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WO2018076178A1 - 一种测距装置 - Google Patents

一种测距装置 Download PDF

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Publication number
WO2018076178A1
WO2018076178A1 PCT/CN2016/103242 CN2016103242W WO2018076178A1 WO 2018076178 A1 WO2018076178 A1 WO 2018076178A1 CN 2016103242 W CN2016103242 W CN 2016103242W WO 2018076178 A1 WO2018076178 A1 WO 2018076178A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
distance measuring
casing
tape
measuring device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/103242
Other languages
English (en)
French (fr)
Inventor
李跃明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Great Star Tools Co Ltd
Hangzhou Great Star Industrial Co Ltd
Original Assignee
Hangzhou Great Star Tools Co Ltd
Hangzhou Great Star Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to RU2019112427A priority Critical patent/RU2730878C1/ru
Priority to CA3041368A priority patent/CA3041368C/en
Priority to JP2019522486A priority patent/JP2019533162A/ja
Priority to PCT/CN2016/103242 priority patent/WO2018076178A1/zh
Priority to US16/334,648 priority patent/US11156444B2/en
Priority to AU2016427468A priority patent/AU2016427468B2/en
Application filed by Hangzhou Great Star Tools Co Ltd, Hangzhou Great Star Industrial Co Ltd filed Critical Hangzhou Great Star Tools Co Ltd
Priority to EP16919886.8A priority patent/EP3483551B1/en
Publication of WO2018076178A1 publication Critical patent/WO2018076178A1/zh
Anticipated expiration legal-status Critical
Priority to JP2021105032A priority patent/JP2021144059A/ja
Priority to US18/133,823 priority patent/US12392900B2/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/10—Measuring tapes
    • G01B3/1041—Measuring tapes characterised by casings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/10—Measuring tapes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/10—Measuring tapes
    • G01B3/1084—Tapes combined with arrangements for functions other than measuring lengths
    • G01B3/1092—Tapes combined with arrangements for functions other than measuring lengths for performing length measurements and at least one other measurement of a different nature, e.g. bubble-type level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only

Definitions

  • the present invention relates to the field of ranging tools, and in particular to a distance measuring device.
  • Tape measure and laser range finder are common surveying tools, which can be applied in the fields of building construction, interior decoration, traffic accident handling and so on.
  • the tape measure needs to make the ruler end and the measuring end of the tape tape horizontally correspond to the initial end and the end of the object to be measured, so that the measuring staff needs to use the hand or other auxiliary device to make the tape tape and the measured device.
  • the object remains attached.
  • ordinary tape measures are inconvenient to operate and have low measurement accuracy. For example, in the field of dangerous section measurement, the utility of a common tape measure is relatively poor.
  • the application scene is limited by the length of the tape measure, and the range is limited. It can only be used in occasions with small space and cannot be used in places with large space.
  • the range of ordinary tape measure is generally about 5 meters, 7.5 meters or 10 meters; some special tape measures can even reach 15 meters or 20 meters.
  • the prior art laser range finder has high measurement accuracy, it is bulky, high in cost, and inconvenient to carry and use; some portable laser range finder is small in size and easy to carry, but after long time use, its Both the light-emitting surface of the laser source and the light-receiving surface of the light-sensing device are subject to large wear, thereby affecting light feedback sensitivity and ranging accuracy. Moreover, the laser range finder has a large error in short distance ranging, and is limited in the field of interior decoration and the like, and it is difficult to promote the application on a large scale.
  • the object of the present invention is to provide a distance measuring device, which solves the technical problems of the prior art tape measure, such as inconvenient operation, low measurement accuracy, and inconvenient carrying, in a specific occasion.
  • the present invention provides a distance measuring device comprising a housing and a laser distance measuring device; the laser distance measuring device is disposed inside the housing and/or an outer surface thereof.
  • the laser ranging device includes a laser generating device, a photoelectric conversion device, a circuit board, and a power source.
  • the laser generating device is configured to emit a measuring beam to the object to be tested; the object to be tested reflects the measuring beam to generate reflected light; and the photoelectric conversion device is configured to capture all or part of the reflected light, and the captured reflected light
  • the optical signal is converted into at least one feedback electrical signal; the power source is coupled to the laser generating device, the photoelectric conversion device, and the circuit board.
  • At least one processor is disposed on the circuit board; the processor is coupled to the laser generating device for controlling the laser generating device; the processor is coupled to the photoelectric conversion device for acquiring the The electrical signal is fed back and the distance between the object to be tested and the distance measuring device is calculated.
  • the laser generating device includes a light emitting surface; the photoelectric conversion device includes a light receiving surface disposed beside the light emitting surface; and the light emitting surface is disposed side by side or above and below the outer surface of the casing.
  • the laser generating device includes a light emitting surface; the photoelectric conversion device includes a light receiving surface disposed beside the light emitting surface; and the outer surface of the casing is provided with a laser beam emitting port facing the light emitting surface and a front facing a light receiving hole disposed on the light receiving surface and disposed adjacent to the laser beam emitting port; the laser beam emitting port is disposed side by side or above and below the light receiving hole; and the light emitting surface emits the light through the laser beam emitting port Measuring a light beam; the light receiving surface capturing the reflected light through the light receiving hole.
  • a center point of the light receiving surface is located on a same line as a center point of the light emitting surface; and an area of the light receiving surface is 3 to 10 times an area of the light emitting surface.
  • the distance measuring device further includes a tape measure structure disposed in the housing.
  • the laser generating device and the photoelectric conversion device are both located above or below the tape measure structure; and the power source is disposed on the left side or the right side of the tape measure structure.
  • the power source and the laser generating device and the photoelectric conversion device are both located in front of or behind the tape measure structure; the laser generating device and the photoelectric conversion device are both located above or below the power source or Left or right.
  • the power source is located in front of or behind the tape measure structure; the laser generating device and the photoelectric conversion device are located on the left or right side of the tape measure structure.
  • circuit board is horizontally disposed above the tape measure structure; or is disposed vertically on the left or right side of the tape measure structure.
  • the tape measure structure includes a tape wheel, a tape, an exit tape, a pressure block, and a lock key.
  • the tape wheel is disposed in the casing; the tape is fully or partially wound on the tape wheel; one end of the tape is fixedly connected to the winding gear, and the other end is provided with a ruler end;
  • the tape exit opening is disposed at a lower end of the outer side wall of the casing, and the ruled end portion protrudes outside the casing through the outlet opening;
  • the pressing block is disposed in the casing near the outlet port Wherein the tape is pressed such that the length of the tape tape outside the casing remains unchanged; the locking key is provided on an outer surface of the casing for controlling the compaction of the compactor or Relax the ruler.
  • the distance measuring device further includes a second tape measure structure disposed in the second housing; the second housing is detachably connected to the housing.
  • the housing is L-shaped; the housing includes a horizontal portion and a vertical portion; a horizontal portion is located at an upper portion of the housing; a vertical portion is located at a lower portion of the housing; wherein the second housing Removably connected to the lower left of the housing.
  • the housing includes at least one first card slot, the first card slot is recessed on a left side surface of the vertical portion of the housing; the second housing includes at least one first card strip, first The clip protrudes from a right side surface of the second housing; when the second housing is coupled to the housing, the first clip is engaged to the first card slot.
  • the housing includes at least one connecting member, each connecting member protrudes downwardly from a bottom surface of the horizontal portion of the housing; the connecting member is adjacent to a left side surface of the housing; each connecting member is provided with a A nut in the horizontal direction, the nut facing the left side of the housing.
  • the second housing includes at least one connecting through hole, at least one screw hole, and at least one screw, each connecting through hole vertically penetrating the top surface of the second housing; the position thereof is opposite to the position of the connecting member Correspondingly; the screw hole horizontally runs through the left side surface of the second housing.
  • each nut corresponds to a screw hole, and the corresponding nut and screw hole are located on the same straight line; each screw Secure through a screw hole on the nut corresponding to the screw hole.
  • the second tape measure structure includes a second tape wheel, a second tape, a second tape outlet, a second pressure block, and a second locking key.
  • the second tape wheel is disposed in the second casing; the second tape is fully or partially wound on the second tape wheel.
  • One end of the second tape is fixedly connected to the second winding gear, and the other end is provided with a second end portion; the second outlet opening is disposed at a lower end of the outer side wall of the second casing, the first The two-foot end protrudes out of the second housing through the second outlet opening.
  • a second pressing block is disposed in the second housing and adjacent to the second outlet opening; for pressing the second tape to make the second tape outside the second housing The length remains unchanged; a second locking button is disposed on the outer surface of the second housing for controlling the second pressing block to press or relax the second tape.
  • the second housing includes a rectangular through hole vertically penetrating the top surface of the second housing and located above the second winding wheel.
  • the housing includes an arcuate recess recessed in the bottom surface of the housing above the rectangular through hole; and when the second housing is coupled to the housing, wound on the second winding wheel An upper portion of the upper second tape passes through the rectangular through hole and is placed in the arcuate groove.
  • the distance measuring device further includes a casing casing, the casing casing is a transverse "concave" shape; and when the second casing is coupled to the casing, the casing casing is wrapped around the casing And an outer surface of the second housing.
  • the housing includes at least one second card slot recessed to a front side and a rear side of the vertical portion of the housing; the housing jacket includes at least one second clip extending from the housing jacket The inner side surface corresponds to the second card slot; when the outer casing is covered on the outer surface of the casing, the second card strip is engaged with the second card slot.
  • the housing casing includes a first outer casing through hole, a second outer casing through hole, a third outer casing through hole, a first outer casing notch, and a second outer casing notch.
  • a first outer cover through hole corresponding to the display device a second outer cover through hole corresponding to the right side of the outer casing, corresponding to the power source; the third outer cover through hole Corresponding to the locking key on the bottom surface of the casing;
  • the first casing notch is disposed on the left side of the upper portion of the casing, correspondingly; the second casing is provided on the left side of the lower portion of the casing surface.
  • the distance measuring device further includes a display device, the display device is connected to the processor, and configured to display a distance between the object to be tested and the distance measuring device.
  • the display device is disposed on an outer surface of the housing, preferably an upper surface, a front surface or a rear surface of the housing.
  • the distance measuring device further comprises an operating device connected to the processor for transmitting at least one control command to the laser ranging device.
  • the operating device includes an operation panel and an operation circuit board, and the operation panel is disposed on an upper surface, a front surface or a rear surface of the housing for inputting at least one control action, and each control action corresponds to a control command;
  • An operation circuit board is disposed under the operation panel, connected to the processor, configured to convert the at least one control action into at least one electrical signal, and send the electrical signal to the processor; each of the electricity The signal corresponds to a control command;
  • the control command includes but is not limited to a start command, a close command, and a store command.
  • the circuit board is provided with a memory, and the memory is connected to the processor; and is configured to store a distance between the object to be tested and the distance measuring device.
  • the laser generating device includes, but is not limited to, a laser tube;
  • the photoelectric conversion device includes, but is not limited to, a photosensor;
  • the power source includes, but is not limited to, a coin cell battery, a rectangular parallelepiped battery, or a cylindrical battery.
  • the invention has the advantages of providing a distance measuring device and effectively improving the existing laser range finder to prolong the service life of the laser range finder, and does not reduce the light of the laser range finder even after a long time of use. Feedback sensitivity and measurement accuracy.
  • the invention combines a tape measure with a laser range finder, and has the functions of short distance ranging and long distance ranging, and has the characteristics of simple operation, convenient carrying, low cost and high measuring precision, and is suitable for building construction, interior decoration and danger. Large-scale promotion and application in the field of zone measurement.
  • Embodiment 1 is a schematic overall structural view of Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural view of the front side of the casing of the embodiment 1 according to the present invention.
  • FIG. 3 is a schematic structural view of the rear side of the casing of the embodiment 1 according to the present invention.
  • FIG. 4 is a schematic structural view of the first embodiment of the present invention after removing a casing
  • FIG. 5 is a structural block diagram of a circuit according to Embodiment 1 of the present invention.
  • Figure 6 is a schematic view showing the overall structure of Embodiment 2 of the present invention.
  • FIG. 7 is a schematic structural view of the front side of the casing of the embodiment 2 of the present invention.
  • FIG. 8 is a schematic structural view showing another angle of the front side of the casing of the embodiment 2 of the present invention.
  • Embodiment 3 of the present invention is a schematic overall structural view of Embodiment 3 of the present invention.
  • FIG. 10 is a schematic structural view of the front side of the casing of the embodiment 3 according to the present invention.
  • FIG. 11 is a schematic structural view showing another angle after the front side of the casing is opened according to Embodiment 3 of the present invention.
  • Embodiment 4 of the present invention is a schematic overall structural view of Embodiment 4 of the present invention.
  • FIG. 13 is a schematic structural view of the front side of the casing of the fourth embodiment of the present invention after being opened;
  • FIG. 14 is a schematic structural view of the fourth embodiment of the present invention after removing the casing.
  • Figure 15 is a schematic view showing the overall structure of Embodiment 5 of the present invention.
  • Figure 16 is a schematic exploded view of Embodiment 5 of the present invention.
  • 17 is a schematic structural view of the rear side of the casing in the embodiment 5 of the present invention.
  • FIG. 18 is a schematic structural view of a lower left side of a casing in Embodiment 5 of the present invention.
  • Figure 19 is a schematic structural view of a second housing in Embodiment 5 of the present invention.
  • FIG. 20 is a schematic structural view of a front side of a second casing opened in Embodiment 5 of the present invention.
  • Figure 21 is a schematic structural view of a casing of a casing according to Embodiment 5 of the present invention.
  • Figure 22 is a structural schematic view showing another angle of the casing of the casing in Embodiment 5 of the present invention.
  • 601 second card strip 602 first jacket through hole, 603 second jacket through hole, 604 third outer casing through hole, 605 first outer casing notch, 606 second outer casing notch.
  • a component When a component is described as “on” another component, the component can be placed directly on the other component; there can also be an intermediate component that is placed on the intermediate component, And the intermediate component is placed on another component.
  • a component When a component is described as “mounted to” or “connected to” another component, it can be understood as either “installing” or “connecting” directly, or a component is “mounted to” or “connected” through an intermediate component. "Another component.
  • Embodiment 1 provides the distance measuring device capable of independently implementing laser ranging, including a housing 1 and a laser ranging device 2; the laser ranging device 2 is disposed inside the housing 1 and / or its outer surface.
  • the casing 1 is an irregular rectangular parallelepiped whose width and height are equal or approximately equal, and its thickness is about 25% to 40% of its width.
  • the housing 1 has six faces, which are a front side 11, a rear side 12, a left side 13, a right side 14, a top surface 15, and a bottom surface 16.
  • the laser distance measuring device 2 includes a laser generating device 21, a photoelectric conversion device 22, a circuit board 23, a display device 24, an operating device 25, and a power source 26.
  • the laser generating device 21 is preferably a laser tube, that is, a glass-sealed CO2 laser, but is not limited to a laser tube, and may be other devices that can generate a laser beam.
  • the photoelectric conversion device 22 is preferably a photosensor, but is not limited to a photosensor, and may be other devices that can capture light and convert the optical signal into an electrical signal.
  • the laser generating device 21 and the photoelectric conversion device 22 may be arranged side by side or may be arranged up and down. In the present embodiment, the laser generating device 21 and the photoelectric conversion device 22 are integrally provided.
  • the laser generating device 21 includes a light emitting surface 211
  • the photoelectric conversion device 22 includes a light receiving surface 221.
  • the light receiving surface 221 is disposed beside the light emitting surface 211 and adjacent to the light emitting surface 211, and may be arranged side by side or vertically.
  • At least one processor 231 is disposed on the circuit board 23.
  • the processor 231 is connected to the laser generating device 21 for controlling the normal operation of the laser generating device 21.
  • the processor 231 is connected to the photoelectric conversion device 22 for acquiring a feedback electrical signal and calculating the distance between the object to be tested and the distance measuring device according to the embodiment.
  • the circuit board 23 may further be provided with a memory 232.
  • the memory 232 is connected to the processor 231 for storing the distance between the object to be tested and the distance measuring device, so that the user can again The reading record is viewed in display device 24.
  • the processor 231 sends a control signal to instruct the laser generating device 21 to emit a laser beam as a measuring beam to the object to be tested; the measuring beam forms a reflection on the surface of the object to be tested, and generates reflected light, which is parallel to the reflected light.
  • a portion of the light of the measuring beam can be captured by the photoelectric conversion device 22 and converted into an electrical signal for feedback to the processor 231.
  • a timer may be disposed inside the processor 231 to record a time point when the laser beam is emitted from the laser generating device 21 and a time point at which the feedback electrical signal is obtained, and the object to be tested and the method may be calculated according to the time difference between the two time points. The distance between the distance measuring devices.
  • the laser beam travels back and forth between the object to be tested and the distance measuring device at a speed of light, and the half of the product of the time difference and the speed of light is the object to be tested and the distance measuring device. The distance to be measured between.
  • the light-emitting surface of the laser generating device and the light-receiving surface of the photoelectric conversion device may be disposed on the outer surface of the casing (such as the left side surface 13 of the casing), and the laser generating device 21 emits a laser beam from the light-emitting surface 211 as a measuring beam.
  • the photoelectric conversion device 22 captures the external reflected light through the light receiving surface 221.
  • the light-emitting surface 211 can be used to help the user to aim at the object to be tested; so that the laser beam can be directly irradiated to the object to be tested, and to ensure the reflection effect, it is preferable to directly irradiate the object to be tested.
  • the upper plane, and try to make the laser beam can be perpendicular to the plane, so that more light can be reflected back to the distance measuring device, making the measurement more accurate.
  • the embodiment further provides the following technical solutions.
  • the housing 1 is provided with a laser beam emitting port 17 and a light receiving hole 18, and the laser beam emitting port 17 faces the light emitting surface 211, and the light receiving hole 18 faces the light receiving surface 221. Since the light-emitting surface 211 and the light-receiving surface 221 are adjacent to each other, the laser beam emitting port 17 and the light-receiving hole 18 are also disposed adjacent to each other. In the present embodiment, the laser beam emitting port 17 and the light receiving hole 18 are both disposed on the left side surface 5 of the casing.
  • the light-emitting surface 211 and the light-receiving surface 221 are completely disposed inside the casing 1 instead of the surface of the casing 1 to protect the light-emitting surface 211 and the light-receiving surface 221 from abrasion, thereby reducing the influence of dust and moisture on the electronic device in the surrounding environment.
  • the service life of the light-emitting surface 211 and the light-receiving surface 221 is further improved, and the light feedback sensitivity and measurement accuracy of the distance measuring device are ensured.
  • the laser generating device 21 emits a laser beam as a measuring beam through the laser beam emitting port 17; the photoelectric converting device 22 captures the external reflected light through the light receiving hole 18. Since the laser beam is always perpendicular to the plane of the laser beam emitting port 17, the laser beam emitting port 17 is used to help the user aim at the object to be tested; so that the laser beam can be directly irradiated to the object to be tested, and to ensure the reflection effect, it is preferable to directly irradiate The plane on the object to be tested, and the laser beam can be irradiated to the plane as much as possible, so that more light can be reflected back to the distance measuring device, which makes the measurement result more accurate.
  • the center point of the light-emitting surface 211 is on the same line as the center point of the light-receiving surface 221, and the closer the distance between the light-emitting surface 211 and the light-receiving surface 221 is, the closer the distance between the light-receiving hole 18 and the laser beam emitting port 17 is.
  • the area of the light receiving surface 221 is 3 to 10 times the area of the light emitting surface 211, and the laser beam can always maintain a straight line when it is emitted, but after the surface of the object to be tested is reflected, if the object to be tested is not a reflection effect A good mirror surface, even if the laser beam can be irradiated on the object to be tested perpendicular to the surface of the object to be tested, it is difficult to ensure the intensity and quantity of light that can be returned to the vicinity of the light-emitting surface 211 after the reflection. Therefore, appropriately increasing the area of the light receiving surface 221 can further improve the measurement accuracy and improve the feedback sensitivity.
  • the laser beam emitting port 17 and the light receiving hole 18 may be arranged side by side or vertically.
  • the laser beam emitting port 17 is slightly larger than the light emitting surface 211, and the light receiving hole 18 is slightly larger than the light receiving surface 221; since the area of the light receiving surface 221 is generally 3 to 10 times the area of the light emitting surface 211, the area of the light receiving hole 18 is also The area of the laser beam emitting port 17 is 3 to 10 times.
  • the display device 24 is preferably disposed on the outer surface of the casing 1 and connected to the processor 231 for displaying the distance between the object to be tested and the distance measuring device.
  • the operating device 25 is disposed on the outer surface of the housing 1 and is coupled to the processor 231 for transmitting at least one control command to the laser ranging device 21.
  • the operation device 25 includes an operation panel 251 and an operation circuit board 252.
  • the operation panel 251 is preferably disposed on the upper surface of the casing 1, or may be disposed on the front surface or the rear surface of the casing 1.
  • the operation panel 251 is configured to input at least one control action, and each control action corresponds to a control command.
  • the operation circuit board 252 is disposed under the operation panel 251 and is connected to the processor 231; the operation circuit board 252 converts the at least one control action into at least one electrical signal, and transmits the electrical signal to the processor 231; each electrical signal Corresponds to a control command.
  • the operation panel 251 is provided with three buttons 253, which respectively correspond to three control commands, that is, a start command, a close command, and a store command, for starting the distance measuring device, turning off the distance measuring device, or storing the object to be tested and ranging.
  • the distance of the device The user operates the operation panel 251, presses a certain button to input a control command, the operation panel 251 simultaneously inputs a control action, and the operation circuit board 252 converts the control command input by the user using the button into an electric signal, according to the pressed
  • the button transmits an electrical signal containing a control command to the processor 231.
  • the operation panel 251 can also be provided with other buttons 253 to input more control commands.
  • the display device 24 and the operating device 25 in the embodiment are preferably disposed on the upper surface of the housing 1 (the outer surface of the top surface 15).
  • the user can see the operation panel 251 as soon as the user looks down, which is convenient for operation.
  • the distance measuring device reads a reading of the distance to be measured.
  • the display device 24 and the operating device 25 can be designed in one piece, that is, using a touch screen, and at the same time, an operation control function and a reading display function are realized. Due to the high cost of the touch screen, this solution is also limited in application.
  • the power source 26 can be a button battery, a rectangular parallelepiped battery or two cylindrical batteries arranged side by side.
  • the button type battery is small in size and small in space, and can effectively reduce the volume of the distance measuring device.
  • the button type battery has a small power, and the user needs to frequently replace the battery, and the use cost is high.
  • the rectangular battery and the cylindrical battery have larger power than the button battery, and the battery replacement is less, which can reduce the use cost, but the volume is large, and it is inconvenient to carry and use.
  • the cuboid battery and the cylindrical battery may all be rechargeable batteries, thereby further reducing the use cost.
  • the embodiment is further provided with a fixed mounting plate (not shown), which can be fixed to the housing 1 by a connecting member such as a screw nut, the laser generating device 21 and the photoelectric conversion device 22 Components such as the circuit board 23, the tape measure structure 3, and the like can be mounted on the fixed mounting board.
  • a connecting member such as a screw nut
  • the laser generating device 21 and the photoelectric conversion device 22 Components such as the circuit board 23, the tape measure structure 3, and the like can be mounted on the fixed mounting board.
  • the technical effect of the first embodiment is to provide a laser ranging device capable of independently implementing the ranging function, which can effectively protect the light emitting surface of the laser generating device and the photoelectric conversion device compared with the conventional laser range finder in the prior art.
  • the light-receiving surface reduces unnecessary wear, has good dustproof and waterproof effect, and effectively prolongs the service life of components, ensuring high light feedback sensitivity and higher measurement accuracy even after long-term use.
  • the distance measuring device described in Embodiment 1 only has a laser ranging function, and is more suitable for long distance ranging, in a scene with a short distance to be measured, for example, when the distance to be measured is less than 1 meter or 2 meters,
  • the laser distance measuring device has a large error and a low measurement accuracy.
  • Embodiment 2 provides another technical solution, including all the technical solutions of Embodiment 1, and the distinguishing feature is that, as shown in FIG. 6-8, the housing 1 is further provided with a tape measure structure 3.
  • the laser distance measuring device 2 and the tape measure structure 3 are simultaneously disposed in the casing 1, which can reduce the gap of the casing and enhance the dustproof and waterproof effect.
  • the tape measure structure 3 includes a tape measure wheel 31, a tape 32, a tape take-up port 33, a press block 34, and a lock key 35.
  • the tape wheel 31 is disposed in the casing 1; the tape 32 is wholly or partially wound on the tape wheel 31; one end of the tape 32 is fixedly coupled to the winding gear 31, and the other end is provided with a ruler end portion 36.
  • the tape opening 33 is disposed at a lower end of the outer side wall of the casing 1, and the ruler end portion 36 protrudes out of the casing 1 through the tape outlet 33;
  • the pressing block 34 is disposed in the casing 1 and adjacent to the tape opening 33, when the tape When the 32 is pulled out of the casing 1, the pressing block 34 can be used to press the tape 32 so that the length of the tape 32 outside the casing 1 remains unchanged;
  • the locking key 35 is provided on the outer surface of the casing 1 for control
  • the pressure block 34 compresses or loosens the tape 33.
  • the tape measure structure 3 can also be any tape measure of the prior art.
  • the tape measure structure 3 uses the ruler end portion 36 to pull the tape 32 out of the housing 1 for measurement.
  • the lock button 35 is required to be pressed, and the clamp 34 therein presses the tape 32 so that the length of the tape 32 outside the casing 1 remains unchanged, so that the length indication on the tape 32 can be read.
  • the lock button 35 is a button provided on the bottom surface 16 of the housing 1.
  • the pressure block 34 presses the tape 32; after reading the length value, after pressing again, the pressure block 34 is relaxed.
  • the belt 32 is retracted to the inside of the casing 1 after the length indication is read.
  • the tape measure structure 3 is preferably as follows.
  • the width of the tape 32 is less than or equal to 2 cm, preferably 1 cm; the length of the tape 32 is less than or equal to 2 meters, which effectively reduces the volume of the tape 32 wound around the tape wheel 31.
  • the space occupied by the tape 32 in the distance measuring device is reduced, and the width of the distance measuring device is reduced.
  • the measurement accuracy thereof is relatively high, so that the tape length of the tape measure reaches 2 meters, so that the embodiment is applicable to each Kind of scene.
  • the circuit board 23 is located above the tape measure structure 3, near the top of the casing 1, to prevent the circuit board from being pressed by other components in the tape measure structure 3, and to prevent damage to various components on the circuit board 23 due to being pressed.
  • the laser generating device 21 and the photoelectric conversion device 22 are all located above the tape measure structure 3; the laser generating device 21 and the photoelectric conversion device 22 are arranged side by side, thereby appropriately increasing the overall measuring device. height. If the laser generating device 21 and the photoelectric conversion device 22 are placed up and down, the height of the distance measuring device is too large and the carrying is inconvenient.
  • the laser generating device 21 and the photoelectric conversion device 22 may also be located below the tape measure structure 3, and will not be described herein.
  • the power source 26 is preferably a two-cell battery or a rectangular parallelepiped battery having a thickness smaller than that of the housing 1, and is disposed on the left or right side of the tape measure structure 3 in an upright or oblique manner, thereby appropriately increasing the distance measurement.
  • the overall width of the device If the cylindrical battery is placed above or below the tape measure structure 3, the overall height of the distance measuring device is further increased, so that the shape of the distance measuring device is uncoordinated, and it is inconvenient to carry and use.
  • the front side 11 of the casing 1 is further provided with a clip 7 which can be clamped by the user with the clip 7 on the belt between the waists for carrying.
  • the technical effect of the second embodiment is to provide a distance measuring device, which has the laser range finder and the tape measure structure disposed in the same casing, so that the distance measuring device has the functions of long distance ranging and short distance ranging; Enhanced dust and water resistance.
  • the thickness of the distance measuring device of the embodiment 2 is similar to that of the ordinary tape measure, and is convenient for the hand to hold, which is convenient for the user to operate and use at work.
  • the distance measuring device described in Embodiment 2 increases the height and width of the distance measuring device to a certain extent, so that the measuring device has a large occupied area and is inconvenient for the user to carry.
  • Embodiment 3 provides another technical solution.
  • Embodiment 3 includes most of the technical solutions of Embodiment 3.
  • the distinguishing feature is that, as shown in FIG. 9-11, the power source 26 and the laser generating device 21 and the photoelectric conversion device are provided. 22 is simultaneously located in front of the tape measure structure 3; the thickness of the distance measuring device is increased to some extent, and the height and width of the distance measuring device are effectively reduced.
  • Embodiment 3 Another difference between Embodiment 3 and Embodiment 2 is that, as shown in FIGS. 10-11, the laser generating device 21 and the photoelectric conversion device 22 are located under the power source 26, and the power source 26 is a cylindrical battery or a rectangular parallelepiped battery, and the thickness thereof is relatively thin. Small, so that the thickness of the distance measuring device is not too large. Similarly, alternatively, the laser generating device 21 and the photoelectric conversion device 22 may be located above the power source 26.
  • Another distinguishing feature of the third embodiment and the second embodiment is that, as shown in FIGS. 10-11, the laser generating device 21 and the photoelectric conversion device 22 are disposed above and below, and the laser generating device 21 is located directly below the photoelectric conversion device 22, thereby appropriately increasing
  • the overall thickness of the distance measuring device is such that the thickness of the distance measuring device is not too large. If the laser generating device 21 and the photoelectric conversion device 22 are arranged side by side, the thickness of the distance measuring device is too large, the hand is difficult to hold, and the operation is inconvenient.
  • the power source 26 and the laser generating device 21 and the photoelectric conversion device 22 may be located behind the tape measure structure 3 at the same time.
  • the principle is similar to that in the previous case, and will not be described herein.
  • the lock key 35 is a slide key provided on the left side surface 13 or the right side surface 14 of the casing 1, and the front and rear slide lock keys 35 can realize the pressing tape 32 or the loose tape 32.
  • the lock key 35 may also be a button provided in the bottom surface 16 of the casing 1 in the second embodiment.
  • the display device 24 and the operating device 25 in the embodiment are preferably disposed on the upper surface of the casing 1 (the outer surface of the top surface 15), and the user can operate the distance measuring device as soon as the user lowers the head. And read the reading of the distance to be measured. Since the thickness of the distance measuring device of Embodiment 1 is larger than that of the distance measuring device of Embodiment 2, the display device 24 can also be wider and larger, and the font display is larger and clearer, and further improved. User experience of the reading process.
  • the technical effect of the third embodiment is to provide a distance measuring device, so that the distance measuring device has the functions of long distance ranging and short distance ranging; the laser range finder and the tape measure structure are disposed in the same casing, and further reduced.
  • the overall volume, height and width of the small product; the height and width of the distance measuring device of the embodiment 3 are similar to those of the ordinary tape measure, so that the user is more convenient to carry and convenient for the user to operate and use at work.
  • the distance measuring device described in Embodiment 2 increases the height and width of the distance measuring device to a certain extent, so that the measuring device has a large occupied area and is inconvenient for the user to carry.
  • the distance measuring device described in Embodiment 3 increases the thickness of the distance measuring device to a certain extent, and the user holds it in the hand when using it, which is inconvenient to operate.
  • Embodiment 4 provides another technical solution.
  • Embodiment 4 includes most of the technical solutions of Embodiment 3, and the distinguishing feature is that, as shown in FIGS. 12-14, the power source 26 is located behind the tape measure structure 3 to reduce The height or width of the small distance measuring device.
  • Embodiment 4 and Embodiment 3 Another distinguishing feature of Embodiment 4 and Embodiment 3 is that, as shown in FIGS. 13-14, the laser generating device 21 and the photoelectric conversion device 22 Located on the left side of the tape measure structure 3; the power source 26 is a cylindrical battery or a rectangular parallelepiped battery having a small diameter, and the thickness thereof is small, so that the thickness of the distance measuring device is not too large.
  • circuit board 23 and the display device 24 are vertically disposed on the left side of the tape measure structure 3; the laser generating device 21 and the photoelectric conversion device 22 is located behind the circuit board 23 and the display device 24 is located in front of the circuit board 23.
  • the display panel in the display device 24 and the operation panel 251 of the operation device 25 are provided on the front surface of the casing 1 (the outer surface of the front side surface 11). Since the areas of the front side 11 and the rear side 12 of the display device are relatively large, the buttons of the display device 24 and the buttons of the operating device 25 can also be set larger, which makes the operation more convenient and the display more clear.
  • the vertical arrangement of the circuit board 23 and the display device 24 can save more space and reduce the width of the distance measuring device.
  • the laser generating device 21 and the photoelectric conversion device 22 are disposed above and below, and the laser generating device 21 is located directly below the photoelectric conversion device 22, thereby limiting the thickness of the entire measuring device. If the laser generating device 21 and the photoelectric conversion device 22 are arranged side by side, the thickness of the distance measuring device is too large, the hand is difficult to hold, and the operation is inconvenient.
  • the power source 26 can also be located in front of the tape measure structure 3.
  • the laser generating device 21 and the photoelectric conversion device 22 can also be located on the right side of the power source 26.
  • the circuit board 23 and the display device 24 can also be vertically disposed on the tape measure.
  • the display panel in the display device 24 and the operation panel 215 of the operation device 25 may also be disposed on the rear surface of the casing 1 (the outer surface of the rear side surface 12).
  • the technical effect of the fourth embodiment is to provide a distance measuring device, which has the functions of long distance ranging and short distance ranging; and the laser range finder and the tape measure structure are disposed in the same casing to further reduce the overall product.
  • the height and the thickness of the distance measuring device of the embodiment 4 can be smaller than that of the ordinary tape measure, so that the user can carry it more conveniently; the display device and the operating device of the distance measuring device of the embodiment 4 are relatively large, and are convenient for the user. Operate it and read the readings.
  • the laser distance measuring device and the tape measure structure are disposed in the same casing, and the volume thereof is obviously larger than that of the ordinary tape measure, and the occupied space is large, and the carrying is inconvenient to a certain extent.
  • the volume thereof is obviously larger than that of the ordinary tape measure, and the occupied space is large, and the carrying is inconvenient to a certain extent.
  • the assembly line is relatively long, the process is difficult, and the production efficiency is low.
  • the embodiment 5 provides another technical solution.
  • the embodiment 5 includes all the technical solutions of the first embodiment, and the technical feature is that, as shown in FIG. 15-16, the embodiment may further include a second housing.
  • the second tape measure structure 5 in the fourth housing 4 is detachably connected to the housing 1.
  • the connecting portions of the second casing 4 and the casing 1 may be respectively provided with connecting devices corresponding to each other, for example, a plurality of bayonet ports are designed on one side of the casing 1 , and a plurality of corresponding openings are designed on one side of the second casing 4 .
  • the buckle of the bayonet; after the two are engaged with each other, it can be fixed into one body, and can have the functions of short distance measurement and long distance measurement at the same time.
  • the second casing 4 and the casing 1 may be connected up and down, left and right, or front and rear.
  • the second tape measure structure 5 includes a second tape wheel 51, a second tape 52, a second tape opening 53, a second pressure block 54, and a second locking key 55.
  • the second tape wheel 51 is disposed in the second casing 4; the second tape 52 is wholly or partially wound on the second tape wheel 51; one end of the second tape 52 is fixedly coupled to the second winding gear 51, and the other A second end portion 56 is provided at one end.
  • the second tape opening 53 is disposed at a lower end of the outer side wall of the second casing 4, and the second tape end portion 56 extends out of the second casing 4 through the second tape opening 53;
  • the second pressing block 54 is disposed on the second casing In the body 4 and near the second outlet opening 53, when the second tape 52 is pulled out from the second casing 4, the second pressing block 54 can be used to press the second tape 52 so that the second tape
  • the length of the outer portion of the second housing 4 remains unchanged;
  • the second locking key 55 is provided on the outer surface of the second housing 4 for controlling the second pressing block 54 to press or loosen the second tape 53.
  • the inside of the second tape measure structure 5 may be any one of the prior art tape measures.
  • the second tape measure structure 5 is in operation, and the second ruler 52 is pulled out from the second casing 4 by the second ruler end portion 56 to complete the measurement.
  • the second lock button needs to be pressed or toggled. 55, the second pressing block 54 therein presses the second tape 52 so that the length of the second tape 52 outside the second casing 4 remains unchanged, thereby facilitating reading of the length on the second tape 52 number.
  • the second locking button 55 can be a sliding button disposed on the left side or the right side of the second casing 4, and the second tape 52 can be pressed or the second tape 52 can be relaxed by sliding back and forth.
  • the second locking button 55 can also be a button (not shown) provided on the bottom surface of the second casing 4. After the initial pressing, the second pressing block 54 presses the second tape 52; after reading the length indication, After pressing again, the second pressure block 54 relaxes the second tape 52.
  • the front side of the second casing 4 is further provided with a clip 7 which can be clamped by the user with the clip 7 on the belt between the waists for carrying.
  • the housing 1 is an approximately inverted L-shape, similar to a " ⁇ " shape, and the front side 11 and the rear side 12 of the housing 1 are approximately inverted L-shaped.
  • the housing 1 includes a horizontal portion 101 and a vertical portion 102.
  • the horizontal portion 101 is horizontally disposed at an upper portion of the housing 1; the vertical portion 102 is located at a lower portion of the housing 1; and the upper end of the vertical portion 102 is a right end of the horizontal portion 101;
  • 1 is an inverted L shape, and there is a space in the lower left side thereof, which can accommodate the second casing 4, and the second casing 4 is detachably connected to the lower left side of the casing 1.
  • the housing 1 includes at least one first card slot 103, the first card slot 103 is recessed on the left side of the vertical portion 102 of the housing 1; the second housing 4 includes at least one first card strip 401, the first card The strip 401 protrudes from the right side surface of the second housing 4; when the second housing 4 is coupled to the housing 1, the first clip 401 is engaged with the first card slot 103.
  • two vertically disposed first card slots 103 and two vertically disposed first card slots 401 are preferred.
  • the first card strip 401 is engaged with the first card slot 103 to serve as a limiting function, so that the second housing 4 and the housing 1 remain relatively fixed.
  • the housing 1 includes at least one connecting member 104, each connecting member 104 projects downwardly from the bottom surface of the horizontal portion 101 of the housing 1; the connecting member 104 is adjacent to the left side surface of the housing 1; each connecting member 104 is provided with a horizontal direction
  • the nut 105 has a nut 105 facing the left side of the housing 1.
  • the second housing 4 includes at least one connecting through hole 402, at least one screw hole 403 and at least one screw 404, each connecting through hole 402 vertically penetrating the top surface of the second housing 4; its position and the position of the connecting member 104 Correspondingly; the screw hole 403 is horizontally penetrated through the left side surface of the second housing 4.
  • each screw The 404 is fixed to the nut 105 corresponding to the screw hole 403 through a screw hole 403.
  • two connecting members 104 are preferred, and two connecting through holes 402 are provided.
  • the second housing 4 includes a rectangular through hole 405 that extends vertically through the top surface of the second housing 4 above the second winding wheel.
  • the housing 1 includes an arcuate recess 106 recessed in the bottom surface of the housing 1 above the rectangular through hole 405.
  • the upper portion of the second tape 52 wound on the second tape wheel 51 passes through the rectangular through hole 405 and is placed in the arcuate groove 106.
  • a tape reel is formed, which has a large volume, and a rectangular through hole 405 and an arcuate groove 106 are provided to minimize the volume of the distance measuring device. It is more convenient to carry and use.
  • the housing 1 and the second housing 4 can be relatively fixed by using only two sets of screws and nuts as connecting members.
  • the advantage is that the disassembly and installation are convenient, and the user can conveniently use the two according to the needs. Disassembly, it is possible to carry or use only a part of it or the assembled whole; the disadvantage is that the housing 1 and the second housing 4 are relatively fixed by only two sets of screws and nuts, and the connection structure is simple and not strong enough and reliable. Once damaged or hit, it may cause damage to the connection structure, so that the two are separated and cannot be connected again.
  • the embodiment further provides the following technical solutions.
  • the distance measuring device of this embodiment may further include a casing outer casing 6 which is a transverse "concave" shape; when the second casing 4 is connected to the casing 1, the casing outer casing 6 Covered on the outer surfaces of the housing 1 and the second housing 4.
  • the casing 6 can be made of a hard material (such as hard plastic, stainless steel, etc.) or an elastic material (such as rubber), so that the combination of the second casing 4 and the casing 1 is more stable, so that the two are not easy to each other. Disengagement can also play a protective role.
  • the housing 1 includes at least one second card slot 107 recessed from the front side and the rear side of the vertical portion 102 of the housing 1.
  • the casing 6 includes at least one second clamping strip 601 protruding from the inner side of the casing 1 and corresponding to the second slot 107; when the casing 6 is covered by the casing When the outer surface is 1 , the second card 601 is engaged with the second card slot 107 such that the housing 1 and the casing 6 are relatively fixed.
  • the housing 1 and the housing sleeve 6 are respectively provided with a plurality of corresponding screw holes (not shown). After the housing jacket 6 is wrapped around the outer surface of the housing 1, the housing jacket 6 and the housing can be replaced by a plurality of screws. 1 is fixed together so that the second housing 4 and the housing 1 are not easily detached from each other, so that the combination of the two is more stable.
  • Such a structure can better protect the casing 1 and the casing casing 6 due to the large number of fasteners, but the disassembly is inconvenient, and it is generally not recommended for the user to separate the casing 1 and the second casing 4.
  • the casing 6 includes a first outer casing through hole 602, a second outer casing through hole 603, a third outer casing through hole 604, a first outer casing notch 605, and a second outer casing notch 606.
  • the first outer cover through hole 602 penetrates through the top surface of the casing 6 to correspond to the display device 24 and the operating device 25, whereby the user can perform control operations and data reading.
  • the second outer cover through hole 603 penetrates the right side surface of the casing 6 and corresponds to the power source 26.
  • the power source 26 is exposed at the outer wall of the casing 1 as a cover of the battery case, and the user can thereby perform battery replacement.
  • the third outer cover through hole 604 passes through the bottom surface of the outer casing 6 corresponding to the second locking key 55, and the user can thereby perform the tape locking.
  • the first jacket notch 605 is disposed on the left side of the upper portion of the casing 6 to correspond to the laser generating device 21 and the photoelectric conversion device 22; the second casing notch 606 is disposed on the left side of the lower portion of the casing 6 for corresponding second The belt opening 53; thereby ensuring that the housing casing 6 does not interfere with the normal operation and use of the laser distance measuring device and the tape measure structure.
  • Embodiment 5 The technical effect of Embodiment 5 is to provide a distance measuring device, which comprises a detachable laser distance measuring device and a tape measure structure, both of which can be operated independently, and the user can separate or combine the two as needed. Come to bring or use. When the two are fixed to each other, they can be applied to both long distance ranging and short distance ranging.
  • the distance measuring device described in Embodiment 5 designs the product into two modules of a laser distance measuring device and a tape measure structure, which can be separately assembled and assembled into a whole. Such a modular design can effectively improve the production efficiency of the product.

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  • Radar, Positioning & Navigation (AREA)
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  • Measurement Of Optical Distance (AREA)
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Abstract

一种测距装置，包括壳体（1）及激光测距装置（2），激光测距装置（2）设于壳体（1）内部或其外表面。测距装置将卷尺与激光测距仪相结合，同时具备短距离测距和长距离测距功能，具有操作简单、携带方便、成本低廉、测量精度高等特点，适于在建筑施工、室内装潢、危险地带测量等领域大规模推广应用。

Description

一种测距装置
技术领域
本发明涉及测距工具领域，具体涉及一种测距装置。
背景技术
卷尺和激光测距仪都是一种常见的测距工具，可应用于建筑施工、室内装潢、交通事故处理等领域。现有技术的卷尺，在使用中需要使尺带的尺端部、测量末端与被测物体的初始端、末端一一水平对应，因此需要测量人员用手或其他辅助装置使得尺带与被测物体保持贴合。在某些特定场合下，普通卷尺操作不便、测量精度较低。例如在危险地段测量领域，普通卷尺的实用性就比较差。
再如在建筑施工领域中，经常需要用到卷尺在地面测量高空横向物体长度或者与某垂直参照物的距离。由于卷尺无具体附着点，只能依靠人自身的目光隔空进行测量起始或者终点的判断，因此测量数值的误差较大、测量精度较差，错误的数值会对接下来的施工工作造成不利影响。如果想用卷尺得到更为精确的高处测量数据，需要测量人员搭设架子或高梯爬到高处，使卷尺依附在所测物体上才能完成测量。如果被测物体长度较大，需要两个以上的工人共同爬到高处才能完成测量过程，操作麻烦、人力成本较高，而且测量人员爬到高处存在一定的跌落风险，危险性较大。
此外，由于卷尺的尺带长度有限，其应用场景受到卷尺长度的限制，量程比较有限，只能用于空间较小的场合，不能用于空间较大的场合。普通卷尺的量程，一般在5米、7.5米或10米左右；有些特制的卷尺，量程甚至可以达到15米或20米。然而，卷尺的量程越大，其体积也越大，因此测量人员携带和使用不便。
现有技术的激光测距仪虽然测量精度较高，但体积较大、成本较高、携带和使用不便；有些便携式激光测距仪虽然体积较小，便于携带，但是在长时间使用后，其激光源的发光面和光感器件的受光面都会受到较大磨损，从而影响光线反馈灵敏度和测距精度。而且，激光测距仪在短距离测距时误差较大，在室内装潢等领域受限制较大，难以大规模推广应用。
发明内容
本发明的目的在于提供一种测距装置，解决现有技术的卷尺在特定场合下，操作不便、测量精度低、携带不便等技术问题。
为解决上述技术问题，本发明提供一种测距装置，包括壳体及激光测距装置；所述激光测距装置设于所述壳体内部和/或其外表面。所述激光测距装置包括激光发生装置、光电转换装置、电路板及电源。所述激光发生装置用于发射测量光束至待测物；所述待测物反射所述测量光束，生成反射光线；光电转换装置用于捕获全部或部分所述反射光线，将捕获到的反射光线的光信号转换为至少一个反馈电信号；所述电源连接至所述激光发生装置、所述光电转换装置及所述电路板。所述电路板上设有至少一个处理器；所述处理器连接至所述激光发生装置，用于控制所述激光发生装置；所述处理器连接至所述光电转换装置，用于获取所述反馈电信号，并计算所述待测物与所述测距装置的距离。
进一步地，所述激光发生装置包括发光面；所述光电转换装置包括设于所述发光面旁的受光面；所述发光面与所述受光面并排设置或上下设置于所述壳体外表面。或者，所述激光发生装置包括发光面；所述光电转换装置包括设于所述发光面旁的受光面；所述壳体外表面设有正对所述发光面的激光束发射口以及正对所述受光面且设于所述激光束发射口旁的光线接收孔；所述激光束发射口与所述光线接收孔并排设置或上下设置；所述发光面通过所述激光束发射口发射所述测量光束；所述受光面通过所述光线接收孔捕获所述反射光线。
进一步地，所述受光面的中心点与所述发光面的中心点位于同一直线上；所述受光面的面积为所述发光面的面积的3~10倍。
进一步地，所述测距装置还包括设于所述壳体内的卷尺结构。
进一步地，所述激光发生装置、所述光电转换装置皆位于所述卷尺结构的上方或下方；所述电源设于所述卷尺结构的左侧或右侧。
进一步地，所述电源与所述激光发生装置、所述光电转换装置皆位于所述卷尺结构的前面或后面；所述激光发生装置、所述光电转换装置皆位于所述电源的上方或下方或左侧或右侧。
进一步地，所述电源位于所述卷尺结构的前面或后面；所述激光发生装置、所述光电转换装置位于所述卷尺结构的左侧或右侧。
进一步地，所述电路板水平设置于所述卷尺结构的上方；或者，竖直设置于所述卷尺结构的左侧或右侧。
进一步地，所述卷尺结构包括卷尺轮、尺带、出带口、压块以及锁定键。所述卷尺轮设于所述壳体内；所述尺带全部或部分卷绕于所述卷尺轮上；所述尺带的一端固定连接至所述卷齿轮，其另一端设有尺端部；所述出带口设于所述壳体外侧壁的下端，所述尺端部通过所述出带口伸出所述壳体外；所述压块设于所述壳体内靠近所述出带口处，用于压紧所述尺带，使得所述尺带在所述壳体外部的长度保持不变；所述锁定键设于所述壳体外表面，用于控制所述压块压紧或放松所述尺带。
进一步地，所述测距装置还包括第二卷尺结构，设于第二壳体内；所述第二壳体可拆卸式连接至所述壳体。
进一步地，所述壳体为L形；所述壳体包括水平部以及竖直部；水平部位于所述壳体上部；竖直部位于所述壳体下部；其中，所述第二壳体可拆卸式连接至所述壳体的左下方。
进一步地，所述壳体包括至少一个第一卡槽，第一卡槽下凹于所述壳体竖直部的左侧面；所述第二壳体包括至少一个第一卡条，第一卡条突出于所述第二壳体的右侧面；当所述第二壳体连接至所述壳体时，所述第一卡条卡合至所述第一卡槽。
进一步地，所述壳体包括至少一个连接件，每一连接件向下突出于所述壳体水平部的底面；所述连接件靠近所述壳体的左侧面；每一连接件设有一水平方向的螺母，所述螺母朝向所述壳体的左侧。所述第二壳体包括至少一个连接通孔、至少一个螺孔以及至少一个螺钉，每一连接通孔竖直贯穿于所述第二壳体顶面；其位置与所述连接件的位置相对应；所述螺孔水平贯穿于所述第二壳体左侧面。当所述第二壳体连接至所述壳体时，所述连接件穿过所述连接通孔；每一个螺母对应一个螺孔，彼此对应的螺母和螺孔位于同一直线上；每一个螺钉穿过一个螺孔固定在对应该螺孔的螺母上。
进一步地，所述第二卷尺结构包括第二卷尺轮、第二尺带、第二出带口、第二压块、第二锁定键。第二卷尺轮设于所述第二壳体内；第二尺带全部或部分卷绕于所述第二卷尺轮上。所述第二尺带的一端固定连接至所述第二卷齿轮，其另一端设有第二尺端部；第二出带口设于所述第二壳体外侧壁的下端，所述第二尺端部通过所述第二出带口伸出所述第二壳体外。第二压块设于所述第二壳体内且靠近所述第二出带口处；用于压紧所述第二尺带，使得所述第二尺带在所述第二壳体外部的长度保持不变；第二锁定键设于所述第二壳体外表面，用于控制所述第二压块压紧或放松所述第二尺带。
进一步地，所述第二壳体包括矩形通孔，竖直贯穿于所述第二壳体顶面，位于所述第二卷尺轮上方。所述壳体包括弓形凹槽，内凹于所述壳体底面，位于所述矩形通孔上方；当所述第二壳体连接至所述壳体时，卷绕于所述第二卷尺轮上的第二尺带的上部穿过所述矩形通孔且置于所述弓形凹槽内。
所述的测距装置还包括壳体外套，壳体外套为横置的“凹”形；当所述第二壳体连接至所述壳体时，所述壳体外套包覆在所述壳体及所述第二壳体的外表面。
所述壳体包括至少一个第二卡槽，下凹于所述壳体竖直部的前侧面和后侧面；所述壳体外套包括至少一个第二卡条，突出于所述壳体外套的内侧面，且对应所述第二卡槽；当所述壳体外套包覆在所述壳体外表面时，所述第二卡条卡合至所述第二卡槽。
所述壳体外套包括第一外套通孔、第二外套通孔、第三外套通孔、第一外套缺口以及第二外套缺口。第一外套通孔贯通于所述壳体外套的顶面，对应所述显示装置；第二外套通孔贯通于所述壳体外套的右侧面，对应所述电源；第三外套通孔贯通于所述壳体外套的底面，对应所述锁定键；第一外套缺口设于所述壳体外套上部的左侧面，对应；第二外套缺口设于所述壳体外套的下部的左侧面。
进一步地，所述测距装置还包括显示装置，所述显示装置连接至所述处理器；用于显示所述待测物与所述测距装置的距离。所述显示装置设于所述壳体外表面，优选所述壳体的上表面、前表面或后表面。
进一步地，所述测距装置还包括操作装置，连接至所述处理器，用于发送至少一个控制指令至所述激光测距装置。所述操作装置包括操作面板及操作电路板，所述操作面板设于所述壳体的上表面、前表面或后表面，用于录入至少一个控制动作，每一个控制动作对应一个控制指令；所述操作电路板设于所述操作面板下方，连接至所述处理器，用于将所述至少一个控制动作转换为至少一个电信号，并发送所述电信号至所述处理器；每一个电信号对应一个控制指令；所述控制指令包括但不限于启动指令、关闭指令、存储指令。
进一步地，所述电路板上设有存储器，所述存储器连接至所述处理器；用于存储所述待测物与所述测距装置的距离。
进一步地，所述激光发生装置包括但不限于激光管；所述光电转换装置包括但不限于光电传感器；所述电源包括但不限于纽扣式电池、长方体电池或圆柱体电池。
本发明的优点在于，提供一种测距装置，对现有激光测距仪作出有效改进，以延长激光测距仪的使用寿命，即使在长时间使用后也不会降低激光测距仪的光线反馈灵敏度和测量精度。本发明将卷尺与激光测距仪相结合，同时具备短距离测距和长距离测距功能，具有操作简单、携带方便、成本低廉、测量精度高等特点，适于在建筑施工、室内装潢、危险地带测量等领域大规模推广应用。
附图说明
图1为本发明实施例1整体结构示意图；
图2为本发明实施例1壳体前侧面打开后的结构示意图；
图3为本发明实施例1壳体后侧面打开后的结构示意图；
图4为本发明实施例1去除壳体后的结构示意图；
图5为本发明实施例1电路的结构框图；
图6为本发明实施例2整体结构示意图；
图7为本发明实施例2壳体前侧面打开后的结构示意图；
图8为本发明实施例2壳体前侧面打开后另一角度的结构示意图；
图9为本发明实施例3整体结构示意图；
图10为本发明实施例3壳体前侧面打开后的结构示意图；
图11为本发明实施例3壳体前侧面打开后另一角度的结构示意图。
图12为本发明实施例4整体结构示意图；
图13为本发明实施例4壳体前侧面打开后的结构示意图；
图14为本发明实施例4去除壳体后的结构示意图。
图15为本发明实施例5整体结构示意图；
图16为本发明实施例5分解结构示意图；
图17为本发明实施例5中的壳体后侧面打开后的结构示意图；
图18为本发明实施例5中的壳体左下侧的结构示意图；
图19为本发明实施例5中第二壳体的结构示意图；
图20为本发明实施例5中第二壳体前侧面打开后的结构示意图；
图21为本发明实施例5中壳体外套的结构示意图；
图22为本发明实施例5中壳体外套另一角度的结构示意图。
图中部件标号如下：
1壳体，2激光测距装置，3卷尺结构，4第二壳体，5第二卷尺结构，6壳体外套，7夹扣；
11前侧面，12后侧面，13左侧面，14右侧面，15顶面，16底面，17激光束发射口，18光线接收孔；
21激光发生装置，22光电转换装置，23电路板，24显示装置，25操作装置，26电源；
31卷尺轮，32尺带，33出带口，34压块，35锁定键，36尺端部；
51第二卷尺轮，52第二尺带，53第二出带口，54第二压块，55第二锁定键，56第二尺端部；
101水平部，102竖直部，103第一卡槽，104连接件，105螺母，106弓形凹槽，107第二卡槽；
211发光面，221受光面，231处理器，232存储器；
251操作面板，252操作电路板，253按键；
401第一卡条，402连接通孔，403螺孔，404螺钉，405矩形通孔；
601第二卡条，602第一外套通孔，603第二外套通孔，604第三外套通孔，605第一外套缺口，606第二外套缺口。
具体实施方式
以下参考说明书附图介绍本发明的五个优选实施例，可以向本领域中的技术人员完整介绍本发明，使其技术内容更加清楚和便于理解。本发明可以通过许多不同形式的实施例来得以体现，本发明的保护范围并非仅限于文中提到的实施例。
在附图中，结构相同的部件以相同数字标号表示，各处结构或功能相似的组件以相似数字标号表示。附图所示的每一组件的尺寸和厚度是任意示出的，本发明并没有限定每个组件的尺寸和厚度。为了使图示更清晰，附图中有些地方适当夸大了部件的厚度。
本发明所提到的方向用语，例如“上”、“下”、“前”、“后”、“左”、“右”、“内”、“外”、“侧面”等，仅是附图中的方向，只是用来解释和说明本发明，而不是用来限定本发明的保护范围。
当某些组件被描述为“在”另一组件“上”时，所述组件可以直接置于所述另一组件上；也可以存在一中间组件，所述组件置于所述中间组件上，且所述中间组件置于另一组件上。当一个组件被描述为“安装至”或“连接至”另一组件时，二者可以理解为直接“安装”或“连接”，或者一个组件通过一中间组件间接“安装至”或“连接至”另一个组件。
实施例1
如图1-3所示，实施例1提供一种可以独立实现激光测距的所述测距装置，包括壳体1及激光测距装置2；激光测距装置2设于壳体1内部和/或其外表面。
如图1所示，壳体1为一个不规则的长方体，其宽度与高度相等或近似相等，其厚度约为其宽度的25%~40%。壳体1有六个面，分别为前侧面11、后侧面12、左侧面13、右侧面14、顶面15、底面16。
如图2、图3所示，激光测距装置2包括激光发生装置21、光电转换装置22、电路板23、显示装置24、操作装置25及电源26。激光发生装置21优选激光管，即玻璃封离式CO2激光器，但并不限于激光管，也可以为其他可以产生激光束的装置。光电转换装置22优选光电传感器，但并不限于光电传感器，也可以为其他可以捕获光线并将光信号转换为电信号的装置。激光发生装置21与光电转换装置22可以为并排设置，也可以为上下设置。本实施例中，激光发生装置21与光电转换装置22一体化设置。
如图4所示，激光发生装置21包括发光面211，光电转换装置22包括受光面221。受光面221设置于发光面211旁边，与发光面211彼此相邻，二者可以为并排设置，也可以为上下设置。
如图5所示，电路板23上设有至少一个处理器231。处理器231连接至激光发生装置21，用于控制激光发生装置21正常工作。处理器231连接至光电转换装置22，用于获取反馈电信号，并计算待测物与本实施例所述测距装置的距离。可选择地，电路板23上还可以设有存储器232，存储器232连接至处理器231，用于存储所述待测物与所述测距装置的距离，以便在用户忘记读数时还可以再次从显示装置24中查看读数记录。
本实施例在工作中，处理器231发出控制信号，命令激光发生装置21发射激光束作为测量光束至待测物；测量光束在待测物表面形成反射，产生反射光线，反射光线中平行于所述测量光束的一部分光线可以被光电转换装置22捕获到，并将其转换为电信号，反馈给处理器231。处理器231内部可以设置一个计时器，记录从激光发生装置21发射激光束的时间点及获得反馈电信号的时间点，根据两个时间点的时间差就可以计算出所述待测物与所述测距装置之间的距离。在这一时间段内，激光束以光速在所述待测物与所述测距装置之间往返行进，所述时间差与光速的乘积的一半即为所述待测物与所述测距装置之间的待测距离。
在本实施例中，激光发生装置的发光面与光电转换装置的受光面可以皆设置于壳体外表面（如壳体左侧面13），激光发生装置21从发光面211发射激光束作为测量光束；光电转换装置22通过受光面221捕获外部的反射光线。由于激光束始终垂直于发光面211所在平面，因此发光面211可以用于帮助用户瞄准待测物；使得激光束可以直接照射至待测物，为保证反射效果，最好直接照射到待测物上的平面，且尽量使激光束可以垂直照射至该平面，这样可以使得更多的光线可以原路反射回测距装置，使得测量结果更加精确。
如果将发光面与受光面设置于壳体外表面，在携带、使用及保管过程中，很容易受到磨损，长期使用后，由于磨损较多，就会降低测距仪的光线反馈灵敏度和测量精度，减少使用寿命。为此，本实施例还提供如下技术方案。
如图1-4所示，壳体1上设有激光束发射口17与光线接收孔18，激光束发射口17正对发光面211，光线接收孔18正对受光面221。由于发光面211与受光面221彼此相邻，激光束发射口17与光线接收孔18也彼此相邻设置。在本实施例中，激光束发射口17与光线接收孔18皆设置于壳体左侧面5上。
发光面211与受光面221完全设置于壳体1内部，而不是壳体1表面，可以保护发光面211与受光面221免受磨损，减少周围环境中灰尘、水份对电子器件的影响。在不影响激光发生装置21、光电转换装置22正常工作的前提下，进一步提高发光面211与受光面221的使用寿命，确保测距装置的光线反馈灵敏度和测量精度。
激光发生装置21通过激光束发射口17发射激光束作为测量光束；光电转换装置22通过光线接收孔18捕获外部的反射光线。由于激光束始终垂直于激光束发射口17所在平面，因此激光束发射口17用于帮助用户瞄准待测物；使得激光束可以直接照射至待测物，为保证反射效果，最好直接照射到待测物上的平面，且尽量使激光束可以垂直照射至该平面，这样可以使得更多的光线可以原路反射回测距装置，使得测量结果更加精确。
本实施例中，发光面211的中心点与受光面221的中心点位于同一直线上，发光面211与受光面221的距离越近，光线接收孔18与激光束发射口17的距离越近，误差越小。理论上说，如果发光面211与受光面221的中心点完全重合，误差最小，但目前很难实现。
一般情况下，受光面221的面积为发光面211面积的3~10倍，由于激光束发射出去时可以一直保持直线行进，但是在待测物表面发生反射之后，如果待测物不是反射效果极好的镜面，即使激光束可以垂直于待测物表面照射在待测物上，也很难保证反射后可以原路返回发光面211附近的光线强度和数量。因此，适当扩大受光面221的面积可以进一步提高测量精度，提高反馈灵敏度。
由于发光面211与受光面221可以为并排设置或上下设置，因此，激光束发射口17与光线接收孔18也可以为并排设置或上下设置。激光束发射口17比发光面211略大，光线接收孔18比受光面221略大；由于受光面221的面积一般为发光面211的面积的3~10倍，光线接收孔18的面积也为激光束发射口17的面积的3~10倍。
本实施例中，显示装置24优选显示屏，设于壳体1外表面且连接至处理器231；用于显示所述待测物与所述测距装置的距离。
本实施例中，操作装置25设于壳体1外表面且连接至处理器231；用于发送至少一个控制指令至激光测距装置21。
操作装置25包括操作面板251及操作电路板252。操作面板251优选设于壳体1的上表面，也可以设于壳体1的前表面或后表面，操作面板251用于录入至少一个控制动作，每一个控制动作对应一个控制指令。操作电路板252设于操作面板251下方，连接至处理器231；操作电路板252将所述至少一个控制动作转换为至少一个电信号，并发送所述电信号至处理器231；每一个电信号对应一个控制指令。 本实施例中，操作面板251设有三个按键253，分别对应三个控制指令，即启动指令、关闭指令、存储指令，用于启动测距装置、关闭测距装置或存储待测物与测距装置的距离。用户对操作面板251进行操作，按下某一个按键以输入一个控制指令，操作面板251同时录入一个控制动作，操作电路板252将用户利用按键输入的控制指令转化为电信号，根据被按下的按键传送一个包含控制指令的电信号至处理器231。操作面板251还可以设有其他按键253，以输入更多的控制指令。
为了便于用户操作和使用，本实施例中的显示装置24、操作装置25优选设于壳体1上表面（顶面15外表面）的技术方案，用户一低头就可以看见操作面板251，便于操作所述测距装置，并读取待测距离的读数。显示装置24与操作装置25可以一体化设计，也即采用触摸屏，同时实现操作控制功能和读数显示功能。由于触摸屏成本较高，这一方案在应用中还受到一定限制。
本实施例中，电源26可以为一个纽扣式电池、一个长方体电池或者两个并列设置的圆柱体电池。纽扣式电池体积较小、占用空间也小，可以有效较小测距装置的体积，但是纽扣式电池电量较小，用户需要频繁更换电池、使用成本较高。长方体电池、圆柱体电池比纽扣式电池的电量更大，电池更换较少，可以降低使用成本，但体积较大，携带使用较为不便。所述长方体电池、所述圆柱体电池皆可以为可充电电池，从而进一步降低使用成本。
本实施例还设有一固定安装板（图未示），可以通过螺丝螺母等连接件固定至壳体1，激光发生装置21、光电转换装置22 、电路板23、卷尺结构3等部件都可以安装在所述固定安装板上。
实施例1的技术效果在于，提供一种可以独立实现测距功能的激光测距装置，与现有技术中普通激光测距仪相比，可以有效保护激光发生装置的发光面与光电转换装置的受光面，减少无谓的磨损，防尘防水效果良好，有效延长部件的使用寿命，即使在长期使用后还能确保较高的光线反馈灵敏度和更高的测量精度。
实施例2
实施例1所述的测距装置，只具备激光测距功能，更适合于长距离测距，在待测距离较短的场景，例如，当待测距离小于1米或2米的情况下，激光测距装置的误差就会很大，测量精度较低。
为此，实施例2提供另一个技术方案，包括实施例1的全部技术方案，其区别技术特征在于，如图6-8所示，壳体1内还设有卷尺结构3。壳体1内同时设置激光测距装置2和卷尺结构3，可以减少壳体的缝隙，增强防尘防水效果。
如图6-8所示，卷尺结构3包括卷尺轮31、尺带32、出带口33、压块34以及锁定键35。卷尺轮31设于壳体1内；尺带32全部或部分卷绕于卷尺轮31上；尺带32的一端固定连接至卷齿轮31，其另一端设有尺端部36。出带口33设于壳体1外侧壁的下端，尺端部36通过出带口33伸出壳体1外；压块34设于壳体1内且靠近出带口33处，当尺带32被从壳体1拉出来时，压块34可用于压紧尺带32，使得尺带32在壳体1外部的长度保持不变；锁定键35设于壳体1外表面，用于控制压块34压紧或放松尺带33。
卷尺结构3也可以为现有技术中的任何一种卷尺。卷尺结构3在工作中，利用尺端部36将尺带32从壳体1内拉出，用以完成测量。测量后，需要按下锁定键35，其内的压块34压紧尺带32，使得尺带32在壳体1外部的长度保持不变，从而得以读到尺带32上的长度示数。本实施例中，锁定键35为设于壳体1底面16的一个按键，初次按下之后，压块34压紧尺带32；读取长度数值后，再次按下之后，压块34放松尺带32，长度示数被读取之后，尺带32收缩至壳体1内部。
卷尺结构3优选如下方案，尺带32的宽度小于或等于2厘米，优选1厘米；尺带32的长度小于或等于2米，有效减小了缠绕在卷尺轮31上的尺带32体积，减小了尺带32在测距装置内占用的空间，减少测距装置的宽度。对于激光发生装置21与光电转换装置22的组合来说，若待测物在2米以上，其测量精度会相对较高，因此卷尺的尺带长度达到2米即可使得本实施例适用于各种场景。
本实施例中，电路板23位于卷尺结构3上方，靠近壳体1的顶部，可以防止电路板被卷尺结构3中的其他部件压迫，防止电路板23上各个部件因被压迫而导致损毁。
如图6-7所示，本实施例中，激光发生装置21、光电转换装置22皆位于卷尺结构3的上方；激光发生装置21与光电转换装置22并排设置，从而适当增加测距装置整体的高度。如果将激光发生装置21与光电转换装置22上下设置，就会导致测距装置高度太大，携带不便。激光发生装置21、光电转换装置22也可以皆位于卷尺结构3的下方，在此不做赘述。
如图7-8所示，电源26优选两个圆柱体电池或长方体电池，其厚度小于壳体1，直立式或斜立式设于卷尺结构3的左侧或右侧，从而适当增加测距装置整体的宽度。如果将圆柱体电池设于卷尺结构3的上方或下方，都会进一步增加测距装置整体的高度，使得测距装置外形不协调，携带和使用都不方便。
如图6所示，壳体1的前侧面11还设有一夹扣7，用户可以利用夹扣7将所述测距装置夹在腰间的皮带上，便于携带。
实施例2的技术效果在于，提供一种测距装置，将激光测距仪和卷尺结构设置于同一个壳体内，使得测距装置同时具备长距离测距和短距离测距的功能；同时有效增强了防尘防水效果。实施例2所述测距装置的厚度与普通卷尺近似，方便人手握持，便于用户在工作中的操作和使用。
实施例3
实施例2所述的测距装置，在一定程度上增加了测距装置的高度和宽度，使得测距装置占用面积较大，用户携带不便。
为此，实施例3提供另一个技术方案，实施例3包括实施例3的大部分技术方案，其区别技术特征在于，如图9-11所示，电源26与激光发生装置21、光电转换装置22同时位于卷尺结构3的前面；在一定程度上增加了测距装置的厚度，有效减小测距装置的高度和宽度。
实施例3与实施例2的另一区别技术特征在于，如图10-11所示，激光发生装置21与光电转换装置22位于电源26下方，电源26为圆柱体电池或长方体电池，其厚度较小，使得测距装置的厚度不会太大。同样道理，可选择地，激光发生装置21与光电转换装置22也可以位于电源26上方。
实施例3与实施例2的另一区别技术特征在于，如图10-11所示，激光发生装置21与光电转换装置22上下设置，激光发生装置21位于光电转换装置22正下方，从而适当增加测距装置整体的厚度，使得测距装置的厚度不会太大。如果激光发生装置21与光电转换装置22并排设置，就会导致测距装置厚度太大，人手难以握持，操作不便。
类似地，电源26与激光发生装置21、光电转换装置22也可以同时位于卷尺结构3的后面，其原理与在前面的情况相近似，在此不做赘述。
如图9、图10所示，锁定键35为设于壳体1左侧面13或右侧面14的一个滑动键，前后滑动锁定键35即可实现压紧尺带32或放松尺带32。锁定键35也可以为实施例2中设于壳体1底面16的一个按键。
为了便于用户操作和使用，本实施例中的显示装置24、操作装置25优选设于壳体1上表面（顶面15外表面）的技术方案，用户一低头就可以操作所述测距装置，并读取待测距离的读数。由于实施例1所述测距装置的厚度比实施例2所述测距装置的厚度变大了一些，因此，显示装置24也可以更宽、更大一些，字体显示更大更清楚，进一步改善读数过程的用户体验。
实施例3的技术效果在于，提供一种测距装置，使得测距装置同时具备长距离测距和短距离测距的功能；将激光测距仪和卷尺结构设置于同一个壳体内，进一步减小产品的整体体积、高度及宽度；实施例3所述测距装置的高度及宽度与普通卷尺近似，使得用户携带更加方便，便于用户在工作中的操作和使用。
实施例4
实施例2所述的测距装置，在一定程度上增加了测距装置的高度和宽度，使得测距装置占用面积较大，用户携带不便。实施例3所述的测距装置，在一定程度上增加了测距装置的厚度，用户使用时将其持在手中，操作使用不便。
为此，实施例4提供另一个技术方案，实施例4包括实施例3的大部分技术方案，其区别技术特征在于，如图12-14所示，电源26位于卷尺结构3的后面，以减小测距装置的高度或宽度。
实施例4与实施例3的另一区别技术特征在于，如图13-14所示，激光发生装置21、光电转换装置22 位于卷尺结构3的左侧；电源26为直径较小的圆柱体电池或长方体电池，其厚度较小，使得测距装置的厚度不会太大。
实施例4与实施例3的另一区别技术特征在于，如图13-14所示，电路板23、显示装置24竖直式设置于卷尺结构3的左侧；激光发生装置21、光电转换装置22位于电路板23的后面，显示装置24位于电路板23的前面。
显示装置24中的显示屏、操作装置25的操作面板251设置于壳体1的前表面（前侧面11的外表面）。由于显示装置的前侧面11、后侧面12的面积相对较大，显示装置24的屏幕、操作装置25的按键也可以设置得更大，使得操作更方便，示数更清楚。电路板23、显示装置24竖直设置可以节省更多空间，减少测距装置的宽度。
激光发生装置21与光电转换装置22上下设置，激光发生装置21位于光电转换装置22正下方，从而限制测距装置整体的厚度。如果激光发生装置21与光电转换装置22并排设置，就会导致测距装置厚度太大，人手难以握持，操作不便。
同理，可选择地，电源26也可以位于卷尺结构3的前面，激光发生装置21与光电转换装置22也可以位于电源26右侧，电路板23、显示装置24也可以竖直式设置于卷尺结构3的右侧。显示装置24中的显示屏、操作装置25的操作面板215也可以设置于壳体1的后表面（后侧面12的外表面）。
实施例4的技术效果在于，提供一种测距装置，同时具备长距离测距和短距离测距的功能；将激光测距仪和卷尺结构设置于同一个壳体内，进一步减小产品的整体体积、高度及厚度；实施例4所述测距装置的高度及厚度可以比普通卷尺更小，使得用户携带更加方便；实施例4所述测距装置的显示装置和操作装置比较大，便于用户对其进行操作和读取示数。
实施例5
在实施例2-4中，将激光测距装置与卷尺结构设置在同一个壳体内，其体积明显要比普通的卷尺大很多，占用空间较大，在一定程度上携带不便。对于用户来说，在一些特殊场合，只需要使用卷尺功能或者激光测距功能即可，没必要使用多功能的激光测距装置。此外，在实施例2-4中，壳体内零部件较多，组装流水线比较长，工艺难度大，生产效率较低。
为此，实施例5提供另一个技术方案，实施例5包括实施例1的全部技术方案，其区别技术特征在于，如图15-16所示，本实施例还可以包括设于第二壳体4内的第二卷尺结构5，第二壳体4可拆卸式连接至壳体1。
第二壳体4与壳体1连接处可以分别设置彼此对应的连接装置，例如，在壳体1的一个侧面上设计多个卡口，在第二壳体4的一个侧面上设计多个对应卡口的卡扣；将二者互相卡合后，即可固定为一体，可以同时具备短距离测量和长距离测量的功能。第二壳体4与壳体1之间可以为上下连接、左右连接或前后连接。
如图19-20所示，第二卷尺结构5包括第二卷尺轮51、第二尺带52、第二出带口53、第二压块54以及第二锁定键55。第二卷尺轮51设于第二壳体4内；第二尺带52全部或部分卷绕于第二卷尺轮51上；第二尺带52的一端固定连接至第二卷齿轮51，其另一端设有第二尺端部56。第二出带口53设于第二壳体4外侧壁的下端，第二尺端部56通过第二出带口53伸出第二壳体4外；第二压块54设于第二壳体4内且靠近第二出带口53处，当第二尺带52被从第二壳体4拉出来时，第二压块54可用于压紧第二尺带52，使得第二尺带52在第二壳体4外部的长度保持不变；第二锁定键55设于第二壳体4外表面，用于控制第二压块54压紧或放松第二尺带53。
第二卷尺结构5内部可以为现有技术中的任何一种卷尺。第二卷尺结构5在工作中，利用第二尺端部56将第二尺带52从第二壳体4内拉出，用以完成测量，测量后，需要按下或拨动第二锁定键55，其内的第二压块54压紧第二尺带52，使得第二尺带52在第二壳体4外部的长度保持不变，从而便于读取第二尺带52上的长度示数。
第二锁定键55可以为设于第二壳体4左侧面或右侧面的一个滑动键，前后滑动即可实现压紧第二尺带52或放松第二尺带52。第二锁定键55也可以为设于第二壳体4底面的一个按键（图未示），初次按下之后，第二压块54压紧第二尺带52；读取长度示数后，再次按下之后，第二压块54放松第二尺带52。
如图16所示，第二壳体4的前侧面还设有一夹扣7，用户可以利用夹扣7将所述测距装置夹在腰间的皮带上，便于携带。
如图16-18所示，在本实施例中，壳体1为近似倒置的L形，类似“┑”形，壳体1的前侧面11、后侧面12近似为倒置的L形。壳体1包括水平部101及竖直部102，水平部101水平设于壳体1上部；竖直部102位于壳体1下部；竖直部102的上端即为水平部101的右端；壳体1为倒置的L形，其左下方存在一定的空间，可以容纳第二壳体4，第二壳体4可拆卸式连接至壳体1的左下方。
壳体1包括至少一个第一卡槽103，第一卡槽103下凹于壳体1的竖直部102的左侧面；第二壳体4包括至少一个第一卡条401，第一卡条401突出于第二壳体4的右侧面；当第二壳体4连接至壳体1时，第一卡条401卡合至第一卡槽103。本实施例中，优选两个竖直设置的第一卡槽103、两个竖直设置的第一卡条401。第二壳体4连接至壳体1的左下方时，第一卡条401卡合至第一卡槽103，起到限位作用，使得第二壳体4与壳体1保持相对固定。
壳体1包括至少一个连接件104，每一连接件104向下突出于壳体1的水平部101的底面；连接件104靠近壳体1的左侧面；每一连接件104设有一水平方向的螺母105，螺母105朝向壳体1的左侧。第二壳体4包括至少一个连接通孔402、至少一个螺孔403以及至少一个螺钉404，每一连接通孔402竖直贯穿于第二壳体4顶面；其位置与连接件104的位置相对应；螺孔403水平贯穿于第二壳体4左侧面。当第二壳体4连接至壳体1时，连接件104穿过连接通孔402；每一个螺母105对应一个螺孔403，彼此对应的螺母105和螺孔403位于同一直线上；每一个螺钉404穿过一个螺孔403固定在对应该螺孔403的螺母105上。本实施例中，优选两个连接件104，两个连接通孔402。第二壳体4连接至壳体1的左下方时，两个连接件104插入至两个连接通孔402，两个螺母105与两个螺孔403相对，两个螺钉404从第二壳体4的左侧面的螺孔403插入至螺母105，使得二者彼此固定。
第二壳体4包括矩形通孔405，竖直贯穿于第二壳体4顶面，位于第二卷尺轮上方。壳体1包括弓形凹槽106，内凹于壳体1底面，位于矩形通孔405上方。当第二壳体4连接至壳体1时，卷绕于第二卷尺轮51上的第二尺带52的上部穿过矩形通孔405且置于弓形凹槽106内。第二尺带52全部卷绕于第二卷尺轮51上时，形成一个尺带盘，其体积较大，设置矩形通孔405、弓形凹槽106，可以尽量减小测距装置体积，使其携带和使用更加方便。
本实施例中，壳体1与第二壳体4可以仅靠两组螺钉和螺母作为连接件将二者相对固定，其优点在于，拆卸及安装方便，用户可以根据需要很方便地将二者拆卸，可以只携带或使用其中的一部分或组装后的整体；其不足之处在于，壳体1与第二壳体4仅靠两组螺钉和螺母保持相对固定，其连接结构简单而不够坚固可靠，一旦受到撞击或摔打就可能造成连接结构的损毁，使得二者分离而不能再次连接。为此，本实施例还提供如下技术方案。
如图15所示，本实施例所述的测距装置还可以包括壳体外套6，其为横置的“凹”形；当第二壳体4连接至壳体1时，壳体外套6包覆在壳体1及第二壳体4的外表面。壳体外套6可以选用硬质材质（如硬质塑料、不锈钢等），也可以选用弹性材质（如橡胶等），使得第二壳体4与壳体1的结合更加稳定，使得二者不易彼此脱离，同时也可以起到保护作用。
如图18所示，壳体1包括至少一个第二卡槽107，下凹于壳体1的竖直部102的前侧面和后侧面。如图21、图22所示，壳体外套6包括至少一个第二卡条601，突出于壳体外套1的内侧面，且对应第二卡槽107；当壳体外套6包覆在壳体1外表面时，第二卡条601卡合至第二卡槽107，使得壳体1与壳体外套6相对固定。
壳体1、壳体外套6分别设有多个彼此相应螺孔（图未示），壳体外套6包覆在壳体1外表面之后，可以利用多个螺钉将壳体外套6与壳体1固定在一起，使得第二壳体4与壳体1不易彼此脱离，使得二者的结合更加稳定。这种结构由于紧固件较多，可以更好地保护壳体1和壳体外套6，但是拆卸不便，一般不建议用户将壳体1和第二壳体4分离使用。
如图21、图22所示，壳体外套6包括第一外套通孔602、第二外套通孔603、第三外套通孔604、第一外套缺口605以及第二外套缺口606。第一外套通孔602贯通于壳体外套6的顶面，对应显示装置24和操作装置25，用户可以由此进行控制操作和数据读取。第二外套通孔603贯通于壳体外套6的右侧面，对应电源26，电源26显露在壳体1外壁处是电池盒的盒盖，用户可以由此进行电池更换。第三外套通孔604贯通于壳体外套6的底面对应第二锁定键55，用户可以由此进行尺带锁定。第一外套缺口605设置于壳体外套6上部的左侧面，对应激光发生装置21及光电转换装置22；第二外套缺口606设置于壳体外套6的下部的左侧面，对应第二出带口53；从而确保壳体外套6不会影响激光测距装置和卷尺结构的正常操作和使用。
实施例5的技术效果在于，提供一种测距装置，包括可以拆卸的激光测距装置和卷尺结构两部分，这两部分都可以独立进行作业，用户可以根据需要将二者分离或组合成一体来携带或使用。当二者彼此固定为一体时，既可以适用于长距离测距，又可以适用于短距离测距。实施例5所述的测距装置将产品设计成激光测距装置和卷尺结构两个模块，可以分别生产后再组装成一个整体，这样的模块化设计可以有效提高产品的生产效率。
以上所述仅是本发明的优选实施例，在不脱离本发明原理的前提下，本技术领域的普通技术人员还可以对上述技术方案做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (27)

  1. 一种测距装置，其特征在于，包括
    壳体；以及
    激光测距装置，设于所述壳体内部和/或其外表面；
    其中，所述激光测距装置包括
    激光发生装置，用于发射测量光束至待测物；所述待测物反射所述测量光束，生成反射光线；
    光电转换装置，用于捕获全部或部分所述反射光线，将捕获到的反射光线的光信号转换为至少一个反馈电信号；
    电路板，所述电路板上设有至少一个处理器；以及
    电源，连接至所述激光发生装置、所述光电转换装置及所述电路板；
    其中，所述处理器连接至所述激光发生装置，用于控制所述激光发生装置；
    所述处理器连接至所述光电转换装置，用于获取所述反馈电信号，并计算所述待测物与所述测距装置的距离。
  2. 如权利要求1所述的测距装置，其特征在于，
    所述激光发生装置包括发光面；
    所述光电转换装置包括受光面，设于所述发光面旁；
    其中，所述发光面与所述受光面并排设置或上下设置于所述壳体外表面。
  3. 如权利要求1所述的测距装置，其特征在于，
    所述激光发生装置包括发光面；
    所述光电转换装置包括受光面，设于所述发光面旁；
    所述壳体外表面设有
    激光束发射口，正对所述发光面；以及
    光线接收孔，正对所述受光面且设于所述激光束发射口旁；
    其中，所述激光束发射口与所述光线接收孔并排设置或上下设置；
    所述发光面通过所述激光束发射口发射所述测量光束；
    所述受光面通过所述光线接收孔捕获所述反射光线。
  4. 如权利要求2或3所述的测距装置，其特征在于，
    所述受光面的中心点与所述发光面的中心点位于同一直线上；
    所述受光面的面积为所述发光面的面积的3~10倍。
  5. 如权利要求1所述的测距装置，其特征在于，还包括
    卷尺结构，设于所述壳体内。
  6. 如权利要求5所述的测距装置，其特征在于，
    所述激光发生装置、所述光电转换装置皆位于所述卷尺结构的上方或下方；
    所述电源设于所述卷尺结构的左侧或右侧。
  7. 如权利要求5所述的测距装置，其特征在于，
    所述电源与所述激光发生装置、所述光电转换装置皆位于所述卷尺结构的前面或后面；
    所述激光发生装置、所述光电转换装置皆位于所述电源的上方或下方或左侧或右侧。
  8. 如权利要求5所述的测距装置，其特征在于，
    所述电源位于所述卷尺结构的前面或后面；
    所述激光发生装置、所述光电转换装置位于所述卷尺结构的左侧或右侧。
  9. 如权利要求5所述的测距装置，其特征在于，
    所述电路板水平设置于所述卷尺结构的上方；或者，竖直设置于所述卷尺结构的左侧或右侧。
  10. 如权利要求5-9中任一项所述的测距装置，其特征在于，所述卷尺结构包括
    卷尺轮，设于所述壳体内；
    尺带，全部或部分卷绕于所述卷尺轮上；所述尺带的一端固定连接至所述卷齿轮，其另一端设有尺端部；以及
    出带口，设于所述壳体外侧壁的下端，所述尺端部通过所述出带口伸出所述壳体外。
  11. 如权利要求10所述的测距装置，其特征在于，所述卷尺结构还包括
    压块，设于所述壳体内且靠近所述出带口处；用于压紧所述尺带，使得所述尺带在所述壳体外部的长度保持不变；以及
    锁定键，设于所述壳体外表面，用于控制所述压块压紧或放松所述尺带。
  12. 如权利要求1所述的测距装置，其特征在于，还包括
    第二卷尺结构，设于第二壳体内；
    所述第二壳体可拆卸式连接至所述壳体。
  13. 如权利要求12所述的测距装置，其特征在于，
    所述壳体为L形；所述壳体包括
    水平部，位于所述壳体上部；以及
    竖直部，位于所述壳体下部；
    其中，所述第二壳体可拆卸式连接至所述壳体的左下方。
  14. 如权利要求13所述的测距装置，其特征在于，
    所述壳体包括
    至少一个第一卡槽，下凹于所述壳体竖直部的左侧面；
    所述第二壳体包括
    至少一个第一卡条，突出于所述第二壳体的右侧面；
    当所述第二壳体连接至所述壳体时，所述第一卡条卡合至所述第一卡槽。
  15. 如权利要求13所述的测距装置，其特征在于，
    所述壳体包括
    至少一个连接件，向下突出于所述壳体水平部的底面；所述连接件靠近所述壳体的左侧面；每一连接件设有一水平方向的螺母，所述螺母朝向所述壳体的左侧；
    所述第二壳体包括
    至少一个连接通孔，竖直贯穿于所述第二壳体顶面；其位置与所述连接件的位置相对应；
    至少一个螺孔，水平贯穿于所述第二壳体左侧面；以及
    至少一个螺钉；
    当所述第二壳体连接至所述壳体时，所述连接件穿过所述连接通孔，每一个螺母对应一个螺孔，彼此对应的螺母和螺孔位于同一直线上；每一个螺钉穿过一个螺孔固定在对应该螺孔的螺母上。
  16. 如权利要求12或13所述的测距装置，其特征在于，所述第二卷尺结构包括
    第二卷尺轮，设于所述第二壳体内；
    第二尺带，全部或部分卷绕于所述第二卷尺轮上；所述第二尺带的一端固定连接至所述第二卷齿轮，其另一端设有第二尺端部；以及
    第二出带口，设于所述第二壳体外侧壁的下端，所述第二尺端部通过所述第二出带口伸出所述第二壳体外。
  17. 如权利要求16所述的测距装置，其特征在于，
    所述第二壳体包括
    矩形通孔，竖直贯穿于所述第二壳体顶面，位于所述第二卷尺轮上方；
    所述壳体包括
    弓形凹槽，内凹于所述壳体底面，位于所述矩形通孔上方；
    当所述第二壳体连接至所述壳体时，卷绕于所述第二卷尺轮上的第二尺带的上部穿过所述矩形通孔且置于所述弓形凹槽内。
  18. 如权利要求16所述的测距装置，其特征在于，所述第二卷尺结构还包括
    第二压块，设于所述第二壳体内且靠近所述第二出带口处；用于压紧所述第二尺带，使得所述第二尺带在所述第二壳体外部的长度保持不变；以及
    第二锁定键，设于所述第二壳体外表面；用于控制所述第二压块压紧或放松所述第二尺带。
  19. 如权利要求12所述的测距装置，其特征在于，还包括
    壳体外套，其为横置的“凹”形；
    当所述第二壳体连接至所述壳体时，所述壳体外套包覆在所述壳体及所述第二壳体的外表面。
  20. 如权利要求12所述的测距装置，其特征在于，还包括
    壳体外套，其为横置的“凹”形；
    当所述第二壳体连接至所述壳体时，所述壳体外套包覆在所述壳体及所述第二壳体的外表面。
  21. 如权利要求20所述的测距装置，其特征在于，所述壳体外套包括
    第一外套通孔，贯通于所述壳体外套的顶面；
    第二外套通孔，贯通于所述壳体外套的右侧面；
    第三外套通孔，贯通于所述壳体外套的底面；
    第一外套缺口，设于所述壳体外套上部的左侧面；以及
    第二外套缺口，设于所述壳体外套下部的左侧面。
  22. 如权利要求1所述的测距装置，其特征在于，所述壳体外表面还包括
    显示装置，连接至所述处理器；用于显示所述待测物与所述测距装置的距离。
  23. 如权利要求22所述的测距装置，其特征在于，
    所述显示装置设于所述壳体的上表面、前表面或后表面。
  24. 如权利要求1所述的测距装置，其特征在于，所述壳体外表面还包括
    操作装置，连接至所述处理器；用于发送至少一个控制指令至所述激光测距装置。
  25. 如权利要求24所述的测距装置，其特征在于，
    所述操作装置包括
    操作面板，设于所述壳体的上表面、前表面或后表面；用于录入至少一个控制动作，每一个控制动作对应一个控制指令；以及
    操作电路板，设于所述操作面板下方，连接至所述处理器；用于将所述至少一个控制动作转换为至少一个电信号，并发送所述电信号至所述处理器；每一个电信号对应一个控制指令；
    其中，所述控制指令包括但不限于启动指令、关闭指令、存储指令。
  26. 如权利要求1所述的测距装置，其特征在于，所述电路板上设有
    存储器，连接至所述处理器；用于存储所述待测物与所述测距装置的距离。
  27. 如权利要求1所述的测距装置，其特征在于，所述激光发生装置包括但不限于激光管；所述光电转换装置包括但不限于光电传感器；所述电源包括但不限于纽扣式电池、长方体电池或圆柱体电池。
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EP3483551B1 (en) 2023-04-05
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