CN106983489B - A kind of eyesight detection lamp box - Google Patents
A kind of eyesight detection lamp box Download PDFInfo
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- CN106983489B CN106983489B CN201710387404.4A CN201710387404A CN106983489B CN 106983489 B CN106983489 B CN 106983489B CN 201710387404 A CN201710387404 A CN 201710387404A CN 106983489 B CN106983489 B CN 106983489B
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- 230000004438 eyesight Effects 0.000 title claims abstract description 64
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 230000000007 visual effect Effects 0.000 claims abstract description 79
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0075—Apparatus for testing the eyes; Instruments for examining the eyes provided with adjusting devices, e.g. operated by control lever
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Abstract
The invention discloses a kind of eyesights to detect lamp box, including mounting bracket, the visual chart box being arranged in mounting bracket that can be slid up and down and the detection device being arranged on external ceiling, detection device is in communication with each other with visual chart box and connect, and by depending on table electricity box adjust to on the position of the height double altitudes of eyesight tester, detection device includes the shell being mounted on external ceiling and the laser range finder for being mounted on housing bottom surface, laser range finder is used to detect the height of people, and export height values, visual chart box can be slided up and down and is connected in mounting bracket, the visual chart box is equipped with the lifting device being in communication with each other with laser range finder, lifting device is used to receive the height values of laser range finder output, and the height according to height values adjustment visual chart box, this Vission detector can according to the height of eyesight tester come The height for adjusting visual chart box is come so that the testing result of the eyesight tester of different heights is more accurate.
Description
Technical field
The present invention relates to Vission detector field, more particularly to a kind of eyesight detects lamp box.
Background technique
When existing eyesight detects, relatively universal method is that a c chart, detected person are fixed on metope
It stands in 5 meters from visual chart remote places, the direction of E word on visual chart is recognized by detected person to examine the view of detected person
Power, but it is existing there is Vission detector to be generally secured on metope, and then cause the detected person of different heights may be
It can look up or overlook when recognizing eyesight sheet icon, testing result accuracy is not high, and in addition existing Vission detector is
Allow the brightness of visual chart it is more uniform it is general fluorescent lamp can be set at visual chart rear, each eyesight tester need when detecting
Optist opens light source and guides eyesight tester station in fixed position, the larger workload of optist, and inconvenient, and
There are optists to forget that the case where closing power supply causes energy waste.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of accuracy it is high can automatic controlled height
Eyesight detects lamp box, can carry out height adjustment to visual chart box according to the height height of detected person.
To achieve the above object, the present invention provides the following technical scheme that a kind of eyesight detects lamp box, including installation branch
Frame, the visual chart box being arranged in mounting bracket that can be slid up and down and the detection device being arranged on external ceiling, institute
State detection device and be in communication with each other with visual chart box and is connect, for the height for the tester that gives a test of one's eyesight, and by depending on table electricity box adjust to
On the position of the height double altitudes of eyesight tester, the detection device include the shell that is mounted on external ceiling and
It is mounted on the laser range finder of housing bottom surface, the laser range finder is used to detect the height of people, and exports height values, described
Visual chart box can be slided up and down and is connected in mounting bracket, which is equipped with the lifting being in communication with each other with laser range finder
Device, the lifting device is used to receive the height values of laser range finder output, and adjusts visual chart box according to height values
Height；
The mounting bracket is fixedly mounted on metope, and the mounting bracket is provided with guide rail, guide rail rear end face setting
There is rack gear, the visual chart box is fixedly installed with the sliding sleeve with rectangular aperture, which is socketed guide rail front end face, the lifting
Device includes servo motor, motor servo driver and comparator, and the downside of the visual chart box is equipped with for giving a test of one's eyesight
Electricity box height and the second rangefinder for exporting height number, the comparator have first input end, the second input terminal and output
End, the laser range finder are coupled to first input end, and second rangefinder is coupled to the second input terminal, the output end with
Motor servo driver coupling, the servo motor are fixedly mounted on sliding sleeve, and the output rod front end of the servo motor is connected with
Gear, the sliding sleeve two sides extend back and have connecting rod, which is equipped with circular hole, and circular hole rotation is socketed in output rod
On gear two sides, wheel and rack engagement, when height values and height number are unequal, output end is output signals to
Motor servo driver, motor servo driver drive servo motor rotation adjustment height number.
It has the advantage that: detection device and visual chart lifting device of this Vission detector by setting detection height
It is in communication with each other linkage, realizes that eyesight detection lamp box can be adjusted height according to the height of tester, so that visual chart box begins
It is maintained on the head-up height of sighting line of tester, so that the testing result of the eyesight tester of different heights is more accurate, leads to eventually
Comparator is crossed to be compared laser range finder height values detected and the second rangefinder height number detected, then by
Comparator and motor servo driver drive servo motor, are connected by servo motor and drive visual chart box along gliding on guide rail
It is dynamic, realize that visual chart box can accurately be moved to the position with tester's equal height, the shift action of visual chart box can
Realize automation, servo motor has that fast response time, precision is high for control, reliable for operation, small in size, small loss and other features, depending on
Power table being capable of fast lifting and steady.
As a further improvement of the present invention, the shell lower end surface is equipped with human body infrared induction module, and the human body is red
For outer induction module for incuding whether detected person enters induction region, the shell lower end surface is provided with projection lamp, the view
LED light is installed, the visual chart box lower end surface is equipped with the second rangefinder, and second rangefinder is for surveying inside power electricity box
Visual chart box is measured at a distance from room bottom surface, the laser range finder, human body infrared induction module, lifting device, LED light, the
Two rangefinders and projection lamp are mutually coupled；When human body infrared induction module senses tester, decision circuitry controls Laser Measuring
Distance meter, the second rangefinder, projection lamp and LED light starting.
It has the advantage that: judging whether eyesight tester reaches detection position by infrared induction module, examined in eyesight
Laser range finder, the second rangefinder, projection lamp and LED light are opened when survey person is located in detection position, while being thrown by setting
Shadow lamp can indicate that people stand on accurate setting position, and laser range finder is effectively given a test of one's eyesight tester
Height, Vission detector intelligence degree is high on the whole, reduces the work of optometry person, improves the accurate of testing result
Degree.
As a further improvement of the present invention, the visual chart box includes lamp box and visual chart, and the lamp box and sliding sleeve are solid
Fixed connection, the lamp box is cylindrical, which is provided with form backwards to the side of metope, and the lamp box inner rotation is connected with transparent
Roller, visual chart bonding is in the outer surface of roller, and lamp box two sides shaft core position is provided with mounting groove, the mounting groove
It is inside fixedly connected with installation axle, on the mounting shaft, the side of the lamp box side is provided with arc groove for the roller rotation socket,
The roller side is provided with handle in corresponding arc groove location, which stretches out arc groove, and the arc groove is equipped with instruction rolling
The graduation mark of cylinder rotation distance, the LED light installation is on the mounting shaft.
It has the advantage that: turning to the E word icon of the every a line of visual chart by the visual chart box of roller type
With eyesight tester's eyesight horizontal position, and its rotational structure is rationally easy to operate.
As a further improvement of the present invention, second rangefinder is laser range sensor or infrared distance sensor
Or ultrasonic distance-measuring sensor.
It has the advantage that: the ray of the second rangefinder will not touch human body, allow the second rangefinder according to not
Same situation, species selectivity are high.
As a further improvement of the present invention, the shell is provided with for installing fixed fixed installation part, this is fixed
Installation part includes top plate, left plate and right side plate, and the left plate and right side plate lower end are extended with support plate, the top plate inwardly
Equipped with the first mounting hole, the left plate is equipped with the second mounting hole, and the right side plate is equipped with third mounting hole, first installation
Hole is equipped with screw and fixed installation part is mounted on wall, and the shell two sides are equipped with connecting hole, the connecting hole and the
Two mounting holes and third mounting hole are fixedly connected by screw flight.
It has the advantage that: detection device is mounted on room top plate by the piece installing of solid Dingan County, connect by the way that screw rod is fixed
It connects, is easy to remove and repair, and horizontal adjustment can be carried out to detection device during installation.
As a further improvement of the present invention, the hypovalve that the shell is provided with is provided with air level, which is
The circle bubble of iridescent.
It has the advantage that: air level can accurately instruct detection device to carry out horizontal adjustment, so that detection device
Laser range finder effectively can carry out eyesight detection to eyesight eyesight tester, and not make the projected position of projection lamp accurately not
It shifts.
As a further improvement of the present invention, the diameter of the projection aperture of the projection lamp is 20-50cm.
It has the advantage that: the diameter aperture of 20-50cm can indicate that eyesight tester stands on accurate position,
Position is located in the detection range of laser range finder, can effectively carry out height detection, projection and make eyesight tester
It stands in the front of visual chart box, does not shift.
As a further improvement of the present invention, the projection lamp is in series with time switch, the setting time of the time switch
For 30-60s.
It has the advantage that: projection lamp is guiding eyesight tester to stand to after accurately being picked up position, pass through series connection timing
Switch can close after 30-60s, so that the light of projection lamp will not influence sight when detection.
Detailed description of the invention
Fig. 1 is usage state diagram of the present invention；
Fig. 2 is the structural schematic diagram of mounting bracket of the invention, visual chart box and lifting device；
Fig. 3 is the structural schematic diagram of visual chart box of the present invention；
Fig. 4 is the cross-sectional view of visual chart box of the present invention；
Fig. 5 is the structural schematic diagram of detection device of the present invention；
Fig. 6 is the cross-sectional view of detection device of the present invention；
Fig. 7 is the structural schematic diagram of fixed installation part；
Cross-sectional view when Fig. 8 is guide rail and sliding sleeve cooperative movement；
Fig. 9 is circuit diagram of the invention.
1, mounting bracket；2, visual chart box；3, detection device；4, lifting device；5, shell；6, laser range finder；7, people
Body infrared induction module；8, projection lamp；9, LED light；10, the second rangefinder；11, comparator；12, Postponement module；13, guide rail；
14, connecting hole；15, rack gear；16, sliding sleeve；17, right side plate；18, servo motor；19, gear；20, connecting rod；21, circular hole；22,
Lamp box；23, form；24, connecting shaft；25, mounting groove；26, left plate；27, roller；28, arc groove；29, handle；30, scale
Line；31, fixed installation part；32, the first mounting hole, the 33, second mounting hole；34, third mounting hole；35, connecting hole；36, level
Bubble；37, time switch；38, support plate；39, top plate；40, motor servo driver.
Specific embodiment
The present invention is described in further detail below in conjunction with embodiment given by attached drawing.
Referring to Fig.1 shown in -9, a kind of eyesight disclosed in the present embodiment detects lamp box, including mounting bracket 1, can slide up and down
The visual chart box 2 being arranged in mounting bracket 1 and the detection device 3 being arranged on external ceiling, mounting bracket 1 it is fixed
On the vertical metope in room, it is that 5m is remote that detection device 3, which is mounted on room top plate with the vertical range of visual chart box 2, the inspection
Device 3 is surveyed to be in communication with each other and connect with visual chart box 2, for the height for the tester that gives a test of one's eyesight, and by depending on table electricity box adjust to
On the position of the height double altitudes of eyesight tester, the detection device 3 includes 5 He of shell being mounted on external ceiling
It is mounted on the laser range finder 6 of 5 bottom surface of shell, LTS-0 can be selected in the model of laser range finder 6, and the laser range finder 6 is used
In the height of detection people, and height values are exported, laser range finder 6 is by issuing downwards vertical ray, by calculating laser
The arrival detected person crown, which was reflected by the received time of laser range finder 6, calculates detected height, the visual chart box 2
It can slide up and down and be connected in mounting bracket 1, which is equipped with the lifting device being in communication with each other with laser range finder 6
4, which can be realized by way of 19 sliding rail of screw rod lifting platform or gear, and the lifting device 4 is sharp for receiving
The height values that optar 6 exports, and the height according to height values adjustment visual chart box 2；
The mounting bracket 1 is fixedly mounted on metope, and the mounting bracket 1 is provided with guide rail 13,13 rear end of guide rail
Face is provided with rack gear 15, and the visual chart box 2 is fixedly installed with the sliding sleeve 16 with rectangular aperture, which is socketed guide rail 13
Front end face, the lifting device 4 include servo motor 18, motor servo driver 40 and comparator 11, which can
To select the servo motor 18 of model SGMRV-44ANA-YR2, which is used as the prior art, using number
Rotation direction and velocity of rotation of the word signal processor (DSP) as control core control servo motor 18, comparator 11 can
For single-chip microcontroller, which can use the serial port programming single-chip microcontroller of (AT89C51) model, the downside of the visual chart box 2
Equipped with the height of electricity box 2 and exporting the second rangefinder 10 of height number for giving a test of one's eyesight, the comparator 11 has first defeated
Enter end, the second input terminal and output end, the laser range finder 6 is coupled to first input end, and second rangefinder 10 couples
In the second input terminal, the output end and motor servo driver 40 are coupled, and the servo motor 18 is fixedly mounted on sliding sleeve 16
On, the output rod front end of the servo motor 18 is connected with gear 19, and 16 two sides of sliding sleeve extend back and have connecting rod 20, the company
20 end of extension bar is equipped with circular hole 21, which rotates 19 two sides of gear being socketed on output rod, the gear 19 and rack gear
15 engagements, when height values and height number are unequal, output end outputs signals to motor servo driver 40, servo motor
Driver 40 drives the rotation adjustment height number of servo motor 18, and single-chip microcontroller is to received laser range finder 6 and the second rangefinder
10 data convert, and reduction formula subtracts laser range finder 6 for the height on laser range finder 6 to ground and detects and be detected
The distance on the survey person crown subtract again 10cm be averaged the people crown to eyes distance be height values, the second rangefinder 10 and ground
Distance plus the eyesight sheet icon of visual chart box 2 be height number with 2 bottom surface of visual chart box at a distance from, single-chip microcontroller judges body
The size of high numerical value and height number, when height values are greater than height number, motor servo driver 40 controls servo motor 18
Output rod rotate forward drive visual chart box 2 move up until height values be equal to height number when servo motor 18 it is out of service,
When height values are less than height number, motor servo driver 40 controls the reversion of 18 output rod of servo motor and drives visual chart box 2
It is moved downwardly until that lifting device 4 is out of service when height values are equal to height number, single-chip microcontroller real-time reception laser range finder 6
Subtraction is carried out with the measurement numerical value of the second rangefinder 10, when obtained operation result is 0, motor servo driver 40 is controlled
Servo motor 18 processed is out of service, and when obtained operation result is positive number, motor servo driver 40 controls servo motor 18
It rotates forward so that visual chart box 2 moves upwards, when obtained operation result is negative, motor servo driver 40 controls servo electricity
Machine 18 inverts so that visual chart box 2 moves downward.
Eyesight disclosed in the present embodiment detects lamp box, and people tester forward direction faces visual chart box 2 when in use, stands
Corresponding 5 meters of remote positions of visual chart box, laser range finder 6 are mounted on the check bit upper end correctly stood required for corresponding tester
Ceiling on, the height values of tester are measured by the laser range finder 6 that is ceiling mounted, with laser range finder 6
The lifting device 4 being in communication with each other is adjusted according to the height values that laser range finder 6 is exported, and lifting device 4 can be
Screw rod lifting platform may be gear device, and lifting device 4 moves up and down visual chart box 2 in mounting bracket 1, swash
Optar 6 is communicated with the motor of lifting device 4, and driving visual chart box 2 is adjusted height according to the height of tester,
So that visual chart box 2 remains on the head-up height of sighting line of tester, so that the eyesight tester of different heights is detecting
Eyesight can be kept to look squarely when eyesight, so that testing result is more accurate, laser range finder 6 is detected by comparator 11
Height values and the height number detected of the second rangefinder 10 be compared, then by comparator 11 and motor servo driver
40 driving servo motors 18, are connected by servo motor 18 and visual chart box 2 are driven to slide up and down along guide rail 13, realize visual chart
Case 2 can accurately be moved to the position with tester's equal height, and the shift action of visual chart box 2 can be realized automation,
Servo motor 18 has that fast response time, precision is high for control, reliable for operation, small in size, small loss and other features, and visual chart can be fast
Speed lifting and steady.
As a kind of improved specific embodiment, 5 lower end surface of shell is equipped with human body infrared induction module 7, should
For human body infrared induction module 7 for incuding whether detected person enters induction region, 5 lower end surface of shell is provided with projection lamp
8, LED light 9 is installed inside the visual chart box 2,2 lower end surface of visual chart box is equipped with the second rangefinder 10, this second
The model of rangefinder 10 can also select LTS-0, second rangefinder 10 be used to measure visual chart box 2 and room bottom surface away from
From the laser range finder 6, human body infrared induction module 7, lifting device 4, LED light 9, the second rangefinder 10 and projection lamp 8
It is mutually coupled；When human body infrared induction module 7 senses tester, decision circuitry controls laser range finder 6, the second rangefinder
10, projection lamp 8 and LED light 9 start, the decision circuitry when tester walks out outside the induction zone of human body infrared induction module 7
It controls laser range finder 6, the second rangefinder 10, projection lamp 8 and LED light 9 to close, human body infrared induction module 7 and its judgement
The circuit theory of circuit are as follows: the element using pyroelectric infrared sensor (LN074B) as reception human body infrared radiation, when
After pyroelectric infrared sensor receives human infrared radiation signal, by pyroelectric infrared sensor internal conversion at a frequency
About 0.3~3Hz faint low frequency signal, the low frequency signal electricity that input operational amplifier forms after NPN transistor amplifies
Comparator 11 is pressed, when the investigative range for having human body to be in pyroelectric infrared sensor, pyroelectric infrared sensor output is certain
Voltage, the voltage make signal output voltage be higher than ginseng through NPN transistor amplification and operational amplifier composition voltage comparator 11
Voltage is examined, at this moment operational amplifier exports high level, makes the conducting of N-channel field-effect tube, so that the output of level output end is high
Level is controlled the starting of laser range finder 6, the second rangefinder 10, projection lamp 8 and LED light 9 by high level.
Judge whether eyesight tester reaches detection position by infrared induction module, is located in detection in eyesight tester
Laser range finder 6, the second rangefinder 10, projection lamp 8 and LED light 9 are opened when position, while can by setting projection lamp 8
It indicates that people stand on accurate setting position, laser range finder 6 is effectively given a test of one's eyesight the height of tester,
3 intelligence degree of Vission detector is high on the whole, reduces the work of optometry person, improves the accuracy of testing result.
As a kind of improved specific embodiment, the visual chart box 2 includes lamp box 22 and visual chart, the lamp box 22
It is fixedly connected with sliding sleeve 16, the lamp box 22 is cylindrical, which is provided with form 23, the lamp box 22 backwards to the side of metope
Inner rotation is connected with transparent roller 27, and the visual chart bonding is in the outer surface of roller 27, the 22 two sides axle center of lamp box
Position is provided with mounting groove 25, and installation axle 24 is fixedly connected in the mounting groove 25, and the roller rotation is socketed on the mounting shaft,
The side of 22 side of lamp box is provided with arc groove 28, and 27 side of roller is provided with handle in corresponding 28 position of arc groove
29, which stretches out arc groove 28, and the arc groove 28 is equipped with the graduation mark 30 of instruction 27 rotation distance of roller, and optometry person is logical
Cross handle 29 and rotate roller 27, handle 29 rotate one scale in arc groove 28, institute in form 23 it is observed that the world mark
The icon of quasi- visual chart is mounted in connecting shaft 24, is made by the visual chart box 2 of roller type in conversion a line, the LED light 9
The E word icon of the every a line of visual chart can turn to eyesight tester's eyesight horizontal position, and its rotational structure is rationally easy
Operation.
As a kind of improved specific embodiment, second rangefinder 10 is laser range sensor or infrared distance measurement
The ray of sensor or ultrasonic distance-measuring sensor, the second rangefinder 10 will not touch human body, so that the second rangefinder 10 can
With according to different situations, species selectivity is high.
As a kind of improved specific embodiment, the shell 5 is provided with for installing fixed fixed installation part 31,
The fixed installation part 31 includes top plate 39, left plate 26 and right side plate 17, and the left plate 26 and 17 lower end of right side plate are prolonged inwardly
Stretching has support plate 38, and the top plate 39 is equipped with the first mounting hole 32, and the left plate 26 is equipped with the second mounting hole 33, the right side
Plate 17 is equipped with third mounting hole 34, and first mounting hole 32 is equipped with the top that screw makes fixed installation part 31 be mounted on room
On plate, 5 two sides of shell are equipped with connecting hole 14, when shell 5 is placed in support plate 38, connecting hole 14 and the second installation
Hole 33 and third mounting hole 34 are aligned, and the connecting hole 14 and the second mounting hole 33 and third mounting hole 34 pass through screw flight
It is fixedly connected, during installation can be by adjusting left and right screw rod to 3 horizontal adjustment of detection device, detection device 3 passes through fixed peace
Piece installing 31 is mounted on room top plate, is fixedly connected by screw rod, is easy to remove and repair, and can be filled during installation to detection
Set 3 carry out horizontal adjustments.
As a kind of improved specific embodiment, the hypovalve that the shell 5 is provided with is provided with air level, the level
Bubble is the circle bubble of iridescent.
Air level can accurately instruct detection device 3 to carry out horizontal adjustment, and the bubble in air level is kept to be located at level
The center of bubble enables the laser range finder 6 of detection device 3 effectively to carry out eyesight inspection to eyesight eyesight tester
It surveys, and the projected position of projection lamp 8 is not shifted accurately.
As a kind of improved specific embodiment, the diameter of the projection aperture of the projection lamp 8 is 20-50cm.
The diameter aperture of 20-50cm can indicate that eyesight tester stands on accurate position, and position is located at laser
In the detection range of rangefinder 6, can effectively carry out height detection, projection and eyesight tester is stood in visual chart
The front of case 2, does not shift.
As a kind of improved specific embodiment, the projection lamp 8 is in series with time switch, the setting of the time switch
Time is 30-60s.
Projection lamp 8 is guiding eyesight tester to stand to after accurately being picked up position, can be in 30- by series connection time switch
It is closed after 60s, so that the light of projection lamp will not influence sight when detection.
When use: when eyesight tester is reached in the detection range of human body infrared detection module, and in detection range
It stops the regular hour, laser range finder 6, the second rangefinder 10, projection lamp 8 and LED light 9 start, and projection lamp 8 is filled in detection
Set 3 downward vertically corresponding position cast aperture, eyesight tester voluntarily adjusts position, 6 pairs of laser range finder views by aperture
Power tester carries out height measurement, and the second rangefinder 10 measures the height of visual chart box 2, both 11 pairs of comparator detections
Numerical value is compared and then controls the lifting of lifting device 4.
In conclusion the present invention realizes that Vission detector can carry out rising-falling tone as the height of eyesight tester changes
Whole, eyesight tester remains head-up so that testing result is more accurate, and Vission detector passes through during detection
Infrared induction, which automatically turns on, closes, and whole automatic intelligent degree is high, reduces the work of optist, improves working efficiency.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of eyesight detects lamp box, it is characterised in that: including mounting bracket (1), the setting that can be slid up and down in mounting bracket
(1) visual chart box (2) on and the detection device (3) being arranged on external ceiling, the detection device (3) and visual chart
Case (2) is in communication with each other connection, which is used for the height of tester of giving a test of one's eyesight, and will be adjusted depending on table electricity box (2) to
On the position of the height double altitudes of eyesight tester, the detection device (3) includes the shell being mounted on external ceiling
Body (5) and the laser range finder (6) for being mounted on shell (5) bottom surface, the laser range finder (6) are used to detect the height of people, and
Height values are exported, the visual chart box (2), which can slide up and down, to be connected on mounting bracket (1), which is equipped with
The lifting device (4) being in communication with each other with laser range finder (6), the lifting device (4) is for receiving laser range finder (6) output
Height values, and according to height values adjustment visual chart box (2) height；
The mounting bracket (1) is fixedly mounted on metope, and the mounting bracket (1) is provided with guide rail (13), the guide rail (13)
Rear end face is provided with rack gear (15), and the visual chart box (2) is fixedly installed with the sliding sleeve (16) with rectangular aperture, the sliding sleeve
(16) it is socketed guide rail (13) front end face, the lifting device (4) includes servo motor (18), motor servo driver and comparator
(11), the downside of the visual chart box (2) is equipped with for the electricity box that give a test of one's eyesight (2) height and exports the second survey of height number
Distance meter (10), the comparator (11) have first input end, the second input terminal and output end, laser range finder (6) coupling
It is connected to first input end, second rangefinder (10) is coupled to the second input terminal, the output end and motor servo driver
(40) it couples, the servo motor (18) is fixedly mounted on sliding sleeve (16), the output rod front end connection of the servo motor (18)
Having gear (19), sliding sleeve (16) two sides extend back and have connecting rod (20), which is equipped with circular hole (21),
The circular hole (21) rotates gear (19) two sides being socketed on output rod, and the gear (19) is engaged with rack gear (15), works as height
When numerical value and height number are unequal, output end is output signals to motor servo driver (40), motor servo driver (40)
Drive servo motor (18) rotation adjustment height number.
2. a kind of eyesight according to claim 1 detects lamp box, it is characterised in that: shell (5) lower end surface is equipped with
Human body infrared induction module (7), human body infrared induction module (7) is for incuding whether detected person enters induction region, institute
It states shell (5) lower end surface to be provided with projection lamp (8), LED light (9), the visual chart box is installed inside the visual chart box (2)
(2) lower end surface is equipped with the second rangefinder (10), and second rangefinder (10) is for measuring visual chart box (2) and room bottom surface
Distance, the laser range finder (6), human body infrared induction module (7), lifting device (4), LED light (9), the second rangefinder
(10) and projection lamp (8) is mutually coupled；When human body infrared induction module (7) senses tester, decision circuitry controls laser
Rangefinder (6), the second rangefinder (10), projection lamp (8) and LED light (9) starting.
3. a kind of eyesight according to claim 2 detects lamp box, it is characterised in that: the visual chart box (2) includes lamp box
(22) it is fixedly connected with visual chart, the lamp box (22) with sliding sleeve (16), the lamp box (22) is cylindrical, and the lamp box (22) is backwards
The side of metope is provided with form (23), and lamp box (22) inner rotation is connected with transparent roller (27), and the visual chart is glutinous
It closes in the outer surface of roller (27), lamp box (22) two sides shaft core position is provided with mounting groove (25), in the mounting groove (25)
It is fixedly connected with installation axle (24), the roller rotation is socketed on installation axle (24), and the side of lamp box (22) side is set
It is equipped with arc groove (28), roller (27) side is provided with handle (29) in corresponding arc groove (28) position, the handle (29)
It stretches out arc groove (28), the arc groove (28) is equipped with the graduation mark (30) of instruction roller (27) rotation distance, the LED light
(9) it is mounted on installation axle (24).
4. a kind of eyesight according to claim 3 detects lamp box, it is characterised in that: second rangefinder (10) is laser
Distance measuring sensor or infrared distance sensor or ultrasonic distance-measuring sensor.
5. a kind of eyesight according to claim 4 detects lamp box, it is characterised in that: the shell (5) is provided with for pacifying
Fixed fixed installation part (31) is filled, which includes top plate (39), left plate (26) and right side plate (17), is somebody's turn to do
Left plate (26) and right side plate (17) lower end are extended with support plate (38) inwardly, and the top plate is equipped with the first mounting hole (32),
The left plate (26) is equipped with the second mounting hole (33), and the right side plate (17) is equipped with third mounting hole (34), first peace
Dress hole (32) is equipped with screw and fixed installation part (31) is mounted on wall, and shell (5) two sides are equipped with connecting hole
(14), which is fixedly connected with the second mounting hole (33) and third mounting hole (34) by screw flight.
6. a kind of eyesight according to claim 5 detects lamp box, it is characterised in that: the lower casing that the shell (5) is provided with
Face is provided with air level, which is the circle bubble of iridescent.
7. a kind of eyesight according to claim 6 detects lamp box, it is characterised in that: the projection aperture of the projection lamp (8)
Diameter be 20-50cm.
8. a kind of eyesight according to claim 7 detects lamp box, it is characterised in that:, the projection lamp (8) is in series with timing
Switch, the setting time of the time switch are 30-60s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710387404.4A CN106983489B (en) | 2017-05-26 | 2017-05-26 | A kind of eyesight detection lamp box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710387404.4A CN106983489B (en) | 2017-05-26 | 2017-05-26 | A kind of eyesight detection lamp box |
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| CN106983489A CN106983489A (en) | 2017-07-28 |
| CN106983489B true CN106983489B (en) | 2019-03-19 |
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| CN201710387404.4A Active CN106983489B (en) | 2017-05-26 | 2017-05-26 | A kind of eyesight detection lamp box |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108272630B (en) * | 2018-03-14 | 2024-05-03 | 刘增磊 | Moxibustion device |
| CN109124561A (en) * | 2018-03-20 | 2019-01-04 | 许昌学院 | One kind is anti-to recite visual chart |
| CN108634581B (en) * | 2018-05-14 | 2019-12-27 | 霸州市瑞丽家具有限公司 | Multifunctional automatic dining table |
| CN109330555A (en) * | 2018-09-14 | 2019-02-15 | 侯尧珍 | A kind of intelligent eyesight detection based on cloud computing and training correction system |
| CN109864697A (en) * | 2019-01-22 | 2019-06-11 | 深圳市聚派乐品科技有限公司 | A kind of survey viewing system being self-regulated according to measured's position height parameter |
| CN109907728B (en) * | 2019-04-11 | 2022-07-26 | 梁恩惠 | Vision testing device and method |
| CN109998470A (en) * | 2019-04-18 | 2019-07-12 | 深圳亿点五网络科技有限公司 | A kind of eyesight test method and device |
| CN111685722A (en) * | 2020-05-29 | 2020-09-22 | 义乌市光明工程近视防控研究所 | Wisdom campus is with intelligent visual detection system |
| CN111685721A (en) * | 2020-05-29 | 2020-09-22 | 义乌市光明工程近视防控研究所 | Eyesight screening equipment capable of automatically adjusting detection distance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0515492A (en) * | 1991-07-15 | 1993-01-26 | Nidek Co Ltd | Eye examination device |
| JP3779448B2 (en) * | 1997-09-30 | 2006-05-31 | 株式会社トプコン | Visual function inspection system |
| JP4632335B2 (en) * | 2001-05-14 | 2011-02-16 | 株式会社トプコン | Optometry system for eyeglass sales support |
| CN2845717Y (en) * | 2005-09-13 | 2006-12-13 | 王哲 | Height adjustable vision detector |
| CN201290665Y (en) * | 2008-11-13 | 2009-08-19 | 刘殿鑫 | Mobile liftable standard visual acuity chart |
| US9492344B2 (en) * | 2009-08-03 | 2016-11-15 | Nike, Inc. | Unified vision testing and/or training |
| CN202920141U (en) * | 2012-11-27 | 2013-05-08 | 杜少林 | Novel vision test lamphouse |
| CN204813880U (en) * | 2015-06-30 | 2015-12-02 | 青岛海尔智能技术研发有限公司 | Height measuring device |
| CN105996974A (en) * | 2016-06-25 | 2016-10-12 | 利辛县眼病防治所 | Portable and changeable visual acuity chart box |
| CN207532372U (en) * | 2017-05-26 | 2018-06-26 | 温州星康医学科技有限公司 | A kind of eyesight detects lamp box |
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2017
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