CN102466800B - Laser ranging device with automatic starting ranging function and automatic starting method thereof - Google Patents

Abstract

The invention relates to a laser ranging device with an automatic starting ranging function and an automatic starting method thereof.

Description

Laser ranging device with automatic starting ranging function and automatic starting method thereof

technical field

The present invention relates to a distance measuring device, and more specifically refers to a laser distance measuring device with an automatic starting ranging function and an automatic starting method thereof.

Background technique

A known laser ranging device for distance measurement is provided with a touch button on the body as an actuation switch of the ranging circuit. However, when the distance measurement target is far away, the trigger method of pressing the button on the body will often cause the body to shake greatly, which will cause errors in the measured values obtained, and even cause errors in the measurement of the target. . In addition, when the laser ranging device is installed on the gun as a basis for auxiliary aiming and ranging, if the palm of the gun holder is relatively short, it will be difficult to touch the buttons on the body while holding the gun. , so that the actions of aiming, ranging and shooting are not smooth enough, which will make the laser ranging device difficult to use.

In order to improve the above shortcomings, some operators set the buttons on the remote control device, so as to avoid the large shaking of the body when the trigger is pressed, and the triggering of the distance measuring circuit can be performed within a certain range, so as to avoid the occurrence of buttons when holding the gun. Difficult to touch situations. However, although setting the button on the remote control device can improve the shortcomings of the aforementioned laser distance measuring device, it still needs to be pressed to trigger the measurement circuit, which will also cause a little shaking of the user himself or the gun body, thereby causing the There will also be some errors in the measured values. In addition, in this way, more remote control devices must be added to the gun or the user's hand to achieve the purpose of circuit triggering, which will not be able to effectively improve the situation of unsmooth use.

Based on the above, it can be known that the two known laser distance measuring devices are not perfect and still need to be improved.

Contents of the invention

In view of this, the technical problem to be solved by the present invention is to provide a laser distance measuring device with an automatic starting distance measurement function for the defect that the laser distance measuring device needs to be manually pressed to trigger the circuit and cause shaking. The laser distance measuring device and its automatic starting method can achieve automatic distance measurement when the user performs aiming.

The technical solution adopted by the present invention to solve the technical problem is to provide a method for automatically starting the ranging function of the laser ranging device, the laser ranging device has at least one aiming window on its body; the method includes Follow these steps:

First detect (1) whether the user's eyes are close to the aiming window, and (2) whether the acceleration of the body is smaller than the default value; if the detection results of the aforementioned items (1) and (2) are both yes, Start the ranging function of the laser ranging device.

According to the above idea, the present invention also provides a laser distance measuring device for implementing the above method, including an organism, a first detection device, a second detection device, a processor, a distance measurement device and a display device. Wherein the body has the at least one aiming window for the user's eyes to observe whether the laser distance measuring device is correctly aimed at the target; the first detection device is used for the user's eyes to approach the When aiming at the window, a first signal is generated; the second detection device is used to detect the acceleration of the body; the processor is used to judge the acceleration detected by the second device, and when the acceleration is less than a predetermined value, generate a second signal. signal; the distance measuring device is used to simultaneously receive the first signal generated by the first detection device and the second signal generated by the processor, emit the laser light to the target, and receive the reflected light from the target The laser light is used to measure the distance between the distance measuring device and the target object; the display device is used to display the distance measured by the distance measuring device.

According to the above concept, the processor of the laser distance measuring device can also be used to simultaneously receive the first signal, and judge the acceleration detected by the second device, and generate the second signal when the acceleration is less than the predetermined value; After receiving the second signal, the distance measuring device emits the laser light to the target and receives the laser light reflected by the target to measure the distance between the distance measuring device and the target.

According to the above idea, the second detection device of the laser distance measuring device can also be used to detect the acceleration of the body when receiving the first signal; the processor is used to judge the acceleration detected by the second device, and When the acceleration is less than the default value, the second signal is generated; the distance measuring device is used to emit the laser light to the target after receiving the second signal, and receive the reflected laser light from the target to measure Obtain the distance between the distance measuring device and the target.

According to the above idea, the processor of the laser distance measuring device is used to judge the acceleration detected by the second detection device, and when the acceleration is less than the default value, generate the second signal to drive the first detection device; The distance measuring device is used to emit the laser light to the target after receiving the first signal from the first detection device, and receive the laser light reflected from the target to measure the distance from the distance measuring device to the target. distance between.

Implementing the laser distance measuring device with automatic start ranging function and the automatic start method thereof of the present invention has the following beneficial effects: when the user's eyes are close to the aiming window and the acceleration of the body is less than the default value, the laser is automatically started The distance measuring function of the distance measuring device will not cause shaking or unsmooth operation, which is convenient for operation.

Description of drawings

Fig. 1 is a side view of the first preferred embodiment of the present invention.

FIG. 2 is a block diagram of components of the above-mentioned first preferred embodiment of the present invention.

Fig. 3 is a flow chart of the above-mentioned first preferred embodiment of the present invention.

FIG. 4 is a block diagram of components of a second preferred embodiment of the present invention.

Fig. 5 is a flow chart of the third preferred embodiment of the present invention.

FIG. 6 is a block diagram of components of the above-mentioned third preferred embodiment of the present invention.

Fig. 7 is a flowchart of the fourth preferred embodiment of the present invention.

FIG. 8 is a block diagram of components of the fourth preferred embodiment of the present invention.

Detailed ways

In order to illustrate the present invention more clearly, preferred embodiments are given and described in detail with accompanying drawings as follows.

For the convenience of explanation, the laser distance measuring device 1 with the automatic start-up ranging function of the present invention and the method for automatically starting the ranging function of the laser distance measuring device 1 are described together, wherein Fig. 1 and 2 are illustrations of the present invention. The structure diagram of the laser distance measuring device 1 in a preferred embodiment, FIG. 3 is a flow chart of the method for automatically starting the distance measuring function of the laser distance measuring device 1 according to the present invention.

The laser distance measuring device 1 of this embodiment includes an organism 10 , and a first detection device 11 , a second detection device 12 , a processor 13 , a distance measurement device 14 and a display device 15 disposed in the body 10 . in:

The machine body 10 is used for the user to take or combine with the gun, and has an aiming window 10a. The aiming window 10 a is used for the user to observe closely whether the laser distance measuring device 1 is correctly aligned with the target object 100 .

The first detection device 11 is located near the aiming window 10a, and is used for detecting whether the user's eyes approach the aiming window 10a. In this embodiment, the first detection device 11 is an infrared ray detector, which detects whether a small amount of infrared ray naturally produced by human eyes is detected within a predetermined distance in front of the aiming window 10a, so as to determine whether the user's eyes are Whether it is close to the aiming window 10a, and if so, a first signal is generated. In other words, when the first detection device 11 generates the first signal, it means that the user is approaching the aiming window 10 a and preparing to align the target 100 . In addition, in terms of design, the first detection device 11 can also be a ray range finder, which is used to emit rays to the user's eyes, and receive the reflected rays from the user's eyes, and detect the distance from the eyes to the aiming window. 10a, and compare whether the distance is less than the predetermined distance, so as to determine whether the eye is close to the aiming window 10a. Or a light sensor, which detects the luminosity around the aiming window 10a and compares whether the luminosity is less than a predetermined luminosity to determine whether the luminosity around the aiming window 10a decreases due to the approach of the eyes. Or an image recognizer, which captures the image in front of the aiming window 10a and identifies whether the object in the image is an eye, so as to determine whether the eye is close to the aiming window 10a.

The second detection device 12 is used to detect the acceleration of the machine body 10 . In this embodiment, the second detection device 12 is an example of a three-axis accelerometer, but it is not limited thereto. In terms of design, a device such as a gyroscope that can measure acceleration or angular offset can also be used instead.

The processor 13 is electrically connected to the first detection device 11 and the second detection device 12, and has a built-in predetermined value for judging the signal detected by the second device while receiving the first signal. acceleration, and when the acceleration is less than the predetermined value, a second signal is generated. That is, when the processor 13 generates the second signal, it means that the user is currently looking at the aiming window 10 a to align the target 100 , and the body 10 is moving steadily or in a static state. In other words, the user is currently aiming.

The ranging device 14 is electrically connected to the processor 13 for being driven by the processor 13 to start its ranging function. That is, when the distance measuring device 14 receives the second signal, it emits laser light to the target object 100, and receives the laser light reflected from the target object 100, so as to measure the distance between the laser distance measuring device 1 and the target object 100. The distance between the targets 100 and its detailed distance calculation method belong to the prior art, and will not be repeated here.

The display device 15 is a transmissive liquid crystal panel, but not limited thereto, and is used for electrically connecting with the distance measuring device 14, and for displaying the distance measured by the distance measuring device 14 in digital form, so that The user can know the measured distance in real time.

Other structures that can utilize the same method to achieve the purpose of automatic ranging are described below. Please refer to FIG. 4, which is the laser ranging device 2 of the second preferred embodiment of the present invention. The detection device 21 is instead electrically connected to the distance measuring device 24 , and the processor 23 is only used to judge the acceleration detected by the second detection device 22 . That is, the distance measuring device 24 starts its distance measuring function only after being driven by the first detecting device 21 and the processor 23 at the same time.

In addition, in addition to the above-mentioned method and component configuration, please refer to FIG. 5, which is the third preferred embodiment of the present invention. The difference from the above-mentioned method is that the method of segment detection is used as the basis for starting the ranging function. . That is, it first detects whether the user's eyes are close to the aiming window; if so, then detects whether the acceleration of the body is less than a predetermined value; if less, then activates the ranging function for ranging. The laser distance measuring device 3 corresponding to the above method is shown in FIG. When opening the window 30a, the second detection device 32 is driven to act. The processor 33 is connected to the second detection device 32 and the distance measuring device 34, and is used to drive the distance measurement device 34 to start the distance measurement when the second detection device 32 is actuated and the acceleration after interpretation is less than the default value. function, so as to achieve the purpose of automatic distance measurement.

Furthermore, please refer to Fig. 7, which is a fourth preferred embodiment of the present invention, which first detects whether the acceleration of the body is less than a predetermined value; if less, then simultaneously detects whether the user's eyes are close to the aiming window; if so, then starts The distance measurement function performs distance measurement. Therefore, FIG. 8 reveals the laser distance measuring device 4 corresponding to the above method, wherein the processor 43 is electrically connected with the first detection device 41 and the second detection device 42, and is used for when the second detection device 42 detects When the acceleration is less than the predetermined value, the first detection device 41 is driven to act; and the first detection device 41 is then electrically connected to the distance measuring device 44, so that when the first detection device 41 detects that the user's eyes When approaching the aiming window 40a, the distance measuring function of the distance measuring device 44 is activated, so as to achieve the purpose of automatic distance measurement.

It is worth mentioning that, in order to allow the user to have more choices in operation, the above-mentioned embodiments can be further provided with an activation button 200, which is used to directly drive the test button after pressing it with the user's hand. The distance device is actuated, so that the laser distance measuring device can have the functions of automatic activation and manual activation at the same time, so that the laser distance measuring device can be used more flexibly in accordance with the operating habits of different users.

The above descriptions are only a few preferred feasible embodiments of the present invention, and any equivalent structure and manufacturing method changes made by applying the specification and claims of the present invention should be included in the patent scope of the present invention.

Claims (12)

1. A method for automatically starting the distance measuring function of a laser distance measuring device, the laser distance measuring device has at least one on its body for the user's eyes to observe whether the laser distance measuring device is correctly aligned The aiming window of quasi-target object; It is characterized in that, the method comprises the following steps: A detection (1) whether the user's eyes are close to the aiming window; (2) Whether the acceleration of the body is less than the default value; B When the detection results of the aforementioned items (1) and (2) are both yes, start the distance measuring function of the laser distance measuring device. 2. The method for automatically starting the distance measuring function of the laser distance measuring device as claimed in claim 1, wherein, in the item (1) of step A, the ray is emitted to the user's body before the aiming window. The eye receives the reflected rays from the user's eye to detect the distance from the eye to the aiming window, and compares whether the distance is less than a predetermined distance, so as to determine whether the eye is close to the aiming window. 3. The method for automatically starting the ranging function of the laser ranging device according to claim 1, wherein, in the item (1) of step A, whether a laser is detected within a predetermined distance in front of the aiming window is used. A small amount of rays produced by the human body to determine whether the eyes are close to the aiming window. 4. The method for automatically starting the ranging function of the laser ranging device according to claim 1, wherein, in item (1) of step A, the luminosity around the aiming window is detected and compared with the Whether the luminosity is less than a predetermined luminosity is used to determine whether the eyes are close to the aiming window. 5. The method for automatically activating the distance measuring function of the laser distance measuring device according to claim 1, characterized in that, in the item (1) of step A, the image in front of the aiming window is captured and the Whether the object in the image is an eye is used to determine whether the eye is close to the aiming window. 6. The method for automatically activating the distance measuring function of the laser distance measuring device according to claim 1, wherein in step A, item (1) and item (2) are detected at the same time. 7. The method for automatically starting the ranging function of the laser ranging device according to claim 1, wherein in step A, the item (1) is first detected, and if the detection result of the item (1) If yes, continue to detect item (2). 8. The method for automatically starting the distance measuring function of the laser distance measuring device according to claim 1, wherein in step A, the item (2) is first detected, and if the detection result of the item (2) is If yes, continue to detect item (1). 9. A laser ranging device with an automatic ranging function, characterized in that it includes: The body has at least one aiming window for the user's eyes to observe whether the laser distance measuring device is correctly aligned with the target; The first detection device is used to generate a first signal when the user's eyes are close to the aiming window; the second detection device is used to detect the acceleration of the body; a processor, configured to judge the acceleration detected by the second detection device, and generate a second signal when the acceleration is less than a predetermined value; The distance measuring device is used to simultaneously receive the first signal generated by the first detection device and the second signal generated by the processor, emit laser light to the target object, and receive the laser light reflected by the target object, to measure the distance from the distance measuring device to the target; The display device is used to display the distance measured by the distance measuring device. 10. A laser ranging device with an automatic ranging function, characterized in that it includes: The body has at least one aiming window for the user's eyes to observe whether the laser distance measuring device is correctly aligned with the target; The first detection device is used to generate a first signal when the user's eyes are close to the aiming window; the second detection device is used to detect the acceleration of the body; a processor, configured to simultaneously receive the first signal, and interpret the acceleration detected by the second detection device, and generate a second signal when the acceleration is less than a predetermined value; The distance measuring device is used to emit laser light to the target after receiving the second signal, and receive the laser light reflected by the target to measure the distance between the distance measuring device and the target; The display device is used to display the distance measured by the distance measuring device. 11. A laser ranging device with an automatic ranging function, characterized in that it includes: The body has at least one aiming window for the user's eyes to observe whether the laser distance measuring device is correctly aligned with the target; The first detection device is used to generate a first signal when the user's eyes are close to the aiming window; The second detection device is used to detect the acceleration of the body when receiving the first signal; a processor, configured to judge the acceleration detected by the second detection device, and generate a second signal when the acceleration is less than a default value; The distance measuring device is used to emit laser light to the target after receiving the second signal, and receive the laser light reflected by the target to measure the distance between the distance measuring device and the target; The display device is used to display the distance measured by the distance measuring device. 12. A laser ranging device with an automatic ranging function, characterized in that it includes: The body has at least one aiming window for the user's eyes to observe whether the laser distance measuring device is correctly aligned with the target; The first detection device is used to generate a first signal when the user's eyes are close to the aiming window; the second detection device is used to detect the acceleration of the body; a processor, configured to judge the acceleration detected by the second detection device, and generate a second signal to drive the first detection device to act when the acceleration is less than a default value; The distance measuring device is used to emit laser light to the target after receiving the second signal, and receive the laser light reflected by the target to measure the distance between the distance measuring device and the target; The display device is used to display the distance measured by the distance measuring device.

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