CN216848144U - Hand-held all-weather laser distance measuring device - Google Patents
Hand-held all-weather laser distance measuring device Download PDFInfo
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- CN216848144U CN216848144U CN202123382523.1U CN202123382523U CN216848144U CN 216848144 U CN216848144 U CN 216848144U CN 202123382523 U CN202123382523 U CN 202123382523U CN 216848144 U CN216848144 U CN 216848144U
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Abstract
The utility model relates to a hand-held type all-weather laser rangefinder, its characteristics are: it includes casing, protecgulum subassembly, rear cover subassembly and battery pack, the right side lower part of casing sets up the battery compartment, the front of casing is arranged in to the protecgulum subassembly and links firmly, and the low light level camera lens and the visible light camera lens of protecgulum subassembly are towards the external world, the rear end of casing is arranged in and links firmly to the rear cover subassembly, and the eyepiece of rear cover subassembly is towards the external world, and the OLED display screen of rear cover subassembly is used for receiving the imaging data of the imaging circuit transmission of protecgulum subassembly, battery pack arranges in the battery compartment, and through the battery cover solid sealing in the battery compartment for supply power for low light level detector, visible light detector, range finding module, imaging circuit and OLED display screen. The device has the advantages of all-weather adaptation, compact structure, small volume, light weight, clear observation and high measurement precision.
Description
Technical Field
The utility model relates to a laser rangefinder technical field especially relates to laser rangefinder at daytime and night, is a hand-held type all-weather laser rangefinder.
Background
A laser ranging apparatus is an instrument for accurately measuring a distance to a target (also referred to as laser ranging) using laser light. When the laser distance measuring device works, a thin laser beam is emitted to a target, the photoelectric element receives the laser beam reflected by the target, the timer measures the time from the emitting to the receiving of the laser beam, and the distance from an observer to the target is calculated. The conventional laser ranging device uses a visible light system, and is generally used under the condition of sufficient light in daytime. When the light is dim or the night reaches 5X 10-3Under the lx low-illumination environment, the observation and distance measurement accuracy is greatly reduced, and even the distance between the target and the measured target cannot be observed. With the continuous expansion of application requirements, the demand for a distance measuring device having both high performance (such as eye safety, day and night observation capability, etc.) and small size and light weight is becoming very urgent.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, and the handheld all-weather laser ranging device is provided.
The utility model provides a technical problem's scheme is: a hand-held all-weather laser distance measuring device is characterized in that: it includes casing, protecgulum subassembly, rear cover subassembly and battery pack, the right side lower part of casing sets up the battery compartment, the front of casing is arranged in to the protecgulum subassembly and links firmly, and the low light level camera lens and the visible light camera lens of protecgulum subassembly are towards the external world, the rear end of casing is arranged in and links firmly to the rear cover subassembly, and the eyepiece of rear cover subassembly is towards the external world, and the OLED display screen of rear cover subassembly is used for receiving the imaging data of the imaging circuit transmission of protecgulum subassembly, battery pack arranges in the battery compartment, and through the battery cover solid sealing in the battery compartment for supply power for low light level detector, visible light detector, range finding module, imaging circuit and OLED display screen.
The front cover assembly comprises a front cover, a low-illumination lens, a low-illumination detector, a distance measuring module, a visible light lens, an imaging circuit and a visible light detector, the low-illumination lens penetrates through the upper portion of the front cover, the low-illumination detector is arranged behind the low-illumination lens and is arranged side by side with the distance measuring module, the visible light lens penetrates through the lower portion of the front cover, the visible light detector is arranged behind the visible light lens and is arranged side by side with the imaging circuit, and the front cover assembly is fixedly connected with the shell through the front cover.
The rear cover assembly comprises a rear cover, an OLED display screen and an eyepiece, the front end of the rear cover is provided with the OLED display screen, the OLED display screen is used for receiving imaging data transmitted by an imaging circuit of the front cover assembly, the rear end of the rear cover is provided with the eyepiece in a penetrating mode and used for amplifying images of the OLED display screen, and the rear cover assembly is fixedly connected with the shell through the rear cover.
Preferably, the distance measuring module includes a signal processing circuit, a laser emitting module, a laser receiving module, an APD detecting module, an emitting optical system and a receiving optical system, wherein:
the output end of the signal processing circuit is connected with the input end of the laser emission module, and the input end of the signal processing circuit is respectively connected with the output end of the laser emission module and the output end of the laser receiving module;
the output end of the laser emission module is connected with the input end of the signal processing circuit and simultaneously connected with the input end of the emission optical system;
the input end of the APD detection module is connected with the output end of the receiving optical system, and the output end of the APD detection module is connected with the input end of the laser receiving module;
the laser light output by the transmitting optical system is projected on a diffuse reflection target and then reflected to the input end of the receiving optical system.
Preferably, the signal processing circuit of the ranging module includes a microcontroller, a serial communication module and a main wave detection control, wherein:
the transmission end of the microprocessor is connected with the serial port communication module;
the input end of the main wave detection control is connected with the first output end of a laser of the laser emitting module, and the output end of the main wave detection control is connected with the first input end of the microcontroller.
Preferably, the laser emission module of the distance measurement module comprises a laser emission drive control and a laser, wherein:
the input end of the laser emission driving control is connected with the output end of a microcontroller of the signal processing circuit;
the input end of the laser is connected with the output end of the laser emission driving control, and the second output end of the laser is connected with the input end of the emission optical system.
Preferably, the laser receiving module of the ranging module comprises a pre-amplification control and a comparator, wherein:
the input end of the preamplification control is connected with the output end of the APD detection module;
the input end of the comparator is connected with the output end of the pre-amplification control, and the output end of the comparator is connected with the second input end of the microcontroller of the signal processing circuit.
Preferably, the APD detection module of the distance measurement module is an APD detector, and an input end of the APD detector is connected to an output end of the receiving optical system.
Preferably, the imaging circuit comprises a haisi main control board, an image signal processing unit and a power supply chip, wherein:
the Haisi master control board is respectively in signal connection with the flash memory module, the embedded memory and the FPGA circuit and is used for transmitting data signals, and the FPGA circuit is in signal connection with the OLED display screen and is in signal connection with the analog video unidirectional signal and is used for outputting images;
the Haesi main control board is connected with the first memory module and used for storing data;
the image signal processing unit is respectively in signal connection with the low-illumination detector and the visible light detector and is used for transmitting data signals;
the image signal processing unit is connected with the second memory module and used for storing data;
and the power supply chip is respectively in signal electric connection with the low-illumination detector and the visible light detector and supplies power to the low-illumination detector and the visible light detector.
Preferably, the laser distance measuring device is provided with a hand protecting belt.
The utility model discloses a working process is: the utility model discloses a laser rangefinder, under daytime or sufficient condition of light, adopt the little visual field mode of daytime, at the during operation, microprocessor jets out a branch of very thin laser beam to the target through laser emission drive controlling part control laser instrument, the laser beam throws at the diffuse reflection target through the visible light camera lens as transmitting optical system and visible light detector, the laser beam reflects the input of receiving optical system, receive the laser beam of target reflection by receiving optical system, the time of time-recorder survey laser beam from launching to receiving, calculate the distance from the observer to the target, with the light signal collection of target observation and discernment under the sufficient condition of realization daytime light. In dim light or at night with low illumination of 5X 10-3Under lx condition, a night large view field mode is adopted, when the device works, the microprocessor controls the laser to emit a thin laser beam to a target through the laser emission driving control, the laser beam is projected on a diffuse reflection target through the low-illumination lens and the low-illumination detector which are used as the emission optical system, the laser beam is reflected to the input end of the receiving optical system, the laser beam reflected by the target is received by the receiving optical system, the timer measures the time from emission to reception of the laser beam, and the distance from an observer to the target is calculated, so that the dim light or the night 5 multiplied by 10 distance is realized-3And (3) acquiring optical signals for target observation and identification in an lx bottom illumination environment.
The utility model has the advantages that: its visible light camera lens and visible light detector and low light level camera lens that set up and low light level detector have improved the utility model discloses range unit's performance not only in daytime or under the sufficient condition of light can be clear observation, discernment target and carry out accurate range finding to the target, dim or low light level 5 x 10 at night moreover-3Under lx condition, the distance measuring device can still clearly observe and identify the target and accurately measure the distance of the target, thereby realizing all-weather observation and identification of the target and target measurementThe accurate distance measurement solves the problem that the laser distance measurement device in the prior art can only clearly observe and identify the target and accurately measure the distance of the target in the daytime or under the condition of sufficient light, and cannot observe and identify the target in dim light or at low illumination of 5 multiplied by 10 at night-3Under lx condition, the observation and distance measurement precision can be greatly reduced, even the distance between the target and the measured target can not be observed. The device has the advantages of all-weather adaptation, compact structure, small volume, light weight, clear observation and high measurement precision.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic external view of the present invention;
fig. 3 is a schematic diagram of the ranging module system of the present invention;
fig. 4 is a schematic diagram of the imaging circuit of the present invention.
Wherein: 1 low light level camera lens, 2 protecgulums, 3 low light level detectors, 4 range finding modules, 5 hand protecting areas, 6 casings, 7 OLED display screens, 8 back covers, 9 eyepiece, 10 battery storehouses, 11 battery covers, 12 visible light detector, 13 imaging circuit, 14 visible light camera lenses, 15 front shroud subassemblies, 16 back shroud subassemblies, 17 signal processing circuit, 18 laser instrument emission module, 19 APD detection module, 20 laser receiving module.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1-2, embodiment 1 is a handheld all-weather laser distance measuring device for distance measurement under the condition of sufficient daytime light, and includes a casing 6, a front cover assembly 15, a rear cover assembly 16 and a battery assembly, where the battery compartment 10 is disposed at the lower portion of the right side of the casing 6, the front cover assembly 15 is disposed in front of the casing 6 and fixedly connected thereto, the low-illumination lens 1 and the visible lens 14 of the front cover assembly 15 face the outside, the rear cover assembly 16 is disposed at the rear end of the casing 6 and fixedly connected thereto, the eyepiece 9 of the rear cover assembly 16 faces the outside, the OLED display screen 7 of the rear cover assembly 16 is used for receiving imaging data transmitted by the imaging circuit 13 of the front cover assembly 15, and the battery assembly is disposed in the battery compartment 10 and sealed in the battery compartment 10 by a battery cover 11 and used for providing a low-illumination detector 3, a visible light detector 12, a distance measuring module 4, and a distance measuring module 4, The imaging circuit 13 and the OLED display screen 7 are powered, and the hand protecting belt 5 is arranged outside the shell 6.
The front cover assembly 15 comprises a front cover 2, a low-illumination lens 1, a low-illumination detector 3, a distance measuring module 4, a visible light lens 14, an imaging circuit 13 and a visible light detector 12, the low-illumination lens 1 penetrates through the upper portion of the front cover 2, the low-illumination detector 3 and the distance measuring module 4 are arranged behind the low-illumination lens 1 side by side, the visible light lens 14 penetrates through the lower portion of the front cover 2, the visible light detector 12 and the imaging circuit 13 are arranged behind the visible light lens 14 side by side, and the front cover assembly 15 is fixedly connected with the shell 6 through the front cover 2.
The rear cover assembly 16 comprises a rear cover 8, an OLED display screen 7 and an eyepiece 9, the front end of the rear cover 8 is provided with the OLED display screen 7, the OLED display screen 7 is used for receiving imaging data transmitted by an imaging circuit 13 of the front cover assembly 15, the eyepiece 9 is mounted at the rear end of the rear cover 8 in a penetrating mode and used for amplifying images of the OLED display screen 7, and the rear cover assembly 16 is fixedly connected with the shell 6 through the rear cover 8.
The distance measurement module 4 includes a signal processing circuit 17, a laser emitting module 18, a laser receiving module 20, an APD detecting module 19, an emitting optical system and a receiving optical system, wherein:
the output end of the signal processing circuit 17 is connected with the input end of the laser emitting module 18, and the input end of the signal processing circuit 17 is respectively connected with the output end of the laser emitting module 18 and the output end of the laser receiving module 20;
the output end of the laser emission module 18 is connected with the input end of the signal processing circuit 17 and is also connected with the input end of the emission optical system;
the input end of the APD detection module 19 is connected with the output end of the receiving optical system, and the output end is connected with the input end of the laser receiving module 20;
the laser light output by the transmitting optical system is projected on a diffuse reflection target and then reflected to the input end of the receiving optical system.
the transmission end of the microprocessor is connected with the serial port communication module;
the input end of the main wave detection control is connected with the first output end of the laser emitting module 18, and the output end of the main wave detection control is connected with the first input end of the microcontroller.
Laser instrument transmission module 18 of range module 4 includes laser emission drive control and laser instrument, wherein:
the input end of the laser emission driving control is connected with the output end of the microcontroller of the signal processing circuit 17;
the input end of the laser is connected with the output end of the laser emission driving control, and the second output end of the laser is connected with the input end of the emission optical system.
The laser receiving module 20 of the ranging module 4 comprises a pre-amplification control and a comparator, wherein:
the input end of the preamplification control is connected with the output end of the APD detection module 19;
the input end of the comparator is connected with the output end of the pre-amplification control, and the output end of the comparator is connected with the second input end of the microcontroller of the signal processing circuit 17.
And an APD detection module 19 of the distance measurement module 4 is an APD detector, and the input end of the APD detector is connected with the output end of the receiving optical system.
the Haisi master control board is respectively in signal connection with the flash memory module, the embedded memory and the FPGA circuit and is used for transmitting data signals, and the FPGA circuit is in signal connection with the OLED display screen 7 and is in signal connection with the analog video unidirectional signal and is used for outputting image signals;
the Hai Si main control board is connected with the first memory module and used for storing data;
the image signal processing unit is respectively in signal connection with the low-illumination detector 3 and the visible light detector 12 and is used for transmitting digital signals;
the image signal processing unit is connected with the second memory module and used for storing data;
the power supply chip is respectively in signal electrical connection with the low-illumination detector 3 and the visible light detector 12, and supplies power to the low-illumination detector 3 and the visible light detector 12.
The application process of this embodiment is as follows: under the condition of sufficient daytime light, a small daytime view field mode is adopted, when the device works, the microprocessor controls the laser to emit a thin laser beam to a target through the laser emission driving control, the laser beam is projected on a diffuse reflection target through the visible light lens 14 and the visible light detector 12 which are used as an emission optical system, the laser beam is reflected to the input end of the receiving optical system, the laser beam reflected by the target is received by the receiving optical system, the timer measures the time from emission to reception of the laser beam, and the distance from an observer to the target is calculated, so that the optical signal collection of target observation and identification under the condition of sufficient daytime light is realized.
The visible light lens 14, the visible light detector 12, the eyepiece 9, the OLED display screen 7, the battery assembly, the laser emitting module 18, the APD detector, the laser receiving module 20, and electronic components used in the present embodiment are all commercially available products in the prior art.
This embodiment adopts prior art to make, low light level camera lens 1, low light level detector 3, eyepiece 9, OLED display screen 7, battery pack, laser emission module 18, APD detector, laser receiving module 20 and the electronic components who uses are the commercial product of prior art.
The above description is only for the specific embodiments of the present invention, and the changes that can be easily conceived by those skilled in the art within the scope of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. A hand-held all-weather laser distance measuring device is characterized in that: the low-illumination infrared camera comprises a shell, a front cover assembly, a rear cover assembly and a battery assembly, wherein a battery bin is arranged at the lower part of the right side of the shell, the front cover assembly is arranged in front of the shell and fixedly connected with the front cover assembly, a low-illumination lens and a visible light lens of the front cover assembly face the outside, the rear cover assembly is arranged at the rear end of the shell and fixedly connected with the rear cover assembly, an eyepiece of the rear cover assembly faces the outside, an OLED display screen of the rear cover assembly is used for receiving imaging data transmitted by an imaging circuit of the front cover assembly, and the battery assembly is arranged in the battery bin, sealed and fixedly arranged in the battery bin through a battery cover and used for supplying power to the low-illumination detector, the visible light detector, a distance measuring module, the imaging circuit and the OLED display screen;
the front cover assembly comprises a front cover, a low-illumination lens, a low-illumination detector, a distance measuring module, a visible light lens, an imaging circuit and a visible light detector, wherein the low-illumination lens penetrates through the upper part of the front cover, the low-illumination detector is arranged behind the low-illumination lens, the distance measuring module is arranged side by side, the visible light lens penetrates through the lower part of the front cover, the visible light detector is arranged behind the visible light lens, the imaging circuit is arranged side by side, and the front cover assembly is fixedly connected with the shell through the front cover;
the rear cover assembly comprises a rear cover, an OLED display screen and an eyepiece, the front end of the rear cover is provided with the OLED display screen, the OLED display screen is used for receiving imaging data transmitted by an imaging circuit of the front cover assembly, the rear end of the rear cover is provided with the eyepiece in a penetrating mode and used for amplifying images of the OLED display screen, and the rear cover assembly is fixedly connected with the shell through the rear cover.
2. The hand-held all-weather laser ranging device as claimed in claim 1, wherein: the ranging module includes signal processing circuit, laser instrument transmission module, laser receiving module, APD detects module, transmission optical system and receiving optical system, wherein:
the output end of the signal processing circuit is connected with the input end of the laser emission module, and the input end of the signal processing circuit is respectively connected with the output end of the laser emission module and the output end of the laser receiving module;
the output end of the laser emission module is connected with the input end of the signal processing circuit and simultaneously connected with the input end of the emission optical system;
the input end of the APD detection module is connected with the output end of the receiving optical system, and the output end of the APD detection module is connected with the input end of the laser receiving module;
the laser light output by the transmitting optical system is projected on a diffuse reflection target and then reflected to the input end of the receiving optical system.
3. The hand-held all-weather laser ranging device of claim 2, wherein: the signal processing circuit of range finding module includes microcontroller, serial ports communication module and dominant wave detection control, wherein:
the transmission end of the microcontroller is connected with the serial port communication module;
the input end of the main wave detection control is connected with the first output end of a laser of the laser emitting module, and the output end of the main wave detection control is connected with the first input end of the microcontroller.
4. The hand-held all-weather laser ranging device as claimed in claim 2, wherein: the laser instrument of range finding module transmission module includes laser emission drive controlling part and laser instrument, wherein:
the input end of the laser emission driving control is connected with the output end of a microcontroller of the signal processing circuit;
the input end of the laser is connected with the output end of the laser emission driving control, and the second output end of the laser is connected with the input end of the emission optical system.
5. The hand-held all-weather laser ranging device as claimed in claim 2, wherein: the laser receiving module of the distance measuring module comprises a preamplification control part and a comparator, wherein:
the input end of the preamplification control is connected with the output end of the APD detection module;
the input end of the comparator is connected with the output end of the pre-amplification control, and the output end of the comparator is connected with the second input end of the microcontroller of the signal processing circuit.
6. The hand-held all-weather laser ranging device as claimed in claim 2, wherein: the APD detection module of the distance measurement module is an APD detector, and the input end of the APD detector is connected with the output end of the receiving optical system.
7. The hand-held all-weather laser ranging device of claim 1, wherein: the imaging circuit comprises a Hai Si main control board, an image signal processing unit and a power supply chip, wherein:
the Haisi master control board is respectively in signal connection with the flash memory module, the embedded memory and the FPGA circuit and is used for transmitting data signals, and the FPGA circuit is in signal connection with the OLED display screen and is in signal connection with the analog video unidirectional signal and is used for outputting images;
the Haesi main control board is connected with the first memory module and used for storing data;
the image signal processing unit is respectively in signal connection with the low-illumination detector and the visible light detector and is used for transmitting data signals;
the image signal processing unit is connected with the second memory module and used for storing data;
and the power supply chip is respectively in signal electric connection with the low-illumination detector and the visible light detector and supplies power to the low-illumination detector and the visible light detector.
8. The hand-held all-weather laser ranging device of claim 1, wherein: the laser ranging device is provided with a hand protecting belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123382523.1U CN216848144U (en) | 2021-12-31 | 2021-12-31 | Hand-held all-weather laser distance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123382523.1U CN216848144U (en) | 2021-12-31 | 2021-12-31 | Hand-held all-weather laser distance measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN216848144U true CN216848144U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123382523.1U Active CN216848144U (en) | 2021-12-31 | 2021-12-31 | Hand-held all-weather laser distance measuring device |
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| CN (1) | CN216848144U (en) |
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2021
- 2021-12-31 CN CN202123382523.1U patent/CN216848144U/en active Active
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