CN206489275U - A kind of autoalarm for being used to detect laser scanning and ranging instrument window pollution - Google Patents
A kind of autoalarm for being used to detect laser scanning and ranging instrument window pollution Download PDFInfo
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- CN206489275U CN206489275U CN201621410407.2U CN201621410407U CN206489275U CN 206489275 U CN206489275 U CN 206489275U CN 201621410407 U CN201621410407 U CN 201621410407U CN 206489275 U CN206489275 U CN 206489275U
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Abstract
The utility model provides a kind of autoalarm for being used to detect laser scanning and ranging instrument window pollution, including：Laser emission and reception window, the window carry angle of inclination, transmitted positioned at the front of generating laser and receiver for laser；Light-sensitive detector is received, for receiving the detection light returned；Condenser lens, positioned at receiving before light-sensitive detector, the detection light of return is focused；Detection light is launched and receiving circuit, transmitting and reception operation for perform detection light；Circuit is controlled, the electrical control operation of whole device is performed.It is provided by the utility model to be used to detect that the autoalarm of laser scanning and ranging instrument window pollution is used effectively in the windows detecting device of Laser Distance Measuring Equipment or miscellaneous equipment, and can be good at realizing the alarm alarm function of window pollution, it is with low cost, it is safe and reliable.
Description
Technical field
The utility model belongs to photoelectric detection technology field, it particularly relates to which a kind of be used to detect laser scanning and ranging
The autoalarm of instrument window pollution.
Background technology
With expanding economy, laser scanning and ranging instrument is in intelligent transportation, harbour anticollision, vehicle identification and overrun testing etc.
Field is widely applied.Although the window of laser scanning and ranging equipment has carried out specially treated, have dust-proof, waterproof, frost prevention,
The function of anti-fogging, but because equipment component use environment is severe, it is impossible to avoid oil pollution.Although equipment itself detects echo
It can be alarmed, but reliability is relatively low, it is impossible to exclude the reasons such as the circuit devcie exception of equipment itself and cause wrong report,
Therefore a kind of window pollution detection means is added in Laser Distance Measuring Equipment to be particularly important.
Utility model content
Detect that laser scanning and ranging instrument window is dirty the utility model proposes a kind of being used for based on reflection or transmission principle
The autoalarm of dye, described device can effectively reliable detection window pollute and alarmed.
A kind of autoalarm for being used to detect laser scanning and ranging instrument window pollution, including：Laser emission and reception
Window, the window carries angle of inclination, is transmitted positioned at the front of generating laser and receiver for laser；Receive photodetector
Device, for receiving the detection light returned；Condenser lens, positioned at receiving before light-sensitive detector, the detection light of return is focused；
Detection light is launched and receiving circuit, transmitting and reception operation for perform detection light；Circuit is controlled, the electricity of whole device is performed
Gas control operation.
Further, receive light-sensitive detector and be arranged on beneath window, window top is provided with white diffusing reflection band；Work as dirt
When contaminating thing pollution window, the light of laser range finder transmitting occurs diffusing reflection turnover in window and upwardly propagated, then by white diffusing reflection
Band scattering is propagated downwards, is received light-sensitive detector and is received the flashlight assembled by condenser lens and trigger alarm.
The both sides up and down that another detection method, emitting diode and reception light-sensitive detector are separately mounted to window are carried out
To penetrating reception, after contaminants window, the light that emitting diode is sent can not be received light-sensitive detector and received by window
Less than detection light and then triggering alarm.
Further, the detection light of transmitting and the reception of the emitting diode and reception light-sensitive detector is infrared light.
Further, the group number of the emitting diode and reception light-sensitive detector is one or more groups of.
Further, the window is annular or other shapes of plane.
Further, the light that the window transmission laser range finder and emitting diode are sent.
Further, the emitting diode and reception light-sensitive detector have respective transmitting and receiving circuit, and
And have automatic alarming control circuit, and send Laser Distance Measuring Equipment to.
It is provided by the utility model to be used to detect that the autoalarm of laser scanning and ranging instrument window pollution have
The use of effect can be good at realizing window pollution in Laser Distance Measuring Equipment or the windows detecting device of other equipment
Alarm alarm function, it is with low cost, it is safe and reliable.
Brief description of the drawings
Fig. 1 be embodiment 1 in based on principle of reflection window pollution autoalarm structure chart.
Fig. 2 is the principle of reflection window pollution autoalarm light path schematic diagram in embodiment 1.
Fig. 3 be embodiment 2 in based on transmission principle window pollution autoalarm structure chart.
Fig. 4 is the transmission principle window pollution autoalarm light path schematic diagram in embodiment 2.
Reference：
1- receives the white diffusing reflection band of light-sensitive detector, 2- tilted windows, 3- condenser lenses, 4-, 5- emitting diodes, F-
Laser scanning transmitter, W- pollutants.
Embodiment
It is used to detect laser scanning and ranging instrument window to described in the utility model with specific embodiment below in conjunction with the accompanying drawings
The autoalarm of pollution is illustrated.
Being used for based on principle of reflection of embodiment 1 detects the autoalarm of laser scanning and ranging instrument window pollution
As shown in fig. 1 laser scanning and ranging instrument window pollution is detected there is provided a kind of being used for based on principle of reflection
Autoalarm, including：Laser emission and window 2 is received, the window carries angle of inclination, positioned at generating laser and connecing
The front for receiving device is transmitted for laser；Light-sensitive detector 1 is received, for receiving the detection light returned；Condenser lens 3, positioned at reception
Before light-sensitive detector 1, the detection light of return is focused；Detection light is launched and receiving circuit, the hair for perform detection light
Penetrate and receive operation；Circuit is controlled, the electrical control operation of whole device is performed.
As shown in figs. 1 and 2, receive light-sensitive detector 1 and be arranged on the lower section of window 2, it is unrestrained anti-that the top of window 2 is provided with white
Penetrate band；When contaminants window 2, the light of laser range finder transmitting occurs diffusing reflection turnover in window and upwardly propagated, then by
White diffusing reflection band 4 scatters downward propagation, receives light-sensitive detector 1 and receives the flashlight assembled by condenser lens 3 and trigger report
It is alert.
The window 2 is annular or other shapes of plane.The light that the transmission laser rangefinder of window 2 is sent.
Receiving light-sensitive detector 1 has receiving circuit, and has automatic alarming control circuit, and sends Laser Distance Measuring Equipment to.
Being used for based on transmission principle of embodiment 2 detects the autoalarm of laser scanning and ranging instrument window pollution
As shown in Figure 3 laser scanning and ranging instrument window pollution is detected there is provided a kind of being used for based on transmission principle
Autoalarm, including：Laser emission and window 2 is received, the window carries angle of inclination, positioned at generating laser and connecing
The front for receiving device is transmitted for laser；Light-sensitive detector 1 is received, for receiving the detection light returned；Condenser lens 3, positioned at reception
Before light-sensitive detector 1, the detection light of return is focused；Detection light is launched and receiving circuit, the hair for perform detection light
Penetrate and receive operation；Circuit is controlled, the electrical control operation of whole device is performed.
As shown in Figures 3 and 4, emitting diode 5 and reception light-sensitive detector 1 are separately mounted to the both sides up and down of window 2
Carry out to penetrating reception, after contaminants window 2, the light that emitting diode 5 is sent can not receive photosensitive visit by window 2
Device 1 is surveyed not receive detection light and then trigger alarm.
The detection light of transmitting and the reception of the emitting diode 5 and reception light-sensitive detector 1 is infrared light.The transmitting
The group number of diode 5 and reception light-sensitive detector 1 can be one or more groups of.The window 2 can be annular or other shapes
The plane of shape.The light that the transmission laser rangefinder of window 2 and emitting diode 5 are sent.The emitting diode 5 and reception
Light-sensitive detector 1 has respective transmitting and receiving circuit, and has automatic alarming control circuit, and sends laser ranging to
Equipment.
It is provided by the utility model to be used to detect that the autoalarm of laser scanning and ranging instrument window pollution have
The use of effect can be good at realizing window pollution in Laser Distance Measuring Equipment or the windows detecting device of other equipment
Alarm alarm function, it is with low cost, it is safe and reliable.
The specific embodiment of the utility model patent is the foregoing is only, not to limit protection model of the present utility model
Enclose, all any modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc. should be included in this
Within the protection domain of utility model.
Claims (8)
1. a kind of autoalarm for being used to detect laser scanning and ranging instrument window pollution, it is characterised in that including：Laser is sent out
Window is penetrated and receives, the window carries angle of inclination, is transmitted positioned at the front of generating laser and receiver for laser；Receive
Light-sensitive detector, for receiving the detection light returned；Condenser lens, positioned at receiving before light-sensitive detector, by the detection light of return
It is focused；Detection light is launched and receiving circuit, transmitting and reception operation for perform detection light；Circuit is controlled, is performed whole
The electrical control operation of individual device.
2. the autoalarm according to claim 1 for being used to detect laser scanning and ranging instrument window pollution, its feature
It is, receives light-sensitive detector and be arranged on beneath window, window top is provided with white diffusing reflection band；When contaminants window
When, the light of laser range finder transmitting occurs diffusing reflection turnover in window and upwardly propagated, then is passed by the scattering of white diffusing reflection band is downward
Broadcast, receive light-sensitive detector and receive the flashlight assembled by condenser lens and trigger alarm.
3. the autoalarm according to claim 1 for being used to detect laser scanning and ranging instrument window pollution, its feature
It is, the progress of both sides up and down that emitting diode and reception light-sensitive detector are separately mounted to window works as pollutant to penetrating reception
Pollute after window, the light that emitting diode is sent can not be received light-sensitive detector and do not received detection light and then touched by window
Transmit messages police.
4. the autoalarm according to claim 3 for being used to detect laser scanning and ranging instrument window pollution, its feature
It is, the detection light of transmitting and the reception of the emitting diode and reception light-sensitive detector is infrared light.
5. the autoalarm according to claim 4 for being used to detect laser scanning and ranging instrument window pollution, its feature
It is, the emitting diode and the group number for receiving light-sensitive detector are one or more groups of.
6. being used for according to Claims 2 or 3 detects the autoalarm of laser scanning and ranging instrument window pollution, it is special
Levy and be, the window is planar annular.
7. the autoalarm according to claim 6 for being used to detect laser scanning and ranging instrument window pollution, its feature
It is, the light that the window transmission laser range finder and emitting diode are sent.
8. the autoalarm according to claim 4 for being used to detect laser scanning and ranging instrument window pollution, its feature
It is, the emitting diode and reception light-sensitive detector have respective transmitting and receiving circuit, and have automatic alarm
Circuit is controlled, and sends Laser Distance Measuring Equipment to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621410407.2U CN206489275U (en) | 2016-12-21 | 2016-12-21 | A kind of autoalarm for being used to detect laser scanning and ranging instrument window pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621410407.2U CN206489275U (en) | 2016-12-21 | 2016-12-21 | A kind of autoalarm for being used to detect laser scanning and ranging instrument window pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206489275U true CN206489275U (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621410407.2U Active CN206489275U (en) | 2016-12-21 | 2016-12-21 | A kind of autoalarm for being used to detect laser scanning and ranging instrument window pollution |
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| Country | Link |
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| CN (1) | CN206489275U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941818A (en) * | 2017-11-09 | 2018-04-20 | 西安惠迪诺华电子科技股份有限公司 | A kind of optics fire detector window pollution detection device |
| CN108122416A (en) * | 2017-11-27 | 2018-06-05 | 北京因泰立科技有限公司 | A kind of multilane Vehicles separation laser system |
| CN108254388A (en) * | 2017-12-15 | 2018-07-06 | 无锡亮源激光技术有限公司 | A kind of laser range finder lens contamination detection device |
| CN112739488A (en) * | 2018-08-22 | 2021-04-30 | 奥托立夫开发公司 | Device and method for detecting laser welding protective glass |
| WO2022213657A1 (en) * | 2021-04-06 | 2022-10-13 | 上海禾赛科技有限公司 | Optical assembly detection system for lidar and lidar |
| CN116125437A (en) * | 2023-04-19 | 2023-05-16 | 山东鼎瞰智能科技发展有限公司 | Safety laser scanner and optical window detection method thereof |
-
2016
- 2016-12-21 CN CN201621410407.2U patent/CN206489275U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941818A (en) * | 2017-11-09 | 2018-04-20 | 西安惠迪诺华电子科技股份有限公司 | A kind of optics fire detector window pollution detection device |
| CN108122416A (en) * | 2017-11-27 | 2018-06-05 | 北京因泰立科技有限公司 | A kind of multilane Vehicles separation laser system |
| CN108122416B (en) * | 2017-11-27 | 2020-08-04 | 北京因泰立科技有限公司 | Multilane vehicle separation laser system |
| CN108254388A (en) * | 2017-12-15 | 2018-07-06 | 无锡亮源激光技术有限公司 | A kind of laser range finder lens contamination detection device |
| CN112739488A (en) * | 2018-08-22 | 2021-04-30 | 奥托立夫开发公司 | Device and method for detecting laser welding protective glass |
| WO2022213657A1 (en) * | 2021-04-06 | 2022-10-13 | 上海禾赛科技有限公司 | Optical assembly detection system for lidar and lidar |
| CN116125437A (en) * | 2023-04-19 | 2023-05-16 | 山东鼎瞰智能科技发展有限公司 | Safety laser scanner and optical window detection method thereof |
| CN116125437B (en) * | 2023-04-19 | 2023-07-14 | 山东鼎瞰智能科技发展有限公司 | Safety laser scanner and optical window detection method thereof |
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