CN204993580U - Pulsed laser LED light filling lamp that tests speed - Google Patents
Pulsed laser LED light filling lamp that tests speed Download PDFInfo
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- CN204993580U CN204993580U CN201520582323.6U CN201520582323U CN204993580U CN 204993580 U CN204993580 U CN 204993580U CN 201520582323 U CN201520582323 U CN 201520582323U CN 204993580 U CN204993580 U CN 204993580U
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- led light
- speed
- light supplement
- supplement lamp
- pulse laser
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Abstract
The utility model discloses a pulsed laser LED light filling lamp that tests speed, these lamps and lanterns include LED light filling lamp, pulsed laser speed sensor and power converter. The utility model discloses in, increased the pulsed laser speed sensor on traditional LED traffic light filling lamp basis to adopt high -speed CPU as the intelligent control ware, it is poor both can to have avoided current traffic monitoring to take a candid photograph the effect night, and LED light filling lamp cooperates not good problem with the camera, can make full use of LED visible light luminance adjustable advantage save the electric energy moreover. This LED light filling lamp can be according to the luminance of target object motion speed regulation, if moving object surpasses the speed limit, then LED power is big more soon for speed, and luminance is high more, and high -speed object image is taken a candid photograph to the camera will be more clear.
Description
Technical field
The utility model relates to a kind of pulse laser and to test the speed LED light supplement lamp, the LED light supplement lamp that especially a kind of intelligent traffic administration system field uses.
Background technology
Nowadays, the effect that plays in urban transportation of CCTV camera is increasing.As " the 3rd eye " of traffic police, CCTV camera can grasp the flow, traffic public security situation etc. of vehicle around monitored crossing, section, pedestrian timely and accurately.Each section CCTV camera passes the realtime graphic of surveillance area back traffic control center in time, point duty personnel are made to grasp the traffic in each crossing and section in real time, such as: whether whether people from section vehicle flowrate, signal lamp normally work, have act of violating regulations and traffic accident to occur, and take suitable processing mode in time to help traffic control department.The image of video monitoring can be saved on the recording service device of traffic control center, as process traffic accident, unlawful practice, or even the evidence obtaining foundation of the various emergency case such as crime of peace security.But to evening, especially scarcely populated rural highway, bias light is very weak, and LED light supplement lamp must be adopted as video camera illumination compensation.Because light compensating lamp brightness is fixed, the too low meeting of illumination causes video camera pictures taken dim unintelligible; And the too high meeting of illumination causes video camera overexposure, the car plate of the motor vehicles of low-speed motion of taking pictures can only see a slice hickie, has had a strong impact on point duty personnel and has grasped crossing, Traffic Information in real time.
The pulsed semiconductor laser mode that tests the speed goes out average speed by the distance between measurement reception with transmitting and time indirect calculation, there is ranging far away, the feature that volume is little, which overcome the disadvantages such as the harmful effect that radar meter measuring speed is slow, wave beam is wide and Radiation On Human body health causes, there is stable performance, measure rapid, functional strong, the feature such as price is low, coordinate with LED light supplement lamp, by the brightness of control LED, flexible configuration light filling intensity, improve the definition of video camera shooting high speed transported object, both advantages can be given full play to.Therefore, a kind of pulse laser applied widely, that there is high reliability LED light supplement lamp that tests the speed is studied significant.
Summary of the invention
The purpose of this utility model is to provide a kind of pulse laser to test the speed LED light supplement lamp.This light fixture comprises LED light supplement lamp, pulse laser speed measuring device and power supply changeover device.The utility model adds pulse laser speed measuring device on traditional LED traffic light compensating lamp basis, and adopt high-speed CPU as intelligent controller, both existing traffic monitoring can have been avoided to capture weak effect night, LED light supplement lamp coordinates not good problem with video camera, and can make full use of the adjustable advantage saving electric energy of LED visible light brightness.
The technical solution of the utility model is: a kind of pulse laser tests the speed LED light supplement lamp, the built-in pulse laser speed measuring device of this LED light supplement lamp and power supply changeover device, described pulse laser speed measuring device comprises drive circuit, laser, optical receiver, amplification and rectification circuit, CPU processor.The rear portion of pulse laser speed measuring device is provided with power pack, and pulse laser speed measuring device front portion is connected with power supply changeover device, and power supply changeover device is connected with laser, is provided with optical receiver and LED chip in laser; Laser and optical receiver are placed in LED light supplement lamp interior forward end, are same plane with LED chip.In pulse laser speed measuring device, drive circuit, amplification and rectification circuit, CPU processor module and power supply changeover device are placed in LED light supplement lamp power pack.Drive circuit outputting standard square-wave signal, voltage is 5V, pulse frequency 1MHz; Laser transmitting power is 1W, and wavelength is 1310nm, and zlasing mode is single mode, angle of divergence 5mrd; Optical receiver is avalanche diode Si-APD, and sensitivity is not less than-50dBm; Amplification and rectification circuit is by inputting high bandwidth, amplification chip UA733CN and high speed (10ns) comparator device MAX9l3 of adjustable gain (10-400dB) form, can according to the energy size setting yield value of the echo-signal of specific finding range, and filtering can be carried out to signal, filtering noise signal; CPU processor carries out computing to signal, calculates moving target real-time speed and the direction of motion, and by algorithm for design, controls LED light supplement lamp input current size and time.
Described LED light supplement lamp is wide-angle traffic monitoring special lamp, and power is 40W, has IP65 degree of protection.
Described arranged in power converter is in LED light supplement lamp, and input voltage range is 100V-280V, and export two groups of power supplys, voltage is respectively 5V and 12V, powers to respectively pulse laser speed measuring device and LED light supplement lamp; 12V outlet line size of current can be controlled by CPU processor, and adjustable range is 1A-3A.
The utility model has the advantage of: certainty of measurement is high.Pulse laser in pulse laser speed measuring device is launched by laser continuous several times, arrive object back reflection with the light velocity to return to be received by the receiver, calculate distance by laser pulse method range measurement principle and obtain object distance, and then obtain the average speed in certain period by the distance of continuous measurement, because Measuring Time is extremely short, therefore this average speed can think instantaneous velocity, namely realizes testing the speed of pulse laser.Pulse laser speed measuring device and testee distance 200 meters within, test speed error is no more than 0.5%.Realize LED light supplement lamp brightness intelligence adjustable.The size of current of LED light supplement lamp is controlled by CPU processor module, relevant to the speed linearity of moving object.By setting test speed threshold value, can the brightness of Intelligent adjustment LED light supplement lamp, thus make car plate and the relevant information of the clear hypervelocity motor vehicle of taking pictures of video camera.Compact, energy-conserving and environment-protective.Pulse laser speed measuring device major part and power supply changeover device are positioned in LED light supplement lamp power pack, can not increase LED light supplement lamp volume; Meanwhile, because LED light supplement lamp drive current intelligence is adjustable, can saves energy more than 50%.
Accompanying drawing explanation
Fig. 1 is the utility model systematic schematic diagram;
Fig. 2 is the utility model product design figure;
In figure:
1-laser; 2-optical receiver; 3-LED chip; 4-power supply changeover device; 5-pulse laser speed measuring device; 6-power pack.
Embodiment
According to accompanying drawing, the utility model is further described.
As shown in Figure 1, the built-in pulse laser speed measuring device 5 of LED light supplement lamp and power supply changeover device 6.LED light supplement lamp is wide-angle traffic monitoring special lamp, and the total rated power of 9 LEDs chips 3 is 40W, has IP65 degree of protection.Pulse laser speed measuring device 5 comprises drive circuit, laser 1, optical receiver 2, amplification and rectification circuit, CPU processor module composition, is placed in LED light supplement lamp interior forward end.Drive circuit outputting standard square-wave signal, voltage is 5V, pulse frequency 1MHz; Laser transmitting power is 1W, and wavelength is 1310nm, and zlasing mode is single mode, angle of divergence 5mrd; Optical receiver is avalanche diode Si-APD, and sensitivity is greater than-50dBm; Amplification and rectification circuit is by inputting high bandwidth, amplification chip UA733CN and high speed (10ns) comparator device MAX9l3 of adjustable gain (10dB-400dB) form, can according to the energy size setting yield value of the echo-signal of specific finding range, and filtering can be carried out to signal, filtering noise signal; CPU processor module carries out computing to signal, calculates moving target real-time speed and the direction of motion, and by algorithm for design, controls LED light supplement lamp input current size and time.Power supply changeover device 4 is built in LED light supplement lamp power pack 6, and input voltage range is 100V-280V, exports four groups of power supplys, and three groups of voltages are 5V, and an other road is 12V, powers to respectively pulse laser speed measuring device 5 and LED chip 3; 12V outlet line size of current can be controlled by CPU processor, and adjustable range is 1A-3A.
As shown in Figure 2, LED light supplement lamp is rearranged by 9 high brightness LED chips 3, and rated power is 40W; Laser 1 and optical receiver 2 are placed in LED light supplement lamp interior forward end, are same plane with LED chip 3.In pulse laser speed measuring device 5, drive circuit, amplification and rectification circuit, CPU processor module and power supply changeover device 4 are placed in LED light supplement lamp power pack 6.LED light supplement lamp can according to target object movement velocity adjustment brightness, if moving object exceedes speed limit, speed faster then LED light supplement lamp power is larger, and brightness is higher, and video capture high-speed object image will be more clear.
Above-mentioned detailed description is illustrating for the utility model possible embodiments, and this embodiment is also not used to limit the scope of the claims of the present utility model, does not allly depart from the equivalence that the utility model does and implements or change, and all should be contained in the scope of the claims of this case.
Claims (3)
1. a pulse laser tests the speed LED light supplement lamp, it is characterized in that: the built-in pulse laser speed measuring device of this LED light supplement lamp and power supply changeover device, described pulse laser speed measuring device comprises drive circuit, laser, optical receiver, amplification and rectification circuit, CPU processor; The rear portion of pulse laser speed measuring device is provided with power pack, and pulse laser speed measuring device front portion is connected with power supply changeover device, and power supply changeover device is connected with laser, is provided with optical receiver and LED chip in laser; Laser and optical receiver are placed in LED light supplement lamp interior forward end, are same plane with LED chip; In pulse laser speed measuring device, drive circuit, amplification and rectification circuit, CPU processor module and power supply changeover device are placed in LED light supplement lamp power pack; Drive circuit outputting standard square-wave signal, voltage is 5V, pulse frequency 1MHz; Laser transmitting power is 1W, and wavelength is 1310nm, and zlasing mode is single mode, angle of divergence 5mrd; Optical receiver is avalanche diode Si-APD, and sensitivity is not less than-50dBm; Amplification and rectification circuit comprises amplification chip UA733CN and comparator device MAX9l3; CPU processor carries out computing to signal, calculates moving target real-time speed and the direction of motion, and by algorithm for design, controls LED light supplement lamp input current size and time.
2. pulse laser tests the speed LED light supplement lamp according to claim 1, it is characterized in that: described LED light supplement lamp is wide-angle traffic monitoring special lamp, and power is 40W, has IP65 degree of protection.
3. pulse laser tests the speed LED light supplement lamp according to claim 1, it is characterized in that: described arranged in power converter is in LED light supplement lamp, and input voltage range is 100V-280V, export two groups of power supplys, voltage is respectively 5V and 12V, powers to respectively pulse laser speed measuring device and LED light supplement lamp; 12V outlet line size of current can be controlled by CPU processor, and adjustable range is 1A-3A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582323.6U CN204993580U (en) | 2015-08-05 | 2015-08-05 | Pulsed laser LED light filling lamp that tests speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582323.6U CN204993580U (en) | 2015-08-05 | 2015-08-05 | Pulsed laser LED light filling lamp that tests speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993580U true CN204993580U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520582323.6U Expired - Fee Related CN204993580U (en) | 2015-08-05 | 2015-08-05 | Pulsed laser LED light filling lamp that tests speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108156353A (en) * | 2016-12-16 | 2018-06-12 | 廖彩姿 | Multi-section visible light monitoring photographic equipment |
-
2015
- 2015-08-05 CN CN201520582323.6U patent/CN204993580U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108156353A (en) * | 2016-12-16 | 2018-06-12 | 廖彩姿 | Multi-section visible light monitoring photographic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160805 |