WO2012016426A1

WO2012016426A1 - Multifunctional self-focusing laser dazzler

Info

Publication number: WO2012016426A1
Application number: PCT/CN2011/001236
Authority: WO
Inventors: 孙建华; 汪东; 张团
Original assignee: 西安华科光电有限公司
Priority date: 2010-08-03
Filing date: 2011-07-28
Publication date: 2012-02-09
Also published as: CN201764895U

Abstract

A multifunctional self-focusing laser dazzler includes a laser ranging system, a self-focusing optical system, a single chip microcomputer and a grating feedback system (14). The laser ranging system, the self-focusing optical system and the grating feedback system (14) are connected with the single chip microcomputer respectively; the grating feedback system (14) is arranged in the emergent light path of the self-focusing optical system. Based on prior art of a laser source having a temperature control system providing a laser with sufficient energy, the laser dazzler monitors a dynamic target and measures distance with laser in real time, and adjusts the light spot in real time, so as always to maintain a relatively constant uniform light field spot. This ensures the effectiveness and safety of the laser dazzler when in use. Also including the information collection and recording functions of audio recording, video recording and illumination, the laser dazzler meets practical needs and has good prospects for use.

Description

Self-focusing multifunctional laser dazzle

Technical field

The utility model relates to a laser glare device, in particular to a self-focusing multifunctional laser glare device. Background technique

The laser glare is a kind of non-killing police equipment. Its principle is that it can cause short-term blindness to the human eye through the laser irradiation of safety level energy, so as to stop the crime and arrest the suspect. In the maintenance of public security such as peacekeeping, anti-terrorism and the suppression of criminal offences, as a non-contact, non-killing conventional equipment in confrontational conflicts, it has been more and more widely used.

As the laser beam for the laser glare, it is preferable to have a light spot having a uniform light field of 150 mm to 200 mm, and the amount of light passing through the unit surface should meet the laser safety level standard. The current laser glare can only achieve the above requirements at a certain distance, and beyond this distance, the spot converges into a strong laser, which may cause permanent disability. Some laser glare adds a manual adjustment of the spot setting, but since the target is in a dynamic state, manual adjustment is very difficult. Therefore, there are certain defects in the light field safety of laser glare.

Because laser glare is suitable for counter-terrorism and to stop violent conflicts, in actual work, it is not only to stop violent conflicts, but also to have on-site forensics tasks. Therefore, laser glare products have instant blinding To stop the development of a single function of conflict to multi-functional development.

Utility model content

In order to solve the above technical problems existing in the background art, the utility model provides a self-focusing multifunctional laser glare device which can adjust the light spot in real time, is safe and reliable, and has good application prospect.

The technical solution of the utility model is: The utility model provides a self-focusing multifunctional laser glare device, which is special in that: the self-focusing multifunctional laser glare device comprises a laser ranging system, and The focusing optical system, the single chip microcomputer and the grating feedback system; the laser ranging system, the self-focusing optical system and the grating feedback system are respectively connected to the single chip microcomputer; and the grating feedback system is disposed on the outgoing light path of the self-focusing optical system.

The laser ranging system includes a laser emitter, a laser receiver, and a laser ranging data processor; the laser emitter and the laser receiver are respectively connected to a laser ranging data processor; the laser ranging data processor and the single chip microcomputer Connected. The self-focusing optical system includes a focusing optical lens group, a motor driving circuit, a DC stepping motor, and a focusing transmission mechanism; the motor driving circuit is connected to the single chip microcomputer; the motor driving circuit drives the DC stepping motor; The stepper motor controls the focusing optical lens group through a focusing transmission mechanism.

The self-focusing multifunctional laser glare device further includes a constant energy laser source system; the constant energy laser source system is connected to the single chip microcomputer.

The constant energy laser source system comprises a laser module and a semiconductor refrigeration temperature control system; the laser module is connected to the single chip by a semiconductor refrigeration temperature control system; the laser module is connected to the single chip; the focusing optical lens group is set at The exit of the laser module on the light path.

The above laser module is a 400-532 nm laser module.

The self-focusing multifunctional laser glare device further includes a sound image taking recording system, and the sound image taking recording system is connected to the single chip microcomputer.

The audio-visual recording and recording system includes an image sound processing single-chip microcomputer MCU, a CMOS image sensor, a microphone, a storage, and a UBS data output interface; the CMOS image sensor, the microphone, the storage, and the UBS data output interface are respectively connected to the image sound processing single-chip microcomputer MCU; The image sound processing single chip MCU is connected to the single chip microcomputer.

The self-focusing multifunctional laser glare device further includes an LED illumination system; the LED illumination system is connected to the single chip microcomputer.

The above LED lighting system comprises an LED lamp and an LED driving circuit; the LED lamp is connected to the single chip microcomputer through the LED driving circuit.

The utility model provides a self-focusing multifunctional laser glare device, which is based on the prior art, that is, a laser source with a temperature control system provides sufficient energy for the laser while dynamic The target implements real-time monitoring and laser ranging, and adjusts the spot in real time to keep it in a relatively constant uniform light field spot, which not only ensures the effectiveness of the laser glare, but also ensures its safety. Meanwhile, the utility model It also has on-site forensics and recording functions such as recording, video recording and lighting, so that it has product functions and good application prospects that meet actual needs.

DRAWINGS

1 is a block diagram of the working principle of the self-focusing multifunctional laser glare device of the present invention;

2 is a front elevational view of a preferred self-focusing multifunctional laser glare provided by the present invention; Figure 3 is a side view of Figure 2.

detailed description

Referring to FIG. 1, the utility model relates to a self-focusing multifunctional laser glare device. The laser ranging system is composed of a laser emitter 7, a laser receiver 8 and a laser ranging data processor 6; a laser emitter 7 and laser receiving The units 8 are connected to the laser ranging data processor 6, respectively. The laser emitter 7 generally emits red light, the laser receiver 8 and the laser ranging data processor 6 can be any of the existing ones, as long as it can emit laser light, receive laser light, and various instruments capable of performing ranging data processing. Equipment is available.

The self-focusing optical system is composed of a motor driving circuit 10, a DC stepping motor 11, a focusing transmission mechanism 12, a focusing optical lens group 13, and a grating feedback system 14; the motor driving circuit 10 directly drives the DC stepping motor 11; The feed motor 11 controls the focus optical lens group 13 through a focus drive mechanism 12; the raster feedback system 14 is disposed on the outgoing light path of the focus optical lens group 13. The focus drive mechanism 12 is generally a combination of various gears or existing various commonly available focusable components. The motor drive circuit 10 provided by the present invention may be any existing circuit capable of driving a DC stepping motor. The DC stepping motor 11 may be any existing DC stepping motor, and the purpose thereof is to pass a direct current. The stepper motor makes the focusing drive mechanism automatically focus. The grating feedback system 14 is a commonly used grating, and all kinds of gratings can function as a grating.

The constant energy laser source system is composed of a laser module 15 and a semiconductor refrigeration temperature control system 16; the laser module 15 is directly connected to the single chip processing system through the semiconductor refrigeration temperature control system 16; the focusing optical lens group 13 is disposed on the laser module 15 Out of the light path. The semiconductor refrigeration temperature control system 16 can be any one of the existing semiconductor refrigeration element systems, as long as the laser module can be cooled.

The MCU processing system consists of MCU and data processing circuit 4, power supply DC power supply 5, and glare operation switch 3. The MCU and the data processing circuit 4 can be any existing processing circuit capable of data processing, and can be a CPU, a single chip microcomputer or other data processing circuit. The power supply DC power supply 5 can be used with any power source, such as a lithium battery, a nickel-cadmium battery or other existing DC power supply. The glare operation switch 3 can be any switch mode, which is mainly used to open or close the glare itself when it is electrically controlled.

The most important feature of the utility model is that the existing various commonly used components or instruments are recombined to form a fully functional glare device, and the various components or instruments are not modified.

The working principle of the utility model is as follows: When the glare operation switch 3 is turned on, the power supply of the DC power supply is 5, MCU The data processing circuit 4 enters the working state, the laser module 15 is activated, and the semiconductor refrigeration temperature control system 16 monitors, feeds back, and drives the laser module 15 to perform constant energy laser output. The standard spot diameter of the laser glare is 150mn! ~ 200mm, the initial distance is set at 5 meters. At the same time, the laser ranging system is turned on, the laser emitter 7 projects a laser beam to the moving target 9, and the reflected laser light is received by the laser receiver 8 and processed by the laser ranging data processor 6 to measure the real-time distance data. It is transmitted to the MCU4, and the MCU4 makes an instruction to start the motor drive circuit 10, drive the motor 11, and through the focus adjustment mechanism 12, change the focal length of the focus adjustment optical lens group 13, so that the laser spot 17 outputted to the measurement target distance is standard. The spot, and through the grating feedback system 14 disposed inside the laser glare, converts the focus result into an electrical signal and feeds it back to the MCU 4, and the MCU 4 makes an instruction to turn off the motor drive circuit 10 and stop the motor 11 to drive.

In order to make the use more convenient and the scope of use is wider, the present invention provides the above-mentioned self-focusing multi-function laser glare device, and also adds a sound image taking recording system and an LED lighting system based on the present invention.

The audio-visual recording system consists of a video operation switch 2, an image sound processing MCU 20, a CMOS image sensor 21, a MIC (microphone) 22, a memory 24, and a UBS data output interface 23; a CMOS image sensor 21, a MIC (microphone) 22, a memory 24 and the UBS data output interface 23 are respectively connected to the image sound processing MCU 20; the image sound processing MCU 20 is connected to the single chip microcomputer (MCU) processing system. The CMOS image sensor 21 can be any of the existing video capture devices, such as video heads or other image sensors. MIC (microphone) 22 is a very common variety of microphones are available. The storage device 24 can be a variety of storage devices, such as a hard disk or a storage device for a magnetic disk or other medium, and can be used in the present invention as long as it functions as a storage device.

The LED lighting system is composed of an LED operation switch 1, an LED drive circuit 18, and an LED lamp 19; the LED lamp 19 is connected to the single chip microcomputer (MCU) processing system through the LED drive circuit 18. The LED lamp 19 can be any of the existing LED lamps.

In the specific operation of the utility model, the audio-visual switch 2 is first turned on, and the power supply DC power supply 5 is powered, through the MCU and the data processing circuit 4, wherein the image sound processing MCU 20, the CMOS image sensor 21, and the MIC (microphone) 22 enter a working state. The image and sound of the target 9 scene are converted into electrical signals by the CMOS image sensor 21 and the MIC (microphone) 22, respectively, and transmitted to the image sound processing MCU 20 for processing, converted into a certain format audio and video file, and sent to the storage 24 for storage, or passed. The UBS data output interface 23 is derived. When recording audiovisual evidence in a low-light environment, LED switch 1 can be activated, DC power supply 5, through the MCU and data The circuit 4 activates the LED drive circuit 18 and the LED lamp 19 as illumination.

For convenience of description, a self-focusing multifunctional laser glare device according to the present invention is formed to form a preferred self-focusing multi-function laser glare device, see FIG. 2 and FIG. 3, which are specifically made of protective glass. The panel 25, the front outer casing 33, the rear outer casing 32 and the rear cover 34 are composed. One side of the front outer casing 33 is provided with an LED switch 1, an audio switch 2 and a glare switch 3, and the LED switch 1, the audio switch 2 and the glare switch 3 are electrically connected to the circuit board 31, respectively. The front casing 33 has a front chamber, and a front end is provided with an NIC (microphone) 22, a CMOS image sensor 21, an LED lamp 19, a ranging laser transmitter 7, a ranging laser receiver 8, and a self-focusing dazzling laser 26. The back end is provided with a circuit board 31. A USB data output plug 23, a data memory 24, and an MCU microcontroller 4 are also disposed on the circuit board 31. The front end of the rear casing 32 is connected to the front outer casing 33, and the rear end is connected to the rear cover 34. A DC power supply 5 is provided in the inner cavity of the rear casing 32. The DC power source 5 is electrically connected to the circuit board 31.

The MIC (microphone) 22 and the CMOS image sensor 21 are electrically connected to the image sound processing MCU 20, respectively. Image sound processing MCU20 is electrically connected to circuit board 31 and USB data output plug 23, data storage 24, MCU microcontroller 4 and audio switch 2.

The LED lamp 19 is electrically connected to the circuit board 31 and the LED switch 1.

Ranging Laser Transmitter 7. The Ranging Laser Receiver 8 is disposed at the front end of the laser ranging processor 6, and the laser ranging processor 6 is electrically connected to the circuit board 31 and the MCU MCU 4.

The self-focusing glare laser 26 is composed of a focusing optical lens group 13, a grating 27, a sensor 28, a focusing gear 29, a driving gear 30, a DC stepping motor 11, a laser module 15, and a semiconductor refrigeration temperature control system 16. Among them, the grating feedback system 14 is composed of a grating 27 disposed on the fixed member of the focusing optical lens group 13 and a sensor 28 on the moving member of the focusing optical lens group 13. The sensor 28 is electrically connected to the circuit board 31 and the MCU microcontroller 4. The focus adjustment mechanism 12 is composed of a drive gear 30 provided at one end of the DC stepping motor 11 and a focus gear 29 disposed on the moving member of the focus optical lens group 13. The DC stepping motor 11 is disposed on one side of the laser module 15 and electrically connected to the circuit board 31 and the MCU microcontroller 4. The focusing optical lens group 13 is disposed at the front end of the laser module 15, and the semiconductor cooling temperature control system 16 is disposed at the rear end of the laser module 15. The laser module 15 and the semiconductor refrigeration temperature control system 16 are electrically connected to the glare switch 3, the circuit board 31 and the MCU microcontroller 4, respectively.

Claims

Claim

A self-focusing multifunctional laser glare device, characterized in that: the self-focusing multifunctional laser glare device comprises a laser ranging system, a self-focusing optical system, a single chip microcomputer and a grating feedback system; The ranging system, the self-focusing optical system, and the grating feedback system are respectively connected to the single chip microcomputer; the grating feedback system is disposed on the outgoing light path of the self-focusing optical system.

2. The self-focusing multifunctional laser glare device according to claim 1, wherein: the laser ranging system comprises a laser emitter, a laser receiver, and a laser ranging data processor; And the laser receiver is respectively connected to the laser ranging data processor; the laser ranging data processor is connected to the single chip microcomputer.

3. The self-focusing multifunctional laser glare device according to claim 2, wherein: the self-focusing optical system comprises a focusing optical lens group, a motor driving circuit, a DC stepping motor, and a focusing transmission mechanism; The motor driving circuit is connected to the single chip microcomputer; the motor driving circuit drives the DC stepping motor; and the DC stepping motor controls the focusing optical lens group through a focusing transmission mechanism.

4. The self-focusing multifunctional laser glare device according to claim 3, wherein: the self-focusing multifunctional laser glare device further comprises a constant energy laser source system; the constant energy laser source system and The microcontroller is connected.

The self-focusing multifunctional laser glare device according to claim 4, wherein: the constant energy laser source system comprises a laser module and a semiconductor refrigeration temperature control system; and the laser module passes through a semiconductor cooling temperature The control system is connected to the single chip microcomputer; the laser module is connected to the single chip microcomputer; and the focusing optical lens group is disposed on the outgoing light path of the laser module.

6. The self-focusing multifunctional laser glare according to claim 5, wherein: the laser module is a 400-532 nm laser module.

The self-focusing multifunctional laser glare device according to any one of claims 1 to 6, wherein: the self-focusing multifunctional laser glare device further comprises a sound image capturing and recording system, the audio image The ingest recording system is connected to the microcontroller.

8. The self-focusing multifunctional laser glare device according to claim 7, wherein: the audio-visual recording and recording system comprises an image sound processing single-chip microcomputer MCU, a CMOS image sensor, a microphone, a memory, and a UBS data output interface; The CMOS image sensor, the microphone, the storage, and the UBS data output interface are respectively connected to the image sound processing single chip MCU; the image sound processing single chip MCU is connected to the single chip microcomputer.

The self-focusing multifunctional laser glare device according to any one of claims 1 to 6, wherein the self-focusing multifunctional laser glare device further comprises an LED illumination system; The system is connected to the microcontroller.

10. The self-focusing multifunctional laser glare device according to claim 9, wherein: the LED illumination system comprises an LED lamp and an LED driving circuit; and the LED lamp is connected to the single chip microcomputer through the LED driving circuit.