阅读说明：本技术 一种户外便携式红外扫描气溶胶激光雷达系统 (Outdoor portable infrared scanning aerosol laser radar system ) 是由 张帅 况志强 施奇兵 刘�东 于 2020-06-23 设计创作，主要内容包括：本发明公开了一种户外便携式红外扫描气溶胶激光雷达系统,包括云台、处理器、激光发射模块、光电探测模块、电源模块、温度控制模块和辅助模块,所述的云台、激光发射模块、光电探测模块、电源模块、温度控制模块和辅助模块分别与处理器电连接,本发明克服了现有技术的不足,该系统使用红外波长的激光器光源,可有效提高监测设备的隐蔽性,提升了系统的安全性；紧凑的结构设计降低了激光雷达设备的体积和重量；温度控制模块使设备户外环境适应性大大提高；扫描探测方式增强了激光雷达设备的探测范围。(The invention discloses an outdoor portable infrared scanning aerosol laser radar system, which comprises a holder, a processor, a laser emission module, a photoelectric detection module, a power supply module, a temperature control module and an auxiliary module, wherein the holder, the laser emission module, the photoelectric detection module, the power supply module, the temperature control module and the auxiliary module are respectively and electrically connected with the processor; the compact structural design reduces the volume and weight of the laser radar equipment; the temperature control module greatly improves the outdoor environment adaptability of the equipment; the scanning detection mode enhances the detection range of the laser radar equipment.)

1. The utility model provides an outdoor portable infrared scanning aerosol laser radar system, its characterized in that, includes cloud platform, treater, laser emission module, photoelectric detection module, power module, temperature control module and auxiliary module, cloud platform, laser emission module, photoelectric detection module, power module, temperature control module and auxiliary module be connected with the treater electricity respectively.

2. An outdoor portable infrared scanning aerosol lidar system according to claim 1, wherein the laser emission module comprises a semiconductor laser, a beam expander and a reflector, the semiconductor laser is a laser with an emission wavelength in an infrared band, and the beam expander and the reflector are disposed on a light path of laser light emitted by the semiconductor laser.

3. An outdoor portable infrared scanning aerosol lidar system according to claim 2, wherein the semiconductor laser emission wavelength is 1064nm or 1550 nm.

4. An outdoor portable infrared scanning aerosol lidar system according to claim 1, wherein the temperature control module comprises a temperature sensor and a temperature reduction device.

5. An outdoor portable infrared scanning aerosol lidar system of claim 1, wherein the auxiliary module comprises a GPS module, an electronic compass, and a network module.

6. An outdoor portable infrared scanning aerosol lidar system according to claim 1, wherein the photodetection module is a Si avalanche photodetector or an InGaAs avalanche photodetector.

Technical Field

The invention relates to the technical field of aerosol laser radar systems, in particular to an outdoor portable infrared scanning aerosol laser radar system.

Background

The development of the laser radar has been decades, aerosol laser radar has been widely used for detection in the fields of weather, environmental protection and the like, but mainly adopts lasers with wavelengths of 355nm and 532nm as a transmitting light source, the laser radar transmits high-energy visible laser to human eyes, and the laser radar has no concealment as monitoring equipment and has great harm to human eyes; the whole volume and the weight of the system are large, the structure is relatively complex, and the installation and the debugging are inconvenient; at present, the laser radar mainly detects the vertical position of a fixed point, can only obtain the vertical profile of a single point, cannot detect the atmospheric conditions in an area, and has large use limitation.

Disclosure of Invention

The invention aims to provide an outdoor portable infrared scanning aerosol laser radar system, which overcomes the defects of the prior art.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

the utility model provides an outdoor portable infrared scanning aerosol laser radar system, includes cloud platform, treater, laser emission module, photoelectric detection module, power module, temperature control module and auxiliary module, cloud platform, laser emission module, photoelectric detection module, power module, temperature control module and auxiliary module be connected with the treater electricity respectively.

Further, laser emission module includes semiconductor laser, beam expanding mirror and speculum, semiconductor laser is the laser instrument that emission wavelength is infrared band, beam expanding mirror and speculum set up in the light path of the laser that semiconductor laser launches.

Further, the emission wavelength of the semiconductor laser is 1064nm or 1550 nm.

Further, the temperature control module comprises a temperature sensor and a cooling device.

Further, the auxiliary module comprises a GPS module, an electronic compass and a network module.

Further, the photoelectric detection module is a Si avalanche photodetector or an InGaAs avalanche photodetector.

Compared with the prior art, the invention has the following implementation effects: the system uses the laser light source with infrared wavelength, so that the concealment of the monitoring equipment can be effectively improved, and the safety of the system is improved; the compact structural design reduces the volume and weight of the laser radar equipment; the temperature control module greatly improves the outdoor environment adaptability of the equipment; the scanning detection mode enhances the detection range of the laser radar equipment.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the outdoor portable infrared scanning aerosol laser radar system comprises a holder, a processor, a laser emission module, a photoelectric detection module, a power module, a temperature control module and an auxiliary module, wherein the holder, the laser emission module, the photoelectric detection module, the power module, the temperature control module and the auxiliary module are respectively electrically connected with the processor, the power module supplies power to the whole system, and the power module adopts a lithium ion rechargeable battery or an external power supply.

The holder can receive control data sent by the processor and realizes rotation in the horizontal and vertical directions, and the processor, the laser emission module, the photoelectric detection module, the power supply module, the temperature control module and the auxiliary module are all installed on the holder.

The laser emission module comprises a semiconductor laser, a beam expander and a reflector, the beam expander and the reflector are arranged on a light path of laser emitted by the semiconductor laser, the semiconductor laser is a laser with an emission wavelength of an infrared band, the emission wavelength of the semiconductor laser is 1064nm, and the semiconductor laser with the emission wavelength of 1550nm can be selected according to actual needs.

The temperature control module comprises a temperature sensor and a cooling device, the temperature control module is used for controlling the working environment temperature of the laser emission module, the photoelectric detection module, the auxiliary module and the processor, the temperature sensor and the cooling device are electrically connected with the processor, the processor can control the work of the cooling device according to data sent by the temperature sensor to cool the environment, the cooling device uses an electric fan, and a semiconductor refrigerator or a cooling fin can also be used for replacing the electric fan.

The auxiliary module comprises a GPS module, an electronic compass and a network module, the GPS is used for positioning the position of the system and transmitting position information to the processor, the electronic compass is used for detecting the scanning angle of the holder during rotation and transmitting the information to the processor, the network module is used for communicating the system with the computer and transmitting the data acquired by the photoelectric detection module, the position information of the system and the scanning angle of the holder to the computer. And the photoelectric detection module is a Si avalanche photodetector, and an InGaAs avalanche photodetector can be used for replacing the Si avalanche photodetector.

When the system is used, the network module receives scanned pitch angle and horizontal rotation starting angle data and transmits the scanned pitch angle and horizontal rotation starting angle data to the processor, the processor processes the data according to the data collected by the electronic compass and the GPS module and then sends the data to the holder, the holder drives the semiconductor laser, the photoelectric detection module and the like to rotate according to the scanned pitch angle and horizontal rotation starting angle, the electronic compass collects rotation angle information of the holder, the GPS module collects position information of the system, sends the rotation angle information and the position information to the processor, and then sends the rotation angle information and the position information to the computer through the network module; the semiconductor laser emits laser, the laser beam reaches the atmosphere after the beam expander and the reflector are expanded, under the reflection and refraction effects of the atmosphere, the photoelectric detection module receives a reflected laser signal, then the reflected laser signal is converted into an electric signal and sent to the processor, the electric signal is processed by the processor and then sent to the computer for further processing through the network module, and the computer processes data on a map to generate a three-dimensional aerosol distribution map.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.