CN208140934U - A kind of aerosol LIDAR device based on CCD imaging - Google Patents
A kind of aerosol LIDAR device based on CCD imaging Download PDFInfo
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- CN208140934U CN208140934U CN201820622895.6U CN201820622895U CN208140934U CN 208140934 U CN208140934 U CN 208140934U CN 201820622895 U CN201820622895 U CN 201820622895U CN 208140934 U CN208140934 U CN 208140934U
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Abstract
The utility model belongs to gasoloid technical field, and in particular to a kind of aerosol LIDAR device based on CCD imaging.Including overall structure device and external power supply power supply, the overall structure device includes focusing unit, electric connector and control unit automatically, the unit that focuses automatically is connected by the electric connector with the control unit, the unit that focuses automatically stated includes optical receiver module, CCD camera and focuses module automatically, and the control unit includes industrial personal computer, control circuit board, focuses unit thermostat module, control unit thermostat module, skylight cleaning module automatically.This aerosol LIDAR device based on CCD imaging ensure that the stability of longtime running optical path, it is convenient for disassembly and assembly, the steady operation under high temperature or arctic weather situation, it is smaller by dust, misty rain, frost interference, signal strength and quality are ensured, suitable for outdoor operation, the unattended ability of product is substantially increased.
Description
Technical field
The utility model belongs to gasoloid technical field, and in particular to a kind of aerosol laser based on CCD imaging
Radar installations.
Background technique
Laser radar can obtain the information of atmospheric molecule, particulate, be indispensable in meteorological, environmental protection industry (epi)
Monitoring device, application prospect are more and more extensive.But all inevitably there is geometry in back scattering atmospheric aerosol laser radar
The factor and system blind area, there are biggish errors for measurement result in several hundred meters of region near the ground.
The laser radar of CCD imaging is a kind of new technology studied, and is to utilize the letter in different pixels in CCD camera
Lateral scattering luminous intensity on number intensity recording laser light beam at different distance, obtains the information of aerosol by algorithm inverting,
Measurement range 20m~2km is effective supplement to back scattering laser radar.The domestic experiment for there was only some research institutes at present
Model machine, in the market temporarily without matured product application, the research and development of products for being engaged in this aspect has very big market value and social value,
The environment and meteorological level monitoring for promoting China are of great significance.Existing prototype equipment is used and is manually adjusted at present, speed
Slowly, technical requirements are high, and may be because vibrating so that optical path is changed after operation a period of time, and device generallys use one
Formula structure, it is difficult to dismount, the open air of high temperature or cold can not steady operation, and while using outdoors, is dry by dust, misty rain, frost
Disturb more serious, signal strength and quality can not ensure.
Utility model content
The purpose of the utility model is to provide a kind of aerosol LIDAR devices based on CCD imaging, solve background
The problems in technology ensure that the stability of longtime running optical path, and device is convenient for disassembly and assembly, under high temperature or arctic weather situation
Steady operation, it is smaller by dust, misty rain, frost interference, it has ensured signal strength and quality, has been suitable for outdoor operation, greatly improves
The unattended ability of product.
In order to achieve the goal above, the technical solution adopted in the utility model is：A kind of aerosol based on CCD imaging is sharp
Optical radar device, including overall structure device and external power supply power supply, the overall structure device include focus automatically unit,
Electric connector and control unit, the unit that focuses automatically are connected by the electric connector with the control unit,
The unit that focuses automatically includes optical receiver module, CCD camera and focuses module automatically, and the control unit includes work
Control machine, control circuit board focus unit thermostat module, control unit thermostat module, skylight cleaning module automatically.
Further, the unit that focuses automatically is connect with separate type above and below the control unit, and described is automatic
Light unit is connect with the control unit by the electric connector, the external power supply power supply and the control list
Member connection.
Further, the optical receiver module connection CCD camera, the CCD camera connect described
Focus module automatically, the CCD camera is located at the optical receiver module and described focuses automatically between module.
Further, the industrial personal computer connection control circuit board, the control circuit board control described
Focus that module, described to focus unit thermostat module, the control unit thermostat module and the skylight automatically clear automatically
Clean module.
The utility model has technical effect that：Overall structure device uses upper and lower separation design, is easily installed and tears open
It unloads, inside is equipped with insulating layer, sealing ring, plays the role of heat preservation, waterproof and dustproof, has IP55 degree of protection；Focus list automatically
Member ensure that the stability of longtime running optical path；Device interior design focuses unit thermostat module, control unit constant temperature automatically
Module ensures device steady operation under high temperature or arctic weather situation；Skylight cleaning module effectively removes on skylight
Dust, misty rain, frost etc. have ensured the intensity and quality of signal.
Detailed description of the invention
Fig. 1 is the complete machine device functional block diagram of the utility model；
Specific embodiment
Referring to attached drawing 1, a kind of aerosol LIDAR device based on CCD imaging, including overall structure device and outside
Power supply, the overall structure device include focusing unit, electric connector and control unit automatically, and described focuses automatically
Unit is connected by the electric connector with the control unit, state focus automatically unit include optical receiver module,
CCD camera and focus module automatically, the control unit includes industrial personal computer, control circuit board, focuses unit constant temperature mould automatically
Block, control unit thermostat module, skylight cleaning module.Optical receiver module includes external window and internal camera lens, optical filter
Equal components, wherein the positional relationship of camera lens and CCD camera determines the measurement altitude range of system, reaches needs by debugging
Equalization point；CCD camera converts optical signals into electric signal, and using industrial camera, the optical signal received is converted into electric signal,
It is communicated by USB with industrial personal computer, is one of core component of system；Module is focused automatically mainly by stepper motor and turbine and worm
Composition, judges whether optical path is in optimum state using software algorithm, controls the rotation of stepper motor, from pitch angle, roll angle
The rotation that worm and gear is driven with three orientation of yaw angle, so that the central axes of CCD camera camera lens are equal with laser beam direction
Row, realizes the function of focusing automatically, can prevent the offset of optical path, ensure that the stability of longtime running optical path；Lead in industrial personal computer
Usb communication is crossed, the signal of CCD camera acquisition is received, using algorithm inverting, obtains the vertical distribution letter of atmospheric aerosol particulate matter
Breath, by network communication, combines with the data of back scattering aerosol LIDAR, compensates for its blind area near the ground and transition
The disadvantage of region measurement data inaccuracy；Control circuit intralamellar part uses dual power supply, uses ARM single-chip microcontroller for processor, controls
The cleaning unit of skylight processed focuses unit automatically and focuses unit thermostat module, the normal fortune of control unit thermostat module automatically
Row, and by being communicated between RS232 and industrial personal computer, so that controlling the cleaning unit of skylight, focusing unit automatically and focus automatically
Unit thermostat module, control unit thermostat module can automatic running it is also remote controlled, meet outdoor unattended operation and want
It asks；By usb communication in industrial personal computer, the signal for receiving CCD camera acquisition obtains atmospheric aerosol particle using algorithm inverting
The vertical distribution information of object is combined by network communication with the data of back scattering aerosol LIDAR, and it is close to compensate for it
The disadvantage of ground blind area and transition region measurement data inaccuracy；External power supply power supply is using multiple Width funtions, wide temperature range
Switching Power Supply composition, Switching Power Supply are fixed on inside configuration, outside aviation electric connector multiple-channel output, degree of protection IP55,
Meet outdoor long-term running demand；Focus unit thermostat module automatically, control unit thermostat module includes Peltier, heat dissipation
Device, fan and temperature sensor, control circuit board detect the value of temperature sensor, can heat the spy with refrigeration using Peltier
Point builds H bridge type circuit, and using pid algorithm accurate temperature controlling, radiator and fan are for cooperating Peltier to use, in guarantee
Portion is in temperature constant state, it is ensured that partially to the stability of temperature change Sensitive Apparatus (such as optical filter) work；Skylight cleans mould
Block includes heating, water spray and the windscreen wiper of skylight, and skylight heating is for defrosting, and water spray and windscreen wiper are used for dedusting and demisting, guarantee
The cleaning of skylight, every night timing working, the time of work can also be arranged by the software on industrial personal computer.
Preferably, the unit that focuses automatically is connect with separate type above and below the control unit, and described is automatic right
Light unit is connect with the control unit by the electric connector, the external power supply power supply and the control unit
Connection.It is designed using upper and lower separate installment, focuses automatically and be easy to install and remove in unit and the control unit, it is intermediate
Electric connector connects two-part power supply up and down and control signal, inside setting high density foamed heat-insulating material and sealing ring,
Have the function of heat preservation, waterproof and dustproof, there is IP55 degree of protection, compact structure, integrated level height.
Preferably, the described optical receiver module connection CCD camera, the CCD camera connection it is described from
It is dynamic to optical module, the CCD camera is located at the optical receiver module and described focuses automatically between module.Optics connects
Receiving module includes window, optical filter and camera lens, adjusts the position of camera lens and CCD camera, thus it is possible to vary the measurement height of complete machine
Range reaches the equalization point of needs by debugging, and optical filter is located at the front end of camera lens, is fixed with snap ring, and CCD camera is using industry
Camera, is converted into electric signal for the optical signal received, is communicated by USB with industrial personal computer.
Preferably, the described industrial personal computer connection control circuit board, the control circuit board control it is described from
Dynamic focus automatically unit thermostat module, the control unit thermostat module and the skylight to optical module, described cleans
Module.Unit thermostat module is focused automatically as control unit thermostat module control principle, be using Peltier refrigeration and
Characteristic is heated, the PID closed-loop control tune of single-chip microcontroller is passed through in conjunction with NTC temperature acquisition using light-coupled isolation and H bridge control circuit
Section, to realize the conversion of refrigeration and heating；Fan and Peltier use simultaneously, accelerate the flowing of inner air, so that temperature
Stability is more preferable, and temperature control is more accurate, reaches within ± 0.2 DEG C.Control to skylight cleaning module includes to windscreen wiper, water spray and adding
The control of heat, using light-coupled isolation, relay driving is realized.
Claims (4)
1. a kind of aerosol LIDAR device based on CCD imaging, including overall structure device and external power supply power supply, described
Overall structure device include focusing unit, electric connector and control unit automatically, it is described focus automatically unit pass through it is described
Electric connector connected with the control unit, it is described focus automatically unit include optical receiver module, CCD camera and from
It moves to optical module, the control unit includes industrial personal computer, control circuit board, focuses unit thermostat module, control unit automatically
Thermostat module, skylight cleaning module.
2. the aerosol LIDAR device according to claim 1 based on CCD imaging, it is characterised in that：It is described from
It is dynamic that light unit is connect with separate type above and below the control unit, it is described focus automatically unit and the control unit by
The electric connector connection, the external power supply power supply are connect with the control unit.
3. the aerosol LIDAR device according to claim 1 based on CCD imaging, it is characterised in that：The light
The receiving module connection CCD camera is learned, focuses module, the CCD camera automatically described in the CCD camera connection
Positioned at the optical receiver module and described focus automatically between module.
4. the aerosol LIDAR device according to claim 1 based on CCD imaging, it is characterised in that：The work
The control machine connection control circuit board, the control circuit board control it is described focus module, described automatic right automatically
Light unit thermostat module, the control unit thermostat module and the skylight cleaning module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622895.6U CN208140934U (en) | 2018-04-27 | 2018-04-27 | A kind of aerosol LIDAR device based on CCD imaging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622895.6U CN208140934U (en) | 2018-04-27 | 2018-04-27 | A kind of aerosol LIDAR device based on CCD imaging |
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| Publication Number | Publication Date |
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| CN208140934U true CN208140934U (en) | 2018-11-23 |
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| CN201820622895.6U Active CN208140934U (en) | 2018-04-27 | 2018-04-27 | A kind of aerosol LIDAR device based on CCD imaging |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239758A (en) * | 2020-03-13 | 2020-06-05 | 苏州天准科技股份有限公司 | Map collecting device |
-
2018
- 2018-04-27 CN CN201820622895.6U patent/CN208140934U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239758A (en) * | 2020-03-13 | 2020-06-05 | 苏州天准科技股份有限公司 | Map collecting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 230088 Anhui city of Hefei province high tech Zone No. 2666 Xiyou Rd. Hefei Institute of technology innovation Academy of Engineering Research Building 5 layer Patentee after: Hefei Zhongke Guangbo Quantum Technology Co., Ltd Address before: 230000, 5 Rd floor, R & D building, Hefei Technological Innovation Engineering Institute, CAS 2666, Hefei hi tech Zone, Anhui Patentee before: HEFEI GUANGBO QUANTUM TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |