CN110031866A - A kind of high-precision laser radar installations for pollutant measurement - Google Patents
A kind of high-precision laser radar installations for pollutant measurement Download PDFInfo
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- CN110031866A CN110031866A CN201910287328.9A CN201910287328A CN110031866A CN 110031866 A CN110031866 A CN 110031866A CN 201910287328 A CN201910287328 A CN 201910287328A CN 110031866 A CN110031866 A CN 110031866A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to a kind of high-precision laser radar installations for pollutant measurement, including Laser room, transfer chamber, receiving chamber and compression mechanism, laser and cooling mechanism are equipped in Laser room, receiver is equipped in receiving chamber, compression mechanism includes compression plate, tracheae and lifting assembly, lifting assembly includes top plate, slide plate, lifting unit, fixed cell and two support units, cooling mechanism includes water tank, sealing plate, water pump, cooling pipe, jet pipe, several spray heads and several cooling fins, the high-precision laser radar installations for being used for pollutant measurement is compressed by compression mechanism to indoor air is transmitted, increase the concentration of contaminant gases and the attenuation degree of laser, improve the sensitivity of equipment detection, moreover, laser is carried out by cooling mechanism to continue absorbing and cooling temperature, so that laser Output that can be more stable under low-temperature condition, is conducive to the precise measurement of equipment, improves the practicability of the equipment.
Description
Technical field
The present invention relates to optoelectronic device field, in particular to a kind of high-precision laser for pollutant measurement
Radar installations.
Background technique
The basic principle of laser radar detection method is Difference Absorption measurement, i.e., is surveyed using the absorption characteristic of under test gas molecule
Air pollutant concentration is measured, Difference Absorption measures two pulses similar in same optical path launch wavelength of the laser radar into atmosphere
Light, one of wavelength are on the Absorption Line of under test gas, it is absorbed strongly by under test gas, and another wavelength is in
Outside the edge or Absorption Line of under test gas Absorption Line, under test gas is to its absorption very little or almost without two beam laser return
The difference of intensity of wave is only as caused by the absorption of under test gas molecule, can be with thus according to the difference of two wavelength echo strengths
Determine the concentration of under test gas molecule.Laser radar atmospheric pollution measuring system is increasingly being applied to air environmental pollution
Monitoring and research, it has also become the New Generation High-tech means of a wide range of fast slowdown monitoring atmospheric environment are polluted in Air Close To The Earth Surface and supervised
Routine monitoring means irreplaceable role has been played in survey.
But existing laser radar apparatus is when measuring pollutant, when the concentration of contaminant gases is smaller
When, since laser beam propagation path is limited, under test gas concentration is low, leads to the reduction of gas attenuation degree, and equipment can not be examined accurately
The concentration of under test gas is surveyed, moreover, since equipment is run by laser, and laser can generate big calorimetric at work
Amount, causes the working media of laser to heat up, so that the characteristics such as the wavelength of laser, output power, mode stability are influenced, it is right
Measurement result generates interference effect, further reduced measurement of the existing laser radar apparatus to pollutant.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of for atmosphere pollution
The high-precision laser radar installations of object measurement of concetration.
The technical solution adopted by the present invention to solve the technical problems is: a kind of height for pollutant measurement
Precision laser radar installations, including Laser room, transfer chamber, receiving chamber, controller and compression mechanism, the transfer chamber are fixed on sharp
Between light room and receiving chamber, it is equipped with opening on the inner wall of the two sides of the transfer chamber, filter is equipped in the opening, it is described to swash
It is equipped with laser and cooling mechanism in light room, is equipped with receiver in the receiving chamber, the controller is fixed on receiving chamber, institute
It states and is equipped with PLC in controller, the laser and receiver are electrically connected with PLC;
The compression mechanism includes compression plate, tracheae and lifting assembly, the periphery of the compression plate and the inner wall of transfer chamber
It is tightly connected, the lifting assembly is located at the top of compression plate, and the tracheae is connected to by compression plate with transfer chamber, the tracheae
Interior to be equipped with valve, the valve is electrically connected with PLC, the lifting assembly include top plate, slide plate, lifting unit, fixed cell and
Two support units, the both ends of the top plate pass through respectively two support units be arranged in Laser room top and receiving chamber it is upper
Side, the slide plate are located between two support units, and the lifting unit and compression plate are sequentially connected, the valve and PLC electricity
Connection, the fixed cell are located at the top of top plate;
The cooling mechanism includes water tank, sealing plate, water pump, cooling pipe, jet pipe, several spray heads and several cooling fins, institute
The periphery for stating sealing plate is fixed on the inner wall of Laser room, and the water tank is fixed on the lower section of sealing plate, and the one of the cooling pipe
End is connected to the bottom of water tank, and the other end of the cooling pipe passes through sealing plate and is connected to water pump, and the cooling pipe is wrapped in sharp
On light device, for the cooling pipe along the axis Spiral distribution of laser, the jet pipe is located at the top of sealing plate, the jet pipe with
Water pump connection, the sealing plate are equipped with several apertures, and the aperture is located at the surface of water tank, and the cooling fin is fixed on close
The top of the top of sealing plate, the Laser room is equipped with water filling port, and the water pump is electrically connected with PLC.
Preferably, in order to control compression plate lifting moving, the lifting unit includes motor, screw rod and casing, described
Motor is fixed on the top of slide plate, the top transmission connection of the motor and screw rod, and the motor is electrically connected with PLC, the silk
The bottom end of bar is arranged in casing, described sleeve pipe with the junction of screw rod be equipped with the matched screw thread of screw rod, described sleeve pipe is solid
It is scheduled on the top of compression plate.
Preferably, the driving force in order to guarantee motor, the motor is DC servo motor.
Preferably, the support unit includes riser, sliding rail and slip ring for support skid sliding, two supports are single
Riser in member is separately fixed at the top of Laser room and the top of receiving chamber, and the riser is fixed on the lower section of top plate, described
The shape of sliding rail is U-shaped, and the both ends of the sliding rail are fixed on riser, and the slip ring is set on sliding rail, the slip ring and cunning
Plate is fixedly connected.
Preferably, in order to detect the compression degree of air, the lower section of the slide plate is equipped with range sensor, the distance
Sensor is electrically connected with PLC.
Preferably, the indoor top of transmission is set in order to detect whether compression plate is moved to transmission indoor top
There is contact-making switch, the contact-making switch is electrically connected with PLC.
Preferably, in order to improve the radiating efficiency of cooling fin, the shape of the vertical cross-section of the cooling fin is waveform.
Preferably, for the ease of the position of fixed glides, the fixed cell includes cylinder and plate, the cylinder
Cylinder body is fixed on the top of top plate, and the plate is vertically fixed on the top of slide plate, and the plate is equipped with jack, the top plate
It is equipped with strip shape gob, the top of the plate passes through strip shape gob, and the cylinder is arranged towards plate.
Preferably, the fixed cell further includes intubation, and the intubation is fixed in order to further fix the position of slide plate
In the top of top plate, the plate is located at the side of the separate cylinder of plate.
Preferably, being equipped with bluetooth in the controller for the ease of remote control operation equipment, the bluetooth is electrically connected with PLC
It connects.
The invention has the advantages that the high-precision laser radar installations for being used for pollutant measurement passes through pressure
Contracting mechanism is compressed to indoor air is transmitted, and is increased the concentration of contaminant gases and the attenuation degree of laser, is improved
The sensitivity of equipment detection moreover carries out laser by cooling mechanism to continue absorbing and cooling temperature, so that laser is low
Output that can be more stable under temperature state, is conducive to the precise measurement of equipment, improves the practicability of the equipment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the high-precision laser radar installations for pollutant measurement of the invention;
Fig. 2 is the structure of the Laser room of the high-precision laser radar installations for pollutant measurement of the invention
Schematic diagram;
Fig. 3 is the knot of the compression assembly of the high-precision laser radar installations for pollutant measurement of the invention
Structure schematic diagram;
Fig. 4 is the portion the A enlarged drawing of Fig. 1;
In figure: 1. Laser rooms, 2. transfer chambers, 3. receiving chambers, 4. controllers, 5. filters, 6. lasers, 7. compression plates, 8.
Tracheae, 9. top plates, 10. slide plates, 11. water tanks, 12. sealing plates, 13. water pumps, 14. cooling pipes, 15. jet pipes, 16. spray heads, 17. dissipate
Backing, 18. motors, 19. screw rods, 20. casings, 21. risers, 22. sliding rails, 23. slip rings, 24. range sensors, 25. contacts are opened
It closes, 26. cylinders, 27. plates, 28. intubations, 29. receivers.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of high-precision laser radar installations for pollutant measurement, including Laser room 1,
Transfer chamber 2, receiving chamber 3, controller 4 and compression mechanism, the transfer chamber 2 is fixed between Laser room 1 and receiving chamber 3, described
It is equipped with opening on the inner wall of the two sides of transfer chamber 2, filter 5 is equipped in the opening, is equipped with laser 6 in the Laser room 1
And cooling mechanism, the receiving chamber 3 is interior to be equipped with receiver 29, and the controller 4 is fixed on receiving chamber 3, in the controller 4
Equipped with PLC, the laser 6 and receiver 29 are electrically connected with PLC;
Air to be detected is passed into transfer chamber 2 by user when carrying out atmosphere pollution measurement using the equipment, and
It is run afterwards by controller 4, drives compression plate 7 to move down by compression mechanism, the air in compression transmission room 2 increases transmission
In room 2, the concentration of atmosphere, then PLC controls laser 6 and starts, and laser beam is issued, after passing through one of filter 5, in atmosphere
Gas to be detected after promoting concentration absorbs laser beam, so that the laser beam of energy attenuation passes through another filter 5, is radiated and connects
It receives on device 29, using the laser after 29 receiving attenuation of receiver, receiver 29 passes to PLC for signal is received, and PLC is according to laser
The attenuation of beam can detect the concentration of polluted gas to be measured in atmosphere, due to improving under test gas in advance in transfer chamber 2
Concentration, so that detection is more sensitive, improves accuracy to increase the attenuation degree of laser, moreover, utilizes
Cooling mechanism cools down to laser 6, so that laser 6 carries out stable output, further ensures the standard of equipment detection
True property.
As shown in figure 3, the compression mechanism includes compression plate 7, tracheae 8 and lifting assembly, the periphery of the compression plate 7 with
The inner wall of transfer chamber 2 is tightly connected, and the lifting assembly is located at the top of compression plate 7, and the tracheae 8 is by compression plate 7 and passes
Defeated room 2 is connected to, and is equipped with valve in the tracheae 8, the valve is electrically connected with PLC, and the lifting assembly includes top plate 9, slide plate
10, lifting unit, fixed cell and two support units, the both ends of the top plate 9 pass through two support unit settings respectively and exist
The top of Laser room 1 and the top of receiving chamber 3, the slide plate 10 are located between two support units, the lifting unit and pressure
Contracting plate 7 is sequentially connected, and the valve is electrically connected with PLC, and the fixed cell is located at the top of top plate 9;
In compression mechanism, the top plate 9 in lifting assembly is supported by support unit, before detection, PLC controls gas
Valve in pipe 8 is opened, so that after atmosphere enters the inside of transfer chamber 2 by tracheae 8, since 2 inside of transfer chamber is protected with extraneous
Connection is held, so that compression plate 7 moves up, after plate 7 to be compressed is moved to the top in transfer chamber 2, PLC is controlled in tracheae 8
Valve is closed, so that transfer chamber 2 is closed, and the lifting unit starting of 10 lower section of tail skid, it drives compression plate 7 to move down, presses
Contracting atmosphere, so that the concentration of under test gas increases in atmosphere, and then increases attenuation degree when laser transmission, to improve
The sensitivity of equipment detection, convenient for improving the accuracy to the Concentration Testing of atmosphere pollution gas.
As shown in Fig. 2, the cooling mechanism include water tank 11, it is sealing plate 12, water pump 13, cooling pipe 14, jet pipe 15, several
The periphery of spray head 16 and several cooling fins 17, the sealing plate 12 is fixed on the inner wall of Laser room 1, and the water tank 11 is fixed on
One end of the lower section of sealing plate 12, the cooling pipe 14 is connected to the bottom of water tank 11, and the other end of the cooling pipe 14 passes through
Sealing plate 12 is connected to water pump 13, and the cooling pipe 14 is wrapped on laser 6, the cooling pipe 14 along laser 6 axis
Line Spiral distribution, the jet pipe 15 are located at the top of sealing plate 12, and the jet pipe 15 is connected to water pump 13, on the sealing plate 12
Equipped with several apertures, the aperture is located at the surface of water tank 11, and the cooling fin 17 is fixed on the top of sealing plate 12, described
The top of Laser room 1 is equipped with water filling port, and the water pump 13 is electrically connected with PLC.
It in cooling mechanism, can be filled the water to the top of sealing plate 12 by water filling port, water flow passes through on sealing plate 12
Aperture enters inside water tank 11, and flows in cooling pipe 14, and when equipment is detected, the water flow in cooling pipe 14, which absorbs, to swash
The heat on 6 surface of light device, so that temperature increases, correspondingly the temperature of laser 6 is reduced, and PLC controls water pump 13 and starts at this time, is taken out
Water flow in gas cooling pipe 14, and sprayed by jet pipe 15 from spray head 16, spray head 16 sprays aqueous solution and falls on cooling fin 17, makes
Cooling fin 17 absorbs the heat of the water flow after temperature increases so that after water flow temperature reduces, then water tank 11 entered by aperture
In, it flows into return pipe, absorbs the heat of laser 6, then the water flow after absorbing heat, so circulation fortune are extracted by water pump 13
Row, realizes the lasting absorbing and cooling temperature to laser 6, and ensure that laser 6 stablizes output, is conducive to the detection for improving equipment
Precision.
As shown in figure 3, the lifting unit includes motor 18, screw rod 19 and casing 20, the motor 18 is fixed on slide plate
The top of 10 top, the motor 18 and screw rod 19 is sequentially connected, and the motor 18 is electrically connected with PLC, the screw rod 19
Bottom end is arranged in casing 20, described sleeve pipe 20 be equipped with the junction of screw rod 19 and the matched screw thread of screw rod 19, the set
Pipe 20 is fixed on the top of compression plate 7.
PLC controls motor 18 and starts, and screw rod 19 is driven to rotate, and screw rod 19 passes through threaded function on casing 20, so that set
Pipe 20 is moved along the axis of screw rod 19, and then compression plate 7 is driven to carry out lifting moving.
Preferably, the feature strong using DC servo motor driving force, in order to guarantee the driving force of motor 18, the electricity
Machine 18 is DC servo motor.
Preferably, the support unit includes riser 21, sliding rail 22 and slip ring 23 for the sliding of support skid 10, two
Riser 21 in a support unit is separately fixed at the top of Laser room 1 and the top of receiving chamber 3, and the riser 21 is fixed on top
The shape of the lower section of plate 9, the sliding rail 22 is U-shaped, and the both ends of the sliding rail 22 are fixed on riser 21, and the slip ring 23 is arranged
On sliding rail 22, the slip ring 23 is fixedly connected with slide plate 10.
It is fixed by two risers 21 and supports top plate 9, on riser 21, by the sliding rail 22 of fixed position, secure cunning
The moving direction of ring 23 is connect since slip ring 23 is kept fixed with slide plate 10, so that outside atmosphere enters transfer chamber by tracheae 8
When 2 inside, slide plate 10 is moved along vertical direction.
Preferably, the lower section of the slide plate 10 is equipped with range sensor 24, described in order to detect the compression degree of air
Range sensor 24 is electrically connected with PLC.After slide plate 10 moves up while compression plate 7 is moved to the top in transfer chamber 2, away from
Start simultaneously from sensor 24 and lifting unit, lifting unit drives compression plate 7 to move down, and range sensor 24 detects it
PLC is passed at a distance from compression plate 7, and by range data, PLC can determine the position of compression plate 7 according to the variation of range data
It sets, further detects the compression degree of air.
Preferably, the top in order to detect the top whether compression plate 7 is moved in transfer chamber 2, in the transfer chamber 2
Equipped with contact-making switch 25, the contact-making switch 25 is electrically connected with PLC.When compression plate 7 is moved upwards up to the top in transfer chamber 2
Afterwards, after being in contact with contact-making switch 25, activation signal is passed to PLC by contact-making switch 25, and PLC determines compression plate 7 at this time
It behind position, controls valve closing, and drives compression plate 7 to move down by lifting unit, the air in compression transmission room 2.
Preferably, in order to improve the radiating efficiency of cooling fin 17, the shape of the vertical cross-section of the cooling fin 17 is wave
Shape wave.Using wavy design, the surface area of cooling fin 17 is increased, cooling fin 17 is carried out more with external
Heat contact distributes more heats after water flow enters water tank 11 convenient for absorbing more heats in water flow,
As shown in figure 4, the fixed cell includes cylinder 26 and plate 27, the cylinder body of the cylinder 26 is fixed on top plate 9
Top, the plate 27 is vertically fixed on the top of slide plate 10, and the plate 27 is equipped with jack, and the top plate 9 is equipped with
Strip shape gob, the top of the plate 27 pass through strip shape gob, and the cylinder 26 is arranged towards plate 27.When compression plate 7 is moved to biography
Behind top in defeated room 2, the strip shape gob on the gas bar face plate 27 of cylinder 26, PLC control cylinder 26 and start at this time, increase gas
The intracorporal air pressure of the cylinder of cylinder 26, the bar that makes to bring about the desired sensation secure the height and position of plate 27 across jack, pass through fixing insertion 27
Height and position secure the position of slide plate 10, after the operation of 10 lower section lifting unit of slide plate, drive compression plate 7 to moving down
It is dynamic, compressed air.
Preferably, in order to further fix the position of slide plate 10, the fixed cell further includes intubation 28, the intubation
28 are fixed on the top of top plate 9, and the plate 27 is located at the side of the separate cylinder 26 of plate 27.The gas bar of gas bar passes through plate
It after jack on 27, and then is intubated in 28, by the gas bar of the fixed support gas bar of intubation 28, has further fixed the height of slide plate 10
Position.
Preferably, being equipped with bluetooth in the controller 4, the bluetooth is electrically connected with PLC for the ease of remote control operation equipment
It connects.Facilitating equipment and external remote control device to establish by bluetooth to be wirelessly connected, user sends remote signal by remote control device,
Equipment operation is operated, and equipment will test result and is wirelessly transferred by bluetooth, it is user-friendly.
The equipment drives compression plate 7 to move down when detecting Pollution Gas concentration, through lifting assembly, and compression passes
Atmosphere in defeated room 2 in this way, increasing the dough softening of the laser across transfer chamber 2 when, and then improves so that gas concentration increases
The sensitivity of equipment detection, moreover, in cooling mechanism, the water flow passed through in cooling pipe 14 absorbs laser 6 surface
Heat, reduce the temperature of laser 6, and water circulation flowing is controlled by water pump 13, cooling fin 17 utilized to absorb water flow
Heat reduces the temperature of laser 6 so that into cooling pipe 14, repetitive cycling absorbs the heat of laser 6 after water flow cooling
Degree, guarantee laser 6 stablizes output, to be conducive to the precise measurement of equipment, improves the practicability of the equipment.
Compared with prior art, which passes through compressor
Structure compresses the air in transfer chamber 2, increases the concentration of contaminant gases and the attenuation degree of laser, improves equipment
The sensitivity of detection moreover carries out laser 6 by cooling mechanism to continue absorbing and cooling temperature, so that laser 6 is in low temperature
Output that can be more stable under state, is conducive to the precise measurement of equipment, improves the practicability of the equipment.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of high-precision laser radar installations for pollutant measurement, which is characterized in that including Laser room
(1), transfer chamber (2), receiving chamber (3), controller (4) and compression mechanism, the transfer chamber (2) are fixed on Laser room (1) and connect
It receives between room (3), opening is equipped on the inner wall of the two sides of the transfer chamber (2), is equipped with filter (5) in the opening, it is described
It is equipped with laser (6) and cooling mechanism in Laser room (1), is equipped with receiver (29) in the receiving chamber (3), the controller
(4) it is fixed on receiving chamber (3), is equipped with PLC in the controller (4), the laser (6) and receiver (29) are and PLC
Electrical connection;
The compression mechanism includes compression plate (7), tracheae (8) and lifting assembly, the periphery of the compression plate (7) and transfer chamber
(2) inner wall is tightly connected, and the lifting assembly is located at the top of compression plate (7), the tracheae (8) by compression plate (7) and
Transfer chamber (2) connection, the tracheae (8) is interior to be equipped with valve, and the valve is electrically connected with PLC, and the lifting assembly includes top plate
(9), the both ends of slide plate (10), lifting unit, fixed cell and two support units, the top plate (9) pass through two branch respectively
Unit setting is supportted in the top of Laser room (1) and the top of receiving chamber (3), the slide plate (10) be located at two support units it
Between, the lifting unit and compression plate (7) are sequentially connected, and the valve is electrically connected with PLC, and the fixed cell is located at top plate
(9) top;
The cooling mechanism includes water tank (11), sealing plate (12), water pump (13), cooling pipe (14), jet pipe (15), several spray heads
(16) it is fixed on the inner wall of Laser room (1) with several cooling fins (17), the periphery of the sealing plate (12), the water tank (11)
It is fixed on the lower section of sealing plate (12), one end of the cooling pipe (14) is connected to the bottom of water tank (11), the cooling pipe
(14) the other end passes through sealing plate (12) and is connected to water pump (13), and the cooling pipe (14) is wrapped on laser (6), described
For cooling pipe (14) along the axis Spiral distribution of laser (6), the jet pipe (15) is located at the top of sealing plate (12), the spray
Pipe (15) is connected to water pump (13), the sealing plate (12) equipped with several apertures, the aperture be located at water tank (11) just on
Side, the cooling fin (17) are fixed on the top of sealing plate (12), and the top of the Laser room (1) is equipped with water filling port, the water
Pump (13) is electrically connected with PLC.
2. the high-precision laser radar installations for pollutant measurement as described in claim 1, which is characterized in that
The lifting unit includes motor (18), screw rod (19) and casing (20), and the motor (18) is fixed on the top of slide plate (10),
The top of the motor (18) and screw rod (19) is sequentially connected, and the motor (18) is electrically connected with PLC, the bottom of the screw rod (19)
End setting in the casing (20), described sleeve pipe (20) with the junction of screw rod (19) be equipped with screw rod (19) matched screw thread,
Described sleeve pipe (20) is fixed on the top of compression plate (7).
3. the high-precision laser radar installations for pollutant measurement as claimed in claim 2, which is characterized in that
The motor (18) is DC servo motor.
4. the high-precision laser radar installations for pollutant measurement as described in claim 1, which is characterized in that
The support unit includes riser (21), sliding rail (22) and slip ring (23), and the riser (21) in two support units is fixed respectively
In the top of Laser room (1) and the top of receiving chamber (3), the riser (21) is fixed on the lower section of top plate (9), the sliding rail
(22) shape is U-shaped, and the both ends of the sliding rail (22) are fixed on riser (21), and the slip ring (23) is set in sliding rail (22)
On, the slip ring (23) is fixedly connected with slide plate (10).
5. the high-precision laser radar installations for pollutant measurement as described in claim 1, which is characterized in that
The lower section of the slide plate (10) is equipped with range sensor (24), and the range sensor (24) is electrically connected with PLC.
6. the high-precision laser radar installations for pollutant measurement as described in claim 1, which is characterized in that
Top in the transfer chamber (2) is equipped with contact-making switch (25), and the contact-making switch (25) is electrically connected with PLC.
7. the high-precision laser radar installations for pollutant measurement as described in claim 1, which is characterized in that
The shape of the vertical cross-section of the cooling fin (17) is waveform.
8. the high-precision laser radar installations for pollutant measurement as described in claim 1, which is characterized in that
The fixed cell includes cylinder (26) and plate (27), and the cylinder body of the cylinder (26) is fixed on the top of top plate (9), described
Plate (27) is vertically fixed on the top of slide plate (10), and the plate (27) is equipped with jack, and the top plate (9) is equipped with bar shaped
Mouthful, the top of the plate (27) passes through strip shape gob, and the cylinder (26) is arranged towards plate (27).
9. the high-precision laser radar installations for pollutant measurement as claimed in claim 8, which is characterized in that
The fixed cell further includes intubation (28), and the intubation (28) is fixed on the top of top plate (9), and the plate (27), which is located at, inserts
The side of the separate cylinder (26) of plate (27).
10. the high-precision laser radar installations for pollutant measurement, feature exist as described in claim 1
In equipped with bluetooth in the controller (4), the bluetooth is electrically connected with PLC.
Priority Applications (1)
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CN201910287328.9A CN110031866A (en) | 2019-04-11 | 2019-04-11 | A kind of high-precision laser radar installations for pollutant measurement |
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CN201910287328.9A CN110031866A (en) | 2019-04-11 | 2019-04-11 | A kind of high-precision laser radar installations for pollutant measurement |
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Cited By (1)
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