CN115015577B - Double-beam laser Doppler velocimeter - Google Patents
Double-beam laser Doppler velocimeter Download PDFInfo
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- CN115015577B CN115015577B CN202210786113.3A CN202210786113A CN115015577B CN 115015577 B CN115015577 B CN 115015577B CN 202210786113 A CN202210786113 A CN 202210786113A CN 115015577 B CN115015577 B CN 115015577B
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- doppler velocimeter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/006—Details of instruments used for thermal compensation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20281—Thermal management, e.g. liquid flow control
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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
- Y02A90/30—Assessment of water resources
Abstract
The invention provides a double-beam laser Doppler velocimeter which comprises a fixing component, wherein the fixing component comprises a support and a mesh enclosure, a Doppler velocimeter is installed on the support, a cold water circulation component is installed on the inner side of the support and comprises a guide pipe and a return pipe, a circulation drying component is installed on the inner side of the Doppler velocimeter and comprises a moisture absorption plate and a sleeve, and a cooling power mechanism is installed on the inner side of the support.
Description
Technical Field
The invention relates to the technical field of double-beam laser Doppler velocimetry equipment, in particular to a double-beam laser Doppler velocimeter.
Background
For the guarantee to the water velocity safety in the river course channel, so as to adjust as required, need carry out accurate measurement to water velocity, and then need use two beam laser doppler velocimeter equipment, current two beam laser doppler velocimeter equipment has basically that the velocity measurement precision is high, water velocity measuring range is wide, job stabilization nature is good, advantages such as long service life, can satisfy the user demand that carries out real-time accurate measurement work to the water velocity that has in the river course channel, however to current two beam laser doppler velocimeter equipment, on the one hand, in operation, for the connection coupling safety of the circuit in the guarantee, need dispel the heat and absorb the damp operation to equipment, and then need the more electric energy of effect, and increase the manpower and the material cost of manual change moisture absorption board, on the other hand, when cooling, appear easily that impurity enters into the cooling tube way, cause the pipeline to block up, be unfavorable for guaranteeing cooling work's safety, on the other hand, when using filtering mechanism to filter water, lead to blockking easily, simultaneously breed green algae in the pipeline easily, guarantee rivers unobstructed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-beam laser Doppler velocimeter to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a two beam laser Doppler velocimeters, includes fixed subassembly, fixed subassembly includes support and screen panel, install Doppler velocimeter on the support, the cold water circulation subassembly is installed to the inboard of support, the cold water circulation subassembly includes pipe and return pipe, the dry subassembly of circulation is installed to the inboard of Doppler velocimeter, the dry subassembly of circulation is including moisture absorption board and sleeve, cooling power unit is installed to the inboard of support, cooling power unit includes gear pump and motor, install the rivers conversion subassembly on the gear pump, the rivers conversion subassembly includes fan blade one and fan blade two, the inboard of screen panel is provided with filtering mechanism, filtering mechanism is including straining a section of thick bamboo and check valve, the clear subassembly of straining is installed to the bottom of check valve, clear subassembly of straining includes scraper blade and fan blade.
Further, the doppler velocimeter passes through the bolt and installs on the support, the top welding of doppler velocimeter has the joint box, the sleeve welding is on the inner wall of the bottom of doppler velocimeter, the moisture absorption integrated circuit board is on the inner wall of the bottom of doppler velocimeter, the export has been seted up to one side of doppler velocimeter, the inboard card of export has the jam.
Furthermore, the clamping plug is arranged on one side of the moisture absorption plate, the piston is arranged on the other side of the moisture absorption plate, one end of the piston penetrates through the sleeve and is clamped on the inner wall of the sleeve, and the top of the sleeve is communicated with the bottom of the sealing box through an air pipe.
Further, the gear pump passes through the bolt and installs the inboard at the support, the one end setting of pipe is in the inboard of screen panel, the other end of pipe passes the inboard of support and is linked together with one side of gear pump.
Furthermore, one end of the return pipe is communicated with the other side of the gear pump, and the other end of the return pipe penetrates through the top of the Doppler velocimeter, is coiled on the inner side of the Doppler velocimeter, penetrates through the inner side of the support and extends to the inner side of the mesh enclosure.
Furthermore, a rotating rod is installed on one side of the gear pump, the motor is installed at the bottom of the gear pump through bolts, the bottom end of the rotating rod penetrates through the gear pump and is installed on an output shaft of the motor through bolts, a first fan blade is installed at the top end of the rotating rod through a thorn wheel, a temperature control switch is installed on the inner side of the Doppler velocimeter, and the temperature control switch is connected with the motor through an electric wire.
Furthermore, the top of the other side of the gear pump is provided with a rotating sleeve, the bottom of the second fan blade is welded with a circular plate, the circular plate is arranged on the inner side of the rotating sleeve through a bearing, and the bottom of the rotating sleeve penetrates through the top of the gear pump and is connected with a rotating shaft of the gear pump.
Furthermore, a bayonet lock is clamped on the inner side of the circular plate, the bayonet lock is installed on the inner side of the circular plate through a spring, a wedge groove is formed in the inner wall of the rotating sleeve, a wedge block is integrally formed on the bayonet lock, and the wedge block is matched with the wedge groove.
Further, the filter cylinder is welded at the bottom of one end of the guide pipe and the other end of the return pipe respectively, and the one-way valve is arranged at the bottom of the filter cylinder.
Furthermore, the bottom of the scraper is provided with the bottom of a screen through a bearing, the tops of two sides of the scraper are clamped on the outer side of the filter cylinder, the tops of the fan blades are clamped on the inner side of the bottom of the one-way valve, the bottoms of the fan blades are welded on the scraper, a partition plate is welded on the inner side of the screen, and the return pipe and the guide pipe are positioned on two sides of the partition plate.
Compared with the prior art, the invention has the beneficial effects that:
1. when the dual-beam laser Doppler velocimeter is used, when sunlight is exposed, the air temperature in the seal box rises to a very high temperature, air enters the sleeve through the air pipe, the piston is pushed rightwards by the air, the moisture absorption plate is pushed to the outer side of the Doppler velocimeter and is exposed to the sun, moisture absorbed by the moisture absorption plate is dried, when the sun disappears, the air temperature in the seal box is lowered, air is contracted to attract the piston to the left side of the sleeve, the moisture absorption plate is pulled into the Doppler velocimeter and is sealed through the clamping plug, the moisture absorption plate does not need to be replaced by personnel, the investment of manpower and materials is reduced, when the temperature in the velocimeter is high, the temperature control switch turns on the motor, the motor drives the gear pump to work, the moisture in the mesh enclosure is sucked through the guide pipe and is output through the return pipe, the moisture in the return pipe flows through the Doppler velocimeter, the Doppler velocimeter is cooled and cooled, the moisture returns to the return pipe to the inside of the Doppler velocimeter, the mesh enclosure is cooled through the return pipe, the electric energy-saving rotary wind pump can drive the heat dissipation rod of the Doppler anemometer, and the gear pump, and the electric energy-saving rotary ratchet is reduced.
2. This two beam laser doppler velocimeters is when using, when promoting the moisture in pipe and the return pipe to flow through the gear pump, the inboard of pipe is inhaled through the filtration of straining a section of thick bamboo to moisture, effectively utilizes to strain the impurity in the section of thick bamboo with moisture and filters, avoids impurity to enter into in pipe and the return pipe, avoids impurity to block up pipe and return pipe to prevent that impurity from dying the gear pump card, it is unobstructed to ensure the rivers, and then the guarantee is to the cooling work of doppler velocimeter.
3. When the dual-beam laser Doppler velocimeter is used, when the wind power of natural wind is large, the rotating speed of the circular plate is driven by the fan blade II to be higher, the bayonet lock in the circular plate is enabled to stretch the spring to move to the outer side of the circular plate under the action of centrifugal force, the bayonet lock is enabled to push the wedge block to move into the wedge groove in the rotary sleeve, the clamping of the wedge groove and the wedge block is utilized, the situation that the bayonet lock repeatedly moves in and out from the rotary sleeve due to unstable wind power is avoided, the bayonet lock is prevented from being damaged quickly, the safety of the bayonet lock, the rotary sleeve and other components is guaranteed, the fan blade can be enabled to stably drive the gear pump to rotate in the reverse direction through the rotary sleeve, the fan blade I is prevented from being separated from the rotary rod through the ratchet wheel, the situation that the gear pump rotates in a blocking manner is avoided, water is further sucked through the bottom of the return pipe and flows out through the local bottom of the guide pipe, when the water flows downwards at the bottom of the guide pipe, the one-way valve is pushed away by utilizing the water flow, the impact force of the water flow blown out of the return pipe and the algae removal pipeline is guaranteed, and the blockage of the filter cartridge is prevented from being flushed out of the filter pipe, and the algae removal pipeline.
Drawings
Fig. 1 is a schematic structural diagram of a dual-beam laser doppler velocimeter according to the present invention;
FIG. 2 is a cross-sectional view of a dual beam laser Doppler velocimeter of the present invention;
FIG. 3 is a cross-sectional side view of a dual-beam laser Doppler velocimeter of the present invention;
FIG. 4 is a side cross-sectional view of a gear pump of a dual beam laser Doppler velocimeter of the present invention;
FIG. 5 is a sectional view of a first fan blade of the dual-beam laser Doppler velocimeter of the present invention;
FIG. 6 is a top cross-sectional view of a rotating sleeve of a dual-beam laser Doppler velocimeter of the present invention;
fig. 7 is a cross-sectional view of a mesh enclosure of a dual-beam laser doppler velocimeter of the present invention;
in the figure: 1. a Doppler velocimeter; 2. a support; 3. a net cover; 4. sealing the box; 5. a conduit; 6. returning the pipe; 7. a sleeve; 8. an air tube; 9. a piston; 10. a moisture absorption plate; 11. blocking; 12. a temperature control switch; 13. a gear pump; 14. a rotating rod; 15. a first fan blade; 16. a ratchet wheel; 17. a motor; 18. rotating the sleeve; 19. a second fan blade; 20. a circular plate; 21. a bayonet lock; 22. a spring; 23. a wedge groove; 24. a wedge block; 25. a partition plate; 26. a filter cartridge; 27. a one-way valve; 28. a squeegee; 29. a fan blade.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a two beam laser doppler velocimeters, includes fixed subassembly, fixed subassembly includes support 2 and screen panel 3, install doppler velocimeter 1 on the support 2, the cold water circulation subassembly is installed to the inboard of support 2, the cold water circulation subassembly includes pipe 5 and return pipe 6, circulation drying assembly is installed to doppler velocimeter 1's inboard, circulation drying assembly includes moisture absorption board 10 and sleeve 7, cooling power unit is installed to the inboard of support 2, cooling power unit includes gear pump 13 and motor 17, install the water flow conversion subassembly on the gear pump 13, the water flow conversion subassembly includes fan blade 15 and fan blade two 19, the inboard of screen panel 3 is provided with filter mechanism, filter mechanism is including straining 26 and check valve 27, the clear bank of straining is installed to check valve 27's bottom, clear straining subassembly includes scraper blade 28 and flabellum 29, can be when using, installs the limit in the river course channel with support 2, makes doppler velocimeter 1 be located the top at the middle part of river course channel through support 2, avoids measuring water flow velocity to receive the interference and the influence of river bank, ensures the measurement reliability of river flow velocity.
In this embodiment, the doppler velocimeter 1 is mounted on the support 2 through a bolt, the sealing box 4 is welded on the top of the doppler velocimeter 1, the sleeve 7 is welded on the inner wall of the bottom of the doppler velocimeter 1, the moisture absorption plate 10 is clamped on the inner wall of the bottom of the doppler velocimeter 1, an outlet is formed in one side of the doppler velocimeter 1, a clamping plug 11 is clamped on the inner side of the outlet, the clamping plug 11 is mounted on one side of the moisture absorption plate 10, a piston 9 is mounted on the other side of the moisture absorption plate 10, one end of the piston 9 passes through the sleeve 7 and is clamped on the inner wall of the sleeve 7, the top of the sleeve 7 is communicated with the bottom of the sealing box 4 through an air tube 8, when the water velocity measurement is performed through the doppler velocimeter 1, during the steam of infiltration in the Doppler velocimeter 1, can carry out drying absorption through moisture absorption board 10 effectively, when sunshine insolate, make the temperature in the joint sealing 4 rise to very high temperature, make the air pass through in 8 entering sleeves 7 of trachea, make the air promote piston 9 right, and then promote moisture absorption board 10 to the outside of Doppler velocimeter 1, utilize the sun to insolate, dry the absorptive moisture of moisture absorption board 10, after the sun disappears, make the temperature decline of air in the joint sealing 4, air contraction is with piston 9 to the left side attraction of sleeve 7, and then draw into moisture absorption board 10 in Doppler velocimeter 1, and seal through calorie stopper 11, need not personnel and change moisture absorption board 10, reduce the input of manual work and material.
This embodiment, gear pump 13 passes through the bolt and installs the inboard at support 2, the one end of pipe 5 sets up the inboard at screen panel 3, the other end of pipe 5 passes support 2's inboard and is linked together with one side of gear pump 13, the one end of return pipe 6 is linked together with the opposite side of gear pump 13, the other end of return pipe 6 passes the top of doppler velocimeter 1 and coils the inboard that passes support 2 again at doppler velocimeter 1 and extends to the inboard of screen panel 3 again, bull stick 14 is installed to one side of gear pump 13, motor 17 passes through the bottom of bolt installation gear pump 13, the bottom of bull stick 14 passes gear pump 13 and installs on the output shaft of motor 17 through the bolt, fan blade 15 is installed on the top of bull stick 14 through thorn ratchet 16, temperature detect switch 12 is installed to the inboard of velocimeter 1, the temperature control switch 12 is connected with the motor 17 through an electric wire, when the temperature in the Doppler velocimeter 1 is high, the temperature control switch 12 turns on the motor 17, the motor 17 drives the gear pump 13 to work through the rotating rod 14, the water in the mesh enclosure 3 is sucked in through the guide pipe 5 and is output through the return pipe 6, the water in the return pipe 6 flows through the Doppler velocimeter 1 to cool the Doppler velocimeter 1, the water returns to the mesh enclosure 3 through the return pipe 6, when the temperature in the Doppler velocimeter 1 is reduced, the motor 17 stops working, the return pipe 6 and the guide pipe 5 form a communicating device through the gear pump 13, the water flow can be pushed without large power, the fan blade 15 is blown by natural wind, so that the fan blade 15 drives the rotating rod 14 through the ratchet wheel 16, the rotating rod 14 drives the gear pump 13 to work for cooling and cooling the Doppler velocimeter 1, and the electric energy consumption required by heat dissipation is effectively reduced, achieving the effects of energy conservation and emission reduction.
In this embodiment, a rotating sleeve 18 is installed at the top of the other side of the gear pump 13, a circular plate 20 is welded at the bottom of the second fan blade 19, the circular plate 20 is installed at the inner side of the rotating sleeve 18 through a bearing, the bottom of the rotating sleeve 18 penetrates through the top of the gear pump 13 and is connected with a rotating shaft of the gear pump 13, a bayonet 21 is clamped at the inner side of the circular plate 20, the bayonet 21 is installed at the inner side of the circular plate 20 through a spring 22, a wedge groove 23 is formed in the inner wall of the rotating sleeve 18, a wedge block 24 is integrally formed on the bayonet 21, the wedge block 24 is matched with the wedge groove 23, the filter cartridge 26 is respectively welded at one end of the guide pipe 5 and the bottom of the other end of the return pipe 6, the check valve 27 is installed at the bottom of the filter cartridge 26, the bottom of the scraper 28 is installed at the bottom of the mesh enclosure 3 through a bearing, and the tops of two sides of the scraper 28 are clamped at the outer side of the filter cartridge 26, the top of the fan blade 29 is clamped at the inner side of the bottom of the one-way valve 27, the bottom of the fan blade 29 is welded on the scraper 28, the partition plate 25 is welded at the inner side of the mesh enclosure 3, the return pipe 6 and the guide pipe 5 are positioned at two sides of the partition plate 25, when the gear pump 13 pushes the guide pipe 5 and the water in the return pipe 6 to flow, the water is sucked into the inner side of the guide pipe 5 through the filtration of the filter cartridge 26, impurities in the water are effectively filtered by the filter cartridge 26, the impurities are prevented from entering the guide pipe 5 and the return pipe 6, the guide pipe 5 and the return pipe 6 are prevented from being blocked by the impurities, the gear pump 13 is prevented from being blocked by the impurities, the water flow is ensured to be smooth, the cooling work of the Doppler velocimeter 1 is ensured, when the wind power of natural wind is large, the rotating speed of the circular plate 20 is driven by the fan blade two 19 to be fast, and the bayonet 21 in the circular plate 20 elongates the spring 22 to move to the outer side of the circular plate 20 under the action of centrifugal force, and further, the bayonet 21 pushes the wedge block 24 to move into the wedge groove 23 in the rotary sleeve 18, the bayonet 21 is prevented from repeatedly moving in and out of the rotary sleeve 18 due to unstable wind power by clamping the wedge groove 23 and the wedge block 24, the bayonet 21 is prevented from being rapidly damaged, the safety of the bayonet 21, the rotary sleeve 18 and other components is ensured, the fan blade II 19 can stably drive the gear pump 13 to reversely rotate through the rotary sleeve 18, the fan blade I15 is separated from the rotary rod 14 through the ratchet wheel 16, the fan blade I15 is prevented from obstructing the reverse rotation of the gear pump 13, further, moisture is sucked in through the bottom of the return pipe 6 and flows out through the bottom of the guide pipe 5, when the moisture flows downwards at the bottom of the guide pipe 5, the one-way valve 27 is pushed open by using the impact force of water flow, the fan blade 29 is pushed to rotate, further, the scraper 28 is rotated to clean impurities on the outer side of the guide pipe 26, the filter cylinder 26 is prevented from being blocked, meanwhile, the fan blade II 19 is used for driving the high-speed rotation of the gear pump 13, further, the algae in the return pipe 6 and the inner wall of the pipe 5 is cleaned, and the algae pipeline is prevented from being blocked, and the filter cylinder 26 is prevented from being blown out, and the blockage of the algae pipeline.
The double-beam laser Doppler velocimeter provides electric energy for all electric equipment through an external power supply, when the double-beam laser Doppler velocimeter is used, a support 2 is arranged on the bank side of a river channel, the Doppler velocimeter 1 is positioned at the top of the middle part of the river channel through the support 2, the measured water flow velocity is prevented from being interfered and influenced by the bank, the measurement reliability of the water flow velocity is guaranteed, when the water flow velocity is measured through the Doppler velocimeter 1, when water vapor seeps into the Doppler velocimeter 1, drying and absorption can be effectively carried out through a moisture absorption plate 10, when the double-beam laser Doppler velocimeter is exposed to sunlight, the temperature in a sealed box 4 rises to a very high temperature, air enters a sleeve 7 through an air pipe 8, the piston 9 is pushed to the right, the moisture absorption plate 10 is further pushed to the outer side of the Doppler velocimeter 1, and the sun is exposed to the sun, drying the moisture absorbed by the moisture absorption plate 10, when the sun disappears, the temperature of the air in the sealed box 4 drops, the air shrinks to attract the piston 9 to the left side of the sleeve 7, and then the moisture absorption plate 10 is pulled into the Doppler velocimeter 1 and sealed by the clamping plug 11, the moisture absorption plate 10 does not need to be replaced by personnel, the investment of manpower and materials is reduced, when the temperature in the Doppler velocimeter 1 is higher, the temperature control switch 12 turns on the motor 17, the motor 17 drives the gear pump 13 to work through the rotating rod 14, the moisture in the mesh enclosure 3 is sucked in through the guide pipe 5 and is output through the return pipe 6, the moisture in the return pipe 6 flows through the Doppler velocimeter 1 to cool the Doppler velocimeter 1, the moisture returns to the mesh enclosure 3 through the return pipe 6, when the temperature in the Doppler velocimeter 1 drops, the motor 17 stops working, the return pipe 6 and the guide pipe 5 form a communicating vessel through the gear pump 13, the water flow can be pushed without large power, the first fan blade 15 is blown by natural wind, the first fan blade 15 drives the rotating rod 14 through the ratchet wheel 16, the rotating rod 14 drives the gear pump 13 to work to cool the Doppler velocimeter 1, the electric energy consumption required by heat dissipation is effectively reduced, the effects of energy saving and emission reduction are achieved, when the gear pump 13 pushes the water in the guide pipe 5 and the return pipe 6 to flow, the water is sucked to the inner side of the guide pipe 5 through the filtration of the filter cylinder 26, the impurities in the water are effectively filtered by the filter cylinder 26, the impurities are prevented from entering the guide pipe 5 and the return pipe 6, the guide pipe 5 and the return pipe 6 are prevented from being blocked by the impurities, the gear pump 13 is prevented from being blocked by the impurities, the water flow is ensured to be smooth, the cooling work of the Doppler velocimeter 1 is further ensured, when the natural wind is large, the rotating speed of the second fan blade 19 driving the circular plate 20 is high, further, the bayonet 21 in the circular plate 20 is extended by the centrifugal force to move the spring 22 to the outer side of the circular plate 20, so that the bayonet 21 pushes the wedge block 24 to move into the wedge groove 23 in the rotary sleeve 18, the bayonet 21 is prevented from repeatedly moving in and out of the rotary sleeve 18 due to unstable wind power by clamping the wedge groove 23 with the wedge block 24, the bayonet 21 is prevented from being rapidly damaged, the safety of the bayonet 21, the rotary sleeve 18 and other parts is ensured, the fan blade two 19 can stably drive the gear pump 13 to reversely rotate through the rotary sleeve 18, the fan blade one 15 is separated from the rotary rod 14 through the ratchet wheel 16, the fan blade one 15 is prevented from obstructing the reverse rotation of the gear pump 13, further, the water is sucked through the bottom of the return pipe 6 and flows out through the bottom of the guide pipe 5, when the water flows downwards at the bottom of the guide pipe 5, the check valve 27 is pushed open by the impact force of the water flow, and the fan blade 29 is pushed to rotate, and then the scraper 28 rotates to clean impurities on the outer side of the filter cylinder 26 on the guide pipe 5, so that the filter cylinder 26 is prevented from being blocked, meanwhile, the fan blade II 19 is used for driving the gear pump 13 to rotate at a high speed, and then algae in the return pipe 6 and the guide pipe 5 are washed away from the inner wall of the pipeline by using high-speed water flow and are blown out outwards through the one-way valve 27, so that the algae cleaning work is ensured, the filter cylinder 26 or the pipeline is prevented from being blocked by the algae in the pipeline, and the water flow in the pipeline is ensured to be smooth.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a two light beam laser doppler velocimeters, includes fixed subassembly, fixed subassembly includes support (2) and screen panel (3), install doppler velocimeter (1) on support (2), the cold water circulation subassembly is installed to the inboard of support (2), the cold water circulation subassembly includes pipe (5) and return pipe (6), its characterized in that: the inside of Doppler velocimeter (1) is installed and is circulated dry subassembly, it includes moisture absorption board (10) and sleeve (7) to circulate dry subassembly, cooling power unit is installed to the inboard of support (2), cooling power unit includes gear pump (13) and motor (17), install the rivers conversion subassembly on gear pump (13), the rivers conversion subassembly includes fan blade (15) and fan blade two (19), the inboard of screen panel (3) is provided with filtering mechanism, filtering mechanism is including straining a section of thick bamboo (26) and check valve (27), the clear subassembly of straining is installed to the bottom of check valve (27), clear subassembly of straining includes scraper blade (28) and fan blade (29), doppler velocimeter (1) passes through the bolt and installs on support (2), the top welding of Doppler velocimeter (1) has joint box (4), sleeve (7) welding is on the inner wall of the bottom of Doppler velocimeter (1), moisture absorption plate (10) card is on the inner wall of the bottom of Doppler velocimeter (1), the export has been seted up to one side of Doppler velocimeter (1), the inboard card of export has card stopper (11), card stopper (11) are installed in one side of moisture absorption plate (10), piston (9) are installed to the opposite side of moisture absorption plate (10), the one end of piston (9) is passed sleeve (7) and is blocked in the inner wall of sleeve (7) On, the top of sleeve (7) is passed through trachea (8) and is linked together with the bottom of joint sealing (4), gear pump (13) are installed in the inboard of support (2) through the bolt, the one end setting of pipe (5) is in the inboard of screen panel (3), the other end of pipe (5) passes the inboard of support (2) and is linked together with one side of gear pump (13), the one end of return pipe (6) is linked together with the opposite side of gear pump (13), the other end of return pipe (6) passes the top of doppler velocimeter (1) and coils the inboard that passes support (2) again and extends to the inboard of screen panel (3) again at the inboard of doppler velocimeter (1), bull stick (14) is installed to one side of gear pump (13), motor (17) is installed in the bottom of gear pump (13) through the bolt, the bottom of bull stick (14) passes gear pump (13) and installs on the output shaft of motor (17) through the bolt, fan blade (15) are installed on the top of bull stick (14), the temperature control switch (12) is installed through the inboard of switch (12) of switch for the temperature control of doppler (17), motor (17) and scraper blade (12), the top of the two sides of the scraper (28) is clamped on the outer side of the filter cartridge (26), the top of the fan blade (29) is clamped on the inner side of the bottom of the one-way valve (27), the bottom of the fan blade (29) is welded on the scraper (28), the partition plate (25) is welded on the inner side of the mesh enclosure (3), and the return pipe (6) and the guide pipe (5) are located on the two sides of the partition plate (25).
2. The dual-beam laser doppler velocimeter of claim 1, wherein: the top of the other side of the gear pump (13) is provided with a rotating sleeve (18), the bottom of the second fan blade (19) is welded with a circular plate (20), the circular plate (20) is arranged on the inner side of the rotating sleeve (18) through a bearing, and the bottom of the rotating sleeve (18) penetrates through the top of the gear pump (13) and is connected with a rotating shaft of the gear pump (13).
3. The dual-beam laser doppler velocimeter of claim 2, wherein: the inner side of the circular plate (20) is clamped with a clamping pin (21), the clamping pin (21) is installed on the inner side of the circular plate (20) through a spring (22), a wedge groove (23) is formed in the inner wall of the rotating sleeve (18), a wedge block (24) is integrally formed on the clamping pin (21), and the wedge block (24) is matched with the wedge groove (23).
4. The dual-beam laser doppler velocimeter of claim 1, wherein: the filter cylinder (26) is welded at one end of the guide pipe (5) and the bottom of the other end of the return pipe (6), and the one-way valve (27) is arranged at the bottom of the filter cylinder (26).
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| CN202210786113.3A CN115015577B (en) | 2022-07-04 | 2022-07-04 | Double-beam laser Doppler velocimeter |
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| CN115639375B (en) * | 2022-10-14 | 2024-05-07 | 武汉新烽光电股份有限公司 | Laser Doppler velocimeter |
| CN117553866A (en) * | 2023-11-22 | 2024-02-13 | 武汉新烽光电股份有限公司 | Online river flow monitoring system and device |
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| CN212086716U (en) * | 2020-07-06 | 2020-12-04 | 杨汇森 | High-efficient heat dissipation cooling device of IT equipment |
| CN214852541U (en) * | 2021-07-05 | 2021-11-23 | 青岛宏福隆昌科技有限公司 | Heat dissipation mechanism for electronic radiator |
| CN215841276U (en) * | 2021-08-30 | 2022-02-18 | 中惠医疗科技（上海）有限公司 | Degassing water circulation device with cooling function |
| CN113472993B (en) * | 2021-09-03 | 2021-12-07 | 武汉新烽光电股份有限公司 | Micro-power-consumption waterproof type remote measuring terminal |
| CN216647843U (en) * | 2021-12-14 | 2022-05-31 | 深圳市汇邦医疗科技有限公司 | AI voice control device that radiating effect is good |
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