CN116792968A - Double-compressor cold water heat pump unit - Google Patents
Double-compressor cold water heat pump unit Download PDFInfo
- Publication number
- CN116792968A CN116792968A CN202111604196.1A CN202111604196A CN116792968A CN 116792968 A CN116792968 A CN 116792968A CN 202111604196 A CN202111604196 A CN 202111604196A CN 116792968 A CN116792968 A CN 116792968A
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- China
- Prior art keywords
- fixedly connected
- pipe
- heat pump
- shell
- valve
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000005192 partition Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 39
- 239000007921 spray Substances 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000009977 dual effect Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 1
- 239000003570 air Substances 0.000 description 17
- 239000000428 dust Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00
Abstract
The invention relates to the technical field of heat pumps, in particular to a double-compressor cold water heat pump unit, which comprises a bottom plate, wherein the outer surface of the upper end of the bottom plate is fixedly connected with a shell, the position, close to the middle, of the inner surface of the shell is fixedly connected with a partition plate, the upper end surface of the shell is fixedly connected with a plurality of groups of axial flow fans, the position, close to the left, of the bottom end of the inner surface of the shell is fixedly connected with compressors, the number of the compressors is two, and the position, close to the right of the compressors, of the bottom end of the inner surface of the shell is fixedly connected with a heat exchanger.
Description
Technical Field
The invention relates to the technical field of heat pumps, in particular to a double-compressor cold water heat pump unit.
Background
The heat pump is a high-efficiency energy-saving device which fully utilizes low-grade heat energy. Heat may be spontaneously transferred from a high temperature object to a low temperature object, but may not be spontaneously conducted in the opposite direction. The working principle of the heat pump is a mechanical device which forces heat to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, only a small amount of reverse circulation net work is consumed, larger heat supply quantity can be obtained, low-grade heat energy which is difficult to apply can be effectively utilized to achieve the purpose of energy conservation, and the heat pump is divided into: an air source heat pump, a water source heat pump, a ground source heat pump, a dual source heat pump (combination of a water source heat pump and an air source heat pump), etc.;
when the traditional air source cold water heat pump unit is used, particularly when the roadside with more dust is used, a large amount of dust is easy to adhere to the evaporator, heat exchange between the evaporator and the air is not facilitated, the heat exchange efficiency of the evaporator is affected, the power of the heat pump unit is increased, meanwhile, when the outdoor evaporator is used in winter, the outer surface temperature is lower than that of ambient air and lower than 0 ℃, the outer surface is easy to frost, the heat exchange of the evaporator is not facilitated, the air flowing in the evaporator is affected, the heat pump unit is stopped when the air flowing in the evaporator is seriously affected, trouble is brought to a user, and the whole heat pump unit is to be improved.
For this purpose, a double-compressor cold water heat pump unit is proposed.
Disclosure of Invention
The invention aims to provide a double-compressor cold water heat pump unit so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the cold water heat pump unit with the double compressors comprises a bottom plate, wherein the outer surface of the upper end of the bottom plate is fixedly connected with a shell, and the inner surface of the shell is fixedly connected with a partition plate at a position close to the middle;
the device comprises a shell, a plurality of groups of axial flow fans, compressors, heat exchangers, expansion valves, an evaporator, a driving mechanism and a connecting frame, wherein the plurality of groups of axial flow fans are fixedly connected to the upper end face of the shell, the compressors are fixedly connected to the position, close to the left side, of the bottom end of the inner surface of the shell, the heat exchangers are fixedly connected to the position, close to the right side, of the bottom end of the inner surface of the shell, the expansion valves are fixedly connected to the position, close to the right side, of the heat exchanger, of the bottom end of the inner surface of the shell, the evaporator is fixedly connected to the top end of the inner surface of the shell through the connecting frame, and the driving mechanisms are arranged on the left side and the right side of the outer surface of the rear end of the evaporator;
the center of the end face of the partition board is provided with a control console, the upper end face of the partition board is fixedly connected with a guide plate at a position above the control console, and the outer surfaces of the left side and the right side of the shell are fixedly connected with shielding plates at positions close to the upper side.
Preferably, the evaporator comprises a fixing frame, fins and an evaporating pipe;
the inner surface top of shell passes through link fixedly connected with mount, the internal surface equidistance fixedly connected with of mount is a plurality of groups fin, the inside embedded fixedly connected with evaporating pipe of fin, and evaporating pipe one end communicates with each other with the expansion valve, and its other end communicates with the compressor.
Preferably, the driving mechanism comprises a fixed rail, a screw rod, a sliding groove, a sliding block and a cleaning assembly;
the fixed rail is symmetrically and fixedly connected to the outer surfaces of the left side and the right side of the fixed frame, the screw rods are rotatably connected to the front side and the rear side of the inner surface of the fixed rail through bearings, sliding grooves are formed in the upper end and the lower end of the inner surface of the fixed rail, sliding blocks are slidably connected to the inner surfaces of the sliding grooves, the sliding blocks are mutually matched with the screw rods in threaded connection mode, a cleaning assembly is arranged at the position, close to the rear, of the upper end of the fixed frame, the cleaning assembly is fixedly connected with the sliding blocks, a motor is fixedly connected to the outer surface of the rear end of the fixed rail, and an output shaft of the motor is fixedly connected with the screw rods.
Preferably, the cleaning component comprises a connecting rod, a transmission block and a cleaning brush;
the outer surface of one side of the sliding block, which is far away from the evaporator, is fixedly connected with a connecting rod, a transmission block is symmetrically and fixedly connected with the upper end and the lower end of the connecting rod, which is far away from the evaporator, through a connecting frame, and a cleaning brush is fixedly connected with the outer surface of one side of the transmission block, which is close to the evaporator.
Preferably, the transmission block is close to the position in front of the cleaning brush on one side of the evaporator, and is fixedly connected with a scraper blade, and the scraper blade and the fins are matched and attached to each other.
Preferably, the outer surfaces of the left side and the right side of the fixing frame are symmetrically and equidistantly fixedly connected with a plurality of groups of stop blocks, and the outer surface of one side, close to the stop blocks, of the sliding block is fixedly connected with an elastic sheet.
Preferably, the elastic sheet is made of elastic metal material, and the top end of the elastic sheet extends to the middle position of the stop block.
Preferably, the outer surface of the rear end of the fixing frame is fixedly connected with a water spraying assembly near the middle position, and the water spraying assembly comprises a fixing block, a valve pipe, a water outlet pipe, a water inlet pipe, a valve core, a spring, a push rod and a valve hole;
the middle position of the outer surface of the rear end of the fixing frame is fixedly connected with a fixing block, the upper end surface of the fixing block is fixedly connected with a valve pipe, the upper end surface of the valve pipe is fixedly connected with a water outlet pipe, the lower end surface of the valve pipe is fixedly connected with a water inlet pipe, the valve core is slidingly connected inside the valve pipe, the valve hole is formed in the position, close to the rear, of the upper end face of the valve core in a penetrating mode, the spring is fixedly connected to the rear end face of the valve core, the other end of the spring is fixedly connected with the valve pipe, the push rod is fixedly connected to the front end face of the valve core, the push rod extends to the outer portion of the valve pipe, and the push rod and the valve pipe are in sliding connection.
Preferably, the water spraying assembly further comprises a spray pipe, a first through pipe and a second through pipe;
the front end surface fixedly connected with spray tube of transmission piece near the top, the embedded fixedly connected with siphunculus one of upper end surface intermediate position of spray tube, siphunculus one's the other end and outlet pipe fixed connection, the lower extreme fixedly connected with siphunculus two of inlet tube, and siphunculus two's the other end is connected with the hot water circulating pipe of heat exchanger.
Preferably, the lower end face of the spray pipe is provided with a plurality of groups of through holes at equal intervals corresponding to the positions of the fins, and the through pipe I is made of rubber material and is of spiral structural design.
Compared with the prior art, the invention has the beneficial effects that:
1. by adding the driving mechanism and the cleaning component in the device, the evaporator can be automatically cleaned, dust and impurities attached to the evaporator are removed, the heat exchange efficiency of the heat exchanger is greatly improved, and the normal operation of the heat pump is ensured;
2. through adding the water spray subassembly in the device, can spray hot water to the evaporimeter in the abluent in-process of carrying out the evaporimeter, both be favorable to melting of frost, can take away the impurity on the evaporimeter again, guaranteed the normal heat transfer of evaporimeter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is an overall front cross-sectional view of the present invention;
FIG. 3 is a top view of the evaporator of the invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view showing the combination of the stopper and the spring plate according to the present invention;
fig. 6 is a right side cross-sectional view of the water jet assembly of the present invention.
Reference numerals illustrate:
1. a bottom plate; 2. a housing; 3. a partition plate; 4. an axial flow fan; 41. a compressor; 42. a heat exchanger; 43. an expansion valve; 44. an evaporator; 441. a fixing frame; 442. a fin; 443. an evaporation tube; 45. a console; 5. a driving mechanism; 51. a fixed rail; 52. a screw rod; 53. a chute; 54. a slide block; 55. a motor; 6. cleaning the assembly; 61. a connecting rod; 62. a transmission block; 63. cleaning brushes; 7. a stop block; 71. a spring plate; 8. a scraper; 9. a water spray assembly; 91. a fixed block; 92. a valve tube; 93. a water outlet pipe; 94. a water inlet pipe; 95. a valve core; 96. a spring; 97. a push rod; 98. a valve hole; 99. a spray pipe; 910. a through pipe I; 911. a second through pipe; 10. a deflector; 11. and a shielding plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
the utility model provides a two compressor cold water heat pump unit, includes bottom plate 1, the upper end surface fixedly connected with shell 2 of bottom plate 1, the internal surface of shell 2 is close to the position fixedly connected with baffle 3 in the middle, the up end embedded fixedly connected with of shell 2 is a plurality of groups axial fan 4, the internal surface bottom of shell 2 is close to the position fixedly connected with compressor 41 of left side, the quantity of compressor 41 is two sets, the internal surface bottom of shell 2 is close to the position fixedly connected with heat exchanger 42 on compressor 41 right side, the internal surface bottom of shell 2 is close to the position fixedly connected with expansion valve 43 on heat exchanger 42 right side, the internal surface top of shell 2 is through link fixedly connected with evaporimeter 44, the rear end surface left and right sides of evaporimeter 44 all is provided with actuating mechanism 5, the terminal surface central point position of baffle 3 is provided with control cabinet 45, the up end of baffle 3 is located the position fixedly connected with guide plate 10 of control cabinet 45 top, and the position fixedly connected with shutter 441 on the external surface of shell 2 left and right sides is close to top, the position fixedly connected with shutter 441, the position fixedly connected with evaporator 441, fin 442 and the inside of expansion tube 442 are connected with each other through link-up end surface 443, the expansion tube 442 and the expansion tube is connected with the inside the expansion tube 442, and the expansion tube is connected with the expansion tube 442 through the link of the inner side of the expansion tube 442.
Through adopting above-mentioned technical scheme, during operation, the refrigerant after the heat transfer with the air through the inside of evaporimeter 44 gets into the inside of two sets of compressors 41 and compresses, compressed into high temperature high pressure's gas, get into the inside of heat exchanger 42, heat exchange with circulating rivers, heat cold water into hot water, it uses to provide the resident, the refrigerant after the heat transfer is got back to evaporimeter 44 and air heat transfer after the expansion of expansion valve 43, take away cold air current through axial fan 4, the refrigerant absorbs the heat in the air again get into the inside of compressor 41, the circulated process can be incessantly provide hot water for the people, when the frosting of evaporimeter 44 surface or dust are more, the user can control actuating mechanism 5 work, clear up the evaporimeter 44 surface, guaranteed the clean and tidy of its surface, thereby the heat exchange efficiency of evaporimeter 44 and air has been improved, the normal work of heat pump has been guaranteed.
As an embodiment of the present invention, as shown in fig. 3 and 4, the driving mechanism 5 includes a fixed rail 51, a screw rod 52, a sliding groove 53, a sliding block 54, and a cleaning assembly 6, the outer surfaces of the left and right sides of the fixed rail 441 are fixedly connected with the fixed rail 51 symmetrically, the front and rear sides of the inner surface of the fixed rail 51 are rotatably connected with the screw rod 52 through bearings, the upper and lower ends of the inner surface of the fixed rail 51 are both provided with the sliding groove 53, the inner surface of the sliding groove 53 is slidably connected with the sliding block 54, the sliding block 54 is in threaded connection with the screw rod 52 and is matched with each other, the cleaning assembly 6 is fixedly connected with the sliding block 54, the outer surface of the rear end of the fixed rail 441 is fixedly connected with a motor 55, the outer surface of the motor 55 is fixedly connected with the screw rod 52, the cleaning assembly 6 includes a connecting rod 61, a driving block 62, and a cleaning brush 63, one side of the sliding block 54 far away from the evaporator 44 is fixedly connected with the connecting rod 61, one side of the evaporator 44 is fixedly connected with the driving block 62, and the other side of the cleaning brush 63 is fixedly connected with the driving block 62.
Through adopting above-mentioned technical scheme, when needs clear up the evaporimeter 44, only need control motor 55 rotate, drive lead screw 52 through the output shaft and rotate, because lead screw 52 and slider 54 threaded connection, then can drive slider 54 along spout 53 to the front end removal, thereby drive connecting rod 61 and move to the front end, drive the transmission piece 62 through the link and remove to the front end, and then drive cleaning brush 63 and remove to the front end and clear up the evaporimeter 44 surface, the heat transfer efficiency of evaporimeter 44 has been guaranteed, when cleaning brush 63 removes to the front end, control motor 55 is reversed, then can drive cleaning brush 63 and remove backward and clear up, the reciprocal clearance of circulation is better to the clearance effect of evaporimeter 44.
As an embodiment of the present invention, as shown in fig. 6, a scraper 8 is fixedly connected to the outer surface of the driving block 62 near one side of the evaporator 44 near the front of the cleaning brush 63, and the scraper 8 and the fins 442 are matched and attached to each other.
Through adopting above-mentioned technical scheme, when transmission piece 62 reciprocating motion, can drive the scraper blade 8 of fixed connection with it and make a round trip to scrape the clearance to fin 442 surface, can effectually strike off the frost that adheres to its surface, need not artifical clearance, improved the permeability between the fin 442, guaranteed the heat exchange efficiency of evaporimeter 44 and air.
As an embodiment of the present invention, as shown in fig. 3 and 5, a plurality of sets of stoppers 7 are symmetrically and equidistantly and fixedly connected to the outer surfaces of the left and right sides of the fixing frame 441, a spring plate 71 is fixedly connected to the outer surface of the side of the slider 54 adjacent to the stoppers 7, the spring plate 71 is made of elastic metal material, and the top end of the spring plate extends to the middle position of the stoppers 7.
Through adopting above-mentioned technical scheme, when slider 54 back and forth reciprocating motion, whenever shell fragment 71 and a set of dog 7 contact each other, continue to remove, can receive the resistance of dog 7, because the elasticity performance of shell fragment 71 causes its bending deformation to hold the power, when shell fragment 71 scrapes on dog 7, can release elasticity suddenly, strike next set of dog 7, when beating on multiunit dog 7 back and forth, can drive mount 441 and shake to be favorable to dust or frost on the evaporimeter 44 to bounce off, improved the cleaning performance to evaporimeter 44.
As an embodiment of the present invention, as shown in fig. 3 and 6, the outer surface of the rear end of the fixing frame 441 is fixedly connected with a water spraying assembly 9 near the middle position, the water spraying assembly 9 includes a fixing block 91, a valve tube 92, a water outlet tube 93, a water inlet tube 94, a valve core 95, a spring 96, a push rod 97 and a valve hole 98, the middle position of the outer surface of the rear end of the fixing frame 441 is fixedly connected with the fixing block 91, the upper end surface of the fixing block 91 is fixedly connected with the valve tube 92, the water outlet tube 93 is fixedly connected with the lower end surface of the valve tube 92, the valve core 95 is slidably connected with the inner part of the valve tube 92, the upper end surface of the valve core 95 is provided with the valve hole 98 in a penetrating way, the rear end surface of the valve core 95 is fixedly connected with the spring 96, the other end of the spring 96 is fixedly connected with the valve tube 92, the front end surface of the valve core 95 is fixedly connected with the push rod 97, the push rod 97 extends to the outer part of the valve tube 92, the two are slidably connected with each other, the fixing block 9 further includes a spray pipe 99, a first through pipe 910 and a second through pipe 910, the upper end surface of the two through pipe 99 is fixedly connected with the upper end of the water inlet pipe 99, the first through pipe 99 is fixedly connected with the other end of the water outlet pipe 99 is fixedly connected with the middle through pipe 99, and the second through pipe is provided with the other end of the water through pipe 910 is fixedly connected with the water through a through pipe 910, and the other end of the water through pipe is provided with a through pipe through a through pipe and is formed by a through pipe.
Through adopting above-mentioned technical scheme, when the transmission piece 62 moves forward, push rod 97 loses the resisting action with case 95, under the elasticity effect of spring 96, can drive case 95 and move forward in valve pipe 92 inside, until valve opening 98 moves to with inlet tube 94, when outlet pipe 93 position is corresponding, inlet tube 94 is in the intercommunication state with outlet pipe 93, then the hot water in the hot water circulation pipe of heat exchanger 42 flows into valve pipe 92 from two 911 flows into pipe one 910 through outlet pipe 93, thereby get into inside of spray tube 99, spout from the terminal surface through-hole under spray tube 99, spray on fin 442 and evaporating pipe 443, be favorable to taking away dust impurity promptly, be favorable to utilizing hot water to melt frost fast again, when slider 54 returns to the initial position, can push back push rod 97, backward push valve opening 95, make valve opening 98 break away from inlet tube 94 and outlet pipe 93, then stop the water spray, and the elasticity of pipe one-bit spiral structural design has guaranteed the elasticity of pipe one 910, can not be pulled by 99 of removal, the life of spray tube 99, overall structure is simple, the practicality is strong, the manual work is to evaporator 44 need not carry out the cleaning effect greatly, the material resources are saved, the spray tube 99 has been cleaned up.
Working principle: during operation, the refrigerant which is subjected to heat exchange with the air through the inside of the evaporator 44 enters the two groups of compressors 41 to be compressed into high-temperature and high-pressure gas, the gas enters the inside of the heat exchanger 42 to exchange heat with circulating water flow to heat cold water for residents, the heat-exchanged refrigerant is expanded by the expansion valve 43 and then returns to the evaporator 44 to exchange heat with the air, the cold air flow is taken away by the axial flow fan 4, the refrigerant absorbs heat in the air and then enters the inside of the compressors 41, the circulating process can continuously provide hot water for human beings, when frosting or dust on the outer surface of the evaporator 44 is more, the motor 55 is controlled to rotate, the screw rod 52 is driven to rotate through the output shaft, the screw rod 52 is driven to move towards the front end through the threaded connection of the sliding block 54, the sliding block 54 is driven to move towards the front end through the connecting frame, the connecting rod 61 is driven to move towards the front end through the connecting frame, the cleaning brush 63 is driven to move forward to clean the outer surface of the evaporator 44, so that the heat exchange efficiency of the evaporator 44 is ensured, when the cleaning brush 63 moves to the forefront, the motor 55 is controlled to rotate reversely, the cleaning brush 63 can be driven to move backwards to clean the evaporator 44, the cleaning effect of the circular reciprocating cleaning is better, when the transmission block 62 moves reciprocally, the scraper 8 fixedly connected with the transmission block can be driven to scrape and clean the outer surface of the fin 442 back and forth, frost adhered to the outer surface of the fin 442 can be effectively scraped without manual cleaning, the permeability between the fins 442 is improved, the heat exchange efficiency of the evaporator 44 and air is ensured, when the sliding block 54 moves reciprocally back and forth, the elastic sheet 71 moves continuously when contacting with a group of the stoppers 7, the elastic sheet 71 resists bending deformation and accumulating force due to the elastic property of the elastic sheet 71, when the elastic sheet 71 scrapes on the stop blocks 7, the elastic force is suddenly released, the next group of stop blocks 7 are knocked, when the plurality of groups of stop blocks 7 are knocked back and forth, the fixing frame 441 is driven to vibrate, thereby being beneficial to the dust or frost on the evaporator 44 to be sprung down, the cleaning effect on the evaporator 44 is improved, when the transmission block 62 moves forwards, the push rod 97 and the valve core 95 lose the resisting action, under the elastic force of the spring 96, the valve core 95 can be driven to move forwards in the valve pipe 92, when the valve hole 98 moves to correspond to the positions of the water inlet pipe 94 and the water outlet pipe 93, the water inlet pipe 94 and the water outlet pipe 93 are in a communicating state, then hot water in the hot water circulation pipe of the heat exchanger 42 can flow into the valve pipe 92 from the second through the water outlet pipe 911 to the first through the water outlet pipe 93, so as to enter the spray out of the through holes on the lower end surfaces of the spray pipe 99, and be sprayed on the fin 442 and the evaporation pipe 443, namely, dust impurities can be beneficial to be taken away, when the slide block 54 returns to the original position, the push rod 97 can be pushed backwards, the valve core 95 can be pushed backwards, the valve hole 98 is separated from the water inlet pipe 94 and the position of the water inlet pipe 94 is stopped, the whole structure is simple, the water-saving efficiency is achieved, the manpower is better, the overall cleaning effect is achieved, and the manpower is achieved, and the overall cleaning efficiency is achieved, and the efficiency is more improved, and the manpower is saved, and the overall cleaning efficiency is more convenient, and the cleaning efficiency.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. The utility model provides a two compressor cold water heat pump unit, includes bottom plate (1), its characterized in that: the outer surface of the upper end of the bottom plate (1) is fixedly connected with a shell (2), and a baffle plate (3) is fixedly connected to the inner surface of the shell (2) close to the middle;
the novel heat exchanger is characterized in that a plurality of groups of axial flow fans (4) are fixedly connected to the upper end face of the shell (2), compressors (41) are fixedly connected to the positions, close to the left, of the bottom end of the inner surface of the shell (2), two groups of compressors (41) are arranged, a heat exchanger (42) is fixedly connected to the positions, close to the right, of the bottom end of the inner surface of the shell (2), an expansion valve (43) is fixedly connected to the positions, close to the right, of the heat exchanger (42), of the bottom end of the inner surface of the shell (2), an evaporator (44) is fixedly connected to the top end of the inner surface of the shell (2) through a connecting frame, and driving mechanisms (5) are arranged on the left side and the right side of the outer surface of the rear end of the evaporator (44);
the center of the end face of the partition plate (3) is provided with a control console (45), the upper end face of the partition plate (3) is fixedly connected with a guide plate (10) above the control console (45), and the outer surfaces of the left side and the right side of the shell (2) are fixedly connected with shielding plates (11) close to the upper position.
2. The dual compressor chilled water heat pump assembly of claim 1, wherein: the evaporator (44) comprises a fixing frame (441), fins (442) and an evaporation tube (443);
the inner surface top of shell (2) is through link fixedly connected with mount (441), the internal surface equidistance fixedly connected with of mount (441) is a plurality of groups fin (442), inside embedded fixedly connected with evaporating pipe (443) of fin (442), and evaporating pipe (443) one end communicates with expansion valve (43) each other, and its other end communicates with compressor (41).
3. The dual compressor chilled water heat pump assembly of claim 2, wherein: the driving mechanism (5) comprises a fixed rail (51), a screw rod (52), a chute (53), a sliding block (54) and a cleaning assembly (6);
the utility model discloses a motor cleaning device for the automobile, including fixing frame (441) and motor (55), fixed frame (441) is characterized in that fixed rail (51) is fixedly connected with in left and right sides outward appearance symmetry, both sides are connected with lead screw (52) through the bearing rotation around the interior surface of fixed rail (51), spout (53) have all been seted up at both ends about the interior surface of fixed rail (51), spout (53) internal surface sliding connection has slider (54), slider (54) and lead screw (52) threaded connection mutually match, the upper end of fixing frame (441) is close to the position at rear is provided with clearance subassembly (6), and clearance subassembly (6) and slider (54) fixed connection, the rear end outward surface fixedly connected with motor (55), and the output shaft and the lead screw (52) of motor (55) fixed connection.
4. A dual compressor chilled water heat pump assembly according to claim 3, wherein: the cleaning assembly (6) comprises a connecting rod (61), a transmission block (62) and a cleaning brush (63);
the utility model discloses a cleaning device, including slider (54), connecting rod (61) is fixed connection to one side surface that the evaporimeter (44) was kept away from to slider (54), connecting rod (61) are kept away from evaporimeter (44) one end from top to bottom through link symmetry fixedly connected with transmission piece (62), transmission piece (62) are close to evaporimeter (44) one side surface fixedly connected with cleaning brush (63).
5. A dual compressor chilled water heat pump assembly according to claim 3, wherein: the scraper blade (8) is fixedly connected to the position, close to the front of the cleaning brush (63), of the outer surface of one side of the transmission block (62), close to the evaporator (44), and the scraper blade (8) and the fins (442) are matched and attached to each other.
6. The dual compressor chilled water heat pump assembly of claim 1, wherein: the outer surfaces of the left side and the right side of the fixing frame (441) are symmetrically and equidistantly fixedly connected with a plurality of groups of stop blocks (7), and the outer surface of one side, close to the stop blocks (7), of the sliding block (54) is fixedly connected with an elastic sheet (71).
7. The dual compressor chilled water heat pump assembly of claim 6, wherein: the elastic sheet (71) is made of elastic metal, and the top end of the elastic sheet extends to the middle position of the stop block (7).
8. The dual compressor chilled water heat pump assembly of claim 1, wherein: the outer surface of the rear end of the fixing frame (441) is fixedly connected with a water spraying assembly (9) near the middle position, and the water spraying assembly (9) comprises a fixing block (91), a valve pipe (92), a water outlet pipe (93), a water inlet pipe (94), a valve core (95), a spring (96), a push rod (97) and a valve hole (98);
the utility model discloses a valve structure, including fixing frame (441), valve core (95) and spring (96), the up end fixedly connected with valve pipe (92) of fixing frame (441), up end fixedly connected with valve pipe (92) of fixing frame (91), and up end fixedly connected with outlet pipe (93) of valve pipe (92), and its lower terminal surface fixedly connected with inlet tube (94), the inside sliding connection of valve pipe (92) has case (95), valve hole (98) have been seted up in the position that the up end of case (95) is close to the rear, and case (95) rear end fixedly connected with spring (96), the other end and the valve pipe (92) fixedly connected with of spring (96), the preceding terminal surface fixedly connected with push rod (97) of case (95), and push rod (97) extend to valve pipe (92) outside, and both sliding connection.
9. The dual compressor chilled water heat pump assembly of claim 1, wherein: the water spraying assembly (9) further comprises a spray pipe (99), a first through pipe (910) and a second through pipe (911);
the front end surface fixedly connected with spray tube (99) of transmission piece (62) near the top, the embedded fixedly connected with siphunculus one (910) of upper end surface intermediate position of spray tube (99), the other end and outlet pipe (93) fixed connection of siphunculus one (910), the lower extreme fixedly connected with siphunculus two (911) of inlet tube (94), and the other end and the hot water circulating pipe of heat exchanger (42) of siphunculus two (911) are connected.
10. The dual compressor chilled water heat pump assembly of claim 9, wherein: the lower end face of the spray pipe (99) is provided with a plurality of groups of through holes at equal intervals corresponding to the positions of the fins (442), and the through pipe I (910) is made of rubber material and is of spiral structural design.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111604196.1A CN116792968A (en) | 2021-12-25 | 2021-12-25 | Double-compressor cold water heat pump unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111604196.1A CN116792968A (en) | 2021-12-25 | 2021-12-25 | Double-compressor cold water heat pump unit |
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| CN116792968A true CN116792968A (en) | 2023-09-22 |
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| CN202111604196.1A Pending CN116792968A (en) | 2021-12-25 | 2021-12-25 | Double-compressor cold water heat pump unit |
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