CN214469566U

CN214469566U - Defrosting assembly of closed type transcritical CO2 heat pump hot water unit

Info

Publication number: CN214469566U
Application number: CN202120353901.4U
Authority: CN
Inventors: 付羽琳
Original assignee: Zhongbing Zhanyi New Energy Technology Group Co ltd
Current assignee: Zhongbing Zhanyi New Energy Technology Group Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-10-22
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a closed transcritical CO2 heat pump hot water unit defrosting component for defrosting of a hot water unit, which comprises the hot water unit, wherein the hot water unit comprises a shell and a machine body, the right side of the shell is provided with a square hole, the inner wall of the square hole is fixedly connected with a fin evaporator, the inner bottom wall of the shell is respectively and fixedly connected with a pressure stabilizing expansion tank and a water pump, the water inlet end of the water pump is fixedly connected with a liquid inlet pipe, the water outlet pipe of the water pump is fixedly connected with a liquid outlet pipe, one end of the liquid inlet pipe is fixedly connected with the surface of the pressure stabilizing expansion tank, the water pump, the heater and the defrosting pipe are matched, so that unfrozen liquid in the pressure stabilizing expansion tank can be conveyed to the heater by the water pump for heating, the heat is transferred to the fin evaporator through the defrosting pipe for heat conduction defrosting, therefore, the problems that the conventional heat pump hot water unit adopts hot gas bypass defrosting, defrosting is not clean, and the working efficiency of the whole system is affected due to overlong defrosting time are solved.

Description

Defrosting assembly of closed type transcritical CO2 heat pump hot water unit

Technical Field

The utility model relates to a hot water unit defrosting field specifically is critical CO2 heat pump hot water unit defrosting subassembly is striden to closed.

Background

The hot water unit absorbs heat in low-temperature heat source control through the evaporator, releases heat to cold water through the air cooling evaporator, and heats the cold water to achieve the purpose of making hot water.

At present, the conventional heat pump hot water unit adopts hot gas bypass defrosting, and due to the fact that no external heat source exists, heat is totally from energy before the compressor stops and heat generated by the motor of the compressor per se in operation, the heat is limited, the condition that defrosting is not clean exists when ambient temperature is reduced and frosting is thick, a defrosting device is not arranged outside the component, the phenomenon of liquid impact of the compressor can be caused due to overlong defrosting time, and the working efficiency of the whole system is seriously influenced. Accordingly, a closed transcritical CO2 heat pump hot water unit defrost assembly is provided by those skilled in the art to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a critical CO2 heat pump hot water unit defrosting subassembly is striden to the closed to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the defrosting assembly of the closed transcritical CO2 heat pump hot water unit comprises a hot water unit, wherein the hot water unit comprises a shell and a unit body, a square hole is formed in the right side of the shell, a fin evaporator is fixedly connected to the inner wall of the square hole, a pressure stabilizing expansion tank and a water pump are respectively and fixedly connected to the inner bottom wall of the shell, a water inlet end of the water pump is fixedly connected with a liquid inlet pipe, a water outlet pipe of the water pump is fixedly connected with a liquid outlet pipe, one end of the liquid inlet pipe is fixedly connected with the surface of the pressure stabilizing expansion tank, one end of the liquid outlet pipe is fixedly connected with a heater, the right end of the heater is fixedly connected with a defrosting pipe, one end of the defrosting pipe is fixedly connected with the surface of the pressure stabilizing expansion tank, the surface of the defrosting pipe is fixedly connected with the inner wall of the fin evaporator, two fixing plates are fixedly connected to the right side of the shell, and a round hole is formed in the front surface of the fixing plates, the inner wall sliding connection of round hole has the carriage release lever, the surface cover of carriage release lever is equipped with two springs, the fixed surface of carriage release lever is connected with the fixed block, the right side of fin evaporator rotates and is connected with the rolling disc, a plurality of triangle tooth pieces of the equal fixedly connected with of upper surface of the lower surface of rolling disc and fixed block, the last fixed surface of rolling disc is connected with rectangular board, rectangular board and a plurality of brush hairs of the equal fixedly connected with in rolling disc left side, the inside of steady voltage expansion tank is provided with not frozen liquid.

As a further aspect of the present invention: the lower surface of the machine body is fixedly connected with the inner bottom wall of the shell, the machine body is electrically connected with the fin evaporator, and the machine body is used for heating cold water.

As a further aspect of the present invention: the upper surface fixed connection of casing has the fan top cap, the inner wall fixedly connected with fan of fan top cap is used for the inside heat dissipation, the cooling for the casing through setting up the fan, prevents that the higher influence work of hot water unit inside operational environment temperature from.

As a further aspect of the present invention: the right side of casing fixedly connected with hot-water line and cold water pipe respectively, the right side inner wall of casing is all run through to hot-water line and cold water pipe, hot-water line and cold water pipe all are connected through the fixed surface of pipeline with the quick-witted body, are used for concentrating leading-in cold water through setting up the cold water pipe and heat, are used for concentrating the water of deriving after the heating through setting up the hot-water line.

As a further aspect of the present invention: the lower fixed surface of casing is connected with four and stabilizes the foot, four it is the lower surface of rectangle array setting at the casing to stabilize the foot and be used for stabilizing hot water unit through setting up, prevent that it from rocking and influencing work in the course of the work.

As a further aspect of the present invention: the front fixedly connected with handle of carriage release lever, the surface of handle is provided with anti-skidding line, is convenient for easily stimulate the carriage release lever through setting up the handle, and is laborsaving, convenient.

As a further aspect of the present invention: the triangular tooth blocks on the lower surface of the rotating disc are meshed with the triangular tooth blocks on the upper surface of the fixing block, and the triangular tooth blocks are arranged on the fixing block to drive the rotating disc to rotate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the water pump, the heater with change the frost pipe and cooperate and be convenient for transport the not frozen liquid in the steady voltage expansion tank to the heater heating by the water pump, conduct heat the defrosting on the fin evaporator through changing the frost pipe, make two continuous bounce-back fixed blocks of spring after removing through setting up the carriage release lever, be convenient for drive the rolling disc through setting up the fixed block and rotate, be convenient for drive rectangular board through setting up the rolling disc and rotate, make the brush hair brush the defrosting to the surface of fin evaporator, thereby solved present conventional heat pump hot water unit and adopted steam bypass defrosting to have the condition that the frost is not clean, and defrosting time overlength influences entire system work efficiency's problem.

2. In the utility model, the machine body is used for heating cold water; the fan is arranged for dissipating heat and cooling the inside of the shell, so that the influence of high working environment temperature inside the hot water unit on work is prevented; the cold water pipe is used for leading cold water in a centralized mode to be heated, and the hot water pipe is used for leading out the heated water in a centralized mode.

3. In the utility model, the stabilizing feet are arranged for stabilizing the hot water unit, so that the hot water unit is prevented from shaking in the working process to influence the work; the movable rod is conveniently and easily pulled by arranging the handle, so that labor is saved and convenience is realized; the triangular tooth blocks are arranged to drive the fixed block to drive the rotating disc to rotate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

fig. 4 is an explosion diagram of the middle part structure of the present invention.

In the figure: 1. a hot water unit; 101. a housing; 102. a machine body; 2. a finned evaporator; 3. a pressure-stabilizing expansion tank; 4. a water pump; 5. a liquid inlet pipe; 6. a liquid outlet pipe; 7. a heater; 8. a defrosting pipe; 9. a fixing plate; 10. a circular hole; 11. a travel bar; 12. a fixed block; 13. a triangular tooth block; 14. a spring; 15. rotating the disc; 16. a strip plate; 17. brushing; 18. a handle; 19. a hot water pipe; 20. a cold water pipe; 21. a fan top cover; 22. a fan; 23. and (5) stabilizing the feet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, a closed transcritical CO2 heat pump hot water unit defrosting assembly includes a hot water unit 1, the hot water unit 1 includes a housing 101 and a body 102, a square hole is formed on the right side of the housing 101, a fin evaporator 2 is fixedly connected to the inner wall of the square hole, a pressure stabilizing expansion tank 3 and a water pump 4 are fixedly connected to the inner bottom wall of the housing 101, respectively, a water inlet end of the water pump 4 is fixedly connected to a liquid inlet pipe 5, a water outlet pipe of the water pump 4 is fixedly connected to a liquid outlet pipe 6, one end of the liquid inlet pipe 5 is fixedly connected to the surface of the pressure stabilizing expansion tank 3, one end of the liquid outlet pipe 6 is fixedly connected to a heater 7, a defrosting pipe 8 is fixedly connected to the right end of the heater 7, one end of the defrosting pipe 8 is fixedly connected to the surface of the pressure stabilizing expansion tank 3, the surface of the defrosting pipe 8 is fixedly connected to the inner wall of the fin evaporator 2, two fixing plates 9 are fixedly connected to the right side of the housing 101, the front surface of the fixed plate 9 is provided with a round hole 10, the inner wall of the round hole 10 is connected with a moving rod 11 in a sliding manner, the surface of the moving rod 11 is sleeved with two springs 14, the surface of the moving rod 11 is fixedly connected with a fixed block 12, the right side of the fin evaporator 2 is rotatably connected with a rotating disc 15, the lower surface of the rotating disc 15 and the upper surface of the fixed block 12 are both fixedly connected with a plurality of triangular tooth blocks 13, the upper surface of the rotating disc 15 is fixedly connected with a strip plate 16, the strip plate 16 and the left side of the rotating disc 15 are both fixedly connected with a plurality of bristles 17, the stable pressure expansion tank 3 is internally provided with non-freezing liquid, the non-freezing liquid in the stable pressure expansion tank 3 can be conveniently transported to the heater 7 by the water pump 4 through the matching of the water pump 4, the heater 7 and the defrosting pipe 8, the heat is transferred to the fin evaporator 2 through the defrosting pipe 8 to conduct heat conduction defrosting, the two springs 14 are enabled to continuously rebound the fixed block 12 after moving by the moving rod 11, the fixing block 12 is arranged to be convenient for driving the rotating disc 15 to rotate, the rotating disc 15 is arranged to be convenient for driving the strip plate 16 to rotate, the brush bristles 17 are used for brushing and defrosting the surface of the fin evaporator 2, the problem that the conventional heat pump hot water unit is not clean in defrosting due to the fact that hot gas bypass defrosting is adopted at present, and the working efficiency of the whole system is affected due to the fact that defrosting time is too long is solved.

The lower surface of the machine body 102 is fixedly connected with the inner bottom wall of the shell 101, the machine body 102 is electrically connected with the fin evaporator 2, and the machine body 102 is used for heating cold water; the upper surface of the shell 101 is fixedly connected with a fan top cover 21, the inner wall of the fan top cover 21 is fixedly connected with a fan 22, and the fan 22 is used for dissipating heat and cooling the inside of the shell 101, so that the influence of high working environment temperature inside the hot water unit 1 on work is prevented; the right side of casing 101 is fixedly connected with hot-water line 19 and cold water pipe 20 respectively, and hot-water line 19 and cold water pipe 20 all run through the right side inner wall of casing 101, and hot-water line 19 and cold water pipe 20 all are connected through the fixed surface of pipeline with quick-witted body 102, are used for concentrating leading-in cold water through setting up cold water pipe 20 and heat, are used for concentrating the water of deriving after the heating through setting up hot-water line 19.

The four stabilizing feet 23 are fixedly connected to the lower surface of the shell 101, the four stabilizing feet 23 are arranged on the lower surface of the shell 101 in a rectangular array, and the stabilizing feet 23 are arranged for stabilizing the hot water unit 1, so that the hot water unit is prevented from shaking in the working process to influence the work; the front surface of the moving rod 11 is fixedly connected with a handle 18, the surface of the handle 18 is provided with anti-skid grains, and the moving rod 11 can be easily pulled by arranging the handle 18, so that labor is saved and convenience is realized; the triangular tooth block 13 on the lower surface of the rotating disc 15 is meshed with the triangular tooth block 13 on the upper surface of the fixed block 12, and the triangular tooth block 13 is arranged on the fixed block 12 and used for driving the rotating disc 15 to rotate.

The utility model discloses a theory of operation is: when the defrosting component of the closed transcritical CO2 heat pump hot water unit is used, a user firstly starts an external power supply of a water pump 4 (model: XBD-ISG) and a heater 7 (model: 270147-01-CP), the water pump 4 works to enable unfrozen liquid in a pressure stabilizing expansion tank 3 (model: 5L-500L) to be transported to a liquid outlet pipe 6 from a liquid inlet pipe 5 and then to enter the heater 7, the heater 7 is operated to heat and heat the unfrozen liquid, the heated unfrozen liquid flows through a defrosting pipe 8 to transfer heat to a fin evaporator 2, heat conduction defrosting is carried out on the surface of the fin evaporator 2 from the inside of a shell 101, the unfrozen liquid flowing through the defrosting pipe 8 flows back to the pressure stabilizing expansion tank 3 for recycling after heat conduction, meanwhile, a handle 18 can be grasped to pull outwards and then the handle is loosened, a movable rod 11 after the handle is loosened is subjected to the rebounding action of two springs 14 to enable the movable rod 11 to rock back and forth between two fixing plates 9, thereby drive fixed block 12 round trip movement, because the meshing of triangle tooth piece 13 on rolling disc 15 and the fixed block 12 makes rolling disc 15 horizontal hunting, and then drives rectangular board 16 horizontal hunting, rectangular board 16 and rolling disc 15 horizontal hunting make brush hair 17 brush the defrosting to the surface of fin evaporator 2 to solved the condition that present conventional heat pump hot water unit adopts hot gas bypass defrosting to have the defrosting incomplete condition, and the problem that whole system work efficiency is influenced to defrosting time overlength.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Closed transcritical CO2 heat pump hot water unit defrosting subassembly is striden, includes hot water unit (1), its characterized in that: the water heating unit (1) comprises a shell (101) and a unit body (102), a square hole is formed in the right side of the shell (101), a fin evaporator (2) is fixedly connected to the inner wall of the square hole, a pressure stabilizing expansion tank (3) and a water pump (4) are fixedly connected to the inner bottom wall of the shell (101) respectively, a liquid inlet pipe (5) is fixedly connected to the water inlet end of the water pump (4), a liquid outlet pipe (6) is fixedly connected to the water outlet pipe of the water pump (4), one end of the liquid inlet pipe (5) is fixedly connected to the surface of the pressure stabilizing expansion tank (3), a heater (7) is fixedly connected to one end of the liquid outlet pipe (6), a defrosting pipe (8) is fixedly connected to the right end of the heater (7), one end of the defrosting pipe (8) is fixedly connected to the surface of the pressure stabilizing expansion tank (3), the surface of the defrosting pipe (8) is fixedly connected to the inner wall of the fin evaporator (2), two fixed plates (9) of right side fixedly connected with of casing (101), round hole (10) have been seted up in the front of fixed plate (9), the inner wall sliding connection of round hole (10) has carriage release lever (11), the surface cover of carriage release lever (11) is equipped with two springs (14), the fixed surface of carriage release lever (11) is connected with fixed block (12), the right side of fin evaporator (2) is rotated and is connected with rolling disc (15), the lower surface of rolling disc (15) and a plurality of triangle teeth of the equal fixedly connected with of upper surface (13) of fixed block (12), the last fixed surface of rolling disc (15) is connected with rectangular board (16), rectangular board (16) and a plurality of brush hair (17) of the equal fixedly connected with in rolling disc (15) left side.

2. The closed transcritical CO2 heat pump hot water unit defrost assembly of claim 1, wherein: the lower surface of the machine body (102) is fixedly connected with the inner bottom wall of the shell (101), and the machine body (102) is electrically connected with the fin evaporator (2).

3. The closed transcritical CO2 heat pump hot water unit defrost assembly of claim 1, wherein: the upper surface fixed connection of casing (101) has fan top cap (21), the inner wall fixed connection of fan top cap (21) has fan (22).

4. The closed transcritical CO2 heat pump hot water unit defrost assembly of claim 1, wherein: the water heater is characterized in that the right side of the shell (101) is fixedly connected with a hot water pipe (19) and a cold water pipe (20) respectively, the hot water pipe (19) and the cold water pipe (20) penetrate through the inner wall of the right side of the shell (101), and the hot water pipe (19) and the cold water pipe (20) are fixedly connected with the surface of the machine body (102) through pipelines.

5. The closed transcritical CO2 heat pump hot water unit defrost assembly of claim 1, wherein: the lower surface fixedly connected with of casing (101) stabilizes foot (23), four it sets up the lower surface at casing (101) to stabilize foot (23) and be the rectangular array.

6. The closed transcritical CO2 heat pump hot water unit defrost assembly of claim 1, wherein: the front surface of the moving rod (11) is fixedly connected with a handle (18), and anti-skid grains are arranged on the surface of the handle (18).

7. The closed transcritical CO2 heat pump hot water unit defrost assembly of claim 1, wherein: the triangular tooth block (13) on the lower surface of the rotating disc (15) is meshed with the triangular tooth block (13) on the upper surface of the fixed block (12).