Heat pump water cooling / heating device

Abstract

A heat pump water cooling / heating device comprises a heat pump main machine, a heat preservation energy storage water tank, a front-mounted water pump, a rear-mounted water pump, a water dividing and collecting device and a cooling / heating tail end, the heat pump main machine and the heat preservation energy storage water tank form a front circulation cooling / heating water path through a front-mounted water supply pipe and a front-mounted water return pipe, and the front-mounted water pump is arranged on the front-mounted water return pipe; the heat preservation energy storage water tank and the water dividing and collecting device form a rear circulating water path through a rear water supply pipe and a rear water return pipe. A rear water pump is arranged on the rear water supply pipe. And the cold-warm tail end is communicated with the sub-catchment device. Due to the arrangement of the heat preservation and energy storage water tank, the heat pump main machine needs to be defrosted, heat energy and cold energy need to be exchanged with water in the heat preservation and energy storage water tank during defrosting, and the indoor temperature reduction range during defrosting is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of heat pump systems. BACKGROUND

[0002] The prior art, Chinese patent 2021109434561, discloses a heat pump air conditioner with dehumidification function, which comprises a heat pump main unit, a cooling / heating circulation system, an indoor heat exchanger, and a dehumidification temperature regulator installed indoors. The heat pump main unit includes a compressor, a first heat exchanger, a fan, a second heat exchanger, a four-way valve, and an expansion valve. The cooling / heating circulation system includes a cooling / heating pipeline, a cold / hot return pipeline, a third heat exchanger, a distribution water collector, and a circulating water pump. The second heat exchanger and the third heat exchanger are coupled to form a double-flow heat exchanger. The indoor heat exchanger and the dehumidification temperature regulator are connected in series with the distribution water collector, or the indoor heat exchanger and the dehumidification temperature regulator are connected to the distribution water collector separately. The dehumidification temperature regulator works with the cooling / heating circulation system. The problem is that during heating and defrosting, the indoor temperature drops. SUMMARY

[0003] The utility model aims to provide a heat pump water cooling / warming device that maintains indoor temperature during defrosting.

[0004] The utility model is implemented as follows: a heat pump water cooling / warming device, which is characterized by comprising a heat pump main unit, a heat-insulating energy storage water tank, a front water pump, a rear water pump, a distribution water collector, and a cooling / warming terminal,

[0005] The heat pump main unit and the heat-insulating energy storage water tank form a front circulation cooling / warming water path through a front water supply pipe and a front water return pipe. The front water pump is arranged on the front water return pipe. The heat-insulating energy storage water tank and the distribution water collector form a rear circulation water path through a rear water supply pipe and a rear water return pipe. The rear water pump is arranged on the rear water supply pipe. The cooling / warming terminal is connected to the distribution water collector.

[0006] The heat pump water cooling / warming device is characterized in that a front filter is arranged between the front water pump and the heat-insulating energy storage water tank, and a rear filter is arranged between the heat-insulating energy storage water tank and the rear water pump.

[0007] The heat pump water cooling / warming device is characterized in that a water pressure gauge is arranged on the rear water supply pipe.

[0008] The heat pump water cooling / warming device is characterized in that it further comprises a check valve and a stop valve,

[0009] The municipal pipeline, the stop valve, the check valve, and the rear water return pipe are connected in sequence.

[0010] The heat pump water cooling / warming device is characterized in that a blowdown valve is arranged at the bottom of the heat-insulating energy storage water tank.

[0011] The heat pump water cooling / warming device, wherein the back water return pipe is provided with an expansion tank.

[0012] The heat pump water cooling / warming device, wherein the cold / warm end is a wind disc type heat exchanger, a fin type heat exchanger or a pre-buried heat exchange coil in a wall or a floor.

[0013] The heat pump water cooling / warming device, wherein the device further comprises a temperature removing and adjusting machine, a first stop valve, a second stop valve and a third stop valve arranged on the ground,

[0014] The first stop valve and the second stop valve are arranged at two ends of the temperature removing and adjusting machine and are communicated with the water return pipes of the cold / warm end, and the third stop valve is arranged on the water return pipe between the first stop valve and the second stop valve.

[0015] Or the temperature removing and adjusting machine is directly communicated with the distribution water tank.

[0016] The heat pump water cooling / warming device of the utility model, the setting of the heat preservation and energy storage water tank, the heat pump host needs to defrost, the defrosting needs heat energy, the cold energy exchanges with the water of the heat preservation and energy storage water tank, reduces the amplitude of indoor temperature drop when defrosting. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the flow chart of the utility model. DETAILED DESCRIPTION

[0018] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as a limitation of the utility model.

[0019] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] As shown in Figure 1 A heat pump water cooling / warming device, comprising a heat pump host 1, a heat preservation and energy storage water tank 2, a front water pump 31, a back water pump 32, a distribution water tank 4 and a cold / warm end 5,

[0021] The heat pump host 1 and the heat preservation energy storage water tank 2 are connected through a front water supply pipe and a front water return pipe to form a front circulating cold / warm water path, and the front water pump 31 is arranged on the front water return pipe; the heat preservation energy storage water tank 2 and the distribution header 4 are connected through a rear water supply pipe and a rear water return pipe to form a rear circulating water path, and the rear water pump 32 is arranged on the rear water supply pipe; and the cold / warm terminal is communicated with the distribution header 4.

[0022] As a further improvement of the utility model: the front water pump 31 and the heat preservation energy storage water tank 2 are provided with a front filter 61, and the heat preservation energy storage water tank 2 and the rear water pump 32 are provided with a rear filter 62. By adopting the design, the scale or impurities in the heat preservation energy storage water tank 2 can be prevented from entering the water side heat exchanger of the heat pump host 1; the scale or impurities can be prevented from entering the distribution header, and then the scale or impurities can be prevented from entering the cold / warm terminal 5, thereby prolonging the maintenance period.

[0023] As a further improvement of the utility model: the rear water supply pipe is provided with a water pressure gauge 7.

[0024] As a further improvement of the utility model: the utility model further comprises a check valve 8 and a stop valve 9,

[0025] The municipal pipeline, the stop valve 9, the check valve 8 and the rear water return pipe are sequentially communicated.

[0026] As a further improvement of the utility model: the bottom of the heat preservation energy storage water tank 2 is provided with a blowdown valve 21.

[0027] The cold / warm terminal 5 is a wind disc type heat exchanger, a fin type heat exchanger or a pre-buried heat exchange coil in a wall or a floor.

[0028] As a further improvement of the utility model: the utility model further comprises a temperature removing and adjusting machine 10 arranged on the ground, a first stop valve 111, a second stop valve 112 and a third stop valve 113,

[0029] The first stop valve 111 and the second stop valve 112 are arranged at two ends of the temperature removing and adjusting machine 10 and are respectively communicated with the water return pipes of the cold / warm terminal 5, and the third stop valve 113 is arranged on the water return pipe between the first stop valve and the second stop valve;

[0030] Or the temperature removing and adjusting machine 10 is directly communicated with the distribution header 4.

[0031] By adopting the design, when refrigeration, the temperature removing and adjusting machine 10 can play a role in dehumidification and temperature reduction when the indoor humidity is too large; and when heating, the temperature removing and adjusting machine 10 can play a role in indoor air circulation and heating.

[0032] As a further improvement of the utility model: the rear water return pipe is provided with an expansion tank 12.

[0033] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A heat pump water cooling / warming device, characterized by: The heat pump host, the heat preservation energy storage water tank, the front water pump, the rear water pump, the distribution water collector and the cold / warm terminal, The heat pump host and the heat preservation energy storage water tank form a front circulating cold / warm water path through a front water supply pipe and a front water return pipe, and the front water pump is arranged on the front water return pipe; the heat preservation energy storage water tank and the distribution water collector form a rear circulating water path through a rear water supply pipe and a rear water return pipe, and the rear water pump is arranged on the rear water supply pipe; and the cold / warm terminal is communicated with the distribution water collector.

2. A heat pump water cooling / warming device according to claim 1, characterized in that: A front filter is arranged between the front water pump and the heat preservation energy storage water tank, and a rear filter is arranged between the heat preservation energy storage water tank and the rear water pump.

3. A heat pump water cooling / warming device according to claim 1, characterized in that: A water pressure gauge is arranged on the rear water supply pipe.

4. A heat pump water cooling / warming device according to claim 1, characterized in that: A one-way valve and a stop valve are further included, The municipal pipeline, the stop valve, the one-way valve and the rear water return pipe are sequentially communicated.

5. A heat pump water cooling / warming apparatus according to claim 1, characterized by: A sewage valve is arranged at the bottom of the heat preservation energy storage water tank.

6. A heat pump water cooling / warming apparatus according to claim 1, characterized by: An expansion tank is arranged on the rear water return pipe.

7. A heat pump water cooling / warming apparatus according to claim 1, 2, 3, 4, 5 or 6, characterized by: The cold / warm terminal is a wind disc type heat exchanger, a fin type heat exchanger or a heat exchange coil pipe embedded in a wall or a floor.

8. A heat pump water cooling / warming device according to claim 7, characterized in that: A temperature removing and adjusting machine arranged on the ground, a first stop valve, a second stop valve and a third stop valve are further included, The first stop valve and the second stop valve are arranged at two ends of the temperature removing and adjusting machine and are communicated with the water return pipes of the cold / warm terminal, and the third stop valve is arranged on the water return pipe path between the first stop valve and the second stop valve; Or directly communicated with the distribution water collector.

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