CN219283630U

CN219283630U - Novel household water source heat pump

Info

Publication number: CN219283630U
Application number: CN202320283292.9U
Authority: CN
Inventors: 邢福祥
Original assignee: Cangzhou Desheng Air Conditioning Equipment Co ltd
Current assignee: Cangzhou Desheng Air Conditioning Equipment Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-30
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses a novel household water source heat pump, which comprises a water taking well, a water return well, an adiabatic middle water storage tank, a water source heat pump unit and a PLC (programmable logic controller), wherein a water taking pipe is arranged between the water taking well and the adiabatic middle water storage tank, a water suction pump is arranged on the water taking pipe, a water return pipe is arranged between the water return well and the adiabatic middle water storage tank, and an electromagnetic valve is arranged on the water return pipe; a water temperature sensor and a water level sensor are also arranged on the heat-insulating middle water storage tank; the water source heat pump unit is connected with the heat-insulating middle water storage tank through a circulating water pipe, and a circulating pump is arranged on the circulating water pipe; according to the utility model, the extracted well water is stored in the heat-insulating middle water storage tank, the heat of the water in the heat-insulating middle water storage tank is directly utilized by the water source heat pump unit, so that the heat of the extracted water can be utilized to the greatest extent, the problem that the heat of the extracted water in the existing system is only taken in a limited way is avoided, the water consumption of the whole system is greatly reduced, the recharging amount is reduced, and the recharging operation of the well water is easier and easier due to the reduction of the recharging amount.

Description

Novel household water source heat pump

Technical Field

The utility model relates to the field of water source heat pumps, in particular to a novel household water source heat pump.

Background

In recent years, the technology of a water source heat pump taking well water as a low-grade heat source in China is very rapid in development, and compared with other forms of heating and ventilation systems, the water source heat pump has the advantages of energy conservation, environmental protection, small occupied area and the like; however, the well water source heat pump technology also has the defects of difficult recharging and incomplete utilization of the pumped well water heat, so that the well water heat which is difficult to pump out is wasted, and a certain lifting space is provided.

Disclosure of Invention

Aiming at the problems in the background technology, the utility model aims to provide a novel household water source heat pump which effectively solves the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the novel household water source heat pump comprises a water intake well, a water return well, an adiabatic middle water storage tank, a water source heat pump unit and a PLC (programmable logic controller), wherein a water intake pipe and a water suction pump are arranged between the water intake well and the adiabatic middle water storage tank, and a water return pipe and an electromagnetic valve are arranged between the water return well and the adiabatic middle water storage tank; a water temperature sensor and a water level sensor are also arranged on the heat-insulating middle water storage tank; the water suction pump, the electromagnetic valve, the water temperature sensor and the water level sensor are all electrically connected with the PLC; the water source heat pump unit is connected with the heat-insulating middle water storage tank through a circulating water pipe, and a circulating pump is arranged on the circulating water pipe.

Further, the heat-insulating middle water storage tank comprises an inner tank and an outer tank, a vacuum layer is arranged between the inner tank and the outer tank, and a plurality of heat-insulating support columns and getter boxes are arranged in the vacuum layer.

Furthermore, the inner side and the outer side of the outer tank are respectively provided with a heat reflection layer and a heat preservation layer.

Further, the heat reflection layer and the heat preservation layer are respectively a mirror aluminum plate and an aerogel felt layer.

Further, the heat insulation support column comprises an outer column, an inner column and a rigid heat insulation sleeve, wherein the outer column is fixedly arranged on the outer tank, the inner column is fixedly arranged on the inner tank, and the rigid heat insulation sleeve is coaxially sleeved on the outer column and the inner column.

Further, the rigid heat insulation sleeve is made of ceramic fiber board.

The utility model has the following beneficial technical effects:

according to the utility model, the extracted well water is stored in the heat-insulating middle water storage tank, the heat of the water in the heat-insulating middle water storage tank is directly utilized by the water source heat pump unit, so that the heat of the extracted water can be utilized to the greatest extent, the problem that the heat of the extracted water in the existing system is only taken in a limited way is avoided, the water consumption of the whole system is greatly reduced, the recharging amount is reduced, and the recharging operation of the well water is easier and easier due to the reduction of the recharging amount; this application modern design, job stabilization is convenient, is fit for using widely.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of an insulated intermediate water storage tank in an embodiment of the utility model;

fig. 3 is a partial enlarged view at a in fig. 2.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as directions or positional relationships based on the directions or positional relationships shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model. In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-3, the novel household water source heat pump in this embodiment includes a water intake well 1, a water return well 2, an adiabatic intermediate water storage tank 3, a water source heat pump unit 4 and a PLC controller 5, wherein a water intake pipe 6 is arranged between the water intake well 1 and the adiabatic intermediate water storage tank 3, a water suction pump 7 is arranged on the water intake pipe 6, a water return pipe 8 is arranged between the water return well 2 and the adiabatic intermediate water storage tank 3, and an electromagnetic valve 9 is arranged on the water return pipe 8; a water temperature sensor 10 and a water level sensor 11 are also arranged on the heat-insulating middle water storage tank 3; the water pump 7, the electromagnetic valve 9, the water temperature sensor 10 and the water level sensor 11 are all electrically connected with the PLC controller 5; the water source heat pump unit 4 is connected with the heat insulation intermediate water storage tank 3 through a circulating water pipe 12, and a circulating pump 13 is arranged on the circulating water pipe 12.

The heat-insulating middle water storage tank 3 comprises an inner tank 14 and an outer tank 15, a vacuum layer 16 is arranged between the inner tank 14 and the outer tank 15, and a plurality of heat-insulating support columns and getter boxes are arranged in the vacuum layer 16; the getter box comprises a first external thread section 17, a netpen section 18 and a second external thread section 19 which are coaxially arranged, the specifications of the first external thread section 17 and the second external thread section 19 are the same, screw holes matched with the first external thread section 17 and the second external thread section 19 are formed in the outer tank 15, the netpen section 18 does not protrude out of the first external thread section 17 and the second external thread section 19, a getter is placed in the netpen section 18, a central column 20 is arranged in the netpen section 18, two ends of the central column 20 are respectively fixedly connected with the first external thread section 17 and the second external thread section 18, stress of the netpen section 18 during screwing is avoided, and an openable cage door is arranged on the preferential netpen section 18, so that the getter is conveniently taken out and placed; a screwing head 21 is fixedly arranged at one end of the second external thread section 19 positioned outside the outer tank 15, when the getter reaches the expected service life and the vacuum degree in the vacuum layer 16 is reduced, the screwing head 21 can be screwed to screw the second external thread section 19 and the net cage section 18 out of the vacuum layer 16, and the vacuum layer 16 is screwed after the getter is replaced, and the getter box is always in sealing contact with the outer tank 15, so that the rapid replacement of the getter without stopping the machine can be realized, and the device is particularly convenient;

the heat insulation support column comprises an outer column 22, an inner column 23 and a rigid heat insulation sleeve 24, wherein the outer column 22 is fixedly arranged on the outer tank 15, the inner column 23 is fixedly arranged on the inner tank 14, the rigid heat insulation sleeve 24 is coaxially sleeved on the outer column and the inner column, the rigid heat insulation sleeve 24 is made of ceramic fiber plates, a rubber layer 25 is arranged between the rigid heat insulation sleeve 24 and the inner column 23 and the outer column 22, and the heat insulation support column can meet the rigid support requirement between the inner tank 14 and the outer tank 15, can avoid forming a heat bridge between the inner tank 14 and the outer tank 15, weaken heat exchange between the inner tank 14 and the outer tank 15, ensure the temperature of water pumped in the heat insulation middle water storage tank 3 and avoid heat loss; the inner side and the outer side of the outer tank 15 are also respectively provided with a heat reflection layer 26 and a heat insulation layer 27, wherein the heat reflection layer 26 is a mirror aluminum plate, and the heat insulation layer 27 is an aerogel felt layer.

The arrangement of the vacuum layer 16, the heat insulation support columns, the heat reflection layer 26 and the heat preservation layer 27 greatly weakens the heat exchange between the heat insulation middle water storage tank 3 and the outside, and is beneficial to realizing heat insulation after the extracted water reaches the inner tank 14.

The working principle of the embodiment is as follows:

the water source heat pump unit 4 pumps water in the heat-insulating middle water storage tank 3 through the circulating pump 13, and provides required cold or heat for a user by utilizing the heat of the water in the heat-insulating middle water storage tank, and the specific component combination of the water source heat pump unit 4 is the prior art in the field and is not repeated here; along with the continuous operation of the water source heat pump unit 4, the heat of the water in the heat-insulating middle water storage tank 3 is continuously extracted, the water temperature is lower and lower, after the water temperature is reduced to a set temperature, for example, 2 ℃, a water temperature sensor 10 feeds back a signal to the PLC controller 5, the PLC controller 5 sends a signal to the electromagnetic valve 9, and the electromagnetic valve 9 is opened to discharge the water in the heat-insulating middle water storage tank 3 into the backwater well 2; when the water level in the heat-insulating middle water storage tank 3 is reduced to a preset water level, a water level sensor 11 feeds back a signal to the PLC controller 5, the PLC controller 5 controls the electromagnetic valve 9 to be closed and simultaneously opens the water suction pump 7, the water suction pump 7 pumps well water in the water taking well 1 into the heat-insulating middle water storage tank 3, and after the water level in the heat-insulating middle water storage tank 3 is increased to the preset water level, the PLC controller 5 controls the water suction pump 7 to stop working;

the well water (for example, 18 ℃) can be fully utilized (for example, the well water is utilized to 2 ℃) through temporarily storing the pumped well water in the heat-insulating middle water storage tank 3 and the circulating work, and the heat utilization rate is obviously higher than that of the existing equipment; in addition, the improvement of the heat utilization rate also greatly reduces the water consumption of the whole system, so that the recharging amount is reduced, and the recharging operation of well water can be easier and easier due to the reduction of the recharging amount, thereby achieving two purposes.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The novel household water source heat pump is characterized by comprising a water taking well, a water return well, an adiabatic middle water storage tank, a water source heat pump unit and a PLC (programmable logic controller), wherein a water taking pipe is arranged between the water taking well and the adiabatic middle water storage tank, a water suction pump is arranged on the water taking pipe, and a water return pipe and an electromagnetic valve are arranged between the water return well and the adiabatic middle water storage tank; a water temperature sensor and a water level sensor are also arranged on the heat-insulating middle water storage tank; the water suction pump, the electromagnetic valve, the water temperature sensor and the water level sensor are all electrically connected with the PLC; the water source heat pump unit is connected with the heat-insulating middle water storage tank through a circulating water pipe, and a circulating pump is arranged on the circulating water pipe.

2. The novel household water source heat pump as claimed in claim 1, wherein the heat-insulating intermediate water storage tank comprises an inner tank and an outer tank, a vacuum layer is arranged between the inner tank and the outer tank, and a plurality of heat-insulating support columns and getter boxes are arranged in the vacuum layer.

3. The novel household water source heat pump as claimed in claim 2, wherein the inner side and the outer side of the outer tank are further provided with a heat reflection layer and a heat insulation layer, respectively.

4. A novel household water source heat pump as claimed in claim 3, wherein the heat reflecting layer and the heat insulating layer are respectively a mirror aluminum plate and an aerogel felt layer.

5. The novel household water source heat pump according to any one of claims 2-4, wherein the heat insulation support column comprises an outer column, an inner column and a rigid heat insulation sleeve, the outer column is fixedly arranged on the outer tank, the inner column is fixedly arranged on the inner tank, and the rigid heat insulation sleeve is coaxially arranged on the outer column and the inner column.

6. The novel household water source heat pump as claimed in claim 5, wherein the rigid heat insulating sleeve is made of ceramic fiber board.