CN217979090U

CN217979090U - Well water heat pump air conditioner device

Info

Publication number: CN217979090U
Application number: CN202221560799.6U
Authority: CN
Inventors: 张奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-12-06
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a well water heat pump air conditioning equipment, heat pump set includes first heat exchanger, a compressor, second heat exchanger and expansion valve, the casing is separated for the medium exchange chamber, unit chamber and well water exchange chamber, first heat exchanger is established in the medium exchange chamber, the medium exchange chamber still is connected with the heat exchange pipeline, the heat exchange pipeline extends to indoor, compressor and expansion valve are established at the unit intracavity, the second heat exchanger is established in the well water exchange chamber, the upper portion in well water exchange chamber is equipped with the open end, the open end is equipped with first control valve, the bottom in well water exchange chamber is connected with the one end of flexible pipe, tee bend open end an is connected to the other end of flexible pipe, tee bend open end b is connected with the water pump, tee bend open end c is equipped with the second control valve, in operation, the casing submergence is below the well water liquid level, the water pump is the alternative starting condition with the second control valve. Has the advantages that: the well water is used for realizing indoor refrigeration or heating, the energy supply stability is high, the refrigeration or heating effect is good, the efficiency is high, and the energy consumption is low.

Description

Well water heat pump air conditioner device

Technical Field

The utility model relates to a refrigeration or heating technical field, concretely relates to well water heat pump air conditioning equipment.

Background

At present, air cooling (heating) units are mostly used for heating or refrigeration in buildings, cooling capacity needs to be absorbed to the external environment during refrigeration in summer, heat needs to be absorbed to the external environment during heating in winter, the outdoor air temperature is greatly influenced by the ambient temperature in summer or winter, the ambient temperature in summer can reach more than 30 ℃ in partial areas, and the ambient temperature in winter is as low as below 20 ℃, so that the refrigeration (heating) efficiency of the air cooling (heating) units is low, and the energy consumption is high.

The geothermal source is a steady-state heat source, and the geothermal source keeps the groundwater in a constant temperature state, for example, the temperature of the groundwater in northern areas of China is generally about 16 ℃ in winter and summer. Along with the increase of the adjustment strength of the Chinese energy structure, a large number of coal mines are closed, after the coal mines are withdrawn and closed, huge underground roadway space is gradually submerged by underground water to form a large number of waste mine wells, in addition, deep wells are basically arranged in household households in rural areas so as to draw domestic water or crop irrigation water, the well water temperatures of the waste mine wells and the household deep wells basically maintain a constant temperature state, and therefore a well water heat pump geothermal air conditioning device is urgently needed to fully utilize the geothermal resources and improve the heat exchange efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a not enough of prior art is overcome to the purpose, provides a well water heat pump air conditioning equipment, utilizes well water to realize indoor refrigeration or heat, and energy supply stability is high, refrigerates or heat effectual, efficient, and the energy consumption is low.

The purpose of the utility model is achieved through the following technical measures: a well water heat pump air conditioning device comprises a shell and a heat pump unit, wherein the heat pump unit comprises a first heat exchanger, a compressor, a second heat exchanger and an expansion valve, the compressor is respectively connected with the first heat exchanger and the second heat exchanger, the expansion valve is respectively connected with the first heat exchanger and the second heat exchanger, the shell is divided into a medium exchange cavity, a unit cavity and a well water exchange cavity, the first heat exchanger is arranged in the medium exchange cavity, the medium exchange cavity is further connected with a heat exchange pipeline, the heat exchange pipeline extends indoors, the compressor and the expansion valve are arranged in the unit cavity, the second heat exchanger is arranged in the well water exchange cavity, the upper portion of the well water exchange cavity is provided with an opening end, the opening end is provided with a first control valve, the bottom of the well water exchange cavity is connected with one end of a telescopic pipe, the other end of the telescopic pipe is connected with an opening end a of a tee, the opening end b of the tee is connected with a water pump, the opening end c of the tee is provided with a second control valve, and when the well water heat pump works, the shell is immersed below the well water level, and the water pump and the second control valve are in an alternative starting state.

Furthermore, temperature sensors are arranged at the connecting part of the bottom of the well water exchange cavity and the telescopic pipe and at the opening end of the well water exchange cavity.

Further, in summer, the shell is placed close to the lower part of the well; in winter, the shell is placed close to the upper part of the well.

Furthermore, the inner wall of the medium exchange cavity is provided with a heat insulation layer.

Further, the well water exchange cavity is also provided with a liquid discharge pipe, and the liquid discharge pipe extends out of the well.

Further, the heat exchange pipeline comprises a heat exchange water inlet pipe and a heat exchange water outlet pipe, and the heat exchange water inlet pipe extends to the lower part of the medium exchange cavity.

Furthermore, the telescopic pipe is a multi-section telescopic pipe, and the multi-section telescopic pipe comprises more than 2 sections of telescopic pipe fittings.

Further, a sealing rubber ring is arranged between the adjacent 2 sections of telescopic pipe fittings.

Further, the water pump control system further comprises a control module, and the control module is connected with the temperature sensor, the first control valve, the second control valve and the water pump.

Further, the first control valve and the second control valve are both solenoid valves.

Compared with the prior art, the beneficial effects of the utility model are that: the well water heat pump air conditioning device utilizes constant-temperature well water to provide heat or cold energy, and is high in energy supply stability, good in refrigeration or heating effect and high in efficiency. The device is immersed below the liquid level of well water, so that the distance between the water pump and the shell is shortened, the lift of the water pump is reduced, the power of the water pump is reduced, and the energy consumption of the water pump is reduced. The distance between the shell and the water pump is shortened, the flowing exchange of well water in the well water exchange cavity and external well water can be realized by utilizing the well water temperature difference, the dependence on the water pump is not needed, and the energy consumption is further reduced. The water pump can be started according to the temperature of well water, so that the well water in the well water exchange cavity is in forced flow exchange with the external well water, and the refrigerating or heating effect is further ensured. In summer, the device is placed close to the lower part of the well, in winter, the device is placed close to the upper part of the well, constant-temperature well water is fully utilized, heat is prevented from being concentrated on the upper part of the well or cold is prevented from being concentrated on the lower part of the well, heat capacity of the well water is fully utilized, and pumping quantity of the well water is reduced. The first control valve is adjusted to be close to the upper part and the second control valve is adjusted to be close to the lower part according to the thickness of the water layer through the telescopic pipe, so that the temperature of the whole underground water body is fully utilized.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The device comprises a shell 1, a shell 2, a medium exchange cavity 3, a unit cavity 4, a well water exchange cavity 5, a first heat exchanger 6, a compressor 7, a second heat exchanger 8, an expansion valve 9, a telescopic pipe 10, a water pump 11, a first control valve 12, a second control valve 13, a temperature sensor 14, a heat preservation layer 15, a heat exchange water outlet pipe 16, a heat exchange water inlet pipe 17 and a liquid discharge pipe.

Detailed Description

As shown in fig. 1, a well water heat pump air conditioning device comprises a shell 1 and a heat pump unit, wherein the heat pump unit comprises a first heat exchanger 5, a compressor 6, a second heat exchanger 7 and an expansion valve 8, the compressor 6 is respectively connected with the first heat exchanger 5 and the second heat exchanger 7, the expansion valve 8 is respectively connected with the first heat exchanger 5 and the second heat exchanger 7, and the heat pump unit realizes refrigeration or heating of the heat pump unit through circulation of a heat pump medium. The shell 1 is divided into a medium exchange cavity 2, a unit cavity 3 and a well water exchange cavity 4, the first heat exchanger 5 is arranged in the medium exchange cavity 2, the medium exchange cavity 2 is further connected with a heat exchange pipeline, the heat exchange pipeline extends indoors, specifically, the heat exchange pipeline is used for circularly conveying indoor heat exchange media, the first heat exchanger 5 and the indoor heat exchange media perform heat exchange in the medium exchange cavity 2 to provide heat or cold for the indoor heat exchange media, and the indoor heat exchange media supply the heat or cold to the indoor so as to realize indoor refrigeration or heating. The compressor 6 and the expansion valve 8 are arranged in the unit cavity 3, the second heat exchanger 7 is arranged in the well water exchange cavity 4, and the second heat exchanger 7 exchanges heat with well water to absorb heat or cold of the well water. Still be equipped with seal assembly in the casing 1, seal assembly is used for sealing medium exchange chamber 2, unit chamber 3 and well water exchange chamber 4 make medium exchange chamber 2, unit chamber 3 and well water exchange chamber 4 not communicate each other, and the indoor heat transfer medium in medium exchange chamber 2 can't get into unit chamber 3 promptly, and well water in the well water exchange chamber 4 also can't get into unit chamber 3. The upper portion of well water exchange cavity 4 is equipped with the open end, the open end is equipped with first control valve 11, the bottom of well water exchange cavity 4 is connected with the one end of flexible pipe 9, the open end a of tee bend is connected to the other end of flexible pipe 9, tee bend open end b is connected with water pump 10, tee bend open end c is equipped with second control valve 12, and during operation, casing 1 submergence is below the well water liquid level, water pump 10 and second control valve 12 are the alternative start-up condition. This application utilizes homothermal well water to provide heat or cold volume, and energy supply stability is high, and the specific heat capacity of water is far greater than the specific heat capacity of air moreover, utilizes well water and heat pump set to carry out the heat exchange, and exchange efficiency is high. The application discloses well water heat pump air conditioning equipment submergence has shortened the distance between water pump 10 and the casing 1 below the well water liquid level, has reduced the lift of water pump 10, and then has reduced the power of water pump 10, has reduced the energy consumption of water pump 10. In addition, in this application, when needs refrigerate in summer, open first control valve 11 and second control valve 12, close water pump 10, heat pump set heats up and cools down in medium exchange chamber 2, heat release in well water exchange chamber 4 heats up, well water heat absorption temperature in well water exchange chamber 4 rises, along with the rise of well water temperature in well water exchange chamber 4, well water and external well water produce the density difference and make well water flow in well water exchange chamber 4, well water in well water exchange chamber 4 flows into external well water from first control valve 11, external well water flows into in well water exchange chamber 4 from second control valve 12, make well water in well water exchange chamber 4 and external well water take place the exchange, thereby reduced the temperature of well water in well water exchange chamber 4, and then make heat pump set continuously take place the heat exchange with the well water in well water exchange chamber 4, finally realize indoor continuous refrigeration. When heating is needed in winter, the first control valve 11 and the second control valve 12 are opened, the water pump 10 is closed, the heat pump unit absorbs cold and releases heat in the medium exchange cavity 2, absorbs heat and releases cold in the well water exchange cavity 4, the well water absorption and cooling temperature in the well water exchange cavity 4 is reduced, the temperature of the well water is generally maintained at about 16 ℃, and the temperature of the well water is generally difficult to be reduced to below 4 ℃ in the heat exchange process of the heat pump, so that the density of the well water is increased along with the reduction of the temperature of the well water in the well water exchange cavity 4, the well water in the well water exchange cavity 4 flows into external well water from the second control valve 12, the external well water flows into the well water exchange cavity 4 from the first control valve 11, the well water in the well water exchange cavity 4 is exchanged with the external well water, the temperature of the well water exchange cavity 4 is increased, the heat pump unit continuously exchanges heat with the well water in the well water exchange cavity 4, and finally continuous heating in the room is achieved. In addition, in the process of refrigeration or heating, the second control valve 12 can be closed according to requirements, the water pump 10 and the first control valve 11 are opened, and the well water exchange cavity 4 is forcibly exchanged with the external well water by the water pump 10.

Temperature sensors 13 are arranged at the connecting part of the bottom of the well water exchange cavity 4 and the telescopic pipe 9 and at the opening end of the well water exchange cavity 4. Specifically, the temperature of the well water is measured by the temperature sensor 13, and whether the water pump 10 needs to be started is determined according to the well water temperature. When refrigerating in summer, as well water in the well water exchange cavity 4 flows into external well water from the first control valve 11, and the external well water flows into the well water exchange cavity 4 from the second control valve 12, the temperature of the external well water entering the well water exchange cavity 4 is measured by the temperature sensor 13 at the connection part of the bottom of the well water exchange cavity 4 and the telescopic pipe 9, the temperature of the well water flowing out of the well water exchange cavity 4 is measured by the temperature sensor 13 at the opening end of the well water exchange cavity 4, when the temperature of the external well water reaches above 27 ℃, the temperature of the well water in the well water exchange cavity 4 is proved to have reached above 27 ℃, and at the moment, in order to guarantee the exchange efficiency of the heat pump, the water pump 10 needs to be started to forcibly exchange the well water in the well water exchange cavity 4 to reduce the temperature. When heating in winter, well water in the well water exchange cavity 4 flows into external well water from the second control valve 12, and the external well water flows into the well water exchange cavity 4 from the first control valve 11, so that the temperature of the well water flowing out of the well water exchange cavity 4 is measured by the temperature sensor 13 at the connection part of the bottom of the well water exchange cavity 4 and the telescopic pipe 9, the temperature of the external well water entering the well water exchange cavity 4 is measured by the temperature sensor 13 at the opening end of the well water exchange cavity 4, and when the temperature of the external well water reaches below 10 ℃, the temperature of the well water in the well water exchange cavity 4 is proved to have reached above 10 ℃, and at this time, in order to ensure the exchange efficiency of the heat pump, the water pump 10 needs to be started to forcibly exchange the well water in the well water exchange cavity 4 to increase the temperature.

In summer, the shell 1 is placed close to the lower part of the well, and in winter, the shell 1 is placed close to the upper part of the well. Specifically, when refrigerating in summer, well water in the well water exchange cavity 4 flows into external well water from the first control valve 11, the well water which absorbs heat in the well water exchange cavity 4 enters the external well water from the first control valve 11 and flows upwards in the external well water, and the shell 1 is arranged close to the lower part of the water well to provide enough rising space, so that the heat of the well water is fully absorbed by the external constant-temperature well water in the rising process. When heating is carried out in winter, well water in the well water exchange cavity 4 flows into external well water from the second control valve 12, cold energy in the well water exchange cavity 4 enters the external well water from the second control valve 12 and flows downwards, the shell 1 is arranged close to the upper part of the well to provide enough sinking space, and the cold energy of the well water in the sinking process is fully absorbed by the external constant-temperature well water.

And the inner wall of the medium exchange cavity 2 is provided with an insulating layer 14. Further preferably, the heat exchange pipeline is wrapped with a heat insulation sleeve. The arrangement of the heat-insulating layer 14 and the heat-insulating sleeve can reduce the heat or cold loss of the indoor heat-exchange medium before the indoor heat-exchange medium enters the room, and increase the indoor heat-exchange effect.

The well water exchange cavity 4 is also provided with a liquid discharge pipe 17, and the liquid discharge pipe 17 extends out of the well. Specifically, the first control valve 11 and the second control valve 12 may be closed, the water pump 10 may be started to inject the external well water into the well water exchange cavity 4, and the well water in the well water exchange cavity 4 may be conveyed out of the well.

The heat exchange pipeline comprises a heat exchange water inlet pipe 16 and a heat exchange water outlet pipe 15, and the heat exchange water inlet pipe 16 extends to the lower part of the medium exchange cavity 2.

The telescopic pipe 9 is a multi-section telescopic pipe, and the multi-section telescopic pipe comprises more than 2 sections of telescopic pipe fittings. Specifically, the multi-section telescopic pipe is composed of a plurality of telescopic pipe fittings, and the adjacent 2 telescopic pipe fittings are connected in a sliding mode. Further, a sealing rubber ring is arranged between the adjacent 2 sections of telescopic pipe fittings. The underground water bodies are different in depth, the first control valve 11 can be adjusted to be close to the upper portion through the extension pipe 9 according to the thickness of a water layer, and the second control valve 12 is close to the lower portion, so that the temperature of the whole underground water body is fully utilized.

The water pump control system further comprises a control module, and the control module is connected with the temperature sensor 13, the first control valve 11, the second control valve 12 and the water pump 10. Further, the control module is also connected with the compressor 6.

The first control valve 11 and the second control valve 12 are both solenoid valves.

The first heat exchanger 5 is a condensing coil, and the second heat exchangers 7 are evaporation coils.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a well water heat pump air conditioning equipment, includes casing and heat pump set, heat pump set includes first heat exchanger, compressor, second heat exchanger and expansion valve, the compressor is connected with first heat exchanger and second heat exchanger respectively, the expansion valve is connected its characterized in that with first heat exchanger and second heat exchanger respectively: the shell is divided into a medium exchange cavity, a unit cavity and a well water exchange cavity, the first heat exchanger is arranged in the medium exchange cavity, the medium exchange cavity is further connected with a heat exchange pipeline, the heat exchange pipeline extends indoors, the compressor and the expansion valve are arranged in the unit cavity, the second heat exchanger is arranged in the well water exchange cavity, the upper portion of the well water exchange cavity is provided with an open end, the open end is provided with a first control valve, the bottom of the well water exchange cavity is connected with one end of a telescopic pipe, the other end of the telescopic pipe is connected with an open end a of a tee, an open end b of the tee is connected with a water pump, an open end c of the tee is provided with a second control valve, when the shell is immersed below the liquid level of well water during working, and the water pump and the second control valve are in an alternative starting state.

2. The well water heat pump air conditioner as claimed in claim 1, wherein: and temperature sensors are arranged at the connecting part of the bottom of the well water exchange cavity and the telescopic pipe and at the opening end of the well water exchange cavity.

3. The well water heat pump air conditioning device of claim 1, wherein: in summer, the shell is placed close to the lower part of the well; in winter, the shell is placed close to the upper part of the well.

4. The well water heat pump air conditioning device of claim 1, wherein: and the inner wall of the medium exchange cavity is provided with a heat insulation layer.

5. The well water heat pump air conditioning device of claim 1, wherein: and the well water exchange cavity is also provided with a liquid discharge pipe, and the liquid discharge pipe extends out of the well.

6. The well water heat pump air conditioning device of claim 1, wherein: the heat exchange tube comprises a heat exchange water inlet tube and a heat exchange water outlet tube, and the heat exchange water inlet tube extends to the lower part of the medium exchange cavity.

7. The well water heat pump air conditioning device of claim 1, wherein: the telescopic pipe is a multi-section telescopic pipe, and the multi-section telescopic pipe comprises more than 2 sections of telescopic pipe fittings.

8. The well water heat pump air conditioning device according to claim 7, characterized in that: and a sealing rubber ring is arranged between the adjacent 2 sections of telescopic pipe fittings.

9. The well water heat pump air conditioning device of claim 1, wherein: the water pump control device is characterized by further comprising a control module, wherein the control module is connected with the temperature sensor, the first control valve, the second control valve and the water pump.

10. The well water heat pump air conditioning device of claim 1, wherein: the first control valve and the second control valve are both solenoid valves.