CN201779922U - Indoor triple-generation ground source heat pump (GSHP) unit based on air-conditioning cooling, air-conditioning heating and sanitary hot water - Google Patents

Indoor triple-generation ground source heat pump (GSHP) unit based on air-conditioning cooling, air-conditioning heating and sanitary hot water Download PDF

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Publication number
CN201779922U
CN201779922U CN2010202233431U CN201020223343U CN201779922U CN 201779922 U CN201779922 U CN 201779922U CN 2010202233431 U CN2010202233431 U CN 2010202233431U CN 201020223343 U CN201020223343 U CN 201020223343U CN 201779922 U CN201779922 U CN 201779922U
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China
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heat exchanger
air
heat
water
conditioning
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Expired - Fee Related
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CN2010202233431U
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Chinese (zh)
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徐斌斌
高波
乔振勇
倪吉
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Sichuan Institute of Building Research
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Sichuan Institute of Building Research
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Abstract

The utility model discloses an indoor triple-generation ground source heat pump (GSHP) unit based on air-conditioning cooling, air-conditioning heating and sanitary hot water. The GSHP unit mainly comprises a throttling element, a four-way reversing valve, a user side heat exchanger, a compressor and a water source side heat exchanger, wherein the user side heat exchanger, the compressor and the water source side heat exchanger are connected with the four-way reversing valve; and the throttling element is connected between the user side heat exchanger and the water source side heat exchanger. The GSHP unit is characterized in that a second solenoid valve and a heat recovery heat exchanger are also connected between an exhaust port of the compressor and the four-way reversing valve in series; and a pipeline between the second solenoid valve and the heat recovery heat exchanger passes through a first solenoid valve and an expansion valve and is then connected with a pipeline between the throttling element and the water source side heat exchanger. The utility model has the advantages that the structure is compact; and the functions of cooling, heating and hot water supply are achieved only through the compressor and the three heat exchangers, and can be discretionally selected according to users' needs, so as to fully meet various living demands of users.

Description

Heat family formula three alliance earth source heat pump units with health hot water based on air conditioner refrigerating, air-conditioning
Technical field
The utility model relates to a kind of earth source heat pump unit, specifically is meant a kind ofly to heat family formula three alliance earth source heat pump units with health hot water based on air conditioner refrigerating, air-conditioning.
Background technology
Earth-source hot-pump system is a kind of heating and air-conditioning system of efficient energy-saving, and it can extract free tow taste heat and obtain high-grade heat more than 45 ℃ from soil, underground water or surface water, and its Energy Efficiency Ratio can be up to more than 400%.Summer is when freezing, because of soil or phreatic temperature well below air themperature, so the efficient of unit refrigeration can reach more than 6.0, is higher than the Energy Efficiency Ratio of air cooled refrigeration unit about 3.0 far away; If the electric weight that earth source heat pump hot water unit is used to produce with synthermal its consumption of health hot water of amount only is equivalent to 1/3~1/5 of electric heater, there is not the extremely low problem of air source hot pump water heater frosting in winter efficient, be at present the most energy-conservation hot water supply form.
Earth-source hot-pump system can provide refrigerating function without cooling tower in summer, provide heat-production functions without boiler or electric heater winter, therefore earth-source hot-pump system is in the area that needs central water supply, such as local use comparatively extensive such as school, hotel, large-scale dwelling house.But, these all are both to have needed to supply air-conditioning such as places such as school, hotel, large-scale dwelling houses at present, need to supply the building of health hot water again, and exhausted most in the market earth source heat pump unit all can only provide summer air conditioner refrigerating, the function that winter, air-conditioning heated, therefore can not satisfy the multi-level demand of present people far away.
The utility model content
The purpose of this utility model be to overcome these earth source heat pump units can only be single at present provide summer air conditioner refrigerating and the function that winter, air-conditioning heated, and can not reclaim the defective that heat energy provides sanitary water once more, provide a kind of not only simple in structure, cost of manufacture is cheap, and can also be simultaneously or realize that separately air conditioner refrigerating, air-conditioning heat and provide health to heat family formula three alliance earth source heat pump units with health hot water with hot water based on air conditioner refrigerating, air-conditioning.
The purpose of this utility model is achieved through the following technical solutions: heat family formula three alliance earth source heat pump units with health hot water based on air conditioner refrigerating, air-conditioning, mainly by restricting element, four-way change-over valve, and the user side heat exchanger that is connected with this four-way change-over valve, compressor and water source side heat exchanger composition, described restricting element is connected between user side heat exchanger and the water source side heat exchanger simultaneously.Between the exhaust outlet of compressor and four-way change-over valve, also be serially connected with magnetic valve two and heat recovering heat exchanger, and the pipeline between magnetic valve two and the heat recovering heat exchanger by magnetic valve one and expansion valve after with restricting element and water source side heat exchanger between pipeline be connected.
In order better to realize the utility model, described restricting element adopts capillary, electric expansion valve or heating power expansion valve; The heat exchange area of described heat recovering heat exchanger is more than or equal to the heat exchange area of water source side heat exchanger.
Further, also be connected with the pressure balance pipe of expansion valve on the pipeline between described four-way change-over valve and the water source side heat exchanger; On the pipeline between magnetic valve one and the expansion valve, also be serially connected with fluid reservoir and device for drying and filtering one; On the pipeline between restricting element and the user side heat exchanger, also be serially connected with device for drying and filtering three; On the pipeline between water source side heat exchanger and the restricting element, also be serially connected with device for drying and filtering two.
Also be serially connected with gas-liquid separator on the return-air mouth of described compressor and the pipeline between the four-way change-over valve; The water source that described water source side heat exchanger is taken is ground pipe laying recirculated water, underground water, surface water or sewage.
The utility model is compared than prior art, has the following advantages and beneficial effect:
(1) user side heat exchanger of the present utility model can reclaim the used heat of summer air-conditioning effective, repeatedly, therefore can reduce the discharging of heat energy, helps environmental protection.
(2) the utility model compact conformation has only just been realized cooling, heating and three kinds of functions of heat supply water with a compressor and three heat exchangers, and its function of all right as required conversion arbitrarily of people, thereby can fully satisfy people's multiple life requirement.
(3) the utility model does not need transition season and in two seasons of summer in winter indivedual periods of cooling heating in building, can produce the hot water of capacity separately, do not need auxiliary heat wetting systems such as boiler or water heater, overcome the defective that air source hot pump water heater frosting in winter can not normally heat water; Produce same hot water cost and only be equivalent to 1/3~1/5 of electric heater, not only reduced people's life cost effectively, and advanced energy-saving and emission-reduction effectively.
(4) the utility model summer refrigeration duty much larger than the area of thermic load in winter, remedied long-term use geothermal energy and carried out cooling heating, cause the unbalanced problem of underground cold amount, protected underground temperature field and ecological environment effectively.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Structural representation when Fig. 2 heats water for the utility model separate refrigeration or recuperation of heat simultaneously.
Fig. 3 heats separately for the utility model or the structural representation when producing health hot water simultaneously.
Structural representation when Fig. 4 heats water separately for the utility model.
Wherein, the name of the Reference numeral in the accompanying drawing is called:
The 1-compressor, 2-heat recovering heat exchanger, 3-magnetic valve one, 4-magnetic valve two, 5-four-way change-over valve, 6-device for drying and filtering one, the 7-expansion valve, 8-water source side heat exchanger, 9-device for drying and filtering two, the 10-capillary, 11-device for drying and filtering three, 12-user side heat exchanger, 13-gas-liquid separator, the 14-fluid reservoir, 15-pressure balance pipe.
The specific embodiment
Below in conjunction with embodiment the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
As shown in Figure 1, a port of four-way change-over valve 5 of the present utility model is connected with gas-liquid separator 13 through copper pipe, and the other end of this gas-liquid separator 13 then is connected through the input of copper pipe with compressor 1.In order to satisfy cooling, heating and three kinds of functions of heat supply water, the utility model includes three kinds of different heat exchangers, promptly is used for the user side heat exchanger 12 and the water source side heat exchanger 8 of cooling and/or heat supply, and the heat recovering heat exchanger 2 that is used for the hot water supply.In order to realize the utility model preferably, the heat exchange area of described heat recovering heat exchanger 2 is greater than or equals the heat exchange area of water source side heat exchanger 8.
The cold coal pipeline interface of one of them of user side heat exchanger 12 directly is connected with a port of four-way change-over valve 5, and another cold coal pipeline interface then is connected with restricting element 10 drying filter 3 11 backs.Two Fabric Interfaces of this user side heat exchanger 12 are the used heat pipeline of external air-conditioning or the used heat pipeline that other can utilize again then.As required, this restricting element 10 can adopt capillary, electric expansion valve or heating power expansion valve to realize.
The exhaust outlet of described compressor 1 is connected with the cold coal pipeline interface of heat recovering heat exchanger 2 by copper pipe, and the cold coal pipeline interface of another of this heat recovering heat exchanger 2 then is connected in the 3rd port of four-way change-over valve 5 behind magnetic valve 24.Two Fabric Interfaces of this heat recovering heat exchanger 2 then can be external need to use the pipeline of hot water, so as by with the heat exchange of these heat recovering heat exchanger 2 inside, in this Fabric Interface, produce 40 ℃~60 ℃ health hot water.Last port of four-way change-over valve 5 then directly is connected with the cold coal pipeline interface of water source side heat exchanger 8, the cold coal pipeline interface of another of this water source side heat exchanger 8 then behind the drying filter 29 three-way pipe through T-shape be connected with restricting element 10.Two Fabric Interfaces of this water source side heat exchanger 8 then by pipeline be connected such as water sources such as ground pipe laying recirculated water, underground water, surface water or sewage so that therefrom draw heat energy.
Simultaneously, between the pipeline of magnetic valve 24 and heat recovering heat exchanger 2, also be provided with a branch road that is connected with the three-way pipe of T-shape.This branch road comprises the magnetic valve 1 that is arranged between magnetic valve 24 and heat recovering heat exchanger 2 pipelines, and one 3 of this magnetic valves are serially connected with fluid reservoir 14, device for drying and filtering 1 and expansion valve 7 successively by copper pipe.The other end of this expansion valve 7 then is connected with the three-way pipe of this T-shape, and in order to ensure result of use, the pressure balance pipe 15 of this expansion valve 7 also is connected on the pipeline between water source side heat exchanger 8 and the four-way change-over valve 5.
During use,,, only need between four-way change-over valve 5, magnetic valve 1 and magnetic valve 24, carry out various switchings and can realize as needs refrigeration, heat supply or when health hot water is provided according to different needs.
Now with in separate refrigeration or carry out recuperation of heat simultaneously to heat water be that example describes in summer, its concrete structure as shown in Figure 2, its flow process is: magnetic valve 24 is opened, and magnetic valve 1 cuts out.During compressor 1 work, high-temperature high-pressure refrigerant steam is discharged from its output, produce 40~60 ℃ of hot water through heat recovering heat exchanger 2 heat releases and (carry out recuperation of heat during by heat recovering heat exchanger 2 automatically as water, its recuperation of heat amount is determined according to the temperature of the water of flowing through), gaseous refrigerant emits the part heat after four-way change-over valve 5 flows to the 8 condensation heat releases of water source side heat exchanger, release heat is given buried pipe network recirculated water or other available water sources, as surface water or underground water (temperature of source water is generally 10~35 ℃), the liquid state of warm high pressure during cold-producing medium after the condensation heat release becomes, drying filter 29, the gas-liquid two-phase cold-producing medium of capillary 10 throttling step-downs becoming low-temp low-pressure, the gas-liquid two-phase cold-producing medium drying filter 3 11 of low-temp low-pressure, flow in the user side heat exchanger 12 and air-conditioner circulating water heat-shift (the turnover temperature of air-conditioner circulating water is generally 7~12 ℃), become the gaseous refrigerant of low-temp low-pressure through four-way change-over valve 5 after the gas-liquid two-phase cold-producing medium heat absorption of low-temp low-pressure, gas-liquid separator 13 is got back to compressor 1 input, finishes a working cycles.Compressor 1 continuous operation, heat just discharges continuously to be heated water for heat recovering heat exchanger 2 and is discharged into underground or other available water sources by water source side heat exchanger 8, and the heat that 12 on user side heat exchanger absorbs the room continuously by the air-condition freezing water circulation system reaches the purpose of refrigeration.Whether heat recovering heat exchanger 2 is enabled is then determined according to the demand of hot water, as long as air conditioner refrigerating in operation, reclaims the free heat that air-conditioning is discharged by recirculated water or the direct current water of opening heat recovering heat exchanger 2 at any time.
To heat or to produce simultaneously hot water in the winter time separately is that example describes, its structure as shown in Figure 3, its workflow is: magnetic valve 24 is opened, and magnetic valve 1 cuts out.During compressor 1 work, high-temperature high-pressure refrigerant steam is discharged from its output, produce 40~60 ℃ of hot water through heat recovering heat exchanger 2 heat releases and (carry out heat exchange during by heat recovering heat exchanger 2 automatically as water, its heat exchange amount is determined according to the temperature of the water of flowing through), gaseous refrigerant emits the part heat after four-way change-over valve 5 flows to the 12 condensation heat releases of user side heat exchanger, release heat is given air-conditioning system recirculated water (the turnover temperature of air-conditioner circulating water is generally 40~45 ℃), the liquid state of warm high pressure during cold-producing medium after the condensation heat release becomes, drying filter 3 11, the gas-liquid two-phase cold-producing medium of capillary 10 throttling step-downs becoming low-temp low-pressure, the gas-liquid two-phase cold-producing medium drying filter 29 of low-temp low-pressure, flow in the water source side heat exchanger 8 and ground pipe laying recirculated water or other available water source heat-shifts (temperature of source water is generally 10~35 ℃), become the gaseous refrigerant of low-temp low-pressure through four-way change-over valve 5 behind the heat in the gas-liquid two-phase cold-producing medium absorption water source of low-temp low-pressure, gas-liquid separator 13 is got back to compressor 1 input, finishes a working cycles.Compressor 1 continuous operation, heat just discharges continuously to be heated water and is discharged into the air conditioning hot circulatory system by user side heat exchanger 12 for heat recovering heat exchanger 2 to reach the purpose that heats to the room heat dissipation capacity continuously, and 8 on water source side heat exchanger absorbs heat in ground pipe laying recirculated water or other the available water sources continuously by the water source circulatory system.Whether heat recovering heat exchanger 2 is enabled is then determined according to the demand of hot water, as long as air-conditioning heats in operation, produce hot water by recirculated water or the direct current water of opening heat recovering heat exchanger 2 at any time, the heating amount in supply room can decrease when producing hot water, but owing to increased condensation area, reduced condenser heat transfer temperature difference and condensation temperature, unit efficiency can improve.
Be example when heating water separately with the whole year, its structure as shown in Figure 4, its workflow is: magnetic valve 1 is opened, and magnetic valve 24 cuts out.During compressor 1 work, high-temperature high-pressure refrigerant steam is discharged from its output, 40~60 ℃ of hot water are produced in 2 heat releases through heat recovering heat exchanger, the liquid state of warm high pressure in becoming after the gaseous refrigerant condensation heat release, through fluid reservoir 14, device for drying and filtering 1, the gas-liquid two-phase cold-producing medium of expansion valve 7 throttling step-downs becoming low-temp low-pressure, the gas-liquid two-phase cold-producing medium drying filter 29 of low-temp low-pressure, flow in the water source side heat exchanger 8 and ground pipe laying recirculated water or other available water source heat-shifts (temperature of source water is generally 10~35 ℃), become the gaseous refrigerant of low-temp low-pressure through four-way change-over valve 5 behind the heat in the gas-liquid two-phase cold-producing medium absorption water source of low-temp low-pressure, gas-liquid separator 13 is got back to compressor 1 input, finishes a working cycles.Compressor 1 continuous operation, heat just discharges continuously to be heated water for heat recovering heat exchanger 2 to satisfy instructions for use up to the hot water temperature, and 8 on water source side heat exchanger absorbs heat in ground pipe laying recirculated water or other the available water sources continuously by the water source circulatory system.When heating water separately, the Energy Efficiency Ratio of unit can reach 3~5, and its power consumption only is equivalent to 1/3~1/5 of electric heater, and is higher more than 80% than air source hot pump water heater efficient when heat water winter.
As mentioned above, just can well realize the utility model.

Claims (9)

1. based on air conditioner refrigerating, air-conditioning heats the family formula three alliance earth source heat pump units with health hot water, mainly by restricting element (10), four-way change-over valve (5), and the user side heat exchanger (12) that is connected with this four-way change-over valve (5), compressor (1) and water source side heat exchanger (8) are formed, described restricting element (10) is connected between user side heat exchanger (12) and the water source side heat exchanger (8) simultaneously, it is characterized in that: between the exhaust outlet of compressor (1) and four-way change-over valve (5), also be serially connected with magnetic valve two (4) and heat recovering heat exchanger (2), and the pipeline between magnetic valve two (4) and the heat recovering heat exchanger (2) is connected with pipeline between restricting element (10) and the water source side heat exchanger (8) by magnetic valve one (3) and expansion valve (7) back also.
2. according to claim 1ly heat family formula three alliance earth source heat pump units with health hot water based on air conditioner refrigerating, air-conditioning, it is characterized in that: described restricting element (10) is capillary, electric expansion valve or heating power expansion valve.
3. according to claim 1 and 2ly heat family formula three alliance earth source heat pump units with health hot water based on air conditioner refrigerating, air-conditioning, it is characterized in that: the heat exchange area of described heat recovering heat exchanger (2) is more than or equal to the heat exchange area of water source side heat exchanger (8).
4. according to claim 3ly heat family formula three alliance earth source heat pump units with health hot water, it is characterized in that: the pressure balance pipe (15) that also is connected with expansion valve (7) on the pipeline between described four-way change-over valve (5) and the water source side heat exchanger (8) based on air conditioner refrigerating, air-conditioning.
5. according to claim 4ly heat family formula three alliance earth source heat pump units with health hot water, it is characterized in that: on the pipeline between magnetic valve one (3) and the expansion valve (7), also be serially connected with fluid reservoir (14) and device for drying and filtering one (6) based on air conditioner refrigerating, air-conditioning.
6. according to claim 5ly heat family formula three alliance earth source heat pump units with health hot water, it is characterized in that: on the pipeline between restricting element (10) and the user side heat exchanger (12), also be serially connected with device for drying and filtering three (11) based on air conditioner refrigerating, air-conditioning.
7. according to claim 6ly heat family formula three alliance earth source heat pump units with health hot water, it is characterized in that: on the pipeline between water source side heat exchanger (8) and the restricting element (10), also be serially connected with device for drying and filtering two (9) based on air conditioner refrigerating, air-conditioning.
8. according to claim 3ly heat family formula three alliance earth source heat pump units with health hot water, it is characterized in that: also be serially connected with gas-liquid separator (13) on the pipeline between the return-air mouth of described compressor (1) and the four-way change-over valve (5) based on air conditioner refrigerating, air-conditioning.
9. according to claim 3ly heat family formula three alliance earth source heat pump units with health hot water based on air conditioner refrigerating, air-conditioning, it is characterized in that: the water source that described water source side heat exchanger (8) is taken is ground pipe laying recirculated water, underground water, surface water or sewage.
CN2010202233431U 2010-06-11 2010-06-11 Indoor triple-generation ground source heat pump (GSHP) unit based on air-conditioning cooling, air-conditioning heating and sanitary hot water Expired - Fee Related CN201779922U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261704A (en) * 2011-05-08 2011-11-30 姜衍礼 Direct-type sewage source heat pump central air-conditioning hot water system
CN105910340A (en) * 2016-04-14 2016-08-31 常州大学 Condensation heat recovery GSHP (Ground Source Heat Pump) triple generation system
CN112728712A (en) * 2021-01-21 2021-04-30 广东美的暖通设备有限公司 Multi-split air conditioner running capacity detection method, multi-split air conditioner, storage medium and device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261704A (en) * 2011-05-08 2011-11-30 姜衍礼 Direct-type sewage source heat pump central air-conditioning hot water system
CN105910340A (en) * 2016-04-14 2016-08-31 常州大学 Condensation heat recovery GSHP (Ground Source Heat Pump) triple generation system
CN112728712A (en) * 2021-01-21 2021-04-30 广东美的暖通设备有限公司 Multi-split air conditioner running capacity detection method, multi-split air conditioner, storage medium and device
CN112728712B (en) * 2021-01-21 2022-05-06 广东美的暖通设备有限公司 Multi-split air conditioner running capacity detection method, multi-split air conditioner, storage medium and device

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Granted publication date: 20110330

Termination date: 20140611