Integrated circulating heat exchange and buffer module for heat pump

By using an integrated circulating heat exchange module, which utilizes a rubber airbag to absorb the expansion of the medium and a rainproof cover structure, the problem of numerous components and complex piping in air source or ground source heat pump systems in small and medium-sized residential buildings is solved, achieving compact and simple modular installation and reducing costs.

CN223726587UActive Publication Date: 2025-12-26JIANGSU HUAYANG SOLAR ENERGY CO LTD
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Patent Information

Application Number
CN202520188555.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2025-12-26
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing air source or ground source heat pump central air conditioning systems have problems in small and medium-sized residential buildings, such as many parts, complex piping, large footprint, unsightly appearance, and difficulty in achieving integrated and modular installation.

Method used

An integrated circulating heat exchange module was designed, which includes a water tank, a rain cover, and a heat pump circulation pump. It utilizes a rubber air bladder to absorb the expansion of the medium, and is fixed and sealed by bolts. Combined with the structural design of the rain cover, the pipeline is simplified and vibration and noise are reduced.

Benefits of technology

It achieves a compact structure, simple piping, easy modular installation, reduces installation costs and floor space, and avoids noise transmission.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223726587U_ABST
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Abstract

The utility model provides an integrated circulation heat exchange and buffer module for heat pump, including water tank, rain cover, heat pump circulation pump, water tank includes liner, circulation mouth no. 1, circulation mouth no. 2 and be equipped with the flange base, flange cover, rubber air bag on the top of liner, the rubber air bag is equipped with the upper end of liner, rubber air bag and flange cover form closed air chamber, and the air chamber is sealed air chamber. The rain cover comprises a face plate, a back plate, a side plate and a top plate, the top plate is fixed to the top of the face plate and the top of the side plate through screws, one side of the face plate and one side of the side plate are provided with C-shaped flanges, the other side of the face plate and the other side of the side plate are provided with folded edges fixed to a barrel body of the water tank, the folded edges and the water tank are fixed through screws, and rubber strips are arranged in the C-shaped flanges. According to the integrated circulating heat exchange and buffer module for the heat pump, the structure is compact, the occupied area is small, pipelines are simple, and integrated and modularized installation is easy to achieve.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a circulating heat exchange device, concretely relates to air source heat pump or ground source heat pump water system circulating heat exchange module. BACKGROUND

[0002] Air source heat pump or ground source heat pump central air conditioning system can provide winter heating and summer refrigeration for users. The system is generally composed of air source or ground source heat pump unit, circulating pump, buffer tank, heating and refrigeration terminal and pipeline. In the closed system, expansion tank and safety components are also configured to absorb the thermal expansion of circulating medium, balance system working pressure and prevent overpressure. But in practical application, the system outdoor equipment part has more components, higher cost and more complex installation, especially in the field of small and medium-sized residential housing, buffer tank, expansion tank and circulating pump have defects such as large floor area, complex pipeline and unattractive appearance, and the whole system also has the problem of not realizing integration and modular installation. SUMMARY

[0003] The utility model solves the technical problem in the prior art, and provides an integrated circulating heat exchange buffer module for heat pump, which is compact in structure, simple in pipeline and easy to realize integration and modular installation.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme: integrated circulating heat exchange and buffer module for heat pump, containing water tank, rain cover, heat pump circulating pump, the water tank contains inner container, circulating port one, circulating port two and the flange base, flange cover, rubber air bag arranged at the top of the inner container, the rubber air bag is arranged at the upper end of the inner container, one end of rubber air bag has round opening, the annular edge of round opening is embedded in the gap corresponding to flange base and flange cover, is fixed and sealed through bolt connection, the rubber air bag and flange cover constitute closed air chamber, be equipped with inlet and exhaust port on the flange cover, fill in gas before use, the inner container of water tank is filled with water and reaches working pressure, the air pressure in air chamber and the water pressure outside rubber air bag reach balance, when water temperature rises, the volume of water expands, the volume of rubber air bag changes accordingly, reaches new pressure balance, thereby plays the role of absorbing expansion stable pressure.The rain cover includes panel, backboard, side plate and roof, the roof is fixed through screw with the top of panel and side plate, one side of panel and side plate is equipped with C type flange, the other side is equipped with the fluted edge of water tank barrel body fixed, the fluted edge is fixed with water tank through screw, C type flange is equipped with rubber strip, the side plate is connected with C type flange and is pressed tightly rubber strip through screw, a plurality of openings are equipped on the side plate, the heat pump circulating pump is placed in rain cover, the inlet of heat pump circulating pump is connected with circulating port one, the pipeline of outlet of heat pump circulating pump is worn from the hole of side plate, and is connected with the circulating inlet of heat pump unit, the rubber strip plays the role of buffer, avoids the vibration of heat pump circulating pump to be transmitted to entire rain cover, the circulating port two is connected with end return water pipe through pipeline.The medium enters heat pump unit to prepare hot water or frozen water under the action of heat pump circulating pump through circulating port one, after circulating to end heat exchange, enters water tank through circulating port two, realizes heating or refrigeration.

[0005] Preferably, a filter and a water supply pipe are sequentially arranged between the circulating port two and the end return water pipe, one end of the water supply pipe is communicated with the filter inlet, the other end is connected with the outlet of the one-way safety valve, the inlet of the one-way safety valve is connected with the water supply pipe.

[0006] Preferably, a circulating port three is further arranged on the water tank, the circulating port three is connected with the circulating outlet of the heat pump unit, and is connected with the inlet of an end circulating pump through a tee joint, the end circulating pump is arranged in the rain cover, and the pipeline of the outlet of the end circulating pump is worn from the hole of the side plate and is connected with the end water supply pipe. The medium enters the heat pump unit to prepare hot water or frozen water through the circulating port one under the action of the heat pump circulating pump, then enters the water tank through the circulating port three, and the end circulating pump circulates the hot water or frozen water prepared by the heat pump unit to the end heat exchange, then enters the water tank through the circulating port two, so that the heating or refrigeration is realized.

[0007] Preferably, an exhaust port is arranged on the top of the water tank, and a temperature and pressure gauge is arranged on the barrel body of the water tank.

[0008] The utility model discloses a beneficial effect lies in: the rubber air bag is fixed in the upper portion of the inner bag, utilizes the annular edge embedding of its round opening the clearance corresponding of flange base and flange cover, is fixed and sealed through bolt connection, simple structure, easy to overhaul and replacement, the rubber air bag and the flange cover between constitute closed air chamber, play the role of absorbing system medium expansion and stable system pressure, need not to install expansion tank additionally, saves installation cost, the rain cover is fixed on the water tank, is fixed through screw, easy to assemble and disassemble, and the heat pump circulating pump and end circulating pump are placed in the rain cover, and rain and sun protection, reduce heat loss, compact structure, reduce the floor area, the C -type flange of panel and side plate is equipped with rubber strip, and the side plate is connected with C -type flange and is pressed tightly rubber strip through screw, plays the role of buffering, avoids the noise problem caused by the vibration transmission of heat pump circulating pump to whole rain cover. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is structural schematic diagram of the utility model embodiment one.

[0010] Figure 2 It is structural schematic diagram of the utility model embodiment two.

[0011] Figure 3 It is the three -dimensional assembly drawing of rain cover of the utility model.

[0012] Figure 4 It is structural schematic diagram of rain cover of the utility model.

[0013] In the drawing, 1, water tank, 2, rain cover, 3, heat pump circulating pump, 4, end circulating pump, 5, end water supply pipe, 6, end return pipe, 7, filter, 8, water supply pipe, 9, heat pump unit, 10, circulating outlet, 11, circulating inlet, 101, inner bag, 102, circulating port one, 103, circulating port two, 104, flange base, 105, flange cover, 106, inlet and exhaust port, 107, rubber air bag, 108, annular edge, 109, exhaust port, 110, temperature and pressure gauge, 111, circulating port three, 201, panel, 202, backboard, 203, top plate, 204, side plate, 205, rubber strip, 206, C -type flange, 207, flange. DETAILED DESCRIPTION

[0014] The technical scheme of the utility model will be described in further detail in connection with the embodiments. Embodiment one

[0015] As Figure 1 , Figure 3 , Figure 4As shown, the integrated heat exchange and buffer module for heat pump comprises a water tank 1, a rain cover 2, and a heat pump circulating pump 3. The water tank 1 comprises an inner container 101, a circulating port one 102, a circulating port two 103, a flange base 104 arranged at the top of the inner container 101, a flange cover 105, and a rubber air bag 107 arranged at the upper end of the inner container 101. One end of the rubber air bag 107 has a circular opening, and the annular edge 108 of the circular opening is embedded in the gap corresponding to the flange base 104 and the flange cover 105. The rubber air bag 107 is fixed and sealed by bolt connection. An enclosed air chamber is formed between the rubber air bag 107 and the flange cover 105. An air inlet and outlet 106 is arranged on the flange cover 105. Before use, the air chamber is filled with gas. After the inner container 101 is filled with water and reaches the working pressure, the air pressure in the air chamber and the water pressure outside the rubber air bag 107 reach balance. When the water temperature rises and the volume of the water expands, the volume of the rubber air bag 107 changes accordingly to reach a new pressure balance. The rain cover 2 comprises a faceplate 201, a backplate 202, a side plate 204, and a top plate 203. The top plate 203 is fixed to the top of the faceplate 201 and the side plate 204 by screws. The faceplate 201 and the side plate 204 are provided with a C-shaped flange 206 on one side and a folded edge 207 fixed to the barrel of the water tank 1 on the other side. The folded edge 207 is fixed to the water tank 1 by screws. A rubber strip 205 is arranged in the C-shaped flange 206. The side plate 204 is connected to the C-shaped flange 206 by screws and compresses the rubber strip 205. A plurality of openings are arranged on the side plate 204. The heat pump circulating pump 3 is arranged in the rain cover 2. The inlet of the heat pump circulating pump 3 is connected to the circulating port one 102. The outlet pipe of the heat pump circulating pump 3 passes through the hole of the side plate 204 and is connected to the circulating inlet 11 of the heat pump unit 9. The circulating port two 103 is connected to the terminal return water pipe 6 by a pipe. Under the action of the heat pump circulating pump 3, the medium enters the heat pump unit 9 to produce hot water or frozen water through the circulating port one 102, and then circulates to the terminal heat exchanger and enters the water tank through the circulating port two 103 to realize heating or refrigeration.

[0016] Further, a filter 7 and a water supply pipe 8 are arranged between the circulating port two 103 and the terminal return water pipe 6 in sequence. One end of the water supply pipe 8 is connected to the inlet of the filter 7, and the other end is connected to the outlet of a one-way safety valve. The inlet of the one-way safety valve is connected to a water supply pipe.

[0017] Further, an air outlet 109 is arranged at the top of the water tank 1, and a temperature and pressure gauge 110 is arranged on the barrel of the water tank 1. Example Two

[0018] As Figure 2The difference between the embodiment and the embodiment one is that the water tank 1 is further provided with a circulating port three 111, the circulating port three 111 is connected with the circulating outlet 10 of the heat pump unit 9, and is connected with the inlet of the terminal circulating pump 4 through a three-way pipe, the terminal circulating pump 4 is arranged in the rain cover 2, the pipeline of the outlet of the terminal circulating pump 4 is arranged to pass through the hole of the side plate 204 and is connected with the terminal water supply pipe 5, under the action of the heat pump circulating pump 3, the medium enters the heat pump unit 9 to prepare hot water or chilled water through the circulating port one 102, then enters the water tank 1 through the circulating port three 111, the terminal circulating pump 4 circulates the hot water or chilled water prepared by the heat pump unit 9 to the terminal heat exchange, then enters the water tank 1 through the circulating port two 103, and heating or refrigeration is realized.

Claims

1. Integrated cycle heat exchange and buffer module for heat pump, comprising a water tank, a rain cover, a heat pump circulating pump, characterized in that: The water tank comprises an inner container, a circulation port one, a circulation port two, a flange base arranged at the top of the inner container, a flange cover, and a rubber air bag, the rubber air bag is arranged at the upper end of the inner container, one end of the rubber air bag has a circular opening, the annular edge of the circular opening is embedded into the gap corresponding to the flange base and the flange cover, and the rubber air bag is fixed and sealed by bolt connection, an enclosed air chamber is formed between the rubber air bag and the flange cover, an air inlet and an air outlet are arranged on the flange cover, the rain cover comprises a panel, a back plate, a side plate, and a top plate, the top plate is fixed to the top of the panel and the side plate by screws, a C-shaped flange is arranged on one side of the panel and the side plate, and a folded edge for fixing the water tank barrel is arranged on the other side, the folded edge is fixed to the water tank by screws, a rubber strip is arranged in the C-shaped flange, the side plate is connected to the C-shaped flange by screws and the rubber strip is pressed tightly, a plurality of holes are arranged on the side plate, the heat pump circulating pump is arranged in the rain cover, the inlet of the heat pump circulating pump is connected to the circulation port one, the pipeline of the outlet of the heat pump circulating pump is led out of the hole of the side plate and connected to the circulation inlet of the heat pump unit, and the circulation port two is connected to the end return water pipe by a pipeline.

2. The integrated cycle heat exchange and buffer module for a heat pump of claim 1, wherein: A filter and a water supplement pipe are arranged between the circulation port two and the end return water pipe in sequence, one end of the water supplement pipe is communicated with the inlet of the filter, the other end is connected to the outlet of a one-way safety valve, and the inlet of the one-way safety valve is connected to a water supply pipe.

3. The integrated cycle heat exchange and buffer module for a heat pump of claim 1, wherein: A circulation port three is further arranged on the water tank, the circulation port three is connected to the circulation outlet of the heat pump unit and connected to the inlet of an end circulating pump through a three-way pipe, the end circulating pump is arranged in the rain cover, and the pipeline of the outlet of the end circulating pump is led out of the hole of the side plate and connected to an end water supply pipe.

4. The integrated cycle heat exchange and buffer module for a heat pump of claim 1, wherein: An air outlet is arranged at the top of the water tank, and a temperature and pressure gauge is arranged on the barrel of the water tank.