Heat pump integrated efficient tank heat exchanger

Abstract

A heat pump integrated type efficient tank heat exchanger comprises a longitudinally-arranged tank body, a liquid storage cylinder with an upper opening, a heat exchange coil pipe, an enthalpy increasing heat exchanger, a fluorine inlet pipe and a fluorine outlet pipe, and a flow guide hole is formed in the lower portion of the liquid storage cylinder. The liquid storage cylinder is arranged in the tank body, the upper end is fixed and sealed with a top plate of the tank body, the lower end is fixed and sealed with a bottom plate of the tank body, and the liquid storage cylinder is communicated with the space between the liquid storage cylinder and the tank body through the flow guide hole; the heat exchange coil is arranged in a space between the tank body and the liquid storage cylinder, one end extends out of the upper part of the tank body, and the other end extends out of the bottom of the tank body; the fluorine inlet pipe is communicated with the upper part of the tank body; the fluorine outlet pipe extends into the liquid storage cylinder from the top of the tank body; the enthalpy-increasing heat exchanger is arranged in the bottom of the liquid storage cylinder, and the liquid inlet pipe and the liquid outlet pipe extend out of the top of the tank body. Due to the adoption of the structure, the heat exchanger, the liquid storage device and the enthalpy-increasing heat exchanger are integrated, so that pipeline connection for independent assembly in the prior art is omitted, and the cost is reduced; and space occupation is reduced.

Description

Technical Field

[0001] This utility model relates to an enthalpy-increasing heat pump system, and in particular a high-efficiency tank heat exchanger. Background Technology

[0002] The existing technology, Chinese patent 201920677042.7, describes a low-temperature enthalpy-increasing heating hot water unit, including an enthalpy-increasing compressor, a storage tank, a first heat exchanger, and conduits. The enthalpy-increasing compressor is connected to the storage tank via conduits, the storage tank is connected to the first heat exchanger via conduits, and the first heat exchanger is connected to the enthalpy-increasing compressor via conduits. A dual-circuit heat exchanger is installed in the conduit connecting the enthalpy-increasing compressor and the storage tank. The dual-circuit heat exchanger includes a second heat exchanger, a first hot water storage tank connected to the second heat exchanger via conduits, and a second hot water storage tank connected to the second heat exchanger via conduits. Water pumps are installed in the conduits connecting the first and second hot water storage tanks to the second heat exchanger. The problems are: the storage tank, heat exchanger, and enthalpy-increasing heat exchanger are connected by complex piping, making assembly inconvenient and costly. Utility Model Content

[0003] The purpose of this utility model is to provide a heat pump integrated high-efficiency tank heat exchanger that integrates the heat exchanger, liquid storage device and enthalpy-enhancing device into one unit, making full use of space.

[0004] This utility model is implemented as follows: a heat pump integrated high-efficiency tank heat exchanger, characterized in that it includes a longitudinally arranged tank, a liquid storage cylinder with an upper opening, a heat exchange coil, an enthalpy-increasing heat exchanger, a refrigerant inlet pipe, and a refrigerant outlet pipe.

[0005] The lower part of the liquid storage cylinder is provided with a flow guide hole;

[0006] The liquid storage cylinder is located inside the tank, with its upper end fixed and sealed to the top plate of the tank, and its lower end fixed and sealed to the bottom plate of the tank. The guide hole connects the liquid storage cylinder with the space between the liquid storage cylinder and the tank. The heat exchange coil is located in the space between the tank and the liquid storage cylinder, with one end extending from the top of the tank and the other end extending from the bottom of the tank. The refrigerant inlet pipe is connected to the upper part of the tank, and the refrigerant outlet pipe extends into the liquid storage cylinder from the top of the tank. The enthalpy-increasing heat exchanger is located at the bottom of the liquid storage cylinder, with the inlet pipe and outlet pipe extending from the top of the tank.

[0007] The heat pump integrated high-efficiency tank heat exchanger is characterized in that: the enthalpy-increasing heat exchanger is made by winding a metal tube, with one end of the metal tube being the liquid inlet pipe and the other end being the liquid outlet pipe.

[0008] The aforementioned integrated high-efficiency tank heat exchanger for heat pumps is characterized by the inclusion of a secondary electronic expansion valve and a three-way valve.

[0009] The refrigerant outlet pipe is connected to the branch pipe of the tee fitting, and one end of the straight pipe of the tee fitting is connected to the main electronic expansion valve of the heat pump, and the other end is connected to the liquid inlet pipe.

[0010] The aforementioned integrated high-efficiency tank heat exchanger for heat pumps is characterized in that: the tank body comprises an upper half with a lower opening and a lower half with a upper opening.

[0011] The lower half has a cylindrical interface at the upper opening end, and the lower opening end of the upper half is inserted into the cylindrical interface and welded and sealed.

[0012] The aforementioned integrated high-efficiency tank heat exchanger for heat pumps is characterized in that it further includes a mounting base, which comprises a vertical support plate and a horizontal fixing plate.

[0013] The vertical support plate is welded to the bottom plate of the tank.

[0014] This utility model discloses an integrated high-efficiency tank heat exchanger for heat pumps. Due to its structure, the heat exchanger, liquid storage tank and enthalpy-increasing heat exchanger are integrated into one unit, eliminating the need for separate assembly and piping connections in existing technologies, thus reducing costs and space requirements. Attached Figure Description

[0015] Figure 1 This is a top view of the present invention.

[0016] Figure 2 yes Figure 1 A-A view.

[0017] Figure 3 This is a perspective view of the present invention. Detailed Implementation

[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] like Figure 1 , Figure 2As shown, a heat pump integrated high-efficiency tank heat exchanger includes a longitudinally arranged tank body 1, a liquid storage cylinder 2 with an upper opening, a heat exchange coil 3, an enthalpy-increasing heat exchanger 4, a refrigerant inlet pipe 51, and a refrigerant outlet pipe 52.

[0021] The lower part of the liquid storage cylinder 2 is provided with a flow guide hole 21;

[0022] The liquid storage cylinder 2 is located inside the tank body 1, with its upper end fixed and sealed to the top plate of the tank body 1 and its lower end fixed and sealed to the bottom plate of the tank body 1. The guide hole 21 connects the liquid storage cylinder 2 with the space between the liquid storage cylinder 2 and the tank body 1. The heat exchange coil 3 is located in the space between the tank body 1 and the liquid storage cylinder 2, with one end extending from the upper part of the tank body 1 as the water outlet and the other end extending from the bottom of the tank body 1 as the water inlet. The refrigerant inlet pipe 51 is connected to the upper part of the tank body 1, and the refrigerant outlet pipe 52 extends from the top of the tank body 1 into the liquid storage cylinder 2. The enthalpy-enhancing heat exchanger 4 is located inside the bottom of the liquid storage cylinder 2, with the inlet pipe 41 and outlet pipe 42 of the enthalpy-enhancing heat exchanger 4 extending from the top of the tank body 1 respectively. The outlet pipe 42 is connected to the jet enthalpy-enhancing suction port of the enthalpy-enhancing compressor.

[0023] As a further improvement of this utility model: the enthalpy-increasing heat exchanger 4 is made of a metal tube wound together, with one end of the metal tube being the liquid inlet pipe 41 and the other end being the liquid outlet pipe 42.

[0024] As a further improvement of this utility model, it also includes a secondary electronic expansion valve 6 and a three-way valve 7.

[0025] The refrigerant outlet pipe 52 is connected to the branch pipe of the tee fitting 7. One end of the straight pipe of the tee fitting 7 is connected to the main electronic expansion valve of the heat pump, and the other end is connected to the auxiliary electronic expansion valve 6 and the liquid inlet pipe 41 in sequence.

[0026] As a further improvement of this utility model: the tank body 1 includes an upper half 11 with a lower opening and a lower half 12 with a higher opening.

[0027] The lower half 12 has a cylindrical interface 121 at its upper open end, and the lower open end of the upper half 11 is inserted into the cylindrical interface 121 and welded and sealed.

[0028] It also includes a fixing base 8, which includes a vertical support plate portion 81 and a horizontal fixing plate portion 82.

[0029] The vertical support plate 18 is welded to the bottom plate of the tank body 1.

[0030] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A heat pump integrated high-efficiency tank heat exchanger, characterized in that: It includes a longitudinally arranged tank, a liquid storage cylinder with an opening at the top, heat exchange coils, an enthalpy-increasing heat exchanger, a refrigerant inlet pipe, and a refrigerant outlet pipe. The lower part of the liquid storage cylinder is provided with a flow guide hole; The liquid storage cylinder is located inside the tank, with its upper end fixed and sealed to the top plate of the tank and its lower end fixed and sealed to the bottom plate of the tank. A flow guide hole connects the liquid storage cylinder to the space between the liquid storage cylinder and the tank body. A heat exchange coil is located in the space between the tank body and the liquid storage cylinder, with one end extending from the top of the tank body and the other end extending from the bottom of the tank body. A refrigerant inlet pipe connects to the upper part of the tank body, and a refrigerant outlet pipe extends from the top of the tank body into the liquid storage cylinder. An enthalpy-enhancing heat exchanger is located at the bottom of the liquid storage cylinder, with its inlet and outlet pipes extending from the top of the tank body, respectively. The system also includes a secondary electronic expansion valve and a three-way valve. The refrigerant outlet pipe is connected to the branch pipe of the tee fitting. One end of the straight pipe of the tee fitting is connected to the main electronic expansion valve of the heat pump, and the other end is connected to the auxiliary electronic expansion valve and the liquid inlet pipe in sequence.

2. The integrated high-efficiency tank heat exchanger for a heat pump according to claim 1, characterized in that: The enthalpy-enhancing heat exchanger is made by winding a metal tube, with one end of the metal tube serving as the liquid inlet pipe and the other end as the liquid outlet pipe.

3. The integrated high-efficiency tank heat exchanger for heat pumps according to claim 1, characterized in that: The tank body includes an upper half with a lower opening and a lower half with a upper opening. The lower half has a cylindrical interface at the upper opening end, and the lower opening end of the upper half is inserted into the cylindrical interface and welded and sealed.

4. A heat pump integrated high-efficiency tank heat exchanger according to claim 1, 2 or 3, characterized in that: It also includes a mounting base, which comprises a vertical support plate and a horizontal fixing plate. The vertical support plate is welded to the bottom plate of the tank.

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