CN217929234U - Heat exchange assembly of air source heat pump water heater - Google Patents

Heat exchange assembly of air source heat pump water heater Download PDF

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Publication number
CN217929234U
CN217929234U CN202222017007.7U CN202222017007U CN217929234U CN 217929234 U CN217929234 U CN 217929234U CN 202222017007 U CN202222017007 U CN 202222017007U CN 217929234 U CN217929234 U CN 217929234U
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China
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heat exchange
water cavity
hot water
cold water
tank body
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CN202222017007.7U
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武智胜
张文
金香
黄建华
李慧龙
王凯
郑霞
康伟兵
李晨
陈瀚文
张�林
吕蝶
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Inner Mongolia Chengfu New Energy Co ltd
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Inner Mongolia Chengfu New Energy Co ltd
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Abstract

The utility model discloses a heat exchange component of an air source heat pump water heater, belonging to the field of air source heat pump water heaters; a partition plate is arranged in the condenser tank body to divide the tank body cavity into a cold water cavity and a hot water cavity, and a through hole for communicating the cold water cavity with the hot water cavity is formed in the partition plate; a turnover plate capable of opening or closing the through hole in a rotating way is arranged in the through hole; when cold water is added, the through hole is closed, so that the cold water cannot enter the hot water cavity, the cold water cavity is heated for a period of time, and when the water temperature is increased to be not much different from that of the hot water cavity, the turnover plate is opened, so that the hot water in the cold water cavity enters the hot water cavity; then closing the through hole again and adding cold water; therefore, the hot water cavity can keep the temperature of the output water within a certain range.

Description

Heat exchange assembly of air source heat pump water heater
Technical Field
The utility model belongs to air source heat pump water heater field, in particular to air source heat pump water heater heat exchange assemblies.
Background
The air source heat pump water heater mainly comprises an air source heat pump circulating system and a water storage tank, and the equipment transfers heat in the air into water by consuming part of electric energy.
As shown in fig. 1, the air source heat pump circulation system is a closed system composed of four parts, namely an evaporator 9, a compressor 10, a condenser 11 and an expansion valve 12, and is filled with a proper amount of working medium. The working principle is as follows: a small amount of electric energy is adopted to drive a compressor to operate, a high-pressure liquid working medium passes through an expansion valve and is evaporated into a gaseous state in an evaporator, and a large amount of heat energy is absorbed from air; gaseous working medium is compressed into high-temperature and high-pressure liquid by the compressor, then enters the condenser to release heat to heat water, and the water can be heated to 50-65 ℃ by continuous cyclic heating.
The condenser structure shown in fig. 1 is a conventional structure, and a cold water inlet is arranged at the bottom of the left side of the condenser, and a hot water outlet is arranged at the upper part of the condenser; a heat exchange tube is arranged in the condenser, a working medium inlet of the heat exchange tube is positioned at the upper part of the right side, and a working medium outlet of the heat exchange tube is positioned at the lower part of the right side; the working medium inlet is connected with the compressor, and the working medium outlet is connected with the expansion valve; when the condenser works, a high-temperature and high-pressure working medium generated by the compressor enters the heat exchange tube in the condenser from the working medium inlet and flows out from the working medium outlet and passes through the expansion valve; the condenser is added with cold water through a cold water inlet, and heated hot water flows out of a hot water outlet.
The above condenser has problems that: when cold water enters the condenser, the temperature of the cold water in the condenser is reduced, so that the output temperature of hot water is unstable.
Disclosure of Invention
An object of the utility model is to provide an air source heat pump water heater heat transfer assembly, when solving current condenser cold water and getting into, the temperature can reduce in the condenser, leads to the unstable problem of hot water output temperature.
The utility model adopts the technical scheme as follows: the utility model provides an air source heat pump water heater heat exchange assembly, which comprises a tank body, wherein a partition plate is arranged in the tank body, the cavity of the tank body is divided into a cold water cavity and a hot water cavity by the partition plate, and a through hole for communicating the cold water cavity with the hot water cavity is formed in the partition plate; a turnover plate capable of opening or closing the through hole in a rotating manner is arranged in the through hole; a heat exchange tube is arranged in the tank body, a working medium inlet of the heat exchange tube is connected with the compressor, and a working medium outlet of the heat exchange tube is connected with the expansion valve; a cold water inlet and a hot water outlet are formed in the tank body; the cold water inlet is arranged on the wall of the tank body where the cold water cavity is located, and the hot water outlet is arranged on the wall of the tank body where the hot water cavity is located.
In an exemplary embodiment of the present disclosure, the partition is transversely disposed to divide the tank body cavity into an upper cold water cavity and a lower hot water cavity; the heat exchange tube penetrates through the partition plate, one part of the heat exchange tube is positioned in the cold water cavity, and the other part of the heat exchange tube is positioned in the hot water cavity.
In an exemplary embodiment of the disclosure, the partition plate is vertically arranged to divide the tank body cavity into a cold water cavity and a hot water cavity which are arranged left and right; the heat exchange tube passes through the partition plate for multiple times, one part of the heat exchange tube is positioned in the cold water cavity, and the other part of the heat exchange tube is positioned in the hot water cavity.
In an exemplary embodiment of the present disclosure, the partition has a cylindrical shape, and divides the tank chamber into a central hot water chamber and a cold water chamber surrounding the hot water chamber. The heat exchange tube passes through the partition plate for multiple times, one part of the heat exchange tube is positioned in the cold water cavity, and the other part of the heat exchange tube is positioned in the hot water cavity. Or the heat exchange tube is arranged in the hot water cavity, and the partition plate is made of a heat conducting plate.
In an exemplary embodiment of the disclosure, a rotating shaft is arranged in the through hole, one end of the rotating shaft is rotatably connected to the wall of the through hole, and the other end of the rotating shaft penetrates through the tank body and is connected with a driving device outside the tank body; the turnover plate is fixed on the rotating shaft and rotates along with the rotating shaft.
In an exemplary embodiment of the present disclosure, temperature sensors are respectively disposed in the cold water chamber and the hot water chamber, the temperature sensors are connected to a controller, and the controller is connected to and controls the driving device.
The beneficial effects of the utility model reside in that: the utility model provides a heat exchange component of an air source heat pump water heater, wherein a clapboard is arranged in a condenser tank body to divide a tank body cavity into a cold water cavity and a hot water cavity, and the clapboard is provided with a through hole for communicating the cold water cavity with the hot water cavity; a turnover plate capable of opening or closing the through hole in a rotating way is arranged in the through hole; when cold water is added through the cold water inlet, the through hole is closed, so that the cold water cannot enter the hot water cavity, the cold water cavity is heated for a period of time, and when the water temperature is increased to be not much different from that of the hot water cavity, the turnover plate is opened, so that the hot water in the cold water cavity enters the hot water cavity; then closing the through hole again and adding cold water; therefore, the hot water cavity can keep the output water temperature within a certain range.
Drawings
Fig. 1 is a schematic structural diagram of a conventional air source heat pump circulation system.
Fig. 2 is a schematic structural diagram of the first embodiment of the present invention.
Fig. 3 is a diagram showing a structure at a through hole according to the first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a third embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a fourth embodiment of the present invention.
In the figure: the device comprises a tank body 1, a cold water inlet 101, a hot water outlet 102, a partition plate 2, a through hole 201, a cold water cavity 3, a hot water cavity 4, a turnover plate 5, a rotating shaft 6, a driving device 7, a heat exchange tube 8, a working medium inlet 801, a working medium outlet 802, an evaporator 9, a compressor 10, a condenser 11 and an expansion valve 12.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to 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 only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 2, the sectional view of the heat exchange assembly of the air source heat pump water heater in the embodiment is a structural view, and includes a tank body 1, a partition plate 2 is transversely arranged in the tank body 1, and the tank body cavity is divided into an upper cold water cavity 3 and a lower hot water cavity 4 by the partition plate 2; a circular through hole 201 is formed in the partition plate 2, and the through hole 201 is communicated with the cold water cavity 3 and the hot water cavity 4; as shown in the figure, the through hole 201 is arranged at the right side edge of the clapboard 2 and close to the right side wall of the tank body 1; as shown in fig. 3, the structure at the through hole 201 is shown; the through hole 201 is internally provided with a rotatable circular turnover plate 5, the size of the turnover plate 5 is matched with the through hole 201, and when the turnover plate 5 rotates to a horizontal state, the turnover plate 5 seals the through hole 201, so that the cold water cavity 3 and the hot water cavity 4 are mutually separated and are not conducted.
As shown in fig. 3, in a preferred embodiment, a rotating shaft 6 is horizontally arranged in the through hole 201; specifically, the left side end of the rotating shaft 6 is rotatably connected in the jack of the through hole wall, the right side end of the rotating shaft 6 transversely penetrates out of the tank body 1 and is connected with a driving device 7 arranged on the outer side wall of the tank body 1, and the driving device 7 can be a stepping motor or a servo motor. The turnover plate 5 is fixed on the rotating shaft 6 and rotates along with the rotating shaft 6. The driving device 7 drives the turnover plate 5 to rotate, so that the through hole 201 is closed or opened at a certain angle.
As shown in fig. 2, a heat exchange tube 8 is arranged in the tank body 1, the heat exchange tube 8 penetrates through the partition plate 2, one part of the heat exchange tube is positioned in the cold water cavity 3, and the other part of the heat exchange tube is positioned in the hot water cavity 4; a working medium inlet 801 of the heat exchange tube 8 is arranged on the wall of the tank body where the cold water cavity 3 is located, and a working medium outlet 802 of the heat exchange tube 8 is arranged on the wall of the tank body where the hot water cavity 4 is located; the working medium inlet 801 is connected with the compressor, and the working medium outlet 802 is connected with the expansion valve; as shown in the figure, a working medium inlet 801 of the heat exchange tube 8 is arranged on the upper side of the right side wall of the tank body 1, a working medium outlet 802 of the heat exchange tube 8 is arranged on the lower side of the right side wall of the tank body 1, and the heat exchange tube 8 is bent in a snake shape in the tank body 1.
In addition, the tank body 1 is also provided with a cold water inlet 101 and a hot water outlet 102; the cold water inlet 101 is arranged on the wall of the tank body where the cold water cavity 3 is located, and the hot water outlet 102 is arranged on the wall of the tank body where the hot water cavity 4 is located; as shown in the drawing, a cold water inlet 101 is provided at the top of the tank 1, and a hot water outlet 102 is provided at the lower side of the left sidewall of the tank 1. Further, the cold water inlet 101 and the hot water outlet 102 are provided with valves (not shown).
The working principle of the device is that when cold water is added into the cold water inlet 101, the through hole 201 is closed, so that the cold water cannot enter the hot water cavity 4, the cold water cavity 3 is heated for a period of time, and when the water temperature is increased to be not much different from that of the hot water cavity 4, for example, the difference is 3-5 ℃, the turnover plate 5 is opened, so that the hot water in the cold water cavity 3 enters the hot water cavity 4; then, the through hole 201 is closed again, and cold water is added; therefore, the hot water cavity 4 can keep the temperature of the output water within a certain range.
In order to further realize the automation of the process, on the basis of the embodiment, temperature sensors can be respectively arranged in the cold water cavity 3 and the hot water cavity 4, wherein the temperature sensor of the cold water cavity 3 is arranged near the through hole; the temperature sensor is connected with a controller, such as a single chip microcomputer or a PLC, and the controller controls the turnover plate 5 to be closed or opened through a control program. The control program is as follows: when cold water is added into the cold water cavity 3, the turnover plate 5 is closed; when the difference between the water temperature of the cold water cavity 3 and the water temperature of the hot water cavity 4 is 3-5 ℃, the turnover plate 5 is opened.
Example 2
As shown in fig. 4, is a second embodiment; the water heater comprises a tank body 1, wherein a partition plate 2 is vertically arranged in the tank body 1, and the tank body cavity is divided into a left cold water cavity 3 and a right hot water cavity 4 by the partition plate 2; a circular through hole 201 is formed in the partition plate 2, and the through hole 201 is communicated with the cold water cavity 3 and the hot water cavity 4; as shown in the drawing, a through hole 201 is provided in the middle upper portion of the partition plate 2; a rotatable circular turnover plate 5 is arranged in the through hole 201, and the size of the turnover plate 5 is matched with that of the through hole 201; specifically, a rotating shaft 6 is vertically arranged in the through hole 201, the lower end of the rotating shaft 6 is rotatably connected in an insertion hole in the wall of the through hole, and the upper end of the rotating shaft 6 penetrates through the tank body 1 to be connected with a driving device 7 arranged at the top of the tank body 1; the turnover plate 5 is fixed on the rotating shaft 6 and rotates along with the rotating shaft 6. The driving device 7 drives the turnover plate 5 to rotate, so that the through hole 201 is closed or opened at a certain angle.
In addition, a serpentine heat exchange tube 8 is arranged in the tank body 1, the heat exchange tube 8 penetrates through the partition plate 2 for multiple times, one part of the heat exchange tube 8 is positioned in the cold water cavity 3, and the other part of the heat exchange tube 8 is positioned in the hot water cavity 4; a working medium inlet 801 of the heat exchange tube 8 is arranged on the upper side of the right side wall of the tank body 1, and a working medium outlet 802 of the heat exchange tube 8 is arranged on the lower side of the right side wall of the tank body 1; the tank body 1 is also provided with a cold water inlet 101 and a hot water outlet 102; the cold water inlet 101 is arranged on the wall of the tank body where the cold water cavity 3 is located, and the hot water outlet 102 is arranged on the wall of the tank body where the hot water cavity 4 is located; as shown in the drawing, a cold water inlet 101 is provided at the top of the tank 1, and a hot water outlet 102 is provided at the bottom of the tank 1.
In the embodiments 1 and 2, the partition plate 2 is preferably made of a material with a heat insulation function, so that the heat exchange of the hot water cavity 4 and the cold water cavity 3 is weakened; in addition, in embodiment 1, hot working medium firstly enters the cold water cavity 3 for heat exchange and then enters the hot water cavity 4 for heat exchange, and the temperature difference between the cold water cavity 3 and the working medium is large, so that the cold water cavity 3 can absorb heat, and the heat exchange efficiency of the working medium is improved. In example 2, hot working fluid is alternately passed through the cold water chamber 3 and the hot water chamber 4 while heating is performed.
Example 3
As shown in fig. 5, is a third embodiment; the tank comprises a tank body 1, wherein a cylindrical partition plate 2 is vertically arranged in the tank body 1, and the partition plate 2 is made of a metal heat-conducting plate such as stainless steel; the cylindrical clapboard 2 divides the tank body cavity into a central hot water cavity 4 and a cold water cavity 3 surrounding the hot water cavity 4; a circular through hole 201 is formed in the partition plate 2, and the through hole 201 is communicated with the cold water cavity 3 and the hot water cavity 4; as shown in the drawing, a through hole 201 is provided in the middle upper portion of the partition plate 2; a rotatable circular turnover plate 5 is arranged in the through hole 201, and the size of the turnover plate 5 is matched with that of the through hole 201; specifically, a rotating shaft 6 is vertically arranged in the through hole 201, the lower end of the rotating shaft 6 is rotatably connected in an insertion hole in the wall of the through hole, and the upper end of the rotating shaft 6 penetrates through the tank body 1 to be connected with a driving device 7 arranged at the top of the tank body 1; the turning plate 5 is fixed on the rotating shaft 6 and rotates together with the rotating shaft 6. The driving device 7 drives the turnover plate 5 to rotate, so that the through hole 201 is closed or opened at a certain angle.
In addition, a snakelike heat exchange tube 8 is arranged in the hot water cavity 4, and the heat exchange tube 8 does not penetrate through the partition plate 2; a working medium inlet 801 of the heat exchange tube 8 is arranged at the top of the tank body 1, and a working medium outlet 802 of the heat exchange tube 8 is arranged at the bottom of the tank body 1; the tank body 1 is also provided with a cold water inlet 101 and a hot water outlet 102; the cold water inlet 101 is arranged on the wall of the tank body, and the hot water outlet 102 is arranged at the bottom of the hot water cavity 4.
In embodiment 3, the working medium intensively heats the hot water cavity 4, and the hot water cavity 4 indirectly heats the cold water cavity 3.
Example 4
As shown in fig. 6, the fourth embodiment is basically the same as the embodiment of example 3 except that: the snakelike heat exchange tube 8 in the hot water cavity 4 passes through the partition plate 2 for multiple times and enters the cold water cavity 3. The working medium heats the hot water cavity 4 and the cold water cavity 3 simultaneously. The partition board 2 in this embodiment may use a metal heat-conducting board or a heat-insulating board.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims (9)

1. An air source heat pump water heater heat exchange assembly comprises a tank body (1) and is characterized in that a partition plate (2) is arranged in the tank body (1), the partition plate (2) divides a tank body cavity into a cold water cavity (3) and a hot water cavity (4), and a through hole (201) for communicating the cold water cavity (3) with the hot water cavity (4) is formed in the partition plate (2); a turnover plate (5) capable of opening or closing the through hole (201) in a rotating manner is arranged in the through hole (201); a heat exchange tube (8) is arranged in the tank body (1), a working medium inlet (801) of the heat exchange tube (8) is connected with the compressor, and a working medium outlet (802) of the heat exchange tube (8) is connected with the expansion valve; a cold water inlet (101) and a hot water outlet (102) are arranged on the tank body (1); the cold water inlet (101) is arranged on the wall of the tank body (1) where the cold water cavity (3) is located, and the hot water outlet (102) is arranged on the wall of the tank body (1) where the hot water cavity (4) is located.
2. The heat exchange assembly of the air source heat pump water heater according to claim 1, wherein the partition plate (2) is transversely arranged to divide the tank body cavity into an upper cold water cavity (3) and a lower hot water cavity (4); the heat exchange pipe (8) penetrates through the partition plate (2), one part of the heat exchange pipe is positioned in the cold water cavity (3), and the other part of the heat exchange pipe is positioned in the hot water cavity (4).
3. The heat exchange assembly of the air-source heat pump water heater according to claim 1, wherein the partition plate (2) is vertically arranged to divide the tank body cavity into a cold water cavity (3) and a hot water cavity (4) which are arranged left and right; the heat exchange tube (8) penetrates through the partition plate (2) for multiple times, one part of the heat exchange tube (8) is located in the cold water cavity (3), and the other part of the heat exchange tube is located in the hot water cavity (4).
4. The heat exchange assembly of the air source heat pump water heater according to claim 1, wherein the partition plate (2) is cylindrical and divides the tank body cavity into a central hot water cavity (4) and a cold water cavity (3) surrounding the hot water cavity (4).
5. The air source heat pump water heater heat exchange assembly according to claim 4, wherein the heat exchange pipe (8) passes through the partition plate (2) for multiple times, one part of the heat exchange pipe (8) is positioned in the cold water cavity (3), and the other part of the heat exchange pipe is positioned in the hot water cavity (4).
6. The heat exchange assembly of the air-source heat pump water heater as claimed in claim 4, wherein the heat exchange tube (8) is arranged in the hot water cavity (4), and the partition plate (2) is made of a heat conducting plate.
7. The heat exchange assembly of the air-source heat pump water heater according to any one of claims 1 to 5, characterized in that the partition plate (2) is made of a heat insulation plate.
8. The heat exchange assembly of the air source heat pump water heater according to any one of claims 1 to 6, wherein a rotating shaft (6) is arranged in the through hole (201), one end of the rotating shaft (6) is rotatably connected to the wall of the through hole (201), and the other end of the rotating shaft penetrates through the tank body (1) and is connected with a driving device (7) outside the tank body (1); the turnover plate (5) is fixed on the rotating shaft (6) and rotates along with the rotating shaft (6).
9. The heat exchange assembly of the air-source heat pump water heater according to claim 8, wherein temperature sensors are respectively arranged in the cold water cavity (3) and the hot water cavity (4), the temperature sensors are connected with a controller, and the controller is connected with and controls the driving device (7).
CN202222017007.7U 2022-08-02 2022-08-02 Heat exchange assembly of air source heat pump water heater Active CN217929234U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222017007.7U CN217929234U (en) 2022-08-02 2022-08-02 Heat exchange assembly of air source heat pump water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222017007.7U CN217929234U (en) 2022-08-02 2022-08-02 Heat exchange assembly of air source heat pump water heater

Publications (1)

Publication Number Publication Date
CN217929234U true CN217929234U (en) 2022-11-29

Family

ID=84153826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222017007.7U Active CN217929234U (en) 2022-08-02 2022-08-02 Heat exchange assembly of air source heat pump water heater

Country Status (1)

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CN (1) CN217929234U (en)

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