Heat pump water heater and water tank assembly thereof

Abstract

The utility model provides a heat pump water heater and a water tank assembly thereof. The side face of the inner container is provided with a circulating water connector, a water inlet connector, a water outlet connector and a safety valve connector. The heat-conducting medium liquid heat exchange pipe is arranged in the inner container, a connecting port is formed in the side face of the inner container, and the connecting port, the circulating water connector, the water inlet connector, the water outlet connector and the safety valve connector are located in the same column in the vertical direction. According to the water tank assembly, the connector, the circulating water connector, the water inlet connector, the water outlet connector and the safety valve connector are located in the same column in the vertical direction and are not prone to being blocked by a wall, and pipe connection is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pump equipment, and more specifically, to a heat pump water heater and a water tank assembly thereof. Background Art

[0002] Existing heat pump water heaters have a circulating water connection, a water inlet, a water outlet, and a safety valve connection on the side of the water tank assembly. These connections are arranged sequentially around the circumference of the water tank assembly. This design occupies a large amount of space around the circumference of the water tank assembly, making it easily obstructed by walls and difficult to connect to. Utility Model Content

[0003] An embodiment of the present utility model provides a water tank assembly of a heat pump water heater, comprising: an inner tank, a circulating water interface, a water inlet interface, a water outlet interface and a safety valve interface being provided on the side thereof; and a heat transfer medium liquid heat exchange pipe being provided in the inner tank and forming a connecting port on the side of the inner tank, wherein the connecting port, the circulating water interface, the water inlet interface, the water outlet interface and the safety valve interface are located in the same row in the upper and lower directions.

[0004] In some exemplary embodiments, the water tank assembly further includes: a refrigerant heat exchange pipe disposed in the inner tank.

[0005] In some exemplary embodiments, the heat transfer medium liquid heat exchange pipe is located inside the inner liner, the connection port is penetrated through the side wall of the inner liner, and the refrigerant heat exchange pipe is provided on the outer side of the inner liner.

[0006] In some exemplary embodiments, the refrigerant heat exchange tube is a spiral tube.

[0007] In some exemplary embodiments, the water outlet interface, the safety valve interface, the circulating water interface, the connecting port and the water inlet interface are arranged in sequence from top to bottom.

[0008] In some exemplary embodiments, the water tank assembly further includes: an electric heating module disposed on the front side of the inner tank.

[0009] In some exemplary embodiments, the water tank assembly further includes: an anti-corrosion module disposed on the front side of the inner tank.

[0010] In some exemplary embodiments, the water tank assembly further includes: a temperature sensing package disposed on the front side of the inner tank.

[0011] In some exemplary embodiments, the heat transfer medium liquid heat exchange tube is a spiral tube.

[0012] The utility model also provides a heat pump water heater, comprising the water tank assembly of the heat pump water heater described in any one of the above embodiments.

[0013] The water tank assembly of the heat pump water heater provided by the embodiment of the present invention has a heat transfer medium liquid heat exchange pipe arranged in the inner tank and arranged to be connected with the heat exchange pipe of the solar panel through a connecting port to form a circulation flow path. The circulation flow path is filled with heat transfer medium liquid. The solar panel heats the heat transfer medium liquid. The heat transfer medium liquid flows along the circulation flow path and exchanges heat with the water in the inner tank through the heat transfer medium liquid heat exchange pipe, thereby realizing heating of the water in the inner tank by solar energy. Moreover, the connecting port, circulating water interface, water inlet interface, water outlet interface and safety valve interface are located in the same row in the upper and lower directions, and are not easily blocked by the wall, which is more conducive to connecting the pipes.

[0014] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be achieved and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a heat pump water heater provided in some embodiments of the present invention;

[0017] Figure 2 for Figure 1 A schematic diagram of a partial structure of the water tank assembly from the left, wherein the housing of the water tank assembly is not fully shown;

[0018] Figure 3 for Figure 1 A schematic diagram of a left-side structural cross-section of the water tank assembly, wherein the outer shell of the water tank assembly is not shown, and the refrigerant heat exchange tube is not shown;

[0019] Figure 4 for Figure 1 A partial schematic diagram of the main structure of the water tank assembly, wherein the outer shell of the water tank assembly is not fully shown and the adapter cable is not shown;

[0020] Figure 5 for Figure 1 A partial schematic diagram of the main structure of the water tank assembly, wherein the outer shell of the water tank assembly is not fully shown;

[0021] Figure 6 for Figure 1Schematic diagram of the exploded structure of the decorative part, front side wall, fixing plate and wire controller from the front side;

[0022] Figure 7 for Figure 1 Schematic diagram of the exploded structure of the rear view of the decorative parts, front side wall, fixing plate and wire controller.

[0023] The corresponding relationship between the reference numerals and component names is as follows:

[0024] 100 Inner tank, 110 Circulating water interface, 120 Water inlet interface, 130 Water outlet interface, 140 Safety valve interface, 150 Upper cover, 200 Heat transfer medium heat exchange tube, 210 Connection port, 300 Refrigerant heat exchange tube, 400 Anti-corrosion module, 410 Electronic magnesium rod, 420 Control box, 430 Adapter cable, 500 Electric heating module, 600 Temperature sensor, 700 Head assembly, 710 Front side wall, 720 Rear side wall, 800 Decorative parts, 810 Upper decorative cover, 811 Mounting port, 820 Lower decorative cover, 821 First magnet, 830 Fixing plate, 900 Wire controller. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other in any way.

[0026] The heat pump water heater provided by the embodiment of the present utility model is as follows Figures 1 to 5 As shown, it includes: a water tank assembly with an inner tank 100, the inner tank 100 is used to hold water, and a circulating water interface 110, a water inlet interface 120, a water outlet interface 130 and a safety valve interface 140 are provided on the side of the inner tank 100; a heat transfer medium liquid heat exchange pipe 200, the heat transfer medium liquid heat exchange pipe 200 is provided in the inner tank 100, and a connecting port 210 is formed on the side of the inner tank 100, and the connecting port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130 and the safety valve interface 140 are located in the same row in the upper and lower directions.

[0027] In this heat pump water heater, a heat transfer medium liquid heat exchange pipe 200 is provided in the inner tank 100 and is arranged to be connected to the heat exchange pipe of the solar panel through the connection port 210 to form a circulation flow path. The circulation flow path is filled with heat transfer medium liquid. The solar panel heats the heat transfer medium liquid. The heat transfer medium liquid flows along the circulation flow path and exchanges heat with the water in the inner tank 100 through the heat transfer medium liquid heat exchange pipe 200, thereby heating the water in the inner tank 100 through solar energy. Moreover, the connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130 and the safety valve interface 140 are located in the same row in the upper and lower directions. The connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130 and the safety valve interface 140 are not easily blocked by the wall, which is more conducive to connecting the pipes.

[0028] Among them, such as Figure 3 As shown, the heat transfer medium liquid heat exchange pipe 200 is located inside the inner tank 100, the connection port 210 is set through the side wall of the inner tank 100, and the water outlet interface 130, the safety valve interface 140, the circulating water interface 110, the connection port 210 and the water inlet interface 120 are arranged in order from top to bottom. Figures 1 to 5 As shown, the connection port 210 includes two, one of the two connection ports 210 is an inlet and the other is an outlet. The heat transfer medium liquid is set to antifreeze. The heat transfer medium liquid heat exchange tube 200 is a spiral tube, and the spiral tube can be an enameled inner coil. The enameled inner coil is less susceptible to corrosion and has a longer service life. The water tank assembly also includes an outer shell, which is arranged outside the inner tank as a decorative part. The water inlet interface 120 is used to connect to the tap water source, the water outlet interface 130 is connected to the hot water interface of the hot and cold taps through a connecting water pipe, and the circulating water interface 110 is used to communicate with the connecting water pipe. The water outlet interface 130, the connecting water pipe, the circulating water interface 110 and the inner tank 100 are connected to ensure that the water in the connecting water pipe is roughly the same temperature as the water in the inner tank 100.

[0029] In some examples, such as Figure 2 、 Figure 4 and Figure 5 As shown, the heat pump water heater further includes a heat pump module having a refrigerant heat exchange tube 300. The refrigerant heat exchange tube 300 is disposed on the outer surface of the inner tank 100. When the heat pump module is in operation, the refrigerant inside the refrigerant heat exchange tube 300 is a high-temperature refrigerant. The high-temperature refrigerant exchanges heat with the water in the inner tank 100 through the refrigerant heat exchange tube 300, thereby heating the water in the inner tank 100. The refrigerant heat exchange tube 300 is a spiral tube that spirally extends from bottom to top along the circumference of the inner tank 100. The refrigerant heat exchange tube 300 is disposed on the outer side of the inner tank 100.

[0030] In some examples, such as Figure 4 and Figure 5As shown, the water tank assembly further includes: an anti-corrosion module 400 and an electric heating module 500. The anti-corrosion module 400 and the electric heating module 500 are arranged on the side of the inner tank 100, and the electric heating module 500 is located below the anti-corrosion module 400. The water tank assembly further includes: a temperature sensing package 600. The temperature sensing package 600 is arranged on the side of the inner tank 100. The temperature sensing package 600, the anti-corrosion module 400 and the electric heating module 500 are all facing the front side of the inner tank 100 and are arranged adjacent to each other, saving space and facilitating maintenance. The connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130 and the safety valve interface 140 face one of the left side and the right side of the inner tank 100.

[0031] The temperature-sensing package 600, the anti-corrosion module 400, and the electric heating module 500 are all arranged on the side of the inner liner 100 and face the front side of the inner liner 100, that is, the temperature-sensing package 600, the anti-corrosion module 400, and the electric heating module 500 are all arranged on the front side of the inner liner 100, which facilitates the disassembly and maintenance of the temperature-sensing package 600, the anti-corrosion module 400, and the electric heating module 500. The connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130, and the safety valve interface 140 face one of the left and right sides of the inner liner 100. In this way, the connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130, and the safety valve interface 140 are not easily blocked by the wall, and the connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130, and the safety valve interface 140 are all more convenient for connecting. The safety valve interface 140 is connected to the temperature and pressure safety valve.

[0032] It may be that the connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130 and the safety valve interface 140 are all facing the left side of the inner tank 100, that is, the connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130 and the safety valve interface 140 are all located on the left side of the inner tank 100; or it may be that the connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130 and the safety valve interface 140 are all facing the right side of the inner tank 100, that is, the connection port 210, the circulating water interface 110, the water inlet interface 120, the water outlet interface 130 and the safety valve interface 140 are all located on the right side of the inner tank 100, etc.; the above can all achieve the purpose of this application, and its purpose does not deviate from the design idea of ​​the present utility model, and will not be repeated here, and should all fall within the scope of protection of this application.

[0033] In some embodiments, as Figure 4 and Figure 5As shown, the anti-corrosion module 400 includes an electronic magnesium rod 410 and a control box 420. The control box 420 is located above the electronic magnesium rod 410 and is electrically connected to the electronic magnesium rod 410. The heat pump water heater also includes a head assembly 700, which is located above the water tank assembly; and a main control board, which is located within the head assembly 700 and is electrically connected to the electric heating module 500 and the control box 420. The main control board is electrically connected to the control box 420 via an adapter cable 430. Specifically, one end of the adapter cable 430 is electrically connected to the control box 420, while the other end of the adapter cable 430 passes through the common wall between the water tank assembly and the head assembly 700 (such as the upper cover 150 of the water tank assembly housing), extends into the head assembly 100, and is electrically connected to the main control board. Compared to physical magnesium rods (which have a lifespan of 2 to 3 years), the electronic magnesium rod 410 has a longer service life (10 to 15 years).

[0034] In some examples, such as Figure 1 、 Figure 6 and Figure 7 As shown, the heat pump water heater further includes: a decorative member 800 having a mounting opening 811, the upper portion of which is located on the side of the head assembly 700, and the lower portion of which is located on the side of the housing; and a wired controller 900, which is located at the mounting opening 811. The decorative member 800 includes an upper decorative cover 810, which is located on the side of the head assembly 700, with the mounting opening 811 located thereon; and a lower decorative cover 820, which is located below the upper decorative cover 810 and on the side of the housing, with the lower end of the upper decorative cover 810 connected to the upper end of the lower decorative cover 820. The upper and lower decorative covers 810 and 820 are separate structures, and the wired controller 900 is assembled with the upper decorative cover 810. The fixing plate 830 is mounted on the side of the upper decorative cover 810 facing the head assembly 700. The wired controller 900 is located within the mounting opening 811 and mounted on the fixing plate 830. When the heat pump water heater needs to replace a different type of wired controller 900, only the corresponding wired controller 900, the upper decorative cover 810, and the fixing plate 830 need to be replaced. The lower decorative cover 820 does not need to be replaced, making replacement of the wired controller 900 much simpler.

[0035] In some embodiments, the lower end of the upper decorative cover 810 and the upper end of the lower decorative cover 820 are snap-connected, and the lower end of the lower decorative cover 820 is magnetically connected to the side of the shell. This fixing method of the lower decorative cover 820 is relatively simple and has better aesthetics.

[0036] Alternatively, a buckle may be provided at the lower end of the upper decorative cover 810 and a buckle position may be provided at the upper end of the lower decorative cover 820 , and the buckle and the buckle position may be snap-connected to realize the snap connection between the lower end of the upper decorative cover 810 and the upper end of the lower decorative cover 820 .

[0037] It can be, for example Figure 7 As shown, a first magnet 821 is provided at the lower end of the lower decorative cover 820, and a second magnet is provided on the front side of the shell. The first magnet 821 is magnetically connected to the second magnet to achieve a magnetic connection between the lower end of the lower decorative cover 820 and the side of the shell.

[0038] In some examples, such as Figure 1 、 Figures 5 to 7 As shown, the head assembly 700 includes: a semicircular front side wall 710 with an opening facing backward; and a semicircular rear side wall 720 with an opening facing forward, the circumferential ends of the rear side wall 720 are connected to the circumferential ends of the front side wall 710 in a one-to-one correspondence, and the upper decorative cover 810 is provided on the side of the front side wall 710 facing away from the rear side wall 720 and facing the front side of the head assembly 700, and the lower decorative cover 820 covers the temperature sensing package 600, the anti-corrosion module 400 and the electric heating module 500. The appearance of the heat pump water heater with this solution is more beautiful.

[0039] To sum up, in the heat pump water heater provided by the embodiment of the present invention, the heat transfer medium liquid heat exchange pipe is arranged in the inner tank, and is arranged to be connected with the heat exchange pipe of the solar panel through the connecting port to form a circulation flow path, the circulation flow path is filled with heat transfer medium liquid, the solar panel heats the heat transfer medium liquid, the heat transfer medium liquid flows along the circulation flow path, and heat is exchanged with the water in the inner tank through the heat transfer medium liquid heat exchange pipe, thereby realizing the heating of the water in the inner tank by solar energy; moreover, the connecting port, circulating water interface, water inlet interface, water outlet interface and safety valve interface are located in the same row in the upper and lower directions, and are not easily blocked by the wall, which is more conducive to taking over the pipe.

[0040] In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "relative", "four corners", "periphery", "'mouth'-shaped structure", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing "this" utility model and simplifying the description, and do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0041] In the description of the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "connection," "direct connection," "indirect connection," "fixed connection," "installation," and "assembly" should be understood in a broad sense. For example, they may refer to a fixed connection, a detachable connection, or an integral connection. The terms "installation," "connection," and "fixed connection" may refer to a direct connection, an indirect connection through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0042] Although the embodiments disclosed in the present invention are as described above, the contents described are merely embodiments adopted to facilitate understanding of the present invention and are not intended to limit the present invention. Any person skilled in the art to which the present invention belongs may make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed in the present invention. However, the scope of patent protection of the present invention shall still be defined by the attached claims.

Claims

1. A water tank assembly of a heat pump water heater, characterized in that: include: The inner tank has a circulating water interface, a water inlet interface, a water outlet interface and a safety valve interface on its side; and The heat transfer medium liquid heat exchange pipe is arranged in the inner tank and forms a connecting port on the side of the inner tank. The connecting port, the circulating water interface, the water inlet interface, the water outlet interface and the safety valve interface are located in the same row in the upper and lower directions.

2. The water tank assembly of the heat pump water heater according to claim 1, characterized in that: Also includes: The refrigerant heat exchange tube is arranged in the inner tank.

3. The water tank assembly of the heat pump water heater according to claim 2, characterized in that: The heat transfer medium liquid heat exchange pipe is located inside the inner liner, the connecting port is penetrated through the side wall of the inner liner, and the refrigerant heat exchange pipe is arranged on the outer side of the inner liner.

4. The water tank assembly of the heat pump water heater according to claim 2, characterized in that: The refrigerant heat exchange tube is a spiral tube.

5. The water tank assembly of the heat pump water heater according to any one of claims 1 to 4, characterized in that: The water outlet interface, the safety valve interface, the circulating water interface, the connecting port and the water inlet interface are arranged in sequence from top to bottom.

6. The water tank assembly of the heat pump water heater according to any one of claims 1 to 4, characterized in that: Also includes: The electric heating module is arranged on the front side of the inner container.

7. The water tank assembly of the heat pump water heater according to any one of claims 1 to 4, characterized in that: Also includes: The anti-corrosion module is arranged on the front side of the inner liner.

8. The water tank assembly of the heat pump water heater according to any one of claims 1 to 4, characterized in that: Also includes: The temperature sensing package is arranged on the front side of the inner container.

9. The water tank assembly of the heat pump water heater according to any one of claims 1 to 4, characterized in that: The heat transfer medium liquid heat exchange tube is a spiral tube.

10. A heat pump water heater, characterized in that: The water tank assembly comprises the heat pump water heater according to any one of claims 1 to 9.

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