Inner container anti-corrosion structure, water tank assembly and heat pump water heater

By using electronic magnesium rods and anti-corrosion modules in the control box of heat pump water heaters, the problem of short lifespan of physical magnesium rods is solved, enabling long-term use of the inner tank anti-corrosion structure and extending the lifespan of electronic magnesium rods to 10 to 15 years.

CN223677973UActive Publication Date: 2025-12-16GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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Patent Information

Application Number
CN202422314031.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-12-16
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The corrosion protection of the inner tank of existing heat pump water heaters using physical magnesium rods has a short lifespan of only 2 to 3 years.

Method used

The anti-corrosion module adopts electronic magnesium rods and control boxes. The electronic magnesium rods are electrically connected to the control box and controlled by the main control board, replacing the traditional physical magnesium rods for inner liner anti-corrosion.

Benefits of technology

It extends the service life of the inner liner's anti-corrosion structure, with the electronic magnesium rod having a lifespan of 10 to 15 years, significantly improving the anti-corrosion effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an inner container anti-corrosion structure, a water tank assembly and a heat pump water heater. The inner container anti-corrosion structure comprises an inner container; the anti-corrosion module is arranged in the inner container and comprises an electronic magnesium rod and a control box, and the control box is electrically connected with the electronic magnesium rod; according to the scheme, corrosion prevention is conducted on the inner container through the electronic magnesium rod, the service life of the electronic magnesium rod is 10-15 years, and the service life is longer.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat pump equipment technical field more particularly, relate to a kind of inner container anticorrosive structure, water tank assembly and heat pump water heater. BACKGROUND

[0002] The existing heat pump water heater, generally using physical magnesium stick to carry out anticorrosion to inner container. However, the service life of physical magnesium stick is only 2 to 3 years, and the service life is relatively short. SUMMARY

[0003] The utility model embodiment provides a kind of inner container anticorrosive structure, comprising: inner container;Anticorrosive module, be located in the inner container, and including electronic magnesium stick and control box, the control box is electrically connected with the electronic magnesium stick;And main control board, electrically connected with the control box.

[0004] In some example embodiments, the inner container anticorrosive structure further comprises: adapter wire, the control box is electrically connected with the main control board by the adapter wire.

[0005] In some example embodiments, the inner container anticorrosive structure further comprises: mounting, located at the end of the inner container, and the main control board is located at the mounting.

[0006] In some example embodiments, the electronic magnesium stick and the control box are located at the side of the inner container, and the main control board is located at the side of the mounting, which is away from the inner container.

[0007] In some example embodiments, the inner container is vertically arranged, the electronic magnesium stick and the control box are located at the front side of the inner container, and the mounting is located at the upper end of the inner container.

[0008] In some example embodiments, the inner container anticorrosive structure further comprises: shell, vertically arranged, the inner container is located in the shell, and the mounting is the upper cover of the shell.

[0009] The utility model embodiment further provides a kind of water tank assembly, comprising the inner container anticorrosive structure described in any of the above embodiments.

[0010] In some example embodiments, the water tank assembly further comprises: electric heating module, the inner container is vertically arranged, the electric heating module is located at the front side of the inner container and is electrically connected with the main control board, and the connection line between the electric heating module and the main control board is spaced apart from the connection line between the anticorrosive module and the main control board.

[0011] In some example embodiments, the water tank assembly further comprises: temperature sensing bag, the inner container is vertically arranged, and the temperature sensing bag is located at the front side of the inner container.

[0012] The utility model embodiment further provides a heat pump water heater, including water tank subassembly of any one embodiment described above.

[0013] The inner container corrosion prevention structure provided by the embodiment of the utility model, the electronic magnesium rod and the control box are arranged in the inner container, the electronic magnesium rod and the control box are electrically connected, the control box is electrically connected with the main control board, and the scheme prevents the inner container from being corroded by the electronic magnesium rod. The service life of the electronic magnesium rod is 10-15 years, and the service life is longer.

[0014] Other features and advantages of the utility model will be set forth in the subsequent description, and partially become obvious from the description, or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structure specially pointed out in the description and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the technical scheme of the utility model, constitute part of the description, are used together with the embodiments of the application to explain the technical scheme of the utility model, and do not constitute limitation to the technical scheme of the utility model.

[0016] Figure 1 The utility model provides the three -dimensional structure schematic diagram of heat pump water heater for some embodiments of the utility model;

[0017] Figure 2 For Figure 1 The left view structure partial schematic view of water tank subassembly in, the shell of water tank subassembly is not shown completely, and the refrigerant heat exchange pipe is not shown;

[0018] Figure 3 For Figure 1 The left view structure cross section schematic view of water tank subassembly in, the shell of water tank subassembly is not shown, and the refrigerant heat exchange pipe is not shown;

[0019] Figure 4 For Figure 1 The main view structure partial schematic view of water tank subassembly in, the shell of water tank subassembly is not shown completely, and the adapter wire is not shown;

[0020] Figure 5 For Figure 1 The main view structure partial schematic view of water tank subassembly in, the shell of water tank subassembly is not shown completely;

[0021] Figure 6 For Figure 1 The exploded structure schematic view of the front side angle of decoration piece, front side wall, fixed plate and line controller in;

[0022] Figure 7 For Figure 1 The exploded structure schematic view of the rear side angle of decoration piece, front side wall, fixed plate and line controller in.

[0023] Correspondence between reference signs and component names is as follows:

[0024] 100 inner container, 110 circulating water interface, 120 water inlet interface, 130 water outlet interface, 140 safety valve interface, 150 upper cover, 200 heat-conducting medium liquid heat exchange pipe, 210 connecting port, 300 refrigerant heat exchange pipe, 400 corrosion prevention module, 410 electronic magnesium rod, 420 control box, 430 adapter wire, 440 ground wire, 450 first connecting wire, 460 second connecting wire, 500 electric heating module, 600 temperature sensing bag, 700 machine head assembly, 710 front side wall, 720 rear side wall, 800 decoration piece, 810 upper decoration cover, 811 mounting port, 820 lower decoration cover, 821 first magnet, 830 fixing plate, 900 wire controller. DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the following will combine the drawings to make a detailed description of the embodiments of the utility model. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other at will without conflict.

[0026] The heat pump water heater provided in the embodiments of the utility model, as shown in the drawings, comprises: Figures 1 to 5 a water tank assembly with an inner container 100, the inner container 100 is used for containing water, the side surface of the inner container 100 is provided with a circulating water interface 110, a water inlet interface 120, a water outlet interface 130 and a safety valve interface 140; a heat-conducting medium liquid heat exchange pipe 200, the heat-conducting medium liquid heat exchange pipe 200 is arranged in the inner container 100 and forms a connecting port 210 on the side surface of the inner container 100, 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 column in the up-down direction.

[0027] The heat pump water heater, the heat-conducting medium liquid heat exchange pipe 200 is arranged in the inner container 100 and is connected with the heat exchange pipe of the solar panel through the connecting port 210 to form a circulating flow path, the circulating flow path is filled with heat-conducting medium liquid, the solar panel heats the heat-conducting medium liquid, the heat-conducting medium liquid flows along the circulating flow path and exchanges heat with the water in the inner container 100 through the heat-conducting medium liquid heat exchange pipe 200, so that the water in the inner container 100 is heated by the solar energy; moreover, 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 column in the up-down direction, 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 not easily blocked by the wall, and are more conducive to pipe connection.

[0028] Among them, as shown in the drawings, Figure 3As shown, the heat-conducting medium liquid heat exchange pipe 200 is located inside the inner container 100, the connecting port 210 is arranged on the side wall of the inner container 100, the water outlet interface 130, the safety valve interface 140, the circulating water interface 110, the connecting port 210 and the water inlet interface 120 are sequentially arranged from top to bottom. As shown in Figures 1 to 5 As shown, the connecting port 210 includes two, one of the two connecting ports 210 is an inlet and the other is an outlet. The heat-conducting medium liquid is set as anti-freezing liquid. The heat-conducting medium liquid heat exchange pipe 200 is a spiral pipe, which can be a porcelain inner coil pipe, which is less likely to be corroded and has a longer service life. The water tank assembly further includes an outer shell, which is arranged outside the inner container as a decorative part. The water inlet interface 120 is used to connect to a tap water source, the water outlet interface 130 is connected to the hot water interface of a hot and cold water faucet 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 container 100 are in communication, which is used to ensure that the water temperature in the connecting water pipe is substantially consistent with the water temperature in the inner container 100.

[0029] In some examples, as shown in Figure 2 , Figure 4 and Figure 5 , the heat pump water heater further includes a heat pump module having a refrigerant heat exchange pipe 300, the refrigerant heat exchange pipe 300 is arranged on the outer surface of the inner container 100, the heat pump module operates, the refrigerant in the refrigerant heat exchange pipe 300 is high-temperature refrigerant, the high-temperature refrigerant exchanges heat with the water in the inner container 100 through the refrigerant heat exchange pipe 300, and the water in the inner container 100 is heated. Wherein, the refrigerant heat exchange pipe 300 is a spiral pipe extending along the circumference of the inner container 100 from bottom to top, and the refrigerant heat exchange pipe 300 is arranged on the outer side of the inner container 100.

[0030] In some examples, as shown in Figure 4 and Figure 5 , the water tank assembly further includes a corrosion prevention module 400 and an electric heating module 500, the corrosion prevention module 400 and the electric heating module 500 are arranged on the side of the inner container 100, and the electric heating module 500 is located below the corrosion prevention module 400. Wherein, the water tank assembly further includes a temperature sensing bag 600, the temperature sensing bag 600 is arranged on the side of the inner container 100, the temperature sensing bag 600, the corrosion prevention module 400 and the electric heating module 500 are all arranged towards the front side of the inner container 100 and adjacent to each other, which saves space and is convenient for maintenance, 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 towards one of the left side and the right side of the inner container 100.

[0031] The temperature sensing bag 600, the anti-corrosion module 400 and the electric heating module 500 are arranged on the side of the inner container 100 and face the front side of the inner container 100, that is, the temperature sensing bag 600, the anti-corrosion module 400 and the electric heating module 500 are arranged on the front side of the inner container 100, so that the temperature sensing bag 600, the anti-corrosion module 400 and the electric heating module 500 are convenient to disassemble, repair and maintain. 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 face one of the left side and the right side of the inner container 100, so that 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 not easily blocked by the wall, 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 all more conducive to pipe connection. Among them, the safety valve interface 140 is connected with a temperature and pressure safety valve.

[0032] 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 can all face the left side of the inner container 100, that is, 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 all located on the left side of the inner container 100; or 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 can all face the right side of the inner container 100, that is, 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 all located on the right side of the inner container 100, and the like. The above can all achieve the purpose of the present application, and the design idea is not deviated from the design idea of the present application, and will not be described here again, and all should be within the protection scope of the present application.

[0033] In some embodiments, as Figure 4 and Figure 5As shown, the anti-corrosion module 400 includes the electronic magnesium rod 410 and the control box 420, the control box 420 is located above the electronic magnesium rod 410 and is electrically connected with the electronic magnesium rod 410. The heat pump water heater further includes: the head assembly 700, which is arranged at the upper portion of the water tank assembly; and the main control board, which is arranged in the head assembly 700 and is electrically connected with the electric heating module 500 and the control box 420. Wherein, the main control board is electrically connected with the control box 420 through the adapter wire 430 (the connecting line between the anti-corrosion module 400 and the main control board is a weak current line, which includes the adapter wire 430, the ground wire 440, the first connecting wire 450 and the second connecting wire 460), that is, one end of the adapter wire 430 is electrically connected with the control box 420, and the other end of the adapter wire 430 extends into the head assembly 100 through the shared wall (such as the upper cover 150 of the outer shell of the water tank assembly, that is, the mounting piece) between the water tank assembly and the head assembly 700 and is electrically connected with the main control board. The service life of the electronic magnesium rod 410 (10-15 years) is longer than that of the physical magnesium rod (2-3 years). Wherein, the control box 420 is connected with the ground wire 440, the control box 420 is electrically connected with the electronic magnesium rod 410 through the first connecting wire 450, and the control box 420 further reserves the second connecting wire 460 for connecting the physical magnesium rod. In addition, the electric heating module 500 is electrically connected with the main control board through the third connecting wire (the connecting line between the electric heating module 500 and the main control board), and the third connecting wire also passes through the upper cover 150 and is a strong current line, which is arranged separately from the weak current line.

[0034] In some examples, as Figure 1 、 Figure 6 and Figure 7As shown, the heat pump water heater further comprises a decoration piece 800 with a mounting port 811, an upper part of the decoration piece 800 is arranged at the side of the head assembly 700, and a lower part of the decoration piece 800 is arranged at the side of the shell; and a wire controller 900 arranged at the mounting port 811. The decoration piece 800 comprises an upper decoration cover 810 arranged at the side of the head assembly 700, and the mounting port 811 is located at the side of the upper decoration cover 810; and a lower decoration cover 820 located below the upper decoration cover 810 and arranged at the side of the shell, and the lower end of the upper decoration cover 810 and the upper end of the lower decoration cover 820 are connected. The upper decoration cover 810 and the lower decoration cover 820 are in a split structure, and the wire controller 900 is assembled with the upper decoration cover 810. The fixing plate 830 is arranged at the side of the upper decoration cover 810 facing the head assembly 700, and the wire controller 900 is located in the mounting port 811 and arranged on the fixing plate 830. When the heat pump water heater needs to replace different types of wire controllers 900, only the corresponding type of wire controller 900 and the upper decoration cover 810 and the fixing plate 830 used in cooperation with the wire controller 900 need to be replaced, and the lower decoration cover 820 does not need to be replaced, so that the replacement process of the wire controller 900 is simpler.

[0035] In some embodiments, the lower end of the upper decoration cover 810 and the upper end of the lower decoration cover 820 are connected by clamping, and the lower end of the lower decoration cover 820 and the side of the shell are connected by magnetic attraction. This fixing method of the lower decoration cover 820 is relatively simple and has good aesthetics.

[0036] The lower end of the upper decoration cover 810 can be provided with a buckle, and the upper end of the lower decoration cover 820 can be provided with a buckle position, and the buckle and the buckle position are connected by clamping to achieve the clamping connection of the lower end of the upper decoration cover 810 and the upper end of the lower decoration cover 820.

[0037] As shown in Figure 7 , the lower end of the lower decoration cover 820 is provided with a first magnet 821, and the front side of the shell is provided with a second magnet, the first magnet 821 and the second magnet are connected by magnetic attraction to achieve the magnetic attraction connection of the lower end of the lower decoration cover 820 and the side of the shell.

[0038] In some examples, as shown in Figure 1 , Figures 5 to 7 , the head assembly 700 comprises a semicircular front side wall 710 with an opening facing backward, and a semicircular rear side wall 720 with an opening facing forward, and the two ends of the circumference of the rear side wall 720 are connected to the two ends of the circumference of the front side wall 710 one by one, the upper decoration cover 810 is arranged at the side of the front side wall 710 facing away from the rear side wall 720 and faces the front side of the head assembly 700, and the lower decoration cover 820 covers the temperature sensing bag 600, the corrosion prevention module 400 and the electric heating module 500. This scheme has a more beautiful appearance of the heat pump water heater.

[0039] In conclusion, the heat pump water heater provided by the embodiment of the utility model, the heat conduction medium liquid heat exchange pipe is arranged in the inner container and is arranged to be connected with the heat exchange pipe of the solar panel through the connecting port to form a circulating flow path, the circulating flow path is filled with the heat conduction medium liquid, the solar panel heats the heat conduction medium liquid, the heat conduction medium liquid flows along the circulating flow path and exchanges heat with the water in the inner container through the heat conduction medium liquid heat exchange pipe, so that the water in the inner container is heated by the solar energy.

[0040] In the description of the utility model, it should be pointed out that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "edge", "opposite", "four corners", "periphery", "mouth" structure" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the structure referred to has a particular orientation, is constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0041] In the description of the utility model embodiment, unless otherwise explicitly specified and limited, the terms "connection", "direct connection", "indirect connection", "fixed connection", "installation", "assembly" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; The terms "installation", "connection", "fixed connection" can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0042] Although the embodiments disclosed by the utility model are as above, the content described is only the embodiment adopted for the convenience of understanding the utility model, and is not used to limit the utility model. Any person skilled in the art of the utility model can make any modification and change in the form and details without departing from the spirit and scope of the utility model disclosed, but the patent protection scope of the utility model still needs to be defined by the appended claims.

Claims

1. A liner anti-corrosion structure, characterized by, The inner container; The corrosion prevention module is arranged in the inner container and comprises an electronic magnesium stick and a control box, the electronic magnesium stick and the control box are arranged on the side of the inner container, the control box is electrically connected with the electronic magnesium stick; And The main control board is electrically connected with the control box. Further comprising:

2. The liner anti-corrosion structure according to claim 1, characterized by, The control box is electrically connected with the main control board through the adapter line. Further comprising:

3. The liner anti-corrosion structure according to claim 1, characterized by The mounting member is arranged at the end of the inner container, and the main control board is arranged on the mounting member. The main control board is arranged on the side of the mounting member which is away from the inner container.

4. The liner anti-corrosion structure according to claim 3, characterized by The inner container is arranged vertically, the electronic magnesium stick and the control box are arranged on the front side of the inner container, and the mounting member is arranged at the upper end of the inner container.

5. The liner anti-corrosion structure according to claim 4, characterized by Further comprising:

6. The liner anti-corrosion structure according to claim 3, characterized by The outer shell is arranged vertically, the inner container is arranged in the outer shell, and the mounting member is the upper cover of the outer shell. The inner container corrosion prevention structure according to any one of claims 1 to 6.

7. A water tank assembly characterized by, Further comprising:

8. The water tank assembly of claim 7, wherein, The electric heating module is arranged vertically on the front side of the inner container and is electrically connected with the main control board, and the connection line between the electric heating module and the main control board is spaced from the connection line between the corrosion prevention module and the main control board. Further comprising:

9. The water tank assembly of claim 7, wherein, The temperature sensing bag is arranged vertically on the front side of the inner container. The water tank assembly according to any one of claims 7 to 9.

10. A heat pump water heater, characterized by, ​