Heating device and bathroom equipment

By designing a grounding assembly for the conductive sheet to insert the flow channel and divide the flow channel in the heating device, the problem of the grounding function failure of the existing heater when the water flow is not fully loaded or the water channel is inclined, achieving higher reliability of the grounding assembly.

CN222527964UActive Publication Date: 2025-02-25HUNAN MEGMEET ELECTRICAL TECH CO LTD
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Patent Information

Application Number
CN202323338569.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-06
Publication Date
2025-02-25
Estimated Expiration
2033-12-06

AI Technical Summary

Technical Problem

The protective grounding of existing heaters is prone to failure when the water flow is not fully loaded or the water channel is inclined, resulting in insufficient grounding function.

Method used

A heating device is designed, including a housing, a heating assembly and a ground assembly. The grounding assembly consists of a grounding plate and a conductive sheet. The conductive sheet is inserted into the flow channel and divided the flow channel along the flow direction to ensure that the liquid and the conductive sheet are in full contact, thereby improving the reliability of the grounding assembly.

Benefits of technology

Through this design, the conductive sheet is in full contact with the liquid in the runner, which improves the reliability of the grounding assembly and ensures that the grounding function is always effective under different water flow conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model relates to the technical field of protection grounding, and particularly discloses a heating device and bathroom equipment, and the heating device comprises a housing, a heating assembly and a grounding assembly. The shell is provided with a flow channel, a liquid inlet, a liquid outlet and a first grounding port, the two ends of the flow channel are communicated with the liquid inlet and the liquid outlet respectively, and the first grounding port is communicated with the flow channel; the heating assembly is arranged in the flow channel and used for heating liquid in the flow channel; the grounding assembly comprises a grounding plate and a first conducting plate, the first conducting plate is fixed to the grounding plate, the grounding plate is arranged in the shell, the first conducting plate is partially inserted into the flow channel from the first grounding port and divides the flow channel into a first channel and a second channel in the flowing direction of the flow channel, and the part, inserted into the flow channel, of the first conducting plate is provided with a first communicating hole; the first channel and the second channel are communicated through the first communication hole. Through the above mode, the first conductive sheet in the embodiment of the utility model can be in full contact with liquid in the flow channel, and the reliability of the grounding assembly is improved.
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Description

Technical Field

[0001] The embodiment of the utility model relates to the technical field of protective grounding, and in particular to a heating device and bathroom equipment. Background Art

[0002] Heaters are electrical appliances that use electrical energy to convert into thermal energy to achieve heating effects. They are widely used due to their small size, high heating efficiency, and high temperature control accuracy. Protective grounding of heaters is a very important safety measure. Protective grounding is set to prevent equipment from being charged due to insulation damage and endangering personal safety. Nowadays, the protective grounding of heaters usually adopts the method of externally installing grounding copper sheets, that is, openings are opened in the waterway, and the water in the waterway contacts the grounding copper sheet through the openings.

[0003] In the process of implementing the embodiments of the utility model, the inventors found that when the water flow in the water channel does not reach full load or the water channel is tilted due to the installation environment, the grounding copper sheet is likely to have insufficient contact with the water channel, resulting in failure of the grounding function. Utility Model Content

[0004] In view of the above problems, the embodiments of the present utility model provide a heating device and bathroom equipment, which overcome the above problems or at least partially solve the above problems.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a heating device, including a shell, a heating component and a grounding component. The shell is provided with a flow channel, a liquid inlet, a liquid outlet and a first grounding port, the two ends of the flow channel are respectively connected with the liquid inlet and the liquid outlet, and the first grounding port is connected with the flow channel; the heating component is arranged in the flow channel, and the heating component is used to heat the liquid passing through the flow channel; the grounding component includes a grounding plate and a first conductive sheet, the first conductive sheet is fixed to the grounding plate, the grounding plate is arranged on the shell, the first conductive sheet is inserted into the flow channel from the first grounding port part, and along the flow direction of the flow channel, the first conductive sheet divides the flow channel into a first channel and a second channel, the part of the first conductive sheet inserted into the flow channel is provided with a first connecting hole, and the first channel and the second channel are connected through the first connecting hole.

[0006] Optionally, the first conductive sheet includes a first mounting portion, a first plug-in portion and an abutment portion, one end of the first plug-in portion is connected to the first mounting portion, the other end of the first plug-in portion is connected to the abutment portion, the first mounting portion and the abutment portion are both perpendicular to the first plug-in portion, the first mounting portion is fixed to the grounding plate, the abutment portion abuts against a wall of the flow channel opposite to the first grounding port, and the first connecting hole is arranged in the first plug-in portion.

[0007] Optionally, the first mounting portion and the abutting portion are respectively located on two sides of the first plug-in portion.

[0008] Optionally, the first plug-in portion also extends to the second channel, the first plug-in portion divides the second channel into a connecting channel and a rear end channel, the portion of the first plug-in portion extending to the second channel is provided with a second connecting hole, the first connecting hole connects one end of the connecting channel with the first channel, and the second connecting hole connects the other end of the connecting channel with the rear end channel.

[0009] Optionally, the shell is also provided with a second grounding port, which is connected to the rear end channel; the grounding component also includes a second conductive sheet, which is fixed to the grounding plate, and the second conductive sheet is partially inserted into the rear end channel from the second grounding port, and along the flow direction of the flow channel, the second conductive sheet divides the rear end channel into a rear end main channel and a liquid inlet channel, and the part of the second conductive sheet inserted into the rear end channel is provided with a third connecting hole, one end of the rear end main channel and one end of the liquid inlet channel are connected through the third connecting hole, the other end of the liquid inlet channel is connected to the liquid inlet, the other end of the rear end main channel is connected to the other end of the connecting channel through the second connecting hole, the end of the first channel away from the first connecting hole is connected to the liquid outlet, the second conductive sheet is close to the liquid inlet, and the first conductive sheet is close to the liquid outlet.

[0010] Optionally, the grounding assembly further includes a first sealing ring, which is arranged between the grounding plate and the outer surface of the shell, and the first sealing ring surrounds the second grounding port.

[0011] Optionally, a first receiving groove is provided on the outer surface of the shell, the first receiving groove surrounds the second grounding port, the first sealing ring is partially received in the first receiving groove, the first sealing ring partially protrudes from the first receiving groove, and the part of the first sealing ring protruding from the first receiving groove abuts against the surface of the grounding plate facing the shell.

[0012] Optionally, the grounding assembly further includes a second sealing ring, the second sealing ring is arranged between the grounding plate and the outer surface of the shell, and the second sealing ring surrounds the second grounding port.

[0013] Optionally, a second receiving groove is provided on the outer surface of the shell, the second receiving groove surrounds the first grounding port, the second sealing ring is partially received in the second receiving groove, the second sealing ring partially protrudes from the second receiving groove, and the part of the second sealing ring protruding from the second receiving groove abuts against the surface of the grounding plate facing the shell.

[0014] In order to solve the above technical problems, another technical solution adopted by the present invention is: to provide a bathroom equipment, including the above heating device.

[0015] The beneficial effects of the embodiment of the utility model are as follows: Different from the prior art, the embodiment of the utility model provides a heating device and bathroom equipment, the heating device includes a shell, a heating component and a grounding component, the shell is provided with a flow channel, a liquid inlet, a liquid outlet and a first grounding port, the two ends of the flow channel are respectively connected with the liquid inlet and the liquid outlet, and the first grounding port is connected with the flow channel; the heating component is arranged in the flow channel, and the heating component is used to heat the liquid passing through the flow channel; the grounding component includes a grounding plate and a first conductive sheet, the first conductive sheet is fixed to the grounding plate, the grounding plate is arranged on the shell, the first conductive sheet is partially inserted into the flow channel from the first grounding port, and along the flow direction of the flow channel, the first conductive sheet divides the flow channel into a first channel and a second channel, the portion of the first conductive sheet inserted into the flow channel is provided with a first connecting hole, and the first channel and the second channel are connected through the first connecting hole. In the above manner, the first conductive sheet in the embodiment of the present application can fully contact with the liquid in the flow channel, thereby improving the reliability of the grounding component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional diagram of a heating device provided by an embodiment of the utility model;

[0018] Figure 2 It is an exploded diagram of a heating device provided by an embodiment of the utility model;

[0019] Figure 3 yes Figure 1 Section view along the cutting line AA;

[0020] Figure 4 yes Figure 1 A cross-sectional view taken along the cutting line BB;

[0021] Figure 5 is an enlarged schematic diagram of a first conductive sheet provided in an embodiment of the utility model;

[0022] Figure 6 is an enlarged schematic diagram of the second conductive sheet provided in an embodiment of the utility model;

[0023] Figure 7 It is a three-dimensional diagram of an integrated heating device provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the utility model, the utility model is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on another element, or there can be one or more centered elements therebetween. When an element is described as "connected" to another element, it can be directly connected to another element, or there can be one or more centered elements therebetween. The orientation or positional relationship indicated by the terms "vertical", "inside", "outside", etc. used in this specification is based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by technicians in the technical field of the present invention. The terms used in this specification are only for the purpose of describing specific embodiments and are not used to limit the present invention. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0026] See also Figure 1 and Figure 2 The heating device 1000 includes a shell 1, a heating component 2, a grounding component 3, a sealing ring 4 and a temperature sensor 5. The shell 1 is provided with a flow channel, and both ends of the flow channel are connected to the outside. The heating component 2 is arranged in the flow channel, and the heating component 2 is used to heat the liquid flowing through the flow channel. The grounding component 3 is connected to the shell 1. The grounding component 3 is used to conduct the fault current to the ground when the heating device 1000 is abnormally energized to protect the personal safety of the user and the safety of the equipment. The sealing ring 4 is arranged between the grounding component 3 and the shell 1. The sealing ring 4 is used to close the gap between the grounding component 3 and the shell 1. The temperature sensor 5 is arranged on the outer shell, and the temperature sensor 5 is used to detect the shell 1 and the liquid temperature in the flow channel.

[0027] For the above case 1, see Figure 1-3The shell 1 includes a main body and an end portion, the end portion is arranged at one end of the main body, and is provided with a liquid outlet 11, a liquid inlet 12, a first channel 13, a connecting channel 141 and a liquid inlet channel. The liquid outlet 11 is arranged at one end of the first channel 13, the liquid inlet 12 is arranged at one end of the liquid inlet channel, one end of the connecting channel 141 is connected to the other end of the first channel 13. The main body of the rear end main channel 1421 is arranged at the main body, one end of the rear end main channel 1421 is arranged at the end portion and is connected to the other end of the connecting channel 141, the other end of the rear end main channel 1421 is arranged at the end portion and is connected to the other end of the liquid inlet channel, the rear end main channel 1421 and the liquid inlet channel jointly form a rear end channel 142, the rear end channel 142 and the connecting channel 141 jointly constitute a second channel 14, and the second channel 14 and the first channel 13 jointly form a flow channel. The surface of the end is also provided with a first grounding port 15 , a second grounding port 16 , a plurality of limit blocks 17 and a plurality of first connecting through holes 18 . A first receiving groove 151 is provided around the first grounding port 15 , and a second receiving groove 161 is provided around the second grounding port 16 .

[0028] Understandably, see Figure 7 In some embodiments, the housing 1 may also be provided in an integrated device, and the housing 1 and the integrated device are an integrated structure.

[0029] For heating element 2, see Figure 3 The number of the heating components 2 can be one or more. The heating components 2 are accommodated in the main body of the shell 1, and the flow channels are distributed on the upper and lower surfaces of the heating components 2.

[0030] For temperature sensor 5, see Figure 2 and Figure 3 The temperature sensor 5 includes a first temperature sensor 51, a second temperature sensor 52 and a third temperature sensor 53. The first temperature sensor 51 and the second temperature sensor 52 are plugged into the flow channel. A first step 511 is arranged around the middle of the first temperature sensor 51. The first temperature sensor 51 is close to the liquid outlet 11. The first temperature sensor 51 is used to detect the outlet temperature of the liquid. A second step 521 is arranged around the middle of the second temperature sensor 52. The second temperature sensor 52 is close to the liquid inlet 12. The second temperature sensor 52 is used to detect the inlet temperature of the liquid. The third temperature sensor 53 is plugged into the main body. The third temperature sensor 53 is used to detect the temperature of the main body and the liquid in the main body.

[0031] It is understandable that the temperature sensor 5 is not limited to the above, and may also be other structures. For example, the temperature sensor 5 is fixed to the shell 1, or the temperature sensor 5 includes a larger number of temperature sensors and is plugged into other parts of the heating device 1000 to accurately measure the temperature.

[0032] For grounding assembly 3, see Figure 2-6The grounding assembly 3 includes a first conductive sheet 31, a second conductive sheet 32 ​​and a grounding plate 33. The first conductive sheet 31 includes a first mounting portion 311, a first plug-in portion 312 and a contact portion 313. One side surface of the first mounting portion 311 is connected to the surface of the grounding plate 33. The first plug-in portion 312 is inserted into the flow channel from the first grounding port 15, and the contact portion 313 contacts the wall surface of the flow channel opposite to the first grounding port 15. One end of the first mounting portion 311 is connected to one end of the first plug-in portion 312, and the other end of the first mounting portion 311 is located on one side of the first plug-in portion 312. One end of the contact portion 313 is connected to the other end of the first plug-in portion 312. The other end is located on the other side of the first plug-in portion 312, and the first mounting portion 311 and the abutting portion 313 are both perpendicular to the first plug-in portion 312; the first plug-in portion 312 is provided with a first connecting hole 3121 and a second connecting hole 3122, the second connecting hole 3122 is located between the connecting channel 141 and the rear end main road 1421, the second connecting hole 3122 connects the connecting channel 141 and the rear end main road 1421, the first connecting hole 3121 is located between the connecting channel 141 and the first channel 13, the first connecting hole 3121 connects the connecting channel 141 and the first channel 13. The second conductive sheet 32 ​​includes a second mounting portion 321 and a second plug-in portion 322. A side surface of the second mounting portion 321 is connected to a surface of the grounding plate 33. The second plug-in portion 322 is inserted into the flow channel from the second grounding port 16. One end of the second mounting portion 321 is connected to one end of the second plug-in portion 322. The second mounting portion 321 is perpendicular to the second plug-in portion 322. The second plug-in portion 322 is provided with a third connecting hole 3221. The third connecting hole 3221 is located between the rear main channel 1421 and the liquid inlet channel. The third connecting hole 3221 connects the rear main channel 1421 and the liquid inlet channel. The first conductive sheet 31 and the second conductive sheet 32 ​​are used to transfer current to the ground through the grounding plate 33 when the flow channel and the liquid in the flow channel are abnormally charged. The grounding plate 33 is arranged on the surface where the first grounding port 15 and the second grounding port 16 are located, one end of the grounding plate 33 is connected to the ground, and the grounding plate 33 is provided with a plurality of limiting holes 330 and a plurality of second through holes 331. The limiting holes 330 cooperate with the limiting blocks 17 to limit the grounding plate 33 and the shell 1; the second connecting through hole 331 corresponds to the first connecting through hole 18, and is used for allowing a fixing device to pass through so as to fix the grounding plate 33 and the shell 1; one side of the grounding plate 33 is provided with a first connecting port 332 and a second connecting port 333, the first step 511 abuts against the first connecting port 332, and the second step 521 abuts against the second connecting port 333, so that the grounding plate 33 fixes the first temperature sensor 51 and the second temperature sensor 52 to the shell 1, and when the first temperature sensor 51 and the second temperature sensor 52 are abnormally energized, the current is transmitted to the ground through the grounding plate 33.

[0033] It is understandable that the structures of the first conductive sheet 31 and the second conductive sheet 32 ​​are not limited to the above, and can also be other structures, for example, the first mounting portion 311 and the abutting portion 313 in the first conductive sheet 31 are not perpendicular to the first plug-in portion 312, but the first mounting portion 311 and the abutting portion 313 are connected to the first plug-in portion 312 at a non-right angle, or the first mounting portion 311 and the abutting portion 313 in the first conductive sheet 31 are both located on the same side of the first plug-in portion 312, or the conductive sheet and the grounding plate 33 are an integrated structure, that is, the first mounting portion 311 of the first conductive sheet 31 and the second mounting portion 321 of the second conductive sheet 32 ​​are both an integrated structure with the grounding plate 33, or only the first conductive sheet 31 is provided, and the first grounding port 15 is correspondingly provided at the end. In addition, the grounding plate 33 can also be other structures, for example, the grounding plate 33 is not provided with a plurality of limiting holes 330, but the grounding plate 33 is provided with a plurality of limiting blocks, and the housing 1 is correspondingly provided with a plurality of limiting holes, and the limiting blocks are matched and connected with the limiting holes.

[0034] It should be noted that the first conductive sheet 31 , the second conductive sheet 32 ​​and the grounding plate 33 are all made of corrosion-resistant conductive materials.

[0035] For seal 4, see Figures 2 to 4 The sealing ring 4 is cushioned between the grounding plate 33 and the outer surface of the end portion, and the sealing ring 4 includes a first sealing ring 41 and a second sealing ring 42. One end of the first sealing ring 41 is connected to the second sealing ring 42. The first sealing ring 41 is received in the first receiving groove 151 and partially protrudes from the first receiving groove 151. The portion of the first sealing ring 41 protruding from the first receiving groove 151 abuts against the surface of the end portion of the grounding plate 33 facing the shell 1. The first sealing ring 41 is used to close the gap between the grounding plate 33 and the second grounding port 16; the second sealing ring 42 is received in the second receiving groove 161 and partially protrudes from the second receiving groove 161. The portion of the second sealing ring 42 protruding from the second receiving groove 161 abuts against the surface of the end portion of the grounding plate 33 facing the shell 1. The second sealing ring 42 is used to close the gap between the grounding plate 33 and the second grounding port 16.

[0036] It is understandable that the structure of the sealing ring 4 is not limited to the above, and may also be other structures. For example, the first sealing ring 41 and the second sealing ring 42 are independently provided and are not connected to each other.

[0037] It should be noted that the sealing ring 4 is made of a high temperature resistant and corrosion resistant flexible material.

[0038] In the embodiment of the utility model, the heating device 1000 includes a housing 1, a heating component 2, a grounding component 3 and a sealing ring 4. The housing 1 is provided with a flow channel, a liquid outlet 11, a liquid inlet 12 and a first grounding port 15. The flow channel includes a first channel 13 and a second channel 14. The liquid outlet 11 is provided at one end of the first channel 13, the other end of the first channel 13 is connected to one end of the second channel 14, and the liquid inlet 12 is provided at the other end of the second channel 14. The heating component 2 is provided in the flow channel for heating the liquid flowing therethrough. The grounding component 3 includes a grounding plate 33 and a first conductive sheet 31. The first conductive sheet 31 includes a first mounting portion 311, a first plug-in portion 312 and an abutting portion 313. The first mounting portion 311 is fixedly connected to the grounding plate 33. The first plug-in portion 312 is inserted into the flow channel from the first grounding port 15, and the abutting portion 313 abuts against the wall of the flow channel opposite to the first grounding port 15. The first plug-in portion 312 is provided with a first connecting hole 3121. The first connecting hole 3121 divides the flow channel into a first channel 13 and a second channel 14. When the liquid flows from the second channel 14 to the first channel 13, the liquid flows through the first connecting hole 3121, and the flow channel liquid is in full contact with the first conductive sheet 31. When the liquid in the flow channel is abnormally charged, it is not affected by the inclination of the heating device 1000. The first conductive sheet 31 can transmit the fault current to the ground, thereby improving the reliability of the grounding component 3.

[0039] The utility model also provides a bathroom equipment embodiment, the bathroom equipment includes the above-mentioned heating device 1000, the structure and function of the heating device 1000 can refer to the above-mentioned embodiment, and will not be described one by one here.

[0040] It should be noted that the preferred embodiments of the utility model are given in the specification and drawings of the utility model, but the utility model can be implemented in many different forms and is not limited to the embodiments described in the specification. These embodiments are not used as additional restrictions on the content of the utility model. The purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. In addition, the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as the scope of the description of the utility model; further, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should belong to the scope of protection of the claims attached to the utility model.

Claims

1. A heating device, characterized in that: include: The housing is provided with a flow channel, a liquid inlet, a liquid outlet and a first grounding port, wherein two ends of the flow channel are respectively connected with the liquid inlet and the liquid outlet, and the first grounding port is connected with the flow channel; A heating component is disposed in the flow channel, and is used to heat the liquid passing through the flow channel; A grounding component includes a grounding plate and a first conductive sheet, wherein the first conductive sheet is fixed to the grounding plate, and the grounding plate is arranged on the shell, the first conductive sheet is inserted into the flow channel from the first grounding port portion, and along the flow direction of the flow channel, the first conductive sheet divides the flow channel into a first channel and a second channel, and the portion of the first conductive sheet inserted into the flow channel is provided with a first connecting hole, and the first channel and the second channel are connected through the first connecting hole.

2. The heating device according to claim 1, characterized in that The first conductive sheet includes a first mounting portion, a first plug-in portion and an abutment portion, one end of the first plug-in portion is connected to the first mounting portion, the other end of the first plug-in portion is connected to the abutment portion, the first mounting portion and the abutment portion are both perpendicular to the first plug-in portion, the first mounting portion is fixed to the grounding plate, the abutment portion abuts against a wall surface of the flow channel opposite to the first grounding port, and the first connecting hole is arranged in the first plug-in portion.

3. The heating device according to claim 2, characterized in that: The first mounting portion and the abutting portion are respectively located on two sides of the first plug-in portion.

4. The heating device according to claim 2, characterized in that: The first plug-in portion also extends to the second channel, and the first plug-in portion divides the second channel into a connecting channel and a rear end channel. The portion of the first plug-in portion extending to the second channel is provided with a second connecting hole, and the first connecting hole connects one end of the connecting channel with the first channel, and the second connecting hole connects the other end of the connecting channel with the rear end channel.

5. The heating device according to claim 4, characterized in that: The housing is further provided with a second grounding port, and the second grounding port is connected to the rear end channel; The grounding component also includes a second conductive sheet, which is fixed to the grounding plate. The second conductive sheet is partially inserted into the rear end channel from the second grounding port, and along the flow direction of the flow channel, the second conductive sheet divides the rear end channel into a rear end main channel and a liquid inlet channel. The portion of the second conductive sheet inserted into the rear end channel is provided with a third connecting hole, one end of the rear end main channel and one end of the liquid inlet channel are connected through the third connecting hole, the other end of the liquid inlet channel is connected to the liquid inlet, the other end of the rear end main channel is connected to the other end of the connecting channel through the second connecting hole, the end of the first channel away from the first connecting hole is connected to the liquid outlet, the second conductive sheet is close to the liquid inlet, and the first conductive sheet is close to the liquid outlet.

6. The heating device according to claim 5, characterized in that: The grounding assembly further includes a first sealing ring, which is arranged between the grounding plate and the outer surface of the shell, and surrounds the first grounding port.

7. The heating device according to claim 6, characterized in that: A first receiving groove is provided on the outer surface of the shell, the first receiving groove surrounds the second grounding port, the first sealing ring is partially received in the first receiving groove, the first sealing ring partially protrudes from the first receiving groove, and the part of the first sealing ring protruding from the first receiving groove abuts against the surface of the grounding plate facing the shell.

8. The heating device according to any one of claims 5 to 7, characterized in that: The grounding assembly further includes a second sealing ring, which is arranged between the grounding plate and the outer surface of the shell, and surrounds the second grounding port.

9. The heating device according to claim 8, characterized in that: A second receiving groove is provided on the outer surface of the shell, the second receiving groove surrounds the first grounding port, the second sealing ring is partially received in the second receiving groove, the second sealing ring partially protrudes from the second receiving groove, and the part of the second sealing ring protruding from the second receiving groove abuts against the surface of the grounding plate facing the shell.

10. A bathroom equipment, characterized in that: Comprising a heating device as described in any one of claims 1-9.