Heating device and bathroom equipment

Abstract

The embodiment of the utility model relates to the technical field of heating, and particularly discloses a heating device and bathroom equipment, and the heating device comprises a shell and a heating assembly. The shell is provided with a containing cavity, a communicating channel, a liquid inlet pipe and a liquid outlet pipe, the heating assembly is arranged in the containing cavity and divides the containing cavity into a first cavity and a second cavity, the first cavity is provided with an upper runner, the second cavity is provided with a lower runner, and the upper runner and the lower runner are distributed in a coiled mode along the upper surface and the lower surface of the heating assembly respectively. One end of the upper flow channel is communicated with one end of the communicating channel, the other end of the communicating channel is communicated with one end of the lower flow channel, the liquid outlet pipe is communicated with the other end of the upper flow channel, the liquid inlet pipe is communicated with the other end of the lower flow channel, and the liquid inlet pipe, the lower flow channel, the communicating channel, the upper flow channel and the liquid outlet pipe jointly form a flow guide channel. In this way, the flow guide channels are distributed on the surfaces of the two sides of the heating assembly in a coiled mode, liquid makes full contact with the heating assembly, and the heating efficiency is improved.

Description

Technical Field

[0001] The embodiments of the utility model relate to the field of heating technology, and in particular to a heating device and bathroom equipment. Background Art

[0002] A heater is an electrical appliance that uses electrical energy to convert into thermal energy to achieve a heating effect. It is widely used due to its small size, high heating efficiency, and high temperature control accuracy. The three common heating methods are electromagnetic heating, infrared heating, and resistance heating. In terms of liquid circuit heating, resistance heating is mainly used.

[0003] In the process of implementing the embodiments of the utility model, the inventors found that when using resistance heating, the liquid channel and the heating component are separated, there is a large heat loss between the liquid and the heating component, and the heating efficiency is low. 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 and a heating component. The shell is provided with a receiving chamber, a connecting channel, a liquid inlet pipe and a liquid outlet pipe, the heating component is arranged in the receiving chamber, and the heating component divides the receiving chamber into a first chamber and a second chamber, the first chamber is provided with an upper flow channel, and the second chamber is provided with a lower flow channel, the upper flow channel and the lower flow channel are distributed in a coiled manner along the surface of the heating component, one end of the upper flow channel is connected with one end of the connecting channel, the other end of the connecting channel is connected with one end of the lower flow channel, the liquid outlet pipe is connected with the other end of the upper flow channel, the liquid inlet pipe is connected with the other end of the lower flow channel, the liquid inlet pipe, the lower flow channel, the connecting channel, the upper flow channel and the liquid outlet pipe jointly form a guide channel, and the guide channel is used for liquid flow, the first surface of the heating component facing the upper flow channel is used to heat the liquid passing through the upper flow channel, and the second surface of the heating component facing the lower flow channel is used to heat the liquid passing through the lower flow channel.

[0006] Optionally, the heating device also includes a first partition, which is arranged in the first cavity, and the first partition and the heating component jointly divide the first cavity into a plurality of first flow channels and a plurality of first connecting flow channels, the plurality of first flow channels extend along the length direction of the heating component, and the plurality of first connecting flow channels extend along the width direction of the heating component, and one first connecting flow channel is respectively connected with two of the first flow channels so that the plurality of first flow channels are connected in sequence to form the upper flow channel; the first surface of the heating component facing the first partition is used to heat the liquid passing through the upper flow channel.

[0007] Optionally, a surface of the first partition facing the heating component is provided with a plurality of first flow grooves and a plurality of first connecting flow grooves, the inner surfaces of the plurality of first flow grooves and the plurality of first connecting flow grooves are both arc surfaces, the plurality of first flow grooves extend along the length direction of the heating component, the plurality of first connecting flow grooves extend along the width direction of the heating component, one first connecting flow groove is respectively connected with two of the first flow grooves, so that the plurality of first flow grooves are connected in sequence to form an upper flow groove; the heating component is covered with a notch of the upper flow groove, and the notch of the upper flow groove is closed to form the upper flow channel.

[0008] Optionally, the heating device also includes a second partition, which is arranged in the second cavity, and the second partition and the heating component jointly divide the second cavity into a plurality of second flow channels and a plurality of second connecting flow channels, the plurality of second flow channels extend along the length direction of the heating component, and the plurality of second connecting flow channels extend along the width direction of the heating component, and one second connecting flow channel is respectively connected with two second flow channels so that the plurality of second flow channels are connected in sequence to form the lower flow channel; the second surface of the heating component facing the second partition is used to heat the liquid passing through the lower flow channel.

[0009] Optionally, a surface of the second partition facing the heating component is provided with a plurality of second flow grooves and a plurality of second connecting flow grooves, the inner surfaces of the plurality of second flow grooves and the plurality of second connecting flow grooves are both arc surfaces, the plurality of second flow grooves extend along the length direction of the heating component, the plurality of second connecting flow grooves extend along the width direction of the heating component, one second connecting flow groove is respectively connected with two second flow grooves, so that the plurality of second flow grooves are connected in sequence to form a lower flow groove; the heating component is covered with a notch of the lower flow groove, and the notch of the lower flow groove is closed to form the lower flow channel.

[0010] Optionally, the shell is provided with a first through hole, and the first through hole is connected to the liquid inlet pipe; the heating device also includes a first temperature sensor, and a probe of the first temperature sensor is inserted into the liquid inlet pipe from the first through hole.

[0011] Optionally, the shell is provided with a second through hole, and the second through hole is connected to the liquid outlet pipe; the heating device also includes a second temperature sensor, and a probe of the second temperature sensor is inserted into the liquid outlet pipe from the second through hole.

[0012] Optionally, the heating device further includes a grounding component, which is disposed on the housing and partially inserted into the guide channel, and is connected to the first temperature sensor and the second temperature sensor.

[0013] Optionally, the shell is provided with a third through hole, and the third through hole is connected to the receiving cavity; the heating device also includes a third temperature sensor and a heat conductive sheet, the heat conductive sheet is provided on the shell, and the heat conductive sheet closes the third through hole, the heat conductive sheet is in contact with the heating component, and the surface of the heat conductive sheet facing the receiving cavity is provided with a heat conductive groove, and the third temperature sensor is provided in the heat conductive groove.

[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 effect of the embodiment of the utility model is as follows: Different from the prior art, the embodiment of the present application provides a heating device and bathroom equipment, the heating device comprising a housing and a heating component. The housing is provided with a receiving chamber, a connecting channel, a liquid inlet pipe and a liquid outlet pipe, the heating component is provided in the receiving chamber, the heating component divides the receiving chamber into a first chamber and a second chamber, the first chamber is provided with an upper flow channel, the second chamber is provided with a lower flow channel, the upper flow channel and the lower flow channel are coiled along the surface of the heating component, one end of the upper flow channel is connected to one end of the connecting channel, the other end of the connecting channel is connected to one end of the lower flow channel, the liquid inlet pipe is connected to the other end of the upper flow channel, the liquid outlet pipe is connected to the other end of the lower flow channel, the liquid inlet pipe, the upper flow channel, the connecting channel, the lower flow channel and the liquid outlet pipe together form a guide channel, the guide channel is used for liquid flow, the first surface of the heating component facing the upper flow channel is used for heating the liquid passing through the upper flow channel, and the second surface of the heating component facing the lower flow channel is used for heating the liquid passing through the lower flow channel. Through the above method, the guide channel is distributed in a coiled manner on the two side surfaces of the heating component, and the liquid is fully in contact with the heating component, thereby improving the heating efficiency. 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 This is a component disassembly diagram of a heating device provided by an embodiment of the utility model;

[0019] Figure 3 It is an exploded view of the heating assembly and the partition of the embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the inner cavity of a flow guide channel of a heating device provided by an embodiment of the utility model;

[0021] Figure 5 yes Figure 1 Sectional view after cutting along the cutting line AA;

[0022] Figure 6 yes Figure 1 Sectional view after cutting along the cutting line BB;

[0023] Figure 7 yes Figure 1 Cross-sectional view along cutting line CC. 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 "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 this 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 1and Figure 2 The heating device 100 includes a housing 1, a heating component 2, a partition 3, a temperature sensor 4 and a grounding component 5. The heating component 2 and the partition 3 are accommodated in the housing 1, and the heating component 2 and the partition 3 together form a flow channel, and the external liquid flows into the housing 1 and flows out of the housing 1 after passing through the flow channel; the heating component 2 is used to heat the liquid flowing through, the grounding component 5 is connected to the housing 1, and the temperature sensor 4 is arranged on the housing 1. The temperature sensor 4 is used to monitor the temperature of the heating device 100 and the liquid flowing through the heating device 100, and the grounding component 5 is used to conduct the fault current to the ground when the heating device 100 is abnormally energized, thereby protecting the personal safety of the user and the safety of the equipment.

[0027] For the above enclosure 1, see Figure 2 , a connecting channel 13, a liquid inlet pipe 11 and a liquid outlet pipe 12 are provided at one end of the shell 1, and an enclosing cover 14 is provided at the other end of the shell 1, and a receiving chamber 10 is formed inside the shell. The receiving chamber 10 includes a first chamber and a second chamber, and the connecting channel 13 includes a first connecting channel 131 and a second connecting channel 132. The liquid inlet pipe 11, the second chamber, the second connecting channel 132, the first chamber, the first connecting channel 131 and the liquid outlet pipe 12 together form a guide channel 6, and the guide channel 6 is used for liquid flow.

[0028] The first communication channel 131 is provided at one end of the first cavity, the second communication channel 132 is provided at one end of the second cavity, the liquid outlet pipe 12 is connected to one end of the first cavity, and the liquid inlet pipe 11 is connected to one end of the second cavity. The side surface of the housing 1 is provided with a first through hole 15, a second through hole 16 and a third through hole 17, the first through hole 15 and the second through hole 16 are used for plugging in the temperature sensor 4, the first through hole 15 is connected to the liquid inlet pipe 11, and the second through hole 16 is connected to the liquid outlet pipe 12. The third through hole 17 is connected to the receiving cavity 10. A receiving groove 18 is provided at the third through hole 17. The third through hole 17 is located at the bottom of the receiving groove 18. The receiving groove 18 is provided with a heat conducting sheet 19 and a sealing cover 181. A heat conducting groove 191 extends from the surface of the heat conducting sheet 19 facing the receiving cavity 10. The heat conducting groove 191 passes through the third through hole 17 and the bottom of the groove abuts against the heating component 2 and the partition 3. The heat conducting sheet 19 is used to conduct the heat of the heating component 2. The sealing cover 181 is covered on the receiving groove 18 to seal and close the receiving groove 18.

[0029] For heating element 2 and shelf 3, see Figure 2 and Figure 3The partition 3 includes a first partition 31, a second partition 32 and a third partition 33. The third partition 33 divides the receiving chamber 10 into a first chamber and a second chamber. The third partition 33 is located between the two heating components 2. The two heating components 2 are respectively arranged in the first chamber and the second chamber. The first partition 31 is arranged in the first chamber. The surface of the first partition 31 facing the heating component 2 is provided with a plurality of first flow grooves and a plurality of first connecting flow grooves. The inner surfaces of the plurality of first flow grooves and the plurality of first connecting flow grooves are arc surfaces. The plurality of first flow grooves extend along the length direction of the heating component 2. The plurality of first connecting flow grooves extend along the length direction of the heating component 2. Extending in the width direction, a first connecting flow groove is respectively connected with the two first flow grooves, so that several first flow grooves are connected in sequence to form an upper flow groove, the heating component 2 covers the notch of the upper flow groove, several first flow grooves form several first flow channels, several first connecting flow grooves form several first connecting flow channels, one first connecting flow channel is respectively connected with the two first flow channels, so that several first flow channels are connected in sequence to form an arc-shaped first upper flow channel 611, one end of the first upper flow channel 611 is connected with the liquid outlet pipe 12, and the other end of the first upper flow channel 611 is connected with one end of the first connecting channel 131.

[0030] A partition through hole 330 is provided at one end of the third partition 33, and the partition through hole 330 passes through the surfaces of the third partition 33 facing the first partition 31 and the second partition 32 respectively; a plurality of third flow grooves 331 and a plurality of third connecting flow grooves 332 are provided on the surface of the third partition 33 facing the first partition 31, and the inner surfaces of the plurality of third flow grooves 331 and the plurality of third connecting flow grooves 332 are arc surfaces, and the plurality of third flow grooves 331 extend along the length direction of the heating component 2, and the plurality of third connecting flow grooves 332 extend along the width direction of the heating component 2, and one third connecting flow groove 332 connects two third flow grooves 331 so that the plurality of third flow grooves 331 are connected in sequence to form a first middle flow groove, and the heating component 2 is covered with the surface of the third partition 33 facing the first partition 31 to form an arc-shaped second upper flow channel 612, and the second upper flow channel One end of 612 is connected with the other end of the first connecting channel 131; a plurality of fourth flow grooves and a plurality of fourth connecting flow grooves are provided on the surface of the third partition 33 facing the second partition 32, and the inner surfaces of the plurality of fourth flow grooves and the plurality of fourth connecting flow grooves are arc surfaces, and a plurality of fourth flow grooves extend along the length direction of the heating component 2, and a plurality of fourth connecting flow grooves extend along the width direction of the heating component 2. A fourth connecting flow groove connects two fourth flow grooves so that the plurality of fourth flow grooves are connected in sequence to form a second middle flow groove, and the heating component 2 is covered with a fourth partition 3 on the surface facing the second partition 32 to form an arc-shaped first lower flow channel 621, one end of the first lower flow channel 621 is connected with one end of the second connecting channel 132, and the other end of the first lower flow channel 621 is connected with the other end of the second upper flow channel 612 through the partition through hole 330.

[0031] The second partition 32 is arranged in the second cavity, and a plurality of second flow grooves 321 and a plurality of second connecting flow grooves 322 are arranged on the surface of the second partition 32 facing the heating component 2. The inner surfaces of the plurality of second flow grooves 321 and the plurality of second connecting flow grooves 322 are arc surfaces. The plurality of second flow grooves 321 extend along the length direction of the heating component 2, and the plurality of second connecting flow grooves 322 extend along the width direction of the heating component 2. One second connecting flow groove 322 is respectively connected with two second flow grooves 321, so that the plurality of second flow grooves 321 are connected in sequence to form an upper flow groove. The heating component 2 covers the notch of the upper flow groove, and the plurality of second flow grooves 321 form a plurality of second flow channels, and the plurality of second connecting flow grooves 322 form a plurality of second connecting flow channels. One second connecting flow channel is respectively connected with two second flow channels, so that the plurality of second flow channels are connected in sequence to form an arc-shaped second lower flow channel 622. One end of the second lower flow channel 622 is connected with the liquid inlet pipe 11, and the other end of the second lower flow channel 622 is connected with the other end of the second connecting channel 132.

[0032] See also Figures 2 to 4 The first upper flow channel 611, the first connecting channel 131 and the second upper flow channel 612 form the upper flow channel 61, the first lower flow channel 621, the second connecting channel 132 and the second lower flow channel 622 form the lower flow channel 62, the liquid inlet pipe 11, the lower flow channel 62, the partition through hole 330, the upper flow channel 61 and the liquid outlet pipe 12 are sequentially connected to form the guide channel 6. The upper flow channel 61 and the lower flow channel 62 are arranged in a coiled manner, which is conducive to sufficient heating of the liquid; the upper flow channel 61 and the lower flow channel 62 are arc-shaped flow channels, so that the liquid flows smoothly.

[0033] The surface of the heating component 2 facing the first baffle 31 is the first surface, and the surface of the heating component 2 facing the second baffle 32 is the second surface. The first surface is used to heat the liquid passing through the upper flow channel 61 or the second middle flow channel, and the second surface is used to heat the liquid passing through the lower flow channel 62 or the first middle flow channel. One end of the heating component 2 is connected to the wire 21, and the wire 21 passes through the enclosing cover 14 to connect to the outside.

[0034] It can be understood that in some embodiments, the number of the heating assembly 2 and the connecting channel 13 is only one, and the partition 3 includes a first partition 31 and a second partition 32. The heating assembly 2 divides the receiving chamber 10 into a first chamber and a second chamber, and an upper flow channel 61 is formed between the first partition 31 and the first surface of the heating assembly 2 facing the first partition 31, one end of the upper flow channel 61 is connected to the liquid outlet pipe 12, and the other end of the upper flow channel 61 is connected to one end of the connecting channel 13, and a lower flow channel 62 is formed between the second partition 32 and the second surface of the heating assembly 2 facing the second partition 32, one end of the lower flow channel 62 is connected to the liquid inlet pipe 11, and the other end of the lower flow channel 62 is connected to the other end of the connecting channel 13. The liquid inlet pipe 11, the lower flow channel 62, the connecting channel 13, the upper flow channel 61 and the liquid outlet pipe 12 together form a guide channel 6.

[0035] It can be understood that, in some embodiments, the number of heating components 2 can be three or more, the number of connecting channels 13 is correspondingly three or more, and a third partition plate 33 is provided between every two heating components 2.

[0036] It is understandable that the structure of the partition 3 and the heating component 2 is not limited to the above, and can also be other structures. For example, the partition 3 is strip-shaped, and a plurality of strip-shaped partitions 3 are arranged on the surface of the heating component 2. The plurality of strip-shaped partitions 3 are connected to each other to form a tortuous flow channel.

[0037] It should be noted that the heating component 2 is a heating device with no electricity on the surface, such as a ceramic heater, a graphene heater, etc.

[0038] For grounding assembly 5, see Figure 2 The grounding assembly 5 includes a grounding plate 51, one end of which is grounded. A conductive sheet 52 extends from the surface of the grounding plate 51 facing the housing 1. The conductive sheet 52 is inserted into the liquid inlet pipe 11 and the liquid outlet pipe 12 respectively. The conductive sheet 52 is used to conduct the current to the ground when the liquid in the liquid inlet pipe 11 and the liquid outlet pipe 12 is abnormally charged. A connecting sheet 53 extends from one side edge of the grounding plate 51. The connecting sheet 53 is in contact with the first temperature sensor 41 and the second temperature sensor 42. The connecting sheet 53 is used to conduct the current to the ground when the surface of the first temperature sensor 41 and the second temperature sensor 42 is charged. A fourth sealing ring 74 is provided between the grounding plate 51 and the housing 1. The fourth sealing ring 74 is sleeved on the conductive sheet 52. The fourth sealing ring 74 is used to seal the gap between the grounding plate 51 and the housing 1.

[0039] It should be noted that the ground plate 51 , the conductive sheet 52 , and the connecting sheet 53 are all made of corrosion-resistant conductive materials.

[0040] For temperature sensor 4, see Figure 5 and Figure 6The temperature sensor 4 includes a first temperature sensor 41, a second temperature sensor 42 and a third temperature sensor 43. The probe of the first temperature sensor 41 is inserted into the liquid inlet pipe 11 from the first through hole 15, and the first temperature sensor 41 is used to detect the temperature of the liquid in the liquid inlet pipe 11; the probe of the second temperature sensor 42 is inserted into the liquid outlet pipe 12 from the second through hole 16, and the second temperature sensor 42 is used to detect the temperature of the liquid in the liquid outlet pipe 12; the third temperature sensor 43 passes through the sealing cover 181 and is inserted into the heat conducting groove 191, and the third temperature sensor 43 is used to detect the temperature in the receiving chamber 10.

[0041] Among them, the heating device 100 also includes a first sealing ring 71, a second sealing ring 72 and a third sealing ring 73; the first sealing ring 71 is sleeved on the first temperature sensor 41, and the first sealing ring 71 seals the gap between the first temperature sensor 41 and the wall of the first through hole 15; the second sealing ring 72 is sleeved on the second temperature sensor 42, and the second sealing ring 72 seals the gap between the second temperature sensor 42 and the wall of the second through hole 16; the third sealing ring 73 is sleeved on the heat conduction groove 191, and the third sealing ring 73 seals the gap between the heat conduction groove 191 and the wall of the bottom of the receiving groove 18.

[0042] It is understandable that, in some embodiments, the temperature sensor 4 is not limited to the above, and more temperature sensors 4 may be included and plugged into other parts of the housing 1 to measure the temperature precisely.

[0043] It should be noted that the first sealing ring 71 , the second sealing ring 72 , the third sealing ring 73 and the fourth sealing ring 74 are all made of high temperature resistant flexible materials.

[0044] In the embodiment of the utility model, the heating device 100 includes a shell 1, a heating component 2 and a partition 3. The shell 1 is provided with a liquid inlet pipe 11, a liquid outlet pipe 12, a connecting channel 13 and an enclosure cover 14. A receiving chamber 10 is formed inside the shell 1, and the receiving chamber 10 includes a first chamber and a second chamber. The heating component 2 and the partition 3 are received in the receiving chamber 10. The partition 3 is distributed on both side surfaces of the heating component 2 along the thickness direction of the heating component 2, and an upper flow channel 61 and a lower flow channel 62 are enclosed on both sides of the heating component 2. The upper flow channel 61 is located in the first chamber, and the lower flow channel 62 is located in the second chamber. The heating component 2 is used to heat the liquid flowing through the two side surfaces.

[0045] The utility model also provides a bathroom equipment embodiment, the bathroom equipment includes the above-mentioned heating device 100, the structure and function of the heating device 100 can be referred to the above-mentioned embodiment, and will not be described one by one here.

[0046] In some embodiments, the bathroom equipment also includes a control module, which is electrically connected to the heating component 2 and the temperature sensor 4. When liquid flows in from the liquid inlet pipe 11, the first temperature sensor 41 is triggered first, and the first temperature sensor 41 transmits the temperature information to the control module; the liquid then passes through the upper flow channel 61 and the lower flow channel 62, and the liquid passes around the surface of the heating component. The liquid is fully heated by the heating component, and the third temperature sensor 43 is triggered, and the temperature information of the third temperature sensor 43 is transmitted to the control module; the liquid then flows out from the liquid outlet pipe 12, and the second temperature sensor 42 is triggered, and the second temperature sensor 42 transmits the temperature information to the control module. The control module compares the temperature information of the first temperature sensor 41, the third temperature sensor 43, and the second temperature sensor 42, and timely controls the operation of the heating component 2 to achieve precise temperature control.

[0047] 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 outer shell is provided with a receiving cavity, a communication channel, a liquid inlet pipe and a liquid outlet pipe; A heating component is arranged in the receiving chamber, and the heating component divides the receiving chamber into a first chamber and a second chamber, the first chamber is provided with an upper flow channel, and the second chamber is provided with a lower flow channel, the upper flow channel and the lower flow channel are distributed in a coiled manner along the surface of the heating component, one end of the upper flow channel is connected to one end of the connecting channel, and the other end of the connecting channel is connected to one end of the lower flow channel, the liquid outlet pipe is connected to the other end of the upper flow channel, and the liquid inlet pipe is connected to the other end of the lower flow channel, the liquid inlet pipe, the lower flow channel, the connecting channel, the upper flow channel and the liquid outlet pipe together form a guide channel, and the guide channel is used for liquid flow, the first surface of the heating component facing the upper flow channel is used to heat the liquid passing through the upper flow channel, and the second surface of the heating component facing the lower flow channel is used to heat the liquid passing through the lower flow channel.

2. The heating device according to claim 1, characterized in that The heating device further includes a first partition, which is disposed in the first chamber. The first partition and the heating assembly together divide the first chamber into a plurality of first flow channels and a plurality of first connecting flow channels. The plurality of first flow channels extend along the length direction of the heating assembly, and the plurality of first connecting flow channels extend along the width direction of the heating assembly. One first connecting flow channel is respectively connected to two of the first flow channels, so that the plurality of first flow channels are sequentially connected to form the upper flow channel. The first surface of the heating assembly facing the first partition is used to heat the liquid passing through the upper flow channel.

3. The heating device according to claim 2, characterized in that A surface of the first partition facing the heating component is provided with a plurality of first flow grooves and a plurality of first connecting flow grooves, the inner surfaces of the plurality of first flow grooves and the plurality of first connecting flow grooves are both arc surfaces, the plurality of first flow grooves extend along the length direction of the heating component, and the plurality of first connecting flow grooves extend along the width direction of the heating component, and one first connecting flow groove is respectively connected with two of the first flow grooves, so that the plurality of first flow grooves are sequentially connected to form an upper flow groove; The heating component covers the notch of the upper flow trough, and closes the notch of the upper flow trough to form the upper flow channel.

4. The heating device according to claim 1, characterized in that The heating device further includes a second partition, which is disposed in the second chamber. The second partition and the heating assembly together divide the second chamber into a plurality of second flow channels and a plurality of second connecting flow channels. The plurality of second flow channels extend along the length direction of the heating assembly, and the plurality of second connecting flow channels extend along the width direction of the heating assembly. One second connecting flow channel is respectively connected to two second flow channels, so that the plurality of second flow channels are sequentially connected to form the lower flow channel. The second surface of the heating component facing the second partition is used to heat the liquid passing through the lower flow channel.

5. The heating device according to claim 4, characterized in that A plurality of second flow grooves and a plurality of second connecting flow grooves are provided on the surface of the second partition plate facing the heating component. The inner surfaces of the plurality of second flow grooves and the plurality of second connecting flow grooves are both arc surfaces. The plurality of second flow grooves extend along the length direction of the heating component, and the plurality of second connecting flow grooves extend along the width direction of the heating component. One second connecting flow groove is respectively connected with two second flow grooves, so that the plurality of second flow grooves are sequentially connected to form a lower flow groove. The heating component covers the notch of the lower flow trough, closing the notch of the lower flow trough to form the lower flow channel.

6. The heating device according to any one of claims 1 to 5, characterized in that: The housing is provided with a first through hole, and the first through hole is connected to the liquid inlet pipe; The heating device also includes a first temperature sensor, a probe of which is inserted into the liquid inlet pipe from the first through hole.

7. The heating device according to claim 6, characterized in that The housing is provided with a second through hole, and the second through hole is connected to the liquid outlet pipe; The heating device also includes a second temperature sensor, and a probe of the second temperature sensor is inserted into the liquid outlet pipe through the second through hole.

8. The heating device according to claim 7, characterized in that The heating device further includes a grounding component, which is disposed on the housing and partially inserted into the flow guide channel. The grounding component is connected to the first temperature sensor and the second temperature sensor.

9. The heating device according to claim 6, characterized in that The shell is provided with a third through hole, and the third through hole is communicated with the receiving cavity; The heating device also includes a third temperature sensor and a heat conducting sheet. The heat conducting sheet is arranged on the shell and closes the third through hole. The heat conducting sheet is in contact with the heating component. A heat conducting groove is provided on the surface of the heat conducting sheet facing the receiving cavity, and the third temperature sensor is arranged in the heat conducting groove.

10. A bathroom equipment, characterized in that: The heating device comprises the heating device according to any one of claims 1 to 9.

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