CN217109999U - Fluid heating assembly and bathing equipment with same - Google Patents

Abstract

The application relates to a fluid heating assembly and bathing equipment with the same, wherein the fluid heating assembly comprises: the shell structure comprises a fluid channel and an accommodating space, the fluid channel and the accommodating space are provided with shared shells at intervals, and the shared shells are of an integrally formed structure; the electric heating structure is arranged in the accommodating space. The technical scheme of this application has solved effectively among the prior art problem that the leakage phenomenon is produced because of the ageing weeping of sealing member in the PTC heater use.

Description

Fluid heating assembly and bathing equipment with same

Technical Field

The application relates to the technical field of fluid heating, in particular to a fluid heating assembly and bathing equipment with the same.

Background

In the prior art, when the fluid is used, the fluid needs to be heated, and a heating device is needed for heating the fluid. Fluid heating has various forms, wherein, the heating by using a PTC (Positive Temperature Coefficient thermistor) heater is one of the fluid heating modes, the PTC heater consists of a PTC ceramic heating element and an aluminum pipe, and the PTC heater has the advantages of small thermal resistance, high heat exchange efficiency and long service life, and is applied to most products with the function of heating fluid.

In the related art PTC heating device, a PTC heating element and an aluminum pipe are placed in a case, and then the case in which the PTC heating element is placed in a fluid to heat the fluid. The both ends of placing the casing of PTC heat-generating body are mostly open port, and when the casing that will place the PTC heater was placed in the fluid, the both ends of casing were sealed with the sealing member cooperation, and generally speaking, the sealing member adopts the rubber material to make more, and the sealing member is in high temperature environment work for a long time and ages easily, and the ageing of sealing member can lead to the fluid to reveal through the casing of placing the PTC heat-generating body, and the infiltration has in the casing of PTC heater to lead to PTC device electric leakage that generates heat.

SUMMERY OF THE UTILITY MODEL

The application provides a fluid heating component and have its bathing equipment to solve among the prior art PTC heater use problem that the weeping produces the electric leakage phenomenon because of the ageing of sealing member.

In order to solve the above problem, in a first aspect, the present application provides a fluid heating assembly comprising: the shell structure comprises a fluid channel and an accommodating space, the fluid channel and the accommodating space are provided with shared shells at intervals, and the shared shells are of an integrally formed structure; the electric heating structure is arranged in the accommodating space.

Further, the inlet of the fluid channel and the outlet of the fluid channel are both arranged at the first end of the shell structure, and the mounting opening of the accommodating space is arranged on the side wall of the shell structure.

Further, the fluid passage includes a first fluid passage, a connecting passage and a second fluid passage which are communicated in sequence, the accommodating space is located between the first fluid passage and the second fluid passage, and the connecting passage is located between the accommodating space and the second end of the housing structure.

Further, the housing structure includes: the shell comprises a shell body and a sealing head, wherein the sealing head is connected to the first end of the shell body, and the inlet of the fluid channel and the outlet of the fluid channel are arranged at the first end of the shell body.

Further, the housing structure further comprises a housing cover connected to the second end of the housing body.

Further, the electric heating structure includes a PTC heater disposed in the accommodating space.

Further, the electric heating structure further comprises a protective layer, and the protective layer is arranged between the PTC heating body and the shell structure.

Further, the protective layer is made of a metal material.

Further, the cross section of the accommodating space cut along the axis of the vertical shell structure is trapezoidal, the width of the mounting opening of the accommodating space is gradually reduced to the width of the inside of the accommodating space, and the electric heating structure is matched with the accommodating space.

In a second aspect, the application also provides a bath apparatus comprising a bath apparatus body and a fluid heating assembly arranged on the bath apparatus body, wherein the fluid heating assembly is the fluid heating assembly.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

according to the technical scheme, the fluid heating assembly shell structure comprises a fluid channel and an accommodating space, the fluid channel and the accommodating space are provided with a shell which is shared at a distance from the ground, the shared shell is of an integrally formed structure, the electric heating structure is installed in the accommodating space, when the fluid heating assembly works, the fluid passes through the fluid channel, the electric heating structure works to exchange heat with the fluid through the shell main body, the fluid only passes through the fluid channel and is not in contact with the electric heating structure in the accommodating space, the fluid channel and the accommodating space are prevented from being sealed by adopting a sealing piece, and the electric leakage of the electric heating structure caused by the fact that the fluid leaks due to the fact that the sealing piece is easy to age is prevented. The technical scheme of this application has solved the problem of the electric leakage that leads to because the ageing of sealing member among the prior art effectively.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 illustrates a schematic front view of a fluid heating assembly provided by an embodiment of the present application;

FIG. 2 shows a rear schematic view of the fluid heating assembly of FIG. 1;

FIG. 3 shows a schematic bottom view of the fluid heating assembly of FIG. 1;

FIG. 4 shows a schematic cross-sectional view of the fluid heating assembly of FIG. 1;

FIG. 5 shows a schematic left side view of the fluid heating assembly of FIG. 1;

FIG. 6 shows a schematic right view of the fluid heating assembly of FIG. 1;

FIG. 7 shows an exploded schematic view of the fluid heating assembly of FIG. 1;

FIG. 8 illustrates a perspective view of the housing body of the fluid heating assembly of FIG. 1;

FIG. 9 shows a schematic perspective view of another angle of the housing body of FIG. 8;

FIG. 10 shows a schematic cross-sectional view of the housing body of FIG. 9;

FIG. 11 shows a schematic front view of an electrical heating arrangement of the fluid heating assembly of FIG. 1;

fig. 12 shows a schematic cross-sectional view of the electrical heating structure of fig. 11.

Wherein the figures include the following reference numerals:

10. a housing structure; 11. a fluid channel; 111. a first fluid channel; 112. a connecting channel; 113. a second fluid passage; 12. an accommodating space; 13. a housing main body; 14. sealing the end; 15. a housing cover; 16. a first gasket; 17. a second gasket; 20. an electrical heating structure; 21. a PTC heating element; 22. and a protective layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1 to 10, a fluid heating assembly of the present embodiment includes a housing structure 10 and an electric heating structure 20. The housing structure 10 includes a fluid passage 11 and a receiving space 12, and the fluid passage 11 and the receiving space 12 have a housing shared separately, and the shared housing is an integrally formed structure. The electric heating structure 20 is disposed in the accommodating space 12.

In the technical solution of this embodiment, the fluid heating assembly housing structure 10 includes a fluid passage 11 and an accommodating space 12, the fluid passage 11 and the accommodating space 12 have a housing shared at a distance, the shared housing is an integrally formed structure, the electric heating structure 20 is installed in the accommodating space 12, when the fluid heating assembly works, the fluid passes through the fluid passage 11, the electric heating structure 20 works to exchange heat with the fluid through the housing main body 13, and the fluid only passes through the fluid passage 11 and does not contact with the electric heating structure 20 in the accommodating space 12, so as to avoid the fluid passage 11 and the accommodating space 12 being sealed by a sealing member, and prevent the electric leakage of the electric heating structure 20 caused by the fluid leakage due to the easy aging of the sealing member. The technical scheme of this application has solved the problem of the electric leakage that leads to because the ageing of sealing member among the prior art effectively.

As shown in fig. 8 to 10, in the solution of the present embodiment, the inlet of the fluid channel 11 and the outlet of the fluid channel 11 are both disposed at the first end of the housing structure 10, and the mounting opening of the accommodating space 12 is disposed at the side wall of the housing structure 10. In the technical scheme of this embodiment, the housing structure 10 sets the fluid channel inlet and the fluid channel outlet of the fluid channel 11 at the same end, so that the design of the pipeline can be reduced in the using process, the pipeline installation is simplified, the accommodating space 12 is arranged on the side wall of the housing structure 10 and completely isolated from the fluid channel 11, the accommodating space 12 is isolated from the fluid channel 11, and the housing structure 10 is used to separate the fluid from the electric heating structure 20, so as to avoid the problem that in the prior art, the seal is aged for a long time under a high temperature environment to generate a part with untight seal, and the fluid enters the PTC heating body 21 in the electric heating structure 20 through the aged part of the seal, so as to cause the occurrence of the electric leakage phenomenon. Certainly, the fluid channel 11 of this embodiment is an inlet and an outlet, and may also be a serpentine structure of an inlet and an outlet branch fluid channel and a plurality of intermediate connecting channels 112, and an electric heating structure 20 is disposed between two adjacent branch fluid channels, so that the heat exchange efficiency can be improved.

As shown in fig. 8 to 10, in the solution of the present embodiment, the fluid passage 11 and the accommodating space 12 have a specific structure of a shell shared separately, the basic structure is a cylindrical shell, both ends of the cylindrical shell are open, the fluid passage 11 and the accommodating space 12 are provided, the accommodating space 12 is located on the outer wall of the shell, the accommodating space 12 is recessed from the outer wall of the shell to the inside, the width of the accommodating space 12 gradually decreases from the mounting opening of the accommodating space 12 to the inside of the accommodating space 12, the accommodating space 12 completely separates the inner space of the cylindrical shell from the first opening to the connecting passage 112 to form two fluid passages, i.e., a first fluid passage 111 and a second fluid passage 113, the inner wall of the accommodating space 12 is the outer wall portion of the cylindrical shell, and the outer wall of the accommodating space 12 is the inner wall of the cylindrical shell. The advantage of design like this, accommodation space 12 and fluid passage 11's inside is separated completely, and during the during operation fluid can not ooze into accommodation space 12 from fluid passage 11, and accommodation space 12 only designs a installing port, and the remaining comprises the casing outer wall, can be better with the fluid in heat transfer for fluid passage 11 that PTC heat-generating body 21 produced, and accommodation space 12 need not design the sealing member at both ends, has reduced spare part quantity and assembly degree of difficulty, has reduced assembly cost.

As shown in fig. 4 and 10, in the solution of the present embodiment, the fluid channel 11 includes a first fluid channel 111, a connecting channel 112 and a second fluid channel 113 which are communicated in sequence, the accommodating space 12 is located between the first fluid channel 111 and the second fluid channel 113, and the connecting channel 112 is located between the accommodating space 12 and the second end of the housing structure 10.

As shown in fig. 4, in the solution of the present embodiment, when the fluid heating assembly is in operation, the electric heating structure 20 in the accommodating space 12 starts to operate and generate heat, the electric heating structure 20 is in contact with the inner wall of the accommodating space 12 for heat exchange, the accommodating space 12 is located in a common housing separated from each other, and the received heat is transferred to the first fluid channel 111 and the second fluid channel 113 through the common housing. The fluid passes through the first fluid channel 111, the connecting channel 112 and the second fluid channel 113 in the fluid channel 11, the fluid exchanges heat with the electric heating structure 20 when passing through the first fluid channel 111, the flowing direction is changed through the connecting channel 112, and the fluid exchanges heat with the electric heating structure 20 again in the second fluid channel 113, and the first fluid channel 111 and the second fluid channel 113 in the fluid channel 11 increase the heat exchange area between the fluid and the electric heating structure 20, improve the utilization efficiency of energy, and are beneficial to reducing the energy consumption of products.

As shown in fig. 1 to 7, in the technical solution of this embodiment, the housing structure 10 includes a housing body 13 and a head 14, the head 14 is connected to a first end of the housing body 13, a first gasket 16 is disposed between the head 14 and the fluid body, an inlet of the fluid channel 11 and an outlet of the fluid channel 11 are respectively disposed on opposite sides of the head 14, the housing body 13 has a fluid inlet and a fluid outlet, both the fluid inlet and the fluid outlet are communicated with the fluid channel 11, the head 14 has a head fluid inlet and a head fluid outlet, the fluid inlet of the housing body 13 is communicated with the head fluid inlet, and the fluid outlet is communicated with the head fluid outlet.

In the technical scheme of the embodiment, the end socket 14 is connected with the shell body 13, the first sealing gasket 16 is installed between the shell body 13 and the end socket 14, and the first sealing gasket 16 plays an elastic sealing role between the shell body 13 and the end socket 14 to prevent fluid from seeping out from between the shell body 13 and the end socket 14. The end socket 14 includes an end socket fluid inlet and an end socket fluid outlet, when fluid passes through the fluid heating assembly, the fluid enters from the end socket fluid inlet, flows into the fluid inlet and enters the first fluid channel 111, exchanges heat with the electric heating structure 20 in the first fluid channel 111, flows into the second fluid channel 113 through the connecting channel 112, exchanges heat with the electric heating structure 20 again in the second fluid channel 113, enters the end socket fluid outlet through the fluid outlet, and flows out of the fluid heating assembly, thereby completing the working process. In the technical scheme of this embodiment, the flow direction of fluid can be changed to head fluid inlet and the interior passageway of head fluid outlet of head 14, head fluid inlet and head fluid outlet are located same axis, can reduce the design of other pipeline that mutually support in the use, reduce its complex spare part, and be provided with the seal ring groove on head fluid inlet and the head fluid outlet of head 14, can cooperate corresponding seal ring and be connected with other pipelines, reduce the design of the sealing member that cooperates, reduce the assembly degree of difficulty and assembly cost.

In the technical scheme of this embodiment, head 14 is the plastic part, head 14 and casing main part 13 adopt the bolt-up mode to fasten, wherein be provided with the through-hole of 5 corresponding positions on first sealed pad 16 and the head 14, the through-hole can correspond with 5 screw holes that set up on the casing main part 13, align head 14, first sealed pad 16 and the corresponding hole site of casing main part 13 each other during the installation, put into the screw hole of 5 corresponding positions with the bolt again, screw up the bolt, make head 14, first sealed pad 16 and casing main part 13 combine closely, in order to prevent that shell structure 10 first end from leaking.

As shown in fig. 6, in the technical solution of the present embodiment, the housing structure 10 further includes a housing cover 15, the housing cover 15 is connected to the second end of the housing main body 13, and a second gasket 17 is disposed between the housing cover 15 and the housing main body 13.

In the solution of the present embodiment, a second gasket 17 is provided between the housing main body 13 and the housing cover 15, and the second gasket 17 functions as an elastic seal between the housing main body 13 and the housing cover 15, and prevents fluid from leaking out between the housing main body 13 and the housing cover 15. In the technical scheme of this embodiment, the housing cover 15 and the housing body 13 are fastened by bolts, wherein the second gasket 17 and the housing cover 15 are provided with 6 through holes corresponding to the positions of the through holes, which can correspond to 6 threaded holes provided in the housing body 13, the housing cover 15, the second gasket 17 and the housing body 13 are aligned with each other corresponding to the hole positions during installation, the bolts are then placed into the 6 threaded holes corresponding to the positions of the through holes, and the bolts are tightened to tightly combine the housing cover 15, the second gasket 17 and the housing body 13, thereby preventing the second end of the housing structure 10 from leaking water.

In the solution of this embodiment (not shown in the figures), the housing body 13 is made of cast aluminum, and the surface thereof is electrophoresed or oxidized to prevent scale. The case body 13 of the present embodiment may be made of other metal materials, and the case body 13 may be made of a good conductor of heat such as silver, copper, and alloy materials, which is advantageous for transferring the heat generated by the PTC heating element 21. The metal material has good heat conductivity, is beneficial to transferring heat and improves the heat transfer efficiency.

As shown in fig. 11 and 12, in the present embodiment, the electric heating structure 20 includes the PTC heat-generating body 21, and the PTC heat-generating body 21 is disposed in the accommodating space 12.

In the technical scheme of the embodiment, the electric heating structure 20 adopts the PTC heating body 21 as a heat source, the PTC is a positive temperature coefficient thermistor, the PTC heating device has the advantages of small heat resistance, high heat exchange efficiency and long service life, and the PTC heating device has the characteristics of automatic constant temperature and electricity saving, and is characterized by safety performance, and the phenomenon of 'red' on the surface of an electric heating tube heater can not be generated under any application condition, so that potential safety hazards such as scalding, fire and the like are caused. In this embodiment, the electric heating structure 20 is disposed in the accommodating space 12, the accommodating space 12 is completely separated from the inside of the fluid channel 11, fluid does not seep into the accommodating space 12 from the fluid channel 11 during operation, only one mounting opening is designed in the accommodating space 12, and the rest of the accommodating space is formed by the outer wall of the housing, so that heat generated by the electric heating structure 20 can be better transferred to the fluid in the fluid channel 11, the first fluid channel 111 and the second fluid channel 113 in the fluid channel 11 are located on two sides of the accommodating space 12, and the fluid and the electric heating structure 20 can exchange heat twice, thereby improving the utilization efficiency of energy.

As shown in fig. 11 and 12, in the present embodiment, the electric heating structure 20 further includes a protective layer 22, and the protective layer 22 is disposed between the PTC heating elements 21 and the accommodating space 12.

In the technical solution of the present embodiment, the PTC heating element 21 is installed in the protection layer 22, the protection layer 22 installed with the PTC heating element 21 is installed in the accommodating space 12 and contacts with the housing main body 13, during operation, the PTC heating element 21 converts electric energy into heat energy, the heat generated by the PTC heating element 21 is transferred to the protection layer 22, the protection layer 22 transfers the heat energy to the inner wall of the accommodating space 12, and the accommodating space 12 exchanges heat with the fluid. The protective layer 22 is made of a metal material, and a good heat conductor such as aluminum, copper, or an aluminum alloy can be used, which is advantageous for transferring heat and improving heat transfer efficiency.

As shown in fig. 11 and 12, in the solution of the present embodiment, the cross section of the accommodating space 12 cut along the axis of the vertical casing structure 10 is trapezoidal, the width of the mounting opening of the accommodating space 12 gradually decreases to the width of the inside of the accommodating space 12, and the electric heating structure 20 is adapted to the accommodating space 12.

In the technical solution of the present embodiment, the cross section of the protective layer 22 cut along the axis of the vertical case structure 10 is trapezoidal, and the protective layer 22 with the PTC heating elements 21 mounted thereon is mounted into the accommodating space 12 by pressing. The electric heating structure 20 is arranged in the accommodating space 12 in an extrusion mode, the fluid heating assembly plays a role of a heat source in a product, is not a power element or a transmission mechanism, and can meet the use condition through the installation in the extrusion mode.

The present application also provides a bath apparatus comprising a bath apparatus body and a fluid heating assembly disposed thereon, the fluid heating assembly comprising a housing structure 10 and an electrical heating structure 20. The bathing equipment can obtain stable heating temperature when heating fluid, does not generate electric leakage phenomenon, has no radiation and pollution when using the PTC heating body 21, does not cause damage to human body by electromagnetic radiation, has high electrothermal conversion rate, does not convert in an excessive energy mode, can fully convert electric energy into heat energy, has the characteristic of energy conservation, and has longer service life of the PTC heating body 21. The bathing equipment can effectively prevent the heater from water seepage by adopting the fluid heating component.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A fluid heating assembly, comprising:

the shell structure (10), the shell structure (10) comprises a fluid channel (11) and a containing space (12), the fluid channel (11) and the containing space (12) are provided with a shared shell at intervals, and the shared shell is an integrally molded structure;

an electric heating structure (20), the electric heating structure (20) being arranged within the accommodation space (12).

2. A fluid heating assembly according to claim 1, wherein the inlet of the fluid channel (11) and the outlet of the fluid channel (11) are both arranged at a first end of the housing structure (10), and the mounting opening of the receiving space (12) is arranged at a side wall of the housing structure (10).

3. A fluid heating assembly according to claim 2, wherein the fluid passage (11) comprises a first fluid passage (111), a connecting passage (112) and a second fluid passage (113) communicating in sequence, the receiving space (12) being located between the first fluid passage (111) and the second fluid passage (113), the connecting passage (112) being located between the receiving space (12) and the second end of the housing structure (10).

4. A fluid heating assembly according to claim 3, wherein the housing structure (10) comprises: the shell comprises a shell body (13) and a sealing head (14), wherein the sealing head (14) is connected to the first end of the shell body (13), and the inlet of the fluid channel (11) and the outlet of the fluid channel (11) are respectively arranged on two opposite sides of the sealing head (14).

5. A fluid heating assembly according to claim 4, wherein the housing structure (10) further comprises a housing cover (15), the housing cover (15) being connected to the second end of the housing body (13).

6. The fluid heating assembly according to any one of claims 1 to 5, wherein the electric heating structure (20) comprises a PTC heater (21), the PTC heater (21) being disposed within the receiving space (12).

7. The fluid heating assembly according to claim 6, wherein the electric heating structure (20) further comprises a protective layer (22), the protective layer (22) being disposed between the PTC heater (21) and the case structure (10).

8. A fluid heating assembly according to claim 7, wherein the protective layer (22) is made of a metallic material.

9. A fluid heating assembly according to claim 1, wherein the cross-section of the receiving space cut perpendicular to the axis of the housing structure (10) is trapezoidal, the width of the mounting opening of the receiving space (12) gradually decreases to the width of the interior of the receiving space (12), and the electric heating structure (20) is adapted to the receiving space (12).

10. An ablutionary installation comprising an ablutionary installation body and a fluid heating assembly provided on the ablutionary installation, the fluid heating assembly being as claimed in any one of claims 1 to 9.

Images