CN215022219U - Heating element and electron moxibustion device - Google Patents

Abstract

The utility model discloses a heating element and electron moxa-moxibustion equipment, wherein, heating element includes: the heating element comprises a copper foil; the copper foil is welded with the lead to form a welding point; the elastic piece covers the heating piece; the elastic piece has the breach of stepping down to the elastic piece will under the condition that the welding point covers, the wire is followed the breach of stepping down is drawn forth. The utility model discloses technical scheme aims at solving among the prior art technical problem that the copper foil easily drops from the piece that generates heat.

Description

Heating element and electron moxibustion device

Technical Field

The utility model relates to a heating installation technical field, in particular to heating element and electron moxa-moxibustion equipment.

Background

In the prior art, the external input points of the heating sheet are 2 or more access points, and input leads are soldered on exposed circular copper foils on the heating sheet by tin.

However, since the lead is easily dragged, the copper foil of the solder joint is easily detached from the heat generating sheet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heating element and electron moxa-moxibustion equipment aims at solving among the prior art technical problem that the copper foil easily drops from the heating plate.

In order to achieve the above object, the utility model provides a heating element, heating element includes:

the conducting wire is arranged on the base plate,

the heating part comprises a copper foil; the copper foil is welded with the lead to form a welding point;

the elastic piece covers the heating piece; the elastic piece has the breach of stepping down to the elastic piece will under the condition that the welding point covers, the wire is followed the breach of stepping down is drawn forth.

Optionally, the heat generating member includes a base material, and the copper foil is disposed on the base material.

Optionally, the substrate is a polyimide film.

Optionally, the elastic member is attached to the substrate.

Optionally, the number of the copper foils is at least two, and the number of the abdicating notches is consistent with that of the copper foils.

Optionally, the elastic member extends beyond the edge of the substrate.

Optionally, the heating element includes a heating surface, and the heating surface is an opposite surface of the heating element to which the elastic element is attached.

Optionally, the elastic member is an ethylene-vinyl acetate copolymer.

Optionally, the lead wire is soldered to the copper foil.

Optionally, the utility model also provides an electron moxibustion equipment, electron moxibustion equipment includes as before the heating element.

The utility model provides a heating component, which comprises a lead and a heating element, wherein the heating element comprises a copper foil; the copper foil is welded with the lead to form a welding point; the elastic piece covers the heating piece; the elastic piece has the breach of stepping down to the elastic piece will under the condition that the welding point covers, the wire is followed the breach of stepping down is drawn forth. Through covering the elastic component on the piece that generates heat, thereby can the copper foil cover and make the welding point hug closely in the elastic component based on the elastic deformation of elastic component with the welding point of wire, make partial wire (with welding point welded some subsections) hug closely between elastic component and the piece that generates heat based on the elastic component of elastic component, thereby in the assembling process, when the part that the wire exposes is dragged, the welding point can not atress or atress diminishes, the risk that the copper foil drops has been reduced, improve the yields of product, reduce the rework rate, reduce the rejection rate, and then reduce enterprise cost and improve production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of a preferred embodiment of a heat generating component of the present invention;

FIG. 2 is a schematic view of a preferred embodiment of the heat generating member of the present invention;

fig. 3 is a schematic view of a preferred embodiment of the elastic member of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In the prior art, the external input point of the heating element 200 is 2 or more access points, the input lead wire 100 is soldered on the exposed circular copper foil 200a of the heating sheet by tin, the copper foil 200a is attached on the base material of the heating sheet, and the base material is mainly PI film (polyimide film) with good heat resistance and insulation.

However, after the wire 100 is soldered, the wire 100 is easily pulled, and the risk of the copper foil 200a of the solder joint 200b falling off is greatly increased. In the process of assembly line assembly operation, the welding lead 100 is a pre-process for assembling the heating sheet, and then a plurality of subsequent assembly processes are carried out; in the subsequent assembly process, the risk of the copper foil 200a being torn off is easily caused.

Therefore, the utility model provides a heating component; the welding device comprises an elastic piece 300, wherein the welding point 200b and part of the lead 100 are clamped and attached to a heating sheet through the elastic deformation of the elastic piece 300; by the technical scheme, when the exposed part of the lead 100 is pulled, the welding point 200b is not stressed or the stress is reduced, and the risk that the copper foil 200a falls off is reduced.

Specifically, referring to fig. 1, the utility model provides a heating element includes:

the length of the wire 100 is such that,

the heat generating member 200, the heat generating member 200 includes a copper foil 200 a; the copper foil 200a is soldered to the wire 100 to form a solder joint 200 b;

the elastic member 300, the said elastic member 300 covers the said heating element 200; the elastic member 300 has a relief notch 300a, so that the lead 100 is led out from the relief notch 300a when the elastic member 300 covers the solder joint 200 b.

The technical scheme of the utility model is that: through covering the elastic member 300 on the heating member 200, thereby can cover the welding point 200b of copper foil 200a and wire 100 and make the welding point 200b hug closely in the elastic member 300 based on the elastic deformation of elastic member 300, make some wire 100 (with welding point 200b welded some subsection) hug closely between elastic member 300 and heating member 200 based on the elastic member 300 of elastic member 300, thereby in the assembling process, when the part that wire 100 exposes is dragged, welding point 200b can not atress or atress diminishes, the risk that copper foil 200a drops has been reduced, improve the yields of product, reduce the rework rate, reduce the rejection rate, and then reduce enterprise cost and improve production efficiency.

Optionally, the heat generating member 200 includes a base material on which the copper foil 200a is disposed. The substrate is preferably a PI film, i.e., a polyimide film. The PI film has good heat resistance and insulation properties. The copper foil 200a is glued to the base material.

Optionally, the elastic member 300 is attached to the substrate. In the utility model, the shape of the base material can be round, triangular or other shapes; the shape of the elastic member 300 conforms to the substrate, the size of the elastic member 300 is slightly larger than the size of the substrate, and the elastic member 300 can extend beyond the edge of the substrate, i.e.: the orthographic projection of the substrate falls into the elastic member 300, so that the elastic member 300 can effectively and uniformly abut the heat generating member 200 against the heat conductor, for example, as shown in fig. 1. The elastic member 300 and the substrate may be adhered by a double-sided adhesive tape.

Optionally, the number of the copper foils 200a is at least two, and the number of the abdicating notches 300a is the same as that of the copper foils 200 a. In general, the external input point of the heat generating member 200 is 2 or more access points, so that the copper foil 200a may be provided with at least two access points, and the arrangement position is not limited in the present invention. The number of the abdicating notches 300a is the same as that of the copper foil 200a, and the positions of the abdicating notches 300a on the elastic member 300 and the copper foil 200a on the base material should be adapted to each other so as to lead out the corresponding lead 100.

Optionally, the heat generating member 200 includes a heat generating surface, and the heat generating surface is an opposite surface of the heat generating member 200 to which the elastic member 300 is attached. Namely: the elastic member 300 is attached to a surface of the heat generating member 200 facing away from the heat generating surface.

Alternatively, the elastic member 300 is an ethylene-vinyl acetate copolymer (EVA). The EVA material has a good heat insulation function, and can reduce the heat loss of the heating element 200; furthermore, the EVA material has good elasticity, and can press the lead 100 and the solder joint 200b well against and between the substrate.

Optionally, the lead 100 is soldered to the copper foil 200 a. Thus, the welding point 200b is a solder contact 200 b.

The utility model discloses still provide an electron moxibustion equipment, this electron moxibustion equipment include heating element, and this heating element's concrete structure refers to above-mentioned embodiment, because electron moxibustion equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is not repeated here one by one again. The electronic moxibustion device comprises a shell, wherein the shell is provided with a cavity for fixing the heating component, and the heating surface of the heating component is tightly attached to the shell through elastic deformation of the elastic piece 300, so that a user can get warm conveniently.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

1. A heat generating component, comprising:

the conducting wire is arranged on the base plate,

the heating part comprises a copper foil; the copper foil is welded with the lead to form a welding point;

the elastic piece covers the heating piece; the elastic piece has the breach of stepping down to the elastic piece will under the condition that the welding point covers, the wire is followed the breach of stepping down is drawn forth.

2. The heating element of claim 1, wherein the heating element comprises a substrate, and the copper foil is disposed on the substrate.

3. The heating element of claim 2 wherein said substrate is a polyimide film.

4. The heating element of claim 2 wherein said resilient member is bonded to said substrate.

5. The heating element of claim 1, wherein there are at least two copper foils, and the number of the relief notches is the same as the number of the copper foils.

6. The heating element of claim 2 wherein said elastic member extends beyond the edge of said substrate.

7. The heat generating component according to any one of claims 1 to 6, wherein the heat generating member includes a heat generating face,

the heating surface is the opposite surface of the heating member, which is jointed with the elastic member.

8. The heating element as claimed in any one of claims 1 to 6, wherein the elastic member is an ethylene-vinyl acetate copolymer.

9. The heating element of any of claims 1 to 6 wherein said wire is soldered to said copper foil.

10. An electronic moxibustion device characterized by comprising the heat generating component of any one of claims 1 to 9.

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