CN210928003U

CN210928003U - High-sealing electric heating sheet

Info

Publication number: CN210928003U
Application number: CN201921071716.5U
Authority: CN
Inventors: 张云龙
Original assignee: Shanghai Changqing Industrial Co ltd
Current assignee: Shanghai Changqing Industrial Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-07-03
Anticipated expiration: 2029-07-09

Abstract

The utility model provides a high sealed electric heating plate, including fixed connection's first tectorial membrane layer in proper order, first glutinous layer that glues, electrically conductive portion that generates heat, the glutinous layer is glued to the second, second tectorial membrane layer, electrically conductive portion that generates heat is provided with two wiring ends, wiring end electricity is all connected with the wire, wire and wiring end pass through electrically conductive sealing member fixed connection, electrically conductive sealing member sets up between first glutinous layer and the electrically conductive portion that generates heat, the wire circular telegram can make electrically conductive portion that generates heat generate heat, the heat can be scattered from first tectorial membrane layer and second tectorial membrane layer, electrically conductive sealing member is sealed with the contact point of wire and wiring end, reduce the production in space, insulating reinforcement is when playing the sealed effect of enhancement, can increase the fixed stability between wire and the electrically conductive portion that generates heat, promote resistant tensile ability, and.

Description

High-sealing electric heating sheet

Technical Field

The utility model relates to an electrical heating piece technical field, more specifically say, it relates to a high sealed electrical heating piece.

Background

An electric heating sheet is a device which utilizes the heat effect of current to heat. Generally, a conductive portion for heating by energization is provided, and a conductive wire for forming a conductive loop is provided at both ends of the conductive portion.

After the conductive wire is electrically connected and fixed with the conductive part, the conductive part and the cover are pressed and fixed by using an insulating coating film for insulation treatment. However, in general, since the wires are relatively thick, the insulating coating cannot fill the gaps between the wires, and thus, external conductive substances are likely to enter, which may affect the normal use of the electric heating sheet.

SUMMERY OF THE UTILITY MODEL

To the above problem, an object of the utility model is to provide a high sealed electric heating plate, it has the good advantage of leakproofness.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a high-sealing electric heating sheet comprises a first film coating layer, a first adhesive layer, a conductive heating part, a second adhesive layer and a second film coating layer which are fixedly connected in sequence, wherein the conductive heating part is provided with two wiring ends, and the wiring ends are electrically connected with wires;

the lead is fixedly connected with the wiring terminal through a conductive sealing element, and the conductive sealing element is arranged between the first adhesive layer and the conductive heating part.

Through above-mentioned technical scheme, the wire circular telegram can make electrically conductive portion of generating heat generate heat, and the heat can be followed first tectorial membrane layer and second tectorial membrane layer and effluvium, and electrically conductive sealing member is sealed with the contact point of wire and wiring end, reduces the production in space, and insulating reinforcement can increase the wire and electrically conductive fixed stability between the portion of generating heat when playing the sealed effect of enhancement, promotes resistant pull ability, and then promotes its reliability.

The utility model discloses further set up to: the conducting wire comprises a conducting part and an insulating layer sleeved and fixed on the conducting part;

the conductive sealing element comprises a soldering part, and the soldering part is fixedly and electrically connected with the end part of the conductive part extending out of the insulating layer and the wiring terminal.

Through the technical scheme, the soldering part can fully permeate and adhere to the conductive part in a molten state, and the conductive part and the terminal can be stably and fixedly connected after being cooled.

The utility model discloses further set up to: the conductive sealing element comprises a sealing part, the sealing part wraps and fixes the part, extending out of the conductive part, of the insulating layer, the sealing part is close to the soldering part, and one side face, far away from the conductive part, of the sealing part is fixed with the first adhesive layer.

The utility model discloses further set up to: the sealing part is annular, and guiding convex parts are symmetrically arranged on two sides of the sealing part.

Through above-mentioned technical scheme, the protruding piece of guide can increase the leakproofness with the better laminating of first sticky layer.

The utility model discloses further set up to: the first and second coating layers are both polyimide layers.

The utility model discloses further set up to: the conductive heating part is an S-shaped conductive copper strip.

Through above-mentioned technical scheme, can guarantee great heating area, promote heating efficiency.

Compared with the prior art, the beneficial effects of the utility model are that:

the power-on of the conducting wire can enable the conducting heating part to generate heat, heat can be dissipated from the first film covering layer and the second film covering layer, the conducting sealing piece seals the conducting wire with a contact point of a wiring end, the generation of gaps is reduced, the insulating reinforcing piece can increase the stability of fixation between the conducting wire and the conducting heating part when playing a role of reinforcing the sealing effect, the pulling resistance is improved, and the reliability of the conducting wire and the conducting heating part is further improved.

Drawings

Fig. 1 is a partial schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is an axial sectional view of the sealing portion in the embodiment of the present invention.

Reference numerals: 1. a first coating layer; 2. a first adhesive layer; 3. a conductive heating part; 4. a second adhesive layer; 5. a second coating layer; 6. a wire; 61. a conductive portion; 62. an insulating layer; 7. a conductive seal; 71. a soldering portion; 72. a sealing part; 73. a guide projection.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A high-sealing electric heating plate is shown in a combined figure 1 and a figure 2 and comprises a first film coating layer 1, a first adhesive layer 2, a conductive heating part 3, a second adhesive layer 4 and a second film coating layer 5 which are fixedly connected in sequence. The conductive heating part 3 is an S-shaped conductive copper strip, so that a larger heating area can be ensured, and the heating efficiency is improved.

As shown in fig. 1 and 2, the conductive heat generating portion 3 is provided with two terminals, both of the terminals are electrically connected with a conductive wire 6, the conductive wire 6 is fixedly connected with the terminals through a conductive sealing member 7, and the conductive sealing member 7 is disposed between the first adhesive layer 2 and the conductive heat generating portion 3. Both the first coating layer 1 and the second coating layer 5 are polyimide layers. The conductive heating part 3 is an S-shaped conductive copper strip.

Referring to fig. 1 and 2, the conductive wire 6 includes a conductive portion 61 and an insulating layer 62 sleeved and fixed on the conductive portion 61, the conductive sealing member 7 includes a soldering portion 71 and a sealing portion 72 in a ring shape, and the soldering portion 71 is electrically connected to an end of the conductive portion 61 extending out of the insulating layer 62 and a terminal. The solder portion 71 can sufficiently penetrate and adhere to the conductive portion 61 in a molten state, and after cooling, the conductive portion 61 and the terminal can be stably and fixedly connected.

The sealing portion 72 wraps the portion of the fixed conductive portion 61 extending out of the insulating layer 62, the sealing portion 72 is disposed close to the soldering portion 71, and a side surface of the sealing portion 72 away from the conductive portion 61 is fixed to the first adhesive layer 2. As shown in fig. 3, the guiding protrusions 73 are symmetrically and integrally formed on both sides of the sealing portion 72, so as to better fit with the first adhesive layer 2 and increase the sealing performance.

The conducting heating part 3 can be heated by electrifying the conducting wire 6, heat can be dissipated from the first coating layer 1 and the second coating layer 5, and the conducting sealing piece 7 seals the contact point of the conducting wire 6 and the wiring end, so that the generation of gaps is reduced. The insulating reinforcement can increase the stability of fixing between the wire 6 and the conductive heating part 3 while playing a role in strengthening the sealing effect, and the tensile strength is improved, so that the reliability is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A high-sealing electric heating sheet is characterized by comprising a first film coating layer (1), a first adhesive layer (2), a conductive heating part (3), a second adhesive layer (4) and a second film coating layer (5) which are fixedly connected in sequence, wherein the conductive heating part (3) is provided with two wiring ends, and the wiring ends are electrically connected with a lead (6);

the lead (6) is fixedly connected with the wiring terminal through a conductive sealing element (7), and the conductive sealing element (7) is arranged between the first adhesive layer (2) and the conductive heating part (3).

2. A highly sealed electric heating sheet as set forth in claim 1, wherein said lead wire (6) comprises a conductive portion (61) and an insulating layer (62) fitted over and fixed to said conductive portion (61);

the conductive sealing member (7) comprises a soldering part (71), and the soldering part (71) is electrically connected with the end part of the conductive part (61) extending out of the insulating layer (62) and the terminal end.

3. A high sealing electric heating plate according to claim 2, wherein the conductive sealing member (7) comprises a sealing portion (72), the sealing portion (72) wraps and fixes a portion of the conductive portion (61) extending out of the insulating layer (62), and the sealing portion (72) is disposed near the soldering portion (71), and a side of the sealing portion (72) away from the conductive portion (61) is fixed to the first adhesive layer (2).

4. A high sealing electric heating sheet according to claim 3, wherein the sealing portion (72) is ring-shaped, and guide protrusions (73) are symmetrically provided at both sides thereof.

5. A highly sealed electric heating sheet according to claim 1, characterised in that the first (1) and second (5) coating layers are both polyimide layers.

6. A highly sealed electric heating plate according to claim 1, characterized in that the electrically conductive heat generating portion (3) is an S-shaped electrically conductive copper strip.