CN213073141U - Electrothermal film for avoiding misoperation of leakage protector - Google Patents
Electrothermal film for avoiding misoperation of leakage protector Download PDFInfo
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- CN213073141U CN213073141U CN202021037033.0U CN202021037033U CN213073141U CN 213073141 U CN213073141 U CN 213073141U CN 202021037033 U CN202021037033 U CN 202021037033U CN 213073141 U CN213073141 U CN 213073141U
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Abstract
The utility model discloses an avoid electric heat membrane of earth-leakage protector malfunction, include: the electric heating film comprises an upper insulating plastic film, an equipotential aluminum foil, an electric heating film body and a lower insulating plastic film, wherein the equipotential aluminum foil is adhered to the top end of the electric heating film body; the electric heating film body comprises a negative metal current carrying strip and a positive metal current carrying strip which are respectively positioned on two sides of the heating film body, the negative metal current carrying strip is connected with a negative power line, the positive metal current carrying strip is connected with a positive power line, and the equipotential aluminum foil is electrically connected with the negative metal current carrying strip through a connecting wire. The utility model discloses can effectually avoid induced-current-flow reposition of redundant personnel to the ground, the electric heat membrane that makes is just, the electric current size of negative pole power cord equals opposite direction, the vector with be zero, ensured that the electric heat membrane mats formation can the safe operation subaerial.
Description
Technical Field
The utility model belongs to the technical field of the electric heat membrane, more specifically the electric heat membrane that relates to an evade earth-leakage protector malfunction that says so.
Background
The electrothermal film is an important engineering component in an electric floor heating system, and directly determines the safety and the application effect of the system. In recent years, the national requirements on environmental protection, electrothermal film heating systems can be widely applied. Because the electric floor heating system with the electric heating film is paved under a floor or a floor tile or concrete, people live on the floor for a long time, and once the ground is damaged, the electric floor heating system can be in direct contact with a human body, so from the safety perspective, the electric floor heating system with the electric heating film has stricter requirements, especially for induced current generated by a capacitance effect formed by the electric heating film and the ground, the misoperation of a leakage protector in a main circuit is easily caused, the real leakage fault is confused, and people need to be reminded to pay attention to the fault.
At present, most domestic electrothermal film manufacturers, especially electrothermal films imported from abroad, can be used for greenhouse heating, once the electrothermal films are used for ground heating, when materials with electric conductivity (such as wet concrete, cement mortar or metals) are covered on the electrothermal films, a capacitance effect can be formed between the electrothermal films which are electrified and the materials with electric conductivity, induction current can be generated, the induction current can not harm human bodies, but misoperation tripping of a leakage protector in a circuit can be caused, so that an electrothermal film heating system can not work normally, and in case of failure of the leakage protector, personal safety in accidents can not be guaranteed.
Therefore, how to provide an electrothermal film for avoiding the malfunction of the leakage protector is a problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an avoid electric heat membrane of earth-leakage protector malfunction can effectually avoid induced-current to shunt to the ground, and the electric heat membrane that makes is just, the electric current size of negative pole power cord equals opposite direction, and the vector sum is zero, has ensured that the electric heat membrane mats formation can the safe operation subaerial.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an electric heating film for avoiding misoperation of a leakage protector comprises: the electric heating film comprises an upper insulating plastic film, an equipotential aluminum foil, an electric heating film body and a lower insulating plastic film, wherein the equipotential aluminum foil is adhered to the top end of the electric heating film body, the upper insulating plastic film covers the equipotential aluminum foil, and the lower insulating plastic film is adhered to the bottom end of the electric heating film body; the electric heating film body comprises a negative metal current carrying strip and a positive metal current carrying strip which are respectively positioned on two sides of the heating film body, the negative metal current carrying strip is connected with a negative power line, the positive metal current carrying strip is connected with a positive power line, and the equipotential aluminum foil is electrically connected with the negative metal current carrying strip through a connecting wire.
Preferably, the electric heating film body further comprises a positive electrode silver film, a negative electrode silver film and a heating carbon strip, wherein the heating carbon strip is connected between the positive electrode silver film and the negative electrode silver film, the positive electrode silver film is arranged below the positive electrode metal current carrying strip, and the negative electrode silver film is arranged below the negative electrode metal current carrying strip.
Preferably, a grounding aluminum foil is arranged between the equipotential aluminum foil and the upper insulating plastic film, the grounding aluminum foil is connected with the upper insulating plastic film in a sticking manner, and the grounding aluminum foil is connected with a grounding lead.
Preferably, an insulating PET film is arranged between the grounding aluminum foil and the equipotential aluminum foil, and the insulating PET film is respectively connected with the grounding aluminum foil and the equipotential aluminum foil in a sticking manner.
Preferably, the insulating PET film is completely coated on the top surface and the side wall of the equipotential aluminum foil.
The beneficial effects of the utility model reside in that:
the utility model discloses be provided with the equipotential aluminium foil on the heating film body, the equipotential aluminium foil is connected and is connected the negative pole power cord through connecting wire and negative pole metal current-carrying strip, electric heat membrane body circular telegram back, the induced current that forms between equipotential aluminium foil and the electric heat membrane body can flow back to the negative pole of power through negative pole metal current-carrying strip, can effectually avoid induced current to shunt to the ground, the electric heat membrane of messenger is just, the equal opposite direction of current size of negative pole power cord, the vector with be zero, electric heat membrane pavement has been ensured and has been moved at subaerial safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, in the figure,
1-upper insulating plastic film; 2-grounded aluminum foil; 3-a ground lead; 4-insulating PET film; 5-equipotential aluminum foil; 6-connecting a wire; 7-negative power line; 8-negative metal current carrying bars; 9-negative electrode silver film; 10-positive power line; 11-a heat-generating carbon strip; 12-positive metal current carrying bar; 13-positive electrode silver film; 14-lower insulating plastic film.
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 work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides an electrothermal film for avoiding the malfunction of a leakage protector, including: the electric heating film comprises an upper insulating plastic film 1, an equipotential aluminum foil 5, an electric heating film body and a lower insulating plastic film 14, wherein the equipotential aluminum foil 5 is pasted at the top end of the electric heating film body, the upper insulating plastic film 1 covers the equipotential aluminum foil 5, and the lower insulating plastic film 14 is pasted at the bottom end of the electric heating film body; the electric heating film body comprises a negative metal current carrying strip 8 and a positive metal current carrying strip 12 which are respectively positioned on two sides of the heating film body, the negative metal current carrying strip 8 is connected with a negative power line 7, the positive metal current carrying strip 12 is connected with a positive power line 10, and the equipotential aluminum foil 5 is electrically connected with the negative metal current carrying strip 8 through a connecting wire 6.
The electric heating film body further comprises a positive electrode silver film 13, a negative electrode silver film 9 and a heating carbon strip 11, wherein the heating carbon strip 11 is connected between the positive electrode silver film 13 and the negative electrode silver film 9, the positive electrode silver film 13 is arranged below the positive electrode metal current carrying strip 12, and the negative electrode silver film 9 is arranged below the negative electrode metal current carrying strip 8; the equipotential aluminum foil 5 completely covers the heating carbon strips 11. After the negative metal current carrying strip 8 and the positive metal current carrying strip 12 are electrified, the heating carbon strip 11 generates heat.
And a grounding aluminum foil 2 is arranged between the equipotential aluminum foil 5 and the upper insulating plastic film 1, the grounding aluminum foil 2 is adhered and connected with the upper insulating plastic film 1, and the grounding aluminum foil 2 is connected with the grounding lead 3. The utility model discloses be provided with ground connection aluminium foil 2, in case cause the electric heat membrane body to be pierced because of accident, ground connection aluminium foil 2 has played the ground protection effect, has improved the security of product.
An insulating PET film 4 is arranged between the grounding aluminum foil 2 and the equipotential aluminum foil 5, and the insulating PET film 4 is respectively connected with the grounding aluminum foil 2 and the equipotential aluminum foil 5 in a sticking way. The insulating PET film 4 is completely coated on the top surface and the side wall of the equipotential aluminum foil 5. Be provided with insulating PET membrane 4 between equipotential aluminium foil 5 and ground connection aluminium foil 2, its aim at keeps apart the aluminium foil of two kinds of effects, avoids the induced-current that produces in the electric heat membrane during operation equipotential aluminium foil 5 to flow into the ground through ground connection aluminium foil 2.
The utility model discloses be provided with equipotential aluminium foil 5 on the heating film body, equipotential aluminium foil 5 is connected and is connected negative pole power cord 7 through connecting wire 6 and negative pole metal current carrying strip 8, electric heat membrane body circular telegram back, the induced current that forms between equipotential aluminium foil 5 and the electric heat membrane body can flow back to the negative pole of power through negative pole metal current carrying strip 8, can effectually avoid induced current to shunt to the ground, the electric heat membrane that makes is just, negative pole power cord 7's current size equals opposite direction, the vector sum is zero, electric heat membrane pavement has been ensured and has been operated at subaerial safety.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present 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 (5)
1. The utility model provides an avoid electric heat membrane of earth-leakage protector malfunction which characterized in that includes: the electric heating film comprises an upper insulating plastic film, an equipotential aluminum foil, an electric heating film body and a lower insulating plastic film, wherein the equipotential aluminum foil is adhered to the top end of the electric heating film body, the upper insulating plastic film covers the equipotential aluminum foil, and the lower insulating plastic film is adhered to the bottom end of the electric heating film body; the electric heating film body comprises a negative metal current carrying strip and a positive metal current carrying strip which are respectively positioned on two sides of the electric heating film body, the negative metal current carrying strip is connected with a negative power line, the positive metal current carrying strip is connected with a positive power line, and the equipotential aluminum foil is electrically connected with the negative metal current carrying strip through a connecting wire.
2. The electrothermal film for avoiding the misoperation of the leakage protector, according to claim 1, wherein the electrothermal film body further comprises a positive silver film, a negative silver film and a heating carbon strip, the heating carbon strip is connected between the positive silver film and the negative silver film, the positive silver film is arranged below the positive metal current carrying strip, and the negative silver film is arranged below the negative metal current carrying strip.
3. The electrothermal film for avoiding the malfunction of the leakage protector according to claim 1, wherein a grounding aluminum foil is arranged between the equipotential aluminum foil and the upper insulating plastic film, the grounding aluminum foil is bonded and connected with the upper insulating plastic film, and the grounding aluminum foil is connected with a grounding lead.
4. The electrothermal film for avoiding the malfunction of the leakage protector according to claim 3, wherein an insulating PET film is arranged between the grounding aluminum foil and the equipotential aluminum foil, and the insulating PET film is respectively bonded and connected with the grounding aluminum foil and the equipotential aluminum foil.
5. The electrothermal film for avoiding the malfunction of the leakage protector as claimed in claim 4, wherein the insulating PET film is completely coated on the top surface and the side wall of the equipotential aluminum foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021037033.0U CN213073141U (en) | 2020-06-08 | 2020-06-08 | Electrothermal film for avoiding misoperation of leakage protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021037033.0U CN213073141U (en) | 2020-06-08 | 2020-06-08 | Electrothermal film for avoiding misoperation of leakage protector |
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| Publication Number | Publication Date |
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| CN213073141U true CN213073141U (en) | 2021-04-27 |
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| CN202021037033.0U Active CN213073141U (en) | 2020-06-08 | 2020-06-08 | Electrothermal film for avoiding misoperation of leakage protector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905695A (en) * | 2022-05-26 | 2022-08-16 | 河南问暖电子科技有限公司 | Sealing method for connecting part of vacuum packaging electrothermal film and terminal |
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2020
- 2020-06-08 CN CN202021037033.0U patent/CN213073141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905695A (en) * | 2022-05-26 | 2022-08-16 | 河南问暖电子科技有限公司 | Sealing method for connecting part of vacuum packaging electrothermal film and terminal |
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