CN212676147U - High-temperature-resistant moisture-proof membrane switch - Google Patents
High-temperature-resistant moisture-proof membrane switch Download PDFInfo
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- CN212676147U CN212676147U CN202021874658.2U CN202021874658U CN212676147U CN 212676147 U CN212676147 U CN 212676147U CN 202021874658 U CN202021874658 U CN 202021874658U CN 212676147 U CN212676147 U CN 212676147U
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Abstract
The utility model discloses a high temperature resistant dampproofing membrane switch, concretely relates to electronic switch field, including last conducting layer, lower conducting layer and set up the insulating layer between last conducting layer and lower conducting layer, the outside of going up conducting layer and conducting layer down all is provided with the waterproof layer, the outside of waterproof layer is provided with the inoxidizing coating, the inside both ends of insulating layer all are provided with insulating seal gasket, the bottom of going up the conducting layer is provided with anodal trigger part, the upper end of conducting layer is provided with negative pole trigger part down, the even a plurality of elastic insulation post that is provided with in inside interval of insulating layer, the inside of elastic insulation post sets up to cavity, it has moisture absorbing material to fill in the inside cavity of elastic insulation post, the even a plurality of bleeder vent that is provided with in interval on the outer end lateral wall of elastic. The utility model discloses membrane switch has good humidity resistance.
Description
Technical Field
The utility model relates to an electronic switch technical field, more specifically say, the utility model relates to a high temperature resistant dampproofing membrane switch.
Background
The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel. The circuit board consists of four parts, including a panel, an upper circuit, an isolating layer and a lower circuit. When the membrane switch is pressed down, the contact of the upper circuit deforms downwards to be in contact with the polar plate of the lower circuit for conduction, after the finger is loosened, the contact of the upper circuit rebounds, the circuit is disconnected, and the loop triggers a signal. The membrane switch has the advantages of rigorous structure, attractive appearance and good sealing property. Has the characteristics of moisture resistance, long service life and the like. The method is widely applied to the fields of electronic communication and electronic measurement instruments, industrial control, medical equipment, automobile industry, intelligent toys, household appliances and the like.
The existing membrane switch has insufficient moisture resistance, and moisture in the air easily enters the upper circuit, the lower circuit and the isolating layer, so that the membrane switch is damaged, and the service life of the membrane switch is shortened.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a high temperature resistant dampproofing membrane switch, the utility model aims to solve the technical problem that: how to improve the moisture resistance of the membrane switch.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant dampproofing membrane switch, includes conducting layer, lower conducting layer and sets up the insulating layer between conducting layer and lower conducting layer, the outside of going up conducting layer and lower conducting layer all is provided with the waterproof layer, the outside of waterproof layer is provided with the inoxidizing coating, the inside both ends of insulating layer all are provided with insulating seal gasket, the bottom of going up the conducting layer is provided with anodal trigger part, the upper end of conducting layer is provided with negative pole trigger part down, the even a plurality of elastic insulation post that is provided with in inside interval of insulating layer, the inside of elastic insulation post sets up to cavity, it has hygroscopic material to fill in the inside cavity of elastic insulation post, the even a plurality of bleeder vent that is provided with in interval on the outer end lateral wall of.
The utility model provides a high temperature resistant dampproof membrane switch, during the use, through pressing the upper conductive layer, make the anodal trigger part of upper conductive layer bottom contact with the negative pole trigger part of lower conductive layer upper end, make positive negative pole switch on, the switch switches on, after loosening the upper conductive layer, the upper conductive layer kick-backs, anodal trigger part and negative pole trigger part disconnection, make the switch break off, be provided with the waterproof layer in the outside of upper conductive layer and lower conductive layer, the waterproof layer can prevent moisture from getting into membrane switch's inside, prevent that the circuit in membrane switch is damaged, be provided with the inoxidizing coating in the outside of waterproof layer, the inoxidizing coating adopts epoxy AB glue to make, use epoxy AB glue, make membrane switch have high temperature resistant, performances such as waterproof, through being provided with the elastic insulation post in the insulating layer, and be provided with the moisture absorption material in the inside of elastic insulation post, the elastic insulation post can play certain cushioning, and the moisture absorption material in the elastic insulating column can absorb moisture in the membrane switch, so that the moisture-proof effect of the membrane switch is better.
In a preferred embodiment, the outer sides of the upper conductive layer, the lower conductive layer, the insulating layer, the waterproof layer and the protective layer are fixedly arranged by using edge covering, and the upper conductive layer, the lower conductive layer, the insulating layer, the waterproof layer and the protective layer are fixedly sealed by using the edge covering.
In a preferred embodiment, the upper conductive layer and the lower conductive layer are made of polycarbonate films or polyester films, and the insulating layer is made of polyvinyl chloride films.
In a preferred embodiment, the waterproof layer is a high-temperature-resistant PET waterproof film, and the PET waterproof film is high-temperature-resistant and has a good waterproof effect.
In a preferred embodiment, the protective layer is made of an epoxy AB glue material, and the epoxy AB glue has the characteristics of water resistance and high temperature resistance.
In a preferred embodiment, the positive trigger part and the negative trigger part correspond to each other, so that the positive trigger part and the negative trigger part are convenient to contact.
In a preferred embodiment, the moisture-absorbing material is one of a moisture-absorbing cotton and a moisture-absorbing ball, and the moisture inside the membrane switch can be absorbed by the moisture-absorbing material.
In a preferred embodiment, the amount of the moisture absorbent material filled in the elastic insulating column is gradually increased when the elastic insulating column extends toward both ends with the positive electrode trigger and the negative electrode trigger as a boundary, and the elastic insulating column closer to the positive electrode trigger and the negative electrode trigger bends more strongly when the upper conductive layer is pressed down, so that the amount of the moisture absorbent material filled in the elastic insulating column is small.
In a preferred embodiment, the elastic insulating column 9 is made of an epoxy resin material, which is environment-friendly and soft, and can wrap the moisture absorbing material without affecting the pressing of the upper conductive layer.
Compared with the prior art, the utility model discloses a technological effect and advantage:
the utility model discloses a be provided with the waterproof layer, the inoxidizing coating, insulating seal gasket, elastic insulation post and moisture absorption material, the inoxidizing coating has water-fast, high temperature resistance performance, and the waterproof layer can prevent that moisture from entering into membrane switch's inside, insulating seal gasket can guarantee the leakproofness at insulating layer both ends, prevent the entering of moisture, through being provided with the elastic insulation post in insulating inside, and be provided with moisture absorption material in the inside of elastic insulation post, the elastic insulation post can play certain buffering reset action to last conducting layer, and the inside moisture absorption material of elastic insulation post can absorb the inside moisture of membrane switch, make membrane switch's dampproofing effect better.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention in the non-conducting state.
Fig. 2 is a schematic view of the overall structure of the utility model when it is turned on.
Fig. 3 is a schematic diagram of the distribution structure of the elastic insulating column of the present invention.
Fig. 4 is a schematic structural view of the elastic insulating column of the present invention.
The reference signs are: 1 upper conductive layer, 2 lower conductive layer, 3 insulating layer, 4 waterproof layer, 5 protective layer, 6 insulating sealing gasket, 7 positive pole trigger part, 8 negative pole trigger part, 9 elastic insulating column, 10 air vent, 11 bordures, 12 hygroscopic material.
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.
A high temperature resistant moisture proof membrane switch according to fig. 1-4, comprising an upper conductive layer 1, a lower conductive layer 2 and an insulating layer 3 arranged between the upper conductive layer 1 and the lower conductive layer 2, waterproof layers 4 are arranged on the outer sides of the upper conductive layer 1 and the lower conductive layer 2, a protective layer 5 is arranged on the outer side of each waterproof layer 4, the two ends of the inside of the insulating layer 3 are respectively provided with an insulating sealing gasket 6, the bottom end of the upper conducting layer 1 is provided with a positive trigger part 7, the upper end of the lower conducting layer 2 is provided with a negative electrode triggering part 8, a plurality of elastic insulating columns 9 are uniformly arranged in the insulating layer 3 at intervals, the elastic insulating column 9 is hollow, the cavity inside the elastic insulating column 9 is filled with a moisture absorption material 12, a plurality of air holes 10 are uniformly arranged on the side wall of the outer end of the elastic insulating column 9 at intervals.
Furthermore, the outer sides of the upper conducting layer 1, the lower conducting layer 2, the insulating layer 3, the waterproof layer 4 and the protective layer 5 are all fixedly arranged through an edge covering 11.
Further, the upper conductive layer 1 and the lower conductive layer 2 are made of polycarbonate films or polyester films, and the insulating layer 3 is made of polyvinyl chloride films.
Further, the waterproof layer 4 is made of a high-temperature resistant PET waterproof film.
Furthermore, the protective layer 5 is made of an epoxy AB glue material.
Further, the positive trigger 7 and the negative trigger 8 correspond to each other.
Further, the absorbent material 12 is one of absorbent cotton and absorbent balls.
Furthermore, the filling amount of the moisture absorbing material in the elastic insulating column 9 is gradually increased when the moisture absorbing material extends to both ends, with the positive electrode trigger part 7 and the negative electrode trigger part 8 as a boundary.
Furthermore, the elastic insulating column 9 is made of epoxy resin material.
The implementation mode is specifically as follows: when the membrane switch is used, the upper conducting layer 1 is pressed, the anode triggering part 7 at the bottom end of the upper conducting layer 1 is contacted with the cathode triggering part 8 at the upper end of the lower conducting layer 2, so that the anode and the cathode are conducted, the switch is conducted, after the upper conducting layer 1 is loosened, the upper conducting layer 1 rebounds, the anode triggering part 7 is disconnected with the cathode triggering part 8, so that the switch is disconnected, the waterproof layer 4 is arranged on the outer sides of the upper conducting layer 1 and the lower conducting layer 2, the waterproof layer 4 can prevent moisture from entering the interior of the membrane switch and prevent a circuit in the membrane switch from being damaged, the protective layer 5 is arranged on the outer side of the waterproof layer 4 and is made of epoxy AB glue, the membrane switch has the performances of high temperature resistance, water resistance and the like by using the epoxy AB glue, the elastic insulating column 9 is arranged in the insulating layer 3, the moisture absorption material 12 is arranged in the elastic insulating column 9, and, and the moisture absorption material 12 in the elastic insulating column 9 can absorb moisture in the membrane switch, so that the moisture-proof effect of the membrane switch is better.
The utility model discloses the theory of operation: through being provided with waterproof layer 4, inoxidizing coating 5, insulating seal gasket 6, elastic insulation post 9 and moisture absorption material, inoxidizing coating 5 has water-fast, high temperature resistance performance, and waterproof layer 4 can prevent that moisture from entering into membrane switch's inside, insulating seal gasket 6 can guarantee the leakproofness at 3 both ends of insulating layer, prevent the entering of moisture, through being provided with elastic insulation post 9 in 3 insides of insulating layer, and be provided with moisture absorption material in elastic insulation post 9's inside, elastic insulation post can play certain buffering reset action to last conducting layer, and the moisture absorption material of elastic insulation post 9 inside can absorb the inside moisture of membrane switch, make membrane switch's dampproofing effect better.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a high temperature resistant dampproofing membrane switch, includes conducting layer (1), conducting layer (2) down and sets up insulating layer (3) between conducting layer (1) and conducting layer (2) down, its characterized in that: go up the outside of conducting layer (1) and conducting layer (2) down and all be provided with waterproof layer (4), the outside of waterproof layer (4) is provided with inoxidizing coating (5), the inside both ends of insulating layer (3) all are provided with insulating seal gasket (6), the bottom of going up conducting layer (1) is provided with anodal trigger part (7), the upper end of conducting layer (2) is provided with negative pole trigger part (8) down, the inside interval of insulating layer (3) is even is provided with a plurality of elastic insulation post (9), the inside of elastic insulation post (9) sets up to cavity, it has hygroscopic material to fill in the cavity of elastic insulation post (9) inside, the interval is even on the outer end lateral wall of elastic insulation post (9) is provided with a plurality of bleeder vent (10).
2. A high temperature resistant moisture resistant membrane switch as claimed in claim 1, wherein: the outer sides of the upper conducting layer (1), the lower conducting layer (2), the insulating layer (3), the waterproof layer (4) and the protective layer (5) are fixedly arranged through edge covering (11).
3. A high temperature resistant moisture resistant membrane switch as claimed in claim 1, wherein: the upper conducting layer (1) and the lower conducting layer (2) are made of polycarbonate films or polyester films, and the insulating layer (3) is made of polyvinyl chloride films.
4. A high temperature resistant moisture resistant membrane switch as claimed in claim 1, wherein: the waterproof layer (4) is made of a high-temperature-resistant PET waterproof film.
5. A high temperature resistant moisture resistant membrane switch as claimed in claim 1, wherein: the protective layer (5) is made of epoxy AB glue materials.
6. A high temperature resistant moisture resistant membrane switch as claimed in claim 1, wherein: the positive electrode trigger part (7) and the negative electrode trigger part (8) correspond to each other.
7. A high temperature resistant moisture resistant membrane switch as claimed in claim 1, wherein: the moisture absorption material is one of moisture absorption cotton and moisture absorption balls.
8. A high temperature resistant moisture resistant membrane switch as claimed in claim 1, wherein: the filling amount of the moisture absorption material in the elastic insulating column (9) takes the positive electrode trigger part (7) and the negative electrode trigger part (8) as a boundary, and the filling amount of the moisture absorption material is gradually increased when the moisture absorption material extends towards two ends.
9. A high temperature resistant moisture resistant membrane switch as claimed in claim 1, wherein: the elastic insulating column (9) is made of epoxy resin materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021874658.2U CN212676147U (en) | 2020-09-01 | 2020-09-01 | High-temperature-resistant moisture-proof membrane switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021874658.2U CN212676147U (en) | 2020-09-01 | 2020-09-01 | High-temperature-resistant moisture-proof membrane switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212676147U true CN212676147U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021874658.2U Active CN212676147U (en) | 2020-09-01 | 2020-09-01 | High-temperature-resistant moisture-proof membrane switch |
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| Country | Link |
|---|---|
| CN (1) | CN212676147U (en) |
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2020
- 2020-09-01 CN CN202021874658.2U patent/CN212676147U/en active Active
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