CN204304422U - A kind of anti-overflow surge protection device - Google Patents
A kind of anti-overflow surge protection device Download PDFInfo
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- CN204304422U CN204304422U CN201420830531.9U CN201420830531U CN204304422U CN 204304422 U CN204304422 U CN 204304422U CN 201420830531 U CN201420830531 U CN 201420830531U CN 204304422 U CN204304422 U CN 204304422U
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Abstract
The utility model relates to a kind of anti-overflow surge protection device.It comprises flame-proof explosion-proof housing and is located at the piezo-resistance in described flame-proof explosion-proof housing, insulation explosion-proof material is filled with between described piezo-resistance and flame-proof explosion-proof housing, among three described piezo-resistances, two piezo-resistances are obliquely installed side by side in described flame-proof explosion-proof housing, piezo-resistance described in another is positioned at two the piezo-resistance tops or bottom that are obliquely installed side by side, three described piezo-resistances are connected by terminal block, leave gap between three described piezo-resistances.The utility model can under the prerequisite of performance ensureing original protector; greatly reduce the volume of protector; to be adapted to the layout of various different circuit; described sealing base plate is fixed on aluminum hull by clamping, heat-sealing or rubber seal; the explosion-proof effect of protector can be improved further; described flame-proof explosion-proof outside is also provided with envelope, further improves the explosion-proof effect of protector.
Description
Technical field
The utility model relates to varistor technical field, is specifically related to a kind of anti-overflow surge protection device.
Background technology
Piezo-resistance is applied in electronic circuit widely; for various electronic equipment, instrument and meter and communication apparatus provide security protection; as being used for protection because in supply of electric power process; instantaneous voltage sudden change may to the infringement of circuit; when high pressure arrives be; the resistance of piezo-resistance reduces and is shunted by electric current, prevents circuit from receiving excessive instantaneous voltage and is destroyed or interference, thus the resistive element that protection is responsive.But the surge protection device adopting piezo-resistance to make in prior art is due to the structure of its larger entirety; be unfavorable for the layout of whole circuit; and range of applicability is less; especially for the circuit structure more and more carrying out Highgrade integration; urgently under the prerequisite not reducing performance, the protector of reduced volume.
Utility model content
The purpose of this utility model is to provide a kind of anti-overflow surge protection device and solves in prior art the surge protection device that adopts piezo-resistance the to make structure due to its larger entirety; be unfavorable for the layout of whole circuit; and range of applicability is less, especially for the problem of circuit structure more and more carrying out Highgrade integration.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of anti-overflow surge protection device, comprise flame-proof explosion-proof housing and be located at the piezo-resistance in described flame-proof explosion-proof housing, insulation explosion-proof material is filled with between described piezo-resistance and flame-proof explosion-proof housing, described piezo-resistance comprise mutually be series at L end and N hold between and form two piezo-resistances in loop, and with connect after another piezo-resistance in parallel with two piezo-resistances, two piezo-resistances that described series connection forms loop to be held with PE by discharge tube and are connected, among three described piezo-resistances, two piezo-resistances are obliquely installed side by side in described flame-proof explosion-proof housing, piezo-resistance described in another is positioned at two the piezo-resistance tops or bottom that are obliquely installed side by side, three described piezo-resistances are connected by terminal block, gap is left between three described piezo-resistances.
On the basis of technique scheme, the utility model can also do following improvement.
Further, be also provided with aluminum hull between described flame-proof explosion-proof housing and piezo-resistance, described aluminum casing bottom is provided with sealing base plate, and described L end, N end and PE end are all through described sealing base plate and flame-proof explosion-proof shell;
Further, described end through described sealing base plate and flame-proof explosion-proof shell L end, N end and PE is semicircle lead end;
Further, described sealing base plate is fixed on aluminum hull by clamping, heat-sealing or rubber seal;
Further, described flame-proof explosion-proof outside is also provided with envelope;
Further, described insulation explosion-proof material is quartz sand.
The utility model also provides a kind of anti-overflow surge protection device, comprise flame-proof explosion-proof housing and be located at the piezo-resistance in described flame-proof explosion-proof housing, insulation explosion-proof material is filled with between described piezo-resistance and flame-proof explosion-proof housing, described piezo-resistance comprise mutually be series at L end and N hold between and form two piezo-resistances in loop, and with connect after another piezo-resistance in parallel with two piezo-resistances, two piezo-resistances that described series connection forms loop to be held with PE by discharge tube and are connected, three described piezo-resistances tilt side by side or to be stackedly arranged in described flame-proof explosion-proof housing.
Further, be also provided with aluminum hull between described flame-proof explosion-proof housing and piezo-resistance, described aluminum casing bottom is provided with sealing base plate, and described L end, N end and PE end are all through described sealing base plate and flame-proof explosion-proof shell;
Further, described end through described sealing base plate and flame-proof explosion-proof shell L end, N end and PE is semicircle lead end, and described sealing base plate is fixed on aluminum hull by clamping, heat-sealing or rubber seal;
Further, described flame-proof explosion-proof outside is also provided with envelope, and described insulation explosion-proof material is quartz sand.
The beneficial effects of the utility model are: the utility model is obliquely installed in described flame-proof explosion-proof housing by two piezo-resistances among three described piezo-resistances side by side, piezo-resistance described in another is positioned at two the piezo-resistance tops or bottom that are obliquely installed side by side, or three described piezo-resistances tilt side by side or are stackedly arranged in described flame-proof explosion-proof housing, and then by connecting plate and discharge tube composition demand circuit, can under the prerequisite of performance ensureing original protector, greatly reduce the volume of protector, to be adapted to the layout of various different circuit, especially the higher circuit layout of integrated level can be adapted to, described sealing base plate passes through clamping, heat-sealing or rubber seal are fixed on aluminum hull, the explosion-proof effect of protector can be improved further, described flame-proof explosion-proof outside is also provided with envelope, further improve the explosion-proof effect of protector.
Accompanying drawing explanation
Fig. 1 is that the utility model protector first implements illustration;
Fig. 2 is that the utility model protector second implements illustration;
Fig. 3 is circuit connection diagram in the utility model protector.
In accompanying drawing, the parts representated by each label are as follows:
1, flame-proof explosion-proof housing, 2, piezo-resistance, 3, quartz sand, 4, L end, 5, N end, 6, PE end, 7, aluminum hull, 8, sealing base plate, 9, envelope, 10, discharge tube.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
Fig. 1 is that the utility model protector first implements illustration, the piezo-resistance 2 comprising flame-proof explosion-proof housing 1 and be located in described flame-proof explosion-proof housing, insulation explosion-proof material is filled with between described piezo-resistance and flame-proof explosion-proof housing, Fig. 3 is circuit connection diagram in the utility model protector, described piezo-resistance comprises and is mutually series at L end 4 and N to hold between 5 and to form two piezo-resistances in loop, and with connect after another piezo-resistance in parallel with two piezo-resistances, two piezo-resistances that described series connection forms loop hold 6 to be connected by discharge tube 10 with PE, among three described piezo-resistances, two piezo-resistances are obliquely installed side by side in described flame-proof explosion-proof housing, piezo-resistance described in another is positioned at two the piezo-resistance tops or bottom that are obliquely installed side by side, three described piezo-resistances are connected by terminal block, gap is left between three described piezo-resistances.
Also be provided with aluminum hull 7 between described flame-proof explosion-proof housing and piezo-resistance, described aluminum casing bottom is provided with sealing base plate, and described L end, N end and PE end are all through described sealing base plate 8 and flame-proof explosion-proof shell; Described end through described sealing base plate and flame-proof explosion-proof shell L end, N end and PE is semicircle lead end; Described sealing base plate is fixed on aluminum hull by clamping, heat-sealing or rubber seal; Described flame-proof explosion-proof outside is also provided with envelope 9; Described insulation explosion-proof material is quartz sand 3.
Fig. 2 is that the utility model protector second implements illustration, the utility model also provides a kind of anti-overflow surge protection device, comprise flame-proof explosion-proof housing and be located at the piezo-resistance in described flame-proof explosion-proof housing, insulation explosion-proof material is filled with between described piezo-resistance and flame-proof explosion-proof housing, described piezo-resistance comprise mutually be series at L end and N hold between and form two piezo-resistances in loop, and with connect after another piezo-resistance in parallel with two piezo-resistances, two piezo-resistances that described series connection forms loop to be held with PE by discharge tube and are connected, three described piezo-resistances tilt side by side or to be stackedly arranged in described flame-proof explosion-proof housing.
Also be provided with aluminum hull between described flame-proof explosion-proof housing and piezo-resistance, described aluminum casing bottom is provided with sealing base plate, and described L end, N end and PE end are all through described sealing base plate and flame-proof explosion-proof shell; Described end through described sealing base plate and flame-proof explosion-proof shell L end, N end and PE is semicircle lead end, and described sealing base plate is fixed on aluminum hull by clamping, heat-sealing or rubber seal; Described flame-proof explosion-proof outside is also provided with envelope, and described insulation explosion-proof material is quartz sand.
Be obliquely installed side by side in described flame-proof explosion-proof housing by two piezo-resistances among three described piezo-resistances, piezo-resistance described in another is positioned at two the piezo-resistance tops or bottom that are obliquely installed side by side, or three described piezo-resistances tilt side by side or are stackedly arranged in described flame-proof explosion-proof housing, and then by connecting plate and discharge tube composition demand circuit, can under the prerequisite of performance ensureing original protector, greatly reduce the volume of protector, to be adapted to the layout of various different circuit, especially the higher circuit layout of integrated level can be adapted to, described sealing base plate passes through clamping, heat-sealing or rubber seal are fixed on aluminum hull, the explosion-proof effect of protector can be improved further, described flame-proof explosion-proof outside is also provided with envelope, further improve the explosion-proof effect of protector.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. an anti-overflow surge protection device, comprise flame-proof explosion-proof housing and be located at the piezo-resistance in described flame-proof explosion-proof housing, insulation explosion-proof material is filled with between described piezo-resistance and flame-proof explosion-proof housing, it is characterized in that: described piezo-resistance comprise mutually be series at L end and N hold between and form two piezo-resistances in loop, and with connect after another piezo-resistance in parallel with two piezo-resistances, two piezo-resistances that described series connection forms loop to be held with PE by discharge tube and are connected, among three described piezo-resistances, two piezo-resistances are obliquely installed side by side in described flame-proof explosion-proof housing, piezo-resistance described in another is positioned at two the piezo-resistance tops or bottom that are obliquely installed side by side, three described piezo-resistances are connected by terminal block, gap is left between three described piezo-resistances.
2. a kind of anti-overflow surge protection device according to claim 1; it is characterized in that: between described flame-proof explosion-proof housing and piezo-resistance, be also provided with aluminum hull; described aluminum casing bottom is provided with sealing base plate, and described L end, N end and PE end are all through described sealing base plate and flame-proof explosion-proof shell.
3. a kind of anti-overflow surge protection device according to claim 2, is characterized in that: described end through described sealing base plate and flame-proof explosion-proof shell L end, N end and PE is semicircle lead end.
4. a kind of anti-overflow surge protection device according to claim 2, is characterized in that: described sealing base plate is fixed on aluminum hull by clamping, heat-sealing or rubber seal.
5. a kind of anti-overflow surge protection device according to claim 1, is characterized in that: described flame-proof explosion-proof outside is also provided with envelope.
6. a kind of anti-overflow surge protection device according to any one of claim 1 to 5, is characterized in that: described insulation explosion-proof material is quartz sand.
7. an anti-overflow surge protection device, comprise flame-proof explosion-proof housing and be located at the piezo-resistance in described flame-proof explosion-proof housing, insulation explosion-proof material is filled with between described piezo-resistance and flame-proof explosion-proof housing, it is characterized in that: described piezo-resistance comprise mutually be series at L end and N hold between and form two piezo-resistances in loop, and with connect after another piezo-resistance in parallel with two piezo-resistances, two piezo-resistances that described series connection forms loop to be held with PE by discharge tube and are connected, three described piezo-resistances tilt side by side or to be stackedly arranged in described flame-proof explosion-proof housing.
8. a kind of anti-overflow surge protection device according to claim 7; it is characterized in that: between described flame-proof explosion-proof housing and piezo-resistance, be also provided with aluminum hull; described aluminum casing bottom is provided with sealing base plate, and described L end, N end and PE end are all through described sealing base plate and flame-proof explosion-proof shell.
9. a kind of anti-overflow surge protection device according to claim 7; it is characterized in that: described end through described sealing base plate and flame-proof explosion-proof shell L end, N end and PE is semicircle lead end, and described sealing base plate is fixed on aluminum hull by clamping, heat-sealing or rubber seal.
10. a kind of anti-overflow surge protection device according to claim 7, it is characterized in that: described flame-proof explosion-proof outside is also provided with envelope, described insulation explosion-proof material is quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830531.9U CN204304422U (en) | 2014-12-25 | 2014-12-25 | A kind of anti-overflow surge protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830531.9U CN204304422U (en) | 2014-12-25 | 2014-12-25 | A kind of anti-overflow surge protection device |
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| Publication Number | Publication Date |
|---|---|
| CN204304422U true CN204304422U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420830531.9U Active CN204304422U (en) | 2014-12-25 | 2014-12-25 | A kind of anti-overflow surge protection device |
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| CN (1) | CN204304422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947141A (en) * | 2017-11-17 | 2018-04-20 | 惠州市三特电器有限公司 | A kind of anti-instant high-voltage device of circuit board |
-
2014
- 2014-12-25 CN CN201420830531.9U patent/CN204304422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947141A (en) * | 2017-11-17 | 2018-04-20 | 惠州市三特电器有限公司 | A kind of anti-instant high-voltage device of circuit board |
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