CN207475189U - A kind of anti-instant high-voltage device of circuit board - Google Patents
A kind of anti-instant high-voltage device of circuit board Download PDFInfo
- Publication number
- CN207475189U CN207475189U CN201721540605.5U CN201721540605U CN207475189U CN 207475189 U CN207475189 U CN 207475189U CN 201721540605 U CN201721540605 U CN 201721540605U CN 207475189 U CN207475189 U CN 207475189U
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- varistor
- middle seat
- gas
- discharge tube
- shell
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Abstract
The utility model discloses a kind of anti-instant high-voltage device of circuit board, including：Shell, middle seat, varistor, pin, pedestal, gas-discharge tube, filler material, sealant, the middle seat is the rectangle housing that both ends are opening, the opening of the affixed middle seat of the pedestal, the gas-discharge tube is arranged on varistor in middle seat, gas-discharge tube, it is filled using filler material in gap between varistor and middle seat, varistor is connected with gas-discharge tube, the shell is socketed in outside middle seat, shell is the rectangle housing that lower end is opening, the sealant is fixed in the opening of shell, the pin is fixed on pedestal, pin and varistor, gas-discharge tube is electrically connected, pin passes through sealant, the filler material is quartz sand powder powder material or epoxy resin.The utility model has many advantages, such as that simple and compact for structure, safe, using effect is good.
Description
Technical field
The utility model is related to circuit board protector technical field, the anti-instant high-voltage dress of specially a kind of circuit board
It puts.
Background technology
Circuit board makes circuit miniaturization, intuitiveization, batch production and optimization electrical appliance layout lifting for permanent circuit
It acts on.However can encounter and be struck by lightning or situations such as the electromagnetic induction of inductive element in the actual use of circuit board, it is formed
High voltage damages circuit board, and in order to solve this harm, circuit board is equipped with protective device, however existing guarantor
Protection unit is practical in use, the effect of protection is general, and be easy to cause the accidents such as explosive combustion.Varistor is used alone
It is protected, due to the influence of leakage current, the easy aging of varistor.Varistor or gas-discharge tube is not used alone sometimes not
It can obtain suitable protection feature.
Utility model content
The purpose of this utility model is to provide a kind of anti-instant high-voltage device of circuit board, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical solution：A kind of anti-instant high-voltage dress of circuit board
It puts, including：Shell, middle seat, varistor, pin, pedestal, gas-discharge tube, filler material, sealant, the middle seat are two
The rectangle housing for opening, the opening of the affixed middle seat of the pedestal are held, the gas-discharge tube is set on the base,
The varistor is arranged in middle seat, the gap between varistor and middle seat using filler material fill, varistor with
Gas-discharge tube is connected, and the shell is socketed in outside middle seat, and shell is the rectangle housing that lower end is opening, and described is close
Sealing is fixed in the opening of shell, and the pin is fixed on pedestal, and pin electrically connects with varistor, gas-discharge tube
It connects, pin passes through sealant.
Further, the filler material is quartz sand powder powder material or epoxy resin.
Further, the sealant is made of epoxide resin material.
Compared with prior art, the beneficial effects of the utility model are：The anti-instant high-voltage of circuit board of the utility model
Device, the combination connected using varistor with gas-discharge tube, the instant high-voltage of absorbing circuit.Pass through varistor and gas
Body discharge tube is connected, and the leakage current of varistor can be effectively blocked, so as to extend the service life of varistor.In addition gas is put
Fulgurite has the characteristics that low residual voltage, and higher breakdown voltage and suitable clamping voltag are can obtain by connecting with varistor.
The filler material or epoxy resin of quartz sand powder therein, varistor is sealed, and prevents its caused fire that burns in use
Calamity.Whole device is compact-sized, small, using effect is good.
The utility model has many advantages, such as that simple and compact for structure, safe, using effect is good.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
In figure：1- shells；Seat in 2-；3- varistors；4- pins；5- pedestals；6- gas-discharge tubes；7- filler materials；8-
Sealant.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of anti-instant high-voltage device of circuit board, including：Shell 1, in
Seat 2, varistor 3, pin 4, pedestal 5, gas-discharge tube 6, filler material 7, sealant 8, it is opening that the middle seat 2, which is both ends,
Rectangle housing, the opening of the affixed middle seat 2 of the pedestal 5, the gas-discharge tube 6 is arranged on inside pedestal 5, institute
The varistor 3 stated is arranged in middle seat 2, and the gap between varistor 3 and middle seat 2 is filled using filler material 7, varistor
3 connect with gas-discharge tube 6, and the shell 1 is socketed in outside middle seat 2, and shell 1 is the rectangle housing that lower end is opening,
The sealant 8 is fixed in the opening of shell 1, and the pin 4 is fixed on pedestal 5, pin 4 and varistor 3, gas
Body discharge tube 6 is electrically connected, and pin 4 passes through sealant 8.
Further, the filler material 7 is quartz sand powder powder material or epoxy resin.
Further, the sealant 8 is made of epoxide resin material.
Operation principle：The utility model provides a kind of anti-instant high-voltage device of circuit board, using varistor with
The combination of gas-discharge tube series connection, the instant high-voltage of absorbing circuit.It is connected by varistor with gas-discharge tube, it can be effective
The leakage current of varistor is blocked, so as to extend the service life of varistor.In addition gas-discharge tube has the spy of low residual voltage
Point can obtain higher breakdown voltage and suitable clamping voltag by connecting with varistor.Quartz sand powder therein
Filler material or epoxy resin, varistor is sealed, and prevents its caused fire that burns in use.Whole device structure is tight
It gathers, it is small, using effect is good.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of anti-instant high-voltage device of circuit board, including：Shell（1）, middle seat（2）, varistor（3）, pin（4）、
Pedestal（5）, gas-discharge tube（6）, filler material（7）, sealant（8）, it is characterised in that：The middle seat（2）It is both ends to open
The rectangle housing of mouth, the pedestal（5）Affixed middle seat（2）Opening, the gas-discharge tube（6）It is arranged on pedestal
（5）On, the varistor（3）It is arranged on middle seat（2）It is interior, varistor（3）With middle seat（2）Between gap using filling
Material（7）Filling, varistor（3）With gas-discharge tube（6）Series connection, the shell（1）It is socketed in middle seat（2）Outside, shell
（1）For the rectangle housing that lower end is opening, the sealant（8）It is fixed in shell（1）Opening, the pin
（4）It is fixed in pedestal（5）On, pin（4）With varistor（3）, gas-discharge tube（6）It is electrically connected, pin（4）Across sealing
Layer（8）.
2. a kind of anti-instant high-voltage device of circuit board according to claim 1, it is characterised in that：The filler material
（7）For quartz sand powder powder material or epoxy resin.
3. a kind of anti-instant high-voltage device of circuit board according to claim 1, it is characterised in that：The sealant
（8）It is made of epoxide resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721540605.5U CN207475189U (en) | 2017-11-17 | 2017-11-17 | A kind of anti-instant high-voltage device of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721540605.5U CN207475189U (en) | 2017-11-17 | 2017-11-17 | A kind of anti-instant high-voltage device of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475189U true CN207475189U (en) | 2018-06-08 |
Family
ID=62261172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721540605.5U Active CN207475189U (en) | 2017-11-17 | 2017-11-17 | A kind of anti-instant high-voltage device of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475189U (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 |
-
2017
- 2017-11-17 CN CN201721540605.5U patent/CN207475189U/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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