CN108648887A - A kind of anti-instant high-voltage device of low cost and its manufacturing process of circuit board - Google Patents
A kind of anti-instant high-voltage device of low cost and its manufacturing process of circuit board Download PDFInfo
- Publication number
- CN108648887A CN108648887A CN201810436757.3A CN201810436757A CN108648887A CN 108648887 A CN108648887 A CN 108648887A CN 201810436757 A CN201810436757 A CN 201810436757A CN 108648887 A CN108648887 A CN 108648887A
- Authority
- CN
- China
- Prior art keywords
- shell
- sealant
- varistor
- circuit board
- low cost
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/02—Apparatus or processes specially adapted for manufacturing resistors adapted for manufacturing resistors with envelope or housing
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses the anti-instant high-voltage devices of low cost and its manufacturing process of a kind of circuit board, including：Shell, varistor, sealant, it is characterised in that：The shell is ceramic shell, and it is opening that shell upper, which is sealing lower part, the sealant is fire-retardant sealant, sealant is fixed in outer casing underpart, the varistor setting is inside the housing, and the metal pins of varistor pass through sealant, the enclosure is full of flame-retardant filler, the filler material is quartz sand material, silica gel or epoxy resin, the upper seal of the shell is provided with through-hole, number of openings is multiple, the sealant top is provided with insulation board, the metal pins of the varistor pass through insulation board, sealant.The present invention has many advantages, such as that simple and compact for structure, safe, using effect is good.
Description
Technical field
The present invention relates to circuit board protector technical field, the anti-instant high-voltage of low cost of specially a kind of circuit board
Device and its manufacturing process.
Background technology
Circuit board makes circuit miniaturization, intuitiveization, and the batch production and optimization electrical appliance for permanent circuit are laid out lifting
It acts on.However it can be encountered in the actual use of circuit board and be struck by lightning or situations such as the electromagnetic induction of inductive element, 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 in use, the effect of protection is general, and be easy to cause the accidents such as explosive combustion, mainly varistor holds actual
It is easy to aging, after varistor ageing failure may burn, cause circuit board to be destroyed, and traditional protection mode is only
Varistor is protected using only soft rubber cover, poor effect.
Invention content
The purpose of the present invention is to provide the anti-instant high-voltage device of low cost and its manufacturing process of a kind of circuit board, with
Solve the problems mentioned above in the background art.
To achieve the above object, the present invention provides the following technical solutions：A kind of anti-instant high-voltage of low cost of circuit board
Device, including：Shell, varistor, sealant, it is characterised in that：The shell is ceramic shell, and shell upper is envelope
Mouth lower part is opening, and the sealant is fire-retardant sealant, and sealant is fixed in outer casing underpart, varistor setting
Inside the housing, and the metal pins of varistor pass through sealant.
Further, the enclosure is full of flame-retardant filler.
Further, the filler material is quartz sand material, silica gel, fire clay or epoxy resin.
Further, the upper seal of the shell is provided with through-hole, and number of openings is multiple.
Further, the sealant top is provided with insulation board, and the metal pins of the varistor pass through absolutely
Listrium, sealant.
A kind of manufacturing process of the anti-instant high-voltage device of low cost of circuit board, is as follows：
The first step selects mold that ceramic shell green body is put into oven and is toasted using mold manufacturing ceramic shell green body, makes
Ceramic shell is obtained, and product type is printed on the ceramic shell of completion；
The pin of varistor is passed through insulating trip, obtains internal component by second step；
Third walks, and the internal component of varistor is put into ceramic shell；
Assembled semi-finished product are put into dispensing fixture by the 4th step, and using serpentine mode dispensing, i.e. glue is in " S " in piece surface
Shape is coated with, and glue can be made to be evenly distributed in this way, appearance is also more preferable；
Part is placed on together with dispensing fixture on solidification frame, until glue curing by the 5th step.
Compared with prior art, the beneficial effects of the invention are as follows：The anti-instant high-voltage device of circuit board of the present invention uses
Varistor, the instant high-voltage of absorbing circuit, the shell of ceramic material have insulation, high temperature resistant and very strong flame retardant effect,
The filler material of quartz sand therein, silica gel, fire clay or epoxy resin, varistor is sealed, and prevents it from burning in use
Caused fire, through-hole can release internal pressure, and whole device is compact-sized, small, using effect is good.
The present invention has many advantages, such as that simple and compact for structure, safe, using effect is good.
Description of the drawings
Fig. 1 is overall structure of the present invention；
In figure：1- shells；2- varistors；3- insulation boards；4- sealants；5- filler materials；6- through-holes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of anti-instant high-voltage devices of low cost of circuit board, including：Shell 1,
Varistor 2, sealant 4, it is characterised in that：The shell 1 is ceramic shell, and it is to open that 1 top of shell, which is sealing lower part,
Mouthful, the sealant 4 is fire-retardant sealant, and sealant 4 is fixed in 1 lower part of shell, and the varistor 2 is arranged in shell
Inside 1, and the metal pins of varistor 2 pass through sealant 4.
Further, 1 inside of shell is full of flame-retardant filler 5.
Further, the filler material 5 is quartz sand material, silica gel, fire clay or epoxy resin.
Further, the upper seal of the shell 1 is provided with through-hole 6, and 6 quantity of through-hole is multiple.
Further, 4 top of sealant is provided with insulation board 3, and the metal pins of the varistor 2 pass through
Insulation board 3, sealant 4.
A kind of manufacturing process of the anti-instant high-voltage device of low cost of circuit board, it is characterised in that：Its specific steps is such as
Under：
The first step selects mold that ceramic shell green body is put into oven and is toasted using mold manufacturing ceramic shell green body, makes
Ceramic shell is obtained, and product type is printed on the ceramic shell of completion；
The pin of varistor is passed through insulating trip, obtains internal component by second step；
Third walks, and the internal component of varistor is put into ceramic shell；
Assembled semi-finished product are put into dispensing fixture by the 4th step, and using serpentine mode dispensing, i.e. glue is in " S " in piece surface
Shape is coated with, and glue can be made to be evenly distributed in this way, appearance is also more preferable；
Part is placed on together with dispensing fixture on solidification frame, until glue curing by the 5th step.
Operation principle：The anti-instant high-voltage device of circuit board of the present invention, using varistor, the moment of absorbing circuit is high
Voltage, the shell of ceramic material have insulation, high temperature resistant and very strong flame retardant effect, the filler material of quartz sand therein, silicon
Glue, fire clay or epoxy resin, varistor is sealed, and fire caused by preventing it from burning in use is not adding filling
Shell is provided with through-hole when material, and can release internal pressure, and whole device is compact-sized, small, using effect is good.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of anti-instant high-voltage device of low cost of circuit board, including：Shell（1）, varistor（2）, sealant（4）,
It is characterized in that：The shell（1）For ceramic shell, and shell（1）Top is that sealing lower part is opening, the sealant
（4）For fire-retardant sealant, sealant（4）It is fixed in shell（1）Lower part, the varistor（2）It is arranged in shell（1）It is interior
Portion, and varistor（2）Metal pins pass through sealant（4）.
2. a kind of anti-instant high-voltage device of low cost of circuit board according to claim 1, it is characterised in that：Described
Shell（1）Inside is full of flame-retardant filler（5）.
3. a kind of anti-instant high-voltage device of low cost of circuit board according to claim 2, it is characterised in that：Described
Filler material（5）For quartz sand material, Gui Jiao ﹑ thermal cements or epoxy resin.
4. a kind of anti-instant high-voltage device of low cost of circuit board according to claim 1, it is characterised in that：Described
Sealant（4）Top is provided with insulation board（3）, the varistor（2）Metal pins pass through insulation board（3）, sealant
（4）.
5. a kind of anti-instant high-voltage device of low cost of circuit board according to claim 1 or 4, it is characterised in that：Institute
The shell stated（1）Upper seal be provided with through-hole（6）, through-hole（6）Quantity is multiple.
6. a kind of manufacturing process of the anti-instant high-voltage device of low cost of circuit board, is as follows：
The first step selects mold that ceramic shell green body is put into oven and is toasted using mold manufacturing ceramic shell green body, makes
Ceramic shell is obtained, and product type is printed on the ceramic shell of completion；
The pin of varistor is passed through insulating trip, obtains internal component by second step；
Third walks, and the internal component of varistor is put into ceramic shell；
Assembled semi-finished product are put into dispensing fixture by the 4th step, and using serpentine mode dispensing, i.e. glue is in " S " in piece surface
Shape is coated with, and glue can be made to be evenly distributed in this way, appearance is also more preferable；
Part is placed on together with dispensing fixture on solidification frame, until glue curing by the 5th step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436757.3A CN108648887A (en) | 2018-05-09 | 2018-05-09 | A kind of anti-instant high-voltage device of low cost and its manufacturing process of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436757.3A CN108648887A (en) | 2018-05-09 | 2018-05-09 | A kind of anti-instant high-voltage device of low cost and its manufacturing process of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108648887A true CN108648887A (en) | 2018-10-12 |
Family
ID=63753862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810436757.3A Pending CN108648887A (en) | 2018-05-09 | 2018-05-09 | A kind of anti-instant high-voltage device of low cost and its manufacturing process of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108648887A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102836806A (en) * | 2012-09-06 | 2012-12-26 | 河海大学常州校区 | Device and method for following and controlling glue quantity of intelligent five-axis linkage numerical control AB dispenser |
| CN104166253A (en) * | 2014-08-12 | 2014-11-26 | 深圳市宇顺电子股份有限公司 | Method for processing welding points in LCD module |
| CN206711515U (en) * | 2017-03-31 | 2017-12-05 | 深圳路迪网络有限公司 | LED display |
| CN107946289A (en) * | 2017-12-23 | 2018-04-20 | 惠州市三特电器有限公司 | A kind of inexpensive anti-instant high-voltage device of circuit board |
-
2018
- 2018-05-09 CN CN201810436757.3A patent/CN108648887A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102836806A (en) * | 2012-09-06 | 2012-12-26 | 河海大学常州校区 | Device and method for following and controlling glue quantity of intelligent five-axis linkage numerical control AB dispenser |
| CN104166253A (en) * | 2014-08-12 | 2014-11-26 | 深圳市宇顺电子股份有限公司 | Method for processing welding points in LCD module |
| CN206711515U (en) * | 2017-03-31 | 2017-12-05 | 深圳路迪网络有限公司 | LED display |
| CN107946289A (en) * | 2017-12-23 | 2018-04-20 | 惠州市三特电器有限公司 | A kind of inexpensive anti-instant high-voltage device of circuit board |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181012 |