CN102496536A - Explosion-proof fuse and method for manufacturing same - Google Patents
Explosion-proof fuse and method for manufacturing same Download PDFInfo
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- CN102496536A CN102496536A CN2011104436355A CN201110443635A CN102496536A CN 102496536 A CN102496536 A CN 102496536A CN 2011104436355 A CN2011104436355 A CN 2011104436355A CN 201110443635 A CN201110443635 A CN 201110443635A CN 102496536 A CN102496536 A CN 102496536A
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- fuse
- explosion
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- pin
- upper shell
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Abstract
The invention discloses an explosion-proof fuse and a method for manufacturing the same. The explosion-proof fuse comprises a shell, a tube, a fuse wire and pins, wherein clamping holes are formed in two ends of the shell; the fuse wire is arranged in the tube; the pins are respectively connected to two ends of the fuse wire and fixedly clamped in the clamping holes; an opening is formed in the sidewall of the shell; and the tube is clamped in the shell. The pins and the fuse wire are combined in a resistance welding or laser welding mode and arranged in the shell which is made of a plastic material, and the fuse wire is arranged in the tube, so that a soldering process is eliminated, the explosion-proof fuse meets a requirement of environment friendliness, and is high in production efficiency and stable in performance, and the tube cannot be burst and spattered when a circuit is short-circuited. By adoption of the method for manufacturing the explosion-proof fuse, the fuse wire and the pins are directly lapped, so that welding middle processes are eliminated, the flow is simple, and the cost is reduced.
Description
Technical field
The present invention relates to the line protective devices in a kind of electric, electronic equipment, especially relate to a kind of explosion-proof fuse and manufacturing approach thereof.
Background technology
The traditional insurance silk generally is used for electronic product, via through fuse pass through electric current excessive, fuse thereby fusing avoid circuit that danger such as thermal ignition took place, purpose is protecting people and equipment not to damage because of overcurrent, even breaking out of fire.Moreover along with electric equipment is compact, function becomes increasingly complex at present; The part that needs is more and more; Circuit and electronic component on the circuit board are also more and more intensive, so the circuit of circuit substrate trends towards miniaturization, the electronic component microminiaturization has been the normality method for using; It can make the part of circuit board comparatively intensive, and greater functionality is placed on the printed circuit board (PCB) of same area.
Yet, existing fuse manufacture method, as shown in Figure 5; This fuse is provided with explosion stack, and this fuse uses hot blast, flame to carry out scolding tin, and tin point tin liquor 100 surface natures are to lower recess in the explosion stack; Fuse 200 can not pass through the 100 direct joinings of tin point tin liquor with pin 300, must be in the explosion stack end the sheathed first bronze medal cap 400 and the second bronze medal cap 500, repeatedly tin sticky melting welding; Do not have the good location design again, make this fuse form unsettled protective effect, so this fuse stability is not good; It is high again to make difficult cost, uses the waste material and the energy, and it is high to produce disqualification rate.
And being connected of fuse and pin relies on leaded scolding tin welding, and can cause severe contamination as the lead of heavy metal to biological environment has been undisputable fact, has received the environmental protection admittance restriction of developed country.The first bronze medal cap of using in this fuse and the second bronze medal cap must can use through electroplating processes earlier, and the process of plating is the process of harm biological environment equally.
Simultaneously, general electronic circuit is the one side that part is placed in circuit board, and the fuse pin is welded on the another side of circuit board; The solder joint operation of this kind processing pin lets the pin of fuse and fuse that small peeling off takes place easily, because outward appearance is normal; Be not easy to detect the small of internal fuse and pin and peel off, cause secondary melting welding, so let and pass through greater than the maximum electric current that uses of normal rating and produce localized hyperthermia; Make it be not sure of the maximum electric current that uses of normal rating; And make expensive device impaired, burn, the generation of injury or peril etc., so protection not exclusively, can not be satisfied the demand on the market.
Summary of the invention
The present invention be directed to that the defective that above-mentioned background technology exists provides a kind of compliance with environmental protection requirements, cost is less, production efficiency is high, stable performance and body can explosion splash when short circuit explosion-proof fuse and manufacturing approach thereof.
For realizing above-mentioned purpose; The invention discloses a kind of explosion-proof fuse, it comprises housing, body, fuse and pin, and said housing two ends offer holding hole; Said fuse is arranged in the said body; Said pin is connected to said fuse two ends and is immobilizated in the said holding hole, and said housing sidewall offers perforate, and said body holds and is contained in the said housing.
Further, said housing is the plastic cement material manufacturing.
Further; Said housing comprises lower house and upper shell; Said lower house docks applying with said upper shell; Said lower house and said upper shell enclose the formation receiving space, and said perforate and said holding hole are communicated with said receiving space respectively, and said body holds and is contained in the said receiving space.
Further; The two ends, a side that said lower house correspondence fits in said upper shell are provided with first and hold the projection and first support slot; The two ends, a side that said upper shell correspondence fits in said lower house are provided with second and hold the projection and second support slot; Said first holds projection engages with said second support slot each other, and said second holds projection engages with said first support slot each other.
Further, said lower house adopts the ultrasonic bonding mode to dock applying with said upper shell.
Further, said pin adopts resistance welded with said fuse or the laser welding mode is fastening combines.
Further, said body is the glass tube or the earthenware of both ends open.
The invention discloses a kind of manufacturing approach of explosion-proof fuse, may further comprise the steps:
(A) with said fuse and said pin through resistance welded or the laser welding mode is fastening combines;
(B) fuse with fastening combination pin passes said body, said body is held to be contained in the said receiving space again, and said pincard is held in the said holding hole;
(C) with said upper shell and said lower house through the closed butt joint of ultrasonic bonding mode.
In sum; A kind of explosion-proof fuse of the present invention through resistance welded or laser welding mode with pin and fuse incorporates; And place in the housing of plastic cement material manufacturing; Cooperation is arranged at fuse in the body, has avoided soldering tin technique, compliance with environmental protection requirements, production efficiency are high, stable performance and when short circuit body can explosion not splash; The manufacturing approach of a kind of explosion-proof fuse of the present invention is utilized the direct joining of fuse and pin, has reduced the middle operation of welding, and flow process is simple, and cost reduces.
Description of drawings
Fig. 1 is the stereogram of the embodiment of the invention.
Fig. 2 is an exploded view of the present invention shown in Figure 1.
Fig. 3 is the stereogram of housing of the present invention shown in Figure 1.
Fig. 4 is the stereogram that the present invention shown in Figure 1 hides upper shell.
Fig. 5 is the generalized section of existing fuse.
Embodiment
For further understanding characteristic of the present invention, technological means and the specific purposes that reached, function, the present invention is described in further detail below in conjunction with accompanying drawing and embodiment.
Extremely shown in Figure 4 like Fig. 1; A kind of explosion-proof fuse of the present invention comprises housing 10, body 20, fuse 30 and pin 40; Rectangular-shaped or the cylindrical shape structure that said housing 10 is made for plastic cement material, said housing 10 sidewalls offer perforate 11, and said housing 10 two ends offer holding hole 12.Said housing 10 comprises lower house 13 and upper shell 14; Said lower house 13 docks applying with said upper shell 14 through the ultrasonic bonding mode; Said lower house 13 encloses with said upper shell 14 and forms receiving space 15, and said perforate 11 and said holding hole 12 are communicated with said receiving space 15 respectively; The two ends, a side that said lower house 13 correspondences fit in said upper shell 14 are provided with first and hold the projection 16 and first support slot 17; The two ends, a side that said upper shell 14 correspondences fit in said lower house 13 are provided with second and hold projection (figure does not show) and second support slot (figure does not show); Said first holds projection 16 engages with said second support slot each other, and said second holds projection engages with said first support slot 17 each other.
Said body 20 holds and is contained in the said receiving space 15, and said body 20 is the glass tube or the earthenware of both ends open, but said body 20 inside holding sandstone materials, to increase the explosion-proof performance of said body.
Said fuse 30 is arranged at the center of said body 20, and said pin 40 is connected to said fuse 30 two ends and is immobilizated in the said holding hole 12, and said pin 40 and said fuse 30 are through resistance welded or the laser welding mode is fastening combines.
The manufacturing approach of the explosion-proof fuse of the present invention may further comprise the steps:
(A) with said fuse 30 and said pin 40 through resistance welded or the laser welding mode is fastening combines;
(B) fuse 30 with fastening combination pin 40 passes said body 20, said body 20 is held to be contained in the said receiving space 15 again, and said pin 40 is fastened in the said holding hole 12;
(C) with said upper shell 14 and said lower house 13 through the closed butt joint of ultrasonic bonding mode.
The manufacturing approach of the explosion-proof fuse of the present invention adopts the direct joining of fuse 30 and pin 40, has reduced the middle operation of welding, and flow process is simple, and cost reduces, and utilizes resistance welded or laser welding mode to avoid the generation of rosin joint phenomenon simultaneously.During the intensive circuit board of the explosion-proof fuse place in circuit of the present invention, because the plastic cement material characteristic of said housing 10, guaranteed being electrically insulated of element on the present invention and the circuit board, prevented that the present invention is connected with the unnecessary conducting of other elements and the damage that causes.Simultaneously; When short circuit phenomenon appears in electronic circuit; Fuse 30 can melt and become gas rapidly, flows out through the perforate 11 of said housing 10, and the atmospheric pressure that fuse 30 fusings produce is intercepted by said body 20 and housing 10; Explosion-proof performance of the present invention improves, and the specified maximum electric current that uses that makes said fuse 30 bear increases.
In sum; A kind of explosion-proof fuse of the present invention combines pin 40 through resistance welded or laser welding mode with fuse 30; And place in the housing 10 of plastic cement material manufacturing; Cooperation is arranged at body 20 centers with fuse 30, has avoided soldering tin technique, compliance with environmental protection requirements, production efficiency are high, stable performance and when short circuit body can explosion not splash; The manufacturing approach of a kind of explosion-proof fuse of the present invention is utilized the direct joining of fuse 30 and pin 40, has reduced the middle operation of welding, and flow process is simple, and cost reduces.
The above embodiment has only expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as limitation of the scope of the invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with accompanying claims.
Claims (8)
1. explosion-proof fuse; Comprise housing (10), body (20), fuse (30) and pin (40); Said housing (10) two ends offer holding hole (12); Said fuse (30) is arranged in the said body (20); Said pin (40) is connected to said fuse (30) two ends and is immobilizated in the said holding hole (12), it is characterized in that: said housing (10) sidewall offers perforate (11), and said body (20) holds and is contained in the said housing (10).
2. a kind of explosion-proof fuse according to claim 1 is characterized in that: said housing (10) is the plastic cement material manufacturing.
3. a kind of explosion-proof fuse according to claim 1; It is characterized in that: said housing (10) comprises lower house (13) and upper shell (14); Said lower house (13) docks applying with said upper shell (14); Said lower house (13) encloses with said upper shell (14) and forms receiving space (15); Said perforate (11) and said holding hole (12) are communicated with said receiving space (15) respectively, and said body (20) holds and is contained in the said receiving space (15).
4. a kind of explosion-proof fuse according to claim 3; It is characterized in that: the two ends, a side that said lower house (13) correspondence fits in said upper shell (14) are provided with first and hold projection (16) and first support slot (17); The two ends, a side that said upper shell (14) correspondence fits in said lower house (13) are provided with second and hold the projection and second support slot; Said first holds projection (16) engages with said second support slot each other, and said second holds projection engages with said first support slot (17) each other.
5. a kind of explosion-proof fuse according to claim 3 is characterized in that: said lower house (13) adopts the ultrasonic bonding mode to dock applying with said upper shell (14).
6. a kind of explosion-proof fuse according to claim 1 is characterized in that: said pin (40) and said fuse (30) adopt resistance welded or the laser welding mode is fastening combines.
7. a kind of explosion-proof fuse according to claim 1 is characterized in that: said body (20) is the glass tube of both ends open or earthenware.
8. according to the manufacturing approach of the described a kind of explosion-proof fuse of claim 1 ~ 7, it is characterized in that, may further comprise the steps:
(A) with said fuse 30 and said pin 40 through resistance welded or the laser welding mode is fastening combines;
(B) fuse 30 with fastening combination pin 40 passes said body 20, said body 20 is held to be contained in the said receiving space 15 again, and said pin 40 is fastened in the said holding hole 12;
(C) with said upper shell 14 and said lower house 13 through the closed butt joint of ultrasonic bonding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104436355A CN102496536A (en) | 2011-12-27 | 2011-12-27 | Explosion-proof fuse and method for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104436355A CN102496536A (en) | 2011-12-27 | 2011-12-27 | Explosion-proof fuse and method for manufacturing same |
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| Publication Number | Publication Date |
|---|---|
| CN102496536A true CN102496536A (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104436355A Pending CN102496536A (en) | 2011-12-27 | 2011-12-27 | Explosion-proof fuse and method for manufacturing same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI574292B (en) * | 2015-08-21 | 2017-03-11 | Ching Ho Li | Surface adhesion type fuse and manufacturing method thereof |
| CN112885653A (en) * | 2021-01-13 | 2021-06-01 | 东莞市贝特电子科技股份有限公司 | Fuse and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327250A (en) * | 2000-06-07 | 2001-12-19 | 三柱利特尔保险丝株式会社 | High voltage fuse module of microwave oven and its producing method |
| CN1501421A (en) * | 2002-11-19 | 2004-06-02 | 比亚迪股份有限公司 | Alloy type temperature fuse and method for manufacturing the same |
| EP2040281A2 (en) * | 2007-09-20 | 2009-03-25 | Nippon Seisen Cable, Ltd. | Surface-mount current fuse |
| KR200455204Y1 (en) * | 2010-04-19 | 2011-08-23 | 오리셀 주식회사 | Housing device for high voltage fuse |
| CN202384285U (en) * | 2011-12-27 | 2012-08-15 | 东莞市贝特电子科技有限公司 | Anti-explosion fuse |
-
2011
- 2011-12-27 CN CN2011104436355A patent/CN102496536A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327250A (en) * | 2000-06-07 | 2001-12-19 | 三柱利特尔保险丝株式会社 | High voltage fuse module of microwave oven and its producing method |
| CN1501421A (en) * | 2002-11-19 | 2004-06-02 | 比亚迪股份有限公司 | Alloy type temperature fuse and method for manufacturing the same |
| EP2040281A2 (en) * | 2007-09-20 | 2009-03-25 | Nippon Seisen Cable, Ltd. | Surface-mount current fuse |
| KR200455204Y1 (en) * | 2010-04-19 | 2011-08-23 | 오리셀 주식회사 | Housing device for high voltage fuse |
| CN202384285U (en) * | 2011-12-27 | 2012-08-15 | 东莞市贝特电子科技有限公司 | Anti-explosion fuse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI574292B (en) * | 2015-08-21 | 2017-03-11 | Ching Ho Li | Surface adhesion type fuse and manufacturing method thereof |
| CN112885653A (en) * | 2021-01-13 | 2021-06-01 | 东莞市贝特电子科技股份有限公司 | Fuse and manufacturing method thereof |
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Application publication date: 20120613 |