CN100365743C - Electronic component possessing fire retardant function - Google Patents
Electronic component possessing fire retardant function Download PDFInfo
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- CN100365743C CN100365743C CNB2005100216312A CN200510021631A CN100365743C CN 100365743 C CN100365743 C CN 100365743C CN B2005100216312 A CNB2005100216312 A CN B2005100216312A CN 200510021631 A CN200510021631 A CN 200510021631A CN 100365743 C CN100365743 C CN 100365743C
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Abstract
The present invention relates to an electronic component which is provided with a casing and a main body of the electronic component, wherein the main body of the electronic component is arranged in the casing, and the main body of the electronic component is provided with an extraction electrode which extends outside the casing. A gap is formed between the inner wall of the casing and the outer wall of the main body of the electronic component, which forms a containing cavity; an exhaust port of the containing cavity, which causes the containing cavity to be communicated with the exterior of the casing is arranged on the casing. The present invention is characterized in that an insulating ventilated non-flammable fire filtering layer and a hollow cavity are arranged in the containing cavity, wherein the insulating ventilated non-flammable fire filtering layer is positioned between the exhaust port of the containing cavity and the outer wall of the main body of the electronic component, and the hollow cavity is surrounded by the outer wall of the main body of the electronic component, the inner wall of the casing and the insulating ventilated non-flammable fire filtering layer. The present invention further avoids the breakage caused by the explosion of the main body of the electronic component, prevents the burning accidents of electric appliances caused by rupture of the casing and overflow of comburents, and can simplify manufacturing process of products; the present invention is favorable for reducing manufacturing cost of the products.
Description
Technical field
The present invention relates to a kind of electronic component.
Background technology
More existing electronic components as the capacitor (being commonly called as middle and high piezoelectricity container) that uses in piezo-resistance, thermistor, the electric power loop, protective tube or the like, when the curtage in the circuit surpasses its tolerance, the puncture short phenomenon can occur.In side circuit, transient energy is very big during short circuit, and the punch through damage place can produce localized hyperthermia, and the overcoat that above-mentioned electronic component outside is sealed bursts even ignites, and might cause electric equipment on fire when serious.
At this potential safety hazard, there have been some technical measures to be used to prevent the generation of accident on fire.For example, the applicant once disclosed a kind of varistor with anti-flaming function in Chinese utility model patent ZL200420033754.9 number, this varistor has insulation shell and is encapsulated in the interior piezo-resistance main body of insulation shell, the extraction electrode of piezo-resistance main body extends to outside the insulation shell, it is characterized in that having the gap and constituting airtight powder accommodation cavity between the outer wall of the inwall of insulation shell and piezo-resistance main body, in powder accommodation cavity, be filled with insulation and do not fire powder and constitute powder bed is not fired in the insulation of piezo-resistance main body parcel.But the technical scheme that this patent provides is extremely simple effective, it has solved the technical barrier that exists in varistor manufacturing field for a long time, the manufacturing cost of product increases few, can prevent effectively because the electrical equipment pyrophoricity accident that arc discharge causes, and can alleviate of the transmission of high heat to shell, alleviate electronic component and burst the destruction of generation, the user also can make it and the supporting use of available circuit plate easily.In addition, in above-mentioned patent, give the further improvement project that pore is set on the shell wall of housing, so that when the piezo-resistance puncture short, in time discharge the hot gas that generates in the housing, like this, even adopt thin or the lower housing of intensity, also can avoid housing when the piezo-resistance puncture short, to occur bursting, thereby help reducing the cost of manufacture of product as far as possible.
Though the given technical scheme of above-mentioned patent has plurality of advantages, and can easily this scheme be diverted among the manufacturing and protection of electronic components such as thermistor, capacitor, protective tube, but, recent studies show that, can also the technical scheme of above-mentioned patent be optimized, thus the destruction that can avoid electronic component when puncture short, to produce further, and can simplify the structure of product, correspondingly simplify the manufacturing process of product, reduce the cost of manufacture of product.
Summary of the invention
Purpose of the present invention promptly is that the structure of above-mentioned existing electronic component is improved, and a kind of electronic component with anti-flaming function is provided, the destruction that produces when avoiding the electronic component puncture short further, and simplify the structure of product.
Electronic component of the present invention has housing and is contained in the interior electronic element of housing, described electronic element has the extraction electrode that extends to outside the housing, have the gap and constitute container cavity between the inwall of described housing and the outer wall of electronic element, on described housing, offer the container cavity exhaust outlet that container cavity is connected with outside, it is characterized in that in described container cavity, being provided with ventilative filter fire bed and the cavity of not firing of insulation, the ventilative filter fire bed that do not fire of described insulation is between the outer wall of container cavity exhaust outlet and electronic element, and described cavity is by the outer wall of electronic element, the ventilative filter fire bed corral that do not fire of the inwall of housing and insulation forms.
In the present invention, said electronic element can be piezo-resistance body, thermistor body, capacitor body, protective tube body or the like, it also can be the assembly of variety classes electronic element, as the assembly that is made of jointly piezo-resistance body and thermistor body, this combined electronic element still has the extraction electrode that extends to outside the housing.
In the present invention, the ventilative filter fire bed that do not fire of said insulation can be made of single material, also can be made of the fiery structure of ventilative filter.
When adopting single material, the ventilative filter fire bed that do not fire of this insulation can be various ventilative and insulation, incombustible material layer or insulation fireproof fibre layers.When constituting by single material that insulation is ventilative does not fire the filter fire bed, can this be fixed in the housing by the ventilative filter fire bed that do not fire of insulation that single material constitutes by bonding or position limiting structure fixed forms such as (as limited step or spacing preiections) is set.In the present invention, said insulation fireproof fibre is fiber non-conductive and that can not burn, as fire resistance fibres such as common and inexpensive asbestos fibre or alumina silicate fibre, alumina fibre, silicon dioxide fibre, glass fibre or the like.This insulation fireproof fibre both can be thread, also can be cotton-shaped, can also be the insulation fireproof fibre fabric that is woven into netted or other shape.
When adopting that the insulation that is made of the fiery structure of ventilative filter is ventilative does not fire the filter fire bed, should multiple version can be arranged the fiery structure of ventilative filter, its version comparatively simple and that be easy to realize is: allowing the ventilative filter fire bed that do not fire of insulation not fire packing layer by spacer and insulation and constitute, on described spacer, offer the pore that described cavity is connected with described container cavity exhaust outlet, allow described insulation not fire packing layer between spacer and container cavity exhaust outlet, allow described spacer not fire between the outer wall of packing layer and electronic element in insulation.
At this moment, above-mentioned insulation is not fired packing layer and can be made of the insulation fireproof fibre, can not fire powder by insulation yet and constitutes.When adopting the insulation of insulation fireproof fibre formation not fire packing layer, employed insulation fireproof fibre still can be asbestos fibre or alumina silicate fibre etc.When adopting insulation not fire powder to constitute insulation and do not fire packing layer, it then can be quartz sand or mica powder, alumina powder, flake asbestos or the like that powder is not fired in employed insulation.
Need to prove: have the spacer of perforate and insulation when not firing that insulation that packing layer combines is ventilative does not fire the filter fire bed in employing, this insulation is ventilative, and not fire the outer wall towards electronic element of filter fire bed just comparatively firm, spacer has played ventilative and supporting role, the effect that packing layer has then played the filter fire is not fired in insulation, simultaneously, not fire the operable fire proofing material of packing layer just more extensive in this insulation.
In the present invention, the ventilative filter fire bed that do not fire of set insulation can contact with the outer wall of electronic element partly, but also can not contact with the outer wall of electronic element fully.A kind of single material constitutes when insulation is ventilative does not fire the filter fire bed before employing, can utilize location structure, be fixed in the container cavity as the screw made by plastic material or clamp, hook etc. the single materials such as fireproof fibre layer that will insulate, also can adopt the bonding way single materials such as fireproof fibre layer that will insulate to be fixed in the container cavity.
In the present invention, above-mentioned insulation is ventilative does not fire the filter fire bed owing to be provided with, and can stop combustible object hot gas excessive and that produce during with the electronic element short circuit to be discharged effectively, delays heat transmission, and the fire-proof and thermal-insulation effect is more outstanding.The insulation of setting of the present invention is ventilative does not fire the filter fire bed and can also be fixed on each position in the container cavity according to concrete operating position, if can be between the outer wall of container cavity exhaust outlet and electronic element partition.Like this, ventilative structure and the form of not firing the filter fire bed of this insulation just can be varied, and might further simplify the structure of electronic element products, correspondingly simplifies the manufacturing process of product, reduces the cost of manufacture of product.
In the present invention, being provided with ventilative combustion of insulating in the container cavity filters fire bed and filters the cavity that the fire bed corral forms by the outer wall of electronic element, the inwall and ventilative combustion of insulation of housing, it may occur in the time of cutting off the electronic element puncture short effectively bursts energy, and the fragment that produces can hold body and burst the time.The kinetic energy that electronic element bursts can not be directly delivered to housing because no solid is made medium, and set cavity is between the inwall of the outer wall of electronic element and housing, and this cavity can cut off the transmission of kinetic energy, avoids housing direct stressed and break.Also it should be noted that: in the moment of the breakdown short circuit of electronic element, in above-mentioned cavity, might produce arc discharge, but, can not produce harm to external world owing to just produce arc discharge in enclosure interior.Certainly, in order to reduce the generation of arc discharge, can also be in the time of necessary at some insulation of outer wall liner of electronic element and the flaky material that does not fire, as mica sheet or other insulation and incombustible fiber as lining body layer.
Through actual verification, but technical scheme of the present invention is extremely simple effective, it has cushioned the transmission of kinetic energy to shell effectively, further avoided electronic element to burst the destruction of generation, prevented that housing from breaking, the excessive electrical equipment pyrophoricity accident that causes of comburant, and make that ventilative structure and the form of not firing the filter fire bed of insulation can be varied in the electronic component, and provide condition for the structure of further simplifying electronic element products, correspondingly simplify the manufacturing process of product, helped reducing the cost of manufacture of product.
Content of the present invention further illustrates with the following Examples, but content of the present invention is not limited only to content related among the embodiment.
Description of drawings
Fig. 1 is the structural representation of electronic component among the embodiment 1.
Fig. 2 is the A--A cutaway view of Fig. 1.
Fig. 3 is the B--B cutaway view of Fig. 1.
Fig. 4 is the C--C cutaway view of Fig. 1.
Fig. 5 is the structural representation of electronic component among the embodiment 2.
Fig. 6 is the D--D cutaway view of Fig. 5.
Fig. 7 is the structural representation of electronic component among the embodiment 3.
Fig. 8 is the E--E cutaway view of Fig. 7.
Embodiment
Embodiment 1: shown in Fig. 1～4,
Electronic component in the present embodiment has housing 1 and the electronic element 2 that is contained in the housing 1, described electronic element 2 has the extraction electrode 3 that extends to outside the housing, have the gap between the outer wall of the inwall of described housing 1 and electronic element 2 and constitute container cavity, on described housing 1, offer the container cavity exhaust outlet 4 that container cavity is connected with outside, it is characterized in that in described container cavity, being provided with ventilative filter fire bed and the cavity 5 of not firing of insulation, the ventilative filter fire bed that do not fire of described insulation is between the outer wall of container cavity exhaust outlet 4 and electronic element 2, and described cavity 5 is by the outer wall of electronic element 2, the ventilative filter fire bed corral that do not fire of the inwall of housing 1 and insulation forms.
In the present embodiment, the ventilative filter fire bed that do not fire of above-mentioned insulation is made of insulation fireproof fibre layer 6.Herein, by bonding this simple fixed form (insulation fireproof fibre layer 6 is sticked on the housing madial wall), be fixed in the housing thereby will be somebody's turn to do the ventilative filter fire bed that do not fire of the insulation that constitutes by single material.Certainly, also can adopt position limiting structure modes such as (as limited step or spacing preiection are set in inner walls) ventilative the fixing of filter fire bed that do not fire of realizing insulating is set.
With regard to present embodiment, above-mentioned insulation fireproof fibre layer 6 is the asbestos fibre layer.Certainly, also can simply above-mentioned asbestos fibre layer be replaced by the alumina silicate fibre layer, promptly allow the insulation fireproof fibre layer be the alumina silicate fibre layer, thereby constitute another embodiment.
The ventilative filter fire bed that do not fire of insulation set in the present embodiment contacts with the outer wall top of electronic element 2, i.e. the ventilative filter fire bed that do not fire of insulation contacts with the outer wall of electronic element 2 partly.
Embodiment 2: shown in Fig. 5,6, electronic component in the present embodiment is similar to embodiment 1, different is: the ventilative filter fire bed that do not fire of above-mentioned insulation does not fire packing layer 8 by spacer 7 and insulation and constitutes in the present embodiment, offer the pore 9 that cavity 5 is connected with container cavity exhaust outlet 4 on this spacer 7, wherein, described insulation is not fired packing layer 8 between spacer 7 and container cavity exhaust outlet 4, and described spacer 7 does not fire between the outer wall of packing layer and electronic element 2 in insulation.In addition, in the present embodiment, the ventilative filter fire bed that do not fire of set insulation does not contact with the outer wall of electronic element 2 fully.
In addition, the electronic element in the present embodiment 2 is the thermistor body.Certainly, also can easily this thermistor body be replaced with piezo-resistance body or electric capacity body, protective tube body or the like, it can also be replaced with the assembly of variety classes electronic element, as assembly of constituting jointly by piezo-resistance body and thermistor body or the like, thereby constitute new embodiment.
In the present embodiment, above-mentioned insulation is not fired packing layer 8 and is made of the insulation fireproof fibre, and simultaneously, described insulation fireproof fibre is an asbestos fibre.
Certainly, also can carry out simple substitution, promptly allow the described insulation fireproof fibre be alumina silicate fibre.Thereby constitute another embodiment.
Embodiment 3: shown in Fig. 7,8, the electronic component in the present embodiment is similar to embodiment 2, and different is: the insulation in the present embodiment is not fired packing layer 8 and is not fired powder and constituted by insulation, and simultaneously, it is quartz sand that powder is not fired in described insulation.Advantage inexpensive, good flame retardation effect that the quartz sand layer that is adopted has.
In addition, the electronic element in the present embodiment 2 is the electric capacity body.Certainly, also can easily this electric capacity body be replaced with piezo-resistance body or thermistor body, protective tube body or the like, it can also be replaced with the assembly of variety classes electronic element, as assembly of constituting jointly by piezo-resistance body and thermistor body or the like, thereby constitute new embodiment.
In like manner, also can carry out simple substitution, promptly allowing described insulation not fire powder is the alundum (Al powder, thereby constitutes another embodiment.
Claims (10)
1. electronic component with anti-flaming function, have housing and be contained in the interior electronic element of housing, described electronic element has the extraction electrode that extends to outside the housing, have the gap and constitute container cavity between the inwall of described housing and the outer wall of electronic element, on described housing, offer the container cavity exhaust outlet that container cavity is connected with outside, it is characterized in that in described container cavity, being provided with ventilative filter fire bed and the cavity of not firing of insulation, the ventilative filter fire bed that do not fire of described insulation is between the outer wall of container cavity exhaust outlet and electronic element, and described cavity is by the outer wall of electronic element, the ventilative filter fire bed corral that do not fire of the inwall of housing and insulation forms.
2. electronic component as claimed in claim 1 is characterized in that the ventilative filter fire bed that do not fire of described insulation is made of insulation fireproof fibre layer.
3. electronic component as claimed in claim 2 is characterized in that described insulation fireproof fibre layer is the asbestos fibre layer.
4. electronic component as claimed in claim 2 is characterized in that described insulation fireproof fibre layer is the alumina silicate fibre layer.
5. electronic component as claimed in claim 1, it is characterized in that the ventilative filter fire bed that do not fire of described insulation does not fire packing layer by spacer and insulation and constitutes, on described spacer, offer the pore that described cavity is connected with described container cavity exhaust outlet, described insulation is not fired packing layer between spacer and container cavity exhaust outlet, and described spacer does not fire between the outer wall of packing layer and electronic element in insulation.
6. electronic component as claimed in claim 5, it is characterized in that described insulation do not fire packing layer by the insulation fireproof fibre constitute.
7. electronic component as claimed in claim 6 is characterized in that described insulation fireproof fibre is an asbestos fibre.
8. electronic component as claimed in claim 6 is characterized in that described insulation fireproof fibre is an alumina silicate fibre.
9. electronic component as claimed in claim 5 is characterized in that described insulation do not fire packing layer and do not fired powder and constituted by insulation.
10. electronic component as claimed in claim 9 is characterized in that it is quartz sand that powder is not fired in described insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100216312A CN100365743C (en) | 2005-09-07 | 2005-09-07 | Electronic component possessing fire retardant function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100216312A CN100365743C (en) | 2005-09-07 | 2005-09-07 | Electronic component possessing fire retardant function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1760998A CN1760998A (en) | 2006-04-19 |
| CN100365743C true CN100365743C (en) | 2008-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100216312A Active CN100365743C (en) | 2005-09-07 | 2005-09-07 | Electronic component possessing fire retardant function |
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| CN (1) | CN100365743C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090094783A1 (en) * | 2007-10-11 | 2009-04-16 | Dudderar Raymond P | Fiberglass cloth tape laminated fiberboard barrier |
| CN106976648B (en) * | 2017-05-17 | 2021-07-02 | 李天俊 | Electronic component packaging unit |
| CN111010836A (en) * | 2019-12-05 | 2020-04-14 | 西安双德喜信息科技有限公司 | Electronic component with flame retardant function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06120093A (en) * | 1992-01-27 | 1994-04-28 | Nichicon Corp | Electrolytic capacitor |
| JPH0883737A (en) * | 1994-09-12 | 1996-03-26 | Marcon Electron Co Ltd | Electrolytic capacitor |
| CN2681296Y (en) * | 2004-01-26 | 2005-02-23 | 深圳市辰驹电子科技有限公司 | Flame-proof packaging arrangement for piezoresistor |
| CN2706839Y (en) * | 2004-05-28 | 2005-06-29 | 李炬 | Varistor with arc-extinguishing fire-resistance function |
-
2005
- 2005-09-07 CN CNB2005100216312A patent/CN100365743C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06120093A (en) * | 1992-01-27 | 1994-04-28 | Nichicon Corp | Electrolytic capacitor |
| JPH0883737A (en) * | 1994-09-12 | 1996-03-26 | Marcon Electron Co Ltd | Electrolytic capacitor |
| CN2681296Y (en) * | 2004-01-26 | 2005-02-23 | 深圳市辰驹电子科技有限公司 | Flame-proof packaging arrangement for piezoresistor |
| CN2706839Y (en) * | 2004-05-28 | 2005-06-29 | 李炬 | Varistor with arc-extinguishing fire-resistance function |
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| Publication number | Publication date |
|---|---|
| CN1760998A (en) | 2006-04-19 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Cheng Du Assignor: Li Ju|Tan Yicheng|Jing Lvwei Contract record no.: 2010510000052 Denomination of invention: Electronic component possessing fire retardant function Granted publication date: 20080130 License type: Exclusive License Open date: 20060419 Record date: 20100721 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160126 Address after: 611743 Sichuan province Pixian Chengdu modern industrial port area North Road No. 733 Patentee after: Tieda Electronic Co., Ltd., Chengdu Address before: 610081, 2, West China Garden, No. 32, Ma on North Road, Sichuan, Nanyuan, 12, Chengdu Patentee before: Li Ju Patentee before: Jing Lvwei Patentee before: Tan Yicheng |
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| CP03 | Change of name, title or address |
Address after: 610000 Sichuan province Chengdu city Chengdu district modern PI Du Industrial Area North Port Road No. 733 Patentee after: Chengdu Tieda electronic Limited by Share Ltd Address before: 611743 Sichuan province Pixian Chengdu modern industrial port area North Road No. 733 Patentee before: Tieda Electronic Co., Ltd., Chengdu |
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| CP03 | Change of name, title or address |