CN107068510A - A kind of compact anti-explosion protector - Google Patents
A kind of compact anti-explosion protector Download PDFInfo
- Publication number
- CN107068510A CN107068510A CN201611271224.1A CN201611271224A CN107068510A CN 107068510 A CN107068510 A CN 107068510A CN 201611271224 A CN201611271224 A CN 201611271224A CN 107068510 A CN107068510 A CN 107068510A
- Authority
- CN
- China
- Prior art keywords
- parts
- melt
- arc quenching
- quenching material
- electrode
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/143—Electrical contacts; Fastening fusible members to such contacts
- H01H85/147—Parallel-side contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/38—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
- H01H2085/0275—Structural association with a printed circuit board
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/38—Means for extinguishing or suppressing arc
- H01H2085/388—Means for extinguishing or suppressing arc using special materials
Abstract
The present invention provides a kind of compact anti-explosion protector, including melt, electrode, encapsulated layer, arc quenching material.Electrode sets two, and melt is arranged between two electrodes, and arc quenching material is attached on melt, encapsulated layer formation cavity, and melt is located in cavity and electrode passes through encapsulated layer；The arc quenching material is by weight including following components：Polyamide or 10~12 parts of polyimide resin or silica column, anhydrous 4~8 parts of magnesium hydroxide, 3~7 parts of aerosil, 0.1~0.5 part of sodium chloride.The present invention can improve explosion-proof performance while protector volume is reduced.
Description
Technical field
The present invention relates to a kind of protector technology, particularly a kind of compact anti-explosion protector.
Background technology
Current overcurrent protective device, mainly has pins type and SMD two kinds, the structure such as Chinese patent of pins type
Shown in 201420307171.4, it is made up of, its breaking capacity is higher, resists pedestal, lid, lead, melt and lead fixing terminal
Quick-fried performance is good, but volume can not reduce, and the fast development of electronic product requires more next to the component of assembling on circuit boards
Higher, overcurrent protector must reach compact volume and be changed into surface attaching type by pin type, could meet miniaturization
Requirement.It is another SMD as shown in Chinese patent 201320556184.0, by insulating substrate, positive backplate, fusing
Metal level, protective layer, interior electrode and termination electrode composition, its volume can accomplish very small, but the protection body of this structure
Product is smaller, and the I2t that protector can reach is just smaller, and because space is limited, the raising of explosion-proof performance is also restricted, nothing
Method is improved.In addition, the product of both the above structure, in order to improve the antiknock ability of product, sets arc quenching material around melt,
All using cavity is formed around melt, the mode of arc quenching material is filled in cavity, when fuse volume requirement is less and less
When, this mode that arc quenching material is filled in cavity is increasingly difficult to.
The content of the invention
It is an object of the invention to provide a kind of compact anti-explosion protector, it can be carried while protector volume is reduced
High explosion-proof performance.
A kind of compact anti-explosion protector, including melt, electrode, encapsulated layer, arc quenching material.Electrode sets two, melt
It is arranged between two electrodes, arc quenching material is attached on melt, encapsulated layer formation cavity, melt is located in cavity and electrode is worn
Cross encapsulated layer.
Further, the arc quenching material is by weight including following components：Polyamide or polyimide resin or
10~12 parts of person's silica column, anhydrous 4~8 parts of magnesium hydroxide, 3~7 parts of aerosil, 0.1~0.5 part of sodium chloride.
Further, arc quenching material component is polyamide or polyimide resin or silica column 10 by weight
Part, 6 parts of dry oxidation magnesium, 5 parts of aerosil, 0.2 part of sodium chloride.
Further, 3~5 parts of 7~8 parts of sepiolite powder or mica powder can be also added in arc quenching material component.
Further, arc quenching material (7) component is polyamide or polyimide resin or silica column by weight
10 parts, 6 parts of dry oxidation magnesium, 5 parts of aerosil, 0.2 part of sodium chloride, 4 parts of 7 parts of sepiolite powder or mica powder.
Further, in the middle of melt a branch of non-conductive fibre line and the groups of metal filaments of outside winding into.
Further, electrode is flat sheet metal and the part that is placed in outside encapsulated layer is bent downwards.
Further, melt is connected by fixing terminal with electrode, and wherein fixing terminal is solder splashes.
Further, melt is connected by fixing terminal with electrode, and wherein fixing terminal is sheet metal and is around on melt,
Fixing terminal is connected with electrode.
The present invention compared with prior art, with advantages below：(1) compact anti-explosion protector of the invention, flat
Sheet metal electrode, in the bottom of whole protector in horizontally disposed, makes protector can be with surface-pasted welding by bending
Mode is set in circuit, compared with pin type fuse, saves the space on circuit board.(2) present invention is not used in cavity
The mode of middle filling arc quenching material, reduces technology difficulty, and is utilized on the supporter of a branch of non-conductive fibre line composition and twines
Around wire, it is impregnated into afterwards in the arc quenching material mixed, by arc quenching material baking-curing, single firmly adsorbs arc extinguishing
Material, arc quenching material uniformly fits together with melt, and heat transfer is rapid；When fracture, which occurs, for melt produces electric arc, a side
Face single as a cooling medium, can absorb the heat energy of electric arc generation, reach the effect of cooling, on the other hand go out in itself
The tiny holes of arc material can absorb arc ions, there is certain arc quenching effect.(3) arc extinction slurry that provides of the present invention into
Point, it can be good at being attached on melt, long-time stability are strong, arc extinction slurry, which is coated on to be formed around melt, has some strength
With the protective layer of toughness, gas can be produced under arcing, promotes arc extinction；Polyamide or polyimides tree
Fat or silica column are as main component, with good elasticity and high adsorption；The high ratio that aerosil has
The metallic vapour that surface area can be produced with quick adsorption metal bath in disjunction, buffering reduction arcing pressure；Anhydrous hydroxide
Magnesium more than 350 DEG C at a high temperature of can produce vapor and magnesia, vapor plays the role of fire-retardant blow-out.Micro sodium chloride
Lower can decompose absorbs heat under arcing, while hydrogen is produced under having the high temperature and arcing condition of vapor combination, hydrogen
Electronics can be absorbed, separates electric arc；When fracture produces electric arc to melt under excessive curtage effect, of the invention goes out
Arc material can produce arc extinguishing gases in fast decoupled under arcing, and can quick adsorption metal bath produce in disjunction
Metallic vapour, effectively extinguishes the electric arc that produces in melt breaking course, and bears what internal pressure during this was impacted
Mechanical strength, it may have quick to absorb or transferred arc energy, and high-tension dielectric strength between arc gap can be born.So i.e.
Only a small amount of arc quenching material is attached on melt, can also reach the effect for improving protector explosion-proof capabilities.In addition, addition sea
Afrodite powder or mica powder will make arc quenching material have higher adsorptivity, and beneficial to radiating and cooling.
The present invention is described further with reference to Figure of description.
Brief description of the drawings
The top view that Fig. 1 is combined for electrode in first embodiment of the invention with melt.
Fig. 2 is the sectional side elevation of protector in first embodiment of the invention.
Fig. 3 is the sectional side elevation of protector in second embodiment of the invention.
Fig. 4 is the sectional side elevation of protector in third embodiment of the invention.
Fig. 5 is the connected mode schematic diagram of melt and fixing terminal in fourth embodiment of the invention.
Fig. 6 is the schematic diagram that arc quenching material of the present invention wraps up melt.
Embodiment
With reference to Fig. 1, Fig. 2, a kind of compact anti-explosion protector, including melt 1, electrode 2, encapsulated layer 4, arc quenching material 7.Electricity
Pole 2 sets two, and melt 1 is arranged between two electrodes, and arc quenching material 7 is attached on melt 1, the formation cavity 5 of encapsulated layer 4,
Melt 1 is located in cavity 5 and electrode 2 passes through encapsulated layer 4；The arc quenching material 7 is by weight including following components：Polyamide resin
10~12 parts of fat, anhydrous 4~8 parts of magnesium hydroxide, 3~7 parts of aerosil, 0.1~0.5 part of sodium chloride.
With reference to Fig. 6, the wire 1 that melt 1 is wound by middle a branch of non-conductive fibre line 11 and outside is constituted.
The polyamide in arc quenching material 7 can be substituted with polyimide resin or silica column.
3~5 parts of 7~8 parts of sepiolite powder or mica powder can be also added in the arc quenching material component, because of sepiolite powder or
The addition of person's mica powder can make arc quenching material integrally possess higher adsorptivity, and beneficial to radiating and cooling, compared with embodiment one
Shorter compared to the arc time, arc quenching effect is more preferable.
The material of above composition, which is well mixed, turns into thick, and a whole piece melt impregnation is entered in arc quenching material, carries out
Baking-curing, allows arc quenching material 7 to be attached on a whole piece melt 1.
With reference to Fig. 5, melt 1 is connected by fixing terminal 3 with electrode 2, and wherein fixing terminal 3 is solder splashes or sheet metal；
If sheet metal, sheet metal is around on melt 1 and sheet metal is connected with electrode 2.
Embodiment one
Arc quenching material composition is by weight：Polyamide or 10 parts of polyimide resin or silica column, it is anhydrous
6 parts of magnesia, 5 parts of aerosil, 0.2 part of sodium chloride.
As shown in figure 1, the melt that a whole piece adhered to arc quenching material is cut into a bit of, tin plating copper sheet is processed into
" convex " type is welded on one with melt 1 as electrode 2, electrode 2 and the bound fraction narrower width of melt 1, electrode 2 by solder splashes 3
Rise and form electrical connection, electrode 2 is overlapped with the center line of melt 1, the two equal horizontal positioned.
As shown in Fig. 2 forming cavity in encapsulated layer 4, encapsulated layer 4 in outer formed in the way of plastic packaging of melt 1, melt 1 hangs
Sky is set in the cavities, has a certain distance between arc quenching material 7 and encapsulated layer.Encapsulated layer 4 is wrapped in melt 1, arc quenching material
7th, a part for the electrode 2 on both sides fixing terminal 3 and both sides, the remaining part of electrode 2 is stretched out outside encapsulated layer, by adding
Work is bent into downwards corresponding " [" and "] " shape, and nethermost part is in level, is close to encapsulated layer, two " [" and "] " shapes
Shape is not contacted.
The protector volume of the present embodiment is in 40mm3Within, and the method to set up of arc quenching material in the present embodiment is employed,
Can make breaking capacity lifted more than one times, and the protector bottom of the present embodiment electrode welding on circuit boards, save very much
Save space.
Embodiment two
Arc quenching material composition is by weight：Polyamide or 10 parts of polyimide resin or silica column, it is anhydrous
6 parts of magnesia, 5 parts of aerosil, 0.2 part of sodium chloride.
As shown in figure 3, electrode 2 is processed into " convex " type, it is welded together to form and is electrically connected by solder splashes 3 with melt 1, is melted
Body 1 is intermediate insulation single, the winding-type of outside winding wire, and the partial immersion of melt is entered to the arc quenching material mixed
In, baking-curing afterwards.Electrode 2 and the central axis of melt 1, the horizontal positioned of melt 1, the part of electrode 2 stretch out encapsulated layer it
Outside, relative right angle is bent into by processing, nethermost part is in level, is close between encapsulated layer, two " L " shape right angles not
Contact.
The present embodiment is advantageous in that electrode 2 is vertical with melt 1, again by melt portion after being assembled in melt
Baking-curing after being impregnated into arc quenching material, it is to avoid the melt after dipping arc quenching material in the welding process of electrode 2 with going out
The loss that comes off of arc material.
Embodiment three
Arc quenching material composition is by weight：Polyamide or 10 parts of polyimide resin or silica column, it is anhydrous
6 parts of magnesia, 5 parts of aerosil, 0.2 part of sodium chloride.
Electrically connected as shown in figure 4, electrode 2 is welded together to form with melt 1 by solder splashes 3, afterwards by the portion of melt
Sub-dip stain enters in arc quenching material, and baking-curing, electrode 2 and the central axis of melt 1, the horizontal positioned of melt 1.Encapsulated layer 4 is wrapped
Wrap up in a part for melt 1, arc quenching material 7, both sides fixing terminal 3 and the electrode 2 on both sides, 4 times setting substrates 6 of encapsulated layer,
Electrode 2 is stretched into substrate 6 through encapsulated layer 4, and is stretched out to both sides bending outside substrate, and the part stretched out outside substrate is bent downwards
Into corresponding " [" and "] " shape, the nethermost electrode part of whole protector is in horizontally disposed.
Add after substrate, the structure between encapsulated layer and electrode is more consolidated.
Example IV
As shown in figure 5, being fixing terminal 3 and the connected mode of melt 1, except the solder splashes of embodiment one to three connects it
Outside, can also as shown in the left diagram, fixing terminal 3 is processed into bonding jumper/piece, and curling winding wraps melt 1, is fixed terminal
3 pack tightly melt 1, just can reach the good electrical connection between electrode 2 and melt 1.As shown at right, fixing terminal 3 is processed into half
The shelf of circular open upward, melt 1 is positioned on shelf, then melt 1 and electrode 2 is formed well by way of welding
Electrical connection.
In actual production, the connection of fixing terminal and melt can also be used and led except mechanical compaction, the mode of welding
The gluing knot of electricity, or above several ways are used in mixed way, and can reach the effect of the present invention.
Claims (12)
1. a kind of compact anti-explosion protector, including melt (1), electrode (2), encapsulated layer (4), arc quenching material (7), its feature exist
In,
Electrode (2) sets two,
Melt (1) is arranged between two electrodes,
Arc quenching material (7) is attached on melt (1),
Encapsulated layer (4) formation cavity (5), melt (1) is located in cavity (5) and electrode (2) passes through encapsulated layer (4).
2. protector according to claim 1, it is characterised in that the arc quenching material (7) is by weight including following groups
Point：10~12 parts of polyamide, anhydrous 4~8 parts of magnesium hydroxide, 3~7 parts of aerosil, 0.1~0.5 part of sodium chloride.
3. protector according to claim 2, it is characterised in that also include sepiolite powder 7 in the arc quenching material component
~8 parts or 3~5 parts of mica powder.
4. protector according to claim 2, it is characterised in that substitute arc extinguishing with polyimide resin or silica column
Polyamide in material (7).
5. protector according to claim 3, it is characterised in that substitute arc extinguishing with polyimide resin or silica column
Polyamide in material (7).
6. protector according to claim 2, it is characterised in that arc quenching material (7) component is polyamide resin by weight
10 parts of fat, 6 parts of dry oxidation magnesium, 5 parts of aerosil, 0.2 part of sodium chloride.
7. protector according to claim 4, it is characterised in that arc quenching material (7) component is polyimides by weight
10 parts of resin or silica column, 6 parts of dry oxidation magnesium, 5 parts of aerosil, 0.2 part of sodium chloride.
8. protector according to claim 3, it is characterised in that arc quenching material (7) component is polyamide resin by weight
4 parts of 10 parts of fat, 6 parts of dry oxidation magnesium, 5 parts of aerosil, 0.2 part of sodium chloride, 7 parts of sepiolite powder or mica powder.
9. protector according to claim 5, it is characterised in that arc quenching material (7) component is polyimides by weight
10 parts of resin or silica column, 6 parts of dry oxidation magnesium, 5 parts of aerosil, 0.2 part of sodium chloride, 7 parts of sepiolite powder or
4 parts of mica powder.
10. protector according to claim 1, it is characterised in that melt (1) is by middle a branch of non-conductive fibre line (11)
And wire (12) composition of outside winding.
11. protector according to claim 1, it is characterised in that electrode (2) is flat sheet metal and is placed in encapsulated layer
(4) part outside is bent downwards.
12. protector according to claim 1, it is characterised in that melt (1) is connected by fixing terminal (3) and electrode (2)
Connect, wherein fixing terminal (3) is solder splashes or sheet metal；If sheet metal, sheet metal is around on melt (1) and sheet metal and electricity
Pole (2) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271224.1A CN107068510A (en) | 2016-12-30 | 2016-12-30 | A kind of compact anti-explosion protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271224.1A CN107068510A (en) | 2016-12-30 | 2016-12-30 | A kind of compact anti-explosion protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107068510A true CN107068510A (en) | 2017-08-18 |
Family
ID=59624223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611271224.1A Pending CN107068510A (en) | 2016-12-30 | 2016-12-30 | A kind of compact anti-explosion protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107068510A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679952A (en) * | 2020-12-25 | 2021-04-20 | 南京萨特科技发展有限公司 | Gas-generating arc extinguishing tube and preparation method thereof |
| CN112735930A (en) * | 2020-12-18 | 2021-04-30 | 中国振华集团云科电子有限公司 | Arc suppression material for improving breaking capacity of fuse and preparation method thereof |
| DE102019129258A1 (en) * | 2019-10-30 | 2021-05-06 | Tridonic Gmbh & Co Kg | Track protection with arc extinguishing agent |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1106852A (en) * | 1993-08-23 | 1995-08-16 | 尹顿公司 | ARC-quenching compositions for high voltage current limiting fuses and circuit interrupters |
| EP0833358A2 (en) * | 1996-09-28 | 1998-04-01 | Efen Elektrotechnische Fabrik GmbH | Oil fuse |
| CN102898930A (en) * | 2012-09-21 | 2013-01-30 | 信和新材料股份有限公司 | Hydrocarbon flame resistant intumescent coating and preparation method thereof |
| CN103489728A (en) * | 2013-10-23 | 2014-01-01 | 烟台东方威思顿电气有限公司 | High-voltage fuse |
| CN104231619A (en) * | 2013-06-05 | 2014-12-24 | 旭化成化学株式会社 | Polyamide resin composition and forming body |
| CN204088237U (en) * | 2014-08-22 | 2015-01-07 | Aem科技(苏州)股份有限公司 | A kind of hollow structure fuse |
-
2016
- 2016-12-30 CN CN201611271224.1A patent/CN107068510A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1106852A (en) * | 1993-08-23 | 1995-08-16 | 尹顿公司 | ARC-quenching compositions for high voltage current limiting fuses and circuit interrupters |
| EP0833358A2 (en) * | 1996-09-28 | 1998-04-01 | Efen Elektrotechnische Fabrik GmbH | Oil fuse |
| CN102898930A (en) * | 2012-09-21 | 2013-01-30 | 信和新材料股份有限公司 | Hydrocarbon flame resistant intumescent coating and preparation method thereof |
| CN104231619A (en) * | 2013-06-05 | 2014-12-24 | 旭化成化学株式会社 | Polyamide resin composition and forming body |
| CN103489728A (en) * | 2013-10-23 | 2014-01-01 | 烟台东方威思顿电气有限公司 | High-voltage fuse |
| CN204088237U (en) * | 2014-08-22 | 2015-01-07 | Aem科技(苏州)股份有限公司 | A kind of hollow structure fuse |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019129258A1 (en) * | 2019-10-30 | 2021-05-06 | Tridonic Gmbh & Co Kg | Track protection with arc extinguishing agent |
| CN112735930A (en) * | 2020-12-18 | 2021-04-30 | 中国振华集团云科电子有限公司 | Arc suppression material for improving breaking capacity of fuse and preparation method thereof |
| CN112679952A (en) * | 2020-12-25 | 2021-04-20 | 南京萨特科技发展有限公司 | Gas-generating arc extinguishing tube and preparation method thereof |
| CN112679952B (en) * | 2020-12-25 | 2023-05-26 | 南京萨特科技发展有限公司 | Gas-generating arc-extinguishing tube and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170818 |