CN109841464B - Fuse protector - Google Patents
Fuse protector Download PDFInfo
- Publication number
- CN109841464B CN109841464B CN201711208625.7A CN201711208625A CN109841464B CN 109841464 B CN109841464 B CN 109841464B CN 201711208625 A CN201711208625 A CN 201711208625A CN 109841464 B CN109841464 B CN 109841464B
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- fuse
- hollow cylinder
- shell
- cylinder body
- ceramic
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- 230000001012 protector Effects 0.000 title description 4
- 239000000919 ceramic Substances 0.000 claims abstract description 47
- 230000000694 effects Effects 0.000 claims abstract description 9
- 239000002274 desiccant Substances 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 230000000630 rising effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000000155 melt Substances 0.000 description 12
- 239000002184 metal Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 description 1
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Fuses (AREA)
Abstract
The utility model relates to a fuse which can be stored and used for a long time under wet weather conditions, and the fuse can be reused, and comprises an electrode, an insulating shell and a fuse piece, wherein the shell is divided into an upper cylinder shell and a lower cylinder shell, one side of the upper cylinder shell and one side of the lower cylinder shell are connected through a hinge, the other side of the upper cylinder shell and the lower cylinder shell can be tightly buckled through a buckle, and an insulating hollow cylinder body is fixedly connected on the lower cylinder shell; the fuse piece is provided with a through hole, the inner diameter of the through hole is slightly larger than the outer diameter of the hollow cylinder body, so that the through hole is matched with the hollow cylinder body 5, a drying agent is placed in the hollow cylinder body, ceramic linings are attached to the inner sides of the upper cylinder body 1 and the lower cylinder body 2, a ceramic outer lining is attached to the outer side of the hollow cylinder body 5, and the ceramic can have a good insulating and heat-insulating effect, so that the service life of the fuse is prolonged. When the current in the circuit is too large, after the fuse 7 is melted at the thin wall 12 outside the through hole, the insulated hollow cylinder 5 can play a role in blocking the melted fuse from striking an arc again, so that the safety performance of the fuse is improved.
Description
Technical Field
The utility model relates to the technical field of circuit protection equipment, in particular to a safe and efficient fuse capable of avoiding arcing.
Background
The fuse is commonly called as a fuse, and is an electric appliance for breaking a circuit by fusing a melt with heat generated by the fuse when the current exceeds a specified value. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so that the circuit is disconnected; a current protector is made by applying the principle. The fuse is widely applied to high-low voltage distribution systems, control systems and electric equipment, is used as a protector for short circuit and overcurrent, and is one of the most common protection devices. And a metal conductor is used as a melt to be connected in series in a circuit, when an overload or short-circuit current flow fuse passes through the melt, the fuse is fused due to self-heating, so that the circuit is disconnected, and the fuse is the most common one.
The fuse is mainly composed of a melt, a case, and an electrode portion, wherein the melt is a key element for controlling the fusing characteristics. The material, size and shape of the melt determine the fusing characteristics. The shape of the melt is divided into filament and flake. For the sheet-type fuse, in the fusing process, the shell is easy to damage due to overlarge electric arc, so that fire is caused, and the existing sheet-type fuse is low in fusing speed and cannot well protect an electric appliance. For this reason, chinese laid-open patent CN106601570a discloses a fuse, which comprises a housin, the both ends of casing all are provided with sealing resin, be equipped with the insulating layer on the inner wall of casing, be close to in the casing sealing resin department all is equipped with ceramic insulator, the ceramic insulator keep away from sealing resin's one side is equipped with the metal stand, be equipped with a plurality of laths along the circumference on the metal stand, two be fixed with the foil between the metal stand, still be equipped with in the casing around in the fuse-element that the foil set up, the fuse-element is including being close to the melting layer of foil and the alloy layer of setting in the melting layer outside. By means of the technical scheme, the metal seat is provided with the battens and the metal sheet with the fine holes, so that electric arcs can be effectively dispersed, and the safety of a fusing environment is ensured; the device is provided with the melt, so that the fusing speed of the metal sheet can be increased, and an electric appliance can be better protected; the device is also provided with different insulators to ensure that internal reactions of the fuse do not adversely affect external circuitry. It is thus seen that changing the cross-sectional shape can significantly change the fusing characteristics of the fuse.
However, the above-mentioned utility model is relatively complex in structure and disposable, and in order to reduce the overall cost, the housing and the electrodes are usually made of inexpensive materials, which also causes unsafe factors, and at the same time, the service life and the safety reliability of the fuse are greatly reduced in humid weather conditions, which is not suitable for the south of China and coastal areas.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present utility model is to provide a fuse, which can prevent the occurrence of arcing caused by the breakdown of air after the melt is melted; the shell, namely the electrode, can be reused, and only the melt needs to be replaced; meanwhile, as the drying device is arranged in the shell, the storage device can be stored for a long time in a wet environment, the safety degree is improved, and the service life is prolonged.
The utility model provides a fuse, which comprises an electrode, an insulating shell and a fuse piece, wherein the shell is divided into an upper cylinder shell and a lower cylinder shell, one side of the upper cylinder shell and one side of the lower cylinder shell are connected through a hinge, the other side of the upper cylinder shell and the lower cylinder shell can be tightly buckled through a buckle, and an insulating hollow cylinder body is fixedly connected on the lower cylinder shell; the fuse piece is provided with a through hole, the inner diameter of the through hole is slightly larger than the outer diameter of the hollow cylinder body, so that the through hole is matched with the hollow cylinder body, a drying agent is placed in the hollow cylinder body, a ceramic lining is attached to the inner sides of the upper cylinder body and the lower cylinder body, a ceramic outer lining is attached to the outer side of the hollow cylinder body, the ceramic can have a good insulation and heat insulation effect, and the service life of the fuse is prolonged. When the current in the circuit is too large, after the fuse piece is melted at the thin wall of the outer side of the through hole, the insulated hollow cylinder body can play a role in blocking the melted fuse piece from striking an arc again, so that the safety performance of the fuse is improved.
Further, the hollow cylinder body can be provided with a plurality of through holes on the corresponding fuse pieces, and the through holes are correspondingly provided with the same number.
Further, in order to prevent the desiccant in the hollow cylinder from scattering out of the opening portion during movement of the fuse, and to prevent water droplets in the hollow cylinder from scattering out of the opening portion in the upper portion of the hollow cylinder during drying and water absorption, the opening portion in the upper portion of the hollow cylinder is covered with a waterproof and breathable film.
Further, the electrodes are clamped in the lower grooves of the cylinder walls at the two ends of the lower cylinder shell, the fuse pieces penetrate through the hollow cylinder body, the two ends of the fuse pieces are placed on the two electrodes, the ends of the fuse pieces can be accommodated in the upper grooves of the cylinder walls at the two ends of the upper cylinder shell, after the upper cylinder shell is buckled on the lower cylinder shell through the buckles, the outer walls of the upper grooves can tightly press the electrodes, namely, the cylinder walls at the two ends of the upper cylinder body can be directly tightly pressed on the electrode surfaces and the cylinder walls at the two ends of the lower cylinder shell, and a good sealing effect is achieved inside the shell; meanwhile, the upper groove can tightly press and electrically connect the fuse piece and the electrode.
In order to further improve the safety of the fuse, improve the fusing rate of the fuse, isolate the fuse after fusing, prevent to strike an arc explosion once more, the flush position of hollow barrel in fuse place department divide into upper hollow barrel and lower hollow barrel, upper hollow barrel and lower hollow barrel threaded connection, the outer all fixedly connected with wing structure of ceramic outer lining of upper and lower hollow barrel. The wing structures are symmetrically distributed on both sides of the upper and lower hollow cylinder bodies.
Each side wing of the upper hollow cylinder is composed of two strip-shaped ceramic plates, and a slideway structure is formed in the middle. The wing at each side of the lower hollow cylinder is also composed of two strip-shaped ceramic plates, a slideway structure is formed in the middle, a compression spring is placed in the slideway structure of the lower hollow cylinder, and the top end of the compression spring is connected with a ceramic plate.
The wings of the upper hollow cylinder and the lower hollow cylinder are arranged on the approaching section, and two ceramic blocks are fixedly arranged on the inner sides of the strip-shaped ceramic plates, so that the slide way structures are narrowed, and the gap of the slide way structures is slightly larger than the thickness of the ceramic plates.
And a limiting structure is arranged on one side, close to the compression spring, of the joint of the ceramic sheet and the compression spring and used for limiting the rising length of the compression spring.
When the upper hollow cylinder body and the lower hollow cylinder body are tightly connected through threads, the gap between the upper wing structure and the lower wing structure is slightly larger than the thickness of the fuse piece.
When the fuse piece fuses at the position with the smallest cross section of the two side edges of the through hole due to short circuit of the circuit where the fuse is located, the ceramic plate isolates the two ends of the fused position under the pushing of the compression spring, and the fuse piece is placed for arcing explosion again, so that the fuse is safe and reliable.
Therefore, the width of the ceramic sheet is set to be larger than the width of the thin wall outside the through hole of the fuse piece, so that the fused fuse piece is better isolated by the ceramic sheet after the thin wall outside the through hole is fused, and the safety is further improved.
As described above, the present utility model can achieve the following effects:
1. the upper cylinder shell and the lower cylinder shell can be opened or locked through the hinge and the buckle, and the fuse can be reused through replacing the fuse piece, so that on one hand, the cost is saved, on the other hand, high-quality materials can be selected for the electrode and the upper cylinder shell and the lower cylinder shell, and the cost can be saved as a whole.
2. The drying agent is prevented from being dried in the hollow cylinder, so that the moisture-proof effect is good, the service life of the fuse is prolonged, and the fuse is suitable for long-time storage and use under humid climates such as coasts; meanwhile, the hollow cylinder body can insulate heat and insulate heat, and can prevent the fused fuse piece from arcing again, so that the safety performance of the fuse is improved.
3. The groove structures are arranged on the cylinder walls at the two ends of the upper cylinder shell and the lower cylinder shell, so that a good sealing effect can be achieved inside the shell.
4. In order to further improve the safety of the fuse, improve the fusing rate of the fuse, isolate the fuse after fusing, prevent arcing explosion again, set the hollow cylinder as upper and lower hollow cylinder two parts, and set up the ceramic wafer that can cut off the melting position rapidly, fusing rate and security performance promote greatly.
Drawings
Fig. 1 is a front view of a first embodiment of the fuse of the present utility model.
Fig. 2 is a cross-sectional view of a first embodiment of the fuse of the present utility model.
Fig. 3 is a top view of a lower cartridge housing of a first embodiment of the fuse of the present utility model.
Fig. 4 is a top view of an upper canister housing of a first embodiment of the fuse of the present utility model.
Fig. 5 is a partial schematic top view of a hollow barrel of a second embodiment of a fuse of the present utility model.
Fig. 6 is a partially schematic front view of a hollow barrel of a second embodiment of a fuse of the present utility model.
Wherein: 1 upper cylinder shell 2 cylinder shell 3 hinge 4 buckle 5 hollow cylinder
A6 electrode 7 fuse 8 waterproof and breathable film 9 lower groove 10 upper groove 11 upper groove outer wall 12 through hole outside thin wall 13 upper hollow cylinder 14 lower hollow cylinder 15 wing structure 16 strip ceramic sheet 17 compression spring 18 ceramic block 19 ceramic sheet 20 limit structure.
Detailed Description
Detailed description of the preferred embodiments
Referring to fig. 1-4, a first embodiment of the fuse of the present utility model comprises an electrode 6, an insulating housing and a fuse 7, wherein the housing is divided into an upper cylinder housing 1 and a lower cylinder housing 2, one side of the upper cylinder housing and one side of the lower cylinder housing are connected through a hinge 3, the other side of the upper cylinder housing and the lower cylinder housing can be tightly buckled through a buckle 4, 3 insulating hollow cylinders 5 are fixedly connected to the lower cylinder housing 2, and an opening part at the upper part of the hollow cylinders 5 is covered by a waterproof and breathable film 8; the fuse 7 is provided with 3 through holes, the inner diameter of each through hole is slightly larger than the outer diameter of the hollow cylinder 5, the through holes are matched with the hollow cylinder 5, a drying agent is placed in the hollow cylinder 5, the inner sides of the upper cylinder shell 1 and the lower cylinder shell 2 are additionally provided with ceramic linings, the outer sides of the hollow cylinder 5 are additionally provided with ceramic outer linings, and the ceramic can have good insulation and heat insulation effects, so that the service life of the fuse is prolonged. When the current in the circuit is too large, after the fuse 7 is melted at the thin wall 12 outside the through hole, the insulated hollow cylinder 5 can play a role in blocking the melted fuse from striking an arc again, so that the safety performance of the fuse is improved.
The electrodes 6 are clamped in the lower grooves 9 of the cylinder walls at the two ends of the lower cylinder shell 2, the fuse pieces 7 penetrate through the hollow cylinder body 5, the two ends of the fuse pieces 7 are placed on the two electrodes 6, the end parts of the fuse pieces 7 can be accommodated in the upper grooves 10 of the cylinder walls at the two ends of the upper cylinder shell 1, after the upper cylinder shell 1 is buckled on the lower cylinder shell 2 through the buckles 4, the outer walls 11 of the upper grooves can tightly press the electrodes 6, namely the cylinder walls at the two ends of the upper cylinder shell 1 can be directly tightly pressed on the electrode surfaces and the cylinder walls at the two ends of the lower cylinder shell 2, and a good sealing effect is achieved inside the shell; meanwhile, the upper groove 10 can tightly press and electrically connect the fuse 7 and the electrode 6.
Second embodiment
Referring to fig. 5-6, in order to further improve the safety of the fuse and the fusing rate of the fuse 7, and isolate the fused fuse 7 from arcing and explosion again, the hollow cylinder 5 is divided into an upper hollow cylinder 13 and a lower hollow cylinder 14 at the level of the fuse 7, the upper hollow cylinder 13 and the lower hollow cylinder 14 are in threaded connection, and wing structures 15 are fixedly connected outside the ceramic outer liners of the upper and lower hollow cylinders. Wing structure 15 is symmetrically disposed on both sides of the upper and lower hollow cylinders.
Each side wing of the upper hollow cylinder is composed of two strip-shaped ceramic plates 16, and a slideway structure is formed in the middle. The wing at each side of the lower hollow cylinder is also composed of two strip-shaped ceramic plates, a slideway structure is formed in the middle, a compression spring 17 is placed in the slideway structure of the lower hollow cylinder, and the top end of the compression spring is connected with a ceramic sheet 19. The wings of the upper and lower hollow cylinders are positioned at the approaching sections, and two ceramic blocks 18 are fixedly arranged at the inner sides of the strip-shaped ceramic plates 16, so that the slideway structures are narrowed, and the gap of the slideway structures is slightly larger than the thickness of the ceramic sheets 19.
A limiting structure 20 is arranged at the joint of the ceramic sheet 19 and the compression spring 17 near one side of the compression spring for limiting the rising length of the compression spring 17.
When the upper hollow cylinder body and the lower hollow cylinder body are tightly connected through threads, the gap between the upper wing structure and the lower wing structure is slightly larger than the thickness of the fuse piece.
The width of the ceramic sheet 19 is set to be larger than the width of the thin wall 12 outside the through hole of the fuse 7, when the fuse is fused at the minimum section of the two side edges of the through hole due to short circuit of the circuit where the fuse is located, the ceramic sheet isolates the two ends of the fused part under the pushing of the compression spring, and the fuse is placed for arc explosion again, so that the fuse is safe and reliable.
The fuse can be repeatedly used in the embodiments described above, can be placed for use in coastal and other wet weather conditions for a long time, and also greatly improves safety due to the arrangement of the hollow cylinder.
The above embodiments are merely illustrative of the features and advantages of the present utility model and are not intended to limit the scope of the utility model, but any equivalent changes and modifications that can be accomplished by the utility model without departing from the spirit and scope of the utility model as defined by the appended claims should be construed to be covered by the following claims.
Claims (5)
1. A fuse comprising an electrode, an insulating housing, and a fuse, characterized in that: the shell is divided into an upper cylinder shell and a lower cylinder shell, one side of the upper cylinder shell and one side of the lower cylinder shell are connected through a hinge, the other side of the upper cylinder shell and the lower cylinder shell can be tightly buckled through a buckle, and an insulating hollow cylinder body is fixedly connected to the lower cylinder shell; the fuse piece is provided with a through hole, the inner diameter of the through hole is slightly larger than the outer diameter of the hollow cylinder body, so that the through hole is matched with the hollow cylinder body, a drying agent is placed in the hollow cylinder body, ceramic inner liners are attached to the inner sides of the upper cylinder body and the lower cylinder body, and a ceramic outer liner is attached to the outer side of the hollow cylinder body; the hollow cylinder is divided into an upper hollow cylinder and a lower hollow cylinder at the flush position of the fuse piece placement position, the upper hollow cylinder is in threaded connection with the lower hollow cylinder, wing structures are fixedly connected outside ceramic outer liners of the upper hollow cylinder and the lower hollow cylinder, and the wing structures are symmetrically distributed on two sides of the upper hollow cylinder and the lower hollow cylinder; each side wing of the hollow cylinder is composed of two strip-shaped ceramic plates, a slide way structure is formed in the middle of each side wing of the hollow cylinder, each side wing of the lower hollow cylinder is composed of two strip-shaped ceramic plates, a slide way structure is formed in the middle of each side wing of the lower hollow cylinder, a compression spring is placed in the slide way structure of the lower hollow cylinder, and the top end of the compression spring is connected with the ceramic plates; when the upper hollow cylinder body and the lower hollow cylinder body are tightly connected through threads, the gap between the upper wing structure and the lower wing structure is slightly larger than the thickness of the fuse piece; the width of the ceramic sheet is larger than that of the thin wall outside the through hole of the fuse piece; the electrode block is in the lower recess of the section of thick bamboo wall at lower section of thick bamboo casing both ends, and the fuse passes the cavity barrel, and both ends are placed on two electrodes, and the tip of fuse can be held in the upper groove of the section of thick bamboo wall at last barrel casing both ends, goes up the barrel casing and passes through the buckle lock after down on the barrel casing, and upper groove outer wall can closely pressfitting live the electrode, plays sealed effect to the casing inside.
2. A fuse as defined in claim 1, wherein: the hollow cylinder body can be provided with a plurality of through holes on corresponding fuse pieces, and the through holes are correspondingly provided with the same number.
3. A fuse as defined in claim 2, wherein: the opening part of the upper part of the hollow cylinder is covered by a waterproof breathable film.
4. A fuse as defined in claim 3, wherein: the wings of the upper hollow cylinder and the lower hollow cylinder are arranged on the approaching section, and two ceramic blocks are fixedly arranged on the inner sides of the strip-shaped ceramic plates, so that the slide way structures are narrowed, and the gap of the slide way structures is slightly larger than the thickness of the ceramic plates.
5. The fuse of claim 4, wherein: and a limiting structure is arranged on one side, close to the compression spring, of the joint of the ceramic sheet and the compression spring and used for limiting the rising length of the compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711208625.7A CN109841464B (en) | 2017-11-27 | 2017-11-27 | Fuse protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711208625.7A CN109841464B (en) | 2017-11-27 | 2017-11-27 | Fuse protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109841464A CN109841464A (en) | 2019-06-04 |
| CN109841464B true CN109841464B (en) | 2024-01-26 |
Family
ID=66880438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711208625.7A Active CN109841464B (en) | 2017-11-27 | 2017-11-27 | Fuse protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109841464B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295376A (en) * | 2020-11-03 | 2021-02-02 | 广东电网有限责任公司 | Fuse dehumidification system |
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| US6486766B1 (en) * | 2000-03-14 | 2002-11-26 | Littlefuse, Inc. | Housing for double-ended fuse |
| KR20040084584A (en) * | 2003-03-25 | 2004-10-06 | (주)다보 | heater in hotmelt seat |
| US6865085B1 (en) * | 2003-09-26 | 2005-03-08 | Adc Dsl Systems, Inc. | Heat dissipation for electronic enclosures |
| JP2006079872A (en) * | 2004-09-08 | 2006-03-23 | Nippon Kouatsu Electric Co | Electric wire fuse |
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| CN203071030U (en) * | 2013-02-05 | 2013-07-17 | 华北电力大学（保定） | Long-life reproducible fuse |
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| CN105869966A (en) * | 2016-06-14 | 2016-08-17 | 河南莱源电气有限公司 | High-voltage fuse convenient for changing fusant |
| CN206301724U (en) * | 2016-12-31 | 2017-07-04 | 寺崎科技有限公司 | Bar shaped fuse disconnecting switch |
| CN107004547A (en) * | 2014-12-02 | 2017-08-01 | 库珀技术公司 | Alleviate the power fuse and manufacture method with heat management with enhanced electric arc |
| CN206422031U (en) * | 2017-02-09 | 2017-08-18 | 东莞市贡福电子有限公司 | A kind of sound equipment fuse |
| CN207503905U (en) * | 2017-11-27 | 2018-06-15 | 东莞市贡福电子有限公司 | Fuse |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10323550A1 (en) * | 2003-05-24 | 2004-12-23 | Leoni Bordnetz-Systeme Gmbh & Co Kg | Fuse box for a vehicle |
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2017
- 2017-11-27 CN CN201711208625.7A patent/CN109841464B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6486766B1 (en) * | 2000-03-14 | 2002-11-26 | Littlefuse, Inc. | Housing for double-ended fuse |
| JP2002270078A (en) * | 2001-03-09 | 2002-09-20 | Energy Support Corp | Current limiting fuse and method of manufacturing the fuse |
| KR20040084584A (en) * | 2003-03-25 | 2004-10-06 | (주)다보 | heater in hotmelt seat |
| US6865085B1 (en) * | 2003-09-26 | 2005-03-08 | Adc Dsl Systems, Inc. | Heat dissipation for electronic enclosures |
| JP2006079872A (en) * | 2004-09-08 | 2006-03-23 | Nippon Kouatsu Electric Co | Electric wire fuse |
| CN101369503A (en) * | 2008-09-04 | 2009-02-18 | 苏州市南光电器有限公司 | Moisture-proof sealing high-voltage fuse member |
| CN203071030U (en) * | 2013-02-05 | 2013-07-17 | 华北电力大学（保定） | Long-life reproducible fuse |
| CN203813282U (en) * | 2014-04-03 | 2014-09-03 | 中工国际工程股份有限公司 | Transformer station |
| CN203910720U (en) * | 2014-04-26 | 2014-10-29 | 浙江银河熔断器有限公司 | Insert-in type fuse device |
| CN204285909U (en) * | 2014-11-14 | 2015-04-22 | 盐城华维铸造机械有限公司 | A kind of liquid storage drying chamber |
| CN104454000A (en) * | 2014-11-20 | 2015-03-25 | 国家电网公司 | Intelligent closed drainage control box for cable tunnel |
| CN107004547A (en) * | 2014-12-02 | 2017-08-01 | 库珀技术公司 | Alleviate the power fuse and manufacture method with heat management with enhanced electric arc |
| CN204834481U (en) * | 2015-08-24 | 2015-12-02 | 温州金利达电器有限公司 | Assembled fuse -switch -disconnector |
| CN105869966A (en) * | 2016-06-14 | 2016-08-17 | 河南莱源电气有限公司 | High-voltage fuse convenient for changing fusant |
| CN206301724U (en) * | 2016-12-31 | 2017-07-04 | 寺崎科技有限公司 | Bar shaped fuse disconnecting switch |
| CN206422031U (en) * | 2017-02-09 | 2017-08-18 | 东莞市贡福电子有限公司 | A kind of sound equipment fuse |
| CN207503905U (en) * | 2017-11-27 | 2018-06-15 | 东莞市贡福电子有限公司 | Fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109841464A (en) | 2019-06-04 |
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Address after: 523401 Room 303, building 2, No.2, fengcui street, Liaobu Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN GONGFU ELECTRONICS Co.,Ltd. Address before: 523428 3 building, 49 A, Jinyuan new road, Shilong hang, Liaobu Town, Dongguan, Guangdong. Applicant before: DONGGUAN GONGFU ELECTRONICS Co.,Ltd. |
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