CN104201075B - Fuse structure, fuse and electric welding machine - Google Patents
Fuse structure, fuse and electric welding machine Download PDFInfo
- Publication number
- CN104201075B CN104201075B CN201410475959.0A CN201410475959A CN104201075B CN 104201075 B CN104201075 B CN 104201075B CN 201410475959 A CN201410475959 A CN 201410475959A CN 104201075 B CN104201075 B CN 104201075B
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- fuse
- moving contact
- lead
- wire
- conductive shell
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Abstract
The invention discloses a kind of fuse structure, fuse and electric welding machine, this fuse structure includes the first lead-in wire (1), moving contact (2), elastic reset member (3), melt, conductive shell (4), second lead-in wire (5), storage fusion pot (6), heater (11) and pressure valve (7), pressure valve can be slided along the inwall of conductive shell and conductive shell is divided into working chamber (41) and melt chamber (42), moving contact, elastic reset member and pressure valve are fixed and are connected and be arranged in working chamber, moving contact is electrically connected to conductive shell, and moving contact and pressure valve can slide along conductive shell inwall, melt is arranged in melt chamber and is in fluid communication with storage fusion pot, when elastic reset member is extended state, first lead-in wire, moving contact, conductive shell and the second lead-in wire electrical connection, heater is arranged at inside melt chamber and storage fusion pot。The simple in construction of this fuse structure and fuse and can reuse。
Description
Technical field
The present invention relates to overcurrent protection field, in particular it relates to a kind of fuse structure, fuse and electric welding machine。
Background technology
In the prior art; the fuse protection of electric device generally all can be used fuse, but fuse has Railway Project at present, first; fuse cannot use second time after one-time use; for disposable device, very difficult recycling, is so great waste to resource; second; the structure of fuse is complicated, is not not suitable for maintenance, then design a kind of simple in construction and the fuse that can reuse becomes a kind of problem desiring most ardently solution。
Summary of the invention
It is an object of the invention to provide a kind of fuse structure, fuse and electric welding machine, the simple in construction of this fuse structure and fuse and also can reuse, this electric welding machine can recycle after fuse when electric current is excessive again, it is not necessary to replacing fuse。
To achieve these goals, the invention provides a kind of fuse structure, this fuse structure includes the first lead-in wire, moving contact, elastic reset member, melt, conductive shell, second lead-in wire, storage fusion pot, heater and pressure valve, described pressure valve can be slided along the inwall of described conductive shell and described conductive shell is divided into working chamber and melt chamber, described moving contact, described elastic reset member and described pressure valve are fixed and are connected and be arranged in described working chamber, described moving contact is electrically connected to described conductive shell, and described moving contact and described pressure valve can slide along described conductive shell inwall, described melt is arranged in described melt chamber and is in fluid communication with described storage fusion pot, when described elastic reset member is extended state, described first lead-in wire, described moving contact, described conductive shell and described second lead-in wire electrical connection, described heater is arranged at inside described melt chamber and storage fusion pot。
The present invention provides a kind of fuse, and this fuse has fuse structure as described above；And
Insulation crust, described insulation crust is arranged at the outer surface of described fuse structure。
Preferably, the junction of described moving contact and described first lead-in wire is provided with insulating bar, described insulating bar extends to outside described insulation crust and is connected with described insulation crust, when described first lead-in wire and described moving contact disconnect, described insulating bar can be placed between described moving contact and described first lead-in wire。
Preferably, being provided with the vacuum valve slided along described storage fusion pot inwall in described storage fusion pot, storage fusion pot is divided into cavity and hydraulic cavities by described vacuum valve, and described cavity is communicated in outside insulation crust and is sealed by sealing-plug。
It is further preferred that described heater is arranged at the inside of described cavity and melt chamber。
Preferably, it is additionally provided with stop valve between described cavity and melt chamber。
Preferably, being connected by spring between described insulating bar with described insulation crust, when described first lead-in wire and the electrical connection of described moving contact, described spring is in extended state。
The present invention also provides for a kind of electric welding machine, and described electric welding machine includes above-mentioned fuse。
By above-mentioned detailed description of the invention, fuse structure of the present invention is due to the increase of electric current, temperature within melt rises and melts, thus what become is very unstable, pressure valve makes liquid melts pass in storage fusion pot by extrusion flow by pressure effect, and the first lead-in wire and moving contact disconnect electrical connection, fuse disconnects, trip condition occurs, makes melt thawing flow into again in described solution chamber by heating after this, then the realization that is connected with moving contact of the first lead-in wire can be reused。
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently。
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below。In the accompanying drawings:
Fig. 1 is the schematic cross-section of the fuse of a kind of detailed description of the invention that the present invention is described。
Description of reference numerals
1 first lead-in wire 2 moving contacts
3 elastic reset member 4 conductive shells
5 second lead-in wire 6 storage fusion pots
7 pressure valve 41 working chambers
42 melt chamber 8 insulation crusts
The 9 molten valves of insulating bar 61 storage
11 heater 10 stop valves。
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail。It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention。
In the present invention, when not making contrary explanation, the noun of locality of use typically refers to up and down under field conditions (factors) such as " upper and lower, left and right ", and left and right is in figure or relative to the left and right observer。" inside and outside " refers under object specific profile with outward。" remote, near " refers to the distance relative to certain device。
In a kind of fuse structure of the specific embodiment of the present invention, this fuse structure includes the first lead-in wire 1, moving contact 2, elastic reset member 3, melt, conductive shell 4, second lead-in wire 5, storage fusion pot 6, heater 11 and pressure valve 7, pressure valve 7 can be slided along the inwall of conductive shell 4 and conductive shell 4 is divided into working chamber 41 and melt chamber 42, moving contact 2, elastic reset member 3 and pressure valve 7 are fixed and are connected and be arranged in working chamber 41, moving contact 2 is electrically connected to conductive shell 4, and moving contact 2 and pressure valve 7 can slide along conductive shell 4 inwall, melt is arranged in melt chamber 42 and is in fluid communication with storage fusion pot 6, when elastic reset member 3 is extended state, first lead-in wire 1, moving contact 2, conductive shell 4 and the second lead-in wire 5 electrical connection, heater 11 is arranged at melt chamber 42 and storage fusion pot 6 is internal。
By above-mentioned embodiment, fuse structure of the present invention is due to the increase of electric current, temperature within melt rises and melts, thus what become is very unstable, pressure valve 7 makes liquid melts pass in storage fusion pot 6 by extrusion flow by pressure effect, and the first lead-in wire 1 and moving contact 2 disconnect electrical connection, fuse structure disconnects, trip condition occurs, makes melt melt again naturally in inflow solution chamber 42 by heating after this, then the realization that is connected with moving contact 2 of the first lead-in wire 1 can be reused。
Fuse structure in the present invention first goes between 1 when work, moving contact 2, conductive shell 4 and the second lead-in wire 5 are electrical connections, when electric current reaches the temperature that melt melts, melt melts and becomes unstable inflow storage fusion pot 6, pressure valve 7 slides through elastic reset member 3 and drives moving contact 2 to slide, so that fuse structure disconnects, due to temperature step-down, melt solidifies again, wherein, elastic reset member 3 is spring, after determining that circuit is errorless, being heated with heater 11, melt again flows into solution chamber 42 after melting。
Below in conjunction with accompanying drawing 1, the present invention is further described; in the present invention; fuse structure is used in electric welding machine; when current is excessive in order to protect electric welding machine to make electric welding machine be unlikely to be burned this kind of fuse structure of use; the fuse of this structure can Reusability, and can use repeatedly。
In a kind of fuse of a kind of detailed description of the invention of the present invention, this fuse has fuse structure described above；And
Insulation crust 8, insulation crust 8 is arranged at the outer surface of fuse structure。
By above-mentioned embodiment, this kind of fuse is as described above, can repeated multiple times use, decrease production cost, add service efficiency, when after fuse short circuit, by simply processing and can reconnect, avoid the trouble changing fuse, and outer surface is provided with insulating barrier, it is prevented that the generation of security incident。
In this kind of embodiment, the junction of moving contact 2 and the first lead-in wire 1 is provided with insulating bar 9, insulating bar 9 extends to outside insulation crust 8 and is connected with insulation crust 8, when the first lead-in wire 1 and moving contact 2 disconnect, insulating bar 9 can be placed between moving contact 2 and the first lead-in wire 1, by above-mentioned embodiment, can go between first after fuse blows and between 1 and moving contact 2, increase an insurance, prevent the connection that circuit is unexpected when the damage maintenance of device, greatly prevent the generation of security incident。
In this kind of embodiment, the molten valve 61 of storage slided along storage fusion pot 6 inwall it is provided with in storage fusion pot 6, storage fusion pot 6 is divided into cavity and hydraulic cavities by the molten valve 61 of storage, cavity is communicated in outside insulation crust 8 and is sealed by sealing-plug, can gas injection in the cavities, cavity has certain air pressure, from the time of line control circuit open circuit。
In this kind of preferred implementation, heater 11 is arranged at described cavity and the inside of melt chamber 42, and heater 11 is arranged in melt chamber 42 and cavity, so will assist in fuse and when recovering, it is internally heated。
In this kind of embodiment, stop valve 10 it is additionally provided with between cavity and melt chamber 42, stop valve 10 can control the velocity of liquid assets of liquid melt between cavity and melt chamber 42, it is possible to by the time that the time of coutroi velocity control circuit open circuit or circuit reclose。
This kind preferred embodiment in, in order to insulating bar 9 can be fallen to intercepting automatically, and the manual pull-up of energy, it is connected by spring between insulating bar 9 with described insulation crust 8, when described first lead-in wire 1 and described moving contact 2 electrically connect, described spring is in extended state。
Electric welding machine in a kind of detailed description of the invention of the present invention, electric welding machine includes above-mentioned fuse, and this kind of fuse is connected in the loop of electric welding machine。
The working method of the fuse structure of the present invention is:
Increase when electric current, temperature within melt rises and melts, thus what become is very unstable, pressure valve 7 makes liquid melts pass in storage fusion pot 6 by extrusion flow by pressure effect, first lead-in wire 1 and moving contact 2 disconnect electrical connection, and fuse structure disconnects, and trip condition occurs, make melt melt again naturally in inflow solution chamber 42 by heating after this, then the realization that is connected with moving contact 2 of the first lead-in wire 1 can be reused。
In sum, the simple in construction of the fuse structure of the present invention, fuse and electric welding machine and also can reuse, this electric welding machine can recycle after fusing when electric current is excessive again, it is not necessary to changes fuse。Decrease production cost by the way, add service efficiency, when after fuse short circuit, by simply processing and can reconnect, it is to avoid change the trouble of fuse, and outer surface is provided with insulating barrier, it is prevented that the generation of security incident。
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention。
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately。
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally。
Claims (8)
1. a fuse structure, it is characterized in that, this fuse structure includes the first lead-in wire (1), moving contact (2), elastic reset member (3), melt, conductive shell (4), second lead-in wire (5), storage fusion pot (6), heater (11) and pressure valve (7), described pressure valve (7) can be slided along the inwall of described conductive shell (4) and described conductive shell (4) is divided into working chamber (41) and melt chamber (42), described moving contact (2), described elastic reset member (3) and described pressure valve (7) are fixed and are connected and be arranged in described working chamber (41), described moving contact (2) is electrically connected to described conductive shell (4), and described moving contact (2) and described pressure valve (7) can slide along described conductive shell (4) inwall, described melt is arranged in described melt chamber (42) and is in fluid communication with described storage fusion pot (6), when described elastic reset member (3) is for extended state, described first lead-in wire (1), described moving contact (2), described conductive shell (4) and described second lead-in wire (5) electrical connection, described heater (11) is arranged at described melt chamber (42) and storage fusion pot (6) is internal。
2. a fuse, it is characterised in that this fuse has fuse structure as claimed in claim 1；And
Insulation crust (8), described insulation crust (8) is arranged at the outer surface of described fuse structure。
3. fuse according to claim 2, it is characterized in that, the junction of described moving contact (2) and described first lead-in wire (1) is provided with insulating bar (9), described insulating bar (9) extends to outside described insulation crust (8) and is connected with described insulation crust (8), when described first goes between (1) and described moving contact (2) disconnects, described insulating bar (9) can be placed between described moving contact (2) and described first lead-in wire (1)。
4. fuse according to claim 2, it is characterized in that, the Chu Rongfa (61) slided along described storage fusion pot (6) inwall it is provided with in described storage fusion pot (6), described storage is melted valve (61) and storage fusion pot (6) is divided into cavity and hydraulic cavities, and described cavity is communicated in outside insulation crust (8) and is sealed by sealing-plug。
5. fuse according to claim 4, it is characterised in that described heater (11) is arranged at described cavity and the inside of melt chamber (42)。
6. fuse according to claim 4, it is characterised in that be additionally provided with stop valve (10) between described cavity and melt chamber (42)。
7. fuse according to claim 3, it is characterized in that, it is connected by spring between described insulating bar (9) with described insulation crust (8), when described first goes between (1) and described moving contact (2) electrically connects, described spring is in extended state。
8. an electric welding machine, it is characterised in that described electric welding machine includes the fuse in claim 2-7 described in any one claim。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475959.0A CN104201075B (en) | 2014-09-17 | 2014-09-17 | Fuse structure, fuse and electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475959.0A CN104201075B (en) | 2014-09-17 | 2014-09-17 | Fuse structure, fuse and electric welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104201075A CN104201075A (en) | 2014-12-10 |
| CN104201075B true CN104201075B (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410475959.0A Expired - Fee Related CN104201075B (en) | 2014-09-17 | 2014-09-17 | Fuse structure, fuse and electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104201075B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024518A (en) * | 2016-06-29 | 2016-10-12 | 成都聚立汇信科技有限公司 | Thermal fuse |
| CN117912915B (en) * | 2024-03-15 | 2024-06-18 | 嘉兴模度新能源有限公司 | Composite fuse power-off connection structure and battery pack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585394Y (en) * | 2002-11-29 | 2003-11-05 | 郑赞文 | Hot fusiable cut-out protector |
| CN1818422A (en) * | 2005-11-03 | 2006-08-16 | 哈尔滨工业大学 | Anti-blowing out device for reusable anti-blowing plug |
| CN2849944Y (en) * | 2005-11-29 | 2006-12-20 | 王文杰 | Liquid expansion type temp controller |
| CN101471201A (en) * | 2007-12-28 | 2009-07-01 | 宗翠红 | Heat-sensitive electric switch |
-
2014
- 2014-09-17 CN CN201410475959.0A patent/CN104201075B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585394Y (en) * | 2002-11-29 | 2003-11-05 | 郑赞文 | Hot fusiable cut-out protector |
| CN1818422A (en) * | 2005-11-03 | 2006-08-16 | 哈尔滨工业大学 | Anti-blowing out device for reusable anti-blowing plug |
| CN2849944Y (en) * | 2005-11-29 | 2006-12-20 | 王文杰 | Liquid expansion type temp controller |
| CN101471201A (en) * | 2007-12-28 | 2009-07-01 | 宗翠红 | Heat-sensitive electric switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104201075A (en) | 2014-12-10 |
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Granted publication date: 20160622 Termination date: 20180917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |