CN116313683A - Overload fuse protector - Google Patents
Overload fuse protector Download PDFInfo
- Publication number
- CN116313683A CN116313683A CN202310032401.4A CN202310032401A CN116313683A CN 116313683 A CN116313683 A CN 116313683A CN 202310032401 A CN202310032401 A CN 202310032401A CN 116313683 A CN116313683 A CN 116313683A
- Authority
- CN
- China
- Prior art keywords
- fuse
- conductive
- overload
- current
- protector
- 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
- 230000001012 protector Effects 0.000 title claims abstract description 24
- 230000004907 flux Effects 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000012212 insulator Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920001342 Bakelite® Polymers 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004637 bakelite Substances 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims 1
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
-
- 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
- H01H85/165—Casings
- H01H85/17—Casings characterised by the casing material
-
- 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
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
Abstract
The invention provides an overload fuse protector, which comprises a hollow insulating shell, wherein two ends of the insulating shell are provided with second openings, conductive caps are arranged in the second openings, current fuses are arranged in the insulating shell, two ends of each current fuse are respectively connected with the conductive caps, second conductive leads extend outwards on the conductive caps, one ends of the second conductive leads are welded with the first conductive leads, and the other ends of the second conductive leads are connected with a temperature fuse. This application is switched on through current fuse and temperature fuse and is formed the series connection, when surpassing specific current, current fuse can be fused immediately and let the circuit break off in time, when surpassing specific temperature, and temperature fuse can be fused immediately and let the circuit break off in time, and when this overload fuse protector used like this, had played overcurrent and the dual protection of excess temperature to the circuit simultaneously, and the circuit is safe and reliable more to avoid the potential safety hazard, improve electrical product security.
Description
Technical Field
The invention relates to the field of circuit breakers, in particular to an overload fuse protector.
Background
The overload protector is a safety accessory, and has the function of preventing the battery from suddenly generating safety accidents such as fire with unknown reasons in the use process, and the overload protector can disconnect the circuit to prevent the safety accidents such as fire when the battery heats up beyond a specific temperature and a specific current. At present, a resettable temperature controller is arranged on a new energy automobile battery, and because the traditional resettable temperature controller is characterized in that a metal contact in a normally closed state is opened by deformation of a metal elastic sheet when meeting heat, so that a circuit is disconnected to play a role in protection.
Disclosure of Invention
In order to solve the above problems, the present application proposes an overload fuse protector that can perform both an overcurrent response and a temperature response.
The application provides an overload fuse protector, including hollow insulator, insulator both ends set up respectively and have first opening still establish the cover on the first opening and have sealed cap, be provided with electric current fuse and the temperature fuse of establishing ties each other in the insulator sealed cap is gone up respectively outwards to draw forth first conductive lead, the one end of first conductive lead is used for connecting the load, and the other end links to each other with electric current fuse and temperature fuse respectively.
Further, the current fuse comprises a hollow insulating shell, second openings are formed in two ends of the insulating shell, conductive caps are arranged in the second openings, current fuses are arranged in the insulating shell, two ends of each current fuse are connected with the conductive caps respectively, second conductive leads extend outwards on the conductive caps, one ends of the second conductive leads are welded with the first conductive leads, and the other ends of one ends of the second conductive leads are connected with the temperature fuse.
Further, the thermal fuse is made of tin, bismuth, indium, copper or silver, one end of the thermal fuse is connected with the second conductive lead, and the other end of the thermal fuse is connected with the first conductive lead.
Further, the insulating body and the insulating shell are made of ceramic, plastic, bakelite or thermoplastic sleeves.
Further, the first conductive lead is a polytetrafluoroethylene wire, and the second conductive lead is a copper wire.
Further, the thermal fuse may be hollow, and the inside thereof is filled with a flux.
Further, a flux is applied to the outside of the thermal fuse.
Furthermore, the insulating body is provided with a mounting positioning hole which is convenient for fixedly connecting the insulating body.
Further, an epoxy resin is filled between the current fuse and the temperature fuse and the insulating body.
Compared with the prior art, the invention has the beneficial effects that:
this application is linked through electric current fuse and temperature fuse each other and is switched on and form the series connection, and during this use, when surpassing specific electric current, electric current fuse can fuse immediately and let the circuit break off in time, or when surpassing specific temperature, temperature fuse can fuse immediately and let the circuit break off in time, has played overcurrent and the dual protection of excess temperature to the circuit simultaneously like this, and the circuit is safe and reliable more to avoid the potential safety hazard, improve electrical product security.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an overload fuse protector of the present application;
FIG. 2 is an exploded view of the overall structure of the overload fuse protector of the present application;
FIG. 3 is a schematic diagram of the current fuse and the temperature fuse in the overload fuse protector of the present application;
fig. 4 is a schematic structural view of a current fuse in the overload fuse protector of the present application.
Reference numerals and names in the drawings are as follows:
the insulation body 100, the first opening 110, the sealing cap 120, the first conductive lead 130, the current fuse 200, the temperature fuse 300, the insulation case 210, the second opening 220, the conductive cap 230, the current fuse 240, the second conductive lead 250, and the mounting positioning hole 140.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to the drawings, and referring to fig. 1-4, the overload fuse protector includes a hollow insulation body 100, two ends of the insulation body 100 are respectively provided with a first opening 110, a sealing cap 120 is covered on the first opening 110, the sealing cap 120 seals two ends of the insulation body 100 from the outside, a first conductive lead 130 is respectively provided on the sealing cap 120, a current fuse 200 and a temperature fuse 300 which are mutually connected in series are provided in the insulation body 100, the current fuse 200 includes a hollow insulation shell 210, two ends of the insulation shell 210 are provided with a second opening 220, the second opening 220 is provided with a conductive cap 230, the conductive cap 230 is tightly pressed on the second opening 220, a current fuse 240 is provided in the insulation shell 210, the two ends of the current fuse 240 are respectively connected to the conductive cap 230, quartz sand is filled between the current fuse 240 and the insulating case 210, a second conductive lead 250 is extended outward on the conductive cap 230, one end of the second conductive lead 250 is welded to the first conductive lead 130, the other end of the second conductive lead 250 is connected to the thermal fuse 300, the thermal fuse 300 is made of tin, bismuth, indium, copper or silver, the fusing temperature is set to 75-250 degrees, one end of the thermal fuse 300 is connected to the second conductive lead 250, the other end of the thermal fuse 300 is connected to the first conductive lead 130, in the above embodiment, the first conductive lead 130 is responsible for being connected to an external load, since the current fuse 200 is connected to the thermal fuse 300 to be conducted in series, when a specific current flows through a load, the current fuse 240 in the current fuse 200 can be immediately fused to disconnect the circuit in time, or when a specific temperature is exceeded, the temperature fuse 300 can be immediately fused to disconnect the circuit in time, so that when the overload fuse protector is used, the circuit is protected from overcurrent and overtemperature, the circuit is safer and more reliable, thereby avoiding potential safety hazards, improving the safety hazards of electric products, effectively preventing the abnormal high temperature and abnormal current generated by faults of electric components, and avoiding the occurrence of safety accidents.
Preferably, the material of the insulating body 100 and the insulating housing 210 may be ceramic, plastic, bakelite or thermoplastic bushing.
Preferably, the first conductive lead 130 is a polytetrafluoroethylene wire, and the second conductive lead 250 is a copper wire, and because the polytetrafluoroethylene wire has good high temperature resistance, can be continuously used at 260 ℃, has a maximum use temperature of 290-300 ℃, has extremely low friction coefficient, good wear resistance and excellent chemical stability, and has good conductivity at high temperature and high current, the polytetrafluoroethylene wire is more suitable for being connected with a load.
Preferably, the thermal fuse 300 may be hollow, and the inside thereof is filled with flux. The flux arrangement makes the temperature sensitivity of the thermal fuse 300 higher, and realizes more accurate fuse control.
Preferably, according to the above embodiment, a flux may be applied to the outside of the thermal fuse 300.
Preferably, the insulating body 100 is provided with mounting and positioning holes 140 for facilitating the fixed connection of the insulating body 100.
Preferably, the epoxy resin is filled between the current fusing part 200 and the temperature fusing part 300 and the insulating body 100, and the sealing effect can be further improved by matching with the sealing cap 120 while the insulating effect is ensured because the insulating performance of the epoxy resin is good, the structural strength is also high, and the sealing performance is good.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. Overload fuse protector, its characterized in that includes hollow insulator (100), insulator (100) both ends set up respectively and have first opening (110) set up on first opening (110) and cover and have sealed cap (120), be provided with electric current fuse (200) and temperature fuse (300) of establishing ties each other in insulator (100) sealed cap (120) are gone up respectively outwards and are drawn forth first conductive lead (130), the one end of first conductive lead (130) is used for connecting the load, and the other end links to each other with electric current fuse (200) and temperature fuse (300) respectively.
2. The overload fuse protector according to claim 1, wherein the current fuse (200) comprises a hollow insulating housing (210), second openings (220) are formed at two ends of the insulating housing (210), conductive caps (230) are arranged at the second openings (220), current fuses (240) are arranged in the insulating housing (210), two ends of each current fuse (240) are respectively connected with the conductive caps (230), second conductive leads (250) extend outwards on the conductive caps (230), one ends of the second conductive leads (250) are welded with the first conductive leads (130), and the other ends of the second conductive leads (250) are connected with the temperature fuse (300).
3. The overload fuse protector of claim 2, wherein the thermal fuse (300) is made of tin, bismuth, indium, copper or silver, one end of the thermal fuse (300) is connected to the second conductive lead (250), and the other end of the thermal fuse (300) is connected to the first conductive lead (130).
4. An overload fuse protector as claimed in claim 3, characterized in that the insulating body (100) and the insulating housing (210) are made of ceramic, plastic, bakelite or thermoplastic bushing.
5. The overload fuse protector of claim 4, wherein the first conductive lead (130) is a polytetrafluoroethylene wire and the second conductive lead (250) is a copper wire.
6. An overload fuse protector in accordance with claim 5, characterized in that the thermal fuse (300) is hollow and is filled with flux.
7. The overload fuse protector of claim 5, wherein flux is applied to the exterior of the thermal fuse (300).
8. The overload fuse protector of claim 7, wherein the insulative housing (100) is provided with mounting and positioning holes (140) for facilitating the fixed connection of the insulative housing (100).
9. The overload fuse protector of claim 8, wherein epoxy is filled between the current fuse (200) and the temperature fuse (300) and the insulating body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310032401.4A CN116313683A (en) | 2023-01-10 | 2023-01-10 | Overload fuse protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310032401.4A CN116313683A (en) | 2023-01-10 | 2023-01-10 | Overload fuse protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116313683A true CN116313683A (en) | 2023-06-23 |
Family
ID=86817553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310032401.4A Pending CN116313683A (en) | 2023-01-10 | 2023-01-10 | Overload fuse protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116313683A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0721887A (en) * | 1993-06-30 | 1995-01-24 | Nec Kansai Ltd | Composite fuse |
| JP2001043783A (en) * | 1999-07-29 | 2001-02-16 | Nec Kansai Ltd | Protective element |
| CN203300549U (en) * | 2013-05-29 | 2013-11-20 | 严钦华 | Temperature fuse protector with dual-protection function |
| CN209993563U (en) * | 2019-01-16 | 2020-01-24 | 厦门赛尔特电子有限公司 | High-voltage fusing device |
-
2023
- 2023-01-10 CN CN202310032401.4A patent/CN116313683A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0721887A (en) * | 1993-06-30 | 1995-01-24 | Nec Kansai Ltd | Composite fuse |
| JP2001043783A (en) * | 1999-07-29 | 2001-02-16 | Nec Kansai Ltd | Protective element |
| CN203300549U (en) * | 2013-05-29 | 2013-11-20 | 严钦华 | Temperature fuse protector with dual-protection function |
| CN209993563U (en) * | 2019-01-16 | 2020-01-24 | 厦门赛尔特电子有限公司 | High-voltage fusing device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |