CN110085496A - Automatic recovery type power fuse - Google Patents
Automatic recovery type power fuse Download PDFInfo
- Publication number
- CN110085496A CN110085496A CN201910322611.0A CN201910322611A CN110085496A CN 110085496 A CN110085496 A CN 110085496A CN 201910322611 A CN201910322611 A CN 201910322611A CN 110085496 A CN110085496 A CN 110085496A
- Authority
- CN
- China
- Prior art keywords
- conductive plate
- shell
- thermo
- fuse
- memory metal
- 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.)
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Classifications
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- 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
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
Abstract
The invention discloses automatic recovery type power fuses, including shell in the form of annular discs and it is threaded in the capping of the upper end, the interior bottom of the shell is equipped with groove, the interior bottom of the groove is fixedly connected with memory metal sheet, twisted shape is twisted into when the memory metal sheet room temperature, and temperature be more than transformation temperature in the form of sheets, it is located at axle center in the shell and is equipped with conductive plate, the lower end of the conductive plate is equipped with circular groove, the circular groove side wall is connected with ratchet by ratchet structure, the lower end of the ratchet is fixedly and coaxially connected in the upper end of memory metal sheet, the outer sheath of the conductive plate is equipped with fixed ring.The present invention can be when electric current be instantaneously excessive in circuit, circuit is cut off by the fusing of thermo-fuse, and by the way that multiple thermo-fuses are arranged, after the fusing of a upper thermo-fuse, next thermo-fuse can be made to access simultaneously turning circuit again, replacement thermo-fuse need not be carried out at once, can reduce the frequency of replacement thermo-fuse, it is easy to use.
Description
Technical field
The present invention relates to electrical facility technical field more particularly to automatic recovery type power fuses.
Background technique
In the power system, it usually needs setting fuse causes route to damage to prevent electric current in electric system excessive
It is bad, the short circuit of electric appliance and thundering can all cause electric current moment in electric system excessive in real life, so as to cause fusing
Fusible link in device overloads fusing.
Fuse or fusion tube are required manual replacement after fuse overload fusing for current fuse-type fuse, it could be extensive
Compound circuit, this will cause biggish trouble to ordinarily resident.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the automatic recovery type electric power fusing proposed
Device.
To achieve the goals above, present invention employs following technical solutions:
Automatic recovery type power fuse including shell in the form of annular discs and is threaded in the capping of the upper end, institute
The interior bottom for stating shell is equipped with groove, and the interior bottom of the groove is fixedly connected with memory metal sheet, and the memory metal sheet is normal
It is twisted into twisted shape when warm, and is more than that transformation temperature is located at equipped with conductive plate at axle center in the form of sheets, in the shell in temperature, it is described
The lower end of conductive plate is equipped with circular groove, and the circular groove side wall is connected with ratchet by ratchet structure, and the lower end of the ratchet is same
Axis is fixedly connected on the upper end of memory metal sheet, and the outer sheath of the conductive plate is equipped with fixed ring, and the fixed ring passes through connection
Bar is fixedly connected on the side wall of conductive plate, its circumferential direction of the upper end edge of the fixed ring is equidistantly fixedly connected with mounting base, institute
It states and multiple thermo-fuses is equidistantly installed between mounting base and conductive plate, conductive bullet is fixedly connected on the inner wall of the shell
Piece is fixedly connected with the second junction block on the side wall of the shell, and the second junction block is electrically connected with electroconductive elastic sheet, the capping
Upper end be connected with the first junction block, and the first junction block is electrically connected with conductive plate.
Preferably, cavity is equipped in the conductive plate, the circular groove is connected to cavity, and the lower end of the conductive plate is embedded with
Annular magnetic patch, the interior bottom of the shell are equipped with sliding slot corresponding with annular magnetic patch position, and sealing sliding connects in the sliding slot
It is connected to the magnetic pole attracting with annular magnetic patch, the interior of the sliding slot is equipped with heat expansion liquid.
Preferably, the conductive plate is made of thermally conductive good copper product.
The invention has the following advantages:
1, thermo-fuse heated fusing when excessive by electric current, cuts off circuit, and temperature when thermo-fuse fuses passes through conductive plate
It is transmitted to memory metal on piece with ratchet, when memory metal sheet reaches transformation temperature, memory metal sheet is twisted into sheet, Jin Ertong
The rotation of ratchet straps moving conductive disk is crossed, conductive plate rotation abuts against next new mounting base for being connected to thermo-fuse with electroconductive elastic sheet
Touching, is connected circuit again, reduces the frequency of replacement thermo-fuse, convenient and practical；
2, heat expansion liquid is liquid in winter, and magnetic pole moves down in sliding slot, and then moves down conductive plate, makes conductive plate
Closer to memory metal sheet, heat transfer distance shortens, and thermal losses is small, the heat for enabling thermo-fuse to generate in fusing
Memory metal sheet reaches transformation temperature, and then works normally breaker in cold winter；
3, using pure mechanic structure, therefore compared to the prior art, this product is safer, stablizes, and has longer use
Service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automatic recovery type power fuse proposed by the present invention；
Fig. 2 is the top view of automatic recovery type power fuse proposed by the present invention；
Fig. 3 is the structural schematic diagram of embodiment 2.
In figure: 1 shell, 2 grooves, 3 memory metal sheets, 4 heat expansion liquids, 5 electroconductive elastic sheets, 6 cappings, 7 conductive plates, 8 installations
Seat, 9 first junction blocks, 10 ratchets, 11 second junction blocks, 12 connecting rods, 13 thermo-fuses, 14 annular magnetic patch, 15 cavitys, 16 magnetic
Column, 17 sliding slots, 18 fixed rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-2, automatic recovery type power fuse including shell 1 in the form of annular discs and is threadedly coupled on it
The interior bottom of the capping 6 at end, shell 1 is equipped with groove 2, and the interior bottom of groove 2 is fixedly connected with memory metal sheet 3, memory metal
It is twisted into twisted shape when 3 room temperature of piece, and is more than that transformation temperature is located at axle center in the form of sheets, in shell 1 equipped with conductive plate 7 in temperature,
Conductive plate 7 is made of thermally conductive good copper product, and the lower end of conductive plate 7 is equipped with circular groove, and circular groove side wall is matched by ratchet structure
Conjunction is connected with ratchet 10, and the lower end of ratchet 10 is fixedly and coaxially connected in the upper end of memory metal sheet 3, and the outside of conductive plate 7 is arranged
There is fixed ring 18, fixed ring 18 is fixedly connected on the side wall of conductive plate 7 by connecting rod 12, and fixed ring 18 and connecting rod 12 are equal
It adopts and is made from an insulative material, its circumferential direction of the upper end edge of fixed ring 18 is equidistantly fixedly connected with mounting base 8, mounting base 8 and conduction
Multiple thermo-fuses 13 are equidistantly installed between disk 7, electroconductive elastic sheet 5, the side wall of shell 1 are fixedly connected on the inner wall of shell 1
On be fixedly connected with the second junction block 11, and the second junction block 11 is electrically connected with electroconductive elastic sheet 5, and the upper end for covering 6 is connected with
One junction block 9, and the first junction block 9 is electrically connected with conductive plate 7.
In the present invention, circuit, temperature when thermo-fuse 13 fuses are cut off in the heated fusing of thermo-fuse 13 when circuital current is excessive
Degree is transmitted on memory metal sheet 3 by conductive plate 7 and ratchet 10, when memory metal sheet 3 reaches transformation temperature, memory metal
Piece 3 is twisted into twisted shape, and then drives conductive plate 7 to rotate by ratchet 10, and conductive plate 7, which rotates, to be made next new to be connected to thermo-fuse
13 mounting base 8 is abutted with electroconductive elastic sheet 5, and circuit is connected again, since multiple thermo-fuses 13 are arranged, can reduce replacement
The frequency of thermo-fuse 13, with the reduction of temperature, memory metal sheet 3 reverts to twisted shape, since memory metal sheet 3 passes through ratchet
10 connect with conductive plate 7, so memory metal sheet 3 not will drive the rotation of conductive plate 7 when reverting to twisted shape from sheet.
Embodiment 2
Referring to Fig. 3, unlike the first embodiment, cavity 15 is equipped in conductive plate 7, circular groove is connected to cavity 15, conductive plate
7 lower end is embedded with annular magnetic patch 14, and the interior bottom of shell 1 is equipped with sliding slot 17 corresponding with annular 14 position of magnetic patch, sliding slot
Sealing slidably connects the magnetic pole 16 attracting with annular magnetic patch 14 in 17, and the interior of sliding slot 17 is equipped with heat expansion liquid 4.
In the present invention, since winter environment temperature is lower, temperature when thermo-fuse 13 fuses is being transmitted to memory metal sheet 3
During be lost larger, lead to the transformation temperature that memory metal sheet 3 is not achieved, therefore the principle of 2 solution of embodiment is,
Heat expansion liquid 4 is in winter liquid, and magnetic pole 16 moves down in electroconductive elastic sheet 5, and then moves down conductive plate 7, makes conductive plate 7
Closer to memory metal sheet 3, heat transfer distance shortens, and thermal losses is small, the heat for generating thermo-fuse 13 in fusing
Can memory metal sheet 3 reach transformation temperature, and then work normally breaker in cold winter.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (3)
1. automatic recovery type power fuse, which is characterized in that including shell (1) in the form of annular discs and be threadedly coupled on it
The interior bottom of the capping (6) at end, the shell (1) is equipped with groove (2), and the interior bottom of the groove (2) is fixedly connected with memory
Sheet metal (3), when memory metal sheet (3) room temperature, are twisted into twisted shape, and temperature be more than transformation temperature in the form of sheets, the shell
It is located at axle center in body (1) and is equipped with conductive plate (7), the lower end of the conductive plate (7) is equipped with circular groove, and the circular groove side wall passes through spine
Toothing is connected with ratchet (10), and the lower end of the ratchet (10) is fixedly and coaxially connected in the upper end of memory metal sheet (3),
The outer sheath of the conductive plate (7) is equipped with fixed ring (18), and the fixed ring (18) is fixedly connected on by connecting rod (12) and is led
On the side wall of electroplax (7), its circumferential direction of the upper end edge of the fixed ring (18) is equidistantly fixedly connected with mounting base (8), the peace
It is equidistantly equipped with multiple thermo-fuses (13) between dress seat (8) and conductive plate (7), is fixedly connected on the inner wall of the shell (1)
Have electroconductive elastic sheet (5), be fixedly connected with the second junction block (11) on the side wall of the shell (1), and the second junction block (11) with
The upper end of electroconductive elastic sheet (5) electrical connection, the capping (6) is connected with the first junction block (9), and the first junction block (9) and conduction
Disk (7) electrical connection.
2. automatic recovery type power fuse according to claim 1, which is characterized in that be equipped in the conductive plate (7)
Cavity (15), the circular groove are connected to cavity (15), and the lower end of the conductive plate (7) is embedded with annular magnetic patch (14), the shell
The interior bottom of body (1) is equipped with sliding slot (17) corresponding with annular magnetic patch (14) position, and sealing sliding connects in the sliding slot (17)
It is connected to the magnetic pole (16) attracting with annular magnetic patch (14), the interior of the sliding slot (17) is equipped with heat expansion liquid (4).
3. automatic recovery type power fuse according to claim 1, which is characterized in that the conductive plate (7) uses and leads
The good copper product of heat is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910322611.0A CN110085496B (en) | 2019-04-22 | 2019-04-22 | Automatic recovery type electric fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910322611.0A CN110085496B (en) | 2019-04-22 | 2019-04-22 | Automatic recovery type electric fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110085496A true CN110085496A (en) | 2019-08-02 |
| CN110085496B CN110085496B (en) | 2020-10-27 |
Family
ID=67415950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910322611.0A Active CN110085496B (en) | 2019-04-22 | 2019-04-22 | Automatic recovery type electric fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110085496B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828256A (en) * | 2019-11-28 | 2020-02-21 | 曹欢 | Safety fuse convenient to change fuse-element |
| CN110867356A (en) * | 2019-11-24 | 2020-03-06 | 安徽明坤电器设备有限公司 | Fuse and installation method thereof |
| CN110890254A (en) * | 2019-11-14 | 2020-03-17 | 吴永权 | Electric power is with current protector that opens circuit |
| CN111430199A (en) * | 2020-04-09 | 2020-07-17 | 邓云 | Fuse protector |
| CN111613448A (en) * | 2020-06-12 | 2020-09-01 | 柏承文 | Electrolytic capacitor with overheat and overcurrent protection |
| CN111968895A (en) * | 2020-08-10 | 2020-11-20 | 胡小芹 | Ultralow-loss self-recovery fuse |
| CN112060959A (en) * | 2020-09-15 | 2020-12-11 | 唐培钧 | Prevent overheated high-power electric pile that fills of mode from |
| CN112103916A (en) * | 2020-10-19 | 2020-12-18 | 单奇 | Detection type overcurrent protection device convenient to judge |
| CN112885676A (en) * | 2020-12-25 | 2021-06-01 | 宫二平 | Self-starting fuse for power protection |
| CN113012980A (en) * | 2021-03-22 | 2021-06-22 | 邓琮 | Power fuse based on power safety and use method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US966783A (en) * | 1907-10-12 | 1910-08-09 | Charles Almas | Multiple-fuse cut-out. |
| US1873488A (en) * | 1931-03-10 | 1932-08-23 | Henry F Schmidt | Self loading fuse box |
| CN205723407U (en) * | 2016-04-01 | 2016-11-23 | 国网江西省电力公司南昌供电分公司 | A kind of fuse box |
| CN206175515U (en) * | 2016-11-21 | 2017-05-17 | 重庆理工大学 | Control by temperature change V -arrangement friction centrifugal slider formula clutch |
| CN108252883A (en) * | 2017-12-30 | 2018-07-06 | 哈尔滨工业大学深圳研究生院 | A kind of flexible rotating driver based on shape-memory alloy wire |
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2019
- 2019-04-22 CN CN201910322611.0A patent/CN110085496B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US966783A (en) * | 1907-10-12 | 1910-08-09 | Charles Almas | Multiple-fuse cut-out. |
| US1873488A (en) * | 1931-03-10 | 1932-08-23 | Henry F Schmidt | Self loading fuse box |
| CN205723407U (en) * | 2016-04-01 | 2016-11-23 | 国网江西省电力公司南昌供电分公司 | A kind of fuse box |
| CN206175515U (en) * | 2016-11-21 | 2017-05-17 | 重庆理工大学 | Control by temperature change V -arrangement friction centrifugal slider formula clutch |
| CN108252883A (en) * | 2017-12-30 | 2018-07-06 | 哈尔滨工业大学深圳研究生院 | A kind of flexible rotating driver based on shape-memory alloy wire |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890254A (en) * | 2019-11-14 | 2020-03-17 | 吴永权 | Electric power is with current protector that opens circuit |
| CN110867356A (en) * | 2019-11-24 | 2020-03-06 | 安徽明坤电器设备有限公司 | Fuse and installation method thereof |
| CN110828256A (en) * | 2019-11-28 | 2020-02-21 | 曹欢 | Safety fuse convenient to change fuse-element |
| CN111430199A (en) * | 2020-04-09 | 2020-07-17 | 邓云 | Fuse protector |
| CN111613448A (en) * | 2020-06-12 | 2020-09-01 | 柏承文 | Electrolytic capacitor with overheat and overcurrent protection |
| CN111968895A (en) * | 2020-08-10 | 2020-11-20 | 胡小芹 | Ultralow-loss self-recovery fuse |
| CN112060959A (en) * | 2020-09-15 | 2020-12-11 | 唐培钧 | Prevent overheated high-power electric pile that fills of mode from |
| CN112060959B (en) * | 2020-09-15 | 2021-07-23 | 嘉兴德基机械设计有限公司 | Prevent overheated high-power electric pile that fills of mode from |
| CN112103916A (en) * | 2020-10-19 | 2020-12-18 | 单奇 | Detection type overcurrent protection device convenient to judge |
| CN112103916B (en) * | 2020-10-19 | 2021-04-27 | 新昌县银邦电力科技有限公司 | Detection type overcurrent protection device convenient to judge |
| CN112885676A (en) * | 2020-12-25 | 2021-06-01 | 宫二平 | Self-starting fuse for power protection |
| CN113012980A (en) * | 2021-03-22 | 2021-06-22 | 邓琮 | Power fuse based on power safety and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110085496B (en) | 2020-10-27 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200925 Address after: 311800 Yidong village, Jiyang street, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: ZHEJIANG ZHUJI ZELIANG STEEL STRUCTURE Co.,Ltd. Address before: 621000 Mianyang City, Sichuan province Fucheng District Road No. 35 cotton Applicant before: Jiang Jin |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220725 Address after: 311800 No. 501, Keng Xi Xin Cun, Paitou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Louze Address before: 311800 Fujia nature village, Yidong village, Jiyang street, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG ZHUJI ZELIANG STEEL STRUCTURE Co.,Ltd. |
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| TR01 | Transfer of patent right |