CN205789832U - A kind of reusable electric fuse - Google Patents
A kind of reusable electric fuse Download PDFInfo
- Publication number
- CN205789832U CN205789832U CN201620486003.5U CN201620486003U CN205789832U CN 205789832 U CN205789832 U CN 205789832U CN 201620486003 U CN201620486003 U CN 201620486003U CN 205789832 U CN205789832 U CN 205789832U
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- CN
- China
- Prior art keywords
- electric fuse
- magnet steel
- hard contact
- binding post
- reusable
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of reusable electric fuse, including electric fuse body, the first binding post, the second binding post and the hard contact being arranged in electric fuse, magnet steel for adsorbing metal contact and back-moving spring；Described hard contact is fabricated from iron, described first binding post is arranged on one end of electric fuse body, second binding post is arranged on the other end of electric fuse body, described magnet steel and the electrical connection of the first binding post, one end of described back-moving spring is fixed with hard contact, the other end and the electrical connection of the second terminal；Described hard contact contacts with magnet steel and adhesive under external force, and loop turns on；When electric current is excessive, magnet steel loss of excitation, hard contact separates with magnet steel under spring tension effect, and loop disconnects.This utility model has the advantage that simple in construction, production cost are low, easy to operate, easy to use.
Description
Technical field
This utility model relates to electric fuse field, particularly relates to a kind of reusable electric fuse.
Background technology
Electric fuse is circuit protective element device conventional on various electric machine circuit.At present in household electrical appliances circuit
Although electric fuse parameter used is slightly different, but its principle, characteristic are just as, and are all at electricity
In the case of flowing through greatly, (leak electricity, short-circuit, electrical network surge is excessive) fusing, cuts off and power supply (electrical network)
Connection, thus reach protect electrical equipment purpose.But the operation principle of electric fuse uses molten mostly at present
Off line system, the most often occurs abnormal conditions just to fuse an electric fuse.The electric fuse of fusing can not repeat
Use, need the electric fuse electrical equipment more renewed just can work on, operate cumbersome, Er Qiehui
Cause the unnecessary wasting of resources.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, operation
Convenient reusable electric fuse.
The purpose of this utility model is achieved through the following technical solutions:
A kind of reusable electric fuse, including electric fuse body, the first binding post, the second wiring
Terminal and the hard contact being arranged in electric fuse, magnet steel for adsorbing metal contact and reset bullet
Spring.Described hard contact is fabricated from iron.Described first binding post and the second binding post are used to connect
Electric fuse and domestic circuit, described first binding post is arranged on one end of electric fuse body, the second wiring
Terminal is arranged on the other end of electric fuse body.Described magnet steel and the electrical connection of the first binding post, described multiple
One end of position spring is fixed with hard contact, the other end and the electrical connection of the second terminal.
Magnet steel does not contacts with hard contact, and this loop is in disconnected the most by default
Open state.When loop connected by needs, described hard contact is moved at magnet steel corresponding thereto, magnet steel
Relatively strong suction is had to be held by hard contact at normal temperatures, from the first binding post to the second binding post
Line conduction.During circuit abnormal situation (short circuit, thunderbolt, electrical network surge excessive), flow through magnet steel
Electric current excessive, the temperature of magnet steel raises rapidly, and the heat of generation increases, and the magnetic of magnet steel weakens rapidly,
When the suction of magnet steel is less than the pulling force of spring, hard contact separates with magnet steel under the pulling force effect of spring,
This loop disconnects, it is ensured that household electrical appliance are not damaged by.When, after failture evacuation, moving hard contact to magnet steel
Place's adhesive, loop just can turn on again, and electric fuse can also reuse.
As preferred version of the present utility model, the lateral layout of described electric fuse body is demountable structure,
This side can be one or more, when electric loop connected by needs, only need to be torn open one of them side
Under, stir the hard contact on back-moving spring, make hard contact contact adhesive with magnet steel, now circuit is led
Logical, then the side pulled down is installed, simple in construction, convenient to use, repetition can be saved
The step of installation insurance silk.
Preferably, electric fuse body provided by the utility model is made up of ceramic insulating material.This pottery
Material both can insulate, it is ensured that the life security of installation personnel, and magnet steel can be helped again to dispel the heat, and reduces and protects
The heat of danger silk body inner accumulated.
As preferred version of the present utility model, described magnet steel is made up of permanent magnet and temperature-sensitive soft magnetism, is made
Magnet steel produces different magnetic field (temperature is the highest, and magnetic field is the most weak) under different Curie temperature, it is achieved thereby that
Automatic shutdown circuit when current is excessive, the purpose of protection electrical equipment.
Preferably, described back-moving spring is designed as stretching spring, and back-moving spring makes metal by default
Contact separates with magnet steel；When after circuit ON, the suction-combining force direction phase of the restoring force of back-moving spring and magnet steel
Instead, therefore, after abnormal conditions occurs in circuit, magnet steel loss of excitation, the restoring force of back-moving spring hauls metal and touches
After point returns in situ, and abnormal conditions are got rid of, hard contact also will not automatically and magnet steel adhesive, it is ensured that
The personal safety of installation personnel.
Work process of the present utility model and principle be: this utility model is opened with reference to the temperature control of ordinary electric rice cooker
Closing operation principle, applied on electric fuse, designing can be with reusable electric fuse, this insurance
Silk mainly includes electric fuse body, is arranged on the binding post at electric fuse body two ends and is arranged on guarantor
Danger magnet steel, hard contact and back-moving spring within silk, the main component of hard contact is ferrum, and magnet steel leads to
Crossing the suction-combining force to turn on hard contact, after breaking down, the magnetic force of magnet steel disappears, and hard contact is resetting
Return under the restoring force effect of spring in situ, thus cut off circuit loop, protect household electrical appliances circuit.This practicality
Novel have the advantage that simple in construction, production cost are low, easy to operate, easy to use.
Compared with prior art, this utility model also has the advantage that
(1) this utility model uses non-Fuse Type principle, and electric fuse can repeat to make after cutting off circuit
With, it is achieved that the recycling of electric fuse in household electrical appliance circuit, reach the purpose economized on resources.
(2) electric fuse that this utility model provides can be reused, and only hard contact need to be pulled out magnet steel
Side, easy to operate, it is to avoid after blown fuse, applicable electric fuse can not be found at once
The appearance of situation about being replaced.
(3) electric fuse provided by the utility model will not automatically reset after cut-off loop, it is ensured that peace
The safety of dress personnel.
(4) simple in construction of the present utility model, reliable operation, cut-out circuit effective, the most applicable
In household appliances circuit.
Accompanying drawing explanation
Fig. 1 is the front sectional view of the reusable electric fuse of this utility model.
Fig. 2 is the left view sectional view of the reusable electric fuse of this utility model.
Fig. 3 is the vertical view cutaway drawing of the reusable electric fuse of this utility model.
Label declaration in above-mentioned accompanying drawing: 1-electric fuse body, 2-the first binding post, 3-the second wiring
Terminal, 4-hard contact, 5-magnet steel, 6-back-moving spring.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, referring to attached
Figure develops simultaneously, and the utility model is described in further detail for embodiment.
Embodiment 1:
As shown in Figure 1, Figure 2 and Figure 3, the utility model discloses a kind of reusable electric fuse,
Including electric fuse body the 1, first binding post the 2, second binding post 3 and be arranged in electric fuse
Hard contact 4, magnet steel 5 for adsorbing metal contact 4 and back-moving spring 6.Described hard contact 4
It is fabricated from iron.Described first binding post 2 and the second binding post 3 are used to connect electric fuse and domestic
Circuit, described first binding post 2 is arranged on one end of electric fuse body 1, and the second binding post 3 sets
Put the other end at electric fuse body 1.Described magnet steel 5 electrically connects with the first binding post 2, described multiple
One end of position spring 6 is fixed with hard contact 4, the other end and the electrical connection of the second terminal.
Magnet steel 5 does not contacts with hard contact 4, the most by default at this loop
In off-state.When loop connected by needs, move described hard contact 4 to magnet steel 5 corresponding thereto
Place, magnet steel 5 has relatively strong suction to be held by hard contact 4 at normal temperatures, from the first binding post 2 to the
Line conduction between three binding posts.(short circuit, thunderbolt, electrical network surge during circuit abnormal situation
Excessive), the electric current flowing through magnet steel 5 is excessive, and the temperature of magnet steel 5 raises rapidly, and the heat of generation increases,
The magnetic of magnet steel 5 weakens rapidly, and when the suction of magnet steel 5 is less than the pulling force of spring, hard contact 4 exists
Separating with magnet steel 5 under the pulling force effect of spring, this loop disconnects, it is ensured that household electrical appliance are not damaged by.When
After failture evacuation, moving hard contact 4 at magnet steel 5 adhesive, loop just can turn on again, electric fuse
Can also reuse.
As preferred version of the present utility model, the lateral layout of described electric fuse body 1 is detachable knot
Structure, this side can be one or more, when electric loop connected by needs, only need to be by one of them side
Face is pulled down, and stirs the hard contact 4 on back-moving spring 6, makes hard contact 4 contact adhesive with magnet steel 5,
Now circuit turn-on, then the side pulled down is installed, simple in construction, convenient to use, can
To save the step repeating installation insurance silk.
Preferably, electric fuse body 1 provided by the utility model is made up of ceramic insulating material.This pottery
Ceramic material both can insulate, it is ensured that the life security of installation personnel, magnet steel 5 can be helped again to dispel the heat, subtract
The heat of few electric fuse body 1 inner accumulated.
As preferred version of the present utility model, described magnet steel 5 is made up of permanent magnet and temperature-sensitive soft magnetism,
Magnet steel 5 is made to produce different magnetic field (temperature is the highest, and magnetic field is the most weak) under different Curie temperature, thus real
Automatic shutdown circuit when current is excessive, the purpose of protection electrical equipment are showed.
Preferably, described back-moving spring 6 is designed as stretching spring, and back-moving spring 6 makes by default
Hard contact 4 separates with magnet steel 5；When after circuit ON, the restoring force of back-moving spring 6 and magnet steel 5
The suction-combining force is in opposite direction, therefore, after there are abnormal conditions in circuit, and magnet steel 5 loss of excitation, back-moving spring 6
After restoring force hauls hard contact 4 and returns in situ, and abnormal conditions are got rid of, hard contact 4 also will not
Automatically and magnet steel 5 adhesive, it is ensured that the personal safety of installation personnel.
This utility model installation operation order before use is, it is necessary first to insulation crust is dismountable
One side disassembles, and then the hard contact 4 of the inside is drawn to opposite, and adsorbs on magnet steel 5,
Then this electric circuit just connects, and finally the one side removed is reinstalled, binding post and household electrical appliances
Circuit connects and just can normally work.When household electrical appliance normally work, owing to magnet steel 5 has one
Determine resistance, therefore can produce certain heat, but owing to operating current is little, rely on insulation crust (this
Embodiment uses potsherd as the bulk material of electric fuse) be enough to discharge heat, and can ensure that magnet steel
5 with the normal adhesive of hard contact 4.
Work process of the present utility model and principle be: this utility model is opened with reference to the temperature control of ordinary electric rice cooker
Closing operation principle, applied on electric fuse, designing can be with reusable electric fuse, this insurance
Silk mainly includes electric fuse body 1, the binding post being arranged on electric fuse body 1 two ends and arranges
At the magnet steel 5 within electric fuse, hard contact 4 and back-moving spring 6, the main component of hard contact 4 is
Ferrum, magnet steel 5 is turned on hard contact 4 by the suction-combining force, and after breaking down, the magnetic force of magnet steel 5 disappears,
Hard contact 4 returns in situ under the restoring force effect of back-moving spring 6, thus cuts off circuit loop, protects
Protect household electrical appliances circuit.It is low, easy to operate, easy to use that this utility model has simple in construction, production cost
Advantage.
Above-described embodiment is this utility model preferably embodiment, but embodiment of the present utility model is also
It is not restricted to the described embodiments, other any without departing under spirit of the present utility model and principle
The change made, modify, substitute, combine, simplify, all should be the substitute mode of equivalence, be included in
Within protection domain of the present utility model.
Claims (5)
1. a reusable electric fuse, it is characterised in that include electric fuse body, the first wiring
Terminal, the second binding post and the hard contact being arranged in electric fuse, for adsorbing metal contact
Magnet steel and back-moving spring；Described hard contact is fabricated from iron, and described first binding post is arranged on insurance
One end of silk body, the second binding post is arranged on the other end of electric fuse body, described magnet steel and first
Binding post electrically connects, and one end of described back-moving spring is fixed with hard contact, the other end and the second terminal
Electrical connection；Described hard contact contacts with magnet steel and adhesive under external force, and loop turns on；Electric current mistake
Time big, magnet steel loss of excitation, hard contact separates with magnet steel under spring tension effect, and loop disconnects.
Reusable electric fuse the most according to claim 1, it is characterised in that described insurance
The side of silk body is demountable structure.
Reusable electric fuse the most according to claim 1, it is characterised in that described insurance
Silk body is made up of ceramic insulating material.
Reusable electric fuse the most according to claim 1, it is characterised in that described magnet steel
It is made up of permanent magnet and temperature-sensitive soft magnetism.
Reusable electric fuse the most according to claim 1, it is characterised in that described reset
Spring is stretching spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486003.5U CN205789832U (en) | 2016-05-24 | 2016-05-24 | A kind of reusable electric fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486003.5U CN205789832U (en) | 2016-05-24 | 2016-05-24 | A kind of reusable electric fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789832U true CN205789832U (en) | 2016-12-07 |
Family
ID=58114087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620486003.5U Expired - Fee Related CN205789832U (en) | 2016-05-24 | 2016-05-24 | A kind of reusable electric fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789832U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706060A (en) * | 2017-11-21 | 2018-02-16 | 无锡市洗选设备厂 | A kind of electric machinery fuse |
| CN110838396A (en) * | 2019-12-04 | 2020-02-25 | 湖南省安能电子有限公司 | Magnetic power-off fuse resistor |
| CN118098902A (en) * | 2024-04-25 | 2024-05-28 | 旭程电子(深圳)有限公司 | High-voltage fuse and method for breaking high-voltage fuse |
-
2016
- 2016-05-24 CN CN201620486003.5U patent/CN205789832U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706060A (en) * | 2017-11-21 | 2018-02-16 | 无锡市洗选设备厂 | A kind of electric machinery fuse |
| CN110838396A (en) * | 2019-12-04 | 2020-02-25 | 湖南省安能电子有限公司 | Magnetic power-off fuse resistor |
| CN110838396B (en) * | 2019-12-04 | 2022-05-20 | 湖南省安能电子有限公司 | Magnetic power-off fuse resistor |
| CN118098902A (en) * | 2024-04-25 | 2024-05-28 | 旭程电子(深圳)有限公司 | High-voltage fuse and method for breaking high-voltage fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |