CN103545151A - Circuit protection switch - Google Patents
Circuit protection switch Download PDFInfo
- Publication number
- CN103545151A CN103545151A CN201310527241.7A CN201310527241A CN103545151A CN 103545151 A CN103545151 A CN 103545151A CN 201310527241 A CN201310527241 A CN 201310527241A CN 103545151 A CN103545151 A CN 103545151A
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- CN
- China
- Prior art keywords
- armature
- protection switch
- push rod
- circuit
- slide block
- 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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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to a circuit protection switch. The circuit protection switch comprises an armature, a lock pin, a magnet yoke and a circuit sliding block. A push rod is arranged at the right end of the armature and penetrates through a spring, both the push rod and the armature are arranged in a coil, the push rod can move to the right under the action of a magnetic field and can act on the circuit sliding block. The circuit protection switch is few in parts, easy to machine, and stable and safe in performance.
Description
Technical field
The present invention relates to field of switches, be specifically related to a kind of switch for route protection.
Background technology
Line protection switch has the function that circuit and overload cut-out circuit are cut off in short circuit; when current anomaly is high; namely during a kind of short circuit current; line protection switch is by open circuit; because it is the cut-out of magnetic that short circuit is cut off; so when mobile electric current is higher constantly, namely surpass constantly a boundary value, the electric current in protection switch line disconnection.
Now adopt oil-cup type release with do overcurrent and (or) circuit breaker or the switch of short-circuit protection, its oil-cup type release is an electromagnet system that comprises lubricating cup, coil, yoke, armature and back-moving spring etc.Armature is the iron plate of a bending or not bending.Armature is by contacting and connect as one with modes such as the yoke edge of a knife or rotating shafts, and can be around rotations such as the edge of a knife or rotating shafts.The plane of armature one end is that pole-face is corresponding with lubricating cup pole-face, and the other end is corresponding with the dropout part of release in circuit breaker or switch.When there is overcurrent or short circuit; this oil-cup type circuit breaker or switch are through certain time-delay; the pole-face of armature can be by adhesive; simultaneously around rotations such as the edge of a knife or rotating shafts; the dropout part of the release not directly being connected with this lubricating cup release in armature promotion or flap circuit breaker or switch; the release of circuit breaker or switch is threaded off, thereby reach the object of power-off protection.After power-off, the back-moving spring being connected with armature automatically resets armature.This mode exists that parts are more, the rotating shaft of yoke or armature or the shortcoming such as knife-edge part processing request is higher, tripping force is difficult to improve, performance is stable not.
Summary of the invention
The object of the invention is to, propose a kind of no matter preposition or rearmounted line protection switch that can install, this line protection switch has simple especially structure and stable performance.
The object of the invention is to realize by following technical scheme: a kind of line protection switch; comprise armature, lock pin, yoke, circuit slide block; described armature right-hand member is provided with push rod; described push rod is through spring; within described push rod and armature are arranged on coil; described push rod can move right under magnetic fields, and can act on circuit slide block.
Described armature has the portion of leaving a blank, and in the portion of leaving a blank, can lock armature described in lock pin is inserted into.
Described circuit slide block linking springs, has automatic return function.
Described yoke wraps coil.
Adopt technique scheme, when electric current is excessive in circuit, by coil current, increase; produce magnetic flux also increases thereupon; armature with push rod moves to left end, promotes circuit slide block and moves, and circuit disconnects; lock pin is inserted into the portion of leaving a blank; restrain armature and move, improve the stability of a system, and these line protection switch parts are few; processing is simple, stable performance safety.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of line protection switch of the present invention.
In figure, 1, lock pin, 2, the portion of leaving a blank, 3, armature, 4, coil, 5, spring, 6, push rod, 7, slide block, 8, yoke.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment; as shown in Figure 1: a kind of line protection switch; comprise armature 3, lock pin 1, yoke 8, the circuit slide block 7 with push rod; described armature 3 right-hand members are provided with push rod 6; described push rod 6 is through spring; within described push rod 6 and armature 3 are all arranged on coil 4, described push rod 6 can move right under magnetic fields, and can act on circuit slide block 7.
Described armature 3 has the portion of leaving a blank 2, in the portion 2 of leaving a blank, can lock armature described in lock pin 1 is inserted into.
Described circuit slide block 7 linking springs 5, have automatic return function.
Described yoke 8 wraps coil 4, can be fine by magnetic line of force effect band armature 3.
When there is current overload or short circuit, the magnetic field that coil 4 produces is very high, be that the power that armature 3 overcomes spring 5 moves to right-hand member, movably circuit slide block 7 is toward right-hand member promotion, circuit disconnects, and armature 3 is in right-hand member moving process, armature 3 left ends have reserved the portion of leaving a blank 2, lock pin 1 end is properly inserted in the portion of leaving a blank 2, and lock pin 1 will lock armature 3, and line protection switch has disconnected circuit; When circuit recover normal after, extract lock pin 1, armature 3 will resilience, circuit slide block 7 is also resilience under the effect of spring 5, circuit recovers.For fear of lock pin 1 error property operation, can consider provides electronic monitoring device to monitor.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a line protection switch; comprise armature (3), lock pin (1), yoke (8), circuit slide block (7); it is characterized in that: described armature (3) right-hand member is provided with push rod (6); described push rod (6) is through spring; within described push rod (6) and armature (3) are all arranged on coil (4); described push rod (6) can move right under magnetic fields, and can act on circuit slide block (7).
2. line protection switch according to claim 1, is characterized in that: described armature (3) has the portion of leaving a blank (2), in the portion (2) of leaving a blank, can lock armature (3) described in lock pin (1) is inserted into.
3. line protection switch according to claim 1, is characterized in that: described circuit slide block (7) linking springs (5), has automatic return function.
4. line protection switch according to claim 1, is characterized in that: described yoke (8) wraps coil (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527241.7A CN103545151A (en) | 2013-10-30 | 2013-10-30 | Circuit protection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527241.7A CN103545151A (en) | 2013-10-30 | 2013-10-30 | Circuit protection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103545151A true CN103545151A (en) | 2014-01-29 |
Family
ID=49968515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310527241.7A Pending CN103545151A (en) | 2013-10-30 | 2013-10-30 | Circuit protection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103545151A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950099A (en) * | 2019-03-29 | 2019-06-28 | 杭州奇伶服饰有限公司 | A kind of circuit emergency protective device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19845476B4 (en) * | 1998-10-02 | 2004-08-12 | Aeg Niederspannungstechnik Gmbh & Co Kg | Magnetic system for miniature circuit breakers |
| EP1926119A1 (en) * | 2006-11-23 | 2008-05-28 | Siemens Aktiengesellschaft | Automatic cut-out |
| CN101461022A (en) * | 2006-06-12 | 2009-06-17 | 埃伦贝格尔及珀恩斯根有限公司 | Protection switch |
| WO2012123307A1 (en) * | 2011-03-16 | 2012-09-20 | Abb Ag | Magnet system and installation switchgear |
| CN103247491A (en) * | 2013-05-14 | 2013-08-14 | 常熟瑞特电气股份有限公司 | Back-up protection device for frame-type circuit breaker |
-
2013
- 2013-10-30 CN CN201310527241.7A patent/CN103545151A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19845476B4 (en) * | 1998-10-02 | 2004-08-12 | Aeg Niederspannungstechnik Gmbh & Co Kg | Magnetic system for miniature circuit breakers |
| CN101461022A (en) * | 2006-06-12 | 2009-06-17 | 埃伦贝格尔及珀恩斯根有限公司 | Protection switch |
| EP1926119A1 (en) * | 2006-11-23 | 2008-05-28 | Siemens Aktiengesellschaft | Automatic cut-out |
| WO2012123307A1 (en) * | 2011-03-16 | 2012-09-20 | Abb Ag | Magnet system and installation switchgear |
| CN103247491A (en) * | 2013-05-14 | 2013-08-14 | 常熟瑞特电气股份有限公司 | Back-up protection device for frame-type circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950099A (en) * | 2019-03-29 | 2019-06-28 | 杭州奇伶服饰有限公司 | A kind of circuit emergency protective device |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140129 |