CN200979862Y - A low-power permanent magnetic trip coil - Google Patents
A low-power permanent magnetic trip coil Download PDFInfo
- Publication number
- CN200979862Y CN200979862Y CN 200620048348 CN200620048348U CN200979862Y CN 200979862 Y CN200979862 Y CN 200979862Y CN 200620048348 CN200620048348 CN 200620048348 CN 200620048348 U CN200620048348 U CN 200620048348U CN 200979862 Y CN200979862 Y CN 200979862Y
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- iron core
- slideway
- support body
- energy consumption
- static
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Abstract
The utility model relates to a low energy consumption permanent magnetic trip coil, comprising a frame body provided with a slide track inside, a movable iron core provided in the slide track movable between a first location and a second location along the slide track, a static iron core opposite the movable iron core fixed on the bottom of the frame body to seal the slide track, a spring provided between the movable iron core and the static iron core, and a coil provided on the outer side of the frame body, along the frame body slide track axis, and provided with a permanent magnet below. The low energy consumption permanent magnetism trip coil of the utility model reacts sensitively which is able to react electrical impulse signal of millisecond level, while the utility model improves the stability at the first location and the second location greatly, and the permanent magnet provided on the bottom of the static iron core further strengthens the stability of the movable iron core on the second location, and reduces the energy consumption of the contact between the movable iron core and the static movable iron on the second location, thereby helping practical use.
Description
Technical field
A kind of tripping mechanism of the utility model relate generally to relates to a kind of low energy consumption permanent magnetism tripping coil that is in open circuit under the improper situation at circuit especially.
Background technology
Tripping mechanism is in the actuator that separates fixed contact and moving contact open circuit under the improper situation as circuit breaker at circuit, extensively applies to reach in other the on-load switch mechanism in the circuit breaker.Tripping mechanism is divided into mechanical tripping mechanism and electromagnetic releaser mechanism, and most electromagnetic type mechanism is made up of the outer solenoid of moving iron core, moving iron core, static iron core, stage clip etc.The primary importance and the second place are arranged equally,, promptly give tacit consent to not operate condition, withstand by stage clip between moving iron core and the static iron core in primary importance, external electromagnetic coil not electric, so this state of maintenance.During dropout, external electromagnetic coil gets electric, forms magnetic field, and moving iron core begins to slide up to fitting tightly with static iron core, and keeps this state.When the solenoid dead electricity, this state can't keep owing to the elastic force of stage clip.The defective of this kind electromagnetic releaser mechanism is as follows: the one, and moving iron core is switched in a long time and could be combined closely with static iron core, push rod is ejected dropout, so the response time is longer; The 2nd, moving iron core energising during this period of time in will overcome stage clip always elastic force contact with static iron core, energy consumption is bigger.
Chinese patent CN 200520074002.1 provides a kind of electromagnetic breaker tripping mechanism, comprise iron core, the moving contact component that matches with iron core and be arranged on the outer tripping coil of iron core, iron core is connected and composed by dropout iron core and the movable sliding sleeve of impact iron core, the front end of dropout iron core passes and impacts iron core control moving contact component, the rear end roof pressure is on back-moving spring, back-moving spring and yoke offset, and between impact iron core and dropout iron core the impact iron core return-spring are set.But also there are two class defectives recited above in this patent, and also not enough in the stability of the hold mode of the second place.
The utility model content
Technical problem to be solved in the utility model be to provide a kind of low energy consumption, response time short, at primary importance and all stable low energy consumption permanent magnetism tripping coil of second place state, to solve the weak point that existing tripping coil exists.
The technical problem that the utility model solved can realize by the following technical solutions:
A kind of low energy consumption permanent magnetism tripping coil comprises:
One inside is provided with the support body of slideway;
One is located in the inner slideway of support body, the moving iron core that can move between the primary importance and the second place along slideway;
One is installed in the push rod that also outstanding support body moves to dropout on the moving iron core;
One is relative with moving iron core, is fixed in the static iron core of support body bottom with the slideway sealing;
One is arranged on the spring between moving iron core and the static iron core;
Be located at the coil that axially place along the support body slideway in the support body outside, it is characterized in that,
Be provided with permanent magnet in the static iron core bottom, to move iron core in the firm adhesive of the second place.
In the utility model, the size of described support body slideway the first half is less than the size of the latter half, and two parts up and down of moving iron core and slideway two parts up and down cooperate respectively, in case the stop iron core is from slideway top disengaging slideway.
Described moving iron core bottom is provided with deep hole, and described spring places deep hole, and its lower end is fixed on the static iron core by groove.
Described support body also comprises yoke and bonnet, to support the tripping coil overall structure.
Low energy consumption permanent magnetism tripping coil of the present utility model is quick on the draw, can respond the voltage pulse signal of Millisecond, the stability of the primary importance and the second place all greatly improves, permanent magnet particularly is set under static iron core has further strengthened the stability of moving iron core in the second place, also reduced the energy consumption when the moving iron core of the second place contacts with static iron core, practice has been very helpful.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is in the intention of primary importance for the utility model low energy consumption permanent magnetism tripping coil.
Fig. 2 is in the intention of the second place for the utility model low energy consumption permanent magnetism tripping coil.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of low energy consumption permanent magnetism tripping coil comprises support body 1, and support body 1 inside is provided with slideway 11, and the size on slideway 11 tops is less than the lower dimension of slideway 11; Be provided with the moving iron core 2 that matches with slideway 11 in slideway 11, moving iron core 2 can be in slideway 11 moves between primary importance and the second place.Because the upper dimension of moving iron core 2 less than lower dimension, therefore can not break away from slideway 11 from slideway 11 tops.
Be provided with the push rod 21 that dropout is moved at moving iron core 2 tops, push rod 21 and moving iron core 2 are by being threaded in the present embodiment, and the undersized of push rod 21 is in slideway 11 upper dimension usually, so that when the second place in the push rod 21 retraction slideways 11.
Moving iron core 2 bottoms are provided with deep hole 22, and spring 3 places deep hole 22, and spring 3 is in compressive state, the other end of spring is fixing by groove and static iron core 4, static iron core 4 is fixedly installed on slideway 11 bottom opening places, and with slideway 11 sealings, permanent magnet 5 is arranged on static iron core 4 bottoms; Coil 6 is located at support body 1 outside and axially places along the slideway 11 of support body 1.
In order to support the tripping mechanism overall structure, support body 1 outside also is provided with yoke 12 and bonnet 13, and yoke 12 is close to coil 6, and bonnet 13 is close to permanent magnet 5, makes whole tripping mechanism firmly compact.
Referring to Fig. 1, low energy consumption permanent magnetism tripping coil is in primary importance again, and circuit is under the improper situation, the state of the action open circuit of promptly threading off, and this moment, the tripping mechanism state was all stable because the effect of spring 3 will be moved iron core 2 and withstand, and no matter coil 6 has or not electricly.
Referring to Fig. 2, tripping mechanism is in the second place, i.e. attracted position when normally moving.The moving iron core 2 of push rod 21 promotions is combined closely with static iron core 4 and is compressed spring 3, and push rod 21 is under the drive of moving iron core 2, in the retraction slideway 11.
When potential pulse is imported, coil 6, produce magnetic field, the magnetic field of this field weakening permanent magnet 5 makes suction between iron core 2 and the static iron core 4 less than the elastic force of spring 3, under the elastic force effect, moving iron core 2 separates with static iron core 4, iron core 2 is moved toward primary importances, and promote push rod 1 and eject dropout, stable up to primary importance.Because advocating of threading off will be from spring 3 rather than solenoid 6, so the utility model energy consumption is very low and can respond the voltage pulse signal of Millisecond, the stability when two diverse locations also improves greatly.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. low energy consumption permanent magnetism tripping coil, comprising: an inside is provided with the support body of slideway; One is located in the inner slideway of support body, the moving iron core that can move between the primary importance and the second place along slideway; One is installed in the push rod that also outstanding support body moves to dropout on the moving iron core; One is relative with moving iron core, is fixed in the static iron core of support body bottom with the slideway sealing; One is arranged on the spring between moving iron core and the static iron core; One is located at the coil that axially place along the support body slideway in the support body outside, it is characterized in that, is provided with permanent magnet in the static iron core bottom.
2. low energy consumption permanent magnetism tripping coil as claimed in claim 1 is characterized in that: the size of described support body slideway the first half is less than the size of the latter half, and two parts cooperate respectively about two parts up and down of moving iron core and the slideway.
3. low energy consumption permanent magnetism tripping coil as claimed in claim 1 is characterized in that: described moving iron core bottom is provided with deep hole, and the spring that is in compressive state places deep hole, and the other end of spring is fixed on the static iron core by groove.
4. low energy consumption permanent magnetism tripping coil as claimed in claim 1 is characterized in that: described support body also comprises support integrally-built yoke of tripping mechanism and bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048348 CN200979862Y (en) | 2006-11-30 | 2006-11-30 | A low-power permanent magnetic trip coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048348 CN200979862Y (en) | 2006-11-30 | 2006-11-30 | A low-power permanent magnetic trip coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200979862Y true CN200979862Y (en) | 2007-11-21 |
Family
ID=38980244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620048348 Expired - Fee Related CN200979862Y (en) | 2006-11-30 | 2006-11-30 | A low-power permanent magnetic trip coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200979862Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723247A (en) * | 2012-07-06 | 2012-10-10 | 浙江中凯科技股份有限公司 | Short-circuit trip device for controlling and protecting switch |
| CN107230599A (en) * | 2017-06-19 | 2017-10-03 | 张路明 | A kind of external single-coil permanent magnetic tripper of breaker |
| CN106449204B (en) * | 2016-11-07 | 2018-07-20 | 上海天灵开关厂有限公司 | Switchgear operating mechanism Self-resetting switching-off device |
-
2006
- 2006-11-30 CN CN 200620048348 patent/CN200979862Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723247A (en) * | 2012-07-06 | 2012-10-10 | 浙江中凯科技股份有限公司 | Short-circuit trip device for controlling and protecting switch |
| CN106449204B (en) * | 2016-11-07 | 2018-07-20 | 上海天灵开关厂有限公司 | Switchgear operating mechanism Self-resetting switching-off device |
| CN107230599A (en) * | 2017-06-19 | 2017-10-03 | 张路明 | A kind of external single-coil permanent magnetic tripper of breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071121 Termination date: 20131130 |