CN203038870U - Shunt release electromagnetic device modified structure capable of enhancing suction force - Google Patents
Shunt release electromagnetic device modified structure capable of enhancing suction force Download PDFInfo
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- CN203038870U CN203038870U CN 201220716703 CN201220716703U CN203038870U CN 203038870 U CN203038870 U CN 203038870U CN 201220716703 CN201220716703 CN 201220716703 CN 201220716703 U CN201220716703 U CN 201220716703U CN 203038870 U CN203038870 U CN 203038870U
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- iron core
- static iron
- coil
- shunt release
- moving
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Abstract
The utility model provides a shunt release electromagnetic device modified structure capable of enhancing suction force. The shunt release electromagnetic device modified structure capable of enhancing suction force comprises a base (1), a coil framework (2), a coil (3), a movable iron core (4) and a static iron core (5). The coil framework (2) is fixedly arranged on the base (1). The coil (3) is arranged on the coil framework (2). One end of the movable iron core (4) is connected with the coil framework (2) through a rotating shaft (6). The movable iron core (4) can rotate around the rotating shaft (6). The static iron core (5) is fixedly arranged on the side of the coil framework (2) on the base (1). A non-installation end of the movable iron core (4) can contact the static iron core (5) in rotation. The shunt release electromagnetic device modified structure capable of enhancing suction force is characterized in that the contact end of the static iron core (5) and the movable iron core (4) is step-shaped, and at least two faces of the movable iron core (4) closely contact a step face of the static iron core (5). According to the utility model, by changing the contact area of the movable iron core and the static iron core, the problem of difficult releasing of large releasing force is solved, wherein the problem is caused by manufacturing errors of product parts; the suction force of an electromagnetic device is improved; the turns of the coil of the whole device is reduced; and the production cost is saved.
Description
Technical field
The utility model belongs to the low voltage electrical apparatus technology field, specifically just relates to the release of circuit breaker, relates in particular to a kind of shunt release calutron structure-improved that strengthens the suction-combining force.
Background technology
Circuit breaker is divided into primary cut-out and low-voltage circuit breaker by its scope of application.Low-voltage circuit breaker claims automatic switch again, is commonly called as " air switch " and also refers to low-voltage circuit breaker, and it is a kind of existing hand switch effect, can carry out decompression, under-voltage, overload and the electrical equipment of short-circuit protection again automatically.It can be used to distribute electric energy; do not start asynchronous motor continually; power circuit and motor etc. are carried out protection; can automatic shutdown circuit when serious overload or short circuit and fault such as under-voltage take place for their; its function is equivalent to the combination of Fuse switch and mistake underheat relay etc.; and behind the disjunction fault current, generally do not need to change parts, obtained to use widely.
Circuit breaker is realized the protective feature that it is required by release is installed; its operation principle is: if in control circuit short circuit current or electric shock leakage current over the ground taken place; and when reaching the breaker protection grade; the electronics magnetizing coil of release is after obtaining enough voltage; thereby in the original suction of sealing of release and magnetic circuit, produced the magnetic field opposite with the permanent magnet direction and offset the magnetic field intensity that permanent magnet produces; the reasoning spring that is in compressive state this moment discharges and ejects; push rod is shifted onto; the power that push rod is released triggers shunt release and line security has been protected in line disconnection.
Be to utilize the electromagnet principle to realize short circuit or earth leakage protective in the release course of work; the practicality of its calutron and fail safe and important; in actual the use; be subject to the restriction of the volume of circuit breaker own; the infinity that the volume of release calutron can not be done, the electromagnetic force that can provide also just can not be infinitely great so, can only realize tripping function within the specific limits; can't realize tripping function for some occasion electromagnetic force, weaken the safeguard protection performance of release.
The utility model content
Technical barrier to be solved in the utility model is to limit within the specific limits at the adhesive reason that existing shunt release calutron provides, can't be applied in the defective on some circuit breaker that needs strong the suction-combining force, a kind of shunt release calutron structure-improved that strengthens the suction-combining force is provided, can do the suction-combining force that simple modifications just can strengthen the dropout calutron at existing shunt release calutron, enlarge the scope of application of circuit breaker, improve the fail safe that circuit breaker uses.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of shunt release calutron structure-improved that strengthens the suction-combining force of the utility model design, it comprises base, coil rack, coil, moving iron core and static iron core, described coil rack is installed on the base, coil is contained on the coil rack, moving iron core one end is connected with coil rack by rotation axis, the moving iron core moving axis that can rotate rotates, static iron core is installed on base and is positioned at coil rack one side, during rotating, the non-installation end of moving iron core can contact with static iron core, it is characterized in that: described static iron core and moving iron core contact jaw are step-like, and at least two faces of moving iron core closely contact with the static iron core step surface.
Described static iron core and moving iron core contact jaw are multistage stepped or curved surfaces or trapezoidal, and corresponding moving iron core contact jaw also is multistage stepped or curved surface or trapezoidal.
Described step-like static iron core contact jaw low side face width degree is greater than high-end face width degree 0.5～1mm.
Described base and static iron core are an overall structure.
Beneficial effect
The utility model is by changing the contact area of moving iron core and static iron core, solved the big tripping force that brings because of the product component foozle difficult problem of triping, increased the suction-combining force of calutron simultaneously, whole device has been saved production cost in the number of turn that reduces coil.
Description of drawings
Accompanying drawing 1 structural representation that to be the moving iron core of first embodiment separate with static iron core.
Accompanying drawing 2 is the moving iron core of first embodiment and static iron core contacting structure schematic diagram.
Accompanying drawing 3 is static iron core structural representations among second embodiment.
Accompanying drawing 4 is that the utility model is installed in the schematic diagram of working in the release.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Shown in attached Fig. 1 and 2, a kind of shunt release calutron structure-improved that strengthens the suction-combining force, it comprises base 1, coil rack 2, coil 3, moving iron core 4 and static iron core 5, described coil rack 2 is installed on the base 1, coil 3 is contained on the coil rack 2, moving iron core 4 one ends are connected with coil rack 2 by rotation axis 6, moving iron core 4 moving axis 6 that can rotate rotates, static iron core 5 is installed on base 1 and is positioned at coil rack 2 one sides, during rotating, moving iron core 4 non-installation ends can contact with static iron core 5, wherein, described static iron core 5 is step-like with moving iron core 4 contact jaws, and moving 4 at least two faces of iron core closely contact with static iron core 5 step surfaces.
Described static iron core 5 is multistage stepped or curved surfaces or trapezoidal with moving iron core 4 contact jaws, and corresponding moving iron core 4 contact jaws also are multistage stepped or curved surface or trapezoidal.
The low end face 5a width of described step-like static iron core 5 contact jaws is greater than high end face 5b width 0.5～1mm.
As shown in Figure 3, described base 1 and static iron core 5 are an overall structure.
As shown in Figure 4, electric current flowing through coil 3, coil 3 gets electric generation magnetic field at this moment, and static iron core 5 stairstepping pole-faces are special pole-face, with conventional pole-face bigger difference are arranged.This pole-face produces bigger electromagnetic attraction, and then the moving iron core 4 of adhesive, and moving iron core 4 is solidified as a whole with support 7, and the moving axis 6 that can rotate rotates together.Under the suction-combining force effect of static iron core 5, moving iron core 4 rotates with support 7, rotatory force by support 7 is pressed in the tripping 8, tripping 8 is rotated counterclockwise, tripping 8 this moment separates with snap close 9, and product is threaded off, and is transferred to handle 11 by connecting rod 10, handle 11 rotates counterclockwise under the reaction force of torsion spring and gets back to gate-dividing state, finishes the action of product separating brake.In actual production, the product that originally can't thread off utilizes structure of the present utility model all can thread off.The utility model is by changing the contact area of moving iron core and static iron core, solved the big tripping force that brings because of the product component foozle difficult problem of triping, increased the suction-combining force of calutron simultaneously, whole device has been saved production cost in the number of turn that reduces coil.
Claims (4)
1. shunt release calutron structure-improved that strengthens the suction-combining force, it comprises base (1), coil rack (2), coil (3), moving iron core (4) and static iron core (5), described coil rack (2) is installed on the base (1), coil (3) is contained on the coil rack (2), moving iron core (4) one ends are connected with coil rack (2) by rotation axis (6), moving iron core (4) moving axis (6) that can rotate rotates, static iron core (5) is installed on base (1) and is positioned at coil rack (2) one sides, during rotating, the non-installation end of moving iron core (4) can contact with static iron core (5), it is characterized in that: described static iron core (5) is step-like with moving iron core (4) contact jaw, and moving (4) at least two faces of iron core closely contact with static iron core (5) step surface.
2. a kind of shunt release calutron structure-improved that strengthens the suction-combining force as claimed in claim 1, it is characterized in that: described static iron core (5) is multistage stepped or curved surface or trapezoidal with moving iron core (4) contact jaw, and corresponding moving iron core (4) contact jaw also is multistage stepped or curved surface or trapezoidal.
3. a kind of shunt release calutron structure-improved that strengthens the suction-combining force as claimed in claim 1 is characterized in that: low end face (5a) width of described step-like static iron core (5) contact jaw is greater than high end face (5b) width 0.5～1mm.
4. a kind of shunt release calutron structure-improved that strengthens the suction-combining force as claimed in claim 1, it is characterized in that: described base (1) and static iron core (5) are an overall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716703 CN203038870U (en) | 2012-12-21 | 2012-12-21 | Shunt release electromagnetic device modified structure capable of enhancing suction force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716703 CN203038870U (en) | 2012-12-21 | 2012-12-21 | Shunt release electromagnetic device modified structure capable of enhancing suction force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203038870U true CN203038870U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220716703 Expired - Fee Related CN203038870U (en) | 2012-12-21 | 2012-12-21 | Shunt release electromagnetic device modified structure capable of enhancing suction force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203038870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065891A (en) * | 2012-12-21 | 2013-04-24 | 上海良信电器股份有限公司 | Suction force enhanced shunt release electromagnetic device improved structure |
-
2012
- 2012-12-21 CN CN 201220716703 patent/CN203038870U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065891A (en) * | 2012-12-21 | 2013-04-24 | 上海良信电器股份有限公司 | Suction force enhanced shunt release electromagnetic device improved structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20211221 |