CN212967526U - Fast-dividing permanent magnetic breaker switch - Google Patents
Fast-dividing permanent magnetic breaker switch Download PDFInfo
- Publication number
- CN212967526U CN212967526U CN202022075639.XU CN202022075639U CN212967526U CN 212967526 U CN212967526 U CN 212967526U CN 202022075639 U CN202022075639 U CN 202022075639U CN 212967526 U CN212967526 U CN 212967526U
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- pull rod
- vacuum
- iron core
- terminal box
- breaker switch
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Abstract
The utility model discloses a divide permanent magnetism circuit breaker switch soon, including casing, vacuum interrupter, vacuum bubble pull rod, the insulating pull rod that has the inner chamber and be used for the terminal box of being connected with the power, the terminal box sets up on the casing, is provided with magnetic ring, quiet iron core in the inner chamber, moves iron core, coil and branch brake spring, and the coil is connected with the terminal box, and insulating pull rod one end is connected with moving the iron core, and the insulating pull rod other end is connected with vacuum bubble pull rod one end, and the vacuum bubble pull rod other end is connected with vacuum interrupter. The utility model discloses, overcome spring operating mechanism and bi-stable state permanent magnetism operating device's not enough, improved closing speed and separating brake speed, and the separating brake time is less than or equal to 5 ms. And has the advantage of higher transmission efficiency.
Description
Technical Field
The utility model belongs to the technical field of circuit breaker switch, especially, relate to a divide permanent magnetism circuit breaker switch soon.
Background
At present, a spring mechanism or an external permanent magnet mechanism is adopted as a drive for a traditional circuit breaker cabinet, the mechanism is arranged outside an air box, a switch inside the air box is driven to be switched on and off through a series of crank arm connecting rod transmission and the like, the traditional structure causes the inherent switching-off time of the circuit breaker to be generally about 20-50ms due to the fact that a transmission chain is too much, the excitation time of the permanent magnet mechanism is too long and the like, when the fault current in a circuit is too large, the short-circuit current is cut off for too long time, on one hand, the overcurrent time borne by power equipment in the circuit is increased, on the other hand, faults such as line override tripping and the like can be caused.
And most traditional SF6 gas insulated switchgear, cause the pollution to the nature environment when the cabinet body appears and reveal, and can lead to insulating gas density to reduce and lead to the decline of insulating properties, cause the interior electrified body of cabinet to produce arc discharge, direct short circuit under the severe condition. Or the air cabinet insulated by using the epoxy resin has slow degradation of the epoxy resin, the scrapped epoxy resin becomes stubborn garbage in the natural environment, and if the epoxy resin is combusted, a large amount of carcinogenic substances can be generated, so that the human health is harmed and the environment is polluted.
Therefore, the prior art is to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a divide permanent magnetism circuit breaker switch soon, aims at solving the technical problem who mentions in the background art.
The utility model discloses a divide permanent magnetism circuit breaker switch soon, including casing, vacuum interrupter, vacuum bubble pull rod, the insulating pull rod that has the inner chamber and be used for the terminal box of being connected with the power, the terminal box sets up on the casing, is provided with magnetic ring, quiet iron core in the inner chamber, moves iron core, coil and branch brake spring, and the coil is connected with the terminal box, and insulating pull rod one end is connected with moving the iron core, and the insulating pull rod other end is connected with vacuum bubble pull rod one end, and the vacuum bubble pull rod other end is connected with vacuum interrupter.
Preferably, still include and gu seal utmost point post, vacuum interrupter, vacuum bubble pull rod and insulating pull rod all set up in gu sealing utmost point post.
Preferably, the magnetic ring is fixed in the inner cavity and is connected with the static iron core, the static iron core is fixed at the bottom of the inner cavity, one end of the opening spring is abutted against the movable iron core, and the other end of the opening spring is connected with the static iron core.
The utility model discloses a divide permanent magnetism circuit breaker switch soon, beneficial effect as follows:
1. the magnetic field which is the same as that of the magnetic ring is generated by electrifying the coil to realize closing, the magnetic field which is opposite to that of the magnetic ring is generated by electrifying the coil, the magnetic forces are mutually counteracted, the opening spring releases energy to realize opening, the opening and closing operation is finished by controlling the electromagnetic coil to excite the magnetic field, the defects of a spring operating mechanism and a bistable permanent magnet operating mechanism are overcome, the proper closing speed and opening speed can be given, and the opening time is less than or equal to 5 ms.
2. Whole permanent magnetism transmission structure lug connection is in insulating pull rod, and the switching of connecting rod connecting lever is not passed through in the centre, and transmission structure is simple reliable, and non-maintaining, and transmission efficiency is higher, has excellent mechanical properties and electrical property.
Drawings
Fig. 1 is a three-dimensional schematic diagram of a fast-separating permanent-magnet circuit breaker switch according to the present invention;
fig. 2 is the utility model discloses a divide permanent magnetism circuit breaker switch's inner structure schematic diagram soon.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It is noted that relative terms such as "first," "second," and the like may be used to describe various components, but these terms are not intended to limit the components. These terms are only used to distinguish one component from another component. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present invention. The term "and/or" refers to a combination of any one or more of the associated items and the descriptive items.
As shown in fig. 1 and 2, fig. 1 is a three-dimensional schematic diagram of a fast-dividing permanent magnet circuit breaker switch of the present invention; fig. 2 is the utility model discloses a divide permanent magnetism circuit breaker switch's inner structure schematic diagram soon. The utility model discloses a fast-dividing permanent magnet circuit breaker switch, which comprises three operating mechanisms; every operating device is including the casing 100 that has the inner chamber, vacuum interrupter 8, vacuum bubble pull rod 7, insulating pull rod 6 and be used for the terminal box 10 be connected with the power, terminal box 10 sets up on casing 100, is provided with magnetic ring 5 in the inner chamber, quiet iron core 4, move iron core 3, coil 2 and opening spring 1, coil 2 is connected with terminal box 10, insulating pull rod 6 one end is connected with moving iron core 3, the insulating pull rod 6 other end is connected with vacuum bubble pull rod 7 one end, the vacuum bubble pull rod 7 other end is connected with vacuum interrupter 8. The utility model discloses a divide permanent magnetism circuit breaker switch soon, beneficial effect as follows: 1. the junction box 10 is connected with a power supply, the starting switch is used for electrifying the coil to generate a magnetic field which is the same as that of the magnetic ring 5 to realize closing, the coil 2 is used for electrifying to generate a magnetic field which is opposite to that of the magnetic ring, magnetic forces are mutually offset, the opening spring releases energy to realize opening, the opening and closing operation is finished by controlling the electromagnetic coil to excite the magnetic field, the defects of the spring operating mechanism and the bi-stable permanent magnet operating mechanism are overcome, the proper closing speed and the opening speed can be given, the opening time is less than or equal to 5ms, and ms represents millisecond. 2. Whole permanent magnetism transmission structure lug connection is in insulating pull rod and vacuum bubble pull rod, and the switching of connecting rod connecting lever is not passed through in the centre, and transmission structure is simple reliable, and non-maintaining, and transmission efficiency is higher, has excellent mechanical properties and electrical property. 3. The ABC three phases have independent transmission structures, belong to individuals capable of independently completing complete opening and closing actions, and can ensure that the number of the three phases is less than or equal to 1 when the three phases are in different phases.
Wherein the vacuum bubble pull rod 7 is a metal pull rod; the function of fixed and flexible connection is played. The magnetic ring 5 is fixed in the inner cavity and is connected with the static iron core 4, the static iron core 4 is fixed at the bottom of the inner cavity, one end of the opening spring 1 is abutted against the movable iron core 3, and the other end of the opening spring 1 is connected with the static iron core 4.
Specifically, the closing process is as follows: the junction box 10 is connected with a power supply, the coil 2 is powered through a switch, the coil 2 generates a magnetic field to pull the movable iron core 3 to be attracted with the static iron core 4, the movable iron core 3 drives the insulating pull rod 6 when acting, the insulating pull rod 6 drives the movable end of the vacuum arc-extinguishing chamber 8 to be in contact conduction with the static end through the vacuum bubble pull rod 7, then the attraction state is ensured through the magnetic ring 5, and the closing action of the circuit breaker is completed.
The brake separating process comprises the following steps: the junction box 10 is connected with a power supply, the coil 2 is powered through a switch, a reverse magnetic field generated by the coil 2 and a magnetic field of the magnetic ring 5 are mutually offset, the compressed opening spring 1 releases energy to push the movable iron core 3 and the static iron core 4 to be separated, the movable iron core 3 drives the insulating pull rod 6 when acting, the insulating pull rod 6 drives the movable end of the vacuum arc extinguish chamber 8 to be in contact breaking with the static end through the vacuum bubble pull rod 7, and then the opening spring 1 keeps an opening state to complete the opening action of the circuit breaker.
As shown in fig. 2, preferably, the vacuum insulation device further comprises an embedded pole 9, and the vacuum arc-extinguishing chamber 8, the vacuum bubble pull rod 7 and the insulation pull rod 6 are all arranged in the embedded pole 9. The vacuum arc extinguish chamber 8, the vacuum bubble pull rod 7 and the insulation pull rod 6 are well insulated, and external influence is reduced.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (3)
1. The utility model provides a divide permanent magnetism circuit breaker switch soon which characterized in that, including casing, vacuum interrupter, vacuum bubble pull rod, insulating pull rod and the terminal box that is used for being connected with the power that has the inner chamber, the terminal box sets up on the casing, is provided with magnetic ring, quiet iron core, moves iron core, coil and branch brake spring in the inner chamber, and the coil is connected with the terminal box, and insulating pull rod one end is connected with moving the iron core, and the insulating pull rod other end is connected with vacuum bubble pull rod one end, and the vacuum bubble pull rod other end is connected with vacuum interrupter.
2. The fast-separating permanent magnetic circuit breaker switch according to claim 1, further comprising an embedded pole, wherein the vacuum arc-extinguishing chamber, the vacuum bubble pull rod and the insulating pull rod are all disposed in the embedded pole.
3. The fast disconnecting permanent magnet circuit breaker switch according to claim 1, wherein the magnetic ring is fixed in the inner cavity and connected to the stationary core, the stationary core is fixed to the bottom of the inner cavity, one end of the disconnecting spring abuts against the movable core, and the other end of the disconnecting spring is connected to the stationary core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075639.XU CN212967526U (en) | 2020-09-21 | 2020-09-21 | Fast-dividing permanent magnetic breaker switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075639.XU CN212967526U (en) | 2020-09-21 | 2020-09-21 | Fast-dividing permanent magnetic breaker switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212967526U true CN212967526U (en) | 2021-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022075639.XU Active CN212967526U (en) | 2020-09-21 | 2020-09-21 | Fast-dividing permanent magnetic breaker switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212967526U (en) |
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2020
- 2020-09-21 CN CN202022075639.XU patent/CN212967526U/en active Active
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