CN211376573U - Magnetic conductive plate for direct current quick circuit breaker - Google Patents
Magnetic conductive plate for direct current quick circuit breaker Download PDFInfo
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- CN211376573U CN211376573U CN201920731442.1U CN201920731442U CN211376573U CN 211376573 U CN211376573 U CN 211376573U CN 201920731442 U CN201920731442 U CN 201920731442U CN 211376573 U CN211376573 U CN 211376573U
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Abstract
The utility model discloses a magnetic conductive plate for direct current quick circuit breaker, including magnetic conductive plate, first insulation board, second insulation board and high temperature insulation binder, first insulation board and second insulation board paste on two sides of magnetic conductive plate through the high temperature insulation binder respectively, and the edge all around of first insulation board and second insulation board all is higher than the magnetic conductive plate to all form the recess around the magnetic conductive plate, the recess is filled through the high temperature insulation binder and is sealed. The magnetic conductive plate adopts the high-temperature insulating binder and the two insulating plates to completely seal the magnetic conductive plate, thereby solving the problems that the thickness and the size of a vulcanized layer are difficult to control and the edge of the magnetic conductive plate is easy to break during vulcanization because the original magnetic conductive plate adopts vulcanization treatment to realize insulation.
Description
Technical Field
The utility model relates to a well, low pressure direct current power transmission and distribution equipment's part, concretely relates to magnetic conduction board for direct current quick circuit breaker.
Background
When the direct current quick breaker is used for breaking current, the main circuit current is utilized to generate a magnetic circuit through the magnetic blow coil, and then the magnetic field is distributed above the fracture of the movable contact and the static contact and the arc striking angle through the magnetic conduction plate, so that the arc of the breaking current can move to the arc extinguishing chamber quickly, the arc can be cooled and extinguished quickly, and the breaking capacity of the direct current quick breaker is improved. In the process, the magnetic conduction plate and the main circuit need to be insulated from each other, and the magnetic conduction plate is also required to have the characteristics of flame retardance, high temperature resistance, no cracking and the like when being contacted with a high-temperature arc. The existing magnetic conductive plate is mostly subjected to surface insulation vulcanization treatment, the problem that the thickness and the size of a vulcanized layer of the magnetic conductive plate are not easy to control exists, the magnetic conductive plate is not centered, and the edge is easy to crack during cold processing of the vulcanized layer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic conduction board for direct current quick circuit breaker to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a magnetic conductive plate for direct current quick circuit breaker, includes magnetic conductive plate, first insulation board, second insulation board and high temperature insulation binder, and first insulation board and second insulation board paste on two sides of magnetic conductive plate through high temperature insulation binder respectively, and the edge all around of first insulation board and second insulation board is higher than the magnetic conductive plate and all forms the recess around the magnetic conductive plate, and the recess passes through the high temperature insulation binder and fills and seal.
Preferably, for the magnetic conductive plate for the direct current fast breaker, the first insulating plate and the second insulating plate are 2mm higher than the magnetic conductive plate around the magnetic conductive plate.
Preferably, for the magnetic conductive plate for the direct current fast circuit breaker, the magnetic conductive plate is made of DT4E electrical pure iron.
Preferably, for the magnetic conductive plate for the direct current fast breaker, the first insulating plate and the second insulating plate are both made of unsaturated polyester glass fiber reinforced plastic plates.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a magnetic conduction board adopts high temperature insulating adhesive to replace original vulcanization layer, and insulating adhesive fills the direct stoving shaping after good, has eliminated the difficult drawback of holding of former vulcanization layer thickness, and can detach the unnecessary insulating binder in magnetic conduction board edge again after the stoving shaping, has avoided the easy cracked problem in former vulcanization processing in-process edge.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a magnetic conductive plate for direct current quick circuit breaker, including magnetic conductive plate 1, first insulation board 2, second insulation board 3 and high temperature insulation binder 4, first insulation board 2 and second insulation board 3 paste on two sides of magnetic conductive plate 1 through high temperature insulation binder 4 respectively, the edge all around of first insulation board 2 and second insulation board 3 all is higher than magnetic conductive plate 1 and all forms the recess around magnetic conductive plate 1, the recess seals through the filling of high temperature insulation binder 4.
In another embodiment, the first insulating plate 2 and the second insulating plate 3 are higher than the magnetic conductive plate 1 around the magnetic conductive plate 1 by 2 mm.
In another embodiment, the flux plate 1 is made of DT4E electrical pure iron.
In another embodiment, the first insulating plate 2 and the second insulating plate 3 are both made of unsaturated polyester fiberglass reinforced plastic plate.
The magnetic conduction plate adopts the high-temperature insulating binder and the two insulating plates to completely seal the magnetic conduction plate (only the metal lap joint is left), the problem that the thickness and the size of a vulcanized layer are difficult to control and the edge of the magnetic conduction plate is easy to break when the vulcanized layer is difficult to control and the vulcanized layer is vulcanized because the original magnetic conduction plate adopts vulcanization treatment to realize insulation is solved, and the high-temperature insulating binder can conveniently remove the redundant insulating binder at the edge after drying and forming.
The specific processing process is as follows:
a. horizontally placing the first insulating plate 2 on a jig for positioning, and coating a high-temperature insulating adhesive 4 on the surface of the first insulating plate 2;
b. bonding a magnetic conduction plate 1 to a first insulation plate 2, coating a high-temperature insulation binder 4 on the surface of the magnetic conduction plate 1, bonding a second insulation plate 3 to the magnetic conduction plate 1, positioning each plate body by using a jig, and pressing and flattening;
c. after the pressing is finished, putting the materials into a drying oven at 100 +/-5 ℃ for 30 minutes, and drying, solidifying and bonding the materials to the high-temperature insulating binder 4;
d. after being taken out, the high-temperature insulating binder 4 is used for filling and flattening the grooves along the peripheries of the first insulating plate 2 and the second insulating plate 3, and then the grooves are placed in the oven with the temperature of 100 +/-5 ℃ for 30 minutes until the high-temperature insulating binder 4 on the edges is dried, solidified and bonded;
e. and removing excessive insulating adhesive along the edges of the first insulating plate 2 and the second insulating plate 3, and cleaning the high-temperature insulating adhesive at the metal lap joint of the magnetic conduction plate 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a magnetic conductive plate for direct current quick circuit breaker, includes magnetic conductive plate, first insulation board, second insulation board and high temperature insulation binder, its characterized in that, first insulation board and second insulation board paste on two sides of magnetic conductive plate through high temperature insulation binder respectively, and the edge all around of first insulation board and second insulation board is higher than the magnetic conductive plate and all forms the recess around the magnetic conductive plate, and the recess passes through high temperature insulation binder and fills and seal.
2. The magnetic conductive plate for a direct current fast circuit breaker according to claim 1, wherein the first insulating plate and the second insulating plate are higher than the magnetic conductive plate by 2mm around the magnetic conductive plate.
3. The magnetic conductive plate for a dc fast circuit breaker according to claim 1, wherein the magnetic conductive plate is made of DT4E electrical pure iron.
4. A magnetically conductive plate for a dc fast circuit breaker according to claim 1, characterized in that the first and second insulating plates are made of unsaturated polyester fiberglass reinforced plastic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731442.1U CN211376573U (en) | 2019-05-21 | 2019-05-21 | Magnetic conductive plate for direct current quick circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731442.1U CN211376573U (en) | 2019-05-21 | 2019-05-21 | Magnetic conductive plate for direct current quick circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211376573U true CN211376573U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920731442.1U Active CN211376573U (en) | 2019-05-21 | 2019-05-21 | Magnetic conductive plate for direct current quick circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211376573U (en) |
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2019
- 2019-05-21 CN CN201920731442.1U patent/CN211376573U/en active Active
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