CN210091988U - High-voltage direct-current relay capable of prolonging service life of product - Google Patents
High-voltage direct-current relay capable of prolonging service life of product Download PDFInfo
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- CN210091988U CN210091988U CN201920436621.2U CN201920436621U CN210091988U CN 210091988 U CN210091988 U CN 210091988U CN 201920436621 U CN201920436621 U CN 201920436621U CN 210091988 U CN210091988 U CN 210091988U
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- iron core
- magnetic conduction
- voltage direct
- current relay
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Abstract
The utility model provides a can improve product life's high voltage direct current relay, its characterized in that: the device comprises a movement mechanism, an insulating cover, a ceramic body, a magnetic conduction plate and a plastic piece, wherein the ceramic body is arranged on the upper portion of the plastic piece, the magnetic conduction plate is arranged in the middle of the plastic piece, the movement mechanism is arranged in the center of the plastic piece, and the insulating cover is arranged above the magnetic conduction plate. Compared with the prior art, the utility model provides a pair of can improve product life's high voltage direct current relay, it is rational in infrastructure, form the explosion chamber between ceramic body and magnetic conduction board to increase creepage distance through installing the insulating boot in magnetic conduction board top, play the withstand voltage effect, prevent that electric arc from melting the graininess splash drippage that sound contact produced on the magnetic conduction board, cause electric creepage distance to reduce, thereby improve the electric life of product, the iron core shell effect: the guide function is realized, and the movable iron core is ensured to move vertically.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electron device technical field, in particular to can improve product life's high voltage direct current relay.
[ background of the invention ]
In the prior art, the working principle of the high-voltage direct-current relay is that a moving structure consisting of a moving iron core, a return spring, a push rod, an upper spring support, a lower spring support, a moving contact piece and a pressure spring works, and in the process, granular splashes generated by melting the moving contact piece and the moving contact piece by electric arc drop on a magnetic conduction plate to reduce the electric creepage distance, so that the service life of a product is influenced.
[ Utility model ] content
An object of the utility model is to overcome above-mentioned prior art not enough, provide a can improve product life's high voltage direct current relay, it aims at solving among the prior art direct current relay because electric arc melts the graininess splash drippage that sound contact piece produced on the magnetic conduction board, causes electric creepage distance to reduce to make its not long class of technical problem of life-span.
In order to achieve the above object, the utility model provides a can improve product life's high voltage direct current relay, its characterized in that: the device comprises a movement mechanism, an insulating cover, a ceramic body, a magnetic conduction plate and a plastic piece, wherein the ceramic body is arranged on the upper portion of the plastic piece, the magnetic conduction plate is arranged in the middle of the plastic piece, the movement mechanism is arranged in the center of the plastic piece, and the insulating cover is arranged above the magnetic conduction plate.
Preferably, the moving mechanism comprises a movable iron core, a static iron core, a push rod, movable contact pieces, a return spring, a pressure spring, a lower spring support and an upper spring support, the movable iron core is arranged below the static iron core, the push rod is arranged on the static iron core, the two movable contact pieces are arranged on the left side and the right side of the tail end of the upper portion of the push rod, the pressure spring is arranged on one side of each movable contact piece, the upper spring support is arranged above the pressure spring, the lower spring support is arranged below the pressure spring, and the return spring is arranged at the tail end of the lower portion.
Preferably, the ceramic body is provided with a static contact piece which is positioned right above the movable contact piece.
Preferably, the movable contact piece and the static contact piece are positioned right above the insulating cover.
Preferably, an iron core shell for guiding the movable iron core is arranged outside the movable iron core.
Preferably, the ceramic body and the magnetic conduction plate are welded in a sealing mode, and an arc extinguishing chamber is formed between the ceramic body and the magnetic conduction plate.
The utility model has the advantages that: compared with the prior art, the utility model provides a pair of can improve product life's high voltage direct current relay, it is rational in infrastructure, form the explosion chamber between ceramic body and magnetic conduction board to increase creepage distance through installing the insulating boot in magnetic conduction board top, play the withstand voltage effect, prevent that electric arc from melting the graininess splash drippage that sound contact piece produced on the magnetic conduction board, cause electric creepage distance to reduce, thereby improve the electric life of product, the iron core shell effect: the guide function is realized, and the movable iron core is ensured to move vertically.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a high-voltage direct-current relay capable of prolonging the service life of a product according to an embodiment of the present invention.
In the figure: 1-movable iron core, 2-static iron core, 3-push rod, 4-movable contact, 5-static contact, 6-return spring, 7-pressure spring, 8-iron core shell, 9-lower spring support, 10-upper spring support, 11-insulator, 12-ceramic body, 13-magnetic conductive plate, 14-plastic piece and 15-motion mechanism.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a high voltage dc relay capable of prolonging the service life of a product, which is characterized in that: the device comprises a movement mechanism 15, an insulating cover 11, a ceramic body 12, a magnetic conduction plate 13 and a plastic piece 14, wherein the ceramic body 12 is arranged on the upper portion of the plastic piece 14, the magnetic conduction plate 13 is arranged in the middle of the plastic piece 14, the movement mechanism 15 is arranged in the center of the plastic piece 14, and the insulating cover 11 is arranged above the magnetic conduction plate 13.
The moving mechanism 15 comprises a moving iron core 1, a static iron core 2, a push rod 3, a movable contact spring 4, a return spring 6, a pressure spring 7, a lower spring support 9 and an upper spring support 10, wherein the moving iron core 1 is arranged below the static iron core 2, the push rod 3 is arranged on the static iron core 2, the two movable contact springs 4 are arranged on the left side and the right side of the upper end of the push rod 3, the pressure spring 7 is arranged on one side of the movable contact spring 4, the upper spring support 10 is arranged above the pressure spring 7, the lower spring support 9 is arranged below the pressure spring 7, and the return spring 6 is arranged on the lower end of the push rod 3.
The ceramic body 12 is provided with a static contact piece 5, and the static contact piece 5 is positioned right above the movable contact piece 4. The movable contact piece 4 and the static contact piece 5 are positioned right above the insulating cover 11. And an iron core shell 8 for guiding the movable iron core 1 is arranged outside the movable iron core 1. The ceramic body 12 and the magnetic conduction plate 13 are hermetically welded, and an arc extinguishing chamber is formed between the ceramic body 12 and the magnetic conduction plate 13.
The utility model discloses the working process:
the utility model relates to a high voltage direct current relay that can improve product life is in the course of the work, after the drive coil circular telegram, produces the magnetic field, and movable iron core 1, quiet iron core 2 are magnetized, and opposite face polarity is opposite, under the effect of electromagnetic attraction, movable iron core 1 drives push rod 3 and moves vertically upwards, and then makes movable contact 4 and two quiet contact 5 contact each other, and this high voltage direct current contactor is in the closed condition; when the driving coil is powered off, the push rod 3 moves vertically downwards to reset under the action of the return spring 6, the movable contact piece 4 is disconnected with the static contact piece 5, and the high-voltage direct-current contactor is in a disconnected state. The creepage distance is increased by installing the insulating cover 11 above the magnetic conduction plate 13, the insulating and pressure-resistant effects are achieved, and granular splashes generated by melting the movable contact piece 4 and the static contact piece 5 by electric arc are prevented from dropping on the magnetic conduction plate 13, so that the creepage distance is reduced. Thereby improve the electric life-span of product, iron core shell 8 effects: the guide function is realized, and the movable iron core 1 is ensured to move vertically.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (6)
1. The utility model provides a can improve product life's high voltage direct current relay which characterized in that: the device comprises a movement mechanism (15), an insulating cover (11), a ceramic body (12), a magnetic conduction plate (13) and a plastic piece (14), wherein the ceramic body (12) is arranged on the upper portion of the plastic piece (14), the magnetic conduction plate (13) is arranged in the middle of the plastic piece (14), the movement mechanism (15) is arranged in the center of the plastic piece (14), and the insulating cover (11) is arranged above the magnetic conduction plate (13).
2. A high voltage direct current relay capable of improving product life according to claim 1, characterized in that: the moving mechanism (15) comprises a moving iron core (1), a static iron core (2), a push rod (3), a movable contact piece (4), a return spring (6), a pressure spring (7), a lower spring support (9) and an upper spring support (10), wherein the moving iron core (1) is arranged below the static iron core (2), the push rod (3) is arranged on the static iron core (2), the left side and the right side of the upper end of the push rod (3) are provided with the two movable contact pieces (4), one side of the movable contact piece (4) is provided with the pressure spring (7), the upper spring support (10) is arranged above the pressure spring (7), the lower spring support (9) is arranged below the pressure spring (7), and the return spring (6) is arranged at the end below the push rod (3).
3. A high voltage direct current relay capable of improving product life according to claim 2, characterized in that: the ceramic body (12) is provided with a static contact piece (5), and the static contact piece (5) is positioned right above the movable contact piece (4).
4. A high voltage direct current relay capable of improving product life according to claim 3, characterized in that: the movable contact piece (4) and the static contact piece (5) are positioned right above the insulating cover (11).
5. A high voltage direct current relay capable of improving product life according to claim 2, characterized in that: an iron core shell (8) used for guiding the movable iron core (1) is arranged outside the movable iron core (1).
6. A high voltage direct current relay capable of improving product life according to claim 1, characterized in that: the ceramic body (12) and the magnetic conduction plate (13) are welded in a sealing mode, and an arc extinguishing chamber is formed between the ceramic body (12) and the magnetic conduction plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436621.2U CN210091988U (en) | 2019-04-02 | 2019-04-02 | High-voltage direct-current relay capable of prolonging service life of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436621.2U CN210091988U (en) | 2019-04-02 | 2019-04-02 | High-voltage direct-current relay capable of prolonging service life of product |
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| Publication Number | Publication Date |
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| CN210091988U true CN210091988U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920436621.2U Active CN210091988U (en) | 2019-04-02 | 2019-04-02 | High-voltage direct-current relay capable of prolonging service life of product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613486A (en) * | 2020-05-28 | 2020-09-01 | 宁波峰梅新能源汽车科技有限公司 | Direct-acting DC relay |
-
2019
- 2019-04-02 CN CN201920436621.2U patent/CN210091988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613486A (en) * | 2020-05-28 | 2020-09-01 | 宁波峰梅新能源汽车科技有限公司 | Direct-acting DC relay |
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