CN208225804U - A kind of device improving high voltage direct current relay reliability - Google Patents
A kind of device improving high voltage direct current relay reliability Download PDFInfo
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- CN208225804U CN208225804U CN201820525411.6U CN201820525411U CN208225804U CN 208225804 U CN208225804 U CN 208225804U CN 201820525411 U CN201820525411 U CN 201820525411U CN 208225804 U CN208225804 U CN 208225804U
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- Prior art keywords
- cavity
- high voltage
- direct current
- insulator
- voltage direct
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Abstract
The utility model relates to a kind of devices for improving high voltage direct current relay reliability, including left insulator, right insulator and slab bridge, the left insulator and the mutual split of right insulator form insulation daughter, and the top of the insulation daughter is concave-shaped structure, and lower part is cylindrical structure；First cavity is formed at the lower part in the cylindrical structure, and the second cavity is formed at top, and first cavity and the second cavity are mutually isolated；Groove is provided on the inside of the two sidewalls of the concave-shaped structure protrusion；For connecting with the boss of guide rod, second cavity is connect first cavity with buffer spring；The slab bridge is placed in the groove.The utility model can effectively solve the high current of high voltage direct current relay slab bridge and the insulation of solenoid part.
Description
Technical field
The utility model relates to high voltage direct current relay technical fields, more particularly to a kind of raising high voltage direct current relay
The device of reliability.
Background technique
With the development of new-energy automobile, the requirement to high voltage direct current relay is also more and more harsh, bears to relay
Load capacity also promoted from 40A to the 120A even 600A in future, and the moment surge that different load-strap is come is even more specified
Even more than 20 times of several times of load current.Therefore in order to solve the problems, such as that high-voltage great-current loads, relay generally uses ceramics
The form of encapsulation and magnetic quenching, however some plastic parts are commonly used for completely cutting off high current and relay ontology in arc-chutes
Insulator, the purpose is to aspect connection electromagnet ontology and movable contact, such as Panasonic AEV14024, and plastics are in relay arc extinguishing
As temperature increases readily volatilized gas chromatography out in room, contact surface is attached to make contact failure.
Existing insulator structure such as CN106486323 or CN107622917 etc. use " bow " shape structure, and volume is larger, no
Conducive to vehicle-mounted relay miniaturization, lightweight requirements.In addition, most relay is slow in order to reduce impact use between contact on the market
Spring is rushed, but increases spring possibility, increases the arcing time, is unfavorable for the service life of contact.
Utility model content
The technical problem to be solved by the utility model is to provide it is a kind of improve high voltage direct current relay reliability device,
The high current of high voltage direct current relay slab bridge and the insulation of solenoid part can effectively be solved.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of raising high voltage direct current relay
The device of reliability, including left insulator, right insulator and slab bridge, the left insulator and the mutual split of right insulator are formed absolutely
The top of edge daughter, the insulation daughter is concave-shaped structure, and lower part is cylindrical structure；Lower part in the cylindrical structure
The first cavity is formed, the second cavity is formed at top, and first cavity and the second cavity are mutually isolated；The concave-shaped structure is convex
Groove is provided on the inside of the two sidewalls risen；First cavity for connect with the boss of guide rod, second cavity with delay
Rush spring connection；The slab bridge is placed in the groove.
The left insulator and right insulator are all made of ceramic material and are made.
The left insulator and right insulator are fixed by fixed plate and fixed ring.
The Fixing shrink ring is arranged in the outside of the cylindrical structure by fixed ring and cylindrical structure side
Blind hole and cylindrical structure twisting.
Outside setting at the top of the two sidewalls of the concave-shaped structure protrusion is jagged, and the lower part of the notch is provided with logical
Hole, the through-hole that the protrusion of the fixed plate two sides is each passed through concave-shaped structure two sides fix the left insulator and right insulation
Son.
The height of the groove is equal to the sum of thickness and relay overtravel of the slab bridge.
Beneficial effect
Due to the adoption of the above technical solution, the utility model compared with prior art, has the following advantages that and accumulates
Pole effect: the utility model insulator forms lower cavity by two valves and fixed form and central cavity structure is realized
The insulation of lower part, and the connection of metalwork guide rod and ceramics is realized, to effectively solve high voltage direct current relay slab bridge
The insulation of high current and solenoid part.The utility model insulator is ceramic material, substitutes previous plastic material, protects touching
Point is not contaminated, to improve relay reliability.The insulator upper grooves and kick spring common combination of the utility model
On the one hand reduce impact between contact, on the other hand inhibit relay bounce time, that is, reduce the arcing time, improve after
Electrical reliability.
Detailed description of the invention
Fig. 1 is the configuration diagram of the utility model；
Fig. 2 is the expanded view of the utility model；
Fig. 3 is the schematic diagram of insulation daughter in the utility model；
Fig. 4 is the use figure of the utility model.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
The embodiments of the present invention is related to a kind of device for improving high voltage direct current relay reliability, such as Fig. 1-Fig. 3
Shown, including left insulator 1, right insulator 2 and slab bridge 3, the left insulator 1 and the mutual split of right insulator 2 form insulation
The top of daughter, the insulation daughter is concave-shaped structure, and lower part is cylindrical structure；Lower part shape in the cylindrical structure
At the first cavity 102, the second cavity 103 is formed at top, and first cavity 102 and the second cavity 103 are mutually isolated；It is described recessed
Groove 104 is provided on the inside of the two sidewalls of character form structure protrusion；First cavity 102 is used to connect with the boss of guide rod 6,
Second cavity 103 is connect with buffer spring 7, so that buffer spring 7 is placed in the second cavity 103；The slab bridge 3 is placed on
In the groove 104, and cover on the buffer spring 7.
The left insulator 1 and right insulator 2 are all made of ceramic material and are made.Previous plastics material is substituted using ceramic material
Material can prevent from arc-chutes there are organic matters to improve to make organic matter volatilize because of high temperature the substances such as C, H, O pollution contact
Relay reliability.
The left insulator 1 and right insulator 2 are fixed by fixed plate 4 and fixed ring 5.5 sets of the fixed ring exists
The outside of the cylindrical structure, and the blind hole 101 and cylindrical structure that are arranged by fixed ring 5 and cylindrical structure side are cut with scissors
It closes.Outside setting jagged 106 at the top of the two sidewalls of the concave-shaped structure protrusion, the lower part of the notch 106 is provided with
Through-hole 105, the protrusion of 4 two sides of fixed plate are each passed through the fixed left insulator 1 of through-hole 105 of concave-shaped structure two sides
With right insulator 2.Insulation daughter forms the first chamber of lower part by left insulator and two valve of right insulator and fixed form
Second cavity of body and middle part, realizes the insulation of top and the bottom, and realizes the connection of metalwork guide rod and ceramics, can be effective
Solve the high current of high voltage direct current relay slab bridge and the insulation of solenoid part.
The height of the groove 104 is equal to the sum of thickness and relay overtravel of the slab bridge 3.Insulator upper grooves
104 and buffer spring 7 common combination on the one hand reduce the impact between contact, on the other hand inhibit relay bounce time,
Reduce the arcing time, improves relay reliability.
As shown in figure 4, the guide rod is connect with electromagnet assembly 10, guide rod is allowed to move up and down by electromagnet assembly 10,
To make movable contact 11 and stationary contact 13 make the movement of closure with disjunction, realize that relay controls the on and off of external high current.
Claims (6)
1. a kind of device for improving high voltage direct current relay reliability, including left insulator, right insulator and slab bridge, feature exist
In, the left insulator and the mutual split of right insulator form insulation daughter, and the top of the insulation daughter is concave-shaped structure,
Lower part is cylindrical structure；The first cavity of lower part formation in the cylindrical structure, the second cavity of top formation, described first
Cavity and the second cavity are mutually isolated；Groove is provided on the inside of the two sidewalls of the concave-shaped structure protrusion；First chamber
For connecting with the boss of guide rod, second cavity is connect body with buffer spring；The slab bridge is placed in the groove.
2. the device according to claim 1 for improving high voltage direct current relay reliability, which is characterized in that the left insulation
Sub and right insulator is all made of ceramic material and is made.
3. the device according to claim 1 for improving high voltage direct current relay reliability, which is characterized in that the left insulation
Sub and right insulator is fixed by fixed plate and fixed ring.
4. the device according to claim 3 for improving high voltage direct current relay reliability, which is characterized in that the fixed ring
It covers in the outside of the cylindrical structure, and the blind hole and cylindrical structure that are arranged by fixed ring and cylindrical structure side are cut with scissors
It closes.
5. the device according to claim 3 for improving high voltage direct current relay reliability, which is characterized in that the concave shape
Outside setting at the top of the two sidewalls of structure protrusion is jagged, and the lower part of the notch is provided with through-hole, the fixed plate two sides
Protrusion be each passed through the fixed left insulator of through-hole and right insulator of concave-shaped structure two sides.
6. the device according to claim 1 for improving high voltage direct current relay reliability, which is characterized in that the groove
Height is equal to the sum of thickness and relay overtravel of the slab bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525411.6U CN208225804U (en) | 2018-04-13 | 2018-04-13 | A kind of device improving high voltage direct current relay reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525411.6U CN208225804U (en) | 2018-04-13 | 2018-04-13 | A kind of device improving high voltage direct current relay reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208225804U true CN208225804U (en) | 2018-12-11 |
Family
ID=64528945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820525411.6U Expired - Fee Related CN208225804U (en) | 2018-04-13 | 2018-04-13 | A kind of device improving high voltage direct current relay reliability |
Country Status (1)
| Country | Link |
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| CN (1) | CN208225804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428596A (en) * | 2018-04-13 | 2018-08-21 | 宁波兴茂电子科技有限公司 | A kind of device improving high voltage direct current relay reliability |
-
2018
- 2018-04-13 CN CN201820525411.6U patent/CN208225804U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428596A (en) * | 2018-04-13 | 2018-08-21 | 宁波兴茂电子科技有限公司 | A kind of device improving high voltage direct current relay reliability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181211 Termination date: 20210413 |