CN209029309U - A kind of auxiliary switchgear for high voltage direct current relay - Google Patents
A kind of auxiliary switchgear for high voltage direct current relay Download PDFInfo
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- CN209029309U CN209029309U CN201821425016.7U CN201821425016U CN209029309U CN 209029309 U CN209029309 U CN 209029309U CN 201821425016 U CN201821425016 U CN 201821425016U CN 209029309 U CN209029309 U CN 209029309U
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- iron core
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- high voltage
- direct current
- voltage direct
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Abstract
The utility model provides a kind of auxiliary switchgear for high voltage direct current relay, comprising: metal cavity is externally provided with the coil of the high voltage direct current relay, and bottom is equipped with ceramic ring, and the ceramic ring inner via hole is equipped with the first contact；Set on the intracorporal iron core of wire chamber, inside there is guide groove, the iron core is made of static iron core and dynamic iron core two parts, and the static iron core is fixed at metal cavity top, and the dynamic iron core is set to metal cavity lower part；There are gaps between the static iron core and dynamic iron core, and compressed spring is equipped in the gap；The dynamic iron core bottom is equipped with conduction element, is equipped with the second contact；The drive rod one end thereof of high voltage direct current relay is fixedly connected with dynamic iron core；First contact and conduction element, the second contact form contact switch.The apparatus structure is simple, and the on off operating mode of high voltage direct current relay is fed back by contact switch, is mounted on inside relay, is not take up extra space.
Description
Technical field
The utility model relates to a kind of auxiliary switchgears for high voltage direct current relay.
Background technique
High voltage direct current relay can not monitor, feed back the work of high voltage direct current relay without auxiliary switch function at present
State cannot effectively be fed back when being abnormal, product in practical applications using external special circuit come to high voltage direct current after
The working condition of electric appliance carries out signal acquisition, not only increases cost, and the requirement to designer is also high, and to entire control
The outer dimension of system is limited, and the miniaturization of Full Vehicle System, light-weighted developing direction are not met.
Summary of the invention
In view of the deficiencies of the prior art, the technical issues of the utility model solves is to provide a kind of for high voltage direct current relay
The auxiliary switchgear of device, the auxiliary switchgear structure is simple, can timely feedback the on off operating mode of relay.
The utility model solves above-mentioned technical problem, using following technical scheme:
A kind of auxiliary switchgear for high voltage direct current relay, the high voltage direct current relay include static contact, move
The drive rod that contact and the driving moving contact move up and down to be connected to and disconnect with the static contact, the auxiliary switch dress
It sets and includes:
Metal cavity, is externally provided with the coil of the high voltage direct current relay, and bottom is equipped with ceramic ring, the ceramic ring
Inner via hole is equipped with the first contact, and first contact is used for and external signal circuit connection；
Set on the intracorporal iron core of wire chamber, inside there is guide groove, the iron core is made of static iron core and dynamic iron core two parts,
Wherein, the static iron core is fixed at metal cavity top, and the dynamic iron core is set to metal cavity lower part；The static iron core and dynamic
There are gaps between iron core, and compressed spring is equipped in the gap；The dynamic iron core bottom is equipped with conduction element, is equipped with and first
The second contact that contact matches；
After the drive rod sequentially passes through the guide groove in static iron core and dynamic iron core, one end thereof and the fixed company of dynamic iron core
It connects, so that the drive rod follows the dynamic iron core to move up and down in metal cavity；First contact and conduction element, second
Contact forms contact switch.
An embodiment of the present invention there are two the ceramic ring is set, is symmetrical set, phase in metal cavity bottom surface
Ying Di, there are two the first contact is set, there are two the second contact is set.
As the utility model preferred embodiment, the second riveting contacts are on conduction element.
The compressed spring is sheathed on the drive rod periphery as a further improvement of the utility model,.
Further, the static iron core and the guide groove of dynamic iron core mill notch into a ladder in the two proximal end respectively, are used for
Fixed placement compressed spring, and compressed spring bottom end is fixed in dynamic iron core.
The working principle of the auxiliary switchgear for high voltage direct current relay of the utility model is as follows: working as high voltage direct current
When the coil of relay is powered, since electromagnetic action generates electromagnetic attraction, dynamic iron core moves upwards in metal cavity, and second
The first contact is left in contact, and auxiliary contact are as normally opened, and compressed spring is in compressive state at this time, while dynamic iron core drives transmission
Bar moves up, and the moving contact of high voltage direct current relay is connected with static contact；When the coil blackout of high voltage direct current relay, line
It encloses electromagnetic attraction to disappear, restPose under elastic force effect in compressed spring, dynamic iron core resets, high voltage direct current relay
Moving contact and static contact disconnect, and the second contact is contacted with the first contact, and auxiliary contact are as normally closed.First contact and external signal
Circuit connection, it can by the signal of external circuit, judge being opened or closed for high voltage direct current relay.
The utility model has the following beneficial effects:
The auxiliary switchgear for high voltage direct current relay of the utility model is a kind of auxiliary contact switch device, can
To pass through the on off operating mode of contact switch feddback relay device, while the apparatus structure is simple, is mounted in high voltage direct current relay
Portion is not take up extra space, and product has been effectively ensured in the case where not changing original volume, has realized auxiliary contact switch
Function.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model for the auxiliary switchgear normally off of high voltage direct current relay；
Fig. 2 is structural schematic diagram of the utility model for the auxiliary switchgear normally open of high voltage direct current relay；
Description of symbols in attached drawing: 1- static contact；2- moving contact；3- drive rod；4- metal cavity；5- iron core；6- compresses bullet
Spring；7- conduction element；8- ceramic ring；The first contact 9-；The second contact 10-；The gap 11-；12- static iron core；13- dynamic iron core.
Specific embodiment
The technical solution of the utility model is further elaborated below in conjunction with the drawings and specific embodiments.
Auxiliary switchgear as shown in Figure 1 and Figure 2 for high voltage direct current relay comprising metal cavity 4, iron core
5, compressed spring 6.
Metal cavity 4, is externally provided with the coil (not shown) of high voltage direct current relay, and bottom symmetrical is provided with two
A ceramic ring 8, each 8 inner via hole of ceramic ring are equipped with the first contact 9, the first contact 9 and external signal circuit connection；Iron core 5 is set
In in metal cavity 4, inside there is guide groove, iron core 5 is made of static iron core 12 and 13 two parts of dynamic iron core, and wherein static iron core 12 is solid
Surely it is set to 4 top of metal cavity, dynamic iron core 13 is set to 4 lower part of metal cavity, and 13 bottom of dynamic iron core is equipped with conduction element 7, described to lead
The riveting of 7 bottom surface of parts has the second contact 10, matches with the first contact 9；There are gap 11 between static iron core 13 and dynamic iron core 14,
11 spacing of gap is greater than the spacing between the dynamic and static contact of high-voltage relay, and compressed spring 6 is equipped in the gap 11, in order to more
Compressed spring 6 is fixed well, and static iron core 12 and the guide groove of dynamic iron core 13 mill notch into a ladder in the two proximal end respectively, compress bullet
Spring 6 is placed in ladder-like notch, and its bottom end is fixed in dynamic iron core 13；The drive rod 3 of high voltage direct current relay is successively worn
After crossing guide groove in static iron core 12, compressed spring 6,13 guide groove of dynamic iron core, bottom end is fixedly connected with dynamic iron core 13, is passed in this way
Lever 3 can follow dynamic iron core 13 to move up and down in metal cavity 4；First contact 9 forms with conduction element 7, the second contact 10 and touches
Point switch.
The working principle of the auxiliary switchgear for high voltage direct current relay of the utility model is as follows: working as high voltage direct current
When the coil of relay is powered, since electromagnetic action generates electromagnetic attraction, dynamic iron core 13 moves upwards in metal cavity 4,
The first contact 9 is left in second contact 10, and auxiliary contact are as normally opened, and compressed spring 6 is in compressive state, while dynamic iron core at this time
13 drive drive rods 3 move up, and the moving contact 2 and static contact 1 of high voltage direct current relay are connected；When high voltage direct current relay
When coil blackout, coil electromagnetism attraction disappears, and restPoses under elastic force effect in compressed spring 6, and dynamic iron core 13 resets,
The moving contact 2 and static contact 1 of high voltage direct current relay disconnect, and the second contact 10 is contacted with the first contact 9, and auxiliary contact are as normal
It closes.First contact 9 and external signal circuit connection, it can by the signal of external circuit, judge high voltage direct current relay
It disconnects or is connected.
The better embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (5)
1. a kind of auxiliary switchgear for high voltage direct current relay, the high voltage direct current relay includes static contact, dynamic touching
The drive rod that head and the driving moving contact move up and down to be connected to and disconnect with the static contact, which is characterized in that described
Auxiliary switchgear includes:
Metal cavity, is externally provided with the coil of the high voltage direct current relay, and bottom is equipped with ceramic ring, leads in the ceramic ring
Hole is equipped with the first contact, and first contact is used for and external signal circuit connection；
Set on the intracorporal iron core of wire chamber, inside there is guide groove, the iron core is made of static iron core and dynamic iron core two parts,
In, the static iron core is fixed at metal cavity top, and the dynamic iron core is set to metal cavity lower part；The static iron core and dynamic iron
There are gaps between core, and compressed spring is equipped in the gap；The dynamic iron core bottom is equipped with conduction element, is equipped with and the first touching
The second contact that point matches；
After the drive rod sequentially passes through the guide groove in static iron core and dynamic iron core, one end thereof is fixedly connected with dynamic iron core,
So that the drive rod follows the dynamic iron core to move up and down in metal cavity；First contact and conduction element, the second touching
Point forms contact switch.
2. the auxiliary switchgear according to claim 1 for high voltage direct current relay, which is characterized in that the ceramics
Two are equipped with, is symmetrical set in metal cavity bottom surface.
3. the auxiliary switchgear according to claim 2 for high voltage direct current relay, which is characterized in that the compression
Spring pocket is set to the drive rod periphery.
4. the auxiliary switchgear according to claim 3 for high voltage direct current relay, which is characterized in that the quiet iron
Core and the guide groove of dynamic iron core mill notch into a ladder in the two proximal end respectively, are used for fixed placement compressed spring, and compress bullet
Spring bottom end is fixed in dynamic iron core.
5. the auxiliary switchgear according to claim 1-4 for high voltage direct current relay, which is characterized in that
Second riveting contacts are on conduction element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821425016.7U CN209029309U (en) | 2018-08-31 | 2018-08-31 | A kind of auxiliary switchgear for high voltage direct current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821425016.7U CN209029309U (en) | 2018-08-31 | 2018-08-31 | A kind of auxiliary switchgear for high voltage direct current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209029309U true CN209029309U (en) | 2019-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821425016.7U Active CN209029309U (en) | 2018-08-31 | 2018-08-31 | A kind of auxiliary switchgear for high voltage direct current relay |
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|---|---|
| CN (1) | CN209029309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021106673A1 (en) * | 2019-11-29 | 2021-06-03 | パナソニックＩｐマネジメント株式会社 | Electromagnetic relay |
-
2018
- 2018-08-31 CN CN201821425016.7U patent/CN209029309U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021106673A1 (en) * | 2019-11-29 | 2021-06-03 | パナソニックＩｐマネジメント株式会社 | Electromagnetic relay |
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