CN204732354U - Envelope star contactor - Google Patents
Envelope star contactor Download PDFInfo
- Publication number
- CN204732354U CN204732354U CN201520498748.9U CN201520498748U CN204732354U CN 204732354 U CN204732354 U CN 204732354U CN 201520498748 U CN201520498748 U CN 201520498748U CN 204732354 U CN204732354 U CN 204732354U
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- Prior art keywords
- bridge
- contact
- type contact
- envelope star
- contactor
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- Expired - Fee Related
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- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 238000005728 strengthening Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
A kind of envelope star contactor, comprise contactor body and housing, contactor body upper part is provided with moving frame, moving frame is provided with 3 bridge-type contact A and 3 bridge-type contact B, corresponding, housing is provided with 6 fixed contact A and 6 fixed contact B, contactor body lower part is provided with magnetic system, be synchronized with the movement by 6 the bridge-type contact arbitrary-movement articulators be arranged in parallel above magnetic system, the 6 pairs of main contacts be arranged space that structure saves in parallel for strengthening magnetic system, while reducing contactor volume further, the reliability of equipment can be improved.
Description
Technical field
The utility model relates to the technical field of electric switch, is a kind of envelope star contactor specifically.
Background technology
Permanent magnet synchronous motor is under power failure state, utilize the contactor with disjunction main contact that the three-phase windings of permanent magnet synchronous motor armature is given short circuit, an independently electric loop is formed in motor interior, brake, be commonly called as " envelope star technology ", the contactor that can complete " envelope star technology " is called as envelope star contactor.At present, the auxiliary contact of useful conventional contact completes " envelope star technology ", there is the little and defect of synchronization discrepancy of capacity; Also have and connect conventional contact 3 the envelope star contactor increasing by 3 disjunction main contacts formation above main contact, because the suction of magnetic system shows slightly not enough under the restriction of height, make the end pressure of the disjunction main contact of " envelope star technology " on the low side.Along with control cubicle on market be tending towards miniaturized and system to the requirement of reliability, reduce highly, moving frame overall structure, that strengthen disjunction main contact opens distance and end pressure.
Prior art, Chinese patent, a kind of envelope star contactor (application number: 201320360873.4) disclose a kind of envelope star contactor, comprise contactor body, housing, also comprise normally closed interlock, arc-chute, buffer spring, described moving frame is provided with 3 bridge-shaped contact B, described housing is provided with 3 fixed contact B, described 3 bridge-shaped contact B form 3 pairs of normally closed interlocks with 3 fixed contact B respectively, described 3 pairs of normally closed interlocks are positioned at the top of described 3 pairs of normally open contacts, normally open contact described in 3 groups is connected with normally closed interlock described in 3 groups respectively, normally closed interlock described in 3 groups is in parallel, described arc-chute to be arranged on described contactor body and to be positioned at the top of described 3 fixed contact A and 3 fixed contact B, described buffer spring to be fixed between described moving frame and described housing and symmetrical placement, this technical scheme makes 6 bridge-type contact arbitrary-movement articulators be synchronized with the movement, and saves space, but still has been improved the leeway of improvement.
Prior art, Chinese patent, a kind of quiet envelope star contactor (application number: 201320400549.0), disclose a kind of quiet envelope star contactor, comprise housing and the electromagnetic system being arranged on enclosure interior, moving frame, coil, armature, described electromagnetic system is arranged on the side of described moving frame, described coil and armature are arranged on the below of described moving frame, also comprise bridge-type contact A, bridge-type contact B, fixed contact A, fixed contact B, lay respectively at the both sides of described moving frame, described bridge-type contact A, bridge-type contact B, fixed contact A, fixed contact B is provided with 3, described bridge-type contact A is connected with reaction spring, described reaction spring is provided with damping, described coil outer is covered with sleeve, sliding rail is provided with between described sleeve and armature, this technical scheme is slightly not enough in the saving of space.
In sum, all there is flaw in various degree in traditional handicraft and existing more advanced public technology, haves much room for improvement.
Utility model content
The purpose of this utility model is for the problems of the prior art and basis, provides a kind of envelope star contactor.
Technical solution adopted in the utility model is:
A kind of envelope star contactor, comprise contactor body and housing, contactor body is fixed on enclosure interior, contactor body comprises inlet wire side and outgoing line side two parts, contactor body upper part is provided with moving frame, moving frame is provided with three bridge-type contact A and three bridge-type contact B, wherein, housing is positioned at outgoing line side part and is provided with three fixed contact A1 and three fixed contact B1, housing is positioned at inlet wire side part and is provided with three fixed contact A2 and three fixed contact B2, corresponding bridge-type contact A and fixed contact A1, A2 formation makes contact for a pair, corresponding bridge-type contact B and fixed contact B1, B2 forms a pair break contact.
Three described fixed contact B2 are connected by envelope star short-circuit board.
Described adjacent fixed contact A1 is connected by envelope star connecting plate with fixed contact B1.
Described contactor body lower part is provided with magnetic system, and magnetic system both sides are provided with auxiliary contact.
Be provided with main reaction spring in the middle part of described contactor body, main reaction spring two ends connect with housing bottom inwall and moving frame respectively.
Described bridge-type contact A and bridge-type contact B is arranged alternately, is provided with a bridge-type contact B between adjacent two bridge-type contact A, is provided with a bridge-type contact A between adjacent two bridge-type contact B.
Described bridge-type contact A is positioned at same plane height, and bridge-type contact B is positioned at same plane height, and bridge-type contact A and bridge-type contact B is parallel to each other.
Described break contact open distance >=8mm.
End pressure >=the 1.3N of described break contact.
The advantage that the utility model has and good effect are:
6 the bridge-type contact arbitrary-movement articulators be arranged in parallel above magnetic system are synchronized with the movement, and the 6 pairs of main contacts be arranged space that structure saves in parallel for strengthening magnetic system, while reducing contactor volume further, can improve the reliability of equipment.
Accompanying drawing explanation
Fig. 1 is the outgoing line side structure chart of envelope star contactor of the present utility model.
Fig. 2 is the inlet wire side structure figure of envelope star contactor of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, technical scheme is specifically described.
As shown in the figure, a kind of envelope star contactor, comprise contactor body and housing (1), contactor body is fixed on enclosure interior, contactor body comprises inlet wire side and outgoing line side two parts, contactor body upper part is provided with moving frame (2), moving frame is provided with three bridge-type contact A(3) and three bridge-type contact B(4), wherein, housing is positioned at outgoing line side part and is provided with three fixed contact A1(5) and three fixed contact B1(6), housing is positioned at inlet wire side part and is provided with three fixed contact A2(7) and three fixed contact B2(8), corresponding bridge-type contact A and fixed contact A1, A2 formation makes contact for a pair, corresponding bridge-type contact B and fixed contact B1, B2 forms a pair break contact.
Three fixed contact B2 are connected by envelope star short-circuit board (9).
Adjacent fixed contact A1 is connected by envelope star connecting plate (10) with fixed contact B1.
Contactor body lower part is provided with magnetic system (11), and magnetic system both sides are provided with auxiliary contact (12).
Be provided with main reaction spring (13) in the middle part of contactor body, main reaction spring two ends connect with housing bottom inwall and moving frame respectively.
Bridge-type contact A and bridge-type contact B is arranged alternately, is provided with a bridge-type contact B between adjacent two bridge-type contact A, is provided with a bridge-type contact A between adjacent two bridge-type contact B; Bridge-type contact A is positioned at same plane height, and bridge-type contact B is positioned at same plane height, and bridge-type contact A and bridge-type contact B is parallel to each other.
Break contact open distance >=8mm, the end pressure >=1.3N of break contact.
During work, magnetic system switches on power, and under the drive of moving frame, 3 disconnect connection contact closure, 3 pairs of break contacts, normally work; When after magnetic system deenergization, under the effect of main counter-force spring, moving frame resets and drives 3 to close the disconnection that makes contact, 3 pairs of break contacts, thus completes envelope star function.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model with preferred embodiment openly as above, but, and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, certainly the technology contents of announcement can be utilized to make a little change or modification, become the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (9)
1. an envelope star contactor, comprise contactor body and housing, contactor body is fixed on enclosure interior, contactor body comprises inlet wire side and outgoing line side two parts, contactor body upper part is provided with moving frame, moving frame is provided with three bridge-type contact A and three bridge-type contact B, it is characterized in that: housing is positioned at outgoing line side part and is provided with three fixed contact A1 and three fixed contact B1, housing is positioned at inlet wire side part and is provided with three fixed contact A2 and three fixed contact B2, corresponding bridge-type contact A and fixed contact A1, A2 formation makes contact for a pair, corresponding bridge-type contact B and fixed contact B1, B2 forms a pair break contact.
2. envelope star contactor according to claim 1, is characterized in that: three fixed contact B2 are connected by envelope star short-circuit board.
3. envelope star contactor according to claim 1 and 2, is characterized in that: adjacent fixed contact A1 is connected by envelope star connecting plate with fixed contact B1.
4. envelope star contactor according to claim 3, it is characterized in that: contactor body lower part is provided with magnetic system, magnetic system both sides are provided with auxiliary contact.
5. envelope star contactor according to claim 4, is characterized in that: be provided with main reaction spring in the middle part of contactor body, main reaction spring two ends connect with housing bottom inwall and moving frame respectively.
6. envelope star contactor according to claim 5, is characterized in that: bridge-type contact A and bridge-type contact B is arranged alternately, is provided with a bridge-type contact B between adjacent two bridge-type contact A, is provided with a bridge-type contact A between adjacent two bridge-type contact B.
7. the envelope star contactor according to claim 5 or 6, is characterized in that: bridge-type contact A is positioned at same plane height, and bridge-type contact B is positioned at same plane height, and bridge-type contact A and bridge-type contact B is parallel to each other.
8. envelope star contactor according to claim 7, is characterized in that: break contact open distance >=8mm.
9. envelope star contactor according to claim 7, is characterized in that: the end pressure >=1.3N of break contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498748.9U CN204732354U (en) | 2015-07-13 | 2015-07-13 | Envelope star contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498748.9U CN204732354U (en) | 2015-07-13 | 2015-07-13 | Envelope star contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204732354U true CN204732354U (en) | 2015-10-28 |
Family
ID=54390688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520498748.9U Expired - Fee Related CN204732354U (en) | 2015-07-13 | 2015-07-13 | Envelope star contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204732354U (en) |
-
2015
- 2015-07-13 CN CN201520498748.9U patent/CN204732354U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170314 Address after: 300000 Tianjin City Hedong District Fumin Road 6 ranked No. 5 in the new company Patentee after: Zhang Shijiang Address before: 300384 Tianjin City Huayuan Industrial Zone Binhai Xinmao science and Technology Park G block five layer E unit -04 Patentee before: TIANJIN HUAKANG JINGYU ELECTRIC APPLIANCE TECHNOLOGY CO., LTD. |
|
| 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: 20151028 Termination date: 20170713 |