CN104332348B - Auxiliary isolating switch - Google Patents
Auxiliary isolating switch Download PDFInfo
- Publication number
- CN104332348B CN104332348B CN201410672390.7A CN201410672390A CN104332348B CN 104332348 B CN104332348 B CN 104332348B CN 201410672390 A CN201410672390 A CN 201410672390A CN 104332348 B CN104332348 B CN 104332348B
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- CN
- China
- Prior art keywords
- moving contact
- bracing frame
- switch
- auxiliary
- relay
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
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- Warehouses Or Storage Devices (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The present invention relates to electric component-isolating switch, be specially a kind of auxiliary isolating switch. Solve the auxiliary isolating switch complex structure of existing import, the problem that cost is high. Comprise bracing frame, be positioned the motor on bracing frame, be supported on bracing frame and be subject to motor-driven leading screw, be positioned the static contact on bracing frame, by moving contact rack be fixed on the moving contact component that the moving contact on moving contact rack forms, with the auxiliary switch of Chang Kai and normally closed interlock K switch 1, K2, be supported on bracing frame for driving the cam of auxiliary switch action, be arranged at the first and second relay J D1, JD2 on bracing frame. Auxiliary isolating switch of the present invention is simple and reasonable for structure, unique, safe and reliable to operation, with low cost. Be particularly useful for CRH5 EMUs traction AuCT, for the electrical isolation of AuCT.
Description
Technical field
The present invention relates to electric component-isolating switch, be specially a kind of auxiliary isolating switch. This auxiliary isolating switch is mainly for CRH5 EMUs.
Background technology
Auxiliary isolating switch is applicable to CRH5 EMUs traction AuCT, for the electrical isolation of AuCT. The auxiliary isolating switch adopting is at present all external imported product, product structure complexity, and cost is high.
Summary of the invention
The present invention solves the auxiliary isolating switch complex structure of existing import, the problem that cost is high, and a kind of auxiliary isolating switch is provided.
The present invention adopts following technical scheme to realize: auxiliary isolating switch, comprise bracing frame, be positioned the motor on bracing frame, be supported on bracing frame and be subject to motor-driven leading screw, be positioned the static contact on bracing frame, by moving contact rack be fixed on the moving contact component that the moving contact on moving contact rack forms, with the auxiliary switch of Chang Kai and normally closed interlock K switch 1, K2, be supported in the cam for driving auxiliary switch to move on bracing frame, be arranged at the first and second relay J D1, JD2 on bracing frame; Moving contact is fixed on one end of moving contact rack corresponding with the position of static contact, and the other end of moving contact rack is placed on silk with threaded engagement and shoulders; Between moving contact rack and cam, be provided with linkage; One end of the first relay coil as ground terminal JD, the other end through the normally open contact K switch 1 of auxiliary switch as disconnecting control terminal DKKZ, one end of the second relay coil is connected with ground terminal JD, the other end through the normally closed interlock K switch 2 of auxiliary switch as Closed control terminal BHKZ; One end of normally-closed contact J1, the J3 of the first relay and the second relay is all connected with ground terminal JD, the other end is connected with the two ends of motor respectively, and one end of normally opened contact J2, the J4 of the first relay and the second relay is connected and is connected with the two ends of motor respectively as power supply terminal GD, the other end.
When work, the disconnection control terminal DKKZ of this auxiliary isolating switch, Closed control end BHKZ are under the control of disconnection, Closed control signal, and realization is with the disconnection of positive source with closed, and power supply terminal GD is connected with positive source, ground terminal JD ground connection. in the time having Closed control signal to produce, Closed control terminal BHKZ and positive source are connected, positive source is through the normally closed interlock K switch 2 of auxiliary switch, the second relay J D2 forms loop over the ground, the second relay J D2 is charged, its normally-closed contact J3 disconnects, normally opened contact J4 closure, make the charged forward of motor, driven by motor silk is shouldered rotation, one end is placed on a moving contact rack of shouldering and shoulders to an end motion along silk, simultaneously, moving contact rack rotates by linkage band moving cam, when moving to moving contact on it, moving contact rack contacts with static contact when closed, cam makes the normally closed interlock K switch 2 of auxiliary switch disconnect under the driving of linkage, normally open contact K switch 1 closure, the second relay J D2 dead electricity, its normally opened contact J4 disconnects, normally-closed contact J3 closure, motor dead electricity is stopped, now auxiliary isolating switch is in closure state. in the time having the control signal of disconnection to produce, disconnecting control terminal DKKZ and positive source connects, positive source is closed through the normally open contact K switch 1(of auxiliary switch), the first relay J D1 forms loop over the ground, the first relay J D1 is charged, its normally-closed contact J1 disconnects, normally opened contact J2 closure, motor is oppositely charged, make motor reversal, driven by motor silk is shouldered and is rotated backward, one end is placed on a moving contact rack of shouldering and shoulders to the other end and move along silk, simultaneously, moving contact rack rotates backward by linkage band moving cam, when moving to moving contact on it, moving contact rack separates with static contact while disconnecting, cam makes the normally open contact K switch 1 of auxiliary switch disconnect under the driving of linkage, normally closed interlock K switch 2 closures, the first relay J D1 dead electricity, its normally opened contact J2 disconnects, normally-closed contact J1 closure, motor dead electricity is stopped, now auxiliary isolating switch is in off-state.
Auxiliary isolating switch of the present invention is simple and reasonable for structure, unique, safe and reliable to operation, with low cost. Be particularly useful for CRH5 EMUs traction AuCT, for the electrical isolation of AuCT.
Brief description of the drawings
Fig. 1 is structural perspective of the present invention;
Fig. 2 is cut-away view of the present invention;
Fig. 3 is circuit theory diagrams of the present invention (parts in dotted line frame).
In figure: 1-bracing frame, 2-motor, 3-silk is shouldered, 4-static contact, 5-moving contact rack, 6-moving contact, 7-auxiliary switch, 8-cam, 9-linkage, 10-guide post, 11-spring.
Detailed description of the invention
Auxiliary isolating switch, comprise bracing frame 1, be positioned the motor 2 on bracing frame 1, the leading screw 3 that is supported on bracing frame 1 and driven by motor 2, be positioned the static contact 4 on bracing frame, by moving contact rack 5 be fixed on the moving contact component that the moving contact 6 on moving contact rack forms, with the auxiliary switch 7 of Chang Kai and normally closed interlock K switch 1, K2, be supported in the cam 8 for driving auxiliary switch 7 to move on bracing frame, be arranged at the first and second relay J D1, JD2 on bracing frame; Moving contact 6 is fixed on one end of moving contact rack 5 corresponding with the position of static contact 4, and the other end of moving contact rack 5 is placed on silk with threaded engagement and shoulders on 3; Between moving contact rack 5 and cam 8, be provided with linkage 9; One end of the first relay coil as ground terminal JD, the other end through the normally open contact K switch 1 of auxiliary switch 7 as disconnecting control terminal DKKZ, one end of the second relay coil is connected with ground terminal JD, the other end through the normally closed interlock K switch 2 of auxiliary switch 7 as Closed control terminal BHKZ; One end of normally-closed contact J1, the J3 of the first relay and the second relay is all connected with ground terminal JD, the other end is connected with the two ends of motor 2 respectively, and one end of normally opened contact J2, the J4 of the first relay and the second relay is connected and is connected with the two ends of motor 2 respectively as power supply terminal GD, the other end. When concrete enforcement, described bracing frame 1 comprises the gripper shoe of base plate and both sides, motor 2 is positioned on base plate, silk is shouldered 3 and is supported on base plate, static contact 4 is positioned between two gripper shoes and is positioned at top, the axle of cam 8() be supported between biside plate, other parts can be arranged at the correct position of bracing frame 1 as required. This auxiliary isolating switch also comprises a guide post 10, and guide post 10 is supported on bracing frame 1 and is positioned at silk shoulders 3 below, and guide post 10 is through the end of moving contact rack 5. Guide post 10 play the guiding role to the movement of moving contact rack 5, and the movement that can make moving contact rack 5 shoulder along silk is more steady, reliable. On guide post 10, moving contact rack 5 both sides covers have spring 11,11 cushioning effects of spring.
Claims (3)
1. an auxiliary isolating switch, it is characterized in that, comprise bracing frame (1), be positioned the motor (2) on bracing frame (1), be supported in the leading screw (3) that bracing frame (1) is upper and driven by motor (2), be positioned the static contact (4) on bracing frame, by moving contact rack (5) be fixed on the moving contact component that moving contact (6) on moving contact rack forms, with Chang Kai and normally closed interlock switch (K1, K2) auxiliary switch (7), be supported in the cam (8) for driving auxiliary switch (7) to move on bracing frame, be arranged at the first and second relay (JD1 on bracing frame, JD2), moving contact (6) is fixed on one end of moving contact rack (5) corresponding with the position of static contact (4), and the other end of moving contact rack (5) is placed on leading screw (3) with threaded engagement, between moving contact rack (5) and cam (8), be provided with linkage (9), one end of the first relay coil as ground terminal (JD), the other end through the normally open contact switch (K1) of auxiliary switch (7) as disconnecting control terminal (DKKZ), one end of the second relay coil is connected with ground terminal (JD), the other end through the normally closed interlock switch (K2) of auxiliary switch (7) as Closed control terminal (BHKZ), one end of the normally-closed contact (J1, J3) of the first relay and the second relay is all connected with ground terminal (JD), the other end is connected with the two ends of motor (2) respectively, and one end of the normally opened contact (J2, J4) of the first relay and the second relay is connected and is connected with the two ends of motor (2) respectively as power supply terminal (GD), the other end.
2. auxiliary isolating switch according to claim 1, is characterized in that, comprises a guide post (10), and guide post (10) is supported in bracing frame (1) above and is positioned at the below of leading screw (3), and guide post (10) is through the end of moving contact rack (5).
3. auxiliary isolating switch according to claim 2, is characterized in that,, moving contact rack (5) both sides cover upper at guide post (10) has spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410672390.7A CN104332348B (en) | 2014-11-22 | 2014-11-22 | Auxiliary isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410672390.7A CN104332348B (en) | 2014-11-22 | 2014-11-22 | Auxiliary isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332348A CN104332348A (en) | 2015-02-04 |
| CN104332348B true CN104332348B (en) | 2016-05-18 |
Family
ID=52407058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410672390.7A Active CN104332348B (en) | 2014-11-22 | 2014-11-22 | Auxiliary isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332348B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464494B (en) * | 2022-01-21 | 2024-03-29 | 苏州万龙电气集团股份有限公司 | DC isolating switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100364822B1 (en) * | 2000-12-01 | 2002-12-16 | 엘지산전 주식회사 | Interlock device for circuit breaker of leading type |
| CN200953288Y (en) * | 2006-04-07 | 2007-09-26 | 西安西开高压电气股份有限公司 | Electric operating mechanism for switch equipment |
| CN201369515Y (en) * | 2009-01-12 | 2009-12-23 | 正泰电气股份有限公司 | Electrically operated mechanism |
| CN203250679U (en) * | 2013-06-03 | 2013-10-23 | 沈阳东牧电器制造有限公司 | Three-position switch electric operating mechanism for GIS |
| CN204155820U (en) * | 2014-11-22 | 2015-02-11 | 永济新时速电机电器有限责任公司 | Auxiliary isolating switch |
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2014
- 2014-11-22 CN CN201410672390.7A patent/CN104332348B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104332348A (en) | 2015-02-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |