CN204155820U - Auxiliary isolating switch - Google Patents
Auxiliary isolating switch Download PDFInfo
- Publication number
- CN204155820U CN204155820U CN201420705146.1U CN201420705146U CN204155820U CN 204155820 U CN204155820 U CN 204155820U CN 201420705146 U CN201420705146 U CN 201420705146U CN 204155820 U CN204155820 U CN 204155820U
- Authority
- CN
- China
- Prior art keywords
- moving contact
- bracing frame
- switch
- auxiliary
- relay
- Prior art date
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to electric component-isolating switch, is specially a kind of auxiliary isolating switch.Solve the auxiliary isolating switch complex structure of existing import, problem that cost is high.Comprise bracing frame, be positioned the motor on bracing frame, to be supported on bracing frame and by motor-driven leading screw, be positioned the fixed 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, being supported in the cam for driving auxiliary switch action on bracing frame, being arranged at the first and second relay J D1, the JD2 on bracing frame.Auxiliary isolating switch described in the utility model 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 utility model relates to electric component-isolating switch, is 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 of current employing is all external imported product, and product structure is complicated, and cost is high.
Summary of the invention
The utility model solves the auxiliary isolating switch complex structure of existing import, problem that cost is high, provides a kind of auxiliary isolating switch.
The utility model adopts following technical scheme to realize: auxiliary isolating switch, comprise bracing frame, be positioned the motor on bracing frame, to be supported on bracing frame and by motor-driven leading screw, be positioned the fixed 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, being supported in the cam for driving auxiliary switch action on bracing frame, being arranged at the first and second relay J D1, the JD2 on bracing frame; Moving contact is fixed on one end of moving contact rack and corresponding with the position of fixed contact, and the other end of moving contact rack is placed on silk with threaded engagement and shoulders; Linkage is provided with between moving contact rack and cam; One end of first relay coil as earth terminal JD, the other end through the normally open contact K switch 1 of auxiliary switch as disconnection control terminal DKKZ, one end of the second relay coil is connected with earth terminal JD, the other end through the normally closed interlock K switch 2 of auxiliary switch as Closed control terminal BHKZ; First relay is all connected with earth terminal JD with one end of normally-closed contact J1, J3 of the second relay, the other end is connected with the two ends of motor respectively, and the first relay is connected with one end of normally opened contact J2, J4 of the second relay and is connected with the two ends of motor respectively as power supply terminal GD, the other end.
During work, disconnection control terminal DKKZ, the Closed control end BHKZ of this auxiliary isolating switch are under the control of disconnection, Closed control signal, and realize with the disconnection of positive source with closed, power supply terminal GD is connected with positive source, earth terminal JD ground connection.When there being 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, second relay J D2 forms loop over the ground, second relay J D2 is charged, its normally-closed contact J3 disconnects, normally opened contact J4 closes, make the charged rotating forward of motor, motor belt motor movable wire shoulders rotation, one end is placed on the moving contact rack that silk shoulders and shoulders to an end motion along silk, simultaneously, moving contact rack is rotated by linkage band moving cam, when the moving contact that moving contact rack moves on it contacts closed with fixed contact, cam makes the normally closed interlock K switch 2 of auxiliary switch disconnect under the driving of linkage, normally open contact K switch 1 closes, second relay J D2 dead electricity, its normally opened contact J4 disconnects, normally-closed contact J3 closes, motor dead electricity is stopped, now auxiliary isolating switch is in closure state.When there being disconnection control signal to produce, disconnection control terminal DKKZ and positive source are connected, positive source closes through the normally open contact K switch 1(of auxiliary switch), first relay J D1 forms loop over the ground, first relay J D1 is charged, its normally-closed contact J1 disconnects, normally opened contact J2 closes, motor is oppositely charged, make motor reversal, motor belt motor movable wire is shouldered and is rotated backward, one end is placed on moving contact rack that silk shoulders and shoulders along silk and move to the other end, simultaneously, moving contact rack is rotated backward by linkage band moving cam, when the moving contact that moving contact rack moves on it is separated disconnection with fixed contact, cam makes the normally open contact K switch 1 of auxiliary switch disconnect under the driving of linkage, normally closed interlock K switch 2 closes, first relay J D1 dead electricity, its normally opened contact J2 disconnects, normally-closed contact J1 closes, motor dead electricity is stopped, now auxiliary isolating switch is in off-state.
Auxiliary isolating switch described in the utility model 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.
Accompanying drawing explanation
Fig. 1 is structural perspective of the present utility model;
Fig. 2 is cut-away view of the present utility model;
Fig. 3 is circuit theory diagrams of the present utility model (parts in dotted line frame).
In figure: 1-bracing frame, 2-motor, 3-silk is shouldered, 4-fixed contact, 5-moving contact rack, 6-moving contact, 7-auxiliary switch, 8-cam, 9-linkage, 10-guide post, 11-spring.
Embodiment
Auxiliary isolating switch, comprise bracing frame 1, be positioned the motor 2 on bracing frame 1, be supported in the leading screw 3 driven on bracing frame 1 and by motor 2, be positioned the fixed 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, being supported in the cam 8 for driving auxiliary switch 7 action on bracing frame, being arranged at the first and second relay J D1, the JD2 on bracing frame; Moving contact 6 is fixed on one end of moving contact rack 5 and corresponding with the position of fixed contact 4, and the other end of moving contact rack 5 is placed on silk with threaded engagement and shoulders on 3; Linkage 9 is provided with between moving contact rack 5 and cam 8; One end of first relay coil as earth terminal JD, the other end through the normally open contact K switch 1 of auxiliary switch 7 as disconnection control terminal DKKZ, one end of the second relay coil is connected with earth terminal JD, the other end through the normally closed interlock K switch 2 of auxiliary switch 7 as Closed control terminal BHKZ; First relay is all connected with earth terminal JD with one end of normally-closed contact J1, J3 of the second relay, the other end is connected with the two ends of motor 2 respectively, and the first relay is connected with one end of normally opened contact J2, J4 of the second relay and is connected with the two ends of motor 2 respectively as power supply terminal GD, the other end.During concrete enforcement, described bracing frame 1 comprises the supporting bracket of base plate and both sides, motor 2 is positioned on base plate, silk is shouldered 3 and is supported on base plate, fixed contact 4 to be positioned between two supporting brackets and to be 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 to be supported on bracing frame 1 and to be positioned at the below that silk shoulders 3, and guide post 10 is through the end of moving contact rack 5.The movement of guide post 10 pairs of moving contact racks 5 play the guiding role, and the movement that moving contact rack 5 can be made to shoulder along silk is more steady, reliable.On guide post 10, moving contact rack 5 both sides cover have spring 11, spring 11 cushioning effects.
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) above and by motor (2) drives, be positioned the fixed 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 Chang Kai and normally closed interlock switch (K1, K2) auxiliary switch (7), be supported in the cam (8) for driving auxiliary switch (7) action 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) and corresponding with the position of fixed contact (4), and the other end of moving contact rack (5) is placed on silk with threaded engagement and shoulders on (3), linkage (9) is provided with between moving contact rack (5) and cam (8), one end of first relay coil as earth 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 earth terminal (JD), the other end through the normally closed interlock switch (K2) of auxiliary switch (7) as Closed control terminal (BHKZ), first relay is all connected with earth terminal (JD) with one end of the normally-closed contact (J1, J3) of the second relay, the other end is connected with the two ends of motor (2) respectively, and the first relay is connected with one end of the normally opened contact (J2, J4) of the second relay 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) and goes up and be positioned at the below that silk shoulders (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 |
|---|---|---|---|
| CN201420705146.1U CN204155820U (en) | 2014-11-22 | 2014-11-22 | Auxiliary isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420705146.1U CN204155820U (en) | 2014-11-22 | 2014-11-22 | Auxiliary isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204155820U true CN204155820U (en) | 2015-02-11 |
Family
ID=52513918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420705146.1U Withdrawn - After Issue CN204155820U (en) | 2014-11-22 | 2014-11-22 | Auxiliary isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204155820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332348A (en) * | 2014-11-22 | 2015-02-04 | 永济新时速电机电器有限责任公司 | Auxiliary isolating switch |
-
2014
- 2014-11-22 CN CN201420705146.1U patent/CN204155820U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332348A (en) * | 2014-11-22 | 2015-02-04 | 永济新时速电机电器有限责任公司 | Auxiliary isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150211 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |