CN201323157Y - Isolating switch for high-voltage electrical distribution device in coal mine - Google Patents
Isolating switch for high-voltage electrical distribution device in coal mine Download PDFInfo
- Publication number
- CN201323157Y CN201323157Y CNU2008201067668U CN200820106766U CN201323157Y CN 201323157 Y CN201323157 Y CN 201323157Y CN U2008201067668 U CNU2008201067668 U CN U2008201067668U CN 200820106766 U CN200820106766 U CN 200820106766U CN 201323157 Y CN201323157 Y CN 201323157Y
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- CN
- China
- Prior art keywords
- switch
- moving plug
- isolated moving
- circuit breaker
- earth
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- Expired - Lifetime
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Abstract
The utility model discloses an isolating switch for a high-voltage electrical distribution device in a coal mine, which belongs to the mechanical switch mechanisms; and the utility model solves the technical problems that a high-voltage switch still reserves residual voltage at an output terminal and at an input terminal of a high-voltage circuit breaker after separating brake of the isolating switch, so that the electric shock accidents are easily generated when the worker overhauls the device. The isolating switch comprises a switch box body (1), an isolating plug (3), a movable isolating plug (4) and a manual driving lever (5) of the movable isolating plug (4), an electroconductive plate (11) is fixedly arranged at the front end of the movable isolating plug (4), an earth clamp of the electroconductive plate (12) is fixedly arranged at the lower end of the electroconductive plate (11), an earth terminal (10) is arranged on the switch box body (1), an earth clamp of the movable isolating plug (9) is fixedly arranged at the rear end of the movable isolating plug (4), and an electric discharge pole (6) at the output terminal of the circuit breaker is arranged on the switch box body (1). The isolating switch has the characteristics of small volume, light weight, portable operation of opening and closing brake, security and reliability.
Description
Technical field
The present invention relates to a kind of high-voltage switch gear, the isolating switch that particularly a kind of down-hole high pressure power distribution equipment is used.
Background technology
At present, the down-hole high pressure power distribution equipment adopts usually and contains element handcart-type isolated moving plugs such as primary cut-out, voltage transformer, current transformer and piezo-resistance, its advantage is three-phase power line and threephase load line all can be isolated, but the switch of this structure is behind the isolating switch separating brake, the output of primary cut-out and input have still been retained residual voltage, make the workman cause electric shock accidents easily when repair apparatus.
Summary of the invention
The isolating switch that a kind of down-hole high pressure power distribution equipment provided by the invention is used has solved existing high-voltage switch gear behind the isolating switch separating brake, the output of primary cut-out and input have still been retained residual voltage, make the workman cause the technical problem of electric shock accidents easily when repair apparatus.
The present invention overcomes the above problems by following scheme:
The isolating switch that a kind of down-hole high pressure power distribution equipment is used, comprise switch casing 1, box partition 2 in the setting of switch casing 1 internal fixation, isolate socket 3 and isolated moving plug 4, the top board of switch casing 1 is provided with the manual actuation lever 5 of isolated moving plug 4, this manual actuation lever 5 can drive isolated moving plug 4 and realize and the folding that is fixed on the isolation socket 3 on the box partition 2, front end at isolated moving plug 4 is set with conductive plate 11, be set with conductive plate earth clamp 12 in the bottom of this conductive plate 11, on switch casing 1, be set with earth terminal 10 with conductive plate earth clamp 12 corresponding sections, be set with isolated moving plug earth clamp 9 in the rear end of isolated moving plug 4, on switch casing 1, be set with circuit breaker output discharge column 6 with isolated moving plug earth clamp 9 corresponding sections, when manual actuation lever 5 driving isolated moving plugs 4 separate with isolation socket 3, conductive plate earth clamp 12 touches with earth terminal 10 activities, isolated moving plug earth clamp 9 touches with 6 activities of circuit breaker output discharge column, conductive plate 11 is electrically connected by a flexible conductor with the input 13 of circuit breaker 14, circuit breaker output discharge column 6 is electrically connected by flexible conductor 7 with the output 8 of circuit breaker 14, and isolated moving plug earth clamp 9 is electrically connected by a flexible conductor with earth terminal 10.
Described isolation socket 3 and isolated moving plug 4 are stab contact, the socket of three-phase.
It is little, in light weight that the present invention has a volume, the characteristics that the folding lock is light and safe and reliable.
Description of drawings:
Fig. 1 is a structural representation of the present invention
Embodiment
The isolating switch that a kind of down-hole high pressure power distribution equipment is used, comprise switch casing 1, box partition 2 in the setting of switch casing 1 internal fixation, isolate socket 3 and isolated moving plug 4, the top board of switch casing 1 is provided with the manual actuation lever 5 of isolated moving plug 4, this manual actuation lever 5 can drive isolated moving plug 4 and realize and the folding that is fixed on the isolation socket 3 on the box partition 2, front end at isolated moving plug 4 is set with conductive plate 11, be set with conductive plate earth clamp 12 in the bottom of this conductive plate 11, on switch casing 1, be set with earth terminal 10 with conductive plate earth clamp 12 corresponding sections, be set with isolated moving plug earth clamp 9 in the rear end of isolated moving plug 4, on switch casing 1, be set with circuit breaker output discharge column 6 with isolated moving plug earth clamp 9 corresponding sections, when manual actuation lever 5 driving isolated moving plugs 4 separate with isolation socket 3, conductive plate earth clamp 12 touches with earth terminal 10 activities, isolated moving plug earth clamp 9 touches with 6 activities of circuit breaker output discharge column, conductive plate 11 is electrically connected by a flexible conductor with the input 13 of circuit breaker 14, circuit breaker output discharge column 6 is electrically connected by flexible conductor 7 with the output 8 of circuit breaker 14, isolated moving plug earth clamp 9 is electrically connected by a flexible conductor with earth terminal 10, at this moment, remaining capacity on the input 13 of circuit breaker 14 passes through flexible conductor successively, conductive plate earth clamp 12 and earth terminal 10 are bled off, and the remaining capacity on the output 8 of circuit breaker 14 is successively by flexible conductor 7, circuit breaker output discharge column 6, isolated moving plug earth clamp 9 and earth terminal 10 are bled off.When manual actuation lever 5 driving isolated moving plugs 4 plugged together with isolation socket 3, conductive plate earth clamp 12 separated with earth terminal 10, and isolated moving plug earth clamp 9 separates with circuit breaker output discharge column 6.Described isolation socket 3 and isolated moving plug 4 can be stab contact, the socket of three-phase.
Claims (2)
1, the isolating switch that a kind of down-hole high pressure power distribution equipment is used, comprise switch casing (1), box partition (2) in the setting of switch casing (1) internal fixation, isolate socket (3) and isolated moving plug (4), it is characterized in that: the top board of switch casing (1) is provided with the manual actuation lever (5) of isolated moving plug (4), this manual actuation lever (5) can drive the folding that the isolation socket (3) on the box partition (2) was realized and be fixed on to isolated moving plug (4), front end at isolated moving plug (4) is set with conductive plate (11), be set with conductive plate earth clamp (12) in the bottom of this conductive plate (11), go up and conductive plate earth clamp (12) corresponding section is set with earth terminal (10) at switch casing (1), be set with isolated moving plug earth clamp (9) in the rear end of isolated moving plug (4), go up and isolated moving plug earth clamp (9) corresponding section is set with circuit breaker output discharge column (6) at switch casing (1), when manual actuation lever (5) drives isolated moving plug (4) and isolates socket (3) when separating, conductive plate earth clamp (12) touches with earth terminal (10) activity, isolated moving plug earth clamp (9) touches with circuit breaker output discharge column (6) activity, conductive plate (11) is electrically connected by a flexible conductor with the input (13) of circuit breaker (14), circuit breaker output discharge column (6) is electrically connected by flexible conductor (7) with the output (8) of circuit breaker (14), and isolated moving plug earth clamp (9) is electrically connected by a flexible conductor with earth terminal (10).
2, the isolating switch used of a kind of down-hole high pressure power distribution equipment according to claim 1, it is characterized in that: described isolation socket (3) and isolated moving plug (4) are the stab contact of three-phase, socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201067668U CN201323157Y (en) | 2008-11-17 | 2008-11-17 | Isolating switch for high-voltage electrical distribution device in coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201067668U CN201323157Y (en) | 2008-11-17 | 2008-11-17 | Isolating switch for high-voltage electrical distribution device in coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323157Y true CN201323157Y (en) | 2009-10-07 |
Family
ID=41160532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201067668U Expired - Lifetime CN201323157Y (en) | 2008-11-17 | 2008-11-17 | Isolating switch for high-voltage electrical distribution device in coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323157Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447360B (en) * | 2008-11-17 | 2011-07-13 | 山西汾西机电有限公司 | Isolating switch for underground high-voltage power distribution device |
-
2008
- 2008-11-17 CN CNU2008201067668U patent/CN201323157Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447360B (en) * | 2008-11-17 | 2011-07-13 | 山西汾西机电有限公司 | Isolating switch for underground high-voltage power distribution device |
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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: 20091007 Effective date of abandoning: 20081117 |