CN201355594Y - Electric locking device - Google Patents
Electric locking device Download PDFInfo
- Publication number
- CN201355594Y CN201355594Y CNU2008201560157U CN200820156015U CN201355594Y CN 201355594 Y CN201355594 Y CN 201355594Y CN U2008201560157 U CNU2008201560157 U CN U2008201560157U CN 200820156015 U CN200820156015 U CN 200820156015U CN 201355594 Y CN201355594 Y CN 201355594Y
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- CN
- China
- Prior art keywords
- switch
- cabinet
- blocking device
- chassis
- car
- 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.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses an electric locking device, and relates to the technical field of electric locking device manufacture. The electric locking device comprises an isolating knife operating mechanism and a circuit breaker, wherein the isolating knife operating mechanism is arranged in a leading-in metering cabinet, and the circuit breaker is arranged in a leading-in switch cabinet; a switch electromagnetic lock and a travel switch are arranged on the isolating knife operating mechanism, and a locking electromagnetic coil for controlling a chassis vehicle wane is arranged on the circuit breaker; an auxiliary switch is arranged on the chassis vehicle, and the travel switch and the locking electromagnetic coil are connected with the secondary circuit of the leading-in switch cabinet; and the auxiliary switch and the switch electromagnetic lock are connected with the secondary circuit of the leading-in metering cabinet. The utility model has simple structure, convenient installation, simple and reliable operation, and no maintenance, and solves the problems that two different components in two adjacent cabinets can not be locked by a machine.
Description
Technical field
The utility model relates to the electric blocking field, and is particularly related to a kind of electric blocking device.
Background technology
Locking device is a kind ofly to make the operation of switch depend on one or several the other position component of equipment or the device of operation.That utilizes mechanical relation connection just is mechanical locking device; That utilizes electric relation connection just is the electric blocking device.
The inlet wire metering cabinet is a kind of high-tension switch cabinet in " the high meter of high control " operational mode, and components and parts such as isolation knife, fuse, current transformer and voltage transformer are housed in the cabinet.Current transformer and voltage transformer mainly carry out on high-tension side electricity consumption metering to be gathered, and is transported to the kilowatt-hour meter screen then and goes up the demonstration power consumption; Isolation knife mainly is when considering current transformer and voltage transformer maintenance, isolates primary power source (cannot on-load cut off the electricity supply), to guarantee maintenance safety.Circuit breaker (containing the chassis car), current transformer and a cover protective device are housed in the service entrance switch cabinet, whole system is monitored, measures and protects, can carry out branch, close by on-load in addition, and cut-off the short circuit current on the bus one time.
Inlet wire metering cabinet and service entrance switch cabinet are two adjacent independently intervals.The isolation knife of must closing before the car of operating breaker chassis; Breaker open operation and chassis car must be fallen back on test position before the branch isolation knife.Isolation knife is that two kinds of different components and parts and operating mechanism are difficult to directly realize mechanical latching with circuit breaker.
The utility model content
Technical problem to be solved in the utility model is, a kind of electric blocking device is provided, to solve in the inlet wire metering cabinet between the isolation knife and service entrance switch board breaker handcart, because the position concerns the difficult problem that can't realize mechanical latching.
The utility model for the technical scheme that the technical solution problem adopts is:
A kind of electric blocking device, comprise the isolation knife operating mechanism that is arranged in the inlet wire metering cabinet, be arranged on the circuit breaker in the service entrance switch cabinet, it is characterized in that, described isolation knife operating mechanism is provided with disconnecting link electromagnetic lock and travel switch, described circuit breaker is provided with the locking solenoid of control chassis car seesaw, on the car of chassis auxiliary switch is set, described travel switch, locking solenoid insert in the secondary circuit of service entrance switch cabinet, and described auxiliary switch, disconnecting link electromagnetic lock insert in the secondary circuit of inlet wire metering cabinet.
Also be provided with a shaft coupling on the described isolation knife operating mechanism, a side of described shaft coupling is provided with one and is used for control operation mechanism and closes, divide the described disconnecting link electromagnetic lock of action up and down, and the opposite side of described shaft coupling is provided with described travel switch.
Also be provided with a cam on the described shaft coupling, described cam links to each other with described travel switch.
Described circuit breaker also comprises a chassis car, and a locking solenoid is installed on the car of described chassis, and described locking solenoid connects a screw mandrel, and described screw mandrel links to each other with described auxiliary switch.
Also install one on the car of described chassis and be used for controlling the seesaw that the chassis car seesaws from the test position to the service position, described seesaw links to each other with described locking solenoid.
The secondary circuit of described inlet wire metering cabinet comprises the first power source bus terminal, first power control switch, and described first power control switch connects described auxiliary switch, and described auxiliary switch connects described disconnecting link electromagnetic lock.
Described service entrance switch cabinet secondary circuit comprises second source bus terminal, second source control switch, and described second source control switch connects described travel switch, and described travel switch connects a rectifying block, and described rectifying block connects described locking solenoid.
Know-why of the present utility model is:
Utilize the auxiliary switch on the service entrance switch cabinet breaker chassis, and realize the forward locking between the disconnecting link electromagnetic lock on the inlet wire metering cabinet isolation knife operating mechanism.
Utilization is contained in the inlet wire metering cabinet and isolates the reverse locking of realization between travel switch and the locking solenoid on the service entrance switch cabinet breaker on the cutter shaft.
Beneficial effect: a kind of electric blocking device of the utility model, simple in structure, easy for installation, operation is simple and reliable, non-maintaining.It has solved in the cupboard of two adjacent case or two different locations between two kinds of different components and parts can't be with the problem of mechanical latching, the on-load of having avoided operating personnel to take place because of operate miss closes the accident of branch isolation knife, has guaranteed the safe and reliable to operation of electrical network.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the front view of isolation knife in the utility model;
Fig. 2 is the front view of circuit breaker in the utility model;
Fig. 3 is the vertical view of circuit breaker in the utility model;
Fig. 4 is a primary system schematic diagram in the utility model;
Fig. 5 is an inlet wire metering cabinet secondary schematic diagram in the utility model;
Fig. 6 is a service entrance switch cabinet secondary schematic diagram in the utility model.
Below the parts of each label indication are made brief description:
The 1-operating mechanism; 2-disconnecting link electromagnetic lock; The 3-mounting panel; The 4-isolation knife; The 5-travel switch; 6-travel switch mounting panel; The 7-cam; The 8-circuit breaker; 9-chassis car; The 10-auxiliary switch; The 11-coil; The 12-seesaw; The 13-pull bar; The 14-screw mandrel; The 15-current transformer; The 16-voltage transformer; The 17-fuse; The 18-isolation knife; The 19-circuit breaker; 20-first power source bus; 21-first power control switch 21; 22-second source bus; 23-second source control switch; The 24-rectifying block; The A-service position; The B-test position.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1 is the front view of isolation knife in the utility model, comprise among the figure: isolation knife 4, operating mechanism 1, disconnecting link electromagnetic lock 2, mounting panel 3, travel switch mounting panel 6, travel switch 5, cam 7, above-mentioned these elements all are placed in the inlet wire metering cabinet, the inlet wire metering cabinet is to be the previous stage of 10kV service entrance switch cabinet as the high side voltage grade, plays the effect that on high-tension side electricity consumption metering is gathered.Disconnecting link electromagnetic lock 2 is installed on the operating mechanism 1 of isolation knife 4, and what the dead bolt of disconnecting link electromagnetic lock 2 was used for control operation mechanism 1 closes, divides action up and down; Disconnecting link electromagnetic lock 2 connects a mounting panel 3; On the axle of isolation knife 4 cam 7 and one stroke switch mounting panel 6 are installed, one stroke switch 5 is installed on the travel switch mounting panel 6, travel switch 5 is driven by cam 7.
Referring to Fig. 2 and Fig. 3; comprise among the figure: circuit breaker 8, chassis car 9, auxiliary switch 10, locking solenoid 11, seesaw 12, pull bar 13, screw mandrel 14; above-mentioned these elements are to be placed in the service entrance switch cabinet; the service entrance switch cabinet is to be the back one-level of 10kV inlet wire metering cabinet as the high side voltage grade, and following load system is monitored, measures and protects.Locking solenoid 11 is installed on service entrance switch cabinet breaker 8, and locking solenoid 11 is used for controlling the seesaw 12 on the chassis car 9 of circuit breaker 8, thereby control chassis car 9 is from test position B seesawing to service position A; Auxiliary switch 10 is installed on the chassis car 9, and the rotation of screw mandrel 14 drives the switching contact of pull bar 13 control auxiliary switches 10.
Referring to Fig. 4 is primary system schematic diagram in the utility model, and among the figure, the inlet wire metering cabinet is represented on the left side of dotted line, and the service entrance switch cabinet is represented on the right of dotted line.So-called primary system is meant that operating voltage is the element of high voltage (being 10kV) when work.Comprise among the figure: current transformer 15, voltage transformer 16, fuse 17, isolation knife 18, circuit breaker 19.
Referring to Fig. 5 and Fig. 6 is secondary locking electrical schematic diagram in the utility model, and so-called secondary block sytem is meant that operating voltage is the element (being 220V) of low-voltage.Comprise among Fig. 5: first power source bus 20, first power control switch 21, auxiliary switch 10, disconnecting link electromagnetic lock 2, wherein indication circuit part in the frame of broken lines is introduced by service entrance switch cabinet breaker test position contact; Comprise among Fig. 6: second source bus 22, second source control switch 23, rectifying block 24, locking solenoid 11, travel switch 5, wherein indication circuit part in the frame of broken lines is introduced by inlet wire metering cabinet isolation knife travel switch contact.
During maintenance: service entrance switch cabinet breaker 8 separating brakes, and circuit breaker 8 handcarts are shaken to test position B (promptly once charged fixed contact and moving contact of breaker disconnected position), pull bar 13 drives auxiliary switch 10 then, auxiliary switch 10 becomes normally closed contact by normal opened contact, connect the loop of inlet wire metering cabinet disconnecting link electromagnetic lock 2, at this moment, open disconnecting link electromagnetic lock 2, the operating mechanism of isolation knife 41 becomes separating brake by combined floodgate.
During operation: open disconnecting link electromagnetic lock 2, the operating mechanism 1 of isolation knife 4 becomes combined floodgate by separating brake, at this moment, the cam 7 on 4 of the isolation knife drives travel switch 5 and becomes closure by disconnection, connects the loop of the locking solenoid 11 on the circuit breaker 8 then, locking solenoid 11 electric after, with the iron core pinch in, seesaw 12 can move upward, and screw mandrel 14 can rotate, circuit breaker 8 chassis cars 9 can be shaken to service position A by test position B, prepare to close a floodgate and send high-pressure side 10kV electricity consumption.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1, a kind of electric blocking device, comprise the isolation knife operating mechanism that is arranged in the inlet wire metering cabinet, be arranged on the circuit breaker in the service entrance switch cabinet, it is characterized in that, described isolation knife operating mechanism is provided with disconnecting link electromagnetic lock and travel switch, described circuit breaker is provided with the locking solenoid of control chassis car seesaw, on the car of chassis auxiliary switch is set, described travel switch, locking solenoid insert in the service entrance switch cabinet secondary circuit, and described auxiliary switch, disconnecting link electromagnetic lock insert in the inlet wire metering cabinet secondary circuit.
2, a kind of electric blocking device according to claim 1, it is characterized in that, also be provided with a shaft coupling on the described isolation knife operating mechanism, one side of described shaft coupling is provided with one and is used for control operation mechanism and closes, divide the described disconnecting link electromagnetic lock of action up and down, and the opposite side of described shaft coupling is provided with described travel switch.
3, a kind of electric blocking device according to claim 2 is characterized in that, also is provided with a cam on the described shaft coupling, and described cam links to each other with described travel switch.
4, a kind of electric blocking device according to claim 1, it is characterized in that described circuit breaker also comprises a chassis car, a locking solenoid is installed on the car of described chassis, described locking solenoid connects a screw mandrel, and described screw mandrel links to each other with described auxiliary switch.
5, a kind of electric blocking device according to claim 1 is characterized in that, also installs one on the car of described chassis and be used for controlling the seesaw that the chassis car seesaws from the test position to the service position, and described seesaw links to each other with described locking solenoid.
6, a kind of electric blocking device according to claim 1, it is characterized in that, the secondary circuit of described inlet wire metering cabinet comprises the first power source bus terminal, first power control switch, described first power control switch connects described auxiliary switch, and described auxiliary switch connects described disconnecting link electromagnetic lock.
7, a kind of electric blocking device according to claim 1, it is characterized in that, described service entrance switch cabinet secondary circuit comprises second source bus terminal, second source control switch, described second source control switch connects described travel switch, described travel switch connects a rectifying block, and described rectifying block connects described locking solenoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201560157U CN201355594Y (en) | 2008-11-27 | 2008-11-27 | Electric locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201560157U CN201355594Y (en) | 2008-11-27 | 2008-11-27 | Electric locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201355594Y true CN201355594Y (en) | 2009-12-02 |
Family
ID=41411937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201560157U Expired - Lifetime CN201355594Y (en) | 2008-11-27 | 2008-11-27 | Electric locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201355594Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024587A (en) * | 2010-12-13 | 2011-04-20 | 山东电力集团公司泰安供电公司 | Hard locking device for high-voltage metering cabinet |
| CN105471081A (en) * | 2015-10-30 | 2016-04-06 | 江苏银佳企业集团有限公司 | Double-power-supply anti-error interlocking device of 10 KV high-voltage intermediate switch cabinets |
| CN107834416A (en) * | 2017-10-09 | 2018-03-23 | 中山市明阳电器有限公司 | A kind of switch gear room's chassis vehicle device of electrically multiple locking |
| CN114023590A (en) * | 2021-10-28 | 2022-02-08 | 新风光电子科技股份有限公司 | Locking device for isolating switch |
-
2008
- 2008-11-27 CN CNU2008201560157U patent/CN201355594Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024587A (en) * | 2010-12-13 | 2011-04-20 | 山东电力集团公司泰安供电公司 | Hard locking device for high-voltage metering cabinet |
| CN102024587B (en) * | 2010-12-13 | 2013-03-27 | 山东电力集团公司泰安供电公司 | Hard locking device for high-voltage metering cabinet |
| CN105471081A (en) * | 2015-10-30 | 2016-04-06 | 江苏银佳企业集团有限公司 | Double-power-supply anti-error interlocking device of 10 KV high-voltage intermediate switch cabinets |
| CN107834416A (en) * | 2017-10-09 | 2018-03-23 | 中山市明阳电器有限公司 | A kind of switch gear room's chassis vehicle device of electrically multiple locking |
| CN107834416B (en) * | 2017-10-09 | 2023-08-15 | 广东明阳电气股份有限公司 | Switch room chassis car device of electric multiple locking |
| CN114023590A (en) * | 2021-10-28 | 2022-02-08 | 新风光电子科技股份有限公司 | Locking device for isolating switch |
| CN114023590B (en) * | 2021-10-28 | 2023-07-07 | 新风光电子科技股份有限公司 | Isolating switch locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |