CN107293981A - A kind of key power transmission and the handcart switch cabinet of key maintenance - Google Patents
A kind of key power transmission and the handcart switch cabinet of key maintenance Download PDFInfo
- Publication number
- CN107293981A CN107293981A CN201710522408.9A CN201710522408A CN107293981A CN 107293981 A CN107293981 A CN 107293981A CN 201710522408 A CN201710522408 A CN 201710522408A CN 107293981 A CN107293981 A CN 107293981A
- Authority
- CN
- China
- Prior art keywords
- key
- breaker
- power transmission
- handcart
- maintenance
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to the handcart switch cabinet that a kind of key power transmission and a key are overhauled, breaker and electronic earthing knife-switch using PLC mating band electric handcarts are used as core parts, the key power transmission function of switch cubicle one and a key maintenance function are realized, handcart switch cabinet intellectuality and foolproof operation is realized.When carrying out key power transmission operation, when pressing button, switch cubicle directly goes to power transmission state from inspecting state；One key is overhauled similarly.One key operation reduces middle Manual operation link, power transmission is overhauled simpler more sequencing, it is to avoid the possibility of maloperation.The implementation of the present invention so that switch cubicle power transmission and maintenance are only needed by a key operation, are operated step by step without manual operation and by program, has both avoided maloperation while improving power transmission and the efficiency of maintenance；It can be also used for coordinating with distal end automation equipment, realize easily automation function.
Description
Technical field
The present invention relates to handcart switch cabinet, the wheelbarrow switch overhauled more specifically to a kind of key power transmission and a key
Cabinet.
Background technology
3~40.5KV ac metal closing switch gears (hereinafter referred to as handcart switch cabinet) experienced in the production of China to be drawn
Enter, digest, absorbing and the process such as technological innovation, technology has obtained developing on a large scale very much, at present, handcart switch cabinet with its it is chain it is reliable,
Easy to operate, interchangeability is high and turns into the design and main product of classics.As electric power development and need for electricity are increasing, supply
The reliability and security more and more higher of electricity, the unattended and programming operations of power supply are very urgent.
The handcart switch cabinet power transmission of prior art or maintenance are required for manual operation circuit breaker cart and grounding switch, grasp
Need to perform step by step according to flow, efficiency is low sometimes because maloperation easily occurs in subjective reason, and can not be with long-range end
End equipment, which coordinates, realizes automation function, causes power transmission or repair time elongated.
The content of the invention
A key power transmission and key maintenance are realized it is an object of the invention to overcome the deficiencies of the prior art and provide one kind, is carried
One key power transmission of the unattended and programming operations of height power supply and the handcart switch cabinet of key maintenance.
Technical scheme is as follows：
A kind of key power transmission and the handcart switch cabinet of key maintenance, including control module, the breaker mould with electric handcart
Block, electrically knife module；
When the breaker of breaker module is in testing position gate-dividing state, and breaker completion energy storage, electronic earthing knife-switch
The grounding switch of module is in closing position, then control module is received after a key electric signals, and control module sends earthing
Lock separating brake order, control grounding switch carries out separating brake, then sends and shakes the electric handcart that breaker module is controlled into order from examination
Test position to shake into breaker closing order to operating position, is then sent, control breaker closing, complete a key power transmission；
When the breaker of breaker module is in operating position "on" position, and breaker completion energy storage, electronic earthing knife-switch
The grounding switch of module is in open position, then control module is received after key maintenance signal, and control module sends breaker
Separating brake order, controls breaker open operation, then sends and shake out order, and the electric handcart of control breaker module shakes from operating position
Go out to testing position, then send grounding switch combined floodgate order, control grounding switch is closed a floodgate, and completes key maintenance.
Preferably, the position of detection energy-stored spring, judges whether breaker completes energy storage；After energy storage is completed, control
Module receives breaker energy storage signal.
Preferably, the position of detection electric handcart, judges whether electric handcart is in operating position or testing position；One
During key power transmission, confirm that electric handcart is in behind operating position, control module sends breaker closing order again；When one key is overhauled,
Confirm that electric handcart is in behind maintenance position, control module sends grounding switch combined floodgate order again.
Preferably, the position of detection breaker, judges whether breaker is located at closing position or open position；One key is sent
When electric, confirm that electric handcart is in behind operating position, then confirm that breaker is located at closing position, then control module sends open circuit
Device, which closes a floodgate, orders；When one key is overhauled, confirm that breaker is located at after open position, control module sends shake out order again.
Preferably, the position of detection grounding switch, judges whether grounding switch is located at closing position or open position；One
During key power transmission, confirm that grounding switch is located at open position, control module sends shake into order again；When one key is overhauled, confirm electronic
Handcart is in behind maintenance position, then confirms that grounding switch is located at closing position, and then control module sends grounding switch combined floodgate life
Order.
Preferably, by travel switch detect the position of energy-stored spring, the position of electric handcart, the position of breaker,
The position of grounding switch, operating position or testing position, breaker are in positioned at conjunction when energy-stored spring completes energy storage, electric handcart
Gate position or open position, grounding switch are located at closing position or open position, corresponding travel switch closure or disconnection, control
Module obtains the location status of corresponding energy storage state, electric handcart, breaker, grounding switch respectively.
Preferably, abnormal when occurring in a key power transmission or a key maintenance process, control module sends abnormal signal, controls
Warning device is alarmed.
Preferably, control module is provided with a key power transmission button, key maintenance button, control module is realized based on PLC；
Press after next key power transmission button, PLC receives a key electric signals, press next key maintenance button, PLC receives key maintenance signal.
Beneficial effects of the present invention are as follows：
Key power transmission of the present invention and the handcart switch cabinet of key maintenance, use the disconnected of PLC mating band electric handcarts
Road device and electronic earthing knife-switch realize the key power transmission function of switch cubicle one and a key maintenance function, realize wheelbarrow switch as core parts
Cabinet intellectuality and foolproof operation.When carrying out key power transmission operation, when pressing button, switch cubicle directly goes to from inspecting state and sent
Electricity condition；One key is overhauled similarly.One key operation reduces middle Manual operation link, power transmission is overhauled simpler more program
Change, it is to avoid the possibility of maloperation.
The implementation of the present invention so that switch cubicle power transmission and maintenance are only needed by a key operation, without manual operation and are pressed
Program is operated step by step, has both avoided maloperation while improving power transmission and the efficiency of maintenance；It can be also used for automating with distal end
Equipment coordinates, and realizes easily automation function.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the present invention；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the flow chart of a key power transmission；
Fig. 4 is the flow chart of key maintenance；
Fig. 5 is PLC wiring schematic diagrams；
In figure：10 it is control module, 11 is breaker module, 12 is electrically knife module, and 21 be a key power transmission button, 22
It is key maintenance button.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Efficiency of the invention in order to solve prior art presence is low, there is the deficiency of maloperation risk, there is provided an a kind of key
Power transmission and the handcart switch cabinet of key maintenance, for realizing the key power transmission function of switch cubicle one and a key maintenance function, realize handcart
Intelligent switch cabinet and foolproof operation.
As shown in Figure 1 and Figure 2, a key power transmission and the handcart switch cabinet of key maintenance include control module 10, band electric handcart
Breaker module 11, electrically knife module 12；Control module 10 is provided with a key power transmission button 21, key maintenance button 22,
Control module 10 is realized based on PLC；Press after next key power transmission button 21, PLC receives a key electric signals, and control to complete a key
Power transmission；Next key maintenance button 22 is pressed, PLC receives key maintenance signal, and controls to complete key maintenance.
When breaker module 11 breaker be in testing position gate-dividing state, and breaker complete energy storage, electrically
The grounding switch of knife module 12 is in closing position, presses next key power transmission button 21, then control module 10 receives a key power transmission
After signal, control module 10 sends grounding switch separating brake order, and control grounding switch carries out separating brake；Then send and shake into order,
The electric handcart of breaker module 11 is controlled to be shaken from testing position into operating position；Then breaker closing order is sent, is controlled
Breaker closing processed, completes a key power transmission, as shown in Figure 3.
When breaker module 11 breaker be in operating position "on" position, and breaker complete energy storage, electrically
The grounding switch of knife module 12 is in open position, then control module 10 is received after key maintenance signal, and control module 10 is sent out
Go out breaker open operation order, control breaker open operation, then send and shake out order, control the electric handcart of breaker module 11 from
Shake out to testing position operating position；Then grounding switch combined floodgate order is sent, control grounding switch is closed a floodgate, and completes a key
Maintenance, as shown in Figure 4.
In order to ensure in a key power transmission and a key maintenance process, the position of all modules is all in accurate status, control
Module 10 carries out sending order and control again, reaches accurate operating result, and the present invention carries out the confirmation of following location state：
The position of energy-stored spring is detected, judges whether breaker completes energy storage；After energy storage is completed, control module 10 is received
Breaker energy storage signal.
The position of electric handcart is detected, judges whether electric handcart is in operating position or testing position；During one key power transmission,
Confirm that electric handcart is in behind operating position, control module 10 sends breaker closing order again；When one key is overhauled, confirm electronic
Handcart is in behind maintenance position, and control module 10 sends grounding switch combined floodgate order again.
The position of breaker is detected, judges whether breaker is located at closing position or open position；During one key power transmission, confirm
Electric handcart is in behind operating position, then confirms that breaker is located at closing position, and then control module 10 sends breaker closing
Order；When one key is overhauled, confirm that breaker is located at after open position, control module 10 is sent again shakes out order.
The position of grounding switch is detected, judges whether grounding switch is located at closing position or open position；During one key power transmission,
Confirm that grounding switch is located at open position, control module 10 is sent again shakes into order；When one key is overhauled, confirm that electric handcart is in
Overhaul behind position, then confirm that grounding switch is located at closing position, then control module 10 sends grounding switch combined floodgate order.
The present invention, which also recognizes, has put abnormal alarm function, abnormal when occurring in a key power transmission or a key maintenance process, controls mould
Block 10 sends abnormal signal, and control warning device is alarmed.
As shown in figure 5, by travel switch detect the position of energy-stored spring, the position of electric handcart, the position of breaker,
The position of grounding switch, operating position or testing position, breaker are in positioned at conjunction when energy-stored spring completes energy storage, electric handcart
Gate position or open position, grounding switch are located at closing position or open position, corresponding travel switch closure or disconnection, control
Module 10 obtains the location status of corresponding energy storage state, electric handcart, breaker, grounding switch respectively.
The principle overhauled according to a key power transmission and a key, receives after corresponding signal, logical operation is carried out in PLC,
As in a key power transmission, it is desirable to which breaker is in testing position gate-dividing state, and breaker completes energy storage, electrically knife module 12
Grounding switch be in closing position, and press after next key power transmission button 21, control module 10 just sends grounding switch separating brake
Order, i.e., carry out and computing in PLC, only when aforementioned four condition is satisfied by, can just carry out next step flow, it is ensured that one
Any mistake is occurred without during the entire process of key power transmission.Other steps of one key power transmission and the process of key maintenance are similarly.
Above-described embodiment is intended merely to the explanation present invention, and is not used as limitation of the invention.As long as according to this hair
Bright technical spirit, is changed, modification etc. will all fall in the range of the claim of the present invention to above-described embodiment.
Claims (8)
1. a kind of key power transmission and the handcart switch cabinet of key maintenance, it is characterised in that including control module, with electric handcart
Breaker module, electrically knife module；
When the breaker of breaker module is in testing position gate-dividing state, and breaker completes energy storage, electrically knife module
Grounding switch be in closing position, then control module is received after a key electric signals, and control module sends grounding switch point
Lock order, control grounding switch carries out separating brake, then sends and shakes the electric handcart that breaker module is controlled into order from experiment position
Put and shake into breaker closing order to operating position, is then sent, control breaker closing, complete a key power transmission；
When the breaker of breaker module is in operating position "on" position, and breaker completes energy storage, electrically knife module
Grounding switch be in open position, then control module receive a key maintenance signal after, control module sends breaker open operation
Order, control breaker open operation, then send and shake out order, control breaker module electric handcart from operating position shake out to
Testing position, then sends grounding switch combined floodgate order, and control grounding switch is closed a floodgate, and completes key maintenance.
2. key power transmission according to claim 1 and the handcart switch cabinet of key maintenance, it is characterised in that detection energy storage bullet
The position of spring, judges whether breaker completes energy storage；After energy storage is completed, control module receives breaker energy storage signal.
3. key power transmission according to claim 2 and the handcart switch cabinet of key maintenance, it is characterised in that detection electric hand
The position of car, judges whether electric handcart is in operating position or testing position；During one key power transmission, confirm that electric handcart is in work
Make behind position, control module sends breaker closing order again；When one key is overhauled, confirm that electric handcart is in behind maintenance position,
Control module sends grounding switch combined floodgate order again.
4. key power transmission according to claim 3 and the handcart switch cabinet of key maintenance, it is characterised in that detection breaker
Position, judge breaker whether be located at closing position or open position；During one key power transmission, confirm that electric handcart is in working position
Postpone, then confirm that breaker is located at closing position, then control module sends breaker closing order；When one key is overhauled, confirm
Breaker is located at after open position, and control module sends shake out order again.
5. key power transmission according to claim 4 and the handcart switch cabinet of key maintenance, it is characterised in that detection earthing
The position of lock, judges whether grounding switch is located at closing position or open position；During one key power transmission, confirm that grounding switch is located at and divide
Gate position, control module sends shake into order again；When one key is overhauled, confirm that electric handcart is in behind maintenance position, then confirm to connect
Ground disconnecting link is located at closing position, and then control module sends grounding switch combined floodgate order.
6. key power transmission according to claim 5 and the handcart switch cabinet of key maintenance, it is characterised in that opened by stroke
Position, the position of electric handcart, the position of breaker, the position of grounding switch of detection energy-stored spring are closed, when energy-stored spring is complete
Operating position is in into energy storage, electric handcart or testing position, breaker are located at closing position or open position, grounding switch position
In closing position or open position, corresponding travel switch closure or disconnect, control module obtain respectively corresponding energy storage state,
Electric handcart, breaker, the location status of grounding switch.
7. the handcart switch cabinet of the key power transmission and key maintenance according to any one of claim 2 to 6, it is characterised in that
Abnormal when occurring in a key power transmission or a key maintenance process, control module sends abnormal signal, and control warning device is alarmed.
8. key power transmission according to claim 1 and the handcart switch cabinet of key maintenance, it is characterised in that control module is set
A key power transmission button, key maintenance button are equipped with, control module is realized based on PLC；Press after next key power transmission button, PLC is received
One key electric signals, press next key maintenance button, and PLC receives key maintenance signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522408.9A CN107293981A (en) | 2017-06-30 | 2017-06-30 | A kind of key power transmission and the handcart switch cabinet of key maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522408.9A CN107293981A (en) | 2017-06-30 | 2017-06-30 | A kind of key power transmission and the handcart switch cabinet of key maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107293981A true CN107293981A (en) | 2017-10-24 |
Family
ID=60099318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710522408.9A Pending CN107293981A (en) | 2017-06-30 | 2017-06-30 | A kind of key power transmission and the handcart switch cabinet of key maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107293981A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270167A (en) * | 2018-04-13 | 2018-07-10 | 常熟开关制造有限公司(原常熟开关厂） | A kind of switchgear |
| CN110247395A (en) * | 2019-07-15 | 2019-09-17 | 广东电网有限责任公司 | For the strong power transmission method of intelligence, equipment and the storage medium of one-end substation decompression |
| CN110955189A (en) * | 2019-12-07 | 2020-04-03 | 国网辽宁省电力有限公司电力科学研究院 | Control system and method for electric operating mechanism for 10kV power distribution switch cabinet |
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| CN105932586A (en) * | 2016-06-09 | 2016-09-07 | 十堰德远科技开发有限公司 | High-voltage switch cabinet |
| CN205960794U (en) * | 2016-08-02 | 2017-02-15 | 辽宁华冶集团发展有限公司 | Exchange medium voltage switchgear handcart -type circuit breaker, earthing switch's electrically -operated apparatus |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104092291A (en) * | 2013-12-31 | 2014-10-08 | 厦门明翰电气股份有限公司 | Intelligent-distribution-network controller and control method thereof |
| CN203812825U (en) * | 2014-05-09 | 2014-09-03 | 国家电网公司 | Anti-burning device for circuit breaker switching-on coil |
| CN204243896U (en) * | 2014-06-27 | 2015-04-01 | 广东电网公司佛山供电局 | For the on off state monitoring device of power distribution network |
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| CN205960794U (en) * | 2016-08-02 | 2017-02-15 | 辽宁华冶集团发展有限公司 | Exchange medium voltage switchgear handcart -type circuit breaker, earthing switch's electrically -operated apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270167A (en) * | 2018-04-13 | 2018-07-10 | 常熟开关制造有限公司(原常熟开关厂） | A kind of switchgear |
| CN110247395A (en) * | 2019-07-15 | 2019-09-17 | 广东电网有限责任公司 | For the strong power transmission method of intelligence, equipment and the storage medium of one-end substation decompression |
| CN110955189A (en) * | 2019-12-07 | 2020-04-03 | 国网辽宁省电力有限公司电力科学研究院 | Control system and method for electric operating mechanism for 10kV power distribution switch cabinet |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |
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| RJ01 | Rejection of invention patent application after publication |