CN105552768A - Electricity-verification and grounding operation method for multifunctional electricity-verification and grounding trolley for centrally installed switchgear - Google Patents
Electricity-verification and grounding operation method for multifunctional electricity-verification and grounding trolley for centrally installed switchgear Download PDFInfo
- Publication number
- CN105552768A CN105552768A CN201610095688.5A CN201610095688A CN105552768A CN 105552768 A CN105552768 A CN 105552768A CN 201610095688 A CN201610095688 A CN 201610095688A CN 105552768 A CN105552768 A CN 105552768A
- Authority
- CN
- China
- Prior art keywords
- contactor
- switch
- travel switch
- motor
- auxiliary contact
- 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
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- 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
- H02B11/28—Earthing arrangements
-
- 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
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Keying Circuit Devices (AREA)
- Push-Button Switches (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an electricity-verification and grounding operation method for a multifunctional electricity-verification and grounding trolley for centrally installed switchgear. When the trolley is positioned in an operating position, a travel switch S9 is switched on; when the trolley is positioned in a test position, a travel switch S8 is switched on; a primary circuit is fed back to an electrified display according to a high voltage sensor; the primary circuit is not electrified; an auxiliary contact HN is closed; an earthing switch is in a switch-off state; a travel switch S1 is switched on; a switching knob of a button SB1 is pressed; a contactor KM1 coil is powered on; a contactor main contact is switched on; a motor M1 is powered on; the earthing switch begins to be switched on; at the moment, the SB1 is released; the contactor is self-held through an auxiliary contact of the KM1; when the earthing switch is fully switched on, the travel switch S1 is disconnected; the contactor KM1 is in a power-losing state; the main contact is disconnected; the motor M1 stops operating, and the electricity-verification and grounding operation is finished. The electricity-verification and grounding operation method is convenient and safe to operate.
Description
The application is application number: the divisional application of 201410341290.6, the applying date: 2014.07.18, title " method of operation of middle-placed switch cabinet multifunctional electricity-detection, grounding trolley ".
Technical field
The present invention relates to the method for operation of a kind of middle-placed switch cabinet multifunctional electricity-detection, grounding trolley.
Background technology
In recent years, metal enclosed air insulation switch cubicle achieves extensive use in the transformer station of electric power system 550kV, 220kV and following electric pressure and other industrial cousumer transformer station, due to technological progress with ensureing that under user's condition easy to use, safe, the switchgear of handcart-type also just arises at the historic moment.Wherein, in order to overhaul convenient and safety, earth handcart is absolutely necessary one of handcart equipment.Its objective is and ensure to prevent misdelivery electricity or switchgear misoperation between turn(a)round and bring electric shock accidents.Extensively general earth handcart is by simple three contact arms and a ground strap at present, and jointly forms for the plum blossom fingertip be connected with grounding static contact in cabinet.
The shortcoming of existing product only has when in the certain uncharged situation of inlet wire bus, handcart push be only safe and reliable, do not have, to whether bus is charged, there is measuring ability, if push handcart in charged situation, handcart does not have machinery or electronic interlock to continue to push to restrict it, namely once handcart pushes, instant earthing short circuit accident will be there is.In charged situation, push earth handcart will produce very large short-circuit electromotive force.In this case, very large electronic thrust may be scolded out handcart, and at this moment electrodynamic repulsion force may force earth handcart return and weigh wounded or wound maintainer.And, in the moment that earth handcart is scolded out by electric power, the Mume flower contact on handcart and the breakdown and arcing of the spatial joint clearance between high pressure fixed contact.Very likely cause electric arc burn staff or starting arc fire incident.
Visible, in charged situation, push earth handcart and cause loss of life or personal injury and property loss to be inevitable security incident.
Summary of the invention
The object of the present invention is to provide and a kind ofly effectively can ensure the middle-placed switch cabinet multifunctional electricity-detection of handcart handling safety, the control circuit of grounding trolley.
Technical solution of the present invention is:
A method of operation for middle-placed switch cabinet multifunctional electricity-detection, grounding trolley, is characterized in that: handcart electronic enter cabinet, offeing for sale is controlled by turnover cabinet control circuit, the electrical verification ground connection of handcart, the electronic separating brake of earthed switch have electrical verification earthed circuit to control, described turnover cabinet control circuit comprises the motor M 2 driving moving of car, the supply line of motor M 2 is arranged control motor M 2 to work, contactor KM3 in parallel, the main contact of contactor KM4, supply line is connected to switch S 1, switch S 1 is connected with a Parallel Control circuit, the parallel-connection structure of the route routing button SB3 in this Parallel Control circuit and auxiliary contact of contactor KM3 and a contact of contactor KM4, contactor KM3, switch S 9 is composed in series, the parallel-connection structure of another route routing button SB4 in this Parallel Control circuit and auxiliary contact of contactor KM4 and a contact of contactor KM3, contactor KM4, switch S 8 is composed in series, described electrical verification earthed circuit comprises motor M 1, the supply line of motor M 1 is arranged control motor M 2 to work, contactor KM1 in parallel, the main contact of contactor KM2, supply line is connected to auxiliary contact HN, one end of auxiliary contact HN is connected to the shunting means of switch S 8 and switch S 9, the other end of auxiliary contact HN is connected with a Parallel Control circuit, the parallel-connection structure of the route routing button SB1 in this Parallel Control circuit and auxiliary contact of contactor KM1 and a contact of contactor KM2, contactor KM1, switch S 1 is composed in series, the parallel-connection structure of another route routing button SB2 in this Parallel Control circuit and auxiliary contact of contactor KM2 and a contact of contactor KM1, contactor KM2, switch S 2 is composed in series,
Handcart electronic enter cabinet:
Earthed switch is in open position, and switch S 1 is connected, and handcart is in test position, switch S 9 is connected, and presses the button SB3 and enters cabinet button, and contactor KM3 coil obtains electric, main noddle on contactor is connected, motor M 2 electric, handcart start to shake in cabinet into, now release button SB3, contactor is by the self-sustaining of KM3 auxiliary contact, and during handcart arrival service position, switch S 9 disconnects, contactor KM3 coil losing electricity, main contact disconnects, and motor M 2 quits work, and enters cabinet operation and terminates;
Handcart is electronic to offer for sale:
Earthed switch is in open position, and switch S 1 is connected, and handcart is in service position, switch S 8 is connected, and press the button SB4 and to offer for sale button, contactor KM4 coil obtains electric, main noddle on contactor is connected, and commutate with motor power when entering cabinet, motor M 2 must be electric, handcart starts to shake out outside cabinet, now unclamps SB4, and contactor is by the self-sustaining of KM4 auxiliary contact, during handcart arrival test position, switch S 8 disconnects, contactor KM4 coil losing electricity, and main contact disconnects, motor M 2 quits work, and operation of offeing for sale terminates.
Electrical verification ground connection operates:
When handcart is in service position, switch S 9 is connected, when handcart is in test position, switch S 8 is connected, primary circuit feeds back to electrification display according to high pressure sensor, primary circuit is not charged, auxiliary contact HN closes, earthed switch is in gate-dividing state, switch S 1 is connected, press the button SB1 switch knob, contactor KM1 coil obtains electric, main noddle on contactor is connected, motor M 1 obtains electric, earthed switch starts to close a floodgate, now unclamp SB1, contactor is by the self-sustaining of KM1 auxiliary contact, when earthed switch combined floodgate puts in place, switch S 1 disconnects, contactor KM1 coil losing electricity, main contact disconnects, motor M 1 quits work, the operation of electrical verification ground connection terminates,
The electronic separating brake of earthed switch:
Handcart is in service position S9 and connects, when handcart is in test position, switch S 8 is connected, primary circuit is not charged, auxiliary contact HN contacting, earthed switch is in "on" position, switch S 2 is connected, press the button SB2 switch knob, contactor KM2 coil obtains electric, main noddle on contactor is connected, motor M 1 obtains electric, earthed switch starts to close a floodgate, now release button SB2, contactor is by the self-sustaining of KM2 auxiliary contact, when grounding switch tripping puts in place, switch S 2 disconnects, contactor KM2 coil losing electricity, main contact disconnects, motor M 1 quits work, grounding switch tripping operation terminates.
The present invention is easy to operate, safety.Earth handcart works reliably, not only can bring fail safe to maintainer, also effectively can reduce the probability of power failure outside the plan, for user provides higher power supply reliability, to the economic interests that client brings indirectly, thus improve social public credibility and degree of recognition for power system operation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is turnover cabinet control circuit figure of the present invention.
Fig. 2 is electrical verification earthed circuit figure of the present invention.
Embodiment
A method of operation for middle-placed switch cabinet multifunctional electricity-detection, grounding trolley, handcart electronic enter cabinet, offeing for sale is controlled by turnover cabinet control circuit, the electrical verification ground connection of handcart, the electronic separating brake of earthed switch are controlled by electrical verification earthed circuit, described turnover cabinet control circuit comprises the motor M 2 driving moving of car, the supply line of motor M 2 is arranged control motor M 2 to work, contactor KM3 in parallel, the main contact of contactor KM4, supply line is connected to travel switch S1, travel switch S1 is connected with a Parallel Control circuit, the parallel-connection structure of the route routing button SB3 in this Parallel Control circuit and auxiliary contact of contactor KM3 and a contact of contactor KM4, contactor KM3, travel switch S9 is composed in series, the parallel-connection structure of another route routing button SB4 in this Parallel Control circuit and auxiliary contact of contactor KM4 and a contact of contactor KM3, contactor KM4, travel switch S8 is composed in series, described electrical verification earthed circuit comprises motor M 1, the supply line of motor M 1 is arranged control motor M 2 to work, contactor KM1 in parallel, the main contact of contactor KM2, supply line is connected to auxiliary contact HN, one end of auxiliary contact HN is connected to the shunting means of travel switch S8 and travel switch S9, the other end of auxiliary contact HN is connected with a Parallel Control circuit, the parallel-connection structure of the route routing button SB1 in this Parallel Control circuit and auxiliary contact of contactor KM1 and a contact of contactor KM2, contactor KM1, travel switch S1 is composed in series, the parallel-connection structure of another route routing button SB2 in this Parallel Control circuit and auxiliary contact of contactor KM2 and a contact of contactor KM1, contactor KM2, travel switch S2 is composed in series,
Handcart electronic enter cabinet:
Earthed switch is in open position, and travel switch S1 connects, and handcart is in test position, travel switch S9 connects, and presses the button SB3 and enters cabinet button, and contactor KM3 coil obtains electric, main noddle on contactor is connected, motor M 2 electric, handcart start to shake in cabinet into, now release button SB3, contactor is by the self-sustaining of KM3 auxiliary contact, and during handcart arrival service position, travel switch S9 disconnects, contactor KM3 coil losing electricity, main contact disconnects, and motor M 2 quits work, and enters cabinet operation and terminates;
Handcart is electronic to offer for sale:
Earthed switch is in open position, travel switch S1 connects, handcart is in service position, travel switch S8 connects, press the button SB4 to offer for sale button, contactor KM4 coil obtains electric, and main noddle on contactor is connected, commutate with motor power when entering cabinet, motor M 2 obtains electric, and handcart starts to shake out outside cabinet, now unclamps SB4, contactor is by the self-sustaining of KM4 auxiliary contact, during handcart arrival test position, travel switch S8 disconnects, contactor KM4 coil losing electricity, and main contact disconnects, motor M 2 quits work, and operation of offeing for sale terminates.
Electrical verification ground connection operates:
When handcart is in service position, travel switch S9 connects, when handcart is in test position, travel switch S8 connects, primary circuit feeds back to electrification display according to high pressure sensor, primary circuit is not charged, auxiliary contact HN closes, earthed switch is in gate-dividing state, travel switch S1 connects, press the button SB1 switch knob, contactor KM1 coil obtains electric, main noddle on contactor is connected, motor M 1 obtains electric, earthed switch starts to close a floodgate, now unclamp SB1, contactor is by the self-sustaining of KM1 auxiliary contact, when earthed switch combined floodgate puts in place, travel switch S1 disconnects, contactor KM1 coil losing electricity, main contact disconnects, motor M 1 quits work, the operation of electrical verification ground connection terminates,
The electronic separating brake of earthed switch:
Handcart is in service position travel switch S9 and connects, when handcart is in test position, travel switch S8 connects, primary circuit is not charged, auxiliary contact HN contacting, earthed switch is in "on" position, travel switch S2 connects, press the button SB2 switch knob, contactor KM2 coil obtains electric, main noddle on contactor is connected, motor M 1 obtains electric, earthed switch starts to close a floodgate, now release button SB2, contactor is by the self-sustaining of KM2 auxiliary contact, when grounding switch tripping puts in place, travel switch S2 disconnects, contactor KM2 coil losing electricity, main contact disconnects, motor M 1 quits work, grounding switch tripping operation terminates.
Claims (1)
1. an electrical verification ground connection method of operation for middle-placed switch cabinet multifunctional electricity-detection, grounding trolley, is characterized in that: controlled by the electrical verification earthed circuit of control handcart electrical verification ground connection, the electronic separating brake of earthed switch, described electrical verification earthed circuit comprises motor M 1, the supply line of motor M 1 is arranged the contactor KM1 controlling the parallel connection that motor M 1 works, the main contact of contactor KM2, supply line is connected to auxiliary contact HN, one end of auxiliary contact HN is connected to travel switch S8 and travel switch S9 shunting means, the other end of auxiliary contact HN is connected with a Parallel Control circuit, the parallel-connection structure of the route routing button SB1 in this Parallel Control circuit and auxiliary contact of contactor KM1 and a contact of contactor KM2, contactor KM1, travel switch S1 is composed in series, the parallel-connection structure of another route routing button SB2 in this Parallel Control circuit and auxiliary contact of contactor KM2 and a contact of contactor KM1, contactor KM2, travel switch S2 is composed in series,
Electrical verification ground connection operates:
The connection of travel switch S9 when handcart is in service position, the connection of travel switch S8 when handcart is in test position, primary circuit feeds back to electrification display according to high pressure sensor, primary circuit is not charged, and auxiliary contact HN closes, and earthed switch is in gate-dividing state, the connection of travel switch S1, press the button SB1 switch knob, contactor KM1 coil obtains electric, and main noddle on contactor is connected, motor M 1 obtains electric, earthed switch starts to close a floodgate, and now unclamps SB1, and contactor is by the self-sustaining of KM1 auxiliary contact
.when earthed switch combined floodgate puts in place, travel switch S1 disconnects, contactor KM1 coil losing electricity, and main contact disconnects, and motor M 1 quits work
.the operation of electrical verification ground connection terminates.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341290.6A CN104112998B (en) | 2014-07-18 | 2014-07-18 | The method of operation of middle-placed switch cabinet multifunctional electricity-detection, grounding trolley |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410341290.6A Division CN104112998B (en) | 2014-07-18 | 2014-07-18 | The method of operation of middle-placed switch cabinet multifunctional electricity-detection, grounding trolley |
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| Publication Number | Publication Date |
|---|---|
| CN105552768A true CN105552768A (en) | 2016-05-04 |
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Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610095688.5A Pending CN105552768A (en) | 2014-07-18 | 2014-07-18 | Electricity-verification and grounding operation method for multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
| CN201410341290.6A Active CN104112998B (en) | 2014-07-18 | 2014-07-18 | The method of operation of middle-placed switch cabinet multifunctional electricity-detection, grounding trolley |
| CN201610095683.2A Pending CN105576543A (en) | 2014-07-18 | 2014-07-18 | Electric cabinet-out and earthing switch electric opening control method of electrical-inspection earthing trolley |
| CN201610095692.1A Pending CN105552760A (en) | 2014-07-18 | 2014-07-18 | Cabinet-in/out control circuit for multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
| CN201610095687.0A Pending CN105552763A (en) | 2014-07-18 | 2014-07-18 | Electric switch-off method for earthing switch of multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
| CN201610095684.7A Pending CN105552762A (en) | 2014-07-18 | 2014-07-18 | Cabinet-incoming, electricity-verification and grounding control method for electricity-verification and grounding trolley |
| CN201610095690.2A Pending CN105552765A (en) | 2014-07-18 | 2014-07-18 | Electric cabinet-incoming method for multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
| CN201610095685.1A Pending CN105576544A (en) | 2014-07-18 | 2014-07-18 | Electrical-inspection earthing and earthing switch electric opening control method of electrical-inspection earthing trolley |
| CN201610095693.6A Pending CN105552769A (en) | 2014-07-18 | 2014-07-18 | Control circuit for multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
Family Applications After (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410341290.6A Active CN104112998B (en) | 2014-07-18 | 2014-07-18 | The method of operation of middle-placed switch cabinet multifunctional electricity-detection, grounding trolley |
| CN201610095683.2A Pending CN105576543A (en) | 2014-07-18 | 2014-07-18 | Electric cabinet-out and earthing switch electric opening control method of electrical-inspection earthing trolley |
| CN201610095692.1A Pending CN105552760A (en) | 2014-07-18 | 2014-07-18 | Cabinet-in/out control circuit for multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
| CN201610095687.0A Pending CN105552763A (en) | 2014-07-18 | 2014-07-18 | Electric switch-off method for earthing switch of multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
| CN201610095684.7A Pending CN105552762A (en) | 2014-07-18 | 2014-07-18 | Cabinet-incoming, electricity-verification and grounding control method for electricity-verification and grounding trolley |
| CN201610095690.2A Pending CN105552765A (en) | 2014-07-18 | 2014-07-18 | Electric cabinet-incoming method for multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
| CN201610095685.1A Pending CN105576544A (en) | 2014-07-18 | 2014-07-18 | Electrical-inspection earthing and earthing switch electric opening control method of electrical-inspection earthing trolley |
| CN201610095693.6A Pending CN105552769A (en) | 2014-07-18 | 2014-07-18 | Control circuit for multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
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| CN (9) | CN105552768A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749359B (en) * | 2017-10-09 | 2020-05-26 | 中山市明阳电器有限公司 | Switch room chassis car device of electromechanical multiple locking |
| CN112928680B (en) * | 2019-11-07 | 2023-05-23 | 国网安徽省电力有限公司铜陵供电公司 | Handcart control system based on servo system |
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2014
- 2014-07-18 CN CN201610095688.5A patent/CN105552768A/en active Pending
- 2014-07-18 CN CN201410341290.6A patent/CN104112998B/en active Active
- 2014-07-18 CN CN201610095683.2A patent/CN105576543A/en active Pending
- 2014-07-18 CN CN201610095692.1A patent/CN105552760A/en active Pending
- 2014-07-18 CN CN201610095687.0A patent/CN105552763A/en active Pending
- 2014-07-18 CN CN201610095684.7A patent/CN105552762A/en active Pending
- 2014-07-18 CN CN201610095690.2A patent/CN105552765A/en active Pending
- 2014-07-18 CN CN201610095685.1A patent/CN105576544A/en active Pending
- 2014-07-18 CN CN201610095693.6A patent/CN105552769A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB732216A (en) * | 1952-11-24 | 1955-06-22 | Cyril Leslie Norfolk | Improvements in apparatus for checking the performance of patrols or tours of inspection by watchmen and the like |
| CN201601070U (en) * | 2010-02-02 | 2010-10-06 | 沈阳诚联宏电器制造有限公司 | Electric operation mechanism for high voltage isolating switch |
| CN201886949U (en) * | 2010-11-02 | 2011-06-29 | 厦门电力成套设备有限公司 | Strong-current locking device for earth switch of high-voltage switch cabinet |
| CN202050165U (en) * | 2011-05-26 | 2011-11-23 | 西安爱尔发开关有限公司 | Control circuit for vacuum contactor or vacuum contactor and fuse combined appliance |
| CN202678137U (en) * | 2012-06-17 | 2013-01-16 | 现代重工(中国)电气有限公司 | Grounding switch electrically operated mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105552765A (en) | 2016-05-04 |
| CN104112998A (en) | 2014-10-22 |
| CN105552769A (en) | 2016-05-04 |
| CN105552763A (en) | 2016-05-04 |
| CN105552762A (en) | 2016-05-04 |
| CN105576543A (en) | 2016-05-11 |
| CN104112998B (en) | 2016-04-06 |
| CN105552760A (en) | 2016-05-04 |
| CN105576544A (en) | 2016-05-11 |
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Application publication date: 20160504 |