CN105811256B - Switch cabinet state monitoring device - Google Patents
Switch cabinet state monitoring device Download PDFInfo
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- CN105811256B CN105811256B CN201410847437.9A CN201410847437A CN105811256B CN 105811256 B CN105811256 B CN 105811256B CN 201410847437 A CN201410847437 A CN 201410847437A CN 105811256 B CN105811256 B CN 105811256B
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Abstract
Switch cabinet state monitoring device.Existing complete intelligent operation apparatus will access electric current and its internal secondary circuit of voltage is unreliable, easily cause CT second open circuits, PT second short circuits bring hidden danger to equipment and personal safety, then have needed after device damage electric current secondary progresss short circuit replacement is also highly difficult.The present invention forms：Operation instruction circuit（20）, combined floodgate tank circuit（21）, the operation instruction circuit（20）With combined floodgate tank circuit（21）Pass through closing bus bar（19）Electrical connection.The present invention is used for the monitoring of switch cabinet state.
Description
Technical field：
The present invention relates to a kind of switch cabinet state monitoring devices.
Background technology：
Electric system new power plant construction or electric substation's 6KV killer switches are mostly filled using switch intelligent operation at present
It sets to realize the divide-shut brake on the spot of switch, the position of the switch, divide-shut brake, grounding switch instruction, and can realize temperature, mould
Analog quantity shows, is integrated relatively high, but the more expensive high failure rate of equipment.
Some units still occupy much room in order to cost-effective in screen cabinet, high using large-scale comparison
The secondary circuit that expensive electromagnetic type relay is constituted realizes above functions, due to original paper be exposed to it is outer need it is regular
It is dusted work, and its circuit independence difference partial circuit will be dissolved into protective loop, gives the stable operation of equipment
Bring hidden danger, disk cabinet panel it is mixed and disorderly it is unintelligible also unsightly.
The complete intelligent operation apparatus that electric system 6KV circuit breaker switch cabinets use at present, integrated relatively high but presence
The problem of it is very much, many functions are simultaneously impracticable, and many troubles are brought to on-site maintenance, and spoilage also relatively high replacement cost
It is expensive.
Existing complete intelligent operation apparatus will access electric current and its internal secondary circuit of voltage is unreliable, it is easy to make
Hidden danger is brought to equipment and personal safety at CT second open circuits, PT second short circuits, then has and is needed electric current two after device damage
Secondary progress short circuit is replaced also highly difficult.
Power module quality inside existing complete intelligent operation apparatus is unreliable, because of the failure rate of power module damage
Relatively high, the lamps and lanterns of indicating section are all integrated on circuit board and can not be replaced because control loop is more complicated.
Invention content：
The object of the present invention is to provide a kind of switch cabinet state monitoring devices.
Above-mentioned purpose is realized by following technical scheme：
A kind of switch cabinet state monitoring device, composition include：Operation instruction circuit, combined floodgate tank circuit, the behaviour
Make instruction circuit to be electrically connected by closing bus bar with combined floodgate tank circuit.
The switch cabinet state monitoring device, the operation instruction circuit include handcart position instruction branch, open circuit
Device divide-shut brake indicates that branch, earthing divide-shut brake indicate that branch, the handcart position indicate branch and the breaker point
It closes a floodgate and indicates that branch and earthing divide-shut brake indicate branch circuit parallel connection in the operation instruction circuit.
The switch cabinet state monitoring device, the handcart position indicate that branch includes that handcart position shows
The stroke contact BT1 of lamp, handcart operating position and isolated location indicating relay WJ, handcart position, the hand
Vehicle operating position and isolated location indicating relay WJ connect with the stroke contact BT1 of the handcart position, the handcart
Position indicator connects with the handcart operating position and the stroke of isolated location indicating relay WJ and the handcart position
Point BT1 is connected in parallel in the handcart position instruction branch, when handcart is in operating position, the stroke of the handcart position
Excitation-free current passes through in contact BT1 disconnections, the handcart operating position and isolated location indicating relay WJ, normally closed contact
It is closed, the upper and lower of handcart position indicator light is lighted；When handcart is in isolated location, the stroke of the handcart position
Contact BT1 is closed, and the handcart operating position and isolated location indicating relay WJ have exciting current to pass through, and normal opened contact closes
It closes, described handcart position indicator light or so is lighted.
The switch cabinet state monitoring device, the circuit-breaker switching on-off indicate that branch includes that circuit-breaker switching on-off refers to
Show lamp, breaker open operation and closing position indicating relay H/TWJ, circuit-breaker switching on-off changeover contact BB3, the breaker
Separating brake and closing position indicating relay H/TWJ and the circuit-breaker switching on-off changeover contact BB3 series connection, the breaker
Divide-shut brake indicator light turns with the breaker open operation and closing position indicating relay H/TWJ and the circuit-breaker switching on-off
Changing-over point BB3 is connected in parallel in the circuit-breaker switching on-off instruction branch, when breaker is in closing position, the open circuit
Device divide-shut brake changeover contact BB3 is disconnected, and the breaker open operation and closing position indicating relay H/TWJ excitation-free currents are logical
It crosses, normally closed contact is closed, and the circuit-breaker switching on-off indicator light is lighted up and down；It is described when breaker is in gate-dividing state
Circuit-breaker switching on-off changeover contact BB3 be closed, the breaker open operation and closing position indicating relay H/TWJ have excitation
Electric current passes through, and normal opened contact is to be closed, and described handcart position indicator light or so is lighted.
The switch cabinet state monitoring device, the earthing divide-shut brake indicate that branch includes that earthing divide-shut brake refers to
Show lamp, earthing separating brake and combined floodgate indicating relay DWJ, earthing divide-shut brake changeover contact JD, the earthing separating brake and
Combined floodgate indicating relay DWJ and the earthing divide-shut brake changeover contact JD series connection, the earthing divide-shut brake indicator light
It is connected in parallel on the earthing separating brake and combined floodgate indicating relay DWJ and the earthing divide-shut brake changeover contact JD described
Earthing divide-shut brake instruction branch in, when earthing is in closing position, the earthing divide-shut brake changeover contact JD
It disconnects, the earthing separating brake and combined floodgate indicating relay DWJ excitation-free currents pass through, and normally closed contact is closed, and described connects
Earthing knife-switch divide-shut brake indicator light is lighted up and down；When earthing is in gate-dividing state, the earthing divide-shut brake changeover contact JD
It is closed, the earthing separating brake and combined floodgate indicating relay DWJ have exciting current to pass through, and normal opened contact is to be closed, described
Earthing divide-shut brake indicator light or so is lighted.
The switch cabinet state monitoring device, the combined floodgate tank circuit include energy storage signal lamp, the energy storage
Signal lamp is connected with energy storage contact BS2, and the energy storage contact BS2 connects with fuse, the energy storage signal lamp and described
Energy storage contact BS2 it is in parallel with manual closing energy-storing button, the manual closing energy-storing button is connected with energy storage motor, described
Energy storage motor connect with energy storage contact BS1, the energy storage contact BS1 connects with fuse, when breaker complete one follow
After the divide-shut brake of ring, the energy storage contact BS1 is connected, and the combined floodgate tank circuit is connected, and the energy storage motor is completed
Energy storage, the energy storage signal lamp are lighted.
The switch cabinet state monitoring device, when combined floodgate starts on the spot, the operation instruction circuit and the conjunction
Lock tank circuit is connected, and when separating brake starts on the spot, the operation instruction circuit is disconnected with the combined floodgate tank circuit.
Advantageous effect：
1. the present invention can realize breaker breaking-closing operating on the spot, and can realize breaker division, grounding switch position,
The instruction of killer switch position, and package unit and existing intelligent operation apparatus volume one when the miniaturization of component
Sample, it is only necessary to which specification trepanning can install on cabinet door.
It eliminates scene and unpractical electric current and voltage analog is shown, these analog quantitys are filled in the integrated protection of switch
It is all had been carried out in setting, then there is the wiring of these analog quantitys to bring greatly inconvenient and security risk to equipment replacement.
The present invention from the reliability of live actual maintenance, cost and device, not complicated electronic circuit and
Power module and big reduce equipment cost；Hardwire, each element is used independently to install replaceability and reach inside device
100%, avoid complete sets of equipment from replacing the waste that brings and easy to maintain；The electric loops of various pieces is relatively independent will not be because
The damage of some element influences the realization of other functions, further increases the reliability of device.
The present invention can realize breaker breaking-closing operating on the spot, and can realize breaker division, ground connection
The instruction of disconnecting link position, killer switch position, and package unit and existing intelligence when the miniaturization of component
Energy operating device volume is the same, it is only necessary to which specification trepanning can install on cabinet door.
Present invention eliminates live and unpractical electric currents and voltage analog to show that these analog quantitys exist
It is all had been carried out in the comprehensive protector of switch, then there is the wiring of these analog quantitys to be brought greatly to equipment replacement
Inconvenient and security risk.
The present invention from the reliability of live actual maintenance, cost and device, not complicated electronic circuit and
Power module and big reduce equipment cost；Hardwire, each element is used independently to install replaceability and reach inside device
100%, avoid complete sets of equipment from replacing the waste that brings and easy to maintain；The electric loops of various pieces is relatively independent will not be because
The damage of some element influences the realization of other functions, further increases the reliability of device.
Description of the drawings：
Attached drawing 1 is the circuit diagram of the present invention.
Specific implementation mode：
Embodiment 1：
A kind of switch cabinet state monitoring device, composition include：Operation instruction circuit 20, combined floodgate tank circuit 21, it is described
Operation instruction circuit 20 be electrically connected by closing bus bar 19 with combined floodgate tank circuit 21.
Embodiment 2：
According to switch cabinet state monitoring device described in embodiment 1, the operation instruction circuit 20 includes handcart position
Indicate that branch 22, circuit-breaker switching on-off instruction branch 23, earthing divide-shut brake indicate branch 24, handcart position instruction branch
Road 22 is connected in parallel on the operation and refers to the circuit-breaker switching on-off instruction branch 23 and earthing divide-shut brake instruction branch 24
Show in circuit 20.
Embodiment 3：
Switch cabinet state monitoring device according to embodiment 2, the handcart position indicate branch 22
Row including handcart position indicator light 1, handcart operating position and isolated location indicating relay WJ 2, handcart position
Journey contact BT1 3, the stroke of the handcart operating position and isolated location indicating relay WJ 2 and the handcart position
Contact BT1 3 connects, the handcart position indicator light 1 and the handcart operating position and isolated location indicating relay WJ
The 2 and stroke contact BT1 3 of the handcart position is connected in parallel in the handcart position instruction branch 22, when handcart is in work
When making position, the stroke contact BT1 3 of the handcart position is disconnected, the handcart operating position and isolated location instruction after
Excitation-free current passes through in electric appliance WJ 2, and normally closed contact is closed, and the upper and lower of handcart position indicator light 1 is lighted；Work as handcart
When in isolated location, the stroke contact BT1 3 of the handcart position is closed, the handcart operating position and isolated location
Indicating relay WJ 2 has exciting current to pass through, and normal opened contact is closed, and the handcart position indicator light 1 or so is lighted.
Embodiment 4：
Switch cabinet state monitoring device according to embodiment 2 or 3, the circuit-breaker switching on-off indicate that branch 23 wraps
Include circuit-breaker switching on-off indicator light 7, breaker open operation and closing position indicating relay H/TWJ 5, circuit-breaker switching on-off conversion
Contact BB3 6, the breaker open operation and closing position indicating relay H/TWJ 5 and circuit-breaker switching on-off conversion
Contact BB3 6 connects, the circuit-breaker switching on-off indicator light 7 and the breaker open operation and closing position indicating relay
The H/TWJ 5 and circuit-breaker switching on-off changeover contact BB3 6 is connected in parallel in the circuit-breaker switching on-off instruction branch 23,
When breaker is in closing position, the circuit-breaker switching on-off changeover contact BB3 6 disconnect, the breaker open operation and
5 excitation-free currents of closing position indicating relay H/TWJ pass through, and normally closed contact is closed, the circuit-breaker switching on-off indicator light
About 7 light；When breaker is in gate-dividing state, the circuit-breaker switching on-off changeover contact BB3 6 is closed, and described is disconnected
Road device separating brake and closing position indicating relay H/TWJ 5 have exciting current to pass through, and normal opened contact is to be closed, the handcart position
Indicator light 7 or so is set to light.
Embodiment 5：
According to the switch cabinet state monitoring device described in embodiment 2 or 3 or 4, the earthing divide-shut brake indicates branch
24 connect including earthing divide-shut brake indicator light 10, earthing separating brake and combined floodgate indicating relay DWJ 8, the conversion of earthing divide-shut brake
Point JD 9, the earthing separating brake and combined floodgate indicating relay DWJ 8 and the earthing divide-shut brake changeover contact JD 9
Series connection, the earthing divide-shut brake indicator light 10 and the earthing separating brake and combined floodgate indicating relay DWJ 8 and described
Earthing divide-shut brake changeover contact JD 9 be connected in parallel in the earthing divide-shut brake instruction branch 24, closed when earthing is in
When gate position, the earthing divide-shut brake changeover contact JD 9 is disconnected, the earthing separating brake and combined floodgate indicating relay
8 excitation-free currents of DWJ pass through, and normally closed contact is closed, and about the 10 earthing divide-shut brake indicator light is lighted；Work as earthing
When in gate-dividing state, the earthing divide-shut brake changeover contact JD 9 is closed, the earthing separating brake and instruction of closing a floodgate
Relay DWJ 8 has exciting current to pass through, and normal opened contact is to be closed, and the earthing divide-shut brake indicator light 10 or so is lighted.
Embodiment 6：
According to the switch cabinet state monitoring device described in embodiment 1 or 2 or 3 or 4 or 5, the combined floodgate tank circuit 21
Including energy storage signal lamp 13, the energy storage signal lamp 13 is connected with energy storage contact BS2 14, the energy storage contact BS2 14
It connects with fuse 18, the energy storage signal lamp 13 and the energy storage contact BS2 14 and manual closing energy-storing button 15 are simultaneously
Connection, the manual closing energy-storing button 15 are connected with energy storage motor 16, the energy storage motor 16 and energy storage contact BS1 17
Series connection, the energy storage contact BS1 17 connect with fuse 18, described after breaker completes the divide-shut brake of a cycle
Energy storage contact BS1 17 is connected, and the combined floodgate tank circuit 21 is connected, and the energy storage motor 16 completes energy storage, the storage
Energy signal lamp 13 is lighted.
Embodiment 7：
According to the switch cabinet state monitoring device described in embodiment 1 or 2 or 3 or 4 or 5 or 6, when combined floodgate 11 starts on the spot,
The operation instruction circuit 20 is connected with the combined floodgate tank circuit 21, and when separating brake 12 starts on the spot, the operation refers to
Show that circuit 20 is disconnected with the combined floodgate tank circuit 21.
Claims (1)
1. a kind of switch cabinet state monitoring device, composition include：Operation instruction circuit, it is characterized in that：The operation instruction
Circuit is electrically connected with combined floodgate tank circuit by closing bus bar；
The operation instruction circuit includes handcart position instruction branch, circuit-breaker switching on-off instruction branch, earthing divide-shut brake
Indicate that branch, the handcart position indicate that branch is indicated with the circuit-breaker switching on-off instruction branch and earthing divide-shut brake
Branch circuit parallel connection is in the operation instruction circuit；
The handcart position instruction branch includes handcart position indicator light, handcart operating position and isolated location indicating relay
The stroke contact BT1 of WJ, handcart position, the handcart operating position and isolated location indicating relay WJ and the hand
The stroke contact BT1 series connection of truck position, the handcart position indicator light refer to the handcart operating position and isolated location
Show that the stroke contact BT1 of relay WJ and the handcart position is connected in parallel in the handcart position instruction branch, works as hand
When vehicle is in operating position, the stroke contact BT1 of the handcart position is disconnected, the handcart operating position and isolated bit
It sets excitation-free current in indicating relay WJ to pass through, normally closed contact is closed, and the upper and lower of handcart position indicator light is lighted；
When handcart is in isolated location, the stroke contact BT1 of the handcart position is closed, the handcart operating position and every
It offs normal and sets indicating relay WJ and there is exciting current to pass through, normal opened contact is closed, and described handcart position indicator light or so is lighted；
The circuit-breaker switching on-off instruction branch includes circuit-breaker switching on-off indicator light, breaker open operation and closing position instruction
Relay H/TWJ, circuit-breaker switching on-off changeover contact BB3, the breaker open operation and closing position indicating relay H/TWJ
And the circuit-breaker switching on-off changeover contact BB3 series connection, the circuit-breaker switching on-off indicator light and the breaker point
Lock and closing position indicating relay H/TWJ and the circuit-breaker switching on-off changeover contact BB3 are connected in parallel on the open circuit
Device divide-shut brake indicates in branch, and when breaker is in closing position, the circuit-breaker switching on-off changeover contact BB3 is disconnected,
The breaker open operation and closing position indicating relay H/TWJ excitation-free currents passes through, and normally closed contact is closed, described
Circuit-breaker switching on-off indicator light is lighted up and down；When breaker is in gate-dividing state, the circuit-breaker switching on-off changeover contact
BB3 is closed, and the breaker open operation and closing position indicating relay H/TWJ have exciting current to pass through, and normal opened contact is
It is closed, described handcart position indicator light or so is lighted；
The earthing divide-shut brake instruction branch includes earthing divide-shut brake indicator light, earthing separating brake and instruction relay of closing a floodgate
Device DWJ, earthing divide-shut brake changeover contact JD, the earthing separating brake and combined floodgate indicating relay DWJ and the ground connection
Knife divide-shut brake changeover contact JD series connection, the earthing divide-shut brake indicator light and the earthing separating brake and closing a floodgate indicate after
The electric appliance DWJ and earthing divide-shut brake changeover contact JD is connected in parallel in the earthing divide-shut brake instruction branch, when
When earthing is in closing position, the earthing divide-shut brake changeover contact JD is disconnected, the earthing separating brake and combined floodgate
Indicating relay DWJ excitation-free currents pass through, and normally closed contact is closed, and the earthing divide-shut brake indicator light is lighted up and down；When
When earthing is in gate-dividing state, the earthing divide-shut brake changeover contact JD is closed, the earthing separating brake and combined floodgate
Indicating relay DWJ has exciting current to pass through, and normal opened contact is to be closed, and described earthing divide-shut brake indicator light or so is lighted；
The combined floodgate tank circuit includes energy storage signal lamp, and the energy storage signal lamp is connected with energy storage contact BS2, described
Energy storage contact BS2 connect with fuse, the energy storage signal lamp and the energy storage contact BS2 and manual closing energy-storing
Button is in parallel, and the manual closing energy-storing button is connected with energy storage motor, and the energy storage motor is gone here and there with energy storage contact BS1
Connection, the energy storage contact BS1 connect with fuse, and after breaker completes the divide-shut brake of a cycle, the energy storage connects
Point BS1 is connected, and the combined floodgate tank circuit is connected, and the energy storage motor completes energy storage, the energy storage signal lamp point
It is bright；
When combined floodgate starts on the spot, the operation instruction circuit is connected with the combined floodgate tank circuit, when separating brake starts on the spot,
The operation instruction circuit is disconnected with the combined floodgate tank circuit；
It uses hardwire, each element independently to install replaceability and reach 100% inside device, complete sets of equipment replacement is avoided to bring
It wastes and easy to maintain；The electric loop of various pieces is relatively independent to influence other functions because of the damage of some element
Realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847437.9A CN105811256B (en) | 2014-12-31 | 2014-12-31 | Switch cabinet state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847437.9A CN105811256B (en) | 2014-12-31 | 2014-12-31 | Switch cabinet state monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105811256A CN105811256A (en) | 2016-07-27 |
| CN105811256B true CN105811256B (en) | 2018-07-20 |
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ID=56420339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410847437.9A Active CN105811256B (en) | 2014-12-31 | 2014-12-31 | Switch cabinet state monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105811256B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201699346U (en) * | 2010-06-18 | 2011-01-05 | 上海安科瑞电气股份有限公司 | Switch cabinet comprehensive indicating device realized by pure hardware circuit |
| CN202260238U (en) * | 2011-10-11 | 2012-05-30 | 合肥伟创电力技术有限公司 | Intelligent display control device for switch cabinet |
| CN202888715U (en) * | 2012-08-27 | 2013-04-17 | 新疆特变电工自控设备有限公司 | Switch-cabinet control unit and switch cabinet |
-
2014
- 2014-12-31 CN CN201410847437.9A patent/CN105811256B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201699346U (en) * | 2010-06-18 | 2011-01-05 | 上海安科瑞电气股份有限公司 | Switch cabinet comprehensive indicating device realized by pure hardware circuit |
| CN202260238U (en) * | 2011-10-11 | 2012-05-30 | 合肥伟创电力技术有限公司 | Intelligent display control device for switch cabinet |
| CN202888715U (en) * | 2012-08-27 | 2013-04-17 | 新疆特变电工自控设备有限公司 | Switch-cabinet control unit and switch cabinet |
Non-Patent Citations (1)
| Title |
|---|
| 一种开关柜智能操控装置的设计与实现;孙兴丽，刘曙光;《高压电器》;20090228;第45卷(第1期);第76-80页 * |
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| Publication number | Publication date |
|---|---|
| CN105811256A (en) | 2016-07-27 |
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