CN201674143U - Mine general handcart type vacuum power distribution cabinet - Google Patents
Mine general handcart type vacuum power distribution cabinet Download PDFInfo
- Publication number
- CN201674143U CN201674143U CN2010201980911U CN201020198091U CN201674143U CN 201674143 U CN201674143 U CN 201674143U CN 2010201980911 U CN2010201980911 U CN 2010201980911U CN 201020198091 U CN201020198091 U CN 201020198091U CN 201674143 U CN201674143 U CN 201674143U
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- cabinet
- circuit breaker
- power supply
- vacuum
- power distribution
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Abstract
The utility model discloses a mine general handcart type vacuum power distribution cabinet. The left side of a front door of a cabinet is connected with the side surface of a cabinet body by double hinges, and the handcart type mechanism of a vacuum circuit breaker is positioned at the lower part in the cabinet body. A WPD - 217D microcomputer integrated protection device is installed in the cabinet body, one switching-in foot and one switching-off foot of the microcomputer integrated protection device are connected with one end of a power supply by a change-over switch and the contact of a miniature circuit breaker, and another switching-in foot and another switching-off foot are connected with the other end of the power supply by the vacuum circuit breaker and the contact of the miniature circuit breaker. A backdoor latching electromagnetic lock and a display are connected in series and then are connected with a voltage-absent coil in parallel to be connected with two ends of the power supply, and the miniature circuit breaker and an energy storage switch are connected in series to be connected with the two ends of the power supply. A central signal output terminal is connected with a voice alarm device. The structure is simple, and a mechanical interlocking mechanism and an electrical secondary protection misoperation prevention device are adopted, so the front door is opened after power failure to ensure safety. The mine general handcart type vacuum power distribution cabinet has the advantages of complete protection functions, electric reliability, simple operation, small volume and light weight.
Description
Technical field
The utility model relates to a kind of mining GENERAL TYPE handcart type vacuum power distribution cabinet.
Background technology
Known mining GENERAL TYPE handcart type vacuum power distribution cabinet comprises vacuum circuit-breaker, vacuum circuit-breaker is installed on the handcart frame, utilize high pressure cabinet gate console mode to extract circuit breaker automatically out, so just there is weak point, if behind the vacuum circuit-breaker separating brake, want to make its six one-time contacts break away from high pressure reach safe distance (＞100CM) obvious cut-off point arranged, (being equivalent to isolating switch disconnects), just must open the Qianmen of handcart cabinet downwards, whole circuit breaker exposes cabinet, poor stability; In addition at the circuit breaker front end owing to account for very big space to downward swing door; Also have current relay to select JGL type current relay for use, can only satisfy conventional requirement, and can't satisfy the requirement of integrated protection and computer interface, when breaking down, have only electric bell to report to the police, do not have audio alert function intuitively.
Summary of the invention
In order to overcome known mining GENERAL TYPE handcart type vacuum power distribution cabinet poor stability, take up room greatly, can't to satisfy the requirement of integrated protection and computer interface, the defective of no audio alert; the utility model provides a kind of mining GENERAL TYPE handcart type vacuum power distribution cabinet, and GENERAL TYPE handcart type vacuum power distribution cabinet fail safe that this is mining is good, little, as can to satisfy integrated protection and the computer interface requirement that takes up room, have audio alert function intuitively.
The technical solution of the utility model is: this vacuum power distribution cabinet comprises cabinet, and the Qianmen of cabinet passes on left double-strand chain and links to each other with the cabinet side, and the handcart-type mechanism of vacuum circuit-breaker is positioned at the cabinet bottom, and the WPD-217D computer integrated protection is installed in the cabinet;
A combined floodgate pin of WPD-217D computer integrated protection, a separating brake pin connect power supply one end through change over switch, miniature circuit breaker contact, be connected to brace between two protection pin, another combined floodgate pin, another separating brake pin connect the power supply other end through the contact of vacuum circuit-breaker, miniature circuit breaker, be connected on both ends of power with the decompression coils from parallel connection of coils again after the series connection of back door locking electromagnetic lock, display, miniature circuit breaker be connected on both ends of power after the energy storage switch is connected;
Be in series with the kilowatt-hour meter summation current transformer between the measurement current terminal of WPD-217D computer integrated protection and the ground, be connected to current transformer between protective current end and the ground, the voltage measurement termination has three phase watt-hour meter, and the central signal output is connected to phonetic alarm device.
Vacuum circuit-breaker self configuration handcart-type mechanism can realize the contact and the disconnection of circuit breaker one-time contact with manual rocking handle rotary main shaft, and not open in the cabinet that realize the buffer action of high-tension electricity in cabinet, security performance improves compared with before-improvement greatly.
Advanced WPD computer integrated protection is adopted in relaying protection; to replace traditional current relay; realize the various functions of computer centralized control, protection, detection, control, communication, the user realizes the unattended operation scheme by the RS-485 interface of WPD computer integrated protection.Have the audio alert function, it is directly perceived to report to the police, better effects if.Each link in the switch cubicle operation all has voice suggestion.
In order to guarantee in the powered operation when overcurrent occurring, the reliable separating brake of circuit breaker when the short trouble system voltage reduces, well-designed direct current sub-gate circuit.Operation principle is to utilize electric capacity charging storage power, when the control power supply reduces or after the excision of control power supply, the stored energy of this electric capacity also can make reliable separating brake 2 ∽ of switching winding 3 times, thereby has avoided exchanging the big shortcoming of the controlled voltage fluctuation influence of coil in the sub-gate circuit.
Advantage of the present utility model: power application automatic technology, computer technology and the information transmission technology; integrate the networking of multiple merits such as protection, detection, control, communication, the design of elementization; use advanced electronic devices and components, thus the reliability of the accuracy of assurance data and judgement, action.For satisfying growing automation demand, the user can reach the four remote control function with remote control, remote measurement, remote regulating, remote signalling by the operation of knotting of RS--485/422 interface.Simultaneously also can with the operation of knotting of the open network of network such as ETHERNET, ARCNET, CAN or communications protocol, finally realize transformer station's unattended operation scheme.
Mechanical strength height, defencive function complete, electric reliable, simple to operate, volume is little, in light weight.
Function modoularization, the whole High-Voltage Electrical Appliances elements of this power distribution cabinet handcart-type movement are loaded on the handcart, and instrument shows that control room, bus-bar room, each unit effect are separate, is independent of each other.Operation, install, safeguard very convenient, penetration type bus busbar.
Simple in structure, this device adopts mechanical interlock mechanism and the anti-device of electrical equipment second protection mistake, can open the Qianmen after the power failure, and the Qianmen is opened the back handcart and moved safety test maintenance position automatically to, guarantees safety.
The design of the Microcomputer Protection supervisory control system of integrated, elementization can be saved all conventional instruments, relay protection and various annex thereof, has simplified Secondary Design and construction, for user installation, debugging, maintenance bring great convenience.
The design philosophy of the Microcomputer Protection supervisory control system of integrated, elementization makes mounting means flexible; group screen in both reliable; can being installed on the spot again both can network on each switch cubicle constitutes integrated protection supervisory control system, can be arranged separately in again to make it on the switch cubicle as the intelligent switchboard system isolated operation.
Description of drawings
Fig. 1 is a cabinet body structure schematic diagram of the present utility model.
Fig. 2 is the internal structure left view of Fig. 1.
Fig. 3 is a control loop circuit diagram of the present utility model.
Fig. 4 is alternating current loop circuit figure of the present utility model.
Fig. 5 is an ac voltage circuit circuit diagram of the present utility model.
Fig. 6 is voice alarm circuit figure of the present utility model.
1. Qianmens among the figure, 2. instrument door, 3. cabinet side, 4. double-strand chain, 5. handcart-type mechanism.
Embodiment
In Fig. 1 and Fig. 2, this vacuum power distribution cabinet comprises cabinet, and the Qianmen 1 of cabinet passes on left double-strand chain 4 and links to each other with cabinet side 3, and the handcart-type mechanism 5 of vacuum circuit-breaker is positioned at the cabinet bottom, and the WPD-217D computer integrated protection is installed in the cabinet.
In Fig. 3; the combined floodgate pin X4:3 of WPD-217D computer integrated protection, separating brake pin X4:7 meet power supply KMa through change over switch KK, miniature circuit breaker QF1 contact; be connected to brace 1LP between protection pin X4:6 and the protection pin X4:5; combined floodgate pin X4:2, separating brake pin X4:8 meet power supply KMc through the contact of vacuum circuit-breaker 1QF, miniature circuit breaker QF1; after back door locking electromagnetic lock DC, the display AN series connection again and decompression coil SY and being connected between power supply KMa and the KMc, miniature circuit breaker QF3 be connected between power supply KMa and the KMc after energy storage switch S B connects.
In Fig. 4, be in series with binomial kilowatt-hour meter DM summation current transformer 1LHa, 1LHc between measurement current terminal X1:11, the X1:9 of WPD-217D computer integrated protection and the ground, measure between current terminal X1:12, X1:10 and the ground and be connected to ammeter A.Be in series with current transformer 2LHa, 2LHc between protective current end X1:7, X1:3 and the ground.
In Fig. 5, voltage measurement end X1:16, X1:15, X1:14 are connected to three phase watt-hour meter EM.
In Fig. 6, power end KMc meets pin X2:2, the X4:24 of WPD-217D computer integrated protection through 102 of miniature circuit breaker QF2; Power end KMa through 101 of miniature circuit breaker QF2 connect the WPD-217D computer integrated protection pin X2:1, through S1 connect WPD pin X4:14, meet the pin X4:15 of WPD, meet the pin X4:16 of WPD through S9 through the 2LP brace.Voice device YY one termination power XMa, another termination power XMc while meets central signal output pin X4:10, X4:11, X4:12, the X4:13 of WPD through electric bell JL and contact SA3.
As follows for the switch cubicle operating procedure that adopts VS1 type handcart type vacuum circuit breaker: as to close the cabinet Qianmen, with manual rocking handle dolly is shaken to test position or service position, this moment, test position or service position indicator light were bright, the separating brake indicator light is bright, observe the on/off switch direction board of circuit breaker by the Qianmen inspection hole and should indicate " gate-dividing state ", press the energy storage button, the energy storage motor action makes the spring mechanism energy storage, the energy storage indicator light was bright after energy storage finished, the divide-shut brake change over switch is rotated to closing position in the direction of the clock, the breaker closing coil motion makes breaker closing, the direction board of circuit breaker own shows " combined floodgate " state, the combined floodgate indicator light is bright on the switch cubicle instrument door, switch cubicle is in "on" position, the divide-shut brake change over switch is rotated to the separating brake position by counter clockwise direction, this moment the breaker open operation coil working, breaker open operation, direction board shows separating brake, the separating brake indicator light is bright on the switch cubicle instrument door, this moment, circuit breaker was in gate-dividing state, and available manual rocking handle retreats to test position with dolly, and the contact of circuit breaker and contact box disconnect, the Qianmen is opened the maintainer and switch cubicle is safeguarded and is overhauled that each link in this process all has voice suggestion.
Claims (1)
1. mining GENERAL TYPE handcart type vacuum power distribution cabinet, this vacuum power distribution cabinet comprises cabinet, it is characterized in that: the Qianmen of cabinet passes on left double-strand chain and links to each other with the cabinet side, the handcart-type mechanism of vacuum circuit-breaker is positioned at the cabinet bottom, and the WPD-217D computer integrated protection is installed in the cabinet; A combined floodgate pin of WPD-217D computer integrated protection, a separating brake pin connect power supply one end through change over switch, miniature circuit breaker contact, be connected to brace between two protection pin, another combined floodgate pin and another separating brake pin connect the power supply other end through the contact of vacuum circuit-breaker, miniature circuit breaker, be connected on both ends of power with the decompression coils from parallel connection of coils again after the series connection of back door locking electromagnetic lock, display, miniature circuit breaker be connected on both ends of power after the energy storage switch is connected; Be in series with the kilowatt-hour meter summation current transformer between the measurement current terminal of WPD-217D computer integrated protection and the ground, be connected to current transformer between protective current end and the ground, the voltage measurement termination has three phase watt-hour meter, and the central signal output is connected to phonetic alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201980911U CN201674143U (en) | 2010-05-14 | 2010-05-14 | Mine general handcart type vacuum power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201980911U CN201674143U (en) | 2010-05-14 | 2010-05-14 | Mine general handcart type vacuum power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201674143U true CN201674143U (en) | 2010-12-15 |
Family
ID=43331551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201980911U Expired - Fee Related CN201674143U (en) | 2010-05-14 | 2010-05-14 | Mine general handcart type vacuum power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201674143U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437520A (en) * | 2011-10-21 | 2012-05-02 | 倪呈潜 | Control circuit board of power distribution cabinet |
| 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 |
| CN109659841A (en) * | 2018-12-19 | 2019-04-19 | 达实电力建设有限公司 | A kind of isolation cabinet secondary connection circuit |
| CN112186711A (en) * | 2020-10-26 | 2021-01-05 | 贵州盘江精煤股份有限公司 | Relay protection device |
-
2010
- 2010-05-14 CN CN2010201980911U patent/CN201674143U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437520A (en) * | 2011-10-21 | 2012-05-02 | 倪呈潜 | Control circuit board of power distribution cabinet |
| CN102437520B (en) * | 2011-10-21 | 2014-07-09 | 倪呈潜 | Control circuit board of power distribution cabinet |
| 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 |
| CN109659841A (en) * | 2018-12-19 | 2019-04-19 | 达实电力建设有限公司 | A kind of isolation cabinet secondary connection circuit |
| CN109659841B (en) * | 2018-12-19 | 2020-06-26 | 达实电力建设有限公司 | Secondary wiring circuit of isolation cabinet |
| CN112186711A (en) * | 2020-10-26 | 2021-01-05 | 贵州盘江精煤股份有限公司 | Relay protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20120514 |