CN205195071U - Novel low pressure rural power grids switch board - Google Patents

Novel low pressure rural power grids switch board Download PDF

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Publication number
CN205195071U
CN205195071U CN201520985163.XU CN201520985163U CN205195071U CN 205195071 U CN205195071 U CN 205195071U CN 201520985163 U CN201520985163 U CN 201520985163U CN 205195071 U CN205195071 U CN 205195071U
Authority
CN
China
Prior art keywords
cabinet
power grids
fuse
power distribution
rural power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520985163.XU
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Chinese (zh)
Inventor
龙宗峰
刘彤
王建永
白福建
张少宝
李良福
吕东
陈晨
邓天一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG LUNENG LIYUAN ELECTRIC EQUIPMENT CO Ltd
State Grid Corp of China SGCC
Zaozhuang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
SHANDONG LUNENG LIYUAN ELECTRIC EQUIPMENT CO Ltd
State Grid Corp of China SGCC
Zaozhuang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANDONG LUNENG LIYUAN ELECTRIC EQUIPMENT CO Ltd, State Grid Corp of China SGCC, Zaozhuang Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical SHANDONG LUNENG LIYUAN ELECTRIC EQUIPMENT CO Ltd
Priority to CN201520985163.XU priority Critical patent/CN205195071U/en
Application granted granted Critical
Publication of CN205195071U publication Critical patent/CN205195071U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a dedicated novel rural power grids switch board of rural power grids. The utility model discloses a cabinet body, electrical component two parts, the front panel is equipped with in the front of the cabinet body, and to be instrument door, operation protection panel, preceding panel triplex down in proper order, the rear panel is installed at the back to the cabinet body on follow, and the panel hinged on the cabinet is personally experienced sth. Part of the body under to down in proper order for fixed shrouding, back panel down, fixed shrouding is opened had the observation window on follow after, the roof is equipped with at cabinet body top, and the roof board is provided with a plurality of cable entrance holes, and the bottom plate is installed to cabinet body bottom, and the bottom plate is equipped with a plurality of cable outlet. The utility model discloses a cabinet height degree and volume, weight reduction are compressed in the redesign and the optimization of structure, be convenient for transportation and transport, and the interior space utilization of improvement cabinet, through addding viewing device, the fortune of being convenient for dimension is observed, and operational structure or warning marker is prevented missing in the increase, improves the security, through increasing fixed class of device of inlet wire installation of cable, easy to assemble and use.

Description

A kind of New Low Voltage rural power grids power distribution cabinet
Technical field
The utility model relates to a kind of low-voltage distribution cabinet, particularly relates to a kind of novel rural power grids power distribution cabinet.
Background technology
At present, in electric power system, because above-mentioned traditional cabinet type mostly is general cabinet type, when as rural power grids power distribution cabinet, there is more deficiency in traditional cabinet types such as the many employings of low pressure rural power grids power distribution cabinet GGD, PGL.Because original cabinet type cabinet is higher, heavier, and rural power grids switchgear house space is comparatively narrow and small, cannot use the large-scale Work tools such as crane, and comparatively difficulty is installed in transport.And cabinet watch window is higher, be inconvenient to observe situation in cabinet, bottom of cabinet bulk is designed with fixed dam, inconvenient personnel's construction.In cabinet, space is comparatively large but institute's dress components and parts are less, and space availability ratio is lower.Misoperation-proof mechanism is not had in original cabinet type, or alarming sign, fail safe is inadequate.Do not take into full account during design that the installation of inlet wire cable is fixed, fixing inlet wire cable is installed very inconvenient in practical operation.
Summary of the invention
In order to the New Low Voltage rural power grids power distribution cabinet providing a kind of rural power grids special, by redesign and the optimization of structure, compression cabinet height and volume, weight reduction, be convenient to transport and carrying, facilitate site operation, space availability ratio in raising cabinet.Additionally by setting up finder, being convenient to O&M and observing, increasing anti-misoperation structure or alarming sign, improving fail safe, wait device, convenient installation and use by the installation of increase inlet wire cable is fixing.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of New Low Voltage rural power grids power distribution cabinet, comprise cabinet, appliance component two parts, front panel is equipped with in the front of cabinet, be followed successively by instrument door, operation protection face board, front lower panel three part from top to bottom, instrument door is hinged on cabinet, instrument and indicator light instrument door be equipped with, operation protection face board with shutter-type blocking mechanism, front lower panel and cabinet hinged;
Be provided with rear board after cabinet, be followed successively by fixing shrouding, rear lower panel from top to bottom, fixing shrouding has observation window, and rear lower panel is hinged on cabinet;
Top board is equipped with at cabinet top, and top plate is provided with multiple long cable section of ingoing line hole, and bottom of cabinet bulk is provided with base plate, and base plate is provided with multiple cable outlet hole.
According to described New Low Voltage rural power grids power distribution cabinet, described operation protection face board, fixing shrouding post alarming sign respectively, have the observation window that rectangle transparent cover plate seals in the middle part of fixing shrouding.
According to described New Low Voltage rural power grids power distribution cabinet, described front-rear opened panel side by hinge and cabinet hinged, opposite side is equipped with lockset.
According to described New Low Voltage rural power grids power distribution cabinet, described top board is provided with the long cable section of ingoing line hole of the independent inlet wire of every phase cable, and long cable section of ingoing line hole is furnished with screwing type cable guard ring, and base plate is provided with the cable outlet hole of outlet switch way respective amount.
Described shutter-type blocking mechanism is made up of gathering sill, valve baffle plate, blocking coil.Gathering sill is welded on operation protection face board, and blocking coil is fixed on gathering sill, and valve baffle plate is arranged in gathering sill, and the latch shaft of blocking coil is stuck in valve baffle plate top, and the power supply of blocking coil draws self-blocking device end opening.
According to described New Low Voltage rural power grids power distribution cabinet, the appliance component in power distribution cabinet comprises isolating switch, circuit breaker, instrument transformer, fuse, lightning arrester,
The electric conductor of isolating switch through being equipped with instrument transformer is connected respectively with circuit breaker upper port, and zero line is directly connected to circuit breaker by electric conductor from isolating switch upper port position without isolating switch;
Circuit breaker lower port is connected with fuse, and each phase line leading-out terminal of fuse is all connected with lightning arrester, and the lightning arrester other end is linked together by electric conductor, then is connected to earth point by wire, and zero line outlet row end does not connect lightning arrester.
According to described New Low Voltage rural power grids power distribution cabinet, instrument current circuit is connected with current transformer by wire, voltage circuit is connected to voltage change-over switch by wire, voltage change-over switch is connected to secondary fuse, the secondary fuse other end is connected to each phase electric conductor, and indicator light connects the fuse outgoing line side of every primary Ioops A, C two-phase respectively by wire.
This Novel distribution cabinet reduces the height of conventional electrical distribution cabinet, reduces volume, alleviates weight simultaneously, facilitates carrying during construction, decreases manpower and materials consumption.Because in cabinet, components and parts are constant, cabinet reduces, and improves space availability ratio in cabinet.Due to height reduction, instrumental observation window and operation knob also decrease, the O&M facilitating staff is observed, and be provided with observation window later, make staff need not open cabinet door and just can be observed situation in cabinet, the O&M further facilitating staff is observed, and reduces the possibility of accidental shock.Operation protection face board is designed to fixed, and add isolating-switch locking program, and put up correct operating process and eye-catching alarming sign, operating personnel are reminded to operate according to correct operating process, improve the fail safe of personnel and equipment, improve the degree of protection of cabinet, prevent operating personnel from arbitrarily touching, misoperation by mistake.Former fixed lower shrouding is changed into one opposite opened panel, increase cabinet bottom construction space, convenient construction human users.Original cabinet top only has an inlet wire cable aperture, cannot attached cable, now change four cable aperture of the independent inlet wire of every phase cable into, and each hole is provided with screwing type cable guard ring, by simple screw-fashion by cable fixation, realize shutoff simultaneously, prevent foreign matter from entering in cabinet, improve degree of protection.
Accompanying drawing explanation
Fig. 1 is the utility model front view.
Fig. 2 is the utility model vertical view.
Fig. 3 is the utility model rearview.
Fig. 4 is the utility model left view.
Fig. 5 is the utility model upward view.
Fig. 6 the utility model electrical schematic diagram.
Fig. 7 shutter-type blocking mechanism installation diagram.
Fig. 8 shutter-type blocking mechanism gathering sill figure.
Fig. 9 shutter-type blocking mechanism valve baffle plate figure.
In accompanying drawing:
1. instrument 2. indicator light 3. isolating switch 4. alarming sign
5. circuit breaker 6. lockset 7. fuse 8. zero line outlet row
9. before, lower panel 10. operates protection face board 11. instrument door 12. cabinet
The rear lower panel 16. long cable section of ingoing line hole of shrouding 15. fixed by 13. observation windows 14.
17. top board 18. cable outlet hole 19. base plate 20. earth points
No. 21. 2 fuse 22. current transformer 23. lightning arrester 24. shutter-type blocking mechanisms
25. blocking coil 26. gathering sill 27. valve baffle plates.
Embodiment
A kind of New Low Voltage rural power grids power distribution cabinet, comprise cabinet 12, appliance component two parts, inner appliance component comprises isolating switch 3, circuit breaker 5, instrument transformer 22, fuse 7, lightning arrester 23.
Isolating switch 3 is connected with circuit breaker 5 upper port respectively by electric conductor, electric conductor is equipped with current transformer 22, and zero line, without isolating switch 3, is directly connected to circuit breaker 5 by electric conductor from isolating switch 3 position of upper.Circuit breaker 5 lower port is connected with fuse 7.Fuse 7 does not connect lightning arrester 23 except zero line outlet row end, and all the other each phase line leading-out terminals are all connected with lightning arrester 23.Lightning arrester 23 other end is linked together by electric conductor, and then is connected to earth point 20 by wire.
Front panel is equipped with in cabinet 12 front, is divided into three parts, is followed successively by instrument door 11, operation protection face board 10, front lower panel 9 from top to bottom.Instrument door 11 side is connected with cabinet by hinge, and opposite side is equipped with lockset 6, opens to side by specific purpose tool.Instrument 1, indicator light 2 instrument door 11 be equipped with.Wherein, instrument current circuit is connected with current transformer 22 by wire, voltage circuit is connected to voltage change-over switch by wire, voltage change-over switch is connected to secondary fuse 21, secondary fuse 21 other end is connected to each phase electric conductor, and indicator light 2 connects the fuse outgoing line side of every primary Ioops A, C two-phase respectively by wire.
Be fixed operation protection face board 10 below instrument door 11, be provided with shutter-type blocking mechanism 24, correct operating process and eye-catching alarming sign 4 are posted in below.Be front lower panel 9 below operation protection face board 10, hinge be housed respectively and be connected with cabinet 12, and lockset 6 is installed, open to both sides by specific purpose tool.
Cabinet 12 is equipped with rear board below, is divided into two parts, is followed successively by fixing shrouding 14, rear lower panel 15 from top to bottom.Wherein fix in the middle of shrouding 14 and have rectangle observation window 13, below it, post eye-catching alarming sign 4.The same lower panel 9 of rear lower panel 15 is the same, is connected, and lockset 6 is housed, open by specific purpose tool to both sides with cabinet hinge.Cabinet 12 end face is equipped with top board 17, top board 17 is provided with long cable section of ingoing line hole 16, and is furnished with screwing type cable guard ring.Base plate 19 is equipped with in cabinet 12 bottom surface, arranges the cable outlet hole 18 of respective amount according to outlet switch way.
This power distribution cabinet operation principle is: inlet wire cable A, B, C three-phase is connected on isolating switch 3, the operating mechanism of this isolating switch 3 is positioned on operation protection face board 10, carry out Artificial Control by specific purpose tool close or disconnect, but can not be used for breaking current, can only use as cut-off point obvious in circuit.
Isolating switch 3 lower port uses branch's electric conductor to be connected to circuit breaker 5 upper port, and zero line then not by isolating switch 3, is directly connected with circuit breaker 5 by electric conductor by inlet wire cable.Electric current flows through isolating switch 3 by inlet wire cable, flows to circuit breaker 5 by branch's electric conductor, and circuit breaker 5 can breaking current, on-load divide-shut brake, and can disconnect when outgoing line side leaks electricity, and prevents unexpected generation.Below circuit breaker 5 except zero line each corresponding fuse 7 of A, B, C three-phase, use electric conductor be connected.Zero line, without fuse 7, is directly connected to fuse 7 position as zero line outlet row 8 by electric conductor from circuit breaker 5 lower port.Electric current flows out via circuit breaker 5, and phase line current flows out to outlet cable through overcurrent fuse 7.Neutral line current directly flows out to outlet cable by circuit breaker 5.
Fusible core can fuse by fuse 7 in the excessive situation of electric current, protective circuit, and a corresponding lightning arrester 23 below each fuse 7, each lightning arrester 23 side is connected to fuse 7 outgoing line side by electric conductor.All another ground side of lightning arrester 23 are linked together by electric conductor, are finally connected to earth point 20.Lightning arrester 23 can meet with thunderbolt at outlet circuit, and conducting when electric current and voltage raises instantaneously, by high-current leading to earth point 20.
Current transformer 22 induces every phase current, passes to instrument 1 by wire.Voltage from isolating switch 3 acquisition suitable for reading is passed to the voltage circuit of instrument 1 by voltage change-over switch respectively with the voltage between phases form between every two-phase, instrument 1 shows the voltage between every two-phase.Outgoing line side cable obtains electric, then corresponding indicator light 2 is bright, and in case of having a power failure or fault, outlet cable dead electricity, then indicator light 2 extinguishes.
When all circuit breakers 5 are in gate-dividing state, blocking coil 25 obtains electric adhesive, the valve baffle plate 27 of shutter-type blocking mechanism 24 can upwards be pushed open, the handle hole of isolating switch 3 is opened, and can carry out a point closing operation to isolating switch 3, when there being any circuit breaker 5 to be in "on" position, blocking coil 25 dead electricity, the latch shaft of blocking coil 25 is stuck in valve baffle plate 27 top, and valve baffle plate 27 cannot upwards be pushed open, cannot disconnecting switch operation 3.
Embodiment
This low pressure rural power grids power distribution cabinet overall dimension is: width 1000mm, thickness 600mm, height 1800mm.This cabinet electrical system adopts isolating switch model to be HD13BX-1000/311000A, branching pattern is processed into copper bar below isolating switch 3, below is three circuit breakers, and model is the circuit breaker two of GM30L-400/H3NPE, and model is the circuit breaker one of GM6L-250/H3NZE.
Below circuit breaker except zero line each corresponding fuse of A, B, C three-phase, use copper bar connect.Corresponding model is the fuse model of GM30L-400/H3NPE circuit breaker is HDLRT0-400/400A, and corresponding model is the fuse model of GM6L-250/H3NZE circuit breaker is HDLRT0-400/250A.A corresponding lightning arrester below each fuse, model is HY1.5WS-0.28/1.3.Use 6mm2 wire to be connected between each lightning arrester with fuse end opening, another ground side of all lightning arresters is connected by aluminium row, and aluminium is arranged one end and used M8 screw to be connected with the copper cash nose of 10mm2 earth connection one end, and the earth connection other end is connected to earth point.

Claims (7)

1. a New Low Voltage rural power grids power distribution cabinet, comprise cabinet (12), appliance component two parts, it is characterized in that: front panel is equipped with in the front of cabinet (12), be followed successively by instrument door (11), operation protection face board (10), front lower panel (9) three part from top to bottom, instrument door (11) is hinged on cabinet, instrument (1) and indicator light (2) instrument door (11) be equipped with, operation protection face board (10) is provided with shutter-type blocking mechanism (24), and front lower panel (9) is hinged with cabinet;
Cabinet (12) is equipped with rear board below, is followed successively by fixing shrouding (14), rear lower panel (15) from top to bottom, and fixing shrouding (14) is provided with observation window (13), and rear lower panel (15) is hinged on cabinet;
Top board (17) is equipped with at cabinet (12) top, and top board (17) is provided with multiple long cable section of ingoing line hole (16), and the base plate (19) of cabinet (12) bottom is provided with multiple cable outlet hole (18).
2. New Low Voltage rural power grids power distribution cabinet according to claim 1, is characterized in that: described operation protection face board (10), fixing shrouding (14) post alarming sign (4) respectively, and fixing shrouding (14) middle part is provided with observation window (13).
3. New Low Voltage rural power grids power distribution cabinet according to claim 1, is characterized in that: described instrument door (11) is one-sided to be connected with cabinet by hinge, and opposite side is equipped with lockset (6); Front lower panel (9) is opposite opened, is connected with cabinet by hinge, and is provided with lockset (6); Rear lower panel (15) is also opposite opened, is connected with cabinet by hinge, and is provided with lockset (6).
4. New Low Voltage rural power grids power distribution cabinet according to claim 1, it is characterized in that: described top board (17) is provided with the long cable section of ingoing line hole (16) of the independent inlet wire of every phase cable, long cable section of ingoing line hole (16) is furnished with screwing type cable guard ring, and base plate (19) is provided with the cable outlet hole (18) of outlet switch way respective amount.
5. New Low Voltage rural power grids power distribution cabinet according to claim 1, it is characterized in that: described shutter-type blocking mechanism (24) is made up of gathering sill (26), valve baffle plate (27), blocking coil (25), gathering sill (26) is welded in operation protection face board (10), blocking coil (25) is fixed on gathering sill (26), valve baffle plate (27) is arranged in gathering sill (26), and the latch shaft of blocking coil (25) is stuck in valve baffle plate (27) top.
6. New Low Voltage rural power grids power distribution cabinet according to claim 1, is characterized in that: the appliance component in power distribution cabinet comprises isolating switch (3), circuit breaker (5), current transformer (22), fuse (7), lightning arrester (23);
The conductor of isolating switch (3) through being equipped with current transformer (22) is connected respectively with circuit breaker (5) upper port, and zero line is directly connected to circuit breaker (5) by conductor from isolating switch (3) upper port position without isolating switch (3);
Circuit breaker (5) lower port is connected with fuse (7), each phase line leading-out terminal of fuse (7) is all connected with lightning arrester (23), lightning arrester (23) other end is linked together by conductor, and then being connected to earth point (20) by wire again, zero line leading-out terminal does not connect lightning arrester (23).
7. New Low Voltage rural power grids power distribution cabinet according to claim 6, it is characterized in that: instrument current circuit is connected with current transformer (22) by wire, voltage circuit is connected to voltage change-over switch by wire, voltage change-over switch is connected to secondary fuse (21), secondary fuse (21) other end is connected to each phase electric conductor, and indicator light (2) connects the fuse outgoing line side of every primary Ioops A, C two-phase respectively by wire.
CN201520985163.XU 2015-12-02 2015-12-02 Novel low pressure rural power grids switch board Expired - Fee Related CN205195071U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520985163.XU CN205195071U (en) 2015-12-02 2015-12-02 Novel low pressure rural power grids switch board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520985163.XU CN205195071U (en) 2015-12-02 2015-12-02 Novel low pressure rural power grids switch board

Publications (1)

Publication Number Publication Date
CN205195071U true CN205195071U (en) 2016-04-27

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ID=55788027

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520985163.XU Expired - Fee Related CN205195071U (en) 2015-12-02 2015-12-02 Novel low pressure rural power grids switch board

Country Status (1)

Country Link
CN (1) CN205195071U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110556730A (en) * 2019-10-09 2019-12-10 胜利油田恒源电气有限责任公司 Intelligent lighting low-voltage switch cabinet for petrochemical industry
CN113871226A (en) * 2021-09-10 2021-12-31 国网山东省电力公司枣庄供电公司 Locking device for preventing distribution line disconnecting link from being pulled by mistake under load

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110556730A (en) * 2019-10-09 2019-12-10 胜利油田恒源电气有限责任公司 Intelligent lighting low-voltage switch cabinet for petrochemical industry
CN113871226A (en) * 2021-09-10 2021-12-31 国网山东省电力公司枣庄供电公司 Locking device for preventing distribution line disconnecting link from being pulled by mistake under load
CN113871226B (en) * 2021-09-10 2024-05-17 国网山东省电力公司枣庄供电公司 Locking device for preventing on-load misoperation-pulling of distribution line disconnecting link

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160427

Termination date: 20211202