CN201315436Y - Minitype armored movable metal closed switch device - Google Patents
Minitype armored movable metal closed switch device Download PDFInfo
- Publication number
- CN201315436Y CN201315436Y CNU2008201712380U CN200820171238U CN201315436Y CN 201315436 Y CN201315436 Y CN 201315436Y CN U2008201712380 U CNU2008201712380 U CN U2008201712380U CN 200820171238 U CN200820171238 U CN 200820171238U CN 201315436 Y CN201315436 Y CN 201315436Y
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- CN
- China
- Prior art keywords
- handcart
- type metal
- metal enclosed
- compartment
- enclosed switchgear
- 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 - Lifetime
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- 239000002184 metal Substances 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000001141 propulsive effect Effects 0.000 claims description 10
- 229910018503 SF6 Inorganic materials 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 3
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 abstract description 4
- 230000005520 electrodynamics Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 24
- 238000012423 maintenance Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000005269 aluminizing Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
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Abstract
The utility model relates to a minitype armored movable metal closed switch device. A main bus compartment, a relay instrument compartment and a cable compartment are arranged in a cabinet body; the relay instrument compartment is located at the upper part of the front part of the armored cabinet body; the main bus compartment is located at one side of the relay instrument compartment; a handcart compartment is arranged at the lower part of the relay instrument compartment; a breaker handcart is arranged in the handcart compartment; and the cable compartment is arranged at the lower rear part of the armored cabinet body. The armored movable metal closed switch device has the advantages that: firstly, the compartments are separated through grounded metal plates, thus effectively preventing the extension of the electric arc and increasing the safety and reliability of the equipment; secondly, pressure relief channels are arranged in the compartments, thus realizing overhaul without cutting off the power; thirdly, with the arrangement of the handcart, the equipment is higher in module integration degree and is convenient to install, debug, maintain and operate; fourthly, the arrangement of a nut propulsion mechanism and an overrunning clutch used for adjustment can prevent the jump of the handcart caused by electrodynamic force, thus avoiding accidents; and fifthly, the interlocking arrangement of the breaker handcart, the grounded switch and the cabinet door helps to realize the requirement of preventing five types of phenomena.
Description
Technical field
The utility model relates to a kind of three-phase ac power system that is used for to be accepted and distributes electric energy and power circuit is played the armored withdraw type metal enclosed switchgear of miniaturization of effective control, protection and monitoring, belongs to power equipment and makes the field.
Background technology
Along with developing rapidly of science and technology, in electric power system at present, the design of armored withdraw type metal enclosed switchgear, because layout is unreasonable, not only maintenance difficulty, and lack enough safety guarantee and safety measure, both be unfavorable for the safe operation of equipment and maintenance fast, also can't realize the quick assembling and the debugging of equipment, and lack operability.
Summary of the invention
Purpose of design: avoid the weak point in the background technology, design a kind of both convenient assembling fast, easy access again, and the armored withdraw type metal enclosed switchgear of safe miniaturization.
Design: in order to realize above-mentioned purpose of design.1, cabinet adopts the design of package assembly, is one of feature of the utility model design.The purpose of doing like this is: not only improved the quality of fit of handcart and cabinet, and can organize production, assembling rapidly, and had the characteristics of good looking appearance.2, between main bus bar chamber, relay control room and the cable vault and adopt the metal partion (metp) of ground connection to separate design, be the utility model design feature two.The purpose of doing like this is: both increased the independence and the fail safe of each chamber, can stop the extension of electric arc effectively again, thereby issuable fault is limited in the very little scope.3, the design of handcart chamber, main bus bar chamber, relay control room and cable vault's pressure release passage, be the utility model design feature three.The purpose of doing like this is: when certain part need be changed element or maintenance, do not need full cabinet to have a power failure, only need to cut off element two ends power supply, the maintenance personal can enter this chamber safely.4, the main bus bar of main bus bar chamber is a sectionalized bus, the design that separates with bus casing between adjacent cabinet, be wooden utility model feature four.The purpose of doing like this is: can not only prevent effectively that accident from spreading, and main bus bar is played the supplemental support effect.5, the design of valve is housed before the contact box, is five of feature of the present utility model.The purpose of doing like this is: valve moves to from disconnection/test position at handcart and opens automatically the process of service position when moving in the other direction up and down, closes automatically, forms effectively and isolates.6, the design of circuit breaker handcart is six of a feature of the present utility model.The purpose of doing like this is: circuit breaker cart has only when in disconnection/test position or service position, circuit breaker just can carry out closing operation, and behind breaker closing, the propulsive mechanism of circuit breaker cart can't be operated push-and-pull, to prevent on-load push-and-pull circuit breaker cart.7, circuit breaker cart is by regulating the design that feed screw nut's propulsive mechanism and freewheel clutch are regulated, be the utility model design feature seven.The purpose of doing like this is: feed screw nut's propulsive mechanism can be operated like a cork circuit breaker cart is moved between disconnection, test and service position, self-locking performance by the feed screw nut can make circuit breaker cart be positively locked in the service position, prevent to cause that because of electrodynamic effect the handcart play is accidents caused, cooperating freewheel clutch to move at handcart simultaneously works when retreating to the service position, operating axis and screw axis are automatically broken away from and dally, can prevent misoperation and damage propulsive mechanism.8, the interlocking between circuit breaker cart, earthed switch and the cabinet door all adopts the design of mandatory mechanical latching mode, be the utility model design feature eight.The purpose of doing like this is: satisfy five anti-requirements, guaranteed electric consumer's the personal safety and the safety of equipment.
Technical scheme: the armored withdraw type metal enclosed switchgear of miniaturization, comprise the armouring cabinet, be provided with main bus bar chamber, relay control room and cable vault in the cabinet, the relay control room is positioned at the top of armouring cabinet front portion, the main bus bar chamber is positioned at a side of relay control room, bottom, relay control room is the handcart chamber, and it is indoor that circuit breaker cart is positioned at handcart, and the cable vault is positioned at armouring cabinet lower rear.
The utility model is compared with background technology, and the one, between main bus bar chamber, relay control room and the cable vault and adopt the metal partion (metp) of ground connection to separate design, stop the extension of electric arc effectively, increased the security reliability of equipment; The 2nd, the design of handcart chamber, main bus bar chamber, relay control room and cable vault's pressure release passage has realized not interruption maintenance of full cabinet; The 3rd, the design of circuit breaker handcart makes the design of equipment more modular integrated, convenient installation, debugging, maintenance and operation; The 4th, the design that nut propulsive mechanism and freewheel clutch are regulated prevents to cause that because of electrodynamic effect the handcart play is accidents caused; The 5th, the design of the interlock between circuit breaker cart, earthed switch and the cabinet door has realized five requirements of preventing.
Description of drawings
Fig. 1 is the armored withdraw type metal enclosed switchgear structural representation of miniaturization.
Fig. 2 is the front view of the armored withdraw type metal enclosed switchgear of miniaturization.
Embodiment
Embodiment 1: with reference to accompanying drawing 1～2.The armored withdraw type metal enclosed switchgear of miniaturization comprises armouring cabinet 1, and pressure relief device 13 is equipped with in the upper end of cabinet 1, and cabinet 1 employing aluminizing zine plate bends by bolt and assembles, and is convenient to tissue production fast, assembling.Be provided with main bus bar chamber 12, relay control room 9 and cable vault 18 in the cabinet 1, main bus bar chamber 12, relay control room 9 and cable vault 18 adopt metallic plate to cut apart.Relay control room 9 is positioned at the top of armouring cabinet 1 front portion, and main bus bar chamber 12 is positioned at a side of relay control room 9, and relay instrument door 8 is equipped with in circuit breaker meter chamber 9; The main bus bar of main bus bar chamber 12 is a sectionalized bus, separates with bus casing between adjacent cabinet.9 bottoms, relay control room are handcart chamber 2, and circuit breaker cart 3 is positioned at handcart chamber 2, and handcart door 4 is equipped with in handcart chamber 2.Cable vault 18 is positioned at armouring cabinet 1 lower rear; Current transformer 20 terminals are connected with circuit breaker 7 terminals, the cable clip 19 in the cable vault 18 in the circuit breaker cart 3 respectively, circuit breaker is all insulation vacuum circuit-breaker or import sulfur hexafluoride breaker and is connected with secondary plug 6 that circuit breaker cart 3 vehicle frames are equipped with feed screw nut's propulsive mechanism 5 and freewheel clutch.Valve 10 is housed before the contact box 11.Handcart chamber 2, main bus bar chamber 12 and cable vault 18 are equipped with independently pressure release passage.When using, the feed screw nut's propulsive mechanism 5 that is positioned on the handcart chamber door 4 by adjusting just can make handcart from disconnecting, move between test position and the service position, self-locking performance by the feed screw nut can make handcart be positively locked in the service position, and the effect of cooperation freewheel clutch, make operating axis and screw mandrel break away from idle running automatically, prevent misoperation and damage propulsive mechanism, simultaneously in the handcart moving process, on before the contact box 11, two metal dampers 10 are opened automatically down, when circuit breaker cart 3 is fallen back in the open position process by the service position, on, two valve are closed automatically down, isolate thereby form effectively, handcart secondary plug 6 when work can't be pulled out simultaneously, thereby has realized preventing charged mistake splice grafting ground switch, really accomplish mandatory mechanical latching, satisfied five functions of preventing.Be provided with main bus bar chamber 12, relay control room 9 and cable vault 18 in the cabinet 1, main bus bar chamber 12, relay control room 9 and cable vault 18 adopt metallic plate to cut apart.Relay control room 9 is positioned at the top of armouring cabinet 1 front portion, and main bus bar chamber 12 is positioned at a side of relay control room 9, and relay instrument door 8 is equipped with in circuit breaker meter chamber 9; The main bus bar of main bus bar chamber 12 is a sectionalized bus, separates with bus casing between adjacent cabinet.The main bus bar of main bus bar chamber is that product shape is arranged and is sectionalized bus in the cabinet, uses case off between adjacent cabinet, adopts isolated bus, alternate and connector to have insulating case in the major loop, can prevent spreading of accident effectively; The earthed switch of back upper cover plate 14 positions in the cable vault has higher making capability and is integrated with the monitoring voltage insulator, thereby has avoided because misoperation suffers damage equipment.When earthed switch 16 only is in gate-dividing state; circuit breaker cart could move to the service position from disconnection, test position; bus by the fixed contact box is connected with current transformer 20; thereby for the coil of measurement mechanism and relaying protection provides electric current; primary equipment and secondary device are isolated, protected equipment and user's safety.9 bottoms, relay control room are handcart chamber 2, and circuit breaker cart 3 is positioned at handcart chamber 2, and handcart door 4 is equipped with in handcart chamber 2.Cable vault 18 is positioned at armouring cabinet 1 lower rear; Current transformer 20 terminals are connected with circuit breaker 7 terminals, the cable clip 19 in the cable vault 18 in the circuit breaker cart 3 respectively, circuit breaker is all insulation vacuum circuit-breaker or import sulfur hexafluoride breaker and is connected with secondary plug 6 that circuit breaker cart 3 vehicle frames are equipped with feed screw nut's propulsive mechanism 5 and freewheel clutch.Valve 10 is housed before the contact box 11.Handcart chamber 2, main bus bar chamber 12 and cable vault 18 are equipped with independently pressure release passage.Pressure and gas that built-in pressure relief device 13 (except that the relay control room) can produce internal fault electric arc effectively excrete out, to guarantee the safety of operating personnel and switch cubicle.
When circuit breaker need overhaul, at first make circuit breaker be in gate-dividing state, opening handcart chamber door 4, overhaul and safeguard.
What need understand is: though the foregoing description is to the utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to the restriction of utility model mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection range of the present utility model.
Claims (11)
1, the armored withdraw type metal enclosed switchgear of a kind of miniaturization, comprise the armouring cabinet, be provided with main bus bar chamber, relay control room and cable vault in the cabinet, it is characterized in that: the relay control room is positioned at the top of armouring cabinet front portion, the main bus bar chamber is positioned at a side of relay control room, bottom, relay control room is the handcart chamber, and it is indoor that circuit breaker cart is positioned at handcart, and the cable vault is positioned at armouring cabinet lower rear.
2, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1 is characterized in that: the current transformer terminals are connected with breaker terminal, the cable clip in the cable vault in the circuit breaker cart respectively.
3, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1 is characterized in that: circuit breaker is all insulation vacuum circuit-breaker or import sulfur hexafluoride breaker and is connected with secondary plug.
4, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1, it is characterized in that: the circuit breaker cart vehicle frame is equipped with feed screw nut's propulsive mechanism and freewheel clutch.
5, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1 is characterized in that: the main bus bar of main bus bar chamber is a sectionalized bus, separates with bus casing between adjacent cabinet.
6, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1 is characterized in that: relay instrument door is equipped with in the circuit breaker meter chamber.
7, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1, it is characterized in that: the handcart door is equipped with in the handcart chamber.
8, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1, it is characterized in that: pressure relief device is equipped with in the upper end of cabinet.
9, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1 is characterized in that: valve is housed before the contact box.
10, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1 is characterized in that: main bus bar chamber, relay control room and cable vault adopt metallic plate to cut apart.
11, the armored withdraw type metal enclosed switchgear of miniaturization according to claim 1 is characterized in that: handcart chamber, main bus bar chamber and cable vault are equipped with independently pressure release passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201712380U CN201315436Y (en) | 2008-12-25 | 2008-12-25 | Minitype armored movable metal closed switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201712380U CN201315436Y (en) | 2008-12-25 | 2008-12-25 | Minitype armored movable metal closed switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201315436Y true CN201315436Y (en) | 2009-09-23 |
Family
ID=41127236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201712380U Expired - Lifetime CN201315436Y (en) | 2008-12-25 | 2008-12-25 | Minitype armored movable metal closed switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201315436Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460066A (en) * | 2019-08-30 | 2019-11-15 | 常州博瑞电力自动化设备有限公司 | A kind of box distribution series compensation device |
-
2008
- 2008-12-25 CN CNU2008201712380U patent/CN201315436Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460066A (en) * | 2019-08-30 | 2019-11-15 | 常州博瑞电力自动化设备有限公司 | A kind of box distribution series compensation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA STATE GRID ZHEJIAN Effective date: 20140416 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311100 HANGZHOU, ZHEJIANG PROVINCE TO: 311199 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140416 Address after: 311199 Yuhang City, Hangzhou Province Star Bridge Street Star Bridge North Road, No. 165, No. Patentee after: ZHEJIANG TRULY ELECTRIC CO., LTD. Patentee after: State Grid Corporation of China Patentee after: State Grid Zhejiang Hangzhou Yuhang District Power Supply Company Patentee after: Hangzhou Power Supply Company, State Grid Zhejiang Electric Power Company Patentee after: State Grid Zhejiang Electric Power Company Address before: 311100, No. 165 North Star Bridge Road, Star Bridge Street, Yuhang District, Zhejiang, Hangzhou Patentee before: ZHEJIANG TRULY ELECTRIC CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090923 |