CN106099733A - A kind of switchgear mounting arrangement structure - Google Patents
A kind of switchgear mounting arrangement structure Download PDFInfo
- Publication number
- CN106099733A CN106099733A CN201610458369.6A CN201610458369A CN106099733A CN 106099733 A CN106099733 A CN 106099733A CN 201610458369 A CN201610458369 A CN 201610458369A CN 106099733 A CN106099733 A CN 106099733A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- cable
- bus
- mounting arrangement
- arrangement structure
- 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.)
- Pending
Links
- 230000003068 static effect Effects 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910052755 nonmetal Inorganic materials 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The open a kind of switchgear mounting arrangement structure of the present invention, including cabinet, cabinet inner route clapboard is separated out the bus-bar room being positioned at cabinet back upper place, anterior at cabinet arranges the breaker chamber adjacent with bus-bar room, the back lower place of cabinet is cable vault, movable circuit breaker cart is set in breaker chamber, when circuit breaker cart is in operating position, the upper static contact in bus-bar room is connected with the lower static contact of cable vault, main bus-bar is connected with upper static contact in introducing bus-bar room by wall bushing, lower static contact is connected with feed-out cable upper end by current transformer, feed-out cable passes cabinet by the cable cover(ing) of bottom of cabinet bulk and enters into cable duct, cabinet is fixed on ground by being arranged on the installation foundation bottom it.Integral layout of the present invention is reasonable, compact conformation, reserved access path, can overhaul on front side of cabinet in entering into cabinet easily, and easy to maintenance efficiently cabinet is mounted against a wall, reduces taking up room further, improves the switchgear suitability.
Description
Technical field
The present invention relates to power distribution equipment technical field, particularly relate to a kind of switchgear mounting arrangement structure.
Background technology
Switchgear is a kind of complete power distribution equipment, and outside line is introduced into master switch in cabinet, switchs subsequently into sub-control, respectively
Branch is needed to arrange by it, such as instrument, automatic control, motor magnetic switch, various A.C. contactors etc., have also set altitude chamber with
Low-pressure chamber switch cubicle, is provided with high voltage bus, such as power plant etc., is mainly used in power plant, medium and small generator power transmission, industrial and mineral enterprise thing
The secondary substation of industry distribution and power system by electricity, power transmission and Large-scale High-Pressure motor etc., it is carried out control protection,
Monitoring is used.
Switchgear includes cabinet and first and second element, and primary element is for receiving, transmit electric energy downwards from system
Stage load is powered, and guarantees the safe ready of interruption maintenance simultaneously, and primary equipment is mainly carried out by the main secondary component in cabinet
The low-voltage equipment supervised, control, measure, adjust and protect.
Switchgear needs the reality from field of employment, it is considered to performance parameter and the reasonable coordination of electric elements and cloth
Put, meet that floor space is few, spatial volume is little, install and use and the demand such as easy to maintenance, safe and reliable to operation.Existing switch
Equipment overall structure layout is unreasonable, installation and repairing inconvenience, and attended operation is wasted time and energy, and attended operation safety is low.
Summary of the invention
The technical assignment of the technical problem to be solved and proposition is to improve prior art, it is provided that a kind of
Switchgear mounting arrangement structure, solves switchgear layout traditional in current technology unreasonable, installation and repairing inconvenience, safeguards
The problem that operation is wasted time and energy.
For solving above technical problem, the technical scheme is that
A kind of switchgear mounting arrangement structure, including cabinet, it is characterised in that described cabinet inner route clapboard is separated out
Being positioned at the bus-bar room of cabinet back upper place, anterior at cabinet arranges the breaker chamber adjacent with bus-bar room, sets in cabinet front upper place
Putting the low-pressure chamber being assembled with low-pressure secondary control element, the back lower place of cabinet is cable vault, arranges movable in breaker chamber
Circuit breaker cart, by the upper static contact being separately positioned in bus-bar room and be arranged on electricity when circuit breaker cart is in operating position
The lower static contact connection of cable room, main bus-bar is connected with upper static contact in introducing bus-bar room by wall bushing, and lower static contact passes through
Current transformer is connected with feed-out cable upper end, and feed-out cable passes cabinet entrance by being arranged on the cable cover(ing) of bottom of cabinet bulk
Cable duct below cabinet, cabinet is fixed on ground by being arranged on the installation foundation bottom it.Switch of the present invention
Equipment mounting arrangement structure compact overall structure, takes up room little, easy to install, height safe and reliable to operation, primary element
All installing the Background Region at cabinet concentratedly, the low-pressure chamber being assembled with low-pressure secondary control element is positioned at the front top of cabinet, low
The state of the primary element of pressure linear quadratic control element switching devices is monitored, and repair and maintenance is convenient.
Further, described installation foundation is made up of angle steel, square steel or channel members, and on component, placing concrete is solid
Fixed, concrete height is less than member upper surface 1~3mm, easy for installation, and structural strength is high, it is ensured that the stability of cabinet, it is to avoid set
There is rocking in standby work, topple over.
Further, the top of described breaker chamber, bus-bar room and cable vault is respectively provided with pressure relief device, pressure relief device
Including pressure release cover plate, pressure release cover plate is the edge metallic plate to upper overturning, and the left side of pressure release cover plate is fixed by metal with cabinet
Part connects, and right side is connected by nonmetal fixture with cabinet, is provided with gap slot on the flange of the forward and backward side of pressure release cover plate,
Gap slot forms easy bending region near metal fixing side, when switchgear meets with short trouble, in cabinet in short-term
Between assemble a large amount of high thermal high gas, nonmetal anchor structure intensity is low to be easily broken off and easily melts, the high heat in cabinet
Gases at high pressure are released by top pressure relief device, and interior huge impulsive force makes the pressure release cover plate easy flex area from its strength weak
Territory is upturned, and the high thermal high gas in cabinet effectively releases, it is to avoid the situation of blast occurs, and improves the use of switchgear
Safety, the personal safety of safeguard work personnel, metal fixing guarantees that pressure release cover plate remains attached to cabinet top simultaneously, keeps away
Exempting from pressure release cover plate to fly out and wound staff, improve safety in utilization further, pressure release cover plate is detachable, convenient from cabinet top
Bus is safeguarded in installation.
Further, described current transformer is arranged on the rear wall of cabinet the output to lower static contact and is monitored,
The big electric current fed out in bus is converted into small area analysis according to electromagnetic induction principle and measures by current transformer, monitoring switch equipment
Duty, it is ensured that switchgear the most normally works.
Further, the rear wall of described cabinet is also provided with earthed switch and is connected with feed-out cable upper end, sets switch
Put and carry out power-off protection ground connection, ensure the safety of Maintenance and Repair work.
Further, the bottom of described cabinet is provided with spark gap and is connected with the stationary contact of earthed switch, to switch
Primary element in equipment plays overvoltage protection, improves safety in utilization further.
Further, the lower front of described cabinet is provided with voltage transformer and is connected with feed-out cable upper end, monitoring
Running voltage situation, can processing equipment fault in time, it is to avoid accident deteriorates.
Further, described cabinet rear wall is installed by wall, effectively reduces taking up room of cabinet, improves cabinet peace
The suitability of dress.
Further, described circuit breaker cart uses middle structure, and the middle height at cabinet arranges guide track system,
Circuit breaker cart moves forward and backward along guide track system, and pole is closer to main bus-bar, it is possible to reduce connect pole and main mother
The consumption of the branch bus of line, makes more compact structure, reduces cost of manufacture, reduces loss, reserves cabinet lower layer space convenient
Enter maintenance;And it is uneven by ground that the guide track system arranged in the middle height of cabinet avoids the movement of circuit breaker cart
Impact, can be revised with the installation of cabinet body frame, it is ensured that the stationarity that circuit breaker cart is movable so that upper contact arm,
Lower contact arm is connected with upper static contact, lower static contact exactitude position respectively, improves the reliability that chopper divides, closes a floodgate.And
Reserve access path in the bottom of breaker chamber, directly can enter the cable vault in cabinet to Current Mutual Inductance from cabinet Qianmen
The parts such as device, earthed switch are safeguarded, service work convenience and high-efficiency.
Further, described guide track system is the C-shaped guide rail being arranged on cabinet both sides, and the C of two side rails
Shape opening direction is relative, and the both sides of circuit breaker cart arrange directive wheel, and directive wheel makes circuit breaker cart in embedding guide rail c-shaped opening
Moving forward and backward along guide track system, the bob of directive wheel is played position-limiting action by C-shaped guide rail, ensures circuit breaker cart further
Movable stationarity, the alignment between upper and lower contact arm and upper and lower static contact is more preferable.
Compared with prior art, the invention has the advantages that:
Switchgear mounting arrangement structure integral layout of the present invention is reasonable, and compact conformation, primary element all collects
In be arranged on the Background Region of cabinet, be assembled with low-pressure secondary and control the low-pressure chamber of element and be positioned at the front top of cabinet, reserve inspection
Repairing passage, can overhaul equipment, repair and maintenance convenience and high-efficiency on front side of cabinet in entering into cabinet easily, cabinet leans on wall
Install, further reduce and take up room, improve the suitability of switchgear;Use the circuit breaker cart of middle, make upper and lower
During contact arm and upper and lower static contact move, grafting aligns more accurate, reduces operational heat, improve chopper divide, stably may be used of closing a floodgate
By property;Cabinet top arranges pressure release cover plate, makes the high thermal high gas in cabinet effectively release, it is to avoid the shape of blast occurs
Condition, improves the safety in utilization of switchgear, and pressure release cover plate is detachable, and convenient installation from cabinet top safeguards bus.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
The structural representation of Fig. 2 pressure release cover plate;
Fig. 3 is the structural representation of guide track system.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
A kind of switchgear mounting arrangement structure disclosed in the embodiment of the present invention, compact overall structure, installation takes up room
Little, wall can be pasted and install, reserve installation and repairing space, maintain easily maintenance.
As shown in Figure 1 to Figure 3, a kind of switchgear mounting arrangement structure, including cabinet 1, described cabinet 1 inner route clapboard
Being separated out the bus-bar room 2 being positioned at cabinet 1 back upper place, anterior at cabinet 1 arranges the breaker chamber 3 adjacent with bus-bar room 2, at cabinet
Body 1 front upper place arranges the low-pressure chamber 4 being assembled with low-pressure secondary control element, and the back lower place of cabinet 1 is cable vault 5, breaker chamber 3
Movable circuit breaker cart 6 is inside set, will be separately positioned in bus-bar room 2 when circuit breaker cart 6 is in operating position
Upper static contact 7 connects with the lower static contact 8 being arranged on cable vault 5, main bus-bar 9 by wall bushing 10 introduce in bus-bar room 2 with
Upper static contact 7 connects, and lower static contact 8 is connected with feed-out cable 11 upper end by current transformer 16, and feed-out cable 11 is by setting
Putting the cable cover(ing) 12 bottom cabinet 1 to pass cabinet and enter into the cable duct 13 below cabinet 1, cabinet 1 is by being arranged on it
The installation foundation 14 of bottom is fixed on ground, and installation foundation 14 is made up of angle steel, square steel or channel members, and on component, pouring is mixed
Solidifying soil is fixing, and concrete height is less than member upper surface 1~3mm, easy for installation, and structural strength is high.During circuit breaker cart 6 uses
Putting formula structure, the middle height at cabinet arranges guide track system, and circuit breaker cart 6 moves forward and backward along guide track system, and disconnected
The bottom of device room, road 3 reserves access path 20, can overhaul, therefore by cabinet on front side of cabinet in being directly entered cabinet
1 rear wall is installed by wall, reduces installation further and takes up room, improves and install the suitability.
In the present embodiment, guide track system is the C-shaped guide rail 21 being arranged on cabinet both sides, and two side rails 21
C-shaped opening direction is relative, and the both sides of circuit breaker cart 6 arrange directive wheel 22, and directive wheel 22 makes to break in embedding guide rail 21C shape opening
Road device handcart 6 moves forward and backward along guide track system.
The top of breaker chamber 3, bus-bar room 2 and cable vault 5 is respectively provided with pressure relief device, and pressure relief device includes pressure release cover plate
15, pressure release cover plate 15 is the edge metallic plate to upper overturning, and the left side of pressure release cover plate 15 is with cabinet 1 by metal fixing even
Connecing, right side is connected by nonmetal fixture with cabinet 1, is provided with gap slot on the flange of the forward and backward side of pressure release cover plate 15, lacks
Mouth groove forms easy bending region near metal fixing side, and pressure release cover plate is detachable, and convenient installation from cabinet top is tieed up
Protect bus.
Arranging current transformer 16 and earthed switch 17 on the rear wall of cabinet 1, the output of lower static contact 8 is sequentially connected with electric current
Transformer 16 and feed-out cable 11, be connected with feed-out cable 11 upper end after earthed switch 17, and the bottom of cabinet 1 is provided with spark gap
18 are connected with the stationary contact of earthed switch 17, and the lower front of cabinet 1 is provided with on voltage transformer 19 and feed-out cable 11
End connects, and electric current, voltage condition are monitored by current transformer 16, voltage transformer 19 respectively, it is ensured that find fault in time,
Reduction accident is damaged, and in spark gap switching devices, other primary element plays overvoltage protection effect, and earthed switch sets for switch
Standby power-off protection ground connection.
Below it is only the preferred embodiment of the present invention, it is noted that it is right that above-mentioned preferred implementation is not construed as
The restriction of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, it is also possible to make some improvements and modifications, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (10)
1. a switchgear mounting arrangement structure, including cabinet (1), it is characterised in that described cabinet (1) inner route clapboard divides
Being separated out the bus-bar room (2) being positioned at cabinet (1) back upper place, anterior at cabinet (1) arranges the breaker chamber adjacent with bus-bar room (2)
(3), arranging the low-pressure chamber (4) being assembled with low-pressure secondary control element in cabinet (1) front upper place, the back lower place of cabinet (1) is electricity
Cable room (5), arranges movable circuit breaker cart (6), when circuit breaker cart (6) is in operating position in breaker chamber (3)
The upper static contact (7) being separately positioned in bus-bar room (2) is connected with the lower static contact (8) being arranged on cable vault (5), main bus-bar
(9) being connected with upper static contact (7) in introducing bus-bar room (2) by wall bushing (10), lower static contact (8) passes through current transformer
(16) being connected with feed-out cable (11) upper end, feed-out cable (11) is worn by being arranged on the cable cover(ing) (12) of cabinet (1) bottom
Going out cabinet and enter into the cable duct (13) of cabinet (1) lower section, cabinet (1) is fixed by being arranged on the installation foundation (14) bottom it
On ground.
Switchgear mounting arrangement structure the most according to claim 1, it is characterised in that described installation foundation (14) by
Angle steel, square steel or channel members composition, on component, placing concrete is fixed, concrete height less than member upper surface 1~
3mm。
Switchgear mounting arrangement structure the most according to claim 1, it is characterised in that described breaker chamber (3), female
The top of line room (2) and cable vault (5) is respectively provided with pressure relief device, and pressure relief device includes pressure release cover plate (15), pressure release cover plate
(15) being the edge metallic plate to upper overturning, the left side of pressure release cover plate (15) is connected by metal fixing with cabinet (1), right side
It is connected by nonmetal fixture with cabinet (1), the flange of pressure release cover plate (15) forward and backward side is provided with gap slot, breach
Groove forms easy bending region near metal fixing side.
Switchgear mounting arrangement structure the most according to claim 1, it is characterised in that described current transformer (16)
It is arranged on the rear wall of cabinet (1) output to lower static contact (8) to be monitored.
Switchgear mounting arrangement structure the most according to claim 1, it is characterised in that the rear wall of described cabinet (1)
It is also provided with earthed switch (17) to be connected with feed-out cable (11) upper end.
Switchgear mounting arrangement structure the most according to claim 5, it is characterised in that the bottom of described cabinet (1)
It is provided with spark gap (18) to be connected with the stationary contact of earthed switch (17).
Switchgear mounting arrangement structure the most according to claim 1, it is characterised in that the bottom of described cabinet (1)
Front side is provided with voltage transformer (19) and is connected with feed-out cable (11) upper end.
Switchgear mounting arrangement structure the most according to claim 1, it is characterised in that described cabinet (1) rear wall leans on
Wall is installed.
Switchgear mounting arrangement structure the most according to claim 1, it is characterised in that described circuit breaker cart (6)
Using middle structure, the middle height at cabinet arranges guide track system, and circuit breaker cart (6) moves forward and backward along guide track system,
And reserve access path (20) in the bottom of breaker chamber (3).
Switchgear mounting arrangement structure the most according to claim 9, it is characterised in that described guide track system is for setting
Put the C-shaped guide rail (21) in cabinet both sides, and the c-shaped opening direction of two side rails (21) is relative, circuit breaker cart (6)
Both sides directive wheel (22) is set, directive wheel (22) makes circuit breaker cart (6) along guide track system in embedding guide rail (21) c-shaped opening
Movable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458369.6A CN106099733A (en) | 2016-06-22 | 2016-06-22 | A kind of switchgear mounting arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458369.6A CN106099733A (en) | 2016-06-22 | 2016-06-22 | A kind of switchgear mounting arrangement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106099733A true CN106099733A (en) | 2016-11-09 |
Family
ID=57237979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610458369.6A Pending CN106099733A (en) | 2016-06-22 | 2016-06-22 | A kind of switchgear mounting arrangement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106099733A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947002A (en) * | 2017-11-13 | 2018-04-20 | 上海基胜能源股份有限公司 | A kind of Novel switch cabinet |
| CN111817156A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | A high voltage switch cabinet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201444550U (en) * | 2009-07-03 | 2010-04-28 | 青岛特锐德电气股份有限公司 | Armored moving high-voltage switch cabinet |
| CN202231337U (en) * | 2011-09-26 | 2012-05-23 | 法泰电器(江苏)股份有限公司 | Armoured withdrawable alternating current metal-enclosed switchgear |
| CN202550364U (en) * | 2012-04-10 | 2012-11-21 | 湖南京湘电气有限公司 | High voltage switch cabinet |
| CN202957513U (en) * | 2012-11-19 | 2013-05-29 | 浙江瑞丰电气成套有限公司 | Metal sealed switch cabinet with centrally-positioned armor |
| CN203553648U (en) * | 2013-11-15 | 2014-04-16 | 成都航利电气有限公司 | High-voltage switch cabinet |
| CN203747282U (en) * | 2014-03-08 | 2014-07-30 | 宁波耐吉力科电气科技有限公司 | Armored moved type AC metal enclosed switchgear |
-
2016
- 2016-06-22 CN CN201610458369.6A patent/CN106099733A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201444550U (en) * | 2009-07-03 | 2010-04-28 | 青岛特锐德电气股份有限公司 | Armored moving high-voltage switch cabinet |
| CN202231337U (en) * | 2011-09-26 | 2012-05-23 | 法泰电器(江苏)股份有限公司 | Armoured withdrawable alternating current metal-enclosed switchgear |
| CN202550364U (en) * | 2012-04-10 | 2012-11-21 | 湖南京湘电气有限公司 | High voltage switch cabinet |
| CN202957513U (en) * | 2012-11-19 | 2013-05-29 | 浙江瑞丰电气成套有限公司 | Metal sealed switch cabinet with centrally-positioned armor |
| CN203553648U (en) * | 2013-11-15 | 2014-04-16 | 成都航利电气有限公司 | High-voltage switch cabinet |
| CN203747282U (en) * | 2014-03-08 | 2014-07-30 | 宁波耐吉力科电气科技有限公司 | Armored moved type AC metal enclosed switchgear |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947002A (en) * | 2017-11-13 | 2018-04-20 | 上海基胜能源股份有限公司 | A kind of Novel switch cabinet |
| CN107947002B (en) * | 2017-11-13 | 2023-12-22 | 上海基胜能源股份有限公司 | Switch cabinet |
| CN111817156A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | A high voltage switch cabinet |
| CN111817156B (en) * | 2020-06-27 | 2022-02-15 | 浙江天润电气有限公司 | High-voltage switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103367059B (en) | A kind of high-voltage intelligent circuit breaker | |
| CN105375376A (en) | Combined substation electrical switch cabinet | |
| CN106099733A (en) | A kind of switchgear mounting arrangement structure | |
| CN105977854A (en) | Compact switch device | |
| CN201111318Y (en) | Overhead combined box type transformer station | |
| CN209860412U (en) | Switchgear | |
| CN203596530U (en) | Armored type metal enclosing switch cabinet with transformer chamber and fuse handcart | |
| CN201444550U (en) | Armored moving high-voltage switch cabinet | |
| CN203596533U (en) | Overhead inlet wire armour metal enclosed switchgear having withdrawable vacuum circuit breaker | |
| CN202488027U (en) | Armored movable alternating-current metal-enclosed switch cabinet | |
| CN111585204A (en) | A stacked double transformer railway power box transformer | |
| CN205195050U (en) | Cubical switchboard of reliable power supply | |
| CN202997395U (en) | Armored metal-enclosed switch cabinet with voltage transformer handcart | |
| CN205846554U (en) | A kind of handcart-type middle-placed switch cabinet | |
| CN105071246A (en) | AC low-voltage power distribution cabinet | |
| CN204947420U (en) | Prefabricated substation switch cabinet | |
| CN202997406U (en) | Armored metal-enclosed switch cabinet with transformer chamber | |
| CN202841734U (en) | Control box of monitoring equipment | |
| CN202513455U (en) | Electrical interlocking device for transformer room net door of prefabricated substation | |
| CN201742015U (en) | Railroad phase segment vacuum switch cabinet | |
| CN203103825U (en) | Overhead outgoing wire and load switch cabinet for armoured-type metal-enclosed switchgear | |
| CN207165936U (en) | A kind of voltage switchgear | |
| CN204290140U (en) | With thus sentence the armored withdraw type metal enclosed switch cabinet of device | |
| CN206834555U (en) | Telemechanical type railway power source special | |
| CN204290147U (en) | With the Sheathed metal closed switch cabinet of current transformer handcart |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |