CN107171263A - A kind of bus duct power distribution equipment - Google Patents
A kind of bus duct power distribution equipment Download PDFInfo
- Publication number
- CN107171263A CN107171263A CN201710515715.4A CN201710515715A CN107171263A CN 107171263 A CN107171263 A CN 107171263A CN 201710515715 A CN201710515715 A CN 201710515715A CN 107171263 A CN107171263 A CN 107171263A
- Authority
- CN
- China
- Prior art keywords
- bus duct
- cell body
- conductor
- duct cell
- power distribution
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/04—Partially-enclosed installations, e.g. in ducts and adapted for sliding or rolling current collection
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The invention provides a kind of bus duct power distribution equipment, what the bus duct cell body and being connected to that transmission electric current is connected including the port case for power supply, with port case picked out electric current on bus duct cell body patches case, bus duct cell body is the inversion slot type structure of open lower side, conduit direction is provided with insulating support inside bus duct cell body, insulating support includes several conductor accommodating chambers being set up in parallel along conduit direction, patches fixed mechanism of the case including housing, for installing connection with bus duct cell body, the conductive mechanism for contacting derived current with conductor；The bus duct cell body volume of the present invention is minimum, occupy little space when mounted, and profile is succinctly attractive in appearance, bus duct cell body volume, which reduces, simultaneously also reduces production cost, it is easy to mass produce and sells, adds productivity effect, it is of the invention to patch case and bus duct cell body installation process is simple and convenient, it is time saving and energy saving, also improve the operating efficiency during electric power distribution.
Description
Technical field
The present invention relates to controller switching equipment field, and in particular to a kind of bus duct power distribution equipment.
Background technology
Modern society's Urban-rural Development is rapid, and the demand to supply of electric power is also advanced by leaps and bounds accordingly, especially in large scale computer
In room, large-scale workshop and skyscraper, traditional cable type power transmission mode can not increasingly meet power reguirements,
Therefore this power distribution equipment of bus duct is occurred in that.
Bus duct is a kind of efficient power distribution equipment, has excellent effect in reasonable distribution and high current safety power transmission
Really, skyscraper and large-scale production electricity consumption are especially adapted to；Bus duct generally includes to provide the port case of power supply, transmits electric current
Bus duct cell body and connect lower electric current to load patch case, wherein bus duct cell body is used as shell, busbar conduct by metallic plate
Power transmission conductor, using insulating materials as separation layer, adds other relevant elements and constitutes a power transmitting device, then coordinates and patch case
Electric current is linked into load by connection busbar.Bus duct system meets the modern required flexibility of transmission of electricity, plug and play
Property, the brand-new characteristics of power supply of hot plug and full point bit strip point, can be with outstanding completion modern industry electricity consumption and residential electricity consumption
High current transmission of electricity work.
Application No. CN201420457180 Chinese patent proposes a kind of bus duct device, by being symmetrical arranged two-by-two
Conductor and plug rotatable engagement pick out electric current, substantially met the power reguirements of bus duct device, but actually make
Suitable deficiency is also there is during, wherein：Cause bus duct cell body bulky to accommodate plug, installing
When need take larger space, be unfavorable for the wiring in data center or midget plant workshop, waste substantial amounts of raw material,
Improve production cost；Case is patched to be attached by connecting bolt mating connection part with bus groove body, install and
Two sets of bolts are loaded and unloaded during dismounting, cumbersome time-consuming, operating efficiency is low.
The content of the invention
It is existing to solve the invention provides a kind of bus duct power distribution equipment for the deficiency in the presence of prior art
Bus duct cell body volume of the bus duct power distribution equipment caused by its structure it is big, install that space-consuming is big, manufacturing cost is high, together
When the coupling part that patches between case and bus groove body it is complicated, thus installation process is also cumbersome time-consuming, inefficiency
The problem of.
To achieve the above object, present invention employs following technical scheme：
A kind of bus duct power distribution equipment, including port case for power supply, the bus duct for being connected with port case transmission electric current
Cell body and the case that patches that electric current is picked out on bus duct cell body is connected to, the bus duct cell body is the inversion slot type of open lower side
It is provided with structure, and two side inside inside neck, bus duct cell body along conduit direction and is provided with insulating support, it is described exhausted
Edge cradle top is connected with conduit inwall, and insulating support includes several conductor accommodating chambers being set up in parallel along conduit direction, institute
The conductor accommodating chamber open lower side stated, is inwardly formed close to bottom end and is provided with section in symmetrical projection, conductor accommodating chamber and is
The conductor of " Π " shape；
The case that patches is including housing, for installing the fixed mechanism connected with bus duct cell body, for being contacted with conductor
The position of correspondence conductor accommodating chamber on the upside of the conductive mechanism of derived current and the operation element being arranged in housing, the housing
Direction is provided with strip gab；Described fixed mechanism includes housing upper edge along symmetrically arranged section of strip gab direction
Face is the clamp of square brackets " [" and "] " shape, the dop that the clamp top is inwardly stretched out and the neck on bus duct groove body sidewall
Coordinate and be fixed on so as to which case will be patched on bus duct cell body；The conductive mechanism includes being correspondingly arranged in strip gab and conductor
The conducting strip being engaged, the conducting strip is connected by transmission device with being arranged on the control crank of hull outside, so as to control
Contact of the conducting strip with conductor is with separating.
Compared to prior art, the present invention has the advantages that：
1st, conductor is closely set side by side in bus duct cell body of the invention, and bus duct cell body volume is minimum, only accommodates necessary
Conductor and insulating support structure, occupy little space when mounted, be conducive to using in data center and midget plant workshop,
And profile is succinctly attractive in appearance, while bus duct cell body volume, which reduces, also reduces production cost, it is easy to mass produce and sells, increases
Productivity effect is added；
2nd, of the invention patch case and bus duct cell body are connected by clamp and neck, are matched somebody with somebody without other any auxiliary
Part can be completed to patch the handling of case, and installation process is only needed to slide back and forth clamp and fixed respectively, simple and convenient, time saving province
Power, also improves the operating efficiency during electric power distribution.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the sectional view of bus duct cell body of the present invention；
Fig. 3 patches the schematic diagram of case for the present invention；
Fig. 4 is the schematic diagram of bindiny mechanism of the present invention；
Fig. 5 is patches the connection diagram of case and bus duct cell body in the present invention；
Fig. 6 is the schematic diagram of transmission device in the embodiment of the present invention 1；
Fig. 7 is the schematic diagram of transmission device in the embodiment of the present invention 2；
Fig. 8 is the schematic diagram of conductor in the embodiment of the present invention 1；
Fig. 9 is the schematic diagram of conductor in the embodiment of the present invention 3；
In figure：1 port case, 2 bus duct cell bodies, 3 patch case, 4 bindiny mechanisms, 5 cell body plugs, 21 insulating supports, and 22 lead
Body, 23 necks, 24 is raised, 25 conductor accommodating chambers, 31 strip gabs, 32 clamps, 33 dops, 34 conducting strips, 35 control cranks, 36
Transmission device, 37 elastic ground pads, 41 connection sheets, 42 fixed supports, 43 insulating support rods, 44 cover plates, 321 chutes, 361 pass
Lever, 362 follower levers, 363 gears, 364 connecting rods, 365 connecting brackets.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to the technical scheme in the present invention.
Embodiment 1：
As shown in Fig. 1-6 and Fig. 8, the present invention proposes a kind of bus duct power distribution equipment, including the port case for power supply
1st, be connected with port case 1 that the bus duct cell body 2 of transmission electric current and being connected to picks out electric current on bus duct cell body 2 patches case 3,
Wherein：
The bus duct cell body 2 is the inversion slot type structure of open lower side, and is provided with inside neck 23 on two side,
Conduit direction is provided with insulating support 21 inside bus duct cell body 2, the top of insulating support 21 is connected with conduit inwall, absolutely
Edge support 21 includes the quantity of conductor accommodating chamber 25 in several conductor accommodating chambers 25 being set up in parallel along conduit direction, the present embodiment
For four, the described open lower side of conductor accommodating chamber 25 is inwardly formed symmetrical projection 24, conductor accommodating chamber 25 close to bottom end
The conductor 22 that section is " Π " shape is inside provided with, conductor 22 is set by the above-mentioned card of projection 24 and is fixed in conductor accommodating chamber 25,
Conductor 22 has flanging structure in the present embodiment, can preferably coordinate the shape of conductor accommodating chamber 25 to carry out fixed conductor 22,
The elasticity and toughness of conductor 22 can also be strengthened, extend its service life.
Also include the bindiny mechanism 4 for the different bus duct cell bodies 2 that are connected, the bindiny mechanism 4 includes and conductor
22 are engaged and the corresponding connection sheet 41 of quantity, and the connection sheet 41 is run through and one-to-one with conductor 22 by fixed support 42
Fixed, the described bottom of fixed support 42 is provided with insulating support rod 43, and bindiny mechanism 4 also includes the cover plate of setting symmetrical above and below
44, the shape of cover plate 44 coordinates with bus duct cell body 2, laminating up and down can close connection sheet 41；Also include being arranged on bus duct
The cell body plug 5 of the end of cell body 2, the described shape of cell body plug 5 is engaged with the cross sectional shape of bus duct cell body 2, and is correspondingly led
Body 22 is provided with cap, and conductor 22 can be contained in in cap the simultaneously end of enclosed busbar groove cell body 2.
It is described patch case 3 including housing, for bus duct cell body 2 install be connected fixed mechanism, for conductor 22
Correspondence conductor accommodating chamber 25 on the upside of the operation element for contacting the conductive mechanism of derived current and being arranged in housing, the housing
Position and direction be provided with strip gab 31；Described fixed mechanism includes housing upper edge along the direction pair of strip gab 31
The section set is called the clamp 32 of square brackets " [" and "] " shape, dop 33 and bus duct that the top of clamp 32 is inwardly stretched out
Neck 23 on the side wall of cell body 2 coordinates to be fixed on bus duct cell body 2 so as to patch case 3, in two pieces of clamps 32, one piece of fixation
On housing, another piece of bottom is provided with chute 321, is available for the direction of 32 vertical bus groove cell body of clamp 2 to slide, so as to dismantle or pacify
The screw that chute 321 is provided through on attaching subrack 3, housing is fixed；The conductive mechanism includes being correspondingly arranged at bar
The conducting strip 34 being engaged in shape opening 31 with conductor 22, the conducting strip 34 is by transmission device 36 and is arranged on hull outside
Control crank 35 connect, so as to control the contact with conductor 22 of conducting strip 34 with separating, in the present embodiment, the transmission device
36 include the drive link 361 and follower lever 362 that vertical conduction piece 34 is set, and the drive link 361 is connected with control crank 35, from
Lever 362 is connected with conducting strip 34, and the drive link 361 and follower lever 362 work as control crank by the drive connection of gear 363
When 35 drive drive links 361 are rotated, drive link 361 passes through gear 363 and transmits power to follower lever 362, drives 362 turns of follower lever
It is dynamic, so that horizontally disposed conducting strip 34 in the housing is rotated into vertical state, through strip gab 31 and it is caught in conductor 22
It is interior；It is described to patch on the shell of case 3, two pieces of elastic ground pads 37, the elasticity ground connection are also symmetrically arranged with by strip gab 31
The one end of pad 37 is fixed on shell, and the other end is outward-dipping, and the peace of ground connection can be played by being resisted against the bottom of insulating support 21
Full protection is acted on, while immediately subrack 3 can be pressed downward, prevents from patching case 3 because external force produces slip on bus duct cell body 2.
The present invention to install and use process as follows：
When mounted, the lifting of bus duct cell body 2 of each segmentation is fixed on according to advance measurement and setting first predetermined
Position, port case 1 is installed in the initiating terminal connection of bus duct cell body 2；Between different bus duct cell bodies 2, by bindiny mechanism 4
The correspondence of connection sheet 41 is caught in " Π " shape groove of conductor 22, then the position correspondence that upper and lower cover plates 44 is aligned into connection sheet 41 is laminating simultaneously
It is fixed, now the insulating support rod 43 under fixed support 42 is in close contact with lower cover 44, and connection sheet 41 is leaned into fixation
In conductor 22；In the end of bus duct cell body 2, the cap correspondence lid of conductor 22 of cell body plug 5 is covered, so that enclosed busbar groove
Cell body 2, prevents dust and other impurities from entering bus duct cell body 2.
When needing to pick out electric current to during load, the movable clamp 32 for patching case 3 is outwards skidded off first, case 3 will be patched
Embedded upwards from the lower section of bus duct cell body 2, clamp 32 is simultaneously inwardly slipped into clamping by the position of alignment dop 33 and neck 23, then
Tightening screw fixing chuck plate 32, now the elastic upper end of ground pad 37 be resisted against the bottom of insulating support 21 and occur elastic deformation, it is right
Patch the housing of case 3 and produce downward pressure, be fixed on so that case 3 will be patched on bus duct cell body 2, prevent unexpected slip, then revolve
Turn control crank 35, rotated up conducting strip 34 by transmission device 36, stretch out strip gab 31 and correspondingly snap onto conductor
In 22 " Π " shape groove, so as to connect conductor 22 and draw lower electric power；When patching case 3 and being not mounted on bus duct cell body 2, pass through
Conducting strip 34 is screwed in the lower section of strip gab 31 by control crank 35, is recovered to enclosure interior, prevents the factors such as collision from damaging conductive
Piece 34.
Embodiment 2：
As shown in fig. 7, content is substantially the same manner as Example 1 in the present embodiment, institute's difference is, the transmission device
36 include the connecting rod 364 of vertical conduction piece 34, and the connecting rod 364 is fixedly connected with control crank 35, passed through in connecting rod 364
Wear and be connected with connecting bracket 365, the connecting bracket 365 is corresponded with conducting strip 34 and is detachably connected, when control crank turns
Connecting rod 364 is driven when dynamic 35, is rotated so as to directly drive conducting strip 34 by connecting bracket 365, conducting strip 34 is completed with leading
Being caught between body 22 or lock out operation.
Embodiment 3：
As shown in figure 9, content is substantially the same manner as Example 1 in the present embodiment, institute's difference is, the conductor 22 has
There is in-flanges structure.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (8)
1. a kind of bus duct power distribution equipment, including connect for transmitting the bus duct cell body of electric current and being connected on bus duct cell body
Go out electric current patches case, it is characterised in that：The bus duct cell body is the inversion slot type structure of open lower side, and is set on two side
It is equipped with inside inside neck, bus duct cell body along conduit direction and is provided with the top of insulating support, the insulating support and conduit
Inwall is connected, and insulating support is included under several conductor accommodating chambers being set up in parallel along conduit direction, described conductor accommodating chamber
Side opening, the conductor for being provided with that section is " Π " shape in symmetrical projection, conductor accommodating chamber is inwardly formed close to bottom end；
The case that patches is including housing, for installing the fixed mechanism connected with bus duct cell body, for contacting export with conductor
The position and side of correspondence conductor accommodating chamber on the upside of the conductive mechanism of electric current and the operation element being arranged in housing, the housing
To being provided with strip gab；Described fixed mechanism is along the symmetrically arranged section in strip gab direction including housing upper edge
The clamp of square brackets " [" and "] " shape, the dop that the clamp top is inwardly stretched out coordinates with the neck on bus duct groove body sidewall
It is fixed on so as to which case will be patched on bus duct cell body；The conductive mechanism includes being correspondingly arranged in strip gab and conductor matching
The conducting strip of conjunction, the conducting strip is connected by transmission device with being arranged on the control crank of hull outside, so as to control conduction
Contact of the piece with conductor is with separating.
2. a kind of bus duct power distribution equipment as claimed in claim 1, it is characterised in that：Also include being used for the different mothers that are connected
The bindiny mechanism of wire casing cell body, the bindiny mechanism includes being engaged with conductor and the corresponding connection sheet of quantity, the connection sheet
Run through by fixed support and fixed correspondingly with conductor；Bindiny mechanism also includes the cover plate of setting symmetrical above and below, the lid
Plate shape and bus duct cell body coordinate, can laminating closing connection sheet up and down.
3. a kind of bus duct power distribution equipment as claimed in claim 1, it is characterised in that：Also include being arranged on bus duct cell body end
The cell body plug at end, described cell body plug shape is engaged with bus duct cell body cross sectional shape, and correspondence conductor is provided with envelope
Capping.
4. a kind of bus duct power distribution equipment as claimed in claim 1, it is characterised in that：Described to connect on plug box casing, bar shaped is opened
Mouth is other to be also symmetrically arranged with two pieces of elastic ground pads, and described elastic ground pad one end is fixed on shell, and the other end is outside
Tilt, be resisted against insulating support bottom and be pressed downward immediately subrack and be fixed.
5. a kind of bus duct power distribution equipment as claimed in claim 1, it is characterised in that：The transmission device includes vertical conduction
Drive link and follower lever that piece is set, the drive link are connected with control crank, and the follower lever is connected with conducting strip, described to pass
Lever and follower lever pass through gear drive connection.
6. a kind of bus duct power distribution equipment as claimed in claim 1, it is characterised in that：The transmission device includes vertical conduction
The connecting rod of piece, the connecting rod is fixedly connected with control crank, and connecting bracket, the connection branch are provided through in connecting rod
Frame is corresponded with conducting strip and is detachably connected.
7. a kind of bus duct power distribution equipment as claimed in claim 1, it is characterised in that：Two pieces of clamps of the fixed mechanism
In, one piece is fixed on housing, and another piece of bottom is provided with chute, is available for clamp vertical bus groove cell body direction to slide, so as to tear open
Unload or install to patch and the screw of chute is provided through on case, housing is fixed.
8. a kind of bus duct power distribution equipment as claimed in claim 1, it is characterised in that：The conductor is flanging structure or interior
Turnup structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515715.4A CN107171263B (en) | 2017-06-29 | 2017-06-29 | A kind of bus duct power distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515715.4A CN107171263B (en) | 2017-06-29 | 2017-06-29 | A kind of bus duct power distribution equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107171263A true CN107171263A (en) | 2017-09-15 |
| CN107171263B CN107171263B (en) | 2018-10-26 |
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ID=59827273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710515715.4A Active CN107171263B (en) | 2017-06-29 | 2017-06-29 | A kind of bus duct power distribution equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107171263B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808272A (en) * | 2018-06-13 | 2018-11-13 | 郭文艺 | A kind of U-shaped band has the conductive copper bar of position restriction structure |
| CN109149476A (en) * | 2018-10-17 | 2019-01-04 | 江苏华强电力设备有限公司 | Intelligent Bus slot for data center |
| CN109193525A (en) * | 2018-10-18 | 2019-01-11 | 郭乃彦 | A kind of aluminium alloy four-wire system bus duct |
| CN109802347A (en) * | 2018-12-30 | 2019-05-24 | 宁波隆兴电信设备制造有限公司 | A kind of bus duct introduced for power supply |
| CN109802348A (en) * | 2019-04-02 | 2019-05-24 | 郭乃斌 | A kind of rail mounted bus trunk body |
| CN109818261A (en) * | 2019-04-02 | 2019-05-28 | 郭乃斌 | The distribution bus unit of modularization, rail mounted |
| CN111864676A (en) * | 2019-04-28 | 2020-10-30 | 北京国电恒嘉科技产业集团有限公司 | Air type bus duct distribution sleeve joint plug box |
| CN112564005A (en) * | 2020-12-14 | 2021-03-26 | 广东电网有限责任公司 | Bus duct |
| CN113675801A (en) * | 2021-07-02 | 2021-11-19 | 深圳市胜威南方科技有限公司 | Bus distributing device |
| EP4102665A1 (en) * | 2021-06-11 | 2022-12-14 | Schneider Electric Industries SAS | Electrical busway assembly |
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| JP2011097762A (en) * | 2009-10-30 | 2011-05-12 | Furukawa Electric Co Ltd:The | Plug-in fitting |
| CN105610107A (en) * | 2016-01-20 | 2016-05-25 | 深圳市海德森科技有限公司 | Bus system, and bus duct and jack box therefor |
| CN106253182A (en) * | 2015-12-09 | 2016-12-21 | 深圳金达伸机房设备工程有限公司 | A kind of bus-bar system jack box |
| CN106410617A (en) * | 2016-11-29 | 2017-02-15 | 郭光伟 | Bus duct power supply system |
| CN206834673U (en) * | 2017-06-29 | 2018-01-02 | 郭光伟 | A kind of bus duct power distribution equipment |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011097762A (en) * | 2009-10-30 | 2011-05-12 | Furukawa Electric Co Ltd:The | Plug-in fitting |
| CN106253182A (en) * | 2015-12-09 | 2016-12-21 | 深圳金达伸机房设备工程有限公司 | A kind of bus-bar system jack box |
| CN105610107A (en) * | 2016-01-20 | 2016-05-25 | 深圳市海德森科技有限公司 | Bus system, and bus duct and jack box therefor |
| CN106410617A (en) * | 2016-11-29 | 2017-02-15 | 郭光伟 | Bus duct power supply system |
| CN206834673U (en) * | 2017-06-29 | 2018-01-02 | 郭光伟 | A kind of bus duct power distribution equipment |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808272A (en) * | 2018-06-13 | 2018-11-13 | 郭文艺 | A kind of U-shaped band has the conductive copper bar of position restriction structure |
| CN108808272B (en) * | 2018-06-13 | 2024-04-26 | 郭文艺 | U-shaped conductive copper bar with position limiting structure |
| CN109149476A (en) * | 2018-10-17 | 2019-01-04 | 江苏华强电力设备有限公司 | Intelligent Bus slot for data center |
| CN109193525A (en) * | 2018-10-18 | 2019-01-11 | 郭乃彦 | A kind of aluminium alloy four-wire system bus duct |
| CN109802347A (en) * | 2018-12-30 | 2019-05-24 | 宁波隆兴电信设备制造有限公司 | A kind of bus duct introduced for power supply |
| CN109818261B (en) * | 2019-04-02 | 2024-03-01 | 郭乃斌 | Modular, rail-mounted power distribution busbar unit |
| CN109802348A (en) * | 2019-04-02 | 2019-05-24 | 郭乃斌 | A kind of rail mounted bus trunk body |
| CN109818261A (en) * | 2019-04-02 | 2019-05-28 | 郭乃斌 | The distribution bus unit of modularization, rail mounted |
| CN109802348B (en) * | 2019-04-02 | 2024-03-01 | 郭乃斌 | Rail type bus trunk |
| CN111864676A (en) * | 2019-04-28 | 2020-10-30 | 北京国电恒嘉科技产业集团有限公司 | Air type bus duct distribution sleeve joint plug box |
| CN112564005B (en) * | 2020-12-14 | 2022-01-18 | 广东电网有限责任公司 | Bus duct |
| CN112564005A (en) * | 2020-12-14 | 2021-03-26 | 广东电网有限责任公司 | Bus duct |
| EP4102665A1 (en) * | 2021-06-11 | 2022-12-14 | Schneider Electric Industries SAS | Electrical busway assembly |
| CN113675801A (en) * | 2021-07-02 | 2021-11-19 | 深圳市胜威南方科技有限公司 | Bus distributing device |
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| Publication number | Publication date |
|---|---|
| CN107171263B (en) | 2018-10-26 |
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