CN115133483A - Bus duct with wire gathers together separated time effect - Google Patents
Bus duct with wire gathers together separated time effect Download PDFInfo
- Publication number
- CN115133483A CN115133483A CN202210949723.0A CN202210949723A CN115133483A CN 115133483 A CN115133483 A CN 115133483A CN 202210949723 A CN202210949723 A CN 202210949723A CN 115133483 A CN115133483 A CN 115133483A
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- plate
- wall
- bus duct
- plates
- conductor
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- 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
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- 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
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/08—Connection boxes therefor
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- 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
- H02G5/10—Cooling
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Installation Of Bus-Bars (AREA)
Abstract
The invention discloses a bus duct with a wire gathering and branching function, which comprises a bottom plate, wherein side plates are respectively installed on two sides of the outer wall of the top of the bottom plate through bolts, a top plate is installed on the outer wall of the top of each side plate through bolts, flame-retardant partition plates are respectively bonded on the outer wall of the bottom of each top plate and the outer wall of the top of the bottom plate, positioning grooves are formed in the outer parts of the flame-retardant partition plates and are distributed at equal intervals, and conductor plates are clamped in the positioning grooves and distributed at equal intervals. The junction box is fixed below the bottom plate through the screws, the insertion rod is directly inserted into the conductor plate, and external equipment can be directly inserted into the junction box through the connecting joint, so that connecting wires are not concentrated at one end of the bus duct, the junction box can be conveniently gathered and managed, a large number of wires can be prevented from being accumulated and wound to generate potential safety hazards, the junction box can be directly taken down when no junction is needed, and the junction box is simple and convenient to use.
Description
Technical Field
The invention belongs to the technical field of bus ducts, and particularly relates to a bus duct with a wire gathering and branching function.
Background
The bus duct, a closed metal device composed of copper and aluminum bus bars, is used to distribute large power to the elements of the decentralized system, and has been increasingly used as a substitute for wire and cable in the project of indoor low-voltage power transmission main line engineering.
Chinese patent No. CN109510142A discloses a bus duct, which relates to the field of power transmission equipment, and comprises: the bus duct unit comprises a shell, a first conductor group and a second conductor group, wherein the first conductor group and the second conductor group extend along a first direction; the shell comprises two separators, the separators are located between the two clamping assemblies, and the two separators are distributed at one end and the other end of each clamping assembly at intervals.
Current bus duct does not have the effect of gathering together the separated time usually, when external equipment wants to connect, needs to carry out the wiring from the one end of bus duct and connects, when connecting device is more, just can make the wire pile up in a large number, twine, not only uses comparatively inconveniently, and produces a large amount of heats easily, has comparatively serious potential safety hazard, for this reason we provide one kind and have the wire gather together the bus duct of separated time effect.
Disclosure of Invention
The invention aims to provide a bus duct with a wire gathering and branching function, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a bus duct with wire gathering and branching functions comprises a bottom plate, wherein side plates are mounted on two sides of the top outer wall of the bottom plate through bolts, a top plate is mounted on the top outer wall of each side plate through bolts, flame-retardant partition plates are bonded on the bottom outer wall of the top plate and the top outer wall of the bottom plate, positioning grooves distributed at equal intervals are formed in the outer portions of the flame-retardant partition plates, conductor plates distributed at equal intervals are clamped in the positioning grooves, insulators are inserted between every two adjacent conductor plates, jacks distributed at equal intervals are formed in the bottom outer walls of the conductor plates, branching boxes distributed at equal intervals are mounted on the bottom outer wall of the bottom plate through bolts, a cover plate is mounted on the top outer wall of each branching box through bolts, a contact plate, a spring and an inserting rod are inserted in the cover plate, the spring is located between the contact plate and the inserting rod, one end of the inserting rod is inserted in the jacks, the interior of the junction box is bonded with the junction box heads which are distributed at equal intervals, pins which are distributed at equal intervals are inserted into the junction box heads, and the pins are electrically connected with the contact plates.
Preferably, the two ends of the conductor plate are welded with connectors, and the outer wall of the side face of each connector is provided with a connecting hole.
Preferably, the end plates are installed at the two ends of the side plates, the bottom plate and the top plate through bolts, baffle plates distributed at equal intervals are integrally formed on the outer wall of one side of each end plate, and the joints are located between the two opposite baffle plates.
Preferably, a mica tape is sleeved outside the conductor plate, and a heat shrink tube is sleeved outside the mica tape.
Preferably, the rubber sleeve is inserted into the jack, and the valve is integrally formed inside the rubber sleeve.
Preferably, the side inner walls of the side plates, the bottom plate and the top plate are bonded with insulating layers, and the electromagnetic shielding layers are bonded inside the insulating layers.
Preferably, a flame retardant layer is bonded inside the electromagnetic shielding layer, and the flame retardant layer covers the insulator and the conductor plate.
Preferably, a water tank is arranged on the outer wall of the top plate, water absorbing belts are bonded on the inner wall of the bottom of the water tank and the outer wall of the side face of the side plate, a rubber pad is bonded at the joint of the side plate and the top plate, and the water absorbing belts are located above the rubber pad.
Preferably, a drain pipe is fixedly installed on the outer wall of one side of the side plate through a pipe clamp, and one end of the water absorption belt is inserted into the drain pipe.
Preferably, the one end of drain pipe is rotated and is connected with the end, and all bonds on the one side inner wall of end and the one end of drain pipe and has sealed the pad.
Compared with the prior art, the invention has the beneficial effects that:
1. through the junction box who sets up, the junction box passes through the fix with screw in the below of bottom plate, and the inserted bar is directly pegged graft in the inside of conductor board, and external equipment just can directly peg graft inside the female head of separated time through coupling joint to the connecting wire that makes can not concentrate on the one end of bus duct, can enough conveniently gather together the reason line, also can prevent that the wire from piling up the winding in a large number, produces the potential safety hazard, and when need not the separated time, directly with the junction box take off can, convenience simple to use.
2. Through fire-retardant layer and the electromagnetic shield layer that sets up, when inside or outside high temperature, fire-retardant layer can effectual preventing means produce the naked light burning, can give and salvage personnel and salvage the time, and the electromagnetic shield layer then can shield electromagnetic interference, can prevent that outside electromagnetic field from to the current on the conductor plate of bus duct inside from producing the influence, also can prevent that the electromagnetic field that the conductor plate produced from producing the precision equipment of outside and producing the influence.
3. Through the area and the drain pipe that absorb water that set up, the area that absorbs water can absorb the moisture that drips, condense on roof and the curb plate to carry to the inside of drain pipe, discharge through the drain pipe at last, thereby prevent that moisture from permeating to the device inside from the gap after gathering for a long time, make the device short circuit damage, and the moisture that absorbs water on the area can play certain cooling effect to the device.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a perspective view of the structure of the present invention;
FIG. 3 is a structural cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of a junction box configuration of the present invention;
FIG. 5 is a cross-sectional view of a drain pipe construction of the present invention;
in the figure: 1. a side plate; 2. a top plate; 3. an end plate; 4. a baffle plate; 5. a junction box; 6. a drain pipe; 7. a water-absorbent belt; 8. a rubber pad; 9. a joint; 10. connecting holes; 11. a base plate; 12. a water tank; 13. an insulating layer; 14. an electromagnetic shielding layer; 15. a flame retardant layer; 16. a flame retardant separator plate; 17. positioning a groove; 18. an insulator; 19. a conductor plate; 20. mica tapes; 21. heat shrink tubing; 22. a jack; 23. a rubber sleeve; 24. a valve; 25. a cover plate; 26. a spring; 27. inserting a rod; 28. a contact piece; 29. a branching female head; 30. a pin; 31. a tip; 32. and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 5, the present invention provides a technical solution: a bus duct with a wire gathering and distributing function comprises a bottom plate 11, wherein side plates 1 are installed on two sides of the top outer wall of the bottom plate 11 through bolts, a top plate 2 is installed on the top outer wall of each side plate 1 through bolts, flame-retardant partition plates 16 are respectively bonded on the bottom outer wall of each top plate 2 and the top outer wall of the bottom plate 11 and used for separating and positioning conductor plates 19, positioning grooves 17 which are distributed at equal intervals are formed in the outer portions of the flame-retardant partition plates 16, conductor plates 19 which are distributed at equal intervals are clamped in the positioning grooves 17, insulators 18 are respectively inserted between every two adjacent conductor plates 19 and used for separating the conductor plates 19, inserting holes 22 which are distributed at equal intervals are formed in the bottom outer walls of the conductor plates 19, distributing boxes 5 which are distributed at equal intervals are installed on the bottom outer wall of the bottom plate 11 through bolts, and cover plates 25 are installed on the top outer walls of the distributing boxes 5 through bolts, the contact piece 28, the spring 26 and the inserted link 27 are inserted into the cover plate 25, the spring 26 is used for providing installation allowance, so that the inserted link 27 can be in close contact with the conductor plate 19, the spring 26 is located between the contact piece 28 and the inserted link 27, one end of the inserted link 27 is inserted into the jack 22, the distributing box 5 is bonded with distributing bus heads 29 which are distributed equidistantly and connected with external equipment, pins 30 which are distributed equidistantly are inserted into the distributing bus heads 29, and the pins 30 are electrically connected with the contact piece 28.
As apparent from the above description, the present invention has the following advantageous effects: junction box 5 passes through the fix with screw in the below of bottom plate 11, and the inserted bar 27 is direct to be pegged graft in the inside of conductor board 19, and external equipment just can be through the connector lug direct grafting inside separated time female head 29 to the connecting wire that makes can not concentrate on the one end of bus duct, can enough conveniently gather together the reason line, also can prevent that the wire from piling up the winding in a large number, produces the potential safety hazard, and when need not the separated time, directly with junction box 5 take off can, convenience simple to use.
Further, referring to fig. 3, the two ends of the conductor plate 19 are welded with the connectors 9, the outer wall of the side face of each connector 9 is provided with a connecting hole 10, the two ends of each side plate 1, the bottom plate 11 and the top plate 2 are provided with the end plates 3 through bolts, the baffle plates 4 which are distributed equidistantly are integrally formed on the outer wall of one side of each end plate 3, each connector 9 is located between the two opposite baffle plates 4, the mica tape 20 is sleeved outside the conductor plate 19 and used for achieving a fire-resistant insulating effect, the heat shrink tube 21 is sleeved outside the mica tape 20 and used for achieving an insulating effect, the rubber sleeve 23 is inserted inside the insertion hole 22 and used for protecting the insertion rod 27, the valve 24 is integrally formed inside the rubber sleeve 23, and when the junction box 5 is not installed, the rubber sleeve 23 can be plugged.
Example two:
referring to fig. 1 to 5, on the basis of the first embodiment, the present invention provides a technical solution: the insulating layer 13 is bonded on the side inner walls of the side plates 1, the bottom plate 11 and the top plate 2, the insulating layer plays a role in insulating protection, the electromagnetic shielding layer 14 is bonded inside the insulating layer 13, an internal and external electromagnetic field can be isolated, the flame-retardant layer 15 is bonded inside the electromagnetic shielding layer 14, the flame-retardant layer 15 plays a role in fire resistance and flame retardance, and the flame-retardant layer 15 is coated outside the insulator 18 and the conductor plate 19.
By adopting the technical scheme, when the internal or external temperature is too high, the flame-retardant layer 15 can effectively prevent the device from generating open flame combustion and give rush repair time to rush repair personnel, and the electromagnetic shielding layer 14 can shield electromagnetic interference, so that the influence of an external electromagnetic field on the current on the conductor plate 19 in the bus duct can be prevented, and the influence of the electromagnetic field generated by the conductor plate 19 on external precision equipment can also be prevented.
Further, can refer to fig. 3, open on the top outer wall of roof 2 has basin 12, and all bond on the bottom inner wall of basin 12 and the side outer wall of curb plate 1 and have water absorption area 7, be used for absorbing and water conservancy diversion moisture, the rubber pad 8 has been bonded to the junction of curb plate 1 and roof 2, can prevent that moisture from passing through inside the gap infiltration device, and water absorption area 7 is located the top of rubber pad 8, there is drain pipe 6 through pipe strap fixed mounting on the outer wall of one side of curb plate 1, be used for discharging moisture, and the one end of water absorption area 7 is pegged graft in the inside of drain pipe 6, the one end of drain pipe 6 rotates and is connected with end 31, be used for connecting two drain pipes 6 below, and all bond with the one end of drain pipe 6 on the inner wall of one side of end 31 and have sealed pad 32, can prevent that moisture from spilling.
The working principle and the using process of the invention are as follows: firstly, an operator installs the devices at a proper position, connects the water discharge pipes 6 of two adjacent devices through end heads 31 in a threaded manner, then fixes the junction box 5 on the outer wall of the bottom plate 11 through bolts, and at the moment, the insertion rod 27 penetrates through the valve 24 and is directly inserted into the insertion hole 22 of the conductor plate 19, so that the conductor plate 19 is electrically connected with the pins 30 of the junction box 29, and finally, the operator inserts the connector of external equipment into the junction box 29; the water condensed and dropped on the top plate 2 and the side plate 1 is absorbed by the water absorption belt 7 and guided into the inside of the drain pipe 6 through the water absorption belt 7, and the water absorption belt 7 itself retains a small amount of water and can dissipate heat of the apparatus by evaporation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a bus duct with wire gathers together separated time effect, includes bottom plate (11), its characterized in that: the novel cable distribution box is characterized in that side plates (1) are mounted on two sides of the outer wall of the top of the bottom plate (11) through bolts, a top plate (2) is mounted on the outer wall of the top of the side plates (1) through bolts, flame-retardant partition plates (16) are bonded on the outer wall of the bottom of the top plate (2) and the outer wall of the top of the bottom plate (11), positioning grooves (17) distributed at equal intervals are formed in the outer portions of the flame-retardant partition plates (16), conductor plates (19) distributed at equal intervals are clamped in the positioning grooves (17), insulators (18) are inserted between every two adjacent conductor plates (19), jacks (22) distributed at equal intervals are formed in the outer wall of the bottom of each conductor plate (19), junction boxes (5) distributed at equal intervals are mounted on the outer wall of the bottom plate (11) through bolts, and cover plates (25) are mounted on the outer wall of the top of each junction box (5) through bolts, contact piece (28), spring (26) and inserted bar (27) are pegged graft to the inside of apron (25), and spring (26) are located between contact piece (28) and inserted bar (27), the inside of jack (22) is pegged graft to one end of inserted bar (27), the inside bonding of junction box (5) has separated time female head (29) that are the equidistance and distribute, and the inside grafting of separated time female head (29) has pin (30) that are the equidistance and distribute, pin (30) are electric connection with contact piece (28).
2. The bus duct with the wire gathering and branching function as claimed in claim 1, wherein: the two ends of the conductor plate (19) are welded with the joints (9), and the outer wall of the side face of each joint (9) is provided with a connecting hole (10).
3. The bus duct with wire gathering and branching function as claimed in claim 2, wherein: the two ends of the side plate (1), the bottom plate (11) and the top plate (2) are all provided with the end plate (3) through bolts, the baffle plates (4) which are distributed equidistantly are integrally formed on the outer wall of one side of the end plate (3), and the joint (9) is located between the two opposite baffle plates (4).
4. The bus duct with wire gathering and branching function as claimed in claim 1, wherein: the mica tape (20) is sleeved outside the conductor plate (19), and the heat-shrinkable tube (21) is sleeved outside the mica tape (20).
5. The bus duct with wire gathering and branching function as claimed in claim 1, wherein: the rubber sleeve (23) is inserted into the insertion hole (22), and the valve (24) is integrally formed inside the rubber sleeve (23).
6. The bus duct with wire gathering and branching function as claimed in claim 1, wherein: insulating layers (13) are bonded on the inner walls of the side faces of the side plates (1), the bottom plate (11) and the top plate (2), and electromagnetic shielding layers (14) are bonded inside the insulating layers (13).
7. The bus duct with the wire gathering and branching function as claimed in claim 6, wherein: the flame-retardant layer (15) is bonded inside the electromagnetic shielding layer (14), and the flame-retardant layer (15) covers the insulator (18) and the conductor plate (19).
8. The bus duct with the wire gathering and branching function as claimed in claim 1, wherein: a water tank (12) is arranged on the outer wall of the top plate (2), water absorbing belts (7) are bonded on the inner wall of the bottom of the water tank (12) and the outer wall of the side face of the side plate (1), a rubber pad (8) is bonded at the joint of the side plate (1) and the top plate (2), and the water absorbing belts (7) are located above the rubber pad (8).
9. The bus duct with the wire gathering and branching function as claimed in claim 8, wherein: the water discharging pipe (6) is fixedly installed on the outer wall of one side of the side plate (1) through the pipe clamp, and one end of the water absorbing belt (7) is inserted into the water discharging pipe (6).
10. The bus duct with the wire gathering and branching function as claimed in claim 9, wherein: one end of the drain pipe (6) is rotatably connected with an end head (31), and a sealing gasket (32) is bonded on the inner wall of one side of the end head (31) and one end of the drain pipe (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210949723.0A CN115133483B (en) | 2022-08-09 | 2022-08-09 | Bus duct with wire gathering and branching function |
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CN202210949723.0A CN115133483B (en) | 2022-08-09 | 2022-08-09 | Bus duct with wire gathering and branching function |
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CN115133483A true CN115133483A (en) | 2022-09-30 |
CN115133483B CN115133483B (en) | 2023-07-04 |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
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SU1554065A1 (en) * | 1987-11-25 | 1990-03-30 | Всесоюзный Государственный Научно-Исследовательский И Проектный Институт "Вниипроектэлектромонтаж" | Multiphase distributing bus duct |
US20030096520A1 (en) * | 2001-11-20 | 2003-05-22 | Gerald Wolford | Press-fit bus bar distributing power |
WO2010082224A1 (en) * | 2009-01-15 | 2010-07-22 | Bbi Electric S.P.A. | Tap-off facilities for prefabricated electric bus-bar ducts |
JP2014103843A (en) * | 2012-10-22 | 2014-06-05 | Kyodo Ky Tec Corp | Bus duct branch device and bus duct branch structure |
CN106207909A (en) * | 2016-08-30 | 2016-12-07 | 汉舟四川铜铝复合科技有限公司 | A kind of copper-aluminum compound bus duct jack apparatus |
CN109473926A (en) * | 2018-12-20 | 2019-03-15 | 威腾电气集团股份有限公司 | The pin configuration of bus duct tapping unit |
CN210404131U (en) * | 2019-08-27 | 2020-04-24 | 天水长城控制电器有限责任公司 | Fireproof bus duct socket structure |
CN210608412U (en) * | 2019-09-19 | 2020-05-22 | 深圳市中浦电子有限公司 | Wire branching box |
CN210957693U (en) * | 2019-11-26 | 2020-07-07 | 深圳市越达电气设备有限公司 | Bus duct with shockproof function |
CN112421539A (en) * | 2020-10-28 | 2021-02-26 | 华为技术有限公司 | Plug box and data center |
CN112582954A (en) * | 2019-09-30 | 2021-03-30 | 刘东阳 | Electric wire distributing box |
-
2022
- 2022-08-09 CN CN202210949723.0A patent/CN115133483B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
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SU1554065A1 (en) * | 1987-11-25 | 1990-03-30 | Всесоюзный Государственный Научно-Исследовательский И Проектный Институт "Вниипроектэлектромонтаж" | Multiphase distributing bus duct |
US20030096520A1 (en) * | 2001-11-20 | 2003-05-22 | Gerald Wolford | Press-fit bus bar distributing power |
WO2010082224A1 (en) * | 2009-01-15 | 2010-07-22 | Bbi Electric S.P.A. | Tap-off facilities for prefabricated electric bus-bar ducts |
JP2014103843A (en) * | 2012-10-22 | 2014-06-05 | Kyodo Ky Tec Corp | Bus duct branch device and bus duct branch structure |
CN106207909A (en) * | 2016-08-30 | 2016-12-07 | 汉舟四川铜铝复合科技有限公司 | A kind of copper-aluminum compound bus duct jack apparatus |
CN109473926A (en) * | 2018-12-20 | 2019-03-15 | 威腾电气集团股份有限公司 | The pin configuration of bus duct tapping unit |
CN210404131U (en) * | 2019-08-27 | 2020-04-24 | 天水长城控制电器有限责任公司 | Fireproof bus duct socket structure |
CN210608412U (en) * | 2019-09-19 | 2020-05-22 | 深圳市中浦电子有限公司 | Wire branching box |
CN112582954A (en) * | 2019-09-30 | 2021-03-30 | 刘东阳 | Electric wire distributing box |
CN210957693U (en) * | 2019-11-26 | 2020-07-07 | 深圳市越达电气设备有限公司 | Bus duct with shockproof function |
CN112421539A (en) * | 2020-10-28 | 2021-02-26 | 华为技术有限公司 | Plug box and data center |
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