CN107706860B - Bus cable combined single double-loop bus duct - Google Patents
Bus cable combined single double-loop bus duct Download PDFInfo
- Publication number
- CN107706860B CN107706860B CN201711095610.4A CN201711095610A CN107706860B CN 107706860 B CN107706860 B CN 107706860B CN 201711095610 A CN201711095610 A CN 201711095610A CN 107706860 B CN107706860 B CN 107706860B
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- China
- Prior art keywords
- cable
- bus duct
- busbar
- accommodating space
- shell
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- 239000004020 conductor Substances 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 9
- 238000005191 phase separation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract description 9
- 239000000178 monomer Substances 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
Landscapes
- Details Of Indoor Wiring (AREA)
Abstract
The invention relates to a bus cable combined monomer double-loop bus duct, which comprises a shell; the shell is internally provided with a busbar accommodating space positioned at the upper part and a cable accommodating space positioned at the lower part, a plurality of busbar conductors are arranged in the busbar accommodating space, the busbar conductors are mutually electrically insulated by an insulating phase-isolating block, and a plurality of cables are arranged in the cable accommodating space. The bus duct combines the bus conductors capable of forming the power loop and the cables capable of forming the illumination loop in a single shell, and is particularly suitable for occasions needing to be equipped with power and illumination distribution lines at the same time, such as industrial plants and rail transit tunnels.
Description
Technical Field
The invention relates to a bus duct; more particularly, the present invention relates to a dual loop busway combining a bus bar and a cable.
Background
In the past, in various power utilization occasions including industrial automation factories and rail transit tunnels, cables (electric wires and cables are collectively called as cables in the invention for simplicity) are generally used for conveying power utilization and illumination utilization, and the power supply mode has the following problems:
1. the service life of the cable is only 18-25 years, and the cost of midway replacement is high;
2. the power cable and the illumination cable are laid in the same groove, so that the heat dissipation problem is related, and the current-carrying capacity is difficult to ensure;
3. the cable power supply is short-circuited to easily cause fire accidents, and the safety of other circuits can be influenced when a certain circuit is in a problem;
4. the cables are messy and unsightly when laid individually in tunnels.
With the rapid development of industrial automation and rail transit in China, bus ducts are increasingly utilized in industrial automation factories and rail transit tunnels for power transmission and distribution, but the bus ducts replacing cables in the market are single in function and can only be used for power utilization or illumination utilization transmission respectively, so that the problems of high cost, inconvenient installation and maintenance and the like of a power transmission and distribution system still exist in occasions requiring configuration of power utilization and illumination utilization, such as industrial automation factories and rail transit tunnels.
Disclosure of Invention
In view of the shortcomings of the prior art, the main purpose of the invention is to provide a double-loop bus duct which combines a bus and a cable to simultaneously provide power and illumination.
In order to achieve the main purpose, the invention provides a bus cable combined single double-loop bus duct, which comprises a shell; the shell is internally provided with a busbar accommodating space positioned at the upper part and a cable accommodating space positioned at the lower part, a plurality of busbar conductors are arranged in the busbar accommodating space, and the busbar conductors are electrically insulated by an insulating phase-isolating block; a plurality of cables are arranged in the cable accommodating space.
In the double-loop bus duct, the bus conductors for providing power and the cables for providing illumination and power are respectively arranged in the two relatively independent accommodating spaces in the shell, so that the bus duct has the advantages of high safety, long service life, quick installation, attractive appearance and the like.
According to one embodiment of the invention, the housing comprises a body, an upper cover plate mounted on the top of the body, and a lower cover plate mounted on the bottom of the body, the body having a first side wall, a second side wall, a partition separating the busbar accommodating space and the cable accommodating space, and a bottom wall formed with a strip-shaped opening extending longitudinally along the housing.
As a preferred embodiment, the portions of the bottom wall lying on both lateral sides of the strip-shaped opening are each formed with a cable rib which is rolled or inclined towards the inside of the body, which cable rib preferably prevents the cable carried on the bottom wall from falling out of the strip-shaped opening.
As another preferred embodiment, a cable anti-drop member is further disposed in the cable accommodating space, and a plurality of cables are symmetrically disposed at two lateral sides of the cable anti-drop member; the middle part of the cable anti-drop component is connected with the partition board, and two ends of the cable anti-drop component are respectively connected with the parts of the bottom wall positioned at two lateral sides of the strip-shaped opening; thus, the cable drop preventing member can prevent the cable from dropping out of the strip-shaped opening and guide the cable to be carried on the bottom wall of the body.
According to a more specific embodiment of the invention, the partition plate is provided with a screw, and the middle part of the cable anti-falling component is sleeved on the screw and is fixed or stopped by a threaded fastener in threaded connection with the screw.
According to another more specific embodiment of the present invention, the cable anti-falling member includes a bendable anti-falling band, and the anti-falling band is provided with a plurality of buckling holes and buckling protrusions at two ends of the anti-falling band; the bottom wall is provided with buckling perforation at the two lateral sides of the strip-shaped opening, and the buckling bulge is buckled with the buckling perforation after the two ends of the anti-drop belt pass through the buckling perforation.
According to another embodiment of the invention, the bus duct comprises a plurality of sections, adjacent sections being connected by a connection assembly comprising a busbar connector for making electrical connection between busbar conductors in the adjacent sections, and an inverted U-shaped connection socket and a bottom plate mounted at the bottom of the connection socket; the connecting seat, the bottom plate and the busbar connector are fixedly connected, and the connecting seat is fixedly connected with the body in a contact manner; the socket is arranged on the bottom plate, the puncture wire clamp electrically connected with the cable is arranged on the cable, the zero line socket of the socket is electrically connected with the puncture wire clamp arranged on the zero line cable, and the live wire socket of the socket is electrically connected with the puncture wire clamp arranged on the live wire cable.
As a preferred embodiment, a downward concave longitudinal groove is formed on the partition plate, an upward convex longitudinal bulge is arranged on the top wall of the connecting seat, longitudinal limit grooves are formed on two lateral sides of the longitudinal bulge, and the longitudinal bulge is inserted into the longitudinal groove so as to realize mutual positioning between the shell body and the connecting seat.
As another preferred embodiment, the shell and the connecting seat are both made of metal, and the bus duct takes the metal shell as a PE conductor; the ground wire socket of the socket is electrically connected with the connecting seat and then grounded through the metal shell.
According to another embodiment of the invention, the lower part of the housing is provided with a U-shaped hanger for mounting the lighting fixture, which is fixedly connected with the first and second side walls of the body.
The double-loop bus duct can be used for simultaneously providing illumination electricity and power electricity, and has the advantages of high safety, long service life, quick installation, attractive appearance and the like.
The present invention will be described in further detail with reference to the following embodiments, in order to more clearly illustrate the objects, technical solutions and advantages of the present invention.
Drawings
FIG. 1 is a perspective view of an embodiment 1 of a busway of the present invention;
FIG. 2 is an exploded view of the structure of the bus duct embodiment 1 of the present invention;
FIG. 3 is a bottom view of bus duct embodiment 1 of the present invention;
fig. 4 is an exploded view of the busbar connector in embodiment 1 of the busway of the present invention;
FIG. 5 is a perspective view of the busbar connector of example 1 of the busway of the present invention with the connecting cover removed;
fig. 6 is an end view of bus duct embodiment 1 of the present invention;
FIG. 7 is a perspective view of the cable anti-slip tape of embodiment 1 of the busway of the present invention;
fig. 8 is a schematic structural view of embodiment 2 of the bus duct of the present invention.
Detailed Description
Example 1
Fig. 1 is a perspective view of a two-circuit bus duct as embodiment 1 of the present invention, which includes a plurality of sections 10 and a connection assembly 20 connecting adjacent sections, and a structure of the bus duct will be described by selecting one of the sections 10. As shown in fig. 1, the bus duct has a metal housing 11 including a body 111, an upper cover plate 112 and a lower cover plate 113, the body 111 having a first side wall 1111, a second side wall 1112, a partition 1113 and a bottom wall 1114. The top and bottom of the first sidewall 1111 and the second sidewall 1112 are respectively formed with a longitudinally extending fastening slot, the upper cover plate 112 is fastened to the fastening slots at the top of the first sidewall 1111 and the second sidewall 1112, and the lower cover plate 113 is fastened to the fastening slots at the bottom of the first sidewall 1111 and the second sidewall 1112.
The partition 1113 divides the interior of the housing 11 into a busbar accommodating space 101 at the upper portion and a cable accommodating space 102 at the lower portion. A plurality of cables 13 are provided in the cable accommodating space 102, and the bottom wall 1114 is formed with a strip-shaped opening 1115 extending longitudinally along the housing 11 to facilitate placement of the cables 13 into the cable accommodating space 102 from below the bus duct through the strip-shaped opening 1115. A plurality of busbar conductors 12 are provided in the busbar accommodating space 101, and the plurality of busbar conductors 12 are separated from each other by insulating phase separation blocks (not visible in the drawing) to achieve electrical insulation. The plurality of busbar conductors 12 includes three phase conductors and one N conductor, and the bus duct has the metal housing 11 as a PE conductor. In other embodiments of the invention, the busbar conductors may be configured to include three phase conductors, one N conductor, and one PE conductor.
Fig. 2 is an exploded view of the structure of the dual-loop bus duct shown in fig. 1, and fig. 3 is a bottom view thereof. As shown in fig. 2, the connection assembly 20 includes a busbar connector 21, a metal connection base 22, and a bottom plate 23 mounted at the bottom of the connection base 22; the metal connection seat 22 is configured in an inverted U shape to facilitate the passage of the cable 13; the connection base 22, the bottom plate 23 and the connection cover 211 of the busbar connector 21 are fixedly connected by a connecting member such as a screw (not shown), and the connection base 22 is fixedly connected in contact with the body 111. The busbar connector 21 is used to make electrical connection between the busbar conductors 12 and between the PE connection conductors 14 in the adjacent sections 10 of the busbar; the PE connection conductor 14 is fixedly connected to the body 111 in contact, is located at the end of the housing 11 and is arranged parallel to the busbar conductor 12.
As shown in fig. 2 and 3, the base plate 23 is provided with a socket 24, the cable 12 is provided with a piercing connector 121 electrically connected with the cable 12, a neutral wire socket of the socket 24 is electrically connected with the piercing connector provided on the neutral wire cable through a wire (not shown in the drawings), a live wire socket is electrically connected with the piercing connector provided on the live wire cable, and a ground wire socket is electrically connected with the connecting seat 22.
With continued reference to fig. 2, the partition 1113 is formed with a downward concave longitudinal groove 11131, the top wall 222 of the connection seat 22 has an upward convex longitudinal projection 2221, two lateral sides of the end of the longitudinal projection 2221 are formed with longitudinal limit grooves 2222, and the longitudinal projections 2221 are inserted into the longitudinal groove 11131, and the longitudinal limit grooves 2222 define the insertion depth of the longitudinal projections 2221, so that the mutual positioning between the housing 11 body 111 and the connection seat 22 can be achieved.
Fig. 4 and 5 show the structure of the busbar connector 21 in more detail. As shown in fig. 4 and 5, the busbar connector 21 includes two connection side plates 22, a plurality of electrically insulating barriers 23 provided between the two connection side plates 22, and an inverted U-shaped connection cover plate 211. The busbar conductors 12 and the PE connection conductors 14 in the section 10 are clamped between the electrically insulating barrier 23 at the longitudinal ends of the housing 11. Each of the electrically insulating spacers 23 includes an electrically insulating substrate 231 and conductive plates 232 provided on both side surfaces of the electrically insulating substrate 231, respectively, and electrical connection is made between the busbar conductors 12 and between the PE connection conductors 14 of the adjacent sections 10 through the conductive plates 232. The connecting side plate 22 and the electrically insulating barrier 23 are fastened by bolts 25 and nuts 26. Wherein, a plugging groove 221 and an elastic gasket accommodating groove 222 are arranged on the outer side of the connecting side plate 22, and the side wall of the connecting cover plate 211 is plugged in the plugging groove 221 on the connecting side plate 22; the elastic washer 27 is sleeved on the bolt 25 and is arranged in the accommodating groove 222, so that the connecting side plate 22 and the electric insulation baffle 23 can clamp the busbar conductor 12 and the PE connecting conductor 14 more firmly. Referring to fig. 5, in order to achieve electrical insulation between the bolt 25 and the conductive plate 232, an electrical insulation sleeve 28 is also provided on the bolt 25.
Fig. 6 is an end view of a bus duct embodiment 1 of the present invention, fig. 7 is a perspective view in which a cable escape prevention tape, and a cable escape prevention structure of this embodiment will be described below with reference to fig. 6 and 7. On the one hand, a plurality of cable anti-drop members are arranged in the cable accommodating space 102 at intervals, the cable anti-drop members are composed of bendable cable anti-drop belts 15, and a plurality of cables 13 are symmetrically arranged on two lateral sides of the cable anti-drop belts 15; the middle part of the cable anti-drop tape 15 is connected with the partition 1113, and two ends of the cable anti-drop tape 15 are respectively connected with the parts of the bottom wall 1114 positioned at two lateral sides of the strip-shaped opening 1115, so that the cable 13 can be prevented from dropping out of the strip-shaped opening 1115 by the cable anti-drop tape 15, and the cable 13 is guided to be borne on the bottom wall 1114 of the body 111. On the other hand, portions of the bottom wall 1114 laterally opposite the strip-shaped opening 1115 (see fig. 1 or 2) are formed with cable flanges 11141 that roll or incline toward the inside of the housing body 111 to prevent the cables 13 carried on the bottom wall 1114 from falling out of the strip-shaped opening 1115.
The middle part of the cable anti-drop tape 15 is provided with a perforation 151, the partition 1113 is provided with a screw 16, and the middle part of the cable anti-drop tape 15 is sleeved on the screw 16 through the perforation 151 and is fixed or stopped by a threaded fastener 17 in threaded connection with the screw 16. The cable anti-drop belt 15 is also provided with a plurality of buckling holes 152 and buckling bulges 153 positioned at two ends of the anti-drop belt 15; the bottom wall 1114 is formed with fastening perforations (not visible in the figure) at the two lateral sides of the strip-shaped opening 1115, and after the two ends of the cable tie 15 pass through the fastening perforations, the fastening protrusions 153 are fastened with the corresponding fastening holes 152.
Example 2
Fig. 8 is a schematic structural view of embodiment 2 of the bus duct of the present invention. As shown in fig. 8, embodiment 2 differs from embodiment 1 in that: the lower part of the housing 11 is provided with a U-shaped hanger 30 for mounting a lighting fixture 40, the U-shaped hanger 30 is fixedly connected with a first side wall 1111 and a second side wall 1112 of the housing 11 by a screw connector 31, the lighting fixture 40 is fixed under the U-shaped hanger 30 by a screw connector 41, and a power plug (not shown) of the lighting fixture 40 obtains a lighting power source through a socket 24 (see embodiment 1) provided on the bottom plate 23.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various equivalent modifications may be made without departing from the scope of the invention, and it is intended to cover the invention as defined in the appended claims.
Claims (7)
1. A bus cable combined single double-loop bus duct comprises a shell; the method is characterized in that: the shell is internally provided with a busbar accommodating space positioned at the upper part and a cable accommodating space positioned at the lower part, a plurality of busbar conductors are arranged in the busbar accommodating space, and the busbar conductors are electrically insulated by an insulating phase separation block; a plurality of cables are arranged in the cable accommodating space;
the shell comprises a body, an upper cover plate arranged at the top of the body and a lower cover plate arranged at the bottom of the body, the body is provided with a first side wall, a second side wall, a partition plate and a bottom wall, the partition plate separates the busbar accommodating space and the cable accommodating space, and the bottom wall is provided with a strip-shaped opening extending longitudinally along the shell; the parts of the bottom wall, which are positioned at the two lateral sides of the strip-shaped opening, are respectively provided with a cable flange which is rolled or inclined towards the inner side of the body;
the cable accommodating space is internally provided with a cable anti-falling component, and the plurality of cables are symmetrically arranged on two lateral sides of the cable anti-falling component; the middle part of the cable anti-drop component is connected with the partition board, and two ends of the cable anti-drop component are respectively connected with the parts of the bottom wall, which are positioned at two lateral sides of the strip-shaped opening.
2. The bus duct of claim 1, wherein: the partition board is provided with a screw rod, and the middle part of the cable anti-drop component is sleeved on the screw rod and is fixed or stopped by a threaded fastener in threaded connection with the screw rod.
3. The bus duct of claim 1, wherein: the cable anti-falling component comprises a bendable anti-falling belt, wherein a plurality of buckling holes and buckling bulges positioned at two ends of the anti-falling belt are formed in the anti-falling belt; the bottom wall is provided with buckling perforation holes at the parts of the two lateral sides of the strip-shaped opening, and the buckling protrusions are buckled with the buckling holes after the two ends of the anti-drop belt pass through the buckling perforation holes.
4. The bus duct of claim 1, wherein: the bus duct comprises a plurality of sections, wherein adjacent sections are connected through a connecting assembly, and the connecting assembly comprises a busbar connector, an inverted U-shaped connecting seat and a bottom plate, wherein the busbar connector is used for realizing electric connection between busbar conductors in the adjacent sections; the connecting seat, the bottom plate and the busbar connector are fixedly connected, and the connecting seat is fixedly connected with the body in a contact manner; the socket is arranged on the bottom plate, the puncture wire clamp electrically connected with the cable is arranged on the cable, a zero line socket of the socket is electrically connected with the puncture wire clamp arranged on the zero line cable, and a live wire socket of the socket is electrically connected with the puncture wire clamp arranged on the live wire cable.
5. The bus duct of claim 4, wherein: the baffle is provided with a downward concave longitudinal groove, the top wall of the connecting seat is provided with an upward convex longitudinal bulge, two lateral sides of the longitudinal bulge are provided with longitudinal limit grooves, and the longitudinal bulge is inserted into the longitudinal groove so as to realize mutual positioning between the shell body and the connecting seat.
6. The bus duct of claim 4, wherein: the shell and the connecting seat are both made of metal, and the bus duct takes the metal shell as a PE conductor; and the ground wire socket of the socket is electrically connected with the connecting seat.
7. The bus duct of claim 1, wherein: the lower part of the shell is provided with a U-shaped hanging bracket for installing the lighting lamp, and the U-shaped hanging bracket is fixedly connected with the first side wall and the second side wall of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095610.4A CN107706860B (en) | 2017-11-09 | 2017-11-09 | Bus cable combined single double-loop bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095610.4A CN107706860B (en) | 2017-11-09 | 2017-11-09 | Bus cable combined single double-loop bus duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107706860A CN107706860A (en) | 2018-02-16 |
| CN107706860B true CN107706860B (en) | 2024-01-16 |
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ID=61178344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095610.4A Active CN107706860B (en) | 2017-11-09 | 2017-11-09 | Bus cable combined single double-loop bus duct |
Country Status (1)
| Country | Link |
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| CN (1) | CN107706860B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066542A (en) * | 2018-06-01 | 2018-12-21 | 江苏华强电力设备有限公司 | A kind of big intensity light illumination bus duct of small size |
| CN108988259A (en) * | 2018-08-27 | 2018-12-11 | 佛山市创森机电有限公司 | A kind of high temperature bus duct |
| WO2020167266A1 (en) * | 2019-05-17 | 2020-08-20 | Eae Elektrik Asansor Endustrisi Insaat Sanayi Ve Ticaret Anonim Sirketi | A conductor apparatus stopper for busbar |
| EP4176500A4 (en) * | 2020-07-06 | 2024-06-05 | Starline Holdings Llc | Systems and methods for dust and liquid protected continuous access busway trunking systems |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7744386B1 (en) * | 2009-11-02 | 2010-06-29 | Lighting Services Inc. | High amperage busway system |
| CN102918722A (en) * | 2010-04-22 | 2013-02-06 | 宇宙电子公司 | Improved press-fit busbar and busway employing same |
| CN203522067U (en) * | 2013-09-16 | 2014-04-02 | 广东华通成套电气有限公司 | Combined type bus duct |
| CN107046264A (en) * | 2017-03-28 | 2017-08-15 | 珠海光乐电力母线槽有限公司 | Power, lighting integrated double loop bus duct and its electrical power trans mission/distribution system |
| CN207542731U (en) * | 2017-11-09 | 2018-06-26 | 珠海光乐电力母线槽有限公司 | Bus cable rmc monomer double loop bus duct |
-
2017
- 2017-11-09 CN CN201711095610.4A patent/CN107706860B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7744386B1 (en) * | 2009-11-02 | 2010-06-29 | Lighting Services Inc. | High amperage busway system |
| CN102918722A (en) * | 2010-04-22 | 2013-02-06 | 宇宙电子公司 | Improved press-fit busbar and busway employing same |
| CN203522067U (en) * | 2013-09-16 | 2014-04-02 | 广东华通成套电气有限公司 | Combined type bus duct |
| CN107046264A (en) * | 2017-03-28 | 2017-08-15 | 珠海光乐电力母线槽有限公司 | Power, lighting integrated double loop bus duct and its electrical power trans mission/distribution system |
| CN207542731U (en) * | 2017-11-09 | 2018-06-26 | 珠海光乐电力母线槽有限公司 | Bus cable rmc monomer double loop bus duct |
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| Publication number | Publication date |
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| CN107706860A (en) | 2018-02-16 |
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