CN115313275B - Connecting device for distribution bus duct and distribution bus - Google Patents
Connecting device for distribution bus duct and distribution bus Download PDFInfo
- Publication number
- CN115313275B CN115313275B CN202211034154.3A CN202211034154A CN115313275B CN 115313275 B CN115313275 B CN 115313275B CN 202211034154 A CN202211034154 A CN 202211034154A CN 115313275 B CN115313275 B CN 115313275B
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- China
- Prior art keywords
- bus duct
- plate
- conductive copper
- joint seat
- insulating joint
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052802 copper Inorganic materials 0.000 claims abstract description 80
- 239000010949 copper Substances 0.000 claims abstract description 80
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 8
- 230000035515 penetration Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 19
- 238000007689 inspection Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002699 waste material Substances 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
-
- 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
- H02G5/007—Butt joining of bus-bars by means of a common bolt, e.g. splice joint
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The invention relates to a distribution bus duct and a connecting device of a distribution bus, wherein the distribution bus duct comprises a bus duct main body, a conductive copper bar and an insulating joint seat, and the bus duct main body is in a strip shape with three sides closed and an opening at the bottom; the upper part of the top plate of the bus duct main body is provided with an upper limit channel, the lower parts of two sides of the top plate of the bus duct main body are provided with L-shaped ribs extending inwards to form a lower limit channel with the side plates, and the bottom plate and the L-shaped ribs form a lower channel; the insulating joint seat comprises an inner partition plate and sealing plates at three weeks of the inner partition plate, the insulating joint seat is arranged at the notch of the side plate and covers the notch, and the opening end of the insulating joint seat is flush with the end face of the bus duct main body; the conductive copper bars are installed in the copper bar channels corresponding to the two side plates in an insulating mode, the connecting portions of the conductive copper bars penetrate through the holes in the sealing plates of the insulating connectors, and the connecting portions of the conductive copper bars are provided with corresponding connecting holes. The invention has simple and reasonable structure and convenient installation and operation, and can improve the reliability of electrical connection.
Description
Technical Field
The invention relates to a distribution bus duct and a connecting device of a distribution bus, and belongs to the technical field of power transmission.
Background
With the continuous development of power technology, the power demand is increased rapidly, the installation requirement of power equipment is higher and higher, and the requirements on the connection operation feasibility, the connection reliability, the standardization and the like of a power system are also higher. And distribution busways have increasingly replaced wires and cables in the field of indoor low voltage power transmission mains engineering. The existing distribution bus duct adopts a hard aluminum alloy as a shell, conductive parts, insulating materials and some related accessories are arranged in the shell, and the closed bus duct completes the power supply and distribution work of terminal electric equipment through the fixed distance and the output interface in a fixed form on the straight line section of the closed bus, so that the power distribution bus duct of each section needs to be connected and the conductive circuits of a plurality of bus ducts need to be connected.
At present, the connection of the distribution buses adopts conductive connecting pieces, corresponding conductive sheets are arranged on a mounting plate, conductive connection is arranged in the distribution bus grooves at the electric connection positions of the two distribution bus grooves, and the conductive sheets are connected with the conductive pieces in the two distribution bus grooves in an inserting mode to realize electric connection. On the one hand, because the distribution bus duct is made of sectional materials, the mounting plate is arranged at the two distribution bus ducts, and is not easy to position in the length direction, so that the conductive connecting piece is limited in the length direction by additionally arranging a supporting part. In order to keep reliable electrical connection between the conductive sheet and the conductive piece in the bus duct, a special installation tool is usually required for installation, the special tool is firstly installed at the lower part of the bus duct during operation, the pressure plate is used for applying pressure to the conductive connection piece through the rotatable rotating arm, the installation plate is placed in the bus duct main body, the conductive sheet is embedded into the duct and is connected with the conductive piece in the duct, most scenes are limited in use, and the installation and fastening time is long. In addition, in order to avoid the channel clearance that bus duct main part junction exists, through installing upper and lower apron in the upper and lower portion of distribution bus duct, but the connection of the distribution bus of above-mentioned structure all sets up the electrical connection position in the inside of bus duct body, and the conductive part in the bus duct body and the conductive sheet of electrical connection department all can not seal, therefore the electrical connection department can't play the effect of dust proof and moisture proof in fact, easily causes the insulating nature of electrical connection department to descend, and arouses the electric leakage and lead to unnecessary loss. And moreover, the joints of the distribution buses are arranged in the bus duct main body, so that the convenience is low during inspection, and the time consumption for spot inspection is long. Therefore, to ensure safe and reliable electrical connection of the distribution bus, the connection device of the distribution bus is always the focus of consideration of electric staff.
Disclosure of Invention
The invention aims to provide the power distribution bus duct and the connecting device of the power distribution bus, which have simple and reasonable structure and convenient installation and operation, can improve the reliability of electric connection and can improve the convenience of inspection.
The technical scheme for achieving the purpose is as follows: the power distribution bus duct comprises a bus duct main body, a conductive copper bar and an insulating joint seat, wherein the bus duct main body comprises a top plate, side plates at two sides and a bottom plate which are formed into a long strip shape with three closed surfaces and an opening at the bottom; the bus duct body is provided with at least two copper bar channels on the inner sides of the two side plates, an upper limit channel is formed by an inner lug arranged at the lower part of the two sides of the top plate and the side plate, a lower limit channel is formed by an L-shaped rib extending inwards and the side plate, and a lower channel is formed by a bottom plate and the L-shaped rib;
The insulating joint seat comprises an inner partition plate and a sealing plate on the three periphery of the inner partition plate, wherein the upper side and the lower side of the sealing plate are respectively provided with an outer convex rib, the inner side of the sealing plate is provided with an orifice corresponding to the penetration of the conductive copper bar, the outer convex ribs on the sealing plate are arranged in the corresponding upper limit channel and lower limit channel, the insulating joint seat is arranged at the notch of the side plate and covers the notch, and the opening end of the insulating joint seat is flush with the end face of the bus duct main body;
the conductive copper bars are installed in the copper bar channels corresponding to the two side plates in an insulating mode, the connecting portions of the conductive copper bars penetrate out of the holes in the sealing plates of the insulating connectors, and corresponding connecting holes are formed in the connecting portions of the conductive copper bars.
The invention relates to a connecting device of a distribution bus, which comprises at least two distribution bus grooves, an electric connecting piece, an inner panel, a cover plate and a transparent side protecting cover, wherein the cover plate is arranged on the inner panel;
The end parts of the two power distribution bus ducts are spliced and aligned to enable the opening sides of the two insulating joint seats to be spliced to form a concave box body, the electric connecting piece comprises an insulating plate and at least two connecting copper bars fixed on the insulating plate at intervals, each connecting copper bar is provided with a mounting hole corresponding to the connecting conductive copper bar, the electric connecting piece is arranged in the two insulating joint seats, and a first fastener penetrates through the mounting hole of the connecting copper bar and is fixed with the connecting hole on the conductive copper bar;
the inner panel is a flat plate and is provided with a plurality of threaded holes, and the inner panel is respectively arranged in an upper channel and a lower channel of the two power distribution bus grooves;
The cover plate is provided with a plurality of mounting holes corresponding to the inner panel, two sides of the cover plate are provided with side channels with side openings, the cover plate is respectively arranged at the top and the bottom of the connecting part of the two distribution bus ducts, and a first fastener penetrates through the mounting holes on the cover plate and is screwed into the threaded holes of the inner panel to fix the cover plate on the distribution bus duct;
The transparent side protecting cover is provided with a lug and a notch corresponding to the channels on two sides, the transparent side protecting cover covers the two insulating joint seats and is connected with the two cover plates, the lug at one end of the transparent side protecting cover is inserted into the side channel of one cover plate and is connected with the cover plate, and the other side of the transparent side protecting cover is connected with the other cover plate through a third fastener arranged at the side channel.
The power distribution bus duct adopts the bus duct main body, the conductive copper bars and the insulating connector seat, the bus duct main body is not only provided with the upper channel and the lower channel for the installation of a conventional hoisting mechanism and a plug box, but also facilitates the connection of the upper inner panel and the lower inner panel with the corresponding cover plates, and after the two bus duct main bodies are electrically connected, the power distribution bus is ensured to have enough mechanical strength, and the structure is stable and reliable. According to the invention, the notch is arranged on the two side plates of the bus duct main body, and the insulating joint seat is arranged at the notch, so that the electric connection part of the conductive copper bar in the bus duct main body can be exposed out of the bus duct main body, the electric connection piece is externally connected with the conductive copper bar, the connection copper bar is directly arranged on the two power distribution buses by using the first fastener, a special tool is not needed, only a common assembly tool is used for completing the installation operation, the installation operation is simple, and the installation period is shortened. According to the invention, the connecting parts of the conductive copper bars on the two bus duct main bodies and the electric connecting parts for connecting the conductive copper bars are arranged in the two insulating joint seat forming box bodies, and the transparent side protection can be quickly arranged on the two cover plates, so that the electric connecting parts form an insulating and closed isolation state, the external interference can be greatly reduced, the insulating performance is improved, the effects of dust isolation, moisture isolation and water isolation on the electric connecting parts are improved, and the reliability of electric connection is improved. The invention adopts the transparent side protecting cover, can timely find whether the electrical connection is abnormal, and enhances maintainability and inspection performance. The connecting device of the distribution bus is simple in structure and reasonable in structure, can realize modular design, is simple in installation and operation, shortens the installation time by 20%, shortens the installation period, can greatly improve the bus installation efficiency, simultaneously reduces the later maintenance difficulty by 30%, greatly improves the efficiency of a construction team, reduces the resource waste for suppliers, and has remarkable social benefits.
Drawings
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a distribution bus duct of the present invention.
Fig. 2 is an enlarged schematic view of the structure at I of fig. 1.
Fig. 3 is an enlarged schematic view of the structure at II of fig. 1.
Fig. 4 is a schematic structural view of a connection device of a distribution busbar of the present invention.
Fig. 5 is a schematic view of the connection device of the distribution busbar of the present invention without the transparent side cover.
Fig. 6 is a schematic side view of the connection device of the distribution busbar of the present invention.
Fig. 7 is a schematic view of the explosion structure of the connection device of the distribution bus of the present invention.
Wherein: 1-bus duct body, 1-roof, 1-2-side plate, 1-21-notch, 1-22-L-shaped rib, 1-3-bottom plate, 1-4-upper channel, 1-5-upper limit channel, 1-6-lower limit channel, 1-7-lower channel, 1-8-outer channel, 2-conductive copper bar, 3-insulating joint seat, 3-1-seal plate, 3-11-turnout, 3-2-limit seat, 3-21-raised isolation block, 3-inner partition plate, 3-4-outer convex rib, 3-5-isolation cap, 4-cover plate, 4-1-side channel, 5-transparent side protecting cover, 5-1-notch, 5-2-bump, 5-3-inner turnout, 6-second fastener, 7-inner panel, 8-third fastener, 9-electrical connector, 9-1-insulating plate, 9-2-connection copper bar.
Detailed Description
As shown in fig. 1 to 4, the power distribution bus duct comprises a bus duct main body 1, a conductive copper bar 2 and an insulating joint seat 3. The bus duct main body 1 comprises a top plate 1-1, side plates 1-2 on two sides and a bottom plate 1-3 which are formed into a strip shape with three sides closed and an opening at the bottom, wherein the bus duct main body 1 can be made of aluminum alloy and has reliable mechanical strength, T-shaped ribs are symmetrically arranged on the top plate 1-1 of the bus duct main body 1 and form an upper channel 1-4, an upper mounting channel of the bus duct main body 1 can be formed, a hoisting mechanism can be mounted on the upper channel 1-4 and can be moved and adjusted along the upper channel 1-4, meanwhile, an inner panel 7 is conveniently arranged in the upper mounting channel, and the cover plate 4 at the top is conveniently connected and fixed.
The connection ends of two side plates 1-2 of the bus duct main body 1 shown in figures 1-4 are provided with notches 1-21 for installing an insulating joint seat 3, the insulating joint seat 3 is installed at the notch 1-21 of the side plate 1-2, and all distribution bus ducts are assembled according to construction requirements and then connected and fixed. The bus duct main body 1 is provided with at least two copper bar channels opposite to each other on the inner sides of the two side plates 1-2, as shown in fig. 1, and the inner sides of each side plate 1-2 are provided with two copper bar channels, or more copper bar channels, through which the conductive copper bar 2 is limited and fixed.
As shown in figures 1-4, the bus duct main body 1 of the invention forms an upper limit channel 1-5 with the side plates 1-2 by the inner protruding blocks arranged at the lower parts of the two sides of the top plate 1-1, and forms a lower limit channel 1-6 with the side plates 1-2 by the L-shaped ribs 1-22 extending inwards at the lower parts of the two side plates 1-2, and the insulation joint seat 3 can be rapidly limited by the upper limit channel 1-5 at the lower part of the top plate 1-1 and the lower limit channel 1-6 at the inner sides of the two side plates 1-2, so that the notch 1-21 of the bus duct main body 1 of the insulation joint seat 3 can be conveniently installed without fastening members. As shown in FIG. 1, the bottom plate 1-3 of the bus duct main body 1 and the L-shaped ribs 1-22 form a lower channel 1-7 to form a lower installation channel of the bus duct main body 1, so that the jack box is installed on the bus duct main body 1, and the inner panel 7 can be arranged at the lower installation channel to connect and fix the lower cover plate 4.
As shown in fig. 1 to 4, the bus duct body 1 of the present invention further has an outer baffle plate extending upward and bending toward the top on both side plates 1-2, and the outer baffle plate, the T-shaped rib and the top plate 1-1 form an outer channel 1-8 with an upper opening, which can further improve the mechanical strength passing through the bus duct body 1, and can also set a square head bolt in the outer channel 1-8, facilitating the connection of other auxiliary parts.
As shown in fig. 1 and 4, the bus duct main body 1 of the present invention is in a straight line shape, and the connection ends of the two side plates 1-2 of the bus duct main body 1 are provided with notches 1-21, so that the connection ends of the two ends are respectively connected with the other bus duct main body 1 connected with each other and the connection of a circuit is realized through an electric connector 9, the connection ends of the same ends of the two side plates 1-2 of the bus duct main body 1 of the present invention are provided with notches 1-21, only one end of the bus duct main body 1 is provided with notches 1-21, and the bus duct main body 1 can be used for connecting the end part with a wire inlet box and sealing the tail part with a tail cover plate.
As shown in fig. 1 and 6, the insulating joint seat 3 of the present invention comprises an inner partition plate 3-3 and a sealing plate 3-1 around the inner partition plate 3-3, the insulating joint seat 3 can be made of insulating materials, the upper side and the lower side of the sealing plate 3-1 are respectively provided with an outer convex rib 3-4, the inner side of the sealing plate 3-1 is provided with an orifice corresponding to the penetrating out of the connecting part of the conductive copper bar 2, and the connecting part of the conductive copper bar 2 extends to the insulating joint seat 3. As shown in fig. 1 and 4, the outer convex ribs 3-4 on the sealing plate 3-1 are installed in the corresponding upper limit channel 1-5 and lower limit channel 1-6, the insulating joint seat 3 is installed at the notch 1-21 of the side plate 1-2 and covers the notch 1-21, the opening end of the insulating joint seat 3 is flush with the end face of the bus duct main body 1, the inner side of the sealing plate 3-1 and the upper side and the lower side of the insulating joint seat cover three sides of the notch 1-21 of the side plate 1-2, the insulating joint seat 3 is connected with the side plate 1-2, when the two bus duct main bodies 1 are spliced, the spliced two insulating joint seats 3 form an inner concave box body, the connecting part of the conductive copper bar 2 and the electric connecting piece 9 are arranged in the insulating box body, especially the connecting part of the conductive copper bar 2 is leaked outside, the installation operation of the electric connecting piece is convenient, a sealed space is formed after the transparent side 5 is installed, the interference of the external environment to the electric connecting part is reduced, and the insulating performance and the protecting cover of the electric connecting part are improved. The conductive copper bars 2 are arranged in copper bar channels corresponding to the two side plates 1-2 in an insulating manner as shown in fig. 4-6, and the two conductive copper bars 2 are arranged on each side plate 1-2 as shown in fig. 1, and form a three-phase four-wire system, so that the bus duct body 1 is convenient to transport, for example, each section of the bus duct body 1 is 2-3 meters, and the bus duct body is spliced into a finished product after being placed in a machine room. The connecting parts of the conductive copper bars 2 penetrate out of the orifices on the sealing plate 3-1 of the insulating joint, so that the connecting parts of the conductive copper bars 2 are arranged in the insulating joint seat 3, the connecting holes arranged on the connecting parts of the conductive copper bars 2 can be directly provided with threaded holes, and the connecting copper bars 9-2 are fixed on the conductive copper bars 2 through the first fastening piece to realize the connection of a conductive loop. The conductive copper bar 2 of the bus duct main body 1 at the front part is electrically connected with each power supply of the incoming line box during connection, and the plug conductive piece at the top of the plug box at each feeding point is connected with the conductive copper bar 2 to realize power taking.
As shown in fig. 1-3, 6 and 7, the inner partition plate 3-3 of the insulating joint seat 3 is also provided with a corresponding limit seat 3-2, the limit seat 3-2 comprises an inner support block for passing through the conductive copper bar 2 and a convex isolation block 3-21 for limiting and isolating the upper side and the lower side of the conductive copper bar 2, the electric connector 9 is conveniently and rapidly limited through the inner support block and the convex isolation block 3-21, the installation operation is convenient, the creepage distance can be further increased, a better electric isolation effect is achieved, and the electric safety and reliability are improved. The outer side of the sealing plate 3-1 of the insulated connector seat 3 is also provided with the outward flange 3-11 wrapped at the notch 1-21 of the side plate 1-2, and the outward flange 3-11 is attached to the side plate 1-2, so that when the insulated connector seat 3 is arranged on the main body 1 of the bus duct in a sealing manner, the insulated connector seat has better insulation, dust isolation, moisture isolation and water isolation effects.
The invention relates to a connecting device for distribution buses, which is shown in figures 4-7, at least two distribution bus grooves, an electric connecting piece 9, an inner panel 7, a cover plate 4 and a transparent side protecting cover 5.
As shown in fig. 3 and 5, the invention is spliced and aligned at the end parts of two distribution bus ducts, so that the opening sides of the two insulation joint seats 3 are spliced and formed into a concave box body, the box body forms an independent and sealable space, the electric connection part 9 is electrically connected with the connection part of the conductive copper bars 2 in the two distribution bus ducts, and the electric connection part is well insulated, dust-proof, moisture-proof and water-proof through the box body and the transparent side protecting cover 5.
As shown in fig. 4 to 7, the electrical connector 9 of the present invention comprises an insulating plate 9-1 and at least two connection copper bars 9-2 fixed on the insulating plate 9-1 at intervals, wherein the two connection copper bars 9-2 are fixed on the insulating plate 9-1, the insulating plate 9-1 can be made of engineering plastics, a safe electrical distance between the two conductive copper bars 2 can be ensured, each connection copper bar 9-2 is provided with a mounting hole corresponding to the connected conductive copper bar 2, the electrical connector 9 is arranged in the two insulating joint seats 3, a first fastener passes through the mounting holes of the connection copper bars 9-2 and is screwed on the connecting holes of the conductive copper bars 2, and the first fastener is made of bolts or round-head screws and is made of conventional assembly tools, such as screwdrivers and wrenches, without special tools, so that the assembly efficiency is improved, and especially the assembly is visible during the assembly, and the assembly is convenient for operators.
As shown in fig. 4 to 7, the inner panel 7 of the invention is a flat plate and is provided with a plurality of threaded holes, the inner panel 7 is respectively arranged in the upper channel 1-4 and the lower channel 1-7 of the two distribution bus grooves, the cover plate 4 is provided with a plurality of mounting holes corresponding to the inner panel 7, two sides of the cover plate 4 are provided with side channels 4-1 with side openings, the side channels 4-1 can be T-shaped channels, the transparent side protecting cover 5 is convenient to mount, the bolt heads or nuts placed in the T-shaped channels can be prevented from rotating, the cover plate 4 is respectively arranged at the top and the bottom of the two distribution bus grooves, the second fastening piece penetrates through the mounting holes on the cover plate 4 and is screwed into the threaded holes of the inner panel 7 to fix the cover plate 4 on the distribution bus grooves, the upper and lower cover plates 4 are connected to the distribution bus grooves, the stable reliability of the structure can be ensured, the mechanical strength of the sufficient electric connection position can be ensured, and the continuous and high efficiency of the bus working function can be ensured.
As shown in fig. 2 to 5, the transparent side protecting cover 5 of the present invention is provided with the protruding blocks 5-2 and the notch 5-1 corresponding to the two side channels 4-1, the transparent side protecting cover 5 covers the two insulating joint bases 3 and is connected with the two cover plates 4, the protruding blocks 5-2 on the transparent side protecting cover 5 are inserted into the side channels 4-1 of one cover plate 4 to be connected with the cover plates 4, the other side of the transparent side protecting cover 5 is connected with the other cover plate 4 through the third fastening piece 8 arranged at the side channels 4-1, and the third fastening piece 8 can adopt bolts and nuts, and the bolts or the nuts are placed in the side channels 4-1. According to the invention, the notch 5-1 is arranged on two sides of the upper part of the transparent side protecting cover 5, the convex block 5-2 is arranged at the bottom, the two insulating joint seats 3 arranged on the two power distribution bus grooves are covered by the transparent protecting cover, the charged body is prevented from being contacted by the outside, the dust isolation, the moisture isolation and the water isolation of the electric connection part are realized, the state of the connection part can be conveniently observed, whether the electric connection is abnormal or not is conveniently and timely found, the condition of the copper bar connection part in the conductive bus groove can be clearly observed in the inspection period, the action response can be timely made, and the maintainability and the inspection performance are enhanced.
As shown in fig. 4 and 7, the protruding block 5-2 at one end of the transparent side protecting cover 5 of the present invention is an L-shaped protruding block or a T-shaped protruding block, and can be quickly connected with a cover plate 4 through the protruding block 5-2, and the third fastening member 8 arranged at the side channel 4-1 is a bolt with a square bolt head, or a bolt with two parallel sides on the bolt head, and the nut is screwed on the bolt, and then the nut is operated by a wrench.
As shown in FIG. 7, the transparent side protecting cover 5 of the invention can be better arranged at the two insulating joint seats 3, the transparent side protecting cover 5 is provided with inward flanges 5-3 at the left side and the right side, and the two inward flanges 5-3 are respectively connected with the inner sides of the sealing plates 3-1 at the two sides.
The invention also has a temperature sensor, the first fastener connects the temperature sensor and the connecting copper bar 9-2 to the connecting part of the conductive copper bar 2, each connecting part is provided with the temperature sensor, the cable of the temperature sensor passes through the insulating joint seat 3, the temperature sensor detects the temperature of the copper bar at the electric connecting part of the distribution bus duct, and the temperature sensor performs temperature early warning, thereby solving the problem that the electric connecting part of the distribution bus duct is easy to cause overhigh temperature rise due to poor contact and then cause accidents. The temperature sensor of the invention adopts an OT terminal NTC temperature sensor.
When the two-section power distribution bus duct is assembled, after the two sections of power distribution bus ducts are approximately parallel, the inner panel 7 is firstly placed into the upper channel 1-4 and the lower channel 1-7 of the bus duct main body 1 respectively, the two conductive bus ducts are aligned and tightly attached, the cover plate 4 is placed at the top and the bottom of the conductive bus duct respectively, the cover plate 4 is installed on the inner panel 7 through a second fastening piece, the two cover plates 4 are fixed on the upper side and the lower side of the connecting parts of the two conductive bus ducts, then the two connecting copper bars 9-2 of the electric connecting piece 9 are connected with the connecting parts of the corresponding conductive copper bars 2, the connecting copper bars 9-2 are fixed on the connecting parts of the conductive copper bars 2 through a first fastening piece, when temperature monitoring is needed, the temperature sensor and the connecting copper bars 9-2 can be fixed on the connecting parts of the conductive copper bars of the two bus ducts through the electric connecting piece 9, reliable connection is ensured, finally the convex blocks 5-2 of the transparent side protecting cover 5 are inserted into the side channels 4-1 of the cover plate 4, the transparent side protecting cover 5 can be fixed on the connecting heads of the two side nuts 5-1, and the transparent protecting cover can be fixed on the side nuts 5.
Claims (5)
1. A distribution bus duct, its characterized in that: the bus duct comprises a bus duct body (1), a conductive copper bar (2) and an insulating joint seat (3), wherein the bus duct body (1) comprises a top plate (1-1), side plates (1-2) on two sides and a bottom plate (1-3) which are formed into a long strip shape with three closed surfaces and an opening at the bottom; t-shaped ribs are symmetrically arranged on a top plate (1-1) of the bus duct main body (1) and form an upper groove (1-4), notches (1-21) for installing an insulating joint seat (3) are formed at the connecting ends of two side plates (1-2), at least two opposite copper bar grooves are formed in the inner sides of the two side plates (1-2) of the bus duct main body (1), an upper limit groove (1-5) is formed by inner protruding blocks arranged at the lower parts of the two sides of the top plate (1-1) and the side plates (1-2), a lower limit groove (1-6) is formed by L-shaped ribs (1-22) extending inwards and the side plates (1-2) at the lower parts of the two side plates (1-2), and a lower groove (1-7) is formed by the bottom plate (1-3) and the L-shaped ribs (1-22);
The insulating joint seat (3) comprises an inner partition plate (3-3) and a sealing plate (3-1) positioned on the three peripheries of the inner partition plate (3-3), wherein the sealing plate (3-1) is respectively provided with an outer convex rib (3-4) at the upper side and the lower side, the inner side of the sealing plate (3-1) is provided with an orifice corresponding to the penetration of the conductive copper bar (2), the outer convex rib (3-4) on the sealing plate (3-1) is arranged in a corresponding upper limit channel (1-5) and lower limit channel (1-6), the insulating joint seat (3) is arranged at a notch (1-21) of the side plate (1-2) and covers the notch (1-21), and the opening end of the insulating joint seat (3) is flush with the end face of the bus duct main body (1);
The conductive copper bars (2) are installed in the copper bar channels corresponding to the two side plates (1-2) in an insulating mode, the connecting parts of the conductive copper bars (2) penetrate through the holes in the sealing plates (3-1) of the insulating joints, and the connecting parts of the conductive copper bars (2) are provided with corresponding connecting holes;
The inner side of the inner partition plate (3-3) of the insulating joint seat (3) is also provided with a partition cap (3-5), and the partition cap (3-5) corresponds to the connecting hole of the conductive copper bar (2);
The insulating joint seat (3) is provided with an outward flange (3-11) wrapped at the notch (1-21) at the outer side of the sealing plate (3-1), and the outward flange (3-11) is attached to the corresponding side plate (1-2);
the bus duct main body (1) is also provided with outer baffle plates which extend upwards and are bent towards the top on the two side plates (1-2), and the outer baffle plates, the T-shaped ribs and the top plate (1-1) form an outer channel (1-8) with an upper opening;
The bus duct body (1) is in a straight line shape, the connecting ends of the bus duct body (1) at the two ends of the side plates (1-2) are provided with notches (1-21), or the connecting ends of the bus duct body (1) at the same end of the two side plates (1-2) are provided with notches (1-21).
2. A power distribution busway as in claim 1, wherein: the insulating joint seat is characterized in that the inner partition plate (3-3) of the insulating joint seat (3) is also provided with a corresponding limit seat (3-2), and the limit seat (3-2) comprises an inner support block at the inner side and a convex isolation block (3-21) for limiting and isolating the upper side and the lower side of the connecting part of the conductive copper bar (2).
3. The utility model provides a connecting device of distribution busbar which characterized in that: comprising an electrical connection, an inner panel (7), a cover plate (4), a transparent side cover (5) and two distribution bus ducts according to one of claims 1 to 2;
The two power distribution bus duct ends are spliced and aligned to enable the opening sides of the two insulation joint seats (3) to be spliced to form a concave box body, the electric connecting piece comprises an insulation board (9-1) and at least two connection copper bars (9-2) fixed on the insulation board (9-1) at intervals, mounting holes corresponding to the connected conductive copper bars (2) are formed in each connection copper bar (9-2), the electric connecting piece is arranged in the two insulation joint seats (3), and a first fastening piece penetrates through the mounting holes of the connection copper bars (9-2) to be fixed with the connecting holes in the conductive copper bars (2);
The inner panel (7) is a flat plate and is provided with a plurality of threaded holes, and the inner panel (7) is respectively arranged in the upper channel (1-4) and the lower channel (1-7) of the two power distribution bus grooves;
The cover plate (4) is provided with a plurality of mounting holes corresponding to the inner panel (7), two sides of the cover plate (4) are provided with side channels (4-1) with side openings, the cover plate (4) is respectively arranged at the top and the bottom of the connecting parts of the two distribution bus ducts, and a first fastener penetrates through the mounting holes on the cover plate (4) and is screwed into the threaded holes of the inner panel (7) to fix the cover plate (4) on the distribution bus ducts;
the transparent side protecting cover (5) is provided with a convex block (5-2) and a notch (5-1) which correspond to the two side channels (4-1), the transparent side protecting cover (5) covers the two insulating joint seats (3) and is connected with the two cover plates (4), the convex block (5-2) at one end of the transparent side protecting cover (5) is inserted into the side channel (4-1) of one cover plate (4) and is connected with the cover plate (4), and the other side of the transparent side protecting cover (5) is connected with the other cover plate (4) through a third fastening piece (8) arranged at the side channel (4-1).
4. A connection device for a distribution busbar according to claim 3, wherein: the temperature sensor is further provided with a temperature sensor, the first fastening piece is used for connecting the temperature sensor and the connecting copper bar (9-2) to the connecting part of the conductive copper bar (2), and a cable of the temperature sensor penetrates out of the insulating joint seat (3).
5. A connection device for a distribution busbar according to claim 3, wherein: the left side and the right side of the transparent side protecting cover (5) are provided with inward flanges (5-3), and the two inward flanges (5-3) are respectively connected with the inner sides of the sealing plates (3-1) at the two sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211034154.3A CN115313275B (en) | 2022-08-26 | 2022-08-26 | Connecting device for distribution bus duct and distribution bus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211034154.3A CN115313275B (en) | 2022-08-26 | 2022-08-26 | Connecting device for distribution bus duct and distribution bus |
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| CN115313275A CN115313275A (en) | 2022-11-08 |
| CN115313275B true CN115313275B (en) | 2024-07-23 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992482A (en) * | 2017-03-08 | 2017-07-28 | 突破电气（天津）有限公司 | Bus duct, bus-bar system and connection method |
| CN109494660A (en) * | 2017-09-11 | 2019-03-19 | 郭文艺 | A kind of bus duct system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE335879B (en) * | 1968-05-27 | 1971-06-14 | Elektroverken I Gaevle Ab | |
| DE20211347U1 (en) * | 2002-07-27 | 2002-09-26 | Anton Hummel Verwaltungs Gmbh, 79183 Waldkirch | End fittings |
| CN2899217Y (en) * | 2006-05-25 | 2007-05-09 | 吉林正安电气有限公司 | Closed aluminum-alloy casing bus wire slot |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992482A (en) * | 2017-03-08 | 2017-07-28 | 突破电气（天津）有限公司 | Bus duct, bus-bar system and connection method |
| CN109494660A (en) * | 2017-09-11 | 2019-03-19 | 郭文艺 | A kind of bus duct system |
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