CN213402380U - Bus duct and system, with groove complex block terminal - Google Patents

Abstract

The utility model relates to an electrical equipment field discloses a bus duct and system, with groove complex block terminal, the power box is connected to the one end terminal surface of bus duct, and the block terminal can imbed arbitrary position on the length direction of the open cavity of bus duct. The utility model discloses it is little to possess the space, and the block terminal can be according to actual power consumption needs adjustment quantity, position and single three-phase, strong adaptability. The modularized bus duct and the distribution box are flexible to install and safe to use, and no engineering-level change is involved in repairing, upgrading and increasing circuits.

Description

Bus duct and system, with groove complex block terminal

Technical Field

The utility model relates to an electrical equipment field, more specifically relates to a bus duct and system, with groove complex block terminal.

Background

With the emergence of modern engineering facilities and equipment, the power consumption of various industries is rapidly increased, particularly, the appearance of high-rise buildings and large-scale factory workshops, the traditional cable serving as a power transmission wire cannot meet the requirement in a large-current transmission system, and the parallel connection of multiple cables brings inconvenience to field installation, construction and connection. Meanwhile, a plurality of safety problems exist, and the electric shock risk is high when cables are crossed and intensive.

The bus system has series matching and commercial production, and can be manufactured in large batch at low cost. The novel low-voltage power transmission main line has the characteristics of compact structure, high current carrying capacity, high protection level, convenience in electric energy distribution, long service life and the like, and wires and cables are gradually replaced in indoor low-voltage power transmission main line engineering projects.

The existing bus system generally uses a box type or closed pipe slot type bus duct, a fixed electricity taking position is arranged on the bus duct, a power distribution module can only be arranged according to the electricity taking position and is installed outside a shell of the bus duct, so that the whole bus system occupies a large space, and when the type or position of equipment needs to be changed, the bus duct cannot adapt.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at overcoming above-mentioned prior art's at least one defect (not enough), provide a bus duct and system, with groove complex block terminal for solve the great problem of current bus-bar system occupation space.

The utility model discloses a bus duct, include: a first side surface; a second side surface; a connecting portion; a plurality of conductive strips; the connecting part is connected between the first side surface and the second side surface; the first side surface, the second side surface and the connecting part form an open cavity, and the open cavity is used for inserting a distribution box; the first side surface is provided with the conductive bar fixed through the insulating fixing piece and used for electrically connecting a live wire of the power supply box and/or the distribution box; the second side surface is provided with the conducting bar fixed through the insulating fixing piece and used for electrically connecting the zero line and/or the ground wire of the power box and the distribution box, and one conducting bar is connected with one zero line or one ground wire. The live wire and the ground zero wire are divided at two side surfaces, the ground wire and/or the zero wire can be inserted into the power distribution module firstly, then the live wire is inserted, and the inserting process is safer. The distribution box can be accommodated in an open cavity formed by the first side face, the second side face and the connecting portion, the connecting portion separates the conductive bars arranged on the first side face and the second side face, and the distribution box is convenient to install in a reserved space. After the bus duct is connected with the distribution box, the side face of the bus duct covers the distribution box. Compare in prior art's bus-bar system, the bus duct is three-dimensional box structure, and the block terminal possesses two cubical spaces, the utility model discloses open bus duct both only possess a cubical space after the installation block terminal.

Further, the first side surface comprises three conductive strips, and the three conductive strips are used for electrically connecting live wires of the power box and the distribution box; the second side surface comprises two conductive strips which are used for electrically connecting the power supply box and the zero line and the ground wire which are respectively used for connecting the distribution box. The bus duct can be provided with a power supply conductor and a protection conductor according to L + N + PE, L1+ L2+ L3, L1+ L2+ L3+ N and L1+ L2+ L3+ N + PE systems, so that the requirement of electric loads is met.

Furthermore, the insulation fixing piece is provided with at least two insulation cushion blocks on the first side face and/or the second side face in the length direction of each conductive strip, and the conductive strips are clamped at multiple points.

The utility model discloses still include a block terminal, include: an electrical component; a socket; it is characterized by also comprising: the box body is embedded into the bus duct, and a first panel and a second panel are arranged on any two outer side surfaces of the box body; the first panel is matched with a first side face of the bus duct, and after the distribution box is plugged in the bus duct, the first panel is adjacent to the first side face; the second panel is matched with a second side face of the bus duct, and after the distribution box is plugged in the bus duct, the second panel is adjacent to the second side face; the electrical element is arranged in the box body and is electrically connected with the bus duct; the socket is arranged on the exposed side surface of the box body after the box body is embedded into the bus duct. The distribution box is embedded in the open cavity of the bus duct, the outer surface side of the first panel is close to the inner side of the first side surface of the bus duct, the outer surface side of the second panel is close to the inner side of the second side surface of the bus duct, the outer surface side of the second panel and the inner side of the second side surface of the bus duct form a box body structure, the distribution box occupies a small space, can be arranged in a plurality of positions such as a building ceiling and a pipeline, and has strong adaptability.

Further, the distribution box further comprises a confluence structure for electrically connecting the electric element with the conductive strip of the bus duct, and the confluence structure comprises a first confluence structure and a second confluence structure; the first bus structure is arranged on the first panel and used for connecting the conductive strips on the first side surface of the bus duct; and the second bus structure is arranged on the second panel and is used for connecting the conductive strips on the second side surface of the bus duct. The integrated electricity of collection flow structure connects block terminal and bus duct.

Furthermore, the confluence structure is provided with a groove, and two sides in the groove are provided with electric connection sheets which are connected with an electric element and used for connecting a conductive strip. The groove increases the contact area of the bus structure and the conductive strip, and the bus structure is stably connected with the conductive strip.

Furthermore, an elastic element is arranged between the electric connection sheet and the groove and used for elastically pressing the electric connection sheet and the conductive strip. The bus structure is quickly inserted into or detached from the conductive strip through the deformation of the elastic piece.

Further, the distribution box is a single-phase distribution box or a three-phase distribution box. Different types of distribution boxes can be plugged in the same bus duct.

The utility model also provides a bus system, which comprises the bus duct and the distribution box, and also comprises a power box; one end face of the bus duct is connected with the power supply box, and the internal bus bar is electrically connected with the power supply box; the distribution box is embedded into any position in the length direction of the bus duct open cavity, and an electric element in the distribution box is electrically connected with the conductive strip. The bus duct and the distribution box of the bus system are assembled into an integral box body structure, and the occupied space is reduced.

And the bus bars on the first side of the bus duct are connected into a live wire of the power box, and the bus bars on the second side of the bus duct are connected into a zero wire and a ground wire of the power box. The distribution box can be embedded into any position in the length direction of the bus duct open cavity, online hot plugging can be performed, position change and quantity can be performed according to actual power consumption requirements, engineering grade change is not involved, other running power consumption equipment is not affected, the arrangement is flexible, and the adaptability is high.

Furthermore, the bus system also comprises a bus duct section connecting device which is used for connecting the two bus ducts in a front-back manner. The bus system expands the length of the bus duct through the bus duct section connecting device.

Furthermore, the busway section connecting device comprises two clamping seat groups, and each clamping seat group is provided with a plurality of clamping seats;

the number of the clamping seats of the two clamping seat groups is correspondingly matched with the number of the conducting strips on the first side surface and the second side surface of the bus duct respectively, and at least gaps with the same number as the conducting strips are formed between the clamping seats; each clamping seat group is provided with a protective cover; the protective cover is of a cavity structure, and the clamping seats are assembled in the cavity structure of the protective cover; the clamping seats of each clamping seat group are adjacently arranged in the cavity structure to form a gap, the side surfaces of the clamping seats adjacent to the other clamping seat are provided with conductive structures, the conductive structures are used for respectively connecting the first side surface and the second side surface of the front bus duct and the rear bus duct to two sides of the corresponding cavity structure, and when bus bars on the first side surface and the second side surface of the bus duct are inserted into the gaps of the corresponding clamping seat groups, the bus bars are electrically connected with the bus bars.

Further, the bus system also comprises a rear section protective cover and a front section protective cover; the front section protective cover and the rear section protective cover are connected and then sleeved outside the two clamping seat groups and are connected with the front bus duct and the rear bus duct to form a sealing structure.

Furthermore, the bus system also comprises an end cover which is arranged on the bus duct and the other end surface opposite to the end surface connected with the power supply box. The end cover is used as an independent component, and the end side of the bus bar system can be sealed under the configuration of a single bus bar groove or the addition of a plurality of bus bar grooves.

Further, the bus system further comprises at least one sealing cover, wherein the sealing cover is used for buckling the bus duct, and the bus duct exposed section is arranged between the distribution box and the power supply box and/or between the distribution box and/or between the distribution box and the end cover. And after the number and the position of the bus ducts and the distribution boxes are adjusted according to actual power consumption requirements, the whole bus system is sealed by the sealing cover.

Further, the length of the distribution box is the same as the length of the sealing cover. The distribution box and the sealing cover can be mutually correspondingly and replaceably installed.

Compared with the prior art, the beneficial effects of the utility model are that: the whole bus system occupies smaller space, and more bus systems or electric equipment can be arranged in unit space, so that better economic benefit is brought. The block terminal can be according to actual power consumption needs adjustment quantity, position and single three-phase, strong adaptability. The modularized bus duct and the distribution box are flexible to install and safe to use, and no engineering-level change is involved in repairing, upgrading and increasing circuits.

Drawings

Fig. 1 is the bus duct structure diagram of the utility model.

Reference numerals: a first side 201; a second side 202; a connecting portion 203; a conductive strip 204; insulating spacers 205.

Fig. 2 is the utility model discloses a block terminal assembly drawing.

Reference numerals: a first side 201; a second side 202; a connecting portion 203; a conductive strip 204; an insulating spacer 205; a distribution box 300; a socket 303.

Fig. 3 is a back view of the distribution box of the present invention.

Reference numerals: a first panel 301; a second panel 302; a snap fastener 304; a first bus structure 305; a second bus structure 306; electrical connection pads 308.

Fig. 4 is the explosion diagram of the distribution box of the present invention.

Reference numerals: a socket 303; a snap fastener 304; an electrical element 307; and a smart monitoring module 309.

Fig. 5 is a system diagram of a single bus duct of the present invention.

Reference numerals: a power supply box 100; a bus duct 200; a distribution box 300; a sealing cap 400; end cap 500.

Fig. 6 is an exploded view of the power box of the present invention.

Reference numerals: a switching device 110; an electric energy meter 121; a transformer 122.

Fig. 7 is a diagram of a multi-busway system according to the present invention.

Reference numerals: a power supply box 100; a bus duct 200; a distribution box 300; a busbar trough section connecting device; a sealing cap 400; end cap 500.

Fig. 8 is an exploded view of the busway section connecting device of the present invention.

Reference numerals: a first clamping shoe group 610; a second clamping seat group 620; a front protective cover 630; a rear segment boot 640.

Fig. 9 is an exploded view of the first clamping seat set of the present invention.

Reference numerals: a clamping seat 611; a protective cover 612.

Fig. 10 is an exploded view of the second clamping seat set of the present invention.

Reference numerals: a clamping seat 611; a protective cover 612.

Fig. 11 is a hanging drawing of the bus system of the present invention.

Description of the labeling: a bus duct 200; hoisting the groove 207; a screw suspending device 700; a screw 800.

Fig. 12 is a side hanging view of the bus bar system of the present invention.

Description of the labeling: a bus duct 200; a lateral hanger 208; a fixing plate 901; a fixed cavity 902; square tube 903.

Detailed Description

The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1, the present embodiment provides a bus duct, which includes a first side 201, a second side 202, a connecting portion 203, a plurality of conductive bars 204 and an insulating spacer 205. The first side 201 and the second side 202 form a certain angle and are connected through the connecting part 203, the three form a multi-side structure, an inner cavity provides a position for installing the distribution box in an embedded mode, the connecting part 203 separates a conductive strip of the first side 201 from a conductive strip of the second side 202, the cavity volume of the bus duct is enlarged, the shape of the cavity is not limited, the cavity is used for enabling a circuit to be not prone to short-circuit, and meanwhile, position adjusting spaces are reserved for connecting parts of the two sides when the distribution box is installed, and therefore the insertion is facilitated. First side 201 and second side 202 each laminate a side of block terminal, the bus duct covers the block terminal surface through above-mentioned mode, compares with traditional bus duct, block terminal independent one-tenth case respectively, has saved more spaces. The first side 201 and the second side 202 of this embodiment are preferably perpendicular, so that the bus duct can adapt to places such as indoor wall corner, forms regular cube with the block terminal, and this is the box structure setting of mainstream.

The first side surface 201 and the second side surface 202 are provided with insulating spacers 205 on the side facing the cavity, the number, distribution position and installation mode of the insulating spacers 205 are not limited, and the purpose is to insulate the first side surface 201 and the second side surface 202 from the conductive bar 204, so as to avoid conducting electricity outside the bus duct. The insulating pad 205 is mounted on the side groove, and the stop jackscrew is arranged between the positions of the insulating pad 205 on the side groove, so as to further prevent the insulating pad 205 from displacing in the length direction of the first side surface and/or the second side surface. The first side face and/or the second side face can also be provided with no side groove, and the insulating cushion block is connected with the first side face and/or the second side face in other modes such as gluing.

The first side surface 201 is provided with a plurality of conductive strips 204 at the inner side of the cavity for connecting the live wire of the power box, the number of the conductive strips can be one to three, and the second side surface 202 is provided with two conductive strips 204 at the inner side of the cavity for connecting the zero line and the ground wire of the power box respectively. The conductive strips 204 extend in the length direction of the first side surface 201 and/or the second side surface 202, and protrude from the bus duct in a head-to-tail manner. The protruding part on one side is used for being connected into a power supply box to get electricity, the protruding part on the other side is used for being connected with other bus bars of the expanded bus duct, the length of the protruding part can be cut according to actual needs, and if the tail end of the bus bar system is sealed, the protruding part of the bus bar 204 is completely cut, and sealing can be achieved. The conductive strip 204 is fixed inside the bus duct cavity by the insulating protrusion 205, does not contact the first side 201 and/or the second side 202, and is exposed to a part for contacting a conductive structure of a distribution box for electrical connection, is the same in the length direction, and can be inserted into the distribution box at any position. The number and shape of the conductive strips 204 are not limited. At least one conductive strip is arranged on the first side surface 201, at least two conductive strips are arranged on the second side surface, and the distribution box can be electrified after being plugged. The shape of the conductive strip may be variously selected to be adapted to the connection manner of the insulating protrusion 205. Preferably, the first side surface 201 of the present embodiment is provided with three conductive strips 204 to connect with the live wire, the number of the plugged distribution box can select to connect with the live wire according to the power demand, and the three conductive strips connecting with the live wire can satisfy the connection method of L + N + PE, L1+ L2+ L3, L1+ L2+ L3+ N, L1+ L2+ L3+ N + PE. The cross section of each conductive strip is T-shaped, the insulating cushion block 205 is correspondingly of a groove structure, one side surface of the conductive strip 204 is tightly held by the groove, and the other side surface of the conductive strip protrudes out of the insulating cushion block 205 for electrical connection.

Example 2

As shown in fig. 2, 3 and 4, the present embodiment provides a distribution box mounted on the bus duct described in embodiment 1. The distribution box is of a box structure, and a first panel 301 and a second panel 302 are respectively arranged on two side faces of the distribution box. In this embodiment, the above-mentioned first side 201 of bus duct and the second side 202 vertically position relation of cooperation, the block terminal is the cuboid box, the both sides face is the both sides face that the adjacent side of box is the longest side, the side of the first side 201 of adjacent above-mentioned bus duct is equipped with first panel 301, first panel 301 is fixed in first side 201 through buckle mounting 204, buckle mounting 204 and first panel 301 integrated into one piece, the length direction is equipped with the bolt hole, the cross section is the L style of calligraphy, the outer edge of its first side 201 of cavity lock, it compresses tightly to twist the bolt messenger buckle mounting 204 and first side 201 outer edge, accomplish fixedly. Similarly, a second panel 302 is disposed adjacent to the side of the second side 202, and the second panel 302 is also provided with a snap fastener 204 for connecting the second side 202. The distribution box is integrally embedded into a cavity of the bus duct, covered by the first side surface 201 and the second side surface 202, and exposed from both end side surfaces and two side surfaces opposite to the first panel 301 and the second panel 302 respectively. After the same distribution box and/or sealing element are inserted in the length direction of the bus duct, a cube is formed, and compared with a traditional distribution box, the distribution box is a box body after being connected with the bus duct, and the occupied space is small.

The electrical component 307 is disposed in the distribution box, and the socket 303 is disposed on a side surface opposite to the second panel 302, and a position of a jack thereof corresponds to the electrical component 307 disposed in the distribution box. After the distribution box is inserted into the bus duct, the electric element 307 is electrically connected with the bus bar 304 of the bus duct, the electric equipment is electrically connected with the electric element 307 after being connected into the socket 303, the bus duct gets electricity from the power supply box, the distribution box distributes electricity through the bus bar, and the electric equipment is electrified after being connected with the distribution box. In this embodiment, the socket 303 may be disposed on the side opposite to the first panel 301, and preferably, the side opposite to the second panel 302 is selected so that the jack faces the user, and the plugging position of the electric device is easier to determine. In other embodiments, the socket is not limited to the side face of the distribution box, and is the exposed side face of the distribution box after the distribution box is plugged into the bus duct.

The electrical element 307 and the conductive strips 304 can be electrically connected by wires, etc., in this embodiment, the electrical connection is preferably implemented by using bus structures, which are disposed in one-to-one correspondence with the conductive strips, the first bus structure 305 is disposed on the first panel 301, and the second bus structure 306 is disposed on the second panel 302. The structure of the bus structure needs to match the conductive strip and the connection mode with the conductive strip, the bus structure of this embodiment is provided with a groove for accommodating the protruding portion of the conductive strip 304 after being mounted on the insulating pad 205, and the groove is provided with electrical connection sheets 308 with unlimited number and position for electrically connecting the conductive strip 304. Further, in order to quickly complete the insertion or removal, the present embodiment provides an elastic member between the groove and the electrical connection pad 308. During plugging, the second bus structure 306 is pressed against the conductive strip 304 on the second side 202, the electrical connection sheet 308 is pressed, the elastic member is compressed, the conductive strip 304 penetrates into the bottom of the groove, the elastic member is pressed tightly, the electrical connection sheet contacts and presses the protruding portion of the conductive strip 304, and then the first bus structure 305 and the conductive strip 304 on the first side are connected in the same manner. The disassembly is the reverse process of plugging, and after the conductive bar 304 leaves the groove of the bus structure, the elastic piece recovers deformation, and the position of the electric connection sheet becomes the initial state. Similarly, the first bus structure 305 may be plugged first, and then the second bus structure 306 may be plugged, but for safety, the conductive strip connected to the first side surface 201 by the first bus structure 305 is a live wire end, the distribution box is electrified after plugging, and then the second bus structure 306 is plugged, so that the second bus structure 306 is preferably plugged first, and then the first bus structure 305 is plugged. After the distribution box 300 is spliced, the first side surface 201 of the bus duct is adjacent to the first panel 301, and the second side surface 202 of the bus duct is adjacent to the second panel 302, and the shapes of the two side surfaces are matched with each other. It should be noted that, the difference between the first side and the second side is that the phase lines for connecting the power supply boxes are different, and the arrangement positions of the first side and the second side on the bus duct are not limited.

As shown in fig. 4, the distribution box is a single-phase distribution box or a three-phase distribution box, and the single-phase distribution box and the three-phase distribution box can be plugged into the same bus duct at the same time. When one of the bus ducts is pulled out of the distribution box, the other distribution box still can normally get electricity from the bus bars, and the operation of power consumption equipment is not influenced. In this embodiment, an intelligent monitoring module 309 is preferably disposed in the middle of the box body for monitoring the electricity consumption condition, and is connected to the collector or HMI through a wired or wireless network. An expansion vacancy is reserved between the intelligent monitoring module 309 and the electrical element 307, and the electrical element can be added according to the actual power utilization requirement.

It is worth explaining, the utility model provides a block terminal does not restrict its box shape, carries out the adaptation according to above-mentioned bus duct, with same block terminal and/or seal structure install to the bus duct after form a box, leave expose the side-mounting socket can. The connection mode between the distribution box and the bus duct is not limited, and the snap fastener 204 is not a necessary component.

Example 3

As shown in fig. 5, this embodiment provides a bus bar system including a bus bar duct according to embodiment 1 and a distribution box according to embodiment 2. The bus bar system includes a power box 100, a bus duct 200, one or more power distribution boxes 300, a sealed enclosure 400, and an end cap 500. As shown in fig. 6, a switch device 110 is arranged in the box body of the power box, the switch device 110 is connected to a cable to get power and controls whether the circuit is closed and powered on, a through hole having the same cross section as the bus duct 200 is arranged on the opposite side of the power box 100 connected to the side of the cable, and a conductive strip 204 on the bus duct 200 passes through the through hole to be connected to the switch device 110 and is respectively and correspondingly electrically connected to a live wire, a zero wire and a ground wire. Preferably, the present embodiment is provided with an electric energy meter 121, a transformer 122 and an intelligent monitoring module, and a cable interface for connecting the intelligent monitoring module 130 by wire is opened on the side of the box body. Mutual-inductor 122 and electric energy meter 121 cooperation work, measure the electric energy of power box 100, intelligent monitoring module obtains electric energy meter 121's measuring result, inserts the net twine or wireless transmission electric energy detection data through the net twine interface. The relative positions of the above-described plurality of components are not limited.

The groove body end face of the bus duct 200 is connected to the through hole in the end face of the power supply box, the internal conductive bar is electrically connected with the switch equipment of the power supply box, the groove body is fixed to the side face of the box body of the power supply box, the fixing mode of the groove body is not limited, and the fixing piece with the bolt hole is used for fixing the groove body. A plurality of distribution boxes 300 can be inserted into the bus duct 200, and the distribution boxes are connected in parallel, so that one or more distribution boxes are unplugged, and the power supply of other distribution boxes which are inserted and electrified is not influenced. In this embodiment, as shown in fig. 5, a distribution box 300 is installed on the bus duct 200, and the installation position is not necessarily the position shown in the figure, and can be adjusted left and right in the length direction of the bus duct 200 according to the actual power demand.

An end cover 500 is arranged on the other end face of the bus duct 200 opposite to the end face connected with the power supply box 100. The shape of the end cap 500 and the connection method with the bus duct 200 are not limited, and the end cap may cover the end face of the bus duct 200 to form a seal. In this embodiment, the end cap 500 is preferably provided as a fastener with a protruding cavity, which is fastened to the end surface of the bus duct 200 for quick connection; the protruding cavity is a reserved space inside the bus duct and can be used for placing protruding conductive strips.

The sealing covers 400 having different lengths are provided in the gaps between the distribution box 300 and the power supply box 100 and between the distribution box 300 and the end cover 500, and in other embodiments in which a plurality of distribution boxes 300 are installed, the sealing covers 400 may be provided in the gaps between the distribution boxes. The cross section of the sealing cover 400 is matched with that of the distribution box 300, so that the distribution box 300, the sealing cover 400 and the end cover 500 are installed in the bus duct 200 to form a single sealing box body. Preferably, the length of the distribution box 300 is the same as the length of the enclosure 400, and the enclosure 300/enclosure 400 can be replaced by another one without changing other parts of the bus bar system, by detaching the distribution box 300/enclosure 400 and replacing the enclosure 400/distribution box 300 at the same position.

Example 4

As shown in fig. 7, the bus bar system of the present embodiment is different from embodiment 3 in that it further includes a bus bar duct segment connecting device 600 and two bus bars 200 are added, and the bus bars 200 are connected by the bus bar duct segment connecting device 600. As shown in fig. 8, the busway section connecting apparatus 600 includes a clamping shoe set, a front protection cover 630 and a rear protection cover 640; the collet group includes a first collet group 610 and a second collet group 620.

As shown in fig. 9, the first clamping seat group 610 is mounted on the first side of the bus duct, and includes a clamping seat 611 and a protective cover 612. The present embodiment includes four clamping seats 611, and three gaps are formed between the clamping seats and correspond to three conductive strips of the bus duct. The protective cover 612 is an assembled protective cover, and comprises a front cover and a rear cover, wherein the front cover and the rear cover are respectively formed by two vertically connected panels and are L-shaped, bolt holes are formed in the front cover and the rear cover, the front cover covers the rear cover during assembly, a semi-open cubic cavity only comprising three sides is formed, bolt holes are formed in two opposite side faces of the cubic cavity, four clamping bases 211 are adjacently arranged in the cubic cavity, through holes are formed in the positions, corresponding to the bolt holes of the protective cover 211, of each clamping base 211, and are used for penetrating bolts from the outer side of the front cover, the bolts penetrate through the through holes and reach bolt holes of the rear cover, nuts are screwed at the tail end of the rear cover, the protective cover 612 and the clamping bases 611 are fixed. The gap between the two sides of the clamping seat 611 is exposed on the protective cover 612, and is used for inserting the bus bars of the two bus ducts back and forth, in order to avoid electrifying a plurality of bus bars of the same bus duct in the clamping seat group, the clamping seat 611 is insulated, and then a conductive structure is arranged on the side face of the clamping seat 211 forming the gap, so that the bus bars corresponding to the two bus ducts are electrically connected. Preferably, in this embodiment, an iron piece is further disposed on the side surface of the clamping seat 611 adjacent to the protective cover 612 without forming a gap, so as to enhance the compressive strength of the first clamping seat group 610. In order to further reinforce the adjacent arrangement of the four clamping seats 611, the present embodiment provides two through holes in each clamping seat 611 for passing two parallel bolts to clamp the tail portion exposed from the protective cover 612.

It should be noted that, the structure of the protective cover can be different from that of the present embodiment, and the protective cover is used for fixing a plurality of clamping seats and exposing the gap for inserting the conductive strip in front and back. The shape of the clamping seat and the connection mode of the clamping seat and the protective cover can be different from the embodiment, and a gap with a conductive structure can be formed and fixed.

As shown in fig. 8, the front protection cover 630 is connected between the first side surfaces of the two bus ducts, in this embodiment, the front protection cover 630 is provided with a fastening structure at two side edges respectively connected with the first side surface and the second side surface of the two bus ducts, so as to fix the first side surface and the second side surface of the two bus ducts, and other installation methods can also be used; similarly, the rear protective cover 640 is connected between two sealing covers, and according to the difference of the parts inserted in the parts of the front and rear bus ducts close to the bus duct section connecting device, the rear protective cover 640 can also be connected between two distribution boxes, between one distribution box and one sealing cover, so as to seal the exposed side surfaces of the bus ducts. The shapes of the front section protection cover 630 and the rear section protection cover 640 and the connection and fixation mode of the two are not limited, and the front section protection cover and the rear section protection cover need to be matched with the shape of the bus duct, and are the same as the side surface of the front bus duct and the rear bus duct after being connected to form a sealing structure.

When the bus duct is expanded, the conductive strips of the first side face and the second side face of the bus duct 200 connected with the power supply box are respectively and correspondingly inserted into the first clamping seat group 610 and the second clamping seat group 620 from one end of the bus duct section connecting device 600, the conductive strips of the expanded bus duct 200' are inserted from the other end, the conductive strips of the two bus ducts are electrically connected in a gap between the clamping seat groups, the front section protection cover 630 and the rear section protection cover 640 are connected with the front bus duct side face and the rear bus duct side face, the connection part is sealed, an auxiliary mounting tool is not needed, the internal structure is not needed to be adjusted, and the installation convenience is. Preferably, the utility model provides a bus-bar system accessible above-mentioned mode carries out a plurality of bus duct extensions.

Example 5

As shown in fig. 11, this embodiment provides a hoisting manner including the bus bar systems described in embodiments 3 and 4. The outer surface of the first side of the bus duct 200 is provided with a hoisting groove 207. The screw rod hanging device 700 is installed at any position in the length direction of the hoisting groove 207, two ends of the screw rod hanging device are pressed and fixed, and the surface side of the screw rod hanging device 700 is connected with the screw rod 800. A plurality of lead screw cable hangers 700 distribute on hoist and mount recess 207, can carry out the adjustment of quantity and position according to bus-bar system weight and power consumption place space, guarantee hoist and mount intensity. The bus system can be installed on the top of a cabinet or under the floor in the mode, so that an under-floor static pressure bin is not occupied, the air supply efficiency is improved, and the PUE value is optimized.

Example 6

As shown in fig. 12, this embodiment provides a side-hung installation including the bus bar systems described in embodiments 3 and 4. Lateral hanging devices 208 are arranged on the outer surface of the second side 202 of the bus duct 200. The fixing plate 901 of the wall fixing base is installed on the indoor wall surface of the electric field, and the fixing cavity 902 of the wall fixing base can be inserted into one end of the square pipe 903. The side of square pipe 903 imbeds side cable suspension device 208, and fixed chamber 902 is inserted to one end, accomplishes the side cable suspension of bus-bar system. The bus system can be installed on the side face of the production line in the mode, installation time is short, and time and labor cost are saved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (15)

1. A bus duct, comprising:

a first side surface;

a second side surface;

a connecting portion;

a plurality of conductive strips;

the connecting part is connected between the first side surface and the second side surface;

the first side surface, the second side surface and the connecting part form an open cavity, and the open cavity is used for inserting a distribution box;

the first side surface is provided with the conductive bar fixed through the insulating fixing piece and used for electrically connecting the live wires of the power box and the distribution box;

the second side surface is provided with the conducting bar fixed through the insulating fixing piece and used for electrically connecting a zero line and/or a ground wire of the power box and the distribution box.

2. The bus duct of claim 1,

the first side surface comprises three conductive strips, and the three conductive strips are used for electrically connecting live wires of the power box and the distribution box;

the second side surface comprises two conductive strips which are used for electrically connecting the power supply box and the zero line and the ground wire which are respectively used for connecting the distribution box.

3. The bus duct of claim 1,

at least two insulation fixing pieces are arranged on the first side face and/or the second side face in the length direction of each conducting strip.

4. An electrical box, comprising:

an electrical component;

a socket;

it is characterized by also comprising:

the bus duct is characterized by comprising a box body, a first panel and a second panel, wherein the bus duct is embedded into the box body according to any one of claims 1 to 3, and the first panel and the second panel are arranged on two outer side faces of the box body;

the first panel is matched with a first side face of the bus duct;

the second panel is matched with a second side surface of the bus duct;

the electrical element is arranged in the box body and is electrically connected with the conductive strips of the bus duct;

the socket is arranged on the exposed side surface of the box body after the box body is embedded into the bus duct.

5. The electrical box of claim 4, further comprising:

a bus structure for electrically connecting the electrical component with the bus duct, comprising a first bus structure and a second bus structure;

the first bus structure is arranged on the first panel and used for connecting the conductive strips on the first side surface of the bus duct;

and the second bus structure is arranged on the second panel and is used for connecting the conductive strips on the second side surface of the bus duct.

6. The electrical box of claim 5,

the confluence structure is provided with a groove, and two sides in the groove are provided with electric connection sheets which are connected with an electric element and used for connecting a conductive strip.

7. The electrical box of claim 6,

and an elastic piece is arranged between the electric connection sheet and the groove and used for elastically pressing the electric connection sheet and the conductive strip.

8. An electrical box according to any of claims 4 to 7,

the distribution box is a single-phase distribution box or a three-phase distribution box.

9. A bus bar system comprising a power box;

it is characterized by also comprising:

the bus duct of any of claims 1-3;

at least one electrical box according to any one of claims 4 to 8;

one end face of the bus duct is connected with the power supply box, and the internal bus bar is electrically connected with the power supply box;

the distribution box is installed at any position in the length direction of the bus duct open cavity, the box body of the distribution box is embedded into the bus duct open cavity, and an electric element in the distribution box is electrically connected with the conductive strip.

10. The bus bar system of claim 9,

the bus duct comprises at least two bus ducts;

the bus bar system further comprises: and the bus duct section connecting device is used for connecting the two bus ducts in a front-back manner.

11. The bus bar system of claim 9,

the bus duct section connecting device comprises two clamping seat groups, and each clamping seat group is provided with a plurality of clamping seats;

the number of the clamping seats of the two clamping seat groups is correspondingly matched with the number of the bus bars on the first side surface and the second side surface of the bus duct respectively;

each clamping seat group is provided with a protective cover; the protective cover is of a cavity structure, and the clamping seats are assembled in the cavity structure of the protective cover;

the clamping seats of each clamping seat group are adjacently arranged in the cavity structure to form a gap, the side surfaces of the clamping seats adjacent to the other clamping seat are provided with conductive structures, the conductive structures are used for respectively connecting the first side surface and the second side surface of the front bus duct and the rear bus duct to two sides of the corresponding cavity structure, and when bus bars on the first side surface and the second side surface of the bus duct are inserted into the gaps of the corresponding clamping seat groups, the bus bars are electrically connected with the bus bars.

12. The bus bar system of claim 11, further comprising:

a rear section protective cover;

a front section protective cover;

the front section protective cover and the rear section protective cover are connected and then sleeved outside the two clamping seat groups and are connected with the front bus duct and the rear bus duct to form a sealing structure.

13. The bus bar system according to any one of claims 9 to 12, further comprising:

and the end cover is arranged on the bus duct and the other end face opposite to the end face connected with the power supply box.

14. The bus bar system of claim 13, further comprising:

at least one sealed cowling, lock the bus duct is located bus duct between block terminal and the feeder box and/or between block terminal and the block terminal and/or between block terminal and the end cover exposes the section.

15. The bus bar system according to any one of claims 9 to 12,

the length of block terminal is the same with the length of sealed cowling.

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