CN210007054U

CN210007054U - kinds of bus-bars

Info

Publication number: CN210007054U
Application number: CN201921218292.0U
Authority: CN
Inventors: 胡国雄; 王安辉
Original assignee: Guangdong Shi Fu Electric Industry Co Ltd
Current assignee: Guangdong Shi Fu Electric Industry Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-01-31
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a kind of busbar, including the insulating mounting of a plurality of busbar and fixed busbar, be equipped with a plurality of and each busbar complex mounting groove on the insulating mounting, be equipped with a plurality of connecting holes along length direction on the busbar, centre-to-centre spacing between two adjacent connecting holes equals with monopole circuit breaker's width.

Description

kinds of bus-bars

Technical Field

The utility model relates to an electrical equipment field especially relates to kinds of busbar.

Background

The XM type lighting distribution box is widely applied to lighting distribution lines with 50Hz alternating current, 220V/380V rated voltage and smaller rated current ( is below 63A) in places such as hotels, apartments, high-rise buildings, ports, stations, airport warehouses, hospitals, factories and mining enterprises, the traditional technology wiring of the XM type lighting distribution box is a wire required by manual or semi-automatic manufacture at present and is used for connecting a live wire, a zero wire, a plurality of miniature circuit breakers and the like, the wiring steps are complicated, the required specification wire is manufactured, the traditional technology of manual wiring is inconvenient for wiring of various combinations of circuit breakers with different pole numbers (such as 1P, 2P, 3P, 4P and the like), the traditional wiring mode needs to bend the wire and then cross-connect the wire, and the safety hidden danger that the wire is poor in contact and generates heat when the wire runs under full load is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that kinds of busbars are provided, guarantee all circuit breakers's wiring end to the system of the connecting wire length of busbar, standardized wiring.

The technical scheme adopted for solving the technical problems is as follows:

bus bar, including a plurality of busbar and the fixed insulating mounting of busbar, be equipped with a plurality of and each busbar complex mounting groove on the insulating mounting, be equipped with a plurality of connecting holes along length direction on the busbar, adjacent two centre-to-centre spacing between the connecting hole equals with single-pole circuit breaker's width.

Preferably, the center distance between two adjacent connecting holes is 9mm or 18 mm.

Preferably, the top of the insulation fixing piece is provided with a plurality of grooves.

Preferably, the conducting bar is embedded in the mounting groove, and two sides of the top of the mounting groove are provided with protruding blocks extending towards the middle, and the protruding blocks limit the position of the conducting bar in the vertical direction.

Preferably, the bottom of the mounting groove is provided with a notch which is concave downwards.

Preferably, the fixing frame further comprises a fixing frame, the fixing frame comprises a middle plate, a plurality of protrusions arranged on the side of the middle plate and a flange arranged on the other side of the middle plate, the protrusions are matched with the mounting grooves in the insulating fixing piece, and mounting holes are formed in the flange.

Preferably, the wire lug further comprises an th head and a second head, the th head is in plug fit with the connecting hole on the conductive strip, and a plurality of elastic strips are arranged on the circumferential wall of the th head.

Preferably, the number of said conductive strips is 2.

Preferably, the number of said conductive strips is 4.

The beneficial effects of the utility model are that this busbar, in the block terminal, install in miniature circuit breaker's top, mounting groove installation busbar on through insulating mounting, through the connecting hole wiring on the busbar, centre-to-centre spacing between two adjacent connecting holes is the same with monopole circuit breaker's width, multipole circuit breaker's width is a plurality of times of monopole circuit breaker width, then when installing the circuit breaker of a plurality of different numbers of poles, all correspond corresponding connecting hole directly over every circuit breaker's connector lug, thereby when using wire connection circuit breaker and connecting hole, can guarantee the wiring end of all circuit breakers to the system of the connecting wire length of busbar, standardized wiring, reduce the system of bending and the cross-over connection wiring of wire, prevent contact failure and reduce the generating heat of wire.

Drawings

The present invention is further described in with reference to the following drawings:

fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the invention;

fig. 3 is a schematic structural diagram of a conductive strip according to an embodiment of the present invention;

fig. 4 is a top view of an insulating mount according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of an insulating mount according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a fixing frame according to an embodiment of the present invention;

FIG. 7 is a side view of the holder of FIG. 6;

FIG. 8 is a top view of the holder of FIG. 6;

fig. 9 is a schematic view illustrating the corresponding installation of the miniature circuit breaker and the bus bar according to the embodiment of the present invention;

fig. 10 is a schematic diagram of a structure in which there are four conductive bars according to an embodiment of the present invention;

FIG. 11 is an elevation view of a lug according to an embodiment of the present invention;

fig. 12 is a top view of a lug according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, several means are or more, several means are two or more, more than, less than, exceeding, etc. are not to be construed as including the number, and more than, less than, within, etc. are to be construed as including the number if any, the and the second are only for the purpose of distinguishing technical features, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood as meaning, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 12, the utility model discloses an kinds of busbars, including the insulating mounting 20 of a plurality of busbar 10 and fixed busbar 10, be equipped with on the insulating mounting 20 a plurality of mounting grooves 21 with each busbar 10 complex parallel arrangement, be equipped with a plurality of connecting holes 11 along length direction on the busbar 10, the centre-to-centre spacing between two adjacent connecting holes 11 equals with single-pole circuit breaker's width.

This busbar, in the block terminal, install in miniature circuit breaker's top or below, install busbar 10 through mounting groove 21 on insulating mounting 20, connect the line through connecting hole 11 on busbar 10, the centre-to-centre spacing between two adjacent connecting holes 11 is the same with the width of single-pole circuit breaker (1P), the width of multipole circuit breaker is a plurality of times of single-pole circuit breaker width, then when installing the circuit breaker of a plurality of different poles, all correspond corresponding connecting hole 11 directly over the connector lug of every circuit breaker, thereby when using wire connection circuit breaker and connecting hole 11, can guarantee the wiring end of all circuit breakers to the system of the connecting wire length of busbar, standardized wiring, reduce the bending and the cross-over connection of wire, prevent contact failure and reduce the generating heat of wire, and improve wiring efficiency.

As shown in FIG. 9, the typical external dimension of the miniature circuit breaker is that the width of 18mm is used as modules, and the part is specially that 9mm is used as modules, such as the miniature circuit breaker produced by Schneider company, the width of 18mm is used as modules, namely the width of a single-pole circuit breaker 51(1P) is 18mm, the width of a double-pole circuit breaker 52(2P) is 36mm, the width of a three-pole circuit breaker 53(3P) is 54mm, the width of a four-pole circuit breaker 54(4P) is 72mm, and the distance between two adjacent connector lugs on the miniature circuit breaker is 18 mm.

In this embodiment, the center distance between two adjacent connection holes 11 is 9mm or 18mm, so that the wiring requirement of most miniature circuit breakers can be met, and the lengths of the connection wires from the connector lug of the circuit breaker to the corresponding connection holes 11 on the bus bar are equal.

Each conductive bar 10 is connected to a live line, a zero line or a three-phase line, etc.

Preferably, the top of the insulating fixing member 20 is provided with a plurality of grooves 22 formed in an up-and-down shape, as shown in fig. 5, so as to increase a creepage distance and increase an insulating strength of the surface of the insulating fixing member 20.

Preferably, the bus bar 10 is embedded in the mounting groove 21, and two sides of the top of the mounting groove 21 are provided with protrusions 23 extending towards the middle, as shown in fig. 5, and the protrusions 23 limit the position of the bus bar 10 in the vertical direction so as to fix the bus bar in the mounting groove 21. The conductive strip 10 is inserted into the mounting groove 21 from the side of the insulating fixing member 20.

Preferably, as shown in fig. 5, the bottom of the mounting groove 21 is provided with a recess 24 recessed downward, the conductive strip 10 is in a strip shape, friction is generated between the conductive strip 10 and each wall surface of the mounting groove 21 during the process of being inserted into the mounting groove 21, and the provision of the recess 24 can reduce the friction force between the conductive strip and each wall surface and reduce the mounting resistance.

Preferably, the power distribution box further comprises a fixing frame 30, as shown in fig. 1 and 6 to 8, the fixing frame 30 comprises a middle plate 31, a plurality of protrusions 32 arranged on the side of the middle plate 31 , and a flange 33 arranged on the other side of the middle plate 31, the protrusions 32 are matched with the mounting grooves 21 on the insulating fixing member 20 and have the same shape as the mounting grooves 21, mounting holes 34 are arranged on the flange 33, the number of the protrusions 32 is the same as the number of the mounting grooves 21 and the number of the power distribution strips 10, the protrusions 32 and the flanges 33 are respectively arranged on two sides of the middle plate 31, 2 fixing frames 30 are respectively arranged on two sides of the insulating fixing member 20, the fixing frame 30 is inserted into the mounting grooves 21 from the side, the protrusions 32 are matched with the mounting grooves 21, the middle plate 31 is used for positioning the distance of the protrusions 32 inserted into the mounting grooves 21, and finally the whole power distribution box can be locked and fixed on the wall plate of the power distribution.

The insulating fixing member 20 and the fixing frame 30 are made of insulating materials. The material of the conductive strip 10 may be a metal having good conductivity such as copper or aluminum, or an alloy thereof.

Preferably, the wiring lug 40 is further included, the wiring lug 40 comprises an th head 41 and a second head 42, the th head 41 is in plug fit with the connecting hole 11 on the conductive strip 10, a plurality of elastic strips 43 are arranged on the circumferential wall surface of the th head 41, as shown in fig. 11 and 12, the wiring lug 40 is conductive, the th head 41 can be in plug fit with the connecting hole 11 so as to lead out the connecting hole 11 and then connect a lead through the second head 42, the elastic strips 43 on the th head 41 have elasticity determined by , and when the th head 41 is in plug fit with the connecting hole 11, the elastic strips 43 are in close contact with the connecting hole 11, so that the wiring lug 40 is prevented from loosening, the mounting and dismounting are convenient, and screws are not needed for.

In some embodiments, as shown in fig. 1, the number of the conductive bars 10 is 2, which is used in a single-phase circuit, the number of the corresponding mounting slots 21 on the insulating fixing member 20 and the number of the corresponding protrusions 32 on the fixing frame 30 are also 2, and 2 conductive bars 10 are respectively connected to the live wire and the neutral wire.

In another embodiment, as shown in fig. 10, the number of the conductive strips 10 may be 4, and the conductive strips are used in a three-phase circuit, the number of the corresponding mounting grooves 21 on the insulating fixing member 20 and the number of the corresponding protrusions 32 on the fixing frame 30 are also 4, and the 4 conductive strips 10 are respectively connected to the phase lines a, B, C and N.

It is understood that the number of the conductive strips 10 can be set according to actual requirements, and the installation grooves 21 on the insulating fixing member 20 and the protrusions 32 on the fixing frame 30 are correspondingly arranged, so that standardized production can be realized.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

The bus bar is characterized by comprising a plurality of bus bars and an insulating fixing piece for fixing the bus bars, wherein the insulating fixing piece is provided with a plurality of mounting grooves matched with the bus bars, a plurality of connecting holes are formed in the bus bars along the length direction, and the center distance between every two adjacent connecting holes is equal to the width of a single-pole circuit breaker.
2. The buss bar of claim 1, wherein: the center distance between two adjacent connecting holes is 9mm or 18 mm.
3. The buss bar of claim 1, wherein: the top of insulating mounting is equipped with a plurality of recesses.
4. The buss bar of claim 1, wherein: the conducting bar inlay in the mounting groove, the top both sides of mounting groove are equipped with the lug that extends to the centre, the lug restriction the conducting bar is in the ascending position of vertical direction.
5. The buss bar of claim 1, wherein: and a downward sunken notch is formed at the bottom of the mounting groove.
6. The bus bar of claim 1, further comprising a fixing frame, wherein the fixing frame comprises a middle plate, a plurality of protrusions arranged on the side of the middle plate, and a flange arranged on the other side of the middle plate, the protrusions are matched with the mounting grooves on the insulating fixing pieces, and the flange is provided with mounting holes.
7. The busbar according to any of claims 1-6, further comprising a lug, wherein the lug comprises a th head and a second head, the th head is in plug fit with the connecting hole of the busbar, and a plurality of elastic strips are arranged on the circumferential wall of the th head.
8. The buss bar of claim 1, wherein: the number of the conductive strips is 2.
9. The buss bar of claim 1, wherein: the number of the conductive strips is 4.