CN1069602A - The bracing or strutting arrangement of bus-bar group - Google Patents

Abstract

A kind of bus support device that is used for supporting two groups of bus-bars (11,2), it by a supporting member (13) ground support, whereby, two groups of bus-bars can be mutually an angle configurations.This device comprises the supporting member with two rightabout in fact each other, waits face to support two groups of bus-bars.And being positioned at the bus-bar group of intersection region, supporting member is formed by insulating material, props up in the mode of parallel interval and is held on the opposing face and respectively organize the bus-bar beared part.One opening (22) is formed at the intersection pairing of respectively organizing bus-bar, and extends between two surfaces.One conductive spacer (23) is arranged in opening, meshes face-to-face with bus-bar.Simultaneously, a folder is held the crosspoint place of device (24) between bus-bar, so that bus-bar is held in together pressing from both sides with sept.

Description

The bracing or strutting arrangement of bus-bar group

The invention relates to the bracing or strutting arrangement of switchboard design and bus-bar group, this bus-bar group is used on the switchboard.

According to habitual technology, be used for distribution to generally include two groups of bus-bars to the bus-bar on the switchboard, the bus-bar of each group has different phase places.The arrangement that is perpendicular to one another of common two groups of bus-bars so that in the zone of intersection between bus-bar, the suitable bus-bar of each group between can interconnect.Usually each bus-bar all utilizes parcel to insulate, and reason is to need the surface of bus-bar to do interconnection between the bus-bar group, and plugs device on vertical rod, therefore, and bus-bar bare wire normally in the reality.

Insulation between the bus-bar is to utilize each bus-bar separated from one another one suitable air gap to finish.The size of air gap depends on that bus-bar expects the maximum voltage and the environment at bus-bar place.Moreover, distance separately also must be enough big, to avoid " tracking " (tracking) to cause short circuit between the bus-bar, " tracking " normally because have at some environment and can become the dust deposit thing of conductor or similar particle, and the surface of the insulator of interconnection bus-bar takes place and cross.

Therefore, in the system that two groups of bus-bars are arranged, each group bus-bar is connected to different phase places, therefore have at least three bus-bars must be in each group in the mode that is spaced apart from each other, and be provided with in three isolated modes of bus-bar of second group simultaneously, three bus-bars of second group also must be arranged in the mode of each interval.Two groups of bus-bars normally are perpendicular to one another and depart from, and in order to keep that suitable air-gap separation is arranged between bus-bar, and in order to meet suitable demand for security, normally utilize three dimensions.As a result, only for the suitable insulating space between the bus-bar will be provided, just cause in distribution system and will take very big space, the purpose of bus-bar provides the distribution of circuit power part in the switchboard.

Except a device must be set, be used for supporting each bus-bar betwixt outside the position, also between each bus-bar, provide suitable conduction to connect.The major part that is commonly used to support the strutting piece of at least one group of bus-bar all is to come from the connector that is supported by another group bus-bar.As mentioned above, the bus-bar group need be arranged on the three dimensions usually, so bus-bar is spaced in parallel to each other opens, and the one dimension bus-bar extends with the third dimension perpendicular to the plane of another group bus-bar.Therefore, connector must extend out from another plane of organizing bus-bar, and must have enough rigidity to support the weight of bus-bar, and can bear the stress that causes because of error condition.

When the bus-bar group is suffered high capacity, for example short circuit or fellow, the electromagnetic force that is added on the bus-bar will cause appreciable mechanical force to each bus-bar, and this strength must be born by the strutting piece of each bus-bar.Need keep the bus-bar each interval from supporting member, and must can bear viewpoints such as " trackings ", this kind supporting member is difficult to bear.

In addition, it is very complicated that the interconnection between each bus-bar can become, and therefore each connector all need, utilize the distribution system assembly of bus-bar can require great effort very much time-consuming according to the certain location installation and design.

Moreover the bus-bar group needs hard time maintenance, checks whether all interconnection between the assembly are firm.Yet this maintenance meeting is difficulty very, installs in case reason is a system, and some interconnection point almost is difficult to touch.

One object of the present invention is exactly some shortcomings that will lower above-mentioned distribution system at least.

In a form of the present invention, has the cylinder manifold device that comprises two groups of bus-bars about a kind of, utilize a supporting member to support each other together, make two groups of bus-bars toward each other with an angle setting, this bracing or strutting arrangement comprises that this supporting member is provided with two opposite surfaces, and support the bus-bar group in the zone that two groups of bus-bars intersect, this supporting member is that an insulating material forms, each group bus-bar is supported on respectively on two surfaces of supporting member with the relation of parallel interval, one opening is formed on the intersection pairing place of each group bus-bar in the supporting member, and extend between two surfaces, one conductive spacer is arranged in opening, mesh face-to-face with bus-bar, and comprise folder hold device be located at bus-bar between crosspoint place, thereby with bus-bar to being in the same place with sept folder thing.

According to a preferred feature of the present invention, supporting member is at a lateral support one shell, and this shell in the intersection region of two groups of bus-bars, encases bus-bar at least.

According to a preferred feature of the present invention, supporting member is formed with a plurality of zones that separate on this side, and each zone holds the bus-bar in this group of bus-bar, so the bus-bar in this group of bus-bar is isolated each other.

According to a preferred feature of the present invention, another group bus-bar is all put an insulating material except the intersection region.

According to a preferred feature of the present invention, a removable insulated coverings beared part supports, so that in the intersection region, is overlying on the exposed part of another group bus-bar.

According to a preferred feature of the present invention, another group bus-bar comprises that essence is smooth conducting strip.

According to a preferred feature of the present invention, this group of bus-bar is formed with the conductive channel section, the place of entering of this passage comes draw the line by the flange along at least one side in this place of entering, and the place's of entering face of passage is organized bus-bar in contrast to another, and this folder is held the flange engagement of device and this group bus-bar.

According to a preferred feature of the present invention, this bracing or strutting arrangement links a control cabinet, and this control cabinet is suitable for holding circuit controling element, so this supporting member has defined the one side of control cabinet.

According to a preferred feature of the present invention, there is a midfeather inside of control cabinet, and separates with this group bus-bar, and this midfeather has formed a plate movably, so that can touch each bus-bar of this group bus-bar.

According to a preferred feature of the present invention, each bus-bar of this group of bus-bar is formed with a plate shaped part, edge orientation midfeather.

According to a preferred feature of the present invention, supporting member connects a shell, and this shell comprises a thin plate, and support member is come a support in the mode of parallel interval relatively, and therefore each bus-bar of this group bus-bar is to be supported between supporting member and the thin plate.

According to a preferred feature of the present invention, comprise the midfeather of above-mentioned control cabinet on this thin plate that is associated with supporting member.

Preferred feature according to aforementioned feature, supporting member and thin plate utilize transverse wall to interconnect, this transverse wall is between supporting member and thin plate, extend to each side of each bus-bar, to define the zone of separation, in these zones, hold each bus-bar and keep apart in other bus-bar.

According to a preferred feature of the present invention, the supporting member surface that holds another group bus-bar is formed with the pair of parallel floor, is close to each side of each bus-bar of this group bus-bar.

The present invention will can be understood fully because of the following narration of doing at a specific embodiment, and these narrations are described with reference to appended accompanying drawing.

Fig. 1 is the isometrical drawing according to the bus support device of this embodiment.

Fig. 2 is the profile at the place, crosspoint between a pair of bus-bar of this embodiment shown in Figure 1;

Fig. 3 is the profile of cutting open along the 3-3 line of Fig. 2;

Fig. 4 is the profile at the place, a crosspoint of one group of bus-bar, and there is different shapes the position of this group bus-bar with Fig. 1,2,3 those shown;

Fig. 5 is the profile of cutting open along the 5-5 line of Fig. 4;

Fig. 6 is the front perspective view that the bracing or strutting arrangement of first embodiment connects suitable control cabinet;

Fig. 7 is the rear perspective view that the bracing or strutting arrangement of embodiment as shown in Figure 6 connects supporting housing.

Embodiment shown in the figure relates to a kind of bracing or strutting arrangement, is used in the distribution system with one group of bus-bar.Those bus-bars comprise first group of three bus-bar 11, and each bus-bar has different phase places, and comprise second group of three bus-bar 12, dispose and be connected to power supply with horizontal direction in fact.This group of bus-bar 11 is in fact with the vertical direction arrangement, and purpose be connected to will be by on power-actuated circuit element.

Support between these two groups of bus-bars is to be provided by a supporting member 13, and this supporting member 13 is to be formed by a plastic cement insulating material, has an appropriate insulation ability, and can bear the very possible high temperature that can produce under high loading condition.Suitable plastic material has Merlon.

Supporting member 13 mainly comprises a rear wall 14, and it has a pair of opposite, parallel surface, allows each group bus-bar 11 and 12 against support.Supporting member 13 more comprises one group of transverse wall 15, and is across on rear wall 14, and vertical with rear wall 14 in the mode of parallel interval.Transverse wall 14 defines the zone 16 of channel shape, so that each zone 16 can hold a bus-bar of this group of bus-bar 11.Supporting member 13 more comprises an antetheca 17, and the leading edge of extend through transverse wall 15 is to encase zone 16.Transverse wall 15 is integrally formed with rear wall 14, and antetheca 17 then is supported on the supporting member removably, and utilizes suitable fixture to keep with supporting member and mesh.

Shown in the 1st, 2 figure, be formed with one group of locating piece 40 at interval on the inner face of antetheca 17, past interior extension in each zone 16, and be spaced apart from each other, so that accept the shank of each bus-bar of this group of bus-bar 11, and bus-bar is firmly remained on the position location in this zone, and prevent that this bus-bar is crooked and move.

The outer surface of rear wall 14 is formed with one and forms right horizontal rib 18, and it just meets the bus-bar width of another group bus-bar 12 at interval, and this group bus-bar 12 all is to form the plain film shape by electric conducting material.Each interval to rib 18 just can make bus-bar closely be held and be contained in each between the rib 18.

Supporting member 13 forms one group of module, and each module A, B and C support a bus-bar of another group bus-bar 12.As mentioned above, each bus-bar of another group bus-bar 12 all is a strip plain film material, and puts appropriate insulation body 28.Organize the crosspoint of another bus-bar of associated in the bus-bar 12 at this one group of bus-bar 11 with this another and locate, two bus-bars are to be supported on the supporting member with end-to-end relation.Each bus-bar two ends of this group bus-bar 11 are sandwiched in the mode on the supporting member, will narrate what after.Before being configured to the location, insulating material must be removed in the end, location of another group bus-bar 12.

Each bus-bar of this group bus-bar 11 all is into T shape member, its cross member forms a channel section 19, this channel section 19 has an opening surface 20 that is defined by a flange 21, and this flange 21 is from the past interior extension of the dual-side of passage 19, so opening surface has narrower width.

When a pair of bus-bar that each each bus-bar of group bus-bar is made into will be by electrical interconnects, be to utilize this that bus-bar crosspoint is located, pass one of rear wall 14 opening 22 of supporting member 13, opening 22 can hold by the formed sept 23 of electric conducting material, the utilization folder is held device and is made sept 23 and this apparent surface to bus-bar 11a and 12a, keeps to be right after in aspectant mode to mesh together.

This folder is held device and is comprised pair of bolts 24, passes being right after of bus-bar 12a of another group bus-bar the space that is provided between 26 is provided.Bolt passes a hole of sept, enter provided in the passage 19 of this bus-bar 11a enter place 20.Each bolt all cooperates a pad 25, and pad 25 then touch the uncoated end portion outer surface of bus-bar 12a.Bolt more cooperates the plate 27 with a pair of screw, and this plate 27 is held to be contained in the passage 19, and will be supported on the flange 21 of passage.Shown in the 1st figure, this is to be used to provide this folder between bus-bar 11a and the 12a is held engagement to bolt 24, pad 25 more is provided with a screw thread latch 29 that stretches out and formed by the material that is electrically insulated, one insulation is topped and can cover on the uncoated end portion of this bus-bar 12a, and has a hole, a suitable nut 31 allow the screw thread latch 29 of insulation pass, so that can be locked into this screw thread latch, topped the maintaining on the location of will insulating.

In use, the module A of supporting member 13, B and C fix in the end-to-end mode that is right after, and should organize the length of bus-bar 11 supported extend through supporting members 13, and are projected on the supporting member 13.Another group bus-bar 12 outer surfaces that are installed in supporting member 13, and each bus-bar 12 all utilizes an insulating coating 28 are added on the All Ranges that does not need to do electrically contact (as mentioned above), to insulate.In order to do electrical contact, another group bus-bar has a length out of the ordinary, and the insulating material of its end is removed, and exposes out, so that hold device and other this group bus-bar work electrically contacts with each via folder.In addition, the exposed portion of bus-bar end is sealed by an insulation crust.As a result, each of another group bus-bar all is insulated cover 41 and supporting member 13 and topped 30 insulation of insulation, and this topped 30 is what to cover at the exposed end of bus-bar.

This group bus-bar 11 is in the zone of opening in a minute 16 that is accommodated in respectively in the supporting member; and opened by electrical isolation separately from each other; according to this kind arrangement; the space more shared than prior art, the shared space of bracing or strutting arrangement is little; the space that is reduced is exactly space required between the bus-bar of known power distribution equipment; that is the air gap that must have between the known bus-bar, cover it any type of protective covering is not set usually, bus-bar is isolated from each other or insulate.Moreover, with this group bus-bar 11 be contained in seal toward the zone in, and with the position regional 16 outsides another the group bus-bar 12 separate, can reduce the possibility of " tracking " short circuit that causes between the bus-bar group.

Moreover, the abundant air gap that institute must provide between the known bus-bar of a large amount of reductions of the arrangement of present embodiment, that is reduce third dimension size in a large number, thereby reduce the required volume that takies of cylinder manifold device.In addition, the support of each bus-bar of each group bus-bar, in when, excessive machinery or electrical load taking place being added on the distribution system, can both make the electromagnetic force that is added on the bus-bar cause the mechanical stress of bus-bar vibrations, be absorbed preventing that bus-bar is crooked undeservedly, and cause short circuit.

In addition, the maintenance of supporting member is oversimplified, and the folder of the usefulness that interconnects between each bus-bar is held device and can be easy to touch, and compares with known system, touching the maintenance period, can reduce the possibility that touches other bus-bars of distribution system in a large number.

Moreover this group bus-bar has utilized a channel section, so its current loading can increase, and whole volume can more reduce.Reason is that channel section provides the bigger area of section.Moreover with known person's flat sections comparison, this channel section can provide bigger mechanical strength, resists the bending that bus-bar can produce under high electromagnetic load and moves.

Shown in the 4th, 5 figure, the form of this group bus-bar can be different with the 1st, 2 and 3 figure those shown.Each of this group bus-bar shown in the 4th and the 5th figure includes pair of channels section 19 and 19a, its have each other extend in the opposite direction enter place 20 and 20a on the contrary, and other aspects, 4th, the tab sequencial of 5 figure illustrated embodiments and the 1st, 2 identical with the 3rd figure those shown, unique exception is the method that this group bus-bar 11a is connected to conducting element.

1st, the form of this group bus-bar 11 of 2 and 3 figure illustrated embodiments is to utilize a clip connector 45 to be connected to conducting element, and connector 45 can closely be undertaken on the shank of T shape bus-bar.And in the form of the 4th figure illustrated embodiment, connector 46 is to utilize a folder to hold device to be fixed to bus-bar, this folder is held the plate that the device utilization is extended a bolt 47 and the nut between the what connector 46 or had a plurality of screws 48, and this plate is resisted against the inner face of flange 21a.Conductive spacer 49 also is located between the conductor opposing face of connector 46 and bus-bar passage 19a.

Shown in the 6th, 7 figure, this embodiment will use with a control cabinet 50, and this control cabinet 50 is provided with strutting piece, is used for supporting the circuit controling element that bus-bar will connect.Control cabinet 50 is that to give first forming board formed by a plurality of, and it comprises a fine horse side plate 51 and one group of base plate 52.The edge part of each piece plank is provided with and nibbles the sealed part of deciding mutually, and the position joins between the edge at plate and plate.In addition, adjacent side plate 15 can utilize a suitable interconnecting component (not shown), and mutual engagement locks together to the mode of edge with the edge that joins, and a laminate need not be set.As a result, the control cabinet 50 shown in the 6th, 7 figure can comprise one group of three chest that separate, and each chest all has the upper and lower wall that is defined out by laminate 52, and perhaps one or more laminates can be omitted to provide bigger space.The front of each control cabinet 50 is all sealed by a header board 53, and header board 53 has a door 54, so that can pass in and out the inside of each control cabinet.

The suitable what of control cabinet is attached to the antetheca 17 of supporting member 13, so that the antetheca 17 of what supporting member provides the rear surface of control cabinet.Antetheca 17 is provided with plank 55(with reference to the 2nd and 4 figure), each bus-bar of relative this group of bus-bar of what, and can be removed so that enter in the zone 16, and touch the bus-bar that this zone holds.As a result, in control cabinet, can touch each bus-bar according to need, and if unwanted words, remaining bus-bar is then kept with the internal insulation of control cabinet and is opened.

People should be appreciated that scope of the present invention does not need to be limited in the particular range of the foregoing description.

Claims (17)

1, a kind of bus support device comprises two groups of bus-bars, utilize a supporting member to support each other together, make two groups of bus-bars toward each other with an angle setting, this bracing or strutting arrangement comprises that this supporting member is provided with two opposite surfaces, and support the bus-bar group in the zone that two groups of bus-bars intersect, this supporting member is formed by an insulating material, each group bus-bar is supported on respectively on the two opposite surfaces of supporting member with the relation of parallel interval, one opening is formed on the intersection pairing place of each group bus-bar in the supporting member, and extend between two surfaces, one conductive spacer position is in this opening, mesh face-to-face with bus-bar, and comprise folder hold device be located at bus-bar between crosspoint place, with bus-bar to being held in together with the sept folder.

2, bus support device as claimed in claim 1, wherein supporting member is more at a lateral support one shell, and this shell in the intersection region of two groups of bus-bars, is sealed one group of bus-bar at least.

3, bus support device as claimed in claim 2, wherein supporting member is formed with a plurality of zones that separate on this side, and each zone holds a bus-bar in this group bus-bar, and therefore the bus-bar that should organize in the bus-bar is isolated each other.

4, as claim 1,2 or 3 described bus support devices, wherein another group bus-bar is all put an insulating material except the intersection region.

5, bus support device as claimed in claim 4, wherein a removable insulation covers the beared part support, so that in the intersection region, is overlying on the exposed part of another group bus-bar.

6, bus support device as claimed in claim 1, wherein another group bus-bar comprises that essence is smooth conducting strip.

7, as each described bus support device in the claim of front, wherein this group bus-bar is formed with the conductive channel section, the opening surface of these passages is to be defined by the flange along at least one side of this opening surface, the opening surface of passage is organized bus-bar in contrast to another, and this folder is held the flange engagement of device and this group bus-bar.

8, each described bus support device in the claim as described above, wherein this bracing or strutting arrangement connects a control cabinet, and this control cabinet is suitable for holding circuit controling element, so this supporting member has defined the one side of control cabinet.

9, bus support device as claimed in claim 8 inner utilization one midfeather of this control cabinet wherein, and separate with this group bus-bar, this midfeather is formed with removable plate, so that can meet each bus-bar of this group bus-bar.

10, bus support device as claimed in claim 8 or 9, wherein each bus-bar of this group bus-bar is formed with a flat, this midfeather of edge orientation.

11, bus support device as claimed in claim 8 or 9, wherein each bus-bar of this group bus-bar all is formed with a second channel, and second channel has one second opening surface that points to this midfeather.

12, the described bus support device of each claim as described above, wherein supporting member links a shell, this shell comprises a thin plate, supporting member is supported in the mode of parallel interval relatively, so each bus-bar of this group of bus-bar all is to be supported between supporting member and the thin plate.

13, as the described bus support device of the claim 11 that is subordinated to claim 9, wherein the thin plate that is associated with supporting member comprises the midfeather of above-mentioned control cabinet.

14, as claim 11 or 12 described bus support devices, wherein supporting member and thin plate utilize transverse wall to interconnect, these transverse walls are between supporting member and thin plate, extend to each side of each bus-bar, to define the zone of separation, in these zones, each bus-bar is received, and keeps apart with other bus-bar.

15, each described bus support device in the claim as described above, the supporting member surface that wherein holds another group bus-bar is formed with the pair of parallel floor, is close to each side of each bus-bar of another group bus-bar.

16, each described bus support device in the claim as described above, wherein these bus-bars setting that is perpendicular to one another in fact.

17, a kind of bus support device in fact as described here.

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