CN104242202B - High-voltage non-segregated phase bus and mounting method thereof - Google Patents
High-voltage non-segregated phase bus and mounting method thereof Download PDFInfo
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- CN104242202B CN104242202B CN201410525910.1A CN201410525910A CN104242202B CN 104242202 B CN104242202 B CN 104242202B CN 201410525910 A CN201410525910 A CN 201410525910A CN 104242202 B CN104242202 B CN 104242202B
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Abstract
The invention discloses a high-voltage non-segregated phase bus which comprises an upper cover plate, a pressure relief passage, a shell, a bus conducting bar, a fixing support strip, an insulator and an insulator support plate. L-shaped fixing lateral supports are respectively disposed on two sides of the bus conducting bar. The upper ends of the fixing lateral supports are connected to the bus conducting bar through fixing bolts. The lower ends of the fixing lateral supports are connected with two ends of the fixing support strip in a compression manner through bolts. Compression gaskets are disposed between the fixing lateral supports and the fixing support strip. A semi-circular rear backup plate is connected to the rear portions of the fixing lateral supports. A groove clamping and fixing the bus conducting bar is formed in the rear backup plate. A hole is formed in the insulator support plate, and the lower end of the insulator corresponds to the hole in shape and extends into the hole. An elastic gasket is disposed at the connection of the bottom end face of the insulator with the bottom of the hole. An insulating partition is vertically disposed in the shell. The invention further discloses a mounting method of the high-voltage non-segregated phase bus. The high-voltage non-segregated phase bus is simple in structure, safe and reliable, low in voltage drop, flexible in orientation, convenient to mount and good in short circuit resistance.
Description
Technical field
The invention belongs to electric power system technical field, it is related to a kind of high pressure closing common box bus and its installation method.
Background technology
With emerging in large numbers of modernization project facility and equipment, the fast increasing of power consumption of all trades and professions, especially numerous high level
Building and large-sized workshop workshop appearance, as transmission pressure traditional cable in high current induction system can not meet will
Ask, the used in parallel of multiway cable brings inconvenience to in-site installation construction connection.Plug type bus duct is as a kind of new
Type distribution wire arises at the historic moment, and compared with traditional cable, fully demonstrates its superiority when high current conveys, simultaneously by
In employing new technique, new technology, the bus duct both ends junction substantially reducing and the contact resistance of branching port splicing position and
Temperature rise, and employ high-quality insulant in bus duct, thus improve the security reliability of bus duct, make be entirely
System is more perfect.
, with extensively, bus duct since the advent of the world, by air at first for high voltage common-case closed busbar system in the market
Type, intensive, progressively develop compound insulation type till now, its insulation mode improves continuous, but by use environment system
About, there is defect in terms of fire prevention, waterproof, anti-aging all the time；Meanwhile, also there is certain safety in use hidden
Suffer from, when breaking down in high voltage common-case enclosed busbar, the high temperature and high pressure gas of generation, easily cause the accident, impact produces, should
Problem becomes increasingly conspicuous, a kind of more preferable, the more reliable high voltage common-case closed busbar system of safety of urgent need.
Content of the invention
The technical problem to be solved is, the shortcoming overcoming prior art, and case is female altogether to provide a kind of high pressure closing
Line and its installation method, the present invention has that structure is simple, safe and reliable, pressure drop is little, moves towards flexible, easy for installation, resistance to shorting
Can be good the advantages of.
In order to solve above technical problem, the present invention provides a kind of high pressure to close common box bus, leads to including upper cover plate, pressure release
Road, housing, bus bars, fixed support, insulator and insulator gripper shoe, entablature above housing, on housing
Surface is provided with pressure release passage, and bus bars are fixed on fixed support, fixed support lower end connecting insulator, insulator
It is arranged in insulator gripper shoe, bus bars both sides are respectively provided with the support of L-type fixing collateral branch, fixing collateral branch's support upper end is passed through solid
Surely tether and connect bus bars, its lower end both sides is passed through bolt and fixed support both ends compression and is connected, fixing collateral branch support and
It is provided with compress gasket, fixing collateral branch's support rear connects backup plate after semicircle, and rear backup plate is provided with groove, recessed between fixed support
Groove blocks fixing bus bars；Insulator gripper shoe is provided with pothole, and insulator lower end shape is corresponding with pothole, and stretches into
To in pothole, insulator bottom face and pothole bottom junctions are provided with elastomeric pad；Vertically it is provided with insulating barrier in housing.
The present invention is individually separated between designing three, forms three independent spaces, thus generation external magnetic field is less,
Phase fault can be avoided, common box bus body is closed for high pressure, installs damping pad in systems additional, insulator and bus are led
Electricity row realizes elasticity and supports, preferably avoids the destruction that the mechanical shock of shell generation and seismic wave bring to enclosed busbar.
The technical scheme that the present invention limits further is：
Aforementioned pressure release passage is circular, triangle or polygon；Housing cross-sectional is rectangle or ellipse, and housing and upper
Cover plate is aluminum alloy material or copper；Insulating barrier, the support of fixing collateral branch, rear backup plate, fixed support and edge gripper shoe are
PVC plastic flitch, bakelite plate, epoxy glass laminate or plastic plate one or more；Compress gasket and elastomeric pad are silica gel
Pad, nitrile rubber pad or fluorubber pad.
The present invention has excellent resistance to shorting performance, due to having the protection of aluminium alloy or copper shell, can be effectively
Weaken the structure heating that vortex or circulation cause, reduce enclosed busbar skin temperature, reduce electric energy loss, improve current-carrying capacity, subtract
Light electric power.
Further,
The present invention also provides a kind of high pressure to close the installation method of common box bus, comprises the following specific steps that：
（One）Along at wall or pillar, mounting and fixing bracket, cross and install vibration abatement additional at floor, do waterproof platform simultaneously；
（Two）Bus duct is reliably fixed on mounted fixed support, and vertical fixed range cannot be greater than 2.5m, level
Lay height off the ground and be no less than 2.2m；
（Three）In the termination of bus duct, seal bootr is installed, the connection of the shell of each section of bus duct is detachable, has between shell
Bridging ground wire, two ends reliable ground；
（Four）Bus and equipment are adopted soft strength, when enclosed bus lay length is more than 40m, should telescopic joint be set,
Cross at expansion joint or the subsiding crack of building, when bus passes through fire wall, fire-resisting floor, take fire prevention quarantine measures；
（Five）Mounted bus is arranged, whether closely to check joint connection, phase sequence is correct, and the earthing of casing,
Insulation is good, power transmission no-load running 24h phenomenon without exception.
The invention has the beneficial effects as follows：
Product of the present invention adopts telescopic joint, installs simple, achievable level, the regulation of two degree of freedom of vertical direction, no
It is only capable of meeting different temperature drops and the flexible requirement causing of expanding with heat and contract with cold, can also carry out to due to the error caused by foundation settlement
Compensate, the degree of protection solving conventional skateboard formula retractor device is poor, trouble is installed, run insecure shortcoming.
In order to solve the negative effect shaking to enclosed busbar producing when transformator, electromotor and power distribution cabinet run,
It is connected with enclosed busbar outer using being flexible coupling；In order to avoid the accidental dew condensation phenomenon that winter is outdoor, indoor temperature change produces,
Wall bushing is set at place through walls, makes outdoor and indoor enclosed busbar completely isolated；During right angle setting, including flange, level is pacified
During dress, flange is outside；Permission in order to improve enclosed busbar groove runs temperature rise, prevents serious in coastal outdoor and couple corrosion
Air butt joint electrolytic etching, reduce contact resistance, enclosed busbar electric current be more than or equal to 3000A joint all using plate
Silver is processed so as to joint allows temperature rise to bring up to 65K, is much higher than temperature rise during normal work.
The present invention has that structure is simple, safe and reliable, pressure drop is little, moves towards flexible, easy for installation, and it is excellent that resistance to shorting performance is good etc.
Point.
Brief description
Fig. 1 is the structural representation of the present invention；
Wherein, 1- upper cover plate, 2- pressure release passage, 3- housing, 4- insulating barrier, 5- bus bars, 6- gim peg, 7- is solid
Determine collateral branch to support, backup plate after 8-, 9- bolt, 10- compress gasket, 11- fixed support, 12- insulator, 13- insulator gripper shoe,
14- elastomeric pad.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of high pressure to close common box bus, structure as shown in figure 1, include upper cover plate 1, pressure release passage 2,
Housing 3, bus bars 5, fixed support 11, insulator 12 and insulator gripper shoe 13, entablature 1 above housing 3,
Housing 3 upper surface is provided with pressure release passage 2, and bus bars 5 are fixed on fixed support 11, and fixed support 11 lower end connects
Insulator 12, insulator 12 is arranged in insulator gripper shoe 13, and bus bars 5 both sides are respectively provided with the support of L-type fixing collateral branch
7, fixing collateral branch supports 7 upper ends and connects bus bars 5 by gim peg 6, and bolt 9 and fixed support 11 are passed through in its lower end both sides
Both ends compression connects, and is provided with compress gasket 10 between fixing collateral branch support 7 and fixed support 11, and fixing collateral branch support 7 rear is even
Connect backup plate 8 after semicircle, rear backup plate 8 is provided with groove, and groove blocks fixing bus bars 5；Set in insulator gripper shoe 13
There is pothole, insulator 12 lower end shape is corresponding with pothole, and extend in pothole, insulator 12 bottom face is with pothole bottom even
The place of connecing is provided with elastomeric pad 14；Vertically it is provided with insulating barrier 4 in housing 3.
Aforementioned pressure release passage 2 is circle；Housing（3）Cross section is rectangle, and housing 3 and upper cover plate 1 are aluminum alloy material；
Insulating barrier 4, fixing collateral branch support 7, rear backup plate 8, fixed support 11 and edge gripper shoe 13 are PVC plastic flitch；Clamping pad
Piece 10 and elastomeric pad 14 are silicagel pad.
The present embodiment product can be made into the splicing type enclosed busbar being provided with grafting junction box every a segment distance, may be made as
The middle feeding type enclosed bus without junction box, in the electric power system of skyscraper, power and illuminating line often divide
Open up and put, bus duct as power supply backbone in electric shaft along wall right angle setting one time or many times.
Embodiment 2
The present embodiment provides a kind of high pressure to close the installation method of common box bus, comprises the following specific steps that：
（One）Along at wall or pillar, mounting and fixing bracket, cross and install vibration abatement additional at floor, do waterproof platform simultaneously；
（Two）Bus duct is reliably fixed on mounted fixed support, and vertical fixed range cannot be greater than 2.5m, level
Lay height off the ground and be no less than 2.2m；
（Three）In the termination of bus duct, seal bootr is installed, the connection of the shell of each section of bus duct is detachable, has between shell
Bridging ground wire, two ends reliable ground；
（Four）Bus and equipment are adopted soft strength, when enclosed bus lay length is more than 40m, should telescopic joint be set,
Cross at expansion joint or the subsiding crack of building, when bus passes through fire wall, fire-resisting floor, take fire prevention quarantine measures；
（Five）Mounted bus is arranged, whether closely to check joint connection, phase sequence is correct, and the earthing of casing,
Insulation is good, power transmission no-load running 24h phenomenon without exception.
Above example technological thought only to illustrate the invention is it is impossible to limit protection scope of the present invention with this, every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, each fall within the scope of the present invention
Within.
Claims (5)
1. a kind of high pressure closes the installation method of common box bus, leads including upper cover plate (1), pressure release passage (2), housing (3), bus
Electricity row (5), fixed support (11), insulator (12) and insulator gripper shoe (13), entablature (1) is located at described housing (3)
Top, described housing (3) upper surface is provided with pressure release passage (2), and described bus bars (5) are fixed on described fixed support
(11) on, described fixed support (11) lower end connecting insulator (12), described insulator (12) is arranged on insulator gripper shoe
(13) above it is characterised in that described bus bars (5) both sides are respectively provided with fixing collateral branch's support (7) of L-type, described fixing collateral branch
Support (7) upper end connects described bus bars (5) by gim peg (6), and its lower end both sides is propped up by bolt (9) and described fixation
Stay (11) both ends compression connects, and is provided with compress gasket between described fixing collateral branch's support (7) and described fixed support (11)
(10), described fixing collateral branch's support (7) rear connects backup plate (8) after semicircle, and described rear backup plate (8) is provided with groove, described recessed
Groove blocks fixing described bus bars (5)；
Described insulator gripper shoe (13) is provided with pothole, and described insulator (12) lower end shape is corresponding with described pothole, and
It extend in pothole, described insulator (12) bottom face and pothole bottom junctions are provided with elastomeric pad (14)；Described housing (3)
In be vertically provided with insulating barrier (4)；
Installation method comprises the following specific steps that：
(1) along at wall or pillar, mounting and fixing bracket, cross and install vibration abatement additional at floor, do waterproof platform simultaneously；
(2) bus duct is reliably fixed on mounted fixed support, and the vertically-mounted spacing of bus duct cannot be greater than 2.5m, water
Flat lay height off the ground and be no less than 2.2m；
(3) in the termination of bus duct, seal bootr is installed, the connection of the shell of each section of bus duct is detachable, has bridging between shell
Ground wire, two ends reliable ground；
(4) bus and equipment are adopted soft strength, when enclosed bus lay length is more than 40m, telescopic joint should be set, cross over
At the expansion joint of building or subsiding crack, when bus passes through fire wall, fire-resisting floor, take fire prevention quarantine measures；
(5) mounted bus is arranged, whether closely to check joint connection, phase sequence is correct, and the earthing of casing, insulation
Well, power transmission no-load running 24h phenomenon without exception.
2. high pressure according to claim 1 closes the installation method of common box bus it is characterised in that described pressure release passage
(2) it is circular, triangle or polygon.
3. high pressure according to claim 1 closes the installation method of common box bus it is characterised in that described housing (3) is horizontal
Rectangular cross-section or ellipse, and described housing (3) and upper cover plate (1) they are aluminum alloy material or copper.
4. high pressure according to claim 1 closes the installation method of common box bus it is characterised in that described insulating barrier
(4), fixing collateral branch's support (7), rear backup plate (8), fixed support (11) and edge gripper shoe (13) are bakelite plate, epoxy resin
One or more of fiberglass or plastic plate.
5. high pressure according to claim 1 closes the installation method of common box bus it is characterised in that described compress gasket
And elastomeric pad (14) is silicagel pad, nitrile rubber pad or fluorubber pad (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525910.1A CN104242202B (en) | 2014-10-08 | 2014-10-08 | High-voltage non-segregated phase bus and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525910.1A CN104242202B (en) | 2014-10-08 | 2014-10-08 | High-voltage non-segregated phase bus and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104242202A CN104242202A (en) | 2014-12-24 |
| CN104242202B true CN104242202B (en) | 2017-02-15 |
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| CN201410525910.1A Active CN104242202B (en) | 2014-10-08 | 2014-10-08 | High-voltage non-segregated phase bus and mounting method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811254A (en) * | 2016-05-25 | 2016-07-27 | 正泰电气股份有限公司 | Rhombic nonsegregated-phase busbar |
| CN109217213A (en) * | 2017-06-29 | 2019-01-15 | 河南平高电气股份有限公司 | A kind of busbar supporting device and the bus transmission system using the support device |
| CN108718070A (en) * | 2018-07-27 | 2018-10-30 | 江苏银佳电气设备有限公司 | A kind of bus duct |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9200950A (en) * | 1992-05-29 | 1993-12-16 | Holec Syst & Componenten | RAIL CONDUCTOR SYSTEM FOR HIGH VOLTAGE INSTALLATIONS. |
| CN2288537Y (en) * | 1996-09-28 | 1998-08-19 | 毛汉文 | Fire-resistant concentrated bus slot |
| CN202150675U (en) * | 2011-06-28 | 2012-02-22 | 平高集团有限公司 | Bus supporting structure |
| CN202285317U (en) * | 2011-10-19 | 2012-06-27 | 湖北兴和电力新材料股份有限公司 | Three-phase nonsegregated insulation sealed pipe type bus |
| CN103515896A (en) * | 2012-06-20 | 2014-01-15 | 扬州蓝海电气有限公司 | High-voltage common-box bus |
| CN203813306U (en) * | 2014-04-15 | 2014-09-03 | 江苏亿能电气有限公司 | Pressure release device of high-pressure common box enclosed busbar system |
| CN204205494U (en) * | 2014-10-08 | 2015-03-11 | 镇江市亚东高压电器厂 | A kind of high pressure closes common box bus |
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2014
- 2014-10-08 CN CN201410525910.1A patent/CN104242202B/en active Active
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