CN113422337A - Low-noise anti-vortex bus bridge - Google Patents
Low-noise anti-vortex bus bridge Download PDFInfo
- Publication number
- CN113422337A CN113422337A CN202110853144.1A CN202110853144A CN113422337A CN 113422337 A CN113422337 A CN 113422337A CN 202110853144 A CN202110853144 A CN 202110853144A CN 113422337 A CN113422337 A CN 113422337A
- Authority
- CN
- China
- Prior art keywords
- bus bridge
- vortex
- low noise
- ventilation
- noise anti
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 8
- 239000010935 stainless steel Substances 0.000 claims abstract description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011701 zinc Substances 0.000 claims abstract description 6
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 238000009423 ventilation Methods 0.000 claims description 31
- 239000012212 insulator Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 239000004020 conductor Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000886569 Cyprogenia stegaria Species 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/10—Cooling
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a low-noise anti-vortex bus bridge, which comprises a bus bridge body and a plurality of fixed beams arranged in the bus bridge body, wherein the bus bridge body is made of an aluminum-coated zinc plate, and the fixed beams are made of stainless steel. The invention provides a low-noise anti-vortex bus bridge frame, which adopts stainless steel of non-magnetic-conducting materials as fixing beams and can reduce the heating problem caused by vortex.
Description
Technical Field
The invention relates to the technical field of high-voltage bus bridges, in particular to a low-noise anti-vortex bus bridge.
Background
The bus bridge frame is a complete equipment for transmitting and distributing electric energy in a power supply system. With the needs of domestic power grid transformation, power industry development and power market, the requirements of equipment are also developing towards high capacity and large current. During operation of the bus equipment, a large current of more than 1000A is generally passed through the bus conductor. As the current load increases, the bridge generates strong magnetic and electric fields. The bus bridge frame is easy to generate vibration noise and noise under the action of strong alternating electromagnetic force, so that phenomena of loosening of a bus and a fixed structure thereof, insulation abrasion, bus deformation, fatigue and the like are caused sometimes, and accidents are caused.
The bridge frame is usually sprayed with common aluminum-zinc coated plates or cold plates, and when the bus current is too large, the three-phase current is usually ignored by people due to the heat generated by eddy current on the bridge frame, particularly at the position of a fixed beam of the bridge frame. When the bridge shell is at 40 ℃, the temperature near the fixed beam can reach more than 70 ℃, and the bridge shell becomes an important heating source of the bridge.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention provides a low-noise anti-vortex bus bridge frame, which adopts stainless steel of non-magnetic-conducting materials as fixing beams and can reduce the heating problem caused by vortex.
2. Technical scheme
In order to solve the problems, the technical scheme provided by the invention is as follows:
the utility model provides a low noise anti-vortex bus bridge, includes the bus bridge body to and locate this internal a plurality of fixed beams of bus bridge, the material of bus bridge body is the zinc plate of aluminizing, the material of fixed beam is the stainless steel.
Optionally, the bus bridge frame further comprises a plurality of copper buses and a plurality of support insulator groups for fixing the copper buses in an insulating mode, and a plurality of insulator mounting beams are arranged in the bus bridge frame body to fix the support insulator groups.
Optionally, the number of insulator mounting beams is no less than the number of post insulator groups.
Optionally, a plurality of first vent holes are formed in the side face of the bus bridge body.
Optionally, a fan device is arranged on the bus bridge body to discharge hot air outwards.
Optionally, the bus bridge body comprises a bus bridge pier and a bus bridge body, the fan device is arranged at the top of the bus bridge body, and a ventilation structure is arranged at the bottom of the bus bridge body.
Optionally, the ventilation structure includes a ventilation plate installed at the bottom of the bus bridge body, and a plurality of second ventilation holes are formed in the ventilation plate.
Optionally, the ventilation structure further comprises a cover plate arranged on the front face of the ventilation plate, and a third ventilation hole is formed in the side wall of the cover plate.
Optionally, the bus bridge body includes a top plate, side plates, and a bottom plate, and the top plate is provided with a plurality of grooves.
Optionally, an anti-vibration rubber strip is arranged between the top plate and the fixed beam.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the bridge frame has a complex splicing structure, and the operation process is easily influenced by an alternating magnetic field to generate an eddy current heating phenomenon; therefore, the fixed beam is made of stainless steel of non-magnetic-conductive material, so that the heating problem caused by eddy current can be reduced; other positions are less affected by eddy currents, and the aluminum-coated zinc plate is selected to meet the operation requirement and reduce the cost.
Drawings
Fig. 1 is a schematic structural diagram of a low-noise anti-eddy bus bridge according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a low-noise anti-eddy bus bridge according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a groove in a low-noise anti-vortex bus bridge according to an embodiment of the present invention;
fig. 4 is a schematic view of an internal structure of a bus bridge body in a low-noise anti-vortex bus bridge according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a ventilation structure in a low-noise anti-vortex bus bridge according to an embodiment of the present invention;
1. a bus bridge body; 2. a fixed beam; 3. a copper bus bar; 4. a post insulator set; 5. an insulator mounting beam; 6. a first vent hole; 7. a fan device; 81. a bus bridge pier; 82. a bus bridge body; 9. a ventilation board; 10. a second vent hole; 11. a cover plate; 12. a third vent hole; 13. a top plate; 14. a side plate; 15. a base plate; 16. a groove; 17. vibration-proof rubber strip.
Detailed Description
For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings 1-5 and examples.
With reference to fig. 1-5, the low-noise eddy current prevention bus bridge of the embodiment includes a bus bridge body 1, the bus bridge body 1 includes a top plate 13, a side plate 14 and a bottom plate 15, the top plate 13 is located on the outermost side of the bus bridge body 1, the bottom plate 15 is located on the innermost side of the bus bridge body 1, and a plurality of fixed beams 2 are disposed in the bus bridge body 1, the fixed beams 2 are used for connecting the top plate 13, the side plate 14 and the bottom plate 15 to form the bus bridge body 1, the bus bridge body 1 is made of an aluminum-coated zinc plate, and the fixed beams 2 are made of stainless steel.
The bridge frame has a complex splicing structure, and the operation process is easily influenced by an alternating magnetic field to generate an eddy current heating phenomenon; therefore, the fixed beam 2 is made of stainless steel of non-magnetic-conductive materials, the heating problem caused by eddy current can be reduced, and the influence of the eddy current on the splicing position of the bridge frame is weakened; other positions are less affected by eddy currents, and the aluminum-coated zinc plate is selected to meet the operation requirement and reduce the cost.
As an alternative of the invention, the bus bridge frame comprises a plurality of copper buses 3 used for carrying current and a plurality of post insulator groups 4 used for fixing the copper buses 3 in an insulating manner, wherein a plurality of insulator mounting beams 5 are arranged in the bus bridge frame body 1 to fix the post insulator groups 4, the number of the insulator mounting beams 5 is not less than that of the post insulator groups 4, the fixed distance of each section on each copper bus 3 can be conveniently adjusted, resonance in the bus operation process caused by unreasonable fixed distance of the copper buses 3 is avoided, the safety coefficient in the operation process is improved, and meanwhile, the electromagnetic vibration noise can be reduced.
As an alternative of the present invention, the lateral surface of the bus bar bridge body 1 is provided with a plurality of first ventilation holes 6, so that the hot air in the bus bar bridge body 1 can radiate heat outwards through the first ventilation holes 6 on the lateral surface of the bus bar bridge body 1, so as to suppress the temperature rise in the bus bar bridge body 1.
As an alternative of the invention, a fan device 7 is arranged on the bus bridge frame body 1 to discharge hot air outwards, the fan device 7 is used for packaging a fan shell and a plurality of fans arranged in the fan shell, the fan shell is arranged on the bus bridge frame body 1, the fan device 7 can accelerate the hot air in the bus bridge body 1 to be exhausted when in work, the bus bridge body 1 comprises bus bridge piers 81 and bus bridge bodies 82, the bus bridge piers 81 are of a vertical structure, the bus bridge body 82 is transversely erected on the bus bridge pier 81, the fan device 7 is arranged at the top of the bus bridge body 82, the bottom of the bus bridge body 82 is provided with a ventilation structure, so that cold air enters from the bottom of the bus bridge body 82 and hot air is discharged from the top of the bus bridge body 82, air circulation in the bridge is accelerated, and temperature rise in the bus bridge body 1 is better inhibited.
As an alternative of the invention, considering the arc-proof design and the protection grade requirement of the product, the heat dissipation capacity of the bridge is often neglected, the heat dissipation cannot meet the operation requirement of the product by means of the heat dissipation of the bridge and the air conduction, the ventilation structure comprises a ventilation plate 9 arranged at the bottom of a bus bridge body 82, a through groove for installing the ventilation plate 9 is arranged at the bottom of the bus bridge body 82, a plurality of second ventilation holes 10 are arranged on the ventilation plate 9, the second ventilation holes 10 form a louver structure on the ventilation plate 9, the ventilation structure further comprises a cover plate 11 covered on the front side of the ventilation plate 9, and a third ventilation hole 12 is arranged on the side wall of the cover plate 11 to prevent the fault arc inside the bus bridge from leaking out and injuring people.
As an alternative of the present invention, the top plate 13 is provided with a plurality of grooves 16, and the grooves 16 are in an inward-recessed "V" shaped structure, so as to improve the rigidity of the top plate 13 and reduce the vibration amplitude of the top plate under the action of electromagnetic force.
As an alternative of the present invention, an anti-vibration rubber strip 17 is disposed between the top plate 13 and the fixing beams 2, and two ends of the anti-vibration rubber strip 17 are respectively fixedly connected to two adjacent fixing beams 2, so as to avoid direct mechanical collision between the top plate 13 and the bridge frame body, and reduce mechanical noise.
The actual measurement shows that the temperature rise at the fixed beam can be reduced by more than 10 ℃ and the temperature rise in the bus bridge can be reduced by more than 5 ℃.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a low noise anti-vortex generating line crane span structure which characterized in that: the bus bridge comprises a bus bridge body and a plurality of fixed beams arranged in the bus bridge body, wherein the bus bridge body is made of an aluminum-coated zinc plate, and the fixed beams are made of stainless steel.
2. The low noise anti-vortex bus bridge of claim 1, wherein: the bus bridge frame is characterized by further comprising a plurality of copper buses and a plurality of support insulator groups for fixing the copper buses in an insulating mode, and a plurality of insulator mounting beams are arranged in the bus bridge frame body to fix the support insulator groups.
3. The low noise anti-vortex bus bridge of claim 2, wherein: the number of the insulator mounting beams is not less than the number of the strut insulator groups.
4. A low noise anti-vortex bus bridge as defined in any one of claims 1 to 3, wherein: the side of the bus bridge frame body is provided with a plurality of first vent holes.
5. The low noise anti-vortex bus bridge of claim 4, wherein: and the bus bridge frame body is provided with a fan device to discharge hot air outwards.
6. The low noise anti-vortex bus bridge of claim 5, wherein: the bus bridge frame body comprises a bus bridge pier and a bus bridge body, the fan device is arranged at the top of the bus bridge body, and a ventilation structure is arranged at the bottom of the bus bridge body.
7. The low noise anti-vortex bus bridge of claim 6, wherein: the ventilation structure comprises a ventilation plate arranged at the bottom of the bus bridge body, and a plurality of second ventilation holes are formed in the ventilation plate.
8. The low noise anti-vortex bus bridge of claim 7, wherein: the ventilation structure further comprises a cover plate arranged on the front face of the ventilation plate, and a third ventilation hole is formed in the side wall of the cover plate.
9. A low noise anti-vortex bus bridge as defined in any one of claims 1 to 3, wherein: the bus bridge frame body comprises a top plate, side plates and a bottom plate, and a plurality of grooves are formed in the top plate.
10. The low noise anti-vortex bus bridge of claim 9, wherein: and a vibration-proof rubber strip is arranged between the top plate and the fixed beam.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110853144.1A CN113422337A (en) | 2021-07-27 | 2021-07-27 | Low-noise anti-vortex bus bridge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110853144.1A CN113422337A (en) | 2021-07-27 | 2021-07-27 | Low-noise anti-vortex bus bridge |
Publications (1)
Publication Number | Publication Date |
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CN113422337A true CN113422337A (en) | 2021-09-21 |
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ID=77718427
Family Applications (1)
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CN202110853144.1A Pending CN113422337A (en) | 2021-07-27 | 2021-07-27 | Low-noise anti-vortex bus bridge |
Country Status (1)
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CN (1) | CN113422337A (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201917044U (en) * | 2010-12-06 | 2011-08-03 | 海信(山东)空调有限公司 | Top plate of air conditioner outdoor machine |
CN102146644A (en) * | 2011-04-22 | 2011-08-10 | 江阴海达橡塑股份有限公司 | Polyester elastic vibration damping liner plate |
CN202978001U (en) * | 2012-11-23 | 2013-06-05 | 安徽省电力公司阜阳供电公司 | Complete switch cabinet assembly type bus bridge stand |
CN203813374U (en) * | 2014-04-18 | 2014-09-03 | 江苏亿能电气有限公司 | Combined eddy current proof high voltage total box enclosure bus system device |
CN205609991U (en) * | 2016-04-29 | 2016-09-28 | 上海柘中电气有限公司 | Cabinet body structure of switch cabinet |
CN206259619U (en) * | 2016-11-02 | 2017-06-16 | 香江科技股份有限公司 | A kind of anti-vortex structure of power distribution cabinet |
CN206820421U (en) * | 2017-07-03 | 2017-12-29 | 国家电网公司 | A kind of GIS buses are vortexed cancellation element with support |
CN107729677A (en) * | 2017-11-01 | 2018-02-23 | 国网湖南省电力公司 | A kind of vibration of high current enclosed busbar bridge and noise suppressing method |
CN108183447A (en) * | 2016-12-08 | 2018-06-19 | 镇江凯勒电力科技有限公司 | A kind of wind power bus system |
CN208352923U (en) * | 2018-05-18 | 2019-01-08 | 河南森源电气股份有限公司 | A kind of common box bus bridge |
-
2021
- 2021-07-27 CN CN202110853144.1A patent/CN113422337A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201917044U (en) * | 2010-12-06 | 2011-08-03 | 海信(山东)空调有限公司 | Top plate of air conditioner outdoor machine |
CN102146644A (en) * | 2011-04-22 | 2011-08-10 | 江阴海达橡塑股份有限公司 | Polyester elastic vibration damping liner plate |
CN202978001U (en) * | 2012-11-23 | 2013-06-05 | 安徽省电力公司阜阳供电公司 | Complete switch cabinet assembly type bus bridge stand |
CN203813374U (en) * | 2014-04-18 | 2014-09-03 | 江苏亿能电气有限公司 | Combined eddy current proof high voltage total box enclosure bus system device |
CN205609991U (en) * | 2016-04-29 | 2016-09-28 | 上海柘中电气有限公司 | Cabinet body structure of switch cabinet |
CN206259619U (en) * | 2016-11-02 | 2017-06-16 | 香江科技股份有限公司 | A kind of anti-vortex structure of power distribution cabinet |
CN108183447A (en) * | 2016-12-08 | 2018-06-19 | 镇江凯勒电力科技有限公司 | A kind of wind power bus system |
CN206820421U (en) * | 2017-07-03 | 2017-12-29 | 国家电网公司 | A kind of GIS buses are vortexed cancellation element with support |
CN107729677A (en) * | 2017-11-01 | 2018-02-23 | 国网湖南省电力公司 | A kind of vibration of high current enclosed busbar bridge and noise suppressing method |
CN208352923U (en) * | 2018-05-18 | 2019-01-08 | 河南森源电气股份有限公司 | A kind of common box bus bridge |
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Legal Events
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---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210921 |
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RJ01 | Rejection of invention patent application after publication |