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CN102945762A - Heat radiating device used on switching device of uninterruptible power supply (UPS) - Google Patents

Heat radiating device used on switching device of uninterruptible power supply (UPS) Download PDF

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Publication number
CN102945762A
CN102945762A CN2012104277777A CN201210427777A CN102945762A CN 102945762 A CN102945762 A CN 102945762A CN 2012104277777 A CN2012104277777 A CN 2012104277777A CN 201210427777 A CN201210427777 A CN 201210427777A CN 102945762 A CN102945762 A CN 102945762A
Authority
CN
China
Prior art keywords
copper bar
fin
switching device
heat abstractor
heat
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
Application number
CN2012104277777A
Other languages
Chinese (zh)
Inventor
陈雁
杨大海
郑大为
严超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eaton Corp
Original Assignee
Eaton Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Priority to CN2012104277777A priority Critical patent/CN102945762A/en
Publication of CN102945762A publication Critical patent/CN102945762A/en
Priority to PCT/CN2013/085389 priority patent/WO2014067397A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/52Cooling of switch parts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/12Ventilating; Cooling; Heating

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

The invention provides a heat radiating device used on a switching device. The heat radiating device comprises a copper bar and heat radiating fins, wherein one end of the copper bar is electrically connected to the switching device; the copper bar is used for conducting electric current flowing through the switching device; and the heat radiating fins are fixed on the copper bar and used for radiating heat of the copper bar. The heat radiating device provided by the invention can prevent the switching device from being overheated, and meanwhile, the cost and the weight of the whole uninterruptible power supply (UPS) are not increased.

Description

A kind of heat abstractor of the switching device for UPS
Technical field
The present invention relates to a kind of heat abstractor for UPS, relate in particular to a kind of heat abstractor of the switching device for UPS.
Background technology
The switching devices such as contactor (contactor), circuit breaker (breaker) are the devices of being used widely in UPS, are used for operations such as electric current switch.Usually can flow through larger electric current on the switching device, so heat abstractor is the importance that the designer will consider when design switching device structure.
Switching device mainly relies on the wire rod, base and the outer enclosure that are attached thereto to dispel the heat, but under the free convection cooling condition, switching device still can run into overheated problem.Naturally the problems of excessive heat under cooling off for switching device, settling mode commonly used is to improve heat radiation, the designing requirement of perhaps satisfying whole UPS by changing the higher wire rod of loaded current ability or switching device by the wire diameter that increases fan, increase copper bar area, increase wire rod at present.
But this processing mode can increase cost and the weight of complete machine UPS undoubtedly.Guarantee that the heat dispersion of switching device is good when how to make the cost of complete machine UPS and weight remain on lower level, become this area urgent problem.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of heat abstractor of the switching device for UPS, can guarantee that the heat dispersion of switching device is good, do not increase cost and the weight of complete machine UPS simultaneously.
The invention provides a kind of heat abstractor for switching device, comprising:
Copper bar, the one end is electrically connected to described switching device, is used for the electric current that conduction flow is crossed described switching device;
Fin is fixed on the described copper bar, is used for described copper bar is dispelled the heat.
According to heat abstractor provided by the invention, wherein said fin is fin shape.
According to heat abstractor provided by the invention, wherein said fin is L shaped.
According to heat abstractor provided by the invention, wherein said fin is the U font.
According to heat abstractor provided by the invention, has Heat Conduction Material between wherein said fin and the copper bar.
According to heat abstractor provided by the invention, wherein said fin is made of metal.
According to heat abstractor provided by the invention, wherein said fin is made of aluminum.
According to heat abstractor provided by the invention, wherein said switching device comprises contactor, circuit breaker.
According to heat abstractor provided by the invention, the method that wherein said fin is fixed on the described copper bar comprises that welding, riveted joint, bonding, screw are fixed or its combination.
According to heat abstractor provided by the invention, the other end of wherein said copper bar is connected to fuse.
Heat abstractor provided by the invention can prevent the generation of switching device superheating phenomenon, does not increase cost and the weight of complete machine UPS simultaneously.
Description of drawings
Embodiments of the present invention is further illustrated referring to accompanying drawing, wherein:
Fig. 1 is the structural representation according to the heat abstractor of embodiments of the invention 1;
Fig. 2 is the exploded perspective view according to the heat abstractor of embodiments of the invention 1;
Fig. 3 is the structural representation according to the heat abstractor of embodiments of the invention 2;
Fig. 4 is the exploded perspective view according to the heat abstractor of embodiments of the invention 2;
Fig. 5 is the structural representation according to the heat abstractor of embodiments of the invention 3;
Fig. 6 is the exploded perspective view according to the heat abstractor of embodiments of the invention 3.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
Present embodiment provides a kind of heat abstractor of the switching device for UPS, and its structure comprises as depicted in figs. 1 and 2:
Copper bar 3 is flat, and the one end is electrically connected to contactor 4, and the other end is electrically connected to fuse 1, is used for On current between contactor 4 and fuse 1, and wherein the other end of fuse 1 is electrically connected with external circuit by wire 5;
Fin 2, made of aluminum for fin shape, be screwed on the copper bar 3 of flat, be used for copper bar 3 is dispelled the heat.
When contactor 4 work, owing to flowing through the heat that produces, electric current distributed by copper bar, aluminium radiator fin successively, can prevent the generation of contactor superheating phenomenon.Owing to additionally increased aluminium radiator fin, radiating effect is strengthened, therefore can reduce the volume of copper bar.Because aluminium is a kind of cheapness and the less metal of density, can reduce the use amount of the higher and expensive copper of density by using aluminium radiator fin.
Embodiment 2
Present embodiment provides a kind of heat abstractor of the switching device for UPS, and its structure comprises as shown in Figure 3 and Figure 4:
Copper bar 3 is flat, and the one end is electrically connected to contactor 4, and the other end is electrically connected to fuse 1, is used for On current between contactor 4 and fuse 1, and wherein the other end of fuse 1 is electrically connected with external circuit by wire 5;
Fin 2, made of aluminum for fin shape, be screwed on the copper bar 3 of flat, be used for copper bar 3 is dispelled the heat, wherein also have thermal grease between fin 2 and the copper bar 3, be used for strengthening the heat conduction between fin 2 and the copper bar 3.
When contactor 4 work, owing to flowing through the heat that produces, electric current distributed by copper bar, thermal grease, aluminium radiator fin successively, can prevent the generation of contactor superheating phenomenon.Owing to additionally increased aluminium radiator fin, radiating effect is strengthened, therefore can reduce the volume of copper bar.Because aluminium is a kind of cheapness and the less metal of density, can reduce the use amount of the higher and expensive copper of density by using aluminium radiator fin.
Embodiment 3
Present embodiment provides a kind of heat abstractor of the switching device for UPS, and its structure comprises as shown in Figure 5 and Figure 6:
Two copper bars 3 that lay respectively at the two ends of contactor 4 and be electrically connected with contactor 4, be flat, be used for conduction flow and cross the electric current of contactor 4, the end that copper bar 3 does not contact with contactor 4 is connected to other devices among the UPS, is used for realizing electric connection between this device and contactor 4;
Fin 2 is L-type, and is made of aluminum, is screwed on the copper bar 3 of flat, is used for copper bar 3 is dispelled the heat.
When contactor 4 work, owing to flowing through the heat that produces, electric current distributed by copper bar, aluminium radiator fin successively, can prevent the generation of contactor superheating phenomenon.Owing to additionally increased aluminium radiator fin, radiating effect is strengthened, therefore can reduce the volume of copper bar.Because aluminium is a kind of cheapness and the less metal of density, can reduce the use amount of the higher and expensive copper of density by using aluminium radiator fin.
After adopting the solution of the present invention to install aluminium radiator fin additional, the temperature rise of contactor body, copper bar has had and has declined to a great extent, and the contactor bulk temperature rising can descend up to 20.1%, and the copper bar temperature rise can descend 22.9%, and the wire rod temperature rise descends 27.3%.
After adopting the present invention, the cost of UPS also descends to some extent, adopts cost situation of the present invention as follows:
1) with the scheme that adds fan than cost 92.5%.
2) with the scheme that increases the wire rod wire diameter than cost 97.6%.
3) with the scheme that increases the contactor specification than cost 99.5%.
According to other embodiments of the invention, wherein not only can be used for contactor according to heat abstractor of the present invention, also can be used for other switching devices such as circuit breaker.
According to other embodiments of the invention, wherein fin also can be other shapes, such as the U font etc., is preferably the larger shape of specific area, and for example fin shape more is conducive to heat radiation.
According to other embodiments of the invention, wherein the material of fin is not limited to aluminium, also can be other materials, but is preferably the metal that density is little, heat conductivity is good.
According to other embodiments of the invention, wherein has Heat Conduction Material between fin and the copper bar, to strengthen the heat conduction between fin and the copper bar.
According to other embodiments of the invention, wherein the mode that is fixed on the copper bar of fin is not limited to said method, such as can also for riveted joint, welding, bonding etc., also being the combination of various fixed forms.
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although with reference to embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (10)

1. heat abstractor that is used for switching device comprises:
Copper bar, the one end is electrically connected to described switching device, is used for the electric current that conduction flow is crossed described switching device;
Fin is fixed on the described copper bar, is used for described copper bar is dispelled the heat.
2. heat abstractor according to claim 1, wherein said fin is fin shape.
3. heat abstractor according to claim 1, wherein said fin is L shaped.
4. heat abstractor according to claim 1, wherein said fin is the U font.
5. heat abstractor according to claim 1 has Heat Conduction Material between wherein said fin and the copper bar.
6. heat abstractor according to claim 1, wherein said fin is made of metal.
7. heat abstractor according to claim 6, wherein said fin is made of aluminum.
8. heat abstractor according to claim 1, wherein said switching device comprises contactor, circuit breaker.
9. heat abstractor according to claim 1, the method that wherein said fin is fixed on the described copper bar comprises that welding, riveted joint, bonding, screw are fixed or its combination.
10. heat abstractor according to claim 1, the other end of wherein said copper bar is connected to fuse.
CN2012104277777A 2012-10-31 2012-10-31 Heat radiating device used on switching device of uninterruptible power supply (UPS) Pending CN102945762A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2012104277777A CN102945762A (en) 2012-10-31 2012-10-31 Heat radiating device used on switching device of uninterruptible power supply (UPS)
PCT/CN2013/085389 WO2014067397A1 (en) 2012-10-31 2013-10-17 Heat dissipation device for ups switch apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012104277777A CN102945762A (en) 2012-10-31 2012-10-31 Heat radiating device used on switching device of uninterruptible power supply (UPS)

Publications (1)

Publication Number Publication Date
CN102945762A true CN102945762A (en) 2013-02-27

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Country Status (2)

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CN (1) CN102945762A (en)
WO (1) WO2014067397A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014067397A1 (en) * 2012-10-31 2014-05-08 伊顿公司 Heat dissipation device for ups switch apparatus
CN104282465A (en) * 2013-07-03 2015-01-14 上海精益电器厂有限公司 Heat dissipation device for drawout breaker
CN105098531A (en) * 2015-09-23 2015-11-25 上海电科电器科技有限公司 Connector of switch
CN109841435A (en) * 2019-03-25 2019-06-04 上海电气集团股份有限公司 A kind of radiator for frame circuit breaker
CN112335346A (en) * 2018-07-04 2021-02-05 松下知识产权经营株式会社 Electronic component module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201219070Y (en) * 2008-07-02 2009-04-08 厦门华电开关有限公司 Connection device for moving and fixed contacts
CN101556877A (en) * 2008-04-10 2009-10-14 Ls产电株式会社 Main circuit terminal assembly for vacuum circuit breaker
US20100302715A1 (en) * 2009-05-28 2010-12-02 Abb S.P.A. Cooling Device For A Circuit Breaker And Circuit Breaker Comprising Such Device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201766288U (en) * 2010-07-07 2011-03-16 湖州泰仑电力设备有限公司 Static contact system of high-tension switch cabinet
CN201918306U (en) * 2011-01-28 2011-08-03 湖北网安科技有限公司 Immobilization post with radiating device
CN102945762A (en) * 2012-10-31 2013-02-27 伊顿公司 Heat radiating device used on switching device of uninterruptible power supply (UPS)

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101556877A (en) * 2008-04-10 2009-10-14 Ls产电株式会社 Main circuit terminal assembly for vacuum circuit breaker
CN201219070Y (en) * 2008-07-02 2009-04-08 厦门华电开关有限公司 Connection device for moving and fixed contacts
US20100302715A1 (en) * 2009-05-28 2010-12-02 Abb S.P.A. Cooling Device For A Circuit Breaker And Circuit Breaker Comprising Such Device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014067397A1 (en) * 2012-10-31 2014-05-08 伊顿公司 Heat dissipation device for ups switch apparatus
CN104282465A (en) * 2013-07-03 2015-01-14 上海精益电器厂有限公司 Heat dissipation device for drawout breaker
CN105098531A (en) * 2015-09-23 2015-11-25 上海电科电器科技有限公司 Connector of switch
CN112335346A (en) * 2018-07-04 2021-02-05 松下知识产权经营株式会社 Electronic component module
EP3820263A4 (en) * 2018-07-04 2021-09-15 Panasonic Intellectual Property Management Co., Ltd. Electronic component module
CN109841435A (en) * 2019-03-25 2019-06-04 上海电气集团股份有限公司 A kind of radiator for frame circuit breaker

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Publication number Publication date
WO2014067397A1 (en) 2014-05-08

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Application publication date: 20130227

RJ01 Rejection of invention patent application after publication