WO2012122880A1 - 防爆型变流器热交换散热一体化系统 - Google Patents

防爆型变流器热交换散热一体化系统 Download PDF

Info

Publication number
WO2012122880A1
WO2012122880A1 PCT/CN2012/071505 CN2012071505W WO2012122880A1 WO 2012122880 A1 WO2012122880 A1 WO 2012122880A1 CN 2012071505 W CN2012071505 W CN 2012071505W WO 2012122880 A1 WO2012122880 A1 WO 2012122880A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
explosion
proof
heat pipe
fan
Prior art date
Application number
PCT/CN2012/071505
Other languages
English (en)
French (fr)
Inventor
鲁俊
郭度厚
杨贵发
郑忠明
吴君
阎鑫昌
甄伟
Original Assignee
辽宁荣信防爆电气技术有限公司
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 辽宁荣信防爆电气技术有限公司 filed Critical 辽宁荣信防爆电气技术有限公司
Publication of WO2012122880A1 publication Critical patent/WO2012122880A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20318—Condensers

Definitions

  • the invention relates to an integrated heat dissipation system for forced air cooling and explosion proofing equipment, which is applied to a soft start, an active power filter, a frequency converter and a reactive power compensation device.
  • high-power power electronic components such as IGBTs and power devices (including reactors, transformers, power capacitors, etc.) requires a good heat dissipation system.
  • explosion-proof equipment high-power power electronic components such as IGBTs, reactors, transformers, and power capacitors are installed in a sealed chamber that is isolated from the outside.
  • the heat dissipated by high-power power electronic components such as IGBT is dissipated to the outside space of the device through the heat pipe radiator, and the heat of the reactor, transformer, and power capacitor is conducted to the free air in the closed cavity, and the heat dissipation through the closed cavity wall cannot be effective.
  • the heat is dissipated to the outside space of the device, resulting in a high temperature inside the closed chamber.
  • the object of the present invention is to provide an explosion-proof converter heat exchange and heat dissipation integrated system with small space size, high heat dissipation efficiency and effective balance of heat in a sealed chamber of an explosion-proof device.
  • Explosion-proof converter heat exchange and heat dissipation integrated system including heat pipe radiator, heat exchanger, explosion-proof fan, the heat pipe radiator, heat exchanger and explosion-proof fan are disposed on the same air duct; the heat pipe radiator and heat The exchanger is connected in series as a ventilation pipe, the heat pipe radiator is used for heat dissipation of the power device, the heat exchanger is used to guide the heat inside the explosion-proof cavity to the heat pipe, and the explosion-proof fan is forced to air-cool and simultaneously acts on the heat pipe of the heat pipe radiator and the heat exchanger.
  • the heat exchanger comprises a heat-conducting tube and an axial flow fan, and the air flow of the explosion-proof sealed cavity is forcibly driven by the axial flow fan, and flows through the heat-conducting tube to form an air circulation, and the heat in the sealed cavity is dissipated through the heat-conducting tube.
  • the heat exchanger comprises an air inlet chamber, a heat pipe partition plate, a heat pipe, a heat pipe heat dissipation cavity, a return air chamber, an axial flow fan, and the air inlet chamber communicates with the explosion proof cavity, and the heat pipe partition plate enters the air inlet chamber.
  • the return air chamber is separated from the heat pipe heat dissipation cavity; the heat pipe is located In the heat dissipation cavity of the heat pipe, the upper and lower ends of the heat pipe are open, the upper port communicates with the air inlet chamber, and the lower port communicates with the return air chamber; the axial flow fan is located in the return air chamber for guiding the hot air in the heat pipe; The fan will blow the cold air to the heat pipe and the heat pipe radiator.
  • the beneficial effects of the invention are - 1) the heat pipe radiator, the heat exchanger and the explosion-proof fan are arranged on the same air duct; the heat pipe radiator can be greatly reduced by the action volume of the explosion-proof fan; The overall size is small.
  • the invention adopts a heat exchanger with an axial flow fan, and the use of the axial flow fan promotes the flow of air in the closed cavity, equalizes the temperature inside the explosion-proof sealed cavity; the heat dissipation efficiency of the explosion-proof equipment is greatly improved, and the efficiency is improved.
  • the service life of power devices such as reactors, transformers, and power capacitors.
  • the integrated heat exchange heat dissipation system of the explosion-proof converter of the present invention is suitable for heat dissipation of a converter, a soft start, an active power filter, and a reactive power compensation device.
  • FIG. 1 is a schematic structural view of an integrated system for heat exchange and heat dissipation of an explosion-proof converter
  • FIG. 2 is a schematic structural view of a heat exchanger including an axial flow fan.
  • the explosion-proof high-power heat exchange heat dissipation system including the heat pipe radiator 3, the explosion-proof fan 1, the explosion-proof heat exchanger 9, the heat pipe radiator 3, the heat exchanger 9, and the explosion-proof fan 1 are disposed on the same air passage;
  • the heat pipe radiator 3 is connected to the power device for heat dissipation of the power device, and the heat exchanger 9 is used for heat dissipation of the power device other than the power device inside the explosion-proof cavity, and the explosion-proof fan 1 is the heat pipe radiator 3 and the heat exchange.
  • the device 9 provides forced air cooling, and the air outlet of the explosion-proof fan and the outer wall of the heat-dissipating cavity of the heat-conducting tube are fixed by screws, and the other end of the heat-dissipating heat-dissipating cavity is connected with the heat pipe radiator cover 10 to form a wind channel.
  • the explosion-proof heat exchanger forces air convection, accelerates the heat transfer in the closed cavity, transfers the heat of the explosion-proof cavity to the heat-conducting pipe, and the heat-conducting pipe and the explosion-proof fan blow in cold air for heat exchange, so that the air temperature inside the heat pipe is lowered,
  • the return air chamber 5 flows back to the explosion-proof cavity, which reduces the internal temperature of the explosion-proof cavity and improves the heat dissipation efficiency.
  • the heat exchanger includes an air inlet chamber 4, a heat pipe partition plate 8, a heat pipe 2, a heat pipe heat dissipation cavity 7, and a return air chamber 5.
  • the axial flow fan 6 is connected to the explosion-proof cavity, and the heat-transfer pipe partition 8 separates the air inlet chamber 4 and the return air chamber 5 from the heat-dissipating tube heat-dissipating chamber 7; the heat-conducting tube 2 is located in the heat-dissipating tube heat-dissipating chamber 7
  • the heat pipe 2 is open at the upper and lower ends, the upper port communicates with the air inlet chamber 4, and the lower port communicates with the return air chamber 5; the axial fan 6 is located in the return air chamber 5 for discharging the hot air in the heat pipe 2;
  • the explosion-proof fan 1 blows the cold air to the heat pipe heat dissipation chamber 7 and the heat pipe radiator 3.
  • the explosion-proof structure is suitable for heat dissipation of converters, soft starters, active power filters, and reactive power compensation devices.
  • the invention adopts a heat exchanger with an axial flow fan, and the use of the axial flow fan forces the convection of the air in the explosion-proof cavity, accelerates the heat exchange between the heat exchanger and the explosion-proof cavity, and reduces the temperature inside the explosion-proof cavity; Greatly improved, and increased the service life of power devices in the explosion-proof cavity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Description

防爆型变流器热交换散热一体化系统 技术领域
本发明涉及一种强制风冷散热防爆设备的一体化散热系统，应用于软启动、有源电力滤 波器、 变频器及无功补偿装置中。 背景技术
IGBT等大功率电力电子元件、 电力器件 （包括电抗器、 变压器、 电力电容器等） 的使 用， 要求设备具有良好的散热系统。 特别是防爆设备， IGBT等大功率电力电子元件及电抗 器、 变压器、 电力电容器均安装于与外部隔绝的密闭腔体中。 IGBT等大功率电力电子元件 耗散的热量通过热管散热器向设备外空间散热， 电抗器、 变压器、 电力电容器的热量传导到 密闭腔体内的自由空气中，通过密闭腔体壁的散热方式不能有效的将热量散发到设备外部空 间， 导致密闭腔体内温度高。
目前， 为保证变流器防爆设备的有效散热， 需要体积较大的热管散热器为 IGBT等大功 率电力电子元件散热，才能达到防爆设备的换热要求， 由于设备体积大，安装环境受到限制。
如能研制一种防爆型变流器热交换散热一体化系统，可有效减小防爆设备的体积，使防 爆设备结构紧凑， 散热效果好， 将解决安装空间受限制的问题。 发明内容
本发明的目的是提供一种空间尺寸小、散热效率高、 可有效均衡防爆设备密闭腔体内热 量的防爆型变流器热交换散热一体化系统。
为实现上述目的， 本发明通过以下技术方案实现：
防爆型变流器热交换散热一体化系统， 包括热管散热器、 热交换器、 防爆风机， 所述热 管散热器、 热交换器、 防爆风机设置于同一条风道上； 所述热管散热器与热交换器作为一个 通风管道串联， 热管散热器用于功率器件的散热， 热交换器用于将防爆腔体内部热量导到导 热管， 防爆风机强制风冷同时作用于热管散热器和热交换器的导热管。
所述热交换器包括导热管、轴流风机，通过轴流风机强制带动防爆密闭腔体的空气流动， 流经导热管形成一个空气循环， 将密闭腔体内的热量通过导热管散发出去。
所述的热交换器包括进风腔、 导热管隔板、导热管、 导热管散热腔、 回风腔、轴流风机， 进风腔与防爆腔体相通， 导热管隔板将进风腔、 回风腔与导热管散热腔分隔开； 导热管位于 导热管散热腔内， 导热管上下两端开口， 上口与进风腔相通， 下口与回风腔相通； 轴流风机 位于回风腔内， 用于将导热管中的热空气导出； 防爆风机将冷风吹向导热管散热腔及热管散 热器。
与现有技术相比， 本发明的有益效果是- 1 ) 热管散热器、 热交换器、 防爆风机设置于同一风道上； 热管散热器受防爆风机作用 体积可以大幅减小； 使得设备散热效果好、 整体体积小。
2 ) 本发明采用了含轴流风机的热交换器， 轴流风机的使用促进了密闭腔体内空气的流 动， 均衡了防爆型密闭腔体内的温度； 使得防爆设备散热效率大大提高， 并提高了电抗器、 变压器、 电力电容器等电力器件的使用寿命。
3 )本发明防爆型变流器热交换散热一体化系统适用于变流器、软启动、有源电力滤波器、 无功补偿装置的散热。 附图说明
图 1是防爆型变流器热交换散热一体化系统的结构示意图；
图 2是含轴流风机的热交换器的结构示意图。
图中 1-防爆风机 2-导热管 3-热管散热器 4-进风腔 5-回风腔 6-轴流风机 7- 导热管散热腔 8-导热管隔板 9-热交换器 10-热管散热器防护罩 具体实施方式
下面结合附图对本发明的技术内容作进一步详细说明。
见图 1， 防爆型大功率热交换散热系统， 包括热管散热器 3、 防爆风机 1、 防爆型热交换 器 9， 热管散热器 3、 热交换器 9、 防爆风机 1设置于同一风道上； 所述热管散热器 3与功率 器件相连接用于功率器件的散热，所述热交换器 9用于防爆腔体内部除功率器件以外其它电 力器件的散热， 防爆风机 1为热管散热器 3和热交换器 9提供强制风冷， 防爆风机的出风口 与导热管散热腔体的外壁通过螺丝固定在一起，导热管散热腔另一端出口与热管散热器防护 罩 10连接， 形成一个风道。 防爆热交换器强制空气对流， 加快密闭腔体内的热量传递， 将 防爆腔体的热量传递到导热管， 导热管与防爆风机吹入冷空气进行热交换， 使得导热管内部 空气温度降低后， 通过回风腔 5再流回防爆腔体， 降低了防爆腔体的内部温度， 提高了散热 效率。
见图 2， 热交换器包括进风腔 4、 导热管隔板 8、 导热管 2、 导热管散热腔 7、 回风腔 5、 轴流风机 6， 进风腔 4与防爆腔体相通， 导热管隔板 8将进风腔 4、 回风腔 5与导热管散热 腔 7分隔开； 导热管 2位于导热管散热腔 7内， 导热管 2上下两端开口， 上口与进风腔 4相 通， 下口与回风腔 5相通； 轴流风机 6位于回风腔 5内， 用于将导热管 2中的热空气导出； 防爆风机 1将冷风吹向导热管散热腔 7及热管散热器 3。
该防爆结构适用于变流器、 软启动、 有源电力滤波器、 无功补偿装置的散热。 本发明采 用了含轴流风机热交换器， 轴流风机的使用强制防爆腔体内空气的对流， 加快了热交换器与 防爆腔体内的热交换， 降低防爆腔体内的温度； 使得防爆设备散热效率大大提高， 并提高了 防爆腔体内电力器件的使用寿命。

Claims

权 利 要 求 书
1、 防爆型变流器热交换散热一体化系统， 其特征在于， 包括热管散热器、 热交换器、 防爆风机， 所述热管散热器、 热交换器、 防爆风机设置于同一条风道上； 所述热管散热器与 热交换器作为一个通风管道串联， 热管散热器用于功率器件的散热， 热交换器用于防爆腔体 内部热量导到导热管， 防爆风机强制风冷同时作用于热管散热器和热交换器的导热管。
2、 根据权利要求 1所述的防爆型变流器热交换散热一体化系统， 其特征在于， 所述热 交换器包括导热管、 轴流风机， 通过轴流风机强制带动防爆密闭腔体的空气流动， 流经导热 管形成一个空气循环， 将密闭腔体内的热量通过导热管散发出去。
3、 根据权利要求 2所述的防爆型变流器热交换散热一体化系统， 其特征在于， 所述的 热交换器包括进风腔、 导热管隔板、 导热管、 导热管散热腔、 回风腔、 轴流风机， 进风腔与 防爆腔体相通， 导热管隔板将进风腔、 回风腔与导热管散热腔分隔开； 导热管位于导热管散 热腔内， 导热管上下两端开口， 上口与进风腔相通， 下口与回风腔相通； 轴流风机位于回风 腔内， 用于将导热管中的热空气导出； 防爆风机将冷风吹向导热管散热腔及热管散热器。
PCT/CN2012/071505 2011-03-16 2012-02-23 防爆型变流器热交换散热一体化系统 WO2012122880A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201110063636 CN102186328B (zh) 2011-03-16 2011-03-16 防爆型变流器热交换散热一体化系统
CN201110063636.7 2011-03-16

Publications (1)

Publication Number Publication Date
WO2012122880A1 true WO2012122880A1 (zh) 2012-09-20

Family

ID=44572377

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/071505 WO2012122880A1 (zh) 2011-03-16 2012-02-23 防爆型变流器热交换散热一体化系统

Country Status (2)

Country Link
CN (1) CN102186328B (zh)
WO (1) WO2012122880A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106550582A (zh) * 2015-09-22 2017-03-29 天津市盈联电气设备有限公司 一种用于大功率电力控制柜的散热装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102186328B (zh) * 2011-03-16 2013-01-16 辽宁荣信防爆电气技术有限公司 防爆型变流器热交换散热一体化系统
CN109193679A (zh) * 2018-09-27 2019-01-11 贵州电网有限责任公司凯里供电局 一种智能配电网avc电压控制器
CN110460065A (zh) * 2019-08-20 2019-11-15 中煤新集能源股份有限公司 隔爆兼本安型静止无功发生器装置及无功补偿的实现方法
CN113543607B (zh) * 2021-08-17 2022-10-18 南阳市一通防爆电气有限公司 一种大功率变频器用隔爆控制柜

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1856237A (zh) * 2005-04-26 2006-11-01 乐金电子（昆山）电脑有限公司 散热装置
CN201278437Y (zh) * 2008-05-05 2009-07-22 杨树昌 防水防尘防爆集中散热密封配电柜
CN201319507Y (zh) * 2008-11-12 2009-09-30 上海追日电气有限公司 一种有源滤波补偿装置
CN102186328A (zh) * 2011-03-16 2011-09-14 辽宁荣信防爆电气技术有限公司 防爆型变流器热交换散热一体化系统
CN201985748U (zh) * 2011-03-16 2011-09-21 辽宁荣信防爆电气技术有限公司 防爆型变流器热交换散热一体化系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU450244A1 (ru) * 1972-08-11 1974-11-15 Предприятие П/Я А-7809 Шахтный взрывобезопасный трансформатор
SU1691979A1 (ru) * 1988-09-20 1991-11-15 Научно-производственное объединение по созданию и выпуску средств автоматизации горных машин "Автоматгормаш" Взрывонепроницаема оболочка дл размещени источника оптического излучени
CN100469228C (zh) * 2006-04-26 2009-03-11 沈正皓 恒温式隔爆箱
CN201290206Y (zh) * 2008-01-10 2009-08-12 李忠安 液液空气冷却系统
CN201303288Y (zh) * 2008-10-20 2009-09-02 湘潭平安电气有限公司 矿用变频器本体
CN101702570B (zh) * 2008-10-20 2011-05-11 湘潭平安电气有限公司 矿用变频器本体
CN201409082Y (zh) * 2009-05-13 2010-02-17 淮南万泰电子股份有限公司 改进的矿用隔爆兼本质安全型变频调速装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1856237A (zh) * 2005-04-26 2006-11-01 乐金电子（昆山）电脑有限公司 散热装置
CN201278437Y (zh) * 2008-05-05 2009-07-22 杨树昌 防水防尘防爆集中散热密封配电柜
CN201319507Y (zh) * 2008-11-12 2009-09-30 上海追日电气有限公司 一种有源滤波补偿装置
CN102186328A (zh) * 2011-03-16 2011-09-14 辽宁荣信防爆电气技术有限公司 防爆型变流器热交换散热一体化系统
CN201985748U (zh) * 2011-03-16 2011-09-21 辽宁荣信防爆电气技术有限公司 防爆型变流器热交换散热一体化系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106550582A (zh) * 2015-09-22 2017-03-29 天津市盈联电气设备有限公司 一种用于大功率电力控制柜的散热装置

Also Published As

Publication number Publication date
CN102186328B (zh) 2013-01-16
CN102186328A (zh) 2011-09-14

Similar Documents

Publication Publication Date Title
TWI331008B (en) Heat exchanger
WO2020155502A1 (zh) 冷却散热箱体及散热控制方法
WO2012122880A1 (zh) 防爆型变流器热交换散热一体化系统
CN112414164A (zh) 多流道式高效散热水冷排
CN111007925B (zh) 一种计算机废热高效回收装置
CN207800826U (zh) 一种分流式散热的电池包
CN208904184U (zh) 动力电池包散热结构
WO2023173940A1 (zh) 充电桩散热装置
CN111857287A (zh) 一种笔记本cpu废热回收及保温加热装置
CN214043349U (zh) 一种油浸式电力变压器的排热散热装置
CN207040129U (zh) 光伏逆变器及其散热装置
CN209857420U (zh) 半导体制冷设备
CN209001806U (zh) 一种变频器
CN201985748U (zh) 防爆型变流器热交换散热一体化系统
CN207504019U (zh) 一种电池包结构
CN205912407U (zh) 管式热交换器及机柜
CN207021554U (zh) 一种配电柜
CN216650334U (zh) 一种电力逆变器的高防护散热装置
CN218568592U (zh) 一种新型波纹式储油柜
CN108415541A (zh) 用于机箱的水冷板机构
CN214312864U (zh) 一种高效散热的变压器铁芯
CN212936539U (zh) 一种微型的电子元件散热器
CN216697166U (zh) 一种利于显卡散热的机箱
CN220606415U (zh) 一种变频器用散热机构
CN215815504U (zh) 一种低损耗干式变压器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12757802

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A SENT ON 11.03.14)

122 Ep: pct application non-entry in european phase

Ref document number: 12757802

Country of ref document: EP

Kind code of ref document: A1