WO2012126821A1 - Dispositif d'aération active d'éléments installés d'un tiroir insérable d'une armoire électrique - Google Patents

Dispositif d'aération active d'éléments installés d'un tiroir insérable d'une armoire électrique Download PDF

Info

Publication number
WO2012126821A1
WO2012126821A1 PCT/EP2012/054642 EP2012054642W WO2012126821A1 WO 2012126821 A1 WO2012126821 A1 WO 2012126821A1 EP 2012054642 W EP2012054642 W EP 2012054642W WO 2012126821 A1 WO2012126821 A1 WO 2012126821A1
Authority
WO
WIPO (PCT)
Prior art keywords
insert
fan
compartment
flow
opening
Prior art date
Application number
PCT/EP2012/054642
Other languages
German (de)
English (en)
Inventor
Stefan Hirschfeld
Mario Schmidt
Jörg WOHLFARTH
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP12715609.9A priority Critical patent/EP2664227A1/fr
Priority to CN 201280014038 priority patent/CN103430646A/zh
Publication of WO2012126821A1 publication Critical patent/WO2012126821A1/fr

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
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • 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
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • H05K7/14325—Housings specially adapted for power drive units or power converters for cabinets or racks

Definitions

  • frequency converters for the control of motors is becoming increasingly important. These frequency converters are used, for example, in so-called motor control centers. Typically, individual modules are designed for the control of motors in slide-in technology for a control cabinet and are thus interchangeable under voltage ⁇ .
  • the frequency converters generate extremely high power losses during operation, e.g. in the range of 1.5 kW.
  • the maximum allowable ambient temperatures for the frequency converters are not very high. Due to the separations required by the market between the individual modules, the removal of heat loss is severely hampered. In order to avoid too high temperatures for the frequency converters and other cabinets of a control cabinet, the number of frequency converters must be
  • the device according to the invention enables the integration of several frequency converters in a control cabinet.
  • the device for actively ventilating internals of a drawer of a cabinet comprises a drawer and a cabinet with compartment partitions forming at least one compartment for receiving the drawer, the drawer comprising a fan housing with at least one fan, wherein one of the compartment partitions a fan shaft with an opening um ⁇ summarizes.
  • the fan housing and the fan shaft a strömungsschlüs ⁇ sige connection, and the fan shaft additionally includes ei ⁇ nen hinged lid ver ⁇ close the opening of the fan shaft or at least partially release, and which is designed as a check valve, which only a Strö ⁇ tion in the direction out of the compartment of the insert.
  • the device can discharge high cakes linens ⁇ tions from the drawer.
  • Several trays with internally ventilated internals can be installed in a control cabinet and operated in it.
  • the check valve consisting of the opening of the fan duct and the hinged lid, prevents the ingress of hot air from other bays or compartments into a compartment with a non-operational drawer or in a compartment in which no drawer is installed.
  • the slot in addition, a partition plate on which is horizontal in the installed position of the drawer in the cabinet substantially, and which blocks a flow in Vertika ⁇ ler direction in parts of the insert.
  • the bulkhead plate ensures that there is no internal circulation of the air flow in the insert, and that the flow is guided through the insert's internally ventilated internals.
  • a frequency converter is actively cooled in the slot.
  • the hinged lid closes the opening of the fan housing due to gravity, when no Strö ⁇ tion is directed to the hinged lid.
  • the hinged lid closes the opening of the fan housing due to the residual stress when no flow is directed to the hinged lid.
  • the edge of the opening of the fan shaft can lie in one plane.
  • the opening of the fan shaft in the switching cabinet ⁇ be oriented upwards.
  • the at least one fan generates a flow in the direction out of the compartment of the drawer.
  • the insert comprises a device support plate, which has at least one row of slots in the installation position of the insert in the control cabinet in a lower part of the insert. Also advantageously, the at least one row of slots of the device support plate opposite compartment partition on at least one corresponding row of slots.
  • the insert can be supplied by the at least one row of slots of the insert and by the at least one row of slots of the compartment partition wall of a cable room with cool air.
  • the fan housing of the insert is arranged in the installed position of the insert in the control cabinet in an upper part of the drawer.
  • the tray is to sumption of the insert with an exhaust air duct of the cabinet flow positively through the opening in the fan shaft verbun ⁇ .
  • Fig. 1 control cabinet with slots
  • FIG. 2 shows a detail view of the control cabinet with inserts without covers and doors in a first perspective
  • FIG. 4 Detail view of a drawer and partitions
  • FIG. 5 frontal view of a drawer in installation position of the
  • a cabinet 200 is shown, the left has an exhaust duct 210, right a cable connection space 220 and in between a function space 240 for slots 241, 242.
  • the position of cable compartment 220 and exhaust duct 210 may also be arranged reversed, so that the cable connection space 220 is located to the left of the functional space 240 for slots 241, 242 and the exhaust duct 210 to the right.
  • the cover or door of the cable connection space 220 contains ventilation openings 221, 222, 223, 224. Air can flow into the cable connection space 220 through these ventilation openings. The incoming air has the temperature of the environment of the cabinet 200. Typically, this ambient air is cooled. The cable compartment 220 can also be directly supplied with actively cooled air.
  • the exhaust duct 210 is connected to an air outlet 211, from which the exhaust air can leave the cabinet 200.
  • Fig. 2 shows a detailed view of the cabinet 200 and the bays 241, 242 with removed covers or doors in a first perspective view.
  • the A- Throttles 241, 242 contain internals that are to be actively ventilated, and are in installation position in the cabinet Darge ⁇ presents. These installations are, for example, frequency converter 100, 100 '.
  • the compartments for receiving the inserts 241, 242 are formed by compartment partitions, in Fig. 2, only the lateral compartment partitions 10, 10 'are shown, which separate the compartments from the exhaust duct 210.
  • the compartment partitions 10, 10 ' include fan shafts 90, 90'. Opposite the fan shafts 90, 90 'are fan housing 50, 50' of the single thrusts 241, 242 arranged.
  • the cabinet 200 with the slots 241, 242 is shown without covers in a second perspective.
  • the inserts 241, 242 are limited by device support plates 70, 70 'and are shown in the installation position in the control cabinet.
  • the inserts 241, 242 are horizontally separated from each other.
  • Opposite to the side walls, which are formed by the device support plates 70, 70 'and are provided with the fan housings 50, 50', the compartment partitions 10, 10 'are arranged, so that the side walls and partitions directly adjoin one another.
  • the fan housing 50, 50 ' are arranged in the device support plates 70, 70', in the parts of the device support plates 70, 70 ', which form the side walls of the inserts 241, 242 and are oriented to the exhaust duct 210.
  • the fan housing 50, 50 ' are arranged in the device support plates 70, 70', in the parts of the device support plates 70, 70 ', which form the side walls of the inserts 241, 242 and are oriented to the exhaust duct 210.
  • the insert 241 comprises a device support plate 70, which is bent in a U-shape.
  • the device support plate 70 thus forms two side walls and a rear wall.
  • baffles for example, a Fre ⁇ quency inverter 100.
  • the side wall of the insert 241, which is directed to the cable compartment 220 in a lower region comprises at least one series of slots 71, can flow through the air into the slot 241st
  • the side wall of the one ⁇ push 241, which is oriented to the exhaust duct 210 includes the fan housing 50 with at least one fan.
  • the compartment for receiving the insert 241 is bounded laterally by fratrenn ⁇ walls 10, 30, 40.
  • the compartment partition wall 10, which delimits the compartment towards the exhaust duct 210, comprises a fan duct 90.
  • the compartment partition wall 30, which delimits the compartment towards the cable connection compartment 220, comprises at least one
  • the Schlitzrei ⁇ he 31 corresponds to the series of slots 71, in the installation position of the insert 241, 242 in the cabinet 200, the Schlitzrei ⁇ hen 31 and 71 are arranged opposite each other.
  • the row of slots 31 of the compartment partition 30 and the row of slots 71 of the device support plate 70 form a flow-connec ⁇ tion, so that air from the cable connection space 220 can get into the slot 241.
  • the fan housing 50 in the device support plate 70 of the insert 241 and the fan shaft 90 in the austrenn ⁇ wall 10 form a flow-locked connection, so that air from the insert 241 can enter the exhaust duct 210.
  • 3 and 4 are bulkheads 60, 60 'Darge ⁇ represents, which are installed in the slots 241, 242.
  • the function of a bulkhead plate 60 will be explained in more detail with reference to FIG. 4.
  • the partition plate 60 in the insertion 241 serves to ensure that, in the installed position of the insert 241 in FIG.
  • FIG. 5 shows the drawer 241 without covers in a frontal view.
  • the partition plate 60 extends within the insert 241 from a right side surface of the active frequency converter 100 to be cooled to the side wall of the device ⁇ support plate 70 with the slot rows 71. While in the Dar- position of FIG. 5, ie in the installed position of the insert 241 in the cabinet 200th , The inlet for the cool air is located in a lower part of the insert, the air is sucked in egg ⁇ nem upper part of the insert 241.
  • a fan housing 50 with at least one fan 51 is arranged in the slot 241.
  • the at least one fan 51 is orien ⁇ advantage that it produces a flow in the direction from the compartment of the drawer 241 out.
  • the fan 51 sucks the air from the insert 241.
  • the compartment partition 10 includes a Lüf ⁇ terschacht 90 with an opening, wherein in the installed position of the insert 241 in the cabinet 200, the fan housing 50 and the fan shaft 90 form a flow-locked connection.
  • the air, which is sucked by the fan 51 from the insert 241 is transported through the fan housing 50 and the fan shaft 90 in the exhaust duct 210.
  • the fan housing 50 may also have two fans 51, 52; 51 ', 52', as shown in Fig. 3.
  • the fan shaft 90 additionally includes a hinged lid 20, which can close or at least partially release the opening of the fan shaft 90, and which is designed as a check valve, which allows only a flow in the direction of the compartment of the insert 241 out.
  • This folding ⁇ cover 20 is also shown in Fig. 2, there being the drawer 241 with an open hinged cover 20, and the insert 242 is illustrated with a closed flip cover 20 '. If no flow is directed to the hinged lid 20, as in the slot 242 of FIG. 2 with eg frequency inverter 100 'and ventilators 51', 52 'turned off, the hinged lid 20 closes the opening of the fan housing 50 either by gravity and / or due to gravity The egg ⁇ voltage of the hinged lid 20. Only at a flow in the direction out of the compartment of the insert 241 out of the ⁇ water flow of the hinged lid 20 is opened.
  • the opening of the fan shaft 90 in the cabinet 200 may be slightly oriented upwards, so that when attaching the hinged lid 20 at a lower part of the opening of the
  • Fan shaft 90 of the hinged lid 20 at the lower part is on ⁇ .
  • the edge of the opening of the fan shaft 90 may lie in egg ⁇ ner plane, whereby the hinged lid 20 may be formed as a plane Ele ⁇ ment.
  • the hinged lid 20 may be made of thin, flexible material, for example of a plastic or a plastic film. The fact that the hinged lid 20 forms a check valve together with the opening of the fan duct 90 ensures that the warm air of the exhaust air duct 210 can not enter a compartment for receiving the inserts 241, 242 when the drawer is not being operated. or if the tray is not occupied by a drawer.
  • Fig. 6 shows a schematic representation of the flow conditions of the exhaust air duct 210, slide 241 and Ka ⁇ loaded connection compartment 220. From the cable compartment 220 passes cool air through at least one row of slots 31 of a specialist Bulkhead 60 prevents the flow of air passing by the frequency converter 100 to be cooled, but directs the air flow so that it is passed through the frequency converter 100 and this cools. In the area of the frequency converter 100, the flow is guided in the vertical direction. This flow guidance through the frequency converter 100 can be assisted by fans in the housing of the frequency converter 100. In the upper part of the frequency converter 100 leaves the heated
  • the inventions dung device according to the active venting of internals of a drawer of a cabinet is also to design so that the inlet and outlet of the on the same side A ⁇ schubs 241st According to FIG. 6, this would mean, for example, that the fan housing 50 in the upper region of the insertion compartment 241 is likewise arranged on the right-hand side. It would have to be ensured with appropriate installations that the inlet of the cool air and the outlet of the warm air are not in the same channel and thus the air streams do not mix.
  • the fan housing 50 must be connected to an exhaust air duct 210 in the cable connection space 220.
  • the inlet and outlet are located on opposite side walls of the insert. It is also possible that the inlet and / or outlet is located in the rear wall of the insert and is arranged according to the exhaust duct 210 and / or the cable connection space 220 behind the insert.
  • the device ensures that ho ⁇ he lost power ranging from 1.5 kW out of the cabinet can be removed and the cabinet not too heated. It is ensured that eg frequency converters are cooled to maintain their functionality.
  • the device according to the invention can be operated with cool air from the environment of the control cabinet 200. It is also conceivable to supply the device according to the invention with actively cooled air.

Landscapes

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

Abstract

L'invention concerne un dispositif d'aération active d'éléments installés d'un tiroir insérable d'une armoire électrique, le dispositif comportant un tiroir insérable, et une armoire électrique avec des parois de séparation de compartiment qui forment au moins un compartiment pour recevoir le tiroir insérable, ce dernier comportant un boîtier de ventilateur pourvu d'au moins un ventilateur, une des parois de séparation de compartiment comportant un tuyau d'extraction pourvu d'une ouverture. En position insérée du tiroir insérable dans l'armoire électrique, le boîtier de ventilateur et le tuyau d'extraction forme une liaison fluidique et le tuyau d'extraction comporte en outre un couvercle basculant qui peut fermer l'ouverture du tuyau d'extraction ou le libérer au moins en partie et qui est conçu comme un clapet antiretour qui ne permet un écoulement qu'en direction de la sortie du compartiment du tiroir insérable.
PCT/EP2012/054642 2011-03-21 2012-03-16 Dispositif d'aération active d'éléments installés d'un tiroir insérable d'une armoire électrique WO2012126821A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12715609.9A EP2664227A1 (fr) 2011-03-21 2012-03-16 Dispositif d'aération active d'éléments installés d'un tiroir insérable d'une armoire électrique
CN 201280014038 CN103430646A (zh) 2011-03-21 2012-03-16 主动地给开关柜的插入式单元的安装组件进行通风的装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011005838.9 2011-03-21
DE102011005838A DE102011005838A1 (de) 2011-03-21 2011-03-21 Vorrichtung zum aktiven Belüften von Einbauten eines Einschubs eines Schaltschranks

Publications (1)

Publication Number Publication Date
WO2012126821A1 true WO2012126821A1 (fr) 2012-09-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/054642 WO2012126821A1 (fr) 2011-03-21 2012-03-16 Dispositif d'aération active d'éléments installés d'un tiroir insérable d'une armoire électrique

Country Status (4)

Country Link
EP (1) EP2664227A1 (fr)
CN (1) CN103430646A (fr)
DE (1) DE102011005838A1 (fr)
WO (1) WO2012126821A1 (fr)

Cited By (5)

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US20190031432A1 (en) * 2016-01-15 2019-01-31 Avl Emission Test Systems Gmbh Switchgear cabinet for exhaust gas measuring facilities
CN109515233A (zh) * 2018-09-26 2019-03-26 天长市天毅电子科技有限公司 一种防尘型电动车充电器
CN112515364A (zh) * 2020-11-30 2021-03-19 义乌严冬电子商务有限公司 一种利用行人移动自动除尘的节能环保型鞋柜
CN112566474A (zh) * 2020-12-22 2021-03-26 黑河学院 一种便于散热的无线电综合测试仪
CN112930063A (zh) * 2021-03-09 2021-06-08 合肥学院 自组网节点设备快速组装辅助结构

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CN103763887B (zh) * 2013-12-25 2018-09-07 宁波天翔通讯设备有限公司 通信网络柜
DE202019103733U1 (de) * 2019-07-08 2020-10-09 Kuka Deutschland Gmbh Steuerschrank und zugehöriges Einschub-Steuergerät
US11792954B2 (en) 2022-02-22 2023-10-17 International Business Machines Corporation Dedicated airflow channels for cooling server drawers

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DE102008019981A1 (de) * 2008-04-21 2009-10-22 Futuree Fuel Cell Solutions Gmbh Modulares Brennstoffzellensystem integriert in einen Schrank wie einen Schaltschrank

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190031432A1 (en) * 2016-01-15 2019-01-31 Avl Emission Test Systems Gmbh Switchgear cabinet for exhaust gas measuring facilities
US10800603B2 (en) * 2016-01-15 2020-10-13 Avl Emission Test Systems Gmbh Switchgear cabinet for exhaust gas measuring facilities
CN109515233A (zh) * 2018-09-26 2019-03-26 天长市天毅电子科技有限公司 一种防尘型电动车充电器
CN112515364A (zh) * 2020-11-30 2021-03-19 义乌严冬电子商务有限公司 一种利用行人移动自动除尘的节能环保型鞋柜
CN112566474A (zh) * 2020-12-22 2021-03-26 黑河学院 一种便于散热的无线电综合测试仪
CN112930063A (zh) * 2021-03-09 2021-06-08 合肥学院 自组网节点设备快速组装辅助结构

Also Published As

Publication number Publication date
DE102011005838A1 (de) 2012-09-27
EP2664227A1 (fr) 2013-11-20
CN103430646A (zh) 2013-12-04

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