EP2413338B1 - Commutateur doté d'un dispositif de dissipation de la chaleur - Google Patents
Commutateur doté d'un dispositif de dissipation de la chaleur Download PDFInfo
- Publication number
- EP2413338B1 EP2413338B1 EP10008006.8A EP10008006A EP2413338B1 EP 2413338 B1 EP2413338 B1 EP 2413338B1 EP 10008006 A EP10008006 A EP 10008006A EP 2413338 B1 EP2413338 B1 EP 2413338B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- heat
- circuit breaker
- extraction apparatus
- thermal release
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims description 50
- 239000000463 material Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims 4
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/62—Heating or cooling of contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
- H01H2009/526—Cooling of switch parts of the high voltage switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
Definitions
- the invention relates to a circuit breaker with a thermal release to which a movable contact piece is arranged via a contact bridge carrier, which is mounted on a spring body and is arranged opposite of fixed contact pieces.
- Circuit-breakers are developed in various sizes.
- One size is composed of device variants with a meaningful series of rated current. As the rated current of a device increases, its power dissipation increases disproportionately.
- the device variant with the highest rated current for a given size is determined by the fact that just for this stream of power loss remains at a given housing volume without adverse consequences for the requirement of the switching device over its lifetime. If you want to get even higher rated currents, you develop a larger design. From the customer's point of view, however, it is desirable to increase the maximum rated current within one size even further. To achieve this, measures must be taken to make the heat transport from the housing volume technically more efficient.
- a switching cartridge with at least one magnetically influenced switching element, the magnetic opposite poles, the fixed contacts and the Anorndung of the switching element are designed in such a way that the heat dissipation from the switching element substantially by heat conduction in the longitudinal direction of the switching element to the fixed contacts.
- the DE 876 563 C describes a circuit breaker with a thermal release on which a contact bridge carrier a movable contact piece is arranged, which is mounted on a spring body and is arranged opposite of fixed contact pieces.
- the object of the present invention is therefore to provide a circuit breaker, which allows a space-optimized Entskyrmungslui.
- a circuit breaker with a thermal release on which a contact bridge carrier a movable contact piece is arranged, which is mounted on a spring body and is arranged opposite of fixed contact pieces.
- the invention is characterized in that a cooling device made of a heat dissipating material is arranged laterally on the fixed contact pieces.
- these outlying ribs primarily serve to increase the insulation distance, ie the clearance and creepage distance between the individual poles of devices. If the thermal blanket of the thermally poorly conducting ribbed plastic remains small enough heat can be dissipated to the environment. If the ribs additionally extend over the entire height of the device, the surface dissipating to the surrounding air heat is relatively large. Incidentally, these ribs remain in the arrangement of the devices close to tight in contrast to the device side surfaces uncovered and thus extremely effective. An electrical operator contact protection of the metallic cooling vanes is given by the plastic sheath.
- An advantage of the cooling device according to the invention is that a second effective current path Entracermungsweg was found so that larger power losses are dissipated, so that higher rated current densities of the devices are made possible with a constant volume.
- a constructive advantage is that the heat-emitting surfaces are not buildable or not covered. This can be done an efficient heat dissipation.
- On the basis of the second Enteriermungsweges considered by the contact point in the cooling surface there is a favorable decoupling of the thermal release, for example a bimetal of thermal fluctuations in the contact transition point. As a result, the triggering behavior of the device is favorably influenced.
- the cooling device according to the invention thus achieves both a reduction in the temperature level and an improvement in the limiting current tripping behavior.
- the cooling device is formed of a heat-conducting material, in particular a cooling plate.
- These large cooling plates make it possible that the amount of heat previously present within the circuit breaker more or less selectively in the current path are better dissipated by relatively large cooling or heat distribution surfaces.
- These cooling plates are advantageously designed as cooling fins, which also allow efficient heat transfer.
- the Entracermungsvortechnische is arranged on the fixed contact pieces and on a connecting tongue of the thermal release.
- This lateral placement of the cooling device according to the invention on the fixed contact pieces allows a space-optimized arrangement, which allows the effective heat transfer.
- the Entracermungsvortechnische is arranged in the chamber partitions of the switching device.
- the cooling surfaces according to the invention are isolated in this way and positioned optimally positioned between the phase barriers of the circuit breaker.
- the cooling surfaces if they are arranged between the phases beyond the basic body of the device, can be extended on one or both sides into external, possibly insulated, ribs. The advantage is that the heat dissipation through these external large-area fins is extremely efficient because of the direct contact with the surrounding air.
- the inventive cooling device of the circuit breaker presented here makes possible a second effective current path cooling path, so that greater power losses can be dissipated, so that higher rated current densities of the devices are possible with the same construction volume.
- the heat dissipation surfaces in the form of cooling plates are space-optimally integrated into the circuit breaker so that the surfaces are neither installed nor covered. Due to the consideration of the contact point from the second Entracermungsweges in the cooling plates is advantageously a favorable decoupling of the thermal release of heat technical fluctuations of the contact transition point, whereby the tripping behavior of the circuit breaker is favorably influenced.
- the space-optimized cooling device described here thus makes it possible to lower the overall temperature level as well as to improve the limiting current tripping behavior.
- Fig. 1 shows a circuit breaker 1 with a thermal release 2, to which a movable contact piece 4 is arranged via a contact bridge carrier 3.
- the movable contact piece 4 is designed as a movable contact bridge with two contact points 5, 6.
- the movable contact piece 4 is mounted on a spring element 7 in the contact bridge carrier 3 and opposite to the fixed contact pieces 8, 9, respectively.
- the fixed contact pieces 8, 9 are arranged on the right or left of the contact bridge carrier 3 and each have a contact point 10, 11, which meet in a switching operation on the contact points 5, 6 of the movable contact piece 4.
- the fixed contact 8 is preferably U-shaped and has an extension 12 which is connected to a terminal 13 leads.
- the fixed contact 9 is also U-shaped with a long and a short leg, the shorter leg leads via an extension 14 to the thermal release 2. From the thermal release 2, a connecting tongue 15 leads to a further connection terminal 16.
- Fig. 1 the heat dissipation behavior 17, 18 is shown after a switching operation.
- first large heat fields 19, 20 form on the free legs 21, 22 of the fixed contact piece 8, 9, which do not lead to the terminal 13 and the thermal release 2.
- Further heat fields 23, 24, which are slightly less pronounced than the heat fields 19, 20, are located on the other two legs 25, 26 of the fixed contact pieces 8, 9. After these slightly less pronounced heat fields 23, 24, the heat in the direction of Terminals 13 and further removed via the thermal release 2 to the terminal 16.
- Fig. 2 shows the representation Fig. 1 , 9 on the free legs 21, 22 of the fixed contact pieces 8, 9 Entracermungsvortechniken 27, 28 are arranged. These Entracermungsvortechniken 27, 28 may be formed for example as cooling plates or cooling fins. Out Fig. 2 goes on show that the heat fields 19, 20 are significantly reduced by the Entracermungsvortechnik 27, 28 according to the invention.
- Fig. 3 a particularly advantageous embodiment of the invention Entracermungsvorraum 27, 28 is shown.
- the cooling device 27, 28 is shown as a cooling plate 29.
- the cooling plates 29 are preferably aligned parallel to one another and arranged on the fixed contact pieces 8, 9 and on the connecting tongue 15.
- Fig. 4 is the presentation off Fig. 3 shown, wherein the cooling plates 29 extends beyond the switch base contour in Extend the shape of insulated, optionally housing-integrated ribs 30.
- Fig. 5 shows a further, space-optimized housing arrangement of the cooling plates 29 according to the invention.
- the cooling surfaces are preferably arranged in phase-separating housing intermediate walls 31.
- the cooling device for circuit breakers according to the invention presented here enables a second effective current path cooling path, so that greater power losses can be dissipated, so that higher rated current densities of the devices are possible with the same construction volume.
- the heat dissipation surfaces are integrated in the form of cooling plates so space optimized in the switching device that the surfaces are neither installed nor covered. Due to the consideration of the contact point from the second Entracermungsweges in the cooling plates is advantageously a favorable decoupling of the thermal release of thermal fluctuations of the contact transition point, whereby the tripping behavior of the switching device is favorably influenced.
- the space-optimized cooling device described here thus makes it possible to lower the overall temperature level as well as to improve the limiting current tripping behavior.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Gas-Insulated Switchgears (AREA)
- Breakers (AREA)
- Beans For Foods Or Fodder (AREA)
- Apparatus For Making Beverages (AREA)
Claims (5)
- Disjoncteur (1) comportant un déclencheur thermique (2) sur lequel est monté, par l'intermédiaire d'un support de pont de contact (3), une pièce de contact mobile (4) qui est logée sur un corps élastique (7) et est située vis-à-vis de pièces de contact fixes (8, 9), caractérisé en ce qu'un dispositif de dissipation de chaleur (27, 28, 29) en matière dissipant la chaleur est agencé respectivement sur le côté de pièces de contact fixes (8, 9) et en ce que le dispositif de dissipation thermique (27, 28, 29) est agencé sur les pièces de contact fixes (8, 9) ainsi que sur la langue de liaison (15) du déclencheur thermique.
- Disjoncteur (1) selon la revendication 1, caractérisé en ce que le dispositif de dissipation thermique (27, 28, 29) en matière dissipant la chaleur est réalisé en tant que tôle de refroidissement (29).
- Disjoncteur (1) selon la revendication 2, caractérisé en ce que les tôles de refroidissement (29) sont réalisées en tant qu'ailettes de refroidissement.
- Disjoncteur (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif de dissipation thermique (27, 28, 29) est agencé dans des cloisons de boîtier (31) séparant des phases.
- Disjoncteur (1) selon l'une des revendications précédentes 2 ou 3, caractérisé en ce que les tôles de refroidissement (29) sont agencées en forme d'ailettes isolées sur le contour de base du disjoncteur.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10008006.8A EP2413338B1 (fr) | 2010-07-30 | 2010-07-30 | Commutateur doté d'un dispositif de dissipation de la chaleur |
BR112013002339-2A BR112013002339B1 (pt) | 2010-07-30 | 2011-06-30 | interruptor de potência com um disparador térmico |
US13/811,050 US9799462B2 (en) | 2010-07-30 | 2011-06-30 | Switching device with a heat extraction apparatus |
PCT/EP2011/061049 WO2012013440A1 (fr) | 2010-07-30 | 2011-06-30 | Appareil de coupure comprenant un dispositif de dissipation de la chaleur |
KR1020137005094A KR101578341B1 (ko) | 2010-07-30 | 2011-06-30 | 열 추출 장치를 구비한 스위칭 디바이스 |
EP11730945A EP2564407A1 (fr) | 2010-07-30 | 2011-06-30 | Appareil de coupure comprenant un dispositif de dissipation de la chaleur |
CN201180034646.6A CN103003905B (zh) | 2010-07-30 | 2011-06-30 | 具有散热装置的开关设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10008006.8A EP2413338B1 (fr) | 2010-07-30 | 2010-07-30 | Commutateur doté d'un dispositif de dissipation de la chaleur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2413338A1 EP2413338A1 (fr) | 2012-02-01 |
EP2413338B1 true EP2413338B1 (fr) | 2017-08-30 |
Family
ID=43296930
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10008006.8A Active EP2413338B1 (fr) | 2010-07-30 | 2010-07-30 | Commutateur doté d'un dispositif de dissipation de la chaleur |
EP11730945A Withdrawn EP2564407A1 (fr) | 2010-07-30 | 2011-06-30 | Appareil de coupure comprenant un dispositif de dissipation de la chaleur |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11730945A Withdrawn EP2564407A1 (fr) | 2010-07-30 | 2011-06-30 | Appareil de coupure comprenant un dispositif de dissipation de la chaleur |
Country Status (6)
Country | Link |
---|---|
US (1) | US9799462B2 (fr) |
EP (2) | EP2413338B1 (fr) |
KR (1) | KR101578341B1 (fr) |
CN (1) | CN103003905B (fr) |
BR (1) | BR112013002339B1 (fr) |
WO (1) | WO2012013440A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105679619B (zh) * | 2016-03-30 | 2017-11-10 | 上海电科电器科技有限公司 | 电器开关的接通分断机构 |
CN107591263B (zh) * | 2017-11-03 | 2019-06-28 | 常熟开关制造有限公司(原常熟开关厂) | 一种控制与保护开关 |
US11549296B2 (en) | 2018-11-07 | 2023-01-10 | J. D. Bucklin | Temperature activated door spring |
DE102019209747B3 (de) * | 2019-07-03 | 2020-10-08 | Ellenberger & Poensgen Gmbh | Schutzschalter |
US11885166B2 (en) | 2019-11-06 | 2024-01-30 | Upton Ventures, Inc. | Condition activated door spring |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE876563C (de) * | 1951-04-19 | 1953-05-15 | Siemens Ag | Mehrpoliger Selbstschalter, insbesondere Motorschutzschalter, mit thermischen und elektromagnetischen Ausloesevorrichtungen |
DE1096468B (de) * | 1958-03-03 | 1961-01-05 | Licentia Gmbh | Leistungsschalter mit geradlinig verstellbarem Brueckenkontakt |
EP2251887A1 (fr) * | 2009-05-15 | 2010-11-17 | Abb Ag | Dispositif de déclenchement électromagnétique |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2732451A (en) | 1946-07-05 | 1956-01-24 | Degler | |
GB825542A (en) * | 1956-09-24 | 1959-12-16 | Sunvic Controls Ltd | Improvements in and relating to thermally operated electric switch devices |
DE1141012B (de) * | 1958-10-28 | 1962-12-13 | Licentia Gmbh | Schutzeinrichtung in Stromversorgungs- und Verteilungsanlagen |
US3764765A (en) * | 1972-06-12 | 1973-10-09 | Gen Electric | Heat dissipation means for electric devices mounted in switchboards (especially circuit breakers) |
US4005297A (en) * | 1972-10-18 | 1977-01-25 | Westinghouse Electric Corporation | Vacuum-type circuit interrupters having heat-dissipating devices associated with the contact structures thereof |
US4743720A (en) * | 1985-11-25 | 1988-05-10 | Matsushita Electric Works, Ltd. | Current limiting circuit interrupter |
US5322982A (en) * | 1992-05-05 | 1994-06-21 | Square D Company | Fusible switch |
WO2001086681A1 (fr) * | 2000-05-08 | 2001-11-15 | Siemens Aktiengesellschaft | Dispositif de commande |
DE10326355B3 (de) | 2003-06-04 | 2005-02-03 | Siemens Ag | Luftleiteinrichtung zum Kühlen eines Schalterteiles eines elektrischen Schalters |
DE20316027U1 (de) * | 2003-10-18 | 2004-01-15 | Moeller Gmbh | Elektrisches Schaltgerät mit Einrichtung zur Lichtbogenlöschung |
DE102006057814A1 (de) * | 2006-12-06 | 2008-04-10 | Siemens Ag | Überbrückungsteil, Sanftstartgerät und Schütz |
EP2315987A2 (fr) * | 2008-06-03 | 2011-05-04 | Bsst Llc | Pompe à chaleur thermoélectrique |
CN201402758Y (zh) | 2009-04-10 | 2010-02-10 | 无锡韩光电器有限公司 | 一种散热透气装置 |
US8717746B2 (en) * | 2012-03-22 | 2014-05-06 | Abb Technology Ag | Cooling apparatus for switchgear with enhanced busbar joint cooling |
-
2010
- 2010-07-30 EP EP10008006.8A patent/EP2413338B1/fr active Active
-
2011
- 2011-06-30 BR BR112013002339-2A patent/BR112013002339B1/pt active IP Right Grant
- 2011-06-30 KR KR1020137005094A patent/KR101578341B1/ko active IP Right Grant
- 2011-06-30 WO PCT/EP2011/061049 patent/WO2012013440A1/fr active Application Filing
- 2011-06-30 US US13/811,050 patent/US9799462B2/en active Active
- 2011-06-30 EP EP11730945A patent/EP2564407A1/fr not_active Withdrawn
- 2011-06-30 CN CN201180034646.6A patent/CN103003905B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE876563C (de) * | 1951-04-19 | 1953-05-15 | Siemens Ag | Mehrpoliger Selbstschalter, insbesondere Motorschutzschalter, mit thermischen und elektromagnetischen Ausloesevorrichtungen |
DE1096468B (de) * | 1958-03-03 | 1961-01-05 | Licentia Gmbh | Leistungsschalter mit geradlinig verstellbarem Brueckenkontakt |
EP2251887A1 (fr) * | 2009-05-15 | 2010-11-17 | Abb Ag | Dispositif de déclenchement électromagnétique |
Also Published As
Publication number | Publication date |
---|---|
BR112013002339A2 (pt) | 2016-05-24 |
WO2012013440A1 (fr) | 2012-02-02 |
CN103003905B (zh) | 2016-08-03 |
KR20130041282A (ko) | 2013-04-24 |
US9799462B2 (en) | 2017-10-24 |
EP2413338A1 (fr) | 2012-02-01 |
BR112013002339A8 (pt) | 2016-10-18 |
BR112013002339B1 (pt) | 2020-10-27 |
US20130118869A1 (en) | 2013-05-16 |
KR101578341B1 (ko) | 2015-12-17 |
CN103003905A (zh) | 2013-03-27 |
EP2564407A1 (fr) | 2013-03-06 |
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