EP0729166A1 - Appareils électriques - Google Patents

Appareils électriques Download PDF

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Publication number
EP0729166A1
EP0729166A1 EP19960100739 EP96100739A EP0729166A1 EP 0729166 A1 EP0729166 A1 EP 0729166A1 EP 19960100739 EP19960100739 EP 19960100739 EP 96100739 A EP96100739 A EP 96100739A EP 0729166 A1 EP0729166 A1 EP 0729166A1
Authority
EP
European Patent Office
Prior art keywords
consumer
switching mechanism
connection
connection element
receptacle
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.)
Granted
Application number
EP19960100739
Other languages
German (de)
English (en)
Other versions
EP0729166B1 (fr
Inventor
Marcel Peter Hofsäss
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.)
HOFSAESS, MARCEL PETER
Original Assignee
Individual
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
Priority claimed from DE19506342A external-priority patent/DE19506342C1/de
Priority claimed from DE19545996A external-priority patent/DE19545996C2/de
Application filed by Individual filed Critical Individual
Publication of EP0729166A1 publication Critical patent/EP0729166A1/fr
Application granted granted Critical
Publication of EP0729166B1 publication Critical patent/EP0729166B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H01R13/7137—Structural association with built-in electrical component with built-in switch the switch being a safety switch with thermal interrupter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing

Definitions

  • the present invention relates to a consumer, for example a motor, a transformer, a heating coil, etc., with a first and a second connection element for the electrical supply to the consumer.
  • Such consumers are generally known from the prior art. Especially in household appliances, more and more devices with electrical consumers are being used, such as Suds pumps for washing machines, motors for compressors in refrigerators and freezers, transformers for electrical devices that are operated with a voltage different from the mains voltage, fan motors and heating coils for hair dryers, etc.
  • temperature monitors which have their own housing or support part and are subsequently installed on the consumer.
  • guard housings there are bimetallic switchgear assemblies, which are usually connected to two connecting lugs, terminals or strands which are located on the guard housing itself.
  • connection element of the temperature monitor is connected to a corresponding connection element of the consumer, the second connection element of the temperature monitor and the second connection element of the consumer then serving for the electrical supply of the consumer, who is now connected in series with the temperature monitor.
  • the bimetallic snap disk can be set in such a way that the current flow through the bimetallic switch connected in series with the consumer is interrupted at a preselected temperature of the consumer becomes.
  • the temperature monitors In addition to this temperature monitoring, the temperature monitors often take on further functions, they protect the consumer from excessive current consumption and / or prevent the consumer from being switched on again when the temperature has dropped again, for which purpose the temperature monitors are designed to be self-retaining. In order to be able to fulfill these additional functions, parallel and series resistors are integrated in the temperature monitor.
  • Such temperature monitors are usually mounted on the consumer to be monitored in the last manufacturing step. Particular care must be taken to ensure that there is a good heat-conducting connection to the part of the consumer which is to be monitored for its heat development.
  • connection diagrams so that they can be supplied with power via standardized plugs.
  • DE-PS-38 17 080 it is known from DE-PS-38 17 080 to design the housing of a temperature monitor so that it can be plugged onto the connections of the consumer to be monitored, two connections also protruding from the housing of the temperature monitor itself correspond to the desired connection diagram. In this way, the final assembly of the Consumer very easy, because only a temperature monitor has to be plugged onto the connections of the consumer.
  • the connection diagram of the consumer can either be retained or adapted to another standard.
  • connection technology which connects the switching mechanism in the interior of the monitor housing with its connections
  • temperature monitors are usually special developments that must be adapted to the consumer to be protected. It is not only important to pay attention to the connection technology, but also to ensure good thermal contact with the consumer to be monitored. This also leads to the fact that the costs for the design and manufacture of such temperature monitors are very high. Naturally, these costs are also transferred to the end costs of the consumers protected by the temperature monitors.
  • this object is achieved according to the invention in that it has a receptacle for a temperature-dependent switching mechanism, the second connecting element is connected directly and the first connecting element is electrically connected to the consumer via the switching mechanism when the switching mechanism is in the receptacle.
  • the object underlying the invention is completely achieved in this way. Surprisingly, it was found that not - as before - further improvements to the temperature monitor itself, but simple design changes to the electrical consumer to be monitored significantly reduce its manufacturing costs.
  • the basic idea here is to form a receptacle for the temperature-dependent switching mechanism directly on the electrical consumer, one connection element being connected directly to the consumer and the other with the switching mechanism located in the receptacle being electrically connected to the consumer.
  • the consumer is already "pre-wired" so that only the temperature-dependent switching mechanism has to be inserted into the receptacle afterwards in order to produce the final connection technology for both the connecting elements and for the temperature-dependent switching mechanism on the consumer to be protected.
  • the first connection element is assigned a further connection element connected to the consumer, which is electrically connected to the consumer for the purpose of electrical supply and together with at least part of the first connection element forms the receptacle for the temperature-dependent switching mechanism, so that when the switchgear is in the receptacle, the first connection element is connected in series with the further connection element via the switching mechanism.
  • connection element In addition to the first connection element, only one further connection element is now provided on the consumer, to which the consumer is electrically connected internally. This further connection element can be produced together with the first and the second connection element without major changes to the tools.
  • the electrical consumers have housing or support parts made of plastic, into which the connecting elements are cast or molded as connecting lugs or terminals. So here only the injection mold must be changed so that a further connection element can be provided.
  • the further connection element is now electrically connected to the consumer, so that no further manufacturing steps are required as compared to the prior art.
  • the first connection element is assigned a further connection element which is connected to the consumer and which is electrically connected to the consumer for the purpose of electrical supply and, together with a contact part which is electrically connected to the first connection element, forms the receptacle for the temperature-dependent switching mechanism, so that when the switching mechanism is in the receptacle, the first connection element is connected in series with the further connection element via the switching mechanism.
  • the first connection element In contrast to the first exemplary embodiment, it is not the first connection element itself, but a contact part which is electrically connected to the first connection element, together with the further connection element, which forms the receptacle for the temperature-dependent switching mechanism.
  • This embodiment is preferred if, for structural or other reasons, it is necessary to arrange the two connection elements spatially away from the receptacle for the temperature-dependent switching mechanism.
  • a rear derailleur is now pushed into the receptacle provided for it, whereby a series connection of the first connection element, rear derailleur, further connection element and consumer is produced.
  • connection element is a clamping element, which forms a clamping receptacle with the first connection element for clamping a switching mechanism.
  • connection element is a contact part which, together with the contact part connected to the first connection element, forms a clamping receptacle for clamping the switching mechanism.
  • the advantage here is that the costs for installing the switching mechanism on the consumer are further reduced; if the clamping receptacle is designed accordingly, the switching mechanism only has to be pushed into it and is automatically held there. Since this clamping is carried out by the two contact parts or the first and the further connection element, the electrical series connection is simultaneously produced by the clamping, so that further manufacturing steps can be dispensed with.
  • first and the second connection element preferably have a standardized connection diagram.
  • connection element is in heat-conducting connection with a part of the consumer to be monitored with regard to the heat development.
  • the advantage here is that no further components are required to bring the switching mechanism into heat-conducting connection with the consumer. Rather, the further connection element itself can be designed as a heat-conducting bridge. If the switching mechanism is only intended to provide protection against overcurrents, However, such a heat-conducting connection is not required. In addition, the switching mechanism may already be located at a point in the consumer where the heat to be monitored is developed, so that a further heat-conducting connection is not necessary even then.
  • an encapsulated switching mechanism is used in the receptacle, in which the electrical connection is made via a cover part and a base part insulated therefrom, which are in contact with the first and the further connection element or the two contact parts.
  • connection part to which the connection elements are attached, preferably cast.
  • connection elements only have to be cast in during the production of the housing or connection part, which is required in any case.
  • connection element and the first connection element or the two contact parts are at least partially arranged in a recess in the housing or connection part, the recess forming a receiving space for the switching mechanism.
  • the advantage here is that the rear derailleur can be protected against external influences, so that no additional protective caps etc. are required, which has a positive effect on the production costs. Furthermore, the receiving space can be arranged in the immediate vicinity of the part to be monitored with regard to the development of heat, so that additional heat-conducting bridges can be dispensed with.
  • the consumer is assigned a protective element which, in the assembled state, protects the receptacle and any switching mechanism located therein against external influences.
  • the protective element is a cover for closing the receiving space.
  • the combination of the receiving space and the protective element in the form of a cover results in further manufacturing advantages, because after the automatic introduction of the switching mechanism into the receiving space, the cover can also be automatically put on by means of an automatic manufacturing machine.
  • the protective element is a protective cap which can be plugged at least over the first and the further connecting element, the first connecting element projecting through the protective cap.
  • the consumer is assigned a short-circuit plug that can be inserted into the receptacle instead of a switching mechanism.
  • the consumer can now be tested in the test field or at the exit control without a switch mechanism already being inserted into the receptacle. If it turns out that the consumer does not have the required specifications, he can be declared a committee without the already installed rear derailleur also getting into the committee. Although it would be possible to remove the rear derailleur from the receptacle if it turns out that the consumer can be assigned to the committee, this requires additional manipulations.
  • the short-circuit plug which can be manufactured extremely cheaply, can be disposed of together with the consumer without any problems. However, it is also possible to design the short-circuit plug as a longer rod, which is automatically pulled off again by the consumer after leaving the test field. The consumer should in any case be provided with a rear derailleur after the test field, this automatic removal of the shorting plug is advantageous anyway.
  • connection elements comprise connection lugs.
  • connection lug itself can be the part of the connecting element which comes into contact with the switching mechanism.
  • the consumer now no longer has to be connected internally to the first connection lug but to the further connection lug.
  • terminal lug of the first connection element and the connection lug of the further connection element are resilient and cast into a plastic part of the consumer, so that an inserted switching mechanism is resiliently clamped.
  • the contact parts are designed as connecting lugs which point toward one another with their broad sides.
  • connection lugs can be used to make electrical contact with the temperature-dependent switching mechanism and to hold it mechanically.
  • an electrical consumer 10 is shown schematically in a basic side view, which e.g. can be a motor, a heating coil, a transformer or a similar electrical device to be protected against excessive temperatures.
  • connections 12 Arranged in a known manner on the consumer 10 is a housing or support part 11, indicated only schematically, on which, in a known manner, connections 12 are provided for the electrical supply to the consumer.
  • connections 12 comprise a first connection element 13 and a second connection element 14, which can also have a standardized contact pattern in a known manner.
  • connection element 15 is provided, which is arranged next to the first connection element 13.
  • the connection elements 13, 14, 15 are each formed as connection lugs 17, 18, 19 which are cast in the housing or support part 11 made of plastic.
  • the second connecting lug 18 is connected via a connection 21 to the consumer 10, the other end of which is connected to the further connecting lug 19 via a further connection 22.
  • the further connection 22 is designed as a heat-conducting bridge 23, as a result of which the further connecting lug 19 is in thermal connection with a part of the consumer 10 which is to be monitored with regard to the development of heat.
  • the first connecting lug 17 and the further connecting lug 19 form between them a receptacle 25 for a temperature-dependent switching mechanism 26, which is only indicated schematically.
  • This switching mechanism 26 provides a conductive connection between the otherwise not connected to the consumer 10 first terminal lug 17 and the further terminal lug 19 ago. In this way, the electrical supply to the consumer 10 continues via the first and second connecting lugs 17, 18, but the switching mechanism 26 is connected in series in this connection.
  • the switching mechanism 26 is a switching mechanism as used in temperature monitors and has a bimetallic snap disk and a spring washer, as was already explained at the beginning.
  • the switching mechanism 26 constitutes a conductive connection between the first connecting lug 17 and the further connecting lug 19, so that the current can flow to the consumer 10 unhindered. If the consumer 10 now heats up in an impermissible manner, this temperature increase is passed on via the heat-conducting bridge 23 to the switching mechanism 26, which opens when the nominal temperature is exceeded and thus interrupts the power supply to the consumer 10.
  • the switching mechanism 26 can also include a protective function against overcurrent, for which purpose a series resistor is provided in the switching mechanism 26. Furthermore, the switching mechanism 26 can be designed to be self-retaining by means of a resistor connected in parallel, so that the switching mechanism 26 does not close again when the temperature of the consumer drops again, so that the consumer 10 remains switched off for safety reasons.
  • the switching mechanism 26 Since the switching mechanism 26 carries the supply current for the consumer 10 via its housing, as is already known from the prior art, it must be electrically insulated from the outside for safety reasons.
  • a protective element 27 in the form of a protective cap 28 is provided, which over the Terminal lugs 17, 18 and 19 is slipped. It can be seen that the connecting lugs 17 and 18 extend through openings in the protective cap 28, so that they are still accessible from the outside for a standardized plug, for example.
  • At least the first connecting lug 17 and the further connecting lug 19 are resilient, so that the receptacle 25 is a clamping receptacle 31 which holds the inserted switching mechanism 26 by clamping. In this way, after the switching mechanism 26 has been inserted into the clamping receptacle 31, it is not necessary to ensure a secure mechanical fit and a secure electrical connection by soldering or similar measures.
  • This clamp fit of the switching mechanism 26 in the clamping receptacle 31 is achieved, on the one hand, in that the switching mechanism 26 is clamped under pretension between the two connecting lugs 17 and 19.
  • a recess 32 is provided in the interior of the protective cap 28, into which the further connecting lug 19 engages. This recess 32 is arranged so that the first terminal lug 17 and the second terminal lug 19 are pressed towards one another in the direction of the switching mechanism 26, so that the switching mechanism 26 is securely seated.
  • a known consumer from the prior art would only have the first and second connecting lugs 17 and 18, the first connecting lug 17 also being connected directly to the consumer 10.
  • the subsequent installation of a temperature monitor being considerably simplified as a result. that only in such a temperature monitor as one of several components switching mechanism is clamped directly between the first terminal lug 17 and the further terminal lug 19. This reduces the material costs on the one hand, and on the other hand results in a very simple and also automatable production.
  • a recess 33 in the housing or support part 11 completely accommodates the further connecting lug 19 and the first connecting lug 17.
  • This recess 33 thus forms a receiving space for the switching mechanism 26, which is thus better protected against mechanical damage.
  • the protective element 27 is now designed as a simple protective cover 34 which can be placed automatically after the switching mechanism 26 has been inserted into the receptacle 25, the first connecting lug 17 extending through this protective cover 34 outwards and for further connections is accessible.
  • the switching mechanism 26 consists of a cover part 35 with an external contact 36 and a bottom part 37 insulated from the cover part 35 with a further external contact 38. Via the contacts 36, 38, the switching mechanism 26 is in electrical and mechanical connection with the first connecting lug 17 and the further connecting lug 19.
  • FIG. 3 shows an example in a similar embodiment as in FIG. 2, in which the first connection element 13 comprises a clamping block 41 and the second connection element 14 comprises a clamping block 42.
  • the first connection element 13 further comprises a contact part 43 which is connected to the terminal block 41 via an electrical connection 44.
  • This Contact part 43 is located in the recess 33 in which a further contact part 45 is provided opposite as a further connection element 15.
  • a switching mechanism 26 can now be inserted between these two contact parts 43, 45.
  • a short-circuit plug is shown at 47, which can be inserted into the recess 33 instead of a switching mechanism 26.
  • the task of this short-circuit plug 47 is to replace the switching mechanism 26 if the consumer 10 is to be operated without monitoring by such a switching mechanism 26. This can either be the case when such monitoring is not required at all, or in the test field or during quality control if the functions of the consumer 10 itself are to be checked first before the switching mechanism 26 is inserted. After the check has been carried out, the short-circuit plug 47 can either be removed again or can remain in the cutout 33 if the device is to be delivered without a switching mechanism 26.
  • FIG. 4 shows a further exemplary embodiment in which two connecting lugs 51, 52 are provided on the housing or support part 11 and form the contact parts 43 and 45.
  • the wide ends 53, 54 of the connecting lugs 51, 52 face one another, so that a switching mechanism 26 can be inserted between them.
  • a locking lug 56 is provided on the connecting lug 52 and a locking part 57 is provided on the connecting lug 51. Locking lug 56 and locking part 57 can engage in corresponding recesses on the switching mechanism 26, so that this is held resiliently and captively between the connecting lugs 51 and 52.
  • connection elements 13 and 14 are further provided, of which the connection element 14 is connected directly to the electrical consumer 10, while the connection element 13 is connected to the contact part 43.
  • the consumer 10 is also connected via the connection 22 to the further connection element 15, which in this case is the connection lug 52.
  • the connecting elements 13, 14 are also arranged spatially distant from the receptacle, which is formed here by the two connecting lugs 51 and 52.
  • the switching mechanism 26 itself is not shown in FIG. 4.
  • a protective cap comparable to the protective cap 28 shown in FIG. 1 can also be placed over the connecting lugs 51, 52.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Thermally Actuated Switches (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Glass Compositions (AREA)
EP19960100739 1995-02-23 1996-01-19 Appareils électriques Expired - Lifetime EP0729166B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19506342 1995-02-23
DE19506342A DE19506342C1 (de) 1995-02-23 1995-02-23 Elektrischer Verbraucher
DE19545996 1995-12-09
DE19545996A DE19545996C2 (de) 1995-03-03 1995-12-09 Isoliergehäuse und elektrischer Verbraucher

Publications (2)

Publication Number Publication Date
EP0729166A1 true EP0729166A1 (fr) 1996-08-28
EP0729166B1 EP0729166B1 (fr) 1999-10-06

Family

ID=26012742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960100739 Expired - Lifetime EP0729166B1 (fr) 1995-02-23 1996-01-19 Appareils électriques

Country Status (5)

Country Link
US (1) US5717257A (fr)
EP (1) EP0729166B1 (fr)
AT (1) ATE185447T1 (fr)
DK (1) DK0729166T3 (fr)
ES (1) ES2140731T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2375510A1 (fr) * 2009-01-06 2011-10-12 Shen Daewood Electric (Shenzhen) Co., Ltd. Fiche secteur protégée contre les températures et les intensités de courant excessives

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19919648C2 (de) 1999-04-30 2003-03-13 Marcel Hofsaess Gerät mit in einer Tasche vorgesehenem temperaturabhängigen Schaltwerk
AU773747B2 (en) 1999-10-27 2004-06-03 Thermik Geratebau Gmbh Connector
US6740821B1 (en) * 2002-03-01 2004-05-25 Micron Technology, Inc. Selectively configurable circuit board
DE10214368B4 (de) * 2002-03-30 2007-09-13 Robert Bosch Gmbh Energiespeichermodul und dessen Verwendung für ein Elektrogerät
DE102013017232A1 (de) 2013-10-17 2015-04-23 Thermik Gerätebau GmbH Temperaturabhängiges Schaltwerk

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1272775A (en) * 1968-08-28 1972-05-03 Otter Controls Ltd Improvements in thermal control devices for electrically heated members
GB2049291A (en) * 1979-04-30 1980-12-17 Hofsass P Thermal switches
US4656378A (en) * 1985-11-12 1987-04-07 Amp Incorporated Motor stator and connector for making connections to stator windings
DE8708064U1 (fr) * 1987-06-06 1987-10-15 Hanning Elektro-Werke Gmbh & Co, 4811 Oerlinghausen, De
GB2222730A (en) * 1988-09-09 1990-03-14 Mabuchi Motor Co Thermistor connected between electric motor brush arm and brush terminal
FR2656171A1 (fr) * 1989-12-18 1991-06-21 Jidosha Denki Kogyo Kk
EP0603478A1 (fr) * 1992-12-23 1994-06-29 EBM ELEKTROBAU MULFINGEN GmbH & Co. Tableau d'interconnection pour connecter les pointes des fils d'un enroulement de stator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659242A (en) * 1970-02-04 1972-04-25 Hoagland Instr Co Overcurrent responsive device
US3965387A (en) * 1974-06-24 1976-06-22 General Electric Company Electric lamp and thermal switch therefore
DE3002232A1 (de) * 1980-01-23 1981-07-30 Robert Bosch Gmbh, 7000 Stuttgart Schalteinrichtung fuer elektrische andrehvorrichtungen fuer brennkraftmaschinen
US4396898A (en) * 1982-03-26 1983-08-02 Gte Products Corporation Lampholder having thermal protector
US5126510A (en) * 1990-12-14 1992-06-30 Challenger Electrical Materials, Inc. Thermal protector housing for lighting fixtures
DE4109867C2 (de) * 1991-03-26 1996-05-30 Bosch Gmbh Robert Schutzeinrichtung für Elektromotoren

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1272775A (en) * 1968-08-28 1972-05-03 Otter Controls Ltd Improvements in thermal control devices for electrically heated members
GB2049291A (en) * 1979-04-30 1980-12-17 Hofsass P Thermal switches
US4656378A (en) * 1985-11-12 1987-04-07 Amp Incorporated Motor stator and connector for making connections to stator windings
DE8708064U1 (fr) * 1987-06-06 1987-10-15 Hanning Elektro-Werke Gmbh & Co, 4811 Oerlinghausen, De
GB2222730A (en) * 1988-09-09 1990-03-14 Mabuchi Motor Co Thermistor connected between electric motor brush arm and brush terminal
FR2656171A1 (fr) * 1989-12-18 1991-06-21 Jidosha Denki Kogyo Kk
EP0603478A1 (fr) * 1992-12-23 1994-06-29 EBM ELEKTROBAU MULFINGEN GmbH & Co. Tableau d'interconnection pour connecter les pointes des fils d'un enroulement de stator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2375510A1 (fr) * 2009-01-06 2011-10-12 Shen Daewood Electric (Shenzhen) Co., Ltd. Fiche secteur protégée contre les températures et les intensités de courant excessives
JP2012514826A (ja) * 2009-01-06 2012-06-28 シェン ダイウー エレクトリック（シェンツェン） カンパニー リミテッド 過温度および過電流保護電源プラグ
EP2375510A4 (fr) * 2009-01-06 2012-10-03 Shen Daewood Electric Shenzhen Co Ltd Fiche secteur protégée contre les températures et les intensités de courant excessives

Also Published As

Publication number Publication date
US5717257A (en) 1998-02-10
ES2140731T3 (es) 2000-03-01
ATE185447T1 (de) 1999-10-15
EP0729166B1 (fr) 1999-10-06
DK0729166T3 (da) 1999-12-27

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