WO2012110138A1 - Dispositif de montage de commutateur d'interverrouillage, système haute tension pourvu d'un tel dispositif, et véhicule électrique ou hybride pourvu d'un dispositif de montage de commutateur d'interverrouillage et d'un système haute tension de ce type - Google Patents

Dispositif de montage de commutateur d'interverrouillage, système haute tension pourvu d'un tel dispositif, et véhicule électrique ou hybride pourvu d'un dispositif de montage de commutateur d'interverrouillage et d'un système haute tension de ce type Download PDF

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Publication number
WO2012110138A1
WO2012110138A1 PCT/EP2011/072468 EP2011072468W WO2012110138A1 WO 2012110138 A1 WO2012110138 A1 WO 2012110138A1 EP 2011072468 W EP2011072468 W EP 2011072468W WO 2012110138 A1 WO2012110138 A1 WO 2012110138A1
Authority
WO
WIPO (PCT)
Prior art keywords
voltage system
safety sensor
mounting device
connection
electrical
Prior art date
Application number
PCT/EP2011/072468
Other languages
German (de)
English (en)
Inventor
Raphael Fischer
Tobias Vogler
Mark Lauger
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2012110138A1 publication Critical patent/WO2012110138A1/fr

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Classifications

    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25—Devices for sensing temperature, or actuated thereby
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

Definitions

  • the invention relates to a mounting device for releasably, mechanically and electrically connecting a safety sensor (Interlockschalters) with a high-voltage system and a corresponding high-voltage system.
  • a safety sensor Interlockschalters
  • Some electrical systems such as electric motors and in particular wheel hub drives for electric or hybrid vehicles, are operated at voltages that are usually above 60 volts. Such stresses can be dangerous to the human organism, so that high-voltage systems may only be maintained and repaired by suitably trained personnel. If a fault occurs within the high-voltage system or if it is opened, it must be ensured that no danger arises from the high-voltage system.
  • a safety sensor In electrical systems, this is usually ensured by a safety sensor, a so-called interlock switch or breaker contact, 25, which causes a safety or forced shutdown of the system when opening the system.
  • a particular embodiment of a high-voltage system is an electric motor and / or wheel hub drive.
  • a wheel hub drive comprises an electric motor which is directly installed in a wheel of a vehicle and at the same time carries the wheel hub, so that a part of the motor rotates with the wheel.
  • When designed as an internal rotor hub drive often results in an extremely tight radial space within the housing.
  • assemblies such as the safety sensor, dismantled and later must be re-assembled to get to underlying modules can.
  • disassembly of the safety sensor may be necessary for removing the rotor of a wheel hub drive.
  • the invention has for its object to provide a mechanical and electrical connection of a safety sensor for safety shutdown of a high-voltage system available, which works safely under confined space conditions even with frequent assembly / disassembly operations.
  • a high-voltage system can be understood in particular to mean a system, of which at least one component is operated at least temporarily with a voltage of more than 60 V, for example more than 100 V, for example more than 300 V.
  • a high-voltage system may be an electric motor and / or a wheel hub drive, for example for an electric and / or hybrid vehicle.
  • the safety sensor for safety shutdown or forced shutdown of the high-voltage system can in particular be a safety switch, For example, a so-called interlock or breaker contact, be.
  • the safety sensor connection elements can therefore also be referred to as safety switch connection elements.
  • the safety sensor Via the electrical lines of the high-voltage system, the safety sensor can be supplied with electrical energy. Alternatively or additionally, the electrical lines for signal transmission, in particular the sensor signal serve.
  • a mechanical and electrical connection between the safety sensor and the high-voltage system for example the winding head region of an electric motor and / or wheel hub drive
  • the safety sensor and the high-voltage system for example the winding head region of an electric motor and / or wheel hub drive
  • the security sensor and its mechanical and electrical connection to the mounting device no high demands, in particular with regard to the mounting and dismounting, must be made.
  • advantageously available on the market security sensors which are, for example insoluble or poorly detachable mountable, can be used, which thanks to the mounting device yet easily disassembled several times in high-voltage systems and can be reinstalled.
  • the mounting device has only a high-voltage system connection element which is designed both a releasable mechanical connection with the high-voltage system and a detachable electrical connection of the contacting, in particular of two contacting elements, with electrical lines of the high-voltage system guarantee.
  • the Hochvoltsystemitatiselement in the form of an undercut tongue and groove connection, such as dovetail be configured in the components electrical lines are incorporated so that they act as contacting elements for electrical contacting of the safety sensor and not only a mechanical connection in the closed state of the compound , but also electrical connections result, via which the safety sensor with electrical lines of the high-voltage system is electrically connected.
  • the mounting device comprises at least two high-voltage system connection elements.
  • a contacting element can be detachably, electrically connectable via a high-voltage system connection element to an electrical line of the high-voltage system.
  • the high-voltage system connection element or the high-voltage system connection elements are designed as screwed connections and / or plug connections, for example as sliding connection and / or latching connection, for example undercut tongue and groove connection. Through these types of connection, a detachable, electrical and mechanical connection can be ensured in a particularly simple and robust manner.
  • the high-voltage system connection element or the high-voltage system connection elements is configured as a screw connection, wherein the base element is provided with a threaded bolt, in particular a screw, for mounting on the high-voltage system and the high-voltage system comprises an insert part.
  • the insert part comprises an internal thread corresponding to the threaded bolt and a connecting element which is electrically connected to an electrical line of the high-voltage system and which is screwed in by screwing of the threaded bolt is electrically contactable into the internal thread of the insert.
  • a particularly simple way to provide the basic element with a threaded bolt it is the basic element in the form of a bore provided with a plate through which a screw, in particular for mounting on the high-voltage system, can be pushed through such that the head of the screw for mounting on the high-voltage system on one side of the plate and the threaded bolt of the screw extends through the bore and from the opposite side of the plate.
  • a configured mounting device can be advantageously made particularly simple and inexpensive.
  • Insert parts can be formed in high-voltage systems at least partially by casting and / or spraying, for example by plastic molding and / or spraying.
  • the Einlegeteilher ein can be done at least partially simultaneously with or following the production of another assembly of the high-voltage system.
  • the insert can be introduced into a stator encapsulation of a wheel hub drive, in particular between the winding heads of the stator.
  • inserts are integrated into the high-voltage system in such a way that they terminate essentially with the surface of the high-voltage system, for example with the encapsulation surface of a stator of a wheel hub drive, ie they are not significantly beyond the corresponding high-voltage system surface or are reset in this regard.
  • two sections of an insert part or two insert parts in different slots / spaces between the pole teeth / winding heads are preferably provided for a good torsional security.
  • a Statorverguss and incorporated therein inserts are at least partially formed of the same plastic material. However, it is also possible to form the Statorverguss and the inserts of different plastic materials. The production of the Statorvergusses and the insert can be done both in one and in several steps.
  • a guide may be formed.
  • the internal thread and the connecting element of the insert can be realized both by different components and by one and the same component.
  • a metallic sleeve may be provided, in whose inner wall an internal thread is formed and which is electrically conductively connected to an electrical line of the high-voltage system.
  • Such a trained metallic sleeve can advantageously serve both as an internal thread and as a connection element.
  • the high-voltage system connection element or the high-voltage system connection elements are configured as undercut tongue and groove connections, in particular as dovetail connections.
  • the spring-shaped part of the connection on the base element and the groove-shaped part of the connection, for example, by an insert, is formed on the high-voltage system.
  • the high-voltage system connection element or the high-voltage system connection elements can be configured such undercut tongue and groove connection, in particular as a dovetail connection, that the insertion direction of the tongue and groove connection or dovetail connection is formed perpendicular to the cover of the high-voltage system.
  • the tongue and groove connection or dovetail joint can thus hold in five degrees of freedom by positive locking and in the sixth degree of freedom by frictional engagement.
  • the cover is closed, the tongue-and-groove connection or dovetail connection can thus be held in the sixth degree of freedom by positive locking with the cover.
  • An embodiment of the high-voltage system connecting elements as undercut tongue and groove connection, in particular as a dovetail Connection has the advantage that the assembly and disassembly of the mounting device can be simplified.
  • the contacting elements each comprise one, for example, at least partially kabeiförmige or conductor track-shaped, electrically connected to one of the electrical contacts of the safety sensor or electrically conductive line and a electrically connected to this electrical contact unit for electrically contacting a high-voltage system connection element.
  • Such configured contacting elements have the advantage that they allow a particularly simple and robust electrical connection with the electrical contacts of available safety sensors.
  • the contact units have an opening through which a threaded bolt, in particular a screw, of a high-voltage system connecting element can be pushed through.
  • the contact units can be designed for this purpose as a wire mesh or washer. Since the solvability of the safety sensor from the high-voltage system - as already explained - is ensured by the detachable high-voltage system connection device (s), the safety sensor connection element or the safety sensor connection elements do not necessarily have to be detachably designed.
  • the safety sensor connection elements can therefore be designed, for example, in the form of a cohesive connection, for example as an adhesive or soldered connection.
  • the safety sensor connection elements in the form of a detachable connection, for example as a screw or plug connection.
  • the safety sensor connection element or the safety sensor connection elements are designed as a screw connection, in particular wherein the base element is provided with a threaded bolt, in particular a screw, for fastening the safety sensor, the threaded bolt for fastening the safety sensor through a recess in the safety sensor is feasible, that the safety sensor is mechanically connected to the base element by screwing a nut corresponding to the threaded bolt.
  • the base element can also be provided with a threaded bolt in the case of safety sensor connection elements designed as a screw connection, in that the base element is designed in the form of a plate provided with a bore, through which a screw for fastening the safety sensor is push-through, that the head of the screw for attachment of the safety sensor on one side of the plate and the threaded bolt of the screw extends through the bore and from the opposite side of the plate away.
  • a threaded bolt for each high-voltage system connection element and for each safety sensor connection element, in each case one bore and one threaded bolt can be provided.
  • both the high-voltage system connection elements and the safety sensor connection elements are realized in this way, with the screws for mounting on the high-voltage system extending in the opposite direction to the screws for fastening the safety sensor.
  • the screw head-side bore openings can be configured, in particular in the case of the screws for fastening the safety sensor, such that the screw head can be lowered in the plate. So a simple production can be ensured and yet the space requirements are advantageously optimized.
  • the mounting device comprises the safety sensor, in particular wherein the safety sensor is mechanically connected to the base element by at least one safety sensor connection element and wherein the electrical contacts of the safety sensor are electrically connected to at least two contacting elements.
  • Another object of the present invention is a high-voltage system, in particular an electric motor and / or wheel hub drive, for example for an electric and / or hybrid vehicle, comprising a cover for opening and closing the high-voltage system, a safety sensor and a mounting device according to the invention, in particular wherein the safety sensor to is designed to output a signal when opening the cover to cause a safety shutdown of the high-voltage system.
  • the safety sensor is in particular mechanically and electrically connected to the mounting device.
  • the safety sensor is again detachable by the mounting device, mechanically connected to the high-voltage system and detachably, electrically connected or connectable to electrical lines of the high-voltage system.
  • the electrical lines of the high-voltage system can serve both for power supply and for signal transmission. In principle, however, it is also possible to ensure only the power supply via the electrical lines of the high-voltage system and to design the signal transmission wirelessly, for example, in which the signal transmission by radio, infrared, microwave or modulated onto the phase current occurs.
  • the high-voltage system includes or is a wheel hub drive with a stator and a rotor.
  • the mounting device can in particular on the stator or rotor, in particular stator, solving be mounted or mounted bar.
  • the mounting device can be detachably mounted or mounted on the inner circumference of the stator, in particular adjacent to an apparent covering the wheel hub output.
  • the high-voltage system comprises a cooling device.
  • the cooling device may in particular be formed in a housing section, for example the primary housing.
  • At least one of the electrical lines of the high-voltage system, in particular for electrical contacting of the safety sensor, may be passed through the cooling device or the housing section provided with the cooling device.
  • the electrical line of the high-voltage system preferably provided with an electrical insulation (longitudinal) through a coolant channel, in particular through the interior of a coolant channel, the cooling device to be passed.
  • the electrical line of the high-voltage system can advantageously be passed through the cooling device, without having to form further cavities in the cooling device.
  • the electrical line of the high-voltage system through an open or closed cable channel formed in the cooling device or in the housing section provided with the cooling device (groove in the primary housing at the interface between stator and cooling).
  • the cable channel may in particular be formed parallel to the axis of rotation of the wheel hub drive and / or in a side of the cooling device or of the housing section provided with the cooling device, adjacent to the stator.
  • At least one of the electrical leads of the high-voltage system is passed through an open or closed cable channel formed in the stator, in particular where the cable channel is parallel to the axis of rotation of the wheel hub drive and / or in one, to the cooling device or to a with the cooling device provided housing portion, adjacent side of the stator (groove on the outer circumference of a motor laminated core) may be formed.
  • the stator and / or the rotor has circumferentially arranged, for example embedded in a potting, pole teeth and slots lying therebetween. It can be formed along at least one slot, in particular parallel to the axis of rotation of the wheel hub drive, an open or closed cable channel. At least one of the electrical lines of the high-voltage system provided, in particular for making electrical contact with the safety sensor, may be passed through one of the slots (electrical line in motor-pack slots) or through a cable channel formed along a slot (additional slot in the bottom of a motor-laminated core slot). It is also possible to lay at least one of the, in particular for electrical contacting of the safety sensor provided, electrical lines of the high-voltage system together with the electrical lines of a temperature sensor.
  • Another object of the present invention is an electric and / or hybrid vehicle comprising a mounting device according to the invention and / or a high-voltage system according to the invention.
  • FIG. 1 a shows a schematic cross-section in the plane A-A through an embodiment of a mounting device according to the invention
  • Figure 1 b is a plan view perpendicular to the plane A-A on the embodiment shown in Figure 1 a.
  • Fig. 1 c is a plan view in parallel to the plane A-A on the embodiment shown in Figure 1 a and 1 b.
  • FIG. 1 d shows a plan view parallel to the plane A-A and in the opposite direction to the plan view of FIG. 1 c of the embodiment shown in FIGS. 1 a, 1 b and 1 c;
  • FIG. 2 shows a schematic cross section through a cooling device for illustrating an embodiment of the possibility of guiding an electrical line through or along a coolant channel
  • FIG. 3 shows a schematic cross section through a cooling device for illustrating a further possible embodiment of the guidance of an electrical line through a cooling device transversely to a coolant channel; 4 shows a schematic cross section through a stator with a cooling device to illustrate a further possible embodiment of the guidance of an electrical line through a cable duct in the cooling device; 5 shows a schematic cross section through a stator with a cooling device to illustrate a further possible embodiment of the guidance of an electrical line through a cable channel in the stator, and 6 shows a schematic cross section through a stator with a cooling device for illustrating a further possible embodiment of the guidance of an electrical line through a cable channel in the stator.
  • FIGS. 1 a to 1 d illustrate an embodiment of a mounting device 30, which for releasably, mechanically and electrically connecting a safety sensor (Interlockschalters) 10 with a high-voltage system 20, for example, an electric motor and / or wheel hub drive, in particular for an electric and / or hybrid vehicle , is designed.
  • the safety sensor 10 is designed to output a signal when opening a cover of the high-voltage system 20 in order to initiate a safety shutdown of the high-voltage system 20.
  • the component denoted by the reference numeral 20 may in particular be the stator of a wheel hub drive designed as an internal rotor.
  • the mounting device 30 has a base element 32, two safety sensor connection elements 34, 35 for mechanically connecting the safety sensor 10 to the base element 32, two contacting elements 36, 37 for electrically contacting the safety sensor 10 and two high-voltage system connection elements 38, 39, 39 a for the releasable, mechanical connection of the base element 32 to the high-voltage system 20 and for the detachable, electrical connection of the contacting elements 36, 37 to electrical lines of the high-voltage system 20.
  • a contacting element 36, 37 can be detachably, electrically connected or connected to an electrical line (not shown) of the high-voltage system 20 via a high-voltage system connection element 38, 39, 39 a.
  • both the safety sensor connection elements 34, 35 and the high-voltage system connection elements 38, 39, 39 a are designed as screw connections.
  • the basic element is designed in the form of a plate provided with four holes.
  • a screw 38 for mounting on the high-voltage system 20 is inserted through such that the head of the screw 38 abuts one side of the plate 32 and the threaded bolt of the screw 38 through the hole and away from the opposite side of the plate extends into a metallic sleeve with internal thread 39a, which is incorporated in one, formed in the high-voltage system 20 insert 39 and at the same time serves as a connection element.
  • the metallic sleeve 39 a is electrically connected to an electrical line (not shown) of the high-voltage system 20.
  • FIG. 1a shows that the screw head-side bore openings are designed in such a way that the heads of the screws 35 for fastening the safety sensor 10 in the plate 32 are retractable.
  • FIG. 1 a also shows that the screws 38 for mounting on the high-voltage system 20 extend in the opposite direction to the screws 35 for fastening the safety sensor 10.
  • FIG. 1a also illustrates that the contacting elements 36, 37 each have an electrical lead 36 electrically connected to one of the electrical contacts of the safety sensor 10 and a contact unit 37 electrically connected to this electrical lead 36 for electrically contacting a high-voltage system connection element 38 include.
  • the contact units 37 are designed as washers, through which the screws 38 are also inserted or plugged through for mounting on the high-voltage system 20.
  • Figure 1a illustrates that by screwing the screws 38 for mounting on the high-voltage system 20 in the internal thread 39a of the insert 39 via the connection elements 39a on the one hand and the contacting elements 36,37 on the other hand electrical contact between the electrical contacts of the safety sensor 10 and the electrical lines (not shown) of the high-voltage system 20 can be produced.
  • FIG. 1 b additionally illustrates the sensor element, in particular switching element 11, of the safety sensor 10 when the cover of the high-voltage system 20 is open.
  • the sensor element 11 is designed as a shift lever.
  • FIG. 1 b illustrates that in the embodiment shown, with the cover of the high-voltage system 20 open, the shift lever 11 extends away from the safety sensor 10.
  • FIG. 2 shows an embodiment of a cooling device 26 with a coolant channel 27 and illustrates that at least one of the electrical lines 21 of the high-voltage system, in particular for electrical contacting of the safety sensor 10, can be guided longitudinally through or within a coolant channel 27.
  • FIG. 3 shows another embodiment of a cooling device 26 with a coolant channel 27 and illustrates that at least one of the electrical leads 21 of the high-voltage system, in particular for electrical contacting of the safety sensor 10, can be guided through the cooling device 26 such that it even has a coolant channel 27 can cross.
  • FIGS. 4 to 6 show plan views of different embodiments of wheel hub drives from a direction of view parallel to the axis of rotation of the wheel hub drive.
  • FIGS. 4 to 6 show that the wheel hub drives can each comprise, in addition to the rotor (not shown), a stator 22 and a cooling device 26 adjoining the stator 22.
  • the inner circumference of the stator 22 in each case has a multiplicity of pole teeth 24 equipped with winding arrangements 24a, which act as electromagnets.
  • FIGS. 4 to 6 show that slots 25, that is, spaces between the teeth, are formed between the pole teeth 24. Described otherwise, these slots 25 in the form of grooves on the inner circumference of the stator 22, a plurality of pole teeth 24 arise.
  • an electrical line 21 provided in particular for electrical contacting of the safety sensor 10 is passed through an open cable duct 28 formed in the cooling device 26, which is parallel to the axis of rotation of the wheel hub drive and in a, to the Stator 22 adjacent side of the cooling device 26 is formed and is closed by the adjacent to the cooling device 26 stator 22.
  • an electrical lead 21 provided in particular for electrical contacting of the safety sensor 10 is passed through an open cable channel 23 formed in the stator 22, which is parallel to the axis of rotation of the wheel hub drive and in one to the cooling device 22 adjacent the stator 22 is formed and is closed by the adjacent to the stator 22 cooling device 26.
  • an open cable channel 23 is formed along a slot 25, in particular parallel to the axis of rotation of the wheel hub drive, through which an electrical line 21 is provided, in particular for electrical contacting of the safety sensor.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un dispositif de montage (30) servant à relier de manière libérable, mécanique et électrique, un capteur de sécurité (commutateur d'interverrouillage) (10) à un système haute tension (20), en particulier à un moteur électrique et/ou à un entraînement de moyeu de roue, par exemple pour un véhicule électrique et/ou hybride. L'objet de l'invention est de garantir avec facilité et sécurité de multiples montages et démontages du capteur de sécurité (10) sur le système haute tension (20), respectivement du système haute tension (20). A cet effet, un dispositif de montage comporte un élément de base (32), au moins un élément de liaison de capteur de sécurité (34,35) servant à relier mécaniquement le capteur de sécurité (10) à l'élément de base (32), au moins deux éléments de mise en contact électrique (36,37) pour la mise en contact électrique du capteur de sécurité (10), et au moins un élément de liaison au système haute tension (38,39,39a) servant à relier de manière libérable et mécanique l'élément de base (32) au système haute tension (20) et à relier électriquement, de manière libérable, les éléments de mise en contact électrique (36,37) aux lignes électriques (21) du système haute tension (20).
PCT/EP2011/072468 2011-02-16 2011-12-12 Dispositif de montage de commutateur d'interverrouillage, système haute tension pourvu d'un tel dispositif, et véhicule électrique ou hybride pourvu d'un dispositif de montage de commutateur d'interverrouillage et d'un système haute tension de ce type WO2012110138A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011004201.6 2011-02-16
DE102011004201 2011-02-16
DE102011080005A DE102011080005A1 (de) 2011-02-16 2011-07-28 Interlockschalter-Montagevorrichtung
DE102011080005.0 2011-07-28

Publications (1)

Publication Number Publication Date
WO2012110138A1 true WO2012110138A1 (fr) 2012-08-23

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Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2011/072083 WO2012110134A1 (fr) 2011-02-16 2011-12-07 Moteur électrique et système pour l'arrêt forcé de l'alimentation en énergie d'un tel moteur
PCT/EP2011/072468 WO2012110138A1 (fr) 2011-02-16 2011-12-12 Dispositif de montage de commutateur d'interverrouillage, système haute tension pourvu d'un tel dispositif, et véhicule électrique ou hybride pourvu d'un dispositif de montage de commutateur d'interverrouillage et d'un système haute tension de ce type

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PCT/EP2011/072083 WO2012110134A1 (fr) 2011-02-16 2011-12-07 Moteur électrique et système pour l'arrêt forcé de l'alimentation en énergie d'un tel moteur

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DE (2) DE102011080005A1 (fr)
WO (2) WO2012110134A1 (fr)

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CN106825864A (zh) * 2017-03-31 2017-06-13 广州子赫建筑装饰有限公司 一种用于焊接机的开启装置

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CN107437695A (zh) * 2017-04-11 2017-12-05 广州方阁建筑工程技术开发有限公司 一种新型焊接设备
CN108233052A (zh) * 2017-09-12 2018-06-29 韦健敏 一种改进型的除尘器设备
CN108242732A (zh) * 2017-12-01 2018-07-03 广州冠松电力科技有限公司 一种改进型led灯装置
CN113903621B (zh) * 2021-10-29 2023-08-15 盐城市正龙电热科技有限公司 一种便于安装的温控表

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