WO2020127052A1 - Prise électrique universelle pour installation fixe - Google Patents

Prise électrique universelle pour installation fixe Download PDF

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Publication number
WO2020127052A1
WO2020127052A1 PCT/EP2019/085353 EP2019085353W WO2020127052A1 WO 2020127052 A1 WO2020127052 A1 WO 2020127052A1 EP 2019085353 W EP2019085353 W EP 2019085353W WO 2020127052 A1 WO2020127052 A1 WO 2020127052A1
Authority
WO
WIPO (PCT)
Prior art keywords
type channels
control electronics
socket
mains
voltage
Prior art date
Application number
PCT/EP2019/085353
Other languages
German (de)
English (en)
Inventor
Sascha Reinger
Original Assignee
Tecflower Ag
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 Tecflower Ag filed Critical Tecflower Ag
Publication of WO2020127052A1 publication Critical patent/WO2020127052A1/fr

Links

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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
    • 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
    • H01R13/6608—Structural association with built-in electrical component with built-in single component
    • H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
    • 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
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit board
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/12—Distribution boxes; Connection or junction boxes for flush mounting
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/18—Distribution boxes; Connection or junction boxes providing line outlets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
    • 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
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
    • 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
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • 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
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/14—Fastening of cover or lid to box

Definitions

  • the present invention describes a world socket comprising a housing with a combination patch panel in an AC voltage supply area, in which various country-specific mains plug type channels are arranged, and control electronics, the housing being permanently installable in an installation recess and the control electronics being connectable to a supply mains voltage by means of mains voltage lines and thereby connected to it a fixed supply voltage amplitude and frequency can be applied.
  • Travel adapters have been developed for a long time so that travelers can use their electrical devices or electronic consumers, each with a set of connection pins, which are usually arranged in the manner typical of the country, in sockets at remote locations around the world. These have a patch panel for power plugs from the country of the traveler on a removal side, while selectable sets of connection pins can usually be selected on an insertion side, which can then be plugged into a country-specific socket at the destination of the traveler.
  • Known travel adapters of this type ensure that travelers can use their usual power plugs by means of adapters in different national power sockets. However, these travel adapters must always be carried by the traveler.
  • a wall socket for AC voltages up to 250Volt is described, which as a world socket in the sense of this Registration can be called.
  • the world socket has a combination patch panel with several mains plug type channels, so that different internationally used mains plugs can be inserted.
  • Such a world socket is for fixed installation in a recess and a fixed connection to a defined supply network voltage, which is a defined one
  • the world socket according to EP2133961 has sought a way out and has found several mechanically displaceable protective elements which prevent undesired incorrect access to at least one mains plug type channel.
  • these protective elements are themselves susceptible to errors and are not sufficient for permanent secure operation of the world socket, which should remain permanently installed in a recess for a long time.
  • the present invention has for its object to provide a world socket, comprising a housing with a combination patch panel in an AC power supply area, which provides long-term protection against incorrect insertion of various plugs or against incorrect connection of different consumers, so that incorrect operation is excluded and thus short circuits or a damaging Overvoltage can be prevented.
  • This smart world socket should be permanently installed in a recess in a wall, furniture or the like and only when a suitable mains plug and a USB plug and / or connection of a wirelessly chargeable mobile device is recognized will the suitable AC voltage, DC voltage or induction voltage be applied to the electronic ones Consumers of the user submitted.
  • a multifunctional world socket which provides a secured DC voltage supply area with USB sockets for a DC voltage supply and / or a wireless charging area with at least one charging coil for wireless charging of mobile devices.
  • USB sockets for a DC voltage supply
  • wireless charging area with at least one charging coil for wireless charging of mobile devices.
  • Holding means are used so that a mobile device to be charged remains attached to the housing during charging.
  • FIG. 1 shows a schematic perspective illustration of different power plugs with country-typical sets of power plug type channels before being plugged into an AC voltage supply area in the housing of a
  • Figure 2 shows a schematic sectional drawing through a
  • World socket which is stored in a recess and is connected to a power supply line.
  • a world socket 1 or multi-function world socket 1 for fixed installation in a recess 4 is described here.
  • This world socket 1 has a housing 10, which one
  • the combination patch panel 11 has a plurality of power connector type channels 12. These power plug type channels 12 form different sets of power plug type channels 12 into which a plurality of connection pins 200 of different country-typical power plugs 2 can be inserted.
  • various power plugs 2 which have known sets 20 of individual connection pins 200 which are grouped in standards.
  • Connection pins 200 the middle one being an insulator pin and a power plug 2 from the USA.
  • several types of power plugs 2 with different sets 20 of connection pins 200 are used in one country, in which case corresponding wall sockets had to be used up to now.
  • the arrangement of the power plug type channels 12 and also their shape can be designed accordingly, it being desirable to arrange as close as possible as possible as many power plug type channels 12 in the combination plug-in area 11 to reach.
  • the mains plug type channels 12 are suitably electronically contacted in the housing 10 or behind the housing 10, so that they can be acted upon with corresponding electronic voltages.
  • at least one is optional
  • DC voltage supply area II comprising at least one USB socket 19 arranged in the housing 10, so that mobile devices can be connected by cable and their battery can be recharged.
  • a mobile device connected to the DC voltage supply area II is usually charged at a distance from the world socket 1, while it is supplied with a DC voltage with a few volts amplitude.
  • a plurality of USB sockets 19 are arranged surrounding the combination patch panel 11, spaced apart from the combination panel 11.
  • the known contacts of the USB sockets 19 are also electrically contacted in the housing 10 or behind the housing 10.
  • a further option in addition to the AC voltage supply to the world socket 1 or multi-function world socket 1 and / or the DC voltage supply area II is a wireless charging area III.
  • a wireless rechargeable mobile device is positioned on the front side of the housing 10, while at least one charging coil A can emit a charging voltage to the mobile device.
  • standards such as Qi or powermat have become established, all of which work by means of electromagnetic induction, use different types of coils and deliver charging powers of a few watts.
  • the charging electronics and receiver electronics can communicate with one another on the mobile device, so that the charging power output only exists if a suitable mobile device can be coupled. Otherwise, the wireless charging voltage is also switched off if no suitable mobile device has been detected.
  • FIG. 2 shows an installation recess 4 in a wall or piece of furniture, the world socket 1 being inserted into the installation recess 4 and being permanently fastened therein.
  • Fasteners on the housing 10 of the most extensive socket 1 are not shown for the sake of clarity.
  • Various possible fastening means are known to the person skilled in the art in order to achieve permanent fastening in the installation recess 4.
  • a chamfer is attached to the housing 10 here for aesthetic reasons.
  • Power plug type channels 12 and USB sockets 19 cross the housing 10.
  • Voltage outputs 17 are arranged in the power plug type channels 12, which supply a desired socket outlet voltage 18 in the power plug type channels 12. Only if from a known set of 20 typical
  • Pins 200 of a known power plug 2 pins 200 are correctly inserted into the power connector type channels 12, a control electronics 13 in the housing 10 provides the correct socket output voltage 18 on the contacts of the power connector type channels 12.
  • Mains voltage input 16 is connected to the supply mains voltage 30 via a mains voltage feed line 3.
  • the mains voltage input 16 is supplied with the supply mains voltage 30 and a defined alternating voltage with a nominal voltage and an alternating voltage frequency.
  • the incoming supply network voltage 30 can be converted into different desired AC voltages with desired frequencies and into desired DC voltages by means of transformer 15.
  • the control electronics 13 controls the voltage applied to the socket outlet voltage 18 at the mains connector type channels 12, the USB sockets and the
  • Measuring means 14 are arranged in the course of the mains plug type channels 12, within the mains plug type channels 12 or at the end of the mains plug type channels 12 facing the control electronics 13.
  • the measuring means 14 means electronic measuring means 14 which allow a measurement of the electronic resistance and / or the electronic capacitance in or on the at least one mains connector type channel 12.
  • the measuring means 14 are indicated in FIG. 2 as a schematic resistance at the end of a mains plug type channel 12.
  • several measuring means 14 must be arranged on or in several mains plug type channels 12, so that several connecting pins 200 are inserted into a plurality of mains plug type channels 12 by the measuring means 14 and thus by the control electronics 13 can be recognized.
  • the measuring means 14 are connected to the control electronics 13 so that the control electronics 13 can evaluate measured values.
  • the contacts in the mains plug type channels 12, to which the socket outlet voltage 18 is present, are not shown here. These contacts are preferably arranged on the side of the mains plug type channels 12 facing away from the control electronics 13, while the measuring means 14 are arranged on the side facing the control electronics 13.
  • At least one microcontroller and a memory are preferably installed in the control electronics 13, so that occupancy sets are known Power plug 2 can be stored in the control electronics 13.
  • the values, the measured resistance or the measured capacitance, which signals the control electronics 13 to an occupied power connector type channel 12, must also be stored in the control electronics 13, preferably in the memory and / or in the microcontroller.
  • control electronics 13 can measure a defined electronic resistance in three adjacent mains plug type channels 12, then the control electronics 13 determines, for example, that a mains plug 2 from Switzerland is inserted. Only if these three connection pins 200 lie next to one another in the known manner and are located in the corresponding set of occupancy stored in the control electronics 13 in the corresponding mains plug type channels 12, then does the control electronics 13 act on these then occupied mains plug type channels 12. It is therefore not only necessary to insert the number of connected plug pins 200 correspond to the assignment set stored in the control electronics 13, but also the positions of the connection pins 200 in the stored network type channels 12. After the connection pins 200 or the plugged-in country-specific mains plug 2 have been detected, the position is carried out
  • connection pins 200 in an unknown assignment set does not ensure that the occupied mains plug type channels 12 are subjected to voltage. Since the connection pins 200 have different lengths and are partially electronically isolated, the measuring means 14 should be arranged in the rear third in the course of the mains plug type channels 12 on which the Control electronics 13 facing the side of the mains plug type channels 12.
  • the measuring means 14 can be distributed on the inner surface of the mains plug type channels 12, whereby the entire surface of the mains plug type channel can also be contacted with the measuring means 14. If a DC voltage supply area II with USB sockets 19 is provided, then measuring means can also be arranged in the course of the USB sockets, which can detect the insertion of USB plugs. Here too, such measuring means 14 'are indicated by dashed lines in FIG. 2.
  • these measuring devices also send a signal to the control electronics 13, which only then applies the desired DC voltage to the USB socket.
  • USB sockets 19 instead of USB sockets 19, other sockets for low DC voltages can be provided and acted upon in a controlled manner.
  • the desired DC voltage is in the range of 5 volts to 12 volts.
  • a data receiver in the control electronics serves as the measuring device. Since the control electronics 13 operate the charging coils A, wireless contacting of a mobile device with the charging coils A or the control electronics 13 can be detected. The control electronics 13 uses measuring means on the charging coils A to recognize that a mobile device is ready for charging and whether it is compatible with the charging electronics as part of the control electronics 13. If this is the case, the control electronics 13 emits the maximum charging voltage via the charging coils A. If there is no consumer nearby for charging, the control electronics 13 detects this and largely shuts down the power output.
  • the world socket 1 thus has at least one AC supply area I with one
  • Combination patch panel 11 in which an AC voltage is applied specifically to detected power plug type channels 12 according to detected inserted power plugs 2.
  • transformer 15 By means of transformer 15 generates the typical AC voltage amplitude and frequency for the plugged-in power plug 2 and, controlled by the control electronics 13, applies it to the corresponding power plug type channels 12 as required. Due to the interaction of the measuring means 14 with the power plug type channels 12 and the control electronics 13, the control electronics 13 only applies the required occupied power plug type channels 12 with the desired socket output voltage 18.
  • Power plug type channels 12, into which no connection pins 200 or no recognized connection pins 200 of a known set 20 are inserted are preferably connected to ground.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne une prise électrique universelle (1) dotée d'un champs enfichable combiné dans lequel sont disposés différents canaux de type fiche secteur (12) propre à un pays et une électronique de commande (13) qui est connectée à une tension du système d'alimentation (30) à l'aide de lignes de tension secteur (3). L'invention vise à assurer une protection à long terme contre le raccordement défectueux de divers consommateurs. À cet effet, l'électronique de commande (13) est reliée fonctionnellement à un transformateur (15), qui est exposé à la tension du système d'alimentation (30) au moyen des lignes de tension secteur (3) et des moyens de mesure électroniques sont disposés au cours canaux de type fiche secteur (12), au moyen desquels l'électronique de commande (13) détecte par des mesures continues, dans quels canaux de type prise secteur (12) sont insérées des broches de connexion de la prise de courant typique d'un pays, et l'électronique de commande (13), lors de la détection d'une affectation correcte des canaux de type prise secteur, applique aux canaux de type prise secteur (12) occupés une tension de sortie (18) adaptée aux prises de courant typiques d'un pays et ayant une amplitude et une fréquence de tension alternative convenablement définies dans la zone des broches de connexion des canaux de type prise secteur (12).
PCT/EP2019/085353 2018-12-21 2019-12-16 Prise électrique universelle pour installation fixe WO2020127052A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01593/18A CH715690A2 (de) 2018-12-21 2018-12-21 Weltsteckdose für den Festeinbau.
CH01593/18 2018-12-21

Publications (1)

Publication Number Publication Date
WO2020127052A1 true WO2020127052A1 (fr) 2020-06-25

Family

ID=69063739

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/085353 WO2020127052A1 (fr) 2018-12-21 2019-12-16 Prise électrique universelle pour installation fixe

Country Status (2)

Country Link
CH (1) CH715690A2 (fr)
WO (1) WO2020127052A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7234954B1 (en) 2006-06-01 2007-06-26 Srage Jay M International electrical receptacle
GB2450541A (en) * 2007-06-28 2008-12-31 Daniel Gould Wall socket for different plugs, which may provide different voltages
EP2133961A1 (fr) 2005-08-03 2009-12-16 Clipsal Asia Holdings Limited Prise universale
WO2013034928A1 (fr) * 2011-09-09 2013-03-14 Ifpl Group Limited Support électrique
CN108808338A (zh) * 2018-07-10 2018-11-13 郑州飞铄电子科技有限公司 一种感应式插座

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2133961A1 (fr) 2005-08-03 2009-12-16 Clipsal Asia Holdings Limited Prise universale
US7234954B1 (en) 2006-06-01 2007-06-26 Srage Jay M International electrical receptacle
GB2450541A (en) * 2007-06-28 2008-12-31 Daniel Gould Wall socket for different plugs, which may provide different voltages
WO2013034928A1 (fr) * 2011-09-09 2013-03-14 Ifpl Group Limited Support électrique
CN108808338A (zh) * 2018-07-10 2018-11-13 郑州飞铄电子科技有限公司 一种感应式插座

Also Published As

Publication number Publication date
CH715690A2 (de) 2020-06-30

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