WO2013131757A1 - Module d'alimentation électrique comprenant deux éléments mécaniques devant être assemblés avant l'utilisation - Google Patents

Module d'alimentation électrique comprenant deux éléments mécaniques devant être assemblés avant l'utilisation Download PDF

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Publication number
WO2013131757A1
WO2013131757A1 PCT/EP2013/053464 EP2013053464W WO2013131757A1 WO 2013131757 A1 WO2013131757 A1 WO 2013131757A1 EP 2013053464 W EP2013053464 W EP 2013053464W WO 2013131757 A1 WO2013131757 A1 WO 2013131757A1
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
supply module
assembly
elements
mechanical
Prior art date
Application number
PCT/EP2013/053464
Other languages
English (en)
Inventor
Jean-Marc Le Foulgoc
Anthony Aubin
Thierry BELLEC
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of WO2013131757A1 publication Critical patent/WO2013131757A1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • 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

Definitions

  • the invention relates to the domain of electrical power supply modules connecting to mains sockets and supplying one or more supply voltages to an item of equipment. More specifically, the invention relates to electrical power supply modules comprising electrical connection pins (or fingers) and a pin with a mechanical function useful for plugging them in.
  • DC-packs Prior art Many items of equipment are supplied with power by separate power supply modules (sometimes called "DC-packs") whose principal function is to supply one or more DC voltages from a mains voltage.
  • the mains voltage is defined as the voltage available on the domestic or industrial electrical network.
  • a power socket making available the mains voltage is called mains socket in the following paragraphs.
  • the mechanical characteristics of power supply modules vary significantly according to the power which can be delivered and the type of mechanical connection with the mains wall sockets or extensions.
  • the mechanical characteristics specific to the electrical and mechanical connection to the mains network are standardised and vary according to country.
  • Models of "DC-pack” power supply modules exist for which the mechanical parts useful for the electrical and mechanical connection to the network, specific to one or more countries, are retractable and interchangeable, thus enabling use of a same module in several countries.
  • the use of these modules in a particular country requires the use of the interchangeable part corresponding to the mechanical and electrical definition of mains sockets available in the given country.
  • this third finger by inserting it into the mains socket (wall or extension socket) unlocks a mechanical system preventing access to the two electrical connection points and makes possible mechanical insertion of the other two fingers, useful for the electrical connection of the power supply module with the network.
  • This functionality is used to increase personal safety.
  • the power which can be delivered by a DC-pack power supply module also has a significant effect upon the mechanical design, due to the size of the components used and the heat dissipation constraints.
  • the overall dimensions of power supply modules also have an effect on the dispatch options for delivering them to users.
  • a packaged power supply module has overall dimensions less than 35 mm, which corresponds to the opening of a standard letterbox, thus enabling the packaged module to be inserted into the letterbox.
  • the invention enables at least one of the disadvantages of the prior art to be resolved by proposing an electrical power supply module which can be dispatched in two distinct elements.
  • the two distinct elements requiring to be assembled before the first use.
  • This structure in two assemblage elements enables the reduction of at least one of the overall dimensions of the module during delivery to the end user and enables it to be inserted into a letterbox.
  • the invention relates to an electrical power supply module comprising a first element and a second element.
  • the two elements being separate prior to the first use of the power supply module. Assembling the first element and the second element is necessary for use of the electrical power supply module. It is impossible to insert the first element of the power supply module into a power socket if it has not previously been mechanically assembled to the second element.
  • the second element is a mechanical element carrying out a mechanical function only, so that it does not have an effect on the different certification processes (compatibility, safety) which are a prerequisite for use of the power supply module (and for its authorisation for distribution and marketing
  • the first element comprises electrical connection pins.
  • the assembly of the first element and the second element cannot be dismantled after assembly.
  • the first element and the second element are assembled using clips, the clips preventing the assembled power supply module from being dismantled.
  • the first element and the second element are assembled using at least one screw.
  • the invention also relates a method for assembling an electrical power supply module comprising a first element and a second element, the power supply module being composed of at least two separate elements prior to its first use, the assembly of the first element and the second element being necessary for the use of the electrical power supply module, the first element comprising electrical connection pins, the second element being a mechanical element carrying out a mechanical function only, the method being characterised in that:
  • the second element is translationally guided on the first element by a rail or or a slide channel
  • the axis of the rail used for assembling the first element and the second element is parallel to the axis of insertion of the power supply module into a mains socket.
  • the axis of the rail (or the slide channel) used for assembling the first element and the second element is perpendicular to the axis of insertion of the power supply module into a mains socket.
  • the second element comprises a bearing surface in contact with a surface of the first element, which bearing surface cooperates in facilitating the removal of the second element from a mains socket during the removal of the first element from the mains socket.
  • FIG. 1 shows a power supply module comprising two separate elements before use.
  • FIG. 2 shows the two elements of the power supply module represented in Figure 1 and specifies the assembly method.
  • FIG. 3 shows the two elements of the power supply module in the process of assembly.
  • Figure 5 represents the assembled power supply module, such as in Figure 4 from another angle of view.
  • Figure 6 represents the assembled power supply module, such as in Figures 4 and 5 from a third angle of view.
  • FIG. 7 represents the separate elements of the power supply module, before assembly, and specifies the assembly and attachment elements.
  • - Figure 10 represents the assembly of the elements from the angle of view of Figures 8 and 9.
  • - Figure 1 1 represents a cross-sectional view of the separate elements of the power supply module.
  • the invention in a general but non-restrictive way, relates to a power supply module comprising two elements separate before use and requiring to be assembled prior to the first use.
  • the structure of the power supply module in two separate elements to be assembled before use enables its mechanical dimensions to be reduced and at least one overall dimension satisfying at least one mechanical constraint to be obtained.
  • bearing surface means a surface that is used to transmit or receive a force on / from another surface (or part) and that helps in a mechanical operation such as, for example, the removal of the second element from the mains socket.
  • the bearing surface is used to help (facilitate) the removal of the second element from the mains socket when the first element is hold by and removed from the main socket by a user.
  • Figure 1 represents the two elements 1 and 2 which constitute the power supply module according to the embodiment of the invention.
  • element 1 is the element with the greater volume. It contains all the electrical and electronic circuits adapted to the supply of a DC voltage from the mains voltage.
  • Element 2 is a separate element which, associated to element 1 by assembly, enables the connection of the assembly of the two elements to a mains socket. Element 2 has a mechanical function and acts as a finger for unlocking the safety and isolation shutters of the mains socket.
  • the assembly of elements 1 and 2 constitutes a mechanical assembly compatible with the mechanical and electrical definitions and constraints for power sockets in Great Britain.
  • the separation into two elements to be assembled before use enables this compatibility to be preserved while reducing at least one dimension of the assembly of the two elements in order to facilitate its delivery to the user.
  • the power supply module constituted of elements 1 and 2 (after assembly), can be packaged and dispatched before assembly so that the dimensions of the parcel after packaging enable postal delivery and notably its insertion into a letterbox in Great Britain.
  • the thickness of element 1 is less than 35 mm and enables the two separate elements 1 and 2 to be inserted into a same parcel which can be inserted into a letterbox in Great Britain.
  • the thickness of element 1 is reduced to a value less than or equal to 32 mm, taking into account the average thickness of an envelope adapted to the packaging of an item of equipment such as, for example, the power supply module described.
  • element 2 is an element not carrying out an electrical function and not participating in the electrical connection of the power supply module to the network. This presents the advantage of not calling into question the certifications and characterisations prior to the authorisation for distribution and use of the switch mode power supply module, such as, for example, the safety and compatibility certifications (personal safety, and electromagnetic compatibility, for example).
  • Figure 2 represents elements 1 and 2 of the power supply module and suggests the assembly method by specifying the correspondences of form between the two elements 1 and 2 according to the embodiment of the invention.
  • element 2 appears aligned with a rail 100 of element 1 and slide channels 101 and 102 of the element.
  • the rail and the slide channels of element 1 enable the assembly of the two elements 1 and 2 by a translatory movement of element 2 into the slide channels 101 and 102 of element 1 , on the rail 100.
  • Figure 2 also represents the mechanical fingers 1 1 and 12 of element 1 and the mechanical finger 21 of element 2 which, together, constitute the three connection pins on a mains plug.
  • the pins 1 1 and 12 of element 1 comprise the electrical connection elements ensuring connection to the voltage available at the mains socket.
  • element 2 does not participate directly in any electrical function and only operates mechanically in the connection of the assembly with a mains socket.
  • element 2 In addition to its function as a finger for unlocking the mains socket safety shutters, element 2 contributes, due to its structure, to the mechanical solidity and stability of the connection of the power supply module and the mains socket. The assembly of elements 1 and 2 must therefore meet certain mechanical constraints.
  • Figure 3 shows assembly of elements 1 and 2 which constitute the power supply module according to the embodiment of the invention.
  • Element 2 is distinguished inserted into the slide channels 101 and 102 (not represented in Figure 3 but visible before assembly in Figure 2), and translationally guided.
  • the wings 201 and 202 of element 2 slide into the slide channels 101 and 102 of element 1 until the end stop 26 limits the translatory movement by pressing on a surface of element 1 , which surface is perpendicular to the axis of sliding and insertion.
  • Figures 4, 5 and 6 represent the power supply module ready for use, constituted of assembled elements 1 and 2, from several angles of view respectively and according to the embodiment of the invention.
  • the position of pins 1 1 , 12 and 21 satisfy the mechanical definition of a power socket such as those available in Great Britain.
  • the assembly of elements 1 and 2 cannot be dismantled after assembly. In fact, once delivery is made, if necessary by using postal delivery and after inserting the two elements into the letterbox, the mechanical constraint on the thickness of the power supply module no longer exists.
  • Another advantage of the permanent attachment of elements 1 and 2 is the impossibility of having element 2 on its own, after assembly, for unlocking the safety shutters of a mains socket and facilitating access to the connection terminals of a socket.
  • the impossibility of using element 2 on its own increases personal safety and particularly that of children.
  • locking in the assembled configuration of elements 1 and 2 is effected by the use of clips 22 and 23 (see Figure 2) located at the end of the wings 201 and 202 of element 2.
  • the clips which possess a slight deformation capacity (flexibility), are constrained by surfaces of the slide channels 101 and 102 of element 1 during insertion and pass these surfaces at the end of insertion, which has the effect of removing the mechanical deformation constraints.
  • the clips resume their neutral (or rest) positions at the end of insertion and effect, due to their shape, a "non-return" locking by surface contact, according to a method well known to those skilled in the art.
  • the clips are not accessible to the user once assembly is carried out in order to ensure the impossibility of dismantling the assembly of elements 1 and 2.
  • the clips are accessible using at least one appropriate tool and the accessibility windows are located so that the tool can mechanically constrain them in the opposite direction to insertion, for the purpose of disassembly.
  • the locking is carried out by at least one screw, enabling the disassembly of elements 1 and 2 by means of an appropriate tool.
  • Figure 7 demonstrates the correspondence of the elements enabling insertion, guiding and attachment of element 2 "into” element 1 .
  • Element 2 is inserted into element 1 so that the wings 201 and 202 of element 2 (201 is not marked in the figure, its largest part not being visible) slide into the slide channel slots 101 and 102 of element 1 until the interior surface of the end stop 26 of element 2 is in contact with the bearing surface 16 of element 1 .
  • the wings 201 and 202 of element 2 201 is not marked in the figure, its largest part not being visible
  • FIG. 7 also represents the rail 100 which enables the precise guiding of element 2 and which, due to its monolithic form, makes the structure rigid.
  • the locking clips 22 and 23 are visible at the end of the wings 201 and 202 (wing 201 is visible in Figure 8).
  • Figure 8 represents the elements of Figure 7 form a different angle of view and makes visible the parts not visible in Figure 7.
  • the second element 2 with its wings 201 and 202 separated by a slot into which is slid the rail 100 of element 1 during assembly.
  • the wings 201 and 202 have a lesser thickness at the ends bearing the clips 23 and 22 respectively, in order to create a flexibility enabling a spring effect.
  • the ends of the wings and the clips are thus constrained during insertion of the wings 201 and 202 into the slide channel slots 101 and 102 until released at the end of insertion to adopt a "rest" position and create a mechanical locking of the second element 2 in the first element 1 .
  • Figure 9 resumes the elements represented in Figure 8 with element 2 positioned on its axis of insertion into element 1 .
  • element 2 positioned on its axis of insertion into element 1 .
  • the end stop 26 which takes position after assembly against the bearing surface 16 as well as the clips 22 and 23 located at the other end of the wings 201 and 202 and ensuring the mechanical locking of the assembly of elements 1 and 2 in the assembled position.
  • the slot 27 which, during assembly, receives the rail 100 of element 1 can also be seen.
  • Figure 10 shows the elements of Figure 9 during assembly.
  • the wings 201 and 202 are partially inserted into the slide channel slots 101 and 102 and slide until the end stop 26 reaches the bearing surface 16.
  • Figure 11 represents a cross-sectional view of the two elements 1 and 2 according to an axis which coincides with the axis of insertion and sliding.
  • element 1 is originally constituted of at least two distinct parts and assembled by means of an adhesive or thermofusion.
  • element 1 is originally constituted of at least two distinct parts and assembled by means of screwing.
  • Figure 11 demonstrates the fact that the separation of the power supply module into two distinct parts before assembly and use, according to the embodiment of the invention, enables the thickness of the first element to be limited to a value less than 35 mm, which enables delivery through a letterbox in Great Britain, for example.
  • Element 2 of course also being designed to satisfy this dimension constraint.
  • the first element 1 and the second element 2 together constitute an electrical power supply module comprising the first element 1 and the second element 2.
  • the power supply module is composed of at least two separate (mechanically independent) elements 1 and 2 prior to its first use. Assembling the first element 1 and the second element 2 is necessary in order to use the electrical power supply module.
  • the second element 2 is a mechanical element carrying out a mechanical function only and not effecting an electrical connection when the assembly is connected to a mains socket. The advantage associated with this feature is that element 2 has no effect on the compliance of the assembly with regards to the safety rules in force.
  • the axis of the rail (or the slide channel) used for assembling the first element and the second element is perpendicular to the axis of insertion of the power supply module into a mains socket.
  • This variant has the advantage of avoiding the use of bearing surfaces (such as, for example, the interior surface of the end stop 26 and the bearing surface 16) cooperating in the removal of the second element 2 during the removal, from the power socket, of the module assembly.
  • the second element 2 has an overall "T" shape as the pin 21 has itself an axis of insertion into the wall socket parallel to the axis of insertion of the assembly.
  • the assembly method of the first element 1 and second element 2 does not use a rail or a slide channel and the pin 21 (also called unlocking finger) is a sub-assembly of a part which, complete, can be "clipped" onto the first element 1 .
  • the contact surfaces of the part bearing the finger 21 and the element 1 are thus designed so as to constrain the two elements after assembly in a position forcing the axis of the finger 21 to be parallel with fingers 1 1 and 12, which fingers 1 1 and 12 comprise the electrical connections between the mains network and the power supply module.
  • the assembly of the second element 2 and element 1 unlocks a system aimed at inhibiting the use of element 1 in the absence of element 2.
  • the locking system disabling for example the operation of electrical and/or electronic circuits embedded in element 1 in the absence of element 2, when the two elements are not assembled.
  • This system comprises for example a lug or a finger integral with the second element 2 and which activates a sensor integral with element 1 .
  • element 2 ensures the function of electrical connection called "grounding" between the mains and element 1 .
  • element 2 has an effect on the procedures for validating and checking compliance of the assembly of the two elements with the regulations in force.
  • the invention also relates to the method for assembling the two elements 1 and 2 which, together, constitute the power supply module.
  • the method for assembling the electrical power supply module according to the embodiment of the invention is such that the second element 2 is translationally guided on the first element by a rail 100, that at least one part of the second element 2 slides into a slide channel slot of the first element 1 and that the assembly of the second element 2 and the first element 1 is held in the use position and rendered unable to be dismantled by at least one clip 23.
  • the invention previously described is not limited to the embodiment described but relates to any electrical power supply device at least one of whose mechanical dimensions is reduced to a value less than a predefined threshold by splitting the power supply module into two separate pieces capable of being delivered together or separately, whose assembly is necessary prior to the first use of the assembly and at least one of whose two elements does not enter into consideration when testing electrical compatibility of the assembly with the standards in force.
  • the power supply module comprises more than two electrical connection pins. According to another variant embodiment, the power supply module comprises more than one unlocking pin for accessing the terminals for connection to the electrical network (mains).
  • the power supply module comprises two elements whose assembly is carried out by means of an adhesive after removing a film (or protective strip).

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  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un module d'alimentation électrique (1, 2) comprenant un premier élément (1) et un second élément (2), le module d'alimentation étant constitué d'au moins deux éléments séparés (1, 2) avant sa première utilisation, l'assemblage du premier élément (1) et du second élément (2) étant nécessaire pour que ledit module d'alimentation électrique (1, 2) puisse être utilisé, le second élément (2) étant un élément mécanique remplissant uniquement une fonction mécanique.
PCT/EP2013/053464 2012-03-08 2013-02-21 Module d'alimentation électrique comprenant deux éléments mécaniques devant être assemblés avant l'utilisation WO2013131757A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1252126 2012-03-08
FR1252126 2012-03-08

Publications (1)

Publication Number Publication Date
WO2013131757A1 true WO2013131757A1 (fr) 2013-09-12

Family

ID=47750671

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/053464 WO2013131757A1 (fr) 2012-03-08 2013-02-21 Module d'alimentation électrique comprenant deux éléments mécaniques devant être assemblés avant l'utilisation

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WO (1) WO2013131757A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4002599A1 (fr) * 2020-11-17 2022-05-25 Lapp Engineering AG Unité de connecteur enfichable et procédé de fabrication

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6247941B1 (en) * 2000-04-04 2001-06-19 Chiu-Shan Lee Combination electric connector having multiple grounding prong receiving portions and a plug unit secured by means of a plurality of hooks and coupling flanges
US20070032110A1 (en) * 2005-08-08 2007-02-08 Hughes David C Apparatus, system and methods for deadfront visible loadbreak
GB2444983A (en) * 2006-12-21 2008-06-25 Strax Uk Ltd Plug with removable earth pin unit
FR2912001A1 (fr) * 2007-01-26 2008-08-01 Xyz Science Co Ltd Adaptateur pour connecteurs
EP1978607A1 (fr) * 2007-04-03 2008-10-08 Modelabs Technologies Limited Chargeur électrique muni d'un plot de connexion articulé
EP1978608A1 (fr) * 2007-04-03 2008-10-08 Modelabs Technologies Limited Chargeur électrique en plusieurs pièces
EP2149939A1 (fr) * 2008-07-30 2010-02-03 Fujitsu Component Limited Connecteur d'insertion, connecteur de réception, et unité de connecteur
GB2467644A (en) * 2009-02-04 2010-08-11 Made In Mind Ltd Thin electrical plug

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6247941B1 (en) * 2000-04-04 2001-06-19 Chiu-Shan Lee Combination electric connector having multiple grounding prong receiving portions and a plug unit secured by means of a plurality of hooks and coupling flanges
US20070032110A1 (en) * 2005-08-08 2007-02-08 Hughes David C Apparatus, system and methods for deadfront visible loadbreak
GB2444983A (en) * 2006-12-21 2008-06-25 Strax Uk Ltd Plug with removable earth pin unit
FR2912001A1 (fr) * 2007-01-26 2008-08-01 Xyz Science Co Ltd Adaptateur pour connecteurs
EP1978607A1 (fr) * 2007-04-03 2008-10-08 Modelabs Technologies Limited Chargeur électrique muni d'un plot de connexion articulé
EP1978608A1 (fr) * 2007-04-03 2008-10-08 Modelabs Technologies Limited Chargeur électrique en plusieurs pièces
EP2149939A1 (fr) * 2008-07-30 2010-02-03 Fujitsu Component Limited Connecteur d'insertion, connecteur de réception, et unité de connecteur
GB2467644A (en) * 2009-02-04 2010-08-11 Made In Mind Ltd Thin electrical plug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4002599A1 (fr) * 2020-11-17 2022-05-25 Lapp Engineering AG Unité de connecteur enfichable et procédé de fabrication

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