EP1657791A1 - Bloc d'alimentation enfichable - Google Patents

Bloc d'alimentation enfichable Download PDF

Info

Publication number: EP1657791A1
Authority: EP; European Patent Office
Prior art keywords: plug; power supply; primary; housing; side circuit
Prior art date: 2004-11-16
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

EP04027180A

Other languages

German (de)

English (en)

Other versions

EP1657791B1 (fr

Inventor

Stefan Mörbe

Franz Stake

Kay Van Gen Hassend

Michael Bothe

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.)

Friwo Mobile Power GmbH

Original Assignee

Friwo Mobile Power GmbH

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.)

2004-11-16

Filing date

2004-11-16

Publication date

2006-05-17

2004-11-16 Application filed by Friwo Mobile Power GmbH filed Critical Friwo Mobile Power GmbH

2004-11-16 Priority to DE502004007739T priority Critical patent/DE502004007739D1/de

2004-11-16 Priority to ES04027180T priority patent/ES2309437T3/es

2004-11-16 Priority to EP04027180A priority patent/EP1657791B1/fr

2004-11-16 Priority to AT04027180T priority patent/ATE403247T1/de

2005-11-16 Priority to CNB2005101253639A priority patent/CN100530847C/zh

2006-05-17 Publication of EP1657791A1 publication Critical patent/EP1657791A1/fr

2008-07-30 Application granted granted Critical

2008-07-30 Publication of EP1657791B1 publication Critical patent/EP1657791B1/fr

2024-11-16 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

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
- H01R13/665—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 present invention relates to a power supply with a housing and two recorded therein circuit carriers.
the present invention relates to a plug-in power supply that can be integrated in a plug, for example a European plug.
Plug-in power supplies in the small power range are nowadays increasingly implemented as switching power supplies. Due to the small size and low weight, they have prevailed in many applications and displace the formerly common linear devices. Thanks to constant improvements, years ago, it was possible to install a plug-in power supply with an output power of approximately three watts in a small housing.
WO 03/094305 A1 Examples of such miniaturized plug-in power supply units are given in WO 03/094305 A1. It is known on the one hand, a continuous circuit board, which receives the entirety of the electronic components, so both the secondary-side as well as the primary-side circuit elements to orient parallel to a longitudinal side of the device.
the outer contour of the plug body does not exceed the dimensions of a European connector according to standard.
a single circuit carrier for receiving all electronic components is proposed, which is parallel to the narrow side of the housing. All components of the primary and secondary side are mounted on the same level and are separated only by the aforementioned partitions.
IEC 60950 describes the requirements for the insulation and the minimum distances between components with different voltage levels.
IEC 61000 concerns the minimum requirements for electromagnetic compatibility (EMC).
EMC electromagnetic compatibility
EN 50075 concerns the so-called European connectors.
An essential element of a switched-mode power supply is the primary line filter whose components greatly influence the manufacturing costs of the entire plug-in power supply.
FIG. 6 shows a circuit diagram of a known primary network filter of this type.
this filter fulfills two functions: On the one hand, in the capacitors C1 and C2, the 100 Hz half-waves are sifted out of the rectified mains voltage. On the other hand, it also acts as a low-pass filter for the high-frequency interference spectra occurring when switching the converter transformer in the direction of the mains socket and thus acts as a line filter.
the most cost-effective solution here is a so-called PI filter, which is formed from two capacitors C1 and C2 and an intermediate mushroom core choke L, proven.
the use of two approximately equal-sized electrolytic capacitors is required to build the circuit as cost-effectively as possible. For example, for devices with an output power of 1 to 10 watts values from twice 1 ⁇ F to twice 10 ⁇ F proven.
the same effect can also be achieved by doubling the capacitance of C2 to, for example, 2.2 ⁇ F to 22 ⁇ F and choosing a ceramic capacitor, for example with a capacitance of 100 nF, for C1
such a circuit has considerable additional costs As a result, and therefore more expensive manufacturing unnecessarily.
the object underlying the present invention is to overcome the above-mentioned deficiencies of the known solution and to accommodate a low-cost, compact plug-in power supply substantially in the contour of a power plug.
circuit carriers are understood to be any type of substrate on which electronic circuits can be constructed and electrically connected to one another, such as, for example, printed circuit boards, ceramic circuit carriers, flexible circuit carriers and the like.
circuit carriers are understood to be any type of substrate on which electronic circuits can be constructed and electrically connected to one another, such as, for example, printed circuit boards, ceramic circuit carriers, flexible circuit carriers and the like.
At least one of the circuit carriers is accommodated in an electrically insulating tray, so that it is electrically insulated from the other circuit carrier.
a tub which may be a separate separate from the housing part, preferably made of plastic, is that the required potential separation and compliance with the required air and creepage distances can be carried out in a particularly simple and secure manner.
a particularly compact design in particular in connection with the realization of the plug-in power supply as a European plug, can be achieved if the plug-in power supply has two plug pins for connecting the plug-in power supply to the supply voltage and the primary-side circuit carrier is accommodated in the housing so that it is substantially along the Plug-in direction of the connector pin extends, and the secondary side circuit substrate is arranged so that it extends transversely to the direction of insertion.
the connection of the two circuit boards with each other can then via the output terminals of the converter, so for example, the ends of the secondary winding of a transformer transformer or additional extensions, for. B. connecting wires done.
the housing has a quiver-shaped bottom part which accommodates the circuit carriers, and a cover part which is separate therefrom for closing the housing. This separation of the housing in a plane transverse to the direction of insertion into the power outlet, the ESD resistance can be significantly improved.
a circumferential collar which is accommodated in the bottom part, continues to be formed on the cover part, a corresponding path extension is formed which significantly reduces the penetration of electrostatic discharges to the components of the switched-mode power supply. Furthermore, in this design, the possibly critical interface is located in a place that does not necessarily have to be touched.
the welding of the quiver-shaped bottom part with the cover part is preferably carried out by means of ultrasound and is a particularly stable and cost-effective way of connecting between two prefabricated plastic parts.
the plug pins are injected in the housing. This makes it possible to comply with the tests required for Euro plug pins (for example, the pull-out and turn-out test in accordance with EN 50075 or DIN VDI 0620).
a first and a second filter capacitor of the primary-side circuit are arranged on the primary-side circuit carrier such that the converter is located between the two capacitors, the available installation space can be used optimally and costs can be saved by using comparatively large capacitor components ,
a primary line filter By interconnecting these two filter capacitors with an inductance to a PI filter, a primary line filter can be formed, which efficiently prevents backscattering of interference frequencies in the network.
both the mechanical and the electrical connection of the two circuit carriers can be realized with one another in a simple manner.
the converter is a transformer having a primary-side and a secondary-side winding.
the secondary winding can be manufactured from triple insulated wire.
a piezoelectric transducer can be used.
At least one output terminal for connecting the plug-in power supply unit to a consumer which is arranged outside the center axis of the plug-in power supply unit and can be formed, for example, by a secondary-side cable, can be found at the plug-in power supply unit, the endeavor of a user to disconnect the device from the line To be pulled out of the socket.
the output line can of course also be provided a plug connection.
the advantageous properties of the solution according to the invention come into play particularly when the plug-in power supply is essentially accommodated in the contour of a European plug.
the principles of the invention can also be applied in the case of all other plug forms, for example the US plug standard. It may also be necessary in accordance with the geometric dimensions to accommodate the respective larger circuit board transversely to the direction of insertion into the mains socket.
any other numbers of pins can be provided and the invention is not limited to the two pins shown as a special case in the case of the European connector.
FIG. 1 shows a side view of the plug-in power supply 100 according to the invention according to an advantageous embodiment.
the plug-in power supply is integrated in the contour of a European plug and has plug pins 102, which correspond to the standards for European plug.
plug pins 102 which correspond to the standards for European plug.
the principles shown below can also be applied to plug systems according to other standards, for example the US standard or the Japanese standard.
the plug pins 102 are used for electrical connection to a corresponding mains socket (not shown in the figures). Alternatively, but also connectors z. B. be provided for contacting a cigarette lighter.
a housing 104 is formed by a quiver-shaped bottom part 106, in which the electronic components are accommodated, and a cover part 108 arranged on the secondary side.
the connection between the quiver-shaped bottom part 106 and the cover part 108 is preferably carried out via an ultrasonic welding process.
a raised or deepened recessed grip 110 allows the removal of the AC adapter 100 from the power outlet, without claiming the Glasentlastungstülle 112 or the cover member 108.
a supply cable 114 leads to a consumer 116 to be supplied.
the consumer 116 may be a mobile telephone, a playback device, such as a CD player, a so-called PDA (the abbreviation PDA stands for Personal Digital Assistant ). or the like.
FIG. 1 A sectional view of the plug-in power supply unit from FIG. 1 is shown in FIG. It can be seen that the primary-side and the secondary-side components are accommodated on respectively primary side and secondary side circuit carriers 118, 120 which are separate from one another. According to the invention, the plane of the secondary-side printed circuit board 120 extends transversely to the plane of the primary-side printed circuit board 118. In order to achieve the required electrical insulation, the secondary-side circuit substrate 120 is at least partially accommodated in an insulating trough 122.
the housing 104 is formed by a quiver-shaped bottom part 106 and a cover part 108 arranged on the secondary side.
the plug pins 102 in the quiver-shaped bottom portion 106, which is preferably made of plastic by injection molding, the plug pins 102, as is basically known, injected.
the plug pins can be plugged in one direction 124 into a mains socket.
the primary-side circuit carrier 118 is arranged substantially parallel to the plug-in direction 124 in the quiver-shaped bottom part 106.
the plug pins are connected to the primary side circuit substrate 118 via connectors 126.
the primary side is not subject to any restrictions on the placement of the components.
the converter 128 and all other circuit parts can be arranged flexibly to a large extent and thus customized variants can be realized without changing tools. A modified division of the volumes for primary and secondary area is also possible in a simple manner.
the line filter according to FIG. 6 is realized with two primary electrolytic capacitors C1 and C2 in order to be able to construct the circuit with minimum cost.
the two capacitors C1 and C2 are arranged so that the converter transformer 128 lies between them.
the separation of the housing in the upper area advantageously relieves the stress of the ultrasonic welding connection from mechanical stress.
the cover part 108 has a circumferential collar 130 which offers a travel extension for possibly occurring ESD voltage peaks and thus prevents the components inside the switched-mode power supply 100 from being damaged.
the strain relief grommet 112 has been positioned eccentrically and tangentially in the illustrated embodiment to prevent a user from unplugging the power adapter 100 from the power outlet 114 (not shown).
the quiver-shaped bottom part 106 widens circumferentially slightly conically in the direction of the cover part 108 in order to ensure better handling.
this slightly conical shape in conjunction with the convex outwardly shaped recessed grip 110 shown in Figure 1 the device can be safely removed from sockets with large clamping forces without having to reach deep into the socket.
the recessed grip 110 can also be recessed concavely inwards.
FIG. 1 A sectional view in which only the housing 104 and the spout 112 are cut is shown in FIG. It can be seen from this drawing that the insulating well 122 encloses the secondary side circuit substrate substantially from five sides, namely the bottom surface and the side surfaces, and is opened only at the strain relief spout 112 and toward the lid 108.
the connection to the transducer 128 via two soldered leads 132 which are connected to the secondary side outputs of the converter.
the supply lines 132 are led into the insulating trough 122 via slots 134.
suitable connectors can be provided.
an arrangement is possible in which the secondary circuit board is mounted in the tub is that the components point down into the tub and the circuit board acts as a kind of cover for the tub.
FIG. 5 runs through the plug-in power supply 100.
the primary-side circuit carrier 118 is held in two grooves 136, which are attached to the quiver-shaped bottom part 106, by the pressure of the capacitors C1, C2 against the opposite housing wall.
the quiver-shaped bottom portion 106 and the lid portion 108 and the insulating pan 122 are manufactured as separate parts.
the plug pins 102 are suitably miteingespritzt in the quiver-shaped bottom portion 106.
the primary-side circuit carrier 118 is equipped with the primary-side components, including the transducer 128 and the two primary-side capacitors C1 and C2 and a suitable connector 126, and the necessary electrical connections are made for example by a soldering process.
the secondary side circuit substrate 120 is independently equipped with the components required for the secondary side and also the required electrical connection z. B. produced by soldering.
the populated primary-side circuit carrier 118 is first introduced along the direction 124 into the quiver-shaped bottom part 106.
the circuit carrier 118 is guided and held in the grooves 136 on the one hand and by the voltage applied to the capacitors C1 and C2 housing walls on the other hand.
the primary-side circuit carrier 118 is inserted until it comes into contact with the stop edges 138 and at the same time the plug pins 102 with the terminals or primary contact springs 126 are fixed or flexible by spring force. At this time, the leads 132 may be connected to the secondary side outputs of the converter 128. Alternatively, however, they may also be provided already during assembly of the components on the primary-side circuit carrier 118.
the secondary-side circuit carrier 120 is inserted into the insulating trough 122 and then the trough is inserted into the cup-shaped bottom part 106 until the trough lies flush on the primary-side printed circuit board 118.
the leads 132 may now be inserted through the slots 134 into the insulating well 122.
the secondary-side connecting line 114 (not shown in the sectional views) can be passed through the strain relief spout 102 and connected to the secondary-side circuit.
the secondary-side connection line 114 can also be connected to it during assembly of the components of the secondary-side circuit carrier.
the strain relief spout 112 is then mounted to the quiver-shaped bottom portion 106. The entire housing is closed by means of the lid 108, which is pressed in the direction 124.
the lid part 108 and the cup-shaped bottom part 106 are firmly connected to each other.
other connection methods such as gluing, screws, rivets, etc.
a plug-in power supply integrated in a European plug allows a flexible arrangement of the circuit elements, in particular the primary-side components, a more efficient and safe separation of the primary side and the secondary side, a more robust connection technology of the housing parts and improved ESD resistance.
the ergonomically designed housing increases user comfort and safety.
inventive principles are also applicable to plug-in power supplies that satisfy other plug standards, such as Japanese or US American.
the number and design of the plug pins can be adapted to the respective standard to be met.

Landscapes

Engineering & Computer Science (AREA)
Microelectronics & Electronic Packaging (AREA)
Details Of Connecting Devices For Male And Female Coupling (AREA)
Dc-Dc Converters (AREA)
Charge And Discharge Circuits For Batteries Or The Like (AREA)
Valve Device For Special Equipments (AREA)
Fluid-Damping Devices (AREA)
Apparatus For Radiation Diagnosis (AREA)
Connector Housings Or Holding Contact Members (AREA)

EP04027180A 2004-11-16 2004-11-16 Bloc d'alimentation enfichable Expired - Lifetime EP1657791B1 (fr)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
DE502004007739T DE502004007739D1 (de)	2004-11-16	2004-11-16	Steckernetzteil
ES04027180T ES2309437T3 (es)	2004-11-16	2004-11-16	Fuente de alimentacion de conector.
EP04027180A EP1657791B1 (fr)	2004-11-16	2004-11-16	Bloc d'alimentation enfichable
AT04027180T ATE403247T1 (de)	2004-11-16	2004-11-16	Steckernetzteil
CNB2005101253639A CN100530847C (zh)	2004-11-16	2005-11-16	插头电源

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP04027180A EP1657791B1 (fr)	2004-11-16	2004-11-16	Bloc d'alimentation enfichable

Publications (2)

Publication Number	Publication Date
EP1657791A1 true EP1657791A1 (fr)	2006-05-17
EP1657791B1 EP1657791B1 (fr)	2008-07-30

Family

ID=34927407

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP04027180A Expired - Lifetime EP1657791B1 (fr)	2004-11-16	2004-11-16	Bloc d'alimentation enfichable

Country Status (5)

Country	Link
EP (1)	EP1657791B1 (fr)
CN (1)	CN100530847C (fr)
AT (1)	ATE403247T1 (fr)
DE (1)	DE502004007739D1 (fr)
ES (1)	ES2309437T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1876695A1 (fr) *	2006-07-07	2008-01-09	Tinyplug Technology (Shenzhen) Limited	Unité d'alimentation électrique de type connecteur
WO2009092458A1 (fr)	2008-01-24	2009-07-30	Sony Ericsson Mobile Communications Ab	Dispositif d'alimentation électrique et connecteur
DE102008031788A1 (de) *	2008-07-04	2010-01-07	Osram Gesellschaft mit beschränkter Haftung	Betriebsgerät für eine Beleuchtungseinrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1994006177A1 (fr) *	1992-09-04	1994-03-17	Egston Eggenburger System Elektronik Gesellschaft M.B.H.	Bloc d'alimentation secteur pour un consommateur electrique de faible puissance
US20020154528A1 (en) *	2001-04-18	2002-10-24	Avraham Ravid	AC to DC adapter with AC receptacle
EP1313111A1 (fr) *	2001-11-19	2003-05-21	FRIWO Far East Limited	Transformateur
US20030153200A1 (en) *	2002-02-08	2003-08-14	Vista Fidel P.	Plug assembly with spring loaded contact terminals
WO2003094305A1 (fr) *	2002-05-01	2003-11-13	Microlead Technoloy Ltd.	Bloc d'alimentation

2004
- 2004-11-16 AT AT04027180T patent/ATE403247T1/de not_active IP Right Cessation
- 2004-11-16 DE DE502004007739T patent/DE502004007739D1/de not_active Expired - Lifetime
- 2004-11-16 EP EP04027180A patent/EP1657791B1/fr not_active Expired - Lifetime
- 2004-11-16 ES ES04027180T patent/ES2309437T3/es not_active Expired - Lifetime
2005
- 2005-11-16 CN CNB2005101253639A patent/CN100530847C/zh not_active Expired - Fee Related

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1994006177A1 (fr) *	1992-09-04	1994-03-17	Egston Eggenburger System Elektronik Gesellschaft M.B.H.	Bloc d'alimentation secteur pour un consommateur electrique de faible puissance
US20020154528A1 (en) *	2001-04-18	2002-10-24	Avraham Ravid	AC to DC adapter with AC receptacle
EP1313111A1 (fr) *	2001-11-19	2003-05-21	FRIWO Far East Limited	Transformateur
US20030153200A1 (en) *	2002-02-08	2003-08-14	Vista Fidel P.	Plug assembly with spring loaded contact terminals
WO2003094305A1 (fr) *	2002-05-01	2003-11-13	Microlead Technoloy Ltd.	Bloc d'alimentation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1876695A1 (fr) *	2006-07-07	2008-01-09	Tinyplug Technology (Shenzhen) Limited	Unité d'alimentation électrique de type connecteur
WO2009092458A1 (fr)	2008-01-24	2009-07-30	Sony Ericsson Mobile Communications Ab	Dispositif d'alimentation électrique et connecteur
CN101926064B (zh) *	2008-01-24	2013-07-17	索尼爱立信移动通讯有限公司	电源设备和连接器
DE102008031788A1 (de) *	2008-07-04	2010-01-07	Osram Gesellschaft mit beschränkter Haftung	Betriebsgerät für eine Beleuchtungseinrichtung

Also Published As

Publication number	Publication date
CN1780064A (zh)	2006-05-31
ES2309437T3 (es)	2008-12-16
ATE403247T1 (de)	2008-08-15
DE502004007739D1 (de)	2008-09-11
CN100530847C (zh)	2009-08-19
EP1657791B1 (fr)	2008-07-30

Publication	Publication Date	Title
EP2434582B1 (fr)	2015-12-16	Borne de connexion
DE69809416T2 (de)	2003-05-08	Modularstecker mit eingebautem elektronischen komponent
DE4314908A1 (de)	1993-11-11	Abgeschirmter modularer Adapter
EP1920504B1 (fr)	2018-06-27	Bloc d'alimentation enfichable pourvu d'un ensemble fiche de contact remplaçable
EP1636881A1 (fr)	2006-03-22	Ensemble raccord enfichable pour terminal mobile
EP1776709A1 (fr)	2007-04-25	Composant inductif pour courants eleves et procede de production de ce composant
EP2015407A2 (fr)	2009-01-14	Dispositif de raccordement d'appareils doté d'un module de filtre intégré
EP1182745B1 (fr)	2005-03-09	Connexion enfichable multipolaire pour lignes de signaux électroniques
EP2741374B1 (fr)	2018-01-03	Prise électrique encastrée dotée d'un boîtier de prise
EP0173991B2 (fr)	1992-05-06	Fiche d'appareil avec un filtre électrique d'antiparasitage
EP1657791B1 (fr)	2008-07-30	Bloc d'alimentation enfichable
DE60131324T2 (de)	2008-09-11	Gefilterter elektrischer Verbinder mit Ferritkernspule
EP1139493A2 (fr)	2001-10-04	Connecteur électrique pour le raccordement de câbles à un appareil
DE29718003U1 (de)	1997-12-18	Elektrische Verbindungseinrichtung
DE9320893U1 (de)	1995-05-18	Netzstecker mit in diesem eingebauten Netzgerät
DE10102713A1 (de)	2002-08-14	Steckernetzteil mit miniaturisierter Primärkontaktierung
WO2016198192A1 (fr)	2016-12-15	Douille enfichable protégée contre le contact, fiche mâle et système de connexion enfichable
DE19853927B4 (de)	2005-12-01	Anschlußdose für abgeschirmte Kabel
WO2016155969A2 (fr)	2016-10-06	Composant inductif et procédé de réalisation d'un composant inductif
EP0647988B1 (fr)	1996-12-11	Connecteur à broche
EP1737083A2 (fr)	2006-12-27	Elément de connexion électrique
EP1859514B9 (fr)	2014-09-10	Douille enfichable a convertisseur de tension
EP2034568B1 (fr)	2013-08-14	Boîte de raccordement pour technologie des données
EP0174578B1 (fr)	1987-12-02	Fiche d'appareil avec filtre électrique d'antiparasitage connecté à celle-ci
DE3302192C2 (fr)	1990-12-13

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