EP0798438A1 - Circuit de commande pour organe de manoeuvre, en particulier pour une serrure de sécurité d'une porte de voiture - Google Patents
Circuit de commande pour organe de manoeuvre, en particulier pour une serrure de sécurité d'une porte de voiture Download PDFInfo
- Publication number
- EP0798438A1 EP0798438A1 EP97105055A EP97105055A EP0798438A1 EP 0798438 A1 EP0798438 A1 EP 0798438A1 EP 97105055 A EP97105055 A EP 97105055A EP 97105055 A EP97105055 A EP 97105055A EP 0798438 A1 EP0798438 A1 EP 0798438A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor
- driver
- safety lock
- actuating member
- way switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/46—Locking several wings simultaneously
- E05B77/48—Locking several wings simultaneously by electrical means
Definitions
- the present invention relates to a driver for an actuating member, particularly for the safety lock of a vehicle door.
- Electric drivers for on-vehicle actuating members which comprise electric motors connected to the vehicle battery and for moving the actuating members between two or more predetermined positions.
- Safety lock mechanisms normally comprise a safety lock and a manually operated actuating member (knob); and the safety lock may assume a lock or release position corresponding respectively to a first and second predetermined position of the manually operated actuating member.
- the electric motor is grounded to prevent undesired operation or no-load consumption of the motor.
- manual operation of the knob moves the motor, and generates, within the motor, an induced counter-electromotive force which tends to brake its movement.
- the manual force applied to move the knob must therefore overcome the resistance generated within the motor, which is not always appreciated by the user.
- a driver for a safety lock of a vehicle door comprising a first and a second supply input; and a control electric motor for said actuating member, connected between said first and said second supply input; characterized by switching means connected between said motor and said first supply input, and defining an open circuit in the absence of an operating command of said driver, and a closed circuit in the presence of said operating command.
- Numbers 1, 2 and 3 in Figure 1 indicate drivers fittable respectively to the front and rear side doors and the rear door of a vehicle (not shown).
- Drivers 1-3 are connected to one another in parallel and to a supply and control unit 4, and control (in known manner not shown) respective door safety locks (not shown).
- Each of drivers 1-3 has two inputs 5, 6 connected to two (supply voltage and ground) outputs 8, 9 of unit 4, and comprises an electric motor 11 between inputs 5 and 6.
- Each driver 1 also has two outputs 13, 14 connected respectively to two inputs 15, 16 of unit 4, and comprises a microswitch (not shown) having a contact 17 movable between a first and a second position respectively grounding output 13 and output 14, and corresponding to the two, open and closed, positions of the respective safety lock.
- a microswitch not shown
- unit 4 comprises internal switching means by which outputs 8, 9 are grounded or connected to supply voltage V cc . More specifically, in the absence of an operating command, outputs 8, 9 are both grounded to short motors 11.
- Power operation of the safety locks of the doors is centralized, and involves feeding an external command enabling supply of motors 11 to supply and control unit 4. More specifically, depending on whether the safety lock is to be closed or opened, unit 4 supplies input 5 with supply voltage and grounds input 6, or vice versa, so that motors 11 operate in one direction or the other.
- microswitch contacts 17 permits unit 4 to know the operating position (open or closed) of the front door safety locks at all times, by detecting the presence of ground on input 15 or input 16.
- the safety lock may also be operated manually by pressing or releasing the knob to close or open the lock on each door separately.
- manual operation involves a certain amount of effort to overcome the counter-electromotive force of the relative motor 11.
- drivers 2 of the rear side doors are replaced by drivers 19, each of which, like devices 2, has two inputs 5 and 6 with motor 11 in between.
- a switching element 22 comprising a known two-way solid-state switch 23 (in this case, a TRIAC).
- triac 23 has a first terminal 24 connected to input 5, a second terminal 25 connected to motor 11, and a control terminal 26 connected to motor 11 via a resistor 27.
- unit 4 supplies voltage V cc to one of inputs 5,6 and grounds the other input 6, 5, so that a voltage sufficient to trigger triac 23 is supplied between terminals 24 and 26 via resistor 27, and triac 23 therefore closes to connect motor 11 between the supply and ground and so turn on the motor.
- terminals 5, 6 are again grounded to open triac 23.
- motor 11 finds an open circuit at its terminals, and rotation of the motor when the knob is operated results in no induced counter-electromotive and hence no braking force.
- the driver according to the invention therefore provides for manually operating the safety lock knob with very little effort, and also affords the further advantage of being integrated in the safety lock itself, thus leaving the vehicle wiring unchanged.
Landscapes
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO960243 | 1996-03-29 | ||
IT96TO000243A IT1286284B1 (it) | 1996-03-29 | 1996-03-29 | Dispositivo di azionamento di un organo di attuazione, in particolare per la chiusura di sicurezza della porta di un veicolo |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0798438A1 true EP0798438A1 (fr) | 1997-10-01 |
Family
ID=11414495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97105055A Withdrawn EP0798438A1 (fr) | 1996-03-29 | 1997-03-25 | Circuit de commande pour organe de manoeuvre, en particulier pour une serrure de sécurité d'une porte de voiture |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0798438A1 (fr) |
BR (1) | BR9700469A (fr) |
IT (1) | IT1286284B1 (fr) |
PL (1) | PL183535B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3043504A1 (fr) * | 2015-11-06 | 2017-05-12 | Peugeot Citroen Automobiles Sa | Methodes et dispositifs de commande d’ouvrants motorises |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3731156A (en) * | 1971-05-21 | 1973-05-01 | D Watson | Electrical combination lock and vehicle theft prevention system |
US3997827A (en) * | 1975-04-03 | 1976-12-14 | Honeywell Inc. | Shaded pole electric motor and brake |
GB2041599A (en) * | 1979-01-11 | 1980-09-10 | Hewit J | Digitally coded device for theft protection |
GB2114645A (en) * | 1982-02-13 | 1983-08-24 | Fichtel & Sachs Ag | Central locking installation for motor vehicles |
US4523250A (en) * | 1979-12-07 | 1985-06-11 | Daniel P. Bacchiere | Magnetic chuck control system |
US5111902A (en) * | 1991-05-13 | 1992-05-12 | General Motors Corporation | Automatic power door lock system |
-
1996
- 1996-03-29 IT IT96TO000243A patent/IT1286284B1/it active IP Right Grant
-
1997
- 1997-03-25 EP EP97105055A patent/EP0798438A1/fr not_active Withdrawn
- 1997-03-26 BR BR9700469A patent/BR9700469A/pt unknown
- 1997-03-28 PL PL97319215A patent/PL183535B1/pl not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3731156A (en) * | 1971-05-21 | 1973-05-01 | D Watson | Electrical combination lock and vehicle theft prevention system |
US3997827A (en) * | 1975-04-03 | 1976-12-14 | Honeywell Inc. | Shaded pole electric motor and brake |
GB2041599A (en) * | 1979-01-11 | 1980-09-10 | Hewit J | Digitally coded device for theft protection |
US4523250A (en) * | 1979-12-07 | 1985-06-11 | Daniel P. Bacchiere | Magnetic chuck control system |
GB2114645A (en) * | 1982-02-13 | 1983-08-24 | Fichtel & Sachs Ag | Central locking installation for motor vehicles |
US5111902A (en) * | 1991-05-13 | 1992-05-12 | General Motors Corporation | Automatic power door lock system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3043504A1 (fr) * | 2015-11-06 | 2017-05-12 | Peugeot Citroen Automobiles Sa | Methodes et dispositifs de commande d’ouvrants motorises |
Also Published As
Publication number | Publication date |
---|---|
BR9700469A (pt) | 1998-11-03 |
PL183535B1 (pl) | 2002-06-28 |
ITTO960243A0 (fr) | 1996-03-29 |
PL319215A1 (en) | 1997-10-13 |
IT1286284B1 (it) | 1998-07-08 |
ITTO960243A1 (it) | 1997-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES FR GB IT |
|
17P | Request for examination filed |
Effective date: 19971222 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ATOMA ROLTRA S.P.A. |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19991001 |