GB2288653A - Manual windscreen wiper control arrangement with two switches - Google Patents
Manual windscreen wiper control arrangement with two switches Download PDFInfo
- Publication number
- GB2288653A GB2288653A GB9407178A GB9407178A GB2288653A GB 2288653 A GB2288653 A GB 2288653A GB 9407178 A GB9407178 A GB 9407178A GB 9407178 A GB9407178 A GB 9407178A GB 2288653 A GB2288653 A GB 2288653A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- intermittent
- actuator
- windscreen wiper
- wiper control
- 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- Withdrawn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
- 238000004806 packaging method and process Methods 0.000 abstract description 3
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1446—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means controlled by mechanically actuated switches
- B60Q1/1453—Hand actuated switches
- B60Q1/1461—Multifunction switches for dimming headlights and controlling additional devices, e.g. for controlling direction indicating lights
- B60Q1/1469—Multifunction switches for dimming headlights and controlling additional devices, e.g. for controlling direction indicating lights controlled by or attached to a single lever, e.g. steering column stalk switches
- B60Q1/1476—Multifunction switches for dimming headlights and controlling additional devices, e.g. for controlling direction indicating lights controlled by or attached to a single lever, e.g. steering column stalk switches comprising switch controlling means located near the free end of the lever, e.g. press buttons, rotatable rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
A windscreen wiper control has two separate switches 18, 20. One switch controls the continuous wiper operation and the other switch 20 controls intermittent wiper operation. The switches are wired so that in the OFF position of the main switch 18, current is fed to the intermittent switch 20, and the intermittent switch 20 has its own OFF setting which replaces one set of contacts on the switch 18. The control arrangement has benefits for steering column packaging. <IMAGE>
Description
WINDSCREEN WIPER CONTROL
This invention relates to a windscreen wiper control for use on a motor vehicle.
In many vehicles, the windscreen wiper control can give the driver a choice of fast, continuous wiper operation, normal, continuous wiper operation and variable intermittent wiper operation. A separate control, available to the driver, can be actuated to vary the delay between the strokes of the wipers when the intermittent setting has been chosen.
A four-position switch is required for this system, mounted on the steering column. The variable delay switch can be mounted elsewhere on the instrument panel.
According to the invention, there is provided a windscreen wiper control having an ON/OFF switch and an intermittent wipe speed switch, which latter switch has an actuator which can travel between a range of different positions to vary the delay between wiper strokes, wherein the intermittent wipe speed switch incorporates a WIPERS OFF setting at one position of the actuator travel.
By introducing an OFF position on the intermittent wipe speed switch, it becomes possible to delete one position from the ON/OFF switch (which will normally be mounted on the steering column). This can have considerable benefits for steering column packaging. The OFF position of the main ON/OFF switch is also an INTERMITTENT ON setting and in this position, wiper operation can be started in the intermittent mode by moving the intermittent wipe speed switch actuator from its WIPERS OFF position.
The ON/OFF switch preferably has two ON positions, corresponding to different wiper speeds, in addition to the OFF position (which is also an INTERMITTENT ON position).
The WIPERS OFF setting of the intermittent wipe speed switch is preferably located at one end of the actuator travel.
In the WIPERS OFF position the intermittent wipe speed switch actuator may operate a switch which interrupts an electrical circuit. Alternatively the actuator may travel to a position where an infinitely high resistance is placed in the intermittent wipe speed circuit.
The invention will now be further described, by way of example, with reference to the accompanying drawings, in which:
Figures 1 and 2 are alternative circuits for
windscreen wiper controls in accordance with the
invention.
The circuit shown in Figure 1 includes a wiper motor 10 powered from a vehicle battery 12 and in circuit with the vehicle's ignition switch 14 which is protected by a fuse 16. Operation of the windscreen wipers is controlled by two switches. An ON/OFF switch is indicated at 18-and an intermittent wipe speed switch is indicated at 20.
The ON/OFF switch 18 has three positions. A first position 22 is an OFF position (and is also ON for the intermittent wipe circuit). A second position 24 is a normal, continuous wipe speed setting and the third position 26 corresponds to a fast, continuous wipe speed setting.
The switch 18 will be operable by the driver and is likely to be mounted directly on the steering column so that it can be operated by a stalk extending from the column.
The intermittent wipe speed switch 20 controls the rate at which the wipers move when set to INTERMITTENT. A switch actuator 28 moves across a resistance track 30 and the actuator 28 has a travel indicated by a double headed arrow 32. Movement of the actuator 28 along the resistance track 30 varies the period between operations of a wiper delay relay 34 and therefore varies the delay between wiper strokes.
It will be seen from Figure 1 that the travel 32 of the actuator 28 is longer than the track 30, and when the actuator is moved off the end of the track 30, an infinitely high resistance is placed in the circuit feeding the wiper delay relay 34, to produce an effective
OFF position.
In Figure 2, the intermittent wipe speed switch, this time referenced 120, is different from that in Figure 1. In this case the travel 132 of the switch actuator 128 is equal to the length of the track 130. However, in series with the resistance track 130 is an ON/OFF switch 136 which will be opened by the actuator 128, when it reaches the end of its travel 132.
In both Figures 1 and 2, the switch actuator 28, 128 can pass over a detent of some sort to give "feel" to the location of the OFF position of the switch. Operation of the control is as follows:
When wiper operation is not required, both switches 18 and 20 are set to the OFF position.
When the wipers are required, the driver decides whether he wants intermittent or continuous operation. If he wants intermittent operation, he only has to operate the switch 20 to move it from its OFF position, and he then moves the actuator along the track until he reaches the intermittent speed which he requires.
If he subsequently requires continuous speed, he will move the switch 18 to either the normal setting 24 or the fast setting 26, as desired. This will take the switch 20 out of circuit, so the position of the actuator 28, 128 at the time of operation of the switch 18 is immaterial.
To stop wiper operation, the switch 18 will be returned to its OFF position 22 and if the actuator 28, 128 is not in its OFF position, it must also be moved to its OFF position.
If continuous wiper operation is required initially, then only the switch 18 need be operated.
If the wipers are switched on initially to an intermittent setting, and are switched off again from that intermittent setting, only the switch 20, 120 needs to be operated and the switch 18 will not be touched.
The attainment of a full suite of wiper operations using a switch 18 with only three positions gives a definite advantage in steering column area packaging.
Claims (6)
1. A windscreen wiper control having an ON/OFF switch and an intermittent wipe speed switch, which latter switch has an actuator which can travel between a range of different positions to vary the delay between wiper strokes, wherein the intermittent wipe speed switch incorporates a WIPERS OFF setting at one position of the actuator travel.
2. A windscreen wiper control as claimed in Claim 1, wherein the ON/OFF switch has two ON positions, corresponding to different wiper speeds, in addition to the OFF position (which is also an INTERMITTENT ON position).
3. A windscreen wiper control as claimed in Claim 1 or
Claim 2, wherein the WIPERS OFF setting of the intermittent wipe speed switch is located at one end of the actuator travel.
4. A windscreen wiper control as claimed in any preceding claim, wherein in the WIPERS OFF position the intermittent wipe speed switch actuator operates a switch which interrupts an electrical circuit.
5. A windscreen wiper control as claimed in any one of
Claims 1 to 3, wherein the actuator travels to a WIPERS
OFF position where an infinitely high resistance is placed in the intermittent wipe speed circuit.
6. A windscreen wiper control substantially as herein described with reference to the accompanying drawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9407178A GB2288653A (en) | 1994-04-12 | 1994-04-12 | Manual windscreen wiper control arrangement with two switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9407178A GB2288653A (en) | 1994-04-12 | 1994-04-12 | Manual windscreen wiper control arrangement with two switches |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9407178D0 GB9407178D0 (en) | 1994-06-08 |
| GB2288653A true GB2288653A (en) | 1995-10-25 |
Family
ID=10753376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9407178A Withdrawn GB2288653A (en) | 1994-04-12 | 1994-04-12 | Manual windscreen wiper control arrangement with two switches |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2288653A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011042670A1 (en) * | 2009-10-09 | 2011-04-14 | Renault S.A.S. | Device for controlling a gear motor of a system for wiping a window of an automobile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4136724A1 (en) * | 1991-11-08 | 1993-05-13 | Opel Adam Ag | Vehicle windscreen wiper wiping interval control circuit - uses selection lever switch and electronic control stage for providing variable pause time between wiping movements |
-
1994
- 1994-04-12 GB GB9407178A patent/GB2288653A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4136724A1 (en) * | 1991-11-08 | 1993-05-13 | Opel Adam Ag | Vehicle windscreen wiper wiping interval control circuit - uses selection lever switch and electronic control stage for providing variable pause time between wiping movements |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011042670A1 (en) * | 2009-10-09 | 2011-04-14 | Renault S.A.S. | Device for controlling a gear motor of a system for wiping a window of an automobile |
| FR2951122A1 (en) * | 2009-10-09 | 2011-04-15 | Renault Sa | DEVICE FOR CONTROLLING A MOTOREDUCER OF A WINDOW SYSTEM OF A GLASS OF A MOTOR VEHICLE |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9407178D0 (en) | 1994-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |