CN201665201U - Windscreen wiper control system - Google Patents
Windscreen wiper control system Download PDFInfo
- Publication number
- CN201665201U CN201665201U CN2010201068761U CN201020106876U CN201665201U CN 201665201 U CN201665201 U CN 201665201U CN 2010201068761 U CN2010201068761 U CN 2010201068761U CN 201020106876 U CN201020106876 U CN 201020106876U CN 201665201 U CN201665201 U CN 201665201U
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- CN
- China
- Prior art keywords
- windscreen wiper
- wiper control
- control circuit
- combined switch
- rain
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a windscreen wiper control system, which consists of three parts of a combination switch, a windscreen wiper motor and a windscreen wiper control circuit which are connected with each other, relates to the combination switch, the windscreen wiper motor and the windscreen wiper control circuit, and belongs to the field of automotive electronics. The utility model has the advantages that the windscreen wiper control system can use the simply designed combination switch, prolongs the service life of the combination switch, can use a simply designed motor to substitute a existing complicated windscreen wiper motor, and the windscreen wiper control circuit can be dispensed with a relay.
Description
Technical field
The utility model is a kind of rain blowing controlled system, and relating to the field is vehicle electric field.
Background technology
Windscreen wiper is an important accessory on the automobile, is positioned on the front windshield, therefore, when windscreen wiper stops, must being positioned at the bottom of front windshield, in order to avoid block driver vision.In order to realize this function, present rain shaving electrical machine structurally all adopts special design, and in the design of wiper control circuit, has adopted the mode of relay and control circuit.In existing rain blowing controlled system, directly to the rain shaving electrical machine power supply,, all can there be big electric current to pass through by combined switch, easy sheetmetal oxidation, the service life of reducing combined switch to combined switch in the moment of combined switch break-make.Rain shaving electrical machine adopts special structural design, has increased the cost of rain shaving electrical machine.In the control of windscreen wiper playback, the logic complexity, and use in addition aux. controls of extra relay, increased system cost.
Summary of the invention
The purpose of this utility model is to overcome that combined switch design in the current rain blowing controlled system is complicated, electric machine design is complicated, the extra shortcoming of using relay in the control circuit, and a kind of logical design that can simplify combined switch is provided, prolong combined switch service life, simplify rain shaving electrical machine design, save a kind of rain blowing controlled system of a relay.
The utility model is achieved in that
A kind of rain blowing controlled system, this wiper control circuit comprises three parts, is respectively combined switch, rain shaving electrical machine, wiper control circuit.Can use the combined switch of simplification to finish input function.Can use improved common electric machine to replace comparatively complicated at present rain shaving electrical machine.With respect to present wiper control circuit, can save a relay.
The utility model is compared with existing technology, simplified the logical design of combined switch, in addition, the effect of combined switch changes to the input that offers wiper control circuit, does not participate in the control of rain shaving electrical machine directly, therefore, in the break-make moment of combined switch, have only the very little electric current to pass through, reduced the risk of the bad contact that the combined switch oxidation caused, thereby reduced the requirement of combined switch material, and prolonged the service life of combined switch.In the utility model, can add on the basis of common electric machine that a reset signal replaces the rain shaving electrical machine of existing complexity, greatly reduce the cost of system.Aspect circuit control, save a relay, reduced system cost.In sum, this uses later-model system architecture simplicity of design, and cost is lower, and the stronger market competitiveness is arranged.
Description of drawings
Accompanying drawing 1 is an electrical schematic diagram of the present utility model.
Accompanying drawing 2 is the electrical schematic diagram of at present popular rain blowing controlled system.
The specific embodiment
The utility model is connected and composed by the circuit between rain shaving electrical machine, combined switch, wiper control circuit and three parts thereof, and its electrical schematic diagram as shown in Figure 1.Windscreen wiper can influence driver vision in the process of scraping, Given this, windscreen wiper must rest on the bottom of Windshield when not working.The method that is adopted during stop place that the utility model solves windscreen wiper is, when wiper control circuit detects combined switch and places the OFF gear, do not cut off the power supply of rain shaving electrical machine at once, but when windscreen wiper scrapes the bottom of Windshield, A7 and GND connect, when wiper control circuit detects A7 and GND connects, simultaneously, when combined switch places the OFF gear, cut off the power supply of rain shaving electrical machine.With present rain blowing controlled system contrast, this kind mode has been saved a relay, helps reducing the cost of total system.Windscreen wiper have high speed, low speed, at interval, four kinds of functions of crawl, corresponding respectively four kinds of switch combinations of HI, LO, INT, MIST in combined switch, as shown in Figure 1.
When combined switch was got to the HI shelves, A2 and GND connected, and at this moment, when wiper control circuit detects A2 and is connected with GND, switched on for the A6 of rain shaving electrical machine, by the dutycycle that the mode of PWM is regulated output voltage, made windscreen wiper work in fast mode.
When combined switch was got to the LO shelves, A3 and GND connected, and at this moment, when wiper control circuit detects A3 and is connected with GND, switched on for the A6 of rain shaving electrical machine, by the dutycycle that the mode of PWM is regulated output voltage, made windscreen wiper work in low-speed mode.
When combined switch was got to the INT shelves, A5 and GND connected, and at this moment, when wiper control circuit detects A5 and is connected with GND, switched on for the A6 of rain shaving electrical machine, by the dutycycle that the mode of PWM is regulated output voltage, made windscreen wiper work in low-speed mode.When windscreen wiper rested on the Windshield bottom, A7 and GND connection when wiper control circuit detects A7 and GND connection, were cut off the power supply of rain shaving electrical machine, after time-delay a period of time, regulated the power supply of the low-speed mode connection rain shaving electrical machine of dutycycle again according to PWM.Windscreen wiper restarts to start.
When combined switch was got to the MIST shelves, A1 and GND connected, and at this moment, when wiper control circuit detects A1 and is connected with GND, switched on for the A6 of rain shaving electrical machine, by the dutycycle that the mode of PWM is regulated output voltage, made windscreen wiper work in low-speed mode.
Various variations or the remodeling made by those skilled in the art can not break away from scope of the present utility model.
By those skilled in the art make comprise the various variations of this system or remodeling can not break away from scope of the present utility model.
Claims (3)
1. rain blowing controlled system, it is characterized in that: this wiper control circuit comprises three parts, is respectively combined switch, rain shaving electrical machine, wiper control circuit.
2. rain blowing controlled system according to claim 1 is characterized in that: can use the combined switch of simplification to finish input function.
3. rain blowing controlled system according to claim 1 is characterized in that: can use improved common electric machine to replace comparatively complicated at present rain shaving electrical machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201068761U CN201665201U (en) | 2010-02-03 | 2010-02-03 | Windscreen wiper control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201068761U CN201665201U (en) | 2010-02-03 | 2010-02-03 | Windscreen wiper control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201665201U true CN201665201U (en) | 2010-12-08 |
Family
ID=43266154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201068761U Expired - Fee Related CN201665201U (en) | 2010-02-03 | 2010-02-03 | Windscreen wiper control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201665201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608744A (en) * | 2014-12-03 | 2015-05-13 | 湖南工业大学 | Motor vehicle electric windscreen wiper control device controlled by film switch |
-
2010
- 2010-02-03 CN CN2010201068761U patent/CN201665201U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608744A (en) * | 2014-12-03 | 2015-05-13 | 湖南工业大学 | Motor vehicle electric windscreen wiper control device controlled by film switch |
| CN104608744B (en) * | 2014-12-03 | 2016-08-24 | 湖南工业大学 | The electronic windscreen wiper of locomotive that a kind of thin film switch controls controls device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Sicar Vehicle Technology Development Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Sicar Vehicle Technology Development Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20160203 |