CN105270324A - Windscreen wiper circuit - Google Patents
Windscreen wiper circuit Download PDFInfo
- Publication number
- CN105270324A CN105270324A CN201410349470.9A CN201410349470A CN105270324A CN 105270324 A CN105270324 A CN 105270324A CN 201410349470 A CN201410349470 A CN 201410349470A CN 105270324 A CN105270324 A CN 105270324A
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- pin
- windscreen wiper
- electrical machine
- rain shaving
- shaving electrical
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Abstract
The invention discloses a windscreen wiper circuit. The windscreen wiper circuit comprises a windscreen wiper switch, a windscreen wiper high-speed relay K2, a windscreen wiper low-speed relay K6 and a windscreen wiper motor. The windscreen wiper switch is provided with a high-speed gear 53b pin and a low-speed gear 53 pin. The high-speed gear 53b pin of the windscreen wiper switch is connected with a driving end K2.86 pin of the windscreen wiper high-speed relay K2. The windscreen wiper high-speed relay K2 is connected with a 53b pin of the windscreen wiper motor and drives the windscreen wiper motor to rotate at high speed. The low-speed gear 53 pin of the windscreen wiper switch is connected with a driving end K6.86 pin of the windscreen wiper low-speed relay. The windscreen wiper low-speed relay K6 is connected with the 53b pin of the windscreen wiper motor and drives the windscreen wiper motor to rotate at low speed. The driving end K2.86 pin of the windscreen wiper high-speed relay K2 is connected with the driving end K6.86 pin of the windscreen wiper low-speed relay K6 through a diode. By means of the windscreen wiper circuit, a windscreen wiper resets in place, and intermittent operation is accurate.
Description
Technical field
The present invention relates to car electrics field, particularly relate to a kind of windscreen wiper circuit on automobile.
Background technology
In the windscreen wiper circuit of prior art, when windscreen wiper slow-speed relay closes, directly by Power supply, windscreen wiper slow-speed relay closure signal and fast relay closure signal work alone, therefore windscreen wiper self-return is not thorough, and when discontinuous running, there is cycle coarse problem.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of windscreen wiper circuit, wiper return is put in place, discontinuous running is accurate, avoids windscreen wiper not return, especially during discontinuous running, and the drawback that return is not in place; Make chaufeur more comfortable in rainy day work, effectively raise the safety that heavy motor vehicle is driven.
For solving the problems of the technologies described above, the present invention takes following technical scheme:
A kind of windscreen wiper circuit, comprise wiper switch, windscreen wiper fast relay K2, windscreen wiper slow-speed relay K6 and rain shaving electrical machine, described wiper switch is provided with high speed gear 53b pin and low gear 53 pin, described wiper switch high speed gear 53b pin is connected with the drive end K2.86 pin of windscreen wiper fast relay K2, described windscreen wiper fast relay K2 is connected with rain shaving electrical machine 53b pin, drives rain shaving electrical machine High Rotation Speed; Described wiper switch low gear 53 pin is connected with the drive end K6.86 pin of windscreen wiper slow-speed relay, and described windscreen wiper slow-speed relay K6 is connected with rain shaving electrical machine 53 pin, drives rain shaving electrical machine low speed rotation; Described windscreen wiper fast relay K2 drive end K2.86 pin is connected with windscreen wiper slow-speed relay K6 drive end K6.86 pin by diode.
Further, rain shaving electrical machine inside is provided with return switch, described return switch comprises not moved end and two moved ends, described not moved end is connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin, a moved end in described two moved ends is connected with rain shaving electrical machine power input 53a pin, described rain shaving electrical machine power input 53a pin is connected with motor power, and another moved end is connected with rain shaving electrical machine ground terminal 31 pin, described rain shaving electrical machine ground terminal 31 pin ground connection.
Further, return switch is return sheet, and described return sheet is circular, with rain shaving electrical machine synchronous axial system; Described return sheet outward flange is provided with breach, and the corresponding gap position of inward flange is provided with projection, and described return sheet is provided with a, b, c tri-contacts from top to bottom, and a contact is in indentation, there, and c contact is at high spot, and b contact is in the middle of a, c contact; Wherein, a point is connected with rain shaving electrical machine power input 53a pin, and b point is connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin, and c point is connected with rain shaving electrical machine ground terminal 31 pin.
Further, wiper switch also comprises interval shelves J pin, and described interval shelves J pin is connected with fitful power input end, and described fitful power mouth, to the drive end K6.86 periodically power supply of windscreen wiper slow-speed relay, drives rain shaving electrical machine low speed rotation; Described fitful power power-off port is connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin, receives earth signal.
Further, the drive end K6.86 pin of wiper switch low gear 53 pin, windscreen wiper slow-speed relay respectively with MINI controller windscreen wiper low speed switch input port A.25 pin, pin windscreen wiper slow-speed relay output port A.24 pin be connected.
Further, wiper switch interval shelves J pin and MINI controller windscreen wiper pause switch port A.12 pin are connected, described MINI controller windscreen wiper return signal port A.8 pin is connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin, receives earth signal; Described controller windscreen wiper slow-speed relay output port A.24 pin is powered to the drive end K6.86 periodicity of windscreen wiper slow-speed relay.
Beneficial effect: the present invention makes heavy motor vehicle windscreen wiper return put in place, discontinuous running is accurate, makes chaufeur more comfortable in rainy day work, effectively raises the safety that heavy motor vehicle is driven.
Accompanying drawing explanation
Fig. 1 is windscreen wiper external circuit figure.
Fig. 2 is rain shaving electrical machine inner return chip architecture schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of windscreen wiper circuit provided by the invention, comprises wiper switch, windscreen wiper fast relay K2, windscreen wiper slow-speed relay K6 and rain shaving electrical machine, and wiper switch has high speed gear, low gear, interval shelves, neutral, get to different gears, control the corresponding action of rain shaving electrical machine respectively.Wiper switch 53b pin (high speed gear) is connected with the drive end K2.86 pin of windscreen wiper fast relay K2, and control windscreen wiper fast relay K2 opened/closed, windscreen wiper fast relay K2 is connected with rain shaving electrical machine 53b pin, drives rain shaving electrical machine High Rotation Speed.Wiper switch 53 pin (low gear) is connected with the drive end K6.86 of windscreen wiper slow-speed relay, and control windscreen wiper slow-speed relay K6 opened/closed, windscreen wiper slow-speed relay K6 is connected with rain shaving electrical machine 53 pin, drives rain shaving electrical machine low speed rotation.Windscreen wiper fast relay K2 drive end K2.86 is connected with windscreen wiper slow-speed relay K6 drive end K6.86 by diode,
Wiper switch J pin (interval shelves) is connected with the drive end K6.86 of windscreen wiper slow-speed relay by fitful power.
Rain shaving electrical machine inside is provided with return sheet, and return sheet is sheetmetal, with rain shaving electrical machine synchronous axial system.As shown in Figure 2, return sheet is provided with a, b, c tri-contacts from top to bottom, and wherein a point is connected with rain shaving electrical machine power input 53a pin, and b point is connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin, c point is connected with rain shaving electrical machine ground terminal 31 pin, i.e. ground connection.When return sheet goes to state shown in Fig. 2, a point is in indentation, there, and c point is protruding at return sheet, and now b point is communicated with c point, namely rain shaving electrical machine windscreen wiper return signal output part 31b pin and rain shaving electrical machine ground terminal 31 pin () be communicated with, windscreen wiper is in return state; If continued power, motor is rotated further, and goes to a point on return sheet, and when c point is not on return sheet, a point is communicated with b point, and namely rain shaving electrical machine power input 53a pin is communicated with rain shaving electrical machine windscreen wiper return signal output part 31b pin, and windscreen wiper is in scrapes water state.If the power-off when scraping water state (neutral gear), then rain shaving electrical machine coil is to feeding electric motors, makes it remain in operation to return state, return state c point ground connection, now, rain shaving electrical machine coil produces inverse electromotive force, by discharging unnecessary electricity with formation loop, ground, realize from return.
(1) low-speed running circuit working mode
Wiper switch is closed to 53 pins (low-speed mode), drive windscreen wiper slow-speed relay K6 to close, 30 power supplys are connected with rain shaving electrical machine 53 pin via windscreen wiper fast relay K2, the closed windscreen wiper slow-speed relay K6 disconnected, drive motor low-speed running.When disconnecting wiper switch (switch pushes 0 grade), windscreen wiper slow-speed relay K6 disconnects, now, if the non-return of windscreen wiper, then rain shaving electrical machine 31b pin and power input 53a pin completes, motor power continues power supply, when windscreen wiper goes to return state, rain shaving electrical machine 31b and ground terminal 31 pin () be communicated with, stop powering to rain shaving electrical machine, now, rain shaving electrical machine coil produces inverse electromotive force, by discharging with formation loop, ground, i.e. rain shaving electrical machine 53 pin, the windscreen wiper slow-speed relay K6 disconnected, rain shaving electrical machine windscreen wiper return signal output part 31b pin, rain shaving electrical machine ground terminal 31 pin, ground forms C/LOOP, thus make windscreen wiper rest on return position.
(2) high-speed operation circuit working mode
Wiper switch is closed to 53b pin (fast mode), windscreen wiper fast relay K2 closes, and power supply 30, via windscreen wiper fast relay K2.87 pin, is connected with rain shaving electrical machine 53b pin, drive motor high-speed operation.While K2 is closed, because drive end K2.86 pin is connected by right diode with K6.86 pin, drive windscreen wiper slow-speed relay K6 to close, but windscreen wiper slow-speed relay K6 no current flow into, therefore rain shaving electrical machine 53 pin is unsettled, ensures rain shaving electrical machine high-speed operation.When disconnecting windscreen wiper, windscreen wiper return, principle is with low-speed running circuit working mode.
(3) discontinuous running circuit working
Mode of operation: windscreen wiper work twice-interval X second-work twice.
Mode of operation: discontinuous running circuit operating pattern only has lower-speed state, be applicable to raindrop less time.Wiper switch is closed to J pin (interval shelves), fitful power carries out periodicity power supply according to the windscreen wiper work time of one week of setting to windscreen wiper slow-speed relay, power-on time is greater than the windscreen wiper work time of one week, by from return, makes each cycling of windscreen wiper twice.
Further, in order to make windscreen wiper can power-off completely after work twice, intermittent power supply power supply is also provided with power-off port, be connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin, when windscreen wiper go to scrape water time, rain shaving electrical machine power input 53a and 31b connects, and power-off port accepts high signal; When windscreen wiper goes to return state, rain shaving electrical machine 31b is connected with ground terminal 31 pin, power-off port accepts earth signal, when power-off port accepts twice earth signal, guarantees the complete power-off of fitful power output port, and X continues power supply after second, thus realizes discontinuous running.
Above-mentioned is one embodiment of the present invention, and as the another kind of embodiment in actual use procedure, automobile adopts MINI controller to unify to control to each appliance device of automobile usually, wiper switch is no exception, the drive end K6.86 of wiper switch 53 pin (low gear), windscreen wiper slow-speed relay respectively with MINI controller A.25 windscreen wiper low speed switch input port, A.24 pin windscreen wiper slow-speed relay output port be connected, served as both connection lines by controller.MINI controller A.12 windscreen wiper pause switch is connected with wiper switch J pin (interval shelves), wiper switch J pin (interval shelves) is closed, MINI controller A.12 windscreen wiper pause switch accesses high signal, by the windscreen wiper work time input control device of a week, controller A.24 pin windscreen wiper slow-speed relay output port periodically power supply, controller A.8 windscreen wiper return signal port accepts high signal; When windscreen wiper goes to return state, rain shaving electrical machine 31b is connected with ground terminal 31 pin, controller A.8 windscreen wiper return signal port receives earth signal, when A.8 windscreen wiper return signal port receives twice earth signal, guarantee the A.24 complete power-off of windscreen wiper slow-speed relay output port, X continues power supply after second, thus realizes discontinuous running.
The principle that windscreen wiper fast relay K2 drive end K2.86 of the present invention is connected with windscreen wiper slow-speed relay K6 drive end K6.86 by diode is as follows:
As seen from Figure 2, b point in rain shaving electrical machine 31b pin and return sheet, be high signal during rotation along with rain shaving electrical machine, time but low signal, corresponding in Fig. 1 is connection control device windscreen wiper return signal port A.8 pin or interval power supply, and controller or interval power supply stronghold signal judge whether to power to windscreen wiper slow-speed relay.
If the diode removed in figure and the circuit on both sides thereof, during the adhesive of windscreen wiper fast relay, the not adhesive of windscreen wiper slow-speed relay, after controller or interval power supply receive twice earth signal, power-off X powered to windscreen wiper slow-speed relay after second, thus interference is caused to rain shaving electrical machine High Rotation Speed, therefore during the adhesive of windscreen wiper fast relay, the necessary adhesive of slow-speed relay;
If just remove the diode in figure, two relays are directly connected, then when low speed adhesive, namely when A.24 controller is high signal, windscreen wiper fast relay also can adhesive, and interference windscreen wiper normally works, therefore must add diode, ensure when slow-speed relay adhesive, fast relay not adhesive;
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a windscreen wiper circuit, it is characterized in that: comprise wiper switch, windscreen wiper fast relay K2, windscreen wiper slow-speed relay K6 and rain shaving electrical machine, described wiper switch is provided with high speed gear 53b pin and low gear 53 pin, described wiper switch high speed gear 53b pin is connected with the drive end K2.86 pin of windscreen wiper fast relay K2, described windscreen wiper fast relay K2 is connected with rain shaving electrical machine 53b pin, drives rain shaving electrical machine High Rotation Speed; Described wiper switch low gear 53 pin is connected with the drive end K6.86 pin of windscreen wiper slow-speed relay, and described windscreen wiper slow-speed relay K6 is connected with rain shaving electrical machine 53 pin, drives rain shaving electrical machine low speed rotation; Described windscreen wiper fast relay K2 drive end K2.86 pin is connected with windscreen wiper slow-speed relay K6 drive end K6.86 pin by diode.
2. a kind of windscreen wiper circuit according to claim 1, it is characterized in that: described rain shaving electrical machine inside is provided with return switch, described return switch comprises not moved end and two moved ends, described not moved end is connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin, a moved end in described two moved ends is connected with rain shaving electrical machine power input 53a pin, described rain shaving electrical machine power input 53a pin is connected with motor power, another moved end is connected with rain shaving electrical machine ground terminal 31 pin, described rain shaving electrical machine ground terminal 31 pin ground connection.
3. a kind of windscreen wiper circuit according to claim 2, it is characterized in that: described return switch is return sheet, described return sheet is circular, with rain shaving electrical machine synchronous axial system; Described return sheet outward flange is provided with breach, and the corresponding gap position of inward flange is provided with projection, and described return sheet is provided with a, b, c tri-contacts from top to bottom, and a contact is in indentation, there, and c contact is at high spot, and b contact is in the middle of a, c contact; Wherein, a point is connected with rain shaving electrical machine power input 53a pin, and b point is connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin, and c point is connected with rain shaving electrical machine ground terminal 31 pin.
4. a kind of windscreen wiper circuit according to claim 1, it is characterized in that: described wiper switch also comprises interval shelves J pin, described interval shelves J pin is connected with fitful power input end, described fitful power mouth, to the drive end K6.86 periodically power supply of windscreen wiper slow-speed relay, drives rain shaving electrical machine low speed rotation.
5. a kind of windscreen wiper circuit according to claim 4, is characterized in that: described fitful power power-off port is connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin.
6. a kind of windscreen wiper circuit according to claim 1, is characterized in that: the drive end K6.86 pin of described wiper switch low gear 53 pin, windscreen wiper slow-speed relay respectively with MINI controller windscreen wiper low speed switch input port A.25 pin, pin windscreen wiper slow-speed relay output port A.24 pin be connected.
7. a kind of windscreen wiper circuit according to claim 1, it is characterized in that: described wiper switch interval shelves J pin and MINI controller windscreen wiper pause switch port A.12 pin are connected, described MINI controller windscreen wiper return signal port A.8 pin is connected with rain shaving electrical machine windscreen wiper return signal output part 31b pin, receives earth signal.
8. a kind of windscreen wiper circuit according to claim 7, is characterized in that: described controller windscreen wiper slow-speed relay output port A.24 pin is powered to the drive end K6.86 periodicity of windscreen wiper slow-speed relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410349470.9A CN105270324A (en) | 2014-07-22 | 2014-07-22 | Windscreen wiper circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410349470.9A CN105270324A (en) | 2014-07-22 | 2014-07-22 | Windscreen wiper circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105270324A true CN105270324A (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410349470.9A Pending CN105270324A (en) | 2014-07-22 | 2014-07-22 | Windscreen wiper circuit |
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| CN (1) | CN105270324A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106919116A (en) * | 2017-04-25 | 2017-07-04 | 安徽机电职业技术学院 | Wiper powers off automatic return control device and method |
| CN108202697A (en) * | 2016-12-20 | 2018-06-26 | 比亚迪股份有限公司 | Rain blowing controlled system, wiper and vehicle |
| CN109154928A (en) * | 2016-05-20 | 2019-01-04 | 标致雪铁龙汽车股份有限公司 | The multiplex networks of the loss of controlled state frame |
| CN109774657A (en) * | 2018-11-13 | 2019-05-21 | 中联重科股份有限公司 | The control system for windscreen wiper cleaned for glass |
| CN111176191A (en) * | 2020-01-17 | 2020-05-19 | 青岛建邦供应链股份有限公司 | Signal-taking return control circuit for automobile wiper motor |
-
2014
- 2014-07-22 CN CN201410349470.9A patent/CN105270324A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109154928A (en) * | 2016-05-20 | 2019-01-04 | 标致雪铁龙汽车股份有限公司 | The multiplex networks of the loss of controlled state frame |
| CN108202697A (en) * | 2016-12-20 | 2018-06-26 | 比亚迪股份有限公司 | Rain blowing controlled system, wiper and vehicle |
| CN108202697B (en) * | 2016-12-20 | 2019-09-13 | 比亚迪股份有限公司 | Rain blowing controlled system, wiper and vehicle |
| CN106919116A (en) * | 2017-04-25 | 2017-07-04 | 安徽机电职业技术学院 | Wiper powers off automatic return control device and method |
| CN106919116B (en) * | 2017-04-25 | 2023-09-22 | 安徽机电职业技术学院 | Automatic return control device and method for automobile windscreen wiper outage |
| CN109774657A (en) * | 2018-11-13 | 2019-05-21 | 中联重科股份有限公司 | The control system for windscreen wiper cleaned for glass |
| CN111176191A (en) * | 2020-01-17 | 2020-05-19 | 青岛建邦供应链股份有限公司 | Signal-taking return control circuit for automobile wiper motor |
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Legal Events
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Application publication date: 20160127 |