CN107128286B - A kind of Special Automatic rainy day reaction unit of taxi and its control method - Google Patents

Abstract

The invention discloses a special automatic rainy weather reaction device for taxis and a control method thereof. It includes rain sensor, wiper controller, wiper motor, wiper combination switch, wiring harness, meter and automatic wiper switch, the rain sensor, wiper motor, wiper combination switch, meter and automatic wiper The switch is connected with the wiper controller through the wire harness, and the wiper motor is connected with the wiper combination switch. The beneficial effects of the invention are as follows: on the basis of not developing the wiper system of the whole vehicle, the automatic wiper configuration of the taxi is realized; the function of automatically adjusting the unit price of the meter according to the amount of rainfall is realized; the generalized design greatly reduces the aftermarket modification Man-hours to meet the conditions for large-scale modification; to realize the general design of the main engine factory and the aftermarket, and the skills to meet the standardization of the original factory installation and meet the needs of the aftermarket modification.

Description

A kind of automatic rainy weather response device for taxi and its control method

technical field

The invention relates to the related technical field of electronic appliances, in particular to a special automatic rainy weather reaction device for taxis and a control method thereof.

Background technique

The structure of the existing automatic wiper system consists of a rain sensor, a controller, a wiring harness, a switch, and the like.

1) Applicable objects:

This type of wiring method needs to disconnect the wiper INT gear (intermittent control gear) controller from the wiper switch, so it is only suitable for vehicles with external INT gear controller. When the vehicle INT gear controller and the wiper switch are integrated, they cannot be disconnected, so this type of automatic wiper system is not suitable for this type of vehicle.

2) Connection method:

At present, most of the automatic wiper systems in the market are to destroy the original wiring mode of the vehicle, and to cut and reconnect to realize the control of the whole vehicle. This method will destroy the structure of the original car, and there is a great safety risk. At the same time, this wiring method is not suitable for a large number of retrofits in the later period due to the large changes, and it cannot realize the installation of the original vehicle.

3) Independent features:

At present, the automatic wiper systems on the market are mostly independent embedded working methods. The wiper control module is independent of the vehicle, does not share information, cannot realize information interaction, and cannot realize vehicle signal extraction and processing.

Chinese Patent Application Publication No.: CN 102398569A, the application publication date is April 4, 2012, discloses a wiper system for automobiles, which can automatically adjust the operating frequency of the hanging arm according to the amount of rain, reducing the workload of the driver, and Provides a better vision for the driver under different rainfall conditions. Its composition includes a processor module, a switch control module, a rainfall detection module, a CAN communication module, an output drive module, and a system power supply. The switch control module works on the processor module. The rain detection module sends the measured electrical signal to the processor module for processing, the processor module sends the output control signal obtained after processing to the output drive module, and the output drive module adjusts the wiper motor after receiving the control signal. Rotating speed. The disadvantage of this invention is that it destroys the original wiring mode of the vehicle, resulting in a greater safety risk; in addition, this is an independent embedded working mode, which cannot realize the information interaction with the whole vehicle.

SUMMARY OF THE INVENTION

In order to overcome the above deficiencies in the prior art, the present invention provides a taxi-specific automatic rainy weather response device and a control method thereof, which is safe and reliable and realizes the interaction of vehicle information.

In order to achieve the above object, the present invention adopts the following technical solutions:

A special automatic rain response device for taxis, comprising a rain sensor, a wiper controller, a wiper motor, a wiper combination switch, a wiring harness, a meter and an automatic wiper switch. The rain sensor, wiper motor, wiper The combination switch, the meter and the automatic wiper switch are connected with the wiper controller through a wire harness, and the wiper motor is connected with the wiper combination switch.

The wiper combination switch is used to directly control the wiper motor, which can effectively avoid the influence of the automatic wiper switch installation on the opposite wiper mode; the vehicle wiper is divided into two modes. The combination switch controls the working state of the wiper motor; when the automatic wiper is turned on, the manual and automatic modes jointly control the wiper motor to work, when the rain sensor detects the rain signal, the wiper motor starts, and when the rain sensor has no rain signal, the manual rain The wiper mode can also control the working state of the wiper motor; this design does not need to destroy the original wiring method, so it is safer and more reliable for the whole vehicle; at the same time, the wiper controller combines the switch and the wiper through the wiring harness and the wiper. The motor connection realizes the interaction of vehicle information.

Preferably, the wiper combination switch includes a wiper high-speed switch, a wiper low-speed switch, a wiper intermittent switch, a wiper closing switch and an intermittent controller, and the wiper motor is provided with a wiper high-speed gear harness, Wiper low-speed gear wiring harness and wiper intermittent gear wiring harness, one end of the wiper high-speed switch, one end of the wiper low-speed switch, one end of the wiper intermittent switch and one end of the wiper closing switch are all connected with one end of the intermittent controller, The other end of the intermittent controller is connected to the wiper intermittent gear wiring harness of the wiper motor, the other end of the wiper high-speed switch is connected to the wiper high-speed gear wiring harness, the other end of the wiper low-speed switch, the wiper intermittent switch The other end of the wiper switch, the other end of the wiper closing switch and the wiper low gear wire harness of the wiper motor are connected to the wiper controller. Through the design of the wiper combination switch, both the automatic wiper mode and the manual wiper mode are realized; at the same time, through the line connection, the automatic wiper mode is connected with the vehicle line to realize the automatic wiper mode and vehicle information. Intercommunication, the whole vehicle can effectively read the rain signal in the automatic wiper mode, and transmit the rain signal to the meter (and other signal receiving devices), so that the vehicle can adjust the unit price of the meter according to the rainfall.

Preferably, the wiper combination switch further includes a washing switch and a washing electrode, one end of the washing switch is connected to the intermittent controller, and the other end of the washing switch is connected to the washing motor. This design ensures the normal use of the washing motor.

Preferably, one end of the meter is connected to the wiper low-speed switch of the wiper combination switch, and the other end of the meter is connected to the high-speed wiper wire harness of the wiper motor. This design can meet the requirements of different pricing methods in different environmental conditions; at the same time, the embedded technology of the whole vehicle is used to integrate the meter circuit into the vehicle instrument harness to avoid the risk of broken wiring.

The present invention also provides a control method of a special automatic rainy weather response device for taxis, comprising the following steps:

(1) The automatic wiper switch is turned on, the wiper controller and the intermittent controller start to work, and the rain sensor detects the amount of rain;

(2) When the vehicle is in a sunny day, the rain sensor has no signal transmitted to the wiper controller, the wiper controller has no output voltage to the wiper motor, the wiper motor does not move, and the wiper does not work;

(3) When the vehicle is in a light rainy day, the rain sensor receives the rain signal and transmits the signal to the wiper controller. The wiper controller outputs the voltage to the wiper motor through the wiper low-speed gear harness, and the wiper motor rotates at a low speed. work at low speed;

(4) When the rainfall increases, the output signal of the rain sensor changes, the wiper controller senses the signal change of the rain sensor, and the wiper controller outputs the voltage to the wiper motor through the wiper high-speed gear harness to switch the high-speed mode. The wiper motor rotates at high speed, and the wiper works in high gear;

(5) When the automatic wiper switch is turned off, the wiper controller and the intermittent controller stop working, and the wiper high-speed switch, wiper low-speed switch, wiper intermittent switch and wiper close switch of the wiper combination switch control the wiper motor. working status.

Preferably, in step (2), when the vehicle is in a sunny day, the wipers do not work, the low-speed wiper wiring harness is at a low level, the wiper high-speed wiring harness is at a low level, and the meter senses no high-level signal, The charging mode of the meter is in the normal charging mode.

Preferably, in step (3), when the vehicle is in a light rainy day, the wiper motor works at a low speed, the wiper low-speed gear wiring harness is at a high level, and the wiper high-speed gear wiring harness is at a low level, and the meter senses the wiper low-speed gear. The high level of the wiring harness, the charging mode is switched to the charging mode in light rain.

Preferably, in step (4), when the rainfall increases, the wiper motor works at high speed, the low-speed wiper wire harness is at a low level, the wiper high-speed gear wire harness is at a high level, and the meter senses the wiper high-speed gear. The high level of the wiring harness, the charging mode is switched to the heavy rain charging mode.

The beneficial effects of the invention are as follows: on the basis of not developing the wiper system of the whole vehicle, the configuration of the automatic wiper of the taxi is realized; the function of automatically adjusting the unit price of the meter according to the amount of rain is realized; through the universal design, the aftermarket modification is greatly reduced Man-hours, to meet the conditions for large-scale modification; realize the general design of the main engine factory and the after-market, and the skills can meet the standardization of the original factory installation and meet the needs of the after-market modification.

Description of drawings

Fig. 1 is the circuit principle diagram of the present invention.

In the picture: 1. Rain sensor, 2. Wiper controller, 3. Wiper motor, 4. Wiper combination switch, 5. Wiring harness, 6. Meter, 7. Automatic wiper switch, 8. Intermittent controller, 9. Wiper low-speed gear wiring harness, 10. Wiper high-speed gear wiring harness, 11. Wiper intermittent gear wiring harness, 12. Washing switch, 13. Washing motor.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

In the embodiment shown in FIG. 1, an automatic rainy weather response device for taxis includes a rain sensor 1, a wiper controller 2, a wiper motor 3, a wiper combination switch 4, a wiring harness 5, a meter 6 and an automatic Wiper switch 7, rain sensor 1, wiper motor 3, wiper combination switch 4, meter 6 and automatic wiper switch 7 are connected to wiper controller 2 through wire harness 5, wiper motor 3 and wiper combination switch 4 connect.

The wiper combination switch 4 includes a wiper high-speed switch, a wiper low-speed switch, a wiper intermittent switch, a wiper close switch and an intermittent controller 8. The wiper motor 3 is provided with a wiper high-speed gear wiring harness 10 and a wiper low-speed gear wiring harness 9 and the wiper intermittent gear harness 11, one end of the wiper high-speed switch, one end of the wiper low-speed switch, one end of the wiper intermittent switch and one end of the wiper closing switch are all connected to one end of the intermittent controller 8, and the intermittent controller 8 The other end of the wiper motor 3 is connected to the wiper intermittent gear harness 11, the other end of the wiper high-speed switch is connected to the wiper high-speed gear harness 10, the other end of the wiper low-speed switch, the other end of the wiper intermittent switch, the wiper The other end of the closing switch and the wiper low gear wire harness 9 of the wiper motor 3 are connected to the wiper controller 2 . Wherein: the wiper combination switch 4 also includes a washing switch 12 and a washing electrode, one end of the washing switch 12 is connected to the intermittent controller 8, the other end of the washing switch 12 is connected to the washing motor 13; one end of the meter 6 is connected to the wiper combination switch 4. The wiper low speed switch, the other end of the meter 6 is connected to the wiper high speed gear wire harness 10 of the wiper motor 3.

The present invention also provides a control method of a special automatic rainy weather response device for taxis, comprising the following steps:

(1) The automatic wiper switch 7 is turned on, the wiper controller 2 and the intermittent controller 8 start to work, and the rain sensor 1 detects the amount of rain;

(2) When the vehicle is in a sunny day, the rain sensor 1 transmits no signal to the wiper controller 2, the wiper controller 2 has no output voltage to the wiper motor 3, the wiper motor 3 has no action, and the wiper does not work; wherein, When the vehicle is in sunny weather, the wipers do not work, the wiper low gear wiring harness 9 is at a low level, the wiper high gear wiring harness 10 is at a low level, the meter 6 senses no high-level signal, and the charging mode of the meter 6 is at Normal billing mode;

(3) When the vehicle is in a light rainy day, the rain sensor 1 receives the rain signal and transmits the signal to the wiper controller 2. The wiper controller 2 outputs the voltage to the wiper motor 3 through the wiper low gear wiring harness 9, and the wiper motor 3. Low-speed rotation, wiper works at low speed; among them, when the vehicle is in light rain, wiper motor 3 works at low speed, wiper low-speed gear wiring harness 9 is at high level, wiper high-speed gear wiring harness 10 is at low level, and meter 6 senses When the high level of the wiper low gear harness 9 is reached, the charging mode is switched to the light rain charging mode;

(4) When the rainfall increases, the output signal of the rain sensor 1 changes, the wiper controller 2 senses the signal change of the rain sensor 1, and the wiper controller 2 outputs the voltage to the wiper motor 3 through the wiper high-speed gear harness 10 , so as to switch the high-speed mode, the wiper motor 3 rotates at a high speed, and the wiper works in a high-speed gear; among them, when the rainfall increases, the wiper motor 3 works at a high speed, the wiper low-speed gear harness 9 is at a low level, and the wiper is in a high-speed gear. The wiring harness 10 is at a high level, the meter 6 senses the high level of the wiper high-speed gear wiring harness 10, and the charging mode is switched to the heavy rain charging mode;

(5) When the automatic wiper switch 7 is turned off, the wiper controller 2 and the intermittent controller 8 stop working, and the wiper high-speed switch, wiper low-speed switch, wiper intermittent switch and wiper close switch of the wiper combination switch 4 Control the working state of the wiper motor 3.

The present invention adopts intermittent gear independent control, and the intermittent controller 8 directly controls the wiper motor 3, which effectively avoids the influence of the installation of the automatic wiper switch 7 on the opposite wiper mode. The vehicle wiper is divided into two modes. When the automatic wiper switch 7 is turned off, the manual control switch functions, and the working state of the wiper motor 3 is controlled by the wiper combination switch 4; when the automatic wiper switch 7 is turned on, the manual and automatic modes work together. Control the wiper motor 3 to work. When the rain sensor 1 detects the rain signal, the wiper motor 3 starts. When the rain sensor 1 detects no rain signal, the wiper working state can also be controlled by the manual wiper switch. Through the line connection, the automatic wiper is connected with the whole vehicle line to realize the information exchange between the automatic wiper and the whole vehicle. The whole vehicle can effectively read the rain signal of the automatic wiper, and transmit the rain signal to the meter 6 (and other signals) Receiving equipment), the vehicle can adjust the unit price of the meter 6 according to the amount of rainfall; at the same time, the embedded technology of the vehicle is adopted to integrate the meter 6 line into the instrument wiring harness of the vehicle to avoid the risk of broken wiring. In addition, the line interface is designed under the A-pillar on the left side of the vehicle, which is easy to disassemble and assemble, which can ensure the original production and manufacture, and can also ensure the large-scale modification in the aftermarket.

Claims (3)

1. a kind of Special Automatic rainy day reaction unit of taxi, characterized in that including precipitation rain fall sensor (1), wiper controller (2), rain shaving electrical machine (3), windscreen wiper stacked switch (4), harness (5), meter (6) and automatic wiper switch (7), the rainfall Sensor (1), rain shaving electrical machine (3), windscreen wiper stacked switch (4), meter (6) and automatic wiper switch (7) by harness (5) with Wiper controller (2) connection, the rain shaving electrical machine (3) are connect with windscreen wiper stacked switch (4)；The windscreen wiper stacked switch It (4) include windscreen wiper high-speed switch, windscreen wiper low speed switch, windscreen wiper pause switch, windscreen wiper closure switch and intermittent controller (8), institute The rain shaving electrical machine (3) stated is equipped with windscreen wiper top gear harness (10), windscreen wiper low or first gear harness (9) and windscreen wiper interval shelves harness (11), one end of the windscreen wiper high-speed switch, one end of windscreen wiper low speed switch, one end of windscreen wiper pause switch and windscreen wiper closure are opened One end of pass is connect with one end of intermittent controller (8), and the other end of the intermittent controller (8) connects rain shaving electrical machine (3) Windscreen wiper interval shelves harness (11), the other end of the windscreen wiper high-speed switch connect with windscreen wiper top gear harness (10), the rain Blow the rain of the other end of low speed switch, the other end of windscreen wiper pause switch, the other end of windscreen wiper closure switch and rain shaving electrical machine (3) Low or first gear harness (9) is scraped to connect with wiper controller (2)；The rain of one end connection windscreen wiper stacked switch (4) of the meter (6) Scrape low speed switch, the windscreen wiper top gear harness (10) of other end connection rain shaving electrical machine (3) of the meter (6).

2. the Special Automatic rainy day reaction unit of a kind of taxi according to claim 1, characterized in that the windscreen wiper group Combination switch (4) further includes wash switch (12) and washing motor (13), and one end of the wash switch (12) connects tapping mode The other end of device (8), the wash switch (12) connects washing motor (13).

3. a kind of control method of the Special Automatic rainy day reaction unit of taxi, characterized in that include the following steps:

(1) automatic wiper switch is opened, and wiper controller and intermittent controller are started to work, and it is big that precipitation rain fall sensor detects rainfall It is small；

(2) when vehicle is in fine day, precipitation rain fall sensor no signal is transmitted to wiper controller, and wiper controller is without output voltage To rain shaving electrical machine, rain shaving electrical machine attonity, windscreen wiper does not work；When vehicle is in fine day, windscreen wiper does not work, windscreen wiper low or first gear line Beam is in low level, and windscreen wiper top gear harness is in low level, and meter incudes without high level signal, the charging mode of meter In common charge mode；

(3) when vehicle is in the small rainy day, precipitation rain fall sensor receives rainfall signal and transmits a signal to wiper controller, rain It scrapes controller and passes through windscreen wiper low or first gear harness output voltage to rain shaving electrical machine, rain shaving electrical machine low speed rotation, windscreen wiper tick-over；When When vehicle is in the small rainy day, rain shaving electrical machine tick-over, windscreen wiper low or first gear harness is in high level, and windscreen wiper top gear harness is in low Level, meter sense that the high level of windscreen wiper low or first gear harness, charging mode are switched to small rainy day charge mode；

(4) when rainfall increases, the output signal variation of precipitation rain fall sensor, wiper controller senses the signal of precipitation rain fall sensor Variation, wiper controller is by windscreen wiper top gear harness output voltage to rain shaving electrical machine, thus switch high-speed mode, rain shaving electrical machine High speed rotation, windscreen wiper are in top gear work；When rainfall increases, rain shaving electrical machine high speed operation, windscreen wiper low or first gear harness is in low Level, windscreen wiper top gear harness are in high level, and meter senses the high level of windscreen wiper top gear harness, charging mode switching For big rainy day charge mode；

(5) when automatic wiper, which switchs, closes, wiper controller and intermittent controller stop working, the windscreen wiper of windscreen wiper stacked switch The working condition of high-speed switch, windscreen wiper low speed switch, windscreen wiper pause switch and windscreen wiper closure switch control rain shaving electrical machine.