CN117022181A

CN117022181A - Wiper hydrojet control equipment and vehicle

Info

Publication number: CN117022181A
Application number: CN202311223006.0A
Authority: CN
Inventors: 张亚锋; 盛国辉; 卢龙江; 司莉纳
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2023-11-10

Abstract

The application belongs to the technical field of automobile electronic and electric parts, and particularly relates to wiper spray control equipment and a vehicle. A wiper spray control apparatus includes: the wiper motor is connected to the wiper in a transmission way; the reset ring is in transmission connection with an output shaft of the wiper motor; the controller is connected with a contact assembly, and the contact assembly can be contacted with or disconnected from the reset ring; the liquid spraying assembly is electrically connected with the controller and connected with the windscreen wiper; the reset ring is provided with at least one group of communicating pieces which are periodically contacted or disconnected with the contact assembly, and the liquid spraying assembly is used for spraying liquid to a target liquid spraying area of the scraping area of the windscreen wiper. The purpose is that: when the windscreen wiper sprays the washing liquid to wash glass, the windscreen wiper moves to the second wiping area to spray liquid under various situations, so that waste of the washing liquid is reduced, dry wiping of the wiper strip of the windscreen wiper is avoided, and the service life of the windscreen wiper is prolonged.

Description

Wiper hydrojet control equipment and vehicle

Technical Field

The application belongs to the technical field of automobile electronic and electric parts, and particularly relates to wiper spray control equipment and a vehicle.

Background

The water spray wiper arm is a device formed by integrally assembling a nozzle of a washing system on the wiper arm, and the nozzle moves along with the wiper arm and sprays washing liquid to the vicinity of a wiper blade adhesive tape in the process of wiping, and then the washing liquid is immediately wiped clean by the wiper, so that a driver is ensured to quickly have a good driving visual field, and the water spray wiper arm is favored by more and more host factories in recent years.

However, the washing liquid sprayed by the water spraying scraping arm is not influenced by air resistance and gravity, and can be sprayed to the surface of the windshield glass as many as possible, so that the situation of excessive spraying of continuous spraying liquid can occur, liquid accumulation occurs near the A-column adhesive tape, the washing liquid is wasted, and the visual field and the driving safety of a driver are influenced.

Chinese patent CN209435033U proposes a wiper motor capable of controlling water spraying timing of an automobile washing system, and the position of a wiper is located through structural design, so as to achieve the purpose of controlling water spraying timing of the automobile washing system by the wiper, but only spraying liquid can be started based on a wiper reset position during uplink or stopped based on the wiper reset position during downlink, spraying liquid cannot be performed in a specific area during uplink or downlink, and areas where washing liquid is sprayed on a windshield under the conditions of high-speed wiping and low-speed wiping are inconsistent, so that waste is caused due to excessive washing liquid at possible positions on the windshield, and washing liquid is not available at some positions, so that the wiper is dry to cause damage to a wiper strip of the wiper.

Disclosure of Invention

The purpose of the application is that: the wiper liquid spraying control device and the vehicle aim to solve the problems that the existing wiper cannot spray liquid in a specific area in the ascending or descending process and the areas where washing liquid is sprayed on a windshield are inconsistent under the conditions of high-speed wiping and low-speed wiping.

In order to achieve the technical purpose, the application adopts the following technical scheme:

a wiper spray control apparatus comprising:

the wiper motor is connected to the wiper in a transmission manner;

the reset ring is in transmission connection with an output shaft of the wiper motor;

a controller connected with a contact assembly, wherein the contact assembly can be contacted with or disconnected from the reset ring;

the liquid spraying assembly is electrically connected with the controller and connected with the windscreen wiper;

the reset ring is provided with at least one group of communicating pieces, the communicating pieces are periodically contacted with or disconnected from the contact assembly, and the liquid spraying assembly is used for spraying liquid to a target liquid spraying area of the scraping area of the windscreen wiper.

Preferably, the reset ring is provided with an outer ring layer, an intermediate layer and an inner ring layer from outside to inside; the communication piece comprises a first bulge structure, a second bulge structure, a third bulge structure and a fourth bulge structure; the first protruding structure and the second protruding structure are arranged on the outer ring layer, and the third protruding structure and the fourth protruding structure are arranged on the inner ring layer. The arrangement is beneficial to the liquid spraying scheme of the windscreen wiper under various situations through different subareas on the reset ring.

Preferably, the scraping and brushing area comprises a first scraping and brushing area, a second scraping and brushing area and a third scraping and brushing area, and the second scraping and brushing area is the target liquid spraying area. The arrangement is beneficial to spraying liquid in the second scraping area in various situations, and the scraping effect is improved.

Preferably, the contact assembly comprises an outer ring layer contact spring, an intermediate layer contact spring and an inner ring layer contact spring, wherein the outer ring layer contact spring and the inner ring layer contact spring are connected with the controller, and the intermediate layer contact spring is normally grounded.

Preferably, the intermediate layer contact spring plate contacts with the intermediate layer, and in the process of rotating the reset ring, the outer ring layer contact spring plate periodically contacts with the first protruding structure and the second protruding structure, and the inner ring layer contact spring plate periodically contacts with the third protruding structure and the fourth protruding structure of the inner ring layer. The arrangement is convenient for the contact assembly to touch and separate from the reset ring, so that the liquid spraying assembly can spray liquid in the second scraping and brushing area under different running states of the windscreen wiper.

Preferably, the communicating member further includes a fifth protrusion structure provided at the inner ring layer. When the windscreen wiper is closed, the fifth bulge is contacted with the inner ring layer contact spring piece.

Preferably, the liquid spraying assembly comprises a washing motor and a scraping arm nozzle, wherein the washing motor is connected with a washing pipeline, and the scraping arm nozzle is arranged on the windscreen wiper and is communicated with the washing pipeline. The device is convenient for spraying liquid for cleaning.

Preferably, the intelligent washing machine further comprises a switch control module, wherein the switch control module comprises a washing switch, a low-speed wiper switch and a high-speed wiper switch, and the washing switch, the low-speed wiper switch and the high-speed wiper switch are respectively connected with the controller. The arrangement is beneficial to controlling the wiper to run in a low-speed and high-speed state.

Preferably, the reset ring is fixedly connected with a fixed hook, a motor turbine is connected to an output shaft of the wiper motor in a transmission manner, a matching hole is formed in the motor turbine, and the reset ring is fixedly installed in the matching hole through the fixed hook. The arrangement of the device is that when the wiper motor drives the wiper to run, the reset ring is driven to synchronously rotate, so that the control area on the reset ring corresponds to the wiping area of the wiper.

A vehicle comprising a vehicle body and a wiper spray control apparatus as described above, the wiper spray control apparatus being provided on the vehicle body.

The application adopting the technical scheme has the following advantages:

1. in the scheme, the wiper motor drives the wiper to run at a high speed or a low speed and drives the reset ring to synchronously rotate, the outer ring layer contact spring sheet is periodically contacted with or disconnected from the first bulge structure and the second bulge structure of the reset ring, and voltage jump edge signals and voltage signals are regularly generated; the inner ring layer contact spring plate is contacted with or disconnected from the third bulge structure and the fourth bulge structure of the reset ring, voltage jump edge signals and voltage signals are regularly generated, the controller detects the voltage jump edge signals and the voltage signals generated on the outer ring layer contact spring plate and the inner ring layer contact spring plate simultaneously through a first pin 1#PIN connected with the outer ring layer contact spring plate and a second pin 2#PIN connected with the inner ring layer contact spring plate, and after processing, the washing motor is controlled to run to a second scraping area in various situations to finish spraying liquid, waste of washing liquid is reduced, the condition of dry scraping of wiper blades is reduced, and the service life of the wiper is prolonged;

2. in this scheme, when wiper scrapes different regions under different speeds, contact assembly's different contact shell fragment contacts with the different control district on the reset ring to make wiper move under multiple situation, all only scrape the district hydrojet at the second, accomplish through mechanical structure, low cost, the reliability is higher.

Drawings

The application can be further illustrated by means of non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic view of an exploded structure of a wiper motor according to an embodiment of a wiper spray control apparatus of the present application;

fig. 2 is a schematic view of a wiper brush envelope area of an embodiment of a wiper spray control apparatus according to the present application;

FIG. 3 is a schematic view showing a reset ring structure of an embodiment of a wiper spray control apparatus according to the present application;

FIG. 4 is a schematic view of a turbine structure of an embodiment of a wiper spray control apparatus according to the present application;

FIG. 5 is a schematic view of the assembly of a reset ring and turbine of an embodiment of a wiper spray control apparatus of the present application;

fig. 6 is a schematic view of a wiper stop position principle of an embodiment of a wiper spray control apparatus of the present application;

fig. 7 is a schematic diagram of a principle of a low-speed upward spray start position of a wiper according to an embodiment of a wiper spray control apparatus of the present application;

fig. 8 is a schematic diagram of a wiper low-speed uplink liquid spraying end position principle of an embodiment of a wiper liquid spraying control apparatus according to the present application;

fig. 9 is a schematic view of a principle of a low-speed downlink spray start position of a wiper according to an embodiment of the wiper spray control apparatus of the present application;

fig. 10 is a schematic view of a principle of a wiper low-speed downlink liquid spray end position of an embodiment of a wiper liquid spray control apparatus according to the present application;

fig. 11 is a schematic view of a principle of a high-speed upward spray starting position of a wiper according to an embodiment of the wiper spray control apparatus of the present application;

fig. 12 is a schematic view of a principle of a high-speed upward spray end position of a wiper according to an embodiment of the wiper spray control apparatus of the present application;

fig. 13 is a schematic view of a principle of a high-speed downlink spray start position of a wiper according to an embodiment of the wiper spray control apparatus of the present application;

fig. 14 is a schematic view of a principle of a high-speed downlink spray end position of a wiper according to an embodiment of the wiper spray control apparatus of the present application.

The main reference numerals are as follows:

1. a wiper motor; 11. a motor turbine; 111. matching holes; 2. a reset ring; 21. a first bump structure; 22. a second bump structure; 23. a third bump structure; 24. a fourth bump structure; 25. a fifth bump structure; 26. a fixed hook; 3. a scraping area; 31. a first wiping area; 32. a second wiping area; 33. a third wiping area; 4. a controller; 41. the outer ring layer contacts the spring plate; 42. the middle layer contacts the spring plate; 43. the inner ring layer contacts with the spring plate; 51. a washing motor; 52. a wiper arm nozzle; 53. a washing pipeline; 6. a switch control module; 61. a washing switch; 62. a low-speed wiper switch; 63. a high-speed wiper switch.

Detailed Description

The present application will be described in detail below with reference to the drawings and the specific embodiments, wherein like or similar parts are designated by the same reference numerals throughout the drawings or the description, and implementations not shown or described in the drawings are in a form well known to those of ordinary skill in the art. In addition, directional terms such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc. in the embodiments are merely directions with reference to the drawings, and are not intended to limit the scope of the present application.

As shown in fig. 1 to 14, the wiper liquid spraying control device of the application comprises a wiper motor 1, a reset ring 2, a controller 4 and a liquid spraying component, wherein the wiper motor 1 is in transmission connection with a wiper, the reset ring 2 is in transmission connection with an output shaft of the wiper motor 1, and the controller 4 is respectively and electrically connected with the wiper motor 1 and the liquid spraying component.

As shown in fig. 1, in the present embodiment, a wiper motor 1 includes a motor upper cover, a motor turbine assembly, a motor reduction box, a motor outer housing, a motor worm assembly, wherein the motor turbine assembly includes a motor turbine 11 and a motor output shaft, the motor worm assembly includes a motor armature and a motor worm, wherein a reset ring 2 is fixedly installed on the motor turbine 11 of the motor turbine assembly, assembled inside the motor reduction box together with the motor turbine 11, and the motor upper cover is assembled to the upper portion of the motor reduction box.

As shown in fig. 3, the reset ring 2 is provided with an outer ring layer, an intermediate layer and an inner ring layer from outside to inside; at least one group of communicating members is arranged on the reset ring 2. In the embodiment, the communicating members are arranged in a group, comprising 5 protruding structures integrally formed with the reset ring 2,

the inner ring layer is provided with three protruding structures which are a third protruding structure 23, a fourth protruding structure 24 and a fifth protruding structure 25 respectively, wherein the fifth protruding structure 25 is a wiper stop area, the third protruding structure 23 is a high-speed wiper uplink liquid spraying area, and the fourth protruding structure 24 is a high-speed wiper downlink liquid spraying area; the middle layer is a grounding signal layer and is normally connected with the ground of the vehicle body; the outer ring layer is provided with two protruding structures, namely a first protruding structure 21 and a second protruding structure 22, wherein the first protruding structure 21 is a low-speed scraping and brushing uplink liquid spraying area, and the second protruding structure 22 is a low-speed scraping and brushing downlink liquid spraying area.

The controller 4 is connected with a contact assembly through a wire harness, an outer ring layer contact spring 41, an intermediate layer contact spring 42 and an inner ring layer contact spring 43, the outer ring layer contact spring 41 is connected with a first pin 1#PIN on the controller 4, the inner ring layer contact spring 43 is connected with a second pin 2#PIN on the controller 4, and the intermediate layer contact spring 42 is normally grounded.

The wiper motor 1 is further provided with a motor sheath, the motor sheath is a wiper end self-opening module, the contact assembly is arranged on the motor, the motor sheath is integrally injection molded with the outer ring layer contact spring 41, the middle layer contact spring 42, the inner ring layer contact spring 43 and the motor low-speed power supply terminal and the motor high-speed power supply terminal in the wiper motor 1, and the motor end connecting sheath on the wiper motor 1 is connected with the vehicle body wire harness end connecting sheath.

As shown in fig. 2, the wiping area 3 of the wiper blade includes a first wiping area 31, a second wiping area 32, and a third wiping area 33, the second wiping area is a target liquid spraying area, and when the wiper blade is operated under different conditions, the contact and separation conditions between the first protrusion structure 21, the second protrusion structure 22, the third protrusion structure 23, and the fourth protrusion structure 24 and the contact component are different, but all liquid is sprayed in the second wiping area for cleaning.

When the wiper motor 1 works, the armature rotates, the motor worm drives the motor turbine 11 and the reset ring 2 fixed on the motor worm to rotate together, the outer ring layer contact spring piece 41 is periodically contacted or disconnected with the first bulge structure 21 and the second bulge structure 22 of the reset ring 2, and voltage jump edge signals are regularly generated; the inner ring layer contact spring piece 43 is periodically contacted with or disconnected from the third bulge structure 23 and the fourth bulge structure 24 of the reset ring 2, voltage jump edge signals are regularly generated, the controller 4 detects the voltage jump edge signals generated on the outer ring layer contact spring piece 41 and the inner ring layer contact spring piece 43 through the 1#PIN and the 2#PIN, and after processing, the washing motor 51 is controlled to finish spraying liquid on the second scraping area 32 when the wiper runs in various situations, so that waste of washing liquid is reduced, and dry scraping of wiper blades is reduced.

It will be appreciated that the plurality of protruding structures of a set of communicating members may correspond to one complete running cycle of the wiper blade in the up-down direction, and in other embodiments of the present application, the communicating members may be arranged in a plurality of groups, as long as each group of communicating members corresponds to the complete running cycle of the wiper blade.

As shown in fig. 1, 4 and 5, further, the reset ring 2 is fixedly connected with a fixed hook 26, the output shaft of the wiper motor 1 is in transmission connection with a motor turbine 11, a matching hole 111 is formed in the motor turbine 11, and the reset ring 2 is fixedly installed in the matching hole 111 through the fixed hook 26, so that the motion of the reset ring 2 is further matched with the motion of the wiper.

In this embodiment, the controller 4 is further connected with a switch control module 6, where the switch control module 6 includes a washing switch 61, a low-speed wiper switch 62 and a high-speed wiper switch 63, and the washing switch 61, the low-speed wiper switch 62 and the high-speed wiper switch 63 are connected to different pins on the controller 4.

In the present embodiment, the liquid spray assembly includes a washing motor 51 and a wiper arm nozzle 52, the washing motor 51 is electrically connected with the controller 4, the washing motor 51 is connected with a washing pipe 53, and the wiper arm nozzle 52 is provided on the wiper blade and communicates with the washing pipe 53. In the running process of the wiper, the controller 4 detects voltage jump edge signals generated on the outer ring layer contact spring piece 41 and the inner ring layer contact spring piece 43 through the 1#PIN and the 2#PIN at the same time, and controls the washing motor 51 to run to the second wiping area 32 to finish spraying liquid under various situations after processing.

The wiper spray control equipment of the application has 9 working states of two working modes, and is described as follows:

the wiper sprays liquid at low speed:

as shown in fig. 6, when the wiper is stopped, the outer ring layer contact spring 41 does not contact the reset ring 2, the intermediate layer contact spring 42 contacts the intermediate layer of the reset ring 2, and the inner ring layer contact spring 43 contacts the fifth bump structure 25. When the washing switch 61 is connected with the low-speed wiper switch 62, the wiper starts to work, the controller 4 detects the ground connection condition of the outer layer contact spring 41 and the inner layer contact spring 43 and the middle layer contact spring 42 through the 2#PIN and the 1#PIN at the same time, and counts jump edge signals detected by the 1#PIN and the 2#PIN based on the current position.

As shown in fig. 7, when the washing switch 61 is connected to the low-speed wiper switch 62, the wiper moves upward, after the wiper leaves the reset area, when the outer ring layer contact spring 41 contacts the first protrusion structure 21 on the reset ring 2, the middle layer contact spring 42 contacts the middle layer of the reset ring 2, and when the inner ring layer contact spring 43 does not contact the reset ring 2, the controller 4 detects a falling edge signal for the first time through the 1#pin, and detects a high level signal through the 2#pin, then the washing motor 51 is driven to pump the washing liquid and transmit the wiper arm nozzle 52 through the washing pipeline 53, the wiper arm nozzle 52 sprays the washing liquid to the second wiper area 32 of the wiper track on the windshield, and the wiper continues to move upward, and meanwhile, the wiper arm nozzle 52 continuously sprays the liquid.

As shown in fig. 8, when the washing switch 61 is connected to the low-speed wiper switch 62, the wiper moves upward, after leaving the reset area, the outer ring layer contact spring 41 does not contact the first protrusion structure 21 on the reset ring 2, the middle layer contact spring 42 contacts the middle layer of the reset ring 2, and when the inner ring layer contacts the inner ring layer of the reset ring 2, the controller 4 detects the rising edge signal for the first time through the 1#pin and detects the low level signal through the 2#pin, the power supply end of the washing motor 51 is turned off, the washing motor 51 stops working, the wiper arm nozzle 52 stops spraying liquid, the upward spraying operation is completed, and the wiper continues to move upward.

As shown in fig. 9, when the washing switch 61 is connected to the low-speed wiper switch 62, the wiper descends, after leaving the reset area, the outer ring layer contact spring 41 contacts the second protrusion 22 on the reset ring 2, the middle layer contact spring 42 contacts the middle layer of the reset ring 2, and when the inner ring layer contact spring 43 does not contact the inner ring layer of the reset ring 2, the controller 4 detects the falling edge signal for the second time through the 1#pin, and detects the high level signal through the 2#pin, then the washing motor 51 is driven to pump the washing liquid and transmit the washing liquid to the wiper arm nozzle 52 through the washing pipeline 53, the wiper arm nozzle 52 sprays the washing liquid to the second wiper area 32 in the wiper track on the windshield glass, and the wiper continues to operate downwards, and meanwhile, the nozzle continuously sprays the liquid.

As shown in fig. 10, when the washing switch 61 is connected to the low-speed wiper switch 62, the wiper descends, after leaving the reset area, the outer ring layer contact spring 41 does not contact the second protrusion structure 22 on the reset ring 2, the middle layer contact spring 42 contacts the middle layer of the reset ring 2, and when the inner ring layer contacts the inner ring layer of the reset ring 2, the controller 4 detects the rising edge signal for the second time through the 1#pin, and simultaneously detects the low-level signal through the 2#pin, the power supply end of the washing motor 51 is disconnected, the washing motor 51 stops working, the wiper arm nozzle 52 stops spraying liquid, the upward spraying action is completed, and the wiper continues to work downwards.

If the liquid is sprayed only in 1 period, when the washing switch 61 is disconnected from the low-speed wiper switch 62, and the wiper leaves the reset area, the controller 4 detects a high level signal through the 1# pin, and simultaneously detects a falling edge signal through the 2# pin for the third time, the power supply end of the wiper is immediately disconnected to stop the wiper, as shown in fig. 6.

If the number of liquid spraying periods exceeds 1, after the wiper leaves the reset area in each liquid spraying period, the controller 4 detects a high level signal through the 1# pin, and simultaneously clears the counter after detecting a falling edge signal for the third time through the 2# pin, and the next liquid spraying period starts to count again, and then the actions of fig. 7 to 10 are repeated until the washing switch 61 is disconnected from the low-speed wiper switch 62, and the wiper stops working.

The wiper sprays liquid at high speed:

As shown in fig. 11, when the washing switch 61 is turned on with the high-speed wiper switch 63, the wiper moves upward, after leaving the reset area, the outer ring layer contact spring 41 contacts with the outer ring layer on the reset ring 2, the middle layer contact spring 42 contacts with the middle layer on the reset ring 2, and when the inner ring layer contacts with the third bump structure 23 on the reset ring 2 of the reset ring 2, the controller 4 detects the falling edge signal for the first time through the 2#pin, and detects the low level signal through the 1#pin, the washing motor 51 is driven to pump the washing liquid and transmit the washing liquid to the wiper arm nozzle 52 through the washing pipeline 53, the wiper arm nozzle 52 sprays the washing liquid to the second wiper area 32 in the wiper track on the windshield glass, and the wiper continues to move upward, and the wiper arm nozzle 52 continuously sprays the liquid.

As shown in fig. 12, when the washing switch 61 is turned on with the high-speed wiper switch 63, the wiper moves upward, after leaving the reset area, the outer ring layer contact spring 41 does not contact with the outer ring layer on the reset ring 2, the middle layer contact spring 42 contacts with the middle layer on the reset ring 2, and the inner ring layer does not contact with the third bump structure 23 on the reset ring 2 of the reset ring 2, the controller 4 detects the rising edge signal for the first time through the 2#pin, and detects the high level signal through the 1#pin, the power supply end of the washing motor 51 is turned off, the washing motor 51 stops working, the wiper arm nozzle 52 stops spraying liquid, the upward spraying action is completed, and the wiper continues to move upward, as shown in fig. 12.

As shown in fig. 13, when the washing switch 61 is connected to the high-speed wiper switch 63, the wiper descends, after leaving the reset area, the outer ring layer contact spring 41 contacts with the outer ring layer on the reset ring 2, the middle layer contact spring 42 contacts with the middle layer on the reset ring 2, and when the inner ring layer contacts with the fourth bump structure 24 on the reset ring 2 of the reset ring 2, the controller 4 detects the falling edge signal for the second time through the 2#pin, and detects the low level signal through the 1#pin, the washing motor 51 is driven to pump the washing liquid and transmit the washing liquid to the wiper arm nozzle 52 through the washing pipeline 53, the wiper arm nozzle 52 sprays the washing liquid to the second wiper area 32 in the wiper track on the windshield glass, and the wiper continues to operate downwards, and meanwhile, the nozzle continuously sprays the liquid.

As shown in fig. 14, when the washing switch 61 is turned on with the high-speed wiper switch 63, the wiper descends, after leaving the reset area, the outer ring layer contact spring 41 does not contact with the outer ring layer on the reset ring 2, the middle layer contact spring 42 contacts with the middle layer of the reset ring 2, and the inner ring layer does not contact with the fourth bump structure 24 on the reset ring 2 of the reset ring 2, the controller 4 detects the rising edge signal for the second time through the 2#pin, and detects the high level signal through the 1#pin, the power supply end of the washing motor 51 is disconnected, the washing motor 51 stops working, the wiper arm nozzle 52 stops spraying liquid, the descending spraying action is completed, and the wiper continues to work downwards.

If the liquid is sprayed only in 1 period, when the washing switch 61 is disconnected from the high-speed wiper switch 63, and the wiper leaves the reset area, the controller 4 detects a high level signal through the 1# pin, and simultaneously detects a falling edge signal through the 2# pin for the third time, the power supply end of the wiper is immediately disconnected to stop the wiper, as shown in fig. 6.

If the number of liquid spraying periods exceeds 1, after the wiper leaves the reset area in each liquid spraying period, the controller 4 detects a high level signal through the 1# pin, and simultaneously clears the counter after detecting a falling edge signal for the third time through the 2# pin, the next liquid spraying period starts to count again, and then the actions of fig. 11 to 14 are repeated until the washing switch 61 is disconnected from the high-speed wiper switch 63, and the wiper stops working.

A vehicle includes a vehicle body and the wiper spray control apparatus described above, the wiper spray control apparatus being provided on the vehicle body.

The wiper spray control device and the vehicle provided by the application are described in detail. The description of the specific embodiments is only intended to aid in understanding the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.

Claims

1. A wiper spray control apparatus characterized in that: comprising the following steps:

a wiper motor (1), the wiper motor (1) being drivingly connected to the wiper;

the reset ring (2) is in transmission connection with the output shaft of the wiper motor (1);

a controller (4), wherein the controller (4) is connected with a contact assembly, and the contact assembly can be contacted with or disconnected from the reset ring (2);

the liquid spraying assembly is electrically connected with the controller (4) and is connected with the windscreen wiper;

at least one group of communicating pieces are arranged on the reset ring (2), the communicating pieces are periodically contacted with or disconnected from the contact assembly, and the liquid spraying assembly is used for spraying liquid to a target liquid spraying area of the scraping and brushing area (3) of the windscreen wiper.

2. The wiper spray control apparatus according to claim 1, wherein: the reset ring (2) is provided with an outer ring layer, an intermediate layer and an inner ring layer from outside to inside; the communication piece comprises a first bulge structure (21), a second bulge structure (22), a third bulge structure (23) and a fourth bulge structure (24); the first protruding structure (21) and the second protruding structure (22) are arranged on the outer ring layer, and the third protruding structure (23) and the fourth protruding structure (24) are arranged on the inner ring layer.

3. The wiper spray control apparatus according to claim 1, wherein: the scraping and brushing areas comprise a first scraping and brushing area (31), a second scraping and brushing area (32) and a third scraping and brushing area (33), and the second scraping and brushing area (32) is the target liquid spraying area.

4. A wiper spray control apparatus according to claim 2, characterized in that: the contact assembly comprises an outer ring layer contact spring piece (41), an intermediate layer contact spring piece (42) and an inner ring layer contact spring piece (43), wherein the outer ring layer contact spring piece (41) and the inner ring layer contact spring piece (43) are connected with the controller (4), and the intermediate layer contact spring piece (42) is normally grounded.

5. The wiper spray control apparatus according to claim 4, wherein: the middle layer contact spring piece (42) is in contact with the middle layer, in the rotating process of the reset ring (2), the outer ring layer contact spring piece (41) is periodically contacted with the first protruding structure (21) and the second protruding structure (22), and the inner ring layer contact spring piece (43) is periodically contacted with the third protruding structure (23) and the fourth protruding structure (24) of the inner ring layer.

6. A wiper spray control apparatus according to claim 2, characterized in that: the communication piece further comprises a fifth protruding structure (25), and the fifth protruding structure (25) is arranged on the inner ring layer.

7. The wiper spray control apparatus according to claim 1, wherein: the spray assembly comprises a washing motor (51) and a scraping arm nozzle (52), the washing motor (51) is connected with a washing pipeline (53), and the scraping arm nozzle (52) is arranged on the windscreen wiper and is communicated with the washing pipeline (53).

8. The wiper spray control apparatus according to claim 1, wherein: still include switch control module (6), switch control module (6) are including washing switch (61), low-speed windscreen wiper switch (62) and high-speed windscreen wiper switch (63), washing switch (61), low-speed windscreen wiper switch (62) and high-speed windscreen wiper switch (63) respectively with controller (4) link to each other.

9. The wiper spray control apparatus according to claim 1, wherein: the wiper is characterized in that the reset ring (2) is fixedly connected with a fixed hook (26), a motor turbine (11) is connected to an output shaft of the wiper motor (1) in a transmission mode, a matching hole (111) is formed in the motor turbine (11), and the reset ring (2) is fixedly installed in the matching hole (111) through the fixed hook (26).

10. A vehicle, characterized in that: a wiper spray control apparatus comprising a vehicle body and any one of claims 1 to 7, the wiper spray control apparatus being provided on the vehicle body.