CN210027354U - Water spray control device of water spray wiper - Google Patents

Abstract

The utility model discloses a water spray control device of water spray windscreen wiper, including on-vehicle controller, the spray pump, a power supply, dial shelves switch, windscreen wiper motor, first contact, second contact, third contact, first conducting strip, second conducting strip and third conducting strip, the main shaft of windscreen wiper motor is connected with the insulating disc, first conducting strip, second conducting strip and third conducting strip are all fixed to be set up on the insulating disc, and first conducting strip and third conducting strip all are conductively connected with the second conducting strip, first contact connection on-vehicle controller and power, the second contact links to each other with the power, third contact, the spray pump, dial shelves switch and power series connection; the second conducting plate is in a sector ring shape or a circular ring shape, the third conducting plate is in a sector ring shape, the central angle of the third conducting plate is smaller than or equal to 180 degrees, and the first conducting plate is located at one end of the third conducting plate. The utility model discloses a windscreen wiper just sprays water when upwards rotating, does not spray water when downwards rotating to avoided the water spray volume too big and influenced the field of vision.

Description

Water spray control device of water spray wiper

Technical Field

The utility model relates to a car windscreen wiper field, concretely relates to water spray control device of water spray windscreen wiper.

Background

The existing automobile water spraying modes are various, the applicant submits an invention patent application with the application number of CN201910012034.5 in 2019, 1 month and 7 days, the water spraying mode of the technology is that the wiper sprays water upwards when moving upwards and sprays water downwards when moving downwards, and the structure is complex, so that the automobile body is greatly changed, the practical engineering application advantage is not obvious, and the automobile water spraying device is simplified on the basis.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a water spray control device of water spray windscreen wiper is provided, water spray when the windscreen wiper upwards rotates, do not spray water in other times, under the prerequisite of guaranteeing good field of vision, simplify the structure.

The utility model provides a technical scheme that technical problem adopted is: the water spray control device of the water spray wiper comprises a vehicle-mounted controller, a water spray pump, a power supply, a shift switch, a wiper motor, a first contact, a second contact, a third contact, a first conducting strip, a second conducting strip and a third conducting strip, wherein a main shaft of the wiper motor is connected with an insulating disc, the first conducting strip, the second conducting strip and the third conducting strip are fixedly arranged on the insulating disc, and the first conducting strip and the third conducting strip are in conductive connection with the second conducting strip; the first contact is capable of contacting the first conductive sheet, the second contact is capable of contacting the second conductive sheet, the third contact is capable of contacting the third conductive sheet,

the first contact is connected with the vehicle-mounted controller and the power supply, the second contact is connected with the power supply, and the third contact, the water spray pump, the gear shifting switch and the power supply are connected in series;

the second conducting strip is in a sector ring shape or a circular ring shape, the third conducting strip is in a sector ring shape, the central angle of the third conducting strip is smaller than or equal to 180 degrees, and the first conducting strip is located at one end of the third conducting strip.

Further, the first conductive sheet, the second conductive sheet and the third conductive sheet are integrally formed.

Furthermore, the second conducting strip is in a fan-shaped ring shape, one end of the second conducting strip is flush with one end of the third conducting strip, and the other end of the second conducting strip is flush with the other end of the third conducting strip.

Further, the central angle of the third conductive sheet is 90 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: the device comprises the following control processes: in an initial state, the first contact is contacted with the first conducting strip, the second contact is contacted with the second conducting strip, the third contact is contacted with the third conducting strip, after the gear shifting switch is closed, the second contact is conducted with the third contact, the water spraying pump is electrified to operate, washing water is sprayed to the glass, and meanwhile, the wiper motor drives the wiper to rotate upwards; the insulating disc drives the first conducting plate, the second conducting plate and the third conducting plate to rotate, and the first contact is separated from the first conducting plate; before the wiper rotates upwards to the limit position, the third contact is separated from the third conducting strip, so that the third contact is disconnected from the second contact, and water spraying is stopped; and the wiper motor continues to move until the wiper motor rotates for a circle, the first contact is contacted with the first conducting strip, the second contact is contacted with the second conducting strip, the first contact is conducted with the second contact, and a reset signal is provided for the vehicle-mounted controller. To sum up, the utility model discloses in, just spray water when the windscreen wiper upwards rotates, do not spray water when rotating downwards to avoid the water spray volume too big and influence the field of vision.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a schematic view when the central angle of the third conductive sheet is 180 degrees;

fig. 3 is a schematic view when the central angle of the third conductive sheet is 90 degrees;

FIG. 4 is a schematic diagram showing the position of the conductive strip in the first half of the upward movement of the wiper;

FIG. 5 is a schematic diagram showing the position of the conductive strip in the second half of the upward movement of the wiper;

FIG. 6 is a schematic view of the position of the conductive strip when the wiper moves downward;

reference numerals: 1-an onboard controller; 2-a water spray pump; 3, a power supply; 4-a gear shifting switch; 5-wiper motor; 6-a first contact; 7 — a second contact; 8-a third contact; 9 — a first conductive sheet; 10-a second conductive sheet; 11 — a third conductive sheet; 12-insulating disc.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The water spray control device of the water spray wiper of the utility model, as shown in fig. 1, fig. 2 and fig. 3, comprises a vehicle-mounted controller 1, a water spray pump 2, a power supply 3, a shift switch 4, a wiper motor 5, a first contact 6, a second contact 7, a third contact 8, a first conducting strip 9, a second conducting strip 10 and a third conducting strip 11, wherein, the vehicle-mounted controller 1, the water spray pump 2, the power supply 3 and the shift switch 4 all adopt the prior art, the main shaft of the wiper motor 5 is connected with an insulating disc 12, the insulating disc 12 can adopt a plastic disc, and is fixedly installed at the end part of the main shaft of the wiper motor 5 by encapsulation and injection molding, the first conducting strip 9, the second conducting strip 10 and the third conducting strip 11 are all fixedly arranged on the insulating disc 12, specifically, the first conducting strip 9, the second conducting strip 10 and the third conducting strip 11 can be embedded into the insulating disc 12, or may be connected to the insulating disk 12 by a connector. The first conducting strip 9 and the third conducting strip 11 are both in conducting connection with the second conducting strip 10. The first contact 6, the second contact 7 and the third contact 8 are fixedly arranged on the body of the wiper motor 5 or an automobile part outside the wiper motor 5, the first contact 6 can be contacted with the first conducting strip 9, the second contact 7 can be contacted with the second conducting strip 10, and the third contact 8 can be contacted with the third conducting strip 11. When the first contact 6 is in contact with the first conductive sheet 9 and the second contact 7 is in contact with the second conductive sheet 10, the first contact 6 can be conducted with the second contact 7, and when the second contact 7 is in contact with the second conductive sheet 10 and the third contact 8 is in contact with the third conductive sheet 11, the second contact 7 can be conducted with the third contact 8. Therefore, the first contact 6, the second contact 7, the third contact 8, the first conductive plate 9, the second conductive plate 10 and the third conductive plate 11 can be used as a switch mechanism to control the on/off of the water jet pump 2 and the receiving of the reset signal, specifically:

the first contact 6 is connected with the vehicle-mounted controller 1 and the power supply 3, the second contact 7 is connected with the power supply 3, and the third contact 8, the water spray pump 2, the gear shifting switch 4 and the power supply 3 are connected in series. The reset signal input interface of the vehicle-mounted controller 1 is connected with the first contact 6, the anode of the power supply 3 is also connected with the first contact 6, the second contact 7 is connected with the cathode of the power supply 3, and the third contact 8, the water spray pump 2, the gear shifting switch 4 and the anode of the power supply 3 are sequentially connected. When the first contact 6 and the second contact 7 are conducted, a reset signal is generated, and the vehicle-mounted controller 1 can control the wiper motor 5 to reset after receiving the reset signal. When the second contact 7 and the third contact 8 are conducted and the gear shifting switch 4 is closed, the water spraying pump 2 is electrified to operate and drives the washing water to spray to the glass.

In order to realize that the wiper sprays water when moving upwards and does not spray water when moving downwards, the second conducting strip 10 is in a fan-shaped or ring shape, the third conducting strip 11 is in a fan-shaped ring shape, and the circle centers of the third conducting strip 11 and the second conducting strip 10 are positioned on the central line of the main shaft of the wiper motor 5. The central angle of the third conductive plate 11 is less than or equal to 180 degrees, and the first conductive plate 9 is located at one end of the third conductive plate 11. Since the reset signal is generated as long as the first contact 6 and the second contact 7 are conducted, the reset signal is not a continuous signal, and the first contact 6 and the second contact 7 do not need to be conducted for a long time, the length of the first conductive plate 9 is short. The second conductive plate 10 has a sufficient length, and may be circular or fan-shaped, when it is fan-shaped, one end of the second conductive plate 10 is flush with one end of the third conductive plate 11, and the other end of the second conductive plate 10 is flush with the other end of the third conductive plate 11, so that the second contact 7 is in contact with the second conductive plate 10 while the third contact 8 is in contact with the third conductive plate 11, so that the second contact 7 is in conduction with the third contact 8. Starting from the initial state, the wiper motor 5 rotates a half turn, the wiper rotates upward to the extreme position, the wiper motor 5 rotates a half turn again, and the wiper rotates downward to the initial position. Therefore, the central angle of the third conductive sheet 11 is set to be less than or equal to 180 degrees, as shown in fig. 2, when the central angle of the third conductive sheet 11 is set to be 180 degrees or slightly less than 180 degrees, and in an initial state, the first contact 6 is in contact with the first conductive sheet 9, the second contact 7 is in contact with the second conductive sheet 10, and the third contact 8 is in contact with the third conductive sheet 11, during the upward rotation of the wiper, the second contact 7 is in conduction with the third contact 8, the water spray pump 2 is powered on to spray water, and during the downward rotation of the wiper, the third contact 8 is separated from the third conductive sheet 11, the second contact 7 is disconnected from the third contact 8, and the water spray is stopped. In order to further reduce the water spraying amount, as shown in fig. 3, the central angle of the third conductive sheet 11 is set to be about 90 degrees, at this time, the third contact 8 of the first half of the upward movement of the wiper contacts with the third conductive sheet 11, the second contact 7 contacts with the second conductive sheet 10, and the water spraying pump 2 is electrified to spray water; in the latter half of the upward movement of the wiper and the whole downward movement of the wiper, the third contact 8 is separated from the third conductive plate 11, and the water spraying is stopped.

The first conducting plate 9, the second conducting plate 10 and the third conducting plate 11 may be independent parts, and the first conducting plate 9 and the second conducting plate 10 and the third conducting plate 11 may be connected by a wire or a connecting plate, preferably, the first conducting plate 9, the second conducting plate 10 and the third conducting plate 11 are integrally formed, so that the integral installation is facilitated.

The device comprises the following control processes: in an initial state, as shown in fig. 3, the first contact 6 is in contact with the first conducting strip 9, the second contact 7 is in contact with the second conducting strip 10, the third contact 8 is in contact with the third conducting strip 11, after the shift switch 4 is closed, the second contact 7 is conducted with the third contact 8, as shown in fig. 4, the water spray pump 2 is electrified to operate, so that washing water is sprayed to the glass, and meanwhile, the wiper motor 5 drives the wiper to rotate upwards; the insulating disc 12 drives the first conducting strip 9, the second conducting strip 10 and the third conducting strip 11 to rotate, the first contact 6 is separated from the first conducting strip 9, when the wiper blade rotates upwards to about half of the upper stroke, the third contact 8 is separated from the third conducting strip 11, as shown in fig. 5, the third contact 8 is disconnected from the second contact 7, and water spraying is stopped. The wiper motor 5 continues to move, the third contact 8 and the third conductive plate 11 are kept in a separated state, as shown in fig. 6, until the wiper motor rotates for one circle, the first contact 6 is contacted with the first conductive plate 9, the second contact 7 is contacted with the second conductive plate 10, the first contact 6 is conducted with the second contact 7, and a reset signal is provided for the vehicle-mounted controller 1. To sum up, the utility model discloses in, the windscreen wiper just sprays water during the first half of upward pivoted, does not spray water during the latter half of upward pivoted and downward rotation to avoided the water spray volume too big and influenced the field of vision. After the gear shifting switch 4 is switched off, the vehicle-mounted controller 1 controls the wiper motor 5 to continue to move for 2 to 4 circles, so that the wiper continues to move for 2 to 4 cycles, and water on the glass is scraped completely.

Claims (4)

1. The water spray control device of the water spray wiper comprises a vehicle-mounted controller (1), a water spray pump (2), a power supply (3), a gear shifting switch (4), a wiper motor (5), a first contact (6), a second contact (7), a third contact (8), a first conducting strip (9), a second conducting strip (10) and a third conducting strip (11), wherein a main shaft of the wiper motor (5) is connected with an insulating disc (12), the first conducting strip (9), the second conducting strip (10) and the third conducting strip (11) are fixedly arranged on the insulating disc (12), and the first conducting strip (9) and the third conducting strip (11) are in conductive connection with the second conducting strip (10); the first contact (6) can be in contact with a first conducting strip (9), the second contact (7) can be in contact with a second conducting strip (10), and the third contact (8) can be in contact with a third conducting strip (11), characterized in that:

the first contact (6) is connected with the vehicle-mounted controller (1) and the power supply (3), the second contact (7) is connected with the power supply (3), and the third contact (8), the water spray pump (2), the gear shifting switch (4) and the power supply (3) are connected in series;

the second conducting strip (10) is in a fan-shaped or circular ring shape, the third conducting strip (11) is in a fan-shaped ring shape, the central angle of the third conducting strip (11) is smaller than or equal to 180 degrees, and the first conducting strip (9) is located at one end of the third conducting strip (11).

2. The water spray control device of a water spray wiper according to claim 1, wherein the first conductive sheet (9), the second conductive sheet (10) and the third conductive sheet (11) are integrally formed.

3. The sprinkler control device of claim 1, wherein the second conductive sheet (10) is fan-shaped, and one end of the second conductive sheet (10) is flush with one end of the third conductive sheet (11), and the other end of the second conductive sheet (10) is flush with the other end of the third conductive sheet (11).

4. The water spray control device of a water jet wiper according to claim 1, wherein the central angle of the third conductive sheet (11) is 90 degrees.

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