JP5956376B2 - Vehicle cleaning device - Google Patents

Description

  The present invention relates to a vehicle cleaning device.

  In recent years, with the widespread use of car navigation, when a vehicle is moved backward, the situation behind the vehicle can be photographed with an in-vehicle camera placed at the rear of the vehicle, and the photographed image can be displayed on a car navigation monitor for confirmation. What is made is known. However, since this in-vehicle camera is arranged outside the vehicle, there is a problem in that if mud or the like adheres to the lens, the situation behind the vehicle cannot be sufficiently photographed and is difficult to confirm.

  In view of this, there has been proposed a vehicular cleaning apparatus provided with a camera cleaning nozzle that sprays a cleaning liquid onto a lens of an in-vehicle camera to remove deposits (for example, see Patent Document 1). In the vehicle cleaning device described in Patent Document 1, a main pipe connects an electric pump for feeding cleaning liquid stored in a tank at the front of the vehicle to a rear window cleaning nozzle at the rear of the vehicle. The branch pipe branched from was connected to the camera cleaning nozzle. And it is possible to provide the switching part (for example, refer patent document 2) which can selectively switch the flow path of the washing | cleaning liquid from an electric pump in the branch part of this main piping and branch piping.

JP 2011-245989 A Japanese Utility Model Publication No. 61-85781

  By the way, in general, an in-vehicle camera disposed at the rear of the vehicle captures an image when the shift lever is in the reverse drive position. Therefore, it is desirable to switch the switching device to the camera washing nozzle side when the back lamp is turned on. However, the back lamp is generally provided on the vehicle body side, and the camera cleaning nozzle is generally provided on the back door. Depending on various arrangements, wiring (signal lines) and piping (main piping and branch piping) There is a possibility that the arrangement takes time and the length of these materials becomes long.

  The present invention has been made in order to solve the above-mentioned problems, and its purpose is for a vehicle that can facilitate wiring and piping arrangement work and can shorten the length of the material. It is to provide a cleaning device.

  The invention according to claim 1 is connected to the main pipe connected to the electric pump, and connected to the rear window cleaning nozzle for injecting the fed cleaning liquid to the rear window, and the branch pipe branched from the main pipe The cleaning liquid supplied from the electric pump is provided at a branch portion of the main pipe and the branch pipe, and a camera cleaning nozzle for injecting the fed cleaning liquid onto the imaging surface of the in-vehicle camera disposed at the rear of the vehicle A switching device that can selectively switch the flow path to the rear window cleaning nozzle side or the camera cleaning nozzle side, a back lamp that lights when the shift lever is in the reverse position, and the shift lever is in the reverse position And a control device for switching the switching device from the rear window cleaning nozzle side to the camera cleaning nozzle side based on The cleaning device and gist for digit vehicle.

  According to this configuration, since the rear window cleaning nozzle, the camera cleaning nozzle, the switching device, the back lamp, and the control device are all provided on the back door, when any of them is provided on the vehicle body side Compared to this, the distance for branching the wiring and piping can be shortened. Therefore, the arrangement work of wiring and piping (main piping and branch piping) can be facilitated and the lengths of those materials can be shortened.

  According to a second aspect of the present invention, in the vehicular cleaning apparatus according to the first aspect, the control device also drives and controls a rear wiper motor, and the rear wiper motor is provided on the back door. The gist.

According to this configuration, since the rear wiper motor that is driven and controlled by the control device is also provided in the back door, the wiring connecting the control device and the rear wiper motor can be shortened.
A third aspect of the present invention is the vehicle cleaning apparatus according to the first or second aspect, wherein at least a part of the branch pipe is disposed along a wiring connected to the back lamp. To do.

  According to the same configuration, at least a part of the branch pipe is arranged along the wiring connected to the back lamp. For example, in the portion along the line, the arrangement space of the wiring connected to the back lamp and the branch pipe is reduced. It can be made common, and the arrangement work to those arrangement spaces can be facilitated. In addition, for example, by arranging the wiring connected to the back lamp and the branch pipe and supporting each other, the arrangement work in the arrangement space can be further facilitated.

  According to a fourth aspect of the present invention, in the vehicular cleaning apparatus according to any one of the first to third aspects, the control device includes a rotating connection portion of the back door with the vehicle body, the rear window, The main point is that it is arranged at a position between.

  According to this configuration, since the control device is disposed at a position between the rear connecting portion of the back door and the vehicle body, the distance from the rotating connecting portion is shortened, and the back door is opened and closed. Sometimes the impact on the control device can be reduced.

  A fifth aspect of the present invention is the vehicle cleaning apparatus according to any one of the second aspect, the third aspect dependent on the second aspect, and the fourth aspect dependent on the second aspect. Is summarized in that it is housed in a motor case constituting a part of the rear wiper motor.

  According to this configuration, since the control device is housed in a motor case that forms a part of the rear wiper motor, for example, a dedicated arrangement space for the control device is independent of the arrangement space of the rear wiper motor. There is no need to provide (separately). Further, the wiring for electrically connecting the control device and the rear wiper motor externally becomes unnecessary, and the arrangement work of the wiring can be avoided. Further, an independent case is not required, and for example, the number of parts can be reduced.

  A sixth aspect of the present invention is the vehicle cleaning apparatus according to any one of the second aspect, the third aspect dependent on the second aspect, and the fourth aspect dependent on the second aspect. Is summarized as being externally fixed to a motor case constituting a part of the rear wiper motor.

  According to this configuration, since the control device is externally fixed to the motor case that constitutes a part of the rear wiper motor, for example, a dedicated arrangement space for the control device is independent of the arrangement space of the rear wiper motor. There is no need to provide (separately). Further, the wiring for electrically connecting the control device and the rear wiper motor externally becomes unnecessary, or the wiring can be made extremely short, and the arrangement work of the wiring on the vehicle can be avoided.

  According to a seventh aspect of the present invention, in the vehicle cleaning device according to any one of the first to sixth aspects, the camera cleaning nozzle, the switching device, and the control device are provided so as not to be visible from the rear of the vehicle. The gist is that

  According to this configuration, the camera cleaning nozzle, the switching device, and the control device are provided so as not to be visible from the rear of the vehicle, so that they can be prevented from deteriorating the appearance of the vehicle.

  ADVANTAGE OF THE INVENTION According to this invention, in the washing | cleaning apparatus for vehicles, arrangement | positioning work of wiring and piping can be made easy, and the length of those materials can be shortened.

The schematic block diagram of the vehicle provided with the washing | cleaning apparatus for vehicles of this embodiment. The schematic circuit diagram of the vehicle provided with the washing | cleaning apparatus for vehicles in another example. The schematic circuit diagram of the vehicle provided with the washing | cleaning apparatus for vehicles in another example.

Hereinafter, an embodiment of a vehicle cleaning apparatus of the present invention will be described with reference to FIG.
As shown in FIG. 1, the vehicle 1 is provided with a shift lever 3 of a transmission 2 next to the driver's seat, and the vehicle 1 shifts by operating the shift lever 3. When the shift lever 3 is operated to the first speed position, the transmission 2 shifts the speed ratio of the vehicle 1 to the first speed. When the shift lever 3 is operated to the second speed position, the transmission 2 shifts the gear ratio of the vehicle 1 to the second speed. When the shift lever 3 is operated to the neutral position, the transmission 2 shifts the speed ratio of the vehicle 1 to neutral.

  Further, when the shift lever 3 is operated to the reverse position (reverse position), the transmission 2 causes the vehicle 1 to move backward (reverse drive is possible). At this time, the back lamp BL provided at the rear portion of the vehicle 1 is lit while the shift lever 3 is being shifted to the reverse position (reverse position). Here, the back lamp BL is provided on the back door 4 of the vehicle 1. Specifically, the back door 4 according to the present embodiment is connected by a pair of hinges 6 on the upper end side of the vehicle body 5, and that portion is a rotation connection portion that can be rotated with respect to the vehicle body 5. It is possible. A rear window 7 is provided on the upper side of the back door 4, and the back lamp BL of this embodiment is provided below the rear window 7 in the back door 4. The back lamp BL is connected to the shift lever 3 via the wiring H1, and when the shift lever 3 is moved to the reverse position, power is supplied via the wiring H1 to light up.

The console panel of the vehicle 1 is provided with a display DSP that is used for displaying the current position and other maps in the navigation device.
A rear wiper device 8 is provided above the rear window 7 in the back door 4 of the vehicle 1. The rear wiper device 8 has a rear wiper motor M1 disposed between an outer panel 4a and an inner panel (not shown) of the back door 4, and a rear wiper 9 fixed to the output shaft of the rear wiper motor M1 exposed from the outer panel 4a. When the rear wiper motor M1 is driven, the wiping surface of the rear window 7 is wiped by the rear wiper 9.

  A rear window cleaning nozzle N1 is provided above the rear window 7 in the back door 4 of the vehicle 1. The rear window cleaning nozzle N1 has its nozzle port directed to the lower rear window 7, and the supplied cleaning liquid is sprayed from the nozzle port onto the wiping surface of the rear window 7.

  The rear window cleaning nozzle N <b> 1 is connected to the electric pump P provided in the front engine room of the vehicle 1 via the main pipe 10. The electric pump P is a pump that feeds the cleaning liquid stored in the tank T similarly provided in the engine room to the rear window cleaning nozzle N1 through the main pipe 10. When the wiper washer switch SW1 provided in the driver's seat is operated, the electric pump P feeds the cleaning liquid from the tank T to the rear window cleaning nozzle N1 via the main pipe 10.

  An in-vehicle camera 11 for a back monitor is installed below the rear window 7 in the back door 4 of the vehicle 1. In the present embodiment, the in-vehicle camera 11 is a rear view camera for visually recognizing rearward, and an image captured by the in-vehicle camera 11 is output as image data to a display DSP provided on the console panel of the vehicle 1. The display DSP displays an image captured by the in-vehicle camera 11 on the screen based on the image data.

  When the shift lever 3 of the transmission 2 is operated to the reverse position (reverse position), the in-vehicle camera 11 starts an imaging operation and outputs the image data to the display DSP. Further, when the shift lever 3 is shifted from the reverse position (reverse position) to another position, the in-vehicle camera 11 ends the imaging operation.

  A camera cleaning nozzle N2 is provided above the vehicle-mounted camera 11 in the back door 4 and between the outer panel 4a and the rear garnish 4b in the vehicle front-rear direction. The camera cleaning nozzle N2 has its nozzle port directed to the glass window 11a provided to protect the lens of the vehicle-mounted camera 11 from mud, dust, dust, etc., and the cleaning liquid fed from the nozzle port to the vehicle-mounted camera 11 glass windows 11a.

  The camera cleaning nozzle N2 is connected to a branch pipe 12 branched from the main pipe 10 connecting the electric pump P and the rear window cleaning nozzle N1. An electromagnetic switching valve B as a switching device is provided at a branch portion where the branch pipe 12 branches from the main pipe 10. The electromagnetic switching valve B is located above the rear window 7 in the back door 4 and is disposed between the outer panel 4a and the inner panel (not shown) of the back door 4. The electromagnetic switching valve B is a valve that can selectively switch the flow path of the cleaning liquid supplied from the electric pump P to either the rear window cleaning nozzle N1 side or the camera cleaning nozzle N2 side. That is, the main pipe 10 includes a first main pipe 10a that connects the electric pump P and the electromagnetic switching valve B, and a second main pipe 10b that connects the electromagnetic switching valve B and the rear window cleaning nozzle N1. The electromagnetic switching valve B selectively connects either the second main pipe 10b or the branch pipe 12 to the first main pipe 10a.

  A control device 13 is provided above the rear window 7 in the back door 4 and between the outer panel 4a and the inner panel (not shown) of the back door 4. The control device 13 switches and controls the electromagnetic switching valve B from the rear window cleaning nozzle N1 side to the camera cleaning nozzle N2 side based on the fact that the shift lever 3 is set to the reverse position. Further, the control device 13 drives and controls the rear wiper motor M1 based on the operation of the wiper washer switch SW1.

  Specifically, the control device 13 is connected to the wiring H1 connected to the back lamp BL, and is connected to the wiper washer switch SW1 via the wiring H2. Further, the control device 13 is connected to the electromagnetic switching valve B via the wiring H3 and is connected to the rear wiper motor M1 via the wiring H4. The wirings H1 and H2 are connected to the control device 13 through a rotation connecting portion, that is, from the upper part of the vehicle body 5 to the upper part of the back door 4. In the present embodiment, the wiring H1 is disposed to the back lamp BL through the left side of the rear window 7 when viewed from the rear of the vehicle. Further, in this embodiment, the branch pipe 12 is also arranged to the camera cleaning nozzle N2 through the left side of the rear window 7 when viewed from the rear of the vehicle, and a common arrangement space along the wiring H1 on the left side of the rear window 7. Is arranged.

Then, the control device 13 supplies electric power to the electromagnetic switching valve B and the rear wiper motor M1 via the wirings H3 and H4 based on signals from the wirings H1 and H2 to control them.
Next, the operation and action of the embodiment (vehicle washing apparatus) configured as described above will be described.

(When the shift lever 3 is in a position other than the reverse position (reverse position))
Now, for example, when the shift lever 3 is in a position other than the reverse drive position (reverse position), the back lamp BL is turned off. In this state, the control device 13 moves the electromagnetic switching valve B to the rear window cleaning nozzle N1 side. To maintain. When the electric pump P is driven based on the operation of the wiper washer switch SW1, the cleaning liquid is jetted from the rear window cleaning nozzle N1 to the rear window 7. When the rear wiper motor M1 is driven based on the operation of the wiper washer switch SW1, the wiping surface of the rear window 7 is wiped by the rear wiper 9.

(When the shift lever 3 is in the reverse position (reverse position))
Now, for example, when the shift lever 3 is in the reverse position (reverse position), the back lamp BL is turned on. In this state, the control device 13 cleans the electromagnetic switching valve B from the rear window cleaning nozzle N1 side to the camera. Switching control is performed to the nozzle N2 side. When the electric pump P is driven based on the operation of the wiper washer switch SW1, the cleaning liquid is sprayed from the camera cleaning nozzle N2 to the glass window 11a of the in-vehicle camera 11, and the glass window 11a is cleaned by the cleaning liquid. . Further, the control device 13 prohibits the driving of the rear wiper motor M1 in a state where the electromagnetic switching valve B is switched to the camera cleaning nozzle N2, and even if the wiper washer switch SW1 is operated in this state, the rear wiper 9 7 is never wiped out.

Next, the characteristic effects of the above embodiment will be described below.
(1) Since the rear window cleaning nozzle N1, the camera cleaning nozzle N2, the electromagnetic switching valve B, the back lamp BL, and the control device 13 are all provided in the back door 4, any one of them is arranged on the vehicle body 5 side. Compared with the case where it provides in, the distance which branches wiring and piping can be shortened. Therefore, the arrangement work of wiring (H1-H3) and piping (main piping 10 and branch piping 12) can be made easy, and the length of those materials can be shortened.

  (2) Since the rear wiper motor M1 that is driven and controlled by the control device 13 is also provided in the back door 4, the wiring H4 that connects the control device 13 and the rear wiper motor M1 can also be shortened.

  (3) The control device 13 prohibits the driving of the rear wiper motor M1 and does not drive the rear wiper motor M1 in a state where the electromagnetic switching valve B is switched to the camera cleaning nozzle N2 side. This prevents the rear wiper 9 from wiping the dry rear window 7 when, for example, the cleaning liquid is sprayed onto the glass window 11a that is the imaging surface of the in-vehicle camera 11 for cleaning.

  (4) A part of the branch pipe 12 is arranged along the wiring H1 connected to the back lamp BL (on the left side of the rear window 7 in the back door 4 when viewed from the rear of the vehicle). The arrangement space of the wiring H1 and the branch pipe 12 can be made common, and the arrangement work to those arrangement spaces can be facilitated. In addition, for example, by arranging the wiring H1 connected to the back lamp BL and the branch pipe 12 to support each other, the arrangement work in the arrangement space can be further facilitated.

  (5) Since the control device 13 is disposed at a position between the rear door 7 and the rotation connection portion (the hinge 6 portion) of the back door 4 with the vehicle body 5, the distance from the rotation connection portion is small. This shortens the impact on the control device 13 when the back door 4 is opened and closed. Further, in the present embodiment, the rear wiper motor M1 and the electromagnetic switching valve B are also arranged at a position between the rotation connecting portion (the hinge 6 portion) and the rear window 7, so that the impact applied when the back door 4 is opened and closed. Can be reduced as well.

  (6) The camera cleaning nozzle N2 is provided between the outer panel 4a and the rear garnish 4b in the vehicle front-rear direction, and the electromagnetic switching valve B and the control device 13 are provided between the outer panel 4a and the inner panel (not shown). It is done. Thus, since the camera washing nozzle N2, the electromagnetic switching valve B, and the control device 13 are provided so as not to be visible from the rear of the vehicle, they can be prevented from deteriorating the appearance of the vehicle.

The above embodiment may be modified as follows.
In the above embodiment, the wiper washer switch SW1 is simply driven by the wiper switch SW1a for driving the rear wiper motor M1 and the electric pump P as shown in FIG. It is also possible to provide an interlocked washer switch SW1b for driving the rear wiper motor M1.

  Specifically, as shown in FIG. 2, the wiper switch SW1a is directly connected to the wiper control circuit 22 housed in the motor case 21 constituting a part (housing) of the rear wiper motor M1 via the wiring H11. Yes. When the wiper switch SW1a is turned on and the drive signal is input, the wiper control circuit 22 supplies a drive current to the armature of the rear wiper motor M1 to drive the rear wiper motor M1, and the rear wiper 9 The wiping surface of 7 is wiped off.

The interlocking washer switch SW1b is connected to the interlocking switch input circuit 23 of the control device 13 via the wiring H2.
The wiring H1 connected to the back lamp BL is connected to a back lamp input circuit 24 of the control device 13.

The control device 13 includes an interlock cancellation circuit 25 and a valve control circuit 26 in addition to the interlock switch input circuit 23 and the back lamp input circuit 24.
The interlock switch input circuit 23 and the back lamp input circuit 24 are connected to the interlock cancel circuit 25. The interlock cancellation circuit 25 is connected to the wiring H4, and the wiring H4 is connected to the wiper control circuit 22 via an input circuit 27 housed in the motor case 21 of the rear wiper motor M1.

  When the information indicating that the interlocked washer switch SW1b is turned on is input from the interlock switch input circuit 23, the interlock cancel circuit 25 receives information indicating that the back lamp BL is in the off state from the back lamp input circuit 24. If so, a drive signal is output to the wiper control circuit 22 via the input circuit 27 of the rear wiper motor M1.

  The interlock cancel circuit 25 also receives information indicating that the back lamp BL is in a lit state when the information indicating that the interlock washer switch SW1b is turned on is input from the interlock switch input circuit 23. Is not output to the wiper control circuit 22 so that the rear wiper motor M1 is not driven.

The back lamp input circuit 24 is connected to the valve control circuit 26. The valve control circuit 26 is connected to the electromagnetic switching valve B via the wiring H3.
The valve control circuit 26 maintains the electromagnetic switching valve B on the rear window cleaning nozzle N1 side when information indicating that the back lamp BL is in the extinguishing state is input from the back lamp input circuit 24. When information indicating that the back lamp BL is lit is input from the back lamp input circuit 24, the valve control circuit 26 moves the electromagnetic switching valve B from the rear window cleaning nozzle N1 side to the camera cleaning nozzle N2 side. Switching control is performed.

  Thus, when the interlocking washer switch SW1b is turned on in a state where the shift lever 3 is in a position other than the reverse drive position (reverse position), the electric pump P is driven and the cleaning liquid is transferred from the rear window cleaning nozzle N1 to the rear window 7. And the rear wiper motor M <b> 1 are driven, and the wiping surface of the rear window 7 is wiped by the rear wiper 9.

  When the interlocking washer switch SW1b is turned on while the shift lever 3 is in the reverse drive position (reverse position), the electric pump P is driven and the cleaning liquid flows from the camera cleaning nozzle N2 to the glass window 11a of the in-vehicle camera 11. The rear wiper motor M1 is not driven and is not driven.

  In FIG. 2, in the above-described embodiment, a pair of power supply lines 28 that are not particularly illustrated and are not mentioned are illustrated, and the power supply lines 28 are connected to the control device 13, the electromagnetic switching valve B, and the rear wiper motor M1, respectively. ing.

  In the above embodiment and another example, the control device 13 is provided separately from the rear wiper motor M1 and is connected to the rear wiper motor M1 via the wiring H4. However, the control device 13 is not limited thereto. May be accommodated in a motor case 21 constituting a part of the rear wiper motor M1.

  Specifically, for example, as shown in FIG. 3, the control device 13 does not have an independent case or the like, and the interlock switch input circuit 23, the back lamp input circuit 24, the interlock cancel circuit 25, The valve control circuit 26 may be accommodated in the motor case 21 of the rear wiper motor M1. In this example, for example, each circuit (the interlock switch input circuit 23, the back lamp input circuit 24, the interlock cancel circuit 25, the valve control circuit 26, and the wiper control circuit 22) is mounted on one circuit board. Housed in the motor case 21. In this example, the input circuit 27 of the other example is not necessary and is omitted.

  In this way, for example, it is not necessary to provide a dedicated arrangement space for the control device 13 independently (separately) from the arrangement space of the rear wiper motor M1. Further, the wiring H4 for electrically connecting the control device 13 and the rear wiper motor M1 externally becomes unnecessary, and the arrangement work of the wiring H4 can be avoided. Further, the control device 13 does not require an independent case, and for example, the number of parts can be reduced.

  Further, for example, as indicated by a two-dot chain line in FIG. 2, the control device 13 may be configured to be externally fixed to the motor case 21 of the rear wiper motor M1 (its own case). In this case, for example, it is not necessary to provide a dedicated arrangement space for the control device 13 independently (separately) from the arrangement space of the rear wiper motor M1. Further, the wiring H4 for electrically connecting the control device 13 and the rear wiper motor M1 to the outside is not required, or the wiring H4 can be made extremely short, and the layout work of the wiring H4 on the vehicle can be avoided. Can do.

  In the above embodiment, the rear wiper motor M1 that is driven and controlled by the control device 13 is also provided in the back door 4. However, the present invention is not limited to this. For example, the rear wiper motor M1 (rear wiper device 8) is not provided. You may change to the washing | cleaning apparatus for vehicles. Of course, including this case, the control device 13 may be a control device that does not perform control such as prohibiting the driving of the rear wiper motor M1 while the electromagnetic switching valve B is switched to the camera cleaning nozzle N2.

  In the above embodiment, a part of the branch pipe 12 is arranged along the wiring H1 connected to the back lamp BL. However, the present invention is not limited to this. For example, the branch pipe 12 is viewed from the rear of the vehicle. A configuration may also be adopted in which the camera cleaning nozzle N2 is disposed through the right side of the rear window 7.

  In the above-described embodiment, the control device 13 is disposed at a position between the rear door 7 and the rotation connection portion (the hinge 6 portion) of the back door 4 with the vehicle body 5, but is not limited thereto. Instead, they may be arranged at other positions in the back door 4. Further, the rear wiper motor M1 (rear wiper device 8), the electromagnetic switching valve B, and the like may be arranged at other positions. For example, the rear wiper motor M <b> 1 may be disposed below the rear window 7 in the back door 4.

  Moreover, in the said embodiment, although it was set as the vehicle 1 which has the rotation connection part (part of hinge 6) in the upper part of the back door 4, it is not limited to this, A rotation connection part (part of hinge 6) is a back door. The present invention may be embodied by being applied to a vehicle on the side portion 4 (end portion in the vehicle width direction). Even in this case, if the control device 13 and the electromagnetic switching valve B are arranged at a position between the rear door 7 and the rotation connecting portion (the end in the vehicle width direction) of the back door 4 with the vehicle body 5, The impact applied when the door 4 is opened and closed can be reduced.

  In the above embodiment, the camera cleaning nozzle N2, the electromagnetic switching valve B, and the control device 13 are provided so as not to be visible from the rear of the vehicle. However, the present invention is not limited thereto, and they may be provided so as to be visible from the rear of the vehicle. Good. For example, only one or two of the camera cleaning nozzle N2, the electromagnetic switching valve B, and the control device 13 may be provided so as not to be visible from the rear of the vehicle. Decreasing the appearance of the vehicle can be suppressed.

  In the above embodiment, the back lamp BL is provided only on the back door 4. However, the present invention is not limited thereto. For example, the vehicle body 5 includes a back lamp having a design that is continuous with the back lamp BL. It is good also as a structure provided in addition.

The technical idea that can be grasped from the above embodiment and other examples will be described below together with the effects thereof.
(A) In the vehicle cleaning device according to claim 2, the control device prohibits driving of the rear wiper motor in a state where the switching device is switched to the camera cleaning nozzle side. Cleaning device.

  According to this configuration, the rear wiper motor is not driven when the switching device is switched to the camera cleaning nozzle side. This prevents the rear wiper from wiping the dry rear window when, for example, the cleaning liquid is sprayed onto the imaging surface of the in-vehicle camera to clean the imaging surface of the in-vehicle camera.

  DESCRIPTION OF SYMBOLS 3 ... Shift lever, 4 ... Back door, 5 ... Vehicle body, 7 ... Rear window, 10 ... Main piping, 11 ... In-vehicle camera, 11a ... Glass window (imaging surface), 12 ... Branch piping, 13 ... Control device, 21 ... Motor case, B ... Electromagnetic switching valve (switching device), P ... Electric pump, BL ... Back lamp, H1 ... Wiring connected to the back lamp, M1 ... Rear wiper motor, N1 ... Rear window cleaning nozzle, N2 ... Camera cleaning nozzle.

Claims (7)

A rear window cleaning nozzle connected to the main pipe connected to the electric pump and for injecting the fed cleaning liquid to the rear window;
A camera cleaning nozzle that is connected to a branch pipe branched from the main pipe and sprays the fed cleaning liquid onto the imaging surface of an in-vehicle camera disposed at the rear of the vehicle;
A switching device that is provided at a branch portion of the main pipe and the branch pipe and that can selectively switch the flow path of the cleaning liquid from the electric pump to the rear window cleaning nozzle side or the camera cleaning nozzle side;
A back lamp that lights when the shift lever is in the reverse position;
A control device for switching and controlling the switching device from the rear window cleaning nozzle side to the camera cleaning nozzle side based on the shift lever being in the reverse position is provided on the back door. Vehicle cleaning device. The vehicle cleaning device according to claim 1,
The control device also controls driving of the rear wiper motor,
A vehicle cleaning apparatus, wherein the rear wiper motor is provided on the back door. The vehicle washing apparatus according to claim 1 or 2,
At least a part of the branch pipe is disposed along a wiring connected to the back lamp. The vehicle washing apparatus according to any one of claims 1 to 3,
The vehicle cleaning apparatus according to claim 1, wherein the control device is disposed at a position between a rotational connection portion of the back door with a vehicle body and the rear window. In the vehicular cleaning device according to any one of claim 2, claim 3 subordinate to claim 2, and claim 4 subordinate to claim 2,
The vehicle cleaning device, wherein the control device is housed in a motor case that constitutes a part of the rear wiper motor. In the vehicular cleaning device according to any one of claim 2, claim 3 subordinate to claim 2, and claim 4 subordinate to claim 2,
The vehicle cleaning apparatus, wherein the control device is externally fixed to a motor case constituting a part of the rear wiper motor. The vehicle washing apparatus according to any one of claims 1 to 6,
The vehicle cleaning device, wherein the camera cleaning nozzle, the switching device, and the control device are provided so as not to be visible from the rear of the vehicle.