JP4877148B2 - Car wash machine control method - Google Patents

Description

  The present invention relates to a control method for a car wash machine, and more particularly to a control method for a lower side surface cleaning brush.

  The lower side cleaning brush (rocker brush) is a pair of left and right brushes that can be opened and closed to brush and clean the lower side of the vehicle to be cleaned and the tire. As disclosed in FIG. 1, it is configured to be able to approach and separate and rotate with respect to the vehicle to be cleaned.

  That is, an arm (swinging arm) that is supported by the main body of the car washer so that it can swing around a rotating shaft fixed to one end, and that supports a rotating brush (brush body) that is driven to rotate by a prime mover at the tip (other end). ) And a spring arm and a cylinder arm are fixed to the rotating shaft. In addition, between the spring arm and the car washer main body, a spring for biasing the rotating brush toward the closing side (direction approaching the vehicle to be cleaned) is stretched according to the spring arm, and between the cylinder arm and the car washer main body. A cylinder that can drive the rotating brush to the opening side (direction to leave the vehicle to be cleaned) is connected in accordance with the cylinder arm.

With the above configuration, the rotating brush is driven to rotate by the prime mover, and when the cylinder is deactivated, the arm is urged and rotated by the spring in the closing direction of the rotating brush, and the rotating brush is in the closed position (direction approaching the vehicle to be cleaned). Is moved toward the vehicle to contact the vehicle to be cleaned, and the lower portion of the side surface of the vehicle to be cleaned is brushed and cleaned by the rotating brush. When the cylinder is actuated, the arm is moved toward the open position (direction away from the vehicle to be cleaned) against the biasing force of the spring, and the brushing cleaning is completed.
JP 2003-220932 A

  As shown in FIG. 7 in a simplified manner, the rocker brush (lower side surface cleaning brush) 71 is in the closed position (close to the vehicle to be cleaned) in the outward path in which the car washer moves to execute the car wash of the vehicle 72 to be cleaned. ), Even if an excessive force is applied between the vehicle 72 to be cleaned and the rotating brush 73, the direction of the force of the arm 74 supporting the rotating brush 73 turns and rotates so as to open with respect to the vehicle 72 to be cleaned. It is attached so that the brush 73 escapes. Due to such mounting, the vehicle to be cleaned 72 is in the closed position (close to the vehicle to be cleaned) during the return path in which the main body of the car wash moves in the direction opposite to the outward path and the vehicle to be cleaned 72 is washed. When an unreasonable force is applied between the rotating brush 73 and the rotating brush 73, the direction of the force is directed to close the arm 74 supporting the rotating brush 73 with respect to the vehicle 72 to be cleaned, and the vehicle 72 to be cleaned or the rocker brush 71 is damaged. There is a fear. For this reason, the rocker brush 71 is kept open in the return path so that brushing is not performed. Therefore, as shown in FIG. 7, the unwashed portion (the rear portion of the tire cover 72b of the vehicle 72 to be washed) that is generated during the forward path is left as it is without being washed, and the washing may be insufficient. there were.

  Therefore, the present invention can drive the lower side cleaning brush on the return path to sufficiently clean the left and right side lower portions of the vehicle to be cleaned, and at this time, avoids damage to the vehicle to be cleaned or the lower side cleaning brush. Is intended to provide.

In order to achieve the above-mentioned object, the invention described in claim 1 of the present invention is moved closer to and away from the lower left and right side surfaces of the vehicle to be cleaned by horizontally turning a turning arm having a rotating brush supported at the tip. A method of controlling a car wash machine, comprising a lower side wash brush configured to be freely configured and for washing lower left and right side face lower parts of the car to be washed with the rotating brush at both lower parts in a car wash machine body, During the relative movement of the main body of the car wash machine, the direction of the force acting on the rotating brush by contact with the vehicle to be cleaned is such that the rotating arm that supports the rotating brush rotates horizontally and the rotating brush escapes. said rotary brush is rotated, said pivot arm to horizontally pivot to approximate the rotary brush to the object to be cleaned vehicle, the rotating brush when cleaning the lateral lower portion of the side surface of the cleaning target vehicle DOO In addition, the distance between the rotating brush and the left and right side surfaces of the vehicle to be cleaned is measured to obtain the shape of the left and right side surfaces of the vehicle to be cleaned, and during the relative movement in the direction opposite to the relative movement, Based on the obtained shape of the left and right side surfaces of the vehicle to be cleaned, the left and right side lower portions of the vehicle to be cleaned are cleaned by performing approach and separation control.

According to the above method, during the relative movement of the vehicle to be cleaned and the car washer main body, the rotating brush of the lower side cleaning brush approaches the vehicle to be cleaned by turning the turning arm and cleans the lower left and right side surfaces of the vehicle to be cleaned. To do. At this time, because the direction of the force acting on the rotating brush by contact with the cleaning vehicle, the rotary brush is rotated so that the swivel arm supporting the rotating brush horizontally turning the rotary brush escape direction There is no risk of damage to the vehicle to be cleaned and the rotating brush. Further, the distance between the rotating brush and the left and right side surfaces of the vehicle to be cleaned is measured, and the shapes of the left and right side surfaces of the vehicle to be cleaned are obtained.

  When the relative movement in the direction opposite to the relative movement is performed, the rotating brush of the lower side surface cleaning brush approaches the vehicle to be cleaned by the turning of the turning arm and cleans the lower left and right side surfaces of the vehicle to be cleaned. Therefore, cleaning by the lower side surface cleaning brush, which has not been performed conventionally, is performed, and cleaning of the remaining portion by relative movement is performed, thereby improving the cleaning power. Further, the rotating brush of the lower side cleaning brush rotates with the vehicle to be cleaned by being controlled to approach and separate based on the obtained shape of the left and right side surfaces of the vehicle to be cleaned at the time of cleaning the lower left and right side surfaces of the vehicle to be cleaned. It is avoided that an excessive force is applied to the brush, and the excessive force is applied in the direction of closing the swivel arm that supports the rotating brush, thereby avoiding the possibility of damaging the vehicle to be cleaned or the rotating brush.

  Further, the invention according to claim 2 is the invention according to claim 1, wherein the car wash machine body is configured to be able to approach and separate from the vehicle to be cleaned, and cleans the left and right side surfaces of the vehicle to be cleaned. Provided with a pair of left and right side cleaning brushes, the distance to the side surface of the vehicle to be cleaned, the sonic sensor, or the approach to the vehicle to be cleaned when the side surface cleaning brush approaches and separates along the left and right side surfaces of the vehicle to be cleaned It is obtained by the separated position.

According to the above method, the distance to the side surface of the vehicle to be cleaned is obtained from the approach position data of the sonic sensor or the pair of left and right side brushes to the vehicle to be cleaned.
The invention according to claim 3 is the invention according to claim 1 or 2, wherein the car wash machine main body is provided with a cylinder as means for turning the turning arm, and the lower side surface washing brush is rotated. The approaching / separating position of the brush is obtained from the turning angle of the rotating shaft of the turning arm or the extension amount of the cylinder rod of the cylinder.

  According to the above method, the approaching / separating position of the rotating brush of the lower side surface cleaning brush is obtained from the turning angle of the rotating shaft of the turning arm or the extension amount of the cylinder rod of the cylinder.

According to the control method of the car wash machine of the present invention, the direction of the force acting on the rotary brush of the lower side face washing brush by the contact with the car to be cleaned is in the rotating brush during the relative movement of the vehicle to be cleaned and the main body of the car wash (outward path). rotary brush as pivot arm supporting is pivoted by the rotary brush can escape direction is rotated, the rotary brush pivot arm is pivoted horizontally is close to be cleaned vehicle, of the cleaning vehicle according to the rotating brush The lower part of the left and right side surfaces are cleaned, and the distance between the rotating brush and the left and right side surfaces of the vehicle to be cleaned is measured to determine the shape of the left and right side surfaces of the vehicle to be cleaned. (When returning), the rotating brushes of the lower side cleaning brush are controlled to approach and separate based on the determined left and right side shapes of the vehicle to be cleaned, and the lower left and right side portions in the return path that have not been conventionally performed. By performing the cleaning, it is possible to execute the cleaning of the unwashed portion of the vehicle to be cleaned at the time of relative movement, and thus the cleaning power can be improved, and an excessive force acts between the vehicle to be cleaned and the rotating brush. Therefore, it is possible to avoid the possibility of damaging the vehicle to be cleaned or the rotating brush by applying an excessive force in the direction of closing the turning arm that supports the rotating brush.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The car wash machine of the present embodiment is a car wash machine that performs washing of a vehicle while moving the car wash machine body in the front-rear direction (an example of relative movement) with respect to a vehicle to be washed (hereinafter referred to as a vehicle). In the description of the operation in the present embodiment, a passenger vehicle system (sedan system) is used for the vehicle.

  In FIG. 4 and FIG. 5, reference numeral 1 denotes a gate type that straddles the vehicle 2 of the vehicle to be cleaned and travels in the front-rear direction of the vehicle 2 on a rail 5 laid on the floor surface 4 via a plurality of wheels 3. The main body of the car wash machine 1 includes a first washing water (pre-rinse) arch 6 and a first washing water (rinse) or spray device for spraying detergent or wax from the front, 1 detergent (pre-detergent) arch 7, second wash water (final rinse) arch 8, first wax arch 9, second wax arch 10, and second detergent (post-detergent) arch 11 are disposed. Near the first washing water arch 6, as a drying means of the vehicle 2, there are a top nozzle 12, a pair of left and right side nozzles 13, and a pair of left and right blowers 14 that simultaneously communicate with both nozzles 12 and 13 and supply wind. Is provided.

  Further, in the car wash machine main body 1, as a cleaning means for brushing the vehicle 2, the top brush 15 that is movable in the vertical direction and that cleans the upper surface of the vehicle 2 is perpendicular to the traveling direction (front-rear direction) of the car wash machine main body 1. A pair of side brushes 16 are provided for cleaning the front and rear surfaces and both side surfaces of the vehicle 2 so as to be movable toward and away from each other in the left-right direction. A rocker brush (an example of a lower side surface cleaning brush) 17 is provided so as to be able to approach and separate from each other, and the vehicle 2 is cleaned by the cleaning means while the vehicle 2 and the car wash machine body 1 are relatively moved.

  The car wash machine body 1 is provided with a travel drive device (such as a motor) 19 that is connected to the wheel body 3 of the car wash machine body 1 and runs the car wash machine body 1. An operation panel 20 on which operation switches for inputting start and stop commands, a car wash mode, and the like are arranged is provided.

  Further, a control device 21 composed of a microcomputer is provided on the back side of the operation panel 20 (in the car wash machine main body 1). A setting signal for a car wash course pattern from the operation panel 20, an operation signal for starting and stopping, and the like will be described later. The detection signal of the running position detecting rotary encoder 24 and the like is inputted and stored, and the nozzles 12, 13, brushes 15, 16, 17 and the like are controlled in accordance with these operation signals and detection signals, and the car wash machine body 1 The entire operation is controlled and the car washing operation is executed.

  Further, on the inner right side surface of the front side of the car washer 1, a distance from the vehicle 2 to the right side surface (an example of at least the left and right side surfaces) of the vehicle 2, that is, a rotating brush 36 positioned at an open position, which will be described later A distance detection sensor 23 composed of a sonic sensor is provided as means for measuring the distance from the side surface of the vehicle 2. In the car wash machine body 1, a travel position detection rotary encoder 24 (FIG. 1) is connected to the travel drive device 19 in order to detect the travel position of the car wash machine body 1.

Hereinafter, the structure and control method of the rocker brush 17 which is the main part of the present invention will be described in detail. FIG. 6 shows an example of a rocker brush device that operates each rocker brush 17.
As shown in FIG. 6, a turning arm 31 is disposed, and a rotating shaft 32 is fixed to one end (car wash machine body 1 side) of the turning arm 31, and the rotating shaft 32 is fixed to the car wash machine body 1 side. The bearing 33 is rotatably supported by the bearing 33, and the swing arm 31 is horizontally supported by the bearing 33 via the rotating shaft 32. In addition, a cylinder arm 34 is fixed to the rotary shaft 32, and the swivel arm 31 is opened between the cylinder arm 34 and the car wash machine body 1, with the rotary shaft 32 as a center (close side to the vehicle 2). A cylinder 35 that rotates to a position (a position away from the vehicle 2) is provided.

  A rotating brush (brush main body) 36 is rotatably supported below the other end (tip) of the swing arm 31, and a rotational drive device 37 such as a motor that can rotate forward and backward is fixed to the lower end of the swing arm 31. The sprockets 37b and 36b are attached to the rotary shaft 37a of the rotary drive device 37 and the rotary shaft 36a of the rotary brush 36, respectively, and the sprockets 37b and 36b are connected by a chain 38. Further, as shown in FIG. 6A, the rotary brush 36 is in an open position when the turning arm 31 is in a position parallel to the front-rear direction of the vehicle 2.

A rotary angle detection rotary encoder 39 is connected to the rotary shaft 32 of the swing arm 31 as means for detecting the rotation angle of the swing arm 31.
As shown in FIG. 1, the cylinder 35 has a spring 42 disposed inside the piston 41, and the cylinder rod 43 contracts against the urging force of the spring 42 when air is supplied into the piston 41 (rotating brush). 36 is moved in the direction of the open position), and when the inside of the piston 41 is released to the outside air, it is extended by the urging force of the spring 42 (the rotary brush 36 is moved in the direction of the closed position). Further, when the cylinder rod 43 extends, the air in the piston 41 is exhausted. Further, an open limit detection sensor 45 including a limit switch that operates when the rotating brush 36 (the swing arm 21) is in the open position, and a close limit including a limit switch that operates when the rotary brush 36 (the swing arm 21) is in the closed position. A detection sensor 46 is provided.

  As shown in FIG. 1, the air piping of the cylinder 35 includes a supply position for supplying air into the piston 41 of the cylinder 35 when the coil is not excited, and a position in the piston 41 of the cylinder 35 where the coil is excited. A 3 port 2 position opening / closing solenoid valve 51 which can be switched to an exhaust position capable of exhausting air, an orifice 52 and a check valve 53 connected in parallel, and a conduction position for conducting air when the coil is not excited, A 3-port 2-position blocking electromagnetic valve 54 that is switched to a sealing position that seals the air in the piston 41 of the cylinder 35 where the coil is excited is interposed, and the air pressure in the piston 41 reaches a predetermined pressure. A check valve 55 is attached for exhausting the exhaust gas when exceeded.

The operation of the rocker brush 17 will be described.
(1). When the rotation driving device 37 is driven, the driving force is transmitted to the rotation shaft 37a of the rotation driving device 37, the sprocket 37b, the chain 38, the sprocket 36b, and the rotation shaft 36a of the rotation brush 36. The brush 36 rotates. The rotation drive device 37 is configured so that the direction of the force acting on the rotary brush 36 by contacting the rotary brush 36 with the vehicle 2 is such that the rotary arm 31 supporting the rotary brush 36 rotates and the rotary brush 36 escapes. To drive.

(2). Movement of Rotating Brush 36 to Open Position (Removal Direction from Vehicle 2) As shown in FIG. 2A, when the open / close solenoid valve 51 is in the supply position and the block solenoid valve 54 is in the conducting position, the piston Air is supplied into 41, the cylinder rod 43 contracts against the urging force of the spring 42, the turning arm 31 is turned to the car wash machine main body 1 side, and the rotating brush 36 moves toward the open position.

(3). Movement of Rotating Brush 36 to Closed Position (Removal Direction from Vehicle 2) As shown in FIG. 2B, when opening / closing solenoid valve 51 is in the exhaust position and block solenoid valve 54 is in the conducting position, the cylinder The rod 43 is extended by the urging force of the spring 42, the air in the piston 41 is exhausted, the turning arm 31 is turned to the vehicle 2 side, and the rotating brush 36 moves toward the closed position.

(4). Block (hold) of the position of the rotating brush 36
As shown in FIG. 2C, when the block solenoid valve 54 is switched to the sealing position, the air in the piston 41 is sealed, and the position of the cylinder rod 43 is maintained. And the position of the rotary brush 36 is maintained.

  With the above structure, the rocker brush 17 is provided so as to be able to approach and separate from the lower left and right side surfaces of the vehicle 2 and the tire 2 a by turning the turning arm 31 that supports the rotating brush 36 at the tip. The left and right side lower portions and the tire 2a can be cleaned.

  Hereinafter, the operation of the rocker brush control unit 61 that executes a washing control of the vehicle 2 by the rocker brush 17 constituting a part of the control device 21 will be described in detail with reference to the block diagram of FIG. The control device 21 is provided with a control unit (not shown except for the rocker brush control unit 61) for controlling each nozzle and brush for each nozzle 12, 13, and each brush 15, 16, 17; There is provided a general control unit 60 that controls these control units and executes control of the entire car wash machine body 1. As shown in FIG. 1, the controller 21 detects a travel position from the home position of the car wash machine body 1 by counting pulses input from the travel position detection rotary encoder 24. 59, and the general control unit 60 commands the driving of the rocker brush 17, "an outward cleaning command signal for executing the cleaning operation of the vehicle 2 while moving the car wash machine main body 1 forward", and "the car wash machine main body 1 It is assumed that the “return-path cleaning command signal for executing the cleaning operation of the vehicle 2 while moving the vehicle backward” is input.

  The rocker brush control unit 61 includes an “outward cleaning command signal” and a “return cleaning command signal” output from the overall control unit 60, “car wash machine travel position data” detected by the travel position detection unit 59, The distance detection data of the distance detection sensor 23, the pulse output signal of the rotary angle detection rotary encoder 39, the open limit detection signal of the open limit detection sensor 45, and the close limit detection signal of the close limit detection sensor 46 are input as control targets. The rotation drive device 37, the opening / closing solenoid valve 51, and the block solenoid valve 54 are connected.

The rocker brush control unit 61
A vehicle side surface shape storage unit 63 that stores side surface distance data from the distance detection sensor 23 to the vehicle 2 every time the car wash machine main body travel position data detected by the travel position detection unit 59 changes by a predetermined distance;
The swivel angle of the swivel arm 31 from the open position (0 °) to the closed position is counted by counting pulses input from the rotation angle detecting rotary encoder 39, reset by the open limit detection signal of the open limit detection sensor 45. A turning angle detector 64 for detecting
The turning arm turning angle data θ from the open position detected by the turning angle detector 64 is set in advance to the length L of the turning arm 31, that is, the center of the rotating shaft 32 of the turning arm 31 and the rotating brush 36. A brush approaching / separating position calculating unit 65 for calculating the approaching / separating distance in the left-right direction of the rotating brush 36 by calculating the distance between the centers of the rotation shafts 36a (by L × sin θ);
When the “outward washing command signal” is confirmed, the rotation drive device 37 is rotated in the forward direction (the direction of the repulsive force acting on the rotary brush 36 by contact with the vehicle 2 is rotated by the swing arm 31 supporting the rotary brush 36). When the “forward cleaning command signal” is turned off, the rotation driving device 37 is stopped, and when the “return cleaning command signal” is confirmed, the rotation driving device is driven. 37 is driven in the forward rotation direction, and when the “return path cleaning command signal” is turned off, the rotation drive unit 66 stops the rotation drive unit 37;
When the “outbound cleaning command signal” or “return cleaning command signal” is confirmed, the vehicle washing machine main body travel position data detected by the travel position detection unit 59 and the side surface distance data stored in pairs in the vehicle side surface shape storage unit 63 And the car wash machine travel position data, the approaching / separating distance of the rotating brush 36 calculated by the brush approaching / separating position calculating unit 65, the opening detection signal of the opening detection sensor 45, and the closing detection signal of the closing detection sensor 46 And an approach / separation controller 67 for controlling the approach / separation of the rotary brush 36 by driving the opening / closing solenoid valve 51 and the block solenoid valve 54.

The operation of the approach / separation controller 67 will be described in detail. In the initial state, the “movement of the rotating brush 36 in the open position (in the direction away from the vehicle 2)” is executed. That is, the open / close solenoid valve 51 is turned off and the block solenoid valve 54 is turned off so that the open / close solenoid valve 51 is in the supply position and the block solenoid valve 54 is in the conducting position.
[Outward]
When the “outward path cleaning command signal” is input, the “movement of the rotating brush 36 in the closed position (the direction away from the vehicle 2)” is executed. That is, the open / close solenoid valve 51 is turned on and the block solenoid valve 54 is turned off so that the open / close solenoid valve 51 is in the exhaust position and the block solenoid valve 54 is in the conducting position. When the closing detection signal of the closing detection sensor 46 is activated, the block solenoid valve 54 is turned on to hold the closed position.

Then, when the “outward path cleaning command signal” is turned off, the “movement of the rotating brush 36 in the open position (the direction away from the vehicle 2)” is executed. That is, the open / close solenoid valve 51 is turned off and the block solenoid valve 54 is turned off so that the open / close solenoid valve 51 is in the supply position and the block solenoid valve 54 is in the conducting position. When the open limit detection signal of the open limit detecting sensor 45 is activated, the blocking electromagnetic valve 54 is turned on to hold the open position.
[Return]
Subsequently, when the “return path cleaning command signal” is input, the side distance data stored in the vehicle side surface shape storage unit 63 is searched based on the input “car wash machine travel position data”. When the vehicle 2 facing the rotating brush 36 is confirmed by the side distance data, the approaching / separating control is started. That is, the opening / closing solenoid valve 51 is set so that the target value and the approaching / separating distance coincide with each other using the side distance data as the target value and the approaching / separating distance of the rotating brush 36 calculated by the brush approaching / separating position calculating unit 65 as the feedback value. And the block solenoid valve 54 is controlled (feedback control).

  When the target value is larger than the approach / separation distance, the closing direction, that is, the opening / closing solenoid valve 51 is turned on and the block solenoid valve 54 is turned off, the air is exhausted and the cylinder rod 43 is extended, and the target value and the approach / separation distance are increased. If they match, the blocking electromagnetic valve 54 is turned on to block.

  When the target value is smaller than the approach / separation distance, the opening direction, that is, the opening / closing solenoid valve 51 is turned off and the block solenoid valve 54 is turned off, air is supplied to contract the cylinder rod 43, and the target value and the approach / separation distance are reduced. If they match, the blocking electromagnetic valve 54 is turned on to block.

  Then, when the “return path cleaning command signal” is turned off, the “movement of the rotating brush 36 in the open position (in the direction away from the vehicle 2)” is executed. That is, the open / close solenoid valve 51 is turned off and the block solenoid valve 54 is turned off so that the open / close solenoid valve 51 is in the supply position and the block solenoid valve 54 is in the conducting position. When the open limit detection signal of the open limit detecting sensor 45 is activated, the blocking electromagnetic valve 54 is turned on to hold the open position.

  Under the control of the rocker brush control unit 61, the rotary brush 36 of the rocker brush 17 is rotated forward as shown in FIG. The direction of the force to be rotated is such that the turning arm 31 supporting the rotating brush 36 turns and the rotating brush 36 escapes, and the rotating brush 36 acts on the rotating brush 36 by contact with the vehicle 2. The turning arm 31 is turned so that the turning arm 31 turns and the rotating brush 36 escapes, approaches the vehicle 2 and protrudes to the closed position, and is moved by the movement of the car wash machine body 1. The lower part of the side surface of the vehicle 2 and the tire 2a are washed while being done. Further, during the return path, the rotating brush 36 is rotated forward as shown in FIG. 3B, and the rotating brush 36 is controlled to approach and separate from the vehicle 2 according to the shape of the vehicle 2 by the turning of the turning arm 31. The lower part of the side surface of the vehicle 2 and the tire 2a are washed while being moved along the shape of the side surface of the vehicle 2.

  As described above, according to the present embodiment, during the forward path, when the rotating brush 36 protrudes to the closed position and approaches the vehicle 2 to clean the lower left and right side surfaces of the vehicle 2 and the tire 2a, Since the direction of the force acting on the rotary brush 36 by the contact is the direction in which the turning arm 31 supporting the rotary brush 36 turns and the rotary brush 36 escapes, the possibility of damaging the vehicle 2 and the rotary brush 36 can be avoided. .

  Also, during the return path, the rotating brush 36 approaches the vehicle 2 by turning the turning arm 31 and cleans the lower left and right side surfaces of the vehicle 2 and the tire 2a, thereby cleaning the rocker brush 17 which has not been performed conventionally. This is executed, and the cleaning of the unwashed portion in the outward path is executed, so that the cleaning power can be improved. Furthermore, the rotating brush 36 is controlled to approach and separate based on the shape of the left and right side surfaces of the vehicle 2, so that an excessive force can be avoided between the vehicle 2 and the rotating brush 36, It is possible to avoid the possibility of damaging the vehicle 2 or the rotating brush 36 in the direction in which the turning arm 31 supporting the rotating brush 36 is closed. Further, when the rotary brush 36 is reversed on the return path, a force may be applied in the direction of closing the turning arm 31 to cause tangling of the rotary brush 36 in the vicinity of the tire cover 2b of the vehicle 2. In this case, when the rotating brush 36 is rotated forward, the direction of the force acting on the rotating brush 36 by the contact with the vehicle 2 is such that the turning arm 31 supporting the rotating brush 36 turns and the rotating brush 36 escapes. Therefore, it is possible to avoid the occurrence of tangling.

  Further, according to the present embodiment, the distance to the side surface of the vehicle 2 is obtained by the distance detection sensor 23, the approaching / separating position of the rotary brush 36 is obtained by the turning angle θ of the rotating shaft 32 of the turning arm 31, and feedback control is performed. Is executed, it is possible to expect quick and accurate approaching / separating control.

  In the present embodiment, the approaching / separating position of the rotating brush 36 is detected by the turning angle θ of the rotating shaft 32 of the turning arm 31, but it can also be detected by the extension amount of the cylinder rod 43. .

  Further, in the present embodiment, the side distance data to the side surface of the vehicle 2 is detected by the distance detection sensor 23 composed of a sonic sensor. However, the pair of left and right side brushes 16 travel along the side surface of the vehicle 2 when going forward. It is also possible to detect from the approaching / separating position data when moving.

  Moreover, in this Embodiment, although the car-washing machine main body 1 is moved only and the car-washing machine main body 1 and the vehicle 2 are moved relatively, the form which wash | cleans the vehicle 2 is shown. It may be in a fixed state, and the vehicle 2 may be moved in the front-rear direction using a roller conveyor (vehicle moving means) or the like so as to move relative to each other. Further, the car wash machine main body 1 may be divided into a front main body provided with a cleaning means and a rear main body provided with a drying means, and the front main body and the rear main body may be movable separately. Good.

  Further, in the present embodiment, a passenger vehicle system (sedan system) is used for the vehicle 2, but the same effect can be obtained even in other vehicles such as a one-box system.

It is the air piping and control block diagram of the rocker brush which performs the control method of the car wash machine in the embodiment of the present invention. It is operation | movement explanatory drawing which shows the operation | movement at the time of opening and closing of the rocker brush which performs the control method of the car wash machine, (a) is a brush open operation, (b) is a brush close operation, (c) is a brush Indicates the holding operation. It is a figure which shows the locus | trajectory of the rocker brush which performs the control method of the said car wash machine, (a) shows the time of an outward path, (b) shows the time of a return path. It is a side view of the car wash machine which performs the control method of the car wash machine. It is a front view of the car wash machine which performs the control method of the car wash machine. It is a figure of the rocker brush of the car wash machine which performs the control method of the car wash machine, (a) is a top view, (b) is a side view. It is a figure for demonstrating the subject of the conventional car wash machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Car wash machine body 2 Vehicle 2a Tire 2b Tire cover 17 Rocker brush 19 Travel drive device 20 Operation panel 21 Control device 23 Distance detection sensor 24 Travel position detection rotary encoder 31 Turning arm 32 Rotary shaft 33 Bearing 34 Cylinder arm 35 Cylinder 36 Rotation Brush (Brush body)
36a Rotating shaft 36b Sprocket 37 Rotation drive device 37a Rotating shaft 37b Sprocket 38 Chain 39 Rotary angle detection rotary encoder 41 Piston 42 Spring 43 Cylinder rod 45 Open limit detection sensor 46 Close limit detection sensor 51 Opening / closing solenoid valve 52 Orifice 53 Check Valve 54 Solenoid valve for block 55 Check valve

Claims (3)

A lower side surface configured to freely move toward and away from the lower left and right side surfaces of the vehicle to be cleaned by horizontally turning a turning arm that supports a rotating brush at the tip, and for cleaning the lower left and right side surfaces of the vehicle to be cleaned by the rotating brush. A control method of a car wash machine provided with washing brushes at both lower parts in the car wash machine body,
During the relative movement of the vehicle to be cleaned and the car wash machine body, the direction of the force acting on the rotating brush due to contact with the vehicle to be cleaned is such that the rotating arm that supports the rotating brush rotates horizontally and the rotating brush escapes. rotating said rotary brush so that the orientation wherein the pivot arm horizontally pivoted to approximate the rotary brush to the object to be cleaned vehicle, as well as wash the right and left lower side surface of the cleaning vehicle with rotating brush, said rotating Measure the distance between the brush and the left and right sides of the vehicle to be cleaned to obtain the shape of the left and right sides of the vehicle to be cleaned,
During the relative movement in the direction opposite to the relative movement, the rotating brush is controlled to approach and separate based on the obtained shape of the left and right side surfaces of the vehicle to be cleaned to clean the lower left and right side surfaces of the vehicle to be cleaned. A control method for a car wash machine. The car wash machine main body includes a pair of left and right side cleaning brushes configured to be able to approach and separate from the vehicle to be cleaned, and to clean the left and right side surfaces of the vehicle to be cleaned.
The distance to the side surface of the vehicle to be cleaned is obtained from the approach / separation position to the vehicle to be cleaned when the sonic sensor or the side surface cleaning brush approaches and separates along the left and right side surfaces of the vehicle to be cleaned. The method for controlling a car wash machine according to claim 1. The car wash machine body includes a cylinder as means for turning the turning arm,
The approaching / separating position of the rotating brush of the lower side surface cleaning brush is obtained from a turning angle of a rotating shaft of the turning arm or an extension amount of a cylinder rod of the cylinder. How to control a car wash.

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