JPH05170058A - Car washing machine control method - Google Patents

Abstract

PURPOSE:To prevent an accident of the brush of a top brush being caught at the front windshield part of a wagon and enable the automatic washing of the front windshield part of the wagon by the top brush. CONSTITUTION:In case of the type of a vehicle to be washed being a wagon 5, the washing of the front windshield part A of the wagon 5 by a top brush 6 is performed by lowering the top brush 6 to the front windshield part A from the roof part of the wagon 5 while moving a car washing machine body 1 backward. Such an accident that the top brush 6 is caught at the front windshield part A of the wagon 5 can be thereby prevented, and washing can be performed automatically so as to dispense with labor and time to perform hand-washing work of the front windshield part A of the wagon 5 after the termination of washing as in the existing way. Work efficiency can be thereby improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of controlling a car washing machine which is self-propelled and performs car washing.

[0002]

2. Description of the Related Art A conventional method for cleaning a wagon in a car washing machine of this type will be described. As shown in FIG. 6, a car washing machine body 1 that can freely reciprocate on a fixed path has a brush 3 rotating on one end of an arm 2 and a weight 4 for balancing on the other end.
A top brush 6 for cleaning the upper surface of the vehicle with the brush 3 by attaching and detaching the brush 3 up and down around the rotation fulcrum X of the arm 2.
When cleaning the upper surface of the wagon car 5, the brush 3 is rotated and the car wash main body 1 is self-propelled in the forward direction F. As shown by the two-dot chain line in FIG. Avoid the front window part A so as not to cause an accident of hooking the brush 3 on the front window part A,
After that, by rotating the arm 2, the brush 3 is controlled up and down to appropriately contact the tip of the ceiling surface of the wagon vehicle 5, and the upper surface is washed from this ceiling surface in accordance with the shape of the wagon vehicle 5.

As a method of controlling the top brush 6 so that the top surface of the car can be optimally cleaned according to the shape of the top surface (cleaning surface) of the car, the repulsion balance between the weight of the brush 3 and the cleaning surface due to rotation of the brush 3 Method, or arm 2
A method is used in which a sensor detects a change in the angle of the control.

Further, the car wash main body 1 has a function of detecting a car, and the brushes 8 are respectively provided on the pair of rotary shafts 7 which are symmetrically moved in the left-right direction (direction perpendicular to the moving direction of the car wash machine main body 1). Is disposed, and the pair of side brushes 9 cleans the lower front portion B, both side surfaces, and the lower rear portion of the wagon vehicle 5.

[0005]

However, in this conventional method for cleaning a wagon vehicle, since the unwashed portion can be left on the front window portion A of the wagon vehicle 5, the washing work must be performed by hand washing after the end of washing. However, there was a problem that it took time and effort.

The present invention solves the above problems,
An object of the present invention is to provide a control method for a car wash machine that prevents an accident in which the top brush of the wagon car is caught on the front window part of the wagon car and that enables automatic cleaning by the top brush of the front window part of the wagon car. is there.

[0007]

In order to solve the above problems, a method of controlling a car wash according to the present invention is directed to a car wash main body, a top brush that moves up and down to wash an upper surface of the car, and a running of the car wash main body. A method of controlling a car wash machine including means, wherein when the type of car to be washed is a wagon car, cleaning the front window part of the car with the top brush is performed while the car wash machine body is moved backward by the traveling means. The top brush is moved down from the ceiling portion of the vehicle to the front window portion.

[0008]

According to the above control method, by cleaning the front window portion of the car with the top brush while moving the car wash machine backward, the accident of catching the top brush brush on the front window portion of the wagon car is prevented, and the wagon is automatically operated. The front window of the car is washed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The same components as those of the conventional example shown in FIG. 6 are designated by the same reference numerals and the description thereof will be omitted.

FIG. 1 is a block diagram of a control system of a car wash machine according to the present invention. The vehicle height detection device 11 is mounted on the front upper part of the car wash machine main body 1 as shown in FIG. 2, and detects the vehicle height of the vehicle 5. The vehicle height detection signal c consisting of the vehicle height value is the control device 12
Entered in.

Further, the torque detecting device 10 detects the torque by the electric current of the motor for driving the brush 3, and detects the repulsion balance between the own weight of the brush 3 and the cleaning surface of the car 5 due to the rotation of the brush 3. The torque detection signal d is also a control device
Entered in 12.

As shown in FIG. 3, the drive system for the top brush 6 includes a cylinder from the first and second oil tanks 13 and 14.
The top brush 6 is moved up and down by supplying and discharging oil to and from the compressor 15. When the top brush 6 is moved up, both the solenoid A of the changeover switch 16 and the solenoid B of the changeover switch 17 are turned off and the compressor 18 Air is supplied to the first oil tank 13 via the silencer 19, and the oil in the first oil tank 13 is pressure-extruded to supply the oil to the cylinder 15 and hold it (lock the lifting and lowering) to the solenoid. When A is turned on and solenoid A is turned off when lowering, solenoid B is turned on and check valve 20,
The air in the first oil tank 13 is discharged from the exhaust nozzle 22 via the silencer 21, and the oil is returned from the cylinder 15 to the first oil tank 13. Reference numeral 28 is a check valve provided to suck the outside air and lighten the movement of the cylinder 15 when a force that pushes the top brush 6 upward acts when the solenoid A is turned on and the lifting is locked. ..

As shown in FIG. 1, the control device 12 comprises an input / output unit 23, a control unit 24 and a storage unit 25, and runs back and forth on the top brush 6, the side brushes 9 and the car wash machine body 1. To control the traveling motor 22 to
The operation signal a from the operation surface 26, the vehicle height detection signal c, and the torque detection signal d are input, and further the vehicle detection signal e is input from the side brush 9 to instruct the drive system of the top brush 6 to rotate the brush 3. , A control signal g consisting of rising, holding (up / down lock) or lowering commands, that is, a rotation signal of the brush 3 and ON / OFF signals of the solenoids A and B are output to rotate the brush 8 to the drive system of the side brush 9. Command,
A control signal j including an opening or closing command for the pair of rotary shafts 7
To output a control signal k to the traveling motor 22, which is a forward, backward or stop command.

A method of cleaning the front portion of the wagon 5 by the control unit 24 will be described below with reference to the flowcharts of FIGS. 4 and 5. Input / output to / from the control unit 24 is performed by the input / output unit 23.
It is assumed that the operation signal a for cleaning the vehicle with a brush is output from the operation surface 26.

First, the top brush 6 outputs a descending command for turning off the solenoid A and turning on the solenoid B so as to descend the brush 3 to the lowest position, and a control signal g including a rotation command for the brush 3 (step -1), the side brush 9 outputs a control signal j including a closing command for the pair of rotating shafts 7 and a rotating command for the brush 8 (step-2),
A control signal k including a forward command is output to the traveling motor 22 (step-3). Next, it is confirmed from the vehicle height detection signal c whether the vehicle to be washed is a wagon vehicle. That is, when the vehicle height value input first is equal to or higher than the set value corresponding to the vehicle height value of the wagon vehicle, it is determined to be a wagon vehicle (in the case of an ordinary vehicle, the vehicle height value h first input is the height of the front body). ) (Step-4). When it is determined that the vehicle is a wagon in step-4, this is stored in the storage unit 25 (step-5), and the solenoid A is turned off and the solenoid B is moved to the top brush 6 so as to raise the brush 3 to the highest position. A control signal g including an ascending command for turning off is output (step-6). After this Step-6 or when it is judged in Step-4 that the vehicle is not a wagon, it is confirmed whether the vehicle detection signal e has been input next (Step-7). To the motor 22,
A control signal k consisting of a stop command is output (step-
8). Then, it is confirmed whether or not the vehicle is a wagon vehicle (step-9), and if it is not a wagon vehicle, a cleaning process matching the shape of the upper surface of a normal vehicle is performed thereafter (step-1).
0), in the case of a wagon car, the side brush 9 and the wagon car 5
A control signal j consisting of an opening command for the pair of rotating shafts 7 is output so as to wash the front lower part B (step-11), and torque is applied to the top brush 6 so that the brush 3 may optimally contact the wagon wheel 5. A control signal g for performing constant control is output (step-12).

This torque constant control method will be described with reference to the flowchart of FIG. That confirms the torque detection signal d (step -S1), if torque J is within a certain range (J _A ≦ J ≦ J _B), and outputs the held (lift lock) command to turn on the solenoid A (Step-S
2) When the torque J reduced (J <J _A), the brush 3
Solenoid A so that it is pressed against the cleaning surface of wagon car 5.
Is output and a lowering command to turn on solenoid B is output (step-S3), and when the torque becomes large (J _B <
J), a rising command is output to turn off both solenoids A and B so as to separate the brush 3 from the cleaning surface of the car 5 (step-S4).

Next, when the vehicle detection signal e is turned off and it is detected that the cleaning of the lower front portion B of the wagon vehicle 5 by the side brush 9 is completed (step -13), the traveling motor is detected.
A control signal k including a reverse command is output to 22 (step -14), and the time T ₁ during which the top brush 6 descends along the front window portion A and is washed while moving backward is counted (steps -15, 16). ), When counting up, the control signal k including a stop command is output to the traveling motor 22 (step -17). Then, to the top brush 6, a control signal g including a rising command for turning off the solenoid A and turning off the solenoid B so as to raise the brush 3 to the highest position is output (step -18). Next, drive motor 22
To the control signal k including the forward command (step-
19), counting the time T ₂ until the brush 3 of the top brush 6 comes into contact with the upper surface of the wagon wheel 5 again (steps -20, 21), and counting up, the brush 3 is placed on the top brush 6 and the wagon wheel. The control signal g for performing the above-mentioned constant torque control is outputted so as to make optimum contact with No. 5 (step-22). After that, a normal cleaning process is performed (step-
twenty three).

By the operation of the control unit 24, when the vehicle to be cleaned is judged to be the wagon vehicle 5, the top brush 6 once rises as shown by the two-dot chain line in FIG. When the side brush 9 detects the vehicle body while avoiding contact with the front window portion A, the side brush 9 descends to the ceiling portion of the wagon vehicle 5 to start cleaning with the brush 3, and during the backward movement of the time T ₁ , the front window portion A Is washed while descending from the ceiling portion to the lower portion, and after this washing is finished, it is raised again to avoid contact with the front window portion A which is moving forward, and after time T _2, it is lowered to the ceiling portion of the wagon vehicle 5 and brushed. Resume washing according to 3.

By avoiding contact with the front window part A during forward movement by such a control method,
It is possible to prevent the accident of hooking the brush 3 on the front window part A, and further prevent the accident of hooking the brush 3 on the front window part A by cleaning the front window part A by the top brush 6 while moving the car wash machine body 1 backward. At the same time, the front window part A can be automatically cleaned.

In the present embodiment, the forward movement of the car wash main body 1 is stopped by the vehicle body detection signal e of the side brush 9. However, as shown in FIG. It is also possible to count the time T ₃ after detecting the vehicle height and stop the car wash machine body 1 by counting up. Note that this time T ₃ is the time T _A during which the car wash machine body 1 travels between the installation positions of the vehicle height detection device 10 and the side brush 9.
From the vehicle height detection position and the predicted position where the side brush 9 comes into contact with the lower front portion B of the wagon 5 by subtracting the time T _B during which the car wash machine body 1 travels.

In the present embodiment, the vehicle height detection signal c from the vehicle height detection device 10 is used to determine whether the type of vehicle to be washed is the wagon vehicle 5. Wagon vehicle 5 is the type of vehicle to be washed according to the designated instruction signal.
It is also possible to perform the above control by determining that

[0022]

As described above, according to the present invention, the front window portion of the wagon vehicle is washed by the top brush while the car washing machine body is moved backward, so that the brush of the top brush is hooked on the front window portion of the wagon vehicle. In addition to preventing accidents, the front window of the wagon can be cleaned automatically, and the work efficiency and efficiency is improved by eliminating the time and effort required to wash the front window of the wagon by hand after washing as before. can do.

[Brief description of drawings]

FIG. 1 is a block diagram of a control system of a car wash machine showing an embodiment of the present invention.

FIG. 2 is a schematic diagram for explaining control of a top brush of the car wash machine.

FIG. 3 is a configuration diagram of a drive system of a top brush of the car wash machine.

FIG. 4 is a flowchart of a top brush control by the control device of the car wash machine.

FIG. 5 is a flowchart of top brush control by the control device of the car wash machine.

FIG. 6 is a locus diagram of a top brush when cleaning a conventional vehicle.

[Explanation of symbols]

 1 Car wash machine body 3 Top brush brush 5 Wagon car 6 Top brush 9 Side brush 10 Torque detection device 11 Vehicle height detection device 12 Control device A Front window of wagon car

Claims (1)

[Claims] 1. A method of controlling a car washing machine, comprising: a car washing machine body; a top brush that moves up and down to wash an upper surface of the car; and a method for controlling a car washing machine that includes a traveling means of the car washing machine body. In the case of a car, cleaning the front window part of the car with the top brush is performed by lowering the top brush from the ceiling part of the car to the front window part while the car wash machine body is moved backward by the traveling means. Characteristic car wash control method.