JP3344304B2 - Gate type car wash machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portal type car washer for washing a car.

[0002]

2. Description of the Related Art A gate-type car washer is provided with a car wash body movably provided on a rail, a car sensor and a movement sensor provided on the car wash machine body, and a drive for driving each car washer based on signals from both sensors. The motor is being controlled. An encoder that outputs a pulse signal in conjunction with a wheel is used as a movement sensor that measures the movement of the car washer body. For this reason, if the wheel is worn and its diameter is changed due to long-term use, the content indicated by the pulse signal of the encoder changes, and there is a disadvantage that the drive motor for driving the car washer cannot be correctly controlled.

[0003]

SUMMARY OF THE INVENTION Accordingly, the present invention enables a drive motor for driving a car washer to be properly controlled even when the diameter of the wheel changes due to wear of the wheel and the content of the pulse signal of the encoder changes. To provide a gate type car washer.

[0004]

According to the present invention, a rail laid on a site, a car washer body moving on the rail by a moving motor, and a pulse signal are transmitted in conjunction with the movement of the car washer body. An encoder for outputting, a car wash tool provided on the car wash machine body and driven by a drive motor, a car sensor provided on the car wash machine body, and storage means for storing a moving distance of the car wash machine body per one pulse of the encoder. And a gate-type car washer equipped with a control device for controlling a drive motor based on a signal from the car sensor and a moving distance of the car washer body indicated by the pulse signal of the encoder and the pulse signal of the encoder stored in the storage means. A unique portion is provided at both ends of the rail, a unique portion detector is provided in the car wash machine body, and the control device is moving between the unique portions in response to a detection signal of the unique portion detector. The pulse signal input from the encoder is counted, and the moving distance of the car wash machine body per one pulse of the encoder is calculated from the counted number of pulse signals and the distance between the unique parts, and the car washer indicated by the calculated pulse signal. The main body movement distance is updated and stored in the storage means. Therefore, even if the wheel is worn and the diameter changes and the content indicated by the pulse signal of the encoder changes, the driving motor for driving the car washer can be correctly controlled.

[0005]

Embodiments of the present invention will be described below. As shown in FIGS. 1 and 2, a gate-type car wash machine 1 includes two rails 2 and 2 laid on a site and a gate-type car wash machine body 3 that reciprocates on the rails 2. I have.
The car washer body 3 is provided with car wash tools such as a car wash brush 4, a washing liquid injection nozzle 5, and an air injection nozzle 6, and these are driven by a drive motor (not shown). A car sensor 8 for detecting a car to be washed is provided in front of the legs 7, 7 of the car washer body 3. This car sensor 8 is composed of a large number of optical sensors 8a, 8a,. A keyboard 9 having a start switch is provided on one leg 7. Further, two wheels 10 and 10 are provided below each leg 7, one of the wheels 10 is rotated by a moving motor (not shown), and the other wheel 10 is engaged with an encoder 11. ing. Then, at both ends of one of the rails 2, for example, there is a singular part 12 at an interval of 7 meters.
a, 12b are provided, and the leg 7 has unique portions 12a, 12b.
A unique part detector 13 for detecting b is provided.

As shown in FIG. 3, a start signal of the keyboard 9 and detection signals of the vehicle sensor 8, the encoder 11, and the unique part detector 13 are input to the control device 14. The control unit 14 stores the pulse signal of the encoder 11 and the storage unit 15
The control signal to the drive motor of each car washer is calculated from the content of the pulse signal stored in the storage device and the detection signal of the car sensor 8. The control signal of the control device 14 includes a drive motor 16 for rotating the car wash brush 4, a drive motor 17 for moving the car wash brush 4, and the cleaning liquid injection nozzle 5.
A driving motor 18 for driving a pump for sending water to the cleaning liquid, a driving motor 19 for driving a pump for sending shampoo to the cleaning liquid injection nozzle 5, a driving motor 20 for driving a pump for sending wax to the cleaning liquid injection nozzle 5, and air. The driving motor 21 drives a blower that sends air to the injection nozzle 6, the driving motor 22 moves the air injection nozzle 6, and the movement motor 23 that rotates the wheel 10 of the car washer body 3, and is output to the respective motors. Is controlled.

The control device 14 executes a plurality of car washing steps in one car washing, such as a washing step → a shampoo step → a wax step → a drying step. When the car washer body 3 is moving in the first car washing process, the shape of the car is determined based on the pulse signal of the encoder 11, the content of the pulse signal stored in the storage means 15 and the detection signal of the car sensor 8. Is stored, and the next car wash process is executed based on the stored car shape.

The control device 14 receives the detection signals of the unique portions 12a and 12b of the unique portion detector 13 and receives the detection signals.
Based on the distance between a and 12b and the number of pulse signals input from the encoder 11 while moving between the unique portions 12a and 12b, the content indicated by the pulse signal input from the encoder 11 is calculated and stored in the storage means 15. The content indicated by the pulse signal is updated and stored.

Next, the operation will be described with reference to the flowchart of FIG. Stop the car at the center of rails 2 and 2
When the start signal is input to the control device 14 by pressing the start switch (ST1 in FIG. 4), the control device 14 executes the first step of car washing (ST2 in FIG. 4). That is, a normal rotation signal is output to the movement motor 23 that rotates the wheel 10, and a drive signal is output to the drive motor 18 that drives a pump that sends water to the cleaning liquid injection nozzle 5. Then, the moving motor 23 rotates forward and the car wash machine main body 3 moves forward, and water is jetted from the washing liquid jet nozzle 5. The controller 14 stores the shape of the vehicle based on the pulse signal of the encoder 11, the content of the pulse signal stored in the storage unit 15, and the detection signal of the vehicle sensor 8 during the first step of the vehicle washing by the water washing. (Fig. 4 ST
3).

When the first step of car washing is completed (ST4 in FIG. 4), the controller 14 executes the second step of car washing (ST5 in FIG. 4). That is, a reverse rotation signal is sent to a moving motor 23 that rotates the wheel 10, a drive signal is sent to a driving motor 19 that drives a pump that sends a shampoo to the cleaning liquid injection nozzle 5, and a driving motor 16 that rotates the car wash brush 4. ,
And a drive signal is output to the drive motor 17 which moves the car wash brush 4. Then, the moving motor 23 rotates in the reverse direction, and the car wash machine body 3 moves backward, the shampoo is sprayed from the cleaning liquid spray nozzle 5, and the car wash brush 4 rotates while moving.

The second step of car washing by shampoo is executed by executing the first step, including the pulse signal of the encoder 11, the contents of the pulse signal stored in the storage means 15, the detection signal of the car sensor 8, and the like. This is performed on the basis of the shape of the car stored when the vehicle is turned off.

When the second step of car washing is completed (ST6 in FIG. 4), the next car washing step is executed (ST7, ST5, ST6 in FIG. 4). When all the car washing processes are completed (ST7 in FIG. 4), the control device 1
4 ends the control.

Next, the update storage of the content indicated by the signal input from the encoder 11 will be described with reference to the flowchart of FIG. When the car wash machine body 3 starts to move and the unique portion detector 13 detects the unique portion 12a at one end of the rail 2 and a unique portion detection signal is input (ST1 in FIG. 5), the control device 1
4 counts the pulse signal of the encoder 11 (ST in FIG. 5).
2). When the unique part detector 13 detects the unique part 12b at the other end of the rail 2 and receives the unique part detection signal (ST3 in FIG. 5), the control device 14 calculates the content indicated by the pulse signal of the encoder 11. Is updated and stored in the storage means 15 (ST4 in FIG. 5). The content of the pulse signal of the encoder 11 updated and stored in the storage means 15 in this manner is
It is used to control the drive motor of the next car wash.

The calculation of the contents indicated by the pulse signal is performed, for example, when the distance between the unique parts 12a and 12b is 700 centimeters and the pulse input from the encoder 11 while the car washer body 3 moves between the unique parts 12a and 12b. Signal is 350
700/350 (cm)
Is the content of the pulse signal.

As described above, the content of the pulse signal stored in the storage means 15 is updated and stored. Therefore, even if the wheel 10 is worn and its diameter is changed and the content indicated by the pulse signal of the encoder 11 is changed, the vehicle is washed. The driving motor for driving the tool can be controlled correctly.

[0016]

As described above, according to the present invention, a rail laid on a site, a car wash machine body moving on the rail by a moving motor, and a pulse signal output in conjunction with the movement of the car wash machine body. An encoder to be provided, a car washer provided in the car washer body and driven by a driving motor, a car sensor provided in the car washer body, a storage means for storing contents indicated by a pulse signal of the encoder, and a pulse signal of the encoder And a gate-type car washing machine equipped with a control device for controlling a drive motor based on the content of the pulse signal of the encoder stored in the storage means and the signal of the car sensor, a unique portion is provided at both ends of the rail. A unique part detector is provided in the car wash machine body, and the control device receives a detection signal of the unique part detector and receives a detection signal from the encoder while moving between the unique parts. The signals are counted, the content of the pulse signal of the encoder is calculated from the counted number of pulse signals and the distance between the unique parts, and the content of the calculated pulse signal is updated and stored in the storage means. Even if the diameter changes due to wear and the content indicated by the pulse signal of the encoder changes, the driving motor for driving the car washer can be correctly controlled.

[Brief description of the drawings]

FIG. 1 is a perspective view of a portal type car washer of the present invention.

FIG. 2 is a side view showing a cross section of the portal type car washer of the present invention.

FIG. 3 is a block diagram showing functions of the portal type car washer of the present invention.

FIG. 4 is a flowchart showing control of the portal type car washer of the present invention.

FIG. 5 is a flowchart for updating and storing the content indicated by the pulse signal of the encoder.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Gate type car wash machine 2 Rail 3 Car wash machine main body 4 Car wash brush 5 Cleaning liquid injection nozzle 6 Air injection nozzle 7 Leg 8 Car sensor 9 Keyboard 10 Wheel 11 Encoder 12a, 12b Unique part 13 Unique part detector 14 Control device 15 Storage means 16, 17, 18, 19, 20, 21, 22 Driving motor 23 Moving motor

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Akira Tanaka 2-12-13 Shibaura, Minato-ku, Tokyo Inside Tatsuno Mechatronics Co., Ltd. (56) References JP-A-5-139261 (JP, A) JP-A-7-113869 (JP, A) JP-A-7-137610 (JP, A) JP-A-6-48276 (JP, A) JP-A-8-26078 (JP, A) JP-A-8-1119075 (JP , A) (58) Field surveyed (Int. Cl. ⁷ , DB name) B60S 3/00-3/06

Claims (1)

(57) [Claims] 1. A rail mounted on a site, a car washer body moving on the rail by a moving motor, an encoder for outputting a pulse signal in conjunction with the movement of the car washer body, and a car wash machine body. A car washing tool driven by a driving motor, a car sensor provided in the car washing machine main body, a storage means for storing a moving distance of the car washing machine main body per one pulse of the encoder, and a pulse signal and storage means for the encoder. In a portal type car washer equipped with a control device for controlling a drive motor based on a signal from a car sensor and a moving distance of the car washer body indicated by a stored pulse signal of the encoder, unique portions are provided at both ends of the rail. A unique part detector is provided in the car wash machine body, and the control device receives a detection signal of the unique part detector and inputs a pulse from the encoder while moving between the unique parts. The pulse signal is counted, and the moving distance of the car wash machine body per one pulse of the encoder is calculated from the counted number of pulse signals and the distance between the unique parts, and the car wash machine body moving distance indicated by the calculated pulse signal is calculated as the above. A gate type car washer characterized by being updated and stored in a storage means.