JP4724815B2 - Car wash machine - Google Patents

Description

  The present invention relates to a car wash machine.

In the self-type car wash machine as described in Patent Document 1, the driver as the car wash customer himself selects the car wash course, starts the car wash process, introduces the vehicle to the car wash work position, stops and stops the engine, and finishes the car wash. A series of subsequent engine start and vehicle exit are performed.
JP-A-6-255456

  In the self-type car wash machine, a driver who stays in the vehicle even during the car wash may move the stopped vehicle by an illusion due to relative movement with the car wash machine body, which may cause a car wash abnormality.

  The car wash machine of Patent Document 1 detects that the vehicle is stopped at the car wash work position by turning on the depression switch, and can detect whether or not the vehicle is moving based on the detection result of the depression switch. However, the depression switch is turned on when the wheel is on and is easily damaged by rough driving of the vehicle.

  In the car wash machine, the safe operation process of the car wash machine body and the vehicle safety guidance process for the driver can be performed based on the unexpected movement detection of the vehicle parked at the car wash work position.

  An object of the present invention is to easily and reliably detect an unexpected movement of a vehicle stopped at a car wash work position.

  According to a first aspect of the present invention, there is provided a car wash machine for running a car wash machine body in the front-rear direction with respect to a vehicle in a car wash operation position, wherein the first and second vehicles are at least at two positions along the car wash machine front-rear direction. A first detection distance A of the travel distance detection means is provided while the detection means is provided, and a travel distance detection means for detecting the travel distance of the car wash machine body is provided, and the first vehicle detection means detects the front end and the rear end of the vehicle. The second detection distance B of the travel distance detection means while the second vehicle detection means detects the front end and the rear end of the vehicle is obtained, A and B are compared, and the vehicle is determined by a certain difference between A and B. Is provided with control means for determining that has moved.

  According to a second aspect of the present invention, there is provided a car wash machine for running a car wash machine body in the front-rear direction with respect to a vehicle in a car wash work position, wherein the first and second vehicles are at least at two positions along the car wash machine front-rear direction. In addition to providing detection means, a travel distance detection means for detecting the travel distance of the car wash machine main body is provided, and the installation interval of the first and second vehicle detection means provided in the car wash machine main body is D, and the car wash machine main body travels. Accordingly, the detection distance of the travel distance detection means from when the first vehicle detection means detects the front end of the vehicle until the second vehicle detection means detects the front end of the vehicle is C1, and the first vehicle detection means When the detection distance of the travel distance detection means from when the end is detected until the second vehicle detection means detects the rear end of the vehicle is C2, the first vehicle detection means is After the front end is detected, the second vehicle detection means Until C1 = D until both front ends are detected, the vehicle does not move between them. If C1 <D, the vehicle moves in the direction opposite to the traveling direction of the car washer, and C1> If it is D, it is determined that the vehicle has moved in the traveling direction of the car wash machine during that time, and the second vehicle detection means is detected after the first vehicle detection means detects the rear end of the vehicle as the car wash machine travels. Until C detects the rear end of the vehicle, if C2 = D, the vehicle does not move in the meantime, and if C2 <D, the vehicle moves in the direction opposite to the traveling direction of the car wash machine in the meantime. If C2> D, the vehicle has control means for determining that the vehicle has moved in the traveling direction of the car washer during that time.

  According to a third aspect of the present invention, there is provided a recording means for recording the vehicle movement information determined by the control means in the first or second aspect of the invention.

  According to a fourth aspect of the present invention, in the first aspect, the first vehicle detection means is provided on the front end side of the car wash machine body, and the second vehicle detection means is provided on the rear end side of the car wash machine body. It is intended to be provided.

  According to a fifth aspect of the present invention, in the fourth aspect of the invention, a vehicle shape reading unit is also used as the first vehicle detection unit, and a vehicle exit confirmation unit is also used as the second vehicle detection unit.

(Claim 1)
(a) The control means obtains the detection results of the first and second vehicle detection means and the detection result of the travel distance detection means, and travels while the first vehicle detection means detects the front end and the rear end of the vehicle. The first detection distance A of the distance detection means and the second detection distance B of the travel distance detection means while the second vehicle detection means detects the front end and the rear end of the vehicle are obtained, A and B are compared, Based on a certain difference between A and B, it is possible to determine an unexpected movement of the vehicle stopped at the car wash work position. By using non-contact sensors as the first and second vehicle detection means, it is possible to easily and reliably detect an unexpected movement of the vehicle.

(Claim 2)
(b) The control means sets the interval between the first and second vehicle detection means to D, and the second vehicle detection means after the first vehicle detection means detects the front end of the vehicle as the car wash machine travels. The detection distance of the travel distance detection means until the front end of the vehicle is detected is C1, and the time from when the first vehicle detection means detects the rear end of the vehicle until the second vehicle detection means detects the rear end of the vehicle. The detection distance of the travel distance detection means is C2, and by comparing D with C1, C2, the time from when the first vehicle detection means detects the front end of the vehicle until the second vehicle detection means detects the front end of the vehicle. It is possible to determine the presence or absence of the movement of the vehicle and the direction of the movement during the period from when the first vehicle detection means detects the rear end of the vehicle to when the second vehicle detection means detects the rear end of the vehicle. | D-C1 | and | D-C2 | can be estimated as the movement distance.

(Claim 3)
(c) By having the recording means for recording the vehicle movement information determined by the control means, the recorded vehicle movement information can be used for explaining the vehicle movement situation to the car wash customer.

(Claim 4)
(d) The movement determination of the vehicle by the control means is made only when the vehicle exists within the installation interval of the first and second vehicle detection means provided in the car wash machine body during the traveling process of the car wash machine body. Therefore, the first vehicle detection means is provided on the front end side of the car wash machine main body, and the second vehicle detection means is provided on the rear end side of the car wash machine main body, thereby maximizing the installation interval between the first and second vehicle detection means. In other words, the opportunity for the control means to determine the movement of the vehicle can be maximized. Further, the first and second vehicle detection means are arranged as far as possible from the brush device inside the car wash machine body, and they are far from the splash of the car wash liquid, and the detection accuracy thereof can be improved.

(Claim 5)
(e) Since the vehicle shape reading means is also used as the first vehicle detection means and the vehicle exit confirmation means is also used as the second vehicle detection means, it is not necessary to provide the dedicated detection means.

  FIG. 1 is a control system diagram showing a car wash machine, and FIG. 2 is a schematic diagram showing a detection principle of first vehicle detection means and second vehicle detection means.

  The car wash machine 10 causes the door-type car wash machine body 11 to travel in the front-rear direction across the vehicle 1 at the car wash work position along the left and right rails (not shown) to wash the vehicle 1.

  The car wash machine 10 includes a top brush device 12, a rocker brush device 13, and a side brush device 14 for washing the vehicle 1 on the front side of the car wash machine body 11, and a top blower nozzle for drying the vehicle 1 on the rear side of the car wash machine body 11. A device 15 and a side blower nozzle device 16 are provided.

  The car wash machine 10 includes travel distance detection means 20 that detects the travel distance of the car wash machine body 11. The travel distance detection means 20 is composed of a rotary encoder attached to the output shaft of the travel motor of the car wash machine body 11 and detects the travel position of the car wash machine body 11.

  The car wash machine 10 has vehicle shape reading means 30 on the front end side of the car wash machine body 11. The vehicle shape reading means 30 arranges a light projecting sensor and a light receiving sensor on both the left and right sides of the car wash work area of the car wash machine body 11, and the light projecting sensor and the light sensor are detected along the vertical direction of the car wash machine body 11. For example, a detection optical axis of 72 optical axes is installed on the line, and the vehicle shape of the vehicle 1 is detected.

  The car wash machine 10 has a vehicle exit confirmation means 40 on the rear end side of the car wash machine body 11. The vehicle exit confirmation means 40 arranges a light projecting sensor and a light receiving sensor on both the left and right sides of the car wash work area of the car wash machine body 11, and the light projecting sensor and the light receiving sensor detect passage of the rear end of the vehicle 1. When a predetermined delay time has elapsed after that, it is confirmed that the vehicle 1 has moved backward from the rear end of the car wash machine body 11.

  The car wash machine 10 has a control means 50. The control means 50 includes a microcomputer, drives the traveling motor of the car wash machine main body 11, and refers to detection signals from the traveling distance detecting means 20, the vehicle shape detecting means 30, and the like, and the brush devices 12 to 14, the nozzle device 15 and 16 are each driven at a predetermined timing, and the vehicle 1 is washed as follows.

  (1) The car wash customer selects and operates the car wash course and starts the car wash process.

  (2) A driver as a car wash customer introduces the vehicle 1 from the front of the car wash machine body 11 to the car wash work position, stops the engine, and stops further.

  (3) The car wash machine body 11 is caused to travel from the car wash start position, and the car wash process is performed by the selected car wash course, for example, in one or more round trips of the car wash machine body 11. The driver waits in the car during the car wash.

  (4) After the car wash is completed, the driver is prompted to start the engine of the vehicle 1 and to leave the vehicle 1 from behind the car wash machine body 11. After the vehicle exit confirmation means 40 confirms the exit of the vehicle 1, the car wash machine body 11 is returned to the car wash start position.

  Accordingly, the car wash machine 10 has the following configuration in order to detect an unexpected movement of the vehicle 1 that is stopped at the car wash work position.

  The car wash machine 10 includes first vehicle detection means 61 and second vehicle detection means 62 at each of at least two positions along the front-rear direction of the car wash machine body 11. In the present embodiment, the first vehicle detection means 61 is provided on the front end side of the car wash machine body 11, and the vehicle shape reading means 30 is also used as the first vehicle detection means 61. Further, the second vehicle detection means 62 is provided on the rear end side of the car wash machine main body 11, and the vehicle exit confirmation means 40 is also used as the second vehicle detection means 62. At this time, the installation interval between the first vehicle detection means 61 and the second vehicle detection means 62 is D. When the longitudinal length of the vehicle 1 is L, D <L.

  The control means 50 obtains the detection results of the first vehicle detection means 61, the second vehicle detection means 62 and the travel distance detection means 20 when the car wash machine body 11 is caused to run from the car wash start position as described above to perform the car wash process. Then, the following vehicle movement monitoring operations (1) to (3) are performed.

  (1) The control means 50 is a detection distance of the travel distance detection means 20 while the first vehicle detection means 61 detects the front end (front end detection signal A1) and the rear end (rear end detection signal A2) of the vehicle 1. First detection distance A is obtained (FIG. 2).

  (2) The control means 50 is a detection distance of the travel distance detection means 20 while the second vehicle detection means 62 detects the front end (front end detection signal B1) and the rear end (rear end detection signal B2) of the vehicle 1. The second detection distance B is obtained (FIG. 2).

  (3) The control means 50 compares A and B and determines that the vehicle 1 has moved on the condition that A ≠ B, and in this embodiment, there is a certain difference between A and B. .

  The control means 50 sets C1 as the detection distance of the travel distance detection means 20 from when the first vehicle detection means 61 detects the front end of the vehicle 1 until the second vehicle detection means 62 detects the front end of the vehicle 1. When the detection distance of the travel distance detection means 20 from when the first vehicle detection means 61 detects the rear end of the vehicle 1 to when the second vehicle detection means 62 detects the rear end of the vehicle 1 is C2 (FIG. 2) The following (1) and (2) vehicle movement monitoring operations can also be performed.

(1) As the car wash machine body 11 travels, the first vehicle detection means 61 detects the front end of the vehicle 1 and the second vehicle detection means 62 detects the front end of the vehicle 1.
If C1 = D, the vehicle 1 is stationary in the meantime,
If C1 <D, the vehicle 1 moves by a distance | D−C1 | in the direction opposite to the traveling direction of the car wash machine body 11 in the meantime,
If C1> D, it is determined that the vehicle 1 has moved by a distance | D-C1 | in the traveling direction of the car wash machine body 11 during that time.

(2) With the traveling of the car wash machine main body 11, the first vehicle detection means 61 detects the rear end of the vehicle 1 and the second vehicle detection means 62 detects the rear end of the vehicle 1.
If C2 = D, the vehicle 1 is stationary in the meantime,
If C2 <D, the vehicle 1 moves by a distance | D−C2 | in the direction opposite to the traveling direction of the car wash machine body 11 in the meantime,
If C2> D, it is determined that the vehicle 1 has moved the distance | D-C2 | in the traveling direction of the car wash machine body 11 during that time.

  When the control unit 50 detects an unexpected movement of the vehicle 1, the control unit 50 performs a safe operation process on the car wash machine body 11 and performs a safety guidance process on the driver of the vehicle 1.

  The control means 50 is provided with a recording means 51 incidental. The recording means 51 records the vehicle movement information as described above determined by the control means 50 together with the car wash course at that time.

  As recorded information to the recording means 51, in addition to the car wash course information, car wash auxiliary information such as car wash date and time, selection of whether or not to wash the lower part of the vehicle, the first detection distance A, the second detection distance B, and the first detection Comparing and subtracting the distance A and the second detection distance B, that is, the movement amount calculated by | A−B |, the movement amount obtained by | D−C1 |, and the above-described C1 and D are compared. The moving direction obtained by doing the above, the moving amount obtained by | D−C2 |, and the moving direction obtained by comparing C2 and D described above, the first vehicle detection means 61 detects the front end of the vehicle. When the distance from the car wash start position of the car wash machine, the distance from the car wash start position of the car wash machine when the first vehicle detection means 61 detects the rear end of the vehicle, When the second vehicle detection means 62 detects the vehicle front end Distance from the car wash start position of the car wash machine, second vehicle Distance detecting means 62 from the car wash start position of the car wash when the detected vehicle rear, and the like.

  Further, the recording means 51 may calculate a movement amount and a movement direction when the vehicle moves by collecting a part of the obtained information or the information, or may be a car wash vehicle. May be omitted, the distance detection information, the movement distance, and the movement direction may be omitted, and only representative information indicating that the movement is not performed may be recorded.

  In the car wash machine 10, vehicle detection means 61, 62, 63 (not shown) may be provided at three or more positions along the front-rear direction of the car wash machine body 11. Due to the presence of the vehicle detection means 63 provided at an intermediate position in addition to the front and rear end sides of the car wash machine body 11 in the front-rear direction, the car wash machine body 11 does not complete one forward or one backward run. The presence or absence of movement of the vehicle 1 can be detected even during the traveling stage, and the unexpected movement of the vehicle 1 can be detected early.

  Further, for example, the first vehicle detection means 61 provided at one position in the front-rear direction of the car wash machine body 11 is configured by a plurality of vehicle detection means 61A, 61B,. The detection accuracy can be improved by averaging the detection timings of the front end and the rear end of the vehicle 1 by the vehicle detection means 61A, 61B.

According to the present embodiment, the following operational effects can be obtained.
(a) The control means 50 obtains the detection results of the first and second vehicle detection means 61 and 62 and the detection result of the travel distance detection means 20 so that the first vehicle detection means 61 The first detection distance A of the travel distance detection means 20 while detecting the end, and the second detection distance of the travel distance detection means 20 while the second vehicle detection means 62 detects the front end and the rear end of the vehicle 1. B is obtained, A and B are compared, and the unexpected movement of the vehicle 1 parked at the car wash work position can be determined from a certain difference between A and B. By using non-contact sensors as the first and second vehicle detection means 61 and 62, it is possible to easily and reliably detect an unexpected movement of the vehicle 1.

  (b) The control means 50 sets the installation interval of the first and second vehicle detection means 61 and 62 to D, and the first vehicle detection means 61 detects the front end of the vehicle 1 as the car wash machine body 11 travels. The detection distance of the travel distance detection means 20 until the second vehicle detection means 62 detects the front end of the vehicle 1 is C1, and the second vehicle after the first vehicle detection means 61 detects the rear end of the vehicle 1 The detection distance of the travel distance detection means 20 until the detection means 62 detects the rear end of the vehicle 1 is C2, and the first vehicle detection means 61 detects the front end of the vehicle 1 by comparing D with C1, C2. Until the second vehicle detection means 62 detects the front end of the vehicle 1, or after the first vehicle detection means 61 detects the rear end of the vehicle 1, the second vehicle detection means 62 The presence or absence of movement of the vehicle 1 and the direction of movement until the end is detected. It can be cross-sectional. | D-C1 | and | D-C2 | can be estimated as the movement distance.

  (c) By having the recording means 51 for recording the vehicle movement information determined by the control means 50, the recorded vehicle movement information can be used to explain the vehicle movement situation to the car wash customer.

  (d) The determination of the movement of the vehicle 1 by the control means 50 is performed when the vehicle 1 is within the installation interval of the first and second vehicle detection means 61 and 62 provided in the car wash machine body 11 during the traveling process of the car wash machine body 11. Only done while in existence. Accordingly, the first and second vehicle detection means 61 are provided by providing the first vehicle detection means 61 on the front end side of the car wash machine body 11 and providing the second vehicle detection means 62 on the rear end side of the car wash machine body 11. In other words, the installation interval of 62 can be maximized, in other words, the opportunity for the control means 50 to determine the movement of the vehicle 1 can be maximized. In addition, the first and second vehicle detection means 61 and 62 are arranged as far as possible from the brush devices 12 to 14 inside the car wash machine body 11, and they are far from the splash of the car wash liquid. Detection accuracy can be improved.

  (e) Since the vehicle shape reading unit 30 is also used as the first vehicle detection unit 61 and the vehicle exit confirmation unit 40 is also used as the second vehicle detection unit 62, it is not necessary to provide a dedicated detection unit.

  The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. It is included in the present invention.

FIG. 1 is a control system diagram showing a car wash machine. FIG. 2 is a schematic diagram showing the detection principle of the first vehicle detection means and the second vehicle detection means.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle 10 Car wash machine 11 Car wash machine main body 20 Traveling distance detection means 30 Vehicle shape reading means 40 Vehicle exit confirmation means 50 Control means 51 Reading means 61 First vehicle detection means 62 Second vehicle detection means

Claims (5)

In a car wash machine for washing a car by running the car wash machine body in the front-rear direction with respect to the vehicle at the car wash work position,
While providing first and second vehicle detection means at at least two positions along the front-rear direction of the car wash machine main body,
Providing travel distance detection means for detecting the travel distance of the car wash machine body,
The first detection distance A of the travel distance detection means while the first vehicle detection means detects the front end and the rear end of the vehicle, and the travel distance detection while the second vehicle detection means detects the front end and the rear end of the vehicle. A car wash machine comprising: a control means for obtaining a second detection distance B of the means, comparing A and B, and determining that the vehicle has moved due to a difference between A and B being equal to or greater than a certain value. In a car wash machine for washing a car by running the car wash machine body in the front-rear direction with respect to the vehicle at the car wash work position,
While providing first and second vehicle detection means at at least two positions along the front-rear direction of the car wash machine main body,
Providing travel distance detection means for detecting the travel distance of the car wash machine body,
The installation interval of the first and second vehicle detection means provided in the car wash machine body is D, and the second vehicle detection means is detected after the first vehicle detection means detects the front end of the vehicle as the car wash machine body travels. The detection distance of the travel distance detection means until the front end of the vehicle is detected is C1, and the travel from when the first vehicle detection means detects the rear end of the vehicle until the second vehicle detection means detects the rear end of the vehicle. When the detection distance of the distance detection means is C2,
As C1 = D from the time when the first vehicle detection means detects the front end of the vehicle to the time when the second vehicle detection means detects the front end of the vehicle as the car wash machine travels, the vehicle does not move between them. And if C1 <D, the vehicle moves in the opposite direction to the direction of travel of the car wash machine during that time, and if C1> D, the vehicle is judged to have moved in the direction of travel of the car wash machine during that time,
When C2 = D from the time when the first vehicle detection means detects the rear end of the vehicle to the time when the second vehicle detection means detects the rear end of the vehicle as the car wash machine travels, the vehicle If C2 <D, it is determined that the vehicle has moved in the direction opposite to the traveling direction of the car washer, and if C2> D, the vehicle moved in the traveling direction of the car washer during that time. A car wash machine comprising a control means for judging that the vehicle has been used.   The car wash machine according to claim 1 or 2, further comprising recording means for recording vehicle movement information determined by the control means.   The car wash machine according to any one of claims 1 to 3, wherein the first vehicle detection means is provided on the front end side of the car wash machine main body, and the second vehicle detection means is provided on the rear end side of the car wash machine main body.   5. The car wash machine according to claim 4, wherein a vehicle shape reading unit is also used as the first vehicle detection unit, and a vehicle exit confirmation unit is also used as the second vehicle detection unit.

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