JP2010047066A - Car washing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a car washing machine capable of preventing a flaw from being enlarged when washing a vehicle that has the flaw on its surface and whose surface is heated to a high temperature. <P>SOLUTION: The car washing machine includes a non-contact radiation thermometer, which detects the surface temperature of a vehicle to be washed, and an air jet means, which jets air to the vehicle. When the surface temperature T of the vehicle detected by the radiation thermometer is equal to or higher than a first set temperature Tsu, at which it is estimated that the surface of the vehicle is heated to a high temperature, or a second set temperature Tsk, at which it is estimated that the surface temperature of the vehicle is around the normal temperature, the surface temperature of the vehicle is reduced by jetting air to the vehicle by the air jet means before the start of washing the vehicle by a car washing machine body. Thereby, a rapid temperature change, which occurs on the surface of the vehicle if water is sprayed on the vehicle in car washing, can be prevented, so that cracks can be prevented from occurring around a small flaw on the painted surface of the vehicle. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a car wash machine that performs a car wash by moving a vehicle to be washed and a car wash machine body relative to each other, and more particularly to a car wash machine used in a warm area.

An example of the conventional car wash machine is disclosed in Patent Document 1.
The car wash machine described in Patent Document 1 is formed in a gate shape so as to straddle a car to be car washed, and has a car wash machine body that is moved relative to the vehicle along a rail laid on the floor surface. I have. The car wash machine main body includes a brush device for brushing the vehicle, a spray device for spraying a liquid or the like on the vehicle, and a drying device for drying the vehicle, an appropriate sensor provided in the car wash machine main body, etc. The vehicle to be car-washed is driven while the car-washing device is driven relative to the vehicle based on information necessary for car-washing, such as the shape of the vehicle detected by the sensor or the like and the relative movement position of the car-washing machine body and the vehicle. Car wash is being carried out.

Further, the spray device has a foam detergent nozzle for spraying foam detergent, and in such a car wash machine, the foaming liquid is sprayed on the vehicle to be washed, and the car is washed. For example, in warm regions, when warmed by sunlight and the surface of the vehicle is hot, preliminary washing is carried out by spraying washing water on the vehicle in the first forward step of the car wash machine body, Foaming detergent is sprayed after the surface of the vehicle is cooled. Therefore, the foaming detergent is prevented from being burned into a high-temperature vehicle, and the vehicle is washed.
JP 2002-046582 A

If there is a small scratch on the windshield of the vehicle due to contact with, for example, pebbles, etc., there is a risk of cracking from the small scratch when a sudden temperature change is applied.
In a conventional car wash machine, water is sprayed on the windshield of the vehicle from the initial car wash process by a spray device, so that if the windshield of the vehicle has small scratches, especially in summer, the vehicle is heated by sunlight. However, when the temperature is high (for example, 50 to 60 °), cracks enter the windshield from the scratches, and further brushing and pressing with a brush device may cause the cracks to spread.

  In addition, if well water, etc., whose water temperature is low even in summer, is used as the washing water used for washing the vehicle, the windshield of the vehicle will be further cooled rapidly, and there is a possibility that the windshield will crack and spread There was a risk of growing.

  Also, if there are small scratches on the painted surface of the vehicle (vehicle body), if the cleaning water is sprayed on the hot painted surface and the painted surface is cooled rapidly, the temperature of the painted surface will change rapidly. It happened and there was a risk that the original small wound would expand.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a car wash machine that can prevent the spread of the scratches when cleaning a vehicle having a scratch on the surface and being heated to a high temperature.

In order to achieve the above-described object, the invention according to claim 1 of the present invention is a car wash machine provided with a car wash machine body for washing the vehicle while moving relative to the vehicle to be washed.
A temperature detection means for detecting the surface temperature of the vehicle or a thermometer for detecting the temperature around the car wash machine body is provided, and an air injection means for injecting air to the vehicle is provided, which is detected by the temperature detection means. When the surface temperature of the vehicle is equal to or higher than a preset temperature, or when the temperature detected by the thermometer is equal to or higher than a preset temperature, before the vehicle washing by the car washer body is started. In addition, the air injection means may inject air into the vehicle to lower the surface temperature of the vehicle.

  According to the above configuration, when it is detected that the surface temperature of the vehicle or the ambient temperature is equal to or higher than the set temperature, air is injected from the air injection means to the vehicle before the car wash starts, and the surface temperature of the vehicle is Gradually lowered. Therefore, when there are small scratches on the surface of the vehicle, particularly the surface of the windshield, and the surface of the vehicle is hot, the water sprayed on the vehicle during the car wash causes a sudden temperature change on the surface of the vehicle. It is prevented that cracks (enlargement of scratches) occur around the scratch.

  The invention according to claim 2 is the invention according to claim 1, wherein the temperature detecting means is constituted by a non-contact type radiation thermometer and can detect the surface temperature of the windshield portion of the vehicle. It is characterized by being installed at a location.

  According to the above configuration, the temperature detecting means is a non-contact type radiation thermometer, the surface temperature of the windshield portion of the vehicle is detected from a distance without contact, and the temperature gradually increases when the surface of the windshield portion of the vehicle is hot. It is possible to automatically perform control for lowering.

  The invention according to claim 3 is the invention according to claim 1 or 2, further comprising cooling means for cooling the air injected from the air injection means and lowering the temperature of the air. It is a feature.

According to the above configuration, the air is cooled by the cooling means, the temperature is lowered, for example, several degrees, and injected to the vehicle, and the surface temperature of the vehicle is lowered before the car wash is started.
The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the car wash machine body includes a brush device for brushing the vehicle, and air to the vehicle. A car washing device comprising a drying device for spraying and drying, and a spray device for spraying washing water, detergent, etc. used for car washing on the vehicle,
The air injection means is formed from the drying device, and before the vehicle is washed, the drying device is driven while moving the car wash body and the vehicle relative to each other, and air is directed toward the vehicle. It is characterized by lowering the surface temperature of the vehicle by injecting.

  According to the above configuration, before the vehicle washing starts, the car washer body and the vehicle are relatively moved, air is injected from the drying device toward the vehicle, and the surface temperature of the vehicle is lowered. In this way, the existing drying device can be used as the air jetting means, and the need to newly install the device can be eliminated.

  Further, the invention according to claim 5 is the invention according to claim 4, wherein the car wash pattern for washing the vehicle in the forward path and the backward path in which the car wash machine body and the vehicle are relatively moved is used as the car wash pattern from the first forward path. In the first car wash pattern for starting the car wash, and in the first reciprocating path, the drying device is driven to inject air toward the vehicle, and the second car start to wash the vehicle from the second forward path. In the car wash pattern and the first forward path, the drying device is driven to inject air toward the vehicle, and in the first return path, the spray device is driven to spray cleaning water toward the vehicle, In the third car wash pattern for starting the car wash of the vehicle from the second forward path, and in the first round-trip path, the drying device is driven to inject air toward the vehicle, and in the second round-trip path, the spray device The A fourth car wash pattern that moves and sprays wash water toward the vehicle and starts washing the vehicle from the third forward path, and the set temperature is heated to a high temperature on the surface of the vehicle. The first set temperature estimated and the second set temperature estimated that the surface of the vehicle is near normal temperature are set in two stages, and the surface temperature detected by the temperature detecting means or the thermometer is set. When the detected temperature is equal to or higher than the first set temperature, the fourth car wash pattern is selected, and the surface temperature detected by the temperature detecting means or the temperature detected by the thermometer is less than the first set temperature. When the temperature is equal to or higher than the second set temperature, the second car wash pattern or the third car wash pattern is selected, and the surface temperature detected by the temperature detecting means or the air temperature detected by the thermometer is less than the second set temperature. When the first It is characterized in performing a wash of the vehicle to select the car pattern.

  According to the above configuration, the surface temperature detected by the temperature detection means or the air temperature detected by the thermometer is compared with the first set temperature and the second set temperature, and according to the first set temperature and the second set temperature. The car wash pattern is selected and the car is washed.

  That is, when the surface of the vehicle is equal to or higher than the temperature estimated to be heated to a high temperature, air is injected into the vehicle by the drying device in the first reciprocating path, and the surface of the vehicle is gradually cooled. , Water is sprayed onto the vehicle by the spray device to further gradually cool the surface of the vehicle, and normal vehicle washing is started from the third forward path.

  In addition, when the temperature of the vehicle surface is less than the temperature estimated to be heated to a high temperature, but when the temperature is equal to or higher than the temperature estimated to be near room temperature, air is injected into the vehicle by the drying device in the first round-trip path. The surface is gradually cooled and normal vehicle washing is started from the second forward path, or air is sprayed onto the vehicle by the drying device in the first forward path to gradually cool the surface of the vehicle, and in the first return path, Water is sprayed onto the vehicle by the spray device to further gradually cool the surface of the vehicle, and normal vehicle washing starts from the second forward path.

  When the surface of the vehicle is lower than the temperature estimated to be near normal temperature, normal vehicle washing is started from the first forward path without cooling the surface of the vehicle.

  When it is detected that the surface temperature of the vehicle or the ambient temperature is equal to or higher than the set temperature, the car wash machine of the present invention injects air from the air injection means to the vehicle before starting the car wash, When the vehicle surface is gradually lowered, the surface of the vehicle, particularly the surface of the windshield, has small scratches, and when the surface of the vehicle is hot, It has an effect that it is possible to prevent a rapid temperature change from occurring on the surface of the film and to prevent the occurrence of cracks (enlargement of the flaw) around the flaw.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 2 is a side view of the car wash machine according to the embodiment of the present invention, and FIG. 3 is a front view of the car wash machine.
As shown in FIG. 2 and FIG. 3, reference numeral 7 denotes a rail (a constant route) that spans the vehicle to be cleaned (vehicle to be cleaned such as a normal vehicle) 5 and is laid on the floor F via a plurality of wheels 8. An example) A gate-type car wash body that travels in the front-rear direction A of the vehicle 5 to be cleaned, and reciprocally travels along a predetermined route in the front-rear direction A. A direction perpendicular to the front-rear direction A is a left-right direction (vehicle width direction) B.

  In the car wash machine body 7, as a car wash device, a brush device 9 (FIG. 5) for brushing the vehicle to be cleaned 5, washing water (rinse) to the vehicle to be cleaned 5, a detergent, a water repellent coating agent, A spray device 10 (FIG. 5) for spraying wax is provided, and a drying device 11 (FIG. 5) for injecting air to dry the vehicle 5 to be cleaned is provided as a drying unit and an air injection unit.

  As an example of the spray device 10, a first washing water nozzle (an example of a water spray nozzle) 12, a first detergent nozzle 13, a second washing water nozzle 14, a water repellent coating agent nozzle 15, and a second detergent nozzle 16 and the wax nozzle 17 are arranged in this order from the front part to the rear part. Each of these nozzles 12 to 17 is configured, for example, in an arch shape, and only the first washing water nozzle 12 is formed as a high-pressure nozzle, and is separated into an upper nozzle 12a and side nozzles 12b, and the upper nozzle 12a is the car wash machine body 7 The head is swingable in the left-right direction B by a known swing device 28 provided above the front portion of the head. An example of the configuration of the rocking device 28 is disclosed in Japanese Patent Application Laid-Open No. 11-227577.

  Water is jetted from the first cleaning water nozzle 12 and the second cleaning water nozzle 14 to the vehicle 5 to be cleaned, and from the first detergent nozzle 13 and the second detergent nozzle 16 to the vehicle 5 to be cleaned. On the other hand, detergent diluted with water is sprayed. The water-repellent coating agent nozzle 15 sprays water-repellent coating agent diluted with water on the vehicle 5 to be cleaned, and the wax nozzle 17 waxes diluted with water on the vehicle 5 to be cleaned. Is injected.

  As an example of the brush device 9, the front and rear surfaces and side surfaces of the vehicle 5 to be cleaned are cleaned in the left-right direction B, and the side brush 18 that can be moved in and out in the left-right direction B. A retractable rocker brush 19 and a top brush 20 that can be moved up and down to clean the upper surface of the vehicle 5 to be cleaned are disposed.

  Further, as an example of the drying device 11, a vertically movable top nozzle 21 that dries the front and rear surfaces and the top surface of the vehicle 5 to be cleaned, a pair of left and right side nozzles 22 that dry both sides of the vehicle 5 to be cleaned, and the top nozzle 21. A pair of left and right top blower devices 24 connected to the top nozzle 21 via a duct hose 23 and a pair of left and right top blower devices 24 connected to the side nozzle 22 via a duct hose 25 and supplying wind to the side nozzle 22 respectively. Side side blower device 26 is provided.

  A car shape detection sensor is located inside the car wash machine body 7 and is located in front of the car wash machine body 7 for reading the car shape (silhouette) from the side of the vehicle 5 to be washed as the car wash machine body 7 travels. 31 is provided. A travel drive device (drive motor or the like) 32 for traveling the car wash machine body 7 is connected to the wheel 8 of the car wash machine body 7, and a travel encoder 33 is connected to the travel drive device 32. Yes. The vehicle shape detection sensor 31 is configured by vertically arranging a plurality of photoelectric switches each including a light transmitting and receiving unit disposed horizontally facing the left and right side positions of the vehicle 5 to be cleaned. By detecting the photoelectric switch whose optical axis is cut off, the vehicle height of the vehicle 5 to be cleaned at the position of the vehicle shape detection sensor 31 is detected.

  A non-contact type radiation thermometer (an example of temperature detecting means) 34 is provided at the front upper center tip of the car wash machine body 7 toward the windshield part (an example of the surface) 5A of the vehicle 5 to be cleaned. The contact-type radiation thermometer 34 measures (detects) the surface temperature of the windshield 5A (an example of the surface temperature of the vehicle).

An operation panel 36 is provided on the front surface of the right vertical frame portion of the car wash machine body 7, and a control device 38 for the car wash machine body 7 is provided on the back surface side of the operation panel 36.
Further, a spray control panel 39 is provided on the inner side surface of the left vertical frame portion (one side portion) of the car wash machine body 7 so as to be located behind the side nozzle 22 and in front of the rocker brush 19. In the spray control panel 39, there is provided a liquid storage tank chamber (tank storage section) 40 in which a liquid storage tank 59 (details will be described later) shown in FIG. Water distribution means) 41 is provided.

  The water panel 41 supplies water to each of the nozzles 12 to 17 by controlling the valve group or the like. As shown in FIG. 4, the water panel 41 is normally connected to a water supply device (an example of water supply means) 42 on the ground side. It is connected via a water supply pipe (hose) 43a and a high-pressure water supply pipe (hose) 43b. The water supply device 42 includes a water storage tank 44, a (normal pressure) submersible pump 45a and a high pressure submersible pump 45b, etc. disposed in the water storage tank 44. The submersible pump 45a is connected to the start end of the normal water supply pipe 43a. Is connected, and the high-pressure submersible pump 45b is connected to the starting end of a high-pressure water supply pipe (hose) 43b.

  The water panel 41 is provided with a high-pressure pipe 50 to which high-pressure water is supplied from the water supply device 42 via the high-pressure water supply pipe 43b, high-pressure water is supplied to the first washing water nozzle 12, and a normal water supply pipe 43a. A main pipeline 51 through which water is supplied, and a branch pipeline 52 that is branched from the main pipeline 51 and supplies water to each of the nozzles 13 to 17, and the high-pressure pipeline 50 of the first washing water nozzle 12. The first electromagnetic valve 53 is interposed in each of the branch pipes 52 of the second washing water nozzle 14, and each of the branch pipes 52 of the liquid agent injection nozzles 13, 15, 16, 17 is second in order from the upstream side. A solenoid valve 54 and a siphon injector 55 are interposed.

  Further, a liquid agent supply device (an example of a liquid agent supply means) 58 is connected to the branch pipe lines 52 of the respective liquid agent injection nozzles 13, 15, 16, and 17 via siphon injectors 55. The liquid supply device 58 includes a liquid storage tank 59 housed in the liquid storage tank chamber 40 and a liquid agent pipe 60 provided from the liquid storage tank 59 to the siphon injector 55. Here, in each liquid storage tank 59 corresponding to the liquid agent injection nozzles 13, 15, 16, and 17, a liquid detergent, a water repellent coating agent, and wax are stored as liquid agents. As said each liquid agent, the undiluted solution or the thing diluted to the predetermined density | concentration is used suitably.

  As shown in FIG. 5, the control device 38 receives from the operation panel 36 data necessary for car washing, for example, a setting signal for a selected car washing course (pattern), operation signals such as start and stop, The detection signal of the vehicle shape detection sensor 31, the detection signal of the traveling encoder 33, and the detection signal of the non-contact type radiation thermometer 34 are input, and the control device 38 receives signals from these operation panels 36 and detection signals of sensors. The spray device 10 (the first electromagnetic valve 53 of the nozzles 12, 14 and the second electromagnetic valve 54 of the nozzles 13, 15, 16, 17), the drying device 11 (blower devices 24, 26), the brush device 9 (Brush 18, 19, 20), traveling drive device 32, submersible pump 45a, high-pressure submersible pump 45b, swing device 28, etc. are controlled to control the overall operation of the car washer 7 and carry out the car wash operation. To have.

  Examples of the car washing course include a water washing course, a quick wax course, a double wax course, and a water repellent coating course. Of these car washing courses, the car washing operation in the water washing course and the quick wax course will be described.

  In the washing course, washing water (rinse) is sprayed from the first washing water nozzle 12 and the second washing water nozzle 14 onto the vehicle 5 to be washed in the forward path in which the car wash machine body 7 moves forward by the travel drive device 32, and the brush The vehicle 5 to be cleaned is cleaned by the device 9, and then the drying by the drying device 11 is performed on the return path in which the car wash machine body 7 moves backward by the travel drive device 32.

  In the quick wax course, the wash water (rinse) is sprayed from the first wash water nozzle 12 and the second wash water nozzle 14 to the vehicle 5 to be washed in the forward path in which the car wash machine body 7 moves forward by the travel drive device 32. The detergent is sprayed from the first detergent nozzle 13, the wax is sprayed from the wax nozzle 17, the vehicle to be cleaned 5 is cleaned by the brush device 9, and then the car wash machine body 7 is moved backward by the travel drive device 32. Then, drying by the drying device 11 is performed.

Further, the control device 38 includes four car wash patterns to be executed (before actual car wash) before executing the selected car wash course.
[First car wash pattern]
From the first forward path in which the car wash machine main body 7 moves forward, the car to be cleaned 5 is immediately started to be washed based on the selected car wash course.

[Second car wash pattern]
In the first reciprocating path in which the car wash machine body 7 moves forward and backward, while the car wash machine body 7 is reciprocatingly driven by the travel drive device 32, the drying device 11 (blower devices 24 and 26) is driven to be covered by the nozzles 21 and 22. Air is sprayed toward the washing vehicle 5 and the washing of the vehicle 5 to be washed is started based on the selected car washing course from the second forward path.

[Third car wash pattern]
In the first forward path in which the car wash machine body 7 moves forward, while the car wash machine body 7 is moved forward by the travel drive device 32, the drying device 11 (blower devices 24, 26) is driven to drive the vehicle 5 to be cleaned from the nozzles 21, 22. In the first return path in which air is sprayed toward the vehicle and the car wash machine body 7 moves backward, the high pressure submersible pump 45b is driven while the car wash machine body 7 is moved backward by the travel drive device 32, and the first electromagnetic valve 53 is opened. The oscillating device 28 swings the head and sprays the cleaning water from the first cleaning water nozzle 12 toward the vehicle 5 to be cleaned. From the second forward path, the car wash of the vehicle 5 to be cleaned is based on the selected car wash course. To start.

[4th car wash pattern]
In the first reciprocating path, while the car wash machine body 7 is reciprocated by the travel drive device 32, the drying device 11 (blower devices 24, 26) is driven to supply air from the nozzles 21, 22 toward the vehicle 5 to be cleaned. In the second reciprocating path, the high pressure submersible pump 45b is driven while the car wash machine body 7 is reciprocatingly driven by the travel drive device 32, the first electromagnetic valve 53 is opened, and the swinging device 28 swings the head. Then, the cleaning water is sprayed from the first cleaning water nozzle 12 toward the vehicle 5 to be cleaned, and the vehicle 5 to be cleaned is started based on the selected car washing course from the third forward path.

  In addition, the control device 38 includes a first set temperature Tsu (for example, 50 ° C.) set to a temperature at which the surface of the vehicle 5 to be cleaned is estimated to be heated to a high temperature, and the surface of the vehicle 5 to be cleaned. A second set temperature Tsk (for example, 25 ° C.) set to a temperature estimated to be near normal temperature is provided. Further, which of the second car wash pattern and the third car wash pattern is selected can be selected in advance by an operator (for example, an operator of a service station where the car wash machine is installed), and is set in the control device 38. .

  Moreover, as shown in the flowchart of FIG. 1, the control device 38, according to the surface temperature T of the windshield portion 5 </ b> A measured by the non-contact type radiation thermometer 34, before starting the washing of the vehicle 5 to be cleaned, The car wash pattern is selected.

  First, in a state where the vehicle to be cleaned 5 is stopped at the car wash start position, a driver or an operator operates the operation panel 36 to set one desired car wash course and a start switch (see FIG. When it is confirmed that the ON operation is not performed (step-1), the surface temperature T of the windshield portion 5A measured by the non-contact type radiation thermometer 34 is compared with the first set temperature Tsu (step-2).

  When the surface temperature T of the windshield portion 5A is equal to or higher than the first set temperature Tsu, the fourth car wash pattern is selected (step-3), the fourth car wash pattern is executed (step-4), and is selected after execution. Car wash course is executed (step-5).

  In step-2, when the surface temperature T of the windshield portion 5A is lower than the first set temperature Tsu, the surface temperature T of the windshield portion 5A is compared with the second set temperature Tsk (step-6).

  When the surface temperature T of the windshield portion 5A is equal to or higher than the second set temperature Tsk, the preset second car wash pattern or third car wash pattern is selected (step-7), and the second car wash pattern or the third car wash pattern is selected. (Step-8), and after the execution, move to Step-5 to execute the selected car wash course.

  In Step-6, when the surface temperature of the windshield portion 5A is lower than the second set temperature Tsk, the first car wash pattern is selected (Step-9). In this first car wash pattern, there is no pre-process, so the process moves to Step-5 to execute the selected car wash course.

The effect | action by operation | movement of the said control apparatus 38 is demonstrated.
When performing the car wash, the driver or the operator operates the operation panel 36 in a state where the vehicle 5 to be cleaned is first stopped, so that one desired car wash course is set out of the four car wash courses. . In this state, a car wash is started by turning on a start switch (not shown) of the operation panel 36.

  When the control device 38 confirms the operation of the start switch, the control device 38 compares the surface temperature T of the windshield 5A measured by the non-contact type radiation thermometer 34, the first set temperature Tsu, and the second set temperature Tsk, and is selected. Before executing the car wash course, the car wash pattern to be executed (before actual car wash) is selected.

  That is, when T ≧ Tsu, the fourth car wash pattern is selected, when Tsu> T ≧ Tsk, the preselected third car wash pattern or the second car wash pattern is selected, and when Tsk> T, the first car wash pattern is selected. A pattern is selected, and the selected car wash pattern (before actual car wash) is executed.

  First, when the surface temperature T of the windshield portion 5A measured by the non-contact type radiation thermometer 34 is equal to or higher than the first set temperature Tsu that is estimated that the surface of the vehicle 5 to be cleaned is heated to a high temperature. Air is jetted toward the vehicle 5 to be cleaned in the round-trip path and gradually cooled, and then the cleaning water is sprayed toward the vehicle 5 to be cleaned in the second round-trip path and further cooled gradually, causing a sudden temperature change. Cool in stages while avoiding. In this way, the vehicle 5 to be cleaned is cooled by air in the first round trip and by water in the second round trip, and the surface temperature of the vehicle 5 to be cleaned becomes high over time by reciprocating the car wash machine body 7 twice. From this state, it is cooled in stages.

  Further, the surface temperature T of the windshield portion 5A measured by the non-contact type radiation thermometer 34 is less than the first set temperature Tsu where the surface of the vehicle 5 to be cleaned is estimated to be heated to a high temperature. When the surface of No. 5 is equal to or higher than a second set temperature Tsk that is estimated to be a temperature near normal temperature, air is jetted toward the vehicle 5 to be cleaned in the first forward path, and then gradually cooled, and then in the first return path The air is continuously jetted toward the vehicle 5 to be cleaned, or the cleaning water is sprayed toward the vehicle 5 to be cleaned to further gradually cool, and the cooling is performed step by step while avoiding a sudden temperature change. In this way, air is cooled in the first forward path, air or water in the first return path, the car wash machine body 7 is reciprocated once, and the surface temperature of the vehicle 5 to be cleaned is from a state between normal temperature and high temperature, To be cooled.

  Further, when the surface temperature T of the windshield portion 5A measured by the non-contact type radiation thermometer 34 is lower than the second set temperature Tsk where the surface of the vehicle 5 to be cleaned is estimated to be a temperature near normal temperature, it is specially selected. There is no cooling step.

  (Before actual car wash) When the execution of the car wash pattern is completed, the car wash is executed according to each car wash process of the car wash course set in advance. That is, while the car wash machine body 7 is driven to reciprocate by driving the travel drive device 32, the brushes 18, 19, and 20 that are expanded by rotation approach and move away from each other, and the water (wash water) through the wash water nozzles 12 and 14 ), Supply of diluted detergent through the detergent nozzles 13, 16, supply of diluted water repellent coating agent through the water repellent coating agent nozzle 15, supply of diluted wax through the wax nozzle 17 In addition, the operation is performed by appropriately combining the blowing of wind from the nozzles 21 and 22 of the drying device, and the respective car washing steps for the vehicle 5 to be cleaned are executed. When performing such a car washing process, the vehicle height, the vehicle length, the moving distance, and the like are detected by detection means such as the vehicle shape detection sensor 31 and the traveling encoder 33, and the vehicle is suitably operated.

When each car wash process of the selected car wash course is completed, the car wash machine main body 7 is driven by the travel drive device 32 to return to the home position (HP; initial position), and the process ends.
As described above, according to the present embodiment, when it is detected that the surface temperature of the vehicle 5 to be cleaned is equal to or higher than the first set temperature Tsu or the second set temperature Tsk, before the actual car wash is started. The drying device 11 (blower devices 24 and 26) is driven to inject air from the nozzles 21 and 22 toward the vehicle 5 to be cleaned, and the surface temperature of the vehicle 5 to be cleaned is gradually lowered, so that the vehicle to be cleaned When there is a small flaw on the surface of the vehicle 5, particularly the surface of the windshield portion 5 </ b> A, a sudden temperature change occurs on the surface of the vehicle to be cleaned 5 due to water that is suddenly sprayed on the vehicle to be cleaned 5 during car washing It is possible to prevent the occurrence of cracks (enlargement of scratches) around the wound.

  Further, according to the present embodiment, by configuring the temperature detection means with the non-contact type radiation thermometer 34, the surface temperature of the vehicle 5 to be cleaned, in particular, the surface temperature of the windshield portion 5A can be detected from a distance without contact, The process of lowering the surface temperature can be performed automatically.

  In addition, according to the present embodiment, air is sprayed from the drying device 11 toward the vehicle 5 to be cleaned, and the surface temperature of the vehicle 5 to be cleaned is lowered, so that the existing drying device 11 is used as the air injection means. This eliminates the need for a new device.

  Further, according to the present embodiment, the surface temperature T of the vehicle 5 to be cleaned is compared with the first set temperature Tsu and the second set temperature Tsk, and the surface temperature of the vehicle 5 to be cleaned is the first set temperature Tsu and the first set temperature Tsu. 2. A car wash pattern is selected from among the four depending on whether the temperature is higher or lower than the set temperature Tsk. Depending on the surface temperature T of the vehicle 5 to be cleaned, the number of reciprocations of the car wash machine body 7, air and water (wash water) By changing the usage, it is possible to prevent the occurrence of cracks (enlargement of scratches) around small scratches and to minimize the extension of the car wash execution time.

  Further, according to the present embodiment, high-pressure water is sprayed from the first washing water nozzle 12, and the rocking device 28 is further swung to swing the high-pressure water spray in the left-right direction B. It is possible to apply water to the entire vehicle 5 to be cleaned, and water is applied to any surface of the vehicle 5 to be cleaned, even if there is a small scratch, and cracks (enlargement of scratches) occur around the small scratch. Can be prevented.

  In the present embodiment, a non-contact type radiation thermometer 34 is used as the temperature detecting means. Instead of the non-contact type radiation thermometer 34, the temperature around the car wash machine body 7 is detected. A thermometer may be used. The use of this thermometer is based on the assumption that the surface temperature T of the vehicle 5 to be cleaned is high when the ambient temperature is high, and is in two stages corresponding to the first set temperature Tsu and the second set temperature Tsk. A preset temperature is set in advance, and one car wash pattern is selected from the four car wash patterns based on the temperature detected by the thermometer and these preset temperature settings.

  Further, in the present embodiment, the non-contact type radiation thermometer 34 is provided at the front upper end of the car wash machine body 7, but is not limited to this position, and the surface temperature of the windshield portion 5 </ b> A of the vehicle 5 to be cleaned. May be installed at a location where it can be detected.

  In the present embodiment, ambient air is taken in from the blower devices 24 and 26 and supplied to the nozzles 21 and 22 to cool the vehicle 5 to be cleaned, but in order to enhance the cooling effect, 26, a cooler (an example of a cooling means) for cooling the air taken into the air blower 26 or the air supplied from the blower devices 24, 26 to the nozzles 21, 22 is provided in the car wash machine body 7 or the blower devices 24, 26. May be.

  According to this configuration, the air is cooled by the cooling means, and the temperature is lowered, for example, several degrees, and injected to the vehicle 5 to be cleaned. Can be lowered. In addition, as a cooler, the thing of the system which takes away heat from the circumference | surroundings, for example when compressing gas called a refrigerant | coolant with a compressor, it is made into a liquid and it cools and discharge | releases and becomes gas is used.

  In the present embodiment, the non-contact type radiation thermometer 34 that is a temperature detection means, the drying device 11 that is an air injection means, and the first washing water nozzle 12 of the spray device 10 are provided in the car wash machine body 7. It is not always necessary to provide the car wash machine body 7.

  As shown in FIG. 6, along the rail 6 of the car wash machine body 7, inside the car wash machine body 7, a pair of roller conveyors 61 are laid in the left-right direction B. An on-vehicle detection switch 62 for determining that the vehicle 5 to be cleaned has been placed at the vehicle stop position at the start of the predetermined vehicle washing by detecting the wheel 5B of the vehicle 5 to be cleaned is provided. A circuit breaker 64 is provided to prevent the cleaning vehicle 5 from entering. Further, an entrance passage (moving path) S of the vehicle 5 to be cleaned to the car wash machine is provided in front of the circuit breaker 64, and an approach is made above the circuit breaker 64. A car wash machine provided with a vehicle detection sensor 65 comprising an ultrasonic sensor for detecting the entry of the vehicle 5 to be cleaned into the passage S, and provided with an operation box 66 facing the entry passage S and having an operation panel 36 on its side. There is.

  In such a car wash machine, the non-contact type radiation thermometer 34 is installed so as to be able to detect the surface temperature of the windshield portion 5A of the vehicle to be cleaned 5 stopped in front of the circuit breaker 64, and the pair of left and right rails 6 The air nozzle 68 for injecting air to the entire vehicle to be cleaned 5 placed on the vehicle stop position at the time of starting the predetermined car wash of the roller conveyor 61 and the high-pressure water are respectively sprayed on the side as an air injection means and a spray device. A cooling arch 70 in which water spray nozzles 69 are alternately arranged in the front-rear direction A is provided.

  With this configuration, the vehicle 5 to be cleaned is stopped in front of the circuit breaker 64, a car wash course is set by the operation box 66 (operation panel 36), and the start switch is operated, the non-contact type radiation thermometer 34 The surface temperature of the windshield portion 5A of the cleaning vehicle 5 is measured, and one of the above car wash patterns (before the actual car wash) is selected according to the surface temperature. 5 is placed on the roller conveyor 61, and when the vehicle-mounted detection switch 62 confirms that the vehicle 5 to be cleaned is placed at the vehicle stop position at the start of the predetermined car wash, the following cooling process is executed by the selected car wash pattern. To do.

  In the fourth car wash pattern, first, air is sprayed from the cooling arch 70 for a set time corresponding to the time for which the car wash machine body 7 reciprocates, and when finished, the wash water is sprayed from the cooling arch 70 for the set time. When finished, run the selected car wash course.

  In the third car wash pattern, air is sprayed from the cooling arch 70 for half the set time, and when finished, the wash water is sprayed from the cooling arch 70 for half the set time and selected. Run a car wash course.

In the second car wash pattern, air is jetted from the cooling arch 70 for the set time, and the selected car wash course is executed upon completion.
In the first car wash pattern, the car wash course selected immediately is executed.

  Thus, even when the temperature detection means, the air injection means, and the spray device are separated from the car wash machine body 7, before the actual car wash is started, air is injected toward the vehicle to be cleaned 5, Alternatively, when water is continuously sprayed and the surface temperature of the vehicle 5 to be cleaned is lowered, and there is a small scratch on the surface of the vehicle 5 to be cleaned, particularly the surface of the windshield portion 5A, based on the selected car washing course. It is possible to prevent a sudden temperature change from occurring on the surface of the vehicle 5 to be cleaned due to water sprayed suddenly on the vehicle 5 to be cleaned, and cracking (enlargement of the scratch) around the scratch.

  In the present embodiment, high-pressure washing water is sprayed from the first washing water nozzle 12, but it is not always necessary to use a high pressure, and a rocking device 28 is provided, but it is not always necessary to rock the water. There is no.

It is a flowchart explaining the operation | movement before actual car wash execution of the control apparatus of the car wash machine in embodiment of this invention. It is a side view of the car wash machine. It is a front view of the car wash machine. It is a piping system diagram of the car wash machine. It is a control block diagram of the car wash. It is a schematic perspective view of the car wash machine in other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 5 Vehicle to be wash | cleaned 5A Front window part 7 Car wash machine main body 9 Brush apparatus 10 Spray apparatus 11 Drying apparatus 12 1st washing water nozzle 21 Top nozzle 22 Side nozzle 24 Top side blower apparatus 26 Side side blower apparatus 28 Oscillating apparatus 32 Travel drive Device 34 Non-contact type radiation thermometer 36 Operation panel 38 Control device 45a Submersible pump 45b High-pressure submersible pump A Front-rear direction B Vehicle width direction (left-right direction)

Claims (5)

A car wash machine having a car wash machine body for washing the vehicle while moving relative to the vehicle to be washed,
A temperature detection means for detecting the surface temperature of the vehicle, or a thermometer for detecting the temperature around the car wash machine body,
Air injection means for injecting air to the vehicle is provided,
When the surface temperature of the vehicle detected by the temperature detection means is equal to or higher than a preset temperature, or when the temperature detected by the thermometer is equal to or higher than a preset temperature, the car wash machine body Before starting the car washing of the vehicle, the air washing means lowers the surface temperature of the vehicle by injecting air to the vehicle from the air injection means. The car wash machine according to claim 1, wherein the temperature detecting means is configured by a non-contact type radiation thermometer and installed at a location where the surface temperature of the windshield portion of the vehicle can be detected. The car wash machine according to claim 1 or 2, further comprising a cooling unit that cools the air ejected from the air ejecting unit and lowers the temperature of the air. The car wash machine body is
A brush device for brushing the vehicle;
A drying device for injecting air into the vehicle and drying;
The vehicle has a car wash device composed of a spray device for spraying washing water, detergent, etc. used for car washing,
Forming the air injection means from the drying device;
Before the vehicle is washed, the drying device is driven while the car washer and the vehicle are relatively moved, and air is injected toward the vehicle to lower the surface temperature of the vehicle. The car wash machine according to any one of claims 1 to 3, wherein the car wash machine is characterized. As a car wash pattern for washing the vehicle in the forward path and the return path in which the vehicle washing machine body and the vehicle are relatively moved,
A first car wash pattern for starting the car wash from the first forward path;
A second car wash pattern for driving the drying device to inject air toward the vehicle in the first round-trip path and starting the car wash of the vehicle from a second forward path;
In the first forward path, the drying device is driven to inject air toward the vehicle. In the first return path, the spray device is driven to spray the cleaning water toward the vehicle. A third car wash pattern for starting the car wash;
In the first round-trip path, the drying device is driven to inject air toward the vehicle. In the second round-trip path, the spray device is driven to spray cleaning water toward the vehicle. A fourth car wash pattern for starting the car wash from the outward path,
The set temperature is set in two stages: a first set temperature estimated that the surface of the vehicle is heated to a high temperature, and a second set temperature estimated that the surface of the vehicle is near room temperature. And
When the surface temperature detected by the temperature detection means or the temperature detected by the thermometer is equal to or higher than the first set temperature, the fourth car wash pattern is selected,
When the surface temperature detected by the temperature detection means or the temperature detected by the thermometer is less than the first set temperature and not less than the second set temperature, the second car wash pattern or the third car wash pattern is selected.
When the surface temperature detected by the temperature detection means or the temperature detected by the thermometer is lower than the second set temperature, the first car wash pattern is selected and the vehicle is washed. Item 5. The car wash machine according to Item 4.

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