Cleaning intensity adjusting device for car washing machine

Abstract

The utility model relates to the technical field of cleaning of car washers, in particular to a cleaning strength adjusting device for a car washer, which comprises a water tank. A water pipe is installed at the end, away from the water tank, of the pipeline, a water gun head is connected to the end, away from the pipeline, of the water pipe, a filter screen is installed at a water inlet, extending into the water tank, of the pipeline, and the pipeline and the water pipe provide a path for conveying a water source; the variable-frequency water pump is responsible for conveying a water source of the cleaning vehicle, the distance measuring assembly comprises a fixing piece installed on the outer side face of the water gun head, an installation module, an infrared emitting module and an infrared receiving module, and the infrared emitting module is used for emitting infrared light to measure the distance between the spray head and a target; the distance between the water gun head and the vehicle body is detected in real time through the infrared distance measuring transmitter and the infrared distance measuring receiver, water pressure adjustment is achieved in combination with the variable-frequency water pump, automatic pressure reduction is achieved when the vehicle is close to the vehicle body, and vehicle paint is prevented from being damaged.

Description

A cleaning intensity adjustment device for a car wash machine Technical Field

[0001] This utility model relates to the field of car wash machine cleaning technology, and in particular to a cleaning intensity adjustment device for a car wash machine. Background Technology

[0002] Car wash cleaning equipment is used to clean vehicles automatically or semi-automatically. It typically includes a high-pressure pump that sprays water, sometimes mixed with detergent, onto the car's surface through nozzles at high pressure to remove dust, dirt, and other stains.

[0003] Common car wash cleaning devices have a fixed water pressure output that cannot be adjusted according to actual cleaning needs. If the nozzle is too close to the vehicle and the water pressure is too high, it can easily scratch the paint or even damage fragile parts such as rearview mirrors and wipers.

[0004] Therefore, in response to the problem that the water pressure output of the aforementioned car wash cleaning device is a fixed value, which can easily cause scratches on the car paint and even damage fragile parts such as rearview mirrors and wipers, there is an urgent need to design a new type of cleaning intensity adjustment device for car wash machines. Summary of the Invention

[0005] To overcome the problem that common car wash cleaning devices have a fixed water pressure output, which can easily scratch the car paint and even damage fragile parts such as rearview mirrors and wipers.

[0006] The technical solution of this utility model is as follows: a cleaning intensity adjustment device for a car wash machine, including a water tank; it also includes a pipe disposed on the right end of the water tank, a water pipe installed at the end of the pipe away from the water tank, a water gun head connected to the end of the water pipe away from the pipe, a filter screen installed at the inlet of the pipe extending into the water tank, the pipe and water pipe providing a path for transporting water, the filter screen filtering particles in the water, a variable frequency water pump installed on the surface of the pipe, the variable frequency water pump being responsible for transporting water for washing the car, a ranging component including a fixing component, a mounting module, an infrared emitting module and an infrared receiving module installed on the outer side of the water gun head, the infrared emitting module emitting infrared light to measure the distance between the nozzle and the target, the infrared receiving module receiving the reflected signal to measure the distance between the nozzle and the target, an auxiliary ranging component including an ultrasonic generating module and an ultrasonic receiving module installed on the outer side of the mounting module, the ultrasonic generating module emitting ultrasonic waves to assist in measuring distance, the ultrasonic receiving module receiving the reflected signal to assist in determining the distance between the nozzle and the object.

[0007] Preferably, the water tank serves as a water storage container, providing a clean water source for the entire device. Pipes connect the water tank to external water pipes, forming a water flow channel. A filter screen is installed at the end of the pipe entering the water tank to intercept larger particulate impurities in the water, preventing clogging of the nozzles or damage to the variable frequency water pump. The variable frequency water pump is installed on the surface of the pipe and is responsible for drawing water from the water tank and delivering it to the water gun head. By adjusting the speed of the variable frequency water pump, stepless adjustment of the water pressure can be achieved. Through infrared measurement and ultrasonic measuring devices, the distance between the nozzle and the surface being cleaned is calculated, and the water pressure can be automatically reduced when the water gun head approaches the vehicle body, effectively avoiding damage to the paint or other vulnerable parts caused by direct impact of high-pressure water flow, thereby improving the safety and reliability of the cleaning process.

[0008] Preferably, the mounting module includes a mounting box mounted on the outside of the fastener, which is used to protect the parts installed inside.

[0009] Preferably, the infrared emitting module includes an infrared ranging transmitter mounted on the right end face of the mounting box. The infrared ranging transmitter is used to emit infrared light to illuminate the surface of the vehicle to measure the distance between the nozzle and the target.

[0010] Preferably, the infrared receiving module includes an infrared ranging receiver installed on the right side of the mounting box, which receives the infrared light signal reflected back from the infrared ranging transmitter.

[0011] Preferably, the ultrasonic generator module includes an ultrasonic rangefinder mounted on the front side of the mounting box, which assists the ranging component in distance measurement.

[0012] Preferably, the ultrasonic receiving module includes an ultrasonic receiver located on the rear side of the mounting box. The ultrasonic receiver receives the signal reflected back from the ultrasonic rangefinder, helping to determine the exact distance between the nozzle and the surface to be cleaned.

[0013] Preferably, an electromagnetic proportional valve is installed on the surface of the pipeline. The electromagnetic proportional valve can precisely control the valve opening and regulate the water flow and pressure through electrical signals.

[0014] The beneficial effects of this utility model are:

[0015] 1. Through infrared ranging transmitter and infrared ranging receiver, the distance between the water gun head and the surface to be cleaned can be detected in real time and accurately, thereby dynamically adjusting the cleaning intensity. The variable frequency water pump works in conjunction to achieve continuous stepless adjustment of water pressure and flow rate. This avoids excessive water pressure when the water gun head is too close to the vehicle body, which can prevent high-pressure water flow from damaging the paint or other sensitive parts. When the water gun head is far away from the vehicle body, the water pressure is increased to ensure cleaning quality.

[0016] 2. By combining infrared and ultrasonic measurements, the stability and adaptability of the ranging device are enhanced, especially in environments with strong reflectivity or a lot of water mist, it can still maintain high-precision measurement. Attached Figure Description

[0017] Figure 1 shows a three-dimensional structural diagram of a cleaning intensity adjustment device for a car wash machine according to the present invention;

[0018] Figure 2 shows a three-dimensional cross-sectional view of a cleaning intensity adjustment device for a car wash machine according to this utility model.

[0019] Figure 3 shows a three-dimensional structural diagram of the location of the variable frequency water pump of the cleaning intensity adjustment device for a car wash machine according to this utility model.

[0020] Figure 4 shows a three-dimensional structural diagram of the water gun head of a car wash machine cleaning intensity adjustment device according to this utility model.

[0021] Figure 5 shows a three-dimensional structural diagram of the location of the infrared ranging receiver of the cleaning intensity adjustment device for a car wash machine according to this utility model.

[0022] Explanation of reference numerals in the attached diagram: 1. Water tank; 2. Pipe; 3. Electromagnetic proportional valve; 4. Variable frequency water pump; 5. Water pipe; 6. Water nozzle; 7. Fixture; 8. Mounting box; 9. Infrared rangefinder transmitter; 10. Infrared rangefinder receiver; 11. Ultrasonic rangefinder; 12. Ultrasonic receiver; 13. Filter screen. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please refer to Figures 1-5. This utility model provides an embodiment: a cleaning intensity adjustment device for a car wash machine, including a water tank 1; it also includes a pipe 2 disposed on the right end face of the water tank 1, a water pipe 5 installed at the end of the pipe 2 away from the water tank 1, and a water gun head 6 connected to the end of the water pipe 5 away from the pipe 2. A filter screen 13 is installed at the inlet of the pipe 2 extending into the water tank 1. The pipe 2 and the water pipe 5 provide a path for transporting water. The filter screen 13 filters particles in the water. A variable frequency water pump 4 is installed on the surface of the pipe 2, which is responsible for transporting water for washing the car. The ranging component includes a fixing part 7 installed on the outer side of the water gun head 6, an installation module, an infrared emitting module, and an infrared receiving module. The infrared emitting module is used to emit infrared light to measure the distance between the nozzle and the target. The infrared receiving module receives the reflected signal to measure the distance between the nozzle and the target. The auxiliary ranging component includes an ultrasonic generating module and an ultrasonic... The ultrasonic wave receiving module and ultrasonic wave generating module are used to emit ultrasonic waves to assist in measuring distance. The ultrasonic wave receiving module is used to receive the reflected signals to assist in determining the distance between the nozzle and the object. The water tank 1 serves as a water storage container, providing clean water for the entire device. The pipe 2 connects the water tank 1 to the external water pipe 5, forming a water flow channel. A filter screen 13 is installed at the end of the pipe 2 that enters the water tank 1 to intercept larger particulate impurities in the water, preventing clogging of the nozzle or damage to the variable frequency water pump 4. The variable frequency water pump 4 is installed on the surface of the pipe 2 and is responsible for drawing water from the water tank 1 and delivering it to the water gun head 6. By adjusting the speed of the variable frequency water pump 4, the water pressure can be steplessly adjusted. The distance between the nozzle and the surface being cleaned is calculated through infrared measurement and ultrasonic measurement. When the water gun head 6 approaches the vehicle body, the water pressure can be automatically reduced, effectively avoiding damage to the paint or other vulnerable parts caused by direct impact of high-pressure water flow, thereby improving the safety and reliability of the cleaning process.

[0025] Please refer to Figures 3-5. In this embodiment, the installation module includes a mounting box 8 installed on the outside of the fixing component 7. The mounting box 8 is used to protect the parts installed inside and to protect the ranging component from external environmental factors such as water mist, dust, and impact. The infrared emitting module includes an infrared ranging transmitter 9 installed on the right side of the mounting box 8. The infrared ranging transmitter 9 is used to emit infrared light to irradiate the vehicle surface and measure the distance between the nozzle and the target. The infrared ranging transmitter 9 emits infrared light signals to the surface to be cleaned. By irradiating the target surface with infrared light, it provides a basis for subsequent reception of reflected signals. The infrared receiving module includes an infrared ranging receiver 10 installed on the right side of the mounting box 8. It receives the infrared light signals reflected back from the infrared ranging transmitter 9. The infrared ranging receiver 10 works in conjunction with the infrared ranging transmitter 9 to calculate the real-time distance between the nozzle and the vehicle and transmits the measured distance data to the control device for adjusting the speed of the variable frequency water pump 4 and the opening of the electromagnetic proportional valve 3.

[0026] Please refer to Figures 1, 3, and 5. In this embodiment, the ultrasonic generating module includes an ultrasonic rangefinder 11 installed on the front side of the mounting box 8. The ultrasonic rangefinder 11 is used to assist the ranging component in distance measurement by emitting high-frequency ultrasonic signals. It works in conjunction with the ultrasonic receiver 12 to assist the infrared ranging module in distance measurement. The ultrasonic receiving module includes an ultrasonic receiver 12 located on the rear side of the mounting box 8. The ultrasonic receiver 12 receives the signals reflected back from the ultrasonic rangefinder 11 to help determine the exact distance between the nozzle and the surface to be cleaned. Ultrasonic ranging is used in environments with strong reflectivity, abundant water mist, or high dust levels to compensate for the limitations of infrared ranging. An electromagnetic proportional valve 3 is installed on the surface of the pipe 2. The electromagnetic proportional valve 3 can precisely control the valve opening through electrical signals to adjust the water flow and pressure, achieving continuous stepless adjustment of water flow and pressure. It works in conjunction with the variable frequency water pump 4 to form a dual pressure regulation mechanism, dynamically adjusting the water output intensity at different cleaning distances to ensure cleaning effect and safety.

[0027] Working principle: Water tank 1 serves as a water storage container, providing a clean water source. Pipe 2 connects water tank 1 to external water pipe 5, forming a water flow channel. A filter screen 13 is installed at the end of pipe 2 entering water tank 1 to intercept larger particulate impurities in the water, preventing clogging of the nozzle or damage to the pump body. Variable frequency water pump 4 is installed on the surface of pipe 2, responsible for drawing water from water tank 1 and delivering it to water gun head 6. By adjusting the speed of variable frequency water pump 4, stepless adjustment of water pressure and flow rate can be achieved. At the same time, an electromagnetic proportional valve 3 is also installed on pipe 2, which can further precisely control water flow and pressure output, enhancing adjustment accuracy. The ranging component includes an infrared emitting module and an infrared receiving module, respectively composed of an infrared ranging transmitter 9 and an infrared ranging receiver 10 installed on the right end face of the mounting box 8. The infrared ranging transmitter 9 emits infrared light to illuminate the surface of the object to be cleaned, and the infrared ranging receiver 10 receives the reflected signal to calculate the distance between the nozzle and the surface being cleaned. The auxiliary ranging component includes an ultrasonic generating module. The ultrasonic receiving module consists of an ultrasonic rangefinder 11 mounted on the front side of the mounting box 8 and an ultrasonic receiver 12 mounted on the rear side. The ultrasonic rangefinder 11 emits ultrasonic waves, and the ultrasonic receiver 12 receives the echo signals to assist infrared ranging in distance measurement, improving the stability and accuracy of the device in complex environments such as reflection and fog. The control unit determines the current spray distance based on the distance information fed back by the ranging component and a preset algorithm. If the water gun head 6 is detected to be close to the vehicle surface and less than the set threshold, the speed of the variable frequency water pump 4 is automatically reduced, and the opening of the electromagnetic proportional valve 3 is adjusted to reduce the water pressure and prevent high-pressure water flow from damaging the paint or other sensitive parts. If the water gun head 6 is detected to be far away from the vehicle body, the water pressure is appropriately increased to ensure the washing effect. The entire adjustment process is continuous, stable, and requires no manual intervention, realizing intelligent and automated cleaning. The mounting module adopts the design of the mounting box 8 and is fixed on the fixing part 7 on the outside of the water gun head 6, which serves to waterproof and protect the internal electronic components.

[0028] Through the above steps, the distance between the water gun head 6 and the vehicle body is detected in real time by the infrared ranging transmitter 9 and the infrared ranging receiver 10. Combined with the variable frequency water pump 4, the water pressure and flow rate are infinitely regulated. When the water gun head is close to the vehicle body, the water pressure is automatically reduced to prevent damage to the paint. When the water gun head is far away, the water pressure is increased to ensure the cleaning effect. This solves the problem that common car wash cleaning devices have a fixed water pressure output, which can easily cause scratches to the paint and even damage fragile parts such as rearview mirrors and wipers.

Claims

1. A cleaning intensity adjustment device for a car wash machine, comprising a water tank (1); characterized in that: It also includes a pipe (2) located on the right side of the water tank (1), with a water pipe (5) installed at the end of the pipe (2) away from the water tank (1), and a water gun head (6) connected to the end of the water pipe (5) away from the pipe (2). A filter screen (13) is installed at the inlet of the pipe (2) extending into the water tank (1). The pipe (2) and the water pipe (5) provide a path for transporting water. The filter screen (13) filters particles in the water. A variable frequency water pump (4) is installed on the surface of the pipe (2), which is responsible for transporting water for washing the vehicle; ranging component package The system includes a fixing component (7) installed on the outer side of the water nozzle (6), an installation module, an infrared emitting module, and an infrared receiving module. The infrared emitting module is used to emit infrared light to measure the distance between the nozzle and the target, and the infrared receiving module receives the reflected signal to measure the distance between the nozzle and the target. The auxiliary ranging component includes an ultrasonic generating module and an ultrasonic receiving module installed on the outer side of the installation module. The ultrasonic generating module is used to emit ultrasonic waves to assist in measuring the distance, and the ultrasonic receiving module is used to receive the reflected signal to assist in determining the distance between the nozzle and the object.

2. The cleaning intensity adjustment device for a car wash machine according to claim 1, characterized in that: The mounting module includes a mounting box (8) mounted on the outside of the fastener (7), which is used to protect the parts mounted inside.

3. The cleaning intensity adjustment device for a car wash machine according to claim 2, characterized in that: The infrared emitting module includes an infrared ranging transmitter (9) installed on the right side of the mounting box (8). The infrared ranging transmitter (9) is used to emit infrared light to illuminate the surface of the vehicle to measure the distance between the nozzle and the target.

4. The cleaning intensity adjustment device for a car wash machine according to claim 3, characterized in that: The infrared receiving module includes an infrared ranging receiver (10) installed on the right side of the mounting box (8) to receive the infrared light signal reflected back from the infrared ranging transmitter (9).

5. The cleaning intensity adjustment device for a car wash machine according to claim 4, characterized in that: The ultrasonic generator module includes an ultrasonic rangefinder (11) mounted on the front side of the mounting box (8). The ultrasonic rangefinder (11) is used to assist the ranging component in measuring distance.

6. The cleaning intensity adjustment device for a car wash machine according to claim 5, characterized in that: The ultrasonic receiving module includes an ultrasonic receiver (12) located on the rear side of the mounting box (8). The ultrasonic receiver (12) receives the signal reflected back from the ultrasonic rangefinder (11) to help determine the exact distance between the nozzle and the surface to be cleaned.

7. The cleaning intensity adjustment device for a car wash machine according to claim 1, characterized in that: An electromagnetic proportional valve (3) is installed on the surface of the pipe (2). The electromagnetic proportional valve (3) can precisely control the valve opening and regulate the water flow and pressure through electrical signals.

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