New energy vehicle chassis automatic washing test device and method

Abstract

The application relates to an automatic washing test device for a new energy vehicle chassis, which comprises a device platform, a washing device and a control device; a vehicle is arranged on the device platform, the washing device is connected with the device platform through a pipeline, and the washing device is controlled by the control device; the application can meet the washing demand of a high-pressure system of the vehicle chassis, can accurately reflect the waterproofness, sealing and insulation performance of the high-pressure system of the new energy chassis after testing, is automatically controlled, saves the manual auxiliary time of the washing test, greatly shortens the testing period, and improves the washing test efficiency.

Description

Technical Field

[0001] This invention relates to the field of new energy vehicle technology, and in particular to an automated shower test device and method for new energy vehicle chassis. Background Technology

[0002] Most of the drive and power systems of new energy heavy trucks are high-voltage lines that are directly installed on the chassis. The high voltage is 400V or even 800V. If the sealing is slightly poor, the insulation resistance value will be lower than the standard value. Insulation failure may cause the vehicle to be unable to move. In order to verify the waterproof, sealing and insulation performance of the high-voltage system of new energy heavy trucks, an automated spray test device and method for new energy vehicle chassis has been developed. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing an automated shower testing device and method for the chassis of new energy vehicles.

[0004] This invention is achieved using the following technical solution:

[0005] An automated shower testing device for the chassis of a new energy vehicle includes a device platform, a shower device, and a control device; the vehicle is mounted on the device platform, the shower device is connected to the device platform via a pipe, and the shower device is controlled by the control device.

[0006] As a further explanation of the invention, the device platform is a U-shaped frame structure, including a bottom frame and a side frame; a water inlet is provided on one side of the bottom frame, a plurality of first water nozzles are provided on the top of the bottom frame, and a plurality of second water nozzles are provided on the inner side of the side frame.

[0007] As a further explanation of the invention, the shower device includes a water tank, a water inlet pipe, a connecting water pipe, and a portable shower head; the water inlet pipe is connected to the water tank, and the water tank is connected to the water inlet of the device platform and the portable shower head respectively through the connecting water pipe.

[0008] As a further explanation of the invention, the control device includes a controller, a main power supply, a water pump, a solenoid valve, a water level sensor, a pressure regulating valve, a manual valve, and an infrared sensor.

[0009] The water tank is equipped with the water pump and the water level sensor. The inlet pipe is equipped with the solenoid valve. The connection between the water tank and the connecting water pipe is equipped with a pressure regulating valve. The connecting water pipe and the portable shower head are both equipped with manual valves. The device platform is equipped with an infrared sensor. The water pump, the solenoid valve, the water level sensor, the pressure regulating valve, and the infrared sensor are controlled by the controller. The main power supply provides power to the control device.

[0010] As a further illustration of the invention, an infrared sensor is provided on each end of the two side frames, and the two infrared sensors are arranged diagonally on the side frames.

[0011] As a further illustration of the invention, the bottom frame is provided with a ramp.

[0012] An automated spray test method for the chassis of new energy vehicles, the method comprising:

[0013] During the shower test, the controller senses the water spray mode or switches the water spray mode on and off. When the vehicle enters the device platform, the water pump starts, the pressure regulating valve opens, the infrared sensor detects the vehicle, and the water nozzles on the device platform begin spraying water onto the vehicle. The water output is adjusted by controlling the manual valves on the connecting water pipes and portable shower nozzles. The water level sensor detects the water level in the tank. When the water level is below the standard line, the solenoid valve on the inlet pipe opens to add water to the tank. When the water level reaches or exceeds the standard line, the solenoid valve on the inlet pipe closes, and no more water is added to the tank.

[0014] Compared with the prior art, the present invention has the following beneficial technical effects:

[0015] This invention can meet the spraying requirements of high-voltage systems in vehicle chassis, and the test results can accurately reflect the waterproof, sealing, and insulation performance of high-voltage systems in new energy chassis. This invention features fully automatic control, saving manual assistance time in spraying tests, greatly shortening the test cycle, and improving the efficiency of spraying tests. Attached Figure Description

[0016] The invention will be further described below with reference to the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0018] In the diagram, 1. bottom frame; 2. side frame; 3. ramp; 4. water tank; 5. water pump; 6. inlet pipe; 7. solenoid valve; 8. water level sensor; 9. pressure regulating valve; 10. connecting water pipe; 11. portable shower head; 12. manual valve; 13. infrared sensor; 14. controller. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise explicitly specified and limited, the embodiments and features described in the embodiments of this application can be combined with each other. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention based on the specific circumstances.

[0020] like Figure 1 As shown, an automated shower testing device for the chassis of a new energy vehicle includes a device platform, a shower device, and a control device; the vehicle is placed on the device platform, the shower device is connected to the device platform through a pipe, and the shower device is controlled by the control device.

[0021] The device platform has a U-shaped frame structure, including a bottom frame 1 and side frames 2. A water inlet is located on one side of the bottom frame 1, and several first water outlet nozzles are located on the top of the bottom frame 1. Several second water outlet nozzles are located on the inner side of the side frames 2. Preferably, the bottom frame 1 of the device platform is composed of several 4mm thick, 8cm×8cm square beams, with a width of 3.7m and a length of 2.3m, and 90 nozzles are evenly distributed thereon. The side frames 2 are composed of several 1mm thick, 4cm×4cm square beams, with a height of 0.7m and a length of 2.3m, and 30 nozzles are evenly distributed on each side.

[0022] The showering device includes a water tank 4, a water inlet pipe 6, a connecting water pipe 10, and a portable shower head 11. The water inlet pipe 6 is connected to the water tank 4, and the water tank 4 is connected to the water inlet of the device platform and the portable shower head 11 via the connecting water pipe 10. Preferably, the portable shower head 11 is composed of several 1mm thick, 30cm×30cm square beams, 0.4m wide and 0.4m long, with 9 nozzles evenly distributed. The portable shower head 11 can test parts and special locations on the vehicle. The connecting water pipe 10 has an inner diameter of 75mm and an arm thickness of 5mm. The water tank 4 has a water storage capacity of more than 2 tons, and the top has an open position to contact the atmosphere.

[0023] The control device includes a controller 14, a main power supply, a water pump 5, a solenoid valve 7, a water level sensor 8, a pressure regulating valve 9, a manual valve 12, and an infrared sensor 13.

[0024] The water tank 4 is equipped with a water pump 5 and a water level sensor 8. A solenoid valve 7 is installed on the inlet pipe 6. A pressure regulating valve 9 is installed at the connection between the water tank 4 and the connecting water pipe 10. Manual valves 12 are installed on both the connecting water pipe 10 and the portable shower head 11. An infrared sensor 13 is installed on the device platform. The water pump 5, solenoid valve 7, water level sensor 8, pressure regulating valve 9, and infrared sensor 13 are controlled by a controller 14. The main power supply powers the control device. Preferably, the pressure regulating valve 9 maintains stable pressure to prevent overload or equipment damage when the water flow changes. The water pump 5 has a power of 5.5 kW. The main power supply includes a main power control box, which contains a 380V power supply, an air switch for circuit connection and disconnection, and a fuse for protecting against short circuits and overloads.

[0025] An infrared sensor 13 is provided on each end of the two side frames 2, and the two infrared sensors 13 are arranged diagonally on the side frames 2.

[0026] A ramp 3 is provided on the bottom frame 1. Preferably, two ramps 2 are provided to facilitate vehicle entry and exit.

[0027] An automated spray test method for the chassis of new energy vehicles, the method comprising:

[0028] During the shower test, the controller 14 senses the water spray or switches the water spray mode on and off. When the vehicle enters the device platform, the water pump 5 is turned on, the pressure regulating valve 9 is turned on, the infrared sensor 13 senses the vehicle, and the water nozzles on the device platform begin to spray water onto the vehicle. The water output is adjusted by controlling the manual valve 12 on the water pipe 10 and the portable shower nozzle 11. Preferably, after the infrared sensor 13 senses the vehicle for 10 seconds after it enters the device platform, the controller 14 senses the water spray or switches the water spray mode on and off. The single spray time can be adjusted in 10-second increments. The water flow rate is 1 ton / min under the maximum rain intensity, and the maximum water pressure at the nozzle is 60 kPa, which meets the shower requirements of the vehicle chassis high-pressure system. By controlling the vehicle, it is possible to confirm whether the vehicle chassis high-pressure system is normal and whether it can drive normally after the shower process.

[0029] The water level sensor 8 senses the water level in the water tank 4. When the water level is below the standard line, the solenoid valve 7 of the inlet pipe 6 opens to add water to the water tank 4. When the water level reaches or exceeds the standard line, the solenoid valve 7 of the inlet pipe 6 closes, and no more water is added to the water tank 4. Furthermore, the inlet pipe 6 can add water to the water tank 4 at a flow rate of 0.5L / s.

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0031] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automated shower testing device for the chassis of new energy vehicles, characterized in that, It includes a device platform, a shower device, and a control device; the vehicle is mounted on the device platform, the shower device is connected to the device platform through a pipe, and the shower device is controlled by the control device.

2. The automated shower testing device for new energy vehicle chassis as described in claim 1, characterized in that, The device platform has a U-shaped frame structure, including a bottom frame and a side frame; a water inlet is provided on one side of the bottom frame, a number of first water outlet nozzles are provided on the top of the bottom frame, and a number of second water outlet nozzles are provided on the inner side of the side frame.

3. The automated shower testing device for new energy vehicle chassis as described in claim 2, characterized in that, The shower device includes a water tank, a water inlet pipe, a connecting water pipe, and a portable shower head; the water inlet pipe is connected to the water tank, and the water tank is connected to the water inlet of the device platform and the portable shower head through the connecting water pipe.

4. The automated shower testing device for new energy vehicle chassis as described in claim 3, characterized in that, The control device includes a controller, a main power supply, a water pump, a solenoid valve, a water level sensor, a pressure regulating valve, a manual valve, and an infrared sensor. The water tank is equipped with the water pump and the water level sensor. The inlet pipe is equipped with the solenoid valve. The connection between the water tank and the connecting water pipe is equipped with a pressure regulating valve. The connecting water pipe and the portable shower head are both equipped with manual valves. The device platform is equipped with an infrared sensor. The water pump, the solenoid valve, the water level sensor, the pressure regulating valve, and the infrared sensor are controlled by the controller. The main power supply provides power to the control device.

5. The automated shower testing device for new energy vehicle chassis as described in claim 4, characterized in that, An infrared sensor is provided on each of the two ends of the side frame, and the two infrared sensors are arranged diagonally on the side frame.

6. The automated shower testing device for new energy vehicle chassis as described in claim 5, characterized in that, The bottom frame is provided with a ramp.

7. An automated shower test method for new energy vehicle chassis, comprising the automated shower test device for new energy vehicle chassis as described in any one of claims 1-6, characterized in that, The methods include: During the shower test, the controller senses the water spray or switches the water spray mode to start. When the vehicle enters the device platform, the water pump starts, the pressure regulating valve opens, the infrared sensor senses the vehicle, and the water nozzles on the device platform start spraying water onto the vehicle. The water output is adjusted by controlling the manual valve on the water pipe and the portable shower nozzle. The water level sensor detects the water level in the tank. When the water level is below the standard line, the solenoid valve of the inlet pipe opens to add water to the tank. When the water level reaches or exceeds the standard line, the solenoid valve of the inlet pipe closes and no more water is added to the tank.

Images