Automatic test system for special vehicle

Abstract

The utility model discloses a special vehicle automatic test system comprising an industrial control computer, a GPS positioning module, a laser radar, a 4G router, a communication antenna, an indicating lamp, a CAN module, a communication interface, an explosion-proof handle, a power supply interface, a power supply manager, a first positioning antenna, and a second positioning antenna, the industrial control computer is connected with the GPS positioning module, the GPS positioning module is connected with the first positioning antenna, and the laser radar is connected with the second positioning antenna. The GPS positioning module is connected with the second positioning antenna, the industrial personal computer is connected with the laser radar, the industrial personal computer is connected with the 4G router, and the 4G router is connected with the communication antenna. According to the utility model, the industrial personal computer obtains positioning data on the GPS positioning module through a serial port so as to obtain self-positioning and set a test route; acquiring laser radar data through a network port, and acquiring the accurate distance of an obstacle in each direction; instructions are sent to the indicating lamp module through the serial port to control the color change of the indicating lamp and indicate different states of the test equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic testing equipment, in particular to an automatic testing system for special vehicles. Background Art

[0002] After special vehicles (such as road rollers) are assembled in the factory, they need to undergo certain functional tests before leaving the factory. The general testing method is to manually drive the vehicle into a test pit, where it is manually driven to perform repeated forward and backward movements, speed adjustment, vibration frequency adjustment, vibration amplitude adjustment and other functional tests. Various materials for testing are laid in the test pit.

[0003] In the existing technology, the test needs to be done manually. During manual testing, in bad weather conditions, such as high temperatures in summer and cold weather in winter, the workers feel uncomfortable during the test. In addition, during high-frequency vibration testing, the testers are always on the vehicle and will be under great physical stress, which is prone to occupational diseases. Therefore, improvements are needed. Utility Model Content

[0004] The utility model aims to provide an automatic testing system for special vehicles, which solves the problem that long-term manual testing may easily cause physical harm to testers.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special vehicle automatic testing system, including an industrial computer, a GPS positioning module, a laser radar, a 4G router, a communication antenna, an indicator light, a CAN module, a communication interface, an explosion-proof handle, a power interface, power management, positioning antenna one, and positioning antenna two, the industrial computer is connected to the GPS positioning module, the GPS positioning module is connected to positioning antenna one, the GPS positioning module is connected to positioning antenna two, the industrial computer is connected to the laser radar, the industrial computer is connected to the 4G router, the 4G router is connected to the communication antenna, the industrial computer is connected to the indicator light, the industrial computer is connected to the CAN module, the CAN module is connected to the communication interface, the industrial computer is connected to the explosion-proof handle, the industrial computer is connected to the power interface, and the power interface is connected to the power management.

[0006] Preferably, the power interface is connected to the vehicle cigarette lighter, and is used to draw power from the vehicle, which is converted into the required voltage by the internal power management module to supply power to various devices.

[0007] Preferably, the laser radar is connected to the industrial computer via a network port. The laser radar is used to accurately sense the distance and direction of objects in the environment.

[0008] Preferably, the GPS positioning module is connected to the industrial computer via a serial port. The GPS positioning module has two antennas, one main antenna and one slave antenna; during the arrangement process, the main antenna is generally arranged at the center of the rear axle of the vehicle as the accurate positioning position of the vehicle, and the main antenna points to the direction of the slave antenna, representing the forward direction of the vehicle.

[0009] Preferably, the industrial computer is connected to a 4G router via Ethernet. A SIM card can be inserted into the 4G router to access the Internet, and the industrial computer can access Ethernet through the 4G router to perform network communication.

[0010] Preferably, the indicator light is connected to the industrial computer via a level signal. The indicator lights indicate different states of the test equipment, and there are three colors: red, yellow and green. The normal power-on standby is yellow, the equipment is flashing green during the test, the test task is completed and the green is always on, and the equipment is abnormal and faulty and is always red.

[0011] Preferably, the explosion-proof handle is connected to an industrial computer via a serial port, and is used for start and stop control of the test equipment.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model industrial computer obtains positioning data on the GPS positioning module through the serial port to obtain its own positioning and set the test route; obtains laser radar data through the network port to obtain the precise distance of obstacles in all directions; sends instructions to the indicator light module through the serial port to control the color change of the indicator light to indicate different states of the test equipment; the test equipment is internally connected through Ethernet and serial ports, and data communication is reliable. The only direct connection with the test vehicle is the cigarette lighter and the communication interface, which is convenient to operate. After the test is completed, it can be quickly switched to other vehicles to continue testing; it realizes the test of special vehicles in the form of automatic testing instead of manual testing, avoiding the damage of the test work to the human body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a system schematic diagram of the utility model.

[0015] In the figure: 1. Industrial computer; 2. GPS positioning module; 3. Laser radar; 4. 4G router; 5. Communication antenna; 6. Indicator light; 7. CAN module; 8. Communication interface; 9. Explosion-proof handle; 10. Power interface; 11. Power management; 21. Positioning antenna one; 22. Positioning antenna two. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1 A special vehicle automatic test system includes an industrial computer 1, a GPS positioning module 2, a laser radar 3, a 4G router 4, a communication antenna 5, an indicator light 6, a CAN module 7, a communication interface 8, an explosion-proof handle 9, a power interface 10, a power management 11, a positioning antenna 1 21, and a positioning antenna 2 22. The industrial computer 1 is connected to the GPS positioning module 2. The industrial computer 1 serves as a core computing unit. The GPS positioning module 2 is connected to the industrial computer 1 via a serial port. The GPS positioning module 2 has two antennas, one of which is a main antenna and the other is a slave antenna. During the arrangement process, the main antenna is generally arranged at the center of the rear axle of the vehicle as the accurate positioning position of the vehicle. The main antenna points to the direction of the slave antenna, representing the forward direction of the vehicle.

[0018] See also Figure 1 , GPS positioning module 2 is connected to positioning antenna 1 21, GPS positioning module 2 is connected to positioning antenna 2 22, industrial computer 1 is connected to laser radar 3, laser radar 3 is connected to industrial computer 1 through network port, laser radar 3 is used to accurately perceive the distance and direction of objects in the environment, industrial computer 1 is connected to 4G router 4, industrial computer 1 is connected to 4G router 4 through Ethernet, 4G router 4 can insert SIM card to access the Internet, industrial computer 1 can access Ethernet through 4G router 4 for network communication, 4G router 4 is connected to communication antenna 5, industrial computer 1 is connected to indicator light 6, indicator light 6 is connected to industrial computer 1 through level signal, indicator light 6 indicates different states of test equipment respectively, there are three colors: red, yellow and green, normal power-on standby is yellow, equipment testing process is green flashing, test task completion is green always on, equipment abnormal failure is red always on.

[0019] See also Figure 1 The industrial computer 1 is connected to the CAN module 7, the CAN module 7 is connected to the communication interface 8, and control instructions can be sent to the ECM controller on the vehicle through the CAN bus, such as forward, backward, vibration frequency, and vibration amplitude adjustment. The industrial computer 1 is connected to the explosion-proof handle 9, and the explosion-proof handle 9 is connected to the industrial computer 1 through the serial port for testing the start and stop control of the equipment. The industrial computer 1 is connected to the power interface 10, and the power interface 10 is connected to the power management 11. The power interface 10 is connected to the vehicle cigarette lighter for taking power from the vehicle, which is converted into the required voltage by the internal power management 11 module to supply power to various devices.

[0020] The specific implementation process of this utility model is as follows:

[0021] S1. Manually drive the test vehicle to the test area and align the front of the vehicle (two reflective columns can be installed at the end of the test area to enhance system stability);

[0022] S2. Fix the test equipment on the roof plane by strong magnet or bolts (the installation position can be adjusted according to the actual situation. The position selection should ensure that there is no obstruction in front of the laser radar 3 field of view, and the forward direction of the laser radar 3 is consistent with the forward direction of the vehicle);

[0023] S3. Attach two positioning antennas to the roof (positioning antenna 1 21 is on the left, positioning antenna 2 22 is on the right, and the direction of positioning antenna 1 21 pointing to positioning antenna 2 22 is perpendicular to the vehicle's forward direction. If other installation directions are used, they need to be set in the device);

[0024] S4. Pull out the fuse of the vehicle handle, and connect the cigarette lighter and CAN interface on the vehicle body equipment to the interface on the vehicle respectively;

[0025] S5. Start or stop the test by controlling the explosion-proof handle 9 (wired and adsorbed at a convenient triggering position outside the vehicle body or wireless);

[0026] S6. The test process work order can be set, including the number of round trip tests of the vehicle, the test running speed, the vibration frequency / amplitude, etc.

[0027] S7. During the test, if the vehicle deviates laterally and hits the edge of the collision test area, the vehicle will automatically stop and alarm. The tester can manually adjust the vehicle's posture and press the start button to restart the test;

[0028] S8. After the test is completed, the test is stopped by remote control explosion-proof handle 9, and the equipment can be dismantled and the fuse can be restored.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special vehicle automatic test system, comprising an industrial computer (1), a GPS positioning module (2), a laser radar (3), a 4G router (4), a communication antenna (5), an indicator light (6), a CAN module (7), a communication interface (8), an explosion-proof handle (9), a power interface (10), a power management (11), a positioning antenna 1 (21), and a positioning antenna 2 (22), characterized in that: The industrial computer (1) is connected to a GPS positioning module (2), the GPS positioning module (2) is connected to a positioning antenna 1 (21), the GPS positioning module (2) is connected to a positioning antenna 2 (22), the industrial computer (1) is connected to a laser radar (3), the industrial computer (1) is connected to a 4G router (4), the 4G router (4) is connected to a communication antenna (5), the industrial computer (1) is connected to an indicator light (6), the industrial computer (1) is connected to a CAN module (7), the CAN module (7) is connected to a communication interface (8), the industrial computer (1) is connected to an explosion-proof handle (9), the industrial computer (1) is connected to a power interface (10), and the power interface (10) is connected to a power management (11).

2. The special vehicle automatic testing system according to claim 1, characterized in that: The power interface (10) is connected to the vehicle cigarette lighter.

3. The special vehicle automatic testing system according to claim 1, characterized in that: The laser radar (3) is connected to the industrial computer (1) via a network port.

4. The special vehicle automatic testing system according to claim 1, characterized in that: The GPS positioning module (2) is connected to the industrial computer (1) via a serial port.

5. The special vehicle automatic testing system according to claim 1, characterized in that: The industrial computer (1) is connected to the 4G router (4) via Ethernet.

6. The special vehicle automatic testing system according to claim 1, characterized in that: The indicator light (6) is connected to the industrial computer (1) via a level signal.

7. The special vehicle automatic testing system according to claim 1, characterized in that: The explosion-proof handle (9) is connected to the industrial computer (1) via a serial port.

8. The special vehicle automatic testing system according to claim 1, characterized in that: The explosion-proof handle (9) is connected to the industrial computer (1) via a serial port.

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