Testing device and system special for T-BOX module of 4G and 5G Internet of Vehicles

Abstract

The invention relates to a special testing device and system for T-BOX modules of 4G and 5G Internet of Vehicles, and belongs to the field of T-BOX module tests.The special testing device comprises a high-temperature box body, a testing mechanism facilitating batch placement testing is arranged on the inner wall of the high-temperature box body, and a temperature control mechanism for setting an aging environment is arranged in the high-temperature box body; and the inner bottom wall of the high-temperature box body is provided with a pushing mechanism which is convenient for quickly placing the testing mechanism. According to the special testing device and system for the T-BOX modules of the 4G and 5G Internet of Vehicles and the testing mechanism, the T-BOX modules can be loaded in batches, the multiple modules can be tested at a time so as to improve the testing efficiency, meanwhile, the input process of sample information is further automated through the application of the scanning gun, the data processing speed and accuracy are improved, and in addition, the testing efficiency is improved. The state display LED lamp can monitor the test state of each T-BOX module in real time, discover and process problems in time, ensure the continuity and stability of the test process, greatly improve the automation level of the T-BOX module test, and shorten the test period.

Description

Technical Field

[0001] The present invention relates to the technical field of T-BOX module testing, and in particular to a special testing device and system for 4G and 5G vehicle networking T-BOX modules. Background Art

[0002] T-BOX is the abbreviation of TelematicsBOX telematics processor, which is one of the four major parts of the Internet of Vehicles system. The four major parts of the Internet of Vehicles system include the host, the on-board T-BOX (4G / 5G), the mobile phone APP or the vehicle-road cooperative server and the background system. The host is mainly used to control various functions in the car, while the on-board T-BOX is mainly used to communicate with the background system and the mobile phone APP, so as to obtain vehicle information and control vehicle functions with the mobile phone APP. With the development of Internet of Vehicles technology, T-BOX, as a key component in the Internet of Vehicles system, is responsible for connecting the vehicle with the external communication network. In order to ensure the quality and performance of the T-BOX module, an efficient testing device and system are required to perform aging tests, performance verification and function detection.

[0003] As disclosed in Chinese patent announcement number (CN108566323B), a T-Box automated testing method and system comprises a testing host and a CAN signal transceiver simulator for simulating the CAN signal transceiver between the ECU and TCU on the vehicle, a T-Box server is simulated and built in the testing host and an automated testing control unit is integrated, the T-Box under test is communicatively connected to the CAN signal transceiver simulator and the T-Box server respectively, and the automated testing control unit is communicatively connected to the CAN signal transceiver simulator, the T-Box under test and the T-Box server respectively; the automated testing control unit is used to obtain and execute test cases for simulating manual operation of the vehicle during testing, and obtain feedback data when executing the test cases, record and analyze the feedback data, determine whether the test results meet expectations, and finally display them on the human-computer interaction system in a user-friendly manner, the T-Box automated testing method and system implementing the invention can quickly verify the functions of the T-Box, with a high degree of automation, fast testing speed, low testing cost, and can avoid human errors.

[0004] However, as in the prior art such as the above-mentioned patent, there is still a problem that it is not convenient to perform batch aging tests on 4G and 5G vehicle networking T-BOX modules. In the prior art, an automated test control unit is used to obtain and execute test cases for simulating human operation of the vehicle during testing, and obtain feedback data when executing the test cases, record and analyze the feedback data, and determine whether the test results meet expectations. This method mainly performs simulation tests on the modules, and the operation of the modules is also affected by external environmental factors. The prior art cannot effectively simulate the aging of the modules to test whether the product can still maintain its performance standards after long-term operation. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a special testing device and system for 4G and 5G vehicle networking T-BOX modules, which have the advantages of good batch aging test effect, etc., and solve the problem in the prior art that it is inconvenient to perform batch aging tests on 4G and 5G vehicle networking T-BOX modules.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a 4G and 5G vehicle networking T-BOX module dedicated test device, comprising a high-temperature box, the inner wall of which is provided with a test mechanism for batch placement testing, the interior of which is provided with a temperature control mechanism for setting an aging environment, and the inner bottom wall of which is provided with a pushing mechanism for quickly placing the test mechanism;

[0007] The testing mechanism includes an in-box trolley placed on the inner wall of the high-temperature box, three jigs are horizontally fixed on the inner wall of the in-box trolley, a serial port terminal is fixed on the back of the jig, scanning guns corresponding to the positions of the three jigs are respectively fixed on the right inner wall of the high-temperature box, a power generator is fixed on the inner top wall of the high-temperature box, and the power generator is electrically connected to the three serial port terminals through wires;

[0008] The temperature control mechanism includes an adjusting chamber opened inside a high-temperature box, a heating box is fixed to the inner bottom wall of the adjusting chamber, a tubular electric heat generator is fixed to the inner wall of the heating box, a centrifugal fan is fixed to the inner top wall of the adjusting chamber, an air inlet end of the centrifugal fan is connected to an air inlet duct, an air outlet end of the centrifugal fan is connected to an air supply duct that penetrates and extends to the inner top wall of the heating box, the inner bottom wall of the heating box is connected to a heating air duct that penetrates and extends to the inner wall of the high-temperature box, an exhaust port is opened on the right inner wall of the high-temperature box, and an exhaust fan is fixed to the inner wall of the exhaust port.

[0009] Furthermore, a controller is provided at the top of the left side of the high-temperature box, a door is hinged on the left side of the high-temperature box, and a display is fixed on the outer side of the door.

[0010] Furthermore, a push handle is fixed on the left side of the trolley in the box, and a heat-insulating liner is fixed on the inner wall of the high-temperature box.

[0011] Furthermore, module slots for inserting T-BOX modules are provided on both upper and lower sides of the fixture, and a plurality of status display LED lights are fixed on the front of the fixture.

[0012] Furthermore, a protective shell is fixed on the upper surface of the high-temperature box, and the top end of the air inlet pipe passes through and extends to the inside of the protective shell.

[0013] Furthermore, at least two temperature sensors are evenly distributed on the inner wall of the high-temperature box along the height direction.

[0014] Furthermore, the pushing mechanism includes two inner-box rails fixed to the bottom wall of the high-temperature box body, the outer sides of the two inner-box rails are slidably connected with sliders, and the upper surfaces of the sliders are fixed to the lower surface of the inner-box trolley, and an outer-box trolley is provided on the outer side of the high-temperature box body, and the upper surface of the outer-box trolley is respectively fixed with outer-box rails corresponding to the positions of the two inner-box rails, and movable wheels are fixed at the four corners of the lower surface of the outer-box trolley.

[0015] Furthermore, the height and width of the outer track of the box are respectively equal to the height and width of the inner track of the box, a sliding groove is provided on the lower surface of the slider, and the slider is slidably connected to the outer side of the inner track of the box through the sliding groove.

[0016] Furthermore, a positioning pin is fixed on the inner bottom wall of the high-temperature box and located between the opposite sides of the two inner rails, and a trolley positioning plate is fixed on the upper surface of the outer trolley and located between the opposite sides of the two outer rails, and a positioning groove for inserting the positioning pin is provided on the right side of the trolley positioning plate.

[0017] Furthermore, the present application proposes a 4G and 5G vehicle networking T-BOX module dedicated test system, including a test layer, a control layer and a display layer;

[0018] Among them, the test layer is used to: provide data testing for the input module, fault monitoring module and frequency monitoring module, for sample SN code scanning and input, serial port connection and fault and frequency monitoring;

[0019] Among them, the control layer is used for: for the central control module, MRS system module, voltage pulse module and temperature control module, the T-BOX module sample is subjected to constant temperature aging at 65°C for one hour through the central control module and the temperature control module, and the pulse signal is input to the T-BOX module sample through the voltage pulse module for judgment, and then the MRS system module is connected to capture the test data;

[0020] The display layer is used to provide real-time T-BOX module sample test data display for the display module.

[0021] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0022] 1. A special test device and system for 4G and 5G vehicle networking T-BOX modules. The test organization can load T-BOX modules in batches to test multiple modules at one time to improve test efficiency. At the same time, the application of the scanner further automates the sample information entry process and improves data processing speed and accuracy. In addition, the status display LED light can monitor the test status of each T-BOX module in real time, discover and handle problems in time, ensure the continuity and stability of the test process, greatly improve the automation level of T-BOX module testing, and shorten the test cycle.

[0023] 2. This is a special test device and system for 4G and 5G vehicle networking T-BOX modules. The temperature control mechanism can quickly reach and maintain the set test temperature by adjusting the heating box and tubular electric heat generator in the cavity, and the coordinated use of the centrifugal fan and the air supply duct ensures the temperature uniformity in the high-temperature box. In addition, the design of the exhaust port and the exhaust fan effectively controls the air pressure and heat discharge in the box, prevents the equipment from overheating, and ensures the safety of the test environment, so that the T-BOX module can be aged in a stable and repeatable environment, which is helpful to evaluate the performance changes of the module in long-term operation.

[0024] 3. A special test device and system for 4G and 5G vehicle networking T-BOX modules. The pushing mechanism realizes the smooth docking of the trolley inside the box and the trolley outside the box through the design of the inner and outer tracks, so that the fixture loaded with the T-BOX module can be easily moved between the test area and the loading area. The use of positioning pins and trolley positioning plates further improves the accuracy of trolley positioning and ensures the correct placement of the test mechanism in the high-temperature box. It not only improves the degree of automation of the test process, but also shortens the time for test preparation and switching, and improves the overall test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a three-dimensional diagram of the structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the testing mechanism of the present invention;

[0028] Figure 4 It is a front view of the jig of the present invention;

[0029] Figure 5 It is a rear view of the jig of the present invention;

[0030] Figure 6 Schematic diagram of the temperature control mechanism of the present invention

[0031] Figure 7 It is a schematic diagram of the pushing mechanism of the present invention;

[0032] Figure 8 This is a system block diagram of the present invention.

[0033] In the figure: 1 high temperature box, 2 testing mechanism, 21 trolley in the box, 22 fixture, 23 serial port terminal, 24 scanning gun, 25 power generator, 26 pusher, 27 module slot, 3 temperature control mechanism, 31 adjustment chamber, 32 heating box, 33 tubular electric heating generator, 34 centrifugal fan, 35 air inlet duct, 36 air supply duct, 37 heating air duct, 38 exhaust port, 39 exhaust fan, 310 protective shell, 4 pushing mechanism, 41 track in the box, 42 slider, 43 trolley outside the box, 44 track outside the box, 45 moving wheel, 46 positioning pin, 47 trolley positioning plate. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1 to Figure 2 In this embodiment, a special test device for 4G and 5G vehicle networking T-BOX modules includes a high-temperature box 1, the inner wall of the high-temperature box 1 is provided with a test mechanism 2 for batch placement testing, the interior of the high-temperature box 1 is provided with a temperature control mechanism 3 for setting an aging environment, and the inner bottom wall of the high-temperature box 1 is provided with a pushing mechanism 4 for quickly placing the test mechanism 2.

[0036] In this embodiment, a controller is provided at the top of the left side of the high-temperature box 1, a door is hinged on the left side of the high-temperature box 1, and a display is fixed on the outside of the door.

[0037] See also Figures 3 to 5In order to facilitate batch placement testing, the test mechanism 2 in this embodiment includes an in-box trolley 21 placed on the inner wall of the high-temperature box 1. Three fixtures 22 are horizontally fixed on the inner wall of the in-box trolley 21. A serial port terminal 23 is fixed on the back of the fixture 22. Scanning guns 24 corresponding to the positions of the three fixtures 22 are fixed on the right inner wall of the high-temperature box 1. The scanning gun 24 is used to scan the SN code of each T-BOX module, and the information is entered into the test system for tracking and management. A power generator 25 is fixed on the inner top wall of the high-temperature box 1. The power generator 25 is electrically connected to the three serial port terminals 23 through wires. The test parameters, such as test time, voltage level, etc., are set through the controller to start the test program. The controller sends instructions to the power generator 25 to generate the required test signal, which is transmitted to the T-BOX module through the serial port terminal 23.

[0038] In this embodiment, a push handle 26 is fixed on the left side of the trolley 21 in the box, a heat-insulating liner is fixed on the inner wall of the high-temperature box body 1, and module slots 27 for inserting the T-BOX module are provided on the upper and lower sides of the fixture 22. The operator inserts the T-BOX module into the module slot 27 on the fixture 22 in the specified direction and position, ensuring that the serial port terminal 23 on the back of the fixture 22 is correctly connected to the power generator 25 through a wire to power the T-BOX module. Several status display LED lights are fixed on the front of the fixture 22. The status display LED lights on the front of the fixture 22 are observed to monitor the test status of the T-BOX module in real time.

[0039] It should be noted that after the test is completed, the test data of each T-BOX module is collected, including performance parameters and fault diagnosis information.

[0040] See also Figure 6 In order to set the aging environment, the temperature control mechanism 3 in this embodiment includes an adjustment chamber 31 opened inside the high-temperature box 1, a heating box 32 is fixed to the inner bottom wall of the adjustment chamber 31, and a tubular electric heat generator 33 is fixed to the inner wall of the heating box 32. Before the test, the operator sets the required aging test temperature through the controller, and the controller sends a signal to the tubular electric heat generator 33 in the heating box 32 to start heating. A centrifugal fan 34 is fixed to the inner top wall of the adjustment chamber 31, and the centrifugal fan The air inlet end of the centrifugal fan 34 is connected to an air inlet duct 35, the air outlet end of the centrifugal fan 34 is connected to an air supply duct 36 that penetrates and extends to the inner top wall of the heating box 32, the inner bottom wall of the heating box 32 is connected to a heating air duct 37 that penetrates and extends to the inner wall of the high-temperature box body 1, an exhaust port 38 is opened on the right inner wall of the high-temperature box body 1, and an exhaust fan 39 is fixed to the inner wall of the exhaust port 38. When the centrifugal fan 34 is started, hot air is sent into the high-temperature box body 1 through the air supply duct 36 to achieve uniform temperature distribution.

[0041] In this embodiment, a protective shell 310 is fixed to the upper surface of the high-temperature box 1, and the top of the air inlet pipe 35 passes through and extends to the interior of the protective shell 310. The inner wall of the high-temperature box 1 is evenly distributed along the height direction and is provided with no less than two temperature sensors. The temperature sensor on the inner wall of the high-temperature box 1 monitors the temperature of the test environment in real time to ensure that the test conditions meet the set requirements.

[0042] It should be noted that the T-BOX module sample is subjected to constant temperature aging at 65°C for one hour through the central control module and the temperature control module, and a pulse signal is input to the T-BOX module sample through the voltage pulse module for judgment, and then connected to the MRS system module to capture the test data.

[0043] See also Figure 7 In order to facilitate the rapid placement of the test mechanism 2, the pushing mechanism 4 in this embodiment includes two inner-box rails 41 fixed to the inner bottom wall of the high-temperature box 1, and the outer sides of the two inner-box rails 41 are slidably connected with sliders 42, and the upper surface of the sliders 42 is fixed to the lower surface of the inner-box trolley 21, and an outer-box trolley 43 is provided on the outer side of the high-temperature box 1. The upper surface of the outer-box trolley 43 is respectively fixed with outer-box rails 44 corresponding to the positions of the two inner-box rails 41. The fixture 22 equipped with the T-BOX module is placed on the inner-box trolley 21 to ensure that the inner-box trolley 21 is correctly placed on the outer-box rails 44. Moving wheels 45 are fixed at the four corners of the lower surface of the outer-box trolley 43, and the inner-box trolley 21 is pushed to the outside of the high-temperature box 1 through the moving wheels 45.

[0044] In this embodiment, the height and width of the outer track 44 are respectively equal to the height and width of the inner track 41, a slide groove is provided on the lower surface of the slider 42, and the slider 42 is slidably connected to the outer side of the inner track 41 through the slide groove, pushing the inner trolley 21 to slide along the outer track 44 to the inner track 41 through the slider 42, and continuing to push the inner trolley 21 to move until the inner trolley 21 completely enters the high-temperature box 1, and then the outer trolley 43 is removed and the box door is closed, and the test program can be started to perform the test of the T-BOX module, including performance verification and function detection. A positioning pin 46 is fixed on the inner bottom wall of the high-temperature box 1 and located between the opposite sides of the two inner tracks 41, and a trolley positioning plate 47 is fixed on the upper surface of the outer trolley 43 and located between the opposite sides of the two outer tracks 44. A positioning groove for inserting the positioning pin 46 is provided on the right side of the trolley positioning plate 47, and the positioning pin 46 and the trolley positioning plate 47 are used to correctly position the outer track 44 and the inner track 41.

[0045] See also Figure 8 , the present application also proposes a 4G and 5G vehicle networking T-BOX module dedicated test system, including a test layer, a control layer and a display layer;

[0046] Among them, the test layer is used to: provide data testing for the input module, fault monitoring module and frequency monitoring module, for sample SN code scanning and input, serial port connection and fault and frequency monitoring;

[0047] Among them, the control layer is used for: for the central control module, MRS system module, voltage pulse module and temperature control module, the T-BOX module sample is subjected to constant temperature aging at 65°C for one hour through the central control module and the temperature control module, and the pulse signal is input to the T-BOX module sample through the voltage pulse module for judgment, and then the MRS system module is connected to capture the test data;

[0048] The display layer is used to provide real-time T-BOX module sample test data display for the display module.

[0049] The working principle of the above embodiment is:

[0050] (1) The operator inserts the T-BOX module into the module slot 27 on the fixture 22 in the specified direction and position, ensures that the serial port terminal 23 on the back of the fixture 22 is correctly connected to the power generator 25 through the wire to power the T-BOX module, uses the scanner 24 to scan the SN code of each T-BOX module, and enters the information into the test system for easy tracking and management. The test parameters such as test time and voltage level are set through the controller, and the test program is started. The controller sends instructions to the power generator 25 to generate the required test signal, which is transmitted to the T-BOX module through the serial port terminal 23. The status display LED light on the front of the fixture 22 is turned on to monitor the test status of the T-BOX module in real time. After the test is completed, the test data of each T-BOX module is collected, including performance parameters and fault diagnosis information. Before the test, the operator sets the required aging test temperature through the controller. The controller sends a signal to the tubular electric heating generator 33 in the heating box 32 to start heating. The centrifugal fan 34 is started and hot air is sent into the high-temperature box 1 through the air supply pipe 36 to achieve uniform temperature distribution. The temperature sensor on the inner wall of the high-temperature box 1 monitors the temperature of the test environment in real time to ensure that the test conditions meet the set requirements.

[0051] (2) Place the jig 22 equipped with the T-BOX module on the trolley 21 inside the box, ensure that the trolley 21 inside the box is correctly placed on the track 44 outside the box, operate the trolley 43 outside the box, and push the trolley 21 inside the box to the outside of the high-temperature box 1 through the moving wheel 45. Use the positioning pins 46 and the trolley positioning plate 47 to correctly position the track 44 outside the box and the track 41 inside the box. Then push the trolley 21 inside the box to slide along the track 44 outside the box to the track 41 inside the box through the slider 42. Continue to push the trolley 21 inside the box until the trolley 21 inside the box is completely inside the high-temperature box 1. Then remove the trolley 43 outside the box and close the box door. Then start the test program and test the T-BOX module, including performance verification and function testing.

[0052] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0053] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A 4G and 5G vehicle networking T-BOX module dedicated testing device, comprising a high temperature box (1), characterized in that: The inner wall of the high-temperature box (1) is provided with a testing mechanism (2) for facilitating batch placement testing, the interior of the high-temperature box (1) is provided with a temperature control mechanism (3) for setting an aging environment, and the inner bottom wall of the high-temperature box (1) is provided with a pushing mechanism (4) for facilitating rapid placement of the testing mechanism (2); The testing mechanism (2) comprises an in-box trolley (21) placed on the inner wall of a high-temperature box (1), three jigs (22) are horizontally fixed on the inner wall of the in-box trolley (21), a serial port terminal (23) is fixed on the back of the jig (22), scanning guns (24) corresponding to the positions of the three jigs (22) are respectively fixed on the right inner wall of the high-temperature box (1), and a power generator (25) is fixed on the inner top wall of the high-temperature box (1), and the power generator (25) is electrically connected to the three serial port terminals (23) through wires; The temperature control mechanism (3) comprises an adjusting chamber (31) provided inside the high-temperature box (1); a heating box (32) is fixed to the inner bottom wall of the adjusting chamber (31); a tubular electric heat generator (33) is fixed to the inner wall of the heating box (32); a centrifugal fan (34) is fixed to the inner top wall of the adjusting chamber (31); an air inlet end of the centrifugal fan (34) is connected to an air inlet pipe (35); an air outlet end of the centrifugal fan (34) is connected to an air supply pipe (36) that penetrates and extends to the inner top wall of the heating box (32); the inner bottom wall of the heating box (32) is connected to a heating air pipe (37) that penetrates and extends to the inner wall of the high-temperature box (1); an exhaust port (38) is provided on the right inner wall of the high-temperature box (1); and an exhaust fan (39) is fixed to the inner wall of the exhaust port (38).

2. A 4G and 5G vehicle networking T-BOX module dedicated test device according to claim 1, characterized in that: A controller is provided at the top of the left side of the high-temperature box (1), and a box door is hinged on the left side of the high-temperature box (1), and a display is fixed on the outer side of the box door.

3. A 4G and 5G vehicle networking T-BOX module dedicated test device according to claim 1, characterized in that: A push handle (26) is fixed on the left side of the in-box trolley (21), and a heat-insulating liner is fixed on the inner wall of the high-temperature box (1).

4. A 4G and 5G vehicle networking T-BOX module dedicated test device according to claim 1, characterized in that: The upper and lower sides of the fixture (22) are both provided with module slots (27) for inserting T-BOX modules, and the front side of the fixture (22) is fixed with a plurality of status display LED lights.

5. A 4G and 5G vehicle networking T-BOX module dedicated testing device according to claim 1, characterized in that: A protective shell (310) is fixed to the upper surface of the high-temperature box (1), and the top end of the air inlet pipe (35) penetrates and extends to the interior of the protective shell (310).

6. A 4G and 5G vehicle networking T-BOX module dedicated test device according to claim 1, characterized in that: The inner wall of the high-temperature box (1) is evenly distributed with no less than two temperature sensors along the height direction.

7. A 4G and 5G vehicle networking T-BOX module dedicated test device according to claim 1, characterized in that: The pushing mechanism (4) comprises two inner-box rails (41) fixed to the inner bottom wall of the high-temperature box (1); the outer sides of the two inner-box rails (41) are slidably connected with sliders (42), and the upper surfaces of the sliders (42) are fixed to the lower surface of the inner-box trolley (21); the outer side of the high-temperature box (1) is provided with an outer-box trolley (43); the upper surface of the outer-box trolley (43) is respectively fixed with outer-box rails (44) corresponding to the positions of the two inner-box rails (41); and moving wheels (45) are fixed at the four corners of the lower surface of the outer-box trolley (43).

8. A 4G and 5G vehicle networking T-BOX module dedicated testing device according to claim 7, characterized in that: The height and width of the outer rail (44) are respectively equal to the height and width of the inner rail (41), a slide groove is provided on the lower surface of the slider (42), and the slider (42) is slidably connected to the outer side of the inner rail (41) via the slide groove.

9. A 4G and 5G vehicle networking T-BOX module dedicated test device according to claim 7, characterized in that: A positioning pin (46) is fixed on the inner bottom wall of the high-temperature box body (1) and located between the two opposite sides of the two inner-box rails (41); a trolley positioning plate (47) is fixed on the upper surface of the outer-box trolley (43) and located between the two opposite sides of the two outer-box rails (44); and a positioning groove for inserting the positioning pin (46) is provided on the right side of the trolley positioning plate (47).

10. A 4G and 5G vehicle networking T-BOX module dedicated test system, comprising a 4G and 5G vehicle networking T-BOX module dedicated test device according to any one of claims 1 to 9, characterized in that: Includes test layer, control layer and display layer; Among them, the test layer is used to: provide data testing for the input module, fault monitoring module and frequency monitoring module, for sample SN code scanning and input, serial port connection and fault and frequency monitoring; Among them, the control layer is used for: for the central control module, MRS system module, voltage pulse module and temperature control module, the T-BOX module sample is subjected to constant temperature aging at 65°C for one hour through the central control module and the temperature control module, and the pulse signal is input to the T-BOX module sample through the voltage pulse module for judgment, and then the MRS system module is connected to capture the test data; The display layer is used to provide real-time T-BOX module sample test data display for the display module.

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