Automatic test mechanism for intelligent fuse box of automobile instrument cabin

Abstract

The utility model provides an automobile instrument cabin intelligent fuse box automatic test mechanism, comprising a box body and a top cover, the top cover is detachably connected with the box body, the box body is provided with a tire pressure test module, the box body is internally provided with a data acquisition module and a programmable power supply, the top cover is provided with a bus interferometer, and the bus interferometer is provided with a data acquisition module and a programmable power supply. The tire pressure test module is respectively connected with the intelligent fuse box and the data acquisition module, the data acquisition module and the programmable power supply are both connected with the intelligent fuse box, and the bus interferometer is respectively connected with the data acquisition module and the intelligent fuse box; and the bus interferometer, the data acquisition module and the programmable power supply are all connected with the control module. The utility model has the advantages that a plurality of devices can be used for testing at the same time, the test devices do not need to be replaced repeatedly, great convenience is brought to testers, and the test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile testing, in particular to an automatic testing mechanism for an intelligent fuse box in an automobile instrument compartment. Background Art

[0002] In recent years, as a means of transportation for people, cars have been continuously developing from traditional cars to new energy vehicles. The industry has paid more attention to the various performances of automotive controllers. In order to better improve the quality of controllers, a large number of tests are needed to ensure the safety and reliability of controllers.

[0003] The utility model with publication number CN204790554U discloses a bus controller quality testing device based on an automobile CAN network bus, characterized in that the testing device includes a bus integrated test box, a CANoe operating device, a power supply, and a CAN bus controller, specifically: the CANoe operating device is connected to the bus integrated test box; the bus integrated test box is connected to the bus controller; the CANoe operating device is connected to the CAN bus controller via a CAN network or a CAN network node; the CANoe operating device includes a CANoe test module and a bus controller control and acquisition module; the bus controller control and acquisition module is used to collect data from the CAN bus controller, and the bus controller control and acquisition module is used to control and collect data from the bus integrated test box; the bus controller control and acquisition module is connected to the CANoe test module, and the CANoe test module determines whether the vehicle bus system and the CAN bus controller meet the standard requirements based on the collected data and the test cases stored in itself. Through this testing device, test engineers can quickly and highly consistently complete relevant tests of different automobile CAN networks or CAN controllers.

[0004] In the existing testing technology for automobile controllers, during the testing process, the testing equipment for automobile controllers is relatively scattered, and different equipment needs to be replaced when performing different tests. When different types of tests need to be performed on automobile controllers, if the equipment needs to be replaced each time, the testing time will be greatly extended and the testing efficiency will be reduced. This not only consumes manpower and material resources, but also prolongs the time to market for the product. Therefore, it is necessary to improve efficiency and integrate multiple devices into one device for easy testing. Utility Model Content

[0005] Aiming at the technical problem that the test equipment of automobile controller is relatively scattered and different equipment needs to be replaced and used when performing different tests, the utility model proposes an automatic test mechanism for an intelligent fuse box in an automobile instrument compartment, which is used to integrate multiple devices into one device, so as to facilitate testing and improve test efficiency.

[0006] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0007] An automatic testing mechanism for an intelligent fuse box in a car instrument compartment includes a box body and a top cover, wherein the top cover is detachably connected to the box body, and is characterized in that a tire pressure test module is provided on the box body, a data acquisition module and a program-controlled power supply are provided in the box body, and a bus jammer is provided on the top cover, the tire pressure test module is respectively connected to the intelligent fuse box and the data acquisition module, the data acquisition module and the program-controlled power supply are both connected to the intelligent fuse box, the bus jammer is respectively connected to the data acquisition module and the intelligent fuse box, and the bus jammer, the data acquisition module and the program-controlled power supply are all connected to the control module. Further,

[0008] Furthermore, a through hole is provided on the top cover, a screw is provided in the through hole, the upper part of the screw is fixedly connected to the top cover by a fixing nut; the lower part of the screw is threadedly connected to the slot, the slot corresponds to the through hole up and down and the slot is arranged in the box body; the top cover and the two sides of the box body are connected by a snap-fit ​​piece.

[0009] Furthermore, the control module includes a PC, and the PC is connected to the data acquisition module, the programmable power supply and the bus jammer respectively through USB data cables.

[0010] Furthermore, a Bluetooth key testing device is also provided on the box body, and the Bluetooth key testing device is connected to the data acquisition module and the intelligent fuse box respectively through a CAN bus.

[0011] Furthermore, the Bluetooth key testing device includes a Bluetooth receiver and a Bluetooth transmitter, both of which are located on the box body, the Bluetooth receiver is connected to the Bluetooth key, the Bluetooth transmitter is connected to the Bluetooth receiver, and the Bluetooth transmitter is respectively connected to the smart fuse box and the data acquisition module through the CAN bus.

[0012] Furthermore, the bus jammer is connected to the smart fuse box and the data acquisition module respectively through the CAN bus; the data acquisition module is connected to the smart fuse box through multiple buses; and the programmable power supply is connected to the smart fuse box through a power line.

[0013] Furthermore, the tire pressure test module includes a tire pressure tester, which is arranged on the box body, connected to a tire pressure test line, and the tire pressure test line is connected to the tire; the tire pressure tester is connected to the data acquisition module and the intelligent fuse box respectively through a LIN bus.

[0014] Furthermore, the box body is also provided with a bus data acquisition socket, which is respectively connected to the CAN bus interface of the Bluetooth transmitter, the multiple bus interfaces of the data acquisition module, the CAN bus interface of the bus jammer, the LIN bus interface of the tire pressure tester and the multiple bus interfaces of the intelligent fuse box.

[0015] Furthermore, the box body is also provided with a voltage display screen and a current display screen, a voltage sensor is provided in the voltage display screen, and a current sensor is provided in the current display screen, and both the voltage sensor and the current sensor are connected to the intelligent fuse box.

[0016] Furthermore, a warning light is provided on the box body, and the warning light is connected to the smart fuse box.

[0017] Beneficial effects of the utility model:

[0018] In the utility model, a box body, a top cover, a data acquisition module, a bus jammer, a programmable power supply, a Bluetooth receiver, a Bluetooth transmitter, a tire pressure tester, a current display screen, a voltage display screen, and a warning light are provided. The CAN bus and the LIN bus of the intelligent fuse box in the car instrument compartment are connected to the bus data acquisition socket. Under the control of the PC, the box body and the intelligent fuse box in the instrument compartment can simultaneously receive and send bus data, and can also record and save bus data and change the sent message data through the PC software supporting the data acquisition module. The power supply of the intelligent fuse box in the car instrument compartment is connected to the programmable power supply, and the programmable power supply can supply power to the intelligent fuse box in the instrument compartment and change the power supply voltage. Such a design can use the above-mentioned equipment for testing at the same time when testing the intelligent fuse box in the car instrument compartment, including bus testing, Bluetooth function testing, tire pressure function testing, etc., without the need to repeatedly replace the test equipment, which greatly facilitates the test personnel and improves the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the overall front view structure of the utility model.

[0022] Figure 3 It is a schematic diagram of the overall side structure of the utility model.

[0023] Figure 4 It is a schematic diagram of the overall internal structure of the utility model.

[0024] Figure 5 This is the electrical connection block diagram of the utility model.

[0025] In the figure: 1 is the box body; 2 is the top cover; 3 is the bus jammer; 4 is the fixing nut; 5 is the screw; 6 is the voltage display screen; 7 is the current display screen; 8 is the bus data acquisition socket; 9 is the tire pressure tester; 10 is the warning light; 11 is the tire pressure test line; 12 is the Bluetooth transmitter; 13 is the Bluetooth receiver; 14 is the slot; 15 is the programmable power supply; 16 is the data acquisition module, 17 is the outlet, and 18 is the snap-fit ​​part. DETAILED DESCRIPTION

[0026] 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 in 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.

[0027] An automatic testing mechanism for an intelligent fuse box in an automobile instrument compartment, such as Figure 1 As shown, it includes a box body 1 and a top cover 2, the top cover 2 is detachably connected to the box body 1, the top cover 2 is provided with a through hole, a screw 5 is provided in the through hole, and the upper part of the screw 5 is fixedly connected to the top cover 2 through a fixing nut 4; Figure 4 As shown, the lower part of the screw 5 is threadedly connected with the slot 14, and the slot 14 corresponds to the through hole up and down and is arranged in the box body 1. The box body 1 and the top cover 2 are fixed by the screw 5 to ensure the reliability of the fixation and facilitate disassembly and maintenance. The through holes are arranged around the top cover, and the slot 14 is arranged around the box body, which does not affect the setting of the test equipment, data line and communication line. The upper part of the screw is provided with a bending part for easy operation. Figure 3 As shown, the top cover 2 and the box body 1 are connected at both sides by a snap-fitting member 18, which increases the reliability of the connection between the top cover 2 and the box body 1 from the side. Figure 1 As shown, the box body 1 is provided with a tire pressure test module for acquiring and sending tire pressure test data; Figure 4As shown, the box body 1 is provided with a data acquisition module 16 and a programmable power supply 15, the data acquisition module 16 is used to obtain various test data from the bus, and the programmable power supply 15 is used to provide variable voltage and current to the smart fuse box; the top cover 2 is provided with a bus jammer 3, the bus jammer 3 is used to interfere with the bus and simulate the interference environment; the tire pressure test module is connected to the smart fuse box and the data acquisition module 16 respectively, the data acquisition module 16 and the programmable power supply 15 are both connected to the smart fuse box, where the smart fuse box is the tested device, the bus jammer 3 is connected to the data acquisition module 16 and the smart fuse box respectively, and the bus jammer 3, the data acquisition module 16 and the programmable power supply 15 are all connected to the control module, the control module is located outside the box body 1, and is connected to the box body through a USB data cable, the control module is used to control various devices in the box body 1 to perform test processes, and process test results.

[0028] Specifically, the control module includes a PC, which is connected to a data acquisition module 16, a program-controlled power supply 15 and a bus jammer 3 respectively through a USB data line. The PC is used to control the data acquisition module 16, the program-controlled power supply 15 and the bus jammer 3 to execute the test process and generate a test report and test data after the test is completed, and record various data. The PC is installed with CANoe software. When in use, the test script written by the CANoe software controls the bus data acquisition module 16 to automatically execute the message cycle test, controls the bus jammer 3 to automatically execute the bus BUSOFF test and sampling point test, and controls the program-controlled power supply 15 to perform the working voltage test and other test processes. The test script written by the CANoe software determines the test results of the test items by parsing the bus data, and generates a test report and test data after the test is completed. The CANoe software can simultaneously receive and send data, record and save bus data, and change the sent message data. The test report generated by the test script written by the CANoe software is combined with the test data, which can facilitate the test personnel to analyze and summarize.

[0029] Specifically, a Bluetooth key testing device is also provided on the front of the box body 1. The Bluetooth key testing device is connected to the data acquisition module 16 and the smart fuse box through the CAN bus. The Bluetooth key testing device is used to perform Bluetooth function testing, such as testing the unlocking function of the fuse box.

[0030] Specifically, Figure 1As shown, the Bluetooth key testing device includes a Bluetooth receiver 13 and a Bluetooth transmitter 12, both of which are located on the front of the box body 1. The Bluetooth key is carried by the tester, the Bluetooth receiver 13 is connected to the Bluetooth key, and the Bluetooth transmitter 12 is connected to the Bluetooth receiver 13. The Bluetooth transmitter 12 is connected to the smart fuse box and the data acquisition module 16 through the CAN bus. The Bluetooth receiver 13 is used to receive control information from the Bluetooth key, and the Bluetooth transmitter 12 is used to send the control information to the smart fuse box through a specific message. When in use, after the Bluetooth key is paired with the Bluetooth receiver 13 and the Bluetooth transmitter 12, the Bluetooth key sends control information to the Bluetooth receiver 13. After receiving the control information from the Bluetooth key, the Bluetooth receiver 13 transmits the control information to the Bluetooth transmitter 12. The Bluetooth transmitter 12 sends a specific message to the smart fuse box through the CAN bus to control the smart fuse box to realize the unlocking function. After the smart fuse box realizes the unlocking function, it sends CAN message data to the data acquisition module 16 through the CAN bus. The PC software CANoe determines whether the unlocking is successful by analyzing the CAN message data sent by the smart fuse box in the instrument compartment.

[0031] Specifically, the bus jammer 3 is connected to the smart fuse box and the data acquisition module 16 respectively through the CAN bus, and the bus jammer 3 is connected to the PC through the USB interface. The bus jammer 3 is used to interfere with the bus to simulate the real interference scene. When in use, the test script written by the CANoe software controls the bus jammer 3 to simulate the interference scene, and combines the PC and the data acquisition module 16 to perform the BUSOFF test and sampling point test of the CAN bus. In this embodiment, the bus jammer 3 model is VH6501.

[0032] Specifically, the tire pressure test module includes a tire pressure tester 9, which is located on the front of the box body 1. The tire pressure tester 9 and the tire pressure test line 11 are connected inside the box body 1, and the tire pressure test line 11 passes through the side of the box body 1, and the tire pressure test line 11 is connected to the tire; the tire pressure tester 9 is connected to the data acquisition module 16 and the smart fuse box through the LIN bus. When in use, by changing the air pressure of the tire, the tire pressure tester 9 will obtain the tire pressure test data through the tire pressure test line 11, and the tire pressure tester 9 will encrypt and transmit the tire pressure test data to the smart fuse box through the LIN bus. The smart fuse box transmits the tire pressure test data to the data acquisition module 16 through the LIN bus, and finally the CANoe software analyzes and records it. The tire pressure tester 9 is a smart fuse box. The products of other companies in the same project are not provided here. Specific models.

[0033] Specifically, Figure 1As shown, the front of the box body 1 is also provided with a warning light 10, which is connected to the tire pressure status output port on the instrument compartment smart fuse box. The warning light 10 is used to alarm the tire pressure data. When the data is abnormal, the warning light is on. When in use, when the instrument compartment smart fuse box determines that the LIN bus tire pressure data exceeds the normal range, the tire pressure status output port outputs a high-level signal, and the warning light is on after receiving the high-level signal.

[0034] Specifically, the data acquisition module 16 is connected to the smart fuse box through multiple buses. This embodiment adopts a CAN bus and a LIN bus. The data acquisition module 16 is connected to the PC through a USB interface. The data acquisition module 16 is connected to the bus jammer 3 and the Bluetooth transmitter 12 through the CAN bus respectively. The data acquisition module 16 is connected to the tire pressure test module through the LIN bus. The data acquisition module 16 is connected to the smart fuse box through the CAN bus and the LAN bus. The data acquisition module 16 is used to collect tire pressure test data, Bluetooth test data, and bus interference test data for staff to analyze and record through the PC software CANoe. When in use, the test script written by the CANoe software tests the bus data obtained from the data acquisition module 16, generates a test report and test data, and combines the test report and test data to facilitate the tester to analyze and summarize. The model of the data acquisition module 16 in this embodiment is VN1640A of Vector Company.

[0035] Specifically, the programmable power supply 15 is connected to the smart fuse box through a power line to supply power to the smart fuse box, and the programmable power supply 15 is connected to the PC through a USB interface. The programmable power supply 15 is controlled by a CANoe software script to change the power supply voltage provided to the smart fuse box, and the working voltage test can be performed. In this embodiment, the model of the programmable power supply 15 is VH1150 of Vector Company.

[0036] Specifically, Figure 4 As shown, the front of the box body 1 is also provided with a voltage display screen 6 and a current display screen 7. A voltage sensor is provided in the voltage display screen 6, and a current sensor is provided in the current display screen 7. Both the voltage sensor and the current sensor are connected to the smart fuse box. The voltage sensor and the current sensor are used to detect the voltage and current of the smart fuse box controlled by the program-controlled power supply 15, respectively. The voltage display screen 6 and the current display screen 7 are customized LED voltage and current display screens. When in use, when the working voltage test is performed, the program-controlled power supply 15 is controlled by the CANoe software script to change the power supply voltage of the smart fuse box. The voltage display screen 6 displays the voltage change of the smart fuse box measured by the voltage sensor in real time, and the current display screen 7 displays the current change of the smart fuse box measured by the current sensor in real time.

[0037] Specifically, Figure 1 As shown, the front of the box body 1 is also provided with an outlet 17 and a bus data acquisition socket 8. The outlet 17 provides an import and export for other lines outside the bus. The USB data line connecting the PC and the data acquisition module 16, the programmable power supply 15 and the bus jammer 3, the connection line between the warning light 10 and the smart fuse box, the connection lines between the voltage sensor and the current sensor and the smart fuse box, and the power line connecting the programmable power supply 15 and the smart fuse box all pass through the outlet 17. There are multiple bus interfaces in the voltage bus data acquisition socket 8, including a CAN bus interface and a LIN bus interface. The bus data acquisition socket 8 is respectively connected to the CAN bus interface of the Bluetooth transmitter 12, the CAN bus interface and the LIN bus interface of the data acquisition module, the CAN bus interface and the LIN bus interface of the smart fuse box, the CAN bus interface of the bus jammer 3 and the LIN bus interface of the tire pressure tester 9. The bus data acquisition socket 8 is used to extend the bus and connect the internal buses of the same type at one point, so as to facilitate the connection of the bus of the internal equipment of the box body 1 with the bus of the smart fuse box. Through the connection between the bus data acquisition socket 8 and the bus socket of the instrument compartment intelligent fuse box, under the control of the PC, the box body 1 and the instrument compartment intelligent fuse box can simultaneously receive and send bus data.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic testing mechanism for an intelligent fuse box in an automobile instrument compartment, comprising a box body (1) and a top cover (2), wherein the top cover (2) is detachably connected to the box body (1), and is characterized in that: The box body (1) is provided with a tire pressure test module, the box body (1) is provided with a data acquisition module (16) and a program-controlled power supply (15), the top cover (2) is provided with a bus jammer (3), the tire pressure test module is respectively connected to the intelligent fuse box and the data acquisition module (16), the data acquisition module (16) and the program-controlled power supply (15) are both connected to the intelligent fuse box, the bus jammer (3) is respectively connected to the data acquisition module (16) and the intelligent fuse box, and the bus jammer (3), the data acquisition module (16) and the program-controlled power supply (15) are all connected to the control module.

2. The automatic testing mechanism for the intelligent fuse box in the automobile instrument compartment according to claim 1 is characterized in that: The top cover (2) is provided with a through hole, in which a screw rod (5) is provided, and the upper part of the screw rod (5) is fixedly connected to the top cover (2) via a fixing nut (4); the lower part of the screw rod (5) is threadedly connected to a slot (14), the slot (14) corresponds to the through hole in upper and lower parts, and the slot (14) is arranged in the box body (1); the top cover (2) and the box body (1) are connected at both sides via a clamping member.

3. The automatic testing mechanism for the intelligent fuse box in the automobile instrument compartment according to claim 2 is characterized in that: The control module comprises a PC, which is respectively connected to a data acquisition module (16), a programmable power supply (15) and a bus jammer (3) via USB data cables.

4. The automatic testing mechanism for the intelligent fuse box in the automobile instrument compartment according to claim 3 is characterized in that: The box body (1) is also provided with a Bluetooth key testing device, which is connected to the data acquisition module (16) and the intelligent fuse box respectively via a CAN bus.

5. The automatic testing mechanism for the intelligent fuse box in the automobile instrument compartment according to claim 4 is characterized in that: The Bluetooth key testing device comprises a Bluetooth receiver (13) and a Bluetooth transmitter (12); the Bluetooth receiver (13) and the Bluetooth transmitter (12) are both located on the box body (1); the Bluetooth receiver (13) is connected to the Bluetooth key; the Bluetooth transmitter (12) is connected to the Bluetooth receiver (13); and the Bluetooth transmitter (12) is respectively connected to the smart fuse box and the data acquisition module (16) via a CAN bus.

6. The automatic testing mechanism for the intelligent fuse box in the automobile instrument compartment according to claim 5 is characterized in that: The bus jammer (3) is connected to the intelligent fuse box and the data acquisition module (16) respectively via the CAN bus; the data acquisition module (16) is connected to the intelligent fuse box via a plurality of buses; and the programmable power supply (15) is connected to the intelligent fuse box via a power line.

7. The automatic testing mechanism for the intelligent fuse box in the automobile instrument compartment according to claim 6 is characterized in that: The tire pressure test module comprises a tire pressure tester (9), the tire pressure tester (9) being arranged on the box body (1), the tire pressure tester (9) being connected to a tire pressure test line (11), and the tire pressure test line (11) being connected to the tire; the tire pressure tester (9) being connected to the data acquisition module (16) and the intelligent fuse box respectively via a LIN bus.

8. The automatic testing mechanism for the intelligent fuse box in the vehicle instrument compartment according to any one of claims 1 to 7, characterized in that: The box body (1) is also provided with a bus data acquisition socket (8), which is respectively connected to the CAN bus interface of the Bluetooth transmitter (12), the multiple bus interfaces of the data acquisition module (16), the CAN bus interface of the bus jammer (3), the LIN bus interface of the tire pressure tester (9), and the multiple bus interfaces of the intelligent fuse box.

9. The automatic testing mechanism for the intelligent fuse box in the automobile instrument compartment according to claim 8 is characterized in that: The box body (1) is also provided with a voltage display screen (6) and a current display screen (7), a voltage sensor is provided in the voltage display screen (6), and a current sensor is provided in the current display screen (7), and both the voltage sensor and the current sensor are connected to the intelligent fuse box.

10. The automatic testing mechanism for the intelligent fuse box in the automobile instrument compartment according to claim 9, characterized in that: The box body (1) is also provided with a warning light (10), and the warning light (10) is connected to the intelligent fuse box.

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