A smart testing platform for automotive electrical components

Abstract

This invention relates to the field of automotive testing technology, specifically disclosing an intelligent testing platform for automotive electrical components. The platform includes: a structural frame based on an SUV chassis and constructed using BJ30 electrical components as templates; a sequential lighting system comprising a control box and a light strip module, with the control box mounted below the chassis and the light strip module mounted on the chassis, extending throughout the vehicle; a platform controller, whose network topology adopts a domain-centralized architecture platform development, applying multiple bandwidth bus types, based on a subset of the vehicle configuration table, ensuring network communication meets industry and enterprise standards and specifications, fulfilling bus termination resistance requirements, and possessing vehicle diagnostics, vehicle wake-up, and sleep mechanisms, simplifying and standardizing electrical architecture design; and a power supply for the sequential lighting system and the platform controller. This invention addresses the difficulty of testing existing automotive parts, which often requires vehicle disassembly and reassembly. By applying a sequential lighting system to the testing platform, it achieves intelligent and visual capabilities, simultaneously identifying the wiring path, the modules involved, and potential problems.

Description

Technical Field

[0001] This invention relates to the field of automotive testing technology, and more specifically to an intelligent testing platform for automotive electrical components. Background Technology

[0002] Regarding the testing of automotive parts, existing solutions include using parts testing benches, such as... Figure 1 As shown, the testing scheme for this component testing bench requires installing the component to be tested into the bench, powering it on, and observing whether the component is working properly. However, existing testing schemes usually require vehicle disassembly and reassembly, which is not only time-consuming and labor-intensive but also inefficient.

[0003] To address the issues of low efficiency in existing automotive parts testing, which requires vehicle disassembly and reassembly, this invention presents an intelligent testing platform for automotive electrical components. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an intelligent testing platform for automotive electrical components. Addressing the difficulties in testing existing automotive parts, which often require vehicle disassembly and reassembly, this invention innovatively applies a sequential turn signal system to the testing platform, achieving intelligent and visual monitoring. It identifies circuit paths, flowing modules, and potential problems simultaneously. Furthermore, the platform facilitates component replacement, demonstrates significant sequential turn signal monitoring and testing effectiveness, and can be updated in real-time to adapt to new vehicle models and electrical components, thus making it suitable for all situations.

[0005] To achieve the above objectives, the present invention provides an intelligent testing platform for automotive electrical components, comprising: The structural frame is designed based on an SUV chassis and uses electrical components from the BJ30 vehicle as a template. The sequential lighting includes a control box and a light strip module. The control box is installed under the chassis at the rear of the structural frame. The light strip module includes a constant white light strip, a blue light strip, a green light strip, and an ice blue light strip. It is installed on the chassis and runs through the entire vehicle. The platform controller adopts a domain-centralized architecture platform for its network topology development, applies multiple bandwidth bus types, is based on a subset of the vehicle configuration table, and its network communication meets industry and enterprise standards and specifications, meets bus terminal resistance requirements, has vehicle diagnostics, vehicle wake-up and sleep mechanisms, simplifies and standardizes electrical architecture design, and performs electrical beam design. The power supply provides power to the running lights and the platform controller.

[0006] The beneficial effects of this invention include: (1) The intelligent testing platform for automotive electrical components proposed in this invention addresses the problem that existing automotive parts testing is difficult and requires vehicle disassembly and reassembly. It innovatively applies a sequential light system to the testing platform to achieve intelligence and visualization, and discovers the circuit path, the modules through which it flows, and the possible problems. At the same time, the platform is easy to replace parts, and the sequential light monitoring and testing effect is obvious. It can be updated and replaced at any time according to new models and new electrical components, thus making it applicable to all situations.

[0007] (2) The intelligent detection platform for automotive electrical components proposed in this invention is designed with an SUV chassis and BJ30 vehicle electrical components as templates. It includes six electrical control domains: body comfort domain, infotainment domain, intelligent driving domain, parking domain, power chassis domain, and vehicle networking domain. It can apply various bandwidth total electrical types.

[0008] (3) The intelligent testing platform for automotive electrical components proposed in this invention can also be used for training purposes, enabling new employees and technical workers to quickly understand the structure of automobiles and the specific uses of each component.

[0009] Other features and advantages of the present invention will be described in detail in the following detailed description section. Attached Figure Description

[0010] The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of exemplary embodiments of the invention in conjunction with the accompanying drawings.

[0011] Figure 1 This is a schematic diagram of an existing component testing bench.

[0012] Figure 2 This is a front view schematic diagram of a specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0013] Figure 3 This is a side view schematic diagram of a specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0014] Figure 4 This is a top view schematic diagram of a specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0015] Figure 5 This is a schematic diagram illustrating the sequential light control principle in one specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0016] Figure 6 This is a schematic diagram of a flowing light design in one specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0017] Figure 7This is a schematic diagram illustrating the overall effect of the sequential turn signals in a specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0018] Figure 8 This is a schematic diagram of the platform network topology in one specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0019] Figure 9 This is a schematic diagram of the diagnostic interface pins in a specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0020] Figure 10 This is a schematic diagram of the power start relay design in one specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0021] Figure 11 This is a schematic diagram of the power supply principle in one specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention.

[0022] Figure 12 This is a schematic diagram of the wiring harness design in one specific embodiment of the intelligent testing platform for automotive electrical components proposed in this invention. Detailed Implementation

[0023] Preferred embodiments of the invention will now be described in more detail. While preferred embodiments of the invention are described below, it should be understood that the invention can be implemented in various forms and should not be limited to the embodiments set forth herein.

[0024] This invention provides an intelligent testing platform for automotive electrical components, such as... Figure 5-7 As shown, it includes: The structural frame is designed based on an SUV chassis and uses electrical components from the BJ30 vehicle as a template. The sequential lighting system includes a control box and a light strip module. The control box is installed under the chassis at the rear of the structural frame. The light strip module includes a constant white light strip, a blue light strip, a green light strip, and an ice blue light strip. It is installed on the chassis and runs through the entire vehicle. The platform controller adopts a domain-centralized architecture platform for its network topology development, applies multiple bandwidth bus types, is based on a subset of the vehicle configuration table, and its network communication meets industry and enterprise standards and specifications, meets bus terminal resistance requirements, has vehicle diagnostics, vehicle wake-up and sleep mechanisms, simplifies and standardizes electrical architecture design, and performs electrical beam design. Power supply for the running lights and platform controller.

[0025] This invention addresses the challenges of testing existing automotive parts, which often requires vehicle disassembly and reassembly. It innovatively applies a sequential light system to the testing platform, achieving intelligent and visual monitoring that identifies the circuit path, the modules involved, and potential problems. Furthermore, the platform facilitates component replacement, provides significant monitoring and testing effectiveness based on new vehicle models and electrical components, and can be updated in real time to adapt to all situations.

[0026] According to the present invention, the structural frame satisfies: The processed lightweight sample has a smooth, burr-free surface. Extract the overall dimensions of the chassis from the reference data or provide the corresponding chassis dimensions and wheelbase for manufacturing; The chassis is reinforced with a steel frame structure and equipped with casters at the bottom for easy movement and transportation; The plastic panel is CNC machined, and the wheel hubs are made of transparent acrylic material; According to customer requirements, the lighting layout and display component placement layout are processed, sanded, painted and polished. The vehicle's wiring is routed at the bottom of the chassis and uses a variable light layout. The variable lights represent the transmission routes of each function, and the control of the variable lights is operated and displayed on a tablet.

[0027] According to the present invention, a white constant light strip surrounds the main modules of the vehicle body, and the illumination indicates that the corresponding module is in the start-up state; The blue light strip is centered around the BDC body control module, which includes the AMP independent power amplifier system, PAS reversing radar, WCM anti-theft control module and DVR driving recorder; The green light strip is based on the CGW central intelligent gateway system, which includes the TBOX vehicle communication module, MPC multi-functional camera and CMRR millimeter-wave radar; The ice-blue light strip is centered around the CDC entertainment control module, which includes the FVC monitoring system and the RVC reversing camera module.

[0028] According to the present invention, the power supply includes a 220V to 12V inverter, a running light controller, a running light control panel, a running light circuit switch, a controller circuit switch, an LED digital display, an LED digital display shunt, a circuit splitter positive terminal, and a line splitter negative terminal.

[0029] The testing platform proposed in this invention is designed with an SUV chassis and constructed using BJ30 vehicle electrical components as a template. It includes six electronic control domains: body comfort domain, infotainment domain, intelligent driving domain, parking domain, power chassis domain, and vehicle networking domain, and can apply various bandwidth total electrical types.

[0030] According to the present invention, the platform controller network topology adopts a domain-centralized architecture platform development including: Referring to the vehicle network architecture, an electronic control domain is developed using a domain-centralized architecture platform. The electronic control domain includes the vehicle comfort domain, infotainment domain, intelligent driving domain, parking domain, powertrain chassis domain, and vehicle networking domain. The platform controller offers various bandwidth bus types, including wired and wireless communication. Wired communication includes Ethernet, CAN / CANFD, LVDS, and LIN; Wireless communication includes 3G / 4G communication between TBOX and cloud platform, Bluetooth communication between CDC and smart mobile terminal, and communication between CDC and wireless hotspot.

[0031] According to the present invention, the subset of platform controllers includes: .

[0033] According to the present invention, the platform controller network communication meets industry and enterprise standard specifications, including: "Technical Requirements for CAN / CAN FD / LIN / Ethernet Network Nodes of Q / BAIC Automotive Electronic Control Units", "Technical Requirements for AUTOSAR Network Management of CAN / CAN FD Bus of Q / BAIC Automotive Electronic Control Units", and "Technical Requirements for Network Routing of CAN / CAN FD / LIN / Ethernet of Q / BAIC Automotive Electronic Control Units".

[0034] According to the present invention, the platform controller satisfies the bus termination resistance requirement as follows: For CAN FD communication ; For CAN communication ; LIN communication master-slave nodes are: .

[0038] According to the present invention, the vehicle diagnostics meet the industry and enterprise standard specifications of "Q / BAIC Automotive Electronic Control Unit UDS Diagnostic Specification Based on CAN / CAN FD / Ethernet"; The GW node of the vehicle diagnostic CAN network segment supports OBD services. Vehicle diagnostics and program flashing are performed through the DLC diagnostic interface. The DLC diagnostic interface is a subset of the vehicle's DLC, retaining only one interface. The pin definitions should meet the "Technical Requirements for Automotive Diagnostic Interfaces." The diagnostic interface pin definitions include:

[0039] The vehicle wake-up and sleep mechanism is as follows: The testing platform is in the IG ON state by default, and the platform controller ECU is normally in the wake-up state.

[0040] According to the present invention, the platform controller simplifies and standardizes electrical architecture design by including: The power supply is designed with a rated voltage of 12V, and the inverter supports a voltage regulation range of 0-24V. Simplify the design of the power-starting relay; connect all the positive power pins of the platform controller to the battery interface, calculate the rated current value separately, and configure the fuse specifications separately. Based on the low-voltage power supply status, the vehicle power supply mode is divided into OFF, ON, engine ON, engine OFF and CRANK modes. Based on the vehicle low-voltage power supply mode, a subset is made. According to the detection range and layout requirements, OFF, ON and engine OFF modes are retained, while CRANK mode and engine ON mode are canceled. The engine OFF mode design is simplified by eliminating the remote key, radio frequency module and antenna, and the BDC-related anti-theft certification design. The power mode signal is simulated through the DLC diagnostic interface. The wiring harness design includes: Defined based on 3D data and combined with actual measurement data of the vehicle structure; Wire gauge and color conform to German standards; The entire wiring harness was completely wrapped with felt tape.

[0041] (3) The testing platform proposed in this invention can also be used for training purposes, enabling new employees and technical workers to quickly understand the structure of automobiles and the specific uses of each component.

[0042] The present invention will be described in more detail below through embodiments.

[0043] Example 1

[0044] This embodiment provides an intelligent testing platform for automotive electrical components. The core technical solution of this testing platform includes a structural frame, sequential lights, a platform controller (core), and a power supply, specifically including: I. Structural Framework: The structural frame is based on an SUV chassis and constructed using electrical components from the BJ30 vehicle as a template. The platform's three-view model is as follows: Figure 2 (Front view) Figure 3 (Side view) and Figure 4 As shown in the top view; The general requirements for structural frames include: 1) The processed lightweight sample should have a smooth surface, be free of burrs, and have distinctive features; 2) Extract the overall chassis dimensions from the reference data or provide the corresponding chassis dimensions and wheelbase for manufacturing; 3) The chassis is reinforced with a steel frame structure and equipped with casters at the bottom for easy movement and transportation; 4) The plastic panel is CNC machined, and the wheel rims are made of transparent acrylic; 5) According to customer requirements, process the lighting layout and the position layout of the parts to be displayed, and then perform grinding, painting, polishing and other treatments; 6) The vehicle wiring is routed at the bottom of the chassis, and variable light is used to represent the transmission routes of each function. The lighting is controlled and displayed on a tablet (iPad). II. Flowing Lights: A running light is a set of lights that turn on and off in a set sequence and time under the control of a platform controller, creating a certain visual effect. The sequential lighting in this application is installed on the vehicle chassis, running the entire length of the vehicle, and its control principle is as follows: Figure 5 As shown; by observing the changes in the flow of the lights, one can determine which modules the electrical components have passed through and what problems might arise. In this embodiment, the control process of the running lights includes: The sequential turn signals consist of four colors: a constant white light strip, a blue light strip, a green light strip, and an ice-blue light strip. Each color represents a different functional module. The constant white light strip surrounds the main module, indicating that the module is activated. The blue light strip is centered around the BDC body control module, which includes the AMP independent power amplifier system, PAS reversing radar, WCM anti-theft control module, and DVR driving recorder. The green light strip is centered around the CGW central intelligent gateway system, which includes the TBOX vehicle communication module, MPC multi-function camera, and CMRR millimeter-wave radar. The ice-blue light strip is centered around the CDC entertainment control module, which includes the FVC monitoring system and RVC reversing camera module. The design drawings and overall vehicle renderings of the flowing light strips are as follows: Figure 6 and Figure 7 As shown; III. Platform Controller: 1. Network topology design: Referring to the overall vehicle network architecture, a domain-centralized architecture platform is adopted for development. Due to the influence of test bench space and complexity, it includes the vehicle comfort domain, infotainment domain, intelligent driving domain, parking domain, powertrain chassis domain, and vehicle networking domain. 2. Application of multiple bandwidth bus types: 1) Wired communication: including Ethernet, CAN / CANFD, LVDS, and LIN; 2) Wireless communication: 3G / 4G communication between TBOX and cloud platform, Bluetooth communication between CDC and smart mobile terminal, and communication between CDC and wireless hotspot; Platform network topology diagram as follows Figure 8 As shown; 3. Configuration table design: The platform configuration table is a subset of the vehicle configuration table, and the scope of the subset is shown in Table 1: Table 1 Subset Range ; 4. Network communication design: 1) The platform controller ECU needs to meet the following industry and enterprise standard specifications: "Q / BAIC Automotive Electronic Control Unit CAN / CAN FD / LIN / Ethernet Network Node Technical Requirements", "Q / BAIC Automotive Electronic Control Unit CAN / CAN FD Bus AUTOSAR Network Management Technical Requirements", and "Q / BAIC Automotive Electronic Control Unit CAN / CAN FD / LIN / Ethernet Network Routing Technical Requirements"; 2) The platform controller bus termination resistor requirements are shown in Tables 2, 3, and 4: Table 2. CAN FD Communication ; Table 3. For CAN communication ; Table 4 lists the LIN communication master and slave nodes. ; 5. Vehicle diagnostics: 1) The platform controller ECU needs to meet the following industry and enterprise standard specifications: "Q / BAIC Automotive Electronic Control Unit UDS Diagnostic Specification Based on CAN / CAN FD / Ethernet"; 2) The diagnostic CAN network segment GW node supports OBD service, and the platform can perform vehicle diagnostics, program flashing, etc. through the DLC diagnostic interface; 3) The DLC diagnostic port (physical layer) is a subset of the vehicle's DLC, retaining only one interface. The pin definitions should meet the "Technical Requirements for Automotive Diagnostic Interfaces." A pinout of the diagnostic interface is shown below. Figure 9 As shown, the definitions are as shown in Table 5: Table 5 Diagnostic Interface Pin Definitions ; 6. Vehicle wake-up and sleep mechanism: By default, the platform is in the IG ON state, and the controller ECU is normally in the wake-up state. 7. Electrical Architecture Section: 1) Power supply design: Voltage: Rated voltage 12V, inverter supports voltage regulation range 0-24V; Simplify the power-start relay design; all positive power pins corresponding to the ECU controller are connected to BAT (Body Atomizer), with separate rated current values ​​calculated and separate fuse specifications configured, such as... Figure 10 As shown; Power status: Based on the low-voltage power status, the vehicle power mode is divided into four modes: OFF, ON (engine ON), ON (engine OFF), and CRANK. The platform is based on a subset of the vehicle's low-voltage power modes. According to the detection range and layout requirements, only the OFF and ON (engine OFF) power modes are retained, and the CRANK and ON (engine ON) modes are removed. Power mode network signal: The platform's ON (engine OFF) power mode design is simplified, eliminating components such as remote key, RF module and antenna, and BDC-related anti-theft authentication design. The power mode signal is simulated through the DLC diagnostic interface. 2) Wiring harness design, such as Figure 12 As shown: Defined based on 3D data and combined with actual structural measurement data; Wire gauge and color conform to German standards; The entire wire harness was wrapped with felt tape. IV. Power Supply: The platform power supply operates at 12V with a rated current of <50A. The power supply includes a 220V to 12V inverter, a running light controller, a running light control panel, a running light circuit switch, a controller circuit switch, an LED digital display, an LED digital display shunt, the positive terminal of a circuit splitter, and the negative terminal of a line splitter. The power supply schematic is shown below. Figure 11 As shown.

[0050] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. An intelligent testing platform for automotive electrical components, characterized in that, include: The structural frame is designed based on an SUV chassis and uses electrical components from the BJ30 vehicle as a template. The sequential lighting includes a control box and a light strip module. The control box is installed under the chassis at the rear of the structural frame. The light strip module includes a constant white light strip, a blue light strip, a green light strip, and an ice blue light strip. It is installed on the chassis and runs through the entire vehicle. The platform controller adopts a domain-centralized architecture platform for its network topology development, applies multiple bandwidth bus types, is based on a subset of the vehicle configuration table, and its network communication meets industry and enterprise standards and specifications, meets bus terminal resistance requirements, has vehicle diagnostics, vehicle wake-up and sleep mechanisms, simplifies and standardizes electrical architecture design, and performs electrical beam design. The power supply provides power to the running lights and the platform controller.

2. The detection platform according to claim 1, characterized in that, The structural framework satisfies: The processed lightweight sample has a smooth, burr-free surface. The overall dimensions of the chassis can be extracted from the reference data, or the corresponding chassis dimensions and wheelbase can be provided for manufacturing. The chassis is reinforced with a steel frame structure and equipped with casters at the bottom for easy movement and transportation; The plastic panel is CNC machined, and the wheel hubs are made of transparent acrylic material; According to customer requirements, the lighting layout and display component placement layout are processed, sanded, painted and polished. The vehicle wiring is routed at the bottom of the chassis and is laid out in a variable light pattern. Each variable light represents the transmission route of a different function, and the lighting control of the variable lights is operated and displayed on a tablet.

3. The detection platform according to claim 1, characterized in that, The white, constantly illuminated strip surrounds the main modules of the vehicle body; when illuminated, it indicates that the corresponding module is in the active state. The blue light strip is based on the BDC body control module and includes an AMP independent power amplifier system, a PAS reversing radar, a WCM anti-theft control module, and a DVR driving recorder. The green light strip is based on the CGW central intelligent gateway system, including the TBOX vehicle communication module, MPC multi-functional camera and CMRR millimeter-wave radar; The ice-blue light strip is based on the CDC entertainment control module, which includes the FVC monitoring system and the RVC reversing camera module.

4. The detection platform according to claim 1, characterized in that, The power supply includes a 220V to 12V inverter, a running light controller, a running light control panel, a running light circuit switch, a controller circuit switch, an LED digital display, an LED digital display shunt, a circuit splitter positive terminal, and a line splitter negative terminal.

5. The detection platform according to claim 1, characterized in that, The platform controller network topology adopts a domain-centralized architecture platform development, which includes: Referring to the vehicle network architecture, an electronic control domain is developed using a domain-centralized architecture platform. The electronic control domain includes the vehicle comfort domain, infotainment domain, intelligent driving domain, parking domain, powertrain chassis domain, and vehicle networking domain. The platform controller has multiple bandwidth bus types, including wired communication and wireless communication; The wired communication includes Ethernet, CAN / CANFD, LVDS, and LIN; The wireless communication includes 3G / 4G communication between the TBOX and the cloud platform, Bluetooth communication between the CDC and the smart mobile terminal, and communication between the CDC and the wireless hotspot.

6. The detection platform according to claim 1, characterized in that, The subset of the platform controllers includes: 。 7. The detection platform according to claim 1, characterized in that, The platform controller network communication meets industry and enterprise standards and specifications, including: "Technical Requirements for Q / BAIC Automotive Electronic Control Unit CAN / CAN FD / LIN / Ethernet Network Nodes", "Technical Requirements for Q / BAIC Automotive Electronic Control Unit CAN / CAN FD Bus AUTOSAR Network Management", and "Technical Requirements for Q / BAIC Automotive Electronic Control Unit CAN / CAN FD / LIN / Ethernet Network Routing".

8. The detection platform according to claim 7, characterized in that, The platform controller meets the bus termination resistance requirement as follows: For CAN FD communication ； For CAN communication ； The LIN communication master and slave nodes are: 。 9. The detection platform according to claim 1, characterized in that, The vehicle diagnostics meet the industry and enterprise standard specification "Q / BAIC Automotive Electronic Control Unit UDS Diagnostic Specification Based on CAN / CAN FD / Ethernet"; The GW node of the vehicle diagnostic CAN network segment supports OBD services and performs vehicle diagnostics and program flashing through the DLC diagnostic interface. The DLC diagnostic interface is a subset of the vehicle DLC, retaining only one interface. The pin definitions should meet the "Technical Requirements for Automotive Diagnostic Interfaces". The diagnostic interface pin definitions include: The vehicle wake-up and sleep mechanism is as follows: The detection platform is in the IG ON state by default, and the platform controller ECU is normally in the wake-up state.

10. The detection platform according to claim 1, characterized in that, The platform controller simplifies and standardizes electrical architecture design, including: The power supply is designed with a rated voltage of 12V, and the inverter supports a voltage regulation range of 0-24V. To simplify the design of the power-starting relay, all the positive power pins of the platform controller are connected to the battery interface, and the rated current value is calculated and the fuse specifications are configured separately. Based on the low-voltage power supply status, the vehicle power supply mode is divided into OFF, ON, engine ON, engine OFF and CRANK modes. Based on the vehicle low-voltage power supply mode, a subset is made. According to the detection range and layout requirements, OFF, ON and engine OFF modes are retained, while CRANK mode and engine ON mode are canceled. The engine OFF mode design is simplified by eliminating the remote key, radio frequency module and antenna, and the BDC-related anti-theft certification design. The power mode signal is simulated through the DLC diagnostic interface. The wiring harness design includes: Defined based on 3D data and combined with actual measurement data of the vehicle structure; Wire gauge and color conform to German standards; The entire wiring harness was completely wrapped with felt tape.

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