586 results about "Automotive electronics" patented technology

The invention discloses an automobile electronic wire harness insulation sheath crack detection system based on computer vision, and the system comprises a multi-channel input module which is used for obtaining and preprocessing multi-channel original data frames; the double-domain feature extraction module is used for extracting a double-domain feature pyramid; the double-domain fusion module is used for executing cross-domain attention and mutual information consistent weighting and inhibiting mirror surface highlight pseudo response; the topological structure output module is used for outputting a preliminary crack structuring result through the multi-head crack structure prediction head set; the communication repair module is used for carrying out breakpoint bridging and conflict rollback on the preliminary crack structuring result; and the geometric measurement module is used for measuring crack data and forming a structured detection report. According to the method, polarization reflection suppression and flattening geometric modeling are fused, a double-domain crack detection network is constructed, accurate identification and quantitative measurement of sheath cracks are achieved, and the method has the advantages of being high in reflection resistance, stable in topology and traceable in result.

The invention provides a cooperative control method and device for low-voltage power consumption of a whole vehicle and electronic equipment, and relates to the technical field of automotive electronics, and the method comprises the steps: obtaining multi-modal original data (including vehicle state information, environment information and user behavior information), and carrying out the preprocessing; performing feature extraction and fusion processing on the preprocessed multi-modal original data to generate a high-level semantic event used for representing the vehicle leaving intention of the user or the parking scene; matching a global power consumption management strategy of a high-level semantic event through a hierarchical finite-state machine model; and according to the global power consumption management strategy, executing hierarchical power supply control on the low-voltage electricity load of the whole vehicle, and in the hierarchical power supply control process, dynamically adjusting control parameters in the global power consumption management strategy based on a comparison result of the actual power consumption monitoring data and a preset baseline model. Depth power shortage of the storage battery caused by redundant power consumption is effectively avoided, the risks that the vehicle cannot be started and equipment is abnormal are reduced, and the reliability of the whole vehicle and the user experience are improved.

The invention relates to the crossing field of an artificial intelligence technology and an automotive electronic technology, and discloses a voice interaction question answering method and system based on a vehicle-mounted large model knowledge base, and the method comprises the following steps: receiving a user query text, and executing intention recognition and structured analysis; based on an analysis result, constructing and executing a mixed retrieval request including structured filtering, full-text keyword retrieval and semantic vector retrieval; fusing and reordering the plurality of retrieval result sets obtained respectively to obtain a high-quality final retrieval result set; and finally, constructing a context based on the final retrieval result set and a user query text, and calling a large language model to generate and output a final answer. By introducing a hybrid retrieval and fusion reordering mechanism, comprehensive context information is provided for a large language model, the accuracy and reliability of questions and answers are improved, and the ability of a system to understand and process complex fuzzy queries is enhanced.

The invention relates to the technical field of automobile electronics and intelligent control, and discloses an intelligent cabin mechanical arm system which comprises a folding mechanical arm body, a tail end sensing interaction module, a driver state monitoring subsystem and a central control unit which are installed in a cabin. The central control unit controls the storage or working mode of the mechanical arm according to the comprehensive fatigue index of the driver; in the working mode, visual gazing information is used as a gating signal to activate electroencephalogram analysis, the operation intention is confirmed in combination with the visual prior probability and electroencephalogram signals, and the mechanical arm impedance parameters are adjusted in real time based on the fatigue state. According to the method, through Bayesian fusion of vision and electroencephalogram signals, the problem that single-mode control is unstable is solved; by means of variable impedance control and collision detection of the momentum observer, active safety protection based on the physiological state of the driver is achieved, and non-sensitive and high-safety intelligent auxiliary experience is provided in a limited cabin space.

The invention relates to the technical field of injection mold bases, in particular to a multi-cavity efficient injection mold base for automobile electronic products. Comprising a support, an injection molding feeding pipe is fixedly installed on the support, the fixed mold base is rotationally connected to the support, four upper molds are rotationally connected to the fixed mold base, each upper mold is rotationally communicated with the injection molding feeding pipe, a positioning motor in transmission connection with the fixed mold base is arranged on the support, and a lifting frame is arranged on the support in a lifting mode. The lifting frame is rotationally connected with a discharging rotating frame, the discharging rotating frame is rotationally connected with an overturning frame, the overturning frame is rotationally connected with a movable mold base, and the movable mold base is rotationally connected with four lower molds. The circulating type variable-angle reciprocating injection mold has the beneficial effects that the movable mold base and the lower mold are driven by the transmission mechanism to achieve circulating type variable-angle reciprocating rotation, and the limitation of static filling of a traditional fixed mold cavity is broken through by combining the synchronous linkage design of the fixed mold base and the upper mold and utilizing the centrifugal force and the periodic extrusion effect.

An automotive electronic intrusion determination method, apparatus and device based on multi-source fusion data, and a storage medium, the method comprising: performing filtering processing and fusion processing on obtained CAN bus data, vehicle-mounted entertainment system data, Internet of Vehicles data and vehicle state data to generate multi-dimensional feature vector data; marking a corresponding early warning level for the multi-dimensional feature vector data to generate a multi-source fusion data set; training a preset neural network based on the multi-source fusion data set to generate an automobile electronic intrusion detection model; and based on the automobile electronic intrusion detection model, according to the obtained target CAN bus data, target vehicle-mounted entertainment system data, target Internet of Vehicles data and / or target vehicle state data, obtaining an early warning level output by the automobile electronic intrusion detection model so as to determine whether the current vehicle is invaded or not. The technical problems that the false alarm rate is high and complex attacks are difficult to recognize due to the fact that an automobile electronic intrusion detection system depends on a single data source are solved.

The invention provides a heat management method and device for a new energy automobile, the new energy automobile, electronic equipment and a storage medium, and the method comprises the steps: obtaining input data; performing feature extraction on the temperature time sequence data sequence, the energy consumption information and the external environment state vector sequence to obtain a multi-modal feature set; performing feature fusion of a graph attention mechanism model on the multi-modal feature set to obtain a fused feature set; inputting the fusion feature set into a pre-constructed reinforcement learning controller for thermal management control strategy prediction, and obtaining a predicted thermal management control parameter output vector; optimizing a pre-constructed control strategy network according to the input data and the thermal management control parameter output vector to obtain a thermal management control model; and inputting test data into the thermal management control model to obtain a prediction result. According to the vehicle thermal management method and device, multi-mode information is fully fused, intelligent and dynamic thermal management of the vehicle is achieved, and the thermal management efficiency and the control capability are improved.

The invention relates to the field of automobile electronic control, in particular to a running state monitoring method for a vehicle motor controller, which comprises the following steps: S0, determining a key running signal needing to be continuously monitored; the communication format of the key operation signal on a vehicle-mounted CAN bus is defined; the method comprises the following steps: S1, constructing and deploying an embedded operation event recording system in a motor controller; s2, after the motor controller is powered on and runs, the embedded running event recording system constructed in the S1 is started, and recording of the running event is completed; s3, continuously monitoring and accumulating the power-off dormancy times of the motor controller through the storage aging management module; and executing an erasing operation on the special storage block. According to the method, reliable storage and on-demand return of key event data can be realized on the premise of not depending on an external debugging interface and not increasing significant hardware cost, so that effective monitoring of the working state of the motor controller is realized.

The invention discloses a high-elasticity anti-aging foamed silica gel sealing element, and belongs to the technical field of sealing materials. The silicone rubber is prepared from raw materials including methyl vinyl silicone rubber, fumed silica, hydroxyl-terminated polydimethylsiloxane and the like according to specific parts by weight through the processes of mixing, foaming vulcanization and the like. The apparent density of the sealing element is 0.3-0.6 g / cm < 3 >, the Shore A hardness is 25-45 degrees, the tensile strength is larger than or equal to 2.5 MPa, the elongation at break is larger than or equal to 350%, the performance retention rate is high after the sealing element is aged for 1000 h at the temperature of 150 DEG C, and the sealing element has excellent elasticity and aging resistance. The surface of the anti-slip sealing gasket can be provided with anti-slip textures to meet sealing requirements in the fields of automobiles, electronics and the like, and is long in service life and high in practicability.

The invention discloses a reminding method and system for a vehicle-mounted intelligent memo, and belongs to the technical field of automotive electronics, and the method comprises the steps: receiving memo content input by a user through a voice input module; automatically extracting position information, time information and associated user information in the memorandum content; based on the position information, the time information and the associated user information, whether the memorandum content meets important item judgment conditions or not is judged; determining a reminding strategy according to the judgment result; and executing the reminding strategy. According to the method and the system, active voice input of the user is combined with intelligent analysis, so that the problems of insufficient convenience, insufficient timeliness, insufficient accuracy and poor user experience in the prior art are solved, value-added services such as precise item classification reminding, family member collaborative reminding and tourism item intelligent generation strategy are realized, and the user experience is improved. The accuracy, the convenience, the intelligence and the safety of the vehicle-mounted memorandum are remarkably improved, meanwhile, the operation safety in the driving process is ensured, and important items are prevented from being missed.

The present application relates to the technical field of automobile electric performance test, in particular to a lateral acceleration and yaw angle combined simulation device and a use method thereof, comprising a fixing frame and a signal generating assembly, the fixing frame is provided with a power assembly, the fixing frame is further provided with a transmission assembly connected with an output end of the power assembly, an executing mechanism is arranged on the transmission assembly, the signal generating assembly is arranged on the executing mechanism, and the signal generating assembly is connected with an ESP and a signal receiver of an automobile through a transmission unit. Advantageous effects: the power assembly provides power for the movement of the executing mechanism, the executing mechanism simulates the state of the automobile when it makes a sharp turn, the lateral acceleration and yaw angle sensors collect the movement state signals of the signal generating assembly, and the collected signals are transmitted to the ESP system of the automobile through the transmission unit, the ESP system transmits the signals to the ECU electronic control unit of the automobile, the ECU finally transmits control signals to the whole vehicle to adjust the running state of the automobile, and finally the dynamic electric performance of the automobile ESP is tested.

The invention provides a high-flexibility tear-resistant epoxy structural adhesive as well as a preparation method and application thereof. The epoxy structural adhesive is prepared by mixing a component A and a component B, on the basis of the total weight of the component A, the component A comprises the following components in percentage by weight: 34-70% of modified epoxy resin, 5-30% of bisphenol A type epoxy resin, 2-6% of benzyl alcohol, 8-15% of an epoxy reactive diluent, 0.2-1.5% of a defoaming agent, 1-5% of a thixotropic agent, 5-40% of filler and 1-4% of epoxy color paste; on the basis of the total weight of the component B, the component B comprises the following components in percentage by weight: 55-75% of polyether amine, 5-15% of bisphenol A epoxy resin, 5-10% of benzyl alcohol and 10-20% of dodecylphenol. The mixing mass ratio of the component A to the component B is (3.7-7): 1. The modified epoxy resin and the bisphenol A epoxy resin are compounded, and an optimized curing system is combined, so that the flexibility and the tear resistance of the structural adhesive are remarkably improved while the high strength of the epoxy resin is maintained, and the structural adhesive is suitable for structural bonding in the fields of buildings, automobiles, electronics and the like.

The invention belongs to the technical field of automotive electronics AUTOSAR, and discloses an AUTOSAR multi-task-oriented nested lock management and real-time priority scheduling control system, a detection and prevention module establishes a dynamic resource allocation diagram by taking tasks and locks as nodes, real-time traversal is performed in combination with a depth-first search algorithm, and a task-lock-task circulation path is accurately identified; when a potential deadlock is detected, preferentially releasing a low optimal lock occupied by a low-priority task through priority arbitration, and triggering an overtime release mechanism when the priorities are the same; a scene of accessing multiple layers of shared resources by multi-task nesting under an AutoSar framework is adapted, so that the system is ensured to stably run in a complex concurrent scene, and function failure caused by deadlock is avoided; the priority scheduling module establishes a scheduling rule in combination with dual priorities of tasks and locks, optimizes a nested priority inheritance mechanism, temporarily improves the priority when a low-optimal task occupies a lock required by a high-optimal task, and configures a preemption right for the high-optimal lock.

The invention provides a domain controller test case intelligent generation method and system based on a knowledge graph, belongs to the technical field of automobile electronic testing, and is used for solving the problems of insufficient coverage rate, low efficiency and difficulty in knowledge inheritance of domain controller testing in related technologies. According to the method, a test knowledge graph fusing a functional architecture, historical data and expert experience is constructed, vector representation of nodes and relationships is learned by using a graph neural network, an optimized test path is generated through intelligent reasoning, then an extended test case is generated through a multi-dimensional generalization technology, and finally continuous optimization is performed through closed-loop quality evaluation. The test coverage rate and the design efficiency can be remarkably improved, and systematic precipitation and reuse of test knowledge are achieved.

The utility model relates to the technical field of shield case especially relates to a quick installation's automobile electronic component shield case, including bottom plate, the middle part of bottom plate top is installed with PCB board, its characterized in that, the recess of symmetrical setting is established in bottom plate top, the two inner side walls of recess vertical parallel are fixed with the baffle block, the outside of PCB board is provided with the cover body, through the pair of baffle blocks of symmetrical fixed on the two inner sides of bottom plate top recess vertical parallel, and the taper block of being hinged with baffle block is set up in the cover body bottom, and the taper block material has high resilience, so that the taper block can be inserted between the pair of baffle blocks, and immediately rebound to the initial state, realizes the quick installation to the cover body.

The invention provides an interface checking method, belongs to the field of automobile electronic software development, and unifies interface naming specifications. Creating a software component model according to the interface naming specification; performing interface verification according to the software component model to ensure the interface consistency between the software components and avoid subsequent problems caused by interface mismatching; potential problems such as data type mismatching and parameter transmission errors are found in advance, restoration can be carried out in an earlier stage, and the later modification cost is reduced. The integration risk is minimized, normal and stable interaction between software components is ensured, and the workload and time cost in the integration test stage are reduced.

A method for producing a soft magnetic manganese-zinc ferrite with a wide temperature range and high magnetic permeability for automotive electronics, characterized in that the material comprises main components and auxiliary components, wherein the main components comprise Fe₂O₃: 53 mol% to 55 mol%, ZnO: 16 mol% to 19 mol%, the remainder being Mn₃O₄, wherein, based on the total weight of the main components, the auxiliary components comprise nano-CaCO₃: 400 ppm to 1000 ppm, nano-TiO₂: 2000 to 6000 ppm, nano-Co₂O₃: 500 ppm to 2000 ppm, nano-Nb₂O₅: 100 ppm to 350 ppm, nano-SiO₂: 20 ppm to 150 ppm, nano-CuO: 0 ppm to 600 ppm, wherein the method for production comprises the following steps: Step 1, Preparation: the main components Fe2O3, ZnO and Mn3O4 are weighed according to their proportions and mixed by wet ball milling, with a mixing time of 10 to 40 minutes; Step 2, Pre-firing: the mixture obtained from step 1 is dried and pre-fired at 700 °C to 1000 °C, holding the temperature for 1 to 3 hours; Step 3, Grinding: the pre-burned material obtained from step 2 is shaken and the auxiliary components Nano-CaCO3, Nano-TiO2, Nano-Co2O3, Nano-Nb2O5, Nano-SiO2 and Nano-CuO are added according to the proportions, using the fluidized bed airflow milling method to grind the pre-burned material; Step 4, Granulation: the powder is granulated after airflow milling; Step 5, Pressing and Forming: it is pressed into a ring-shaped base body with the dimensions Ø 25mm in diameter * Ø 15mm in diameter * 7.5mm, with a density of 3.15g / cm³. 3 up to 3.35g / cm³ 3 amounts; Step 6, sintering, where the sintering temperature is 1200 to 1280°C, the holding time is 4 to 8 hours and the equilibrium oxygen content is 3.0 to 8.0%.

1. Name of the design product: multi-functional punch compound machine. 2. Use of the design product: used in punch process in automobile, electronic, hardware and other manufacturing industries. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

This utility model relates to the field of electronic water pump technology, specifically to a testing device for automotive electronic water pumps. The testing device includes an outer frame and a water pump. The outer frame is rotatably connected to a fixed cover via an electric push rod. Both the fixed cover and the outer frame are rotatably connected to the water pump. The fixed cover is threadedly connected to a fixing assembly via a screw rod. The fixing assembly is in close contact with the water pump. The fixing assembly includes several limiting plates evenly distributed inside the fixed cover, with one end of each limiting plate rotatably connected to the screw rod. The advantages of this utility model are: the fixing assembly can fix water pumps of different shapes horizontally, and the buffer plate and fixing frame can fix and limit the water pump vertically, while facilitating rotation. At this time, the water pump is fixed and cannot move, but it can be rotated during testing, thus facilitating testing and observation.

The invention provides a tire wear degree real-time measurement method and device, and relates to the technical field of automotive electronics, and the method comprises the steps: obtaining data such as wheel speed, load and tire pressure through an original sensor of a vehicle, and screening effective observation under a stable driving condition through working condition recognition; on this basis, wheel speed common changes caused by loads and tire pressure are compensated, coaxial wheel speed offset is extracted and mapped into a tire wear degree difference value, differentiated wear constraints are further introduced in combination with a driving form, global constraints are constructed with accumulated travelled distance, and the tire wear degree difference value is obtained. And real-time and independent output of the absolute wear degree of each tire is realized through multi-constraint joint solution. According to the invention, the wheel speed change caused by non-wear factors can be coped, and the independent wear state of each tire can be accurately output.

A circuit and method for measuring an average current of a solenoid valve, relating to the technical field of automotive electronics. The circuit comprises a solenoid valve (110), a first power supply (120), a sampling resistor, a field effect transistor drive circuit (130), a current acquisition circuit (140), an integrator circuit (150), and an integration reset circuit (160); the field effect transistor drive circuit (130) is used for controlling an on-off state of a first field effect transistor on the basis of a pulse width modulation gating signal; the first power supply (120) is used for providing a drive current for the solenoid valve (110) when the first field effect transistor is in an on state, and the drive current flows through the sampling resistor; the current acquisition circuit (140) is used for sampling voltage signals on two sides of the sampling resistor, and outputting the voltage signals to the integrator circuit (150); the integrator circuit (150) is used for performing integration processing on the voltage signals, and determining an average current of the solenoid valve (110) on the basis of an integration result; and the integration reset circuit (160) is used for performing periodic reset processing on the integrator circuit (150) on the basis of the pulse width modulation gating signal.

The invention discloses a vehicle-mounted bus message routing method based on a routing information set and a controller, and relates to the technical field of automotive electronics. The invention aims to solve the problems that in the prior art, vehicle-mounted bus message routing configuration is strongly coupled with a specific tool chain, and the updating process is tedious and low in efficiency. The method provided by the invention comprises the following steps of: storing a routing information set which can be updated independent of an application program in a nonvolatile memory of the vehicle-mounted controller, and the set comprises a routing rule; a routing processing module in the controller inquires the routing information set when receiving the current message of the source bus; and when the routing rule matched with the current message is queried, forwarding the current message to a target bus specified by the rule. According to the method, the routing rule and the execution logic are decoupled, and the routing update only needs to modify the data file without recompiling the whole software, so that the flexibility and the update efficiency of the routing configuration are greatly improved, and the dependence on a specific tool chain is eliminated.

The invention relates to the technical field of automobile electronic testing, in particular to a script-based vehicle-mounted radio frequency receiving module automatic testing method. The method comprises the following steps: constructing a test execution environment configuration structure by integrating an equipment list, physical connection information and historical test records; performing test case parameter extraction, multi-channel operation time sequence arrangement and mapping of RS232 and CAN bus control commands to generate a configuration structure capable of driving script execution; binding a high-frequency test scene and a control channel, expanding a specific instruction sequence, controlling the triggering of a power supply and a radio frequency signal, and completing the collection of test response data; and performing timestamp alignment, protocol analysis and statistical comparison on the response data, generating a test report and updating a test case execution record. According to the method, whole-process automation of test environment modeling, script driving configuration, test execution and result analysis is achieved, the test efficiency and reliability are remarkably improved, and good reusability is achieved.

The invention discloses a scratch-resistant PCR-PP (Polymerase Chain Reaction-Polypropylene) material and a preparation method thereof. According to the material, through a synergistic modification method of surfactant coupling and chemical crosslinking modification, the recycled polypropylene PCR is combined with a PP matrix, and the scratch resistance, the mechanical property and the processability of the composite material are remarkably improved. The scratch-resistant PCR-PP material comprises a modified PCR material, polypropylene, a micromolecular organic modifier, an antioxidant, a heat stabilizer, a light stabilizer and a filler, and can effectively improve the compatibility of recycled polypropylene and a polypropylene matrix and enhance the surface hardness of the recycled polypropylene and the polypropylene matrix. The material is suitable for high-frequency friction and high-temperature environments, has a wide application prospect, is particularly suitable for the fields of automobiles, electronics and electric appliances, and has good economic benefits and environmental benefits.

The invention is suitable for the technical field of automotive electronics, and provides a risk labeling method, a data processing method and device, vehicle-mounted equipment and a product. The risk labeling method comprises the following steps: receiving an anonymous data packet from a first vehicle; the anonymous data packet comprises risk identification information of a driver of the first vehicle and position information of the first vehicle; based on the position information of the first vehicle, determining position information of the first vehicle in an electronic rearview mirror image of a second vehicle; based on the position information of the first vehicle in the electronic rearview mirror image, determining the marked position of the risk identification information in the electronic rearview mirror image; and marking the risk identification information on the marking position in the electronic rearview mirror image. The risk identification information of the surrounding vehicle can be displayed in the electronic rearview mirror image, and the problem that the display content in the electronic rearview mirror image is single is solved.

The utility model relates to the technical field of automobile power supplies, in particular to an automobile output power supply compatible circuit. The circuit comprises a half-bridge LLC, a high-voltage input power supply, a first output branch, a second output branch and a secondary full-bridge rectification module or a secondary half-wave rectification module, the high-voltage input power supply is connected to the input end of the half-bridge LLC, the first output branch is connected to a secondary winding S1 of the half-bridge LLC, and the second output branch is connected to a secondary winding S2 of the half-bridge LLC; the secondary full-bridge rectification module is connected to the first output branch, and one end of the secondary full-bridge rectification module is connected with the second output branch; or the secondary side half-wave rectification module is connected to the first output branch. The output voltage in one power supply module is compatible with 24V and 12V of automobile electronic low-voltage power supplies, and the same module is used by only changing the position of an interface, so that the design and maintenance of an automobile low-voltage power supply system are greatly facilitated.

The invention relates to an automobile gear combination switch control method integrated with a vehicle-mounted weighing function, and belongs to the technical field of automobile electronic control. The invention aims to solve the technical problems of high cost and complex wiring caused by single function of an existing gear controller and independent arrangement of a vehicle-mounted weighing system. The electronic gear shifting system comprises an electronic gear shifting module used for detecting the gear and the parking key state; the combined switch module is used for detecting on-off states of a windscreen wiper, light and the like; the vehicle-mounted weighing module is used for supplying power to the height sensors of the four wheels, receiving PWM signals of the height sensors and calculating the total weight of the vehicle, the load ratio of front and rear axles and the loads of the four wheels according to the calibration parameters and the height variation of the vehicle body; and the communication module is used for sending a gear shifting signal, a switching signal and a weighing signal through a CAN FD bus. The weighing function is integrated into the gear controller, the weighing precision is improved through inclination angle compensation, real-time display and overload reminding of load information are achieved, and the gear controller has the advantages of being high in integration level, low in cost and good in precision.

The application is suitable for the field of automobile electronics, and provides a path parameter searching method and device, electronic equipment and a storage medium. The method comprises the following steps: in response to a parameter searching instruction in an OTX process, determining a target path and the number of layers of the target path according to the parameter searching instruction; determining a target container object from a plurality of first container objects according to the number of layers; each first container object corresponds to a path layer number; the first container object is used for storing a first corresponding relationship, and the first corresponding relationship is a corresponding relationship between a parameter and a path matched with the parameter; and searching by using the target container object according to the target path to obtain a target parameter.

Aspects of the disclosure are directed to variable shift frequency implementation. In accordance with one aspect, the disclosure includes synthesizing a divided clock (511) from a shift clock (501) with a divided frequency equal to a reference frequency divided by a selected integer divisor in a logical built-in self-test (LBIST) mode; transitioning the LBIST mode from a shift state to a capture state by enabling a capture control enable signal (502) while pacing with the divided clock (511); generating a stretched capture control enable signal from the capture control enable signal using a slow cycle programmer (SCP, 530) with a plurality of quad stage pipelines; and transitioning the LBIST mode from the capture state to a subsequent shift state with the stretched capture control enable signal in a HIGH state to mitigate voltage droop.

This utility model discloses an integrated automotive relay that facilitates rapid docking of different functional modules. It includes a mounting hole, a mounting plate, a relay body, a protective section, connectors, and docking ports. The docking ports are evenly distributed on the outer side of the relay body. This utility model features a dense arrangement of various types of docking ports on three sides of the relay body, allowing direct adaptation to different functional modules such as sensors, controllers, and actuators. This eliminates the need for adapters, simplifies wiring complexity, and supports the rapid construction of complex control logic through diverse interface types, meeting the modular upgrade requirements of automotive electronic systems. The protective section uses an L-shaped protective side frame to cover the interfaces, with the connector slots sealed by bolts using a baffle. Only the baffle at the target location needs to be removed to expose the corresponding interface for connection. Unused interfaces remain sealed, and the sealed baffle prevents dust and moisture from entering the interfaces.