Trailer detection circuit and system
By designing trailer detection circuits, including high-drive control circuits, power supply circuits, sampling circuits and op-amp circuits, the problem of real-time detection of trailer connection status in the prior art is solved, and high-precision and low-cost trailer detection are achieved.
CN222671423UActive Publication Date: 2025-03-25TIANJIN JINGWEI HIRAIN TECH CO LTD
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Patent Information
- Application Number
- CN202420517649.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-03-15
AI Technical Summary
Technical Problem
The prior art cannot realize real-time detection of trailer connection status, and the assembly of the ABS trailer detection device increases vehicle cost and wiring harness complexity.
Method used
A trailer detection circuit is designed, including high-drive control circuit, power supply circuit, sampling circuit and operational amplifier circuit. These circuits are connected to real-time detection of trailer load fault status.
Benefits of technology
Real-time detection of trailer connection status is realized, the accuracy and real-timeness of detection are improved, and the wiring harness of the entire vehicle is optimized and the vehicle cost is reduced.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to the technical field of vehicles, and discloses a trailer detection circuit and system. The circuit comprises a high-drive control circuit and a diagnosis circuit, the input end of the high-drive control circuit is connected with a signal input end, and the output end of the high-drive control circuit is connected with the first input end of the diagnosis circuit; the diagnosis circuit comprises a power supply circuit, a sampling circuit and an operational amplifier circuit. The input end of the power supply circuit is connected with a power supply, and the output end is connected with the first input end; the input end of the sampling circuit is connected with the first input end; the output end of the sampling circuit is connected with the signal output end; the non-inverting input end of the operational amplifier circuit is connected with the first input end, the inverting input end of the operational amplifier circuit is connected with the output end of the sampling circuit, and the output end of the operational amplifier circuit is connected with the first voltage output end. By implementing the technical scheme of the utility model, the connection state of the trailer can be detected in real time according to the fault state of the trailer load, and the accuracy of the connection state of the trailer is improved.
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