一种双模微磁分离式检车系统
By combining microwave ranging and multi-axis magnetoresistive sensors, the dual-mode micro-magnetic separation vehicle inspection system solves the problems of existing vehicle inspection equipment being prone to damaging the road surface and having low detection accuracy. It achieves rapid response and accurate differentiation between vehicles and pedestrians, expands the applicable scenarios, and reduces maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-09-03
- Publication Date
- 2026-07-17
AI Technical Summary
Existing vehicle detection equipment suffers from problems such as being prone to damaging road surfaces, low detection accuracy, high maintenance costs, and limited applicability, especially in distinguishing between vehicles and pedestrians.
The dual-mode micro-magnetic separation inspection system combines a microwave ranging sensor and a multi-axis magnetoresistive sensor. Data is filtered through a data processing chip, and environmental adjustments are made using a temperature and humidity sensor, enabling rapid response and accurate differentiation.
It enables installation without damaging the road surface, provides rapid response and accurate differentiation between vehicles and pedestrians, improves detection accuracy, expands applicable scenarios, and reduces maintenance costs.
Smart Images

Figure CN224519401U_ABST
Abstract
Claims
1. A dual-mode micro-magnetic separation vehicle detection system, comprising a DC / DC power module, a microwave distance sensor, a multi-axis reluctance sensor, a temperature and humidity sensor, a data processing chip, an RS485 communication chip and a dual-path high-precision step-down chip, characterized in that, The DC / DC power module is connected to a dual-channel high-precision step-down chip. The data processing chip is connected to both the dual-channel high-precision step-down chip and the RS485 communication chip. The data processing chip is also connected to a microwave ranging sensor via an RS232 interface, a multi-axis magnetoresistive sensor via an IIC interface, and a temperature and humidity sensor via an IIC interface. The RS485 communication chip and the DC / DC power module are connected to the control box via a 4-core interface cable.
2. The dual mode micro-magnetic separation vehicle detection system according to claim 1, characterized in that: The control box is a GD32F103C8T6 microcontroller.
3. The dual mode micro-magnetic split car detection system according to claim 1, wherein: The microwave ranging sensor uses a wired connection to transmit signals.
4. The dual mode micro-magnetic split car detection system according to claim 1, wherein: The data processing chip is model GD32F103RCT6.
5. The dual mode micro-magnetic split car detection system according to claim 1, wherein: The microwave ranging sensor is connected to the data processing chip via an RS232 interface.
6. A dual mode micro magnetic split car detection system according to claim 1, characterized in that: The dual-channel high-precision step-down chip uses the LM1117 chip.
7. The dual mode micro-magnetic split car detection system according to claim 1, wherein: The DC / DC power module has an input voltage of 5-30V and an output voltage of 5V.