Anti-cheating safety belt warning device with length detection function
An alarm device and seat belt technology, which is applied in the directions of seat belts, transportation and packaging, and belt control systems in the car, can solve the problems of wearing on the body, poor real-time performance, and time-consuming algorithms with a great influence, and achieve the accuracy of detection. The effect of high, high reliability and good practical value
Inactive Publication Date: 2017-02-22
JILIN UNIV
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Problems solved by technology
[0002] At present, common seat belt unfastened reminder devices judge whether the driver or passenger is fastened by detecting whether the buckle of the seat belt is inserted into the buckle of the seat belt. Some patents identify the wearing status of the seat belt through image recognition. , the former cannot recognize cheating methods such as fixing the root of the seat belt with a clip, and then putting the seat belt on the body. The latter is greatly affected by light and the algorithm takes a long time and has poor real-time performance.
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[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0031] refer to figure 1 , the present invention is mainly composed of a vehicle speed detection module, a passenger detection module, a seat belt buckle state discrimination module, a seat belt length detection module, a seat belt cheating detection circuit and an alarm module. All electrical equipment of the circuit are powered by the storage battery 1 .
[0032] Described vehicle speed detection module comprises vehicle speed acquisition device 2 and vehicle speed detection switch 3; The connection of vehicle speed detection ...
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The invention relates to an anti-cheating safety belt warning device with length detection function, comprising a vehicle speed detection module, a passenger detection module, a safety belt buckle state determining module, a warning module, and a safety belt length detection module that are connected serially to a main circuit; the safety belt length detection module comprises a safety belt length sensor, a fixed resistor and a safety belt length detection switch; a pull cord of the safety belt length sensor comprises two parts fixed to a safety belt and across a sensor spindle; a spiral wire duct, balls and a ball spring jointly form a slide rheostat, the slide rheostat and the fixed resistor are jointly and serially connected to a direct current circuit; the safety belt length detection switch and the safety belt buckle state determining module are connected in parallel to the main circuit, and the control end of the safety belt length detection switch is connected to the direct current circuit where the slide rheostat and the fixed resistor are located. The anti-cheating safety belt warning device with length detection function is high in reliability and detection accuracy, enables passengers and a driver to take slimmer chances, and provides increased wearing accuracy of the safety belt.
Description
technical field [0001] The invention belongs to the technical field of car and passenger safety, and relates to an anti-cheating seat belt alarm device with a length detection function and a control method thereof. Background technique [0002] At present, common seat belt unfastened reminder devices judge whether the driver or passenger is fastened by detecting whether the buckle of the seat belt is inserted into the buckle of the seat belt. Some patents identify the wearing status of the seat belt through image recognition. , the former cannot recognize cheating methods such as fixing the root of the seat belt with a clip, and then putting the seat belt on the body. The latter is greatly affected by light and the algorithm takes a long time and has poor real-time performance. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an anti-cheating seat belt alarm device with a length detection function, which has high ...
Claims
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Login to View More IPC IPC(8): B60R22/48
CPCB60R22/48B60R2022/4808
Inventor 李世武柴萌陈发城魏雨浓高杰杨月黄梦圆常琦张豪翊
Owner JILIN UNIV