After-collision vehicle safety system triggering time measuring device and method
A safety system and technology of triggering time, applied in the direction of measuring devices, vehicle testing, vehicle impact testing, etc., can solve the problems of high sensor cost and inability to monitor the detonation time intuitively, and achieve simple verification circuit and simple and convenient acquisition method , to ensure the effect of safety
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Embodiment 1
[0040] This embodiment provides a measuring device for the triggering moment of the vehicle safety system after a collision, such as figure 1 As shown, it includes a main circuit 110, a target object 120, a verification circuit 130 and an acquisition device, and the main circuit 110, the target object 120 and the verification circuit 130 are connected in sequence;
[0041] The main loop 110 is used to send a control signal; the control signal is used to trigger the target object 120, and is further transmitted to the verification loop 130;
[0042] The collection device is used to obtain the complete trigger time of the target object;
[0043] The verification circuit 130 is used to verify the relationship between the complete trigger time and the theoretical trigger time.
[0044]Further, the verification circuit includes a rectification circuit 131, a first shunt resistor 132, a control circuit and a display converter, the rectifier circuit 131, the first shunt resistor 132...
Embodiment 2
[0054] Another measuring device for the triggering moment of the vehicle safety system after a collision provided by this embodiment, such as figure 2 As shown, in addition to the device components provided in Embodiment 1, the device also includes a first detector and a second detector, the first detector is used to detect whether there is a collision signal outside, and the second detector uses In the case of an external collision signal, judge whether to send a control signal according to the collision signal, and if so, trigger the main circuit to send a control signal; wherein, the main circuit 110 includes an ACU (Airbag Control Unit) airbag controller 111.
[0055] As a specific implementation manner, the device further includes a third detector, the third detector is used to judge whether the signal flowing through the control circuit is greater than a preset threshold, if so, the control circuit is turned on, The display converter starts to change the display state,...
Embodiment 3
[0058] This embodiment provides a method for measuring the triggering moment of the vehicle safety system after a collision by using the above-mentioned device, such as image 3 shown, including:
[0059] S101. Trigger the target object according to the control signal sent by the main loop, and transmit the control signal to the verification loop;
[0060] Further, the triggering of the target object according to the control signal sent by the main loop also includes:
[0061] Use the first detector to detect whether there is a collision signal outside, if so, judge and analyze whether the main circuit is required to send a control signal through the second detector, if so, then touch the main circuit to send a control signal, and use the control signal Trigger the target object.
[0062] S102. Obtain the complete trigger time of the target object through the acquisition device;
[0063] Further, the acquisition of the complete trigger time of the target object through the ...
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