Universal inertia switch with adjustable threshold value and closing method thereof
An inertia switch and threshold technology, applied in the field of inertia switches, can solve the problem of not being able to adjust the switch threshold and sense inertia signals in multiple directions at the same time.
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Embodiment 1
[0042] A specific embodiment of the present invention, such as Figure 1-11 As shown, a threshold-adjustable universal inertial switch is disclosed, including: a universal transmission structure, a guide head 3, a positioner 6, a switch trigger 10, and a threshold adjustment mechanism; wherein, the universal transmission structure can The inertial impact received by the universal inertia switch is transmitted to the guide head 3, one end of the guide head 3 is connected to the universal transmission structure, and the other end is buckled with the locator 6; the locator 6 is connected to the switch trigger 10 It is fixedly connected and acts synchronously; the positioner 6 provides a pressing force to buckle with the guide head 3 through the threshold adjustment mechanism; the value (size) of the pressing force provided by the threshold adjustment mechanism is the threshold for triggering the closure of the inertial switch. When the inertial impact received by the universal in...
Embodiment 2
[0083] This embodiment provides an alternative based on the same inventive concept for Embodiment 1:
[0084] 1) The guide head 3 of the present invention is connected with the shell 1 by a ball hinge 5, so that the guide head 3 can swing arbitrarily relative to the shell 1, and the schemes to achieve this effect in other forms are all within the protection scope of the present invention; Figure 12 The unique universal joint structure can also realize the rotation of the guide head 3 in any direction, achieving the effect of the ball hinge 5.
[0085] 2) The present invention realizes the adjustment of different trigger thresholds by adjusting the stressed state of the torsion spring 9, and other schemes that realize the adjustment of different trigger thresholds by adjusting the stressed state of the structure are all within the protection scope of the present invention; for example: the torsion spring 9 is replaced by a spring, the spring provides the pre-compression force ...
Embodiment 3
[0090] This embodiment provides a further improved threshold-adjustable universal inertial switch based on Embodiment 1, and the threshold adjustment mechanism is set as a multi-stage adjustment mechanism.
[0091] Optionally, the threshold adjustment mechanism includes: a first torsion spring, a second torsion spring, a torsion adjustment knob 7 and a torsion fine-tuning knob; both the first torsion spring and the second torsion spring are sleeved on the fixed shaft 4, and the first torsion The diameter of the spring is larger than that of the second torsion spring, and the second torsion spring is sleeved inside the first torsion spring. One end of the first torsion spring is fixedly connected with the locator 6, and the other end is fixedly connected with the torque adjusting knob 7; one end of the second torsion spring is fixedly connected with the locator 6, and the other end is fixedly connected with the torque fine-tuning knob.
[0092] The shear modulus of the first to...
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