Elastic pressure ball

[0026] Example 1:

[0027] like figure 1 As shown, an elastic pressure ball includes a sphere, and the sphere includes an elastic surface layer 1, a luminescent layer 2 and a hollow inner layer 3; a box 4 is provided at the center of the hollow inner layer 3, and the box body 4 is surrounded by springs 5 ​​and the luminescent layer. 2 fixed connection, the spring 5 is provided with a metal ball 6; the inside of the box is provided with a circuit board 7, and one side of the box is provided with an opening, and the wire connecting the circuit board 7 and the light-emitting layer 2 passes through the opening.

[0028] The box body 4 is made of a piezoelectric material, the piezoelectric material is a piezoelectric ceramic material, a piezoelectric single crystal material or a piezoelectric composite material, and the box body 4 is electrically connected to the circuit board 7 . The diameter of the metal ball 6 is smaller than the aperture of the spring 5 . In the process of squee

[0030] Example 2:

[0031] combine figure 2 , explaining how it works.

[0032] The circuit board includes a rectification and filtering module, a voltage stabilizing charging module, a power storage module and a power detection module;

[0033] The rectification and filtering module rectifies and filters the potential generated by the piezoelectric material box 4, and converts the generated alternating current into direct current that can be used for electronic components in the circuit;

[0034] The voltage stabilizing charging module regulates the DC power converted by the rectifying and filtering module, and converts it into the charging voltage of the storage module;

[0035] The power storage module is a lithium battery, which stores the electric energy conditioned by the voltage-stabilizing charging module and is used to light up the LED diode;

[0036] The power detection module detects the power of the power storage module, and when it detects that the power of the p

[0037] Example 3:

[0038] Since the potential generated by the piezoelectric material is generally weak, in order to optimize the management of the low-voltage power supply and realize the charging of the lithium polymer battery from very low current, intermittent or continuous power, the rectification filter module and the voltage stabilization charging module are respectively selected from the United States. Linear Technology's LTC3588-1 chip and LTC4071 chip.

[0039] like image 3 As shown, the circuit includes LTC3588-1 rectifier filter chip U1, LTC4071 voltage regulator chip U2, inductor L1, first capacitor C1, second capacitor C2, third capacitor C3, fourth capacitor C4 and fifth capacitor C5, PZ is The casing 4 and E of the piezoelectric material are lithium batteries.

[0040] The invention provides an elastic pressure ball, which relaxes the hand muscles by squeezing the pressure ball with the hand, effectively relieves the fatigue of the hand muscles, and at the sam