Self-powered car remote control key
A technology of car remote control key and self-power supply, applied in the field of car remote control key, to achieve the effects of no impact noise, simple overall structure and operation, and high mechanical reliability
Inactive Publication Date: 2015-04-01
ZHEJIANG NORMAL UNIVERSITY
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Problems solved by technology
[0003] Aiming at a series of problems existing in the existing car remote control key, the present invention proposes a self-powered car remote control key
Method used
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Embodiment Construction
[0015] The embodiment adopted by the present invention is: the upper end of the main body 1 is provided with an upper chamber 1a and an upper chamber 1b from top to bottom in turn, the bottom wall of the upper chamber 2 1b is provided with a stepped hole 1c, and the left wall is provided with a hanging hole k1; the lower end of the main body 1 is provided with a key slot 1d, and the key slot 1d and the upper cavity 1b are connected through a stepped hole 1c, and one side of the key slot 1d is provided with an arc-shaped chute 1e; two arc-shaped chute 1e A blind hole k2 and an axial hole k3 are opened symmetrically on the side, and a raw ear S is fixed in the axial hole k3, and an elastic contact T is installed in the blind hole k2; one end of the metal film h1 is fixed on the bottom wall of the upper chamber 1a by screws, The piezoelectric film h2 bonded to the metal film h1 and its arc protrusion constitutes the piezoelectric vibrator h, and the piezoelectric film h2 is placed...
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The invention belongs to the field of car remote control keys and particularly relates to a self-powered car remote control key. The upper end of a main body is provided with a first upper cavity and a second upper cavity in sequence. The bottom wall of the second upper cavity is provided with a stepped hole. The lower end of the main body is provided with a key slot. One side of the key slot is provided with a circular-arc-shaped sliding groove. The two sides of the circular-arc-shaped sliding groove are symmetrically provided with a blind hole and a shaft hole. A spring bar is fixed into the shaft hole. An elastic contact is mounted in the blind hole. One end of a metal film is fixed to the bottom wall of the first upper cavity through a screw. The metal film and a piezoelectric film adhering to circular arc protrusions of the metal film form a piezoelectric vibrator. A circuit board is mounted on the bottom wall of the second upper cavity through screws. A button is welded to the circuit board. The other end of the button is provided with a rubber cap. The circuit board is connected with the piezoelectric vibrator through a wire group. A rubber sealing layer is arranged in the first upper cavity in a pouring mode. A rotor on a key body is fixed into the circular-arc-shaped sliding groove through the spring bar. The self-powered car remote control key has the advantage that the piezoelectric vibrator has dual functions of power generation and a switch button.
Description
technical field [0001] The invention belongs to the field of automobile remote control keys, in particular to a self-powered automobile remote control key, which is used for wireless control of electronic locks of vehicles such as cars. Background technique [0002] Along with popularizing day by day of family car, the continuous development of portable electronic device technology, car remote control key has obtained extensive use. The current car remote control keys are basically powered by batteries, which cannot be used when the battery power is exhausted. The energy supply life is limited and needs to be replaced regularly. At the same time, discarded batteries will also cause serious environmental pollution and waste of resources. In the context of the rapid development of wireless networks and embedded systems, the resulting disadvantages of battery power supply are even more obvious. Therefore, people have proposed a variety of self-powered solutions for car remote ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): E05B19/00H02N2/18
Inventor 张忠华富佳伟孙明礼张克华阚君武王淑云
Owner ZHEJIANG NORMAL UNIVERSITY