Rechargeable burglar alarm for mobile phone stores

Abstract

The invention provides a rechargeable burglar alarm for mobile phone stores. The rechargeable burglar alarm comprises a power interface, a voltage stabilizing circuit, a single-chip microcomputer, a detection circuit, an alarm circuit, a switching power supply, an interface and a connection wire connected with a model machine. The power interface is connected with the voltage stabilizing circuit, the alarm circuit and the switching power supply, the voltage stabilizing circuit provides power to the single-chip microcomputer and the detection circuit, the detection circuit is serially connected with the connection wire through the interface to detect connection status of the model machine and provides information of the connection status of the model machine to the single-chip microcomputer, the single-chip microcomputer controls the alarm circuit to give an alarm after receiving the information of the connection status of the model machine, the switching power supply charges the model machine by being serially connected with the connection wire through the interface, and the connection wire is composed of a detection wire and a charging wire in combination. Cost is saved; the charging circuit is integrated in the alarm, the alarm connection wire and the charging wire are led out from the same interface, the alarm is neater and more orderly during display, and comfort level and purchase desire of customers are improved; cost and size are reduced for a supercapacitor due to a reserve power supply, safety factor is heightened, and service life is prolonged.

Description

technical field [0001] The invention belongs to the field of mobile phone display anti-theft products, and more specifically relates to a rechargeable anti-theft alarm device for mobile phone stores. Background technique [0002] In existing mobile phone stores, the anti-theft alarm and mobile phone charging are two independent devices, which are connected to the mobile phone through two wires to complete the functions of anti-theft alarm and mobile phone charging. When connected with the anti-theft alarm, the showcase will appear messy and untidy, affecting the display effect. At the same time, it will also affect the mood and desire of customers to buy products. How to solve the above problems has become a research topic for technicians. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the problem to be solved by the present invention is to provide a rechargeable anti-theft alarm device for mobile phone stores with simple and reasonable str...

AI Technical Summary

Problems solved by technology

[0002] In existing mobile phone stores, the anti-theft alarm and mobile phone charging are two independent devices, which are respectively connected to the mobile phone through two wires to complete the functions of anti-theft alarm and mobile phone charging. When connected with the anti-theft alarm, the showcase will look messy and untidy, which will affect the display effect. At the same time, it will also affect the mood and desire of customers to buy products. How to solve the above problems has become a research topic for technicians.

Images