Anti-theft alarming device capable of moving with article

A technology of anti-theft alarm, article, applied in the direction of anti-theft alarm mechanical activation, device to prevent theft of bicycles, transportation and packaging, etc.

Inactive Publication Date: 2014-03-26
黄宇嵩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Almost all anti-theft devices on the market are fixedly placed and used. Generally, it canno

Method used

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  • Anti-theft alarming device capable of moving with article

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Embodiment Construction

[0014] According to attached figure 1 The working schematic diagram and description of the circuit of the anti-theft alarm device that can be moved with the items shown, and the connection relationship between the components in each part of the circuit described in the summary of the invention, as well as the technical parameter requirements and specifications of the components described in the implementation mode The main points of making the circuit can be implemented to realize the present invention, and the related technologies of the present invention will be further described below in conjunction with the embodiments.

[0015] Selection of components and their technical parameters

[0016] Part number

Component name

Model or technical index

quantity

Remark

1

mercury switch

￠3.5mm, choose 237 type

1

motion sensor

SCR

SCR

MCR100-6

1

1A / 50V required

VT1

NPN transistor

2SC9013, β≥180

...

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PUM

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Abstract

The invention relates to an anti-theft alarming device capable of moving with an article. The anti-theft alarming device is characterized by comprising a 4.5V direct-current power supply, a moveable sensor, a unidirectional thyristor control circuit, a positive feedback oscillating circuit and a loudspeaker YS, wherein the moveable sensor and the unidirectional thyristor control circuit consist of mercury switches (1), unidirectional thyristors SCR and resistors R1; the positive feedback oscillating circuit consists of a resistor R2, an NPN type transistor VT1, a resistor R3, a PNP type transistor VT2, a capacitor C1, a resistor R4 and a loudspeaker YS. Nearly all the anti-theft devices in the market are fixed for use. The anti-theft alarming device capable of moving with the article, disclosed by the invention, can be fixedly arranged at a proper position of an anti-theft move-preventing device in use, such as a motorcar or a bicycle, a precious article and a cultural relic in a museum. When the article is moved, the alarming device gives sound, so that the aims of threatening uninvited guests and causing the attention of a person on duty are fulfilled.

Description

technical field [0001] The invention belongs to the technical field of electronics and security, and relates to an anti-theft alarm device that can be moved with items. Background technique [0002] Almost all anti-theft devices on the market are fixedly placed and used, and generally they cannot be installed with the movement of objects, which is subject to certain limitations in actual use. In order to overcome the defects existing in the existing anti-theft alarm devices on the market, it is necessary to develop an anti-theft alarm device that can move with the article. The movable anti-theft alarm device according to the present invention can be placed on anti-theft and anti-animal items, such as motorcycles or bicycles, valuables, cultural relics, etc., at appropriate positions when in use. When the object is moved, the alarm device will sound immediately. So as to achieve the purpose of intimidating uninvited guests and reminding the staff on duty. [0003] The circ...

Claims

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Application Information

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IPC IPC(8): G08B13/02B62H5/20
Inventor 黄宇嵩
Owner 黄宇嵩
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