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Alarm, alarm system and alarm method

A technology of alarm and alarm signal, applied in the field of alarm

Inactive Publication Date: 2006-02-15
深圳市安软科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] The main purpose of the present invention is to solve the problems in the prior art, to provide an alarm, an alarm system composed of the alarm and an alarm method thereof, with low cost, rapid alarm and easy networking

Method used

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  • Alarm, alarm system and alarm method
  • Alarm, alarm system and alarm method
  • Alarm, alarm system and alarm method

Examples

Experimental program
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specific Embodiment 1

[0101] Specific embodiment one, such as Figure 5 As shown, the control unit includes a single-chip microcomputer 1, a NAND gate 11, a buffer inverter 12, a transistor 2 and a relay 3 connected in series, the input terminal of the single-chip microcomputer 1 is connected with the alarm sensing unit 4, and the output signal is under the control of the control terminal. The NAND gate 11 and the inverter 12 are connected to the base of the transistor 2, the emitter of the transistor 2 is grounded, the collector is connected to the power supply VJ through the relay coil, and a diode is reversely connected across the two ends of the relay coil, and the relay 3 One end of the normally open contact is connected to the power supply VP, and the other end is coupled to the shielding unit. When any one of the alarm sensing units 4 detects an abnormal situation, a high-level signal is output to the input port of the single-chip microcomputer 1, and the output signal of the single-chip mic...

specific Embodiment 2

[0128] Specific embodiment 2. Compared with embodiment 1, the shielding unit is a shielding box made of a material with the ability to shield radio signals. There is a cavity 6 for placing a mobile phone in the shielding box, and the shielding box is also Including a dodge door 7, the dodge door responds to the control signal sent by the control unit, and a mechanism is designed to close the shielding box to shield the wireless communication signal when there is a relay pull-in action, such as Figure 8 As shown, the figure on the left shows the state of the dodge door open, and the picture on the right shows the state of the dodge door closed.

specific Embodiment 3

[0129] Specific embodiment three, such as Figure 9 Shown, compared with embodiment one, two difference is that shielding unit is switch 8, and embodiment three is a small and exquisite mobile station (communication device) that does not have call function that is formed by mobile phone module, a small amount of control circuit and SIM card ), dedicated to positioning and tracking. One end of the changeover switch 8 is connected to the working power of the mobile station, and the other two ends are respectively used to connect the two ends of the normally closed contact of the relay through switching, and one end of the normally closed contact of the relay is also connected to the mobile station. like Figure 9 As shown, the power supply 5 is controlled by the switch 8, and when the switch points to the communication side, the mobile station is connected to the power supply and works normally with the network. The system provides customers with various location-based service...

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Abstract

The invention discloses an alarm, alarm method and alarm system, which consists of alarm and control center, wherein the alarm contains control unit and signal shield unit of cutting wireless communication. The control unit responds the register signal of alarm signal control shield unit and regards the register signal as warning occurrence. When control center inquires the warning occurrence, the system sends alarm according to register content.

Description

【Technical field】 [0001] The invention relates to an alarm, an alarm system composed of the alarm and an alarm method thereof. 【Background technique】 [0002] At present, there are various ways of alarming, and most electronic alarms such as figure 1 As shown, it consists of the alarm host and its supporting sensing elements and the transmission medium connecting them. [0003] The alarm host is responsible for receiving the alarm signal sent by the alarm sensing element and sending an alarm to the outside world. The ways to send an alarm to the outside world are divided into wired and wireless. The sensing element can be a human body infrared sensor, a magnetic door switch, a smoke detector, etc., and the transmission medium can be a signal cable and radio waves. If you want to form an alarm network, you also need a control center. [0004] As far as remote alarm is concerned, it can be divided into two types: wired and wireless. [0005] 1. Wired alarm [0006] The wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B25/00H04M11/04
Inventor 高金铎闫子荣
Owner 深圳市安软科技股份有限公司
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