Design of carrier-type thermal infrared induction lamp alertor main machine circuit
A technology of thermal infrared and induction lamps, which is applied in the direction of alarms that rely on interference with short-wavelength radiation, and can solve problems such as the impact of wireless communication distance and the impact on the environment
Inactive Publication Date: 2014-06-04
XIAN SINENG NETWORK SCI & TECH
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[0002] The alarm function is realized by detecting the thermal infrared of the human body through pyroelectricity. It has been widely used in security products. The thermal infrared alarm has a network type and a stand-alone type. When someone enters the stand-alone type, it will alarm itself. The network type is an alarm through a host. The host can be connected to multiple thermal infrared alarms. There are wired connections and wireless connections in the networking mode. A large number of connecting wires need to be laid for wired connections in homes or units, which will affect the environment.
The wireless communication distance will be affected by the wireless connection due to the structure of the building
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[0012] Such as figure 1 As shown, a host circuit of a carrier-type thermal infrared induction lamp alarm includes: a thermal infrared induction lamp 3, a host 1, and the thermal infrared induction lamp 3 is distributed in different space bodies 4, and the thermal infrared induction lamp 3 and the host 1 pass wires Force 2 for carrier connection.
[0013] Such as figure 2 As shown, the thermal infrared induction lamp 3 includes: a thermal infrared circuit 301, an LED lamp string 302 and a drive circuit 303. The output end of the rectifier circuit 5 is divided into two circuits, one of which is electrically connected to the thermal infrared circuit 301, and the other is electrically connected to the LED The lamp string 302 and the driving circuit 303 are electrically connected, the output terminal of the rectifier circuit 5 has a control switch K on the circuit connected in series with the LED lamp string 302 and the driving circuit 303, and the control terminal kr of the cont...
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The invention relates to a thermal infrared induction lamp, in particular to a carrier-type thermal infrared induction lamp alertor main machine circuit. The carrier-type thermal infrared induction lamp alertor main machine circuit is characterized in that the carrier-type thermal infrared induction lamp alertor main machine circuit comprises thermal infrared induction lamps and a main machine, the main machine comprises a current transformer, a sampling resistor R2, a reshaping circuit, a single-chip microcomputer, a power source and an alarming circuit, the current transformer is connected in an electric power circuit in a sleeved mode, output of the current transformer is loaded to the two ends of the sampling resistor R2, the sampling resistor R2 outputs communication square wave signals after being reshaped through the reshaping circuit, the square wave signals are input to the I / O end of the single-chip microcomputer through output of the reshaping circuit, after reading and processing through the single-chip microcomputer, the numbers and the alarm output types of the thermal infrared induction lamps are obtained, and the single-chip microcomputer controls the alarming circuit to work and outputs alarming signals. The power source is used for providing needed 5V voltages for the reshaping circuit, the single-chip microcomputer and the alarming circuit.
Description
technical field [0001] The invention relates to a thermal infrared induction lamp, in particular to a host circuit of a carrier-type thermal infrared induction lamp alarm. Background technique [0002] The alarm function is realized by detecting the thermal infrared of the human body through pyroelectricity. It has been widely used in security products. The thermal infrared alarm has a network type and a stand-alone type. When someone enters the stand-alone type, it will alarm itself. The network type is an alarm through a host. The host can be connected to multiple thermal infrared alarms, and the network type has wired connection and wireless connection. A large number of connecting wires need to be laid for wired connection in the home or work unit, which will affect the environment. The wireless communication distance will be affected by the wireless connection due to the structure of the building. Contents of the invention [0003] The object of the present invention...
Claims
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IPC IPC(8): G08B13/19
Inventor 陈鸿杰
Owner XIAN SINENG NETWORK SCI & TECH