WO2010009620A1

WO2010009620A1 - Alarm method and alarm thereof

Info

Publication number: WO2010009620A1
Application number: PCT/CN2009/001022
Authority: WO
Inventors: 黄纪恩; 梁乐逊
Original assignee: Wong Kei Yan
Priority date: 2008-07-11
Filing date: 2009-09-11
Publication date: 2010-01-28
Also published as: CN101383083B; CN101383083A

Abstract

An alarm method and an alarm thereof, wherein the alarm comprises a casing body (5), a panel (3), a protective cover (1), functional keys (2) and a circuit board (4), wherein a detection alarm test circuit is arranged on the circuit board (4) and is connected with the functional keys (2), and said the detection alarm testing circuit comprises a power supply, a rectification and voltage regulator circuit, a main control chip, a magnetron, a power amplifier circuit, a loud speaker, an alarm LED circuit and an setting LED circuit; the power supply is connected with the main control chip through the rectification and voltage regulator circuit; the main control chip is also respectively connected with the magnetron, the alarm LED circuit and the setting LED circuit and is connected with the load speaker through the power amplifier circuit; and the magnetron is controlled by the magnetic force of a corresponding magnetic paste to realize a switch-off or switch-on state.

Description

Technical field

The invention relates to an electronic alarm technology, and mainly relates to an alarm method and an alarm device for realizing an alarm by detecting a change in a resistance value of a magnetic signal or an infrared signal. Background technique

At present, the use of alarms is becoming more and more extensive, such as in the doors, windows and anti-theft of buildings. Chinese Patent Publication No. CN2842586Y discloses a door and window alarm device, which comprises an alarm circuit composed of a buzzer, a magnetic control trigger switch component, a music integrated chip and a switch K1, wherein the magnetic control trigger switch component comprises a magnetic component And a metal elastic switch disposed opposite to the magnetic element, when the magnetic element is close to the metal elastic switch, the contact in the metal elastic switch contacts or opens to realize an alarm function. Chinese Patent Publication No. CN2891121Y discloses a magnetically controlled door and window alarm, which is mainly composed of a main part with a reed switch and a permanent magnet sub-piece for controlling the reed switch, and the reed switch is taken from the main part casing. The inner part of the body is detachably connected to the outer surface of the main body casing, so that the reed pipe expands its movable range on the basis of the main body casing as a carrier, and the effective control of the reed pipe in the permanent magnet is ensured. Within the scope.

The above disclosed technology has a single function, the circuit is too simple, has no detection function, cannot be remotely controlled, and the circuit is easily damaged, so that the burglar alarm function is not well performed. Summary of the invention

The object of the present invention is to provide an alarm method and an alarm device thereof. By setting a detection alarm test circuit, it can detect whether the resistance value of the input resistance is normal, can effectively prevent artificial damage to the circuit, and realize multiple occasions, multi-function, long distance The alarm effect effectively overcomes the shortcomings of existing alarms.

The method of carrying out the invention is: This method involves detecting the resistance of the input resistor, the method comprising:

1

Confirmation Setting up a detection alarm test circuit;

Setting a magnetron sensing switch or an infrared switch in the detection alarm test circuit;

Under the magnetic or infrared induction, the magnetron sensing switch or the infrared switch in the detection alarm test circuit is turned on or off;

The detection alarm test circuit detects whether the resistance of the input resistance is normal;

When the input resistance deviates from the range set by the standard value, it is alarmed or displayed.

The method also includes: '

The action pushes the switch, the circuit is activated, enters the display state, and the circuit starts scanning sampling;

When the detection input resistance meets the requirements, the green light is on, indicating that it is normal;

When the detection input resistance does not meet the requirements, the green light is off, indicating an abnormality. with

When working in the display state, the action presses the switch, and the circuit enters an alarm state;

When the detection input resistance meets the requirements, the red light is flashing;

When the detection input resistance does not meet the requirements, the circuit alarms, the buzzer sounds, the red light illuminates, and the alarm relay output changes from normally closed to normally open. At this point, after returning the input resistance to the required value, press the reset switch again, the system stops the alarm and returns to the normal state.

The technical solution of the alarm device for realizing the above invention is: the alarm device comprises a casing, a panel, a cover, a function button and a circuit board, wherein the circuit board is provided with a detection alarm test circuit, and a function button connection detection alarm test circuit, The detection and alarm test circuit comprises a power supply, a rectification and voltage stabilization circuit, a main control chip, a magnetron, a power amplifier circuit, a speaker, an alarm LED circuit, and an LED circuit, wherein the power supply is connected to the main control chip through the rectification and voltage stabilization circuit, and the main control chip further The magnetron is respectively connected, the alarm LED circuit is connected, the LED circuit is connected, and the speaker is connected via the power amplifier circuit, wherein the magnetron is controlled by the magnetic force of the corresponding magnet to realize the disconnection or the on state.

The technical solution also includes:

The detection alarm test circuit is provided with an external magnetron signal input end and an external magnetron signal output end, and the external magnetron signal input end is connected to the external magnetron signal output end by the detection alarm test circuit. The function button is provided with a bypass control state position, a set state position, an alarm state position, and an off state position.

The resistance of the magnetron is the same as the resistance of the corresponding controlled magnet.

When the function button is continuously pressed for 5 seconds, the main control chip controls the speaker sound and the emergency alarm relay output from the normally closed circuit to the normally open line through the power amplifier circuit.

The magnetron and the magnetic strip can be replaced with an infrared receiving and transmitting tube.

The detection alarm test circuit is provided with an external DC power port.

The detection alarm test circuit is provided with a built-in magnetron contact.

The detection alarm test circuit is provided with an external magnetron contact.

The detection alarm test circuit is provided with a magnetoresistive value adjustment contact.

The detection alarm test circuit is provided with an adjustment contact for opening or closing the alarm status indicator.

In the detection and alarm test circuit, one end of the magnetic signal magnetron is connected to the battery via a resistor (R2) and a rectification voltage regulator module (U1), and the other end thereof is connected to the main control chip (IC1) pin (5) via a diode (D1). And parallel setting switch

(S1) and the resistor (R2) are connected to the main control chip (IC1) pin (2), and the main control chip (IC1) pin (4) is connected to the battery via the capacitor (C1) and the rectification voltage regulator module (U1), and the main control chip ( IC1) The pin (6) is connected to the base of the triode (Q6) via the resistor (R10). The collector of the triode (Q6) is connected across the coil of the relay (K1) via the diode (D5). The relay (K1) is connected to the magnetic signal output. The main control chip (IC1) pin (8), pin (9), and foot (10) are respectively connected to the flashing switch (S3), the reset switch (S2), the power switch (S5), and the main control chip (IC1) pin (12). The capacitor (C5), the resistor (R7), the transistor (Q1) and the transformer (T1) are connected to the speaker (SP), and the main control chip (IC1) pin (13) is connected via a resistor (R9), a triode (Q3), and a resistor ( R5), triode (Q5) and resistor (R3) connected to LED (D3), main control chip

The (IC1) pin (14) is connected to the light-emitting diode (D2) via a resistor (R8), a triode (Q2), a resistor (R4), a triode (Q4), and a resistor (R6).

In the detection alarm test circuit, the main control chip (IC1) pin (4) passes through the capacitor (Cl), the rectifier voltage regulator module (Ul) and rectifier voltage regulator module (U2), diode (D4) connected to external power supply. The invention has the beneficial effects: · can connect multiple sensors in series or in series; can externally connect any resistance value circuit or normally closed circuit; · built-in replaceable lithium type battery or external power supply; · can be used as bypass and emergency Alarm 掣 output; · Connectable alarm system; · Full roof integration; · Concealed reset button for improved safety. Easy to install and fully functional. DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic exploded view of the overall structure of the present invention.

Figure 2 is a schematic view of the circuit board of Figure 1.

Figure 3 is a circuit schematic of Figure 2.

In the figure: 1 cover, 2 function buttons, 3 panels, 4 circuit boards, 40 LED lights, 41 buzzer, 42 reset 掣, 43 alarm status node, 44 input normally closed node, 45 5 seconds alarm node, 46 Signal output node, 47 dry battery, 48 external sensing switch node, 49 external power supply node, 5 housing. detailed description

The present invention will be further described below in conjunction with the accompanying drawings:

As shown in the figure, the alarm device can have two structural forms according to different purposes, one is a mini type, and the other is a face type. The figure describes a face type, and the face type alarm is mainly composed of Cover 1, function button (back button, rebound button) 2, panel 3, circuit board 4 and 5 housing, on the circuit board 4 is also provided with LED light 40, buzzer 41, reset 掣 42, The alarm state node 43, the input normally closed node 44, the 5 second alarm node 45, the signal output node 46, the dry battery 47, the external inductive switch node 48, and the external power supply node 49, wherein: the function button 2 is clicked as the BYPASS function. Press the second button for the SET function, press the third button for the ALARM function, press the fourth button for OFF (off); set the internal RESET (reset 掣42); alarm state node 43, control红The red light is flashing in the ALARM state; input the normally closed node 44, control the 2-bit input is normally closed NC or 2K (may also be its It value) electric ancestor normally closed circuit; 5 seconds alarm node 45, 2 emergency signal output, often press 5 seconds to output emergency alarm signal NC-NO; external power supply node 49 can be connected to permanent power supply 12V DC input; external sensor switch Node 48, external magnetron sensing switch normally closed NC or 2K resistor loop; signal output 46 is used for external magnetron sensing switch.

Circuit working principle:

This circuit is a detection and alarm test circuit. The main purpose is to check whether the resistance of the input resistance is normal (default is 2K resistance). Change the detection input to 0 ohm or 2000 ohm through the built-in switch. The power supply uses 3V battery, and the circuit board has stability. Voltage output, the circuit continuously samples the input part, the microprocessor continuously monitors whether it meets the requirements. When the input part deviates from the standard value by more than 20%, the system alarms or displays. The alarm or display is changed by pressing the switch. When the power is turned off, the system is in the power saving state, the current is less than 1UA. When the action is pressed, the system is activated, and the system enters the display state. The system starts scanning sampling. When the detection input resistance meets the requirements. , the green light is on, the prompt is normal. When it does not meet the requirements, the green light goes out, indicating an abnormality.

When the display state is working, the action pushes the switch, the system enters the alarm state. When the detection input resistance meets the requirements, the red light is flashing (can be controlled by the short-circuit switch), when the detection input resistance does not meet the requirements, the system alarms, the bee The sounder sounds and the red light is on. At this time, the input resistance must be restored to the required value, and then the reset switch is pressed, the system stops the alarm and returns to the normal state.

In the alarm state, the action is pressed and the system is turned off.

Features:

掣面 OFF—— > BYPASS—— > SET—— > ALARM.

Mini OFF - > SET - > ALARM.

1. You can select the line that senses 2K or other resistance values;

2. You can press the SET bit to preset or check whether the normally closed / 2K normally closed line is ready before setting the two alarms to turn on the alarm to the arming ALARM state;

3. At the same time, the built-in magnetron or external sensor can be used on an alarm;

4. The face type alarm has two sets of alarm switch approval output; ) the output when the external sensor is connected to the alarm;

Emergency alarm output;

The emergency alarm output will be NC (normally closed) --> NO (normally open) when the button is pressed for 5 seconds. When the alarm is set to BYPASS mode, the 1st group output will be Keep the NC normally closed; both alarms need to be reset to stop the alarm;

The face type alarm can be powered by an external power supply.

Claims

Rights request

An alarm method, comprising detecting a resistance value of an input resistor, wherein the method comprises: setting a detection alarm test circuit;

2. The alarm method according to claim 1, wherein the method further comprises:

The action pushes the switch, the circuit is activated, enters the display state, and the circuit starts to scan the sample;

When the detection input resistance does not meet the requirements, the green light is off, indicating an abnormality.

3. The alarm method according to claim 1, wherein the method further comprises: when operating in the display state, actuating the switch, and the circuit enters an alarm state;

When the detection input resistance does not meet the requirements, the circuit alarms, the buzzer sounds, and the red light is on. At this time, after the input resistance is restored to the required value, and then the reset switch is pressed, the system stops the alarm and returns to the normal state.

4. The alarm device for implementing the alarm method of claim 1, comprising a casing, a panel, a cover, a function button and a circuit board, wherein the circuit board is provided with a detection alarm test circuit, and a function button connection detection alarm test circuit, wherein the feature is The detection alarm test circuit comprises a power supply, a rectification voltage regulator circuit, a main control chip, a magnetron, a power amplifier circuit, a speaker, an alarm LED circuit, and an LED circuit, wherein the power supply is connected to the main control chip through the rectification voltage regulator circuit, and the main control chip The magnetron is also respectively connected, the alarm LED circuit is connected, the LED circuit is connected, and the speaker is connected via the power amplifier circuit, wherein the magnetron is controlled by the magnetic force of the corresponding magnet to realize the disconnection or the on state.

5. The alarm device according to claim 4, wherein the detection alarm test circuit is provided with an external magnetron signal input end and an external magnetron signal output end, and the external magnetron signal input end is detected and alarmed. The test circuit is connected to an external magnetron signal output terminal.

6. The alarm device of claim 4, wherein said function button is provided with a bypass state position, a set state position, an open state position, and an alarm state position.

7. An alarm according to claim 4 wherein the resistance of said magnetron is the same as the resistance of the corresponding controlled magnet.

8. The alarm device according to claim 4, wherein when the function button is continuously pressed for 5 seconds, the main control chip controls the sound recorder to sound through the power amplifier circuit and turns the alarm relay output from normally closed to normally open. .

9. An alarm device according to claim 4, wherein said magnetron and magnetic strip are replaceable with infrared radiation transmitting and receiving tubes.

10. An alarm according to claim 4 wherein said detection alarm test circuit is provided with an external DC power supply port.

11. An alarm according to claim 4 wherein said detection alarm test circuit is provided with a built-in magnetron junction.

12. An alarm according to claim 4 wherein said detection alarm test circuit is provided with an external magnetron junction.

The alarm device according to claim 4, wherein said detection alarm test circuit is provided with a magnetoresistive value adjustment contact.

14. The alarm device according to claim 4, wherein in the detecting and detecting circuit, one end of the magnetic signal magnetron is connected to the battery via a resistor (R2) and a rectifying and regulating module (U1), and the other end thereof is respectively The diode (D1) is connected to the main control chip IC1 pin (5) and the parallel setting switch (S1) and the resistor (R2) are connected to the main control chip IC1 pin (2), and the main control chip IC1 pin (4) is passed through the capacitor (C1). And the rectifier voltage regulator module (U1) is connected to the battery, the main control chip IC1 pin (6) Connected to the base of the triode (Q6) via a resistor (RIO), the collector of the triode (Q6) is connected across the coil of the relay (K1) via a diode (D5), and the output of the relay (K1) is connected to the magnetic signal. Chip IC1 pin (8), pin (9), and foot (10) are respectively connected to flashing switch (S3), reset switch (S2), power switch (S5), main control chip IC1 pin (12) via capacitor (C5), Resistor (R7), Transistor (Q1) and Transformer (T1) are connected to the speaker (SP). The main control IC1 pin (13) is connected to the resistor (R9), transistor (Q3), resistor (i'5), and triode (Q5). And the resistor (R3) is connected to the light-emitting diode (D3), and the main control chip IC1 pin (14) is connected to the light-emitting diode via the resistor 8), the triode (Q2), the resistor (R4), the triode (Q4) and the resistor (R6) ( D2). ^

The alarm device according to claim 4 or 14, wherein in the detection and alarm test circuit, the main control chip IC1 pin (4) passes through the capacitor (Cl), the rectification voltage regulator module (U1), and the rectifier is stabilized. The voltage module (U2) and diode (D4) are connected to an external power supply.