CN2035119U - Multi-function theft-against microwave telecontrolled warner - Google Patents

Abstract

The utility model discloses a multifunctional micro-wave remote alarm device, which concentrates the micro-wave and a remotely control into integration and forms a controlled site into a high frequency electromagnetic field of a three dimensional space. The alarm device is completed by a probe, a controller, a built-in alarm, a magnet controlled manual switch, a transmitter, a receiver, an out-machine alarm whistle, and a power supply eight parts, wherein, electromagnetic of the probe is distributed according to spherical-shaped solid space without a dead angle. Alarm can be sounded while entering from whatever direction.

Description

Multi-function theft-against microwave telecontrolled warner

The utility model is a kind of multifunction microwave remote annunciator that is used for places such as bank vault, shop and family.

At present, common induction type, break line type, photo-electric alarm all have certain limitation in the use, and the disguise that has is poor, destructible, and the sensitivity that has is too high, and directivity is extremely strong, is difficult for adjusting; What have costs an arm and a leg, and is difficult for promoting.

The purpose of this utility model is to avoid above-described weak point in the prior art and a kind of multifunction microwave distant control anti-theft alarming device of providing.

The utility model reaches by following approach:

This alarm integrates the novel alarm of microwave remote control, utilize modern microwave technology, with the controlled on-the-spot electromagnetic field of high frequency that forms solid space, when the robber is movable in magnetic field, the signal of being gathered by probe send controller to compare back control warning, or utilize manually control or magnetic-type to control transmitter and the outer siren work of machine, and add the cooperation of receiver, can enlarge alarm range and effect.

This is reported to the police and is made up of warning in probe, controller, the machine, magnetic control manual switch, transmitter, receiver, the outer siren of machine and power supply 8 parts.

Fig. 1 is the utility model electrical schematic diagram (removing receiver principle figure)

Fig. 2 is the utility model receiver electrical schematic diagram

The utility model will be illustrated in conjunction with electrical schematic diagram:

One, probe: probe is by triode BG ₁, BG ₂, inductance L ₁, capacitor C ₁, C ₂C ₂₆, potentiometer W ₁, W ₂, resistance R ₁To R ₆And antenna is formed triode BG ₁In capacitor C ₂₆The effect of positive feedback produces self-sustained oscillation down, and oscillation frequency can be passed through potentiometer W ₂And capacitor C ₂₆Regulate, the electromagnetic wave that oscillator produces is being produced a spherical microwave field by sky alignment space radiation in the scope of guarding against, and antenna adopts highly sensitive whiplike enameled wire.Very important person has light activity in microwave field, because the human body reflex will change free-running frequency and amplitude, this variable signal is through triode BG ₂Amplifying the back differentiates for controller.Potentiometer W ₁Be to be used for regulating probe sensitivity to external world.

Two, controller: controller is by resistance R ₇To R ₁₀, capacitor C ₃To C ₆, triode BG ₃, diode D ₁, D ₂, potentiometer W ₃, W ₄, integrated circuit (IC) ₁, IC ₂Relay J ₁Form usual integrated circuit (IC) ₁, IC ₂The voltage comparator no-voltage output of forming, triode BG ₃End relay J ₁Be failure to actuate, after probe is sent variable signal here or probe and controller line bump and have no progeny integrated circuit (IC) ₁Or IC ₂The output high level, triode BG ₃Saturation conduction, relay J ₁The power supply of warning circuit in the action, connection machine.Resistance R wherein ₈R ₉Potentiometer W ₃And resistance R ₇, potentiometer W ₄Respectively as the bound of adjusting alarm range, diode D ₁D ₂As two integrated circuit (IC) ₁, IC ₂The isolation of output voltage, capacitor C ₅As the warning time-delay after the detection signal disappearance.

Three, warning circuit in the machine: warning circuit is by integrated circuit (IC) in the machine ₃With loudspeaker RL ₁Form IC ₃Adopt KD9561, as long as this circuit is the relay J in the controller ₁After the action, promptly after the energized, loudspeaker RL ₁Send chimes of doom.

Four, magnetic control manual switch: the magnetic control circuit is by tongue tube JK triode DG ₄, BG ₅Resistance R ₁₁, R ₁₂, capacitor C ₇, diode D ₇, relay J ₂Form Deng original paper, when door and window was closed, magnet was near JK, and JK is short-circuit condition, triode BG ₄, BG ₅End relay J ₂Be failure to actuate, after door and window is opened, JK separates with magnet, triode BG ₄BG ₅Conducting, relay J ₂The power supply that its contact of action back is connected transmitter and the outer siren circuit of machine makes its work.When meeting emergency condition, press its effect of hand switch K simultaneously and be equivalent to relay tip J ₂Action, capacitor C ₇In circuit, play time-lag action.

Five, transmitter: transmitter is by capacitor C ₈To C ₁₆, C ₂₇, C ₂₈, resistance R ₁₃To R ₁₆, inductance L ₂To L ₄, high frequency flow vibration coil RFC ₁, RFC ₂, triode BG ₆BG ₇, antenna forms.Triode BG wherein ₆, capacitor C ₁₀The oscillatory circuit of forming, its oscillation frequency depends on capacitor C ₁₀Inductance L ₂Size (about 73MHZ), the alert audio that warning circuit produces in machine is delivered to triode BG ₆During base stage, can modulate base stage, and realize frequency modulation, FM signal is through triode BG ₇Amplify after antenna is outwards launched.

Six, the outer siren circuit of machine: this circuit is by integrated circuit (IC) ₄, IC ₅Capacitor C ₁₈To C ₂₃Resistance R ₁₇To R ₂₈, diode D ₉, D ₁₀, loudspeaker RL ₂Form IC ₄Adopt KD9561, after magnetic switch, the hand switch action, connect this circuit power, integrated circuit (IC) ₄The audio alarming signal that produces is through integrated circuit (IC) ₅After (power amplification circuit) carries out power amplification, make loudspeaker RL ₂Produce loud and clear chimes of doom.Many places setting as required during installation.

Seven, power supply: by transformer B, diode D ₃To D ₆, D ₈, D ₁₁, capacitor C ₁₇Battery E forms, and its principle is identical with general power supply, just takes the mode of direct current floating charge power supply here, and (alternating current is promptly arranged, and power supply carries out floating charge to battery) when exchanging power failure, directly powered diode D by battery ₈Effect be to feedback when preventing powered battery.

Eight, receiver: be exactly a songs of the oriole HP205 type FM receiver, leave out the amplitude modulation part (1) in the radio principle, just increased the capacitor C in its receiving loop and local oscillator loop _A, C _BCapacity, value is respectively 40P, makes the frequency (about 73MHZ) that it can receiver/transmitter.

Major advantage of the present utility model: 1. this alarm is to adopt the probe electromagnetic field by the distribution of ball-type solid space, no dead angle, from which orientation enters all and can report to the police, and increased remote-transmitter function and high-power alarm whistle circuit, makes the chimes of doom impact bigger. 2. the power acquisition of this alarm floating charge power supply mode is not subjected to power failure to wait various factors to affect. 3. the receiver volume of this alarm is small and exquisite, can carry, and makes warning not be subjected to regional limits. 4. this device have easy to use, safe and reliable, multiple functional, the characteristics such as cost is low, and the scope of application is wide.

Claims (2)

1, a kind of multifunction microwave distant control anti-theft alarming device, it comprises warning in probe, controller, the machine, magnetic control manual switch, transmitter, receiver, the outer siren of machine and power supply, it is characterized in that

1. pop one's head in by triode BG ₁, BG ₂, inductance L ₁, capacitor C ₁, C ₂, C ₂₆, potentiometer W ₁, W ₂, resistance R ₁To R ₆Form, pass through BG ₂Be connected with controller, wherein probe antenna is made by whiplike enameled wire.

2. controller is by resistance R ₇To R ₁₀, capacitor C ₃To C ₆, triode BG ₃, diode D ₁D ₂, potentiometer W ₃, W ₄, integrated circuit (IC) ₁, IC ₂, relay J ₁Form, wherein D ₁, D ₂As two integrated circuit (IC) ₁, IC ₂The isolation of output voltage.

3. the outer siren of machine is by the action of magnetic switch and hand switch K, connects this circuit power.

4. receiver converts its C by a songs of the oriole HP205 type radio _A, C _BValue be respectively 40P.

2, microwave burglar alarm according to claim 1 is characterized in that siren can be installed one or more as required outside the machine.

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