CN203376808U

CN203376808U - Burglar alarm of vending machine

Info

Publication number: CN203376808U
Application number: CN201320456784.XU
Authority: CN
Inventors: 白树春
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-30
Filing date: 2013-07-30
Publication date: 2014-01-01
Anticipated expiration: 2023-07-30

Abstract

The utility model discloses a burglar alarm of a vending machine and belongs to the field of alarms. The burglar alarm of the vending machine is composed of a voltage regulator circuit, a time-delay circuit, a probe, a dialing circuit and a cell phone. The voltage regulator circuit, the time-delay circuit, the probe, the dialing circuit and the cell phone are connected through wires. All the elements are installed in the vending machine. The probe is composed of a mercury switch, a micro-switch, a resistor, a silicon controlled rectifier and a relay. One end of the mercury switch, one end of the micro-switch and an anode of the silicon controlled rectifier are connected through wires, the other end of the mercury switch, the other end of the micro-switch and one end of the resistor are connected through wires, the other end of the resistor is connected with a control electrode of the silicon controlled rectifier through a wire, and a cathode of the silicon controlled rectifier is connected with an electricity providing end of the relay through a wire. According to the burglar alarm of the vending machine, when a thief wants to damage the vending machine by means of prying or hitting and steal goods or money in the vending machine, under the action of the relative circuits, the cell phone can be made to continuously dial two telephone numbers preset by a user and notify the user of the alarming condition. Due to the fact that the anti-theft effect is good, the application prospect is good.

Description

The automatic vending machine burglar alarm

Technical field

The utility model relates to warning device, especially a kind of common automatic vending machine without warning function that allows, when having the thief to steal the inner goods of automatic vending machine or wealth, can be under the effect of interlock circuit, allow the uninterrupted circulation of mobile phone dial out two telephone numbers that the user sets in advance, notify the automatic vending machine burglar alarm of user's alert.

Background technology

At present, known common automatic vending machine, do not have when having the thief to steal the inner goods of automatic vending machine or wealth the function of automatic dialing alarm.

The utility model content

The utility model purpose is to overcome existing common automatic vending machine, do not have when having the thief to steal the inner goods of automatic vending machine or wealth, the function of automatic dialing alarm, a kind of common automatic vending machine without warning function that allows is provided, when having the thief to steal the inner goods of automatic vending machine or wealth, can under the effect of interlock circuit, allow the uninterrupted circulation of mobile phone dial out two telephone numbers that the user sets in advance, notify the automatic vending machine burglar alarm of user's alert.

The purpose of this utility model is achieved in that

The automatic vending machine burglar alarm, it is characterized in that by mu balanced circuit, delay circuit, probe, dial-up circuit and mobile phone form, by wire, connect therebetween, all elements are arranged in automatic vending machine, probe is by mercury cut-off, microswitch, resistance, controllable silicon and relay form, mercury cut-off one end, microswitch one end, the controllable silicon anode connects by wire, the mercury cut-off other end, the microswitch other end is connected by wire with resistance one end, the resistance other end is connected by wire with the SCR control utmost point, the controllable silicon negative electrode is connected by wire with relay one feeder ear.

Described mu balanced circuit by power transformer, silicon rectifier diode, electrochemical capacitor, three ends fixedly output voltage stabilizer, ceramic disc capacitor and power switch form, by wire, connect therebetween.

Described delay circuit is comprised of resistance, transwitch diode, electrochemical capacitor, time-base integrated circuit, NPN triode and relay, by wire, connects therebetween.

When described probe is arranged in automatic vending machine, after the microswitch of probe is positioned at the automatic vending machine dodge gate, when the automatic vending machine dodge gate is closed, just the action reed of microswitch is pushed down, the microswitch inner contact is disconnected.

Described dial-up circuit is comprised of electrochemical capacitor, dialing integrated circuit, crystal oscillator, resistance, PNP triode and relay, by wire, connects therebetween.

Described mobile phone is the regular handset with signal-key dialing function.

The utility model is having the thief, and wish, by forcing open the door or knocking and destroy while stealing the inner goods of automatic vending machine or wealth, can allow the uninterrupted circulation of mobile phone dial out two telephone numbers that the user sets in advance under the effect of interlock circuit, notifies the user alert.Due to the anti-theft effect that can obtain, so the application prospect the utlity model has.

The accompanying drawing explanation

Fig. 1 is structured flowchart of the present utility model; Fig. 2 is circuit diagram of the present utility model.

Embodiment

Shown in Fig. 1, the automatic vending machine burglar alarm, by mu balanced circuit, delay circuit, probe, dial-up circuit and mobile phone form, by wire, connect therebetween, all elements are arranged in automatic vending machine, probe is by mercury cut-off, microswitch, resistance, controllable silicon and relay form, mercury cut-off one end, microswitch one end, the controllable silicon anode connects by wire, the mercury cut-off other end, the microswitch other end is connected by wire with resistance one end, the resistance other end is connected by wire with the SCR control utmost point, the controllable silicon negative electrode is connected by wire with relay one feeder ear.Mu balanced circuit by power transformer, silicon rectifier diode, electrochemical capacitor, three ends fixedly output voltage stabilizer, ceramic disc capacitor and power switch form, by wire, connect therebetween.Delay circuit is comprised of resistance, transwitch diode, electrochemical capacitor, time-base integrated circuit, NPN triode and relay, by wire, connects therebetween.When probe is arranged in automatic vending machine, after the microswitch of probe is positioned at the automatic vending machine dodge gate, when the automatic vending machine dodge gate is closed, just the action reed of microswitch is pushed down, the microswitch inner contact is disconnected.Dial-up circuit is comprised of electrochemical capacitor, dialing integrated circuit, crystal oscillator, resistance, PNP triode and relay, by wire, connects therebetween.Mobile phone is the regular handset with signal-key dialing function.

Shown in Fig. 2, by power transformer T, silicon rectifier diode VD1, VD2, VD3, VD4, VD6, VD7, electrochemical capacitor C1, three ends are output voltage stabilizer A1 fixedly, and ceramic disc capacitor C2, C3 and power switch S form mu balanced circuit; By resistance R 1, R2, transwitch diode VD5, electrochemical capacitor C4, time-base integrated circuit A2, NPN triode VT1 and relay K 1 form delay circuit; By mercury cut-off SQ, microswitch SK, resistance R 3, controllable silicon VS and relay K 2 form probe; By electrochemical capacitor C5, dialing integrated circuit A4, crystal oscillator BX, resistance R 4, PNP triode VT2, VT3, VT4, VT5 and relay K 3, K4, K5, K6 form dial-up circuit; A3 is mobile phone, and the G1 on mobile phone A 3, G2 are respectively the positive and negative power supply input ends of mobile phone A 3 inside, and 1,2 on mobile phone A 3 is respectively numeral 1 key of mobile phone A 3, digital 2 keys, and the KG on mobile phone A 3 is the switch switch of mobile phone A 3.In Fig. 2, the 220V AC power is through power transformer T step-down, silicon rectifier diode VD1, VD2, VD3, VD4 rectification, electrochemical capacitor C1 filtering is converted to the 12V direct supply, the 12V direct supply enters three ends fixedly after output voltage stabilizer A1 and peripheral cell ceramic disc capacitor C2, C3, through three ends fixedly output voltage stabilizer A1 effect be converted to stable 5V direct supply, the effect of ceramic disc capacitor C2 is to change the power supply ripple characteristic, the effect of ceramic disc capacitor C3 is the transient response of improving load.After power switch S opens, the 5V direct supply enters time-base integrated circuit A2 and peripheral cell resistance R 1 thereof, R2, transwitch diode VD5, electrochemical capacitor C4, NPN triode VT1 and relay K 1; So the 5V direct supply is through resistance R 2 to electrochemical capacitor C4 charging, while just starting, the 2nd pin of time-base integrated circuit A2 is electronegative potential, and time-base integrated circuit A2 set makes its 3rd pin output noble potential; The noble potential of output enters relay K 1 through NPN triode VT1 power amplification, so, relay K 1 obtains its normally closed contact of electric adhesive and disconnects, after 22 seconds, the upper terminal potential (i.e. the 6th pin current potential) of electrochemical capacitor C4 rises to supply voltage three/bis-o'clock, and time-base integrated circuit A2 is reset, its 3rd pin output electronegative potential, so relay K 1 dead electricity disconnects its normally closed contact closure.After relay K 1 dead electricity disconnects its normally closed contact closure, power input, through the subsequent conditioning circuit of relay K 1 normally closed contact input, obtains electric in holding state; By time-base integrated circuit A2 and peripheral cell resistance R 1 thereof, R2, transwitch diode VD5, electrochemical capacitor C4, NPN triode VT1 pilot relay K1 normally closed contact disconnects or is closed, purpose is after user's start, can allow subsequent conditioning circuit after 22 seconds just in electric holding state, in order to avoid the false triggering subsequent conditioning circuit plays the effect of time delay.In use, when thief's wish being arranged when knocking goods that destroy to steal automatic vending machine inside or wealth, effect due to vibrations, the inner contact of mercury cut-off SQ can be connected because of the moment of rocking of the inner mercury of mercury cut-off SQ, so, the 5V direct supply can trigger controllable silicon VS through resistance R 3, and then, relay K 2 obtains its normally opened contact closure of electric adhesive; When the goods that has thief's wish to steal automatic vending machine inside by forcing open the door or wealth, after door is pried open, its action reed of microswitch SK be arranged on after the automatic vending machine dodge gate can leave dodge gate, so, microswitch SK inner contact is connected, then, the 5V direct supply obtains its normally opened contact closure of electric adhesive through resistance R 3 triggering controllable silicon VS, relay K 2; After relay K 2 obtains its normally opened contact closure of electric adhesive, power input, through the subsequent conditioning circuit of relay K 2 normally opened contacts inputs, obtains electric in holding state.At the fixing output voltage stabilizer A1 output 5V direct supply of three ends, after power switch S opens, the 5V direct supply can enter mobile phone A 3 through silicon rectifier diode VD6, VD7; Because the operating voltage of mobile phone A 3 is 3.7V, two silicon rectifier diode VD6, every of VD7 have the voltage drop of 0.65V left and right, so, through silicon rectifier diode VD6, VD7 hypotensive effect, the supply voltage that enters mobile phone A 3 is exactly the required 3.7V of mobile phone A 3 work; When mobile phone A 3 electric after, the user can, by pressing the switch switch KG on mobile phone A 3, make mobile phone A 3 starts in holding state.The thief is being arranged by forcing open the door or knocking to destroy and steal the inner goods of automatic vending machine or wealth, after relay K 2 obtains after its normally opened contact closure of electric adhesive, dialing integrated circuit A4 can obtain electric work under its peripheral cell electrochemical capacitor C5, crystal oscillator BX, resistance R 4 effects, after dialing integrated circuit A4 work, from 5 seconds low levels of its 19th pin output, low level after output is through PNP triode VT5 power amplification, drive relay K 6 to obtain its normally opened contact closure of electric adhesive, due to the numerical key 2 on mobile phone A 3, two power contacts under its key are to be connected with two normally opened contacts of relay K 6, so relay K 6 obtains in 5 seconds of its normally opened contact closure of electric adhesive, numerical key 2 also can be communicated with, be equivalent to the people and press 25 seconds of numerical key with hand, signal-key dialing function due to mobile phone A 3, the telephone number be stored on numerical key 2 will be dialed away, after 19 pin of dialing integrated circuit A4 are exported 5 second low levels, after 60 seconds, 1 second kind low level of its 18 pin output, low level after output is through PNP triode VT4 power amplification, drive relay K 5 to obtain its normally opened contact closure of electric adhesive, due to the switch switch KG on mobile phone A 3, two power contacts under its key are to be connected with two normally opened contacts of relay K 5, so obtain in 1 seconds of its normally opened contact closure of electric adhesive in relay K 5, switch switch KG also can be communicated with, be equivalent to the people with hand by 1 second of switch switch KG, so dialing integrated circuit A4 stops dialing, after 18 pin of dialing integrated circuit A4 are exported 1 second low level, after 6 seconds, 5 seconds kind low levels of its 17 pin output, low level after output is through PNP triode VT3 power amplification, drive relay K 4 to obtain its normally opened contact closure of electric adhesive, due to the numerical key 1 on mobile phone A 3, two power contacts under its key are to be connected with two normally opened contacts of relay K 4, so obtain in 5 seconds of its normally opened contact closure of electric adhesive in relay K 4, numerical key 1 also can be communicated with, be equivalent to the people and press 15 seconds of numerical key with hand, signal-key dialing function due to mobile phone A 3, the telephone number be stored on numerical key 1 will be dialed away, after 17 pin of dialing integrated circuit A4 are exported 5 second low levels, after 60 seconds, 1 second kind low level of its 16 pin output, low level after output is through PNP triode VT2 power amplification, drive relay K 3 to obtain its normally opened contact closure of electric adhesive, due to the switch switch KG on mobile phone A 3, two power contacts under its key are to be connected with two normally opened contacts of relay K 3, so obtain in 1 seconds of its normally opened contact closure of electric adhesive in relay K 3, switch switch KG also can be communicated with, be equivalent to the people with hand by 1 second of switch switch KG, so dialing integrated circuit A4 stops dialing, after 16 pin of dialing integrated circuit A4 are exported 1 second low level, after 6 seconds, its 19 pin can be exported again 5 seconds kind low levels, after 19 pin of dialing integrated circuit A4 are exported 5 second low levels, after 60 seconds, its 18 pin can be exported again 1 second kind low level, with this continuous circulation, the thief is being arranged by forcing open the door or knocking and destroy while stealing the inner goods of automatic vending machine or wealth, the utility model just can uninterruptedly circulate and dial two telephone numbers that are stored on mobile phone A 3, notifies the user to have the thief to steal.

In Fig. 2, power transformer is 220V/12V/3W T-shaped number; Silicon rectifier diode VD1, VD2, VD3, VD4, VD6, VD7 model are 1N4001, and transwitch diode VD5 model is 1N4148; Electrochemical capacitor C1 model is 470UF/25V, and ceramic disc capacitor C2 model is 0.33UF, and ceramic disc capacitor C3 model is 0.1UF, and electrochemical capacitor C4 model is 20UF/25V, and electrochemical capacitor C5 model is 10UF/25V; Resistance R 1 resistance is 2K, and resistance R 2 resistances are 1M, and resistance R 3, R4 resistance are 1K; Controllable silicon VS is MCR100-1 plastic package type one-way SCR; Mercury cut-off SQ is universal mercury cut-off; Microswitch SK is the normally closed contact microswitch; Relay K 1 is JRC/23F/YG4123 type 5V relay, and relay K 2, K3, K4, K5, K6 are JRC/21F/YG4100 type 5V relays; NPN triode VT1 model is that 9013, PNP triode VT2, VT3, VT4, VT5 model are 9012; The specification of crystal oscillator BX is 11.0592; Three ends fixedly output voltage stabilizer A1 model are 7805; Time-base integrated circuit A2 model is NE555; Dialing integrated circuit A4 model is ATMEL0121 AT89C2051-24PI.

Claims

1. automatic vending machine burglar alarm, it is characterized in that by mu balanced circuit, delay circuit, probe, dial-up circuit and mobile phone form, by wire, connect therebetween, all elements are arranged in automatic vending machine, probe is by mercury cut-off, microswitch, resistance, controllable silicon and relay form, mercury cut-off one end, microswitch one end, the controllable silicon anode connects by wire, the mercury cut-off other end, the microswitch other end is connected by wire with resistance one end, the resistance other end is connected by wire with the SCR control utmost point, the controllable silicon negative electrode is connected by wire with relay one feeder ear.