CN2164712Y - Enciphered radio remotecontrol theftproof and antirobbing safety trunk - Google Patents

Abstract

The utility model introduces an enciphered radio remote-control anti-theft and anti-robbing safety trunk which is composed of a transmitter, a receiver and a trunk body. The receiver adopts a mode locking circuit which is composed of an enciphered decoding circuit and an RS trigger. A touching induction circuit is composed of a switching pipe and a retriggering single-stable state circuit. Alarming and the power supply of a high-voltage generating circuit are reliably controlled by a field effect pipe. The control mode of the safety trunk is simple and convenient, and one transmitter controls one receiver so that the safety trunk is safely picked up and not is in error action.

Description

Enciphered radio remotecontrol theftproof and antirobbing safety trunk

The utility model relates to a kind of safe suitcase with wireless encryption remote control, anti-theft and anti-robbing.

Existing wireless remote control anti-theft and anti-robbing suitcase is mostly not encrypted, and any one transmitter can other suitcase of remote control, therefore, as long as transmitter of criminal's body band, can be just inoperative by the safe suitcase of remote control, give criminal with opportunity; Though what have has an encryption, complex structure, operation inconvenience or function are simple, and a kind of working method is only arranged; Though what have has an anti-theft and anti-robbing function, change-over switch is located on the casing, and operation is neither maintained secrecy, and is inconvenient again.

Existing leather trunk touches circuit, because of the resistance that adopt shift gears more, thereby poor reliability, and the anti-snatch suitcase of the remote control that has, need owner after suitcase is robbed, to press remote control switch immediately and could produce warning, electric shock, if owner can not immediate response, remote control is just no longer worked the safe suitcase that this case and bag neither be real after criminal takes case to flee from certain distance.

The purpose of this utility model is in order to overcome these shortcomings of present anti-theft and anti-robbing safety suitcase, adopt and encrypt wireless remote control technology, and give in conjunction with novel touch sensitive method, a kind of have warning and the anti-snatch suitcase that separates of the safe antitheft of high-voltage electric shock function are provided.

The utility model is realized by following structure: it is by emitter, receiver and casing are formed, it is characterized in that emitter is made up of encoder and higher-order of oscillation radiating circuit, receiver is by Armstrong circuit, amplification and rectification circuit, decoder, the mode lock-in circuit, touch induction circuit, delay circuit, warning circuit and high pressure generator are formed, receiver is installed on the casing, emitter is on one's body owner, transmitter and receiver all has encryption, decrypt circuit, the only corresponding password of each suitcase, make an emitter only work, avoid suitcase situation stolen or that suitcase can not be reported to the police and shock by electricity when being robbed to take place and the accident of other people suitcase of remote control that misoperation causes a suitcase.

The utility model receiver has two kinds of working methods, and the one, range range mode, after promptly only needing to draw back certain distance between casing and the emitter, suitcase sends lasting, sharp-pointed police whistle sound immediately; The 2nd, touch manner, promptly anyone is as long as a line of induction that touches on the handle produces chimes of doom immediately, and the conversion of these two kinds of working methods is carried out straighforward operation by the change-over switch on the emitter.After chimes of doom produces, will produce high voltage pulse on the chest handle in the several seconds kind, and make criminal have to abandon case and escape.As long as casing is got back to emitter and nearby limited apart from after interior, chimes of doom and high voltage pulse disappear immediately.

Introduce the utility model in detail below in conjunction with accompanying drawing:

Fig. 1 emitter front view

Fig. 2 emitter left view

Fig. 3 body structure figure

Fig. 4 circuit block diagram

Fig. 5 transmitter circuitry figure

Fig. 6 receiver circuit figure

Emitter is made of shell 1, suspension strap 2, function conversion sky and 3, power switch 4 and belt fastener 5 and internal emission circuit, and casing is made of case 6, electric shock handle 7, digital cipher lock 8, receiver 9 and power switch 10.For the purpose of attractive in appearance, high-voltage pulse contact conductor and thread touch sensor all are embedded in electric shock handle inboard.

Transmitter circuitry is made of encoder 1 and high frequency transmission circuit 2, and encoder output is delivered to high frequency transmission circuit, again by the outside launching code modulation signal of antenna.

Receiver by Armstrong circuit 3, amplify that shaping 4, decoder 5, mode lock 6, touch induction circuit 7, delay circuit 8, warning circuit 9 and high pressure generator 10 constitute.From the modulation signals of emitter after receiving, amplifying shaping by decoder decode, and send into the mode lock-in circuit.The touch sensible signal is also sent into the mode lock-in circuit, and by mode lock-in circuit control delay circuit and warning circuit, warning circuit output connects loudspeaker, can send chimes of doom, and delay circuit output signal control high pressure generator sends high voltage pulse.

Transmitter circuitry Fig. 5.Encoder is made up of CMOS IC 1, R1, C1 and encoding setting K switch 2, and K1 is a power switch.Coded digital signal is coupled to the Q1 base stage by the 17 pin output of IC1 through R2, R3, C2, and Q1, C4, C5, C6, C7, L1 and peripheral cell constitute capacitance connecting three point type oscillator, are coupled to antenna W1 through C8, outwards the launching code modulation signal.C7 is connected between power Vcc and the Q1 emitter stage, but the broadening emission band effectively overcomes the influence of human body sensing to tranmitting frequency.

Fig. 6 is a receiver circuit.C9 with antenna induction to modulation signals be coupled to the colelctor electrode of Q2.Peripheral circuits such as Q2, C10, C11, L2 constitute Armstrong circuit, and the low frequency signal after its detection is coupled to the base stage of Q3 through C15, Q3, Q4, Q5 and peripheral circuit constitute amplify, shaping circuit.Pulse code signal after the shaping is directly coupled to decoder by the colelctor electrode of Q5 and decodes.Decoder by coding and decoding chip IC 2, IC3 and R17, R18, C22, C23 and decoding switch SW 1 is set and SW2 constitutes.When emitter sent the touch manner coding, 17 pin of IC2 were output as low, otherwise were high; When the transmitting range mode was encoded, the 17 pin level of IC3 were low, otherwise, then high.The mode lock-in circuit is made of four NAND gates of CMOS IC 4. Door 1 and 2 constitutes the rest-set flip-flop mode of carrying out and locks.When range range mode, the 17 pin output high level of IC2,17 pin of IC3 are output as low level, door 1 output is locked as low, this low level is delivered to clear terminal 3 pin that can heavily trigger monostable circuit IC5, force the 7 pin output of IC5 to be locked as height, and door 2 lockings this moment are output as height, and the 17 pin output of this signal and IC3 is behind NAND, and door 3 is output as height, again with the high level NAND of 7 pin of IC5 after, door 4 is output as low, makes that the grid of Q8 is low, and Q8 ends, warning circuit and high-tension circuit end because of electric power loop is obstructed, thereby can not produce warning and high pressure.In case when this moment, suitcase left the emitter certain distance, receiver can not receive transmitter signal, 17 pin of IC3 become high level, and it is low that door 3 is output as, and door 4 is output as height, and the Q8 conducting is reported to the police and high pressure generator is subjected to electricity, produce and report to the police and high-voltage pulse.When emission touched code signal, 17 pin of IC2 were output as low, and 17 pin of IC3 are output as height, and door 1 locking is output as height, and door 2 lockings are output as low, make door 3 be output as height.Q6, Q7 and IC5 constitute touch induction circuit.Line of induction M on the safety box handle links to each other with the base stage of switching tube Q6.Q6, Q7 end at ordinary times, the 5 pin input high levels of IC5, and 3 pin that both made IC5 are for high, and output 7 pin of IC5 also are high, and door 4 outputs are low, and Q8 ends.In case human body touches the line of induction M on the handle, the stray induction signal on the human body will make Q6, Q7 conducting, and 5 pin of IC5 are input as low, the 7 pin output of IC5 also is low, and door 4 is output as height, the Q8 conducting, send and report to the police and high pressure, after hand loosens, report to the police and the high pressure disappearance.Warning circuit is made of IC6, IC7 and peripheral cell.The signal that IC6 produces, is exported and is driven loudspeaker Y D by 5 pin of IC7 and send sharp-pointed chimes of doom after the power amplification of IC7 through the 3 pin inputs that C27 is coupled to IC7.Delay circuit is made of R24, R29 and IC8, and IC8 is six ungated integrated circuits, and delay time is the several seconds, and time delayed signal is delivered to high pressure generator.High-voltage generator circuit is made of IC9, Q9, step-up transformer B, commutation diode D3 and other peripheral circuit.IC9 is connected into controlled self-maintained circuit, 4 pin input termination time-delay output.The low-frequency oscillation pulse that IC9 produces export by 3 pin, delivers to the base stage of switching tube Q9 through R27, and B boosts through transformer, produces high voltage pulse through D3 again, delivers on the handle that shocks by electricity, and finishes electric shock function.

Claims (1)

1, encrypt wireless remote control anti-theft and anti-robbing safety box, by emitter, receiver and casing constitute, emitter is made of encoder and high frequency transmission circuit, receiver is by Armstrong circuit, amplify shaping, decoding circuit, mode locks, touch induction circuit, delay circuit, warning circuit and high pressure generator constitute, it is characterized in that decoding circuit is made of two coding and decoding chips, the mode lock-in circuit is a rest-set flip-flop, the output of two coding and decoding chips is respectively as the input signal of rest-set flip-flop, touch induction circuit is by can heavily triggering monostable circuit and switch triode constitutes, the line of induction links to each other with the switching tube base stage, the on/off of warning and high-voltage generator circuit is controlled by a FET, the anti-theft and anti-robbing conversion of operation state is by the change-over switch remote control on the emitter, has been connected the capacitor of a widening frequency band between the emitter-base bandgap grading of the generator triode of emitter and the power Vcc.

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