CN2257390Y

CN2257390Y - Theft-proof alarm for hand telephone set

Info

Publication number: CN2257390Y
Application number: CN 95218629
Authority: CN
Inventors: 段天明
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-07-24
Filing date: 1995-07-24
Publication date: 1997-07-02
Anticipated expiration: 2005-07-24

Abstract

The utility model relates to a theft-proof alarm for hand telephone sets. The theft-proof alarm comprises a transmitter, a hand telephone set battery, a receiver, etc., wherein, the transmitter is composed of a transmitter circuit and a shell, and is controlled by a power supply switch; a power supply of the hand telephone set is composed of the transmitter, the hand telephone set battery and a shell which are connected into one body; the receiver is composed of a transmitter circuit, a buzzer, a vibrating motor, a receiver shell, etc.; the transmitter and the receiver are paired to use. The utility model has the advantages of simple structure, small electric consumption, stable frequency and low rate of false alarm, and is capable of rapidly making an alarm when the hand telephone set is stolen and lost within definite distance.

Description

The hand telephone set anti-lose alarm

The utility model relates to a kind of phone anti-lose alarm, particularly a kind of hand telephone set anti-lose alarm.

Since the reform and opening-up, post and telecommunications are flourish, along with phone enters huge numbers of families, this advanced communication apparatus of cell-phone, though cost an arm and a leg, really with convenient and practical outstanding advantage, conquer the consumer rapidly, appear in a part of staff, still, the present hand telephone set that uses, owing to there is not warning device, the time have subscriber phone stolen, offending phenomenon such as lose and take place, cause economically loss and spiritual worry to the user.

The purpose of this utility model be to provide a kind of simple in structure, power consumption is little, frequency is steady, rate of false alarm is low and stolen when cell-phone at certain distance, lose the hand telephone set anti-lose alarm that just can report to the police rapidly.

The technical solution of the utility model is a kind of hand telephone set anti-lose alarm, and it comprises formations such as transmitter 1, hand-held set power supply 2, receiver 3.It is characterized in that: transmitter 1 is by being arranged on the transmitter circuitry 5 on the circuit board 4 and housing 6 is formed and by power switch 7 control, hand-held set power supply 2 is fixedly connected and is integral by transmitter 1, battery of mobile phone 8, housing 9, battery cover board 10, wherein sending out machine machine 1 is arranged on hand-held set power supply 2 inner bottom parts and connects one with battery of mobile phone 8 and use battery of mobile phone 8 to do power supply, receiver 3 constitutes by being arranged on receiver circuit 12 on the circuit board 11, hummer 13, vibrating motor 14, receiver housing 15 etc., transmitter 1 with receive 3 pairings and use.

Wherein, the clip 22 that the shell body of receiver 3 is equipped with flicker luminotron 16, hummer 17, functional switch 18, battery cover 19, electronic watch 20, electronic watch adjustment switch 21 successively and is connected with human body, and transmitter circuitry 5 is by long wave digital signal emission integrated circuit I _C1With random coded integrated circuit I _C2Reach compositions such as resistance capacitance element, receiver circuit 12 is by long wave digital signal receiving integrate circuit I _C3With decoder ic I _C4And the battery integrated circuit I that boosts _C5, relay J ₁, crystal oscillator JT ₁, triode BG ₁, diode D ₁, D ₂, flashing diode D ₃, compositions such as resistance capacitance element, transmitter random coded integrated circuit I _C2Receiver code translator integrated circuit I is formed by pierce circuit 23, time-base generator circuit 24, encoder circuit 25, power-on-reset device circuit 26 etc. in inside _C4In form the battery integrated circuit I that boosts by decoder circuit 27, data register circuit 28, o controller circuit 29 etc. _C5In form by bias generator circuit 30, error amplifier circuit 31, pierce circuit 32, bistable circuit 33, sense amplifier circuit 34, overcurrent comparator circuit 35, slope equalizer circuit 36 etc.; battery of mobile phone 8 circuit are made up of thermistor R, diode D; wherein: 1,3 two ends are power output end; 1,2 two ends are the battery charge test side, and D is that the protection diode is filled in counnter attack.

The utility model has the advantages that simple in structure, little power consumption, frequency is steady, cost is low, easily processing and manufacturing is stolen when cell-phone, loses a kind of hand telephone set anti-lose alarm that change is reported to the police rapidly in predetermined distance.

Fig. 1 is the utility model hand-held set power supply architecture synoptic diagram;

Fig. 2 is the utility model hand-held set power-supply battery covering plate structure synoptic diagram;

Fig. 3 is the another kind of battery cover board structural representation of the utility model hand-held set power supply;

Fig. 4 is the utility model transmitter architecture synoptic diagram;

Fig. 5 is the utility model receiver structure synoptic diagram;

Fig. 6 is the utility model receiver appearance structure synoptic diagram;

Fig. 7 is the utility model transmitter circuitry structural representation;

Fig. 8 is the utility model receiver circuit structural representation.

Fig. 9 is the utility model battery of mobile phone electrical block diagram;

Figure 10 is the utility model random coded I _C2Integrated circuit diagram;

Figure 11 is the utility model decoding I _C4Integrated circuit diagram;

Figure 12 is the utility model battery I that boosts _C5Integrated circuit diagram;

Figure 13 is the utility model random coded I _C2Integrated circuit diagram;

Figure 14 is the utility model decoding I _C4Integrated circuit diagram;

Below in conjunction with description of drawings embodiment of the present utility model:

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Figure 8: a kind of hand telephone set anti-lose alarm, it comprises transmitter 1, hand-held set power supply 2, receiver 3 formations such as grade, transmitter 1 is by being arranged on the transmitter circuitry 5 on the circuit board 4 and shell body 6 is formed and by power switch 7 control, hand-held set power supply 2 is by transmitter 1, battery of mobile phone 8, housing 9, battery cover board 10 is fixedly connected and is integral, wherein, transmitter 1 is arranged on hand-held set power supply 2 inner bottom parts and connects one with battery of mobile phone 8 and use battery of mobile phone 8 to do power supply, receiver 3 is by the receiver circuit 12 that is arranged on the circuit board 11, hummer 13, vibrating motor 14, receiver housing 15 compositions such as grade, transmitter 1 uses with the receiver pairing.Wherein, the clip 22 that the shell body of receiver 3 is equipped with flicker luminotron 16, hummer 17, functional switch 18, battery cover 19, electronic watch 20, electronic watch adjustment switch 21 successively and is connected with human body, and transmitter circuitry 5 is by long wave digital signal emission integrated circuit I _C1With random coded integrated circuit I _C2Reach compositions such as resistance capacitance element, receiver circuit 12 is by long wave digital signal receiving integrate circuit I _C3With decoder ic I _C4And the battery integrated circuit I that boosts _C5, relay J ₁, crystal oscillator JT ₁, triode BG ₁, diode D ₁, D ₂Flashing diode D ₃, composition such as resistance capacitance element, transmitter random coded integrated circuit I _C2Receiver decoder ic I is formed by pierce circuit 23, time-base generator circuit 24, encoder circuit 25, power-on-reset device circuit 26 etc. in inside _C4In form the battery integrated circuit I that boosts by decoder circuit 27, data register circuit 28, o controller circuit 29 etc. _C5In form by bias generator circuit 30, error amplifier circuit 31, pierce circuit 32, bistable circuit 33, sense amplifier circuit 34, overcurrent comparator circuit 35, slope equalizer circuit 36 etc.; battery of mobile phone 8 circuit are made up of thermistor R, diode D; wherein; 1,3 two ends are power output end; 1,2 two ends are the battery charge test side, and D is that the protection diode is filled in counnter attack.

Groundwork principle of the present utility model is: the random coded integrated circuit I in the transmitter circuitry _C2After each energising, output stochastic instruction sign indicating number, an order code is made of I the eight digit number sign indicating number _C2Can produce 256 kinds of order codes at random, each bar order code all is identical, and order code is by 7 outputs of data output end pin and and I _C1 Pin 3 communicates, I _C1Order code is launched the long wave digital signal integrated circuit I in the receiver circuit 12 with the long wave of 15KHZ _C3Demodulate order code by pin 3 outputs, again by I _C4Pin 6 input instruction codes, EN end control I _C3Work is to reduce power consumption, decoder ic I _C4In the order code that will receive first of data register 30 compare as order code and the comparable data that comparable data stores receiving after for the second time, judge whether it is " effective code ", if effective code, I _C4Will automatic and I _C2Timebase frequency be consistent, and only at I _C2I during signaling _C4Just work receives, and reduces power consumption I simultaneously _C2Also only when signaling, just control I _C1Work, if invalid code or do not receive effective code in official hour, pin 12 outputs one high voltage stabilization signal then is by triode BG ₁, amplify to drive midget relay J ₁, control flicker luminotron 16, hummer 17, vibrating motor 14 work, I _C4, I _C2Interior is cmos device, quiescent current 5-6 μ A, I _C4Be 50 μ A, and I _C2, I _C4Adopt quartz crystal oscillator, circuit timebase frequency to stablize.The battery integrated circuit I that boosts _C5, output voltage is 2,7-15,75V are adjustable, and maximum output current reaches 200mA, and full load efficient is 85-95%, I _C5Adopt current source PWM (PWM) that quiet true output voltage is provided; its switch inside frequency is 170KHZ; be characterized in limiting periodically one by one excess current, and have external short circuit protection programmable to start function that its output voltage can be by R1=R2[V0 μ T/1,23-1] determine.

Among the utility model embodiment, the main components and parts of circuit are selected as follows:

I _C1: long wave digital signal emission integrated circuit 7630

I _C2: random coded integrated circuit VT2020E

I _C3: long wave digital signal receiving integrate circuit T631

I _C4: decoder ic VT2020D

I _C5: the battery integrated circuit MAX752 that boosts

Claims

1, a kind of hand telephone set anti-lose alarm, it comprises transmitter (1), hand-held set power supply (2), receiver (3), it is characterized in that: transmitter (1) is made up of the transmitter circuitry (5) and the housing (6) that are arranged on the circuit board (4), hand-held set power supply (2) is by transmitter (1), battery of mobile phone (8), housing (9), battery cover board (10) is fixedly connected and is integral, wherein, transmitter (1) is arranged on hand-held set power supply (2) inner bottom part and connects one with battery of mobile phone (8), and receiver (3) is by the receiver circuit (12) that is arranged on the circuit board (11), hummer (13), vibrating motor (14), receiver housing (15) constitutes.

2, a kind of hand telephone set anti-lose alarm according to claim 1 is characterized in that: the clip (22) that the shell body of receiver (3) is equipped with flicker luminotron (16), hummer (17), functional switch (18), battery cover (19), electronic watch (20), electronic watch adjustment switch (21) successively and is connected with human body.

3, a kind of hand telephone set anti-lose alarm according to claim 1 is characterized in that: transmitter circuitry (5) is by long wave digital signal emission integrated circuit I _C1With random coded integrated circuit I _C2And resistance capacitance element composition, receiver circuit (12) is by long wave digital signal receiving integrate circuit I _C3With decoder ic I _C4And the battery integrated circuit I that boosts _C5, relay J ₁, crystal oscillator JT ₁, triode BG ₁, diode D ₁, D ₂, flashing diode D ₃, the resistance capacitance element forms.

4, according to claim 1 or 3 described a kind of hand telephone set anti-lose alarms; it is characterized in that: cell of mobile telephone set (8) circuit is made up of thermistor R, diode D, and wherein, 1,3 two ends are power output end; 1,2 two ends are the battery charge test side, and D is that the protection diode is filled in counnter attack.