CN2175954Y - Wire-less calling alarm - Google Patents

Abstract

The utility model relates to a wire-less calling alarm device, composed of an alarm sensor signal reception discrimination circuit, a TM timer circuit, a CM digital code memory circuit, a pulse dialing circuit, a polarity conversion circuit, an electronic switching circuit, an RY relay and an (AS) voice circuit. The utility model has the advantages of good reliability, reasonable structure, and strong component adaptability. The alarm working of the utility model is concealed. Users can receive alarm signals at any time and at any place.

Description

Wire-less calling alarm

The utility model relates to alarm, and particularly a kind of radio-paging alarm belongs to the wireless alarm class.

Existing alarm most employing police whistle sound or alarm lamp mode frighten the invador away or inform the personnel that limited range is interior, and the stolen person of homestead was not often knowing at that time without exception.Except that above-mentioned type of alarm, also has a kind of radioalarm equipment, can under the situation that is difficult for snugly being found, report to the police by Push switch as Chinese patent 86201575 disclosed " public security dedicated radio warning system " by the people, this warning system program is rapid, and is simple, is suitable for, but it must be furnished with dispensing device and receiving trap, the total system complex structure, the cost height is difficult for promoting the use of.In order to overcome this problem, Chinese patent 902034847 provides " wired multiple alarm ", and the characteristics of this alarm utilize existing automatic switching system to transmit alerting signal.Therefore it requires in transmission and receives warning place phone all should be set, though use this alarm user to arrive in the time by the telephone set redialing for 15 times, if but the invador has found alarm before this and has destroyed it, the user still can not receive alerting signal this moment, succeed and make to steal, and the user must keep and receiving warning place, and its freedom to work degree is greatly affected.Adopted many mechanical contacts in this system, its functional reliability will inevitably descend in addition, if any one causes fault because of loose contact, all will produce and lose the newspaper phenomenon.

The purpose of this utility model is to overcome the problems referred to above, develop a kind of its principle of work and need telephone set be set in reception warning place, it only requires that the user has beeper or mobile telephone, and, the user all can obtain alerting signal immediately as long as being in the working range of telephone network or radio-paging net, this has just greatly improved the promptness and the accuracy of reporting to the police, and bring great convenience to the user, can be more freely movable and needn't keep at a place and wait for.

The technical scheme that realizes the utility model purpose is: the radio-paging alarm is the judging circuit that is received by the alarm sensor signal, the TM timer circuit, CM digital memory and pulse dialing circuit, polar switching and electronic switching circuit, RY relay and sound circuit (AS) are formed, its annexation is: reach (K) input by reception of alarm sensor signal and judging circuit (IQ) and enter the TM timer circuit by the output of (A) point after (IC53), be input to CM digital memory and pulse dialing circuit by (B) point and (well) then, enter polar switching and electronic switching circuit (SW) by (SW3) again, again by the RY relay, (RY) also accept the control of TM, (SW) also accept signal from (AS).Pass to user's BP or (mobile telephone) machine on one's body when sending alerting signal via the radio-paging platform, the user is promptly accepted warning whenever and wherever possible.

The advantage that the utility model is compared with prior art had:

1, warning work is hidden, is difficult for stolen person and penetrates;

2, functional reliability is good, and the user can receive alerting signal whenever and wherever possible;

3, line construction is reasonable, and components and parts adaptability is strong, is easy to apply.

Description of drawings is as follows:

Fig. 1 is a design concept block diagram of the present utility model;

Fig. 2 receives and the judging circuit theory diagram for the alarm sensor signal;

Fig. 3 is a TM timer circuit schematic diagram;

Fig. 4 is CM digital memory and pulse dialing telephone schematic diagram;

Fig. 5 is polar switching and electronic switching circuit and RY relay circuit;

Fig. 6 is (AS) sound circuit;

Vcc-power supply among the figure, (A), (B), (well), (SW3), (SW1), (SW2) be output, the input point of the signal in each corresponding figures.

Now in conjunction with the accompanying drawings, further narrate structure of the present utility model and working condition by embodiment;

Embodiment:

K in sensor signal reception and the judging circuit can be Hall element or dry reed tube etc. as described in Figure 2, if the household enters is to turn the key in the lock, like this can be with safety lock, the dead bolt that has magnet is above removed Hall element or is opened reed pipe, make K be output as low level, this level enters the input end of IC53, IC53 is a NAND circuit, the output terminal of its other end and IC6 joins, IC6 is the OR-circuit of multiterminal input, its input end is connected with alarm sensor, even at this moment the household runs into sensor, the output terminals A that also makes IC53 is a high level.If others' illegal invasion, he does not have identical key, at this moment the K output terminal is a high level, when the invador forces open the door or leaps in through the window, responded to by sensor, the output terminal that makes IC6 is a high level, thereby the A end just becomes low level from high level, signal just enters like this, by timer circuit shown in Figure 3, it is mainly to be made of two 555 integrated packages, and pulse signal inserts the 2. end of IC3 by C3 from A end, their one of diode D5 resistance R 6 is connected to Vcc, the other end connects the 2. end of IC3, the monostable circuit that IC3 constitutes, and be by R7 time delay, the C4 decision, the termination power Vcc of R7,6. 7. the other end link to each other with IC3's, the end of C4 and IC3 6. 7. in succession, other end ground connection.C5 connects 5. end of IC3 the, other end ground connection, and the monostable pulse of acquisition is from the 3. end output of IC3.Next to promote three parts, first relay J, the 2nd IC51, the 3rd IC4.Thereby, after R8 and C6 are in parallel, one terminates at the 3. end of IC3, the other end is connected on the b utmost point of T3, and the e utmost point ground connection of T3, and C seals in relay J on extremely, insert Vcc then, second be IC3 the 3. end insert the 2. 4. 6. end of IC4 by D6, C7, R9 one terminates on the Vcc, the other end is connected between D6 and the C7.In addition, of R11 is connected on 2. 4. 6. on the end of IC4, other end ground connection.The C utmost point of T4 also is connected on 2. 4. 6. going up of IC4 by R10, and the b utmost point is connected on the 7. end of IC4 by R13, and e utmost point ground connection, and R12 is connected on Vcc and 7. between the end.7. end is output as alerting signal.Here IC4 and subelement is to constitute time-delay and independent controlled monostable circuit of extended period, and signal inserts by shown in Figure 4 through this circuit and by the output of (B) and (well) point.

Digital memory and pulse dialing circuit, the integrated package of this circuit adopts UM9151, and its wiring requirement is: IC1's 2. 3. 4. the end with End utilizes 4 * 3 keyboard matrixs, proportionately gets two mode in seven.And utilize one two end Sheffer stroke gate IC, and its input end to be held as (well), another input end leads to IC54 and is connected on (17) end of IC1, and its output terminal is connected on the 4. end of IC1.IC1 the 6. end is by R4 ground connection, the 7. end is by CO ground connection, the 8. end is by R5 ground connection, 5. 1. the connect power Vcc, the

End ground connection, and 10. (11) it depending on circumstances select ground connection or connect power Vcc, (14) ground connection, the 9. end be pulse output end SW3 just, IC1 also can be alternative for " dialing " integrated package of other models, but its wiring also will be done corresponding change.Next signal enters polar switching shown in the electrograph 5 and electronic switching circuit (SW), telephone wire is by the JK1 of relay J, the polarity switching that JK2 enters this device, the Chang Kaiduan of JK1 divides two-way, leads up to the anode of D1 to the e utmost point of T1, and the negative terminal of another road by D3 is to the e of T2.The Chang Kaiduan of JK2 also divides two-way, leads up to the anode of D2 to the e utmost point of T1, and the negative terminal of another road by D4 is to the e utmost point of T2.The b that resistance R 2 one in the circuit terminates at T1 extremely goes up, and the c that the other end is connected on T2 extremely goes up, and R1 one terminates at the e utmost point of T2, and the other end is connected on b and extremely goes up.One of R4 terminates at the b utmost point of T1, and the other end is connected on the b utmost point of T2, and the end of R3 be exit SW3, the b that the other end is connected on T2 extremely goes up.The e that the positive pole of stabilivolt Z1 is connected on T2 extremely upward is ground, and the c that other end negative pole is connected on T1 extremely goes up.

The user can be in advance with in the reader on beeper number of oneself and the keyboard of warning identifier from Fig. 4, deposit the RAM in the IC chip in.

Usually alarm is in stand-by state, promptly as the IC6 output of Fig. 2 in low level, K is a high level.

If own kinsfolk with key open into, K just becomes low level, the output of IC6 level why no matter at this moment, the A place always is in high level.This moment, alarm was not reported to the police.

Illegally enter (or losing police etc.) in the family as other people, because the effect of alarm sensor, make the some or several output terminals that become high level IC6 among the 1N1-1N7 of IC6 also become high level, and with the high level of K with non-defeated, this moment, the A output terminal just became low level from original high level saltus step, be input to the 2. end of IC3 by C3, IC3 enters monostable duty, and 3. end is high level.Promote relay J, JK1, JK2 adhesive through T3, this alarm inserts telephone network, simultaneously, be connected into the time-delay and the extended period independently the IC4 of monostable circuit also work, direct impulse after its one of 7. end generation is delayed, output to (well) end,, be equivalent to by the effect of " redialing " key through the IC54 effect.Enter IC, make the number that deposits IC in convert serial pulse signal to from 9. pin output of IC, it is modulated T2 earlier and modulates T1 again by T2, enter telecommunications network to reach signal from alarm output, at this moment user's beeper (or mobile telephone) at one's side can in time be reported to the police, whether numbers displayed is the warning identifier of importing in advance to the user on the beeper by reading, and just can know at once has alert in the family, take the necessary measures then.

Claims (4)

1, the radio-paging alarm, it is characterized in that: it is to be received and judging circuit by the alarm sensor signal, the TM timer circuit, CM digital memory and pulse dialing circuit, polar switching and electronic switching circuit, RY relay and sound circuit (AS) are formed, its circuit connecting relation is: after reaching (K) input (IC53) by reception of alarm sensor signal and judging circuit (IC6), enter the TM timer circuit by the output of (A) point, be input to CM digital memory and pulse dialing circuit by (B) point and (well) then, enter polar switching and electronic switching circuit (SW) again by the RY relay by (SW3) again, (RY) also accept the control of TM, SW also accepts the signal from (AS).

2, radio-paging alarm according to claim 1 is characterized in that: said alarm sensor signal receives and judging circuit (K) can be made up of a Hall or tongue tube.

3, it is characterized in that according to claim 1 or the described radio-paging alarm of claim 2: the TM timer circuit is made up of two 555 current collecting pieces.

4, according to claim 1 or the described radio-paging alarm of claim 2, it is characterized in that: adopted integrated package UM9151 in said CM digital memory and the pulse dialing circuit.

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