CN2281617Y - Mobile communication alarm for illegally putting-in - Google Patents

Abstract

The utility model relates to an electronic anti-theft alarm. The prior art can give alarms only through automatic paging with high false alarm rate. The electronic anti-theft alarm comprises a door-window monitor composed of a lock-control switch and a door-control switch connected in series, a voice sending circuit and a memory circuit which enables the anti-theft alarm to work continuously once the lock-control switch and the door-control switch are simultaneous switched on. A pulse signal generator is controlled by the door-window monitor to start or stop. The utility model has the advantage that the electronic anti-theft alarm can give alarms through automatic paging, artificial paging and directly towards outside with telephone voice not through a paging station. With accurate, timely and reliable alarms, the utility model can give alarms immediately when a door/window is pried, and overcome the detect that 'shut the stable when the horse is stolen'.

Description

The messenger call burglar alarm

The utility model is a kind of burglar alarm of application electric technology.

Granted publication number discloses a kind of " utilizing the alarm of paging station's network alarm " for the Chinese patent file of CN2173432Y, comprise a trigger, one pulse generator, one sequential distributor circuit, one delay circuit and one is controlled the switches set of telephone set, and by infrared sensor the scene is monitored.The shortcoming of this device is: 1, can only report to the police by the automatic paging platform, can not use artificial call alarm, can not pass through paging station and direct telephone call to the external world.2, infrared monitoring is if be located in the door, and the need burglar could report to the police after forcing open the door and entering the room, and is late, and easy false alarm; If be located at outdoors, all can report to the police the false alarm rate height as long as there is object in monitored space, to move.

First purpose of the present utility model provides a kind ofly not only can report to the police by the automatic paging platform, and can be by artificial call alarm with not by paging station and direct burglar alarm to extraneous telephone call.Second purpose of the present utility model provides the accurately and timely reliable burglar alarm of a kind of warning.

The utility model contains the pulse signal generator of a frequency and EDM Generator of Adjustable Duty Ratio, one group of controlled operation switch, it is characterized in that also containing a door and window watch-dog that is in series by lock-controlled switch and gate controlled switch, in case lock-controlled switch and gate controlled switch are connected once the memory circuit that the back just can make burglar alarm constantly work simultaneously, one by counter, counting decoder and a telecommunication circuit that decoder and inverter are formed, the input of one output termination pulse signal generator of door and window watch-dog, the input of another output termination memory circuit of door and window watch-dog, the input of the output termination counting decoder of pulse signal generator, the output of counting decoder is accepted the input of control console switch, one output of controlled operation switch is picked the input of telephone circuit, the answer the call respective keys of machine of other outputs of controlled operation switch and the output of telecommunication circuit.

Lock-controlled switch in the door and window watch-dog and gate controlled switch can adopt travel switch, roof pressure switch or other that sensitive switch of contact is arranged, and the commercially available prod is all arranged.When the utility model used, the lock-controlled switch in the door and window watch-dog was contained on the door lock, its contacting of back of locking, and its contact, back of unblanking disconnects.Gate controlled switch is contained in the inboard of door or window, and its contact disconnected when door or window were closed, its contacting when door or window are opened.The pulse signal generator of frequency and EDM Generator of Adjustable Duty Ratio has ready-made circuit can supply to adopt, as Fig. 3-4 in " homemade integrated circuit is used 500 examples " (adopting J210) or Fig. 4-7 (adopting 555).The starting and stopping of pulse signal generator are controlled by the door and window watch-dog.Because lock-controlled switch and gate controlled switch series connection, under the state of locking a door, if having the people to force open the door or window, gate controlled switch is also connected, and the circuit of pulse signal generator and whole alarm obtains the power supply power supply and enters operating state.The pulse that counter in the counting decoder is sent pulse signal generator here is by 8421 yards outputs, and this number is as the input of decoder.A plurality of outputs of decoder are exported a low level successively, and low level is through transferring high level output again successively to control controlled operation switch behind the inverter.The a certain key that is equivalent to telephone set during a certain switch closure in the controlled operation switches set is pressed, and is equivalent to this key during disconnection and does not press, thereby realize operation telephone key in order, realizes using telephone call.Telecommunication circuit is made up of voice sheet and electronic switch, can be the prior typing of warning language, and output subsequently, thus realize audio alert.

The utility model has the advantages that: 1, not only can report to the police by automatic paging, and can be by artificial call alarm with not by paging station and directly to extraneous telephone phonic alarm.2, warning is accurately and timely reliable.3, lock-controlled switch and gate controlled switch are hidden, can be not destroyed before the window of not forcing open the door.Report to the police when 4, forcing open the door window, rather than after prying open, overcome the shortcoming of " mending the fold after the sheep is lost ".Connect once the memory circuit that the back just can make burglar alarm constantly work simultaneously in case 5, be provided with lock-controlled switch and gate controlled switch, can not stop to report to the police because of the door and window watch-dog is destroyed by the burglar.

Fig. 1 is an electric theory diagram of the present utility model.Fig. 2 is the electrical schematic diagram of embodiment.Fig. 3 is the pulse delay circuit figure of embodiment.Fig. 4 is an embodiment telecommunication circuit schematic diagram.Fig. 5 is the connection schematic diagram of alarm and telephone set among the embodiment.

Below the utility model is described in further detail with specific embodiment:

See Fig. 2.By lock-controlled switch K1 and the gate controlled switch K2 door and window watch-dog that is in series, in circuit, play the mains switch effect.Memory circuit is made up of relay J 2 and contact J2-1 thereof.When K2 connected, J2 at first moved, and J2-1 contact group closure is sealed K1K2 contact group.At this moment K1, K2 are if be damaged in the window of forcing open the door, and circuit still can be in the Normal Alarm state through the J2-1 contact.Counter, decoder and inverter F0-F15 form counting decoder.F0-F15 is the CC4069 integrated package.Counter T215 integrated package.Decoder T333 integrated package.Counter is exported by 8421 yards the pulse that pulse signal generator M sends here by QA, QB, QC, QD, this number is as the input of decoder.The output Q0-Q15 of decoder exports a low level successively, and low level removes to control S0-S15 through transferring high level output behind the inverter again successively to.The truth table of counting decoder sees Table 1.Power circuit is by small single-phase transformer, bridge rectifier, integrated regulated power supply W, compositions such as reserve battery E and switching relay J1 thereof.When AC network had a power failure, reserve battery can make the siren still can operate as normal.

The controlled operation switch is by S0-S15, delay switch S 8-1, S9-1, S10-1, S13-1 composition.These electronic switches are closure when high level, turn-offs during low level.The a certain key that is equivalent to telephone set during a certain switch closure in the controlled operation switches set is pressed, and is equivalent to this key during disconnection and does not press.Because electronic switch is to have program ground to connect successively, turn-off, thereby telephone key is operated in realization in order, reaches and send out number purpose of conversation warning.Postponing switch is provided with for call function.It is made up of pulse delay circuit and electronic switch, and its circuit is seen Fig. 3.It is made up of two J210 triggers.Time of delay, output pulse width was by Rx2 and Cx2 decision by Rx1 and Cx1 decision.Use the delay switch to employ one's time to the best advantage, improve effect.The speaking circuit principle is seen Fig. 4, and it is made up of voice sheet and electronic switch.The voice sheet adopts commercially available prod SR9G26 production board.A, b termination switch hook be with interior external output line among Fig. 4, corresponding output in inverter or the pulse delay circuit among G termination Fig. 2.After pressing the figure energized, pin record button L, mouthful be with microphone MIC to say to the voice sheet: " certain so-and-so stolen " or " please pass certain so-and-so number, I be certain so-and-so number " wait voice, at this moment the voice of importing from microphone just are recorded to the SR9G26 and have gone.When S was closed, level triggers F end, the voice of typing were just sent into telephone line from C, D end, realized conversing and reported to the police.Present embodiment also is provided with a sound light alarming circuit B, and it is made of (CW) KD-956 series analog sound integrated circuit and peripheral component thereof.For example select three two flashes of light of KD9563 integrated circuit for use.When the people forces open the door window, obtain operating voltage and report to the police.Alarm connects by the track in electronic switch S and the telephone set printed board 12, sees Fig. 5.3 is telephone key among Fig. 5, and 4 is rubber bodies, and 5 is the conductive rubber contact.S0-S15 in the S presentation graphs 2 in the Figure 4 and 5, S6-1, S9-1, S10-1, any among the S13-1.

Claims (4)

1, a kind of messenger call burglar alarm, the pulse signal generator that contains a frequency and EDM Generator of Adjustable Duty Ratio, one group of controlled operation switch, it is characterized in that also containing a door and window watch-dog that is in series by lock-controlled switch and gate controlled switch, in case lock-controlled switch and gate controlled switch are connected once the memory circuit that the back just can make burglar alarm constantly work simultaneously, one by counter, counting decoder and a telecommunication circuit that decoder and inverter are formed, the input of one output termination pulse signal generator of door and window watch-dog, the input of another output termination memory circuit of door and window watch-dog, the input of the output termination counting decoder of pulse signal generator, the output of counting decoder is accepted the input of control console switch, one output of controlled operation switch is picked the input of telephone circuit, the answer the call respective keys of machine of other outputs of controlled operation switch and the output of telecommunication circuit.

2, messenger call burglar alarm as claimed in claim 1 is characterized in that memory circuit is made up of relay J 2 and contact J2-1 thereof.

3, messenger call burglar alarm as claimed in claim 1 is characterized in that the controlled operation switch by S0-S15, delay switch S 6-1, S9-1, and S10-1, S13-1 forms.

4, messenger call burglar alarm as claimed in claim 1 is characterized in that telecommunication circuit is made up of voice sheet and electronic switch.

Images