CN2131150Y - Connecting-netted anti-theft alarm - Google Patents
Connecting-netted anti-theft alarm Download PDFInfo
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- CN2131150Y CN2131150Y CN 92238632 CN92238632U CN2131150Y CN 2131150 Y CN2131150 Y CN 2131150Y CN 92238632 CN92238632 CN 92238632 CN 92238632 U CN92238632 U CN 92238632U CN 2131150 Y CN2131150 Y CN 2131150Y
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Abstract
The utility model belongs to the technical field of anti-theft alarm, wherein, the connecting-netted anti-theft alarm is composed of such 9 sections as a network signal handler, an inner and an outer alarm signal memorizers, a cipher code controller, etc. The utility model connects all the alarm units into a net. When a certain part of the net alarms, the whole net alarms instantly. Each alarm unit on the net uses passwords to reject strangers from masters. The utility model is of high alarm reliability with full functions against spoiling, and can work continuously day and night. The connecting-netted anti-theft alarm is an ideal burglar alarm for various national departments in charge of confidential or important work.
Description
The utility model belongs to the burglar alarm technical field.
In the prior art, most burglar alarms all are isolateds, in case alert is arranged, if neighbouring unmanned, equal illusory; Existing network alarm device is user and total interconnect plane, and each user only establishes detector, in case the burglar touches detector, exchange is just reported to the police, when passing in and out the room door owing to owner, also can touch detector, and then trigger and report to the police, be unnecessary and at this moment report to the police, so exchange must be shut down, by the time after owner leaves away, exchange is worked again, because exchange can not continuous working, just occurs failing to report unavoidably; Existing warning device does not have tamper-proof function, in case circuit is cut off or alarm is pounded and prized, just loses the warning effect yet; The probe, the particularly probe that constitutes by magnetic switch of existing alarm, not antimagnetic, easily go to pot, thereby lose warning function.
First purpose of the present utility model is that a kind of networking theft-proof alarm will be provided, as long as a side has alert, all users on the networking line just report to the police mutually, and the user can know orientation, alert place at once; Second purpose of the present utility model is to realize the continuous working of alarm, and in other words, owner can turn off the internal alarm circuit for fear of oneself turnover room door and trigger warning, but when not influencing the external alarm signal input and the warning that triggers; The 3rd purpose of the present utility model is to improve the tamper-proof function of alarm, no matter be that circuit is cut off, or alarm pounded and prized, and can both trigger warning at once; Last purpose of the present utility model provides a kind of new construction of magnetic switch, and it has tamper-proof jamming-proof ability reliably.
The purpose of this utility model is to realize with following mode: this alarm by networking signal processor, external alarm signal storer, internal alarm signal storage, reminiscences and warning indicating device, alarm sound device, detector, Crypto Control Unit, destruction prevention device, power supply and the under-voltage indicating device of battery totally 9 parts form.The networking of reporting to the police realizes that by the networking signal processor the next alerting signal of A direction is transmitted to the B direction by it, and the alerting signal that the B direction is come is then transmitted to the A direction by it, thereby realizes networking; External alarm signal also enters the external alarm signal storer by it, enters the alarm sound device again, realizes the warning to external signal; Produce the internal alarm signal from detector, this signal is introduced into the internal alarm signal storage, enters networking signal processor and alarm sound device thereafter more respectively,, realizes self reporting to the police by the latter to the open air warning by the former; Enter the signal of memory, external memory reservoir, be controlled by Crypto Control Unit, if receive cipher instruction, alerting signal will be by short-term or long-term the termination, if do not receive that cipher instruction, alerting signal will enter acoustics circuit and report to the police; This alarm is provided with special tamper-proof circuit, in case circuit is cut off, perhaps alarm is pounded and prized, and circuit can pass in the net signal and acoustics circuit at once, reports to the police simultaneously in realization outside and inside; The structure of magnet and the discrete setting of tongue tube in the utility model magnetic switch of changing over and they are combined as a whole.Thereby improve the reliability and the security of probe greatly.
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1. the utility model circuit block diagram
Fig. 2. networking signal processor and destruction prevention device circuit diagram
Fig. 3. external alarm signal memory circuitry figure
Fig. 4. internal alarm signal storage circuit diagram
Fig. 5. reminiscences and warning indicating device circuit diagram
Fig. 6. alarm sound device circuit figure
Fig. 7. detector circuit figure
Fig. 8. the magnetic switch structural drawing
Fig. 9. the Crypto Control Unit circuit diagram
Figure 10. power supply and battery are under-voltage indicating device circuit diagram
Among the figure: user, the B. that A. is positioned at the A direction is positioned at the user of B direction, 1. networking signal processor, 2. external alarm signal storer, 3. internal alarm signal storage, 4. reminiscences and warning indicating device, 5. alarm sound device, 6. detector, 7. Crypto Control Unit, 8. destruction prevention device, 9. power supply and the under-voltage indicating device of battery, 10. magnet, 11. tongue tubes, 12. iron plates, 13. shells, R. resistance, C. electric capacity, VD. diode, V. triode, Ic
1And Ic
4. four high guaily unit LM324, Ic
3. time base circuit MC7556(storer), Ic
72-10 system counter CD4017(time schedule controller), F. Sheffer stroke gate (phase inverter), K. switch, T. probe, AN. button, CK. plugs and sockets, GB. battery.
Circuit block diagram shown in Figure 1, by networking signal processor 1, external alarm signal storer 2, internal alarm signal storage 3, reminiscences and warning indicating device 4, alarm sound device 5, detector 6, Crypto Control Unit 7, destruction prevention device 8, power supply and battery are under-voltage, and indicating device 9 is formed, it is characterized in that: by A, the networking line that the B direction is come links with the networking signal processor, networking signal processor and external alarm signal storer link, external alarm signal storer and alarm sound device link, detector and internal alarm signal storage link, the internal alarm signal storage respectively with the networking signal processor, reminiscences and warning indicating device, the alarm sound device links, destruction prevention device links with networking signal processor and alarm sound device, Crypto Control Unit with in, outer alerting signal storer links, and the under-voltage indicating device of power supply and battery and other 1-8 each several parts link.
Networking signal processor and destruction prevention device shown in Figure 2 are by four high guaily unit Ic
1, anti-jamming circuit, indicating circuit, buffer circuit, phase inverter F
2And tamper-proof circuit is formed.The alerting signal of coming from the A direction enters this processor by the networking line, via R
1-5And C
1-4The anti-jamming circuit of being formed enters Ic
1-212 pin, again from Ic
1-214 pin come out to be divided into three the tunnel: lead up to VD in the buffer circuit
1-5Arrival is by R
2-2, C
2-1, VD
2-2The anti-jamming circuit of being formed enters the external alarm signal storer; Two the tunnel enter by VD
1-2, R
1-8The alerting signal indicating circuit of being formed makes light emitting diode VD
1-2Bright, tell owner A that direction has the police; Three the tunnel arrive Sheffer stroke gate F
21 pin, anti-phase back signal is from F
211 pin come out, again by R
1-9Be transported on the networking line of B direction.In like manner, the alerting signal from the B direction is come arrives Ic earlier
1-110 pin, again from Ic
1-18 pin come out, and are divided into three the tunnel: the one tunnel through isolating diode VD
1-6And R
2-2, C
2-1Enter the external signal storer; Two the tunnel will make another light emitting diode VD
1-1Bright, tell owner B that direction has the police; Three the tunnel then from phase inverter F
210 pin come out through R
1-4Be transported on the networking line of A direction.
The internal alarm signal is the R of signal storage internally
1-11Come out, arrive F
25 pin and 2 pin, through F
2After anti-phase, by R
1-4And R
1-9Outwards transmission.
External alarm signal storer shown in Figure 3 is by time base circuit Ic
3-1, Sheffer stroke gate F
5, F
7, anti-jamming circuit, capacitance multiplication charging circuit form.External alarm signal is from the R of networking signal processor
2-2Enter the Ic of this storer
3-18 pin, Ic
3-1Be the part of time base circuit MC7556, external alarm signal is stored in this.Storer is controlled by Crypto Control Unit, and when not receiving cipher instruction, when promptly not pressing cryptographic key or having pushed the wrong key, alerting signal will be respectively from Ic
3-19 pin and 13 pin output, the signal that comes out from 9 pin enters Sheffer stroke gate F
7, after anti-phase, enter the alarm sound device, it is reported to the police, the signal that comes out from 13 pin then enters by R
2-4, R
2-5, C
2-3, VD
2-1, V
2-1The capacitance multiplication charging circuit of being formed (it is a kind of of delay circuit), at this moment power supply passes through R
2-4, VD
2-1To C
2-3C is worked as in charging
2-3Current potential rise to three of supply voltage/two o'clock, Ic
3-112 pin be triggered, make Ic
3-19 pin are returned to former current potential, and alerting signal stops, and this process is the automatic termination procedure of alerting signal, lasts about five minutes therebetween; When receiving cipher instruction, when promptly owner pressed cryptographic key, cipher instruction will be from F
5The input of 12 pin, 13 pin, anti-phase after, through by R
2-3And C
2-2The anti-jamming circuit of being formed enters into Ic
3-110 pin, make Ic
3-19 pin and 13 pin all be returned to former current potential, at this moment alerting signal is terminated, this process is the artificial termination procedure of alerting signal.
Internal alarm signal storage shown in Figure 4 is by time base circuit Ic
3-2, delay circuit, capacitance multiplication charging circuit, anti-jamming circuit, Sheffer stroke gate F
5Form.The internal alarm signal is from the R of detector
3-10Enter Ic
3-26 pin, Ic
3-2Be the part of time base circuit MC7556, the internal alarm signal is stored in this, and storer is controlled by Crypto Control Unit.No matter be owner or stranger, as long as one open the door and will touch detector, just have the internal alarm signal, alerting signal is respectively from Ic
3-25 pin and 1 pin output, the signal from 5 pin come out is divided into two-way, the one tunnel through VD
3-1Enter reminiscences and warning indicating device, remind owner, alarm is started working; Another road process is by R
3-13, C
3-4The delay circuit of forming, after about 10 seconds, F
5Start working, this 10 second time is to make owner if having time by cryptographic key, and its cipher instruction is from F
58,9 pin enter, anti-phase after, again from by R
3-1, C
3-1The anti-jamming circuit of forming arrives Ic
3-24 pin, make Ic
3-25 pin and 1 pin reply former current potential.Alerting signal stops, and this process is the artificial termination procedure of internal alarm signal; If unmanned by cryptographic key or pushed the wrong key in these 10 seconds, after 10 seconds, signal is through F so
5Anti-phase, be further divided into two branch roads, first branch road enters the alarm sound device and makes its warning; Second branch road then passes through R
1-11Entering the networking signal processor makes it to the open air transmission.From Ic
3-2The signal that 1 pin comes out will enter by R
3-2, R
3-11, C
3-2, VD
3-5, V
3-1The capacitance multiplication charging circuit of being formed (this is a kind of of delay circuit).At this moment power supply passes through R
3-2, VD
3-5To C
3-2C is worked as in charging
3-2Current potential be raised to three of supply voltage/two o'clock, Ic
3-22 pin be triggered, make Ic
3-25 pin be returned to former current potential, alerting signal stops.This process is the automatic termination procedure of internal alarm signal, lasts about five minutes therebetween.
Reminiscences shown in Figure 5 and warning indicating device are made up of voltage controlled oscillator, alarm lamp circuit, reminiscences.From Ic
3-2The internal alarm signal that 5 pin come out at first passes through VD
3-1Enter by F
8, R
4-11, R
4-10, C
4-2The voltage controlled oscillator of forming, its oscillator signal one tunnel arrive hummer makes it send " pout, pout ... " sound, does not forget by password to remind owner; Another road then arrives by VD
4-5, R
4-7, V
4-3, V
4-2The warning indicating circuit of being formed, but not work of pilot lamp at this moment, it is to work when hummer stops sound equipment after 10 seconds again.The work of hummer and pilot lamp is controlled by the internal alarm signal storage, arrives F earlier through 10 seconds internal alarm signal of time-delay
76 pin, from F
74 pin be divided into two-way after coming out, the one tunnel arrives the alarm sound circuit, another road then is divided into two branch roads, one is from F
78,9 pin enter, arrive F after anti-phase
81 pin, hummer is quit work; Second it directly arrive VD
4-6, indicator light circuit is started working, under the oscillatory circuit effect, pilot lamp will send flickering light signal, with the indication place of alarm.
Alarm sound device shown in Figure 6 is by four tones of standard Chinese pronunciation sheet KD9561, loudspeaker Y D4-1, Sheffer stroke gate F
7, F
6, voltage controlled oscillator, amplifier, emitter follower form.The signal that comes from inside and outside alerting signal storer enters F respectively
76 pin and 5 pin, through F
7Enter by C
4-3-4, R
4-13, R
4-14And F
6The voltage controlled oscillator of being formed, oscillator signal is from F
63 pin come out, through emitter follower V
4-7Power supply is provided for four tones of standard Chinese pronunciation sheet KD9561, makes it produce interrupted alarm sound signal, this signal is via V
4-5And V
4-6The amplifying circuit of being formed promotes loudspeaker.
Detector shown in Figure 7 is by probe T, electric bridge, recognizer, isolator, anti-jamming circuit and magnetic switch K
7Form.R among the figure
3-3-2And R
3-6Series connection back and R
3-4, R
3-5, R
3-7Form an electric bridge, brachium pontis is provided with probe T and K switch, if the bridge circuit imbalance just will produce alerting signal, the utility model is designed to two kinds of forms with the imbalance of bridge circuit: the one, and short circuit; The 2nd, open circuit.When short circuit, i.e. K
7When closing, alerting signal is through Ic
4-2And VD
3-3Enter by R
3-9, VD
3-6 and C
3-5The anti-jamming circuit of forming is again through R
3-10Arrive internal alarm signal storage Ic
3-26 pin; And when opening circuit, when the on line of the T that promptly pops one's head in was cut off, alerting signal was then passed through Ic
4-1And VD
3-2Arrive Ic
3-26 pin, above-mentioned four high guaily unit Ic
4-1And Ic
4-2Form identification circuit, to play identification be short circuit or open circuit these two kinds of situations.This is an ingredient of the utility model destruction prevention device.
Magnetic switch structure shown in Figure 8 is the improvement to existing magnetic switch.Magnet and tongue tube in the existing magnetic switch are discrete, and on door leaf, tongue tube then is contained on the doorframe as magnet cartridge, after door was opened, magnet separated with tongue tube, so report to the police, so the burglar just with the close tongue tube of an external magnet, makes the unlatching of door lose the warning effect.And the utility model is the both sides that magnet 10 and tongue tube 11 are installed on shell 13, makes it to combine as a whole, and inserts iron plate 12 therebetween again and is used for cutting off magnetic field.Now shell is loaded on doorframe, iron plate is loaded on door leaf, and at closing time, iron plate cuts off magnetic field, does not report to the police; When opening the door, the magnetic field conducting is reported to the police; If the just little unlatching in emblem of door as long as iron plate is still being blocked magnetic field, just can not reported to the police.This is for door leaf small unlatching under normal circumstances, as the distortion of wind or door etc., all can not cause false alarm.When the burglar attempts to add magnet one near probe with adding magnet when committing theft, magnetic field just is switched at once, and at this moment door is not just also opened and reported to the police, makes burglar's attempt become futile effort.
Crypto Control Unit shown in Figure 9 is by 2-10 carry counting system device Ic
7, four high guaily unit Ic
4-3, Ic
4-4, indicating circuit, delay circuit, anti-jamming circuit, lockout circuit and button AN, plug latch CK form.The effect of Crypto Control Unit is to stop alerting signal with cipher instruction, and its course of work is as follows:
One. coding.As shown in Figure 9, CK
1~CK
9In plug and button AN
1~AN
9Link its socket and Ic
7Output terminal Q
0~Q
8Link CK
10~CK
19In socket and Ic
7Output terminal Q
0~Q
9Link, the order of now pressing password is with CK
1~CK
9Plug and socket reversing of position, at this moment, Q
0Link Q with first of password
1Link with second of password, and the like.Again with CK
18Plug insert CK
10~CK
19In arbitrary socket in, as inserting and Q
2In the corresponding socket; And with CK
19Plug insert CK
10~CK
19In another socket in, as inserting and Q
3In the pairing socket.So just obtain two passwords: first password is Q
0, Q
1, Q
2Pairing three figure places.Second password is Q
0, Q
1, Q
2, Q
3Pairing four figures.
Two. the generation of cipher instruction.When pressing first key of password, Ic
7Q
0The noble potential of end arrives Ic
4-312 pin.Make its current potential be higher than Ic
7At this moment 13 pin will have signal from Ic
4-314 pin go out, be divided into three the tunnel then: two-way is wherein arranged by by R
5-8, VD
5-2, C
5-2And F
3The lockout circuit of being formed is pinned, and makes F
34 pin do not have potential change, and remaining lead up to R
5-10Arrive Ic
7Counting end CL, make Q
1Become noble potential, and Q
0Vanishing current potential then, this zero potential makes Ic
4-3 reinstatement attitudes, lockout circuit unpacking, at this moment F
34 pin to F
313 pin output electronegative potential, meanwhile, Q
0Zero potential also will pass through R
5-4And VD
5-1Arrive Ic
4-49 pin, make its current potential be lower than Ic
4-410 pin, at this moment noble potential will be arranged from Ic
4-48 pin go out, this noble potential also is divided into three the tunnel, two-way is wherein arranged by by R
5-9, C
5-3, F
3, F
4, VD
5-7Another lockout circuit of being formed is pinned, and makes F
44 pin do not have potential change, remaining Third Road then arrives F
312 pin make it become noble potential because F
313 pin are electronegative potentials, so F
311 pin do not have potential change, Ic
7Clear terminal R do not have potential change yet, show carry success, can be by second key.During by second key, Q
1End becomes zero potential, Q
2Then become noble potential, and the like.When pressing and CK
18Pairing output terminal such as Q
2The time, with cipher instruction from CK
18Output, this signal is divided into two-way, and one the tunnel directly enters the F of external alarm signal storer
612 pin, 13 pin, the two tunnel through F
6, F
5Arrive the F of internal alarm signal storage
58 pin, 9 pin, meanwhile, pilot lamp VD
5-8Bright, show that password is correct; When pressing and CK
19Pairing output terminal such as Q
3The time, cipher instruction will be arranged from CK
19Output is through F
6, F
5Enter the F of internal alarm signal storage
58 pin, 9 pin.The former is that short-term stops order, through after a while at interval as after 40 seconds cipher instruction stop automatically, recover to report to the police; The latter is the long-term order that stops, at this moment alarm will be in not the state to external alert for a long time, make owner can freely pass in and out the room door, and can make room Men Changkai or open repeatedly with Guan Erjun and do not report to the police, because the internal alarm signal storage is only controlled in long-term termination order, so when external alarm signal, alarm will be worked as usual.
Three. short-term stops the time-delay of order.Short-term stops will losing efficacy behind the order time-delay 40S, thereby recovers to report to the police.The time of this 40S is to be used for closure detector as closing the door to owner, makes it no longer to send alerting signal.The time limit of this 40S is by delay circuit R
5-12, R
5-13, C
5-6, VD
5-6Decide.When pressing CK
18During pairing key, CK
18Be noble potential, this noble potential passes through R
5-12C
5-6 chargings, behind the 40S, time delayed signal arrives F
412 pin, 13 pin, arrive Ic after anti-phase
7Clear terminal R, make Crypto Control Unit ineffective, thereby recover to report to the police.At this moment VD
5-8Go out.This process is an automatic clear.Just recover automatically to report to the police.
Four. the artificial recovery of warning function.When alarm is in the state of long-term termination warning, if, just can recover its warning function at will by an error code.For example, first of error code pairing Ic
7Output terminal is Q
7, Q
7Be zero potential, this zero potential is through R
5-4Arrive Ic
4-49 pin, make its current potential be lower than 10 pin, at this moment noble potential will be arranged from Ic
4-48 pin go out, be further divided into three the tunnel, wherein two-way is blocked circuit and pins, and makes F
44 pin do not have potential change, remaining Third Road arrives F
312 pin make it become noble potential, and F
313 pin be exactly noble potential originally, have after anti-phase electronegative potential to arrive F
41 pin, F
42 pin be exactly electronegative potential originally, through F
4Anti-phase, there is noble potential to arrive Ic
7Clear terminal R, realize zero clearing, controller loses effect, warning function recovers, this process is that the people is zero clearing, just artificially recovers to report to the police.When alarm was in alarm condition, if there is the people to push the wrong sign indicating number, controller was equally with ineffective, and alarm just will be worked as usual, so when the burglar enters the room, if pushed the wrong yard, or do not press password, alarm will be reported to the police.
Five. password anti-stolen measure.If burglar's attempt snatches password, he need open wicket, wicket and K switch on the alarm earlier
10Link, after wicket is opened, K
10Disconnect C immediately
5-5To pass through R
5-14And VD
5-5Discharge makes F
42 pin become electronegative potential, again through F
4Be inverted into noble potential and arrive Ic
7Clear terminal R, controller loses effect, reports to the police as usual, be impossible so the stranger snatches password.If will recover warning function, need shut wicket earlier, K closes
10, F at this moment
48,9 pin become electronegative potential, after anti-phase, pass through R
5-15Give C
5-5Charging, charging finish back F
42 pin recover noble potential, through anti-phase, clear terminal R obtains electronegative potential, reset signal is disengaged, controller recovers its function.
The under-voltage indicating device of power supply shown in Figure 10 and battery is by four high guaily unit Ic
1-3, Ic
1-4, integrated regulator MC7806, identification circuit, indicating circuit, hummer control circuit form.When civil power just often, the stabilized voltage supply operate as normal; When no civil power, stabilized voltage supply is stopped power supply, and at this moment battery GB passes through VD
4-5Realize automaticallying switch, battery begins power supply.When cell voltage drops to 4V, R
4-1And R
4-3Partial pressure value descend V
4-1Base newspaper current potential descend, the collector current potential rises, amplifier Ic
1-43 pin, 2 pin current potential transpositions, 1 pin becomes noble potential, this noble potential is divided into two-way, the one tunnel gives C
4-1Charge, make the F of voltage controlled oscillator among Fig. 5
88 pin become noble potential, and hummer is started working; R is passed through on another road
4-5Arrive Ic
1-35 pin, come out from its 7 pin again, make under-voltage pilot lamp VD
4-4Bright, remind owner to change battery.
Destruction prevention device of the present utility model has following several function:
One. pick-proof is anti-to be pounded.Pick-proof is anti-pounds circuit by R among Fig. 2
1-6, R
1-7, K switch
1And K
2, four high guaily unit Ic
1-1, Ic
1-2Form, when burglar sled is pounded alarm, K
1Instantaneous being opened, K
2Then shut.Work as K
1When opening, Ic
1-213 pin and Ic
1-1The voltage of 9 pin will be higher than Ic
1-110 pin and Ic
1-212 pin, through Ic
1-2And Ic
1-1Anti-phase, its 14 pin and 8 pin become electronegative potential.At this moment will there be alerting signal to pass through R
1-4And R
1-9Transmission meanwhile, is also passed through R in net
2-2Enter the external alarm signal storer, enter acoustics circuit again and report to the police; Work as K
2When shutting, F
25 pin and 2 pin shorted to earths, C
1-2Discharge, F
210 pin, 11 pin become electronegative potential, at this moment also will have signal transmitting to net.
Two. the anti-power failure.Anti-power failure circuit is by the VD among Fig. 2
1-7, VD
1-8, C
1-2, C
1-3Form.When the burglar carries out the destructiveness power failure, C
1-2Pass through VD
1-8Discharge, F
25 pin, 2 pin dead electricity, F
210 pin, 11 pin become electronegative potential, at this moment will have alerting signal in net, to transmit.When having a power failure, its of short duration power supply is by C
1-3Discharge realize.
Three. the short circuit of anti-networking line and opening circuit.Anti-weak point, open circuit are by the Ic among Fig. 2
1-1, Ic
1-2And the networking line is formed.When the weak point that the networking line takes place, when opening circuit, Ic
1-110 pin and Ic
1-212 pin current potential vanishing, at this moment the also vanishing of current potential of 8 pin and 14 pin just has alerting signal to transmit in net, realizes reporting to the police.When networking line when entering the user, the transmission line of indoor section can replace with aluminium platinum paper, and aluminium platinum paper is affixed on glass pane, door surface, and roof, ground, metope, when the burglar illegally when enter the room in above-mentioned position, the short circuit of the line that will cause networking and opening circuit, thereby warning.
The utility model has following advantage:
One. the utility model is coupled to net to each alarm, and certain a bit has the police on the net, and the whole network is reported to the police at once, and can point out orientation, alert place, makes it to eliminate in good time alert.
Two. each point is with the password turnover on the net, and with password identification owner and uninvited guest, this has just improved the reliability of reporting to the police greatly.
Three. the utility model can continuous working, and machine around the clock is not so influence owner's normal life and work.
Four. tamper-proof multiple functional.Pick-proof is anti-to be pounded, anti-ly have a power failure, the short circuit of anti-probe and open circuit, the interference of anti-externally-applied magnetic field, prevent the distortion of door.So can not occur failing to report.
The utility model is the desirable burglar alarm of national various confidential departments or other important places.
Claims (10)
1, a kind of networking theft-proof alarm, by networking signal processor 1, external alarm signal storer 2, internal alarm signal storage 3, reminiscences and alarm lamp 4, alarm sound device 5, detector 6, cipher control 7, destruction prevention device 8, power supply and battery are under-voltage indicating device 9, totally 9 parts are formed, it is characterized in that: by A, the networking line that the B direction is come links with networking signal processor 1, networking signal processor and external signal storer 2 link, external signal storer and alarm sound device 5 link, detector 6 links with internal alarm signal storage 3, the internal alarm signal storage respectively with the networking signal processor 1, reminiscences and warning indicating device 4 and alarm sound device 5 link, destruction prevention device 8 links with networking signal processor and alarm sound device, Crypto Control Unit 7 with in, outer alerting signal storer links, under-voltage indicating device of power supply and battery and networking signal processor 1, external alarm signal storer 2, internal alarm signal storage 3, reminiscences and alarm lamp 4, alarm sound device 5, detector 6, cipher control 7, destruction prevention device 8 each several parts link.
2, networking theft-proof alarm according to claim 1, it is characterized in that networking signal processor 1 and destruction prevention device 9 are by four high guaily unit Ic
1, anti-jamming circuit, indicating circuit, buffer circuit, phase inverter F
2And tamper-proof circuit is formed.
3, networking theft-proof alarm according to claim 1 is characterized in that external alarm signal storer 2 is by time base circuit Ic
3-1, Sheffer stroke gate F
5, F
7, anti-jamming circuit, capacitance multiplication charging circuit form.
4, networking theft-proof alarm according to claim 1 is characterized in that internal alarm signal storage 3 is by time base circuit Ic
3-2, delay circuit, capacitance multiplication charging circuit, anti-jamming circuit, Sheffer stroke gate F
5Form.
5, networking theft-proof alarm according to claim 1 is characterized in that reminiscences and warning indicating device 4 be made up of voltage controlled oscillator, alarm lamp circuit, reminiscences.
6, networking theft-proof alarm according to claim 1 is characterized in that alarm sound device 5 is by four tones of standard Chinese pronunciation sheet KD9561, loudspeaker Y D4-1, Sheffer stroke gate F
7, F
6, voltage controlled oscillator, amplifier, emitter follower form.
7, networking theft-proof alarm according to claim 1 is characterized in that detector 6 is by probe T, electric bridge, recognizer, isolator, anti-jamming circuit, magnetic switch K
7Form.
8, networking theft-proof alarm according to claim 7 is characterized in that magnetic switch K
7In magnet 10 and dried spring 11 respectively stationary installations make it to combine as a whole in the both sides of shell 13, insert iron plate 12 therebetween.
9, networking theft-proof alarm according to claim 1 is characterized in that Crypto Control Unit 7 is by 2-10 carry counting system device Ic
7, four high guaily unit Ic
4-3, Ic
4-4, indicating circuit, delay circuit, anti-jamming circuit, lockout circuit and button AN
1~AN
9, plugs and sockets CK
1~CK
19Form.
10, networking theft-proof alarm according to claim 1 is characterized in that the under-voltage indicating device 9 of power supply and battery is by four high guaily unit Ic
1-3, Ic
1-4, integrated regulator MC7806, identification circuit, indicating circuit, hummer control circuit form.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92238632 CN2131150Y (en) | 1992-10-30 | 1992-10-30 | Connecting-netted anti-theft alarm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92238632 CN2131150Y (en) | 1992-10-30 | 1992-10-30 | Connecting-netted anti-theft alarm |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2131150Y true CN2131150Y (en) | 1993-04-28 |
Family
ID=33779578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 92238632 Expired - Fee Related CN2131150Y (en) | 1992-10-30 | 1992-10-30 | Connecting-netted anti-theft alarm |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2131150Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104888451A (en) * | 2015-06-23 | 2015-09-09 | 陈丽珍 | Anti-cheating team game property |
CN110206588A (en) * | 2019-05-29 | 2019-09-06 | 武汉理工大学 | Underground mine safety management system for worker |
-
1992
- 1992-10-30 CN CN 92238632 patent/CN2131150Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104888451A (en) * | 2015-06-23 | 2015-09-09 | 陈丽珍 | Anti-cheating team game property |
CN110206588A (en) * | 2019-05-29 | 2019-09-06 | 武汉理工大学 | Underground mine safety management system for worker |
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