CN2146748Y

CN2146748Y - Alarm signal receiving and identifying device

Info

Publication number: CN2146748Y
Application number: CN 92243000
Authority: CN
Inventors: 吴春清
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-12-19
Filing date: 1992-12-19
Publication date: 1993-11-17
Anticipated expiration: 2002-12-19

Abstract

The utility model relates to a receiving and identifying device for an alarm signal, comprising a receiving host machine, an 8255 limiting surface card, a computer, a tabulator and a modulator. The utility model is characterized in that the receiving host machine is composed of a power supply, a signal reception unit and a signal transmission unit; direct current power supplies of +12V and +5V can be provided by the power supply to be served as the power supplies of the signal reception unit and the signal transmission unit; the alarm signal is received by the signal reception unit from the equipment of the telecommunication office and sent to the signal transmission unit after detected, enlarged and decoded, and finally the alarm signal is sent to the 8255 limiting surface card through the signal transmission unit.

Description

Alarm signal receiving and identifying device

The utility model relates to a kind of alerting signal and receives and judgment means.

For strengthening social security.The utility model can make the police learn the crime place rapidly when cases such as robbery, stealing take place, and in time prevents spreading or improving case-solving rate of crime and disaster.

Present case is: system that shortage one cover function is strong, the easy computer of installation is reported a case to the security authorities automatically.And when merit took place, the personnel of the police can't learn the crime place immediately, therefore influenced case-solving rate, can not in time check disaster or crime.

The purpose of this utility model is to provide a kind of alerting signal to receive and judgment means, can learn the crime place rapidly after the incident and the purpose that reaches antitheft, take precautions against natural calamities.

The utility model provides a kind of alerting signal to receive and judgment means, comprising receiving main frame, 8255 interface card, computing machine, printer and modulator, it is characterized in that: receive main frame and be made up of power supply, signal receiving unit and signal transmission unit; Power supply is made of rectification, filtering circuit, can provide+12V and+direct supply of 5V is as the power supply of signal receiving unit and signal transmission unit; Signal receiving unit then is because detection, amplification and demoder are formed, and it can will deliver to signal transmission unit after alerting signal detection, amplification and the decoding; Signal transmission unit is made up of programmable peripheral integrated circuit, one chip microcomputer chip and transmission gate, by signal transmission unit alerting signal is passed to 8255 interface card, reaches on the computer screen curtain again, is printed by list of Printers simultaneously; After machine took a decision as to whether misoperation as calculated again, alerting signal was sent to modulator accurately.

Advantage of the present utility model is, in the joint defence system that uses reception of the utility model alerting signal and judgment means, through the alerting signal that modulator sends, deliver to the detuner in public security bureau's equipment, through receiving conversion, and this alerting signal is presented on the computer screen of public security bureau, also have simultaneously a list of Printers to print, therefore, the operator on duty of public security bureau can learn the crime place rapidly, the scene is rushed towards in notice field personnel, to check crime or disaster.

Below by most preferred embodiment and accompanying drawing the utility model is described in detail, in the accompanying drawing:

Fig. 1 is to use the calcspar of the joint defence system of reception of the utility model alerting signal and judgment means.

Fig. 2 is the calcspar of the reception main frame in reception of the utility model alerting signal and the judgment means.

Fig. 3 is the circuit diagram of the power supply in the reception main frame described in Fig. 2.

Fig. 4 is the circuit diagram of the signal receiving unit in the reception main frame described in Fig. 2.

Fig. 5 is the circuit diagram of the signal transmission unit in the reception main frame described in Fig. 2.

See also the calcspar of Fig. 1 for use joint defence of the present utility model system; The joint defence system is made up of resident family's equipment 1, telecommunication bureau's equipment 2, the reception of the utility model alerting signal and judgment means 3 and public security bureau's equipment 4 four most institutes; Wherein, include sensor 10, main frame 12, phone 14 and alarm 16 in resident family's equipment 1, and sensor 10 can adopt antitheft or fire prevention element such as magnetic reed switch, infrared inductor, barred window detector, danger button, fire sensor, when sensor 10 is touched, then signal is input in resident family's main frame 12, resident family's main frame 12 not only can trigger alarm 16 and produce the alarm sound signal, and will spread out of alerting signal and receive and judgment means 3 by phone 14 by telecommunication bureau's equipment 2 simultaneously to alerting signal; This device 3 includes and receives main frame 30,8255 interface card 32, computing machine 34, printer 36 and modulator 38, when alerting signal is transmitted at the resident family place, received by receiving main frame, then the situation of the sensor 10 that promptly the resident family scene is touched by 8255 interface card 32 is shown on the computing machine 34 fireflies screen of Surveillance center, by printer 36 condition list is printed simultaneously, after taking a decision as to whether misoperation by computing machine 34 again, correct alerting signal is transferred to public security bureau's equipment 4 through modulator 38, telecommunication bureau's equipment 2; Including detuner 40, computing machine 42 and printer 44 in public security bureau's equipment 4 forms, when alerting signal inputs to public security bureau's equipment 4, at first receive conversion by detuner 40, then alarm condition is shown on computing machine 42 screens of public security bureau, also condition list is printed simultaneously with printer 44, so, the operator on duty of public security bureau arrives the spot with Wireless Note field personnel patrol party immediately, to check spreading of crime or disaster.

The utility model relate to that alerting signal in this joint defence system receives and judgment means in the design of reception main frame, at first seeing also Fig. 2 is the calcspar of the reception main frame in the utility model, and please cooperate and consult shown in Figure 1ly, receiving main frame 30, to include three of power supply 301, signal receiving unit 302 and signal transmission units 303 etc. partly main; Power supply 301 can provide respectively+12V and+direct supply of 5V is as the power supply of signal receiving unit 302 and signal transmission unit 303, signal receiving unit 302 then can receive the alerting signal that is transmitted by telecommunication bureau's equipment 2, and will export signal transmission unit 303 to after its amplification, the conversion, and alerting signal can be delivered to 8255 interface card 32 by the transmission of signal transmission unit 303, and finish all processes that receives alerting signal.

Seeing also Fig. 3 is the circuit diagram that receives the power supply of main frame in the utility model, and please cooperate shown in Figure 2, power supply 301 directly is connected to AC 110V AC power, after being AC+12V via transformer T3 step-down, pass through the filtering of capacitor C 31 simultaneously through bridge rectifier D 5 rectifications again, and provide the direct supply of DC+12V, after the AC power of AC 110V is AC+9V via another group transformer T2 step-down, via bridge rectifier D 4 rectifications is the filtering of DC+9V while through capacitor C 30, and, make the Vcc end that DC+5V is provided dc power supply by the IC-1 voltage stabilizing.

Please consult simultaneously again Fig. 4 and shown in Figure 5 be respectively to receive the signal receiving unit of main frame and the circuit diagram of signal transmission unit in the utility model, and please cooperate shown in Figure 2, sign+12V and Vcc place in signal receiving unit 302, and in signal transmission unit 303 all IC power supply (+5V) all provide by power supply 301; Please cooperate again consult shown in Figure 1, before telecommunication bureau's equipment 2 is given reception of the utility model alerting signal and judgment means 3 via telephone wire transmission alerting signal, at first import a Stand by signal from 8255 interface card via 1A1～2A4 end of the IC-7 of one-way transmission, and but signal is exported to A1～A8 end of the IC-6 of transmitted in both directions by 1Y1～2Y4 end of IC-7, and the transmission path direction of control IC-6 is to be finished by IC-9, and IC-9 is the transmission path direction according to the input signal control IC-6 of 8255 interface card, in other words, when 8255 interface card desires are imported Stand by signal to signal transmission unit 303, the transmission path direction that it is inevitable select to set IC-6 is for from A1～A8 to B1～B8, and IC-6 will export P1.0～P1.7 of IC-5 to via B1～B8 end after receiving Stand by signal, IC-5 is an one chip microcomputer chip, after its inner relevant procedures and information computing, when confirming that 8255 interface card are the state of noble potential (High), can receive the alerting signal that telecommunication bureau's equipment 2 transmits, and the DB.0～DB.7 that makes IC-5 sends the D0～D7 that controls signal to IC-4, IC-4 is the programmable peripheral integrated circuit, it is exported into state and controls by the IC-5 decision and via IC10, IC-5 was that to make PC0～PC7 of IC-4 be noble potential output and received main frame 30 for spendable state and wait for the outer signals input with the shinny demonstration of driving LED this moment, and the PA7 of IC-4 end is output as noble potential so that signal receiving unit 302 can receive the alerting signal that telecommunication bureau's equipment 2 is imported into.

As Fig. 1 and Fig. 4 and shown in Figure 5, when resident family's equipment 1 has alerting signal to produce and through telecommunication bureau's equipment 2 is delivered to reception main frame 30 in the utility model with telephone wire after, at first with entering signal receiving element 302, in signal receiving unit 302, alerting signal will be converted to direct current signal via bridge rectifier D 1, and make relay (RELAY) by excitatory via detecting of photo-coupler 3011, and the contact K1 of relay (RELAY) is closed, so alerting signal entering signal receiving element 302, at carrier wave through transformer T1, the amplification of amplifying circuit 3012, after the detection of detecting circuit 3013, sending into the ANLIN end of demoder IC-3 decodes, it is digital signal that IC-3 can make the analog signal conversion of input, and export the PA0 of IC-4～PA7 end to via D0～D8, D0～D7 by IC-4 holds the DB.0～DB.7 that exports IC-5 to hold (information is imported with serial mode) again, wherein, IC-4 is the programmable peripheral integrated circuit, IC-5 then is the one chip microcomputer chip, its interior reservoir has the microprogram may command and selects the I/O port of IC-4 and produce appropriate control signals output, and aforementioned IC-5 will be stored in earlier among the ROM after receiving alerting signal, import fully until information, B1～B8(the information that exports IC-6 to by P1.0～P1.7 is exported with parallel mode again), this moment, the transmission path direction of IC-6 was by B1～B8 to A1～A8, so alerting signal will export 1A1～2A4 end of the IC-8 of another one-way transmission via A1～A8 end of IC-6 to, transport to 8255 interface card by its 1Y1～2Y4 end then, reception main frame 30 receives and the purpose of the information of transmission and reach, import for information about in the computing machine 34 and can make, to make further information relatively and judgement via the transmission of 8255 interface card.

Aforesaid one chip microcomputer chip IC-5 is after holding output to information via P1.0～P1.7, a signal is exported to IC-4 by DB.0～DB.7 D0～D7 will be sent, and export D0～D3 of IC-2 to through the PA0 of programmable peripheral integrated circuit (IC)-4～PA7 end, make TONE end output one feedback signal of IC-2, and export telecommunication bureau's equipment 2 to by telephone wire (TEL LINE), be transferred to resident family's equipment 1 by telecommunication bureau's equipment 2 again, make resident family's equipment 1 learn that alerting signal is received, does not send alerting signal and can heavily not cover again.

No matter during in the reception information or the information of transmission, its PC0～PC7 end can have the output of noble potential to programmable peripheral integrated circuit (IC)-4 in good time, receives the state of main frame 30 received signals with the shinny demonstration of driving LED; When shinny, representative receives main frame 30 ready-to-receive signals as the PC1 driving LED; And PC2 output noble potential is with driving LED when shinny, and representative receives main frame 30 the alerting signal input; When driving LED is shinny as for PC4, PC5, PC7 output noble potential, the alerting signal of representing IC-4 receiving IC-3 to be transmitted; When PC3 output noble potential and driving LED when shinny, i.e. representative receives the transmission that main frame 30 has been finished information at last; So from the demonstration situation of LED, we can be easy to learn the running status that receives main frame 30.

In sum, when resident family's equipment 1 imports alerting signal into the reception of the utility model alerting signal and judgment means 3 via telecommunication bureau's equipment 2,8255 interface card 32 be accepted and be sent to alerting signal will by receiving main frame 30, be shown on computing machine 34 screens by the situation of 8255 interface card 32 spot, by printer 36 condition list is printed simultaneously, and through computing machine 34 take a decision as to whether misoperation after, correct alerting signal will be by modulator 38, telecommunication bureau's equipment 2 transfers to public security bureau's equipment 4, and public security bureau's equipment 4 receives conversion by detuner 40 again, and alarm condition is shown on the screen of computing machine 42 of public security bureau, also condition list is printed simultaneously with printer 44, so, the operator on duty of public security bureau promptly arrives the spot with Wireless Note field personnel patrol party, to check spreading of crime or disaster.

Claims

1, a kind of reception of alerting signal and judgment means comprise receiving main frame, 8255 interface card, computing machine, printer and modulator, it is characterized in that: receive main frame and be made up of power supply, signal receiving unit and signal transmission unit; Power supply is made of rectification, filtering circuit, can provide+direct supply of 12V and+5V is as the power supply of signal receiving unit and signal transmission unit; Signal receiving unit then is made up of detection, amplification and demoder, with with alerting signal detection, amplification, and decoding after deliver to signal transmission unit, signal transmission unit is made of programmable peripheral integrated circuit, one chip microcomputer chip and transmission gate, by the design of integrated circuit and matching program control alerting signal is transferred to 8255 interface card.

2, receive and judgment means according to the described alerting signal of claim 1, it is characterized in that: the programmable peripheral ic output in the signal transmission unit is connected with display.