CN2722521Y - Indicator of alarming telephone - Google Patents

Abstract

The utility model relates to an indicating device of an alarming telephone, which is provided with a sender (A) and a receiver (B). A decoding circuit is arranged in the sender, the decoding circuit is connected to a telephone output circuit through a decoding on-off control circuit, the feeder ear of the decoding circuit is connected to a power supply through the decoding on-off control circuit, and the output end of the decoding circuit is connected to a transmitting power switch circuit, and is connected to the control end of the decoding on-off control circuit through a telephone discrimination switch circuit. A signal transmitting circuit is connected to the power supply through the transmitting power switch circuit, and the signal transmitting circuit is provided with a coding circuit, a modulating oscillation circuit, a radio frequency transmitting circuit and an antenna. The receiver is provided with a receiving antenna, a radio frequency receiver circuit, a modulation-demodulation circuit, a demoding circuit and a triggering switch circuit, the triggering switch circuit is connected to an indicator signal generating circuit, and the output end of the indicator signal generating circuit is connected to an alarm indicator lamp (9). When users dial a call box, through the indicator lamp installed on the door or the window on the site of the accident, the utility model can automatically send out alarm signals for rescuers to fast confirm the concrete position of the distress call.

Description

The indicating device of alarm call

Technical field

The utility model belongs to a kind of indicating device of alarm call.

Background technology

When people life or office location dial " 110 " report to the police or " 112 " ambulance call after, relevant department promptly should go to the scene at once, arrived the scene after, come out to scoop out as nobody, be difficult to judge the concrete place that sends an SOS sometimes.

Summary of the invention

The technical problems to be solved in the utility model provide a kind of can be when dialing the police emergency number, the automatic remote control alarm lamp is bright, indicates the indicating device of the alarm call of place of alarm.

The technical scheme that addresses the above problem is: the utility model is provided with the receiver (B) of conveyer (A) and band alarm lamp (9), described conveyer (A) is provided with phone connector (15), be provided with decoding circuit in the conveyer, the decoding circuit input is connected with the phone output circuit with the phone connector by the decoding switch control circuit, the feeder ear of decoding circuit connects power supply by the decoding switch control circuit, decoding circuit output one tunnel sending and receiving radio source switching circuit, the phone identification switch circuit of leading up to connects the switch control end of decoding switch control circuit, signal transmission circuit in the conveyer connects power supply by the emission power switching circuit, signal transmission circuit is provided with coding circuit, the modulation signal input of coding circuit output termination modulation oscillator circuit, the output termination radio-frequency transmissions circuit of modulation oscillator circuit, the radio-frequency transmissions circuit output end connects antenna; Described receiver (B) is provided with reception antenna, reception antenna output termination radio-frequency (RF) receiving circuit, radio-frequency (RF) receiving circuit output termination modulation-demodulation circuit, modulation-demodulation circuit output termination decoding circuit, switching circuit is sent out in the contact of decoding circuit output, the trigger switch circuit output end connects index signal generation circuit, index signal generation circuit output end indicator light taking alarm (9).

In the conveyer of such scheme: the function of decoding switch control circuit is the power supply that turns on and off decoding circuit under the control of phone output circuit and phone identification switch circuit; The function of decoding circuit is that the dialing of input is discerned, and different control signals is sent in the dialing of routine and the warning dialing of setting respectively; The function of phone identification switch circuit is to send switch controlling signal according to the output signal of decoding circuit to the decoding switch control circuit; The function of emission power switching circuit is the on/off according to the output signal control signal radiating circuit of decoding circuit; Coding circuit in the signal transmission circuit is to produce specific code signal, and the function of modulation oscillator circuit is to produce oscillator signal, and the code signal that is transfused to modulation, and the function of radio-frequency transmissions circuit is that the modulating oscillation signal is launched.In receiver: the function of radio-frequency (RF) receiving circuit is a received RF signal, the function of modulation-demodulation circuit is that the radiofrequency signal that will receive is removed modulation, be reduced into code signal, the function of decoding circuit is that control signal corresponding is discerned and sent to code signal, the trigger switch circuit function be under decoding circuit control, to produce the trigger switch signal, the function of index signal generation circuit is to produce AIS and indicate by indicator light.

Operation principle of the present utility model is: will be contained in the receiver of alarm lamp on the glass door and window, conveyer is connected with phone, under the hook state, the decoding switch control circuit of conveyer cuts out, conveyer is not worked, when taking telephone set, the phone output circuit sends signal (voltage reduction), connect the decoding switch control circuit of conveyer, the work of decoding circuit energized, the dialing signal of phone output is input to decoder, when dialing for the alarm signal set (as 110,112) time, decoder promptly sends enabling signal and connects the emission power switching circuit, makes the work of signal transmission circuit energized, the coding circuit of signal transmission circuit produces specific code signal, be input to modulation oscillator circuit, the radiofrequency signal that modulation oscillator circuit output is modulated by the specific coding signal is launched by radio-frequency transmissions circuit and antenna again; After the radio-frequency (RF) receiving circuit of receiver is received this modulated radio signal, be input to the modulation-demodulation circuit demodulation, code signal after demodulation is restored is input to decoding circuit, decoding circuit judges that this signal is behind the specific coding, send signal, start the trigger switch circuit, the trigger switch circuit sending signal, trigger index signal generation circuit working, and send AIS by the alarm lamp that is contained on the glass door and window, help external rescue personnel to seek the site of the accident, set specific coding can guarantee that receiver only just can send alarm signal when the signal that this specific coding conveyer sends is set receiving, and prevents false triggering.If the phone of dialing behind the off-hook is not an alarm signal, then decoder can not send the signal that starts the emission power switching circuit, signal transmission circuit is not worked, decoder sends the signal that is not alarm call simultaneously, make phone identification switch circuit output control signal, close the decoding switch control circuit, decoding circuit and power supply disconnect, quit work, make whole conveyer under off hook state, also be in off position.

The utility model can be when dialing the police emergency number, automatically send remote signal, make the indicator light that is contained on the door and window of the site of the accident send alarm signal, thereby be convenient to external rescue personnel and confirm the particular location of crying for help fast, and set coding circuit can be got rid of the alarm signal that other conveyer sends, the accuracy that raising is reported to the police.

Description of drawings

Fig. 1, the utility model circuit frame principle figure

Fig. 2, the utility model embodiment conveyer A circuit diagram

Fig. 3, the utility model embodiment receiver B circuit diagram

Fig. 4, the utility model embodiment conveyer A structural representation

The disassembled form figure of Fig. 5, conveyer A shown in Figure 4

Fig. 6, the utility model embodiment receiver B structural representation

The disassembled form figure of Fig. 7, receiver B shown in Figure 6

1-button S1 2-battery cover 3-face-piece 5-circuit board 6-drain pan 7-sucker 8-lens panel

9-alarm lamp 10-battery case 11-circuit board 12-drain pan 13-battery cover 14-button

15-phone connector 16-telephone wire connector

Specific embodiments

The structure chart of this routine conveyer A is seen Fig. 4, Fig. 5, which is provided with phone connector 15 and external telephone wire connector 16, physical circuit figure sees Fig. 2, C, D are external telephone wire link, E, F are the phone link, after external telephone wire and phone received C, D and E, F point respectively, even phone is connected with outside line, conveyer was connected with the phone output circuit simultaneously.

The decoding switch control circuit of conveyer is made up of switching tube Q2, Q5, Q8 and Q7, Q3, the rectification circuit formed by D1, D2, D3, D4 of the Q2 output circuit of answering the call wherein, Q2 output termination Q5 base stage, the Q5 collector electrode connects the Q8 base stage, the Q8 collector electrode connects the Q3 base stage, the Q3 collector electrode connects the Q7 base stage, and the Q7 emitter connects+the 9V power supply, forms the decoding switch control circuit;

Decoding circuit is made up of IC2 (MC8870) and IC3 (R911-01), and the Q8 collector electrode of decoding switch control circuit connects 2 pin of decoding circuit IC2 by coupling capacitance C4, forms the dialing input channel of decoding circuit;

Phone identification switch circuit is made up of thyristor Q9, and 13 pin of decoding circuit output IC3 connect the thyristor Q9 control utmost point, and Q9 is connected between the base stage and ground of Q3 in the decoding switch control circuit;

The emission power switching circuit is made up of Q4, Q6, the 12 pin sending and receiving radio source switching circuit Q4 base stages of decoding circuit output IC3, the Q4 collector electrode connects the base stage of Q6, switching tube Q6 is connected on+the 9V DC power supply circuit in, signal transmission circuit connects+the 9V DC power supply by Q6.

In signal transmission circuit, IC4 (2262) forms the coding circuit that can produce signal specific, its output 17 pin connect the modulation signal input of modulation oscillator circuit, it is the Q10 base stage, the radio-frequency transmissions circuit input end that modulation oscillator circuit output termination Q11 forms, radio-frequency transmissions circuit output end Q11 collector electrode meets antenna E1.

The operation principle of conveyer is: under hook state, the D1 that is connected with external telephone wire～D4 rectification circuit makes the Q2 conducting for the decoding switch control circuit provides power supply, and Q5, Q8 end, and whole conveyer is not worked.Under the off hook state, phone voltage is reduced to 6～12 volts by original 50～60 volts, the Q2 pipe ends, Q5, Q8 manages conducting, Q7, the Q3 conducting, make+9V power supply and decoding circuit connection, the radiofrequency signal of phone output is input to input 2 pin of decoding circuit IC2 by C4, when radiofrequency signal is 110 or 112 alarm signals of setting, IC3 output 12 pin output high level, the Q4 of emission power switching circuit, the Q5 conducting, make+9V DC power supply and signal transmission circuit connection, coding circuit IC4 produces the code signal of characteristic frequency, is input to oscillating circuit Q10 base stage, modulate the radiofrequency signal that this circuit produces, the radiofrequency signal after the modulation is launched through Q11 radio-frequency transmissions circuit and antenna.Behind the off-hook, if what dial is not the warning circuit of setting, decoder IC3 output 12 pin output low levels, the emission power switching circuit is not opened, and signal transmission circuit is not worked, the high level of output 13 pin of decoding circuit IC3 output simultaneously, make the thyristor Q9 conducting of phone identification circuit, Q3, Q7 end, and turn-off the decoder power supply, and whole conveyer is in off position.

This example in power supply switch tube Q6 two ends parallel connection hand push button S1, be installed on the conveyer housing, be parallel with the direct voltage testing circuit of being made up of voltage-stabiliser tube D5 integrated circuit (IC) 1 and switching tube Q1 at+9V DC power supply two ends, when direct voltage was lower than 6 volts, low-voltage indicator light D6 was promptly bright.

Receiver B structure is seen Fig. 6, Fig. 7, which is provided with the fixed part that can be connected with glass door and window, and this routine fixed part is two suckers 7 that are fixed on the receiver shell, and the negative-pressure adsorption that can utilize the sucker generation is on glass.The receiver housing is fastened with drain pan 12 by transparent panel 8 to be formed, and is the lamp plate that a plurality of alarm lamps 9 are installed in the transparent panel 8, can see through panel when indicator light is bright and send alarm signal.

Acceptor circuit is seen Fig. 3, form radio-frequency (RF) receiving circuit and modulation-demodulation circuit by Q3 and peripheral circuit, its output connects the amplifying circuit that IC2 (CD4069) forms by C10, amplification circuit output end 10 pin connect decoding circuit input 14 pin of being made up of IC3 (2272), decoding circuit output 17 pin and Q4, the trigger switch circuit input end that Q5 forms connects, the trigger switch circuit output end connects the index signal generation circuit triggers end of being made up of IC4 (GO-CE0911), IC4 output V0 pin connects and drives triode Q1, and Q1 output termination is by alarm lamp that D1～the D18 light-emitting diode is formed.

This receiver is provided with the low pressure indicating circuit, and testing circuit is arranged in the IC4, when supply voltage is lower than 4 volts, and the IC4 output LOW voltage, D19 is bright for the low pressure indicator light.

The operation principle of warning indicating circuit is: behind the modulated radio signal that Q3 reception conveyer sends, make its demodulation be recovered to the code signal of conveyer, be input to 1 pin of amplifying circuit IC2 through C10, export from 10 pin again, be input to 14 pin of decoding circuit IC3, if this code signal is specific coding, decoding circuit IC3 output 17 pin are output signal, through D21, be input to Q4 behind the C12 shaping filter, Q4 conducting, Q2 conducting, send the switch triggering signal, make IC4 work, from V0 pin output 1.2Hz square-wave signal, it is bright to amplify rear drive alarm lamp D1～D18 through Q1.

Claims (4)

1, the indicating device of alarm call, it is characterized in that: the receiver (B) that is provided with conveyer (A) and band alarm lamp (9), described conveyer (A) is provided with phone connector (15), be provided with decoding circuit in the conveyer, the decoding circuit input is connected with the phone output circuit with the phone connector by the decoding switch control circuit, the feeder ear of decoding circuit connects power supply by the decoding switch control circuit, decoding circuit output one tunnel sending and receiving radio source switching circuit, the phone identification switch circuit of leading up to connects the switch control end of decoding switch control circuit, signal transmission circuit in the conveyer connects power supply by the emission power switching circuit, signal transmission circuit is provided with coding circuit, the modulation signal input of coding circuit output termination modulation oscillator circuit, the output termination radio-frequency transmissions circuit of modulation oscillator circuit, the radio-frequency transmissions circuit output end connects antenna; Described receiver (B) is provided with reception antenna, reception antenna output termination radio-frequency (RF) receiving circuit, radio-frequency (RF) receiving circuit output termination modulation-demodulation circuit, modulation-demodulation circuit output termination decoding circuit, switching circuit is sent out in the contact of decoding circuit output, the trigger switch circuit output end connects index signal generation circuit, index signal generation circuit output end indicator light taking alarm (9).

2, the indicating device of alarm call according to claim 1 is characterized in that: described receiver (B) is provided with the fixed part that can be connected with glass door and window.

3, alarm call indicating device according to claim 2 is characterized in that: it is the sucker (7) that is fixed on the receiver shell that described receiver (B) is gone up the fixed part that can be connected with glass door and window that is provided with.

4, according to the indicating device of claim 1,2 or 3 described alarm calls, it is characterized in that: described receiver housing is fastened with drain pan (12) by transparent panel (8) to be formed, and is the lamp plate that alarm lamp (9) are installed in the transparent panel (8).

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