CN2311028Y - Household multifunctional prompting device - Google Patents

Household multifunctional prompting device Download PDF

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Publication number
CN2311028Y
CN2311028Y CN 97227562 CN97227562U CN2311028Y CN 2311028 Y CN2311028 Y CN 2311028Y CN 97227562 CN97227562 CN 97227562 CN 97227562 U CN97227562 U CN 97227562U CN 2311028 Y CN2311028 Y CN 2311028Y
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China
Prior art keywords
pin
circuit
signal
output
led
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Expired - Fee Related
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CN 97227562
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Chinese (zh)
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金丰奇
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Individual
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Individual
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Priority to CN 97227562 priority Critical patent/CN2311028Y/en
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Publication of CN2311028Y publication Critical patent/CN2311028Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a household multi-function prompting device. The utility model is characterized in that by using triggering comparison circuits IC 1: A and IC 2, a sensor switch K1 can output a low level signal to two steady state circuits IC 4: A and IC 4: B; one path can output a time-delayed signal of 3-4 seconds after one path passes through a time delay circuit, so a transistor T3 can be driven to cause a sounder SP to sound 3-4 seconds; the other path can output a time-delayed signal of 8-9 seconds after the other path passes through the time delay circuit, so a luminous diode can be driven to do luminescence action; at the same time, the IC 4: A also outputs the signal to trigger an IC 3 oscillator to use the oscillation frequency of 1-1.5Hz to drive a lamp bulb LAMP to flicker. The utility model is suitable for deaf mutes, blind men and ordinary people; by using the utility model, the deaf mutes, the blind men and the ordinary people in daily living can be prompted to do obligatory things in time before the these people get ready to do egression activity.

Description

Home-use multifunctional reminder
The utility model relates to a kind of home-use multifunctional reminder, belongs to the household electrical appliance class.
Along with the raising and the technical progress of living standards of the people, domestic electric appliances is more and more, and people's life and work also becomes fast pace.When people go out, usually can forget that shutoff appliances power source, jet and the fire hose are first-class, also can leave behind key sometimes, cause trouble and serious consequence to people.Current in various household electrical appliance, more is to be used for the burglar alarm prompting device, cacophonize, and electrical function is single, the requirement of the deaf-mute that is far from suitable, blind person and general people's daily life, work activities.
The purpose of this utility model is to overcome weak point of the prior art and provides a kind of and can adapt to the home-use multifunctional reminder that deaf-mute, blind person and general people use.
The purpose of this utility model can reach by following measure.
The home-use multifunctional reminder of the utility model mainly includes AC power transformation, rectification circuit, mu balanced circuit, and trigger circuit, comparator circuit, oscillatory circuit and delay circuit is characterized in that sensing switch K 1By trigger IC 1: A2 holds output signal, by IC 2LM311 and change element R outward 2, R 3, R 4The comparer that constitutes is relatively back at IC 2LM311A holds output low level, and low level is by IC 4: 9 pin of B74HC123 are input in the inner steady-state circuit, by peripheral cell R 9, C 6, D 3Under the time-lag action of the delay circuit that constitutes, from IC 4: the Q of B74HC123 holds the time delayed signal in 5 pin output 3-4 second to make transistor T 3Conducting drives sounder SP sounding 3-4 second, IC 2The low level signal of A end is also simultaneously by IC 4: 1 pin of A74HC123 is input in the inner steady-state circuit, by peripheral cell R 7, C 5, D 2Under the time-lag action of the delay circuit that constitutes, from IC 4: the Q of A74HC123 holds the 13 pin output 8-9 time delayed signal in second, makes transistor turns, and it is luminous to drive at least one LED, IC 4: the Q of A74HC123 holds also while output signal of 4 pin, drives trigger IC 1: B triggers, IC 1: the signal after B triggers is exported by 4 ends, from IC 3The input of 555 time base circuits, 4 pin removes to control IC 3555 and outward element R 5, C 2, C 3The oscillatory circuit that constitutes is from IC 3The oscillator signal of 5553 pin output 1-1.5HZ triggers via trigger, and the signal after the triggering makes transistor T 1Conducting or end drives the frequency scintillation of bulb LAMP with 1-1.5HZ.
The feature of above-mentioned prompting device is that also the AC rectification constant voltage dc source is 8V, and output terminal connects switch S 12 pin, switch S 11 pin connect the positive pole of direct supply BT, the minus earth of BT.At transistor T 3The C utmost point is to doorbell switch K is set between the ground 2Transistor T 2The C utmost point to power supply V CCBetween be connected in parallel to prompting and turn-off jet, running water switch, electric switch, do not forget to carry 55 LEDs of key and other items 1, LED 2, LED 3, LED 4, LED 5
The utility model has following advantage compared to existing technology:
(1) this multifunctional reminder is installed after, have the multiple cue of the concrete symbolic prompting of flash light prompting, voice or prompting of other sound equipment and light emitting diode to occur at once once opening the door when people go out, the prompting people go to finish the item that this is done.
(2) can adapt to the needs of deaf-mute, blind person and general people's daily daily life live and work outdoor activity.
(3) can doublely do the usefulness of doorbell.
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing thereof.
Fig. 1 is circuit theory diagrams of the present utility model.
In Fig. 1, power supply be adopt AC transformation, rectification, after voltage stabilizing with the DC-voltage supply of 8V, also can adopt dry cell batteries BT power supply, the middle switch S that uses 1Conversion.The minus earth of direct supply BT.Switch S 1Centre pin meets V CC, 1 pin connects direct supply BT positive pole, and 2 pin connect AC rectification stabilized voltage supply+8V output terminal.
Multifunctional reminder circuit and AC power regulator rectifier circuit can be installed on the circuit board.Make printed circuit board (PCB) earlier, then circuit component is welded on the circuit board by the circuit theory diagrams connection.
The annexation of each element is as follows in the circuit:
K 1Be sensing switch, can be installed on the door.K 1Be connected in parallel on capacitor C 1Two ends, capacitor C 1One end ground connection, other end connecting resistance R 1One end and trigger IC 1: 1 end of A, R 1Another termination V CCThe 8V power supply, IC 1: the 2 termination IC of A 2The negative terminal of LM311, IC 2The anode of LM311 connects R 2And R 3, R 3Other end ground connection, R 2Another termination power V CC, IC 2The LM311f point meets power supply V CC, G point ground connection is from V CCConnect a resistance R 4, R 4Another termination IC 2The output terminals A of LM311, output terminals A one road is connected to IC 4: 1 pin of A74HC123, IC 4: 2,3 pin of A74HC123 meet V CC, 15 pin meet peripheral cell diode D 2Negative terminal, D 2Anode connect electrochemical capacitor C 5Positive pole and resistance R 7One end, C 5Minus earth, R 7Another termination power V CCIC 4: the 14 pin ground connection of A74H123, IC 4: the output terminal Q13 pin of A74HC123 connects resistance R 8One end, R 8The other end connects transistor T 2The b utmost point, T 2E utmost point ground connection.The C utmost point respectively and sending and receiving optical diode LED 1, LED 2, LED 3, LED 4, LED 5Negative terminal, the anode of light emitting diode is series resistor R respectively 11, R 12, R 13, R 14, R 15An end, V CCThen and R 11, R 12, R 13, R 14, R 15The other end mutually and connect.IC 4: the Q of A74HC123 holds 4 pin to meet trigger IC 1: 3 ends of B, IC 1: 4 ends of B connect IC 34 pin of 555 time base circuits, IC 3555 7,8 pin meet V CC, V CCConnecting resistance R 5One end, R 5Another termination IC 3555 2,6 pin, and meet electrochemical capacitor C 2Positive pole, C 2Minus earth, IC 35551 pin ground connection are connected in series capacitor C between 5 pin and the ground 3Another road of IC2LM311A end output is connected to IC 4: 9 pin of B74HC123.IC 4: 10,11 pin of B74HC123 meet power supply V CC, 6 pin ground connection, 7 pin meet diode D 3Negative pole, D 3Positive pole meet electrochemical capacitor C 8Positive pole and resistance R 9An end, C 6Minus earth, R 9Another termination V CC, IC 4: the Q of B74HC123 holds 5 pin connecting resistance R 10, R 10Another termination transistor T 3The b utmost point, T 3E utmost point ground connection, the c utmost point connects the D end of sounder SP, the K termination V of SP CCIn addition, T 3The c utmost point and ground between also be connected in series K switch 2

Claims (4)

1. a home-use multifunctional reminder mainly includes AC power transformation, rectification circuit, mu balanced circuit, and trigger circuit, comparator circuit, oscillatory circuit and delay circuit is characterized in that sensing switch K 1By trigger IC 1: A2 holds output signal, by IC 2LM311 and change element R outward 2, R 3, R 4The comparer that constitutes is relatively back at IC 2LM311A holds output low level, and low level is by IC 4: 9 pin of B74HC123 are input in the inner steady-state circuit, at peripheral cell R 9, C 6, D 3Under the time-lag action of the delay circuit that constitutes, from IC 4: the Q of B74HC123 holds the time delayed signal in 5 pin output 3-4 second to make transistor T 3Conducting drives sounder SP sounding 3-4 second, IC 2The low level signal of A end is also simultaneously by IC 4: 1 pin of A74HC123 is input in the inner steady-state circuit, by peripheral cell R 7, C 5, D 2Under the time-lag action of the delay circuit that constitutes, from IC 4: the Q of A74HC123 holds the 13 pin output 8-9 time delayed signal in second, makes transistor turns, and it is luminous to drive at least one LED, IC 4: the Q of A74HC123 holds also while output signal of 4 pin, drives trigger IC 1: B triggers, IC 1: the signal after B triggers is exported by 4 ends, from IC 3The input of 555 time base circuits, 4 pin removes to control IC 3555 and outward element R 5, C 2, C 3The oscillatory circuit that constitutes is from IC 3The oscillator signal of 555 3 pin output 1-1.5HZ triggers via trigger, and the signal after the triggering makes transistor T 1Conducting or end drives the frequency scintillation of bulb LAMP with 1-1.5HZ.
2. prompting device according to claim 1 is characterized in that the AC rectification constant voltage dc source is 8V, and output terminal connects switch S 12 pin, switch S 11 pin connect the positive pole of direct supply BT, the minus earth of BT.
3. according to claim 1 and 2 described prompting devices, it is characterized in that at transistor T 3The C utmost point is to doorbell switch K is set between the ground 2
4. prompting device according to claim 3 is characterized in that transistor T 2The C utmost point to power supply V CCBetween be connected in parallel to prompting and turn-off jet, running water switch, electric switch, do not forget to carry 5 LEDs of key and other items 1, LED 2, LED 3, LED 4, LED 5
CN 97227562 1997-10-09 1997-10-09 Household multifunctional prompting device Expired - Fee Related CN2311028Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97227562 CN2311028Y (en) 1997-10-09 1997-10-09 Household multifunctional prompting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 97227562 CN2311028Y (en) 1997-10-09 1997-10-09 Household multifunctional prompting device

Publications (1)

Publication Number Publication Date
CN2311028Y true CN2311028Y (en) 1999-03-17

Family

ID=33940932

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97227562 Expired - Fee Related CN2311028Y (en) 1997-10-09 1997-10-09 Household multifunctional prompting device

Country Status (1)

Country Link
CN (1) CN2311028Y (en)

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee