CN201270081Y

CN201270081Y - Household audio video type safety protection automatic prompt apparatus

Info

Publication number: CN201270081Y
Application number: CNU2008200120412U
Authority: CN
Inventors: 王澄宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-10
Filing date: 2008-04-10
Publication date: 2009-07-08
Anticipated expiration: 2018-04-10

Abstract

The utility model relates to a household audio-visual safety defending device with automatic alerting, which comprises a door panel, a door frame, a lock case, a door lock bolt and a key slot; a touch illuminating bulb is arranged at the key slot and connected with a touch unlocking alarming circuit; an unlocking touch switch is arranged inside the lock case and connected with an unlocking voice-alerting circuit; a door-opened button is arranged at an upper right corner inside the door panel and connected with a door-opened voice-alerting circuit; a leaving touch switch is arranged between the lock case and the door lock bolt and connected with a leaving audio-visual alerting circuit; a card slot is arranged on the door frame, and a locking touch switch is arranged inside the card slot and connected with a locking voice-alerting circuit; and a picture and text alerting lamp is arranged on the inner surface of the door panel. The household audio-visual safety defending device with automatic alerting has the advantages of simple structure, convenience, practicability, wide application, safety and reliability, and the like.

Description

Home audio-visual formula safety precaution automatic prompting device

Technical field the utility model relates to a kind of household electronic prompting device, especially a kind of home audio-visual formula safety precaution automatic prompting device.

Background technology in daily life, some often take place owing to accident, the disaster forgotten, negligence causes, for example: inlet/outlet leaves behind key, do not extract key after opening the door, door is not closed tight, gas-cooker gas leakage, neglect locking the door or the like, brings very big harm for people's lives and properties.Trace it to its cause, lack necessary sound prompt device and make it basic.And though the prompting device that possesses sound prompt function is arranged in the market, be not applied in the family, exist sorry.

The summary of the invention the purpose of this utility model is to overcome above-mentioned deficiency, and a kind of home audio-visual formula safety precaution automatic prompting device is provided.

For achieving the above object, the utility model home audio-visual formula safety precaution automatic prompting device comprises door-plate, doorframe, lock box, box bolt, key hole, and lock box is in the door-plate inboard, and key hole is in the door-plate outside; On key hole, install to touch lighting bulb, touch lighting bulb and the touch warning circuit of unblanking and link to each other; At the inner touch switch that opens the door of installing of lock box, the shell fragment in the lock box can contact with the touch switch that opens the door, and the touch switch that opens the door links to each other with the voice warning circuit that opens the door; In the inboard upper right corner of door-plate the button of not closing the door is installed, button is not closed voice warning circuit tight and is linked to each other with going out; The touch switch of going out is installed between lock box and box bolt, and the touch switch of going out links to each other with the audiovisual prompting pause button and the audiovisual cue circuit of going out; Draw-in groove is offered in corresponding lock box dead bolt external part position on doorframe, and the touch switch of locking a door is installed in draw-in groove, and the touch switch of locking a door links to each other with the voice warning circuit of locking a door; At the door-plate inner surface texts and pictures warning light is installed, in-built lighting lamp, photoresistance, surface rendering has literal, figure; In bedroom and kitchen audiovisual prompting warning circuit is installed respectively.

After adopting said structure, when the user went home to open the door, when hand-held key touched key hole metal position, the lighting bulb of key hole top is starter at once, illuminates keyhole, for the user provides the bright condition of opening the door.After the user opened the door, the shell fragment in the lock box was subjected to displacement, the touch switch closure of opening the door this moment, and the voice warning circuit that opens the door is started working, and sounds and reminds the user to pull out key, avoids forgeing.When people turnover is opened the door, if shut the door after you overlong time or door are not closed tight, go out this moment and do not close voice warning circuit tight and start working, the voice reminder user is taken place in time to shut up the door carefully.When leaving home to go out, need stir box bolt, and when stirring latch, will certainly touch the touch switch of going out, and make its closure, the audiovisual cue circuit meeting sounding of going out this moment, bright lamp are reminded user's points for attention.When locking a door outdoors, after stretching, touches dead bolt the touch switch and make its closure of locking a door in the doorframe, make the voice warning circuit conducting of locking a door, inform that user's door locks.The people gos out or does not need audiovisual when prompting if see a visitor out, and can press audiovisual prompting pause button, and circuit is quit work, treat a few minutes after the audiovisual cue circuit will automatically reset.And warning circuit is pointed out in the audiovisual that is installed in bedroom and kitchen, and when turning off the light on that night, warning circuit lacks illumination and enters duty, and sounds simultaneously and remind the user to take care.

The utility model has the advantages that: simple in structure, convenient and practical, be widely used, safe and reliable, technology is reasonable, can point out the user to be noted in each link, avoids dangerous generation, effectively improves the security of user's person property.

Description of drawings

Fig. 1 is the unblank circuit diagram of warning circuit of the touch of the utility model home audio-visual formula safety precaution automatic prompting device.

Fig. 2 is the circuit diagram of the voice warning circuit that opens the door of the utility model home audio-visual formula safety precaution automatic prompting device.

Fig. 3 is the circuit diagram of going out the audiovisual prompting and suspending circuit of the utility model home audio-visual formula safety precaution automatic prompting device.

Fig. 4 does not close the circuit diagram of voice warning circuit tight for going out of the utility model home audio-visual formula safety precaution automatic prompting device.

Fig. 5 is the circuit diagram of the voice warning circuit of locking a door of the utility model home audio-visual formula safety precaution automatic prompting device.

Fig. 6 is the bedroom of the utility model home audio-visual formula safety precaution automatic prompting device, the circuit diagram of kitchen audiovisual cue circuit.

Fig. 7 is the power supply adaptor circuit diagram of the utility model home audio-visual formula safety precaution automatic prompting device.

Fig. 8 is the one-piece construction synoptic diagram of the utility model home audio-visual formula safety precaution automatic prompting device.

Fig. 9 is the door-plate external structure of the utility model home audio-visual formula safety precaution automatic prompting device.

Embodiment as shown in Figure 8, the utility model home audio-visual formula safety precaution automatic prompting device comprises door-plate 1, doorframe 2, lock box 3, box bolt 4, key hole 5, lock box 3 is in door-plate 1 inboard, key hole 5 is in door-plate 1 outside; On key hole 5, install to touch lighting bulb 6, touch lighting bulb 6 and the touch warning circuit of unblanking and link to each other; At the lock box 3 inner touch switch 7 that open the door of installing, the shell fragment 8 in the lock box 3 can contact with the touch switch 7 that opens the door, and the touch switch 7 that opens the door links to each other with the voice warning circuit that opens the door; In the inboard upper right corner of door-plate 1 button 9 of not closing the door is installed, button 9 is not closed voice warning circuit tight and is linked to each other with going out; The touch switch 10 of going out is installed between lock box 3 and box bolt 4, and the touch switch 10 of going out links to each other with the audiovisual prompting pause button 13 and the audiovisual cue circuit of going out; Draw-in groove is offered in corresponding lock box 3 dead bolt external part positions on doorframe 2, and the touch switch 11 of locking a door is installed in draw-in groove, and the touch switch 11 of locking a door links to each other with the voice warning circuit of locking a door; At door-plate 1 inner surface texts and pictures warning light 12 is installed, in-built lighting lamp, photoresistance, surface rendering has literal, figure; In bedroom and kitchen audiovisual prompting warning circuit is installed respectively.

Circuit analysis is as follows:

As shown in Figure 1: touch the warning circuit of unblanking.

The Darlington compound transistor amplifying circuit that this group prime is made up of two positive-negative-positive transistor VT9 and VT10-2SC9015.This circuit has high enlargement factor.Because its enlargement factor equals the product of the enlargement factor of VT9 and VT10, and the single tube enlargement factor of VT9 and VT10 is all about in the of 200 times.So its magnification has 40,000 times approximately.When we stand in big ground, remove to touch door lock or hand and touch key switch door lock (touch continuously and be no more than 1 minute).Antitheft door also is installed in big ground, and circuit ground and antitheft door are connected and be connected big ground, are equivalent to human body and are connected with the ground wire of circuit.And touching door lock, staff just is equivalent to provide faint noise signal for circuit VT9-2SC9015 base stage, thereby make the bias current that produces forward at the corresponding levels, through nearly 40,000 times amplification of two Darlington compound transistor amplifying circuit VT9 and VT10-2SC9015, make triode VT10-2SC9015 saturation conduction.Load resistance R7-22K on the triode VT10-2SC9015 collector produces about 3V pressure drop.What the R7-22K load resistance adopted is potentiometer, and operating voltage and the sensitivity of the compound amplification switch circuit VT11 of level triode, VT12-2SC9014 is after this promptly chosen by potentiometer R7 slip center head.Arrow more upwards circuit sensitivity is high more.VT11, VT12 conducting like this, relay J 5 adhesives, contact 1-3 connects, contact 4-6 connects.Contact 1-3 connects, and lighting light emitting diode D1, D2 is the door lock illumination.Capacitor C5-100P is that anti-interference capacitor, resistance R 8-10K are transistor VT11-2SC9014 base stage current-limiting protection resistance.

As shown in Figure 2: voice warning circuit opens the door.

This contactor electric shock K5 is placed on antitheft door built-in lock inside.When the user opens the lock with the key (must open the lock with the key, additive method is unblanked not handy), the time of switch contact K5 conducting in short-term kind at several seconds zero point promptly disconnects, and the 6V supply voltage directly to the charging of electrolytic condenser C7-2.2 microfarad, promptly is full of immediately.The current limliting of 1M resistance R 11 and protective effect are with the compound amplification switch circuit VT15 of triode, VT16-2SC9014 and relay J 7 is opened and conducting.Sound circuit energising sounding: " door lock is opened, please take off key." electrolytic condenser C7-2.2 microfarad fill electricity, slowly discharge by 1M resistance R 11 and triode VT15 and VT16-2SC9014 emitter junction resistance, approximately through 10 second electrolytic condenser C7-2.2 microfarad fill electricity give out light substantially, suggestion voice stops.

As shown in Figure 3: the audiovisual of going out prompting and time-out circuit.

When hand touches when going out touch switch 10, touch switch in short-term moment connect the 6V supply voltage, give 2.2 microfarad electrochemical capacitor C2 charging, be full of rapidly.And by 1M resistance R 2 triode composite amplifier VT13, VT14-2SC9014 and relay J 2 are opened, sound circuit, texts and pictures light circuit start work simultaneously: " please be with door key, shut door and window, shut water, electricity, gas valve." being full of 2.2 microfarad electrolytic condenser C2 of electricity; the emitter junction by 1M resistance R 2, triode VT13, VT14-2SC9014 is intact with tele-release about 10 seconds of discharging over the ground; triode VT13, VT14 end, and relay J 2 dead electricity discharge, and voice, texts and pictures light circuit quit work.Suspend circuit: after pressing button, the 6V supply voltage is directly sent into 22 microfarad electrolytic condenser C1 charging, existing side by side, soon it is full of.This electrolytic condenser that is full of electricity is opened conducting by 1M resistor R 1 with triode VT1, VT2-2SC9014, relay J 1 energising adhesive, and relay J 1

contact

1,2 disconnects, and cuts off circuit.22 microfarad electrolytic condenser C1 emitter junction by 1M resistor R 1, triode VT1, VT2-2SC9014 in 100 seconds is intact with tele-release, and this circuit recovers former duty.

As shown in Figure 4: go out and do not close voice warning circuit tight.

This contactor button of not closing the door is installed in the door-plate upper right corner, when door is closing, 1,3 of this button is connected, triode VT5-2SC9014 base earth, the compound amplification switch circuit VT5 of triode, VT6-2SC9014 end, relay J 3 discharges, and relay J 3

contacts

1,3 are obstructed, and sound circuit not sounding quits work.When door was opened, 1,2 of the button of not closing the door was connected, and the 6V supply voltage charges to 80 microfarad electrolytic condenser C3 by 1M resistance R 3.Because 1M resistance R 3 resistances are bigger, the capacity of 80 microfarad electrolytic condenser C3 is also bigger, so need about 20 second time the voltage of electrolytic condenser C3 could be charged to 0.7V the compound amplification switch circuit VT5 of triode, VT6-2SC9014 are opened conducting, relay J 3 adhesives, contact 1,3 connects, sound circuit work: " door is not closed tight, please close the door." going on of not stopping, up to the user door to be closed tight, voice suggestion stops.

As shown in Figure 5: the voice warning circuit of locking a door.

The touch switch of locking a door of this circuit is installed in the doorframe draw-in groove.When not locking a door, the dead bolt indentation, contact 1,2 normal opens of the touch switch of locking a door, 2.2 microfarad electrolytic condenser C4 are connected on charging for a long time on the 6V power supply.When going out to lock a door, the dead bolt touch switch of will locking a door pushes 1,3 to, the 2.2 microfarad electrolytic condenser C4 that have been full of electricity pass through 1M resistance R 4 with the compound amplification switch circuit VT7 of triode, VT8-2SC9014 and relay J 4 conductings, open sound circuit energising sounding: " door locks, please take off key." 2.2 microfarad electrolytic condenser C4 discharge to ground by the emitter junction of 1M resistance R 4, triode VT7, VT8-2SC9014.About 10 seconds of discharge time.Sound circuit quits work after 10 seconds.

As shown in Figure 6: bedroom, kitchen audiovisual cue circuit.

NPN type triode VT1, VT2-2SC9014 form the compound amplification switch circuit of transistor, in order to the break-make of pilot relay J1.Control the switching voltage of triode VT1-2SC9014 base stage, derive from the last biasing resistance R1 of its 470K, be taken from the 6V supply voltage, and be controlled by biasing resistance---photoresistance R2 down.

When illumination was arranged, photoresistance R2 presented low-resistance, and this circuit all ends, and relay J 1 contact 4-6 is disconnected, and contact 4-5 is logical, and the 6V supply voltage is transferred to be full of electricity in short-term rapidly for C1-4.7 microfarad electrolytic condenser by relay J 3, and is stand-by.

During unglazed the photograph, photoresistance is high resistant, the whole conductings of this circuit, relay J 1 contact 4-5 is disconnected, and contact 4-6 is logical, has been full of 4.7 microfarad electrolytic condenser C1 of electricity, by 1M resistor R 3 the compound amplification switch circuit VT3 of transistor, VT4-2SC9014 are opened, turn-on relay J2, relay J 2 contact 1-3 connect, and sound circuit, texts and pictures light circuit start work simultaneously: " please door is locked, please be shut door and window, please shut the water power gas valve.”

At this moment, when relay J 1 contact 4-6 connects, disconnected relay J 1 contact 4-5,4.7 microfarad electrolytic condenser C1 ends of charge, discharging begins.Discharge time T from start to end depends on that the size of electrolytic condenser C1 capacity, size and triode VT3, the VT4-2SC9014 emitter junction characteristic of resistor R 3 resistances determine about 20 seconds of this circuit discharging time.The electricity that electrolytic condenser C1 is deposited has all been put, and sound circuit, texts and pictures light circuit quit work simultaneously.

Night, in the time of triode VT1, VT2, relay J 1 circuit turn-on, relay J 1 contact 1-3 connects, the 6V supply voltage is charged to 2200 microfarad electrolytic condenser C2 by 22K resistance R 4, approximately after 27 seconds, the compound amplification switch circuit VT5 of transistor, VT6-2SC9014 are opened, and relay J 3 contact 1-2 disconnect, and have cut off the power supply of sound circuit.

27 seconds time is depended on the characteristic of the emitter junction of the size of resistance R 4, electrolytic condenser C2 and triode VT5, VT6-2SC9014.

Reach several hours charging at night, electrolytic condenser C2 is full of soon.When daybreak or when illumination is arranged, 2200 microfarad electrolytic condenser C2, emitter junction by 1M resistor R 5 and triode VT5, VT6-2SC9014 discharges over the ground, because the value of resistor R 5 and electrolytic condenser C2 is all very big, so discharge time is about more than 3 hours.If at night turning on light of less than 3 hours arranged temporarily, sound circuit can not participate in work.Up to several hours daytime and even tens hours discharge, whole circuit enters the initialization state.

When relay J 5 adhesives, contact 1-3 in succession, when lighting light emitting diode D1, D2 and be the door lock illumination, contact 4-6 connects simultaneously, and supply voltage is charged to electrolytic condenser C6-220 microfarad by resistance R 9-1M.The 6V power supply charges to 220 microfarad electrolytic condenser by 1M resistance, and the accumulative total charging surpasses 60 seconds, and electrolytic condenser C6-220 microfarad is recharged the time of voltage rise to 0.7V, and on-off circuit VT13, VT14 and the J6 of back are opened, the alarm sounding.The contact 4-6 of relay J 6 is with the circuit self-locking, and alarm yowls and do not stop.Have only person to be used to turn the key in the lock or hand just can quit work by audiovisual prompting pause button alarm.

Claims

1, a kind of home audio-visual formula safety precaution automatic prompting device, comprise door-plate (1), doorframe (2), lock box (3), box bolt (4), key hole (5), it is characterized in that: lock box (3) is in door-plate (1) inboard, and key hole (5) is in door-plate (1) outside; Go up to install touch lighting bulb (6) at key hole (5), touch lighting bulb (6) and the touch warning circuit of unblanking and link to each other; At the inner touch switch (7) that opens the door of installing of lock box (3), the shell fragment (8) in the lock box (3) can contact with the touch switch that opens the door (7), and the touch switch that opens the door (7) links to each other with the voice warning circuit that opens the door; In the inboard upper right corner of door-plate (1) button (9) of not closing the door is installed, button (9) is not closed voice warning circuit tight and is linked to each other with going out; The touch switch (10) of going out is installed between lock box (3) and box bolt (4), and the touch switch of going out (10) links to each other with the audiovisual prompting pause button (13) and the audiovisual cue circuit of going out; Go up corresponding lock box (3) dead bolt external part position at doorframe (2) and offer draw-in groove, the touch switch (11) of locking a door is installed in draw-in groove, the touch switch of locking a door (11) links to each other with the voice warning circuit of locking a door; At door-plate (1) inner surface texts and pictures warning lights (12) are installed, in-built lighting lamp, photoresistance, surface rendering has literal, figure; In bedroom and kitchen audiovisual prompting warning circuit is installed respectively.