CN2750387Y - Electronic help caller - Google Patents

Abstract

The utility model relates to an electronic help caller which comprises a power supply, a manual power switch, a power supply electronic switch, a power supply holding circuit, a timing shutdown circuit and an alarm circuit, wherein the manual power switch is connected in a bridge connection mode to the power supply electronic switch, the output end of the timing shutdown circuit is connected with the power supply holding circuit, the alarm circuit is at least composed of an alarm sound integrated circuit and an acoustic horn, and the output end of the alarm sound integrated circuit is connected with the acoustic horn through a drive circuit. The utility model can send out help calling sound in time when old people or patients are sick so that the old people or the patients can be aided in time; the caller can not only send out big help calling sound, but also transform the content of the sound, which is easy to draw the attention of people and does not suddenly give sound which is big enough to shock people.

Description

A kind of electronics rescue beacon

Technical field

The utility model relates to a kind of electronics rescue beacon, and particularly a kind of the elderly of being used for and patient are at the rescue beacon of in case of emergency seeking to succour.

Background technology

At present China has entered aging society, and the elderly accounts for more than 10% of total population number more than 60 years old, and this ratio also rises continuing, and China also has the chronic disease patients such as cardiovascular and cerebrovascular of one, 200,000,000 all ages and classes sections in addition.The elderly and patients' maximum characteristics are that physique is weak, self care ability is relatively poor.Above-mentioned crowd in the ordinary course of things, can the layman after the morbidity, the treatment of seeking medical advice under kith and kin's the help, but under special circumstances, as urgent morbidity particularly when falling ill night, wake or notify the household to ask for help certain difficulty is just arranged, because patient perhaps can not talk or speak aloud this moment, can not walk about.In the city, the commercial residential buildings building is that several bedrooms separate, and old man and the people of children family locellus are lived.In the rural area, the old men and the people of children family live with institute's locellus, and old man who also has and the people of children family stay in two courtyards respectively.Like this, just exist patient in this room, to have an attack of one's old illness, bedroom, next door or situation about can't know with the bride's side, courtyard people.Particularly in the Urban House building, through finishing, the better bedroom of sound insulaton performance, air-conditioned room is installed, and old man and household divide to live under the situation of the Supreme People's Court and the Supreme People's Procuratorate in the rural area, and the purpose that calling for help person seeks to succour just is difficult to reach more.Owing to call for help inoperative, the best opportunity that will affect treatment adversely because of not succoured timely, quite a few patient has stayed sequelae because fail in time to be given treatment to, brought pressure and misery for patient self and family, some people even dead because fail in time to be given treatment to.In fact, the major part that these stay the philtrum of sequelae and death if can access timely treatment, can alleviate the seriousness of sequelae fully even can avoid staying sequelae, and the people who loses one's life also can get off in safe survival.Can as can be seen, can patient in time be given treatment to, depend on fully in time remind or notify patient's people of children family or other staff that it is in time sent to hospital the help of treatment and so on reliably.Can remind and notify the household timely and effectively after patient's sudden onset thus, be the key factor place of decision patient's PD and result of treatment, or even determine the key that can patient survive.

In general, the state of an illness of urgent outbreak might be the more serious state of an illness more.The method that the elderly commonly used at present and patient in case of emergency call for help has following several: 1, community's salvage system is installed.2, with phone to kith and kin or 120, salvors such as 110 emergency.3, relief electric bell or other sound equipments are installed and are called for help utensil.4, patient calls out household's subvene loudly.Above method all is subjected to condition restriction: " safe and comfortable logical " community's salvage system equipment in the 1st kind of method such as Beijing " 999 first-aid centre " and Shanghai City can only could use at this city, and domestic other areas can't be used.The 2nd kind and the 4th kind of method are the operable in the ordinary course of things methods of patient, but under the situation of urgent morbidity, patient has felt bad to such an extent that lethargy is called out loudly, walked about, can not call, perhaps forgotten the telephone number that will dial, perhaps put through can not talk behind the phone or said unclear oneself situation and required.Also having one is, only old man oneself has a telephone set and an independent telephone number, because have at one family under the situation of one or more telephone set that uses in parallel, get though can throw at ordinary times, but many telephone sets of a number can not be put through between mutually among the own home, and this will influence the effect of reminding children household.Though the 3rd kind of method has the people to adopt, but this method has certain shortcoming, and sound is little, is difficult to cause household's attention, does not reach the purpose of timely relief, particularly night man more be difficult to cause that the household notes and affects adversely treatment opportunity when people sleep soundly.A loud sound suddenly frightens one to the people and jumps greatly, particularly makes the people frightened easilier at night, so in general family, old man, women, children are particularly arranged in the family and have multiple chronic disease patients' such as cardiovascular and cerebrovascular disease family to be unwilling to use.

Also having some other problem: if 1, can not shout after morbidity with the unmarried old man of children's community life, can not walk about again, even the nearly next door of its children household room is difficult to also know that the old man has fallen ill.2, with children's community life or separately life old Mr. and Mrs, chummage even bed inhabitation together, back hearing, eyesight, reaction capacity have all descended because they are getting in years, even one of them old man's morbidity, because he can not shout, lethargy big-movement again sometimes also differs and surely my old man is waken.3, the family that lives by oneself of unmarried old man, old man call for help at the back of falling ill, and it is just more difficult to obtain relief.4, there are nurse or household to look after old man's family specially,, when particularly sleep soundly night, also differ and surely nurse is waken even nurse and old man's chummage can not be shouted when the old man falls ill.When 5, the elderly or patient fell ill sometimes, the household not necessarily stayed at home, even the call device of electric bell and so on is installed, can affect the state of an illness adversely too at home.6, call for help in a riot of sound environment, such as in the environment of sound equipments such as television on machine, sound of call for help is easy to be covered.7, the sound of call for help that how to guarantee calling for help person carries out according to the relief program: i.e. the contubernal family of old man and patient and household, and should allow the household know earlier, implement relief nearby as early as possible.When the head of a family stays out, or the household also can make other people know when calling for help sound reactionless (as reasons such as the household are drunk, overtired), succoured by the kith and kin beyond the household or neighbours etc., obtains the reliability of succouring to improve.

Summary of the invention

The purpose of this utility model provides a kind of can in time sending and calls for help sound so that the electronics rescue beacon that in time obtains succouring when the elderly or patient fall ill.

The further purpose of the utility model be make rescue beacon can send big calling for help sound, and can conversion sound content, come into the picture easily, can not send the frightful device of loud noise suddenly again, and under the elderly and patient and the contubernal situation of household, even tame people stay out, the electronics rescue beacon that can obtain to succour too.

For achieving the above object, the technical solution adopted in the utility model is: this electronics rescue beacon comprises power supply, manual power switch, power electronic switch and holding circuit, timing shutdown circuit and warning circuit, manual power switch is connected across on the power electronic switch, the output terminal of timing shutdown circuit is connected with the power supply holding circuit, warning circuit is made up of chimes of doom integrated circuit and loudspeaker at least, and the output terminal of chimes of doom integrated circuit connects loudspeaker through driving circuit.

Described power electronic switch and holding circuit are by Schmidt trigger IC1-3, capacitor C 5, resistance R 11～R14, triode T2, T1, diode D6 forms, capacitor C 5 one ends are connected with ground, the other end is connected with Schmidt trigger IC1-3 input end, Schmidt trigger IC1-3 output terminal is connected with triode T2 base stage by resistance R 12, the collector of triode T2 is connected with triode T1 base stage by resistance R 13, the emitter of triode T2 is by diode D6 ground connection, the emitter of triode T1 is connected with positive source, collector is connected with warning circuit, and manual power switch AN1 is connected between the triode T1 collector and emitter.

Also comprise a chimes of doom change-over circuit in the described warning circuit, by Schmidt trigger IC1-1, IC1-2, operational amplifier IC4-1, capacitor C 2, resistance R 2, R6 forms, Schmidt trigger IC1-1 output terminal and IC1-2 input end link, capacitor C 2 is connected between Schmidt trigger IC1-1 input end and the ground, resistance R 2 is connected between IC1-1 output terminal and the input end, resistance R 6 is connected between Schmidt trigger IC1-1 output terminal and the operational amplifier IC4-1 in-phase input end, Schmidt trigger IC1-2 output terminal is connected with chimes of doom integrated circuit (IC) 5 positive power source terminals, operational amplifier IC4-1 output terminal is connected with inverting input and is connected with music integrated circuit IC6 positive power source terminal, the output terminal of the output terminal of chimes of doom integrated circuit (IC) 5 and music integrated circuit IC6 connects diode D3 respectively, the positive pole of D4, D3, after being connected, the negative pole of D4 is connected with triode T5 base stage, the collector of triode T5 is connected with loudspeaker Y D1 one end, and the loudspeaker Y D1 other end is connected with positive source.

Described timing shutdown circuit becomes IC circuit 2 and external resistor and capacitor component thereof to form by the oscillatory meter manifold, the output terminal of IC2 is connected with Schmidt trigger IC1-3 input end by resistance R 10, diode T5, and Schmidt trigger IC1-3 output terminal is connected with triode T2 base stage by resistance R 12.

Described rescue beacon also comprises a phone electronics device for sending SOS automatic starting circuit, by Schmidt trigger IC1-4, IC3-1, IC3-2, triode T6, T7, capacitor C 7, resistance R 22～R26, LED 3, relay J 1 is formed, Schmidt trigger IC1-4 input end is connected with Schmidt trigger IC1-3 output terminal, its output terminal is connected with triode T6 base stage by resistance R 22, triode T6 collector connects positive source, emitter is connected with Schmidt trigger IC3-1 input end, Schmidt trigger IC3-1 input end connects capacitor C 7 one ends simultaneously, capacitor C 7 other end ground connection, Schmidt trigger IC3-1 output terminal is connected with Schmidt trigger IC3-2 input end, be connected with triode T7 base stage by resistance R 24 simultaneously, triode T7 collector is connected with relay J 1, be connected with LED 3 by resistance R 26 simultaneously, Schmidt trigger IC3-2 output terminal is connected with electric contact C by resistance R 25, electric contact C and earth point D are the startup contact of phone electronics device for sending SOS, the contact S of relay, T is external electric bell power switch.

Rescue beacon also comprises voltage detection circuit, external line break detection circuit of loudspeaker Y D1 and fault be the sound alert circuit intermittently, voltage detection circuit is by voltage comparator ic 4-4, resistance R 17, R18, R20, R27, diode D8, D9 and LED 1 are formed, diode D8, D9 and resistance R 17 are in series and are connected between positive source and the ground, the anodal tie point with resistance R 17 of diode D8 connects the in-phase input end of voltage comparator ic 4-4, the inverting input of voltage comparator ic 4-4 is connected on the mid point of resistance R 18 and R20 series circuit, voltage comparator ic 4-4 output terminal is by resistance R 27 sending and receiving optical diode LED3, the external line break detection circuit of loudspeaker Y D1 is by IC4-3, R19, R21, R28, LED2 forms, R19, R21 forms its mid point of series connection bleeder circuit and connects voltage comparator ic 4-3 inverting input, its in-phase input end connects the tie point of diode D8 and resistance R 17, another termination loudspeaker Y D1 of resistance R 19 and the tie point between the T5 collector, voltage comparator ic 4-3 output terminal is by resistance R 28 sending and receiving optical diode LED2, fault sound alert circuit at intermittence is by voltage comparator ic 4-2, Schmidt trigger IC3-3, IC3-4, capacitor C 9, diode D12, D13, resistance R 30, R31 forms, voltage comparator ic 4-4, the output terminal of IC4-3 is connected to diode D11 respectively, D10, diode D11, the D10 negative pole and connect after connect voltage comparator ic 4-2 in-phase input end, its inverting input connects the tie point of diode D8 and resistance R 17, output termination Schmidt trigger IC3-3 input end, be connected to resistance R 31 between another input end of Schmidt trigger IC3-3 and output terminal, on the resistance R 31 and be connected with the series circuit of diode D12 and resistance R 30, Schmidt trigger IC3-3 output termination Schmidt trigger IC3-4 input end, Schmidt trigger IC3-4 output terminal is through diode D13 sound taking alarm integrated circuit (IC) 7 positive power source terminals, IC7 output termination triode T8 base stage, triode T8 collector loudspeaker Y D2 taking alarm, the collector of triode T1 is by diode D14 sound taking alarm integrated circuit (IC) 7 positive power source terminals.

Rescue beacon also comprises an automatic power supply switch circuit of being made up of triode T3, capacitor C 6, resistance R 15, R16, diode D7, connect triode T3 base stage from the extraneous signal of contact R input by capacitor C 6 and resistance R 15, the emitter and collector homopolarity of triode T3 and triode T2 is connected in parallel.

Manual power switch also comprises manual pullswitch.

Good effect of the present utility model is: under the prerequisite that 1, at assurance electronics rescue beacon loud and clear sound is arranged, can wake the people from sleep soundly reliably, this machine also has start back sound of call for help transit time in 8～15 ascending seconds, avoid because of the suddenly big sound of loudspeaker, particularly ring suddenly and make the people frightened, so general family can both accept at night.2, after patient starts hand switch, rescue beacon is started working, except the calling for help wave volume is ascending gradually, also using musical sound and alarm song multiple sound such as (or language) calls for help to patient household by turns loudly, can significantly improve the calling for help effect, particularly improve the calling for help effect under the noisy situation of environment.3, the loudspeaker that produce sound of call for help are to guide in other rooms or in other families and in other courtyards by line, if line disconnection fault, the test section branch of machine intimate in time detects, and points out to owner with sound and light signal disconnection fault has taken place, and must repair at once.4, machine shutdown automatically after the schedule time of start 5 minutes or 10 minutes.5, before predetermined distress period finishes, if there are not subvenes such as children household, machine intimate is provided with C point signal output part, output signal automatically starts a kind of phone electronics device for sending SOS work of installing in addition by connecting line, automatically the phone of emergency authorities such as calling for help person's multidigit kith and kin and 120 is carried out that multipass is dialed and broadcast the emergency of recording language automatically.Make these kith and kin and emergency authorities personnel come calling for help person as soon as possible at one's side, improved the reliability of relief.6, if do not have a telephone installed the electronics device for sending SOS in the elderly and the patients home, this rescue beacon also is provided with electrical contact switch, if before the distress period of rescue beacon finishes, there is not children household's subvene, machine will start controlled electric bell by electric contact, (can be installed in one is connected in several neighbour's or with the salvage service of residential quarter the multiple calling for help electrical appliance equipment of electric light or signal transmssion line control, the effect of electric contact is the same with an electric switch), urgent need when staying out for the moment in order to calling for help person household is by neighbours or community, voluntary service personnel provide salvage service.7, this rescue beacon can be accepted extraneous signal control, starts power work automatically.Can calling for help loudspeaker be installed the neighbour's and be installed in rescue beacon in the machine.When the predetermined distress period of rescue beacon finishes, still do not have under the situation of household's subvene, can try every possible means calling for help person is succoured by the neighbour's automatically by C end output signal deactivation neighbour's's rescue beacon work.Automatic power supply switch can also be accepted the control of electronic device that the elderly and patient's health status is monitored, in case patient is unusual, starts rescue beacon automatically and notifies the household to succour.Also can be connected, transfinite, start rescue beacon work automatically, remind the user to note in case detect certain value with the multiple sensors subsequent conditioning circuit.Also can accept the control of signals such as wired, wireless, mechanical electrical switch, be used for industry, agricultural, service sector and daily productive life.8,, can be installed in loudspeaker close together, concern preferably in neighbours, the friend family by line, so that in time obtain relief after calling for help for the unmarried old man who lives by oneself.

Description of drawings

Fig. 1 is the circuit theory diagrams of an embodiment of the utility model;

Fig. 2 is the circuit theory diagrams of interchange, DC dual-purpose uninterrupted power source.

Embodiment

The electronics rescue beacon comprises power supply, manual power switch, power electronic switch and holding circuit, timing shutdown circuit and warning circuit, manual power switch is connected across on the power supply holding circuit, the output terminal of timing shutdown circuit is connected with the power supply holding circuit, warning circuit is made up of chimes of doom integrated circuit and loudspeaker at least, and the output terminal of chimes of doom integrated circuit connects loudspeaker through driving circuit.Wherein, warning circuit can also comprise the chimes of doom change-over circuit, and alarm sound can be changed between two kinds of alarm sounds such as musical sound and alarm song.In addition, rescue beacon can comprise that also phone electronics device for sending SOS during unmanned subvene of when shutdown (be another can by the outside device of emergency of phone) waits the automatic starting circuit of equipment, so that can outwards cry for help automatically by phone when unmanned subvene.Rescue beacon also can comprise intermittently sound alert circuit of voltage detection circuit, the external line break detection circuit of loudspeaker and fault, so that supply voltage and loudspeaker connection status are detected, and occurring in time finding and send alarm sound when supply voltage is crossed low and loudspeaker line generation disconnection fault.Circuit diagram below in conjunction with an embodiment of the present utility model is elaborated.

As shown in Figure 1, power electronic switch and holding circuit are by Schmidt trigger IC1-3, capacitor C 5, resistance R 11～R14, triode T2, T1, diode D6 forms, capacitor C 5 one ends are connected with ground, the other end is connected with Schmidt trigger IC1-3 input end, Schmidt trigger IC1-3 output terminal is connected with triode T2 base stage by resistance R 12, the collector of triode T2 is connected with triode T1 base stage by resistance R 13, the emitter of triode T2 is by diode D6 ground connection, the emitter of triode T1 is connected with positive source, collector is connected with warning circuit, and manual power switch AN1 is connected between the triode T1 collector and emitter.Manual power switch also comprises manual pullswitch.Eletric button switch AN1 and pullswitch all are connected in parallel on W, X two contacts, W, X contact are pulled out lead-in wire to be come, a plurality of eletric button switches and pullswitch can be connected in parallel, be installed in respectively in bedroom, the head of a bed, parlor, kitchen, balcony, toilet and the courtyard, make calling for help person in case morbidity, can use nearby, press any one eletric button or any one pullswitch of leaving behind can start rescue beacon work.That a kind of (can use common electric light pullswitch repacking back) that pullswitch is selected the energising of leaving behind for use, loosed one's grip and cut off the power supply.When calling for help person presses eletric button AN1 or after the pullswitch K2 of leaving behind keeps supplying electricity for T1 left side circuit, six Schmidt trigger IC1 (CD40106) also obtain power supply, at this moment, because the IC1-3 input end is not pulled to electronegative potential because of capacitor C 5 obtains charging, the output noble potential, provide electric current to make the T2 conducting for the T2 base stage by R12, thereby make also and then conducting of T1, guarantee that T1 left side circuit continues to obtain power supply.Even this moment, AN1 and K2 disconnected, keep power supply state also for T1 left side circuit by the general supply electronic switch that elements such as T1 are formed always.

Rescue beacon also can comprise an automatic power supply switch circuit of being made up of T3, C6, R15, R16, D7, and extraneous signal contact R connects triode T3 base stage by capacitor C 6 and resistance R 15, and the emitter and collector homopolarity of triode T3 and triode T2 is connected in parallel.As voltages such as wired, wireless, the sensor subsequent conditioning circuit of external far and near distance or mechanical electrical switch be higher than 4 volts, the time, rescue beacon was started automatically when being longer than 0.5 second signal input, its effect with press AN1 with hand or the K2 of leaving behind is the same.The purpose of using C7 is that to avoid extraneous signal be when importing greater than 4 volts signal for a long time, and rescue beacon can not shut down automatically.The automatically actuated effect of rescue beacon has three: 1, be subjected to extraneous signal control Auto Power On, can accept the transfinite control of automatic output signal of the morbidity monitor signal output of the disease electronic sensor monitoring kind equipment that patient self wears or a certain monitoring value, report to the police to children household by rescue beacon, ask for help.2, put a rescue beacon at calling for help person's head of a bed, loudspeaker are placed on another bedroom, put the rescue beacon of a loudspeaker Y D1 in machine neighbours or other people family, before the rescue beacon timing of the head of a bed finishes, when not having the household to help, hold the signal of output to be sent to R, the D end of the automatically activated signal input of the rescue beacon that is put into the neighbour's by C, D, remind neighbours to try every possible means to take the relief measure.3, nearer, unmarried preferably old man who lives by oneself of relation in two addresses or patient, a rescue beacon can be installed separately at home, loudspeaker are installed among the Fan family, loudspeaker are installed in the 3rd tame neighbours or friend family separately are contained in rescue beacon in the machine, the automatically activated signal line is moved automatic startup input end R, D two ends in the 3rd family and own corresponding rescue beacon to, arbitrary old man calls for help, the people of another one old man and the 3rd family can know, subvene has improved the reliability that obtains relief.

Also comprise a chimes of doom change-over circuit in the warning circuit, by Schmidt trigger IC1-1, IC1-2, operational amplifier IC4-1, capacitor C 2, resistance R 2, R6 forms, Schmidt trigger IC1-1 output terminal is connected with the IC1-2 input end, capacitor C 2 is connected between Schmidt trigger IC1-1 input end and the ground, resistance R 2 is connected between the IC1-1 input and output side, resistance R 6 is connected between Schmidt trigger IC1-1 output terminal and the operational amplifier IC4-1 in-phase input end, Schmidt trigger IC1-2 output terminal is connected with chimes of doom integrated circuit (IC) 5 positive power source terminals, operational amplifier IC4-1 output terminal is connected with inverting input and is connected with music integrated circuit IC6 positive power source terminal, the output terminal of the output terminal of chimes of doom integrated circuit (IC) 5 and music integrated circuit IC6 is connected diode D3 respectively, the positive pole of D4, D3, after being connected, the negative pole of D4 is connected with triode T5 base stage, the collector of triode T5 is connected with loudspeaker Y D1 one end, and the loudspeaker Y D1 other end is connected with positive source.IC1-1, C2, R2 form an oscillator in the circuit, because C2 moves the IC1-1 input end to electronegative potential, make IC1-1 output noble potential after start, give noble potential of in-phase input end input of IC4-1 (IC4 is four high guaily unit LM324) by R6.Because IC4-1 is connected into the voltage follower state, output also is noble potential, gives music integrated circuit IC6 power supply.Become noble potential after the C2 of IC1-1 input end is full of electricity, output terminal is an electronegative potential, and IC4-1 also exports electronegative potential, and IC6 quits work because of can not get power supply.Simultaneously, the IC1-2 input end that is connected with the IC1-1 output terminal is an electronegative potential, and output terminal is a noble potential, gives the chimes of doom integrated circuit (IC) 5 power supplies.Because the continuous conversion of the output terminal current potential of oscillator makes IC5, IC6 obtain powered operation in turn.After IC5, IC6 obtained power supply in turn, outputting music sound and two kinds of voice signals of chimes of doom were delivered to the T5 base stage by the OR circuit that D3, D4, R7 form respectively, promote loudspeaker YD1 and sound after T5 amplifies.The effect of T4 and R3, R4, R5 is for after the one section music that guarantees IC6 output intactly put, just R2 is charged to C2.The conversion of oscillator output potential, the also and then conversion of sound kind that loudspeaker Y D1 is emitted, the Y on loudspeaker Y D1 both sides, Z end is external line terminal.

Loudspeaker Y D1 draws from Y, Z two contacts by backguy and is installed to other bedrooms, room or other courtyards or neighbour's, and backguy can adopt common lamp cord to get final product.Loudspeaker can adopt one 8 ohm moving-coil loudspeaker or two 4 ohm loudspeaker to be connected in series, and two 4 ohm loudspeaker can be installed in two places respectively.Loudspeaker can use small-sized audio amplifier.

Start back calling for help musical sound control circuit from small to large is made up of C3, D1, D2, R6, IC4-1, IC1-1 output noble potential after start, noble potential is provided for the in-phase input end of IC4-1 by R6, the voltage follower that IC4-1 is formed sends the music sound of call for help to the power supply of IC6 music integrated circuit.But because the existence of C3, at first charge to C3 by D2 by the electric current that R6 delivers to the IC1-1 in-phase input end from the IC1-1 output terminal in the start back, voltage on the C3 is slowly risen, thereby the IC4-1 output voltage is also and then slowly risen, the supply voltage that IC6 obtains also slowly rises, the music signal electric current of IC6 output also slowly rises, and after amplifying through T5, the wave volume that sends from loudspeaker Y D1 also is big from little slow change.The numerical values recited of R6 and C3 has determined length transit time that sound is ascending, is 8～15 second time in the present embodiment.The acting as of the D2 voltage that is filled on the C3 of back of avoiding starting shooting gives the IC4-1 supplying power for input end always, is not subjected to the oscillator output potential to control buffer action.The shutdown back that act as of D1 provides a discharge loop to C3.

Timing shutdown circuit becomes IC circuit 2 and external resistor and capacitor component R8, R9, C4 to form by the oscillatory meter manifold, the output terminal of IC2 is connected with Schmidt trigger IC1-3 input end by resistance R 10, diode T5, and Schmidt trigger IC1-3 output terminal is connected with triode T2 base stage by resistance R 12.Timing working time length is determined that by the numerical value of R9 and C4 present embodiment was selected for use 5 minutes.Timing finishes, IC2 exports noble potential, charge for the C5 in the start power supply holding circuit by R10, D5, make the IC1-3 input end become noble potential, output terminal becomes electronegative potential, at this moment gives the current vanishes of T2 base stage by R12, T2 ends, T1 also ends, and T1 left side circuit shuts down rescue beacon because of can not get power supply automatically, quits work.The effect of timing circuit has two: 1, guarantee to have the distress period of certain-length to cause that the household notes and regularly distress period end back shutdown automatically.2, the layman back that hears a call for help arrives calling for help person at one's side the time, if timing does not finish, the household will press AN2 forces machine to quit work.If but timing finishes the subvene of having no talent before, and press AN2 and shut down, rescue beacon will start outside calling for help circuit automatically, seeks relief to other kith and kin or neighbours.

Rescue beacon also comprises voltage detection circuit, external line break detection circuit of loudspeaker Y D1 and fault be the sound alert circuit intermittently, voltage detection circuit is by voltage comparator ic 4-4, resistance R 17, R18, R20, R27, diode D8, D9 and LED 1 are formed, diode D8, D9 and resistance R 17 are in series and are connected between positive source and the ground, the anodal tie point with resistance R 17 of diode D8 connects the in-phase input end of voltage comparator ic 4-4, the inverting input of voltage comparator ic 4-4 is connected on the mid point of resistance R 18 and R20 series circuit, the R18 other end, R20 other end ground connection, the IC4-4 output terminal is by resistance R 27 sending and receiving optical diode LED3.Send an electric current by R17 to D8, D9, D8, D9 utilize its forward voltage drop to form about one 1.1 volts constant voltage reference voltage source, are input to the in-phase input end of IC4-4.Form a series connection bleeder circuit by R18, R19, mid-point voltage is delivered to the inverting input of IC4-4, the mid-point voltage that these two resistance form is along with the height of supply voltage changes, because IC4-4 is connected into the voltage comparator state, when supply voltage is between 6 volts～4.5 volts, the IC4-4 output terminal is an electronegative potential, when supply voltage was lower than 4.5 volts, IC4-4 exported noble potential, provided an electric current to make LED1 luminous by R27 to LED1, pilot cell wears, and this has been changed.Simultaneously, noble potential is given the OR circuit output noble potential of being made up of D10, D11, R29 and is given the IC4-2 in-phase input end.

The external line break detection circuit of loudspeaker Y D1 is made up of IC4-3, R19, R21, R28, LED2, R19, R21 form its mid point of series connection bleeder circuit and connect voltage comparator ic 4-3 inverting input, its in-phase input end connects the tie point of diode D8 and resistance R 17, tie point between resistance R 19 1 termination loudspeaker Y D1 and the T5 collector, voltage comparator ic 4-3 output terminal is by resistance R 28 sending and receiving optical diode LED2.Form the series connection bleeder circuit by R19, R21, mid-point voltage is delivered to the inverting input of IC4-3, and 1.1 volts reference voltage is delivered to the in-phase input end of IC4-3.IC4-3 is connected into the voltage comparator state.When the external line of loudspeaker Y D1 was intact, the mid-point voltage of R19, R21 was higher than 1.1 volts, and IC4-3 exports electronegative potential.In case the external line of loudspeaker Y D1 disconnects, the mid-point voltage of R19, R21 is an electronegative potential, and IC4-3 exports noble potential, makes LED2 luminous for electric current of LED2 by R28, and the external line broken string of indication loudspeaker needs to repair line.The noble potential of IC4-3 output terminal is given the OR circuit of being made up of D10, D11, R29 simultaneously, exports a noble potential and gives the IC4-2 in-phase input end.

Fault sound alert circuit at intermittence is by voltage comparator ic 4-2, Schmidt trigger IC3-3, IC3-4, capacitor C 9, diode D12, D13, resistance R 30, R31 forms, voltage comparator ic 4-4, the output terminal of IC4-3 is connected to diode D11 respectively, D10, diode D11, the D10 negative pole and connect after connect voltage comparator ic 4-2 in-phase input end, its inverting input connects the tie point of diode D8 and resistance R 17, output termination Schmidt trigger IC3-3 input end, be connected to resistance R 31 between another input end of Schmidt trigger IC3-3 and the output terminal, be parallel with the series circuit of diode D12 and resistance R 30 on the resistance R 31, Schmidt trigger IC3-3 output termination Schmidt trigger IC3-4 input end, Schmidt trigger IC3-4 output terminal is through diode D13 sound taking alarm integrated circuit (IC) 7 positive power source terminals, IC7 output termination triode T8 base stage, triode T8 collector loudspeaker Y D2 taking alarm, the collector of triode T1 is by diode D14 sound taking alarm integrated circuit (IC) 7 positive power source terminals.IC4-2 is connected into the voltage comparator state, if cell voltage is normal at ordinary times, when the external line of loudspeaker is also intact, the OR circuit that D10, D11, R29 form is output as electronegative potential, be lower than 1.1 volts of reference voltages, the output terminal of IC4-2 also is an electronegative potential, make the input end of IC3-3 also be electronegative potential, the oscillator of being made up of IC3-3, D12, R30, R31 quits work, IC3-3 exports noble potential, and IC3-4 exports electronegative potential, and chimes of doom integrated circuit (IC) 7 is not worked owing to obtaining power supply, T8 does not work yet, and loudspeaker Y D2 does not ring.When loudspeaker Y D1 external line generation disconnection fault or take place battery with old fault after, D10, D11, the OR circuit output noble potential that R29 forms, be higher than 1.1 volts of reference voltages, make the IC4-2 output terminal also be noble potential, the oscillator of compositions such as IC3-3 is started working, because D12, the effect of R30, make the noble potential time of oscillator output far be shorter than the time of exporting electronegative potential, inverting function by IC3-4, making IC7 obtain one worked for 1 second, the working method of having a rest for 30 seconds, make T8 and YD2 work 1 second, stopped ringing 30 seconds, such purpose is in order to reduce power consumption, and the effect that resistance R 32 is connected with YD2 also is in order to reduce power consumption.The start sound instruction circuit is powered to IC7 by D14 when the circuit supply of its left side by start back T1, makes IC7 and T8 work, but sounding rings but not intermittent for long, tells calling for help person that the work of calling for help begins.Loudspeaker Y D2 can use 8 ohm a little bit smaller moving-coil loudspeaker of bore, be installed in the machine because rescue beacon indicating fault and start indication sound is a little bit smaller also can meet the demands, so in loudspeaker Y D2 circuit resistance in series R32, to reduce power consumption.

Phone electronics device for sending SOS automatic starting circuit when rescue beacon also comprises still unmanned subvene before the shutdown, by Schmidt trigger IC1-4, IC3-1, IC3-2, triode T6, T7, capacitor C 7, resistance R 22～R26, LED 3, relay J 1 is formed, Schmidt trigger IC1-4 input end is connected with Schmidt trigger IC1-3 output terminal, its output terminal is connected with triode T6 base stage by resistance R 22, triode T6 collector connects positive source, emitter is connected with Schmidt trigger IC3-1 input end, Schmidt trigger IC3-1 input end connects capacitor C 7 one ends simultaneously, capacitor C 7 other end ground connection, Schmidt trigger IC3-1 output terminal is connected with Schmidt trigger IC3-2 input end, be connected with triode T7 base stage by resistance R 24 simultaneously, triode T7 collector is connected with relay J 1, be connected with LED 3 by resistance R 26 simultaneously, Schmidt trigger IC3-2 output terminal is connected with electric contact C by resistance R 25, electric contact C and earth point D are the startup contact of device for sending SOS, the contact S of relay, T is external bell switch contact.Before arriving the timing working end when not opening device for sending SOS and behind the startup device for sending SOS, because the IC1-3 input end is an electronegative potential always, the output noble potential, make IC1-4 output electronegative potential, T6 ends, IC3-1 input electronegative potential output noble potential, T7 ends, not adhesive of J1, IC3-2 exports electronegative potential, and the C point is also exported electronegative potential.When timing finishes, IC2 charges to the defeated people's noble potential of IC1-3 input end and to C5 by R10, D5, make IC1-3 input noble potential, the output electronegative potential, IC1-4 input electronegative potential output noble potential provides electric current to make the T6 conducting by R22 to the T6 base stage, charge to C7, make IC3-1 input noble potential, the output electronegative potential, IC3-2 exports noble potential.At this moment, provide electric current to make T7 conducting by R24 to the T7 base stage from the IC3-1 output terminal, the J1 adhesive makes 2 closures of S, T, and external power supply is by 2 external connection electrical apparatus work such as closed drive electric bell of S T.Simultaneously, the noble potential of IC3-2 output arrives contact C by R25, make C, D two output terminals that the output of one voltage signal be arranged, the family of phone electronics device for sending SOS is installed in the family, can carry out signal circuit with it connects, send an automatically activated signal to phone electronics device for sending SOS, phone electronics device for sending SOS is started working, call and send out automatically emergency sound by telephone system from emergency authorities multipass such as trend calling for help person's multidigit kith and kin and 120 and cry for help, make multidigit kith and kin and emergency authorities personnel come calling for help person as early as possible at one's side.After the timing distress period finished shutdown, IC1-4 made T6 end because of base stage can not get electric current because of being stopped power supply, and C7 stops charging and discharges by R23.After the voltage on the C7 was through 10 second discharge offs, IC3-1 exported noble potential, and T7 is ended, and J1 discharges, and S, T two ends disconnect, and electric bell etc. quit work.IC3-2 exports electronegative potential, and C point output signal stops.The length of the working time of electric bell etc. and C point signal output time is by the numerical value decision of R23 and C7.

Interchange, DC dual-purpose uninterrupted power supply circuit figure that Fig. 3 uses for rescue beacon.After adopting Alternating Current Power Supply, by 220 volts: 12 volts of transformer B give rectifier bridge D16 power supply, and D16 exports after C11 filtering, through integrated regulator IC8 (7806) voltage stabilizing, exports a stable voltage and powers to rescue beacon.Dry cell batteries E powers to rescue beacon incessantly by D15 after AC outage.Use acting as of D15 to prevent that IC8's exports to the dry cell batteries damage dry cell that ceaselessly charges.K1-1, K1-2 are the interlock power switch.

Each combinational circuit in the embodiment of this electronics device for sending SOS can also replace with multiple circuit and method, such as:

1, the square-wave generator of being made up of IC1-1, R2, C2 can use the square-wave generator of other various ways to replace.

2, the voltage follower of being made up of elements such as IC4-1 can use triode emitter voltage follower form and other any type of various output voltages to follow the input change and the circuit replacement of load capacity enhancing.

3, the timing circuit of being made up of elements such as IC2 can use the timing of other various ways or delay circuit to replace.

4, after the timing of being made up of IC3-1, IC3-2, T6, T7 etc. finishes, accept the subsequent control signal output apparatus of timing end signal control and the electrical work circuit of subsequent conditioning circuit control, can use multiple other circuit to replace: the circuit as monostalbe trigger and trigger flip-flop or other form replaces.

5, chimes of doom integrated circuit (IC) 5 and musical sound integrated circuit (IC) 6 and chimes of doom integrated circuit (IC) 7 all can be changed as language integrated circuit, simulated sound integrated circuit or recording integrated circuit or the like sound-producing integrated circuit to replace according to actual needs.

6, can change R9 into potentiometer form or a plurality of resistance series connection multi-gear switch form, be used for regulating according to actual needs the usefulness of selecting timing length.

Be a better embodiment of the present utility model shown in above Fig. 1,2, the physical circuit among the figure can not limit protection domain of the present utility model.

Claims (8)

1, a kind of electronics rescue beacon, it is characterized in that, it comprises power supply, manual power switch, power electronic switch and holding circuit, timing shutdown circuit and warning circuit, manual power switch is connected across on the power electronic switch, the output terminal of timing shutdown circuit is connected with the power supply holding circuit, warning circuit is made up of chimes of doom integrated circuit and loudspeaker at least, and the output terminal of chimes of doom integrated circuit connects loudspeaker through driving circuit.

2, electronics rescue beacon as claimed in claim 1, it is characterized in that, power electronic switch and holding circuit are by Schmidt trigger IC1-3, capacitor C 5, resistance R 11～R14, triode T2, T1, diode D6 forms, capacitor C 5 one ends are connected with ground, the other end is connected with Schmidt trigger IC1-3 input end, Schmidt trigger IC1-3 output terminal is connected with triode T2 base stage by resistance R 12, the collector of triode T2 is connected with triode T1 base stage by resistance R 13, the emitter of triode T2 is by diode D6 ground connection, the emitter of triode T1 is connected with positive source, collector is connected with warning circuit, and manual power switch AN1 is connected between the triode T1 collector and emitter.

3, electronics rescue beacon as claimed in claim 2, it is characterized in that, also comprise a chimes of doom change-over circuit in the warning circuit, by Schmidt trigger IC1-1, IC1-2, operational amplifier IC4-1, capacitor C 2, resistance R 2, R6 forms, Schmidt trigger IC1-1 output terminal and IC1-2 input end link, capacitor C 2 is connected between Schmidt trigger IC1-1 input end and the ground, resistance R 2 is connected between IC1-1 output terminal and the input end, resistance R 6 is connected between Schmidt trigger IC1-1 output terminal and the operational amplifier IC4-1 in-phase input end, Schmidt trigger IC1-2 output terminal is connected with chimes of doom integrated circuit (IC) 5 positive power source terminals, operational amplifier IC4-1 output terminal is connected with inverting input and is connected with music integrated circuit IC6 positive power source terminal, the output terminal of the output terminal of chimes of doom integrated circuit (IC) 5 and music integrated circuit IC6 connects diode D3 respectively, the positive pole of D4, D3, after being connected, the negative pole of D4 is connected with triode T5 base stage, the collector of triode T5 is connected with loudspeaker Y D1 one end, and the loudspeaker Y D1 other end is connected with positive source.

4, electronics rescue beacon as claimed in claim 3, it is characterized in that, timing shutdown circuit becomes IC circuit 2 and external resistor and capacitor component thereof to form by the oscillatory meter manifold, the output terminal of IC2 is connected with Schmidt trigger IC1-3 input end by resistance R 10, diode T5, and Schmidt trigger IC1-3 output terminal is connected with triode T2 base stage by resistance R 12.

5, electronics rescue beacon as claimed in claim 4, it is characterized in that, rescue beacon also comprises a phone electronics device for sending SOS automatic starting circuit, by Schmidt trigger IC1-4, IC3-1, IC3-2, triode T6, T7, capacitor C 7, resistance R 22～R26, LED 3, relay J 1 is formed, Schmidt trigger IC1-4 input end is connected with Schmidt trigger IC1-3 output terminal, its output terminal is connected with triode T6 base stage by resistance R 22, triode T6 collector connects positive source, emitter is connected with Schmidt trigger IC3-1 input end, Schmidt trigger IC3-1 input end connects capacitor C 7 one ends simultaneously, capacitor C 7 other end ground connection, Schmidt trigger IC3-1 output terminal is connected with Schmidt trigger IC3-2 input end, be connected with triode T7 base stage by resistance R 24 simultaneously, triode T7 collector is connected with relay J 1, be connected with LED 3 by resistance R 26 simultaneously, Schmidt trigger IC3-2 output terminal is connected with electric contact C by resistance R 25, electric contact C and earth point D are the startup contact of phone electronics device for sending SOS, the contact S of relay, T is external electric bell power switch.

6, electronics rescue beacon as claimed in claim 5, it is characterized in that, rescue beacon also comprises voltage detection circuit, external line break detection circuit of loudspeaker Y D1 and fault be the sound alert circuit intermittently, voltage detection circuit is by voltage comparator ic 4-4, resistance R 17, R18, R20, R27, diode D8, D9 and LED 1 are formed, diode D8, D9 and resistance R 17 are in series and are connected between positive source and the ground, the anodal tie point with resistance R 17 of diode D8 connects the in-phase input end of voltage comparator ic 4-4, the inverting input of voltage comparator ic 4-4 is connected on the mid point of resistance R 18 and R20 series circuit, voltage comparator ic 4-4 output terminal is by resistance R 27 sending and receiving optical diode LED3, the external line break detection circuit of loudspeaker Y D1 is by IC4-3, R19, R21, R28, LED2 forms, R19, R21 forms its mid point of series connection bleeder circuit and connects voltage comparator ic 4-3 inverting input, its in-phase input end connects the tie point of diode D8 and resistance R 17, another termination loudspeaker Y D1 of resistance R 19 and the tie point between the T5 collector, voltage comparator ic 4-3 output terminal is by resistance R 28 sending and receiving optical diode LED2, fault sound alert circuit at intermittence is by voltage comparator ic 4-2, Schmidt trigger IC3-3, IC3-4, capacitor C 9, diode D12, D13, resistance R 30, R31 forms, voltage comparator ic 4-4, the output terminal of IC4-3 is connected to diode D11 respectively, D10, diode D11, the D10 negative pole and connect after connect voltage comparator ic 4-2 in-phase input end, its inverting input connects the tie point of diode D8 and resistance R 17, output termination Schmidt trigger IC3-3 input end, be connected to resistance R 31 between another input end of Schmidt trigger IC3-3 and output terminal, on the resistance R 31 and be connected with the series circuit of diode D12 and resistance R 30, Schmidt trigger IC3-3 output termination Schmidt trigger IC3-4 input end, Schmidt trigger IC3-4 output terminal is through diode D13 sound taking alarm integrated circuit (IC) 7 positive power source terminals, IC7 output termination triode T8 base stage, triode T8 collector loudspeaker Y D2 taking alarm, the collector of triode T1 is by diode D14 sound taking alarm integrated circuit (IC) 7 positive power source terminals.

7, electronics rescue beacon as claimed in claim 2, it is characterized in that, rescue beacon also comprises an automatic power supply switch circuit of being made up of triode T3, capacitor C 6, resistance R 15, R16, diode D7, connect triode T3 base stage from the extraneous signal of contact R input by capacitor C 6 and resistance R 15, the emitter and collector homopolarity of triode T3 and triode T2 is connected in parallel.

8, electronics rescue beacon as claimed in claim 2 is characterized in that, manual power switch also comprises manual pullswitch.

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