CN114898529A - Household help seeking device and method - Google Patents
Household help seeking device and method Download PDFInfo
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- CN114898529A CN114898529A CN202210459179.1A CN202210459179A CN114898529A CN 114898529 A CN114898529 A CN 114898529A CN 202210459179 A CN202210459179 A CN 202210459179A CN 114898529 A CN114898529 A CN 114898529A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72418—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services
- H04M1/72421—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services with automatic activation of emergency service functions, e.g. upon sensing an alarm
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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Abstract
A family help-seeking device and method, its apparatus includes monitoring device and execution help-seeking device, the monitoring device includes sensor module, switch module, encoder module, launcher module; the help-seeking execution device comprises a receiver module, a timer unit circuit, a transmitter unit circuit and a help-seeking device; the output end of the sensor assembly is connected with the input end of the switch module, the output end of the switch module is connected with the input end of the encoder module, and the output end of the encoder module is connected with the input end of the emitter module. The invention aims to provide a help-seeking alarm mode which is simple, convenient, rapid, reliable and accurate to operate, and can send out a help-seeking signal in time when the empty nest old man is in a sudden distress.
Description
Technical Field
The invention belongs to the technical field of intelligent monitoring, and particularly relates to a family help seeking device and a family help seeking method.
Background
With the increasing aging degree of China, the fact that more and more empty nesters are not in conflict is achieved. The empty nester is difficult to ask for help when the family suddenly catches an emergency or falls down, and the situation that the rescue opportunity is missed occurs occasionally, and even a tragedy that people are unconscious or die but not known by people can occur. When the old people in the empty nests suddenly meet the dangerous situation, how to timely inform relatives or ask for help to the outside is a technical problem to be solved urgently and is an urgent social problem.
At present, three distress schemes can be adopted for the empty nest old people in danger:
1. and dialing the family telephone number by using the mobile phone for help.
Problems and disadvantages exist: it is not reliable because the mobile phone can not be dialed out.
The reason is as follows: most of old people use mobile phones for the old, and want to quickly dial the familiarity number, the mobile phones are unlocked firstly, then the function keys are pressed, and then the preset familiarity number is pressed, while the old people generally have presbyopia or eye diseases such as cataract and the like and have poor eyesight, and the calling is difficult under normal conditions; for most old people, the old people only answer the call and rarely make the call, the utilization rate of the mobile phone is low, the old people often lose three or four because of forgetfulness, and people are often separated from the mobile phone and glasses; when the old people suddenly get ill or fall down and other accidents, the old people often have vague consciousness, tremble and shake hands and have hard pain, or the mobile phone can not see the keys without glasses, even the mobile phone is not around, and the old people can only feel weak and cannot use the mobile phone to call for help at all.
2. The portable key control device in the prior patent technical document is adopted, and radio signals are used for controlling the dialing of the landline telephone and the connection of the family telephone.
Problems and disadvantages exist: it is not secure because the keys of the portable key control device cannot be accurately pressed.
The reason is as follows: because the portable key control device has lower utilization rate, the portable key control device can not be carried about, and even if the portable key control device is carried about, the portable key control device can be thrown away due to falling down, so that the empty-nest old people often cannot immediately take the key control device when encountering sudden dangerous situations, and even if the empty-nest old people take the key control device, the key control device can not be quickly and accurately pressed due to physical reasons.
3. And the intuition judgment is carried out by depending on the perception of the concerned people.
Problems and disadvantages exist: often too long a delay to worsen the risk and render it irretrievable.
The reason is as follows: the concerned people of the empty-nest old people are friends and relatives, and the left and right houses generally, and if the old people in the empty-nest are suddenly sick and coma at home, the friends and relatives are busy for a few days, and the old people are not called by the people in a certain chance, dangerous situations can be caused.
Disclosure of Invention
The invention aims to provide a help-seeking alarm mode which is simple, convenient, rapid, reliable and accurate to use, and can send out help-seeking signals to the outside in time when the empty nest old people are in danger suddenly.
A family help seeking device comprises a monitoring device and a help seeking execution device, wherein the monitoring device comprises a sensor assembly, a switch module, an encoder module and a transmitter module;
the help-seeking execution device comprises a receiver module, a timer unit circuit, a transmitter unit circuit and a help-seeking device;
the output end of the sensor assembly is connected with the input end of the switch module, and the output end of the switch module is connected with the input end of the emitter module;
the output end of the transmitter module is connected with the input end of a receiver module in the help-seeking execution device, the output end of the receiver module is connected with the input end of a timer unit circuit, the output end of the timer unit circuit is connected with the input end of the transmitter unit circuit, and the output end of the transmitter unit circuit is connected with the input end of the help-seeking device.
The sensor assembly comprises a water flow sensor, when a tap is opened, the switch module is in an on state, the encoder module acts and inputs a specified encoding signal to the transmitter module, the transmitter module transmits the signal to the receiver module, and the receiver module transmits an electric signal to the timer unit circuit to enable the timer unit circuit to count time again;
if the tap water faucet is not opened for a long time, the timer unit circuit sends an electric signal to the transmitter unit circuit after a specified time period, the transmitter unit circuit sends an electric signal to the help-seeking device, and the help-seeking device performs help-seeking action.
The water flow sensor is a miniature hydroelectric generator, the switch module comprises a switch circuit consisting of a first triode and a second triode, an emitting electrode of the first triode is connected with a base electrode of the second triode, and collecting electrodes of the first triode and the second triode are connected with a voltage source VCC; the base electrode of the first triode is connected with the miniature hydroelectric generator, and two ends of the hydroelectric generator are connected with amplitude limiting diodes; an emitter of the second triode is connected with the common end through a filter; if the switch module is in an on state, the encoder module inputs an encoding signal to the transmitter module.
The sensor comprises a pressure sensor, when a human body touches the pressure sensor, the switch module is in an on state, the encoder module acts and inputs a specified encoding signal to the transmitter module, the transmitter transmits the signal to the receiver module, and the timer unit circuit re-times the signal received by the receiver;
if the pressure sensor is not opened for a long time, the timer unit circuit sends an electric signal to the transmitter unit circuit after a specified time period, the transmitter unit circuit sends an electric signal to the help-seeking device, and the help-seeking device acts.
The pressure sensor comprises a pressure light touch switch plate, a contact of the pressure light touch switch plate is connected with a switch module, the switch module comprises a switch circuit consisting of a first triode and a second triode, an emitting electrode of the first triode is connected with a base electrode of the second triode, and collecting electrodes of the first triode and the second triode are connected with a voltage source VCC; if the switch module is in an on state, the encoder module inputs an encoding signal to the transmitter module.
The help-seeking device comprises one or more of a mobile phone, a help-seeking telephone and a short message receiving device.
When in use, the method comprises the following steps:
step 1: the water flow sensor monitors the valve switch state in real time, the pressure sensor monitors the pressure value in real time, and the timer unit circuit presets the appointed timing/timing time period;
step 2: if the water flow sensor monitors that the valve is opened and/or the pressure sensor monitors that a given pressure is applied, the timer unit circuit times again; if the valve is not opened or the pressure sensor does not detect the given pressure within the timing period, the alarm device acts and gives an alarm.
The help-seeking execution device comprises a receiver module, a timer unit circuit, a transmitter unit circuit and a help-seeking device;
the output end of the receiver module is connected with the input end of the decoder module, the output end of the decoder module is connected with the base electrode of a third triode, the transmitter of the third triode is grounded, the collector electrode of the third triode is connected with one end of a relay coil, the other end of the relay coil is connected with a power supply, the receiver module inputs a coded signal into the decoder module after receiving the coded signal sent by the transmitter module, and the decoder module inputs a high level to the base electrode of the third triode after decoding so that the third triode is in a conducting state and the relay coil obtains electricity;
the timer unit circuit comprises a 555 integrated circuit, and a power supply end of the 555 integrated circuit is connected with a power supply VCC through a relay normally closed contact; after the normally closed contact of the relay is opened, the 555 integrated circuit loses power, so that the timer unit circuit can count time/reset in a timed mode, and count time/time again;
when the timing of the timer unit circuit reaches a preset timing time point, the transmitter unit circuit sends a signal to the help-seeking device so as to enable the help-seeking device to act and give an alarm.
The output end of the switch module is connected with the input end of the encoder module, and the output end of the encoder module is connected with the input end of the transmitter module.
Compared with the prior art, the invention has the following technical effects:
the invention is convenient, reliable, fast and efficient; no matter whether the empty nester is suddenly sick or loses the mobility caused by unexpected falling; the timer unit circuit automatically sends out help seeking signals through the mobile phone and the alarm according to the multi-channel sensor and the set time interval, thereby effectively breaking the dilemma that the empty-nest old man does not know for a long time due to coma, and embodying the respect and love of the old man.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a circuit diagram of the water flow sensor of the present invention;
FIG. 3 is a circuit diagram of a pressure sensor of the present invention;
FIG. 4 is a circuit diagram of a timer unit circuit according to the present invention;
FIG. 5 is a circuit diagram of a first embodiment of the SOS device of the present invention;
fig. 6 is a circuit diagram of a second embodiment of the SOS device of the present invention.
Detailed Description
As shown in fig. 1, a home help device comprises a monitoring device 1 and a help execution device 2, wherein the monitoring device 1 comprises a sensor assembly 1-1, a switch module 1-2, an encoder module 1-3 and a transmitter module 1-4;
the help-seeking execution device 2 comprises a receiver module 2-1, a timer unit circuit 2-2, a transmitter unit circuit 2-3 and a help-seeking device 2-4;
the output end of the sensor assembly 1-1 is connected with the input end of the switch module 1-2, the output end of the switch module 1-2 is connected with the input end of the encoder module 1-3, and the output end of the encoder module 1-3 is connected with the input end of the emitter module 1-4;
the output end of the transmitter module 1-4 is connected with the input end of a receiver module 2-1 in the help-seeking execution device 2, the output end of the receiver module 2-1 is connected with the input end of a timer unit circuit 2-2, the output end of the timer unit circuit 2-2 is connected with the input end of a transmitter unit circuit 2-3, and the output end of the transmitter unit circuit 2-3 is connected with the input end of the help-seeking device 2-4.
As shown in fig. 2, the sensor assembly 1-1 includes a water flow sensor, when a tap is opened, the switch module 1-2 is in an on state, the encoder module 1-3 acts and inputs a designated encoded signal to the transmitter module 1-4, the transmitter module 1-4 transmits the signal to the receiver module 2-1, and the receiver module 2-1 sends an electrical signal to the timer unit circuit 2-2 to enable the timer unit circuit 2-2 to count again;
if the tap water faucet is not opened for a long time, the timer unit circuit 2-2 sends an electric signal to the transmitter unit circuit 2-3 after a specified time period, the transmitter unit circuit 2-3 sends an electric signal to the help seeking device 2-4, and the help seeking device 2-4 performs help seeking action.
The water flow sensor is a miniature hydroelectric generator 3, the switch module 1-2 comprises a switch circuit consisting of a first triode 4 and a second triode 5, an emitter of the first triode 4 is connected with a base of the second triode 5, and collectors of the first triode 4 and the second triode 5 are connected with a voltage source VCC; the base electrode of the first triode 4 is connected with the miniature hydroelectric generator 3, and two ends of the miniature hydroelectric generator 3 are connected with amplitude limiting diodes 6; an emitter of the second triode is connected with the common end through a filter; if the switch module is in an on state, the encoder module 1-3 inputs an encoding signal to the transmitter module 1-4.
As shown in fig. 3, the sensor includes a pressure sensor, when a human body touches the pressure sensor 7, the switch module is in an on state, the encoder module acts and inputs a designated encoded signal to the transmitter module, the transmitter transmits the signal to the receiver module, and the timer unit circuit re-times the time according to the received signal of the receiver;
if the pressure sensor is not opened for a long time, the timer unit circuit sends an electric signal to the transmitter unit circuit after a specified time period, the transmitter unit circuit sends an electric signal to the help-seeking device, and the help-seeking device acts.
The pressure sensor comprises a pressure light touch switch plate, a contact of the pressure light touch switch plate is connected with a switch module, the switch module comprises a switch circuit consisting of a third triode and a fourth triode, an emitting electrode of the third triode is connected with a base electrode of the fourth triode, and collecting electrodes of the third triode and the fourth triode are connected with a voltage source VCC; if the switch module is in an on state, the encoder module inputs an encoding signal to the transmitter module.
The help-seeking device 2-4 comprises one or more of a mobile phone, a help-seeking telephone and a short message receiving device.
The invention relates to a family help-seeking device, which comprises the following steps when in use:
step 1: a water flow sensor monitors the valve switch state in real time, a pressure sensor monitors the pressure value in real time, and a timer unit circuit 2-2 presets a designated timing period;
and 2, step: the timer unit circuit 2-2 retimes/times if the water flow sensor monitors that the valve is open and/or the pressure sensor monitors that a given pressure is applied; if the valve is not opened or the pressure sensor does not detect the given pressure within the timing period, the alarm device acts and gives an alarm.
As shown in fig. 4 and 5, the help-seeking execution device 2 comprises a receiver module 2-1, a timer unit circuit 2-2, a transmitter unit circuit 2-3 and a help-seeking device 2-4;
the output end of the receiver module 2-1 is connected with the input end of the decoder module 7, the output end of the decoder module 7 is connected with the base electrode of a fifth triode 8, the emitting electrode of the fifth triode 8 is grounded, the collecting electrode of the fifth triode 8 is connected with one end of a relay coil 9, the other end of the relay coil 9 is connected with a power supply, the receiver module 2-1 inputs a coding signal into the decoder module after receiving the coding signal sent by the transmitter module 1-4, the decoder module inputs a high level into the base electrode of the fifth triode after decoding, so that the fifth triode is in a conducting state, and the relay coil 9 is electrified;
the timer unit circuit 2-2 comprises a 555 integrated circuit 10, and a power supply end of the 555 integrated circuit 10 is connected with a power supply VCC through a relay normally closed contact 11; after the normally closed contact 11 of the relay is opened, the 555 integrated circuit 10 loses power, so that the timer unit circuit 2-2 can count time/clear timing and count time/time again;
when the timing of the timer unit circuit 2-2 reaches a preset timing time point, the transmitter unit circuit 2-3 sends a signal to the help-seeking device 2-4 so as to enable the help-seeking device 2-4 to act and give an alarm.
Example (b):
FIG. 2 is a schematic diagram of a water flow sensor and a wireless data-encoded high-frequency transmitter of a sectional timing automatic help device
The numerical designations of (a) are: the device comprises a miniature hydroelectric generator 3, a limiting diode 6, a first triode 4, a second triode 5, an integrated TP2262 encoder, a three-state coding switch, a S & P27A high-frequency transmitter module circuit and an antenna.
It consists of three unit circuits: the water flow sensor unit circuit, the wireless data coding unit circuit and the wireless data high-frequency transmitting module unit circuit are connected in series;
first, the water flow sensor unit circuit: the composite triode switching circuit consists of a limiting diode, a first triode and a second triode, and the water flow detector can be a miniature hydroelectric generator with the model number of DB-268;
secondly, the wireless data coding unit circuit: the wireless data coding unit circuit is composed of an integrated TP2262 coder, a three-state coding switch and peripheral elements, wherein pins 1-8 are address codes, a pin 9 is grounded, pin 10-13 is an address data end, a pin 17 is a data output end, and a pin 18 is a power supply end;
and thirdly, the wireless data coding high-frequency transmitting module unit circuit consists of an antenna, a S & P27A high-frequency transmitter module circuit and the like.
The water flow detector is connected to a tap water meter and a valve switch of a user, and in order to prevent the output voltage of the generator from being too high when the micro hydroelectric generator is in a large flow, the limiting diode mainly acts on limiting the input voltage and ensuring that the first triode and the second triode are not broken down.
The working process comprises the following steps: when tap water is used, the miniature hydroelectric generator outputs a direct current voltage signal as an input electric signal of the base electrode of the first triode, even if the input electric signal is smaller, the direct current voltage signal is amplified by the first triode and then output to the base electrode of the second triode through the emitting electrode.
Fig. 3 is a circuit diagram of a pressure sensor and a wireless data coding high-frequency transmitter, which is composed of three unit circuits: the pressure sensor comprises a pressure sensor unit circuit, a wireless data coding unit circuit and a wireless data high-frequency transmitting module unit circuit.
One is as follows: pressure sensor unit circuit: the touch switch circuit is composed of a touch switch board, a third triode and a fourth triode which form a composite triode switch circuit and the like;
the wireless data coding unit circuit of the second and the wireless data coding high-frequency transmitting module unit circuit of the third are the same as those shown in fig. 2.
The pressure sensor has one touch switch board comprising several parallel touch switches, and the touch switch boards are installed inside the handle sheath and inside the shoe pad.
The working process is as follows: when a user walks with the crutch or the shoe, the pressure light touch switch board is switched on by the pressure of the human body, and the base electrode of the third triode at the input stage is connected with the high level, so that the emission electrode of the third triode is at the high level in the amplifying working state; the base electrode of the fourth triode and the emitter electrode of the third triode are in high level together, so that the triodes are also in a saturation working state. The working process of the subsequent wireless data coding unit circuit and the wireless data high-frequency transmitting module unit circuit is the same as that of the wireless data high-frequency transmitting module unit circuit in the figure 2, and only the difference is that the address coding is different.
Fig. 4 is a circuit diagram of a sectional timing automatic help-seeking device, a wireless data coding receiver, a wireless data coding transmitter and a wireless data coding transmitter, which consists of a wireless data coding receiver unit circuit, a timer unit circuit and a wireless data coding transmitter unit circuit.
First, the wireless data coding receiver unit circuit: the high-frequency receiver comprises a high-frequency receiver module circuit, a TP2272 integrated decoder, a three-state coding switch, a fifth triode, a relay coil, a relay normally-closed contact, a peripheral resistance-capacitance element and the like. The main functions are as follows: and (3) decoding the received wireless data coding signal of the high-frequency receiver module circuit through a TP2272 integrated decoder, and if the decoding is successful, enabling a relay coil to be electrified through a collector electrode of a fifth triode of the switching circuit, so that a normally closed contact of the relay is disconnected, cutting off a power supply of the timer, and enabling the timer to be timed and reset.
Secondly, a timer unit circuit: it is composed of NE555 integrated circuit of timing frequency generator, CD4020B integrated circuit of timing frequency divider, timing selection switch and peripheral resistance-capacitance element. The integrated circuit of the timing frequency divider CD4020B is used for separating the occupied frequency of the integrated circuit of the timing frequency generator NE555, and a micrometer-level timer composed of the integrated circuit can preset three segmented timing times through a timing selection switch, wherein the switch is thrown for 8 hours, the switch is thrown for 16 hours, and the switch is thrown for 24 hours. The main functions are as follows: the timer is electrified to start working, timing is started from zero, if power is off, the timing time of the front section is reset, and the timer is stopped being electrified again and starts timing from zero again; if the power is always on, the timer keeps timing, and when the preset timing time is reached, the timer outputs a high level signal to trigger the next stage unit circuit to work.
Thirdly, a wireless data coding transmitter unit circuit: it is composed of integrated circuit TP2262 encoder, antenna, high frequency transmitter module circuit, three-state coding switch and peripheral resistance-capacitance element. The main functions are as follows: when the integrated circuit TP2262 encoder is powered on, encoding is started, and encoding signals of the encoder are transmitted to the high-frequency transmitter module to transmit wireless data encoding signals outwards.
The working process is as follows: the wireless data coding signal received by the high-frequency receiver module circuit is divided into two cases, wherein one case is the received wireless data coding signal which is the same as the address coding of the three-state coding switch of the TP2272 integrated decoder and is called as an effective decoding signal; the other is a received wireless data encoding signal, which is different from the address encoding of the tri-state encoding switch of the TP2272 integrated decoder, and is called an invalid decoding signal.
The first case is to receive a valid decoded signal. When the high frequency receiver module circuit receives 8 '0' wireless data coded signals transmitted outwards from the circuits shown in fig. 2 and fig. 3, after internal amplification and demodulation of the high frequency receiver module circuit remove carrier frequency, the output end CP serially outputs digital coded address codes, and the digital coded address codes are transmitted to the data input end connected with the 14 th pin of the TP2272 integrated decoder for decoding.
The high-frequency receiver module S & P27B circuit is a four-terminal element, the Y terminal is connected to the input antenna, the output terminal CP is connected to the 14 th pin data input terminal of the TP2272 integrated decoder, and the other two terminals are respectively connected to the power supply and the ground wire.
The address coding of the tri-state coding switch of the TP2272 integrated decoder is carried out, the code word is set to 8 '0', if the decoding signal and the coding signal are 8 '0', the decoding is successful, the 17 th pin of the TP2272 integrated decoder outputs a high level signal which is connected with the base electrode input end of a fifth triode, the collector electrode of the fifth triode is connected with the lower end of a relay coil, the upper end of the relay coil is connected with a power supply, and the emitter electrode of the fifth triode is connected with a ground wire; because the base input end of the fifth triode is at a high level at this time, the fifth triode is in a saturated conducting state, the relay coil connected with the collector of the fifth triode is electrified, the normally closed contact of the relay is immediately disconnected, one end of the normally closed contact of the relay is connected with the power supply, the other end of the normally closed contact of the relay is connected with the NE555 integrated circuit of the timing frequency generator and the power pin of the CD4020B integrated circuit of the timing frequency divider, so that the power supply of the NE555 integrated circuit of the timing frequency generator and the CD4020B integrated circuit of the timing frequency divider is cut off, the timer is cleared, the timer is stopped, and the timer is electrified again to restart timing.
The No. 1 pin of the NE555 integrated circuit of the timing frequency generator is grounded, the No. 2 pin is a low trigger end, the No. 3 pin is an output end, the No. 4 pin is a direct zero clearing end, the No. 5 pin is a VC control voltage end, the No. 6 pin is a high trigger end, the No. 7 pin is a discharge end, and the No. 8 pin is a power supply end. The connection of each pin is as follows: after the direct zero clearing end of the 4 th pin is in short circuit with the power supply end of the 8 th pin, the direct zero clearing end of the 4 th pin is connected with the lower end of the normally closed contact of the relay to serve as the input end of a power supply; the 2 nd pin low trigger end TR is in short circuit with the 6 TH pin high trigger end TH and is connected with the 7 TH pin discharge end through a resistor, meanwhile, the 2 nd pin low trigger end TR is in short circuit with the 6 TH pin high trigger end TH and is connected with the movable end of a single-pole triple-throw timing selection switch, three fixed ends of the timing selection switch are respectively connected with the anodes of three electrolytic capacitors, and the cathodes of the three electrolytic capacitors are grounded after short circuit; the 1 st pin is directly grounded; the output terminal of the 3 rd pin is connected with the clock input terminal of the 10 th pin of the integrated circuit of the timing frequency divider CD 4020B.
The timing frequency divider CD4020B integrated circuit is a 14-bit binary serial counter, and all counters are master-slave flip-flops; the 3 rd pin is a pulse output end of the counter, the 8 th pin is a grounding end, the 10 th pin is a clock input end, and the 16 th pin is a power supply end.
The connection of each pin is as follows: the 10 th pin clock input end of the timing frequency divider CD4020B integrated circuit is connected with the 3 rd pin output end of the timing frequency generator NE555 integrated circuit; the 3 rd pin counter pulse output end of the timing frequency divider CD4020B integrated circuit is connected with the 10 th pin and the 18 th pin of the integrated circuit TP2262 encoder; the 16 th pin power supply end of the timing frequency divider CD4020B integrated circuit is connected with the 4 th pin and the 8 th pin power supply end of the timing frequency generator NE555 integrated circuit; the 8 th pin of the timing divider CD4020B integrated circuit is directly grounded.
The second case is receiving an invalid decoded signal. When the high-frequency receiver module circuit receives other wireless data coding signals, the high-frequency receiver module circuit is decoded by the TP2272 integrated decoder, and no effective decoding signal is determined, the output of the 17 th pin of the TP2272 integrated decoder is at a low level, the base input end of the fifth triode 25 connected with the base input end is also at a low level, so that the fifth triode is in a cut-off working state, a relay coil connected with a collector of the fifth triode is not electrified, a normally closed contact of the relay is still in a closed state when not being operated, and power is supplied to the NE555 integrated circuit of the frequency generator and the CD4020B integrated circuit of the timing frequency divider, and thus continuous timing is realized due to the fact that the high-frequency receiver module circuit is electrified. When the preset timing time is reached, the 3 rd pin of the integrated circuit of the timing frequency divider CD4020B outputs high level, the 10 th pin and the 18 th pin of the integrated circuit TP2262 encoder connected with the pin are at high level of the power supply voltage, and the integrated circuit TP2262 encoder starts to work.
Fig. 5 is a schematic diagram of a receiving and transmitting structure of a smart phone, wherein the numbers in the diagram are as follows: a high frequency receiver module circuit 18,
TP2272 integrated decoder 19, three-state coding switch 13, third triode 25, relay coil 20, relay normally open contact
26. Old age smart phone 27.
As shown in fig. 5, it is composed of a wireless data coding receiver unit circuit, a mobile phone automatic dialing and the like.
For one, the wireless data coding receiver unit circuit has only two differences compared with the wireless data coding receiver unit circuit shown in fig. 4, 1: the address coding of the tri-state coding switch 13 is different, and the address coding shown in fig. 5 is 8 "1"; 2: the relay contact adopts a normally open contact, and the other circuits are completely the same in composition.
Secondly, the mobile phone automatically dials, the smart phone has an SOS one-key dialing function, and when an emergency occurs, the family phone number preset in the mobile phone can be dialed by one key.
The working process comprises the following steps: when a high-frequency receiver module circuit receives a wireless data coding signal, after the wireless data coding signal is amplified, demodulated and removed from the inside of the high-frequency receiver module circuit, a digital coding address code is serially output by an output end CP and transmitted to a data input end connected with a 14 th pin of a TP2272 integrated decoder for decoding, the address coding of a three-state coding switch of the TP2272 integrated decoder is set to 8 '1's, if the decoding signal and the coding signal are 8 '1's, the decoding is successful, a 17 th pin of the TP2272 integrated decoder outputs a high level signal which is connected with a base electrode input end of a triode, a collector electrode of the triode is connected with the lower end of a relay coil, the upper end of the relay coil is connected with a power supply, and an emitter electrode of the triode is connected with a grounding wire; because the base input end of the triode is at a high level at the moment, the triode is in a saturated conduction state, the relay coil connected with the collector of the triode is electrified, the normally open contact of the relay is closed immediately, the old smart phone can be dialed by one key, the help-seeking telephone of relatives and community grid members pre-stored in the SIM card is called, and a 'emergency call' short message is sent.
Wherein, relay normally open contact is connected with old-aged smart mobile phone's a key set button.
Fig. 6 is a schematic structural diagram of a remote control alarm, which is composed of a wireless data coding receiver unit circuit, an alarm sound signal source unit circuit and an audio amplification unit circuit.
First, the wireless data coding receiver unit circuit: it is identical to the wireless data coding receiver unit circuit shown in fig. 5.
Secondly, the alarm sound signal source unit circuit: the alarm sound music module is composed of a CW9561 alarm sound music module and other external resistors, an alarm sound source signal is stored in the CW9561 alarm sound music module, and the alarm sound audio signal can be output after power is obtained.
Thirdly, the audio amplification unit circuit: the audio amplifier circuit consists of triodes, and the amplified audio signal is sounded through a loudspeaker.
The working process is as follows: when the high-frequency receiver module circuit receives a wireless data coding signal, after the wireless data coding signal is amplified, demodulated and removed from the inside of the high-frequency receiver module circuit, a digital coding address code is serially output by an output end CP and transmitted to a data input end connected with a 14 th pin of a TP2272 integrated decoder for decoding, the address coding of a three-state coding switch of the TP2272 integrated decoder is set to 8 '1's, if the decoding signal and the coding signal are 8 '1's, the decoding is successful, a 17 th pin of the TP2272 integrated decoder outputs a high level signal which is connected with a base input end of a triode Q1, a collector of the triode Q1 is connected with the lower end of a relay coil, the upper end of the relay coil is connected with a power supply, and an emitter of the triode Q1 is directly grounded; because the base input end of the triode Q1 is at high level at this time, the triode Q1 is in a saturated conducting state, the relay coil connected with the collector of the triode Q1 is electrified, and the normally open contact of the relay is closed immediately. Because the left side end of the normally open contact of the relay is connected with the power supply, the right side end is connected with the power supply end of the CW9561 alarm sound music module and the emitting electrode of the triode Q2, the closing of the normally open contact of the relay enables the CW9561 alarm sound music module and the audio amplification unit circuit to be electrified, a weak alarm audio signal output by the CW9561 alarm sound music module is amplified by the audio amplification circuit consisting of the triode Q1 and the triode Q2, and a loud alarm sound is emitted by a loudspeaker to ask for help to a left-adjacent right house.
Wherein, the power end of the CW9561 alarm sound music module, the emitter of the triode Q1 and the normally open contact of the relay
The right side end is connected; the grounding end of the CW9561 alarm sound music module is directly grounded; the audio signal output end is connected with the base electrode of the triode Q1, the emitting electrode of the triode Q1 is directly grounded, the collecting electrode of the triode Q2 is connected with the base electrode of the triode Q2, the collecting electrode of the triode Q2 is connected with the upper end of the loudspeaker, and the lower end of the loudspeaker is directly grounded.
Claims (9)
1. A family help seeking device is characterized by comprising a monitoring device (1) and a help seeking execution device (2), wherein the monitoring device (1) comprises a sensor assembly (1-1), a switch module (1-2) and a transmitter module (1-4);
the help-seeking execution device (2) comprises a receiver module (2-1), a timer unit circuit (2-2), a transmitter unit circuit (2-3) and a help-seeking device (2-4);
the output end of the sensor assembly (1-1) is connected with the input end of the switch module (1-2), and the output end of the switch module (1-2) is connected with the input end of the emitter module (1-4);
the output end of the transmitter module (1-4) is connected with the input end of a receiver module (2-1) in the execution help-seeking device (2), the output end of the receiver module (2-1) is connected with the input end of a timer unit circuit (2-2), the output end of the timer unit circuit (2-2) is connected with the input end of a transmitter unit circuit (2-3), and the output end of the transmitter unit circuit (2-3) is connected with the input end of the help-seeking device (2-4).
2. The device according to claim 1, characterized in that the sensor assembly (1-1) comprises a water flow sensor, when the tap is opened, the switch module (1-2) is in an on state, the encoder module (1-3) acts and inputs a specified code signal to the transmitter module (1-4), the transmitter module (1-4) transmits the signal to the receiver module (2-1), and the receiver module (2-1) sends an electric signal to the timer unit circuit (2-2) to restart the timer unit circuit (2-2);
if the tap water faucet is not opened for a long time, the timer unit circuit (2-2) sends an electric signal to the transmitter unit circuit (2-3) after a specified time period, the transmitter unit circuit (2-3) sends an electric signal to the help seeking device (2-4), and the help seeking device (2-4) performs help seeking action.
3. The device according to claim 2, characterized in that the water flow sensor is a miniature hydroelectric generator (3), the switch module (1-2) comprises a switch circuit consisting of a first triode (4) and a second triode (5), the emitter of the first triode (4) is connected with the base of the second triode (5), and the collectors of the first triode (4) and the second triode (5) are connected with a voltage source VCC; the base electrode of the first triode (4) is connected with the miniature hydroelectric generator (3), and two ends of the miniature hydroelectric generator (3) are connected with the limiting diodes (6); the emitter of the second triode is connected with the common terminal through the filter; if the switch module is in an on state, the encoder module (1-3) inputs an encoding signal to the transmitter module (1-4).
4. The device according to claim 1, wherein the sensor comprises a pressure sensor, when a human body touches the pressure sensor (7), the switch module is in an on state, the encoder module acts and inputs a specified encoded signal to the transmitter module, the transmitter transmits the signal to the receiver module, and the timer unit circuit counts time again according to the received signal of the receiver;
if the pressure sensor is not opened for a long time, the timer unit circuit sends an electric signal to the transmitter unit circuit after a specified time period, the transmitter unit circuit sends an electric signal to the help-seeking device, and the help-seeking device acts.
5. The device of claim 4, wherein the pressure sensor comprises a pressure tact switch plate, a contact of the pressure tact switch plate is connected to the switch module, the switch module comprises a switch circuit consisting of a third triode and a fourth triode, an emitter of the third triode is connected with a base of the fourth triode, and collectors of the third triode and the fourth triode are connected with a voltage source VCC; if the switch module is in an on state, the encoder module inputs an encoding signal to the transmitter module.
6. The device as claimed in one of claims 1 to 5, characterized in that the help-seeking device (2-4) comprises one or more of a mobile phone, a help-seeking telephone and a short message receiving device.
7. A device according to claims 1 to 5, characterized in that it comprises, in use, the steps of:
step 1: the water flow sensor monitors the valve switch state in real time, the pressure sensor monitors the pressure value in real time, and the timer unit circuit (2-2) presets a designated timing period;
step 2: -the timer unit circuit (2-2) retimes/times if the water flow sensor monitors that the valve is open and/or the pressure sensor monitors that a given pressure is experienced; if the valve is not opened or the pressure sensor does not detect the given pressure within the timing period, the alarm device acts and gives an alarm.
8. The device according to claim 1, characterized in that the help-seeking execution device (2) comprises a receiver module (2-1), a timer unit circuit (2-2), a transmitter unit circuit (2-3), a help-seeking device (2-4);
the output end of the receiver module (2-1) is connected with the input end of the decoder module (7), the output end of the decoder module (7) is connected with the base electrode of a fifth triode (8), the emitting electrode of the fifth triode (8) is grounded, the collecting electrode of the fifth triode (8) is connected with one end of a relay coil (9), the other end of the relay coil (9) is connected with a power supply, the receiver module (2-1) inputs a coded signal into the decoder module after receiving the coded signal sent by the transmitter module (1-4), the decoder module inputs a high level to the base electrode of the fifth triode after decoding, so that the fifth triode is in a conducting state, and the relay coil (9) is electrified;
the timer unit circuit (2-2) comprises a 555 integrated circuit (10), and a power supply end of the 555 integrated circuit (10) is connected with a power supply VCC through a relay normally closed contact (11); after the normally closed contact (11) of the relay is opened, the 555 integrated circuit (10) loses power, so that the timer unit circuit (2-2) can count time/clear the timing, and count time/time again;
when the timing of the timer unit circuit (2-2) reaches a preset timing time point, the transmitter unit circuit (2-3) sends a signal to the help-seeking device (2-4) so as to enable the help-seeking device (2-4) to act and give an alarm.
9. An arrangement according to claim 1, characterized in that the output of the switching module (1-2) is connected to the input of the encoder module (1-3), and the output of the encoder module (1-3) is connected to the input of the transmitter module (1-4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210459179.1A CN114898529A (en) | 2022-04-28 | 2022-04-28 | Household help seeking device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210459179.1A CN114898529A (en) | 2022-04-28 | 2022-04-28 | Household help seeking device and method |
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| CN202210459179.1A Pending CN114898529A (en) | 2022-04-28 | 2022-04-28 | Household help seeking device and method |
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