CN117119110A - Calling system - Google Patents
Calling system Download PDFInfo
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- CN117119110A CN117119110A CN202311368468.1A CN202311368468A CN117119110A CN 117119110 A CN117119110 A CN 117119110A CN 202311368468 A CN202311368468 A CN 202311368468A CN 117119110 A CN117119110 A CN 117119110A
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- 238000004891 communication Methods 0.000 claims abstract description 22
- 230000005236 sound signal Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 210
- 101100404726 Arabidopsis thaliana NHX7 gene Proteins 0.000 claims description 9
- 102000057028 SOS1 Human genes 0.000 claims description 9
- 108700022176 SOS1 Proteins 0.000 claims description 9
- 101100197320 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPL35A gene Proteins 0.000 claims description 9
- 101150100839 Sos1 gene Proteins 0.000 claims description 9
- 101000908580 Homo sapiens Spliceosome RNA helicase DDX39B Proteins 0.000 claims description 6
- 102100021298 b(0,+)-type amino acid transporter 1 Human genes 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 6
- 101100041125 Arabidopsis thaliana RST1 gene Proteins 0.000 claims description 3
- 108700038250 PAM2-CSK4 Proteins 0.000 claims description 3
- 101100443250 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) DIG1 gene Proteins 0.000 claims description 3
- 101100206155 Schizosaccharomyces pombe (strain 972 / ATCC 24843) tbp1 gene Proteins 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 102100032533 ADP/ATP translocase 1 Human genes 0.000 description 2
- 101000768061 Escherichia phage P1 Antirepressor protein 1 Proteins 0.000 description 2
- 101000796932 Homo sapiens ADP/ATP translocase 1 Proteins 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/022—Paging systems
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
Abstract
The application discloses a calling system, which comprises an MCU module, a power supply module, an audio input module and a communication module, wherein the MCU module is connected with the audio input module and the communication module, the power supply module supplies power to each module, the MCU module is a main control unit and is used for controlling each module to act, communicating with a server of a terminal, controlling a help seeking function and an emergency help seeking function button, the communication module is used for carrying out SIM card communication, and the audio input module is used for inputting and amplifying an audio signal through a microphone. Has the following advantages: the system is divided into a help seeking function and an emergency help seeking function, when a user initiates the emergency help seeking function, equipment circularly dials all numbers in a list, if a call is not received, the equipment can always circularly dial until a power supply is exhausted, missed call is prevented, help seeking of old people can be received in time, meanwhile, a call system can send an emergency call to a server of a terminal, and the server can initiate emergency reminding to a nearby health care service center.
Description
Technical Field
The application relates to a calling system, which belongs to the technical field of electronic calling devices.
Background
The home-based elderly people are the main mode of the current elderly people, but for the elderly people suffering from diseases, sudden emergency situations are often encountered in daily life, and rescue is needed. The prior art calling equipment mainly comprises keys or mobile phones, manual operation is needed, the old possibly has no mobility to perform manual operation under emergency conditions, voice calling is needed, aiming at the problems, a plurality of equipment for monitoring and rescuing relevant health of the old are arranged, the equipment is mostly point-to-point calling equipment, is singly used between a patient and a doctor or between the old and a child, the called object is too single, the illness state of the old is delayed once the calling information cannot be received in time, even the life of the old is threatened, the existing calling device can only perform short-time calling, the calling can be automatically cut off when no person answers for a period of time, the calling of the old is ignored, and the old cannot be timely rescued.
Disclosure of Invention
Aiming at the defects, the application provides a calling system which is divided into a help seeking function and an emergency help seeking function, wherein the help seeking function polls and dials all telephone numbers once, when a user initiates the emergency help seeking function, equipment circularly dials all numbers in a list, when a counterpart answers a call, the help seeking system actively hangs up to terminate all calls, otherwise, the equipment always circularly dials until a power supply is exhausted, missed call is prevented, help seeking of old people can be timely received, meanwhile, the calling system can send emergency help seeking to a server of a terminal, and the server can initiate emergency reminding to a nearby health care service center.
In order to solve the technical problems, the application adopts the following technical scheme:
the calling system comprises an MCU module, a power supply module, an audio input module and a communication module, wherein the MCU module is connected with the audio input module and the communication module, the power supply module supplies power for each module, the MCU module is a main control unit and is used for controlling each module to act, communicating with a server of a terminal and controlling a help-seeking function and an emergency help-seeking function button, the communication module is used for carrying out SIM card communication, and the audio input module is used for inputting and amplifying an audio signal through a microphone;
the MCU module comprises a chip U17.1 and a chip U17.2, and the models of the chip U17.1 and the chip U17.2 are EC200U-CN.
Further, the 5 pin of the chip U17.1 is connected with one end of a resistor R25, the 6 pin of the chip U17.1 is connected with one end of a resistor R26, the other end of the resistor R25 and the other end of the resistor R26 are connected with one end of a resistor R27, the other end of the resistor R27 is connected with one end of a resistor R28 and a base electrode of a triode Q3, an emitter electrode of the triode Q3 and the other end of the resistor R28 are grounded, a collector electrode of the triode Q3 is connected with one end of a light emitting diode, the other end of the light emitting diode is connected with one end of a resistor R29, and the other end of the resistor R29 is connected with a VCC_BAT+ power supply.
Further, the 20 pin of the chip U17.1 is connected with the collector of the triode Q5, the base of the triode Q5 is connected with one end of a resistor R35 and one end of a resistor R36, the other end of the resistor R36 and the emitter of the triode Q5 are grounded, the other end of the resistor R35 is connected with a reset interface EC_RST1, the 21 pin of the chip U17.1 is connected with the collector of the triode Q4, the base of the triode Q4 is connected with one end of a resistor R33 and one end of a resistor R34, the other end of the resistor R34 and the emitter of the triode Q4 are grounded, and the other end of the resistor R33 is connected with a switch interface EC1.
Further, pin 67 of the chip U17.1 is connected with an emitter of the triode Q7, a base electrode of the triode Q7 is connected with one end of a capacitor C68 and one end of a resistor R40, the other end of the capacitor C68 and the other end of the resistor R40 are connected with a VDD_EXT power supply, a collector electrode of the triode Q7 is connected with one end of a resistor R39 and the 18 pin of the chip U9, the other end of the resistor R39 is connected with 3.3V, pin 68 of the chip U17.1 is connected with a collector electrode of the triode Q6 and one end of a resistor R37, the other end of the resistor R37 is connected with a VDD_EXT power supply, an emitter of the triode Q6 is connected with pin 17 of the chip U9, a base electrode of the triode Q6 is connected with one end of a capacitor C67 and one end of a resistor R38, the other end of the capacitor C67 and the other end of the resistor R38 are connected with the VDD_EXT power supply, and the model number of the chip U9 is GD32E230F8P6TR.
Further, the 4 feet of the chip U9 are connected with a reset button RST1, one end of a resistor R6 and one end of a capacitor C20, the other end of the resistor R6 is connected with 3.3V, the other end of the capacitor C20 is grounded, the 2 feet of the chip U9 are connected with one end of a capacitor C18 and 1 foot of a crystal oscillator X1, the other end of the capacitor C18 is grounded, the 3 feet of the crystal oscillator X1 are connected with one end of the capacitor C19 and 3 feet of the chip U9, the 10 feet of the chip U9 are connected with one end of the capacitor C23 and 4 feet of a help function KEY KEY1, the other end of the capacitor C23 and 2 feet of the help function KEY KEY1 are connected with 3.3V power, the 6 feet of the chip U9 are connected with one end of the capacitor C25 and 3 feet of the emergency help function KEY SOS1, and the other end of the capacitor C25 and 1 feet of the emergency help function KEY SOS1 are connected with 3.3V power, and the parts are used for resetting, help functions and control of the emergency help functions.
Further, the communication module includes a chip CARD1, the model of the chip CARD1 is SMN-305-ARP7, pin 1 of the chip CARD1 is connected with one end of a capacitor C17 and one end of a capacitor C62, and is connected with pin 10 of the chip U17.1 in parallel, the other end of the capacitor C17 and the other end of the capacitor C62 are grounded, pin 2 of the chip CARD1 is connected with one end of a capacitor C63, one end of a resistor R21 and pin 3 of the chip U5, the other end of the resistor R21 is connected with pin 17 of the chip U17.1, pin 3 of the chip CARD1 is connected with one end of a capacitor C64, one end of a resistor R22 and pin 1 of the chip U5, pin 16 of the chip U17.1 is connected with pin 7 of the chip CARD1, pin 7 of the chip CARD1 is connected with one end of a capacitor C65, one end of a resistor R23 and pin 4 of the chip U5, pin 15 of the chip U17.1 is connected with pin 15 of the chip U5, model of the chip U5 is SMF05C, the other end of the capacitor C63, the other end of the capacitor C64 and the other end of the chip C65 are grounded, the peripheral filter circuit of the SIM is mainly the SIM, and the chip is a filter circuit of the chip is mainly formed by the chip and the capacitor U5 has an electromagnetic interference value, which is prevented from forming an electromagnetic interference circuit.
Further, the power module includes a chip U18, the model of the chip U18 is RT7272BGSP, pin 8 of the chip U18 is connected with one end of a capacitor C76 and one end of a capacitor C75, and is connected with 5V, the other end of the capacitor C76 and the other end of the capacitor C75 are grounded, pin 7 of the chip U18 is connected with one end of a resistor R41, the other end of the resistor R41 is grounded, pin 6 of the chip U18 is connected with one end of a capacitor C77, the other end of the capacitor C77 is connected with one end of a resistor R42, the other end of the resistor R42 is grounded, pin 3 of the chip U18 is connected with one end of a resistor R43, the other end of the resistor R43 is connected with pin 8 of the chip U18, pin 1 of the chip U18 is connected with one end of a capacitor C78 and one end of a capacitor L10, the other end of the capacitor C78 is connected with pin 2 of the chip U18, the other end of the inductor L10 is connected with one end of a resistor R44, one end of a capacitor C81, one end of a capacitor C79, one end of a capacitor C80, one end of a diode D7 and one end of a diode D8, the other end of the capacitor C81, the other end of the capacitor C79 and the other end of the capacitor C80 and the other end of the diode D7 are grounded, the other end of the diode D8 is connected with the diode D9, and the other end of the diode D9 is connected with a 3 switch, and the other end of the battery is connected to the battery.
Further, the power module further comprises a chip LD01, the model of the chip LD01 is ME6211C33M5G-N, the 1 pin of the chip LD01 is connected with a VCC_BAT+ power supply, the 3 pin of the chip LD01 is connected with one end of a capacitor C54 and is connected with the VCC_BAT+ power supply in parallel, the other end of the capacitor C54 is grounded, the 5 pin of the chip LD01 is connected with one end of a capacitor C55 and one end of a capacitor C59 and is connected with 3.3V in parallel, and the other end of the capacitor C55 and the other end of the capacitor C59 are grounded;
the power module further comprises a chip U19, the model of the chip U19 is SLM4000, 3 pins of the chip U19 are connected with one end of a capacitor C82 and 2 pins of a battery interface BAT1, the other end of the capacitor C82 is grounded with 1 pin of the battery interface BAT1, 6 pins of the chip U19 are connected with one end of a resistor R46, the other end of the resistor R46 is grounded, 4 pins of the chip U19 are connected with one end of a resistor R12 and 8 pins of the chip U18, the other end of the resistor R12 is connected with one end of a full indicator lamp and one end of a charging indicator lamp, the other end of the full indicator lamp is connected with 5 pins of the chip U19, and the other end of the charging indicator lamp is connected with 1 pin of the chip U19.
Further, the audio input module includes microphone interface FPC2, microphone interface FPC 2's 2 foot is connected with electric capacity C11 one end, electric capacity C10 one end, TVS pipe D3 one end, electric capacity C13 one end, electric capacity C12 one end and chip U17.2's 75 foot, TVS pipe D3 other end, electric capacity C13 other end and electric capacity C12 other end ground connection, microphone interface FPC 2's 1 foot is connected with electric capacity C11 other end, electric capacity C10 other end, TVS pipe D4 one end, electric capacity C9 one end, electric capacity C8 one end and chip U17.2's 77 foot, TVS pipe D4 other end, electric capacity C9 other end and electric capacity C8 other end ground connection.
Further, the audio input module further comprises a chip U15, the model of the chip U15 is AW8733ATQR, the 1 pin of the chip U15 is connected with one end of a resistor R18 and an interface PAM2, the other end of the resistor R18 is connected with AGND, the 4 pin of the chip U15 is connected with one end of a capacitor C61 and one end of a capacitor C38, VCC_BAT+ power is connected in parallel, the other end of the capacitor C61 and the other end of the capacitor C38 are connected with AGND, the 3 pin of the chip U15 is connected with one end of a capacitor C40, the other end of the capacitor C40 is connected with the 19 pin of the chip U15, the 6 pin of the chip U15 is connected with one end of a resistor R19 and one end of a capacitor C51, the other end of the resistor R19 is connected with one end of a capacitor C52, the other end of the capacitor C52 is connected with one end of a TVS tube D5, one end of a capacitor C71, one end of a capacitor C72, one end of a capacitor C73 and one end of a 74 of a capacitor C74 and the 74 pin of the chip U17.2, the other end of the TVS tube D5, the other end of the capacitor C74 and the other end of the capacitor C73 are grounded, the 7 pin of chip U15 is connected with resistance R20 one end and the electric capacity C51 other end, the resistance R20 other end is connected with electric capacity C53 one end, the electric capacity C53 other end is connected with TVS pipe D6 one end, electric capacity C70 one end, electric capacity C69 one end, the electric capacity C71 other end, the electric capacity C72 other end and the 73 pin of chip U17.2, the TVS pipe D6 other end, electric capacity C69 other end and electric capacity C70 other end ground connection, the 8 pin of chip U15 is connected with electric capacity C50 one end and electric capacity C49 one end, electric capacity C50 other end and electric capacity C49 other end termination AGND, the 13 pin of chip U15 is connected with inductance L6 one end, the inductance L6 other end is connected with electric capacity C42 one end and interface FPC 3's 1 pin, the 15 pin of chip U15 is connected with inductance L5 one end, the inductance L5 other end is connected with electric capacity C41 one end and interface FPC 3's 2 pin, electric capacity C41 other end and electric capacity C42 other termination AGND, this part is audio power amplifier circuit.
Compared with the prior art, the application has the following technical effects:
the emergency call system is divided into a help seeking function and an emergency help seeking function, a plurality of help seeking telephone numbers can be set, help seeking objects can be doctors, children, communities and the like, when a user initiates the help seeking function, equipment dials all telephone numbers in a round manner, when all telephones are dialed, the other party answers the telephone, the help seeking telephone actively hangs up, and all calls are terminated; when the user initiates the emergency help function, the device will circularly dial all numbers in the list, when the opposite party answers the call, the help calling system actively hangs up to terminate all calls, otherwise, the device will always circularly dial until no external power supply is available and the internal emergency power supply is exhausted to terminate, thereby preventing missed calls and timely receiving help calls of the old.
When a user initiates a related help, the calling system can send an emergency call to a server of the terminal at the same time, the server initiates an emergency prompt to a nearby health care service center to help the calling old people, help the old people in time, and the server counts the answering state of the help call, so that the help call is initiated, answered, refused or not answered, supervision on the help call is facilitated, and missed call is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a partial circuit diagram of an MCU module according to the present application;
FIG. 2 is a circuit diagram of another portion of the MCU module of the present application;
FIG. 3 is a circuit diagram of a communication module according to the present application;
FIG. 4 is a partial circuit diagram of an audio input module according to the present application;
FIG. 5 is a circuit diagram of another portion of an audio input module according to the present application;
fig. 6 is a circuit diagram of a power module according to the present application.
Detailed Description
The embodiment of the calling system comprises an MCU module, a power supply module, an audio input module and a communication module, wherein the MCU module is connected with the audio input module and the communication module, the power supply module supplies power for all the modules, the MCU module is a main control unit and is used for controlling all the modules to act, communicating with a server of a terminal and controlling a help seeking function and an emergency help seeking function button, the communication module is used for carrying out SIM card communication, and the audio input module is used for inputting and amplifying audio signals through a microphone.
As shown in fig. 1 and fig. 2, the MCU module includes a chip U17.1 and a chip U17.2, the types of the chip U17.1 and the chip U17.2 are EC200U-CN, the 5 pin of the chip U17.1 is connected with one end of a resistor R25, the 6 pin of the chip U17.1 is connected with one end of a resistor R26, the other end of the resistor R25 and the other end of the resistor R26 are connected with one end of a resistor R27, the other end of the resistor R27 is connected with one end of a resistor R28 and the base of a triode Q3, the emitter of the triode Q3 and the other end of the resistor R28 are grounded, the collector of the triode Q3 is connected with one end of a light emitting diode, the other end of the light emitting diode is connected with one end of a resistor R29, and the other end of the resistor R29 is connected with vcc_bat+ power supply.
The 20 feet of the chip U17.1 are connected with the collector of the triode Q5, the base of the triode Q5 is connected with one end of a resistor R35 and one end of a resistor R36, the other end of the resistor R36 and the emitter of the triode Q5 are grounded, the other end of the resistor R35 is connected with a reset interface EC_RST1, the 21 feet of the chip U17.1 are connected with the collector of the triode Q4, the base of the triode Q4 is connected with one end of a resistor R33 and one end of a resistor R34, the other end of the resistor R34 and the emitter of the triode Q4 are grounded, the other end of the resistor R33 is connected with a switch interface EC1, the part is responsible for restarting and switching of EC200U, and the voltage of EC200U is about equal to 4.2V, so that the triode is used for isolation.
The pin 49 of the chip U17.1 is connected with the pin 1 of the antenna ANT1, the pins 2 and 3 of the antenna ANT1 are grounded, the pin 47 of the chip U17.1 is connected with one end of a capacitor C66, the other end of the capacitor C66 is connected with one end of an inductor L9 and the pin 1 of the antenna GNSS1, the other end of the inductor L9 is connected with one end of a resistor R32, the other end of the resistor R32 is connected with a VCC_BAT+ power supply, the pins 2 and 3 of the antenna GNSS1 are grounded, and the part is controlled by a communication antenna.
The base of the triode Q7 is connected with one end of a capacitor C68 and one end of a resistor R40, the other end of the capacitor C68 and the other end of the resistor R40 are connected with a VDD_EXT power supply, the collector of the triode Q7 is connected with one end of a resistor R39 and the 18 pin of the chip U9, the other end of the resistor R39 is connected with 3.3V, the pin 68 of the chip U17.1 is connected with the collector of the triode Q6 and one end of a resistor R37, the other end of the resistor R37 is connected with the VDD_EXT power supply, the emitter of the triode Q6 is connected with the pin 17 of the chip U9, the base of the triode Q6 is connected with one end of a capacitor C67 and one end of a resistor R38, the other end of the capacitor C67 and the other end of the resistor R38 are connected with the VDD_EXT power supply, the model of the chip U9 is GD32E230F8P6TR, and the serial communication control is used for communicating with a server of a terminal.
The pin 4 of the chip U9 is connected with a reset button RST1, one end of a resistor R6 and one end of a capacitor C20, the other end of the resistor R6 is connected with 3.3V, the other end of the capacitor C20 is grounded, the pin 2 of the chip U9 is connected with one end of a capacitor C18 and the pin 1 of a crystal oscillator X1, the other end of the capacitor C18 is grounded, the pin 3 of the crystal oscillator X1 is connected with one end of a capacitor C19 and the pin 3 of the chip U9, the 10 feet of the chip U9 are connected with one end of a capacitor C23 and the 4 feet of the help function KEY KEY1, the other end of the capacitor C23 and the 2 feet of the help function KEY KEY1 are connected with a 3.3V power supply, the 6 feet of the chip U9 are connected with one end of a capacitor C25 and the 3 feet of the emergency help function KEY SOS1, the other end of the capacitor C25 and the 1 feet of the emergency help function KEY SOS1 are connected with a 3.3V power supply, and the part is used for resetting, the help function and the control of the emergency help function.
As shown in fig. 3, the communication module includes a chip CARD1, the type of the chip CARD1 is SMN-305-ARP7, pin 1 of the chip CARD1 is connected with one end of a capacitor C17 and one end of a capacitor C62, and is connected with pin 10 of the chip U17.1 in parallel, the other end of the capacitor C17 and the other end of the capacitor C62 are grounded, pin 2 of the chip CARD1 is connected with one end of a capacitor C63, one end of a resistor R21 and pin 3 of the chip U5, the other end of the resistor R21 is connected with pin 17 of the chip U17.1, pin 3 of the chip CARD1 is connected with one end of a capacitor C64, one end of a resistor R22 and pin 1 of the chip U5, pin 16 of the chip U17.1 is connected with pin 7 of the chip CARD1, pin 7 of the chip CARD1 is connected with one end of a capacitor C65, one end of a resistor R23 and pin 4 of the chip U5, pin 15 of the chip U17.1 is connected with pin 15 of the chip U5, the type of the chip U5 is SMF05C, the other end of the capacitor C63, the other end of the capacitor C64 and the other end of the capacitor C65 are grounded, the part is a main SIM, and the filter circuit of the filter circuit is a filter circuit for preventing the filter circuit from forming an electromagnetic interference, and the filter circuit is a TDD, and the filter circuit is formed by the filter circuit and the filter circuit is a main.
As shown in fig. 6, the power module includes a chip U18, the model of the chip U18 is RT7272BGSP, pin 8 of the chip U18 is connected with one end of a capacitor C76 and one end of a capacitor C75, and is connected with 5V, the other end of the capacitor C76 and the other end of the capacitor C75 are grounded, pin 7 of the chip U18 is connected with one end of a resistor R41, the other end of the resistor R41 is grounded, pin 6 of the chip U18 is connected with one end of a capacitor C77, the other end of the capacitor C77 is connected with one end of a resistor R42, the other end of the resistor R42 is grounded, pin 3 of the chip U18 is connected with one end of a resistor R43, the other end of the resistor R43 is connected with pin 8 of the chip U18, pin 1 of the chip U18 is connected with one end of a capacitor C78 and one end of an inductor L10, the other end of the capacitor C78 is connected with pin 2 of the chip U18, the other end of the inductor L10 is connected with one end of a resistor R44, one end of an end of a capacitor C81, one end of an inductor C79, one end of an capacitor C80, one end of an end of a capacitor D80, one end of a diode D7 and one end of a diode D8, the other end of the capacitor C81, the other end of the capacitor C81 and the other end of the capacitor C80 and the other end of the diode D7 are grounded, the other end of the 3, 3 and the other end of the diode D7 is connected with a 3 switch and the other end of the diode D9 is connected with a 3.
The power module further comprises a chip LD01, the model of the chip LD01 is ME6211C33M5G-N, the 1 pin of the chip LD01 is connected with a VCC_BAT+ power supply, the 3 pin of the chip LD01 is connected with one end of a capacitor C54 and is connected with the VCC_BAT+ power supply in parallel, the other end of the capacitor C54 is grounded, the 5 pin of the chip LD01 is connected with one end of a capacitor C55 and one end of a capacitor C59 and is connected with 3.3V in parallel, and the other end of the capacitor C55 and the other end of the capacitor C59 are grounded.
The power module further comprises a chip U19, the model of the chip U19 is SLM4000, the 3 pin of the chip U19 is connected with one end of a capacitor C82 and 2 pins of a battery interface BAT1, the other end of the capacitor C82 is grounded with 1 pin of the battery interface BAT1, the 6 pin of the chip U19 is connected with one end of a resistor R46, the other end of the resistor R46 is grounded, the 4 pin of the chip U19 is connected with one end of a resistor R12 and 8 pins of the chip U18, the other end of the resistor R12 is connected with one end of a full indicator lamp and one end of a charging indicator lamp, the other end of the full indicator lamp is connected with 5 pins of the chip U19, and the other end of the charging indicator lamp is connected with 1 pin of the chip U19.
The power module is powered by 4.56V through diode D8 by the chip U18, BAT+ position connects 3.7V single lithium cell (full state 4.2V), through diode D9, if the external power supply state, because diode D8 voltage difference is bigger than diode D9 voltage difference, so can be powered by external power supply, if external power supply loses the power supply, diode D8 voltage difference is lower than diode D9, so can be powered by battery (schottky diode can produce 0.4V pressure drop). The power supply is connected with the chip LDO1 to generate 3.3V power supply to supply power for the MCU module through the switch, and meanwhile, the 4 pin of the chip U19 is connected with an external power supply to generate dynamic voltage for charging the lithium battery.
As shown in fig. 4, the audio input module includes a microphone interface FPC2, the 2 pin of the microphone interface FPC2 is connected with one end of a capacitor C11, one end of a capacitor C10, one end of a TVS tube D3, one end of a capacitor C13, one end of a capacitor C12 and 75 pins of a chip U17.2, the other end of the TVS tube D3, the other end of the capacitor C13 and the other end of the capacitor C12 are grounded, the 1 pin of the microphone interface FPC2 is connected with the other end of the capacitor C11, the other end of the capacitor C10, one end of the TVS tube D4, one end of the capacitor C9, one end of the capacitor C8 and 77 pins of the chip U17.2, the other end of the TVS tube D4, the other end of the capacitor C9 and the other end of the capacitor C8 are grounded, this part is a microphone input differential circuit, the values of the capacitors prevent TDD interference, and the TVS tubes D3 and D4 are electrostatic protection.
As shown in FIG. 5, the audio input module further includes a chip U15, the model of the chip U15 is AW8733ATQR, the 1 pin of the chip U15 is connected with one end of a resistor R18 and an interface PAM2, the other end of the resistor R18 is connected with AGND, the 4 pin of the chip U15 is connected with one end of a capacitor C61 and one end of a capacitor C38, VCC_BAT+ is connected in parallel, the other end of the capacitor C61 and the other end of the capacitor C38 are connected with AGND, the 3 pin of the chip U15 is connected with one end of a capacitor C40, the other end of the capacitor C40 is connected with the 19 pin of the chip U15, the 6 pin of the chip U15 is connected with one end of a resistor R19 and one end of a capacitor C51, the other end of the resistor R19 is connected with one end of a capacitor C52, the other end of the capacitor C52 is connected with one end of a TVS tube D5, one end of a capacitor C71, one end of a capacitor C72, one end of a capacitor C74, one end of a capacitor C73 and the other end of a 74 pin of the chip U17.2, the other end of the TVS tube D5, the other end of the capacitor C74 and the other end of the capacitor C73 are grounded, the 7 pin of chip U15 is connected with resistance R20 one end and the electric capacity C51 other end, the resistance R20 other end is connected with electric capacity C53 one end, the electric capacity C53 other end is connected with TVS pipe D6 one end, electric capacity C70 one end, electric capacity C69 one end, the electric capacity C71 other end, the electric capacity C72 other end and the 73 pin of chip U17.2, the TVS pipe D6 other end, electric capacity C69 other end and electric capacity C70 other end ground connection, the 8 pin of chip U15 is connected with electric capacity C50 one end and electric capacity C49 one end, electric capacity C50 other end and electric capacity C49 other end termination AGND, the 13 pin of chip U15 is connected with inductance L6 one end, the inductance L6 other end is connected with electric capacity C42 one end and interface FPC 3's 1 pin, the 15 pin of chip U15 is connected with inductance L5 one end, the inductance L5 other end is connected with electric capacity C41 one end and interface FPC 3's 2 pin, electric capacity C41 other end and electric capacity C42 other termination AGND, this part is audio power amplifier circuit.
The implementation method of the emergency call system comprises the following steps:
the KEY1 for calling help or the KEY SOS1 for emergency calling help is clicked to judge whether the call is in a call state or whether the call is coming, if the call is not in the call state or not, an ATH instruction is sent to the EC200U, the call is hung up, the call mark position is 0, if the call is in the call state or the call is coming, an ATA instruction is sent to the EC200U, and the call is answered, and meanwhile, the call mark position is 1.
Double-click help function KEY1 or emergency help function KEY SOS1, all information of the equipment is uploaded through the HTTP protocol of EC 200U.
And long pressing the help-seeking function KEY1 polls a help-seeking number list once, simultaneously marks the position 1 of the call, and uploads the call state to the server, whether the call state is initiated, answered, refused or not answered by a person, and the help-seeking number list contains at most two help-seeking telephone numbers.
And if the key SOS1 of the emergency help-seeking function is pressed for a long time, all numbers are circularly polled, meanwhile, the call sign position 1 is set, when the opposite party answers the call and the call is actively hung up by the my, all calls are terminated, otherwise, all calls are always circularly dialed until no external power supply is provided, the internal emergency power supply is exhausted and terminated, the call state is uploaded to the server, and the call state is initiated, answered, refused or not answered by a person, and the number list of help-seeking numbers is a maximum of two phone numbers.
The description of the present application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the application in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, and to enable others of ordinary skill in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A call system, characterized by: the system comprises an MCU module, a power supply module, an audio input module and a communication module, wherein the MCU module is connected with the audio input module and the communication module, the power supply module supplies power for each module, the MCU module is a main control unit and is used for controlling each module to act, communicating with a server of a terminal and controlling a help-seeking function and an emergency help-seeking function button, the communication module is used for carrying out SIM card communication, and the audio input module is used for inputting and amplifying audio signals through a microphone;
the MCU module comprises a chip U17.1 and a chip U17.2, and the models of the chip U17.1 and the chip U17.2 are EC200U-CN.
2. A call system as claimed in claim 1, wherein: the LED is characterized in that a pin 5 of the chip U17.1 is connected with one end of a resistor R25, a pin 6 of the chip U17.1 is connected with one end of a resistor R26, the other end of the resistor R25 and the other end of the resistor R26 are connected with one end of a resistor R27, the other end of the resistor R27 is connected with one end of a resistor R28 and a base electrode of a triode Q3, an emitter electrode of the triode Q3 and the other end of the resistor R28 are grounded, a collector electrode of the triode Q3 is connected with one end of a light emitting diode, the other end of the light emitting diode is connected with one end of a resistor R29, and the other end of the resistor R29 is connected with a VCC_BAT+ power supply.
3. A call system as claimed in claim 1, wherein: the 20 feet of the chip U17.1 are connected with the collector electrode of the triode Q5, the base electrode of the triode Q5 is connected with one end of a resistor R35 and one end of a resistor R36, the other end of the resistor R36 and the emitter electrode of the triode Q5 are grounded, the other end of the resistor R35 is connected with a reset interface EC_RST1, the 21 feet of the chip U17.1 are connected with the collector electrode of the triode Q4, the base electrode of the triode Q4 is connected with one end of a resistor R33 and one end of a resistor R34, the other end of the resistor R34 and the emitter electrode of the triode Q4 are grounded, and the other end of the resistor R33 is connected with a switch interface EC1.
4. A call system as claimed in claim 1, wherein: the pin 67 of the chip U17.1 is connected with the emitter of the triode Q7, the base of the triode Q7 is connected with one end of a capacitor C68 and one end of a resistor R40, the other end of the capacitor C68 and the other end of the resistor R40 are connected with a VDD_EXT power supply, the collector of the triode Q7 is connected with one end of a resistor R39 and the pin 18 of the chip U9, the other end of the resistor R39 is connected with 3.3V, the pin 68 of the chip U17.1 is connected with the collector of the triode Q6 and one end of a resistor R37, the other end of the resistor R37 is connected with the VDD_EXT power supply, the emitter of the triode Q6 is connected with the pin 17 of the chip U9, the base of the triode Q6 is connected with one end of a capacitor C67 and one end of a resistor R38, the other end of the capacitor C67 and the other end of the resistor R38 are connected with the VDD_EXT power supply, and the type of the chip U9 is GD32E230F8P6TR.
5. A call system as claimed in claim 4, wherein: the pin 4 of the chip U9 is connected with a reset button RST1, one end of a resistor R6 and one end of a capacitor C20, the other end of the resistor R6 is connected with 3.3V, the other end of the capacitor C20 is grounded, the pin 2 of the chip U9 is connected with one end of a capacitor C18 and the pin 1 of a crystal oscillator X1, the other end of the capacitor C18 is grounded, the pin 3 of the crystal oscillator X1 is connected with one end of a capacitor C19 and the pin 3 of the chip U9, the 10 feet of the chip U9 are connected with one end of a capacitor C23 and the 4 feet of the help function KEY KEY1, the other end of the capacitor C23 and the 2 feet of the help function KEY KEY1 are connected with a 3.3V power supply, the 6 feet of the chip U9 are connected with one end of a capacitor C25 and the 3 feet of the emergency help function KEY SOS1, the other end of the capacitor C25 and the 1 feet of the emergency help function KEY SOS1 are connected with a 3.3V power supply, and the part is used for resetting, the help function and the control of the emergency help function.
6. A call system as claimed in claim 1, wherein: the communication module comprises a chip CARD1, the model of the chip CARD1 is SMN-305-ARP7, the 1 pin of the chip CARD1 is connected with one end of a capacitor C17 and one end of a capacitor C62, and is connected with the 10 pin of the chip U17.1 in parallel, the other end of the capacitor C17 and the other end of the capacitor C62 are grounded, the 2 pin of the chip CARD1 is connected with one end of a capacitor C63, one end of a resistor R21 and the 3 pin of the chip U5, the other end of the resistor R21 is connected with the 17 pin of the chip U17.1, one end of a resistor R22 and the 1 pin of the chip U5, the other end of the resistor R22 is connected with the 16 pin of the chip U17.1, the 7 pin of the chip CARD1 is connected with one end of a capacitor C65, one end of a resistor R23 and the 4 pin of the chip U5, the other end of the resistor R23 is connected with the 15 pin of the chip U17.1, the model of the chip U5 is SMF05C, the other end of the capacitor C63, the other end of the capacitor C64 and the other end of the capacitor C65 are grounded, the part is a peripheral circuit of the CARD seat, the filter circuit and the filter circuit is mainly formed by the resistor and the filter capacitor on the chip U5 is a filter circuit for preventing the electromagnetic interference, and the filter circuit is a filter circuit for preventing the filter circuit from being formed by the chip and the filter circuit.
7. A call system as claimed in claim 1, wherein: the power module comprises a chip U18, the model of the chip U18 is RT7272BGSP, the 8 pin of the chip U18 is connected with one end of a capacitor C76 and one end of a capacitor C75, and is connected with 5V in parallel, the other end of the capacitor C76 and the other end of the capacitor C75 are grounded, the 7 pin of the chip U18 is connected with one end of a resistor R41, the other end of the resistor R41 is grounded, the 6 pin of the chip U18 is connected with one end of a capacitor C77, the other end of the capacitor C77 is connected with one end of a resistor R42, the other end of the resistor R42 is grounded, the 3 pin of the chip U18 is connected with one end of a resistor R43, the other end of the resistor R43 is connected with the 8 pin of the chip U18, the 1 pin of the chip U18 is connected with one end of a capacitor C78 and one end of a capacitor L10, the other end of the capacitor C78 is connected with the 2 pin of the chip U18, the other end of the capacitor L10 is connected with one end of a resistor R44, one end of a capacitor C81, one end of a capacitor C79, one end of a diode D80, one end of a diode D7 and one end of a diode D8, the other end of the capacitor C81, the other end of the capacitor C79 and the other end of the capacitor C80 and the other end of the diode D7 are grounded, the other end of the diode D7 is connected with the other end of the diode D9, and the other end of the diode D9 is connected with the other end of the 3, and the 3 switch is connected with the other end of the BAT and the BAT.
8. A call system as claimed in claim 7, wherein: the power module further comprises a chip LD01, the model of the chip LD01 is ME6211C33M5G-N, the 1 pin of the chip LD01 is connected with a VCC_BAT+ power supply, the 3 pin of the chip LD01 is connected with one end of a capacitor C54 and connected with the VCC_BAT+ power supply in parallel, the other end of the capacitor C54 is grounded, the 5 pin of the chip LD01 is connected with one end of a capacitor C55 and one end of a capacitor C59 and connected with 3.3V in parallel, and the other end of the capacitor C55 and the other end of the capacitor C59 are grounded;
the power module further comprises a chip U19, the model of the chip U19 is SLM4000, 3 pins of the chip U19 are connected with one end of a capacitor C82 and 2 pins of a battery interface BAT1, the other end of the capacitor C82 is grounded with 1 pin of the battery interface BAT1, 6 pins of the chip U19 are connected with one end of a resistor R46, the other end of the resistor R46 is grounded, 4 pins of the chip U19 are connected with one end of a resistor R12 and 8 pins of the chip U18, the other end of the resistor R12 is connected with one end of a full indicator lamp and one end of a charging indicator lamp, the other end of the full indicator lamp is connected with 5 pins of the chip U19, and the other end of the charging indicator lamp is connected with 1 pin of the chip U19.
9. A call system as claimed in claim 1, wherein: the audio input module comprises a microphone interface FPC2, wherein a pin 2 of the microphone interface FPC2 is connected with one end of a capacitor C11, one end of a capacitor C10, one end of a TVS tube D3, one end of a capacitor C13, one end of a capacitor C12 and 75 pins of a chip U17.2, the other end of the TVS tube D3, the other end of the capacitor C13 and the other end of the capacitor C12 are grounded, a pin 1 of the microphone interface FPC2 is connected with the other end of the capacitor C11, the other end of the capacitor C10, one end of the TVS tube D4, one end of the capacitor C9, one end of the capacitor C8 and 77 pins of the chip U17.2, and the other ends of the TVS tube D4, the other end of the capacitor C9 and the other end of the capacitor C8 are grounded.
10. A call system as claimed in claim 1, wherein: the audio input module also comprises a chip U15, the model of the chip U15 is AW8733ATQR, the 1 pin of the chip U15 is connected with one end of a resistor R18 and an interface PAM2, the other end of the resistor R18 is connected with AGND, the 4 pin of the chip U15 is connected with one end of a capacitor C61 and one end of a capacitor C38, VCC_BAT+ power is connected in parallel, the other end of the capacitor C61 and the other end of the capacitor C38 are connected with AGND, the 3 pin of the chip U15 is connected with one end of a capacitor C40, the other end of the capacitor C40 is connected with the 19 pin of the chip U15, the 6 pin of the chip U15 is connected with one end of a resistor R19 and one end of a capacitor C51, the other end of the resistor R19 is connected with one end of a capacitor C52, the other end of the capacitor C52 is connected with one end of a TVS tube D5, one end of a capacitor C71, one end of a capacitor C72, one end of a capacitor C74, one end of a capacitor C73 and the other end of a capacitor C17.2, the other end of the TVS tube D5, the other end of the capacitor C74 and the other end of the capacitor C73 are grounded, the 7 pin of chip U15 is connected with resistance R20 one end and the electric capacity C51 other end, the resistance R20 other end is connected with electric capacity C53 one end, the electric capacity C53 other end is connected with TVS pipe D6 one end, electric capacity C70 one end, electric capacity C69 one end, the electric capacity C71 other end, the electric capacity C72 other end and the 73 pin of chip U17.2, the TVS pipe D6 other end, electric capacity C69 other end and electric capacity C70 other end ground connection, the 8 pin of chip U15 is connected with electric capacity C50 one end and electric capacity C49 one end, electric capacity C50 other end and electric capacity C49 other end termination AGND, the 13 pin of chip U15 is connected with inductance L6 one end, the inductance L6 other end is connected with electric capacity C42 one end and interface FPC 3's 1 pin, the 15 pin of chip U15 is connected with inductance L5 one end, the inductance L5 other end is connected with electric capacity C41 one end and interface FPC 3's 2 pin, electric capacity C41 other end and electric capacity C42 other termination AGND, this part is audio power amplifier circuit.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1520132A (en) * | 2003-01-24 | 2004-08-11 | 英保达股份有限公司 | Telephone device possessing function of emergency call as well as calling method |
| CN1728736A (en) * | 2004-07-26 | 2006-02-01 | 赵宇 | Easy dialing method |
| CN103095922A (en) * | 2013-01-21 | 2013-05-08 | 深圳凯虹移动通信有限公司 | Method and system of rapid circular dialing based on mobile terminal device |
| CN104332035A (en) * | 2014-11-12 | 2015-02-04 | 威立方（天津）信息技术有限公司 | Method and device for elderly people living alone to make emergency calls |
| CN204423610U (en) * | 2015-01-27 | 2015-06-24 | 西安科技大学 | A kind of public place wireless emergency call device |
| CN104980597A (en) * | 2015-05-26 | 2015-10-14 | 合肥海晨网络科技有限公司 | Housebound elderly emergency call network application system supporting a plurality of communication modes |
| CN107123238A (en) * | 2017-04-24 | 2017-09-01 | 济南中景电子科技有限公司 | Old man's safety call system and call priority distribution method |
| CN218159264U (en) * | 2022-04-22 | 2022-12-27 | 山东蓝创网络技术股份有限公司 | Household wireless emergency remote calling system with voice recognition function |
-
2023
- 2023-10-23 CN CN202311368468.1A patent/CN117119110B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1520132A (en) * | 2003-01-24 | 2004-08-11 | 英保达股份有限公司 | Telephone device possessing function of emergency call as well as calling method |
| CN1728736A (en) * | 2004-07-26 | 2006-02-01 | 赵宇 | Easy dialing method |
| CN103095922A (en) * | 2013-01-21 | 2013-05-08 | 深圳凯虹移动通信有限公司 | Method and system of rapid circular dialing based on mobile terminal device |
| CN104332035A (en) * | 2014-11-12 | 2015-02-04 | 威立方（天津）信息技术有限公司 | Method and device for elderly people living alone to make emergency calls |
| CN204423610U (en) * | 2015-01-27 | 2015-06-24 | 西安科技大学 | A kind of public place wireless emergency call device |
| CN104980597A (en) * | 2015-05-26 | 2015-10-14 | 合肥海晨网络科技有限公司 | Housebound elderly emergency call network application system supporting a plurality of communication modes |
| CN107123238A (en) * | 2017-04-24 | 2017-09-01 | 济南中景电子科技有限公司 | Old man's safety call system and call priority distribution method |
| CN218159264U (en) * | 2022-04-22 | 2022-12-27 | 山东蓝创网络技术股份有限公司 | Household wireless emergency remote calling system with voice recognition function |
Non-Patent Citations (2)
| Title |
|---|
| 杨进宝;: "基于nRF905的医院病房无线呼叫系统设计", 企业技术开发, no. 11 * |
| 苏林;全书海;卫国爱;: "基于TC35模块的通信基站安防遥控系统设计", 空军雷达学院学报, no. 02 * |
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