Intelligent protection machine control circuit for old people

Abstract

The utility model relates to an intelligent protective machine control circuit for old people, which comprises a radio player circuit, a positioner function module and a calling module, and further comprises a detection unit, a voice recording and playing circuit, a controller, a flash alarm circuit, an audio amplifying circuit and a driving circuit, the output end of the controller is respectively connected with a voice recording and playing circuit and an audio amplifying circuit through a driving circuit, the voice recording and playing circuit is connected with a microphone, the output end of the audio amplifying circuit is connected with a loudspeaker, and the audio amplifying circuit is electrically connected with the voice recording and playing circuit; the output end of the controller is also connected with a radio player circuit and a positioner function module through a driving circuit; and the output end of the controller is connected with a flash alarm circuit. According to the utility model, the controller is arranged, and through the controller, the detection unit and the driving circuit, the control and switching of the functions of automatically turning off the radio player, flashing alarm, voice help seeking, position reporting and telephone calling are realized after the old man falls down.

Description

Technical Field

[0001] The utility model relates to the technical field of daily necessities, and in particular to a control circuit of an intelligent elderly care machine. Background Art

[0002] The elderly love to use radio players. When they have time, they will take them with them to listen to operas, songs, and novels. They are inseparable when they go for walks and chat. As they age, the elderly's motor ability and learning ability decline, and their ability to deal with emergencies decreases. Therefore, the elderly need outdoor care when there is no one to accompany them. If the functions of automatically shutting down the program being listened to, flashing alarms, automatic protection, sending alarm text messages to relatives, sending location information, and making phone calls are combined with the radio player module, it will not only be convenient to carry, but also effectively ensure the safety of the elderly's movements. For example, CN207473804U, a multi-purpose machine for elderly care, and CN208044818U, a control circuit for an intelligent elderly care machine disclosed by the applicant, integrate and connect the modules that support the above functions through the control circuit to achieve the effect of accompanying the elderly. In the event of an accident, especially when the elderly fall, the elderly are automatically helped to seek help from the outside world and their families.

[0003] With the development of electronic circuits, embedded systems are gradually replacing existing circuits. Therefore, it is urgent to improve the circuits in CN207473804U and CN208044818U to make the circuit structure simpler, the device smaller and reduce the cost of the finished device. Summary of the invention

[0004] In order to solve the above problems, the utility model proposes a control circuit of an intelligent elderly care machine, which is provided with a controller. Through the controller, a detection unit and a driving circuit, the player being listened to is automatically turned off after the elderly falls, and the control and switching of voice help, light help, location reporting and telephone call functions are realized.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a control circuit of an intelligent elderly care device, including a radio player circuit, a locator function module and a call module, and also includes a detection unit, a voice recording and playback circuit, a controller, a flash alarm circuit, an audio amplifier circuit and a drive circuit. The input end of the controller is connected to the detection unit, and the output end of the controller is respectively connected to the voice recording and playback circuit and the audio amplifier circuit through the drive circuit. The voice recording and playback circuit is connected to a microphone, and the output end of the audio amplifier circuit is connected to a speaker. The audio amplifier circuit and the voice recording and playback circuit are electrically connected;

[0006] The output end of the controller is also connected to the radio player circuit and the locator function module through the driving circuit;

[0007] The output end of the controller is connected with a flash alarm circuit.

[0008] The radio player circuit is provided with a shell, and the radio player circuit and the shell are combined to form a radio player. The elderly intelligent care machine control circuit is arranged inside the shell, which is convenient for users to carry.

[0009] Furthermore, the voice recording and playback circuit includes a voice recording and playback chip and a recording button, the REC pin of the voice recording and playback chip is connected to the recording button, the MIC pin of the voice recording and playback chip is connected to the microphone, and the output pin of the voice recording and playback chip is connected to the input end of the audio amplifier circuit;

[0010] The driving circuit comprises a first optical coupling element, the input end of the first optical coupling element is connected to the controller, and the output end of the first optical coupling element is connected to the PLAYL pin of the voice recording and playback chip.

[0011] The voice for help is recorded and stored through the voice recording and playback chip. The voice recording and playback circuit is controlled through the first optical coupler element. Press the recording button to record the voice for help.

[0012] Further, the driving circuit includes a first triode driving circuit, the first triode driving circuit includes a first triode, the base of the first triode is connected to the output end of the controller, the collector of the first triode is connected to the audio amplifier circuit, and the emitter of the first triode is connected to the power supply;

[0013] The speaker is connected to a power source through an audio amplifier circuit and a first transistor drive circuit to form a loop. The power supply of the speaker is controlled by a controller through the first transistor drive circuit.

[0014] In order to achieve better playback effect, an audio amplifier circuit is set between the speaker and the voice recording and playback chip.

[0015] Furthermore, the flash alarm circuit includes a multi-color LED lamp and a driver, wherein the output end of the driver is connected to the controller, and the output end of the driver is connected to the positive electrode of the multi-color LED lamp.

[0016] The controller controls the on and off of the multi-color LED lamp through the driver. The multi-color LED lamp is a multi-color LED lamp. The driver is used to realize the multi-color LED lamp to switch colors according to the settings.

[0017] Further, the driving circuit includes a second triode driving circuit, the second triode driving circuit includes a second triode, the base of the second triode is connected to the output end of the controller, the collector of the second triode is connected to the radio player circuit, and the emitter of the second triode is connected to the power supply;

[0018] The radio player circuit is connected to the power supply through the second transistor driving circuit to form a loop.

[0019] In the help-seeking state, the radio player should be in a power-off state, so the controller controls the radio player circuit to be powered on or off through the second transistor driving circuit.

[0020] Furthermore, the calling module includes a calling chip and a SIM module, and the calling chip and the SIM module are connected via an I2C serial port communication;

[0021] The driving circuit comprises a second optocoupler and a third optocoupler, the input end of the second optocoupler is connected to the controller, and the output end of the second optocoupler is connected to the input end of the call chip;

[0022] The input end of the third optical coupling element is connected to the controller, and the output end of the third optical coupling element is connected to the input end of the SIM module;

[0023] The output end of the calling chip is connected to the input end of the audio amplifier circuit, and the calling chip is connected to a second speaker.

[0024] Furthermore, a key switch is provided between the third optical coupling element and the SIM module, and the key switch is a self-locking switch.

[0025] Furthermore, the locator function module includes a GPS chip, and the GPS chip is communicatively connected with the call chip.

[0026] Through the above technical solution, the beneficial effects of the utility model are:

[0027] (1) The utility model optimizes the circuit structure and adopts an embedded design. The circuit structure is simple, the circuit volume is reduced, and it is easy to be arranged inside the radio player. In addition, it is more stable and has lower cost than the existing circuit.

[0028] (2) The utility model adds a control circuit to the original radio player box, which is convenient for the elderly to carry with them. When the elderly falls, the detection unit will close and output an electrical signal to the controller, and then the controller will power off the radio player circuit through the driving circuit. Then the controller will drive the voice recording and playback circuit to work, and at the same time, the audio amplifier circuit and the speaker will be powered on. The voice recording and playback circuit will play the recorded voice for help, and the speaker will play the voice for help, attracting the attention of outdoor passers-by. At the same time, the controller will power on the multi-color LED light through the driver, which is easy to attract the attention of outdoor passers-by.

[0029] (3) When an elderly person falls, the detection unit of the utility model will close and output an electrical signal to the controller. The controller provides a trigger signal to the call module through the driving circuit, providing a hardware basis for asking for help from family members. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1This is one of the circuit diagrams of a control circuit of an intelligent elderly care device of the utility model;

[0031] Figure 2 This is the second circuit diagram of the control circuit of an intelligent elderly care device of the utility model;

[0032] Figure 3 The utility model is an electrical schematic diagram of a control circuit of an intelligent elderly care machine.

[0033] Figure numbers: 1 is a detection unit, 2 is a voice recording and playback circuit, 3 is a controller, 4 is a flash alarm circuit, 5 is an audio amplifier circuit, 6 is a drive circuit, 7 is a speaker, 8 is a microphone, 9 is a radio player circuit, 10 is a locator function module, 11 is a call module, 201 is a voice recording and playback chip, 202 is a recording button, 401 is a multi-color LED lamp, 402 is a driver, 601 is a first optical coupling element, 602 is a first transistor drive circuit, 603 is a second transistor drive circuit, 604 is a second optical coupling element, 605 is a third optical coupling element, 1101 is a call chip, 1102 is a SIM module, and 12 is a key switch. DETAILED DESCRIPTION

[0034] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0035] Example 1

[0036] like Figures 1 to 3 As shown, a control circuit of an intelligent elderly care device includes a radio player circuit 9, a locator function module 10 and a call module 11, and also includes a detection unit 1, a voice recording and playback circuit 2, a controller 3, a flash alarm circuit 4, an audio amplifier circuit 5 and a drive circuit 6. The input end of the controller 3 is connected to the detection unit 1, and the output end of the controller 3 is connected to the voice recording and playback circuit 2 and the audio amplifier circuit 5 through the drive circuit 6. The voice recording and playback circuit 2 is connected to a microphone 8, and the output end of the audio amplifier circuit 5 is connected to a speaker 7. The audio amplifier circuit 5 and the voice recording and playback circuit 2 are electrically connected;

[0037] The output end of the controller 3 is also connected to the radio player circuit 9 and the locator function module 10 through the driving circuit 6;

[0038] The output end of the controller 3 is connected to a flash alarm circuit 4 .

[0039] like Figure 1 The voice recording and playback circuit 2 includes a voice recording and playback chip 201 and a recording button 202, the REC pin of the voice recording and playback chip 201 is connected to the recording button 202, the MIC pin of the voice recording and playback chip 201 is connected to the microphone 8, and the output pin of the voice recording and playback chip 201 is connected to the input end of the audio amplifier circuit 5;

[0040] The driving circuit 6 includes a first optical coupling element 601 , an input end of the first optical coupling element 601 is connected to the controller 3 , and an output end of the first optical coupling element 601 is connected to the PLAYL pin of the voice recording and playback chip 201 .

[0041] The preferred voice recording and playback circuit 2 uses the ISD1820PY chip.

[0042] The driving circuit 6 comprises a first transistor driving circuit 602, wherein the first transistor driving circuit 602 comprises a first transistor, wherein the base of the first transistor is connected to the output end of the controller 3, the collector of the first transistor is connected to the audio amplifier circuit 5, and the emitter of the first transistor is connected to a power supply;

[0043] The speaker 7 is connected to a power source via the audio amplifier circuit 5 and the first transistor drive circuit 602 to form a loop.

[0044] The preferred audio amplifier circuit 5 uses the TDA2822M amplifier chip.

[0045] The flash alarm circuit 4 includes a multi-color LED lamp 401 and a driver 402 . The output end of the driver 402 is connected to the controller 3 , and the output end is connected to the positive electrode of the multi-color LED lamp 401 .

[0046] The preferred driver 402 is the SC80G driver chip.

[0047] The driving circuit 6 includes a second triode driving circuit 603, wherein the second triode driving circuit 603 includes a second triode, wherein the base of the second triode is connected to the output end of the controller 3, the collector of the second triode is connected to the radio player circuit 9, and the emitter of the second triode is connected to the power supply;

[0048] The radio player circuit 9 is connected to the power supply via the second transistor driving circuit 603 to form a loop.

[0049] like Figure 2 As shown, the call module 11 includes a call chip 1101 and a SIM module 1102, and the call chip 1101 and the SIM module 1102 are connected via an I2C serial port communication;

[0050] The driving circuit 6 includes a second optical coupler 604 and a third optical coupler 605, the input end of the second optical coupler 604 is connected to the controller 3, and the output end of the second optical coupler 604 is connected to the input end of the call chip 1101;

[0051] The input end of the third optical coupling element 605 is connected to the controller 3, and the output end of the third optical coupling element 605 is connected to the input end of the SIM module 1102;

[0052] The output end of the calling chip 1101 is connected to the input end of the audio amplifier circuit 5 , and the calling chip 1101 is connected to a second speaker.

[0053] A key switch 13 is provided between the third optical coupling element 605 and the SIM module 1102 , and the key switch 13 is a self-locking switch.

[0054] The locator function module 10 includes a GPS chip, and the GPS chip is communicatively connected with the call chip 1101 .

[0055] Preferably, the SIM module 1102 uses a GA6 chip and a SIM component, the call chip 1101 uses an STM32 single-chip microcomputer, and the controller 3 uses an STC15W408 single-chip microcomputer.

[0056] The locator function module 10 includes a GPS chip, and the GPS chip is communicatively connected with the call chip 1101 .

[0057] The detection unit 1 is a mercury switch.

[0058] Under normal circumstances, the radio player circuit 9 is powered on, and the user can listen to operas, songs, novels, etc. through the radio player circuit 9. When the user carries the radio player and falls, the detection unit 1 outputs an electrical signal, and the electrical signal generated by the closing of the detection unit 1 is received by the controller 3, and the controller 3 turns off the transistor of the second transistor driving circuit 603, and the radio player circuit 9 is powered off, and the radio player stops working.

[0059] The controller 3 turns on the first optical coupler element 601, and the PLAYL pin of the voice recording and playback chip 201 plays the recorded voice for help after receiving the electrical signal. At the same time, the controller 3 turns on the first transistor drive circuit 602, and the audio amplifier circuit 5 is powered on. The voice recording and playback chip 201 makes the speaker 7 play the voice for help through the audio amplifier circuit 5.

[0060] At the same time, the controller 3 powers on the multi-color LED lamp 401 through the driver 402, and controls the multi-color LED lamp 401 to flash and emit light of different colors, forming a flash alarm.

[0061] Then the controller 3 turns on the second optical coupler 604, and the calling module 11 receives the electrical signal. The calling module 11 dials a preset telephone number to ask for help from family members.

[0062] During this process, the user puts the radio player upright, the detection unit 1 is reset, and the controller 3 resets the security machine control circuit through the driving circuit 6. The voice recording and playback circuit 2 and the flash alarm circuit 4 stop working.

[0063] The electrical signal at the input end of the calling module 11 disappears. The calling module 11 hangs up the phone.

[0064] The key switch 13 is set to manually hang up the phone. Under normal circumstances, the key switch 13 is closed, the third optical coupling element 605 is connected to the SIM module 1102, and the key switch 13 is pressed, the key switch 13 is disconnected, the SIM module 1102 is powered off, and the call is hung up.

[0065] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features and principles described in the patent scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A control circuit of an intelligent elderly care device, comprising a radio player circuit (9), a locator function module (10) and a call module (11), characterized in that: It also comprises a detection unit (1), a voice recording and playback circuit (2), a controller (3), a flash alarm circuit (4), an audio amplifier circuit (5) and a drive circuit (6), wherein the input end of the controller (3) is connected to the detection unit (1), the output end of the controller (3) is connected to the voice recording and playback circuit (2) and the audio amplifier circuit (5) via the drive circuit (6), the voice recording and playback circuit (2) is connected to a microphone (8), the output end of the audio amplifier circuit (5) is connected to a speaker (7), and the audio amplifier circuit (5) and the voice recording and playback circuit (2) are electrically connected; The output end of the controller (3) is also connected to the radio player circuit (9) and the locator function module (10) through the driving circuit (6); The output end of the controller (3) is connected to a flash alarm circuit (4).

2. The control circuit of the intelligent elderly care device according to claim 1, characterized in that: The voice recording and playback circuit (2) comprises a voice recording and playback chip (201) and a recording button (202), the REC pin of the voice recording and playback chip (201) is connected to the recording button (202), the MIC pin of the voice recording and playback chip (201) is connected to the microphone (8), and the output pin of the voice recording and playback chip (201) is connected to the input end of the audio amplifier circuit (5); The driving circuit (6) comprises a first optical coupling element (601), wherein the input end of the first optical coupling element (601) is connected to the controller (3), and the output end is connected to the PLAYL pin of the voice recording and playback chip (201).

3. The control circuit of the intelligent elderly care device according to claim 1 is characterized in that: The driving circuit (6) comprises a first triode driving circuit (602), the first triode driving circuit (602) comprising a first triode, the base of the first triode being connected to the output end of the controller (3), the collector of the first triode being connected to the audio amplifier circuit (5), and the emitter of the first triode being connected to a power supply; The speaker (7) is connected to a power source via an audio amplifier circuit (5) and a first transistor drive circuit (602) to form a loop.

4. The control circuit of the intelligent elderly care device according to claim 1 is characterized in that: The flash alarm circuit (4) comprises a multi-color LED lamp (401) and a driver (402), wherein the output end of the driver (402) is connected to the controller (3), and the output end is connected to the positive electrode of the multi-color LED lamp (401).

5. The control circuit of the intelligent elderly care device according to claim 1 is characterized in that: The driving circuit (6) comprises a second triode driving circuit (603), the second triode driving circuit (603) comprises a second triode, the base of the second triode is connected to the output end of the controller (3), the collector of the second triode is connected to the radio player circuit (9), and the emitter of the second triode is connected to the power supply; The radio player circuit (9) is connected to the power supply via the second transistor driving circuit (603) to form a loop.

6. The control circuit of the intelligent elderly care device according to claim 2, characterized in that: The calling module (11) comprises a calling chip (1101) and a SIM module (1102), wherein the calling chip (1101) and the SIM module (1102) are connected via an I2C serial port communication; The driving circuit (6) comprises a second optical coupling element (604) and a third optical coupling element (605), the input end of the second optical coupling element (604) being connected to the controller (3), and the output end of the second optical coupling element (604) being connected to the input end of the calling chip (1101); The input end of the third optical coupling element (605) is connected to the controller (3), and the output end of the third optical coupling element (605) is connected to the input end of the SIM module (1102); The output end of the calling chip (1101) is connected to the input end of the audio amplifier circuit (5), and the calling chip (1101) is connected to a second speaker.

7. The control circuit of the intelligent elderly care device according to claim 6, characterized in that: A key switch (13) is provided between the third optical coupling element (605) and the SIM module (1102), and the key switch (13) is a self-locking switch.

8. The control circuit of the intelligent elderly care device according to claim 6 is characterized in that: The locator function module (10) comprises a GPS chip, and the GPS chip is communicatively connected with the call chip (1101).

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