CN211959307U

CN211959307U - Calling device circuit for household old people

Info

Publication number: CN211959307U
Application number: CN202021187384.XU
Authority: CN
Inventors: 徐诚; 杨鸿冀; 罗强; 沙莫函
Original assignee: Chengdu Maijiekang Technology Co ltd; Sichuan Zhijiushangyun Technology Service Co ltd
Current assignee: Chengdu Maijiekang Technology Co ltd; Sichuan Zhijiushangyun Technology Service Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-11-17
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a calling device circuit of old man at home, including electrical unit, MCU unit, 433 communication unit and mutual unit, electrical unit, 433 communication unit and mutual unit all are connected with 433 communication unit, and electrical unit connects 433 communication unit and mutual unit, and 433 communication unit is used for connecting the internet, and mutual unit includes button module and pilot lamp module. The utility model relates to a low cost, remote, high ageing old man at home reports to police terminal equipment circuit. The low-cost old man family that can let this equipment use any economic condition, the long-range deployment cost that can greatly reduced operator, the emergency that lets house old man can obtain the response very first time can be solved to the high time efficiency.

Description

Calling device circuit for household old people

Technical Field

The utility model relates to a house old man safety monitoring field, concretely relates to house old man calling device circuit.

Background

The system data starting point is launched by calling device, calling device settles in old man's house (position such as head of a bed, sitting room, bathroom), calling device passes through two kinds of trigger mode of button/stay cord, report calling service signal to the gateway through 433MHz wireless channel, interact through 4G passageway and cloud platform by the gateway again, after the cloud platform received the call, can push away the staff cell-phone APP that corresponds old man post house for the old man, after the staff received the call request, can pass through APP telephone callback mode in, confirm calling service's content demand with the old man, and dispatch corresponding service staff service person service of going to the home.

The equipment considers that a household keeper has weak consumption consciousness on the electronic equipment and the household scene operation and maintenance difficulty is high, so that the equipment adopts a design idea of low cost and low power consumption, and the equipment is correspondingly simplified from design, production, use and operation and maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that calling equipment can't be fit for old man service environment characteristics at home among the prior art, aim at provides a old man calling equipment circuit at home, solves calling equipment low-cost low-power consumption, is fit for old man service environment's at home problem.

The utility model discloses a following technical scheme realizes:

the utility model provides a old man calling device circuit at home, includes power supply unit, MCU unit, 433 communication unit and mutual unit, power supply unit 433 communication unit with mutual unit all with 433 communication unit connects, power supply unit connects 433 communication unit with mutual unit, 433 communication unit is used for connecting the internet, mutual unit includes button module and pilot lamp module.

The circuit design of the utility model is designed with low cost, long distance and high aging. The MM-IOT-MODULE-V3 MODULE is used to realize the characteristics of high time efficiency and long distance for communication, and the utility model is considered to be applied to the emergency call of the old at home, so the alarm response time is controlled in millisecond level in the circuit design; use this module simultaneously also can improve communication distance greatly, in order to solve the characteristics that the old man of house inhales the environment dispersion, only need install few partial warning receiving terminal in same district, can realize that every calling set homoenergetic at home accomplishes the warning and calls.

Further, a 10440 lithium battery is used as a power source of the calling device circuit.

Further, the power supply unit comprises a primary S1206B335 chip, and the S1206B335 chip is used for converting the power supply of the calling device circuit into a 3.3V dc power supply. Considering that the application population of the product is the old people at home (including the old people living alone and the old people living alone), the economic bearing capacity is limited, the caller design is mainly simple and cheap, and meanwhile, the product stability needs to be ensured, so the equipment chip adopts STM8L050J3, the characteristics of low cost are met, and the characteristics of extremely high stability are met.

Further, the power supply unit comprises a voltage division circuit, and the voltage division circuit is used for calculating the electric quantity percentage of the lithium battery.

Further, the MCU unit includes main control chip, resistance R1, resistance R3 and resistance R4, the main control chip adopts STM8L050J3, the main control chip includes 8 pins, the 2 nd pin connecting resistance R3's of main control chip one end, and resistance R3's the other end is connected 433 communication unit, the 8 th pin connecting resistance R4's of main control chip one end, resistance R4's the other end is connected 433 communication unit, the 1 st pin connecting resistance R1's of main control chip one end, resistance R1's the indicator light module, the 7 th pin of main control chip is connected the indicator light module, the 6 th pin of main control chip is connected the button module.

Further, the 433 communication unit includes a wireless communication MODULE, a resistor R6, and a P1 port, where the P1 port is used to restore factory configuration, the wireless communication MODULE employs MM-IOT-MODULE-V3, the wireless communication MODULE includes 22 pins, the 14 th pin and the 12 th pin of the wireless communication MODULE are connected to the P1 port, the 7 th pin and the 8 th pin of the wireless communication MODULE are connected to the MCU unit, the 9 th pin of the wireless communication MODULE is connected to one end of the resistor R6, and the other end of the resistor R6 is connected to the power supply unit.

Further, the key module comprises a touch key circuit, a pull rope key circuit, a resistor R8 and a capacitor C5, one end of the resistor R8 is connected with the power supply unit, the other end of the resistor R8 is connected with one end of the capacitor C5, the touch key circuit and the pull rope key circuit, and the other end of the capacitor C5 is grounded.

Further, the pilot lamp module includes a set of double-colored LED and resistance R7, double-colored LED includes 3 pins, and double-colored LED's the 1 st pin and the 3 rd pin are connected the MCU unit, double-colored LED's the 2 nd pin connecting resistance R7's one end, resistance R7's the other end is connected the power supply unit.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses satisfy simultaneously the requirement to distance and ageing under the old man scene at home, use MM-IOT-MODULE-V3 MODULE to make the communication can reach high ageing, remote characteristics, consider that the utility model discloses an use at home the old man and promptly call, therefore the warning response time control is in millisecond level; use this module simultaneously also can improve communication distance greatly, in order to solve the characteristics that the old man of house inhales the environment dispersion, only need install few partial warning receiving terminal in same district, can realize that every calling set homoenergetic at home accomplishes the warning and calls. Meanwhile, the application population of the product is the family old people (including the solitary old people and the solitary old people), the economic bearing capacity is limited, the pager design is mainly simple and cheap, and the product stability needs to be guaranteed, so that the STM8L050J3 is adopted as the equipment chip, the low-cost characteristic is met, and the extremely high-stability characteristic is met. The low-cost can let this equipment circuit can use the old man family of any economic condition, and the long-range deployment cost that can greatly reduced operator, high ageing can be solved and let the emergency of old man at home can obtain the response very first time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic circuit diagram of embodiment 1;

FIG. 2 is a circuit diagram of a power supply portion of embodiment 1;

fig. 3 is a circuit diagram of an indicator lamp module of embodiment 1;

FIG. 4 is a circuit diagram of an MCU section of embodiment 1;

FIG. 5 is a circuit diagram of the RF-433MH communication section of embodiment 1;

fig. 6 is a circuit diagram of the key module of embodiment 1.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

The prior art is divided into three categories: the first type is a communication mode using wifi, zigbee, bluetooth and the like, the mode is common to a living network, and the distance and the time efficiency cannot be met simultaneously. The second type is to use operator network, 2G/4G, etc., which needs to rely on operator signal coverage and generates operation cost (operator telephone charge), and this kind of equipment cost saving will be very high, and in addition, operation cost will bring some burden to the life of the old. The third type is to use 433/915 equal frequency channels, and the products cannot be compatible with distance, time efficiency and cost in the old-age scene.

Example 1

Fig. 1 shows a schematic diagram of a circuit structure of a household old-person calling device in this embodiment 1, where a hardware design is divided into four parts, a power supply part, an MCU part, a 433 communication part, and an interaction part.

The power supply part is shown in fig. 2, the whole system is powered by a 10440 lithium battery, and a first-stage S1206B335 is used for outputting a DC-3.3V power supply to be used as a MCU and an RF communication chip for power supply. In addition, R2 and R5 constitute a voltage division circuit, the battery voltage is sent to an ADC port of the MCU for sampling, and the battery power percentage is calculated for later operation and maintenance.

The MCU part is shown in FIG. 4, the main control chip adopts STM8L050J3, and the MCU part mainly uses a group of UART interfaces, a program programming interface and a plurality of independent interfaces. The serial ports TX and RX are used for data receiving and transmitting of the RF wireless communication MODULE MM-IOT-MODELE-V3, and the serial ports R3 and R4 are connected in series to serve as isolation resistors. There are additional interfaces, KEY1 is a call button detection port, connecting the button and the pull-cord button in parallel. LED _ R, LED _ G is the call in and call success indicator light interfaces, respectively. The program programming interface only has three pins of VCC, GND and SWIM, and is directly connected to the MCU for programming. Since SWIM and LED _ G are used as multiplexing interfaces, an R1 resistor is connected in series to be used as isolation.

The 433 communication part is shown in fig. 5, and an MM-IOT-MODULE-V3 wireless communication MODULE is adopted, because the chip has the characteristics of long communication distance, strong anti-interference capability, stable performance under various limit conditions, and the like. The MM-IOT-MODELE-V3 can work in two MODEs, one is a low power consumption wake-up MODE (pull-up) and the other is a continuous working MODE (pull-down), and is controlled by the MODE interface, and at the caller end, the equipment is continuously in the low power consumption wake-up MODE, so that the MODE port of the equipment is pulled up through an R6 resistor. TX and RX are used as communication interfaces with the MCU, are connected to the MCU through isolation resistors and operate the operation process of the MCU. And the MM-IOT-MODELE-V3 MODULE is used for realizing communication with the gateway. The main function is to report alarm information and equipment heartbeat information. The P1 port serves as a communication module configuration port, and the communication module is factory configured through the port.

Wherein, the interactive part comprises two modules: the key module and the pilot lamp module. As shown in fig. 6, the key module is composed of two keys and associated resistor capacitors, R8 is a pull-up resistor, and C5 is a key anti-shake filter capacitor. Wherein, K1 and K2 are both used for the calling of the elders, but the key forms are different; k1 is a touch button, and K2 is a pull button. As shown in fig. 3, the indicator light module is composed of a group of two-color LEDs, and is directly triggered by an IO port of the MCU, wherein the red LED is used to prompt the device to call, and the green LED is used to indicate that the call is successful. Click on the K1 or K2 buttons: triggering a call and sending call information. The red LED is on at the same time as the call is triggered. And after the call is successfully sent, the red LED is turned off, and the green LED is turned on. And if the calling is unsuccessful, the red LED is continuously lightened and then is extinguished, and the green LED is not triggered.

The circuit of the household old-person calling device in the embodiment 1 has the following basic parameters:

emission power: 20 dbm; reception sensitivity: -120 dbm; carrier frequency: 433 MHz; the battery specification is as follows: 10440; battery capacity: 280 mAh; sending current: less than 120 mA; sleep current: less than 10 uA; the use time is as follows: for more than one year.

The circuit design of the utility model is primarily designed with low cost, long distance and high aging. The MM-IOT-MODULE-V3 MODULE is used to enable the communication to achieve the characteristics of high time efficiency and long distance, and the utility model is considered to be applied to the emergency call of the old at home, so the alarm response time is controlled in millisecond level; use this module simultaneously also can improve communication distance greatly, in order to solve the characteristics that the old man of house inhales the environment dispersion, only need install few partial warning receiving terminal in same district, can realize that every calling set homoenergetic at home accomplishes the warning and calls. Meanwhile, the application population of the product is the family old people (including the solitary old people and the solitary old people), the economic bearing capacity is limited, the pager design is mainly simple and cheap, and the product stability needs to be guaranteed, so that the STM8L050J3 is adopted as the equipment chip, the low-cost characteristic is met, and the extremely high-stability characteristic is met.

Example 2

This embodiment 2 is a old man calling device circuit at home, and calling device circuit includes power supply unit, MCU unit, 433 communication unit and interactive unit, and power supply unit, 433 communication unit and interactive unit all are connected with 433 communication unit, and power supply unit connects 433 communication unit and interactive unit, and 433 communication unit is used for connecting the internet, and interactive unit includes button module and pilot lamp module.

A 10440 lithium battery is used as the power source for the calling device circuitry. The power supply unit comprises a stage of S1206B335 chip, and the S1206B335 chip is used for converting the power supply of the calling equipment circuit into a 3.3V direct current power supply. The power supply unit comprises a voltage division circuit, and the voltage division circuit is used for calculating the electric quantity percentage of the lithium battery.

The MCU unit includes the main control chip, resistance R1, resistance R3 and resistance R4, the main control chip adopts STM8L050J3, the main control chip includes 8 pins, the 2 nd pin connecting resistance R3's of main control chip one end, 433 communication unit is connected to resistance R3's the other end, the 8 th pin connecting resistance R4's of main control chip one end, 433 communication unit is connected to resistance R4's the other end, the 1 st pin connecting resistance R1's of main control chip one end, resistance R1's other end pilot lamp module, the pilot lamp module is connected to the 7 th pin of main control chip, key module is connected to the 6 th pin of main control chip.

The 433 communication unit comprises a wireless communication MODULE, a resistor R6 and a P1 port, the P1 port is used for recovering factory configuration, the wireless communication MODULE adopts MM-IOT-MODULE-V3, the wireless communication MODULE comprises 22 pins, the 14 th pin and the 12 th pin of the wireless communication MODULE are connected with the P1 port, the 7 th pin and the 8 th pin of the wireless communication MODULE are connected with the MCU unit, the 9 th pin of the wireless communication MODULE is connected with one end of a resistor R6, and the other end of the resistor R6 is connected with the power supply unit.

The key module comprises a touch key circuit, a pull rope key circuit, a resistor R8 and a capacitor C5, one end of the resistor R8 is connected with the power supply unit, the other end of the resistor R8 is connected with one end of the capacitor C5, the touch key circuit and the pull rope key circuit, and the other end of the capacitor C5 is grounded. The pilot lamp module includes a set of double-colored LED and resistance R7, and double-colored LED includes 3 pins, and MCU unit is connected to double-colored LED's the 1 st pin and the 3 rd pin, and double-colored LED's the 2 nd pin connecting resistance R7's one end, and power supply unit is connected to resistance R7's the other end.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a old man calling device circuit at home, a serial communication port, calling device circuit includes power supply unit, MCU unit, 433 communication unit and mutual unit, power supply unit 433 communication unit with mutual unit all with 433 communication unit connects, power supply unit connects 433 communication unit with mutual unit, 433 communication unit is used for connecting the internet, mutual unit includes button module and pilot lamp module.

2. The circuit of claim 1, wherein a 10440 lithium battery is used as a power source for the calling device circuit.

3. The circuit of claim 2, wherein the power unit comprises a stage of S1206B335 chip, the S1206B335 chip being configured to convert the power of the calling device circuit to 3.3V dc power.

4. The circuit of claim 2, wherein the power supply unit comprises a voltage divider circuit for calculating the percentage of charge of the lithium battery.

5. The circuit of claim 1, wherein the MCU unit comprises a main control chip, a resistor R1, a resistor R3 and a resistor R4, the main control chip adopts STM8L050J3, the main control chip comprises 8 pins, a 2 nd pin of the main control chip is connected with one end of the resistor R3, the other end of the resistor R3 is connected with the 433 communication unit, an 8 th pin of the main control chip is connected with one end of the resistor R4, the other end of the resistor R4 is connected with the 433 communication unit, a 1 st pin of the main control chip is connected with one end of the resistor R1, the other end of the resistor R1 is connected with the indicator light module, a 7 th pin of the main control chip is connected with the indicator light module, and a 6 th pin of the main control chip is connected with the key module.

6. The circuit for housebound elderly calling devices according to claim 1, wherein the 433 communication unit comprises a wireless communication MODULE, a resistor R6 and a P1 port, the P1 port is used for restoring factory configuration, the wireless communication MODULE adopts MM-IOT-MODULE-V3, the wireless communication MODULE comprises 22 pins, the 14 th pin and the 12 th pin of the wireless communication MODULE are connected to the P1 port, the 7 th pin and the 8 th pin of the wireless communication MODULE are connected to the MCU unit, the 9 th pin of the wireless communication MODULE is connected to one end of a resistor R6, and the other end of the resistor R6 is connected to the power supply unit.

7. The circuit of claim 1, wherein the key module comprises a light touch key circuit, a pull cord key circuit, a resistor R8 and a capacitor C5, one end of the resistor R8 is connected to the power supply unit, the other end of the resistor R8 is connected to one end of the capacitor C5, the light touch key circuit and the pull cord key circuit, and the other end of the capacitor C5 is grounded.

8. The circuit of claim 1, wherein the indicator light module comprises a set of bi-color LEDs and a resistor R7, the bi-color LEDs comprise 3 pins, the 1 st pin and the 3 rd pin of the bi-color LEDs are connected to the MCU unit, the 2 nd pin of the bi-color LEDs is connected to one end of a resistor R7, and the other end of the resistor R7 is connected to the power supply unit.