Wireless Bluetooth electric nursing bed control system

Abstract

The utility model relates to the technical field of wireless Bluetooth electric nursing bed control systems, in particular to a wireless Bluetooth electric nursing bed control system. Comprising a single chip microcomputer, an environment temperature and humidity module, a body temperature monitoring module, a water level monitoring module, an emergency call module, a timing reminding module, a Bluetooth communication module and a display screen which are arranged on the nursing bed. The single-chip microcomputer is electrically connected with an environment temperature and humidity module, a body temperature monitoring module, a water level monitoring module, an emergency call module, a timing reminding module, a Bluetooth communication module and a display screen. And the Bluetooth communication module is in two-way communication with a mobile phone APP. The Bluetooth electric nursing bed control system can monitor physiological indexes and surrounding environment data of old people in real time, has timing reminding and emergency calling functions, is stable and reliable in operation, can provide guarantee for the safety of the old people, realizes safe and efficient nursing service, and is suitable for popularization and application. The method has wide application potential and remarkable social and economic benefits in the field of medical care.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless bluetooth electric nursing bed control system technical field especially wireless bluetooth electric nursing bed control system. BACKGROUND

[0002] With the medical health service more and more popular and the continuous optimization of medical facilities, the average life expectancy of human beings has been significantly improved. However, with the passage of time, the human body function will gradually decline, or be plagued by diseases, so that the self-care ability of part of the elderly gradually weakens, and needs to rely on professional nursing personnel. However, the young people nowadays are often busy with work, lack enough time and energy to take care of the old people, therefore, the old people intelligent monitoring system emerges as the times require. The nursing bed as a common medical auxiliary equipment is widely used in helping the group who loses self-care ability, however, it more focuses on mechanical operation, and cannot fully meet the diversified needs of users. Now a nursing bed relying on wireless bluetooth control system can meet more functional requirements is needed. SUMMARY

[0003] In order to overcome the existing deficiencies, the utility model provides a wireless bluetooth electric nursing bed control system.

[0004] The utility model discloses a wireless bluetooth electric nursing bed control system, characterized by including single-chip microcomputer, environmental temperature and humidity module, body temperature monitoring module, water level monitoring module, emergency call module, timing reminding module, bluetooth communication module and display screen arranged on the nursing bed, the single-chip microcomputer is electrically connected with environmental temperature and humidity module, body temperature monitoring module, water level monitoring module, emergency call module, timing reminding module, bluetooth communication module and display screen, the environmental temperature and humidity module includes temperature and humidity sensor, fan and humidifier, the body temperature monitoring module is non-contact infrared temperature measurement sensor, the water level monitoring module is liquid level sensor arranged in the kettle, the emergency call module includes call button, communication module and buzzer, the timing reminding module includes voice module, timing button, rudder machine, the bluetooth communication module communicates with cell -phone APP bidirectionally.

[0005] According to another embodiment of the utility model, further include, the nursing bed includes bedstead and bed board, the bed head of bedstead is equipped with temperature and humidity sensor and non-contact infrared temperature measurement sensor, one side is equipped with the material plate, and the bed tail is equipped with buzzer, the material plate is equipped with display screen, kettle, timing button, call button, voice module, fan and humidifier, the bed board includes movable plate and fixed plate, and movable plate is connected on the bedstead through rudder machine control, and fixed plate is fixed on the bedstead.

[0006] According to another embodiment of the utility model, further include, the temperature and humidity sensor selects the sensor that model number is DHT11, VCC pin connects power anode, DATA pin and singlechip bidirectional transmission, GND pin ground connection;The fan and humidifier use relay as peripheral switch, connect peripheral into relay output, relay pin connects singlechip I / O port, pass through control I / O port level control peripheral's conduction.

[0007] According to another embodiment of the utility model, further include, the non-contact infrared temperature sensor selects MLX90614 sensor, through SCL, SDA signal line and singlechip link machine I / O port, adopt SMBus agreement to singlechip output sensor's data, simultaneously SCL, SDA signal line passes through 4.7KΩ pull-up resistance and connects to 3.3V.

[0008] According to another embodiment of the utility model, further include, the liquid level sensor selects the sensor that model number is YW01, including liquid level detection board and signal conversion module through pin AO output voltage analog signal to singlechip I / O port.

[0009] According to another embodiment of the utility model, further include, the communication module selects SIM900A module, connects a GSM module, wherein pin TXD and singlechip serial port pin RXD are connected, pin RXD connects singlechip serial port pin TXD;Buzzer selects the active buzzer that model number is SFM-27, black line ground connection, oven is connected singlechip's I / O port.

[0010] According to another embodiment of the utility model, further include, the voice module selects the voice module that model number is ISD1820, P-E pin is connected singlechip's I / O port.

[0011] According to another embodiment of the utility model, further include, the bluetooth communication module selects JDY-31 bluetooth module and realizes, pin RXD and singlechip serial port TXD are connected, pin TXD and singlechip serial port RXD are connected.

[0012] The utility model discloses the beneficial effect is, wireless bluetooth electric nursing bed control system can monitor the physiological index of old person and surrounding environment data in real time, and possess timing reminder and emergency help function, this system runs stably reliable, can provide strong guarantee for the safety of old person, realizes safe and efficient nursing service, in medical care field, this system has extensive application potential and remarkable social economic benefits. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further explained below in connection with the drawings and examples.

[0014] Figure 1 is a structural schematic diagram of the utility model;

[0015] Figure 2 is the electrical connection diagram of the utility model;

[0016] Figure 3 is the circuit diagram of the temperature and humidity sensor;

[0017] Figure 4 is the circuit diagram of the non-contact infrared temperature sensor;

[0018] Figure 5 is the circuit diagram of the liquid level sensor.

[0019] Fig. 1, nursing bed, 2, bed frame, 3, bed board, 4, storage board, 5, temperature and humidity sensor, 6, non-contact infrared temperature sensor, 7, kettle, 8, display screen, 9, timing button, 10, call button, 11, voice module, 12, fan, 13, humidifier, 14, rudder, 15, buzzer. DETAILED DESCRIPTION

[0020] As Figure 1 is the structural schematic diagram of the utility model, a wireless Bluetooth electric nursing bed control system, including the singlechip, environmental temperature and humidity module, body temperature monitoring module, water level monitoring module, emergency call module, timing reminding module, Bluetooth communication module and display screen 8 arranged on the nursing bed 1;The singlechip selects STM32F103C8T6 and is electrically connected with environmental temperature and humidity module, body temperature monitoring module, water level monitoring module, emergency call module, timing reminding module, Bluetooth communication module and display screen 8;The environmental temperature and humidity module includes temperature and humidity sensor 5, fan 12 and humidifier 13;The body temperature monitoring module is non-contact infrared temperature sensor 6;The water level monitoring module is the liquid level sensor arranged in the kettle 7;The emergency call module includes call button, communication module and buzzer 15;The timing reminding module includes voice module 11, timing button 9, rudder 14;The Bluetooth communication module and mobile phone APP bidirectional communication.

[0021] The specific operation process is that the singlechip confirms environmental temperature and humidity threshold value, water level position threshold value and human body temperature threshold value, then the singlechip environmental temperature and humidity module, body temperature monitoring module and water level monitoring module collect data, when temperature and humidity change, start fan 12 and humidifier 13 to adjust, when body temperature exceeds threshold value, alarm through buzzer 15, when water level is below threshold value, remind staff to add water, patients realize emergency call through the call button of emergency call module and communication module, the timing reminding module confirms specified time in timing button 9, then rotates rudder 14 to lift bed board, and reminds patients to drink medicine through voice module 11 and other events that need to be prompted.

[0022] Specifically, the environment temperature and humidity module is realized by the fan 12, the humidifier 13 and the temperature and humidity sensor 5, threshold values of the environment temperature and the environment humidity are set on the single-chip microcomputer, when the environment temperature is greater than the set temperature threshold value, the single-chip microcomputer will start the fan 12 to realize the adjustment of the environment temperature, and when the environment humidity is less than the set humidity threshold value, the single-chip microcomputer will start the humidifier 13 to realize the adjustment of the environment humidity.

[0023] According to another embodiment of the utility model, further include, the nursing bed 1 includes bed frame 2 and bed board 3, the bed head of bed frame 2 is equipped with temperature and humidity sensor 5 and non-contact infrared temperature sensor 6, one side is equipped with the material plate 4, and the bed tail is equipped with buzzer 15;The material plate 4 is equipped with display screen 8, kettle 7, timing button 9, call button 10, voice module 11, fan 12 and humidifier 13;The bed board 3 includes movable plate and fixed plate, and the movable plate is controlled and connected on bed frame 2 by rudder machine 14, and the fixed plate is fixed on bed frame 2.

[0024] According to another embodiment of the utility model, further include, the temperature and humidity sensor 5 selects the sensor of DHT11 type, VCC pin connects power positive, DATA pin and single-chip microcomputer bidirectional transmission, GND pin ground;The fan 12 and humidifier 13 use relay as peripheral switch, connect peripheral into relay output, relay pin connects single-chip microcomputer I / O, and the conduction of peripheral is controlled by controlling I / O level.

[0025] Specifically, the temperature and humidity sensor 5 can measure the temperature and humidity of the environment and convert the signal into digital signal output, the sensor adopts single bus data format, that is, only the data of DATA pin is read to complete the bidirectional transmission of input and output, 1 byte of data is read from the DATA pin each time, a total of 5 times, a total of 40 bits of data. The first reading is the integer part of the environment temperature;The second reading is the decimal part of the environment temperature;The third reading is the integer part of the environment humidity;The fourth reading is the decimal part of the environment humidity;The fifth reading is 1 byte of check bit, and the check bit can be used to check whether the data is correct, if the first four bytes are equal to the fifth byte, then the data is correct.

[0026] According to another embodiment of the utility model, further include, the non-contact infrared temperature sensor 6 selects MLX90614 sensor, and is connected with single-chip microcomputer I / O through SCL, SDA signal line, adopts SMBus protocol to output the data of sensor to single-chip microcomputer, and SCL, SDA signal line are connected to 3.3V through 4.7KΩ pull-up resistor simultaneously.

[0027] Specifically, after measuring and processing the body temperature of the old man by the MLX90614, the result is output through the SMBus mode. After outputting a low level on the SCL clock line for 300ns, the data on the SDA data line can be changed, and then the transmitted data is captured at the rising edge of the SCL. The start and stop signals are sent by the host. The 16-bit data is transmitted in 2 bytes, and each byte is transmitted in high-to-low order.

[0028] According to another embodiment of the present application, further comprising, the liquid level sensor selects a sensor with model YW01, including a liquid level detection plate and a signal conversion module outputting a voltage analog signal to a single-chip microcomputer I / O port through a pin AO.

[0029] Specifically, the liquid level sensor module can collect the kettle water level value, and an alarm will be given when the water level is less than the set water level. The single-chip microcomputer adjusts the kettle water level threshold setting mode, for example, sets the kettle water level threshold to 60%, and when the water level is monitored to be 30%, the buzzer 15 emits a sound.

[0030] According to another embodiment of the present application, further comprising, the communication module selects a SIM900A module, connected to a GSM module, wherein the pin TXD is connected to the single-chip microcomputer serial port pin RXD, and the pin RXD is connected to the single-chip microcomputer serial port pin TXD; the buzzer 15 selects an active buzzer 15 with model SFM-27, the black wire is grounded, and the oven is connected to the I / O port of the single-chip microcomputer.

[0031] Specifically, when the customer presses the emergency call button, the buzzer 15 alarms, the communication module calls and sends a message to the caregiver's mobile phone, and the communication module is equipped with a GSM module to realize the functions of sending messages and making calls. The communication module has a total of 4 pins, which are VCC, GND, RXD, and TXD. It communicates with the single-chip microcomputer through the serial port, that is, the TXD pin of the STM32F103C8T6 single-chip microcomputer serial port is connected to the RXD pin of the SIM900A module, and the RXD pin of the STM32F103C8T6 is connected to the TXD pin of the SIM900A module. After cross-connection, the required functions can be realized through AT instructions, such as sending messages through AT+CMGS and making calls through ATD; the working voltage of the buzzer 15 is 3-24V, and it can be connected to a 3.3V voltage; after the positive and negative electrodes are electrified, a sound can be emitted, the red wire is connected to the I / O pin of the single-chip microcomputer, and the black wire is grounded. The buzzer 15 alarms by outputting high or low level through the single-chip microcomputer I / O pin.

[0032] According to another embodiment of the present application, further comprising, the voice module 11 selects a voice module 11 with model ISD1820, and the P-E pin is connected to the I / O port of the single-chip microcomputer.

[0033] Specifically, the voice module 11 is used to issue the voice that needs to be reminded, and the timing key 9 is used to set the timing time, wherein the voice module 11 comprises a REC button and a microphone, after pressing the REC, the voice that needs to be reminded is recorded by aiming at the microphone, and the recorded voice can be played by pressing the PLAYE button, the voice can also be played by pressing the PLAYL button, but the PLAYL button needs to be pressed for a long time, while the voice can be played by pressing the PLAYE button only once, the voice module 11 can also directly drive a small loudspeaker, the loudspeaker is welded and then directly inserted for use, the P-E pin is connected to the single-chip microcomputer, the level of the I / O port of the single-chip microcomputer is controlled, and then the playing function of the voice module 11 is controlled.

[0034] According to another embodiment of the utility model, further include, the bluetooth communication module chooses JDY-31 bluetooth module to realize, pin RXD is connected with the TXD of single-chip microcomputer serial port, pin TXD is connected with the RXD of single-chip microcomputer serial port.

[0035] Specifically, the function of the bluetooth communication module includes bidirectional data transmission, the single-chip microcomputer can transmit sensor data information to the host computer APP, the host computer APP can send instructions to the single-chip microcomputer to control the operation of the single-chip microcomputer, open the nursing bed APP, after connecting the bluetooth device, the detected data can be observed from the APP.

[0036] The above description is only illustrative but not restrictive for the utility model, and the person skilled in the art understands that many modifications, changes or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all will fall within the protection scope of the utility model.

Claims

1. A wireless Bluetooth power nursing bed control system, characterized in that, The nursing bed (1) comprises a single-chip microcomputer arranged on the nursing bed (1), an environment temperature and humidity module, a body temperature monitoring module, a water level monitoring module, an emergency call module, a timing reminding module, a Bluetooth communication module and a display screen (8); the single-chip microcomputer is electrically connected with the environment temperature and humidity module, the body temperature monitoring module, the water level monitoring module, the emergency call module, the timing reminding module, the Bluetooth communication module and the display screen (8) and is selected from an STM32F103C8T6; the environment temperature and humidity module comprises a temperature and humidity sensor (5), a fan (12) and a humidifier (13); the body temperature monitoring module is a non-contact infrared temperature measurement sensor (6); the water level monitoring module is a liquid level sensor arranged in a kettle (7); the emergency call module comprises a call button, a communication module and a buzzer (15); the timing reminding module comprises a voice module (11), a timing button (9) and a rudder (14); and the Bluetooth communication module is in bidirectional communication with a mobile phone APP.

2. The wireless Bluetooth power adjustable nursing bed control system according to claim 1, wherein, The nursing bed (1) comprises a bed frame (2) and a bed plate (3), the bed head of the bed frame (2) is provided with the temperature and humidity sensor (5) and the non-contact infrared temperature measurement sensor (6), one side is provided with a storage plate (4), and the tail of the bed is provided with the buzzer (15); the storage plate (4) is provided with the display screen (8), the kettle (7), the timing button (9), the call button (10), the voice module (11), the fan (12) and the humidifier (13); and the bed plate (3) comprises a movable plate and a fixed plate, the movable plate is connected to the bed frame (2) through the rudder (14), and the fixed plate is fixed to the bed frame (2).

3. The wireless Bluetooth power adjustable nursing bed control system according to claim 1, wherein, The temperature and humidity sensor (5) is selected from a sensor with a model number of DHT11, the VCC pin is connected to the positive pole of a power supply, the DATA pin is in bidirectional transmission with the single-chip microcomputer, and the GND pin is grounded; the fan (12) and the humidifier (13) use a relay as an external switch, the external device is connected to the output port of the relay, the relay pin is connected to the I / O port of the single-chip microcomputer, and the conduction of the external device is controlled by controlling the I / O port level.

4. The wireless Bluetooth power adjustable nursing bed control system according to claim 1, wherein, The non-contact infrared temperature measurement sensor (6) is selected from an MLX90614 sensor, is connected to the I / O port of the single-chip microcomputer through SCL and SDA signal lines, adopts an SMBus protocol to output the data of the sensor to the single-chip microcomputer, and the SCL and SDA signal lines are connected to 3.3V through 4.7KΩ pull-up resistors.

5. The wireless Bluetooth power adjustable nursing bed control system according to claim 1, wherein, The liquid level sensor is selected from a sensor with a model number of YW01, comprises a liquid level detection plate and a signal conversion module, and outputs a voltage analog signal to the I / O port of the single-chip microcomputer through the pin AO.

6. The wireless Bluetooth power adjustable nursing bed control system according to claim 1, wherein, The communication module is selected from a SIM900A module and is connected with a GSM module, wherein the TXD pin is connected with the RXD pin of the serial port of the single-chip microcomputer, and the RXD pin is connected with the TXD pin of the serial port of the single-chip microcomputer; the buzzer (15) is selected from an active buzzer with a model number of SFM-27, the black wire is grounded, and the red wire is connected to the I / O port of the single-chip microcomputer.

7. The wireless Bluetooth power adjustable bed control system of claim 1, wherein, The voice module (11) is selected from a voice module (11) with a model number of ISD1820, and the P-E pin is connected to the I / O port of the single-chip microcomputer.

8. The wireless Bluetooth power adjustable bed control system of claim 1, wherein, The Bluetooth communication module is realized by using a JDY-31 Bluetooth module, a pin RXD is connected with a TXD of a single-chip microcomputer serial port, and a pin TXD is connected with an RXD of the single-chip microcomputer serial port.

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