阅读说明：本技术 一种多功能智能护理床控制器及控制系统 (Multifunctional intelligent nursing bed controller and control system ) 是由 朱海洋 张顺香 朱广丽 许汗清 张梦瑶 于 2020-06-17 设计创作，主要内容包括：本发明公开了一种多功能智能护理床控制器及控制系统。所述控制器主要由主控芯片、传感器模块、电机控制模块、人机交互模块、无线通信模块、水温风温控制模块、污物冲洗与臀部清洗模块、电源电路、时钟电路、复位电路等部分组成。所述多功能智能护理床控制器控制系统,使用者通过按键可选择不同的人机交互模式,如按键操控、触摸屏操控和手机操控；通过传感器模块来检测温度信息、大小便信息、桶位置信息、障碍物位置信息；通过电机控制模块对电机推杆进行控制以实现床体的形态变换；系统通过水温、风温控制模块完成水温、风温的控制,用来实现坐便器的污物的冲洗、温水洗臀和暖风烘干功能。具有功耗低、可靠性强、功能多等优点。(The invention discloses a multifunctional intelligent nursing bed controller and a control system. The controller mainly comprises a main control chip, a sensor module, a motor control module, a man-machine interaction module, a wireless communication module, a water temperature and wind temperature control module, a sewage washing and buttock cleaning module, a power circuit, a clock circuit, a reset circuit and the like. According to the multifunctional intelligent nursing bed controller control system, a user can select different human-computer interaction modes such as key control, touch screen control and mobile phone control through keys; detecting temperature information, excrement and urine information, barrel position information and obstacle position information through a sensor module; the motor push rod is controlled by the motor control module to realize the form transformation of the bed body; the system finishes the control of water temperature and wind temperature through a water temperature and wind temperature control module and is used for realizing the functions of flushing sewage, washing buttocks with warm water and drying by warm air of the toilet. The method has the advantages of low power consumption, strong reliability, multiple functions and the like.)

1. The utility model provides a multi-functional intelligent nursing bed controller which characterized in that: the multifunctional bed mainly comprises a main control chip (1), a sensor module (2), a motor control module (3), a human-computer interaction module (4), a wireless communication module (5), a water temperature and wind temperature control module (6), a sewage flushing and hip cleaning module (7), a power circuit (8), a clock circuit (9), a reset circuit (10) and the like, and can realize functions of bed body form transformation, real-time monitoring of body states, automatic treatment of excrement and urine, water temperature and wind temperature adjustment and the like.

2. The multifunctional intelligent nursing bed controller of claim 1, wherein: the main control chip (1) is STM32F103ZET6, has higher real-time, lower power consumption, abundant off-chip expansion ability, powerful data processing ability, and carries out high-efficient reliable work between each peripheral circuit.

3. The multifunctional intelligent nursing bed controller of claim 1, wherein: the sensor module (2) mainly comprises a temperature sensor, an infrared correlation sensor, a barrel position sensor, an ultrasonic sensor and the like, and is used for detecting temperature information, excrement and urine information, barrel position information and obstacle position information.

4. The multifunctional intelligent nursing bed controller of claim 1, wherein: the motor control module (3) is a motor push rod driving circuit, and a high-power P-NMOS tube H bridge circuit is adopted to control the forward rotation, the reverse rotation and the braking of the motor push rod, so that the functions of lifting/lowering the back, stretching/bending the legs and the like of the bed body part are realized.

5. The multifunctional intelligent nursing bed controller of claim 1, wherein: the man-machine interaction module (4) consists of three parts, namely a key, a touch screen and a mobile phone end, and different control modes can be selected according to requirements.

6. The multifunctional intelligent nursing bed controller of claim 1, wherein: the wireless communication module (5) is composed of a Bluetooth communication module and is used for realizing short-distance wireless communication between the nursing bed and a user.

7. The multifunctional intelligent nursing bed controller of claim 1, wherein: the water temperature and wind temperature control module (6) adopts an optical coupler and a field effect tube to control the on-off of switch signals of the air blower and the PTC wind heating sheet, and is used for heating and controlling the water temperature and the wind temperature.

8. The multifunctional intelligent nursing bed controller of claim 1, wherein: the sewage washing and buttock cleaning module (7) controls the on-off of the water pump and the electromagnetic valve by adopting a circuit combining a triode and a field effect tube to wash sewage and clean the buttock.

9. The multifunctional intelligent nursing bed controller of claim 1, wherein: the power supply circuit (8), the clock circuit (9) and the reset circuit (10) are the minimum system of a main control chip STM32F103ZET6, and the main control chip STM32F103ZET6 can work normally.

Technical Field

The invention relates to the field of intelligent nursing beds, in particular to a multifunctional intelligent nursing bed controller and a control system.

Background

With the accelerating aging process of population, the number of the aged population in China is increasing. The activity of the body of the old is low, and a plurality of obstacles and pathological changes are easy to appear on the body, so that a plurality of old people need to lie in bed for a long time, cannot take care of themselves in life and must depend on the nursing and care of other people. At present, various problems caused by aging aggravation cannot be solved by the traditional medical care mode, and the intelligent development of the nursing bed can greatly relieve the huge pressure on the society caused by aging, so researchers in various countries around the world continuously research the intelligent nursing bed, and the intelligent nursing bed is more humanized, intelligent and networked.

Unlike conventional beds, smart care beds are a combination of mechanical and electrical products. It can be placed in home, nursing home, and hospital to help the elderly and semi-disabled patients to lift/lower their back, stretch/bend their legs, turn over left/right, and go to toilet conveniently. The main functions of the device are to help the old and the semi-disabled patients to better take care of themselves, enhance the self-esteem of the patients and also reduce the burden of families.

At present, a large number of automatic technologies are fused in intelligent nursing beds at home and abroad, and corresponding control instructions are sent out by identifying and processing control instructions and external environment information so as to realize the functions of bed body form transformation, real-time monitoring of body states, automatic treatment of excrement and urine, voice prompt, wind temperature regulation, water temperature regulation and the like. The control system has to have not only a sufficiently fast processing speed but also a sufficiently high accuracy.

The intelligent nursing bed aims to help a user to change lying posture, go to the toilet by himself and monitor, transmit and display physiological parameters of the user. The sensors are required to detect physiological information of a user and information of a bed body, a wheelchair part and a toilet bowl, the sensors are required to acquire and transmit surrounding environment information in real time, and the information is required to be comprehensively processed and fused in order to efficiently utilize the information.

The basic functions of the intelligent nursing bed include lifting/lowering back, stretching/bending legs, facilitating toileting and the like. The mechanical system and the electrical system of the nursing bed are combined, the mechanical part of the bed body is pushed by the motor push rod to realize the posture conversion of a user, and the intelligent closestool is controlled to realize the free defecation of the user.

The man-machine interaction interface is a direct dialogue between the user and the intelligent nursing bed. As the main using object of the intelligent nursing bed is the old or the patient lying in bed for a long time, the special condition of the user needs to be considered when designing the man-machine interaction interface, so that the intelligent nursing bed has the characteristics of flexible operation, simplicity, convenience, easy use and the like. At present, intelligent nursing beds have various human-computer interaction modes, such as: each control mode has own unique advantages, so that multiple control modes are adopted in one control system to adapt to different users.

Disclosure of Invention

The invention aims to provide a multifunctional intelligent nursing bed controller and a control system based on the multifunctional intelligent nursing bed controller. The intelligent nursing bed has the functions of realizing the bed body form transformation, real-time monitoring of the body state, automatic treatment of excrement and urine, wind temperature regulation, water temperature regulation and the like of the intelligent nursing bed by utilizing an advanced low-power consumption control chip, a high-precision sensor, a control module and a wireless communication module.

The purpose of the invention is realized by the following technical scheme:

a multifunctional intelligent nursing bed controller and control system mainly comprises a main control chip, a sensor module, a motor control module, a man-machine interaction module, a wireless communication module, a water temperature and wind temperature control module, a sewage flushing and hip cleaning module, a power supply circuit, a clock circuit, a reset circuit and the like.

The main control chip selects STM32F103ZET6 of Italian semiconductor corporation (ST corporation), and has the advantages of high real-time performance, low power consumption, rich off-chip expansion capability, strong data processing capability and the like.

The sensor module mainly comprises a temperature sensor, an infrared correlation sensor, a barrel position sensor, an ultrasonic sensor and the like, and is used for detecting temperature information, excrement and urine information, barrel position information and obstacle position information;

furthermore, the temperature sensor adopts a DS18B20 chip and is used for measuring the inlet air temperature, the outlet air temperature, the water inlet temperature and the water outlet temperature of the air pipeline; the infrared correlation sensor adopts an HS0038 integrated infrared receiving head to design an infrared receiving and transmitting circuit so as to detect the excrement/urine information; the barrel position sensor uses an LE10SF05DNO chip to detect whether the clean water barrel or the filth barrel is in the correct position.

Furthermore, the motor control module is a motor push rod driving circuit, a high-power P-NMOS tube H bridge circuit is adopted to control the forward rotation, the reverse rotation and the braking of the motor push rod, a current-filling driving mode is used, a single chip microcomputer is supported for direct driving, and the rotating speeds of the two direct current motor push rods can be adjusted through PWM (pulse width modulation), so that the functions of lifting/lowering the back, stretching/bending the legs and the like of the bed body part are realized.

Further, the man-machine interaction module is composed of three parts of a key, a touch screen and a mobile phone end: the key circuit is provided with six keys which are connected with the main control chip and used for controlling the posture change of the bed body so as to realize six functions of lifting the back, lowering the back, stretching the legs, bending the legs, sitting and lying; the touch screen adopts a capacitive screen and is used for setting parameters such as waiting time, washing time, cleaning time, warm air drying time, air temperature, water temperature and the like, and simultaneously displaying relevant information such as the air temperature, the water temperature, physiological signals of patients and the like in real time; the mobile phone end is connected with the main control chip through the wireless communication module to perform corresponding control.

Further, the wireless communication module is composed of a bluetooth communication module: the Bluetooth communication module adopts an HC-05 Bluetooth chip, and can connect the mobile phone with the nursing bed through Bluetooth signals to set related parameters and check related information.

Furthermore, the water temperature and air temperature control module adopts an optical coupler and an N-channel field effect transistor to control the on-off of switch signals of the blower and the PTC air heating sheet so as to control the water temperature and the air temperature.

Furthermore, the sewage washing and buttock washing module pumps clear water to wash sewage and wash buttock by adopting a gear self-priming pump with the model of ZC-A260, and a water pump and solenoid valve control circuit controls the on-off of the water pump and the solenoid valve to wash by adopting NPN type triodes and P channel field effect tubes.

Furthermore, the power module, the clock circuit and the reset circuit provide the most basic working circuit for the main control chip.

A control system of a multifunctional intelligent nursing bed controller comprises the following processes: the method comprises the following steps: the device comprises a man-machine interaction module, a wireless communication module, a motor control module, a sensor module, a water temperature and wind temperature controller and a sewage washing and hip cleaning device. The user can select different man-machine interaction modes such as key operation, touch screen operation and mobile phone operation through keys; detecting temperature information, excrement and urine information, barrel position information and obstacle position information through a sensor module; the motor push rod is controlled by the motor control module to realize the form transformation of the bed body; the system finishes the control of water temperature and wind temperature through a water temperature and wind temperature control module and is used for realizing the functions of flushing sewage, washing buttocks with warm water and drying by warm air of the toilet.

Compared with the prior art, the invention has the following beneficial effects: the data is processed safely and reliably through a low-power-consumption microprocessor STM32F103ZET6 with strong anti-interference performance; the intelligent nursing bed is divided into a bed body part and a toilet bowl part, and the toilet bowl is arranged in the middle of the bed body, so that the intelligent nursing bed is convenient to use; besides the bed body form changing function, the bed can also automatically treat the excrement and urine.

Drawings

FIG. 1 is a diagram: a general structure diagram of a multifunctional intelligent nursing bed controller.

FIG. 2 is a diagram of: a circuit diagram of a main control chip of a multifunctional intelligent nursing bed controller.

FIG. 3 is a diagram of: a control system diagram of a controller of a multifunctional intelligent nursing bed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the present invention is mainly composed of ten parts: the intelligent washing machine comprises a main control chip 1, a sensor module 2, a motor control module 3, a man-machine interaction module 4, a wireless communication module 5, a water temperature and wind temperature control module 6, a sewage washing and buttock cleaning module 7, a power circuit 8, a clock circuit 9 and a reset circuit 10. In the working process, the power circuit 8, the clock circuit 9 and the reset circuit 10 provide the most basic working circuit for the main control chip 1, so that the main control chip can work normally. The user can select different human-computer interaction modes through human-computer interaction module 4 to control, the information of nursing bed self and external environment is gathered to sensor module 2, in addition, the information of human-computer interaction input, behind main control chip 1 analysis processes, control motor control module 3, temperature wind temperature control module 6 washes and carries out the bed body transform with buttock cleaning module 7 with the filth, the heating of temperature wind temperature, the filth washes and washs relevant operation such as buttock, its wireless communication module 5 is used for connecting cell-phone and controller, carry out the cell-phone end and control.

As shown in FIG. 2, the main control chip STM32F103ZET6 in the figure is based on an ARM Cortex-M3 kernel, the highest working frequency can be 72MHZ, the microprocessor is a novel 32-bit embedded microprocessor, and the microprocessor has the advantages of high performance, low power consumption, extremely low cost, strong computing capability and the like. The power supply circuit adopts 3.3V direct current voltage for power supply. The power indicator is used for detecting whether the main controller circuit supplies power normally. The reset circuit comprises a power-on reset circuit and a key reset circuit, and can perform power-on reset and key reset. The clock circuit is provided with two crystal oscillators, one is 8MHz, and external high frequency is commonly used; the other is 32.768KHz, which is used during system standby or low power consumption. The JTAG downloading circuit is used for downloading programs to test the inside of the microprocessor and simulate and debug the intelligent nursing bed control system.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.