CN113662834A - Intelligent terminal-controlled varicosity preventing instrument and method - Google Patents

Abstract

The invention discloses a terminal-controlled intelligent varicosity preventing instrument and a method, wherein the varicosity preventing instrument comprises a host module, a slave module and a wireless transceiver module, wherein the host module and the slave module are mutually connected through the wireless transceiver module; when the standing time reaches a certain set time, the host machine sends an instruction to the slave machine by using the wireless transceiving module; the slave computer receives the instruction and sends out an instruction to start the vibration motor to start massage; when the preset massage time is reached, the motor stops vibrating. Set up standing time and massage time through cell-phone bluetooth serial ports APP and regulate and control, experience better for the user. The system has simple structure, small volume, light weight and convenient use.

Description

Intelligent terminal-controlled varicosity preventing instrument and method

Technical Field

The invention belongs to the field of medical equipment and intelligent control, and provides a terminal-controlled intelligent varicosity preventing instrument and a terminal-controlled intelligent varicosity preventing method.

Background

Varicose veins of the lower limbs are a surgical disease, and the disease is caused by long-time standing and movement, which can bring serious influence to the normal life of patients. At present, about one hundred million people in China suffer from varicose veins with different degrees. The clinical manifestations are that superficial blood vessels are varicose like earthworms, obviously protrude out of the skin, the varicose is in a ball shape or a knot shape, the lower limbs can have pain and local red and swollen, and the walking is difficult. In recent years, patients with varicose veins have been on the rise, and therefore, there is a need for a varicose vein prevention apparatus, and it is desired to effectively alleviate the trend.

Disclosure of Invention

The invention aims to overcome the defects of the existing medical appliance for preventing varicosity. The varicosity preventing instrument realizes the function that a user can automatically massage during work by using advanced technologies such as a thin film pressure sensor, an MSP430 single chip microcomputer, an NRF24L01 single chip radio frequency transceiver, Bluetooth and the like.

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

a terminal-controlled intelligent varicosity preventing instrument comprises a host module, a slave module and a wireless transceiver module, wherein the host module and the slave module are connected with each other through the wireless transceiver module; when the standing time reaches the set time, the host module sends an instruction to the slave module by using the wireless transceiver module; receiving an instruction from the slave module, and sending the instruction to start the vibration motor to start massage; when the preset massage time is reached, the vibration motor stops vibrating; the standing time and the massage time are regulated and controlled through the mobile phone terminal.

Furthermore, the wireless transceiver module adopts an NRF24L01 monolithic radio frequency transceiver device and works in an ISM frequency band of 2.4-2.5 GHz, and a frequency synthesizer, a power amplifier, a crystal oscillator and a modulator module are arranged in the wireless transceiver module.

Furthermore, the master singlechip and the slave singlechip both adopt MSP 430.

Furthermore, the host module and the slave module are both connected with a power supply module, and the power supply module provides 3.3V working voltage for the host singlechip and the slave singlechip by utilizing the ams1117-3.3 forward low-voltage-drop voltage-stabilizing chip.

The invention also provides a terminal-controlled intelligent varicose vein prevention control method, which comprises the following steps:

the wireless transceiver module is connected to realize serial port communication between the host singlechip and the slave singlechip IN a common I/O analog SPI communication mode, the host module divides corresponding voltage and inputs the voltage into an IN1 port of a comparator LM393 by utilizing the characteristic that the resistance value is increased due to large pressure of a pressure sensor, and compares the voltage with a set threshold voltage to obtain high and low levels at an output port of the comparator and inputs the high and low levels to the host singlechip;

the host single chip microcomputer utilizes an external crystal oscillator to time high and low levels, so that the functions of increasing the number of real-time seconds when a person stands and reducing the number of real-time seconds when the person sits down for rest are realized; the real-time seconds are reduced to 0 at minimum, and the standing detection time set by a user at the mobile phone terminal is increased to the maximum;

when the real-time seconds of standing detection reaches the set time, the wireless transceiver module sends an instruction to the slave module, the slave module receives the instruction, the driving circuit sends an instruction to start the vibration motor, and the motor stops vibrating when the set time is reached;

the set time is sent to the host module by the mobile phone terminal through Bluetooth, and the host module is sent to the slave module.

Compared with the prior art, the technical scheme of the invention has the following beneficial effects:

1. the intelligent varicosity prevention instrument controlled by the terminal is powered by the dry battery, can independently operate, is convenient and small to carry, and gets rid of the dilemma that power must be supplied by a power supply.

2. The intelligent varicose vein prevention instrument controlled by the terminal adopts the wireless transmission module, so that the intelligent varicose vein prevention instrument can be wirelessly used by a user, the constraint between the two legs is released, and the activity is more convenient.

3. The invention integrates the communication function, can transmit signals to each unit for control, and has the advantages of rapid information collection, rapid response and the like.

4. The varicosity preventing instrument of the invention can realize the function that a user can automatically massage when working by utilizing the film pressure sensor. Set up standing time and massage time through cell-phone bluetooth serial ports APP and regulate and control, improve user experience, have extensive application prospect.

5. The invention is innovated in a communication system and a control system, has the control system with the functions of electric energy calculation and information storage, and can better realize the functions of information transmission and information interaction by matching with a simple UI interaction interface.

Drawings

Fig. 1 is a schematic view of the overall structure of the intelligent varicose vein prevention apparatus of the present invention.

Fig. 2 is a schematic diagram of the working principle of the intelligent varicosity preventing instrument.

Fig. 3 is a flow chart of the host program.

Fig. 4 is a slave program flow chart.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and 2, the schematic diagram of the overall structure of the intelligent varicosity prevention apparatus controlled by the terminal of the present embodiment includes a host module, a slave module and a wireless transceiver module, wherein the host module includes a pressure sensor, a comparator and a host single chip microcomputer, and the slave module includes a vibration motor, a driving circuit and a slave single chip microcomputer; the master singlechip and the slave singlechip both adopt MSP 430; the host module and the slave module are connected through an NRF24L01 wireless transceiver module, and serial port communication of the single chip microcomputer MSP430 is achieved in a common I/O analog SPI communication mode.

The host module utilizes the pressure of pressure sensor to arouse the characteristics of resistance value increase greatly, divide corresponding voltage, with the IN1 port of this voltage input comparator LM393, compare with the threshold voltage who sets up, obtain the height level at LM393OUT port, with pin2 and pin7 of its input host computer singlechip, the singlechip utilizes outside crystal oscillator to carry OUT the timing to the height level, realize the people when standing the function that the number of seconds reduces when sitting down and having a rest the time-number of seconds reduces. The real-time seconds are reduced to 0 at minimum, the standing detection time set by the user at the mobile phone terminal is increased at maximum, and when the real-time seconds of the standing detection reaches the set time, the NRF24L01 sends a command to the slave module. The slave module receives the command by using the NRF24L01, and the compound transistor ULN2003 sends a command to start the vibration motor, so that the motor stops vibrating for a set time. The set time is sent to the host single chip microcomputer MSP430 by the mobile phone terminal through Bluetooth, and the host module is sent to the slave module.

Wherein the sensor is a thin film pressure sensor; the sensor transmits the collected data to the single chip CPU through the PCB.

The hardware circuit of the host module comprises a sole pressure detection module, a singlechip reset circuit module, a singlechip crystal oscillator module, a singlechip, an indicator light, a power indicator light, an NRF24L01 wireless transceiver module, a Bluetooth module, a power circuit and other modules.

The hardware circuit of the slave module consists of 8 modules, such as a motor driving module, a singlechip reset circuit module, a singlechip crystal oscillator circuit module, a singlechip, an indicator light, a power indicator light, an NRF24L01 wireless transceiver module, a power circuit module and the like.

The MSP430 single chip microcomputer used in this embodiment. The system has the characteristics of ultra-low power consumption, strong processing capability and the like, and has gradually replaced singlechips of other models, thereby being widely applied. The MSP430 singlechip is used as a control core of the host module and the slave module, receives signals rectified and filtered by the sensor to realize counting and timing functions, is connected with the vibrating reed to control the vibration of the vibrating reed, and further realizes a massage function

In addition, the existing smart phone has the Bluetooth function, so that the smart phone can be connected with another Bluetooth device and can transmit and receive data mutually, and the design requirement is met. The Bluetooth module is used for realizing the connection between the mobile phone and the host computer and the slave computer through programming, and the standing detection time and the vibration massage time can be regulated and controlled.

The NRF24L01 wireless transceiver module used in this embodiment is a novel monolithic radio frequency transceiver device, and operates in the ISM band of 2.4 to 2.5 GHz. Functional modules such as a frequency synthesizer, a power amplifier, a crystal oscillator, a modulator and the like are built in, and enhanced burst transfer (ShockBurst) technology is fused, wherein output power and communication channels can be configured through programs. NRF24L01 has low power consumption, and when the power is transmitted at-6 dBm, the working current is only 9 mA; during receiving, the working current is only 12.3mA, the current is 160mA when the antenna works in a plurality of low-power working modes and works at 100mW, and the distance is farther than that of WiFi in the aspect of data transmission. Although bluetooth can realize many-to-many device communication, the programming process is complicated and difficult to realize, so that NRF24L01 capable of realizing the same function is used for serial communication.

The power supply of the host module and the power supply of the slave module are both realized by connecting 3 sections of 1.5V dry batteries in series, and the ams1117-3.3 forward low-voltage-drop voltage-stabilizing chip is used for providing 3.3V working voltage for the MSP430 singlechip. ams1117 is a forward LDO with a voltage drop of 1.2V at 1A. The ams1117 internally integrates over-temperature protection and current limiting circuits, which is the best choice for battery-powered and portable computers.

Specifically, the MSP430 single chip microcomputer in this embodiment adopts a modular programming design, a program flow of a host module is shown in fig. 3, and a program flow of a slave module is shown in fig. 4, including initialization of a serial port, bluetooth connection of a mobile phone, high-low level scanning of the serial port, timing, driving of a vibration motor, operation of an NRF24L01 transceiver module, and the like.

To sum up, the intelligent varicosity prevention instrument controlled by the terminal utilizes the Bluetooth to realize wireless connection, reduces the occupied space and is more convenient for the activity of a wearer. The preventive instrument has strong practicability, and the carrier can automatically massage at any time and any place, thereby freeing both hands. The invention is suitable for wide crowd, teachers, hairdressers, surgeons and other workers needing to stand for a long time. The obese people are also prone people, and although obesity is not a direct cause, the overweight force on the legs can cause unsmooth venous return of the legs, so that veins are seriously dilated, and the situation is also true for pregnant women.

At present, varicose patients are on the rising trend, harm is great, standing problems are severe, the varicose prevention instrument can effectively restrain varicose at the sprouting stage, and the market prospect is good.

The present invention is not limited to the above-described embodiments. The foregoing description of the specific embodiments is intended to describe and illustrate the technical solutions of the present invention, and the above specific embodiments are merely illustrative and not restrictive. Those skilled in the art can make many changes and modifications to the invention without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (5)

1. The intelligent terminal-controlled varicose vein preventer is characterized by comprising a host module, a slave module and a wireless transceiver module, wherein the host module and the slave module are connected with each other through the wireless transceiver module; when the standing time reaches the set time, the host module sends an instruction to the slave module by using the wireless transceiver module; receiving an instruction from the slave module, and sending the instruction to start the vibration motor to start massage; when the preset massage time is reached, the vibration motor stops vibrating; the standing time and the massage time are regulated and controlled through the mobile phone terminal.

2. The intelligent terminal-controlled varicose vein preventer according to claim 1, wherein the wireless transceiver module is an NRF24L01 monolithic radio frequency transceiver device, and operates in the ISM band of 2.4 to 2.5GHz, and a frequency synthesizer, a power amplifier, a crystal oscillator, and a modulator module are disposed in the wireless transceiver module.

3. The intelligent terminal-controlled varicose vein preventer according to claim 1, wherein the MSP430 is adopted by both the master and slave SCMs.

4. The intelligent terminal-controlled varicose vein preventer according to claim 1, wherein the master module and the slave module are both connected with a power supply module, and the power supply module provides 3.3V operating voltage for the master singlechip and the slave singlechip by utilizing an ams1117-3.3 forward low-voltage drop voltage stabilizing chip.

5. A terminal-controlled intelligent varicose vein prevention control method based on the terminal-controlled intelligent varicose vein prevention instrument of claim 1, which is characterized by comprising the following steps:

the wireless transceiver module is connected to realize serial port communication between the host singlechip and the slave singlechip IN a common I/O analog SPI communication mode, the host module divides corresponding voltage and inputs the voltage into an IN1 port of a comparator LM393 by utilizing the characteristic that the resistance value is increased due to large pressure of a pressure sensor, and compares the voltage with a set threshold voltage to obtain high and low levels at an output port of the comparator and inputs the high and low levels to the host singlechip;

the host single chip microcomputer utilizes an external crystal oscillator to time high and low levels, so that the functions of increasing the number of real-time seconds when a person stands and reducing the number of real-time seconds when the person sits down for rest are realized; the real-time seconds are reduced to 0 at minimum, and the standing detection time set by a user at the mobile phone terminal is increased to the maximum;

when the real-time seconds of standing detection reaches the set time, the wireless transceiver module sends an instruction to the slave module, the slave module receives the instruction, the driving circuit sends an instruction to start the vibration motor, and the motor stops vibrating when the set time is reached;

the set time is sent to the host module by the mobile phone terminal through Bluetooth, and the host module is sent to the slave module.

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