阅读说明：本技术 理疗床控制系统及其设备 (Physiotherapy couch control system and equipment thereof ) 是由 许云初 王少锋 张龙平 于 2020-05-21 设计创作，主要内容包括：本发明涉及一种理疗床控制系统,包括主控芯片、用于采集、处理和分析人体在静卧状态下呼吸时胸部运动产生振动信号的呼吸采集模块、通过对人体打鼾声进行采集、处理和分析的声音采集模块、将呼吸采集模块和声音采集模块数据通过蓝牙上传的信息传输模块和控制床状态的智能床控制模块；包括多个区域的模块化的床身,PVDF传感器带铺设在床身上；用于对床身进行长度调节的第一推杆电机；用于对人体头部进行角度调节的第二推杆电机；与多个区域的模块化床身连接,用于对床身多个区域进行高低调节的多个第三推杆电机。本发明有利于治疗睡眠呼吸暂停综合症,同时能够提前防范许多并发症产生。(The invention relates to a physiotherapy bed control system, which comprises a main control chip, a respiration acquisition module, a sound acquisition module, an information transmission module and an intelligent bed control module, wherein the respiration acquisition module is used for acquiring, processing and analyzing a vibration signal generated by chest movement when a human body breathes in a lying state; a modular bed comprising a plurality of zones, the PVDF sensor strip being laid on the bed; the first push rod motor is used for adjusting the length of the bed body; the second push rod motor is used for adjusting the angle of the head of the human body; and the third push rod motors are connected with the modularized lathe bed in multiple areas and used for adjusting the heights of the multiple areas of the lathe bed. The invention is beneficial to treating sleep apnea syndrome and can prevent a plurality of complications in advance.)

1. A physiotherapy couch control system which characterized in that: the intelligent bed comprises a main control chip (5), a breath acquisition module (2) for acquiring, processing and analyzing a vibration signal generated by chest movement when a human body breathes in a lying state, a sound acquisition module (3) for acquiring, processing and analyzing snore of the human body, an information transmission module (4) for uploading data of the breath acquisition module (2) and the sound acquisition module (3) through Bluetooth and an intelligent bed control module (6) for controlling the bed state;

the respiration acquisition module (2) comprises a respiration signal processing module (21), a respiration signal amplification filtering module (22) and a PVDF sensing belt (1), the respiration signal processing module (21) is electrically connected with the main control chip (5), the respiration signal amplification filtering module (22) is electrically connected with the respiration signal processing module (21), and the PVDF sensing belt (1) is electrically connected with the respiration signal amplification filtering module (22);

the sound collection module (3) comprises a pickup module (33), a sound signal amplification and filtering module (32) and a sound processing module (31); the sound processing module (31) is electrically connected with the main control chip (5), the sound signal amplifying and filtering module (32) is electrically connected with the sound processing module (31), the pickup module (33) is electrically connected with the sound signal amplifying and filtering module (32),

the information transmission module (4) comprises a wireless Bluetooth (41) and a mobile phone APP (42), and the wireless Bluetooth (41) is electrically connected with the main control chip (5);

the intelligent bed control module (6) is electrically connected with the main control chip (5).

2. The physiotherapy couch control system and apparatus thereof according to claim 1, wherein: the weak respiration signals collected by the PVDF sensor belt (1) are amplified and filtered through a respiration signal amplification and filtering module (22), the band-pass filtering is between 0.1Hz and 10Hz, the signal amplification is between-5V and +5V, the signals after filtering and amplification are compressed to unipolar signals within 0-3V, the unipolar signals are converted into digital signals through an ADC (analog to digital converter) of the respiration signal processing module (21), and the respiration frequency is analyzed through a main control chip (5).

3. The physiotherapy couch control system and apparatus thereof according to claim 1, wherein: the sound pickup module (33) collects sound signals, the collected weak signals are converted into unipolar signals within 0-3V after being processed by the sound signal amplification and filtering module (32), the unipolar signals are converted into digital signals through the ADC of the sound processing module (31), and the intensity of the snore is analyzed by the main control chip (5).

4. A physiotherapy couch control apparatus, comprising: a modular bed (7) comprising a plurality of zones, the PVDF sensor strip (1) being laid on the bed (7);

a first push rod motor (8) for adjusting the length of the bed body (7);

a second push rod motor (9) for adjusting the angle of the head of the human body;

and the third push rod motors (10) are connected with the modularized bed bodies (7) in multiple areas and are used for adjusting the heights of the multiple areas of the bed bodies (7).

5. The physiotherapy couch control apparatus of claim 4, wherein: the head of the bed body (7) is provided with a hinged head plate (71), and a second push rod motor (9) is connected with the head plate (71).

6. The physiotherapy couch control apparatus of claim 4, wherein: and the first push rod motor (8), the second push rod motor (9) and the third push rod motor (10) are all provided with pressure sensors (11).

Technical Field

The invention relates to a physiotherapy couch and a control system thereof.

Background

Sleep apnea syndrome, which induces myocardial infarction, cerebral vessels and other diseases; even if the person sleeps, the person can be threatened, and the tongue root and the soft crocodile move backwards or fall backwards due to the gravity factor when the person sleeps in a supine position, so that the space of the respiratory tract is reduced or closed to cause apnea; the treatment methods for the symptoms comprise Continuous Positive Airway Pressure (CPAP), mouth shape corrector, operation and the like, and the methods have certain limitations, so that the treatment effect is unsatisfactory.

The intelligent household physiotherapy bed control system and method are based on modern fashion furniture, and the combined intelligence, electronic intelligence, mechanical intelligence and Internet of things intelligence are ingeniously integrated into household products, so that the products can prevent tongue root falling for the treatment method (generally called 'side sleeping') of comprehensively calling for the lateral position of sleep apnea, relieve the danger of upper airway closure, enable the sleep respiration of patients to be smooth, reduce the occurrence of cardiovascular and cerebrovascular symptoms, and are a more affordable, convenient and effective mode. However, many adults are used to the sleeping posture of sleeping on their backs, and cannot change the sleeping posture autonomously when sleeping soundly.

Disclosure of Invention

The invention relates to an intelligent household physiotherapy bed control system based on a PVDF piezoelectric film sensor and snoring sound detection, which can monitor the real-time state of sleep and respiration of a sleeper, record the duration and frequency of sleep apnea syndrome, adjust the inclination of a bed through an intelligent push rod control device arranged under the bed to force the sleeper sleeping in a supine position to be changed into a sleeping in a side lying position, is beneficial to treating the sleep apnea syndrome, and can prevent a plurality of complications in advance.

In order to achieve the purpose, the technical scheme of the invention is as follows: a physiotherapy bed control system comprises a main control chip, a breath acquisition module, a sound acquisition module, an information transmission module and an intelligent bed control module, wherein the breath acquisition module is used for acquiring, processing and analyzing a vibration signal generated by chest movement when a human body breathes in a lying state, the sound acquisition module is used for acquiring, processing and analyzing snore of the human body, the information transmission module uploads data of the breath acquisition module and the sound acquisition module through Bluetooth, and the intelligent bed control module is used for controlling the bed state;

the respiration acquisition module comprises a respiration signal processing module, a respiration signal amplification and filtering module and a PVDF sensing belt, the respiration signal processing module is electrically connected with the main control chip, the respiration signal amplification and filtering module is electrically connected with the respiration signal processing module, and the PVDF sensing belt is electrically connected with the respiration signal amplification and filtering module;

the sound acquisition module comprises a pickup module, a sound signal amplification and filtering module and a sound processing module; the sound processing module is electrically connected with the main control chip, the sound signal amplifying and filtering module is electrically connected with the sound processing module, the pickup module is electrically connected with the sound signal amplifying and filtering module,

the information transmission module comprises a wireless Bluetooth and a mobile phone APP, and the wireless Bluetooth is electrically connected with the main control chip;

the intelligent bed control module is electrically connected with the main control chip.

The PVDF sensor amplifies and filters weak respiratory signals acquired by a respiratory signal amplification and filtering module, the band-pass filtering is between 0.1Hz and 10Hz, the signal amplification is between-5V and +5V, the signals after filtering and amplification are compressed to unipolar signals within 0-3V, the unipolar signals are converted into digital signals through an ADC (analog to digital converter) of the respiratory signal processing module, and the respiratory frequency is analyzed by a main control chip.

The sound pickup module collects sound signals, the collected weak signals are converted into unipolar signals within 0-3V after being processed by the sound signal amplification and filtering module, the unipolar signals are converted into digital signals through the ADC of the sound processing module, and the intensity of the snore is analyzed by the main control chip.

The PVDF piezoelectric film is made into a sensing belt, and the PVDF sensor is used for detecting a vibration signal generated by chest movement when a person breathes in a lying state so as to judge the breathing frequency of the sleeper; the sound collection module is used for detecting the intensity of the snore and controlling the state of the intelligent bed when the snore exceeds a certain threshold value. The information transmission module is connected to the mobile phone through the Bluetooth, and the breathing frequency of a sleeper, the intensity of snore and the interval time can be displayed through the mobile phone APP. Intelligent bed control module: the state of the bed is adjusted, the data transmission among all units is used for instructing the execution unit to control the bed to extend or shorten according to the height and the weight of an individual, and the automatic control is realized according to the breathing frequency and the interval times of the snores so as to self-adjust the sleeping posture.

The physiotherapy couch control equipment adopting the control system comprises a modularized couch body with a plurality of areas, wherein a PVDF sensor belt is laid on the couch body; the first push rod motor is used for adjusting the length of the bed body; the second push rod motor is used for adjusting the angle of the head of the human body; and the third push rod motors are connected with the modularized lathe bed in multiple areas and used for adjusting the heights of the multiple areas of the lathe bed.

Preferably, the head of the lathe bed is provided with a hinged head plate, and the second push rod motor is connected with the head plate.

Preferably, the first push rod motor, the second push rod motor and the third push rod motor are all provided with a pressure sensor.

After the structure is adopted, the lathe bed is in a modular design, each module can be lifted and adjusted through the third push rod motor, and the length of the lathe bed is adjusted through the first push rod motor, so that the requirements of different heights are met. And the second push rod motor is used for adjusting the angle of the head of the human body. According to the data collected by the control system, the inclination of the bed is adjusted to change the sleeping posture of a snore sleeper lying on the back into the sleeping posture of lying on the side through the intelligent push rod control equipment arranged under the bed, so that the sleep apnea syndrome can be treated, and a plurality of complications can be prevented in advance.

Drawings

Figure 1 is a schematic diagram of a control system for a physiotherapy couch of the present invention;

figure 2 is a schematic view of the structure of the physiotherapy couch control apparatus of the present invention;

fig. 3 is a schematic view of a third ram arrangement.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are given in conjunction with the accompanying drawings.

Referring to fig. 1, a physiotherapy couch control system, a breath collection module 2 includes a PVDF sensor strip 1 for detecting human thoracic vibration; the PVDF sensor belt 1 is made of a PVDF piezoelectric film, the PVDF sensor belt 1 can collect weak signals generated by chest movement of a person during sleep and breathing, the weak signals are amplified through the breathing signal amplification and filtering module 22, unnecessary high-frequency, low-frequency and power-frequency signals are filtered, and then the breathing frequency is analyzed through the breathing signal processing module 21.

The sound collection module 3 collects sound signals through the pickup module 33, filters unnecessary high-frequency, low-frequency and power-frequency signals through the signal amplification and filtering module 32, and then judges the intensity of the snore through the snore sound processing module 31.

The information transmission module 4 is connected to the mobile phone through the wireless Bluetooth 41, and the breathing frequency and the intensity of the snore can be displayed through the mobile phone APP software 42.

Intelligent bed control module 6: the state of the bed is adjusted, and an electric control push rod telescopic device is designed for the instruction execution unit through data transmission among all units, so that the bed is controlled to move in an extending or shortening manner according to the height and the weight of an individual, automatic control is realized according to the breathing frequency and the number of snore intervals, and the human body is forced to adjust the sleeping posture by self.

The PVDF sensing belt 1 is used for collecting weak charge signals when a sleeper breathes; the respiratory signal amplifying and filtering module 21: the charge amplifier comprises a charge amplifying circuit and a band-pass filter circuit; the charge amplifying circuit can change high-impedance input into low-impedance output, and change weak charge signals into voltage signals with higher signal-to-noise ratio and certain anti-interference. The band-pass filter circuit can limit the band-pass between 0.1Hz and 10Hz, ensures the extraction of physical sign signals and also filters the influence of 50Hz power frequency interference; the respiratory signal processing module 21: the device comprises a signal boosting circuit and an AD conversion circuit; the signal lifting circuit amplifies a vibration signal acquired by PVDF by adopting a dual-power operational amplifier, and the signal swings between-5V and +5V after being amplified; the ADC conversion circuit can compress the amplified signal to a unipolar signal within 0-3V, ADC converts the signal into a digital signal, and the digital signal is analyzed and processed by the main control chip 5 to calculate the respiratory frequency;

the sound pickup module 33: collecting sound through a miniature sound pick-up, and outputting a weak voltage signal by the sound pick-up; the sound signal amplifying and filtering module 32: the device comprises an amplifying circuit and a band-pass filtering circuit; the amplifying circuit can amplify weak sound signals collected by the sound pick-up; the filter circuit can filter out high-frequency signals, low-frequency signals and 50hz power frequency interference on the amplified signals. The sound processing module 31: the sound signal is processed by the main control chip 5 after being AD converted; the main control chip 5 judges the sound threshold value and determines the intensity of the user to snore according to a certain threshold value;

the main control chip 5 transmits signals to the mobile phone APP42 through the wireless Bluetooth 41, and the acquired respiratory frequency and the snoring sound intensity are displayed on the mobile phone APP 42;

referring to fig. 2 and 3, a physiotherapy couch control apparatus comprises a modular bed 7 of a plurality of zones, PVDF sensor strips 1 being laid on the bed 7; preferably, the bed body 7 is placed between a mattress and a bed sheet of the bed body 7, the distance between the mattress and the bed sheet is about 50cm, a person lies down and just lies under the chest, and the chest vibrates during breathing, the bed body 7 adopts a modular design, for example, the head is provided with a hinged head plate 71, the angle is adjusted through a second push rod motor 9, and modules at other parts are provided with a third push rod motor 10 for adjusting the height of each module. The lathe bed 7 is used for length adjustment and adopts two first push rod motors 8 which are transversely arranged. According to the height and the weight of an individual, the bed is controlled to move in a lengthening or shortening way, and automatic control is realized according to the breathing frequency and the snore interval times, so that the human body is forced to adjust the sleeping posture; each push rod motor 10 is detected by a pressure sensor 11, and data are fed back to the main control chip 5, so that the method has the advantages of high efficiency and high precision, and the implementation stability of the whole design method is ensured.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.