CN111657942A - Wireless wearable electronic equipment capable of quantitatively evaluating and recording muscle electric signals - Google Patents
Wireless wearable electronic equipment capable of quantitatively evaluating and recording muscle electric signals Download PDFInfo
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- CN111657942A CN111657942A CN202010692781.0A CN202010692781A CN111657942A CN 111657942 A CN111657942 A CN 111657942A CN 202010692781 A CN202010692781 A CN 202010692781A CN 111657942 A CN111657942 A CN 111657942A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6831—Straps, bands or harnesses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The invention discloses a wireless wearable electronic device capable of quantitatively evaluating and recording muscle electric signals, which comprises a device main body and device accessories, wherein the device main body is provided with a plurality of sensors; the device main body comprises a microprocessor, an electrophysiological sensor, a WiFi communication module, a local data recording module, an external interface, a power management module and an internal power supply; the electrophysiological sensor is connected with the input end of the microprocessor, the WiFi communication module and the local data recording module are connected with the output end of the microprocessor, the output end of the power supply management module is respectively connected with the microprocessor, the electrophysiological sensor, the WiFi communication module and the local data recording module, and the input end of the power supply management module is connected with the external interface and the internal power supply; the external interface is electrically connected with the microprocessor and the power management module. The invention can synchronously acquire the multichannel muscle electric signals and provide basic data for the motion condition evaluation of the user.
Description
Technical Field
The invention relates to the technical field of wireless and multichannel synchronous acquisition of human muscle electrical signals, in particular to wireless wearable electronic equipment capable of quantitatively evaluating and recording muscle electrical signals.
Background
With the coming of aging and the improvement of the average life of people, some senile diseases are gradually increased, which arouses attention, particularly, patients with dyskinesia such as limb disability after wind, Parkinson's disease and gradually-freezing disease are slow to recover, the treatment effect of the patients is often subjective opinion of the patients, and the treatment scheme cannot be adjusted objectively or timely according to the treatment effect, so that a technology capable of objectively and quantitatively evaluating the movement state is urgently needed at present.
Disclosure of Invention
The invention aims to provide wireless wearable electronic equipment capable of quantitatively evaluating and recording muscle electric signals, which aims to solve the technical problems in the prior art, can synchronously acquire the muscle electric signals of multiple channels and provide basic data for the evaluation of the motion condition of a user.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a wireless wearable electronic device capable of quantitatively evaluating and recording muscle electric signals, which comprises: an apparatus body and an apparatus accessory; the device main body comprises a microprocessor, an electrophysiological sensor, a WiFi communication module, a local data recording module, an external interface, a power management module and an internal power supply; the electrophysiological sensor is connected with the input end of the microprocessor, the WiFi communication module and the local data recording module are connected with the output end of the microprocessor, the output end of the power supply management module is respectively connected with the microprocessor, the electrophysiological sensor, the WiFi communication module and the local data recording module, and the input end of the power supply management module is connected with the external interface and the internal power supply; the external interface is electrically connected with the microprocessor and the power management module;
the electrophysiological sensor is used for acquiring muscle electrical signals;
the local data recording module is used for storing the processed muscle electric signals in the local machine of the equipment;
the WiFi communication module is used for sending the processed muscle electric signals to the mobile terminal;
the external interface is used for providing a synchronous signal for the microprocessor, and is also used for connecting an external power supply to charge the internal power supply;
the microprocessor is used for processing the muscle electric signals and sending the processed data to the local data recording module and the WiFi communication module; the microprocessor is also used for adjusting the internal time of the microprocessor according to the synchronous signal;
the power supply management module is used for regulating and controlling the working current and the charging current of the internal power supply;
the equipment accessory is used for fixing the equipment main body on a part to be measured of a user.
Preferably, the electrophysiological sensor is capable of acquiring a bioelectric signal of at least one channel.
Preferably, the wireless wearable electronic device that can quantitatively assess and record muscle electrical signals is capable of collecting data collection of 8 channels.
Preferably, the synchronization signal is used for providing a unified time standard for a plurality of wireless wearable electronic devices which can quantitatively evaluate and record muscle electric signals and work simultaneously; the plurality of wireless wearable electronic devices capable of quantitatively evaluating and recording the muscle electric signals can synchronously acquire and record electrophysiological signals of a plurality of parts of a human body.
Preferably, the equipment accessories include a fixing bandage, a soft glue fixer, an electrode wire and a disposable electrode paste.
Preferably, the microprocessor communicates data and/or instructions with the electrophysiological sensor, the WiFi communication module, and the local data recording module via a communication protocol/communication interface.
The invention discloses the following technical effects:
the device main body is fixed at a position to be measured of a human body through the device accessories, muscle electric signals are collected, the muscle electric signals are processed through the microprocessor and then sent to the local data recording module for local storage, or the muscle electric signals are sent to the mobile terminal through the WiFi communication module for data display and analysis, and the muscle electric signals can be quantitatively evaluated and recorded in real time;
the invention provides the synchronous signal for the microprocessor through the external interface, the microprocessor adjusts the time in the microprocessor according to the synchronous signal, realizes that a plurality of devices can simultaneously acquire data, simultaneously, a single device can realize the data acquisition of 8 channels, can simultaneously acquire electrophysiological signals of different parts and different types of human bodies, and has strong practicability;
according to the invention, the power management module regulates and controls the working current and the charging current of the internal power supply of the equipment, so that stable voltage can be effectively provided for the equipment, and the working stability of the equipment and the accuracy of data detection are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a diagram of the internal circuit structure of a wireless wearable electronic device of the present invention that can quantitatively evaluate and record electrical muscle signals;
FIG. 2 is a flow chart of the operation of the wireless wearable electronic device of the present invention that quantitatively assesses and records electrical muscle signals;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 5 is a schematic diagram of a third structure according to an embodiment of the present invention.
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.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, the present embodiment provides a wireless wearable electronic device capable of quantitatively evaluating and recording muscle electrical signals, comprising: an apparatus body and an apparatus accessory; the device main body comprises a microprocessor, an electrophysiological sensor, a WiFi communication module, a local data recording module, an external interface, a power management module and an internal power supply; the electrophysiological sensor is electrically connected with the input end of the microprocessor, the WiFi communication module and the local data recording module are electrically connected with the output end of the microprocessor, the output end of the power supply management module is respectively electrically connected with the microprocessor, the electrophysiological sensor, the WiFi communication module and the local data recording module, and the input end of the power supply management module is connected with the external interface and the internal power supply; the external interface is electrically connected with the microprocessor and the power management module.
The electrophysiological sensor is used for carrying out real-time quantitative sampling on the muscle state in a bioelectricity mode, carrying out digital processing on detected muscle state data and transmitting the data to the microprocessor through a communication protocol/communication interface; the electrophysiological sensor can acquire a bioelectric signal of at least one channel; the wireless wearable electronic device can acquire data of 8 channels.
The local data recording module acquires data and/or control instructions from the first microprocessor through a communication protocol/communication interface and is used for storing the processed muscle state data in a local machine of the equipment; the local data recording module comprises one or more of an SD card and a memory chip, but is not limited to the SD card and the memory chip; in this embodiment, the local data recording module adopts a pluggable SD card, which is convenient for storing and reading the stored data, is flexible and convenient, and can be replaced at any time as required.
The WiFi communication module acquires data and/or control instructions from the first microprocessor through a communication protocol/communication interface, and is used for sending the processed muscle state data to a mobile terminal for data display and analysis; the mobile terminal is provided with corresponding software or program, and the mobile terminal comprises a computer and a smart phone, but is not limited thereto.
The external interface is used for providing a synchronous signal for the microprocessor when a plurality of wireless wearable electronic devices work on the same user at the same time, and the synchronous signal is used for providing a unified time standard for the plurality of wireless wearable electronic devices working at the same time; the wireless wearable electronic equipment can synchronously acquire and record electrophysiological signals of multiple parts of a human body; the external interface is also connected with an external power supply to provide a charging function for the internal power supply;
in this embodiment, the external interface adopts four copper contacts.
The microprocessor is communicated with the electrophysiological sensor through a communication protocol/communication interface, acquires muscle state data from the electrophysiological sensor, and packages the acquired muscle state data of a plurality of groups together with a timestamp; the microprocessor also sends data and/or control instructions to the WiFi communication module and the local data recording module through a communication protocol/communication interface; the microprocessor sends the processed muscle state data to the WiFi communication module and the local data recording module; the microprocessor is also used for adjusting the time inside the microprocessor according to the synchronous signal provided by the external interface.
In this embodiment, the microprocessor adopts a CC3220SF chip of the TI company, wherein a WiFi module is integrated in the CC3220SF chip, so that the microprocessor and the WiFi communication module are integrated in the CC3220SF chip, which effectively reduces the volume of circuit design, and makes the wireless wearable electronic device more portable.
The power supply management module is used for regulating and controlling the working current of the internal power supply and then providing electric energy for the microprocessor, the electrophysiological sensor, the WiFi communication module and the local data recording module; the power supply management module is also used for regulating and controlling the charging current of an external power supply connected with the external interface, and charging the internal power supply through the regulated and controlled charging current; in this embodiment, the power management module employs a MAX745 chip.
The internal power supply is used for supplying electric energy to the equipment main body; the present embodiment uses a lithium battery as an internal power source for providing a stable voltage function.
The equipment accessory is used for fixing the equipment main body at a position to be measured of a user and comprises a fixing bandage, a soft rubber fixer, an electrode wire and a disposable electrode sticker.
The working flow of the wireless wearable electronic device capable of quantitatively evaluating and recording the muscle electrical signal in the embodiment is shown in fig. 2, and specifically includes:
fixing the equipment main body to a part to be measured of a user through the equipment accessory; the electrophysiological sensor collects muscle state data of a part to be detected and carries out digital processing, and the digitally processed data is sent to the microprocessor through a communication protocol/communication interface; after the microprocessor acquires the muscle state data, processing the acquired data; the microprocessor sends the processed muscle state data to the local data recording module through a communication protocol/communication interface, and stores the data in the local machine of the equipment; the microprocessor also sends the processed muscle state data to the WiFi communication module through a communication protocol/communication interface, and sends the processed muscle state data to a mobile terminal provided with corresponding software or program through the WiFi communication module; when a plurality of wireless wearable electronic devices work on the same user at the same time, the external interface provides synchronous signals for the microprocessor, the synchronous signals provide uniform time standards for the plurality of wireless wearable electronic devices working at the same time, and the microprocessor adjusts the internal time of the microprocessor according to the synchronous signals.
The wireless wearable electronic device capable of quantitatively evaluating and recording the muscle electrical signals has various application modes, and three optional application modes are provided in the embodiment, but the wireless wearable electronic device capable of quantitatively evaluating and recording the muscle electrical signals is not limited to the three application modes, and any device capable of storing data and/or installing corresponding software or program can be used for evaluating and recording the muscle electrical signals.
The first embodiment is as follows:
in this embodiment, the local data recording module uses an SD card as a storage medium, the device main body is installed in a soft shell for fixation, the soft shell is fixed near a portion to be measured of a user through an elastic bandage, electrode patches are respectively attached to the upper end and the lower end of a target muscle tissue, the electrode patches and the device main body are connected by using electrode wires, and data of the portion to be measured is recorded in the SD card after the device is started, as shown in fig. 3.
Example two:
in the embodiment, the equipment main body is connected with a computer provided with corresponding software through WiFi, the equipment main body is installed in a soft shell for fixing, the soft shell is fixed near a part to be measured of a user through an elastic bandage, electrode pastes are respectively pasted at the upper end and the lower end of a target muscle tissue, the electrode pastes and the equipment main body are connected through an electrode wire, and after the equipment is started, data of the part to be measured are sent to the computer through the WiFi communication module and can be used for displaying, storing and analyzing muscle state data; according to the supporting conditions and the actual use requirements of the corresponding software, a plurality of devices can be adopted to simultaneously carry out the quantitative work of the muscle state, as shown in figure 4.
Example three:
this embodiment the equipment main part is connected with the smart mobile phone that is equipped with corresponding procedure through wiFi, will the equipment main part is installed and is fixed in the soft shell, will the soft shell is fixed in near the user position of awaiting measuring through elastic bandage, pastes the electrode subsides respectively at target musculature upper and lower extreme, uses electrode line connection the electrode subsides with the equipment main part, after the start, with the data of the position of awaiting measuring send to the smart mobile phone through wiFi communication module in, can be used for showing, saving and the analysis muscle state data, as shown in fig. 5.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (6)
1. A wireless wearable electronic device that can quantitatively assess and record muscle electrical signals, comprising: an apparatus body and an apparatus accessory; the device main body comprises a microprocessor, an electrophysiological sensor, a WiFi communication module, a local data recording module, an external interface, a power management module and an internal power supply; the electrophysiological sensor is connected with the input end of the microprocessor, the WiFi communication module and the local data recording module are connected with the output end of the microprocessor, the output end of the power supply management module is respectively connected with the microprocessor, the electrophysiological sensor, the WiFi communication module and the local data recording module, and the input end of the power supply management module is connected with the external interface and the internal power supply; the external interface is electrically connected with the microprocessor and the power management module;
the electrophysiological sensor is used for acquiring muscle electrical signals;
the local data recording module is used for storing the processed muscle electric signals in the local machine of the equipment;
the WiFi communication module is used for sending the processed muscle electric signals to the mobile terminal;
the external interface is used for providing a synchronous signal for the microprocessor, and is also used for connecting an external power supply to charge the internal power supply;
the microprocessor is used for processing the muscle electric signals and sending the processed data to the local data recording module and the WiFi communication module; the microprocessor is also used for adjusting the internal time of the microprocessor according to the synchronous signal;
the power supply management module is used for regulating and controlling the working current and the charging current of the internal power supply;
the equipment accessory is used for fixing the equipment main body on a part to be measured of a user.
2. The wireless wearable electronic device that can quantitatively evaluate and record electrical muscle signals according to claim 1, wherein the electrophysiological sensor is capable of acquiring bioelectrical signals of at least one channel.
3. The wireless wearable electronic device that can quantitatively evaluate and record electrical muscle signals according to claim 1, wherein the wireless wearable electronic device that can quantitatively evaluate and record electrical muscle signals is capable of collecting data collection of 8 channels.
4. The wireless wearable electronic device that can quantitatively evaluate and record electrical muscle signals according to claim 1, wherein the synchronization signal is configured to provide a uniform time standard for a plurality of wireless wearable electronic devices that can quantitatively evaluate and record electrical muscle signals working simultaneously; the plurality of wireless wearable electronic devices capable of quantitatively evaluating and recording the muscle electric signals can synchronously acquire and record electrophysiological signals of a plurality of parts of a human body.
5. The wireless wearable electronic device that can quantitatively evaluate and record electrical signals of muscles of claim 1, wherein the device accessories comprise a securing strap, a soft glue retainer, an electrode wire, a disposable electrode patch.
6. Wireless wearable electronic device that can quantitatively assess and record muscular electrical signals according to claim 1, characterized in that the microprocessor communicates data and/or instructions with the electrophysiological sensors, WiFi communication module, local data logging module via a communication protocol/communication interface.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101879062A (en) * | 2010-07-01 | 2010-11-10 | 清华大学 | Surface electromyograph, measuring box, surface electromyography module and measuring method |
CN105426696A (en) * | 2015-12-24 | 2016-03-23 | 中国科学院苏州生物医学工程技术研究所 | Multi-node quantitative assessment system and method for symptoms of Parkinson's disease |
CN106308792A (en) * | 2016-09-06 | 2017-01-11 | 武汉大学 | Portable collection device for high precision myoelectric signal |
US20170215786A1 (en) * | 2014-04-14 | 2017-08-03 | Brain Sentinel, Inc. | Detection of emg activity using sensors on both sides of the body |
-
2020
- 2020-07-17 CN CN202010692781.0A patent/CN111657942A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101879062A (en) * | 2010-07-01 | 2010-11-10 | 清华大学 | Surface electromyograph, measuring box, surface electromyography module and measuring method |
US20170215786A1 (en) * | 2014-04-14 | 2017-08-03 | Brain Sentinel, Inc. | Detection of emg activity using sensors on both sides of the body |
CN105426696A (en) * | 2015-12-24 | 2016-03-23 | 中国科学院苏州生物医学工程技术研究所 | Multi-node quantitative assessment system and method for symptoms of Parkinson's disease |
CN106308792A (en) * | 2016-09-06 | 2017-01-11 | 武汉大学 | Portable collection device for high precision myoelectric signal |
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