CN111466945A - Muscle sound signal detection sensing device capable of automatically adjusting contact pressure - Google Patents
Muscle sound signal detection sensing device capable of automatically adjusting contact pressure Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/006—Detecting skeletal, cartilage or muscle noise
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
- A61B7/04—Electric stethoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors
Abstract
The invention relates to a muscle tone signal detection sensing device capable of automatically adjusting contact pressure, and belongs to the technical field of electronic equipment. The device comprises an acceleration-pressure sensor integrated unit, a microprocessor, a serial port Bluetooth, a power module and an air bag bandage. The acceleration-pressure sensor integrated unit comprises an acceleration sensor and a pressure sensor, wherein the acceleration sensor is used for acquiring muscle sound signals on the surface of muscles, and the pressure sensor is used for acquiring the contact pressure between the air bag bandage and the muscles; the air bag pump is used for adjusting the size of an air bag cavity in the middle layer of the air bag bandage, so that the pressure between muscles and the bandage is adjusted. The device adopts sensor integrated units of different arrays according to the size and the position of muscles of a human body, simultaneously detects muscle tone signals and contact pressure, adjusts the internal pressure of an air bag cavity between a binding band and the muscles through an air bag pump, closes a valve when the amplitude of the muscle tone signals is maximum and stable, and has the best quality of the detected muscle tone signals.
Description
Technical Field
The invention belongs to the technical field of electronic equipment, and relates to a muscle tone signal detection sensing device capable of automatically adjusting contact pressure.
Background
The muscle strength deterioration of the elderly affects the ability of the elderly to live daily, and the muscle strength estimation can assess the mobility of the elderly. The muscle tone signal can well estimate the muscle force, so a set of muscle tone signal collecting device is needed to be designed to conveniently, reliably and flexibly measure the muscle force.
Zingiber officinale, university of Taiyuan science and technology, invented a multichannel myotone signal acquisition device (patent publication No. CN204931670U), which adopts n microphone sensors to acquire myotone signals, is connected with a processor through a signal shielding line, and is connected with a computer through an audio frequency double-sound-channel line to process myotone signal data. A set of muscle tone signal analysis system (patent publication No. CN108903948A) is designed in the Nenghaichuan of Zhengzhou university, and relates to the technical field of human body action mode identification.
Summer chumin of eastern major university has designed a flesh sound signal wireless acquisition bracelet (patent publication No. CN109171124A) for sign language discernment, and this bracelet includes that flesh sound signal gathers and wifi data transmission's signal acquisition circuit board, rechargeable lithium cell, plastic housing, and its inside is equipped with four acceleration sensor who is connected with the signal acquisition circuit board through the soft arranging pencil of FPC respectively, acceleration sensor hug closely the setting with always stretching muscle, radial wrist flexor, ulnar wrist flexor and radial wrist extensor muscle respectively.
The muscle sound signal is a non-invasive signal of low-frequency transverse vibration for recording and quantifying skeletal muscle fiber movement, and has the advantages of strong anti-interference capability, measurement on a clothes separating layer, convenience in wearing and the like compared with the myoelectric signal. When muscles contract, vibration signals generated by the muscles can be transmitted to the surface of the skin through soft tissues such as fat skin and the like, muscle sound signals are acquired through sensors fixed on the skin or clothes, such as a microphone sensor, a laser displacement sensor, an inertial sensor and the like, and the acquired acceleration signals are filtered by 5-100Hz to obtain the muscle sound signals. In the process of collecting the muscle sound signals, the contact pressure between the sensor and the muscle can influence the muscle sound signals, the muscle sound signals are not easily obtained due to the fact that the contact pressure is too large or too small, and the muscle sound signals can be better collected through the appropriate contact pressure. However, the device and the system of the above patent cannot flexibly adjust the contact pressure between the sensor and the muscle, and cannot ensure the reliability and stability of the muscle sound signal acquisition. Based on the muscle tone signal detection sensing device, the contact pressure can be automatically adjusted, and the reliable and stable muscle tone signal can be obtained according to reasonable contact pressure.
Disclosure of Invention
In view of the above, the present invention provides a muscle tone signal detecting and sensing device capable of automatically adjusting a contact pressure.
In order to achieve the purpose, the invention provides the following technical scheme:
a muscle sound signal detection sensing device capable of automatically adjusting contact pressure comprises an acceleration-pressure sensor integrated unit, a microprocessor, a serial port Bluetooth, a power module and an airbag bandage, wherein the acceleration-pressure sensor integrated unit is connected with the microprocessor through a communication interface;
the acceleration-pressure sensor integrated unit comprises an acceleration sensor and a pressure sensor, the acceleration sensor is used for collecting muscle sound signals on the surface of muscles, and the pressure sensor is used for collecting contact pressure between an air bag binding band and the muscles; the microprocessor is connected with the acceleration sensor and the pressure sensor and is used for controlling the acquisition process of the muscle sound signals and the contact pressure; the serial port Bluetooth wirelessly transmits the muscle sound signal and the contact pressure to a computer or a mobile phone; the power supply module provides electric energy for the sensor integration unit, the microprocessor and the serial port Bluetooth; the air bag bandage acts on human muscle and is used for fixing the whole detection sensing device, a closed air bag cavity is arranged in the detection sensing device, and an air bag pump is used for adjusting the volume of the air bag cavity in the middle layer of the air bag bandage, so that the pressure between the muscle and the bandage is adjusted; the device adopts sensor integration units with different arrays according to the size and the position of muscles of a human body, simultaneously detects muscle tone signals and contact pressure, adjusts the internal pressure of an air bag cavity between a binding band and the muscles through an air bag pump, closes a valve when the amplitude of the muscle tone signals is maximum and stable, and has the best quality of the detected muscle tone signals.
Optionally, the acceleration-pressure sensor integrated unit has three layers, the upper layer is a pressure sensor, the lower layer is an acceleration sensor, the middle layers of the acceleration sensor and the lower layer are films for preventing electromagnetic interference, the acceleration sensor is in contact with the skin or clothes of a human body, and the pressure sensor is in contact with the inner layer of the airbag bandage; according to newton's third law, the pressure between the acceleration sensor and the skin and the contact pressure detected by the pressure sensor are equal in magnitude, ignoring the mass of the sensor-integrated unit.
Optionally, the gasbag bandage includes inlayer, intermediate level and skin, and the inlayer of gasbag bandage is close skin elastic material, makes things convenient for the dynamic adjustment of sensor integrated unit at the inlayer position, and the intermediate level of gasbag bandage is inclosed gasbag cavity, and the volume of gasbag cavity can enlarge or reduce, and the skin of gasbag bandage is elastic material for fixed whole detection sensing device.
Optionally, the integrated acceleration-pressure sensor unit is arranged as a multi-channel detection array of 1 × n,2 × n,3 × n … for a single muscle; the apparatus will be described by way of two specific examples.
Optionally, when the single muscle is biceps brachii, the acceleration-pressure sensor integrated unit is disposed at the long head and the short head of the biceps brachii, according to the fusiform direction of the biceps brachii.
Optionally, when the single muscle is quadriceps femoris, the acceleration-pressure sensor integrated unit is arranged in the fusiform direction of the rectus femoris, the vastus lateralis and the vastus medialis.
The invention has the beneficial effects that: the device adopts sensor integrated units of different arrays according to the size and the position of muscles of a human body, simultaneously detects muscle tone signals and contact pressure, adjusts the internal pressure of an air bag cavity between a binding band and the muscles through an air bag pump, closes a valve when the amplitude of the muscle tone signals is maximum and stable, and has the best quality of the detected muscle tone signals.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a view showing the construction of the apparatus;
FIG. 2 is an expanded view of the layout of an integrated unit of the acceleration-pressure sensor;
FIG. 3 is a diagram showing the effect of biceps brachii muscle detection;
FIG. 4 is a cross-sectional view of the device in contact with the long head of the biceps brachii;
fig. 5 is a graph of the detection effect of quadriceps femoris.
Reference numerals: a1 is an acceleration-pressure sensor integrated unit I, A2 is an acceleration-pressure sensor integrated unit II, A3 is an acceleration-pressure sensor integrated unit III, A4 is an acceleration-pressure sensor integrated unit IV, A5 is an acceleration-pressure sensor integrated unit V, A6 is an acceleration-pressure sensor integrated unit VI, B1 is a microprocessor, B2 is serial Bluetooth, B3 is a power supply module, B4 is a sensor integrated unit interface, C1 is an inner layer of an airbag bandage, C2 is an intermediate layer of the airbag bandage, C3 is an outer layer of the airbag bandage, C4 is an air pipe of the airbag bandage, C5 is a valve of the airbag bandage, and C6 is an airbag pump of the airbag bandage.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
A muscle sound signal detection sensing device capable of automatically adjusting contact pressure comprises an acceleration-pressure sensor integrated unit, a microprocessor, a serial port Bluetooth, a power module and an air bag bandage. The acceleration-pressure sensor integrated unit comprises an acceleration sensor and a pressure sensor, wherein the acceleration sensor is used for acquiring muscle sound signals on the surface of muscles, and the pressure sensor is used for acquiring the contact pressure between the air bag bandage and the muscles; the microprocessor is connected with the acceleration sensor and the pressure sensor and is used for controlling the acquisition process of the muscle sound signals and the contact pressure; the serial port Bluetooth wirelessly transmits the muscle sound signal and the contact pressure to a computer or a mobile phone; the power supply module provides electric energy for the sensor integration unit, the microprocessor and the serial port Bluetooth; the air bag bandage acts on human muscle for fixed whole detection sensing device contains inclosed air bag cavity, and the air bag pump is used for adjusting the size of the air bag cavity in air bag bandage intermediate level, thereby adjusts the pressure between muscle and bandage. The device adopts sensor integrated units of different arrays according to the size and the position of muscles of a human body, simultaneously detects muscle tone signals and contact pressure, adjusts the internal pressure of an air bag cavity between a binding band and the muscles through an air bag pump, closes a valve when the amplitude of the muscle tone signals is maximum and stable, and has the best quality of the detected muscle tone signals.
Fig. 1 is a structure diagram of the device, where a1 is a first acceleration-pressure sensor integrated unit, a2 is a second acceleration-pressure sensor integrated unit, A3 is a third acceleration-pressure sensor integrated unit, a4 is a fourth acceleration-pressure sensor integrated unit, a5 is a fifth acceleration-pressure sensor integrated unit, a6 is a sixth acceleration-pressure sensor integrated unit, the sensor integrated unit includes an acceleration sensor and a pressure sensor inside, the acceleration sensor is used for acquiring muscle tone signals on the surface of muscles, and the pressure sensor is used for acquiring contact pressure between an airbag bandage and the muscles; b1 is a microprocessor which is connected with the acceleration sensor and the pressure sensor and is used for controlling the acquisition process of the muscle sound signals and the contact pressure; b2 is serial Bluetooth, which transmits the muscle sound signal and the contact pressure to the computer or the mobile phone wirelessly; b3 is a power module which supplies electric energy for the sensor integrated unit, the microprocessor and the serial port Bluetooth; b4 is the interface of the sensor integrated unit, through which the muscle tone signal and the contact pressure transmit the collected data to the microprocessor; c1, C2 and C3 are respectively an inner layer, a middle layer and an outer layer of the air bag bandage, the inner layer of the air bag bandage is made of skin-friendly elastic materials, dynamic adjustment of a sensor integration unit on the position of the inner layer is facilitated, the middle layer of the air bag bandage is a sealed air bag cavity, the volume of the air bag cavity can be enlarged or reduced, the outer layer of the air bag bandage is made of elastic materials, C4, C5 and C6 are respectively an air pipe, a valve and an air bag pump of the air bag bandage, and when the valve C5 is opened, the air bag pump C6 adjusts the volume of the air bag cavity in the middle layer of the air bag bandage through the air pipe C4, so that the contact pressure between muscles and. When the detected muscle tone signal has good and stable quality, the valve C5 is closed, the contact pressure at the moment is recorded, and the optimal muscle tone signal can be obtained only by adjusting the contact pressure value when the device is used next time.
The acceleration-pressure sensor integrated unit comprises three layers, wherein the upper layer is a pressure sensor, the lower layer is an acceleration sensor, the middle layers of the acceleration sensor and the lower layer are films for preventing electromagnetic interference, the acceleration sensor is in contact with the skin or clothes of a human body, and the pressure sensor is in contact with the inner layer of the air bag bandage. The mass of the sensor integrated unit with respect to the contact pressure is negligible, and according to newton's third law, the pressure between the acceleration sensor and the skin and the contact pressure detected by the pressure sensor are equal in magnitude, regardless of the mass of the sensor integrated unit. Therefore, the acceleration-pressure sensor integrated unit can accurately measure the pressure between the sensor integrated unit and the airbag band.
Fig. 2 is a layout development view of an acceleration-pressure sensor integrated unit, a1 is a first acceleration-pressure sensor integrated unit, a2 is a second acceleration-pressure sensor integrated unit, A3 is a third acceleration-pressure sensor integrated unit, a4 is a fourth acceleration-pressure sensor integrated unit, a5 is a fifth acceleration-pressure sensor integrated unit, a6 is a sixth acceleration-pressure sensor integrated unit and is in contact with skeletal muscles, the sensor integrated unit internally includes an acceleration sensor and a pressure sensor, the acceleration sensor is used for acquiring muscle sound signals on the surface of muscles, and the pressure sensor is used for acquiring contact pressure between an airbag bandage and muscles. C1, C2 and C3 are respectively an inner layer, a middle layer and an outer layer of the air bag bandage, the inner layer of the air bag bandage is made of skin-friendly elastic materials, dynamic adjustment of the sensor integration unit on the inner layer position is facilitated, the middle layer of the air bag bandage is a closed air bag cavity, the volume of the air bag cavity can be enlarged or reduced, and the outer layer of the air bag bandage is made of elastic materials and used for fixing the whole detection sensing device.
The device can act on muscles of upper limbs and lower limbs of a human body, and detected parts comprise, but are not limited to, muscles of biceps brachii, triceps brachii, forearm muscle group, quadriceps femoris and the like of the upper limbs of the human body. The sensor integrated unit of the device aims at the size and the position of a muscle part, and a single muscle can be arranged into a multi-channel detection array of 1 x n,2 x n,3 x n and the like. The apparatus will be described by way of two specific examples.
(1) Example 1
In this embodiment, the device shown in fig. 1 is used to collect muscle tone signals of the biceps brachii, and since the biceps brachii is in a fusiform structure and is divided into a long head and a short head, sensor integration units are respectively disposed on the long head and the short head of the biceps brachii along the fusiform direction of the biceps brachii.
Fig. 3 shows the detecting effect of the biceps brachii, in which the first acceleration-pressure sensor integrated unit a1, the second acceleration-pressure sensor integrated unit a2, and the third acceleration-pressure sensor integrated unit A3 are 3 sensor integrated units disposed in the direction of the fusiform of the long head of the biceps brachii, and the fourth acceleration-pressure sensor integrated unit a4, the fifth acceleration-pressure sensor integrated unit a5, and the sixth acceleration-pressure sensor integrated unit a6 are 3 sensor integrated units disposed in the direction of the fusiform of the short head of the biceps brachii. B is a microprocessor part, comprising a microprocessor, a serial port Bluetooth, a power module and the like, wherein the microprocessor part is placed behind the biceps brachii and is connected with an acceleration sensor and a pressure sensor and used for controlling the acquisition process of muscle sound signals and contact pressure; the serial port Bluetooth is used for wirelessly transmitting the muscle sound signal and the contact pressure to a computer or a mobile phone; the power module provides electric energy for the sensor integrated unit, the microprocessor and the serial port Bluetooth. C is the elasticity gasbag bandage, and the gasbag bandage has the three-layer, and the inlayer of gasbag bandage is close skin elasticity material, makes things convenient for the dynamic adjustment of sensor integrated unit at the inlayer position, and the intermediate level of gasbag bandage is inclosed gasbag cavity, and the volume of gasbag cavity can enlarge or reduce, and the skin of gasbag bandage is the elasticity material for fixed whole detection sensing device.
Fig. 4 is a sectional view showing the contact of the device with the long head of biceps brachii, a1 is a first acceleration-pressure sensor integrated unit, a2 is a second acceleration-pressure sensor integrated unit, A3 is a third acceleration-pressure sensor integrated unit, and C is an airbag band portion for fixing the whole device. In fig. 4, from bottom to top, bone, muscle, subcutaneous fat, skin, sensor integrated unit, and air bag strap are seen, and when the muscle contracts, mechanical vibration is transmitted to the skin surface along the subcutaneous fat, skin, etc., and the mechanical vibration signal, i.e., muscle tone signal, is captured by the sensor integrated unit.
When the muscle tone signal quality of the subject is detected to be poor or the wearing is not smooth, the internal pressure of the air bag cavity of the binding band can be increased through the air bag pump, so that the binding band can be in good contact with the muscle. When the device starts to work, the muscle tone signal and the contact pressure of a testee are repeatedly detected, the internal pressure of the air bag cavity between the binding band and the muscle is adjusted through the air bag pump, and when the amplitude intensity of the muscle tone signal is maximum and stable, the quality of the detected muscle tone signal is the best.
(2) Example 2
This example uses the device of fig. 1 to collect muscle tone signals from the quadriceps femoris, which have the rectus femoris, the vastus lateralis, the vastus medialis and the vastus intermedialis, where the vastus intermedialis not able to directly collect the muscle tone signals on the medial thigh side. The quadriceps femoris is of a fusiform structure, so that 3 x 2 arrays of multi-channel sensors are respectively arranged in the fusiform directions of three muscles, namely rectus femoris, vastus lateralis and vastus medialis to acquire muscle signals.
Fig. 5 is a graph showing effects of collecting muscle tone signals of quadriceps femoris, a1 and a2 are 2 sensor integrated units arranged in the fusiform direction of the vastus medialis, A3 and a4 are 2 sensor integrated units arranged in the fusiform direction of the vastus medialis, and a5 and a6 are 2 sensor integrated units arranged in the fusiform direction of the vastus lateral. The B is a microprocessor part which comprises a microprocessor, a serial port Bluetooth, a power module and the like, the B is placed behind the quadriceps femoris, and the microprocessor is connected with an acceleration sensor and a pressure sensor and used for controlling the acquisition process of muscle sound signals and contact pressure; the serial port Bluetooth is used for wirelessly transmitting the muscle sound signal and the contact pressure to a computer or a mobile phone; the power module provides electric energy for the sensor integrated unit, the microprocessor and the serial port Bluetooth. C is the elasticity gasbag bandage, and the gasbag bandage has the three-layer, and the inlayer of gasbag bandage is close skin elasticity material, makes things convenient for the dynamic adjustment of sensor integrated unit at the inlayer position, and the intermediate level of gasbag bandage is inclosed gasbag cavity, and the volume of gasbag cavity can enlarge or reduce, and the skin of gasbag bandage is the elasticity material for fixed whole detection sensing device.
When the muscle tone signal quality of the subject is detected to be poor or the wearing is not smooth, the internal pressure of the air bag cavity of the binding band can be increased through the air bag pump, so that the binding band can be in good contact with the muscle. When the device starts to work, the muscle tone signal and the contact pressure of a testee are repeatedly detected, the internal pressure of the air bag cavity between the binding band and the muscle is adjusted through the air bag pump, and when the amplitude intensity of the muscle tone signal is maximum and stable, the quality of the detected muscle tone signal is the best.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (6)
1. A muscle sound signal detection sensing device capable of automatically adjusting contact pressure is characterized in that: the device comprises an acceleration-pressure sensor integrated unit, a microprocessor, a serial port Bluetooth, a power module and an air bag bandage;
the acceleration-pressure sensor integrated unit comprises an acceleration sensor and a pressure sensor, the acceleration sensor is used for collecting muscle sound signals on the surface of muscles, and the pressure sensor is used for collecting contact pressure between an air bag binding band and the muscles; the microprocessor is connected with the acceleration sensor and the pressure sensor and is used for controlling the acquisition process of the muscle sound signals and the contact pressure; the serial port Bluetooth wirelessly transmits the muscle sound signal and the contact pressure to a computer or a mobile phone; the power supply module provides electric energy for the sensor integration unit, the microprocessor and the serial port Bluetooth; the air bag bandage acts on human muscle and is used for fixing the whole detection sensing device, a closed air bag cavity is arranged in the detection sensing device, and an air bag pump is used for adjusting the volume of the air bag cavity in the middle layer of the air bag bandage, so that the pressure between the muscle and the bandage is adjusted; the device adopts sensor integration units with different arrays according to the size and the position of muscles of a human body, simultaneously detects muscle tone signals and contact pressure, adjusts the internal pressure of an air bag cavity between a binding band and the muscles through an air bag pump, closes a valve when the amplitude of the muscle tone signals is maximum and stable, and has the best quality of the detected muscle tone signals.
2. The muscle tone signal detecting and sensing device capable of automatically adjusting contact pressure according to claim 1, wherein: the acceleration-pressure sensor integrated unit comprises three layers, wherein the upper layer is a pressure sensor, the lower layer is an acceleration sensor, the middle layers of the acceleration sensor and the lower layer are films for preventing electromagnetic interference, the acceleration sensor is in contact with the skin or clothes of a human body, and the pressure sensor is in contact with the inner layer of the air bag bandage; according to newton's third law, the pressure between the acceleration sensor and the skin and the contact pressure detected by the pressure sensor are equal in magnitude, ignoring the mass of the sensor-integrated unit.
3. The muscle tone signal detecting and sensing device capable of automatically adjusting contact pressure according to claim 1, wherein: the gasbag bandage includes inlayer, intermediate level and skin, and the inlayer of gasbag bandage is close skin elasticity material, makes things convenient for the dynamic adjustment of sensor integrated unit at the inlayer position, and the intermediate level of gasbag bandage is inclosed gasbag cavity, and the volume of gasbag cavity can enlarge or reduce, and the skin of gasbag bandage is the elasticity material for fixed whole detection sensing device.
4. The muscle tone signal detecting and sensing device capable of automatically adjusting contact pressure according to claim 1, wherein: the acceleration-pressure sensor integrated unit is arranged as a multi-channel detection array of 1 x n,2 x n,3 x n … for a single muscle; the apparatus will be described by way of two specific examples.
5. The muscle tone signal detecting and sensing device capable of automatically adjusting contact pressure according to claim 4, wherein: when the single muscle is biceps brachii, the acceleration-pressure sensor integrated unit is arranged on the long head and the short head of the biceps brachii according to the fusiform direction of the biceps brachii.
6. The muscle tone signal detecting and sensing device capable of automatically adjusting contact pressure according to claim 4, wherein: when the single muscle is quadriceps femoris, the acceleration-pressure sensor integrated unit is arranged in the fusiform direction of the rectus femoris muscle, the vastus lateralis muscle and the vastus medialis muscle.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617839A (en) * | 2021-01-25 | 2021-04-09 | 杭州电子科技大学 | Sensing array and system for muscle pressure signal acquisition |
| CN113057618A (en) * | 2021-03-26 | 2021-07-02 | 重庆大学 | Muscle sound signal detection device with impedance detection function |
| GB2596800A (en) * | 2020-07-03 | 2022-01-12 | Imperial College Innovations Ltd | A mechanomyography apparatus and associated methods |
| CN114287942A (en) * | 2021-12-29 | 2022-04-08 | 杭州电子科技大学 | Muscle pressure sensing array structure with adjustable initial pressure and adjusting method thereof |
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