CN209048136U - Sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device - Google Patents
Sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device Download PDFInfo
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- CN209048136U CN209048136U CN201821476123.2U CN201821476123U CN209048136U CN 209048136 U CN209048136 U CN 209048136U CN 201821476123 U CN201821476123 U CN 201821476123U CN 209048136 U CN209048136 U CN 209048136U
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Abstract
The utility model is a kind of sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device, solves existing myoelectricity acquisition device there are accuracy that low, stability is poor, can not acquire under water, the problems such as wearing comfort is poor, inconvenient activity.The utility model includes wireless myoelectricity acquisition module and wireless receiving end, wireless myoelectricity acquisition module is made of nonwoven layer, flexible circuit board and glue line, and data memory module, radio receiving transmitting module, amplification/filtering/trap circuit, central processing unit and power module are provided on flexible circuit board；Wireless receiving end turns serial ports by the radio receiving transmitting module, central processing unit, TTL being arranged on hard circuit board and USB interface forms.The acquisition precision of utility model device is high, comfortable wearing, small on physical activity influence, can be used for acquiring under water.Utility model device is due to integrally-built ultrathin, it is possible to the real-time myoelectric information of sportsman when collecting match.
Description
Background technique
The utility model relates to a kind of for acquiring the device of myoelectricity situation of change during athlete's in real time, specifically
It is a kind of sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device for being attached at human body surface.
Background technique
At present international mature be applied to sports items on portable surface myoelectricity acquire equipment, main representative have with
Lower four products: 1) the portable myoelectricity of the NORAXON company in the U.S. acquires equipment, which pastes the module for being defeated by human body surface
Size is long 30mm, width 10mcm, high 10mm weigh about the cuboid of 32g；2) the portable myoelectricity acquisition of the Delsys company in the U.S.
Equipment, equipment patch are defeated by the block size of human body surface for the cube of long 37mm, width 26mm, high 15mm；3) Iceland Kine
The portable myoelectricity of company acquires equipment, and the block size that equipment patch is defeated by human body surface is width 46mm, high 16mm, length
The ellipse of 56mm, weight 30g；4) the portable myoelectricity of BTS company, Italy acquires equipment, which pastes the mould for being defeated by human body surface
Block size is long 26mm, high 12mm, width 11mm, weighs 9g, while with external connection reference electrode.
The acquisition module of above four kinds of myoelectricities acquisition equipment is all made of hard material, and module is excessive, while using wet electricity
Pole acquisition geometry；Only sticked at during acquiring stroking technique human body surface be it is not all right, because of athletes ' body
Will appear the movement of various wide-angles, muscle stretch etc. during the motion, it is necessary to by its with Elastic bandage or other forms into
The secondary fixation of row, the case where otherwise will appear collection point displacement, and due to the hardness of acquisition module with it is excessive, to sportsman's muscle
Scope of activities and the angles of joint motions have very big influence, must consider whether can will by sportsman in collection process
Movement is completed and existing dangerous situation, while four kinds of equipment can not be acquired under water due to design defect.
And the data acquired when non-racing can not play a key effect to the promotion of high-level athletics's achievement, carefully
Micro- difference is the difference for leading to training method and the variation of training result；Its match is collected for high performance athlete
Most accurate, the in the best state myoelectric information of Shi Guanjian muscle is recorded, and obtains its characteristics of motion and feature by analysis,
It finds myoelectricity feature training tool similar or consistent to its myoelectricity feature in daily workout simultaneously to be trained, will mention in this way
The competitiveness and ability of high high level athletics.
In conclusion defect existing for the existing surface myoelectric acquisition equipment applied in sports items can be summarized as
The following: the 1) inaccuracy and unstability of wet electrode acquisition；2) fixation is cumbersome, it is fixed after to the scope of activities of muscle with
And the movement angle in joint has larger impact；3) acquisition module is excessive, overweight, and acquisition module is hardness；4) water can not be acquired
Lower myoelectric information.
Summary of the invention
Purpose of the utility model is to solve existing in the above prior art, and provide a kind of sticking type
Wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device.
The utility model is achieved by the following technical solution:
A kind of sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device, including wireless myoelectricity acquisition module
With wireless receiving end；
Wireless myoelectricity acquisition module includes the nonwoven layer for being located at top layer, positioned at the flexible circuit board of middle layer and the bottom of positioned at
The glue line of layer；Be provided on the top surface of flexible circuit board data memory module, the first radio receiving transmitting module, amplification/filtering/
Trap circuit, the first central processing unit and power module are provided with array micro-nano needle electrode on the bottom surface of flexible circuit board,
The entirety of flexible circuit board is encapsulated by waterproof material；The position of face array micro-nano needle electrode offers confession on glue line
The through-hole that array micro-nano needle electrode stretches out；Wherein, data memory module, the first radio receiving transmitting module, amplification/filtering/fall into
Wave circuit is connect with the first central processing unit respectively, and array micro-nano needle electrode is connect with amplification/filtering/trap circuit；
Wireless receiving end includes hard circuit board, and the second radio receiving transmitting module, the second center are mounted on hard circuit board
Processor, TTL turn serial ports and USB interface, wherein the second radio receiving transmitting module is connect with the second central processing unit, the second center
Processor turns serial ports with TTL again and connect, and TTL turns serial ports and connect again with USB interface.
Array micro-nano needle electrode includes graphene-PDMS flexible conductive substrates, graphite as a preferred technical solution,
The top surface of alkene-PDMS flexible conductive substrates is designed as pinpoint array structure, and it is thin to be deposited with Parylene in pinpoint array structure
Film, sputtering has metal seed layer on parylene film, and sputtering has metal layer on metal seed layer；Graphene-PDMS is flexible
Conductive silver glue-line is coated on the bottom surface of conductive substrates.
The length and width dimensions of array micro-nano needle electrode are 1 × 1cm as a preferred technical solution,；Graphene-PDMS is soft
Property substrate with a thickness of 300-500 μm；The spacing of adjacent needle point is 160-240 μm in pinpoint array structure；The bottom of each needle point
Circular diameter is 70 μm, outside diameter circle is 5 μm, is highly 90 μm；Parylene film with a thickness of 500nm；Metal seed layer
With a thickness of 150nm and its material is titanium；Metal layer with a thickness of 20nm and its material is gold；Conductive silver glue-line with a thickness of
500μm。
As a preferred technical solution, in wireless myoelectricity acquisition module, the form and dimension of nonwoven layer and glue line
Identical, the area of nonwoven layer and glue line is greater than or equal to flexible circuit plate suqare, and nonwoven layer and glue line can
Cover all flexible circuit board；The size of flexible circuit board is the circle of diameter 55mm；It is disposed on the bottom surface of flexible circuit board
There are three array micro-nano needle electrode, the spacing between three array micro-nano needle electrodes is 3cm；Glue line is adopted
With Henkel glue, flexible circuit board uses FPC, and waterproof material uses Parylene.
Data memory module uses Microsoft sd card as a preferred technical solution,；First central processing unit and
Two central processing units are all made of Cortex-M3 stm32f103 processor；First radio receiving transmitting module and the second wireless receiving and dispatching
Module is all made of NRF24L01 chip；Power module is made of lithium battery and ME6211 voltage-stablizer, and voltage-stablizer is by lithium battery voltage
It is converted into 3.3v, for whole wireless myoelectricity acquisition module power supply；TTL turns serial ports using CH340 chip；Amplification/filtering/trap
Circuit is made of instrument amplifier AD8226 and four road operational amplifier OP4177.
In utility model device, for acquiring the acquisition module of electromyography signal using array micro-nano needle electrode, battle array
Column micro-nano needle electrode has biggish contact area, in direct contact with the skin to may pass through cuticula, and skin-electricity can be effectively reduced
The contact impedance of pole greatly improves the accuracy of acquisition information to obtain stable electromyography signal in this way.
In utility model device, acquisition module flexibility, using the non-woven fabrics, soft that can be integrally attached at human body surface
Property circuit board and glue line.Flexible circuit board material is FPC dielectric resin material, and glue line material is Henkel glue, due to
The flexibility of acquisition module can be realized multiple collection points while concentrate on one piece of sticking flexible module of tool, extends
Property it is preferable, it is easier to human skin move and stretch.Meanwhile flexible circuit board uses Parylene (with a thickness of 0.001mm-
It 0.05mm) is packaged, can reach waterproof action, be used for sub-aqua sport project.
Utility model device has the following beneficial effects:
1) array micro-nano needle electrode replaces original wet electrode, and acquisition precision is greatly improved, and by
Subtle in nanometer needle construction will not result in any wound.
2) volume for greatly reducing acquisition module is fixed on since the acquisition module of existing equipment is excessive, fixation is cumbersome
After human body the motion range and angle of human synovial and muscle can be had a huge impact, in this way caused by the result is that acquire number
According to deviation religion it is big, and security risk is increased when doing technical movements to sportsman；And the present apparatus is big by acquisition module volume
Width reduction, maximumlly reduces the influence to human muscle and range of motion, while sportsman acts in collection process
Danger coefficient be also greatly lowered；The present apparatus will acquire more more complicated technical movements.
3) water-proofing treatment is carried out to acquisition module, avoids influence of the human body sweat stain to acquisition precision in collection process, together
When start the precedent that myoelectricity acquires under water.
4) due to integrally-built ultrathin, it is possible to which the real-time myoelectric information of sportsman when collecting match, this is
Any a myoelectricity acquires condition not available for equipment both at home and abroad at present.
Detailed description of the invention
Attached drawing herein is used to provide the further explanation to the utility model, constitutes part of this application, this is practical
Novel illustrative embodiments and their description are used to explain the utility model, not constitute improper limits to the present invention.
Fig. 1 is the structural schematic diagram of the wireless myoelectricity acquisition module of utility model device.
Fig. 2 is the structural schematic diagram of the top surface of flexible circuit board.
Fig. 3 is the structural schematic diagram of the bottom surface of flexible circuit board.
Fig. 4 is the structural schematic diagram of array micro-nano needle electrode.
Fig. 5 is the structural schematic diagram at the wireless receiving end of utility model device.
Fig. 6 is that the system of utility model device runs figure.
Fig. 7 is amplification/filtering/trap circuit circuit diagram in utility model device.
In figure: 1- nonwoven layer, 2- flexible circuit board, 3- glue line, 4- data memory module, the first wireless receiving and dispatching of 5-
Module, 6- amplification/filtering/trap circuit, the first central processing unit of 7-, 8- power module, 9- array micro-nano needle electrode, 9-
1- graphene-PDMS flexible conductive substrates, 9-2- pinpoint array structure, 9-3- parylene film, 9-4- metal seed layer,
9-5- metal layer, 9-6- conductive silver glue-line, 10- hard circuit board, the second radio receiving transmitting module of 11-, the second central processing of 12-
Device, 13- TTL turn serial ports, 14-USB interface.
Specific embodiment
In order to make those skilled in the art better understand the utility model, below in conjunction with reference attached drawing and in conjunction with the embodiments
Further clear, complete explanation is made to the utility model.It should be noted that in the absence of conflict, in the application
Feature in embodiment and embodiment can be combined with each other.
As shown in Figures 1 to 5, a kind of sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device, including
Wireless myoelectricity acquisition module and wireless receiving end；
Wireless myoelectricity acquisition module includes the nonwoven layer 1 positioned at top layer, the flexible circuit board 2 positioned at middle layer and is located at
The glue line 3 of bottom, nonwoven layer 1, flexible circuit board 2 and glue line 3 become one；Nonwoven layer 1 and adhesive glue
The form and dimension of layer 3 is identical, and the area of nonwoven layer 1 and glue line 3 is greater than or equal to 2 area of flexible circuit board, nonwoven
Layer of cloth 1 and glue line 3 can cover all flexible circuit board 2, and the size of flexible circuit board 2 is the circle of diameter 55mm,
Glue line 3 uses Henkel glue, and flexible circuit board 2 uses FPC；Data memory module is provided on the top surface of flexible circuit board 2
4, the first radio receiving transmitting module 5, amplification/filtering/trap circuit 6, the first central processing unit 7 and power module 8, flexible circuit board
Spacing of the setting there are three array micro-nano needle electrode 9, between three array micro-nano needle electrodes 9 on 2 bottom surface
Entirety for 3cm, flexible circuit board 2 is encapsulated by waterproof material, the preferred Parylene of waterproof material；Face array on glue line 3
Decline nanometer pin electrode 9 position offer for array micro-nano needle electrode 9 stretch out through-hole；Wherein, the first central processing
Device 7 uses Cortex-M3 stm32f103 processor, and data memory module 4 uses Microsoft sd card, the first wireless receipts
It sends out module 5 and uses NRF24L01 chip, power module 8 is made of lithium battery and ME6211 voltage-stablizer, amplification/filtering/trap electricity
Road 6 is made of instrument amplifier AD8226 and four road operational amplifier OP4177, this is the known simultaneously energy of those skilled in the art
Enough realize, it is specific as shown in Figure 7；Data memory module 4, the first radio receiving transmitting module 5, amplification/filtering/trap circuit 6 divide
It is not connect with the first central processing unit 7, array micro-nano needle electrode 9 is connect with amplification/filtering/trap circuit 6；Array declines
Nanometer pin electrode 9 includes graphene-PDMS flexible conductive substrates 9-1, and the top surface of graphene-PDMS flexible conductive substrates 9-1 is set
It is calculated as pinpoint array structure 9-2, parylene film 9-3, parylene film 9- are deposited on pinpoint array structure 9-2
Sputtering has metal seed layer 9-4 on 3, and sputtering has metal layer 9-5 on metal seed layer 9-4；Graphene-PDMS flexible conductive substrates
Conductive silver glue-line 9-6 is coated on the bottom surface of 9-1；The length and width dimensions of array micro-nano needle electrode 9 are 1 × 1cm；Graphene-
PDMS flexible substrates 9-1 with a thickness of 300-500 μm；The spacing of adjacent needle point is 160-240 μm in pinpoint array structure 9-2；
The bottom circular diameter of each needle point is 70 μm, outside diameter circle is 5 μm, is highly 90 μm；Parylene film 9-3 with a thickness of
500nm；Metal seed layer 9-4 with a thickness of 150nm and its material is titanium；Metal layer 9-5 with a thickness of 20nm and its material is
Gold；Conductive silver glue-line 9-6 with a thickness of 500 μm.
Array micro-nano needle electrode 9 can obtain electromyography signal under keratoderma, and be connected by flexible circuit board 2
To amplification/filtering/trap circuit 6, the first central processing unit 7 is the core processor of this module, can will be amplified by AD acquisition/
Treated analog signal the is converted into digital signal of filtering/trap circuit 6, the first central processing unit 7 wireless are received by first again
, can be by data memory module 4 by data storage while sending out the transmission data of module 5, the packet loss that prevent data to be wirelessly transferred
Phenomenon.
Wireless receiving end includes hard circuit board 10, and the second radio receiving transmitting module 11, are mounted on hard circuit board 10
Two central processing units 12, TTL turn serial ports 13 and usb 14, wherein the second central processing unit 12 uses Cortex-M3
Stm32f103 processor, the second radio receiving transmitting module 11 use NRF24L01 chip, and TTL turns serial ports 13 and uses CH340 chip；
Second radio receiving transmitting module 11 is connect with the second central processing unit 12, and the second central processing unit 12 turns serial ports 13 with TTL again and connect,
TTL turns serial ports 13 and connect again with usb 14.
Wireless receiving end can receive the data that the first radio receiving transmitting module 5 is issued from wireless myoelectricity acquisition module, and
It is sent to the second central processing unit 12, serial ports 13 is turned by TTL by the second central processing unit 12 and usb 14 connects the end PC,
Data are shown eventually by the end PC.
When specifically used, multiple wireless myoelectricity acquisition modules can be set and match respectively with wireless receiving end and host computer
It closes and uses, it is specific as shown in Figure 6 so as to form the myoelectricity acquisition device of multichannel.
When system is run, firstly, sending preparation instruction, each wireless myoelectricity acquisition module by wireless receiving end by host computer
After receiving preparation instruction, data are begun preparing, after being ready to complete, (whether can send out number to wireless receiving end feedback oneself state
According to), and shown by host computer, it is then transmitted by wireless receiving end after sending data command, wireless myoelectricity acquisition module is first
Packet header is sent, detection data source again when wireless receiving end detects packet header, if data source is can to send out the wireless myoelectricity of data
Acquisition module, then make a response, otherwise do not operate.In data transmission procedure, Data Labels data source, order indicates
Destination address.If it is the order sent by wireless receiving end, then wireless myoelectricity acquisition module judgement is to acquire the order of signal,
Or the order that system starts, terminates；Then judged by wireless receiving end if it is the data sent by wireless myoelectricity acquisition module
Data type is data value or value of feedback.Such data protocol significantly increases data transmission efficiency.It verifies and is used as
Judge whether data are correct, is greatly reduced the error rate of data.
Host computer receives the data of disparate modules, after having received the data of a slave, stands by changing destination address
The order for transmitting and receiving data to next slave is carved, realizes the data acquisition of multichannel.
The above are hardware realization functions, can be believed by the myoelectricity of host computer real-time display measured target in software aspects user
Number, and any time period interception and data processing can be carried out to existing test data by host computer.
Utility model device replaces existing wet electrode acquisition used in sports and scientific research to be translated into nanometer
The dry electrode acquisition of needle；It is substantially reduced patch and is defeated by the acquisition of human body surface and the volume of transmitting module makes in collection process substantially
Degree reduces danger coefficient of the sportsman when doing technical movements；Simultaneously to acquisition transmitting module flexibility and water-proofing treatment to reach
The underwater acquisition function that myoelectricity acquisition equipment does not have at present.
The above is clearly and completely described to the technical scheme in the embodiment of the utility model, described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
All other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this reality
With novel protected range.
Claims (5)
1. a kind of sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device, it is characterised in that: including wireless flesh
Electric acquisition module and wireless receiving end；
Wireless myoelectricity acquisition module includes the nonwoven layer (1) positioned at top layer, the flexible circuit board (2) positioned at middle layer and is located at
The glue line (3) of bottom；Data memory module (4), the first radio receiving transmitting module are provided on the top surface of flexible circuit board (2)
(5), amplification/filtering/trap circuit (6), the first central processing unit (7) and power module (8), the bottom surface of flexible circuit board (2)
On be provided with array micro-nano needle electrode (9), the entirety of flexible circuit board (2) is encapsulated by waterproof material；On glue line (3)
The position of face array micro-nano needle electrode (9) offers the through-hole stretched out for array micro-nano needle electrode (9)；Wherein,
Data memory module (4), the first radio receiving transmitting module (5), amplification/filtering/trap circuit (6) respectively with the first central processing unit
(7) it connects, array micro-nano needle electrode (9) is connect with amplification/filtering/trap circuit (6)；
Wireless receiving end includes hard circuit board (10), be mounted on hard circuit board (10) the second radio receiving transmitting module (11),
Second central processing unit (12), TTL turn serial ports (13) and USB interface (14), wherein the second radio receiving transmitting module (11) and second
Central processing unit (12) connection, the second central processing unit (12) turns serial ports (13) with TTL again and connect, TTL turn serial ports (13) again with
USB interface (14) connection.
2. sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device according to claim 1, feature
Be: array micro-nano needle electrode (9) includes graphene-PDMS flexible conductive substrates (9-1), and graphene-PDMS flexibility is led
The top surface of electric substrate (9-1) is designed as pinpoint array structure (9-2), is deposited with Parylene in pinpoint array structure (9-2)
Film (9-3), sputtering on parylene film (9-3) has metal seed layer (9-4), and sputtering on metal seed layer (9-4) has
Metal layer (9-5)；Conductive silver glue-line (9-6) is coated on the bottom surface of graphene-PDMS flexible conductive substrates (9-1).
3. sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device according to claim 2, feature
Be: the length and width dimensions of array micro-nano needle electrode (9) are 1 × 1cm；Graphene-PDMS flexible substrates (9-1) with a thickness of
300-500μm；The spacing of adjacent needle point is 160-240 μm in pinpoint array structure (9-2)；The bottom circular diameter of each needle point is 70
μm, outside diameter circle is 5 μm, is highly 90 μm；Parylene film (9-3) with a thickness of 500nm；Metal seed layer (9-4)
With a thickness of 150nm and its material is titanium；Metal layer (9-5) with a thickness of 20nm and its material is gold；Conductive silver glue-line (9-6)
With a thickness of 500 μm.
4. sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device according to claim 1 to 3,
It is characterized by: nonwoven layer (1) is identical with the form and dimension of glue line (3), non-woven fabrics in wireless myoelectricity acquisition module
The area of layer (1) and glue line (3) is greater than or equal to flexible circuit board (2) area, nonwoven layer (1) and glue line (3)
Flexible circuit board (2) can be covered all；The size of flexible circuit board (2) is the circle of diameter 55mm；Flexible circuit board (2)
Bottom surface on placement there are three array micro-nano needle electrode (9), between three array micro-nano needle electrodes (9) between
Away from for 3cm；Glue line (3) uses Henkel glue, and flexible circuit board (2) uses FPC, and waterproof material uses Parylene.
5. sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device according to claim 1 to 3,
It is characterized by: data memory module (4) uses Microsoft sd card；First central processing unit (7) and the second central processing
Device (12) is all made of Cortex-M3 stm32f103 processor；First radio receiving transmitting module (5) and the second radio receiving transmitting module
(11) it is all made of NRF24L01 chip；Power module (8) is made of lithium battery and ME6211 voltage-stablizer；TTL turns serial ports (13) and adopts
With CH340 chip；Amplification/filtering/trap circuit (6) is by instrument amplifier AD8226 and four road operational amplifier OP4177 structures
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476123.2U CN209048136U (en) | 2018-09-10 | 2018-09-10 | Sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476123.2U CN209048136U (en) | 2018-09-10 | 2018-09-10 | Sticking type wireless multi-channel ultrathin type nanoneedle emg electrode acquisition device |
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| CN209048136U true CN209048136U (en) | 2019-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115349876A (en) * | 2022-09-22 | 2022-11-18 | 北京市神经外科研究所 | Wearable wireless facial myoelectricity collection system and myoelectricity collection system |
-
2018
- 2018-09-10 CN CN201821476123.2U patent/CN209048136U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115349876A (en) * | 2022-09-22 | 2022-11-18 | 北京市神经外科研究所 | Wearable wireless facial myoelectricity collection system and myoelectricity collection system |
| CN115349876B (en) * | 2022-09-22 | 2023-09-15 | 北京市神经外科研究所 | Myoelectricity acquisition system |
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Granted publication date: 20190702 Termination date: 20210910 |