CN214073319U

CN214073319U - Telescopic wearable myoelectric arm ring

Info

Publication number: CN214073319U
Application number: CN202022248206.XU
Authority: CN
Inventors: 厉向东; 吴玥; 耿卫东
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-08-31
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a telescopic wearing formula flesh electricity armlet, including a plurality of collection module, every collection module includes the inside shell that sets up electronic component, wearing formula flesh electricity armlet still includes annular elastic webbing, the elastic webbing includes inside and outside two-layer structure, and the elastic webbing includes the installing zone that a plurality of interval set up, and every installing zone is used for collection module of fixed mounting, the elastic webbing has the omega type deformation district of outside outstanding formation between two adjacent installing zones. The wearable myoelectric arm ring has the advantages that the design of the elastic belt with the inner layer structure and the outer layer structure protects the power line and the signal line and plays a role in attractiveness; reasonable and consistent tension can be kept on the small arms with different horizontal girth; the elastic band hollow part is favorable for air circulation, increases the air permeability of the arm ring, reduces the uncomfortable wearing feeling, enables the device to be worn on most people comfortably and stably, and also contributes to data acquisition. Meanwhile, the myoelectric arm ring is light in weight.

Description

Telescopic wearable myoelectric arm ring

Technical Field

The utility model relates to a wearable electronic equipment technical field especially relates to a telescopic wearing formula flesh electricity armlet.

Background

Surface electromyographic signals (sEMG) are a comprehensive bioelectrical phenomenon produced in the epidermis of the human body by electrical signals conducted through interstitial fluid. The myoelectric arm ring collects surface myoelectric signals to judge the motion states of the shoulder muscles and the hand muscles of the user, and combines a plurality of channel data such as eye movement, voice, expression and the like to conjecture the interaction intention of the user, so that natural, parallel and collaborative man-machine conversation is carried out, and the naturalness and the efficiency of man-machine interaction are improved. Compared with the traditional mode of acquiring deep electromyographic signals by using the plug-in electrode, the method for acquiring the surface electromyographic signals has the advantages of being noninvasive, simple and convenient to operate and the like.

The traditional myoelectric arm ring has a plurality of defects. For example, the company Thalmic Labs, Canada introduced Myo myoelectric arm ring in 2013, which can collect surface muscle electric signals to capture the gesture actions of the user. The existing myoelectric arm ring in the market of Myo and the like exposes a plurality of problems in the aspects of arm ring structure design, user wearing mode, myoelectric signal acquisition reliability and effectiveness, for example, a sensor array and a surrounding support circuit are required to be included, so that larger weight is brought; when in collection, a user is often limited in the range of motion by the wire connected with the electrode, and the collection process is complicated; particularly, the tension of the traditional myoelectric arm ring on the surfaces of the arms of different users is inconsistent, the wearing of the user with the smaller forearm circumference is too loose, the myoelectric signal acquisition is discontinuous, the wearing of the user with the larger forearm circumference is too tight, discomfort is caused, the user is too tight, and the user experience is poor.

In the prior art, there are also some wearable myoelectric arm rings that use elastic connection with each acquisition module, for example, the invention application with publication number CN104586391A discloses a wearable myoelectric arm ring that includes several acquisition modules; the acquisition module comprises positive and negative electromyography acquisition electrodes which are arranged in pairs and a human body heat conduction sheet arranged between the electromyography acquisition electrodes, and the acquisition modules are connected through an elastic bandage containing a data transmission line. According to the technical scheme, the elastic bandage with the data transmission line is used for connecting the adjacent acquisition modules, the requirement on the elastic bandage is high, and the elastic bandage is not easy to replace due to the fact that the elastic bandage is damaged once being damaged and the data transmission line is damaged.

The invention patent application with publication number CN103315737A discloses a wearable multi-channel surface electromyographic signal acquisition arm ring, wherein an arm ring module 6 is a circular ring formed by connecting a plurality of arm ring module plastic shells 7 in pairs through elastic materials, can be worn on the arm and is suitable for users with different forearm thicknesses. The wearable multi-channel surface electromyographic signal acquisition armlet can be formed by connecting the armlet module plastic shells 7 at the two ends of the armlet module 6 by using elastic materials such as rubber bands and the like. In the technical scheme, the plastic shells 7 of the adjacent arm ring modules are connected with each other in pairs by using elastic materials, and the plastic shells 7 of the adjacent arm ring modules are hinged, so that the complexity of the structure is increased, and the power lines, the signal lines and the like of the plastic shells 7 of the adjacent arm ring modules are directly exposed, thereby affecting the overall attractiveness.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the above-mentioned not enough that exists among the prior art, provide a telescopic wearing formula flesh electricity armlet.

The utility model provides a telescopic wearing formula flesh electricity armlet, includes a plurality of collection module, and every collection module includes the inside shell that sets up electronic component, wearing formula flesh electricity armlet still includes annular elastic webbing, the elastic webbing includes two-layer structure inside and outside, and the elastic webbing includes the installing zone that a plurality of interval set up, and every installing zone is used for collection module of fixed mounting, the elastic webbing has outside protruding omega type deformation district that forms between two adjacent installing zones. Wherein the omega-shaped deformation area is formed by the elastic belt protruding outwards.

Preferably, the shell of each acquisition module comprises two halves which are buckled with each other, and mounting openings for the elastic belt to pass through are arranged on the buckling surfaces of the two halves on two sides along the circumferential direction of the elastic belt.

More preferably, the two half shells are provided with mutually matched buckling points and buckling grooves at two sides along the axial direction of the elastic belt. Further preferably, in each housing, one half of the housings have fixing blocks extending into the other half of the housings, the fixing blocks are provided with the fastening points, and the inner side walls of the other half of the housings have the fastening grooves.

More preferably, two first openings for the myoelectricity collecting electrodes to extend out are arranged on one half of the inner side of the wearable myoelectricity arm ring in each shell, and a second opening for the reference electrode to extend out is arranged between the two first openings.

More preferably, the circumferential width of the part of the elastic belt, which is wrapped in the outer shell when the elastic belt is assembled with the outer shell, is larger than the circumferential width of the mounting opening on the outer shell. The design can prevent the shell from sliding along the circumferential direction of the elastic band after being assembled.

Preferably, the inner layer of the elastic band is softer than the outer layer. More preferably, the material of the elastic band may be rubber, silicone or TPU (Thermoplastic polyurethane elastomer). The inner layer and the outer layer of the elastic belt can be made of the same material, but the upper layer and the inner layer are soft in hardness. The tension of the equipment is adjusted by utilizing the double-layer structure with the hard outer layer and the soft inner layer of the elastic belt and the arching part of the elastic belt, so that reasonable and consistent tension can be kept on the small arms with different horizontal girths.

Preferably, the inner layer elastic belt and the outer layer elastic belt are both of a whole structure.

Preferably, the number of acquisition modules is no more than 8 blocks. Generally, 6 to 8 blocks are preferable.

According to the telescopic wearable myoelectric arm ring, due to the design of the elastic belts with the inner layer structure and the outer layer structure, on one hand, the flexible circuits for the power lines and the signal lines are arranged between the acquisition modules, and are clamped between the elastic belts with the two layer structures, so that the power lines, the signal lines and the like are not exposed outside, and the power lines and the signal lines are protected and meanwhile the effect of attractiveness is achieved; on the other hand, the elastic belt adopts a structure with telescopic perimeter and flexible and variable length, an omega-shaped deformation area which is formed by protruding outwards is arranged between two adjacent mounting areas, and reasonable and consistent tension can be kept on the small arms with different horizontal girth; the elastic band hollow part is favorable for air circulation, increases the air permeability of the arm ring, reduces the uncomfortable wearing feeling, enables the device to be worn on most people comfortably and stably, and also contributes to data acquisition. Meanwhile, the myoelectric arm ring is light in weight.

Drawings

Fig. 1 is the side-looking structural schematic diagram of the wearable myoelectric arm ring of the utility model.

Fig. 2 is a schematic view of the three-dimensional structure of the wearable myoelectric arm ring of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure at another viewing angle of the wearable myoelectric armlet of the present invention.

Fig. 4 is a side view of the elastic band.

Fig. 5 is a schematic perspective view of the elastic band.

Fig. 6 is a partial structural view of the elastic band.

Fig. 7 is an exploded view of a portion of the structure of the elastic band.

Fig. 8 is a schematic view of an assembly structure of a single acquisition module and an elastic band.

Fig. 9 is a sectional view taken along a-a in fig. 8.

Fig. 10 is an exploded view of the housing structure of an acquisition module.

Fig. 11 is an exploded view of an alternative angle of the housing structure of an acquisition module.

Fig. 12 is a schematic view of the housing structure of an acquisition module.

Detailed Description

As shown in fig. 1 ~ 12, a telescopic wearing formula flesh electricity armlet, including a plurality of collection module, every collection module includes inside shell 1 that sets up electronic component, the utility model discloses wearing formula flesh electricity armlet still includes annular elastic webbing 2, and elastic webbing 2 includes inside and outside two-layer structure, as shown in fig. 4 ~ 7, the inlayer 21 and the outer 22 of elastic webbing 2 are laminated each other, and inlayer 21 and outer 22 are whole structure integrated into one piece and make. The elastic band 2 comprises a plurality of installation areas 23 arranged at intervals, each installation area 23 is used for fixedly installing one acquisition module, the elastic band 2 is provided with an omega-shaped deformation area 24 which is formed by protruding outwards between two adjacent installation areas 23, the omega-shaped deformation area 24 is formed by protruding outwards at the elastic band 2, and the omega-shaped deformation area 24 formed by the protruding parts can be arc-shaped or polygonal.

The mounting area 23 on the elastic band 2 is a sheet-assembled structure, as shown in fig. 8 to 12, the housing 1 of each acquisition module includes two halves that are fastened to each other, mounting openings 11 for the elastic band 2 to pass through are provided on the fastening surfaces of the two halves of the housing 1 on both sides along the circumferential direction of the elastic band 2, which is equivalent to the two halves of the housing 1 are clamped at the mounting area 23 of the elastic band 2. Two halves shell is equipped with the knot point 13 and the catching groove 14 of mutually supporting in the axial both sides of following elastic webbing 2, wherein, in every shell 1, half of the shell has the fixed block 12 that stretches into in the other half shell, is equipped with knot point 13 on the fixed block 12, and the inside wall of other half shell has catching groove 14. This kind of lock installation and centre gripping are at the mode on elastic webbing 2, not only make the equipment of every shell 1 comparatively convenient, if later stage involve maintenance or change elastic webbing 2 etc. also realize very easily when needing to dismantle.

The flexible circuit for the power line and the signal line exists between the acquisition modules, the flexible circuit is clamped between the elastic belts 2 of the two-layer structure, in addition, an avoiding opening 25 is arranged on the inner layer 21 of the elastic belts 2 and is positioned in the installation area 23, and the area clamped inside by the shell 1 is provided with the avoiding opening 25, and the avoiding opening 25 is used for avoiding the power line and the signal line.

Two first openings 15 for the myoelectricity collecting electrodes to extend out are arranged on the half of the inner side of the wearable myoelectricity arm ring in each shell 1, and a second opening 16 for the reference electrode to extend out is arranged between the two first openings 15. The utility model discloses in do not relate to the improvement to the flesh electricity collecting electrode and the reference electrode itself that are used for signal acquisition, so do not draw electrode structure in the picture, flesh electricity collecting electrode and reference electrode all paste skin on the tight arm and use, wherein flesh electricity collecting electrode is used for gathering surperficial flesh electricity signal, and reference electrode is used for as the reference to suppress the common mode interference as far as possible.

The circumferential width of the elastic band 2 coated in the shell 1 when assembled with the shell 1 is larger than the circumferential width of the mounting opening 11 on the shell 1. The design can prevent the shell 1 from sliding along the circumferential direction of the elastic band 2 after being assembled.

The inner layer of the elastic band 2 is softer than the outer layer. The material of the elastic band 2 may be rubber, silicone or TPU (Thermoplastic Urethane elastomer). The inner layer and the outer layer of the elastic belt 2 can be made of the same material, but the hardness of the inner layer is softer. The tension of the equipment is adjusted by utilizing the double-layer structure of the hard outer layer and the soft inner layer of the elastic belt 2 and the arched part (the omega-shaped deformation area 24) of the elastic belt 2, which is helpful for keeping reasonable and consistent tension on the small arms with different horizontal girths.

The utility model discloses collection module's quantity is for being not more than 8 in the wearing formula flesh electricity armlet, just in time is 8 in the embodiment shown in the figure. Generally, 6 to 8 blocks are preferable.

According to the telescopic wearable myoelectric arm ring, the elastic belt 2 with the inner layer structure and the outer layer structure is designed, on one hand, a flexible circuit for a power line and a signal line is arranged between the acquisition modules, and the flexible circuit is clamped between the elastic belts 2 with the two layers structure, so that the power line and the signal line cannot be exposed outside, and the power line and the signal line are protected and can be attractive; on the other hand, the elastic belt 2 adopts a structure with a telescopic circumference and a flexible and variable length, and an omega-shaped deformation area 24 which is formed by protruding outwards is arranged between two adjacent installation areas 23, so that reasonable and consistent tension can be kept on the small arms with different horizontal girths; the hollow part of the elastic band 2 is beneficial to air circulation, the air permeability of the arm ring is increased, the uncomfortable wearing feeling is reduced, the device can be comfortably and stably worn on most people, and the data acquisition is also facilitated. Meanwhile, the myoelectric arm ring is light in weight.

Claims

1. The utility model provides a telescopic wearing formula flesh electricity armlet, includes a plurality of collection module, and every collection module includes inside electronic component's shell that sets up, its characterized in that, wearing formula flesh electricity armlet still includes annular elastic webbing, elastic webbing includes two-layer structure inside and outside, and elastic webbing includes the installing zone that a plurality of interval set up, and every installing zone is used for collection module of fixed mounting, elastic webbing has the omega type deformation district of outside outstanding formation between two adjacent installing zones.

2. The retractable wearable myoelectric arm ring as claimed in claim 1, wherein the housing of each acquisition module comprises two halves which are fastened with each other, and mounting openings for the elastic belt to pass through are arranged on the fastening surfaces of the two halves along the circumferential direction of the elastic belt.

3. The retractable wearable electromyographic arm ring of claim 2, wherein the two housing halves have mating snap points and snap grooves on opposite sides of the elastic band in the axial direction.

4. The retractable wearable myoelectric arm ring according to claim 3, wherein each of the shells has a fixing block extending into the other shell, the fixing block is provided with the fastening point, and the inner side wall of the other shell is provided with the fastening groove.

5. The retractable wearable myoelectric arm ring according to claim 2, wherein two first openings for the myoelectric collecting electrodes to extend out are arranged on one half of the inner side of the wearable myoelectric arm ring in each shell, and a second opening for the reference electrode to extend out is arranged between the two first openings.

6. The retractable wearable electromyographic arm ring of claim 2, wherein the circumferential width of the portion of the elastic band that wraps around the outer shell when assembled with the outer shell is greater than the circumferential width of the mounting port on the outer shell.

7. The retractable wearable electromyographic arm ring of claim 1, wherein the inner layer of the elastic band is softer than the outer layer.

8. The retractable wearable myoelectric arm ring as claimed in claim 7, wherein the elastic band is made of rubber, silica gel or TPU.

9. The retractable wearable myoelectric arm ring as claimed in claim 1, wherein the inner and outer layers of elastic bands are all of a unitary structure.

10. The retractable wearable electromyographic arm ring of claim 1, wherein the number of acquisition modules is no more than 8.