CN111263528A

CN111263528A - Folding type flexible wearable detection device and manufacturing method thereof

Info

Publication number: CN111263528A
Application number: CN202010149349.7A
Authority: CN
Inventors: 庞博; 里敦; 何卓彪; 田军; 陈义峰; 朱珍珍; 凌忠文
Original assignee: Wuhan United Imaging Zhirong Medical Technology Co Ltd
Current assignee: Wuhan United Imaging Zhirong Medical Technology Co Ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-06-09
Anticipated expiration: 2040-03-05
Also published as: CN113630970B; CN113630970A; CN111263528B

Abstract

The application relates to a manufacturing method of a folding flexible wearable detection device. A flexible substrate is provided. Patterned conductive lines are printed on a flexible substrate. The flexible substrate is trimmed around the patterned wires to form a patterned flexible cable. The patterned flexible cable includes a plurality of curved structures. The bending structure comprises a first extension part, a folding part and a second extension part which are connected in sequence. The extending direction of the first extending portion is a target extending direction. The fold includes a plurality of fold regions divided by a plurality of fold lines. The first folding fixing of the folding region along the folding line changes the extending direction of the second extending portion so that the extending direction of the second extending portion is opposite to the extending direction of the first extending portion. The patterned flexible cable is elongated along a length of the extending direction of the first extending portion. When the detection device with the preset detection area needs to be manufactured, the manufacturing method saves more flexible substrates and reduces manufacturing cost.

Description

Folding type flexible wearable detection device and manufacturing method thereof

Technical Field

The application relates to the technical field of detection, in particular to a foldable flexible wearable detection device and a manufacturing method thereof.

Background

With the rapid development of medical instruments, flexible wearable detection devices become a new solution for physiological monitoring devices. Most flexible wearable sensing devices are flexible but not malleable. The flexible wearable detection device contains a metal wire, and the fracture strain of the metal is about 1%, so the flexible wearable detection device generally has no ductility. The base material of the flexible wearable detection device needs to be cut integrally.

The more detection parts of the flexible wearable electronic detection device, the larger the area, and the larger the area of the substrate material required by the flexible wearable electronic detection device. The larger the area of the substrate material, the higher the raw material cost and the processing cost. Therefore, how to reduce the amount of substrate material required for flexible wearable electronic detection devices is a challenge.

Disclosure of Invention

In view of the above, there is a need to provide a method for manufacturing a foldable flexible wearable detection device, which can solve the problem of how to reduce the amount of substrate material required for the flexible wearable electronic detection device.

A method of making a collapsible, flexible, wearable sensing device, comprising:

s100, providing a flexible substrate.

And S200, printing a patterned lead on the flexible substrate.

S300, cutting the flexible substrate around the patterned conducting wire to form a patterned flexible cable. The patterned flexible cable includes a plurality of curved structures. The bending structure comprises a first extension part, a folding part and a second extension part which are connected in sequence. The extending direction a of the first extending part is a target extending direction. The extending direction a of the first extending part is parallel to or intersected with the extending direction b of the second extending part. The fold includes a plurality of fold regions divided by a plurality of fold lines.

And S400, carrying out primary folding and fixing on the folding area along the folding line to form a primary folding structure. The one-time folding structure changes the extending direction of the second extending part, so that the extending direction a' of the second extending part is opposite to the extending direction a of the first extending part. The patterned flexible cable is elongated along the length of the extending direction a of the first extending portion.

In one embodiment, the first extension, the fold, and the second extension form an L-shaped structure. The extending direction a of the first extending part is perpendicular to the extending direction b of the second extending part. The folding part is of a rectangular structure. The first extension part and the second extension part are respectively connected with two adjacent edges of the rectangular structure in a one-to-one correspondence mode. A diagonal of the rectangular structure is provided with a first folding line. And a second folding line is arranged on the edge where the second extending part is connected. The second fold line is parallel to the extending direction of the first extending portion. A fold region is formed between the first fold line and the second fold line. The step of folding and fixing the folding area along the folding line in S400 includes:

s410, folding along the first folding line to enable the folding area to be attached to the surface of the first extending portion.

And S420, folding the second extending part along the second folding line to enable part of the second extending part to be attached to the surface of the folding area far away from the first extending part.

In one embodiment, the first extension, the fold, and the second extension form a U-shaped structure. The fold is perpendicular to the first extension and the second extension. The folding part is provided with an even number of first folding lines. The first folding line is parallel to the extending direction of the first extending part. And a second folding line is arranged at the boundary of the folding part and the second extending part. The second fold line is perpendicular to an extending direction of the second extending portion. The first fold line and the second fold line divide the folded portion into a plurality of folded regions. The step of folding and fixing the folding area along the folding line in S400 includes:

s401, folding the second extending part along the second folding line so that the surface of the second extending part is attached to the surface of the adjacent folding area.

S402, folding and fixing the two adjacent folding areas along the first folding line between the two folding areas, and attaching the surfaces of the two adjacent folding areas.

In one embodiment, after S400, the method of making the collapsible, flexible, wearable detection device further comprises:

and S500, performing secondary folding on the patterned flexible cable after the primary folding and fixing.

In one embodiment, S500 includes:

and S510, arranging a plurality of folds on the patterned flexible cable after the patterned flexible cable is fixed by primary folding. The plurality of creases segment the patterned flexible cable into a plurality of overlapping regions.

And S520, folding the plurality of overlapping areas along the plurality of creases to form a secondary folding structure. The secondary folding structure shortens the length of the patterned flexible cable.

In one embodiment, S510 includes:

and S511, arranging a plurality of parallel first creases at intervals on the patterned flexible cable after the patterned flexible cable is fixed by the primary folding. The first crease is perpendicular to an elongation direction of the patterned flexible cable. The distance between two adjacent first creases is the same as the width of the patterned flexible cable. Two adjacent first creases form a rectangular area.

And S512, setting a second fold along a group of diagonal lines of the rectangular area. Adjacent ones of the second creases are symmetric about the middle one of the first creases. The second fold divides the rectangular area into two symmetrical overlapping areas. The overlapping area is an isosceles right triangle.

In one embodiment, the step of folding the plurality of overlapping regions along the plurality of creases in S520 is: and folding the two adjacent overlapping areas along the crease clamped by the two adjacent overlapping areas. After folding, the surfaces of two adjacent overlapping areas are jointed.

In one embodiment, the patterned conductive lines are symmetrical about a center line. After S200, the manufacturing method of the foldable flexible wearable detection device further includes:

s210, folding the flexible substrate printed with the wire patterns in half about the center line.

In one embodiment, after S520, the method of manufacturing the foldable flexible wearable detection device further comprises:

and S530, sleeving the region, provided with a plurality of creases, of the patterned flexible cable in a protective cover.

In one embodiment, after S511, the method for manufacturing a foldable flexible wearable detection device further comprises:

and S1, arranging a detachable fixing device at the overlapping area so as to enable the secondary folding structure to be fixed in an extensible folding mode.

In one embodiment, the detachable fixing device is one or more of a snap-like structure, an adhesive, a tape sticker, a double-sided tape, or a conductive silver paste.

In one embodiment, the patterned flexible cable includes a wire region and an electrode region connected to the wire region. The primary folding structure is arranged in the wire guiding area. The electrode area is used for arranging an electrode.

A folded flexible wearable detection device includes a patterned flexible cable. The patterned flexible cable includes a first extension, a primary folding structure, and a second extension.

The primary folding structure is arranged on the surface of one end of the first extension part. The primary folding structure is connected with the first extension part.

The second extension part is arranged on the surface of the primary folding structure far away from the first extension part. The primary folding structure is connected with the second extension part. The extending direction of the first extending part is opposite to the extending direction of the second extending part.

In one embodiment, the primary folding structure includes a plurality of folding regions arranged in a stacked manner, and the plurality of folding regions are connected in series. The fold region proximate the first extension is connected to the first extension. The fold region proximate the second extension is connected to the second extension.

In one embodiment, the folded flexible wearable detection device further comprises a plurality of folds. The plurality of creases divide the patterned flexible cable into a plurality of overlapping regions for forming a secondary folded structure by folding the plurality of overlapping regions along the plurality of creases.

In one embodiment, the plurality of folds includes a plurality of parallel first folds and a plurality of second folds. The plurality of parallel first creases are arranged at intervals on the patterned flexible cable. The distance between two adjacent first creases is the same as the width of the patterned flexible cable. Two adjacent first creases form a rectangular area.

Each second fold is arranged on a group of diagonals of the rectangular area. Adjacent ones of the second creases are symmetric about the middle one of the first creases. The second fold divides the rectangular area into two symmetrical overlapping areas.

In one embodiment, the patterned flexible cable comprises: a patterned flexible substrate and patterned conductive lines. The patterned conducting wire is arranged on the surface of the patterned flexible substrate.

In one embodiment, the patterned conductive lines include a center line, and the patterned conductive lines are symmetric about the center line.

In one embodiment, the collapsible, flexible wearable detection device further comprises a protective cover. The protective cover is used for sleeving the patterned flexible cable where the plurality of creases are located.

In one embodiment, the collapsible, flexible, wearable detection device further comprises a detachable fixation device. The detachable fixing device is arranged in the overlapping area.

In one embodiment, the patterned flex cable includes wire regions and electrode regions. The primary folding structure is arranged in the wire guiding area. The electrode regions are connected with the lead regions. The electrode area is used for arranging an electrode.

The manufacturing method of the folding flexible wearable detection device provided by the embodiment of the application comprises the step of providing a flexible substrate. And printing a patterned lead on the flexible substrate. The flexible substrate is trimmed around the patterned conductor lines to form a patterned flexible cable. The patterned flexible cable includes a plurality of curved structures. The bending structure comprises a first extension part, a folding part and a second extension part which are connected in sequence. The extending direction of the first extending part is a target extending direction. The extending direction of the first extending part is parallel to or intersected with the extending direction of the second extending part. The fold includes a plurality of fold regions divided by a plurality of fold lines. And carrying out primary folding and fixing on the folding area along the folding line to form a primary folding structure. The one-time folding structure changes the extending direction of the second extending part, so that the extending direction of the second extending part is opposite to the extending direction of the first extending part. Thereby the length of the patterned flexible cable along the extending direction of the first extending part is prolonged. Compared with the prior art, the manufacturing method of the foldable flexible wearable detection device has the advantages that the length of the first extension part obtained by the manufacturing method of the foldable flexible wearable detection device is longer, and the detection area of the foldable flexible wearable detection device is larger. Therefore, when the foldable flexible wearable detection device with a preset detection area needs to be manufactured, the manufacturing method of the foldable flexible wearable detection device saves more flexible substrates.

Drawings

Fig. 1 is a schematic diagram of an initial folding effect of the foldable flexible wearable detection device provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a bending structure a of the foldable flexible wearable detection device provided in an embodiment of the present application;

fig. 3 is a schematic diagram of an initial folding process of an a-bend structure of the folded flexible wearable detection device provided in an embodiment of the present application;

fig. 4 is a schematic diagram of an effect of the foldable flexible wearable detection device before initial folding provided in another embodiment of the present application;

fig. 5 is a schematic diagram of an effect of the foldable flexible wearable detection device before initial folding provided in another embodiment of the present application;

fig. 6 is a schematic diagram of a primary folding process of a B-bend structure of the foldable flexible wearable detection device provided in an embodiment of the present application;

fig. 7 is a schematic diagram of a secondary folding effect of the foldable flexible wearable detection device provided in an embodiment of the present application;

fig. 8 is a schematic structural diagram of a C-bend structure of the folded flexible wearable detection device provided in an embodiment of the present application;

fig. 9 is an oblique second side view of a C-bend structure of the folded flexible wearable detection device provided in one embodiment of the present application;

fig. 10 is a schematic diagram of a secondary folding process of a C-bend structure of the folded flexible wearable detection device provided in an embodiment of the present application;

FIG. 11 is a protective cover structure of the folded flexible wearable detection device provided in one embodiment of the present application;

FIG. 12 is an enlarged view of a protective cover structure of the folded flexible wearable detection device provided in one embodiment of the present application;

FIG. 13 is a cut-out of a symmetrical configuration of the folded flexible wearable detection device provided in one embodiment of the present application;

fig. 14 is an oblique side view after partial refolding of the folded flexible wearable detection device provided in one embodiment of the present application.

Reference numerals:

folding flexible wearable detection device 10

Protective cover 110

Detachable fixing device 120

Electrode 130

Patterned flexible cable 20

Flexible substrate 210

Patterned flexible substrate 211

Patterned conductive line 220

Centerline 222

Wire guide area 201

Electrode region 202

Flexure mechanism 30

First extension 40

Folded part 50

One-time folding structure 500

Fold line 510

First folding line 511

A second fold line 512

Fold region 520

Second extension portion 60

Fold 70

First fold 710

Second fold 720

Overlap region 80

Secondary folding structure 90

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the embodiments disclosed below.

The numbering of the components as such, e.g., "first", "second", etc., is used herein for the purpose of describing the objects only, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present application provides a method for manufacturing a foldable flexible wearable detection device 10, including:

s100, providing a flexible substrate 210.

S200, printing a patterned conductive line 220 on the flexible substrate 210.

S300, cutting the flexible substrate 210 around the patterned conductive line 220 to form a patterned flexible cable 20. The patterned flex cable 20 includes a plurality of flexure structures 30. The bending structure 30 includes a first extension portion 40, a folded portion 50, and a second extension portion 60, which are connected in sequence. The extending direction a of the first extending portion 40 is a target extending direction. The extending direction a of the first extending portion 40 is parallel to or intersects with the extending direction b of the second extending portion 60. The fold 50 includes a plurality of fold regions 520 divided by a plurality of fold lines 510.

And S400, performing primary folding fixing on the folding area 520 along the folding line 510 to form a primary folding structure 500. The one-time folding structure 500 changes the extending direction of the second extending portion 60 such that the extending direction a' of the second extending portion 60 is opposite to the extending direction a of the first extending portion 40. The patterned flexible cable 20 is elongated along the length of the extending direction a of the first extending portion 40.

The manufacturing method of the foldable flexible wearable detection device 10 increases the length of the flexible cable by folding the extension portions of the plurality of bending structures 30 in different directions to the same extension direction. Compared to the prior art, the manufacturing method of the foldable flexible wearable detection device 10 has a longer length of the first extension 40 and a larger detectable area of the foldable flexible wearable detection device 10 compared to the same area of the flexible substrate 210. Therefore, when the foldable flexible wearable detection device 10 with a predetermined detection area needs to be manufactured, the manufacturing method of the foldable flexible wearable detection device 10 of the present application saves more flexible substrate 210, and reduces manufacturing cost.

In one embodiment, the flexible substrate 210 is not stretchable. Therefore, compared with the conventional stretchable electronic device, the patterned wires 220 formed by the manufacturing method of the foldable flexible wearable detection device 10 are not strained, so that the change of metal resistance caused by pulling force is avoided, and the detection sensitivity of the foldable flexible wearable detection device 10 is improved.

In one embodiment, the flexible substrate 210 is made of polymer with a thickness of 10 μm to 100 μm, and the length of the flexible substrate 210 is several tens of centimeters or more. The flexible substrate 210 includes: one or more of polyethylene glycol terephthalate (PET), Polyimide (PI), Polydimethylsiloxane (PDMS), Polyurethane (PU), Parylene (Parylene), Ecoflex or medical adhesive tape. The flexible substrate 210 also has skin-friendly properties.

In one embodiment, the patterned wire 220 includes a plurality of bends. The plurality of bent portions corresponds one-to-one to the plurality of bent structures 30.

In one embodiment, the patterned conductive lines 220 are metal thin film structures of micron or even nanometer scale fabricated by photolithography or printing processes. The metal includes Ag paste.

In one embodiment, after the step of cutting the flexible substrate 210 around the patterned wires 220 in S300, the method for manufacturing the foldable flexible wearable detection device 10 further includes:

the cut patterned flexible cable 20 is encapsulated.

In one embodiment, the encapsulation process encapsulates the cut patterned flex cable 20 with a flexible material. The flexible material has insulation properties. The flexible material comprises PET or PI. The flexible material prevents the folding area 520 from shorting out during folding of the patterned flexible cable 20.

Referring to fig. 4 and 5, in one embodiment, the curved structure 30 is L-shaped, U-shaped, or other irregular shape. The shape of the collapsible, flexible, wearable detection device 10 varies due to the different format, shape, or location of the flexure mechanism 30.

In one embodiment, the first extension 40, the fold 50, and the second extension 60 form an L-shaped structure. The extending direction a of the first extending portion 40 is perpendicular to the extending direction b of the second extending portion 60. The folded portion 50 has a rectangular structure. The first extension portion 40 and the second extension portion 60 are respectively connected with two adjacent sides of the rectangular structure in a one-to-one correspondence manner. A diagonal of the rectangular structure is provided with a first folding line 511. The joint edge of the second extending portion 60 is provided with a second folding line 512. The second folding line 512 is parallel to the extending direction of the first extending portion 40. A fold region 520 is formed between the first fold line 511 and the second fold line 512. The step of folding and fixing the folding region 520 along the folding line 510 in S400 includes:

s410, folding along the first folding line 511 to make the folding region 520 fit to the surface of the first extending portion 40.

S420, folding the second extending portion 60 along the second folding line 512, so that a portion of the second extending portion 60 fits on the surface of the folding region 520 away from the first extending portion 40.

Referring also to fig. 6, in one embodiment, the first extension portion 40, the folded portion 50 and the second extension portion 60 form a U-shaped structure. The folded portion 50 is perpendicular to the first extension 40 and the second extension 60. The folded portion 50 is provided with a plurality of first folding lines 511. The first folding line 511 is parallel to the extending direction of the first extending portion 40. A second folding line 512 is provided at the boundary of the folded portion 50 and the second extending portion 60. The second folding line 512 is perpendicular to the extending direction b of the second extending portion 60. The first folding line 511 and the second folding line 512 divide the folded portion 50 into a plurality of folded regions 520. The step of folding and fixing the folding region 520 along the folding line 510 in S400 includes:

s401, the second extending portion 60 is folded along the second folding line 512, so that the surface of the second extending portion 60 is attached to the surface of the adjacent folding region 520.

S402, folding and fixing two adjacent folding regions 520 along the first folding line 511 between the two folding regions 520, and attaching the surfaces of the two adjacent folding regions 520.

In one embodiment, the plurality of folding regions 520 includes a first folding region 521 adjacent to the second extension portion 60 and a second folding region 522 adjacent to the first folding region 521. The step of folding and fixing the folding area 520 along the folding line 510 includes:

the second extension portion 60 is folded along the second folding line 512 so that the surface of the second extension portion 60 is attached to the surface of the first folding area 521.

The first folding line 511 is folded to make the surface of the first folding area 521 away from the second extending part 60 fit to the second folding area 522.

And folding again to make the surface of the second folding area 522 away from the first folding area 521 adhere to the surface of the first extending portion 40, so that the extending direction a' of the second extending portion 60 is opposite to the extending direction a of the first extending portion 40.

Referring to fig. 7, 8, 9 and 10, in an embodiment, after S400, the method for manufacturing the foldable flexible wearable detection device 10 further includes:

and S500, performing secondary folding on the patterned flexible cable 20 fixed by the primary folding.

The secondary folding operation of the patterned flexible cable 20 is repeatable so that a user of the folded flexible wearable sensing device 10 can adjust the local length of the patterned flexible cable 20 as desired. The size adjustability of the foldable flexible wearable detection device 10 enlarges the range of people who can use the same device.

When the patterned flexible cable 20 is made of a non-stretchable material, the secondary folding of the patterned flexible cable 20 allows the foldable flexible wearable sensing device 10 to be adjustable in length for use by different sizes of users.

In one embodiment, S500 includes:

s510, the patterned flexible cable 20 after the first folding fixing is provided with a plurality of creases 70. The plurality of creases 70 divide the patterned flexible cable 20 into a plurality of overlapping regions 80. The fold 70 facilitates repeated folding and unfolding in use.

The shape of the overlap region 80 includes one or more of a rectangle, a square, a triangle, or other irregular figure.

S520, folding the plurality of overlapping regions 80 along the plurality of creases 70 to form a secondary folded structure 90. The secondary folding structure 90 shortens the length of the patterned flex cable 20. The shortened patterned flexible cable 20 reduces the overall length of the collapsible, flexible wearable sensing device 10 for storage.

The secondary folding structure 90 is not limited to the position where the patterned flexible cable 20 is disposed.

In one embodiment, the secondary folding structure 90 is formed in the area where the first folding structure 500 is located.

In one embodiment, the secondary folding structure 90 is disposed to avoid the area where the first folding structure 500 is located. In one embodiment, S510 includes:

s511, a plurality of parallel first creases 710 are spaced from the patterned flexible cable 20 after the primary folding and fixing. The first fold 710 is perpendicular to the extending direction of the patterned flexible cable 20. The distance between two adjacent first creases 710 is the same as the width of the patterned flexible cable 20. Two adjacent first creases 710 form a rectangular area.

And S512, arranging a second crease 720 along a group of diagonal lines of the rectangular area. The adjacent second creases 720 are symmetrical with respect to the middle first crease 710. The second fold 720 divides the rectangular area into two symmetrical overlapping areas 80. The overlap region 80 is an isosceles right triangle.

In one embodiment, the step of folding the plurality of overlapping regions 80 along the plurality of creases 70 in S520 is: two adjacent overlapping areas 80 are folded along the crease 70 where the center line of symmetry 222 is located. The surfaces of two adjacent folded overlapping regions 80 are attached.

In one embodiment, the patterned wire 220 is symmetrical about a centerline 222. After S200, the manufacturing method of the foldable flexible wearable detection device 10 further includes:

referring to fig. 11 and S210 together, the flexible substrate 210 printed with the conductor pattern is folded in half with respect to the center line 222, so that the process cutting length is reduced, and the manufacturing time is saved.

Referring to fig. 12 and 13 together, in an embodiment, after S520, the method for manufacturing the foldable flexible wearable detection device 10 further includes:

s530, the region of the patterned flexible cable 20 provided with the plurality of creases 70 is covered in the protective cover 110.

In one embodiment, after S511, the method of manufacturing the collapsible, flexible, wearable detection device 10 further comprises:

s1, a removable fastening device 120 is disposed at the overlapping region 80 to provide an extensible folding fastening of the secondary folded structure 90.

The removable fixture 120 is configured to removably secure the overlap region 80 between adjacent layers.

In one embodiment, the detachable fixing device 120 is one or more of a vertical buckle-like structure, an easily-pulled weak-adhesion adhesive, a disposable tape sticker, a double-sided adhesive tape, or a conductive silver paste.

In one embodiment, the patterned flexible cable 20 includes a wire guide region 201 and an electrode region 202 connected to the wire guide region 201. The primary folding structure 500 is disposed in the wire guiding region 201. The electrode region 202 is used to dispose the electrode 130.

Referring also to fig. 14, an embodiment of the present application provides a collapsible, flexible, wearable sensing device 10 that includes a patterned flex cable 20. The patterned flexible cable 20 includes a first extension 40, a primary folding structure 500, and a second extension 60. The one-time folding structure 500 is disposed on a surface of one end of the first extension portion 40. The one-time folding structure 500 is connected to the first extension portion 40. The second extension portion 60 is disposed on the surface of the primary folding structure 500 away from the first extension portion 40. The primary folding structure 500 is connected to the second extension portion 60. The extending direction of the first extending portion 40 is opposite to the extending direction of the second extending portion 60.

The present embodiment provides that the one-time folding structure 500 in the foldable flexible wearable detection device 10 changes the extending direction of the second extension 60, such that the extending direction a' of the second extension 60 is opposite to the extending direction a of the first extension 40. The patterned flexible cable 20 is elongated along the length of the extending direction a of the first extending portion 40.

In one embodiment, the primary folding structure 500 includes a plurality of folding regions 520 stacked one on another, and the plurality of folding regions 520 are sequentially connected. The folded region 520 adjacent to the first extension 40 is connected to the first extension 40. The fold region 520 adjacent the second extension 60 is connected to the second extension 60.

In one embodiment, the collapsible, flexible wearable detection device 10 further comprises a plurality of folds 70. The plurality of creases 70 divide the patterned flexible cable 20 into a plurality of overlapping regions 80 for forming a secondary folded structure 90 by folding the plurality of overlapping regions 80 along the plurality of creases 70.

The secondary folding operation of the patterned flexible cable 20 is repeatable so that a user of the folded flexible wearable sensing device 10 can adjust the local length of the patterned flexible cable 20 as desired. The size adjustability of the foldable flexible wearable detection device 10 enlarges the range of people who can use the same device. The secondary folding structure 90 shortens the length of the patterned flex cable 20. The shortened patterned flexible cable 20 reduces the overall length of the collapsible, flexible wearable sensing device 10 for storage.

The secondary folding structure 90 is not limited to the position where the patterned flexible cable (20) is disposed.

In one embodiment, the secondary folding structure 90 is disposed to avoid the area where the first folding structure 500 is located.

In one embodiment, the plurality of creases 70 includes a plurality of parallel first creases 710 and a plurality of second creases 720. The plurality of parallel first creases 710 are disposed at intervals on the patterned flexible cable 20. The distance between two adjacent first creases 710 is the same as the width of the patterned flexible cable 20. Two adjacent first creases 710 form a rectangular area.

Each of the second folds 720 is disposed on a set of diagonal lines of the rectangular area. The adjacent second creases 720 are symmetrical with respect to the middle first crease 710. The second fold 720 divides the rectangular area into two symmetrical overlapping areas 80.

In one embodiment, the patterned flexible cable 20 includes a patterned flexible substrate 211 and patterned conductive lines 220. The patterned conductive lines 220 are disposed on the surface of the patterned flexible substrate 211. In one embodiment, the patterned wire 220 includes a plurality of bends. The plurality of bent portions corresponds one-to-one to the plurality of bent structures 30.

In one embodiment, the patterned wire 220 includes a center line 222, and the patterned wire 220 is symmetrical about the center line 222, facilitating symmetrical folding and cutting to reduce the cut length.

In one embodiment, the collapsible, flexible wearable detection device 10 further includes a protective cover 110. The protective cover 110 is used for covering the patterned flexible cable 20 where the plurality of creases 70 are located, protecting the patterned flexible cable 20, and enhancing the aesthetic degree.

In one embodiment, the collapsible, flexible, wearable detection device 10 further comprises a removable fixture 120. The detachable fixing device 120 is disposed at the overlapping region 80, so as to be easily detached and fixed for adjusting the length of the patterned flexible cable 20.

In one embodiment, the patterned flex cable 20 includes a conductor region 201 and an electrode region 202. The primary folding structure 500 is disposed in the wire guiding region 201. The electrode regions 202 are connected to the lead regions 201. The electrode region 202 is used to dispose the electrode 130.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A manufacturing method of a folding flexible wearable detection device is characterized by comprising the following steps:

s100, providing a flexible substrate (210);

s200, printing a patterned lead (220) on the flexible substrate (210);

s300, cutting the flexible substrate (210) around the patterned conducting wire (220) to form a patterned flexible cable (20), wherein the patterned flexible cable (20) comprises a plurality of bending structures (30), each bending structure (30) comprises a first extending portion (40), a folding portion (50) and a second extending portion (60) which are sequentially connected, the extending direction of the first extending portion (40) is a target extending direction, the extending direction of the first extending portion (40) is parallel to or intersects with the extending direction of the second extending portion (60), and the folding portion (50) comprises a plurality of folding areas (520) divided by a plurality of folding lines (510);

s400, performing primary folding fixing on the folding area (520) along the folding line (510) to form a primary folding structure (500), wherein the primary folding structure (500) changes the extending direction of the second extending part (60) to enable the extending direction of the second extending part (60) to be opposite to the extending direction of the first extending part (40), and the length of the patterned flexible cable (20) along the extending direction of the first extending part (40) is prolonged.

2. The method of claim 1, wherein the first extension portion (40), the folding portion (50), and the second extension portion (60) form an L-shaped structure, the first extension portion (40) extends in a direction perpendicular to the second extension portion (60), the folding portion (50) is a rectangular structure, the first extension portion (40) and the second extension portion (60) are respectively connected to two adjacent sides of the rectangular structure in a one-to-one correspondence, a diagonal of the rectangular structure is provided with a first folding line (511), a side where the second extension portion (60) meets is provided with a second folding line (512), the second folding line (512) is parallel to the extending direction of the first extension portion (40), and a folding area (520) is formed between the first folding line (511) and the second folding line (512), the step of folding and fixing the folding area (520) along the folding line (510) in S400 includes:

s410, folding along the first folding line (511) to enable the folding area (520) to be attached to the surface of the first extending part (40);

s420, folding the second extending part (60) along the second folding line (512) to enable part of the second extending part (60) to be attached to the surface, away from the first extending part (40), of the folding area (520).

3. The method of making a folded flexible wearable detection device according to claim 1, wherein the first extension portion (40), the fold portion (50), and the second extension portion (60) form a U-shaped structure, the fold portion (50) is perpendicular to the first extension portion (40) and the second extension portion (60), the fold portion (50) is provided with a plurality of first fold lines (511), the first fold lines (511) are parallel to an extension direction of the first extension portion (40), a second fold line (512) is provided at a boundary of the fold portion (50) and the second extension portion (60), the second fold line (512) is perpendicular to an extension direction of the second extension portion (60), the first fold line (511) and the second fold line (512) divide the fold portion (50) into a plurality of fold regions (520), the step of folding and fixing the folding area (520) along the folding line (510) in S400 includes:

s401, folding the second extending part (60) along the second folding line (512) so as to enable the surface of the second extending part (60) to be attached to the surface of the adjacent folding area (520);

s402, folding and fixing two adjacent folding regions (520) along the first folding line (511) between the two folding regions (520), and attaching the surfaces of the two adjacent folding regions (520).

4. The method of making a folded flexible wearable sensing device according to claim 1, further comprising after S400:

and S500, carrying out secondary folding on the patterned flexible cable (20) fixed by primary folding.

5. The method of making a collapsible, flexible wearable sensing device according to claim 4, wherein S500 comprises:

s510, arranging a plurality of creases (70) on the patterned flexible cable (20) after the primary folding and fixing, wherein the creases (70) divide the patterned flexible cable (20) into a plurality of overlapping areas (80);

s520, folding the plurality of overlapping areas (80) along the plurality of creases (70) to form a secondary folding structure (90), wherein the secondary folding structure (90) shortens the length of the patterned flexible cable (20).

6. The method of making a collapsible, flexible wearable sensing device of claim 5, wherein S510 comprises:

s511, a plurality of parallel first creases (710) are arranged at intervals on the patterned flexible cable (20) after the patterned flexible cable (20) is fixed by first folding, the first creases (710) are perpendicular to the extending direction of the patterned flexible cable (20), the distance between every two adjacent first creases (710) is the same as the width of the patterned flexible cable (20), and every two adjacent first creases (710) form a rectangular area;

s512, set up second crease (720) along a set of diagonal of rectangle region, adjacent second crease (720) are about the centre first crease (710) symmetry, second crease (720) will rectangle region divides into two symmetries overlap region (80), overlap region (80) are isosceles right triangle.

7. The method of manufacturing a collapsible, flexible wearable sensing device according to claim 6, wherein the step of folding a plurality of said overlapping regions (80) along a plurality of said creases (70) in S520 is: and folding the two adjacent overlapping areas (80) along the crease (70) clamped by the two adjacent overlapping areas (80), and attaching the surfaces of the two adjacent overlapping areas (80) after folding.

8. The method of making a folded flexible wearable sensing device according to claim 1, wherein the patterned wire (220) is symmetric about a centerline (222), and further comprising, after S200:

s210, folding the flexible substrate (210) printed with the lead pattern in half about the central line (222).

9. The method of making a collapsible, flexible wearable sensing device of claim 5, further comprising, after S520:

and S530, sleeving the region, provided with the plurality of creases (70), of the patterned flexible cable (20) in a protective cover (110).

10. The method of making a collapsible, flexible wearable sensing device according to claim 6, further comprising, after S511:

s1, a detachable fixing device (120) is arranged at the overlapping area (80) to make the secondary folding structure (90) be fixed in an extensible folding way.

11. The method of manufacturing a collapsible, flexible wearable sensing device according to claim 10, wherein the detachable fastening device (120) is one or more of a snap-like structure, an adhesive, a tape sticker, a double sided tape, or a conductive silver paste.

12. The method of making a collapsible, flexible wearable sensing device according to claim 1, wherein the patterned flex cable (20) comprises a wire area (201) and electrode areas (202) connected to the wire area (201), the one-time folded structure (500) is disposed in the wire area (201), and the electrode areas (202) are used for disposing electrodes (130).

13. A collapsible, flexible, wearable detection device, comprising a patterned flexible cable (20), the patterned flexible cable (20) comprising:

a first extension (40);

a primary folding structure (500) disposed on a surface of one end of the first extension portion (40), wherein the primary folding structure (500) is connected to the first extension portion (40);

and the second extension part (60) is arranged on the surface of the primary folding structure (500) far away from the first extension part (40), the primary folding structure (500) is connected with the second extension part (60), and the extension direction of the first extension part (40) is opposite to the extension direction of the second extension part (60).

14. The folded flexible wearable detection device according to claim 13, wherein the primary folding structure (500) comprises a plurality of folding regions (520) arranged in a stack, and wherein the plurality of folding regions (520) are connected in series, the folding region (520) proximate to the first extension (40) being connected to the first extension (40), and the folding region (520) proximate to the second extension (60) being connected to the second extension (60).

15. The folded flexible wearable detection device of claim 13, further comprising:

a plurality of creases (70), the plurality of creases (70) dividing the patterned flexible cable (20) into a plurality of overlapping regions (80), for forming a secondary folded structure (90) by folding the plurality of overlapping regions (80) along the plurality of creases (70).

16. The folded flexible wearable detection device according to claim 15, wherein the plurality of folds (70) comprises:

a plurality of parallel first creases (710), wherein the plurality of parallel first creases (710) are arranged on the patterned flexible cable (20) at intervals, the distance between two adjacent first creases (710) is the same as the width of the patterned flexible cable (20), and two adjacent first creases (710) form a rectangular area;

a plurality of second creases (720), each second crease (720) is arranged on a group of diagonal lines of the rectangular area, the adjacent second creases (720) are symmetrical about the middle first crease (710), and the rectangular area is divided into two symmetrical overlapping areas (80) by the second creases (720).

17. The folded flexible wearable detection device according to claim 13, wherein the patterned flexible cable (20) comprises:

patterning a flexible substrate (211);

and the patterned conducting wire (220) is arranged on the surface of the patterned flexible substrate (211).

18. The folded flexible wearable detection device according to claim 17, wherein the patterned wire (220) includes a centerline (222), and wherein the patterned wire (220) is symmetric about the centerline (222).

19. The folded flexible wearable detection device of claim 15, further comprising:

the protective cover (110) is used for sleeving the patterned flexible cable (20) where the plurality of creases (70) are located.

20. The folded flexible wearable detection device of claim 16, further comprising:

a removable fixing device (120) disposed in the overlapping region (80).

21. The folded flexible wearable detection device according to claim 13, wherein the patterned flexible cable (20) comprises:

the wire area (201), the one-time folding structure (500) is arranged on the wire area (201);

electrode regions (202) connected to the lead regions (201), the electrode regions (202) being used for arranging electrodes (130).