TWI564446B - A wearable cloth device that integrates power generation and storage functions - Google Patents

Description

Wearable cloth device integrating power generation and storage function

The present invention relates to a device, and more particularly to a wearable fabric device that integrates power generation and storage functions.

At present, the flexible substrate is applied to the development of bendable photoelectric and electronic components, and almost all of them are made of a polymer material as a substrate, but a metal or indium tin oxide (ITO) conductive film is used as a conductive material. Or the production of electrodes, the tolerance of bending is limited, and it is not easy to be directly integrated into clothing for application. Therefore, there are materials such as nano silver, carbon nanotubes and graphene, which are intended to achieve high conductivity and The effect of high bending, but the complexity and cost of the process, it is still difficult to achieve the goal of industrial production.

In addition, with the flexible substrate and the conductive electrode material, it is also possible to realize a light and thin "wearable device". In addition to the smart watches and glasses, the electronic device is embedded or integrated into clothes and other clothing. Among them, it becomes a clothing application with special electronic functions, such as a collar or a coat with a body lift, a helmet with a headset, clothes with a wiring device and control buttons, and a garment with LED light function.

However, to truly demonstrate the spirit of wearable devices, fabrics should be used as substrates to develop wearable electronic products that are directly integrated into clothing, and even achieve washable targets, which can create more application value.

However, most of the traditional textile materials are electrical insulators or the conductivity is relatively low, so the development of conductive fibers is the basic technology for the development of conductive textiles for wearable electronic components. The key point is the electrical quality, while the conductive fibers and The development of textile technology is still in its infancy.

In fact, although there have been research examples of woven conductive fabrics applied to frictional electrical appliances, there have been no examples of using fabrics to make supercapacitors for substrates, let alone integrating them into clothing applications.

Therefore, the present inventors have been working on the design and development of products for many years, as well as actively researching and developing ideas, and through numerous practical tests and experiments, the present invention has been produced.

The object of the present invention is to provide a wearable distributing device that integrates power generation and storage functions, which can be applied to clothes, shoes, and the like, and the frictional electrification device uses a cloth as a substrate and applies a modified liquid metal conductive material. In order to form the electrode cloth, electric energy can be generated, and the generated electric energy is stored in the electric storage unit.

It is particularly emphasized that the present invention does not use a woven conductive cloth and is more convenient to manufacture.

In order to achieve the above object, the present invention comprises a friction generator, an electric storage unit, wherein the triboelectric generator comprises a first cloth, a second cloth, at least one spacer, the first cloth, the first a cloth coating modified liquid metal conductive material forms a positive and negative electrode of the friction generator, the spacer is coupled between the first cloth and the second cloth to form a spacing between the positive and negative electrodes of the friction device, the first The fabric and the second fabric are sewn; the electric storage unit is electrically connected to the friction electric device, and the electric storage unit comprises a third fabric, a fourth fabric, and a separator, and the third fabric and the fourth fabric are coated and modified. The liquid metal conductive material forms a positive and negative electrode of the electric storage unit, and a porous material mixed with a solid electrolyte is coated on the surface of the positive and negative electrode conductive layer of the electric storage unit, and the separation film is disposed between the third cloth and the fourth cloth to form Sandwich structure.

It can be applied to clothes, shoes, etc., and the frictional electric appliance is deformed along with the movement of the human body. The frictional electric appliance will frictionally induce the electric charge between the positive and negative electrodes, and the mechanical energy of the deformation is converted into electric energy, and the generated electric energy is stored in The electric storage unit has the characteristics of large bending angle, high flexibility and washing resistance.

The beneficial effects of the invention are: a charger for portable electronic products, providing electrical energy for sensing components and heaters on smart clothes, for health care monitoring of elderly or patients, patient travel, posture measurement The power supply of the sensing element such as the physiological signal.

The following is only a detailed description of the embodiments, and the detailed description of the various features and features of the present invention will be made.

Referring to FIGS. 1 , 8 , and 9 , the present invention includes a friction generator 10 and a power storage unit 20 . This will be explained in detail below:

The triboelectric generator 10 includes a first cloth 11, a second cloth 12, and a plurality of spacers 13. The inner layer of at least one of the first cloth 11 and the second cloth 12 can be sewn or woven. The protrusion 14 or the grain to increase the friction-induced electrification effect of the first cloth 11 and the second cloth 12, in the embodiment, the inner layer of the first cloth 11 is provided with a protrusion 14; the first The cloth 11 and the outer layer of the second cloth 12 are coated with the modified liquid metal conductive materials 111 and 121 to form positive and negative electrodes of the friction generator 10; the first cloth 11 and the modified liquid metal conductive materials 111 and 121 of the second cloth 12 are The outer layer is further coated with a protective layer 112, 122. The protective layer 112, 122 may be selected from a silicone-based protective layer to prevent the modified liquid metal material 111, 121 from leaking into the first cloth 11 and the second cloth 12. The spacer 13 is coupled between the first cloth 11 and the second cloth 12 to form a space between the positive and negative electrodes of the friction device 10. The first cloth 11 and the second cloth 12 are stitched.

The power storage unit 20 is electrically connected to the friction generator 10, and the power storage unit 20 includes a third cloth 21, a fourth cloth 22, and a separator 23, and the third cloth 21 and the fourth cloth 22 are coated on the inner layer. The modified liquid metal conductive materials 211 and 221 form the positive and negative electrodes of the electric storage unit 20, and the outer layers of the third cloth 21 and the fourth cloth 22 are coated with protective layers 212 and 222, and the protective layers 212 and 222 may be selected from silicone rubber. a porous material 24 mixed with a solid electrolyte is applied to the surface of the positive and negative electrode conductive layers of the power storage unit 20, and the separator 23 is disposed between the third cloth 21 and the fourth cloth 22 to form a sandwich structure, thereby avoiding The short circuit phenomenon between the positive and negative electrodes of the electric storage unit 20.

The power storage unit 20 is configured to form a supercapacitor of a cloth, which is a component between the battery and the capacitor, and can store the electric charge like the battery, and actually tests the charging and discharging speed more than 100 times faster than the battery.

In one embodiment, the spacer 13 is selected from one of a cloth, a polymer, a sponge, and the like; the spacer 13 is bonded to the first cloth 11 and the second cloth by a combination of stitching, pasting, or the like. Between 12, used to form the mm-level spacing between the positive and negative electrodes of the triboelectric device 10.

In one embodiment, the porous material 24 is one of carbon fiber, carbon nanotube, activated carbon, graphene, and the like.

In one embodiment, one of the first cloth 11 and the second cloth 12 is a partial positive material, and the other one is a partial negative material.

The above is a description of the composition of the present invention, and then the various components of the present invention and the composition thereof are introduced, and then the use embodiments, features, and benefits of the present invention are introduced as follows:

Referring to FIG. 2 to FIG. 7 and FIG. 10 and FIG. 11 , the present invention can be applied to clothes, shoes, and the like, and the friction electric appliance 10 is deformed by the movement of the human body, and the friction electric appliance 10 is first. The positive and negative electrodes formed by the cloth 11 and the second cloth 12 are frictionally induced to generate electric charges, and the deformed mechanical energy is converted into electric energy, and the generated electric energy is stored in the electric storage unit 20, and has a large bending angle and high flexibility. And the characteristics of washing resistance.

The beneficial effects of the invention are: a charger for portable electronic products, providing electrical energy for sensing components and heaters on smart clothes, for health care monitoring of elderly or patients, patient travel, posture measurement The power supply of the sensing element such as the physiological signal.

Referring to Fig. 2, since the charge has not yet induced the liquid metal materials 111, 121, no voltage is generated.

Please refer to Figure 3, where the charge is output and the voltage is positive.

Please refer to Figure 4, the upper and lower charge balance, no excess charge output, so the voltage is zero.

Referring to Fig. 5, when the present invention is re-bent, the upper and lower charges cannot be balanced, resulting in charge output, but the current is opposite in direction, so the voltage is negative.

Further, the present invention utilizes a cloth material and a conductive material to form a high-angle bent electrode, and further comprises a fabric friction generator and a supercapacitor, and the two are integrated and applied to make use. Clothing and shoes can achieve the function of generating electricity and storing electricity, and the finished friction generator and super capacitor are like cloth, which can be folded, smashed and cleaned at will.

When the cloth friction electric appliance and the super capacitor are combined with ordinary clothes, it is like putting a battery on the clothes, letting the clothes have a power source, or directly forming a part of the backpack and the shoes, so that the backpack becomes the center of the portable power. Another most obvious use is the combination of LEDs to increase the ability to shine on clothing and shoes. In addition to cool, the main application is road safety and anti-smashing at night. In addition, it can combine vital signs and GPS signals, respiratory and body temperature and other vital signs sensing functions, and upload sensory data to the cloud for health care or home care, allowing doctors to monitor and track seniors 24 hours a day, remotely. The health of the patient and the baby/child.

Of course, it can also be used for leisure and entertainment, monitoring the wearer's heartbeat, body temperature, body movements, and can be transmitted to smart phones, allowing the wearer to self-test the physical health, or as a personal fitness coach, to instantly monitor the physiological state of exercise. To achieve the best exercise results. If the above functions are combined with smart phones to do information, it can achieve navigation, voice control, entertainment and other effects. For example, use a mobile phone to control the LED lights on clothes, and to combine iPods with clothes.

In summary, the fabric components of the friction generator 10 and the power storage unit 20 of the present invention are integrated into the clothes, and can be applied to a charger of a portable electronic product, providing a sensing component or a heater on a smart clothes (warm , the electrical energy that promotes peripheral blood circulation, and the power supply for sensing components of remote health care monitoring (dynamic electrocardiogram (ECG), patient's whereabouts, posture measurement, physiological signals, etc.) for elderly or chronically ill patients, or The friction electric appliance 10 is combined with the insole, and electric energy can be generated by the friction of the insole when walking, and stored in the electric storage unit 20, and then applied to the sole to heat and warm, promote blood circulation of the sole, or dehumidify and deodorize the inside of the shoe. Therefore, the fabric elements of the cloth friction electric device 10 and the electric storage unit 20 of the present invention can be easily integrated into the clothes, which makes the wear-through components easier to realize and creates more application value.

Referring to FIG. 10 and FIG. 11 , in an embodiment, the friction generator 10 and the power storage unit 20 are connected by a bridge unit 30 for the friction generator 10 and the single unit for generating power in two directions. The power storage unit 20 that stores the positive and negative electrodes is integrated, and then supplies power to the charging or sensing element of the appliance.

The above embodiments of the present invention are provided for convenience of explanation only. When the meaning of the case cannot be limited, the various transformation designs according to the scope of the listed patent application should be included in the patent scope of the present application.

10‧‧‧ Friction Electric
11‧‧‧First cloth
12‧‧‧Second cloth
111, 121‧‧‧Modified liquid metal conductive materials
112, 122‧‧ ‧ protective layer
13‧‧‧ spacers
14‧‧‧Protruding
20‧‧‧Power storage unit
21‧‧‧ Third Cloth
22‧‧‧fourth cloth
211, 221‧‧ ‧ modified liquid metal conductive materials
212, 222‧‧‧ protective layer
23‧‧‧Separator
24‧‧‧Porous materials
30‧‧‧Bridge unit

Figure 1 is a cross-sectional view of a friction generator of the present invention. Fig. 2 is a schematic view 1 showing the electrical energy generated by the friction generator of the present invention. Figure 3 is a schematic view 2 showing the electrical energy generated by the friction generator of the present invention. Fig. 4 is a schematic view 3 showing the electric power generated by the friction generator of the present invention. Fig. 5 is a schematic view 4 showing the electric power generated by the friction generator of the present invention. Figure 6 is a schematic view 5 showing the electrical energy generated by the friction generator of the present invention. Figure 7 is a schematic view 6 showing the electrical energy generated by the friction generator of the present invention. Figure 8 is a cross-sectional view showing the electricity storage unit of the present invention. Fig. 9 is a schematic sectional view showing the combination of the friction generator and the electric storage unit of the present invention. Fig. 10 is a view showing an embodiment of use of the electric storage unit of the present invention. Fig. 11 is a view showing an embodiment of use of the electric storage unit of the present invention.

10‧‧‧ Friction Electric

11‧‧‧First cloth

12‧‧‧Second cloth

111, 121‧‧‧Modified liquid metal conductive materials

112, 122‧‧ ‧ protective layer

13‧‧‧ spacers

14‧‧‧Protruding

20‧‧‧Power storage unit

21‧‧‧ Third Cloth

22‧‧‧fourth cloth

211, 221‧‧ ‧ modified liquid metal conductive materials

212, 222‧‧‧ protective layer

23‧‧‧Separator

24‧‧‧Porous materials

30‧‧‧Bridge unit

Claims (9)

A wearable distributing device for integrating power generation and storage functions, comprising: a triboelectric generator, comprising a first cloth, a second cloth, at least one spacer, the first cloth, the second cloth Coating the modified liquid metal conductive material to form a positive and negative electrode of the friction device, the spacer is coupled between the first cloth and the second cloth to form a spacing between the positive and negative electrodes of the friction device, the first cloth, The second fabric is stitched; the electric storage unit is electrically connected to the friction electric device, and the electric storage unit comprises a third cloth, a fourth cloth, and a separator, and the third cloth and the fourth cloth inner layer are coated. The liquid metal conductive material is modified to form a positive and negative electrode conductive layer of the electric storage unit, and a porous material mixed with a solid electrolyte is coated on the surface of the positive and negative electrode conductive layer of the electric storage unit, and the separation film is disposed on the third cloth and the fourth cloth. To form a sandwich structure. A wearable distributing device for integrating power generation and storage functions according to claim 1, wherein the spacer is selected from the group consisting of a cloth, a polymer, and a sponge. The wearable distributing device for integrating power generation and storage functions according to claim 1, wherein the spacer is coupled between the first cloth and the second cloth by a combination of stitching and pasting. . A wearable distributing device for integrating power generation and storage functions according to claim 1, wherein the porous material is one of carbon fiber, carbon nanotube, activated carbon, and graphene. A wearable distributing device for integrating power generation and storage functions according to claim 1, wherein the friction generator and the power storage unit are connected by a bridge unit. A wearable distributing device for integrating power generation and storage functions according to claim 1, wherein the inner layer of at least one of the first cloth and the second cloth has a protrusion and one of a texture By. The wearable distribution device for integrating power generation and storage functions according to claim 1, wherein the outer layer of the modified liquid metal conductive material of the first cloth and the second cloth is coated with a protective layer, The protective layer is selected from the group consisting of silicone protective layers. The wearable distribution device for integrating power generation and storage functions according to claim 1, wherein the outer layer of the third cloth and the fourth cloth is coated with a protective layer selected from the group consisting of a silicone protective layer. . The wearable distributing device for integrating power generation and storage functions according to claim 1, wherein one of the first cloth and the second cloth is a partial positive material, and the other one is a partial negative material.