CN103750604B - A strap that boosts the battery life of smartwatches - Google Patents

Abstract

The invention provides a kind of watchband that can promote intelligent watch flying power, described watchband inside is provided with three-decker, the i.e. thermoelectric energy converters of the topmost thin-film solar cells of one deck, the vibration energy collector of middle one deck and one deck below, these three kinds of inverting elements are directly connected with the lithium battery of intelligent watch; Described watchband adopts non-silicon MEMS process technology thin-film solar cells, vibration energy collector, thermoelectric energy converters three kinds of transducing modes to be combined in the watchband of intelligent watch, luminous energy, vibrational energy and thermal energy are to the lithium battery power supply of intelligent watch after electric energy by these three kinds of inverting elements embedded respectively in the watchband of intelligent watch.The present invention adopts three kinds of transducing modes to carry out energy supply to wrist-watch in the watchband of intelligent watch, extends cruising time and the battery life of intelligent watch, does not increase wrist-watch volume, not affect wrist-watch attractive in appearance.

Description

A strap that boosts the battery life of smartwatches

technical field

The invention relates to a smart watch, in particular to a strap capable of improving the battery life of the smart watch.

Background technique

Watches are one of the tools that people often use in their daily lives. With the development of MEMS processing technology and mobile technology, intelligent systems are built into watches, so that watches that used to be used to tell time can now be connected to the Internet to display incoming call information, emails, news, weather information, etc. At present, technology companies such as Apple, Samsung, and Google have released their own smart watches one after another.

These nascent wrist devices look similar to ordinary electronic watches, but consume much more energy, requiring users to take off the watch every night to charge it, a problem that has plagued smartwatch makers.

For example, the Chinese patent publication number is CN103135440A, and the application number is 201310058600. This invention provides a bluetooth smart watch, including a watch body and a wireless charger. The wireless charger and the wireless charging module inside the watch body use wireless power transmission technology. connected. Although this technology uses a wireless charger, it still cannot fundamentally solve the problem of short battery life of smart watches. The Chinese patent publication number is CN102636986A, and the invention patent with the application number 201110036101.0 provides a kind of all-solar battery watch, which includes a case made of an integrated bottom cover and a transparent case cover, watch strap and movement And the display screen, because the conversion efficiency of solar cells is not high, the invention patent is only applicable to traditional low-energy electronic watches, but it is far from meeting the requirements for high-energy smart watches.

Contents of the invention

In view of the defects in the prior art, the purpose of the present invention is to provide a watch strap that can improve the battery life of the smart watch. The watch strap can prolong the battery life and battery life of the smart watch, and has the characteristics of high efficiency and environmental protection.

In order to achieve the above objectives, the present invention provides a watch strap that can improve the battery life of a smart watch. The watch strap is internally provided with a three-layer structure, that is, a thin-film solar cell on the top layer, a vibration energy harvester on the middle layer, and a bottom layer. The first layer of thermoelectric energy converter, the three kinds of energy conversion elements are directly connected with the lithium battery of the smart watch; The energy is integrated in the strap of the smart watch, and the three kinds of transducing elements are embedded in the strap of the smart watch, and the light energy, vibration energy and heat energy are respectively converted into electrical energy through a flexible circuit in series, and then the lithium battery of the smart watch is powered. .

Preferably, the materials of the case and the strap are flexible materials, so as to ensure the softness and transparency of the watch.

Preferably, the watch strap and the watch case are integrated, and the watch case plays a role of protecting the watch, and at the same time, various connection ports of the smart watch are left on its side.

Preferably, the thin-film solar cell ensures sufficient light-receiving surface and the flexibility of the strap; the vibration energy harvester is based on MEMS processing technology, which converts vibration energy generated when a person swings his arm into electrical energy; Thermoelectric energy converters use thermoelectric materials to convert the temperature difference between the human body temperature and the ambient temperature into an electric potential difference.

Preferably, the solar cell adopts a flexible thin-film solar cell to ensure the softness of the strap.

Preferably, the vibration energy harvester is a miniature vibration energy harvester, which is manufactured on a flexible substrate by photolithography, corrosion, sputtering and other processes using MEMS processing technology, without affecting the softness of the strap.

Preferably, all the connecting circuits inside the strap adopt flexible circuits to ensure the softness of the strap, and further, MEMS double-sided overlay technology is used to connect each layer.

Preferably, the strap adopts a butterfly buckle structure, which is convenient for adjusting the length of the strap and is decorative.

Compared with the prior art, the present invention has the following beneficial effects:

A watch strap that can improve the battery life of a smart watch according to the present invention, the watch strap uses three energy conversion methods to store energy for the watch, and is made of MEMS processing technology, and has a high degree of integration. The strap has high energy storage, which can prolong the battery life of the smart watch; the method has the characteristics of high efficiency and environmental protection.

Description of drawings

Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

Fig. 1 is the overall structure schematic diagram of smart watch strap of the present invention;

Fig. 2 is a schematic cross-sectional view of a smart watch strap of the present invention;

In the figure: 1 is a watch strap, 2 is a watch case, 3 is a strap buckle, 4 is a thin-film solar cell, 5 is a vibration energy harvester, and 6 is a thermoelectric energy converter.

detailed description

The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

As shown in Figure 2, this embodiment provides a watch strap that can improve the battery life of a smart watch. The watch strap adopts non-silicon MEMS processing technology to combine three types of thin-film solar cells 4, vibration energy harvesters 5, and thermoelectric energy converters 6. The energy conversion method is integrated in the strap 1 of the smart watch, and the three kinds of energy conversion elements are embedded in the strap 1 of the smart watch, respectively converting light energy, vibration energy and heat energy into electrical energy to supply power to the battery of the smart watch.

In this embodiment, the overall structure of the watch strap 1 of the smart watch is shown in Figure 1. The strap 1 and the watch case 2 are integrated and made of flexible materials. The strap buckle 3 adopts a butterfly buckle structure, which is convenient for adjusting the strap. The length of the belt is decorative.

In this embodiment, as shown in Figure 2, it is a cross-sectional view of the strap 1 of the smart watch. The strap 1 is internally provided with a three-layer structure, and three kinds of transducing elements are embedded, that is, a thin-film solar cell 4 on the top layer, a middle one The vibration energy harvester 5 on the first layer and the thermoelectric energy converter 6 on the lower layer are used to convert light energy, vibration energy and heat energy into electrical energy and then supply power to the smart watch. can be converted into electrical energy; the vibration energy harvester 5 is used to convert the mechanical energy generated by people shaking their arms when walking or exercising into electrical energy; the thermoelectric energy converter 6 is closest to the human body and is used to feel the temperature of the human body. The temperature between the temperature and the ambient temperature is converted into a potential difference to supply power to the battery; the three types of transducing elements, the thin-film solar cell 4, the vibration energy harvester 5 and the thermoelectric energy converter 6, are connected in series through a flexible circuit to directly generate electric energy for the watch. The original lithium battery is charged.

In this embodiment, a series of non-silicon MEMS processing technologies such as photolithography, etching, sputtering, and double-sided overlay are used to fabricate the transducer and the connecting circuit on the flexible substrate.

A watch strap capable of improving the battery life of a smart watch described in the present invention uses three energy conversion methods to store energy for the watch, which is higher than the energy storage of a single solar watch strap and can extend the battery life of the smart watch Time without increasing the volume of the movement or affecting the appearance of the watch.

Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention.

Claims (9)

1. one kind can promote the watchband of intelligent watch flying power, it is characterized in that, described watchband inside is provided with three-decker, the i.e. thermoelectric energy converters of the topmost thin-film solar cells of one deck, the vibration energy collector of middle one deck and one deck below, these three kinds of inverting elements are directly connected with the lithium battery of intelligent watch; Described watchband adopts non-silicon MEMS process technology thin-film solar cells, vibration energy collector, thermoelectric energy converters three kinds of transducing modes to be combined in the watchband of intelligent watch, these three kinds of inverting elements embedded in the watchband of intelligent watch, being connected by flexible circuitry is to the lithium battery power supply of intelligent watch respectively by luminous energy, vibrational energy and thermal energy after electric energy.

2. a kind of watchband that can promote intelligent watch flying power according to claim 1, it is characterized in that, described three kinds of inverting elements and thin-film solar cells, vibration energy collector and thermoelectric energy converters are all connected with the lithium battery of wrist-watch, respectively luminous energy, mechanical energy and thermal power transfer are become the lithium battery power supply directly to wrist-watch after electric energy.

3. a kind of watchband that can promote intelligent watch flying power according to claim 2, it is characterized in that, described solar cell adopts flexible thin-film solar cell to ensure the pliability of watchband, and is placed on ground floor to ensure the sensitive surface of solar cell abundance.

4. a kind of watchband that can promote intelligent watch flying power according to claim 2, it is characterized in that, described vibration energy collector is micro-vibration energy collecting device, adopt MEMS process technology, made by photoetching, burn into sputtering technology on flexible substrates, do not affect the pliability of watchband.

5. a kind of watchband that can promote intelligent watch flying power according to claim 1, is characterized in that, the connection circuit of described watchband inside all adopts flexible circuitry.

6. a kind of watchband that can promote intelligent watch flying power according to claim 5, is characterized in that, the connection circuit of described watchband inside adopts MEMS technology to connect each layer.

7. a kind of watchband that can promote intelligent watch flying power according to any one of claim 1-6, is characterized in that, it is integral that described watchband connects watchcase, and the material of described watchcase and watchband is flexible material.

8. a kind of watchband that can promote intelligent watch flying power according to claim 7, is characterized in that, the side of described watchcase reserves the various connectors of intelligent watch.

9. a kind of watchband that can promote intelligent watch flying power according to any one of claim 1-6, is characterized in that, described watchband adopts butterfly buckle structure, is convenient to regulate the length of described watchband and has ornamental.