Self-powered wireless intelligent mouse based on energy collection

Abstract

The invention discloses a self-powered wireless intelligent mouse based on energy collection, which mainly comprises a piezoelectric film power generation device, a first piezoelectric film piece and a second piezoelectric film piece, wherein the first piezoelectric film piece and the second piezoelectric film piece are arranged below a left key and a right key of the mouse and are used for converting mechanical energy of pressing keys into piezoelectric micro-energy signals; the electromagnetic induction power generation device is arranged in the mouse roller and used for converting mechanical energy generated when the roller rolls into electromagnetic micro-energy signals; the nanometer friction generator device comprises a coupling electrode arranged on the surface of the bottom plate shell and a matched mouse pad made of a flexible polymer material, and is used for converting friction mechanical energy into a micro-energy signal; and the multi-channel wireless acquisition board is used for acquiring electric signals output by the three power generation devices, and processing and identifying the electric signals by using a CNN neural network. A traditional battery is not needed for power supply, and the problems of endurance limitation and environmental pollution are avoided; meanwhile, an efficient and stable solution is provided for controlling the wireless mouse through direct acquisition and recognition of multi-channel micro-energy signals.

Description

Technical Field

[0001] The present invention belongs to the technical field of human-computer interaction devices and self-powered sensing technologies, and particularly relates to a self-powered wireless intelligent mouse based on energy harvesting. Background Art

[0002] With the rapid development of semiconductor devices and integrated circuit technologies, human-computer interaction devices have been widely used. However, the power required for the operation of these devices is mainly generated by traditional electrochemical batteries and micro fuel cells. For example, for wireless mice, the wireless mice currently on the market mainly rely on battery power supply. This power supply method has a battery life limitation, and at the same time, discarded batteries will also cause certain pollution to the environment.

[0003] According to the search, although there have been attempts at self-power generation technologies for existing wireless mice, the energy conversion efficiency of a single power generation mode is low. Patent 201510575923.4, although integrating multiple power generation methods, focuses on electrical energy storage and does not fully utilize the characteristics of micro energy signals, making it difficult to operate the wireless mouse in a passive manner. Therefore, there is an urgent need for a micro energy harvesting mechanism to solve the above problems. Summary of the Invention

[0004] Aiming at the problem that the existing system is difficult to fully utilize the characteristics of micro energy signals and difficult to operate the wireless mouse in a passive manner, the present invention provides a self-powered wireless intelligent mouse based on energy harvesting.

[0005] A self-powered wireless intelligent mouse based on energy harvesting according to the present invention includes a bottom plate housing, a top plate housing, a left button, a right button, and a scroll wheel, and further includes a piezoelectric film power generation device, an electromagnetic induction power generation device, a nano triboelectric generator device, and a multi-channel wireless acquisition board.

[0006] The piezoelectric film power generation device includes a first piezoelectric film piece and a second piezoelectric film piece respectively disposed under the left button and the right button of the mouse. When the mouse button is pressed, the piezoelectric film deforms, converting mechanical energy into piezoelectric micro energy signals.

[0007] The electromagnetic induction power generation device is disposed inside the mouse scroll wheel and is used to convert the mechanical energy when the scroll wheel rolls into electromagnetic micro energy signals.

[0008] The nano triboelectric generator device includes a coupling electrode disposed on the surface of the bottom plate housing of the mouse, the bottom plate housing of the mouse serves as an induction electrode, and a supporting mouse pad made of a flexible polymer material, and the mouse pad serves as a friction surface layer for converting frictional mechanical energy into micro energy signals.

[0009] The multi-channel wireless acquisition board is used to acquire the electrical signals output by the three power generation devices and transmit the signals through a low-power wireless module.

[0010] Further, it also includes a CNN neural network recognition model, which is used to recognize electrical signals and convert them into control signals to achieve passive operation of the wireless intelligent mouse.

[0011] Further, the piezoelectric thin film power generation device also includes a left button piezoelectric thin film support block and a right button piezoelectric thin film support block, which are used to support the first piezoelectric thin film and the second piezoelectric thin film.

[0012] Further, the first piezoelectric thin film and the second piezoelectric thin film are made of polyvinylidene fluoride material.

[0013] Further, the electromagnetic induction power generation device includes multiple neodymium iron boron magnets installed alternately with NS poles on the inner wall of the roller housing, and a micro coil fixed on the rod in the roller inner cavity. The left and right ends of the rod in the roller inner cavity are respectively installed on the tops of the left roller inner cavity support and the right roller inner cavity support.

[0014] Further, there are six neodymium iron boron magnets, namely: the first neodymium iron boron magnet, the second neodymium iron boron magnet, the third neodymium iron boron magnet, the fourth neodymium iron boron magnet, the fifth neodymium iron boron magnet and the sixth neodymium iron boron magnet.

[0015] Further, the surface of the bottom plate housing is made of silver, aluminum or copper; the surface of the mouse pad is made of polytetrafluoroethylene PTFE or polydimethylsiloxane PDMS.

[0016] Further, the multi-channel wireless acquisition board is installed in the mouse cavity, and the electrical signals output by the three power generation devices are connected to the wireless acquisition board through independent channels to avoid signal interference.

[0017] The beneficial technical effects of the present invention are as follows:

[0018] 1. The present invention collects multi-channel micro energy generated during the use of the mouse, can directly collect micro energy signals, avoid energy storage, achieve completely passive operation, and avoid traditional battery pollution.

[0019] 2. By integrating a nano-friction generator, a piezoelectric thin film power generation device and an electromagnetic induction power generation device, the present invention can efficiently convert various mechanical energies generated during the use of the mouse into micro energy signals. It fully utilizes various mechanical energy sources during the mouse operation process. Compared with a single energy collection method, it greatly improves the efficiency and stability of energy conversion. The self-powered design of the present invention does not require the use of batteries, reduces potential harm to the environment, and conforms to the concept of sustainable development.

[0020] 3. The present invention uses a multi-channel wireless acquisition board to independently collect the micro energy signals output by the three power generation devices, and processes and converts them through a CNN neural network recognition model, avoiding signal attenuation and delay problems in the traditional energy storage link, and can quickly and accurately convert the micro energy signals into control signals to achieve instant response and passive operation of the mouse. Brief Description of the Drawings

[0021] Figure 1 This is a schematic structural diagram of a self-powered wireless intelligent mouse based on energy harvesting according to the present invention.

[0022] Figure 2 This is a schematic diagram of the electromagnetic power generation structure of a self-powered wireless intelligent mouse based on energy harvesting according to the present invention.

[0023] Figure 3 This is a schematic diagram of the system principle of the present invention.

[0024] In the figure: 1 - mouse pad; 2 - bottom plate housing; 3 - right button piezoelectric film support block; 4 - right side roller inner cavity rod support; 5 - second piezoelectric film; 6 - right button; 7 - roller; 8 - inner rod of the roller; 9 - left button; 10 - top plate housing; 11 - wireless acquisition board; 12 - first piezoelectric film; 13 - left button piezoelectric film support block; 14 - left side roller inner cavity rod support; 15 - first neodymium iron boron magnet; 16 - second neodymium iron boron magnet; 17 - third neodymium iron boron magnet; 18 - fourth neodymium iron boron magnet; 19 - fifth neodymium iron boron magnet; 20 - sixth neodymium iron boron magnet; 21 - micro coil. Detailed Embodiment

[0025] The present invention will be further described in detail below with reference to the drawings and specific implementation methods.

[0026] A self-powered wireless intelligent mouse based on energy harvesting according to the present invention is as Figure 1 shown, including a bottom plate housing 2, a top plate housing 10, a left button 9, a right button 6, and a roller 7, and further including a piezoelectric film power generation device, an electromagnetic induction power generation device, a nano-friction power generation device, and a multi-channel wireless acquisition board 11.

[0027] The piezoelectric film power generation device includes a first piezoelectric film 12 and a second piezoelectric film 5 respectively disposed below the left button 9 and the right button 6 of the mouse. It also includes a left button piezoelectric film support block 13 and a right button piezoelectric film support block 3 for supporting the first piezoelectric film 12 and the second piezoelectric film 5.

[0028] The piezoelectric film is a polymer material, such as polyvinylidene difluoride, which is directly fixed below the left and right buttons of the mouse. When pressing the left and right buttons of the mouse, the piezoelectric film will be deformed, thereby converting the mechanical energy of the mouse into a micro energy signal.

[0029] The electromagnetic induction power generation device is as Figure 2As shown in the figure, it is set inside the mouse scroll wheel 7 and is used to convert the mechanical energy generated when the scroll wheel 7 rolls into an electromagnetic micro-energy signal. The electromagnetic induction power generation device includes multiple neodymium iron boron magnets installed alternately with N and S poles on the inner wall of the scroll wheel 7 housing, and a micro-coil 21 fixed on the rod 8 in the scroll wheel cavity, such as a copper coil or an aluminum coil. The left and right ends of the rod 8 in the scroll wheel cavity are respectively installed on the tops of the left scroll wheel cavity rod support 14 and the right scroll wheel cavity rod support 4. When the mouse scroll wheel 7 is scrolled, the coil will move to cut the magnetic induction lines, realizing the conversion of mechanical energy into a micro-energy signal.

[0030] Further, there are six neodymium iron boron magnets, namely: the first neodymium iron boron magnet 15, the second neodymium iron boron magnet 16, the third neodymium iron boron magnet 17, the fourth neodymium iron boron magnet 18, the fifth neodymium iron boron magnet 19, and the sixth neodymium iron boron magnet 20.

[0031] The nano-friction generator device utilizes the friction between the mouse and the mouse pad to convert the frictional mechanical energy into a micro-energy signal. It includes a coupling electrode set on the surface of the bottom plate housing 2, the mouse bottom plate housing serves as the induction electrode, and a supporting mouse pad 1 made of a flexible polymer material. The mouse pad 1 serves as the friction surface layer and is used to convert the frictional mechanical energy into a micro-energy signal.

[0032] The surface of the bottom plate housing 2 is the induction motor electrode and the coupling electrode. The induction electrode and the coupling electrode are made of materials with good electrical conductivity, such as metallic silver, aluminum, copper, etc. The surface of the mouse pad 1 is a flexible polymer material, such as polytetrafluoroethylene, polydimethylsiloxane, etc.

[0033] The multi-channel wireless acquisition board 11 is used to acquire the electrical signals output by the three power generation devices and transmit the signals through a low-power wireless module. It also includes a CNN neural network recognition model, which is used to recognize the electrical signals and convert them into control signals to realize the passive operation of the wireless intelligent mouse.

[0034] The multi-channel wireless acquisition board 11 is installed in the mouse cavity, and the electrical signals output by the three power generation devices are connected to the wireless acquisition board 11 through independent channels to avoid signal interference.

[0035] The principle of the present invention is as Figure 3 shown. The three micro-energy signals are connected to the wireless acquisition board through independent channels. The computer terminal combines the CNN neural network recognition model to perform three-axis signal recognition and convert it into a control signal to realize the normal use of the mouse.

[0036] The first micro-energy generating device: When the bottom plate housing 2 and the mouse pad 1 rub against each other, since the bottom plate housing 2 serves as the induction electrode of the nano-friction generator and the mouse pad 1 serves as the friction surface layer of the nano-friction generator, micro-energy is generated.

[0037] The second micro energy generating device: The piezoelectric thin film generator is composed of the left button 9, the first piezoelectric thin film 12, the right button 6, and the second piezoelectric thin film 5.

[0038] The third micro energy generating device: When the mouse wheel rotates, the micro coil 21 wrapped with the coil will cut the magnetic field formed by the first neodymium iron boron magnet 15, the second neodymium iron boron magnet 16, the third neodymium iron boron magnet 17, the fourth neodymium iron boron magnet 18, the fifth neodymium iron boron magnet 19, and the sixth neodymium iron boron magnet 20 that are sequentially connected to the inner wall of the outer shell of the mouse wheel 7 in the order of N and S poles, and convert mechanical energy into micro energy signals.

[0039] The electrical signals output by these three power generation units are connected to the wireless acquisition board 11 through independent channels. The computer end combines a CNN neural network recognition model to perform three-axis signal recognition and convert it into a control signal to achieve passive operation of the wireless mouse.

[0040] The above embodiments only describe the preferred mode of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solution of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A self-powered wireless intelligent mouse based on energy harvesting, comprising a bottom shell (2), a top shell (10), a left button (9), a right button (6) and a scroll wheel (7), characterized in that, It also includes a piezoelectric thin-film power generation device, an electromagnetic induction power generation device, a nanogenerator device, and a multi-channel wireless acquisition board (11); The piezoelectric thin-film power generation device includes a first piezoelectric thin-film sheet (12) and a second piezoelectric thin-film sheet (5) respectively arranged under the left mouse button (9) and the right mouse button (6). When the mouse button is pressed, the piezoelectric thin film deforms, converting mechanical energy into a piezoelectric micro-energy signal; The electromagnetic induction power generation device is arranged inside the mouse scroll wheel (7) and is used to convert the mechanical energy generated when the scroll wheel (7) rolls into an electromagnetic micro-energy signal; The nanogenerator device includes a coupling electrode arranged on the surface of the bottom plate housing (2). The mouse bottom plate housing serves as an induction electrode, and a supporting mouse pad (1) made of a flexible polymer material. The mouse pad (1) serves as a friction surface layer and is used to convert frictional mechanical energy into a micro-energy signal; The multi-channel wireless acquisition board (11) is used to collect the electrical signals output by the three power generation devices and transmit the signals through a low-power wireless module.

2. The self-powered wireless intelligent mouse based on energy harvesting according to claim 1, wherein It also includes a CNN neural network recognition model, which is used to recognize electrical signals and convert them into control signals to achieve the passive operation of the wireless intelligent mouse.

3. The self-powered wireless intelligent mouse based on energy harvesting according to claim 1, characterized in that, The piezoelectric thin-film power generation device also includes a left-button piezoelectric thin-film support block (13) and a right-button piezoelectric thin-film support block (3), which are used to support the first piezoelectric thin-film sheet (12) and the second piezoelectric thin-film sheet (5).

4. The self-powered wireless intelligent mouse based on energy harvesting according to claim 3, wherein The first piezoelectric thin-film sheet (12) and the second piezoelectric thin-film sheet (5) are made of polyvinylidene fluoride material.

5. The self-powered wireless intelligent mouse based on energy harvesting according to claim 1, wherein The electromagnetic induction power generation device includes multiple neodymium iron boron magnets installed alternately with N and S poles on the inner wall of the scroll wheel (7) housing, and a micro-coil (21) fixed on the rod (8) inside the scroll wheel cavity. The left and right ends of the rod (8) inside the scroll wheel cavity are respectively installed on the tops of the left scroll wheel cavity rod support (14) and the right scroll wheel cavity rod support (4).

6. The self-powered wireless intelligent mouse based on energy harvesting according to claim 5, wherein There are six neodymium iron boron magnets, namely: the first neodymium iron boron magnet (15), the second neodymium iron boron magnet (16), the third neodymium iron boron magnet (17), the fourth neodymium iron boron magnet (18), the fifth neodymium iron boron magnet (19), and the sixth neodymium iron boron magnet (20).

7. The self-powered wireless intelligent mouse based on energy harvesting according to claim 1, characterized in that, The surface of the bottom plate housing (2) is made of silver, aluminum or copper; the surface of the mouse pad (1) is made of polytetrafluoroethylene PTFE or polydimethylsiloxane PDMS.

8. The self-powered wireless intelligent mouse based on energy harvesting according to claim 1, characterized in that, The multi-channel wireless acquisition board (11) is installed inside the mouse cavity, and the electrical signals output by the three power generation devices are connected to the wireless acquisition board (11) through independent channels to avoid signal interference.

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