121results about "Influence generators" patented technology

The invention discloses a wearable knee joint self-powered sensing system and a use method, relates to the technical field of motion monitoring, and solves the technical problem that a motion detection sensor integrating light weight and a self-powered mode is lacked in the prior art. The motor comprises a stator part and a rotor part which are rotationally arranged, a center shaft penetrating through the stator part is arranged on the rotor part, and the stator part and the rotor part are rotationally connected through the center shaft; and a motion state monitoring module and a self-powered module are sequentially and coaxially arranged at the connecting part of the stator part and the rotor part, so that the rotation angle and direction of the knee joint are accurately detected, and key data support is provided for subsequent motion analysis and health monitoring.

To provide a charge carrier having a potential control layer adjacent to a charge retention layer, which reduces the thrust required to transport the charge carrier and eliminates the backward mirror image force generated during the initial transport phase.SOLUTION: A potential control layer is provided adjacent to a charge retention layer, which forms upper and lower horizontal plates of a charge carrier formed on a printed circuit board (PCB), and charges of opposite polarity to the charge retention layer are introduced into this layer, thereby the electrostatic force acting on the charge carrier is substantially eliminated, and furthermore, by maintaining the charges in the charge retention layer during the initial transport phase, the generation of a backward mirror image force is eliminated, thereby achieving the desired result.SELECTED DRAWING: Figure 10

The application discloses a pressure sensor based on friction nanogenerator, which can be deployed in a wearable device for monitoring pulse fluctuation, or deployed in an electronic device with a touch screen for detecting touch action. The sensor comprises two friction layers and at least one electrode layer. The two friction layers are respectively made of materials with different electron loss and gain abilities. The surface of at least one friction layer comprises a multi-stage micro-nano structure for inducing equal and opposite net charges corresponding to the applied pressure on the two friction layers under pressure. The multi-stage micro-nano structure comprises at least two kinds of micro-nano columnar structures with different heights. The electrode layer is used for generating current based on the net charges. The application can make the pressure sensor maintain high sensitivity to large static force through the designed multi-stage structure with different heights, and can expand the measurement range of the pressure sensor, so that the sensor maintains the same or similar sensitivity under various static forces.

An illustrative electrostatic machine includes a shaft that is configured to rotate about an axis, a rotor electrode, and a stator electrode. The rotor electrode and the stator electrode are separated by a gap and form a capacitor. The rotor electrode is fixed to the shaft. The electrostatic machine can also include a housing that is configured to enclose the rotor electrode, the stator electrode, and at least a portion of the shaft. The stator electrode is fixed to the housing. A dielectric fluid fills a void defined by the housing, the rotor electrode, and the stator electrode.

To provide a power generator that can easily electrically connect a plurality of first electrode layers and a plurality of second electrode layers.SOLUTION: A portion of each of a plurality of first sheet members 10 and a portion of each of a plurality of second sheet members 20 are alternately stacked, such that a first electrostatic layer 13 and a second electrostatic layer 23 face each other, the power generator 1 generates electricity by changing the contact state between the first electrostatic layer 13 and the second electrostatic layer 23, the first connecting conductor 30 penetrates other portions of each of the plurality of first sheet members 10 and is connected to the first electrode layer 12 of each of the plurality of first sheet members 10, and the second connecting conductor 40 penetrates other portions of each of the plurality of second sheet members 20 and is connected to the second electrode layer 22 of each of the plurality of second sheet members 20.SELECTED DRAWING: Figure 1

An electret (1) has a substrate (10) and an electret layer (2) formed on the surface of the substrate (10), the electret layer (2) being obtained by electrically charging an inorganic dielectric film (20) including an outer layer film (3) and an inner layer film (4) laminated in the thickness direction (X) of the substrate (10), the outer layer film (3) being a film mainly composed of a first inorganic dielectric material, and the inner layer film (4) being a film mainly composed of a second inorganic dielectric material. The first inorganic dielectric material is a composite metal compound containing two or more different metal elements, contains at least a trivalent metal element, and has a band gap energy of 3 eV or more, and the inner layer film (4) is a film having a second inorganic dielectric material different from the first inorganic dielectric material as a main component.

A vibration-driven energy harvester includes: a base; a movable assembly that includes a first movable electrode and a second movable electrode; a first fixed electrode disposed so as to face opposite the first movable electrode; a second fixed electrode disposed so as to face opposite the second movable electrode; an elastic support member having a fixed end fixed to the base, the elastic support member supporting the movable assembly; a first electret formed at least at one of the first movable electrode and the first fixed electrode; and a second electret formed at least at one of the second movable electrode and the second fixed electrode, wherein: a gap distance between a front end of the second movable electrode and a facing surface of the second fixed electrode facing the front end of the second movable electrode is different from a gap distance between a front end of the first movable electrode and a facing surface of the first electrode facing the front end of the first movable electrode.

The application provides a power generation device, a watchband and a smart watch. The power generation device comprises a containing cavity, an elastic member, a magnetic member, at least one set of power generation members and a rectifying member. The magnetic member is arranged in the containing cavity and is elastically connected to one end of the containing cavity through the elastic member and elastically connected to the other end of the containing cavity through the elastic member. The at least one set of power generation members acts on the containing cavity and the magnetic member. The rectifying member is electrically connected to the at least one set of power generation members. When the magnetic member moves along the direction of the central axis of the containing cavity under the action of its own gravity and / or the elastic force of the elastic member, an electric current is generated on the at least one set of power generation members through the interaction between the magnetic member and the at least one set of power generation members. The electric current is converted into direct current by the rectifying member and then output to supply power to an electric device. Through the application, the flexibility of supplying power to the electric device can be improved.

The present invention relates to a high-output DC electric energy generation device using a conductive polymer gel and, more particularly, to a technology for generating DC electric energy using a charge recombination mechanism through contact-separation and sliding methods, wherein a conductive polymer gel including a mixture of PVC and a plasticizer or a mixture of PVDF and an ionic liquid is disposed between upper and lower metal electrodes made of gold or aluminum. The present invention can provide stable and efficient DC power to various applications such as IoT sensors and small electronic devices by optimizing the thickness of the conductive polymer gel, the concentration of the plasticizer, the metal electrode material, and the like. In particular, the present invention can increase power efficiency through charge generation and accumulation processes performed by vertical and horizontal movements of the electrodes.

The present invention relates to a dimming system and a self-powered method thereof, which realizes the self-powering of a dimming film and belongs to the field of dimming. The dimming system includes an electret generator, a rectifier, a reset switch, a dimming film structure and a voltage management module. The electret generator can convert external mechanical stimulation into electrical energy. The output end of the electret generator is connected to the input end of the rectifier, the output end of the rectifier is connected to the dimming film structure, and the reset switch, the dimming film structure and the voltage management module are connected in parallel with the dimming film structure to obtain a self-powered dimming system that does not require an external power supply. The self-powered dimming film prepared by the present invention does not require an external power supply. It can realize the function of regulating the light transmittance of the dimming film structure by applying external stimulation, and its initial optical state can be switched by rotating the polarizer, which greatly expands the scope of application. Therefore, it can be used in the fields of architecture, automobiles, electronics, etc.

To provide a vibration power generation device whose size can be kept as small as possible. [Solution] A bridge circuit (15) is configured inside or outside the substrate and is electrically connected to a fixed electrode portion. A movable electrode portion (20) is disposed facing the fixed electrode portion at a distance from the fixed electrode portion and vibrates relative to the fixed electrode portion. A power storage device (60) is electrically connected to the output of the bridge circuit (15) and outputs a voltage. The power storage device (60) is configured as a weight on the movable electrode portion (20) and vibrates integrally with the movable electrode portion (20).

A MEMS element according to the present invention is provided with a base, an insulation layer fixed to one surface of the base, a first upper layer at least portions of which are fixed to the insulation layer, and a second upper layer provided surrounding the first upper layer and disposed being separated from the first upper layer by slits, wherein the first upper layer includes, at predetermined portions, protruding portions protruding toward the second upper layer, and the protruding portions are fixed to the insulation layer.

To provide a battery generating voltage without applying external force.SOLUTION: In a battery having an electrode A, an electrode B, and a dielectric body between the electrode A and the electrode B, a difference between work functions of the electrode A and the electrode B is equal to or more than 0.1 eV, and the dielectric body is a sheet consisting of a polyvinyl chloride and a plasticizer. Preferably, both of the electrode A and the electrode B are metals with a purity of 98% or above, the plasticizer includes dibutyl adipate, and content of the plasticizer in the dielectric body is equal to or more than 35 wt%.SELECTED DRAWING: Figure 1

The invention provides an integrated device for vibration control and energy collection. The integrated device comprises a shell, a mass block, a spring assembly, a first electrode pair and a second electrode pair, wherein the mass block is arranged in the shell and can freely vibrate; the spring assembly is arranged between the mass block and the shell and generates a geometric nonlinear effect; the first electrode pair is arranged on the inner side of the shell; the rectifying load circuit is connected with the second electrode pair and the first electrode pair, and the first electrode pair is arranged on the inner side, facing the second electrode pair, of the shell. According to the technical scheme, geometric nonlinearity is introduced through the spring assembly, so that the inherent frequency range of the system covers the ultralow frequency range below 1Hz. According to the technical scheme, the structural vibration response regulation and energy self-supply system is high in adaptability and integration degree, and broadband, stable and efficient combined vibration control and energy recovery are achieved.

The invention relates to the technical field of wireless temperature measurement sensors, in particular to a wireless temperature measurement sensor capable of being installed in an electrified mode, which comprises a sensor body and an installation shell, the sensor body comprises a steel belt and two metal supports, and a metal clamp is hinged to the other end, opposite to one end, of each metal support. An inner plastic shell is installed between the two opposite side walls of the two metal supports, a component to be subjected to temperature measurement is placed on the inner plastic shell, side plates are installed on the two opposite side faces of the metal supports respectively, the outer wall of the installation rod is sleeved with an auxiliary spring piece and two spring clamping pieces, and the installation shell comprises a frame main shell and a frame auxiliary shell which can be separated. The frame main shell and the frame auxiliary shell are connected through the screw rod, the driving assembly controls the screw rod to rotate so as to adjust the distance between the frame main shell and the frame auxiliary shell, the detachable design of the frame main shell and the frame auxiliary shell is matched with the installation clamp, and the problem that a metal clamp needs to be opened with great effort before a sensor body is installed can be solved. And the problem of driving installation can also be solved.

An energy harvesting element (10) capable of efficiently generating power is provided. The energy harvesting element generates power by vibration, and includes a first electrode (16a) and a second electrode (16b), a member (12) having a third electrode (13a) electrically connected to the second electrode, and facing the first electrode, and a fourth electrode (13b) relatively fixed to the third electrode without being electrically connected to the third electrode, and electrically connected to the first electrode and facing the second electrode, the member being provided between the first electrode and the second electrode, and an electret provided in one of the first electrode and the third electrode, and one of the second electrode and the fourth electrode.

This invention discloses a self-powered vibration measurement sensor for coal mine drilling, comprising a housing and an end cap, which are sealed by screw connection. A vibration table is disposed in the cavity in the middle of the housing. A copper electrode layer and a Kapton sensing layer are disposed on the upper surface of the vibration table, and a copper electrode layer and a silicone film sensing layer are disposed on the lower side of the end cap. The positions of the copper electrode layer and the Kapton sensing layer correspond to those of the copper electrode layer and the silicone film sensing layer. The greatest advantage of this invention is its self-powered nature. This sensor does not require an external power supply, saving downhole space during installation. At the same time, this type of sensor also has a series of advantages such as low cost, simple structure, and high efficiency at low frequencies. This invention has a simple structure, high reliability, and is not prone to distortion.

The present invention relates to the generation and / or production of energy, and in particular, to the generation and / or production of quantum energy derived from ball lightning produced within a controlled environment.

An electret (1) has an electret layer (2). The electret layer is formed by subjecting a composite film, in which inorganic dielectric particles (21) are dispersed and held in a base film (22), to a polarization treatment. The inorganic dielectric particles consist mainly of an inorganic dielectric material with a band gap energy of 4 eV or more.

A power generation module (1) comprises: a rotating body (11) that rotates about the rotational axis (X); a frame body (12) that surrounds the periphery of the rotating body (11) in the radial direction; a first laminated body (20) that is positioned between the frame body (12) and the rotating body (11) in the radial direction; and a second laminated body (30) that is positioned between the first laminated body (20) and the rotating body (11) in the radial direction. The first laminated body (20) has a first base material (21) and a first electrode (22) positioned further outward than the first base material (21) in the radial direction. The second laminated body (30) has a second base material (31) and a second electrode (32) positioned further inward than the second base material (31) in the radial direction. In the radial direction, a gap (G) is formed between the first laminated body (20) and the second laminated body (30). The first laminated body (20) and the second laminated body (30) can make contact with each other and can be peeled off.

A vibration-driven energy harvesting element includes fixed electrodes that are fixed to a base part, a movable electrode that is movable with respect to the fixed electrodes, and an elastic support part that includes one end fixed to the base part and another end fixed to the movable electrode and elastically supports the movable electrode. The elastic support part of the vibration-driven energy harvesting element includes: a plurality of elastic structures each of which has a linking portion, a first elastic portion, and a second elastic portion, the first elastic portion having one end fixed to the linking portion and another end fixed to the movable electrode and extending in a second direction orthogonal to a first direction in which the movable electrode vibrates, the second elastic portion having one end fixed to the linking portion and another end fixed to the base part and extending in the second direction, the plurality of elastic structures being disposed on both sides of the movable electrode in the first direction; and connecting members that connect the linking portions included in the plurality of elastic structures to each other.

To provide an electret capable of maintaining a high surface potential for a long time even in a high temperature environment and having excellent in thermal and temporal stability.SOLUTION: An electret 1 includes a substrate 10 and an electret layer 2 formed on its surface. The electret layer 2 is obtained by subjecting an inorganic dielectric film 20 including an outer layer film 3 and an inner layer film 4 stacked in a thickness direction X of the substrate 10 to a charge treatment. The outer layer film 3 is a composite metal compound containing two or more different metal elements, and is a film containing, as a main component, a first inorganic dielectric material containing at least a trivalent metal element and having a band gap energy of 3 eV or more. The inner layer film 4 is a film mainly containing a second inorganic dielectric material different from the first inorganic dielectric material.SELECTED DRAWING: Figure 1

An electrostatic generator adapted for high-voltage DC transmission provides a set of individual electrostatic generators connected in tandem to a mechanical input and employing floating voltage sources to allow series connection of the individual electrostatic generators without diode ladders or the like. Brushless operation can be provided through generator building blocks having electrically separated stators communicating with electrically joined rotors.

An electric power generation system is provided. The electric power generation system includes an electric power generation device and an ambient environment comprising an atmospheric relative humidity of at least 20%. The electric power generation device includes a thin film of protein nanowires or a nanowire composite, the thin film having an opposing first surface and second surface. The electric power generation device also includes a first electrode and a second electrode, electrically connected to the first surface and second surface, respectively, of the thin film. At least one of the first surface and the second surface of the thin film is at least partially exposed to the ambient environment. A moisture gradient and charge gradient is therefore created and maintained in the thin film to continuously generate power.

The integrated circuit on the chip may include a plurality of capacitors connected in series to generate an AC noise signal. A selected bandwidth of the AC noise signal is transmitted through the series of capacitors as a first AC power signal. Each rectifier is positioned to receive a positive cycle of the first AC power signal and a negative cycle of the first AC power signal. Output terminals are connected to each rectifier and configured to be connected to off-chip circuitry. The capacitors may be fixed capacitors or variable gap capacitors.