66results 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.

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.

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.

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).

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.

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 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.

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.

To provide a fine element capable of independently designing an air gap and an electret.SOLUTION: A movable electrode part 3 and a fixed substrate 2 are arranged so as to face the movable electrode part 3 at an interval. The fixed substrate 2 is provided with a recessed hole 2c. Self-organizing electrets 9 of a polar molecular material are arranged in the 2c of the recessed holes by forming films on the fixed electrodes 8. The self-organizing electrets 9 are formed on the fixed electrodes 8 in the 2a of the concave holes so as to be flush with or protrude from the 2c of the upper surface of the fixed substrate 2.SELECTED DRAWING: Figure 1

Energy harvesting system based on inverse electrowetting on a dielectric, wherein the energy harvesting system comprises: a dielectric material layer (100) formed with a dielectric material in a plate shape and having an upper end and a lower end, wherein the upper end is arranged higher than the lower end in the direction of gravity, and is configured to allow a liquid droplet (W1, W2) to flow from the upper end to the lower end along an upper surface of the dielectric material layer (100), and wherein the upper surface of the dielectric material layer (100) is configured to generate a dielectric polarization in the dielectric material layer (100) by flowing the liquid droplet (W1, W2), and is configured to continuously vary a flow rate (F1, F2) of the liquid droplet (W1, W2) between the upper end and the lower end of the dielectric material layer (100), and an electrode layer comprising a plurality of electrodes (200) coupled to a lower surface of the dielectric material layer (100), wherein electrodes (200) from the plurality of electrodes (200) are arranged such that they are spaced apart from each other in a direction from the upper end of the dielectric material layer (100) to the lower end of the same and are polarized by the dielectric polarization of the dielectric material layer (100).

The utility model provides a quantitative charge and discharge system for pollutant particles, which relates to the technical field of environmental research equipment and is characterized in that a power supply device is respectively connected with a particle charge charging device and a particle charge discharging device and is used for power supply and charge and discharge conversion; a Hall element of the particle charge charging device is arranged between two magnetic coils, and the front surface and the rear surface of the Hall element are connected with the two magnetic coils respectively so that current can be generated in the Hall element. The upper surface and the lower surface of the Hall element are respectively connected with the positive and negative charge insulating plates and are used for charging pollutant particles on the positive charge insulating plate and the negative charge insulating plate; the particle charge discharging device is used for discharging pollutant particles on the positive charge insulating plate and the negative charge insulating plate; the charge measuring device is connected with pollutant particles on the positive charge insulating plate and the negative charge insulating plate and used for monitoring the charge quantity of the particles. According to the scheme, quantitative energy charging of pollutant particles can be achieved, and therefore the accuracy of pollutant particle experimental research is improved.

The application provides a liquid metal-based small-scale wave power generation device, which comprises a plurality of power generation units, each of the power generation units comprising a buoyancy bin and a power generation bin which are both in a closed structure, the power generation bin is provided with a grid structure induction electrode made of conductive metal material, the inner bottom surface of the power generation bin is in a concave disc bottom structure, the spacing between the bottom surface of the grid structure and the disc bottom structure increases from the edge of the disc bottom structure to the center of the disc bottom structure, the edge of the disc bottom structure is connected with the edge of the grid structure, the surface of the grid structure is coated with a layer of friction material, the disc bottom structure is filled with liquid metal, and the inner surface of the disc bottom structure is provided with a metal foil; the bottom surface of the buoyancy bin is provided with an induction electrode connector, the induction electrode connector is connected with the induction electrode of the grid structure through the top surface of the power generation bin, and the electric wire led out of the induction electrode connector and the electrode extension line led out of the metal foil at the bottom of the power generation bin are both connected with a power output line.

The application provides a modular reconfigurable raindrop generator, which comprises a shell, a rainwater collecting unit arranged on the shell, and a plurality of power generating units arranged inside the shell, wherein the power generating unit comprises a rain storage cylinder, a support and a power generating assembly; the rain storage cylinder and the power generating assembly are mounted on the support, the power generating assembly is located below the rain storage cylinder, and after rainwater in the rain storage cylinder drops onto the power generating assembly, an electric potential difference can be generated; the rain storage cylinders of all the power generating units are sequentially connected in series, and the rain storage cylinder of the first power generating unit is connected with the rainwater collecting unit. The application can generate electricity by using electrostatic energy generated by friction between raindrops, air and dielectric materials, so as to meet self-power supply of low-power-consumption electrical equipment such as node sensors and significantly reduce the workload of manual operation.

To provide an element including: a first electrode; an intermediate layer; and a second electrode, the first electrode, the intermediate layer, and the second electrode being disposed in this order, the intermediate layer including an organic polymer material, where a molecular structure of the organic polymer material includes a structure represented by the following formula (1) where R1 is a carbonyl group, an ether group, a thioether group, or organopolysiloxane, and R1 may form a cyclic structure (an imide group) with R2; and R2 to R6 are organic groups that may be identical or different, where each of the organic groups may have a valency of 2 or more and may form another structure:

The invention discloses a self-powered vibration sensor, and particularly relates to the technical field of sensors. The self-powered vibration sensor comprises a base; the static plate assembly is fixed on the base and at least comprises a static electrode layer; the moving plate assembly is arranged opposite to the static plate assembly and at least comprises a moving electrode layer; the elastic body is arranged on the moving plate assembly and used for providing elastic support, so that the moving plate assembly generates micro displacement perpendicular to the static plate assembly along with external vibration; wherein the static electrode layer and / or the moving electrode layer are / is an electret layer; the air gap distance between the static electrode layer and the moving electrode layer is directly changed by the micro displacement of the moving plate assembly, so that the capacitance between the static electrode layer and the moving electrode layer is changed, and an alternating electric signal is induced. The self-powered vibration sensor provided by the invention can realize vibration measurement with high precision, high sensitivity and strong anti-interference capability without depending on an external power supply.

A droplet-based energy harvester is proposed. The droplet-based energy harvester may include a plate comprising a first surface and a second surface opposite to the first surface while being inclined such that a droplet flows on the first surface. The harvester may also include an upper electrode formed on the first surface, and a lower electrode formed on the second surface. The upper electrode may include a first upper electrode and a second upper electrode. The first upper electrode may be configured to emit electrons when the first upper electrode is connected to the second upper electrode by the droplet. The second upper electrode may be configured to absorb the electrons when the second upper electrode is connected to the first upper electrode by the droplet.

This invention provides an actuator comprising: a flexible electrode having flexibility; and a base electrode, wherein a facing surface opposite the flexible electrode is covered by an insulating layer. The actuator deforms the flexible electrode toward the facing surface by applying a voltage between the two electrodes. The flexible electrode is a rotating body disposed on the facing surface. The base electrode is divided into multiple mutually insulated electrode portions. The multiple electrode portions are arranged along a predetermined direction. When a voltage is sequentially applied to the multiple electrode portions in the predetermined direction, the flexible electrode rotates on the facing surface while moving relative to the base electrode in the predetermined direction.

The creation of virtual particles is advantageous due to the high density of allowed energy states in a vacuum, but is a hindrance due to the relatively small number of allowed states in a normal metallic conductor. This difference can be exploited to create a highly efficient electrical energy generator, which is the object of the present invention.SOLUTION: In an electric energy generating device formed of a conductive hollow casing 2 which is made of metal or quartz containing a conductor and connected to a power source 8 for driving an electron gun 30 made of tungsten-hafnium alloy and in which a grid 25 is provided on the electron gun 30, electrons hit a target on the opposite side, and a magnet 4 makes the electrons linearly run toward the target. The housing 2 is grounded until the hollow is saturated, and when saturated, the MOSFET12 prevents the electrons from going to the ground, and a diode 9 guides the electrons to a capacitor 10 and from the capacitor 10 to a load.SELECTED DRAWING: Figure 1

An energy harvesting system converts energy from mechanical motion into electrical energy using one or more diode cells each comprising at least one diode having a junction. Each diode cell is placed on or in a carrier. The diode cell(s) then produce an induced current in response to a potential difference across the junction when in proximity to a charged object that has a dynamically changing electrostatic field. The induced current may then be led to a load and / or energy storage component. The diode cell(s) produce the induced current independent of alignment of motion vectors of the charged object with the diode junctions and may be distributed even at non-planar positions within a volume.

The invention provides a self-powered stepping instruction recognition control device and method, and belongs to the technical field of automobile detection, a pedal carrier is provided with a plurality of sensing mechanisms in an array mode, each sensing mechanism is of a main body structure composed of a lower shell and an outer shell, and each sensing mechanism is sequentially provided with an upper cover, a shaft body, a shaft center, a first leaf spring and a spring. The lower shell is provided with a supporting column, the supporting column and the shaft body connecting column are sleeved with the two ends of the spring respectively, and the shaft body is slidably connected with the lower shell. One end of the first leaf spring is fixed to the lower shell, and a PTFE or Nylon film is arranged at the elastic protrusion of the second end of the first leaf spring. And the two films are made of opposite materials and are correspondingly connected with the positive electrode and the negative electrode. The array type sensing mechanism can comprehensively sense input of different positions of the pedal, and the instruction recognition precision is improved. By means of the triboelectrification and electrostatic induction principle, mechanical energy generated by treading of a user is converted into electric energy, and self power supply is achieved. Through thin film material characteristics and structural design, stable generation and transmission of charges are ensured, and power generation efficiency and signal acquisition accuracy are improved.

Disclosed is a laminated piezoelectric sheet having an electrode laminated on at least one surface of a piezoelectric film, in which the electrode has a raised pattern on a surface on a side in contact with the piezoelectric film. It is possible to provide a laminated piezoelectric sheet that has good signal intensity and little in-plane variation of signal intensity as well as enabling mass production.