12results about "Thermal electric motor" patented technology

This embodiment relates to shape memory alloy (SMA) actuator designs that may have custom-sized SMA filament lengths and / or brackets specific to different systems (e.g., optical image stabilization systems, autofocus systems). The actuator may include a universal base (or fixed end) and a universal end portion (or free end), both of which are interchangeable in different SMA designs.

The application discloses a contact type regenerative combustor based on pure ammonia catalysis and a thermoelectric conversion system thereof, and the device comprises a body surrounded by an upper wall surface, a lower wall surface and a side wall surface, and the body is provided with a plurality of splitter plates and a tail gas baffle; the inner surfaces of the upper wall surface and the lower wall surface are coated with a perovskite catalyst layer; the outer sides of the upper wall surface and the lower wall surface are directly attached with thermoelectric modules, and the outer sides of the thermoelectric modules are provided with cooling plates. The application optimizes the flow field and enhances the disturbance through the splitter plates, guides the tail gas to preheat the mixed gas by using the baffle, and reduces the reaction activation energy by using the catalyst to assist combustion; the high-temperature tail gas directly heats the hot end of the thermoelectric module, and the liquid cooling plate maintains the low temperature of the cold end, thereby forming efficient thermoelectric conversion. The application has the advantages of compact structure, high thermal efficiency, effectively widened stable working range of ammonia combustion, and solved problems of small temperature difference, low efficiency and poor combustion stability of ammonia fuel of the existing combustor thermoelectric system.

The present invention relates to a power generator for the direct conversion of radiation and / or heat into electrical energy. The power generator comprises three capacitor elements (11, 12, 13) arranged parallel to and spaced apart from one another, wherein two of the capacitor elements form a driving capacitor which is applied to a driving voltage (U). C ) is charged, wherein each of the driving capacitor elements (11, 12) is or has a capacitor surface made of or coated with a conductive material, and the third capacitor element (13) is arranged substantially parallel to a first of the two capacitor surfaces of the driving capacitor on a rear side facing away from the second capacitor surface (11) or a front side of this surface (12) opposite the rear side, and are connectable or connected to the first driving capacitor surface (12) via a voltage tap (14a, 14b).

An actuator according to one aspect of the present invention includes a first member in which a shape is transformed from a first position, which is either rolled or flat, to a second position different from the first position, and a restoring force is stored when the shape is transformed from the first position to the second position, and a second member which is joined to the first member along the length direction of the first member and in which the shape of the second position is stored.

The invention provides an anti-severe environment wireless sensing system for a spacecraft. A multi-mode energy collection subsystem is used for collecting heat energy from a spacecraft structure in a high-temperature pneumatic heating environment and converting the heat energy into electric energy; the high-temperature energy storage subsystem is used for storing continuous low-power and transient high-power electric energy and providing transient high-power support for frequency agile communication and acoustic standby communication during sudden communication; the plasma self-adaptive frequency agility communication system is used for realizing self-adaptive wireless radio frequency communication in a plasma sheath layer; the acoustic standby communication subsystem is used for providing an independent structure guided wave acoustic communication channel when all radio frequency bands are shielded by plasma; the multi-parameter sensing subsystem is used for realizing measurement and data preprocessing of multiple physical quantities such as temperature, pressure and acceleration in a high-temperature environment; and the functionally graded material packaging structure is used for buffering thermal expansion mismatch under the conditions of high temperature and strong thermal cycle and integrally packaging the subsystems.

This application relates to the field of drive technologies, and discloses a control method, a device, and a readable storage medium. In the method, when detecting that at least one actuator line in an SMA actuator is disconnected, an electronic device may control, through at least a part (referred to as a target actuator line below) of non-disconnected actuator lines, a carrier of the SMA actuator to move relative to a fastening part, where a direction of a resultant force of the target actuator line acting on the carrier is the same as a direction in which the carrier is driven to move. In this way, even if an actuator line in the SMA actuator in the electronic device is disconnected, the electronic device may drive, through non-disconnected actuator lines, the carrier to move.

The application discloses a kind of solid waste-based heat storage and system of local collaborative response of frequency fluctuation of power grid, wherein, the method comprises: S1: implanting high-temperature heat-conducting material based on solid waste inside heat storage, and the high-temperature heat-conducting material is morphologically characterized and thermophysical property is tested;S2: establish high-frequency sampling circuit, collect power grid frequency fluctuation signal, and obtain voltage and current information;S3: based on the voltage and current information, calculate the real-time frequency f of power grid, frequency deviation Δf and frequency change slope Δf / t;S4: according to the calculated frequency change slope Δf / t, adjust the working mode of heat storage;S5: according to the entered response mode, generate corresponding automatic generation control power instruction;S6: according to the calculated heat storage surface temperature change trend and its distribution, adjust AGC instruction: if heat storage surface temperature change rate is greater than the set threshold, then increase AGC instruction;Otherwise, decrease AGC instruction.

This invention relates to a machine (1) for converting thermal energy from free thermal deposition into electrical energy. The machine utilizes the magnetic phase transition properties of a specific material under temperature variations relative to its Curie temperature (Tc). The machine includes a magnetocaloric converter (2) having a fixed stator (S) and a movable rotor (R). The fixed stator (S) has an actuating element (4) made of the material, and the movable rotor has magnetic poles (5) and non-magnetic poles (5'). The machine includes a closed fluid loop (6) for heat transfer fluid connected via heat exchangers (E1, E2) to two heat sources (S1, S2) at different temperatures (T1, T2) and to the stator (S) to transfer the collected thermal energy to the actuating element (4). A synchronization system allows the actuating element (4) to undergo alternating thermal cycles to create a permanent magnetic imbalance between the rotor (R) and the stator (S), and to generate motion of the rotor (R) that produces mechanical energy that can be converted into electrical energy. The converter (1) can also be operated in reverse, i.e., as a magnetic cooling generator.

Embodiments of the present disclosure relate to a method of configuring a wireless device, a corresponding wireless device and a base station. A wireless device comprises an energy harvester and an energy storage, the energy harvester and the energy storage operating in a series of energy harvesting cycles in order to alternately harvest and release energy to power the wireless device. The wireless device further comprises a processing circuitry and a wireless communication circuitry. The method of configuring a wireless device comprises a first step in which the base station receives from the wireless device a signal indicating that the wireless communication circuitry enters a reception mode of operation. In a second step, the base station sends configuration data to the wireless device. The received configuration data is temporarily stored in a memory area of the wireless communication circuitry. In a third step, the temporarily stored configuration data is sent from the wireless communication circuitry to the processing circuitry for storage in a memory area. The second and third steps are performed during different energy harvesting cycles of the wireless device.

A liquid sensor includes a light receiver configured to receive light. The light receiver is attachable to an outside of an accommodation unit into which a liquid is introduced and which has translucency. The light receiver receives light that has passed through the liquid in the accommodation unit or light reflected by the liquid, and outputs a signal related to a physical quantity of the liquid.

The invention relates to a high-efficiency magnetocaloric generator (1) comprising a set of porous active elements (2) made of MMC material, and a magnetic arrangement (3). The magnetic arrangement (3) comprises two superimposed magnetic rotors, including an external magnetic rotor (4) and an internal magnetic rotor (5) defining an air gap (E) between them and having the same number of magnetic poles (PM). The set of active elements (2) includes a stator (30) disposed in said air gap (E), the active elements (2) extending axially within said stator (30) allowing bidirectional axial circulation of a heat transfer fluid between a hot end (EC) and a cold end (EF) of said generator. The external magnetic rotor (4) is advantageously coupled on one side to an electrical machine (9) by a mechanical coupling, and on the other side to said internal magnetic rotor (5) by a magnetic coupling. Figure for the abstract: Fig1

An actuator assembly comprising: a support structure (4) comprising a first printed circuit board, PCB (10); an image sensor assembly (12) comprising a second PCB (9) and an image sensor (6) having a light-sensitive region (7), wherein the image sensor assembly (12) is supported on the support structure (4) to allow movement of the image sensor assembly (12) relative to the support structure (4); and an electrical interconnector (51) configured to electrically connect the first PCB (10) to the second PCB (9); wherein the first PCB (10) and the second PCB overlap (9) when viewed along at least one direction in the plane in which the first PCB (10) extends.