198 results about "Thermoelectric generator" patented technology

The invention discloses a PEMFC (proton exchange membrane fuel cell)-ORC (organic Rankine cycle)-TEG (thermoelectric generator) coupling-based waste heat utilization system and a coupling method. A PEMFC module, an ORC module and a TEG module are coupled; the system comprises a fuel cell, a TEG assembly, a condenser, a delivery pump, a pressure pump, a cooling water storage tank, an evaporator, an expansion machine, a filter, a humidifier, an ejector, a compressor and an electromagnetic valve. Heat carried by cooling water in the PEMFC cooling system is used as a main energy source for waste heat recovery. As the heat taken away by the cooling water is far greater than the directly discharged waste heat, the cooling water has higher enthalpy value and excellent heat recovery potential. By constructing a reasonable heat recovery path and a heat exchange network, the waste heat gradient utilization efficiency can be remarkably improved, and the higher primary energy utilization rate is achieved. And efficient recovery and gradient utilization of the waste heat of the PEMFC are realized.

The invention provides a fault diagnosis method and system for a thermoelectric unit control system, and the method comprises the steps: firstly collecting a multi-source operation signal set in the operation of the thermoelectric unit control system, covering the output of each control module, the action of an execution mechanism, and the feedback signal of a monitoring node, and then mining the fault propagation characteristics of the multi-source operation signal set, generating a fault propagation time sequence causal chain, inverting a fault propagation trajectory for the abnormal operation signal sequence based on the fault propagation time sequence causal chain, generating a potential fault root cause set according to the fault propagation trajectory, and performing dynamic intervention deduction on each potential fault root cause in the set; and generating an intervened signal sequence, performing correlation matching on the intervened signal sequence and the reference signal sequence, determining a target fault root cause, and outputting a fault diagnosis result, thereby realizing accurate diagnosis of the thermoelectric unit control system fault, and ensuring stable operation of the system.

A downhole tool, a well system, and a method are provided. The downhole tool, in one aspect, includes a downhole feature, as well as expandable metal positioned proximate the downhole feature, the expandable metal configured to expand in response to hydrolysis. The downhole tool, in accordance with this one aspect, may further include a first electrode coupled between the expandable metal and a first terminal of a thermoelectric generator, the first electrode configured to provide a voltage to the expandable metal to increase or decrease a rate of reaction of the hydrolysis, and a second electrode coupled between the downhole feature and a second terminal of the thermoelectric generator, wherein the thermoelectric generator includes a hot side thermal conductor and a cold side thermal conductor separated by a thermoelectric module, the thermoelectric module including a plurality of n-type semiconductors and p-type semiconductors connected with each other.

An information handling system may include a processor, a data storage device, a power management unit, a thermo-haptic mouse, including an array of thermoelectric generators of a thermo-haptic module to selectively heat or cool a portion of the thermo-haptic mouse to be felt by a user of the thermo-haptic mouse, and a piezoelectric actuator of the thermo-haptic module to selectively apply a vibration to the portions of the thermo-haptic mouse to be felt by the user of the thermo-haptic mouse, and the processor executing code of a mouse training machine learning system to: receive, as training input, captured images during the execution of a gaming application and provide, as output, image recognition dataset descriptive of recognized game action event environmental data during execution of the gaming application, the image recognition dataset to be used by the processor executing a thermo-haptic feedback model evaluation system to provide thermo-haptic signals to the array of thermoelectric generators and the piezoelectric actuator to provide thermo-haptic feedback commensurate with the game action event environment during game play.

The invention provides an AR-based thermoelectric unit fault visual diagnosis method and system, and the method comprises the steps: obtaining a thermoelectric unit operation data set, constructing an AR three-dimensional scene model containing a virtual part model and a spatial position association relation, carrying out the fault feature extraction of the thermoelectric unit operation data set, and carrying out the fault feature extraction of the AR three-dimensional scene model; the method comprises the steps of obtaining a fault feature set reflecting equipment operation state abnormity, performing space mapping on the fault feature set and an AR three-dimensional scene model, and generating fault visualization information which is superposed on the surface of a virtual component model and comprises abnormity type identification, influence range and development trend description; according to the method, the AR interaction device performs interaction diagnosis operation on the fault visualization information, including checking of abnormal parameters, simulation of fault isolation and generation of processing suggestions, so that visual and accurate diagnosis of the faults of the thermoelectric unit is realized, and the fault processing efficiency and convenience are improved.

The present application relates to the technical fields of iodine removal of crude salt, and discloses a high-efficiency and energy-saving iodine removal device for crude salt, which comprises a salt dissolving pool assembly, a reagent tank assembly, a reaction tank assembly, a combustion tank assembly and an adsorption tower assembly, mainly solves the problems of low iodine removal efficiency and high energy consumption in the prior art, by injecting fresh brine into the salt dissolving pool, driving the ultrapure water metering pump to dilute, opening the stirring motor to disturb and pre-oxidize the brine, driving the hydrochloric acid metering pump to adjust the pH of the brine, driving the water inlet pump to inject the brine into the reaction tank, adding hydrogen peroxide by the hydrogen peroxide metering pump, opening the ultrasonic vibrator and the aeration ring, and through the synergistic effect of cavitation and micro-bubble aeration, the oxidation reaction is strengthened, the oxygen generated by the reaction is transported to the combustion chamber to mix and burn with hydrogen, the heat energy generated by the combustion is converted into electricity by the thermoelectric generator to supply power to the ultrasonic vibrator, the ultrapure water in the cold liquid cavity absorbs the waste heat to warm up and preheat the salt dissolving, and after the oxidation reaction is completed, the brine is collected into the adsorption tower assembly for adsorption, so that the content of iodine in the crude salt is efficiently removed.

This invention belongs to the field of thermoelectric thin film technology, specifically relating to the preparation of a high-density domain-structured flexible silver telluride thin film and its reversible thermoelectric performance control method. The film possesses a high-density strip-like domain structure with numerous twins and stacking faults. The high-density domain boundaries provide a large number of ultra-highly active sites, allowing for wide-range reversible control of thermoelectric performance through simple post-processing methods, such as oxidation annealing, chemical and physical deposition of nano-metal particles. The high-density domain-structured silver telluride thin film prepared by this invention uses a silver film prepared by magnetron sputtering as a precursor, reacting it with tellurium vapor in a tube furnace to generate a dense thin film. The preparation method is simple, low-cost, highly reproducible, and operates at a low reaction temperature, making it suitable for large-scale preparation and compatible with flexible substrates such as polyimide. The high thermoelectric performance and reversible control characteristics of this film are of great significance for applications in high-performance flexible thermoelectric generators and multifunctional sensors.

The utility model discloses an SOFC (Solid Oxide Fuel Cell) power generation system taking biomass as a raw material, which comprises a downward moving bed, a catalytic reformer, an SOFC electric pile, a first combustor, a second combustor, a thermoelectric generator, a second separator and a compressor, and the downward moving bed comprises an organic matter feed port and a catalyst feed port. According to the utility model, organic matters are subjected to catalytic cracking and catalytic reforming, so that the organic matters are converted into micromolecular hydrogen and CO, and the micromolecular hydrogen and CO are used as fuel of the SOFC for power generation in the SOFC; a solid product obtained by cracking is combusted, and heat generated by combustion is used for power generation, so that the utilization rate of chemical energy in organic matters is increased.

The utility model provides a temperature difference change generator, which comprises a main body and a water inlet II, the right side of the upper end of the main body is provided with a water inlet I and a water inlet II, the water inlet I and the water inlet II have the same specification, and the outer side of the main body is provided with a group of frames for limiting the position of the main body. Compared with the prior art, the thermoelectric power generation device has the advantages that external water is led into the thermocouple and the condenser through the first water inlet and the second water inlet respectively, the two sets of water are heated and cooled, the temperature of the two sets of water is lowered, and the temperature of the two sets of water is lowered. The cold water is guided into the cold and hot temperature difference box I and the cold and hot temperature difference box II through a hot flow guide pipe and a cold water guide pipe, and temperature difference changes are generated in the cold and hot temperature difference box I and the cold and hot temperature difference box II, so that thermoelectric generators in the cold and hot temperature difference box I and the cold and hot temperature difference box II generate thermoelectric electromotive force of semiconductors and generate power; compared with single cold and hot temperature difference box power generation, power generation efficiency and power generation capacity can be effectively improved.

The application provides an embedded substrate, comprising: a wafer in a dielectric material of the embedded substrate; a thermoelectric generator arranged beside the wafer in the dielectric material, and a p-type electrode and an n-type electrode of the thermoelectric generator being connected in series. The embedded substrate provided by the application improves the heat dissipation of the embedded substrate.

This utility model relates to the field of organic solid waste treatment technology, and in particular to an aerobic fermentation waste heat recovery system. The aerobic fermentation waste heat recovery system includes a feeding device, a fermentation device, and a heat recovery power generation device. The heat recovery power generation device includes a heat collection unit and a thermoelectric generator unit. The heat collection unit is inserted into the chamber and directly contacts the material to collect the heat generated during fermentation and transfer it to the thermoelectric generator unit, which converts the heat into electrical energy. Because the heat collection unit can directly contact the material, it can directly and efficiently capture the heat generated by microbial fermentation inside the pile, reducing heat loss during the transfer process. The aerobic fermentation waste heat recovery system achieves heat collection and electrical energy conversion solely through the cooperation of the heat collection unit and the thermoelectric generator unit, eliminating the need for complex steam collection pipes, plate heat exchangers, and water-vapor separators, resulting in a simpler overall structure and reducing the difficulty and cost of system installation, disassembly, and daily maintenance.

A device (1) for rapidly transferring thermal energy from a thermal energy source (A) to a destination point (B) at a rate higher than the convection and heat transfer capacity of adjacent means 2 and for capturing said thermal energy point or surface, wherein a thermoelectric conversion means located at the destination point B can convert the thermal energy into electrical energy with zero emissions harmful to the environment and living things. The thermal energy is transferred by a coating 4 composed of a plurality of nanometric layers with atoms forming a regular geometric structure (Figure 1). The present invention also relates to a device for the transfer of thermal energy having multiple layers of carbonaceous material on a planar or non-planar (three-dimensional shape), opaque, transparent or translucent, rigid or semi-rigid substrate of fabric, metallic or non-metallic or flexible material, having flexible but not opaque, transparent or translucent natural or synthetic fibers. The present invention also includes a method for manufacturing a device (10 or 10a) for the rapid transfer of thermal energy. The method comprises at least one deposition step of at least one layer (12, 12a-12b-12c-12d, etc.) of a carbonaceous material having a regular geometric structure on a support substrate (11 or 11a) in an environment (110) of a deposition machine (100), the environment being vacuum-packed under controlled temperature and pressure conditions and isolated from the external environment, the deposition being performed along a direction perpendicular or locally radial to a plane or shape substantially defined by the support substrate (11 or 11a). The present invention also relates to an integrated system for generating electrical energy using said device coupled to a possible generator other than a renewable energy source of thermoelectric generator, photovoltaic and / or thermoelectric-photovoltaic and / or motive power type, all used jointly for the supply of an electrical load.

A multi-layered thermal protection structure for hypersonic vehicles and its fabrication method are disclosed, relating to the field of hypersonic vehicle thermal protection technology. The structure comprises, from the outside in, a C / SiC composite material layer, a vacuum buffer layer, a white calcium carbonate layer, a solar cell module, and a thermoelectric generator. Through a five-layer synergistic design, multi-dimensional protection is achieved: the C / SiC composite material layer directly resists extreme high temperatures and ablation; the vacuum buffer layer blocks solid-state heat conduction, reducing heat transfer inwards; the white calcium carbonate layer reflects radiant heat, reducing heat input; and the solar cell module and thermoelectric generator convert residual heat into electrical energy, actively consuming heat. This integrated "blocking-reflection-conversion" design improves thermal protection efficiency by more than 40%, enabling the internal structure temperature to be controlled within a safe range of ≤100℃ even in extreme environments of 2000℃-3000℃. This invention achieves a comprehensive balance of high-temperature resistance, ablation resistance, low thermal conductivity, and high toughness.

Peltier Cooling System for the Environment of a Lubricated Bearing Enclosure Wall. The invention relates to a cooling system (2) for the environment of a lubricated bearing enclosure wall (17) of an aircraft turbomachine, comprising: a lubricated bearing enclosure (16), delimited by an outer wall (17); and at least one electrically powered Peltier module (26) comprising a cold plate (30) and a hot plate (31), one of these plates being placed against the outer face (19) of said outer wall. The plate placed against the outer wall is the hot plate when the enclosure is an upstream bearing enclosure (21), and the cold plate when the enclosure is a downstream bearing enclosure. The Peltier module can be electrically powered by a Seebeck-effect thermoelectric generator. Figure to be published with the abstract: Figure 2

The invention provides a self-luminous vehicle logo control method based on environmental energy collection and storage. The method comprises the following steps that S1, a solar panel, a vibration energy collector and a thermoelectric generator which are connected in parallel are used for supplying power to a dual-mode energy storage system; s2, a dual-mode energy storage system is used for storing electric energy and supplying power to the flexible light-emitting display unit, and the dual-mode energy storage system is formed by connecting a super capacitor and a miniature lithium battery in parallel; s3, performing ambient light induction and energy management by using an ambient light induction module and an energy management module of the intelligent control module; and S4, the flexible light-emitting display unit is used for providing a light source for the vehicle logo identification. The vehicle logo has the advantages that self-continuous light emitting and intelligent environment adaptation of the vehicle logo are achieved, and the energy-saving performance and reliability of the vehicle logo are improved.

The invention discloses an air drying device used for a fused salt heat storage system and an air intake and exhaust method, and belongs to the field of fused salt heat storage, the air drying device used for the fused salt heat storage system comprises a water removal chamber used for being communicated with outside air, and the water removal chamber is internally provided with a water removal assembly; the heating chamber is communicated with the water removal chamber, is used for being communicated with a fused salt pipeline through a connecting pipeline and is used for forming an external pressure difference at the two ends of the air drying device; one end of the thermoelectric generator is used for being connected with the fused salt pipeline, and the other end of the thermoelectric generator is used for being in contact with outside air, so that the two ends of the thermoelectric generator generate temperature difference; the thermoelectric refrigerating unit is electrically connected with the thermoelectric generator, the cold end of the thermoelectric refrigerating unit is connected with the water removal chamber, and the hot end of the thermoelectric refrigerating unit is connected with the heating chamber, so that the internal pressure difference of the air drying device is formed between the heating chamber and the water removal chamber. The self-adaptive air intake and exhaust switching device has the technical effects that self-adaptive air intake and exhaust switching can be conveniently realized, and intervention of a control system is not needed.

To provide a thermoelectric generator system in which cooling efficiency of a cooling fin is improved and power generation efficiency is excellent.SOLUTION: A thermoelectric generator system including a thermoelectric generator that generates power by a plate-shaped thermoelectric element 1 includes: a thermoelectric generator having a heat source 3 that heats one surface of the thermoelectric element 1 and a plurality of air-cooled cooling fins 2 that cool the other surface of the thermoelectric element; and an exhaust tube 4 that is configured to blow inflow air 5 to the cooling fin, extends in a vertical direction, extends in an upper direction, and collects and discharges exhaust air after cooling.SELECTED DRAWING: Figure 3

The application discloses a kind of distributed multi-mode self-powered trigger sensors for intelligent fluid heating system, belong to fluid heating intelligent control technical field.The sensor is arranged in the outer wall of fluid pipe behind each water point faucet, and the energy is generated spontaneously using the energy of fluid in pipe and environment, only detects hot water enable state and sends unique water point ID to central control unit, does not collect, does not transmit water temperature, flow and any data.The sensor includes TEG thermoelectric generator unit, button type supercapacitor energy storage unit, low-power BLE 5.0 wireless communication unit, heat-sensitive trigger unit, can be adapted to multiple self-powered modes, only wakes up when triggered, completely powered off in non-trigger state, free wiring, maintenance-free, adapt to all kinds of fluid heating equipment, with strong practicability and landing.

The application provides a radiation refrigeration, solar power generation and thermoelectric power generation integrated system, and relates to the technical field of power generation integrated systems.The system comprises a plurality of single subsystems and an angle controller, each of the subsystems comprises a radiator, a thermoelectric generator and a solar cell, the radiator at the upper side acts as a cold end, the solar cell at the lower side acts as a hot end, and the thermoelectric generator is arranged between the radiator and the solar cell; the angle controller controls the pitch angle and the azimuth angle of the subsystem according to the solar zenith angle in use, so that the solar energy reflected by the radiator in each subsystem is transmitted to the solar cell in the next subsystem for collection. Through the integration of radiation refrigeration, solar cells and thermoelectric generators, on the basis of collecting the reflected radiation of the radiation refrigeration by the solar cell, the waste heat on the side of the solar cell and the cold quantity on the side of the radiation refrigeration are further effectively utilized through thermoelectric conversion, and the overall energy utilization efficiency of the system is improved.

1. Name of the product in this design: Track Thermoelectric Generator Cart. 2. Purpose of this design: For use in teaching demonstrations and experiments. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a numerical simulation method and device and a structure optimization method. The method comprises the following steps: determining parameters of a geometric structure of the surface shape thermoelectric generator, and constructing a geometric model of the surface shape thermoelectric generator; constructing a material attribute function corresponding to the temperature-related material corresponding to the geometric structure, and associating the material attribute function with the corresponding geometric structure; drawing grids for the geometric model by adopting a first predetermined method in combination with the physical field; globally defining output characteristics of the geometric model, and calculating by adopting a second predetermined method to obtain a temperature field and current field distribution rule of the geometric model; and performing parametric simulation on the output characteristics according to the distribution rules of the temperature field and the current field to obtain the optimal output power and the optimal energy conversion efficiency corresponding to the geometric model under the current working condition. Thus, the optimal output power and the optimal energy conversion efficiency can be simulated only by changing the parameters of the geometric structure, the working efficiency is high, the simulation and analysis workload is small, and operation of multiple tasks is facilitated.

Energy recovery unit (8) for use in a vehicle exhaust system, the energy recovery unit comprising: an inlet (24) for receiving exhaust gas from the exhaust system; an outlet (26) for returning exhaust gas to the exhaust system; several thermoelectric generators arranged between the inlet and the outlet; and a gas pipe network connected to the inlet and the outlet, the gas pipe network comprising a first line and a second line extending between the inlet and the outlet and arranged along corresponding opposite ends of the several thermoelectric generators; wherein a generator axis (T) extending perpendicular to a heat exchanger surface of at least one of the several thermoelectric generators is inclined with respect to a longitudinal axis (L) of the energy recovery unit.

The invention aims to provide a multi-objective optimization method for an integrated energy power generation device, and belongs to the field of distributed power generation. Setting a working current, an air excess ratio of the solid oxide fuel cell and a fuel utilization rate to obtain an initial constraint condition; the variables meeting the independent variable constraint conditions take the system efficiency and the return cycle of the comprehensive energy power generation device as optimization target values, and take the inlet and outlet temperature difference of the proton exchange membrane electrolytic cell, the air inlet flow of the solid oxide fuel cell and the inlet flow and temperature of the thermoelectric generator as constraint values. And performing non-dominated sorting on the variables in the initial population, and calculating the congestion degree. And obtaining a crossover and mutation solution through variation crossover according to the crowding degree of the individual. And obtaining a new population according to an elitism strategy. And outputting the Pareto optimal solution set until the number of iterations is reached. According to the method, multi-target optimization of the comprehensive energy power generation device can be realized, and the output Pareto optimal solution can provide theoretical and method support for actual operation of the comprehensive energy power generation device.

The invention discloses a deep sea in-situ gas-electricity conversion device based on an ROV, and relates to the technical field of deep sea energy collection, the deep sea in-situ gas-electricity conversion device comprises a main body frame, and a methane cabin, a combustion cabin, an oxygen supply device, a thermoelectric generator and an electric energy collection device which are arranged on the main body frame, an inlet of the methane cabin is communicated with an outlet of the methane collecting device, an outlet of the methane cabin is communicated with the combustion cabin, the oxygen supply device is used for supplying oxygen into the combustion cabin, a hot connector of the thermoelectric generator extends into a cavity of the combustion cabin, a cold connector of the thermoelectric generator extends out of the combustion cabin, and the thermoelectric generator is electrically connected with the electric energy collecting device. In-situ combustion utilization after methane gas in-situ collection operation can be achieved, combustion heat energy is converted into electric energy to be stored or used for in-situ utilization, energy loss caused by transportation operation is reduced, and the energy utilization efficiency is improved.

This utility model relates to the field of gas stoves, and discloses an automatic gas valve structure for a gas stove thermoelectric generator. It includes a thermoelectric generator unit, an electromagnetic valve mounted on the gas inlet pipe of the gas stove, a trigger switch located below the rotary switch of the gas stove, and a small blower mounted on the air inlet pipe of the gas stove. A guide hole is provided on the stove surface. The trigger switch includes an upper movable rod slidably fitted within the guide hole and a bracket located below the stove surface. Initially, the upper end of the upper movable rod contacts the rotary switch. A lower fixed rod, coaxial with the upper movable rod, is mounted on the bracket. A lower contact piece is located at the upper end of the lower fixed rod, and an upper contact piece is located at the lower end of the upper movable rod. When the user uses the gas stove, pressing the rotary switch allows the upper and lower contact pieces to make conductive contact. The upper and lower contact pieces form a closed switch, which is connected in series with the gas stove's battery, which powers the electromagnetic valve.

A thermal fan 1 comprises a base section 2 which locates onto a heated surface, and a central body section 3 which extends upwards. A thermoelectric generator 5 is located between the base and central

A natural gas processing system is mounted on a mobile platform that is transported to a natural gas source, such as a well. The system supplies natural gas to operate multi-fuel engines for wellfield equipment such as pumps, compressors, and drills. A liquid drain discharges contaminants. A water separator and a particulate filter remove particulate matter and liquid contaminant matter from the natural gas. A thermoelectric generator powered by the natural gas supplies process electricity. A process control monitors and controls the natural gas processing system, including pressure, temperature, moisture, and flow sensors. A gas chromatograph will determine the chemical composition of the natural gas. An emergency shutdown system will halt the process in the event of high liquid levels, a gas leak, fire, or gas composition out of specification, to include: H2S, H2O, Percent Mole Composition (BTU), Pressure, Temperature, and Flow Rate.

The invention relates to an AlGaN deep ultraviolet LED waste heat recovery system based on water evaporation power generation. The AlGaN deep ultraviolet LED waste heat recovery system is characterized in that a heat source module is formed by welding and packaging AlGaN deep ultraviolet LED chips arranged in an array on a metal substrate; a thermoelectric generator of the thermoelectric conversion module is connected with the metal substrate through a heat conduction material; a porous radiator of the heat dissipation and evaporation power generation module is connected with the cold end of the thermoelectric generator; the energy collection circuit is electrically connected with the thermoelectric generator and the water evaporation power generation module. The problem of thermal failure of the deep ultraviolet LED under a high-power working condition is perfectly solved, and an innovative solution with efficient thermal management and energy recovery is provided for electronic equipment in an extreme environment.