129 results about "Thermoelectric generator" patented technology

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.

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 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.

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 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

The invention discloses a thermoelectric decoupling control method for a thermoelectric unit and a computer system, and belongs to the technical field of thermoelectric units, and the method specifically comprises the steps: S1, obtaining the limited data of the heat supply load of the thermoelectric unit, and determining the matching deviation condition with the heat supply demand based on the analysis result of the limited data of the heat supply load; s2, according to the matching deviation condition of the heat supply load and the heat supply demand in the weather type, the heat supply shortage time period in the weather type is determined, and the weather type needing to conduct heat storage and treatment through the heat supply pipe network is determined; s3, on the basis of the composition data of the pipe network heat storage weather type in the weather type with the insufficient heat supply period and in combination with the change type of the insufficient heat supply period of the weather type which does not belong to the pipe network heat storage weather type, when it is determined that the heat storage capacity interval can be adjusted, the heat storage capacity interval can be adjusted. The adjustment result of the pipe network heat storage weather type is determined according to the adjustment matching degree of the capacity control interval under different weather types, and the service life of the heat storage device is prolonged.

The application discloses a heat dissipation system and electronic equipment. The heat dissipation system comprises a thermoelectric generator arranged at a heat generating part of an electronic equipment to be cooled; and a cooling member arranged to cool the electronic equipment to be cooled; wherein the thermoelectric generator is electrically connected to the cooling member to provide electric energy to the cooling member.

A thermoelectric generator for a turbine engine is provided. The turbine engine can include a core having a casing surrounded by an engine cowl. The thermoelectric generator is attached to or formed integrally with the casing. The thermoelectric generator includes a power generation module formed by a plurality of thermocouples that utilize a temperature differential between a hot side and a cold side of the casing to generate electrical power. In one aspect, an electrically insulative layer is positioned between the casing and the power generation module. In another aspect, the thermoelectric generator includes a phase change material pack that includes an inner layer and an outer layer, the power generation module being positioned between the inner layer and the outer layer. In other aspects, the thermoelectric generator can be additively manufactured on the casing or another structural component of the turbine engine.

This application relates to a self-powered vacuum thermos flask and method based on wireless transmission, belonging to the technical field of vacuum thermos flasks. It includes an outer liner and an inner liner disposed within the outer liner. A weighing sensor is disposed below the outer liner and electrically connected to a display screen. A closed water tank is disposed inside the outer liner. Several thermoelectric generators are disposed between the closed water tank and the inner liner. An electric motor is disposed between the outer liner and the inner liner, and the electric motor is electrically connected to the thermoelectric generators. A magnetic rotor is connected to the drive shaft of the electric motor. A base is integrally disposed at the bottom of the outer liner, and a power generation component is disposed within the base. The power generation component includes a generator, a first adsorption rotor, a boost module, and a rechargeable battery. This application has the advantages of convenient use, reduced resource waste, and energy conservation and environmental protection.

The invention discloses a self-powered sports protector based on composite energy collection and intelligent scheduling, and belongs to the technical field of wearable equipment and energy collection. The protector comprises a flexible base body, a composite energy collection module, an energy management circuit, a customizable function module and an intelligent control unit. The composite energy collection module is mainly composed of a flexible temperature difference power generation unit, efficiently captures the temperature difference between the skin of the human body joint part and the environment during movement and converts the temperature difference into electric energy; and a piezoelectric or triboelectric nano generator can be integrated to capture motion mechanical energy, so that thermoelectric-mechanical electric composite energy is formed. The problem that a traditional intelligent protector depends on an external power source is solved, multiple requirements can be met through modular design, building of a joint health digital model is supported based on continuously-collected data, and jumping from intelligent protection to a personal exercise health management platform is achieved.

This invention discloses a water cup equipped with a multi-mode power supply for a global satellite navigation system locator, belonging to the field of smart wearable and positioning technology. The water cup includes a cup body and a lid. The lid integrates a positioning module and a multi-mode power supply module. The power supply module includes a rechargeable battery, an external power receiving element, a solar panel, a thermoelectric generator, and an auxiliary circuit board. The auxiliary circuit board performs multi-source complementary power supply according to a preset priority strategy and the availability of various energy sources: prioritizing the use of high-priority energy sources and managing battery charging and discharging; initiating battery replenishment when high-priority energy power is insufficient; and providing independent power from the battery when external energy fails. Simultaneously, a low-battery protection and intelligent recovery mechanism is set: entering a low-power mode when the battery voltage is below a threshold; and automatically recovering when the voltage recovers or high-priority energy is sufficient. This invention improves the battery life and operational reliability of the positioning water cup in complex environments, making it suitable for outdoor sports, emergency rescue, and other scenarios.

The invention discloses a high-integration handheld thermoelectric power generation device, and belongs to the technical field of new energy and emergency power supply. The device adopts an integrated suitcase type integrated design, and mainly comprises a combustion heating module, a thermoelectric power generation module, an electric energy conversion module, a dual-display control module and a load output module. A double-layer stainless steel cavity of the combustion heating module is used for combusting biomass fuel; the hot end of the thermoelectric power generation sheet clings to the outer wall of the cavity to absorb heat, and the cold end dissipates heat through the ceramic cooling fin and the fan, so that the Seebeck effect is utilized to generate power; the electric energy conversion module boosts and stabilizes the generated low-voltage power into 5V direct current for output; the dual-display control module monitors and displays the combustion temperature and the output voltage in real time; and the load output module provides various protected interfaces for supplying power to external equipment. According to the invention, heat-electricity conversion, power supply management and state monitoring are highly integrated in the portable box body, and the portable power supply box is especially suitable for micro-power power supply requirements in outdoor emergency, camping and other commercial power-free environments.

The application provides a wearable thermoelectric generator with a self-healing function and a preparation method thereof, the preparation method adopts aluminum chloride solution as a dopant, and the thermoelectric performance of two-dimensional transition metal disulfide nanosheets is improved through electronic structure regulation. Since the S atoms on the surface of the disulfide are negatively charged, and the aluminum ions are positively charged, the positive and negative attract each other, so that the aluminum ions bind adjacent different disulfides together, thereby having better electrical properties. Even if a small amount of aluminum chloride solution is added, the electrical conductivity and the Seebeck coefficient can be simultaneously improved, the thermoelectric power is increased by 14 times compared with before modification, and better stability in temperature and relative humidity is maintained. Then, the n / p type thermoelectric material after modification is used to form a flexible thermoelectric device with a self-healing function. By using human heat, the device achieves an output voltage of about 15 mV, which is obviously improved compared with existing two-dimensional transition metal sulfide-based thermoelectric wearable devices, and is an important step for realizing practical application.

An aircraft propulsion system includes a core engine that includes a core flow path through a main compressor where an inlet airflow is compressed and communicated to a combustor to generate an exhaust gas flow that is expanded through a main turbine section to generate mechanical power to drive the main compressor and a propulsive fan, a cryogenic fuel system that includes a cryogenic fuel storage tank, a fuel flow path for routing a cryogenic fuel flow to the combustor of the core engine, and a thermoelectric generator that is in thermal communication with the cryogenic fuel flow and a heat source to generate a temperature differential across the thermoelectric generator utilized to generate electric power.

A thermoelectric generator substrate includes: a flexible substrate including an insulating base material and a metal layer; and a cell substrate portion, wherein the cell substrate portion includes a strip-shaped first beam portion, a strip-shaped first leg portion whose one end is coupled to one end of the first beam portion and extends toward a center of the first beam portion, a strip-shaped second leg portion whose one end is coupled to the other end of the first beam portion and extends toward the center of the first beam portion, a first contact portion coupled to the other end of the first leg portion and in contact with a heat source, and a second contact portion coupled to the other end of the second leg portion and in contact with the heat source, and the first leg portion and the second leg portion are configured to deform and erect by widening an interval between the first contact portion and the second contact portion.

This invention relates to the field of heat pump technology, specifically to a dual-heat pump system. This application aims to address the limitation of traditional vapor compression heat pumps in application scenarios. To this end, the dual-heat pump system of this application includes: a thermoelectric generator, comprising a cold-end heat exchanger, a first hot-end heat exchanger, and a second hot-end heat exchanger, the first and second hot-end heat exchangers capable of heat exchange; a first outdoor heat exchange section that exchanges heat with the cold-end heat exchanger; a compressor that is circulatedly connected to the first hot-end heat exchanger; a throttling element located between the compressor's suction port and the first hot-end heat exchanger; an intermediate heat exchanger having a first heat exchange flow path and a second heat exchange flow path, the first heat exchange flow path located between the compressor's suction port and the throttling element; a first indoor heat exchange section that exchanges heat directly or indirectly with the second hot-end heat exchanger, and the second indoor heat exchange section that exchanges heat with the second heat exchange flow path. This application can improve the system's applicability and operating efficiency, enabling the system to operate over a wider temperature range.

Systems and methods for generating electrical power from marine environment thermal gradients. The systems and methods include a buoyancy-driven submersible designed to harness ocean thermal gradients to produce electrical power using thermoelectric generators and phase change materials. The buoyancy-driven submersible is configured to travel vertically in reciprocating motion across a temperature gradient between different depths of a body of water along a cable.

Apparatus and associated methods relate to a thermoelectric device having a superconducting generator ring. In an illustrative example, a thermoelectric device may include a differential generator supply and a thermoelectric generator ring. The thermoelectric generator ring, for example, may be configured to generate an electric current based on a differential temperature received from the differential temperature supply. For example, the thermoelectric generator ring may include a number of thermoelectric coupons forming a ring on a horizontal plane. Each of the thermoelectric coupons may include an n-type impurity diffused silicon semiconductor (IDSS) and an p-type IDSS. For example, the impurities may be distributed in the IDSS at a predetermined concentration distribution, at which a forward bias voltage of the IDSS is below a predetermined target voltage (e.g., 20 mV) Various embodiments may advantageously generate a low-voltage loss high electric current based on an applied temperature differential at the thermoelectric coupons.