362 results about "Thermoelectric converter" patented technology

An energy recovery system for hybrid automobile. The energy recovery system generates electricity by utilizing the temperature difference between a high temperature thermal medium and a low temperature thermal medium. As the high temperature thermal medium, engine coolant for cooling an engine is used. As the low temperature thermal medium, pump refrigerant for cooling by a heat pump is used. The heat pump maintains the pump refrigerant at a low temperature by using heat from the engine coolant. Therefore, while electricity is reliably generated at a thermoelectric converter, energy is efficiently used for cooling the pump refrigerant.

A thermal plasma generator may be used in conjunction with at least one thermal to electric converter, such as a solid state thermal to electric energy to electric converter. A micropipe heat pump extracts heat from the at least one thermal to electric energy device, which in turn may convert the heat into electrical power. The power generation system may be disposed within a vehicle, and provide electrical power for propelling the vehicle.

The invention discloses a structure of a film thermoelectric converter based on a bi-material microcantilevel and a fabricating method thereof. The film thermoelectric converter mainly comprises a heating resistor 1, the bi-material microcantilevel 2 and a sealing ring 3. The principle of the bi-material microcantilevel measuring the temperature of the heating resistor 1 is similar to the principle of the traditional bi-metal temperature sensor, and heat of the heating resistor 1 after the temperature rises leads the temperature of the bi-material microcantilevel 2 to rise through ways of convection, radiation, or heat exchange and the like. Because heat expansion coefficients of two materials made into the bi-material microcantilevel 2 are different, the deflexion at the free end or the strain at the root part of the bi-material microcantilevel 2 is changed, and the temperature information of the heating resistor 1 can be obtained after the shape change of the bi-material microcantilevel 2 is detected by a detection element 9. The film thermoelectric converter based on the bi-material microcantilevel 2 has high sensitivity of measuring the heating resistor 1 by using the bi-material microcantilevel 2, little heat of transmitting to an underlayer through a bi-material microcantilevel temperature sensitive element, and small error of converting alternative current and direct current; meanwhile, the heating resistor can be flexibly designed.

The electronic component with heat transfer by boiling and condensation comprises heat exchange surfaces immersed in a heat conducting fluid constituted by the free ends of nanowires of a thermoelectric converter. An electrically insulating coating material with a low thermal conduction partially covers the nanowires above the heat conducting fluid. Each nanowire forms a thermocouple composed of two coaxial branches made from materials of different natures separated by a layer of electrically insulating material and electrically connected individually to the free end of the nanowire.

An electrical power supply device is for an endoscope having a scope for insertion into the body of a subject. The electrical power supply device includes a temperature controller and a thermoelectric converter. The thermoelectric converter controls the temperature of the interior of the scope. The thermoelectric converter generates electricity based on the difference in temperature between the body interior of the subject and the interior of the scope.

This invention relates to a Pa-type CoSb3-base thermoelectric converting device including: a Mo-Cu alloy electrode at an end of high temperature, a welding layer of the high temperature end, a diffusion blocking layer, thermoelectric pins, a metal layer, a welding layer and an electrode of the low temperature end, in which, the thermoelectric pins are made of P or N-type CoSb3-base thermoelectric material and are connected with the Mo-Cu alloy electrode into one unit by the welding layer of the high temperature end to form a high temperature end, the low temperature end of the pins are connected with the electrode of its end by the metal layer and the welding layer of the low temperature end, which utilizes a SPS quick welding technology to realize heat match as much as possible and no obvious crack exists at the high temperature end.

A thermoelectric converter is disclosed which includes a body and an extension member. The body includes a plurality of dissimilar thermoelectric elements in an array. The body also includes a first substrate with a first electrically conductive pattern portion that is electrically connected to the plurality of dissimilar thermoelectric elements. Also, the body includes a second substrate with a second electrically conductive pattern portion that is electrically connected to the plurality of dissimilar thermoelectric elements. The extension member includes an extension pattern portion that is electrically connected to at least one of the first and second electrically conductive pattern portions. The extension member extends away from the body.

A thermoelectric converter including plural thermoelectric conversion modules connected in series by having p-type semiconductors and n-type semiconductors alternately provided in through holes of a ceramic honeycomb, respectively. Ends of the p-type semiconductors are connected to ends of the n-type semiconductors on both sides of the through holes.

An infrared sensor including a substrate, a plurality of infrared detection pixels arrayed on a substrate with each of the infrared detection pixels including an infrared absorption portion formed over the substrate and configured to absorb infrared radiation, a thermoelectric converter portion formed over the substrate and configured to convert a temperature change in the infrared absorption portion into an electrical signal, and support structures configured to support the thermoelectric converter portion and the infrared absorption portion over the substrate via a separation space, the support structures having conductive interconnect layers configured to deliver the electrical signal from the thermoelectric converter portion to the substrate. The infrared sensor further includes a pixel selection circuit configured to select at least one of the infrared detection pixels which delivers the electrical signal and an output circuit configured to output the electrical signal delivered from selected infrared detection pixels via the conductive interconnect layers. The conductive interconnect layers include a material the same as a material of gate layers of the MOS transistors, and have a thickness similar to the gate layers.

This invention discloses a method for generation with the waste heat of the engine vent-pipe and a device, in which, the device is a pipe, the pipe wall is the principle part of the converter, the middle is the channel of the pipe, the outer layer is set with a cooling end, the internal wall is set with heat absorption end, the current output terminals are connected with the both ends, the high temperature absorption end is put into the vent-pipe directly to absorb heat fully and the car and air are used to cool down the low temperature end of the converter to form a temperature difference by high temperature and natural air to finish the generation function.

A computer includes a motherboard, a heat-generating device mounted on the motherboard, a heat-conducting device attached to the heat-generating device for absorbing heat energy generated from the heat-generating device, and a thermoelectric converter coupled to the heat-dissipating device for converting the heat energy into electric energy for recycling use. The heat-conducting device includes a heatpipe. The heatpipe contains a working fluid, which has nano-sized particles therein. The nano-sized particles may be composed of carbon and/or a metallic material. The computer may include a heat-conducting plate interposed between the heatpipe and the heat-generating device. The thermoelectric converter may include a circuit with two strips connected in series, the strips each being formed of a different kind of thermoelectric metal. Corresponding ends of the two strips would be coupled to the heat-conducting device so as to receive heat energy therefrom.

A thermoelectric converter comprises a thermoelectric element assembly (10) composed of an array of P-type thermoelectric elements (12) and N-type thermoelectric elements (13) in a predetermined array pattern and heat-exchange element assemblies (20, 30) composed of heat-exchange elements (22, 32) and holding boards (21, 31) holding heat-exchange elements (22, 32) so as to hold the heat-exchange elements (22, 32) in a predetermined array pattern corresponding to the array pattern of the thermoelectric elements (12, 13). After stacking the thermoelectric element assembly (10) and the heat-exchange element assemblies (20, 30), joint portions between the thermoelectric element assembly (10) and the heat-exchange element assemblies (20, 30) are jointed with a jointing member at a time.

The invention relates to a clearance type sealing Stirling thermoelectric converter supported by adopting plate springs. The clearance type sealing Stirling thermoelectric converter comprises a hot cylinder, a compression cylinder and a linear alternating current generator which are fixedly connected through a flange, wherein the interior of the hot cylinder is sequentially sleeved with a heat exchanger and an expansion cylinder towards the center, and an expansion piston is arranged in the expansion cylinder; the expansion piston is sleeved on an expansion piston rod; and an inner cavity of the expansion piston is provided with a plurality of groups of supporting flexible plate springs which are respectively sleeved on limit pipes on the inner wall of the expansion piston and the expansion piston rod for positioning so as to ensure that clearance sealing structures are radially formed between the expansion cylinder and the expansion piston and the expansion piston and the expansion piston rod. According to the clearance type sealing Stirling thermoelectric converter, the non-contact type clearance sealing structures are realized by adopting the flexible plate spring supporting systems, and meanwhile, the rigidity requirement of a generator active cell oscillation system can be met, so that the structural characteristic of no abrasion after long-term running of moving components is realized so as to guarantee the long service life and the high rigidity of the Stirling generator.

The invention discloses an engine residual heat power generation module which comprises a gas pipeline, a thermoelectric converter layer and a cooler layer, wherein an energy storage device layer is further arranged between the gas pipeline and the thermoelectric converter layer. The invention simultaneously discloses an engine residual heat power generation device, which at least comprises two stages of the engine residual heat power generation modules; and the gas pipelines, the thermoelectric converter layers and the cooler layers of the adjacent two stages of the engine residual heat power generation modules are communicated. The engine residual heat power generation module can absorb residual heat of exhaust gas and produce the temperature difference in the engine residual heat power generation module, and a thermoelectric converter can utilize the temperature difference for completing the power generation function. The use of the engine residual heat power generation module can improve the thermoelectric conversion efficiency of the thermoelectric converter, the use is convenient and the manufacture is simple.

The thermoelectric material is represented by the following composition formula of (Tia1Zrb1Hfc1)xAyB100-x-y, in which element A is at least one element selected from the group consisting of Ni and Co, element B is at least one element selected from the group consisting of Sn and Sb, 0<=a1<=1, 0<=b1<=1, 0<=c1<=1, and a1+b1+c1=1 hold, and 30<=x<=35 and 30<=y<=35 hold, and the thermoelectric material comprises a phase having an MgAgAs type crystal structure as a major phase. In this thermoelectric material, the density of the thermoelectric material is more than 99.0% of the true density. When this thermoelectric material is used for either one or both of p-type elements and n-type elements, a thermoelectric conversion device having high thermoelectric conversion performance is realized.

The present invention provides one micro space generation module with photoelectric converter, thermoelectric converter and plasma-to-electricity converter integrated together, and the module has deposited photoelectronic film and hot ion emitting film, semiconductor photoelectronic element and other micro cell module units. The micro space generation module can realize excellent stepped energy utilization and may be used in various fields, especially as the high efficiency and long life cell for micro space craft and other effective load after being provided with isotope fuel. It may be used in desert and other places with rich solar energy, and may be miniaturized for use in micro electromechanical system.

A thermoelectric converter including p-type semiconductors and n-type semiconductors alternately provided in corresponding first and second through holes, respectively, in a ceramic honeycomb. The first and second through holes have different cross-sectional shapes and are alternately arranged. The semiconductors have respective first and second ends thereof successively connected to different ones of the semiconductors on first and second sides, respectively, of the corresponding through holes.

The invention discloses a temperature detecting fire alarm device made of thermoelectric materials, comprising a thermoelectric converter, a signal processing circuit and an alarm, wherein the thermoelectric converter is used for converting variation of the ambient temperature into voltage signals and outputting the voltage signals to the signal processing circuit; the signal processing circuit is used for filtering and comparing the received voltage signals and then driving the alarm to ring, thus realizing alarm on fire; and the alarm is used for sending out an acousto-optic signal to promote alarm. The thermoelectric converter adopts the structure of concatenated thermoelectric pairs. Each group of thermoelectric pairs 5 is equal to a small power supply and that the output voltage is obtained through repeated addition of the voltage of each small power supply can be known according to the power supply concatenation rule in the circuit, thus the fire alarm device is environmentally friendly, without needing transmission parts, and has small system volume and wide temperature application range.