Independent circulation thermal electrical pump for heating systems
SUBSTANCE: thermal electric pump comprises a feed pipeline (1) with thermoelectric unit (3), connected with electric wiring to an inverter (4), battery (5) and pump motor (6) mounted in pipeline (2). Block (3) consists of two semi-cylindrical shells with longitudinal slots in which ongitudinal ribs are inserted. Inside ribs over their entire length, zigzag rows are placed consisting of sequently plaved and interconnected thermionic converters consisting of a pair of segments made of different metals. The segments ends are flattened, tightly pressed against each other and located near the edges of the ribs pressed against the heating zone to the pipeline section (1) surface and in the cooling zone. The zigzag rows free ends of each rib pair at one end in the cooling zone are connected by bridges, and on the opposite are interconnected in the cooling zone through the condensers, forming thermoelectric sections. The condensers are connected through their bridges in series with each other, forming a thermoelectric unit provided with current terminals with the like charges, connected with wiring to inverter (4).
EFFECT: increased efficiency and reliability of the heating system.
FIELD: power industry.
SUBSTANCE: invention relates to thermoelectric energy conversion. Essence of the invention: the method of fabrication of the structure used for manufacture of the thermoelectric generator includes the joint formation of at least one strip from the material of n-type and at least one strip from p-type material in one process operation and formation of connections at least between one strip from n-type material and at least one strip from p-type material by means of strips from the conducting material. The structure doesn't contain polymeric substrates.
EFFECT: effective method of creation of high-quality thermoelectric generator with high energy density.
15 cl, 2 dwg
SUBSTANCE: invention is related to the sphere of thermoelectric power conversion. Essence of the invention: thermoelectrical module (1) has inner peripheral surface (2), axis (3) and outer peripheral surface (4). In direction of axis (3), between inner peripheral surface (2) and outer peripheral surface (4) there is multitude of semiconductor elements (5) with thermoelectrical material (6), which are interconnected by pairs. At least part of semiconductor elements (5) has at least one inner frame part (7). Inner frame parts (7) form inner intermittent peripheral surface (2). Inner peripheral surface (2) forms cold side (27) of thermoelectrical module (1). At inner intermittent peripheral surface (2) there is shell with unstable shape (14).
EFFECT: improved stability, efficiency factor, and simplified design.
10 cl, 4 dwg
SUBSTANCE: invention relates to thermal electricity. The invention concept is as follows: thermoelectric element is equipped with at least one thermocouple (1), which has n-doped and p-doped thermocouple wires (3a, 3b) made of semiconductor material. The thermocouple wires (3a, 3b) lie between hot and cold sides (19, 20) of the thermoelectric element. The thermoelectric element includes a carrier (8), at that the carrier (8) has the first part (10) and the second part (11) with high thermal conductivity. The first and second parts (10, 11) of the carrier are separated from each other by a section (12) having thermal conductivity less than conductivity of the parts (10, 11). The thermocouple wires (3a, 3b) at the carrier (8) lie between the first and second parts (10, 11) of the carrier and cover the section (12) with less thermal conductivity. One of the carrier parts (11) forms the hot side while the other part of the carrier (10) forms the cold side of the thermoelectric element. The thermocouple wires (3a, 3b) are deposited to the substrate (2) with low conductivity. The substrate (2) with surface having thermocouple wires (3a, 3b) is imposed to the carrier (8).
EFFECT: high specific power rating at sufficient mechanical stability.
19 cl, 7 dwg
SUBSTANCE: invention relates to a thermoelectric generator. Essence: thermoelectric device (1) includes one module (2) with the first base layer (3) and the second base layer (4), intermediate space (5) between the first base layer (3) and the second base layer (4), electrically insulating layer (6) on the first base layer (3) and the second base layer (4) on their side facing to intermediate space (5) and multiple semiconductor elements (7) alloyed with impurities of p-type and alloyed with impurities of n-type, which are located in alternating sequence in intermediate space (5) between electrically insulating layers (6) and electrically connected in turn to each other. At least some part of the semiconductor elements has an annular shape or a shape of an annular segment, and is connected to electrically insulating layer (6) with its inner side surface (9) and outer side surface (8) that is larger than inner side surface (9). Semiconductor elements (7) are electrically connected to each other on electrically insulating layer (6) with solder metal (10). Semiconductor elements (7) with different contact surfaces (15, 16) have equal current-transferring platforms.
EFFECT: providing similar transient resistances; reducing defectiveness.
11 cl, 7 dwg
SUBSTANCE: device relates to cooling and heat removal systems, for example to devices for cooling of electronic equipment components. The device includes a light-emitting thermal module with line location of p-n-junctions, which provides reception of cold and light radiation, and solar batteries converting radiation energy to electric energy. As semiconductor branches of p-type and n-type of the thermal module there have been chosen such materials that the moving flow on one of the joints will form radiation, and absorption of heat energy will be performed on one of joints according to Peltier effect. Solar batteries with mirror electrodes consist of p-layer and n-layer and are located parallel on both sides of the thermal module.
EFFECT: increasing energy effectiveness of a cooling system.
FIELD: power industry.
SUBSTANCE: invention relates to thermoelectric energy conversion. Essence of the invention: a module includes several in-series electrically connected thermoelectric elements, which consist at least of one n-layer and at least of one p-layer from thermoelectric material with formation at least of one p-n-junction formed along a boundary layer. Parallel to the boundary layer between hot and cold ends of each thermoelectric element there can be applied a temperature gradient. A substrate and thermoelectric elements are made using separate processes. Thermoelectric elements are bonded to pre-structured, thermally and electrically conductive sections of the substrate by means of different adhesives for cold and hot ends of each thermoelectric element.
EFFECT: reduction of resistance of electric closing of contacts of individual thermoelectric elements and improvement of their thermal connection to a heat sink or a heat source.
9 cl, 5 dwg
SUBSTANCE: claim describes electric energy generating device (1) using waste gas (2) heat formed during operation of a combustion engine (3), the device includes a generator (4) with inlet (5) and outlet (6) for waste gas and a heat exchange section (7) between them with a variety of flowing channels (8) for waste gas (2), which are surrounded at least partially by thermoelectric cells (9) connected by a heat-conducting connection to the cooler (11) by their side (10) faced away from the flowing channels (8).
EFFECT: improvement of electric energy generation.
13 cl, 9 dwg
SUBSTANCE: invention relates to the field of thermal electricity. The invention concept is as follows: insulating substrate (12) is equipped with the first (18) and second (20) junction areas. At the substrate (12) there is the first formed assembly of conductor or semiconductor elements (14) passing in parallel and in the first direction from the first (18) junction area up to the second (20) one. At the other side of the substrate (12) there is the second assembly of or semiconductor elements (22) insulated electrically from the first assembly and passing in the direction opposite from the first direction, from the first junction area (18) up to the second (20) one. In the junction areas (18, 20) the electrical connecting elements (24) connect the elements (14) and (22) of the first and second assemblies. Two elements (14, 22) of the same assembly are separated in preset direction at the preset average distance (d1, d2) in the junction areas (18, 20). The average size (P) of the connecting elements (24) in the preset direction is bigger than a maximum value of average distances (d1, d2) between elements of the same assembly. The distance (E) in the preset direction between edges of two connecting elements (24) is less than minimum values of average distances (d1, d2) between elements of the same assembly.
EFFECT: simplifying the construction and improving reliability.
6 cl, 6 dwg
SUBSTANCE: invention refers to thermoelectric devices. The invention concept is as follows: the method includes manufacturing of rods of thermoelectric material by hot extrusion. Thereafter lateral side of rods is treated. Water paint compound with fluorine rubber is applied to the rod lateral sides by means of cathodic or anodic electrodeposition in order to obtain a protective polymer coating. Then the rods are washed and cured thermally. The rods are cut in order to obtain semiconductor paths of the preset length. Antidiffusion metal coating is applied to butt ends of the obtained semiconductor paths so that the edge touches the protective polymer coating without crossing it. The single- or multi-cascade thermoelectric module contains semiconductor paths of N- and P-conductivity so that they are located in parallel and do not tough each other. Semiconductor paths of N- and P-conductivity are manufactured as per the method specified above.
EFFECT: improving chemical, thermal and mechanical resistivity, providing high adhesion and elasticity for polymer coating of thermoelectric paths.
9 cl, 11 dwg
SUBSTANCE: thermoelectric device (100) includes a combination of thermoelements (60, 62) and thermomagnetic elements (65) and can be used together with the pyrrometallurgical processing plant (20), operation of which excites a magnetic field.
EFFECT: more electrical energy generated, higher efficiency of the electrolysis cell owing to generation of electrical energy using lost diffusion heat, while simultaneously increasing efficiency of heat recuperation due to magnetic field effects and improved control of formation of a frozen layer in an electrolysis cell for producing aluminium.
11 cl, 2 dwg
FIELD: engines and pumps.
SUBSTANCE: at least in one first liquid circuit, one second liquid circuit and one third liquid circuit, where the first heat exchanger is provided for heat exchange between liquid of the first liquid circuit and the liquid of the third liquid circuit, where the second heat exchanger is provided for heat exchange between liquid of the second liquid circuit and liquid of the third liquid circuit, where in each case one thermoelectric element is located between heat exchange zones of the first heat exchanger and between heat exchange zones of the second heat exchanger.
EFFECT: creation of a simpler thermoelectric heat pump.
14 cl, 3 dwg
FIELD: power industry.
SUBSTANCE: hot water supply (HWS) method involves water supply to heat pump system (HP), its heating to the specified temperature by means of HP and supply of heated water to consumers. Each HP is used as stage of subsequent heating with heat pump cycle close to triangular Lorentz cycle by choosing the temperature of water supplied to be heated in HP of the first stage, and by adjusting each HP to condensation temperature of its working medium considering the heat released with this stage. All operations of HWS method are used in heating method. Heated water is supplied to consumption system in which it is supplied depending on ambient air temperature with the help of regulator(s) by connecting in the room the heating appliance and/or air heat exchanger, where it is cooled with ambient air to the temperature chosen for this cycle and supplied to be heated in HP of the first stage, and heated air is supplied to the room.
EFFECT: inventions allow improving technical and economic efficiency due to operation in the chosen cycle using almost all the HP heat, due to efficient use of heat of the heated room and owing to possibility of operating for heating without HP overload.
6 cl, 6 dwg
SUBSTANCE: invention concerns heating devices and can be applied in domestic use. Thermoelectric heat pump for domestic heating includes heated flowing heat exchanger, thermoelectric module battery, cooled flowing heat exchanger, and heat-proof case. Heat pump is installed between direct and return pipes supplying and retrieving heat carrier to heating radiator over double-pipe heating system. Both heat exchangers feature partitions dividing heat carrier flow and distributing it regularly over the whole space of heat exchangers. Heating radiator temperature adjustment is performed by bimetal relay installed directly on heating radiator.
EFFECT: enhanced efficiency of central heating system utilisation due to the use of heat carried away by heat carrier to return pipe and further to boiler plant, resulting in electric power saving on temperature adjustment in apartment heating radiators.
FIELD: gas-turbine engine engineering.
SUBSTANCE: method comprises expanding air with lowering its temperature below the temperature of the ambient air, heating it from the external air, compressing up to the initial pressure, and removing heat in the feeding heat exchanger. Downstream of the heat exchanger, the air with initial parameter is supplied to the receiver wherein a given pressure and temperature is maintained. The heat is removed at a constant temperature in the receiver.
EFFECT: enhanced efficiency.
FIELD: refrigeration and cooling equipment, particularly heat pumps, cooling machines and heat converting means.
SUBSTANCE: heat pump comprises compression device, compression cylinder, adjacent vessel, working agent circulation pump, heat-exchangers for medium to be cooled and medium to be heated, shutoff valves forming closed loop for working agent circulation. The adjacent vessel is made as a cylinder divided with piston located in independent heat-exchanger. The first compression cylinder, the first shifting choke, adjacent vessel, the second shifting choke, the second compression cylinder, the third and the forth shifting chokes connected in parallel are included in the loop. Two oil circulation high-pressure and low-pressure pumps are connected in parallel between the third and the forth shifting chokes. Check valves are linked with outlets of oil circulation pumps. One part of loop space including interiors of adjacent vessel, the first and the second shifting chokes and part of compression cylinder volumes is filled with working agent. Another part of loop space including interiors of circulation pumps and the third and the forth shifting chokes and another parts of compression cylinder volumes is filled with oil. Compression vessel heat-exchangers are built in circulation loop in which medium to be cooled is circulated. Adjacent vessel heat-exchanger is included in loop in which medium to be heated is circulated. The loops are filled with heat-carrier medium.
EFFECT: increased heating factor.
SUBSTANCE: the thermocompressor, with gas in its working medium, is used for transfer of heat of the cycles of successive compression and expansion as in thermocompressors operating according to the reversible Stirling cycle. The cylinder side surfaces consists of alternating surfaces made of various materials with a low and high heat conductivity. From the end faces the cylinder is closed by covers with openings for exit of flanges shifted relative to the center, and is provided with an inner structure consisting of angle pieces fastened at the end faces by flanges, and in pairs spring-loaded extractable radial blades sliding on the inner generating line of the cylinder and on the guides formed by fastened angle pieces. The blades separate the common formed by fastened angle pieces. The blades separate the common inner space of the cylinder into several isolated spaces, which at rotation of the inner structure axis relative to the central axis of the cylinder get compressed near the heat-conducting wall-cooler and get expanded near the opposite heat-conducting wall-heater. The atmospheric air may be used as the working medium.
EFFECT: enhanced efficiency of the thermodynamic cycle.
FIELD: metallurgy; metallohydride alloys for thermal pumps, air-conditioners, cold generators.
SUBSTANCE: proposed metallohydride pair of alloys contains low-temperature and high-temperature alloys; low-temperature alloy has composition mm1-xLaxNi4CO(0.1≤x≤0.999) and high-temperature alloy has composition LaNi5-xAlx (0.001≤x≤0.5).
EFFECT: increased cold generating capacity of thermal pump at pressure in system not below atmospheric.
2 tbl, 1 ex
SUBSTANCE: thermoelectric device for the thermal exposure on an individual's hand comprises a temperature stimulus. Thermoelectric modules of the thermoelectric stimulus are integrated into a flexible elastic base with mounting holes and connected to a programmable power supply by electric leads. The mounting holes are arranged as a line along the base length. On the periphery, the base has a sticky tape and is configured as two cloths of synthetic elastic material sewed together with a kaprone thread along the perimeter of the mounted thermoelectric modules at 2-3 mm from the border. A portion of the cloth extends on the surface of the thermoelectric modules with covering 2-3 mm of the latter along the perimeter. Inner junctions of the thermoelectric modules face the individual's hand and brought into a thermal contact with a flexible thermally aligning plate through heat transfer paste. Outer junctions of the thermoelectric modules contact the flexible metal plates through the heat transfer paste. The metal plates are used as a heat pick up and sewed to the base angularly with the kaprone thread. From the side of the outer joints of the thermoelectric modules, in the entire area the base is brought into a tight mechanical contact with a cuff tubed with a pump, an operation of which is adjusted by a control unit.
EFFECT: using the invention enables simplifying the device design and reducing its dimensions and weight.