605 results about "Scroll compressor" patented technology

The invention provides a permanent magnet motor and a scroll inverter compressor, and relates to the technical field of scroll compressor design and manufacturing, and the permanent magnet motor comprises a stator iron core and a rotor iron core; the stator core comprises stator teeth and a stator yoke which are uniformly distributed along the circumference, fluid through grooves are formed in the outer side of the stator yoke at the tops of the stator teeth, stator grooves are formed in two adjacent stator teeth and the stator yoke between the two stator teeth, and a plurality of strands of conductive circular enameled wires are embedded in each stator groove; the outer side of the rotor core is composed of linear segments and arcs, air grooves which are evenly distributed are formed in the rotor core, non-uniform magnetic isolation bridges are formed between the air grooves and the linear segments on the outer side of the rotor core, a certain distance is formed between every two adjacent air grooves, parallel magnetic conductive ribs are formed, and permanent magnets with the magnetic field directions changing alternately are embedded in the air grooves. A rivet hole, a lightening hole and a shaft hole are arranged close to the inner side of the rotor core. Therefore, the defined proportionality coefficient Ks is kept in a reasonable range, the power density of the motor can be increased, the cost is reduced, and the efficiency is improved.

The invention relates to the technical field of compressors, and discloses a scroll compressor shafting dynamic balance simulation method, device and equipment and a medium, and the method comprises the following steps: carrying out fluid mechanics analysis based on a movable scroll plate model to obtain initial three-way gas force; performing dynamic analysis based on a scroll compressor model by taking the initial three-way gas force as a boundary condition to obtain a displacement result of a movable scroll plate; inputting the displacement result into the movable scroll plate model, updating the position and the motion state of the movable scroll plate, and carrying out fluid mechanics analysis again to obtain a new three-way gas force; and performing dynamic balance optimization on the scroll compressor model by taking the new three-way gas force as a boundary condition until a preset condition is met, and obtaining a target dynamic balance result. According to the technical scheme, the precision of dynamic balance simulation of the shaft system of the scroll compressor can be improved, and therefore the product reliability is improved through optimization of dynamic balance.

The invention provides a scroll compressor cross ring dynamic strain wireless measuring device, which relates to the technical field of compressor state monitoring and comprises a high-temperature-resistant strain gauge, a wire fixing system and a wireless sensor. Wherein the high-temperature-resistant strain gauges are respectively attached to stress sensitive areas of a static key, a ring beam and a movable key of the cross ring every time; the wire fixing system comprises a three-stage fixing structure formed by an adhesive, an internal wire, an external wire and an internal binding post; the three stages of fixing structures are a strain gauge end fixing structure, a lead transition section fixing structure and a binding post end fixing structure in sequence; the high-temperature-resistant strain gauge is connected with the wireless sensor through an internal wire, a binding post and an external wire, and continuous signal collection is achieved. By implementing operation according to the technical route, the impact load borne by the cross ring at the moment of starting and stopping of the compressor can be collected in a high-quality mode, data collection in a closed cavity is achieved, and an experimental basis is provided for subsequent strength design of the cross ring.

The utility model relates to a cross slip ring assembly and a scroll compressor. According to one aspect of the utility model, the utility model provides a cross-shaped slip ring assembly, the cross-shaped slip ring assembly is used for a scroll compressor, and the cross-shaped slip ring assembly comprises a cross-shaped slip ring body; the key extends from the cross-shaped sliding ring body and is used for being matched with a key groove formed in a key matching part of the scroll compressor, the key comprises a matching part used for being matched with the key groove, the matching part is provided with a working surface serving as a stress side surface, and the stress side surface is provided with a stress side surface. A groove is provided only at the working surface among the working surface of the mating portion and a non-working surface opposite to the working surface. According to the utility model, the abrasion of the working surface of the matching part of the key of the cross slip ring assembly can be reduced.

An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the electric compressor from the discharge volume.

A scroll compressor includes a first scroll including a first end plate and a first scroll wrap extending downward from the first end plate; a second scroll including a second end plate and a second scroll wrap extending upward from the second end plate, the second scroll and the first scroll cooperating to form a compression chamber for compressing a refrigerant; a motor; a driving member located below the second scroll, the motor driving the first scroll to rotate through the driving member, and the first scroll driving the second scroll to rotate; and a bracket, the driving member being rotatably supported on the bracket. This structure can improve the performance of the scroll compressor.

The invention relates to the field of scroll compressor design, and discloses a full-meshing double-vortex-ring scroll compressor diffusion hole machining design method which comprises the steps of constructing an initial design domain, defining a multi-working-condition working point set and a fluid dynamic control equation determined by compressor operation parameters to construct a multi-working-condition analysis model, establishing a solid isotropic material penalty model, and designing a diffusion hole of a full-meshing double-vortex-ring scroll compressor according to the solid isotropic material penalty model. Multi-working-condition robustness topological optimization with the total pressure loss weighted sum under all the weighted working conditions as the target is executed, a discrete pseudo-density field is obtained, parameterized geometric reconstruction is conducted on the discrete pseudo-density field, and a diffuser hole parameterized geometric model controlled by parameter vectors is obtained. By introducing multi-working-condition robustness topological optimization and integrated dynamic machining constraint linkage re-optimization, remarkable robustness of aerodynamic performance of the diffusion hole in a wide working range is achieved, it is ensured that the diffusion hole meets the high-quality and high-efficiency numerical control machining requirements congenitally, and the design efficiency and manufacturing feasibility of the diffusion hole of the scroll compressor are greatly improved.

The utility model relates to an electric compressor and water heating heater integrated mechanism for a new energy vehicle, which relates to the technical field of automobile part production, and comprises an electric scroll compressor body and a water heating electric heating assembly, and the electric scroll compressor body and the water heating electric heating assembly are respectively and fixedly arranged on a two-in-one controller. According to the electric scroll compressor, the electric scroll compressor body, the water heating electric heating assembly and the two-in-one controller are integrated into the same structure, a traditional split type installation mode is broken through, redundant space occupation among components is reduced, compact layout is achieved, meanwhile, through double-face installation and a base limiting structure, three-dimensional compact layout is further achieved, and the electric scroll compressor is more compact in structure. The limited vehicle body space requirement of the new energy vehicle is met; and the shell, the connector and other components are shared, the overall size is reduced by about 30%-40% compared with a split type scheme, and a layout space is vacated for a battery pack or other key components.

The present application provides a spiral compressor comprising: a movable spiral disk; a fixed spiral disk, wherein the fixed spiral disk has a base plate and a spiral wall arranged on the base plate; and a housing arranged on the side of the base plate facing away from the spiral wall.The housing comprises a first chamber having a first opening on the bottom surface of the housing facing the base plate, this first opening being covered by the base plate to form an injection chamber connected via an injection port on the base plate to the compression chamber, which is formed by the movable spiral disk and the fixed spiral disk and corresponds to the intermediate pressure stage, the first chamber being connected to the injection port of the scroll compressor, wherein a check valve is arranged in the first chamber, which releases the flow in the direction from the injection port to the injection chamber and prevents backflow. The present application also relates to a corresponding heat pump device. The advantage of this application lies in its ability to form an injection chamber for a scroll compressor with a simple structure and a small number of components.

Provided is a scroll compressor capable of handling operation at higher efficiency and higher compression ratio. In an area of at least one of an end face (11aa) of a scroll tooth side of a fixed scroll end plate (11a) or an end face (12aa) of a scroll tooth side of a revolving scroll end plate that does not serve as a compression chamber, a slope (11aa(s), 12aa(s)) having an angle with the end face (12aa) of the scroll tooth side of the scroll end plate is provided. Thus, contact of burrs generated at a rim portion of a discharge port (14) or a sub-discharge port (14a) with a front end of a scroll tooth is eliminated, the operation of a revolving scroll (12) is stabilized, and a scroll compressor with high efficiency and high reliability can be provided.

The application provides a device for mounting a scroll compressor crankshaft rotor assembly into a compressor, comprising a frame, a lower part of the frame is fixed with a positioning disc, a scroll compressor pump shell assembly with a stator is mounted on the positioning disc; a jacking shaft is arranged on the lower part of the frame; a guide block capable of lifting is arranged on the upper part of the frame, the bottom of the guide block is provided with a plurality of guide spacers; the crankshaft rotor assembly is located above the scroll compressor pump shell assembly and is connected with a rotor lifting device for driving the lifting of the crankshaft rotor assembly; after the spacers enter the stator, the crankshaft rotor assembly is lowered and passes through the hole of the crankshaft rotor assembly to enter the stator, and under the guidance of the spacers, the top of the jacking shaft which has been lifted is contacted, the jacking shaft is lowered until the crankshaft rotor assembly is completely entered into the stator, and the mounting is completed. The application no longer adopts the free-fall type assembly of the rotor, but adopts the slow descending mode of the jacking shaft to mount the rotor, so that the damage of the parts is prevented.

A scroll compressor including a hermetic casing provided with a suction inlet; a compression unit; a drive shaft configured to drive an orbiting scroll of the compression unit in an orbital movement; an electric motor coupled to the drive shaft; an oil sump; a refrigerant guiding device configured to force a main part of a refrigerant, entering the scroll compressor through the suction inlet, to flow downwardly through the electric motor, before reaching the compression unit; and an oil sump fairing arranged between a lower end of the electric motor and a free surface of oil stored in the oil sump, the oil sump fairing being configured to prevent a refrigerant flow, emerging from the lower end of the electric motor, to directly impact the free surface of the oil stored in the oil sump.

The invention provides a scroll compressor with a self-aligning-free structure and an assembling method, and relates to the technical field of scroll compressors and assembling methods. The scroll compressor comprises a shell, an upper support and a scroll assembly, wherein the upper support and the scroll assembly are arranged in the shell; the vortex assembly comprises a fixed vortex and a movable vortex, an annular boss is arranged on the outer edge of the fixed vortex in the circumferential direction, an annular concave table is arranged on the outer edge of the upper support in the circumferential direction, and the fixed vortex is installed on the upper support through clearance fit between the inner circle face of the annular boss and the outer circle face of the annular concave table of the upper support. Concentric positioning between the fixed vortex and the upper support is achieved. The assembly efficiency of the compressor is improved on the basis that the vortex assembly of the vortex compressor is free of alignment during installation; and a positioning and aligning mode is adopted, so that the compressor is more stable in structure, and the operation stability of the compressor is improved.

The utility model relates to the technical field of compressors, in particular to a static scroll plate for an exhaust port of a compressor, an exhaust cavity communicated with high-pressure airflow is arranged on the outer side of a molded line part of the static plate, and a one-way valve assembly for exhausting the high-pressure airflow and a filtering oil return assembly for filtering oil gas in the high-pressure airflow are arranged in the exhaust cavity. The scroll compressor has the beneficial effects that the exhaust cavity is directly connected with the static scroll plate, so that the purposes of forming vertical exhaust flow and greatly reducing airflow pulsation are achieved, oil gas in airflow is recovered by matching with closure of the one-way valve assembly, forming noise reduction and buffering on the airflow and matching with the filtering oil return assembly, the stability of the exhausted airflow is further improved, and the service life of the scroll compressor is prolonged. And meanwhile, oil liquid can be conveniently recycled, and the stability of discharged high-pressure airflow is greatly improved.

This scroll compressor (1) comprises a housing (6), a drive mechanism (10), a first screw (30), a second screw (40), and a discharge mechanism (20). An intake connection path (69) is formed in the housing (6). Furthermore, a pressure accumulator (15) is housed in the housing (6). The pressure accumulator (15) is connected to the intake connection path (69). Refrigerant is drawn into the pressure accumulator (15) from an outer surface of the housing (6) through the intake connection path (69). The pressure accumulator (15) is fixed to the first screw (30) to allow it to rotate within the housing (6).

A compressor coupling component includes a planar main body with a first, front side and a second, rear side opposite the first side, a cylindrical coupling neck, wherein the cylinder axis of the cylindrical coupling neck runs perpendicularly to the plane of the planar main body, and the cylindrical coupling neck protrudes from the planar main body in the axial direction, a counterweight, is integrally formed on an outer region of the planar main body, and protrudes beyond the planar main body in the axial direction on the rear side of the planar main body, wherein the planar main body has opposing outer edge regions which extend as far as ends of the counterweight which oppose each other in the arc direction of the counterweight, and run linearly in the manner of increasingly spaced-apart V-legs.

A scroll compressor includes a compressor housing, a scroll support attached to the compressor housing, an injection conduit, and an orbital motion scroll member and a non-orbital motion scroll member intermeshing to form a compression chamber within the compressor housing. The scroll compressor also includes a suction inlet, a medium injection inlet, and a discharge port disposed in the compressor housing, respectively. The compression cavity is configured to suck in from the suction inlet and discharge to the discharge outlet. The injection conduit extends from the medium injection inlet through the scroll support and the non-orbital motion scroll member to a medium injection port. A heating, ventilation, air conditioning, and refrigeration system includes a refrigerant circuit including a condenser, at least one expander, an evaporator, and a scroll compressor in fluid connection.

The application relates to the field of compressors, and discloses a high-pressure oil-free scroll compressor and a driving mechanism thereof, which comprises a driving mechanism, a belt pulley, a driving disc b and a fixed disc, the rotating central shaft of the belt pulley is fixedly connected with a driving main shaft, the surface of the front end of the driving main shaft is provided with a driving main shaft eccentric section, the outer surface of the driving main shaft eccentric section is in contact with a driving disc a, driving disc bearings are arranged at the four corners of the driving disc a and the driving disc b, an eccentric pin shaft sleeve is arranged on the inner wall of the driving disc bearing, and the inner side wall of the eccentric pin shaft sleeve is inserted with an eccentric pin through a flat key. In the application, the eccentric design of the driving main shaft makes the driving disc generate translational motion, two-stage compression is realized, the problem that the exhaust pressure of the oil-free scroll air compressor is difficult to reach above 1.2 Mpa is effectively solved, the demand of the rail transit, automobile braking and other industries for high exhaust pressure is met, and reliable air sources are provided for the industries.

The utility model discloses a horizontal scroll compressor, air conditioner and vehicle for vehicle, horizontal scroll compressor includes: compression part, and compression part includes compression cavity, oil separation shell, and oil separation shell is connected with compression part, and oil separation shell is equipped with oil separation chamber and oil storage chamber, oil separation shell is equipped with first groove body towards the side of static scroll, and static scroll seals first groove body, and oil separation shell is equipped with the first batten in first groove body, and the inner wall of first groove body and static scroll are limited to the oil outlet channel between first batten, and the oil inlet of oil outlet channel communicates with oil separation chamber, and the oil outlet of oil outlet channel communicates with oil storage chamber, and the oil outlet is located above the oil inlet, the utility model provides horizontal scroll compressor, and the oil outlet channel is by the inner wall of first batten, first groove body and static scroll and is commonly limited to, and the inner wall of oil outlet channel has enough strength.

The application discloses a scroll compressor with an oil return mechanism and belongs to the scroll compressor field, which comprises a compressor body, a static disc and a dynamic disc, the end of the compressor body is fixedly connected with the static disc, the compressor body is rotationally provided with the dynamic disc through a bearing and a crankshaft at one end close to the static disc, the side, away from the compressor body, of the static disc is provided with a high-pressure cavity, the high-pressure cavity is internally provided with an oil separator, and the compressor body is provided with a low-pressure cavity at the side of the dynamic disc. The first oil return channel and the throttle valve are arranged at the bottom of the high-pressure cavity, the second oil return channel is matched with the third oil return channel and the sealing channel, two oil paths are formed, the dead-zone lubricating oil can be introduced into the sealing groove by the pressure of the high-pressure cavity, the pressure at the bottom of the sealing strip is provided to lift the sealing strip, the sealing rubber strip is compressed, the sealing strip is tightly attached to the dynamic disc, the sealing property is improved, the leakage is reduced, and the compressor performance is improved.

The invention relates to the technical field of air conditioner compressors, in particular to an energy-saving electric scroll compressor with a motor connection and oil separation mechanism, comprising: a housing provided with an air inlet; the static scroll plate is provided with an exhaust port and an oil return port; the movable scroll plate is meshed with the static scroll plate, is driven by the driving assembly to move, and is provided with a central exhaust hole; one end of the exhaust valve plate is fixed on the static scroll plate, and the other end covers the exhaust port; a central cavity and a gas-liquid separation cavity are arranged on two inner sides of the end cover, an exhaust cavity is arranged at the top, and an oil storage and return cavity is arranged at the bottom; the central cavity and the gas-liquid separation cavity are communicated through a first channel; the gas-liquid separation cavity is communicated with the exhaust cavity through a second channel; the gas-liquid separation cavity is communicated with the oil storage and return cavity through a third channel; the central cavity is communicated with the oil storage and return cavity through a fourth channel; an air outlet is formed in the exhaust cavity; the exhaust port is communicated with the center cavity, and the oil return port is communicated with the oil storage and return cavity. The gas-liquid separation effect of the compressor can be effectively improved, and the energy consumption of the compressor is reduced.

This utility model relates to the field of scroll compressor technology, and more particularly to an integrated crankshaft structure and scroll compressor. The integrated crankshaft structure includes a crankshaft body, the end of which is mounted on the inner side of the moving disc hub of the scroll compressor's moving scroll disc; and a balance block portion integrally formed with the crankshaft body. The balance block portion extends between the moving disc hub and the upper frame of the scroll compressor, and an annular cavity is formed between the moving disc hub and the upper frame. When the crankshaft body rotates, the balance block portion moves within the annular cavity. This integrated crankshaft structure and scroll compressor can solve the problem of the large weight and stress fatigue of the balance block structure in existing scroll compressors.

The present application relates to scroll compressor technical field, specifically disclose a kind of scroll compressor and scroll tooth profile correction method.The scroll compressor includes: in static scroll and dynamic scroll compression process end, the first outer arc segment and the inner wall of dynamic scroll form first gap in the preset angle range of static scroll and dynamic scroll rotation, second outer arc segment and the inner wall of static scroll form second gap;In the process that static scroll and dynamic scroll exhaust, the third gap between first center head section and second inner arc segment, fourth gap between second center head section and first inner arc segment is formed.The scroll compressor in a certain angle range before gas compression end, the meshing gap of dynamic, static scroll starts from zero and increases, while reducing vibration noise, improve energy efficiency ratio, can solve the problem of tooth head correction arc starting position meshing interference, prolong the service life of the scroll compressor.

A counterweight (26) manufactured by an additive manufacturing process and comprising a mounting portion (28) having a first density and a mass portion (29) having a second density, the mass portion (29) being formed radially outside the mounting portion (28), wherein the first density of the mounting portion (28) and the second density of the mass portion (29) differ from each other, and wherein the mass portion (29) comprises at least a first section (29.1) having a first section density and a second section (29.2) having a second section density different from the first section density.

The invention provides an oil return pipe mechanism and a compressor. The oil return pipe mechanism comprises an oil return pipe, a supporting column, a spring, an activation valve plate and a fixed valve plate, and the oil return pipe is communicated with an upper support oil pool, a lower support oil pool and a bottom oil pool. The activation valve plate can slide and is initially attached to the fixed valve plate under the elastic force of the spring; when the pressure of the oil pool rises to a set value, the oil pushes and activates the valve plate to overcome the resistance of the spring, a corresponding oil return channel is opened, and redundant oil is guided back to the oil pool at the bottom. The upper support oil return pipe is opened preferentially to maintain the pressure of the backpressure oil groove, and the lower support oil return pipe is opened to further relieve pressure when the rotating speed is increased, so that self-adaptive oil pressure adjustment under different working conditions is achieved, dynamic disc backpressure is stabilized, friction loss is reduced, and operation reliability is improved. The scroll compressor is reasonable in structural layout, low in machining precision requirement, high in oil return efficiency and suitable for scroll compressors with various rotating speed frequencies.

An asymmetric scroll compressor includes a compressor housing. An orbiting scroll member and a non-orbiting scroll member are disposed within the compressor housing. The orbiting scroll member and the non-orbiting scroll member each include a base plate and a scroll wrap extending from the base plate. The orbiting scroll member and the non-orbiting scroll member intermesh to form a plurality of compression pockets. A drive shaft is secured to the orbiting scroll member and is configured to orbit the orbiting scroll member from a first orbiting position to a second orbiting position. A communication port is disposed on the base plate of one of the orbiting scroll member and the non-orbiting scroll member such that, in the first orbiting position, the communication port is in communication with a first enclosed pocket of the plurality of compression pockets, and, in the second orbiting position, the communication port is in communication with a second enclosed pocket of the plurality of compression pockets.

A fixed scroll assembly for a scroll compressor includes a fixed scroll part, at least two bypass inlet sections, piston chambers, bypass discharge channels, pistons, a connecting groove, a sealing assembly, and a bypass control device. The piston chambers are provided on the sides of the corresponding bypass inlet sections and extend to an outer end surface of an end plate. Each piston is housed in the corresponding piston chamber, and is configured to be movable between a sealing position and a release position; at the sealing position, the piston covers the corresponding bypass inlet section to prevent the bypass inlet section from being communicated with the corresponding bypass discharge channel; and at the release position, the piston is far away from the bypass inlet section to allow the bypass inlet section to be communicated with the bypass discharge passage.

A check valve and a scroll compressor are provided. The check valve includes a valve plate, a washer, a valve stem, and a valve stopper. The valve stem is fixedly arranged between the valve plate and the valve stop, and the valve plate is provided with a valve hole for fluid to flow through. Annular outer, middle and inner stopper edges are provided on a bottom surface of the valve stopper from the edge to the center. A reverse flow hole is provided between the outer and middle stopper edges, and a ventilation port is provided on the middle stopper edge. The ventilation port is configured to connect a gap between the outer and middle stopper edges with the gap between the middle and inner stopper edges if the washer is in contact with the outer, middle and inner stopper edges.

The application belongs to the technical field of refrigeration engineering, and particularly relates to a liquid storage device, a vertical scroll compressor and a refrigeration cycle system. The liquid storage device comprises a shell, the shell has a cavity, an input port and an output port are arranged at the upper part of the shell, and a buffer chamber is arranged at the lower part of the shell. A first conveying pipe is arranged in the cavity, one end of the first conveying pipe towards the top of the cavity is an open end, and the other end of the first conveying pipe towards the bottom of the cavity is in communication with the buffer chamber. A second conveying pipe is arranged in the cavity, one end of the second conveying pipe towards the top of the cavity is in communication with the output port, and the other end of the second conveying pipe towards the bottom of the cavity is in communication with the buffer chamber. The technical scheme of the embodiment of the application solves the problems of low energy efficiency and large gas flow noise caused by large gas flow resistance loss in the refrigeration cycle process.