1607 results about "Scroll compressor" patented technology

The invention provides a permanent magnet motor and a variable-frequency scroll 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 iron core comprises stator slots which are uniformly distributed along the circumference, copper windings are embedded in the slots, stator yokes which are uniformly distributed are arranged outside the bottom of each slot, each stator yoke is provided with an arc-shaped long slot, stator teeth are arranged between every two adjacent stator slots, and the tops of the stator teeth are sunken to form through-flow slots; the rotor core is internally provided with magnetic steel grooves which are uniformly distributed, two same first magnetic isolation grooves are arranged between two adjacent magnetic steel grooves, magnetic steel is arranged in the magnetic steel grooves, and the top of each magnetic steel is provided with two second magnetic isolation grooves which are symmetrically distributed. The outer side radius Rs1 of the stator core, the inner side radius Rs2 of the stator core and the axial length Lis of the stator core meet the following conditions: 1.282 < = Lis / (Rs1-Rs2) < = 2.778, and 34 < = Rs1-Rs2 < = 39 mm. The power density of the motor can be increased, the cost is reduced, the efficiency is improved, and the harmonic content is reduced so as to suppress torque ripple.

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 compressor shaft system oil return structure comprises a crankshaft, an upper support, a lower support and a bottom oil pool, the crankshaft is provided with a crankshaft oil return channel, the crankshaft oil return channel comprises an oil return channel, an oil return outlet and an oil return inlet, the oil return outlet is communicated with the top of the oil return channel, the oil return inlet is communicated with the bottom of the oil return channel, and the oil return inlet is communicated with the bottom of the oil return channel. The upper end of the crankshaft is inserted into the upper support, the oil return inlet is formed in the upper support, the oil return outlet is formed in the lower support, the bottom oil pool is located below the lower support, and a gap is formed between the inner side wall of the bottom oil pool and the outer surface of the lower support. By implementing the structure, the performance of the scroll compressor lubricating system can be improved, the installation and maintenance process is simplified, and the reliability and efficiency of the system are improved.

The invention relates to the technical field of fault diagnosis, and discloses a scroll compressor thrust bearing fault diagnosis method and system based on artificial intelligence. The method comprises the following steps: acquiring an original vibration signal of the thrust bearing of the scroll compressor through a piezoelectric acceleration sensor array, and performing angle domain synchronization and modal decomposition on the original vibration signal to obtain a demodulated vibration signal; according to the demodulation vibration signal, extracting fault characteristic frequency spectrums of inner ring damage, outer ring crack, rolling body peeling and retainer deformation in the scroll compressor thrust bearing; extracting fault features from a time domain, a frequency domain and a time-frequency domain based on the fault feature frequency spectrum, and constructing a fault feature vector; and inputting the fault feature vector into an integrated learning model to carry out fault identification analysis to obtain a fault type and severity. According to the invention, the accuracy of fault diagnosis of the thrust bearing of the scroll compressor is improved.

The oil-gas separation assembly comprises a separation shell, a closure baffle and an exhaust pipe, the separation shell comprises an oil discharge outlet and an air inlet, an included angle is formed between the air inlet and a first air outlet, a second air outlet is formed in the first end of the exhaust pipe, and the separation shell is provided with the oil discharge outlet; the cut-off baffle is sleeved on the exhaust pipe; on the horizontal projection, the second end of the exhaust pipe at least covers the end, close to the second air outlet, of the air inlet, and the end, close to the air inlet, of the closure baffle is located between the second air outlet and the air inlet. The oil-gas separation assembly can simply and efficiently achieve separation of oil and gas, the oil discharge rate of the compressor is reduced, loss of refrigeration oil of the compressor is avoided, and the reliability of the compressor is improved. The oil-gas separation assembly is simple in overall structure, convenient to assemble and low in cost, and the problem that the oil discharge rate of an existing scroll compressor is continuously increased can be solved under the condition that the manufacturing cost is not additionally increased.

The invention discloses a balance weight block and a scroll compressor, and relates to the technical field of scroll compressors, in particular to the balance weight block and the scroll compressor. According to the balance weight block and the scroll compressor, the auxiliary oil supply channel is arranged in the balance weight block; and the auxiliary oil supply channel is formed by a balance weight block annular channel and an upward channel on the balance weight block and a transverse channel, an eccentric channel and an annular channel on the driving shaft component or a combination of several of the components. According to the technical scheme, the problems that in the prior art, in the operation process of the scroll compressor, especially under the condition of low-speed operation, enough stirring force cannot be provided for the lubricating agent, so that the thrust surface between the movable scroll component and the main bearing seat is lubricated insufficiently, and consequently excessive abrasion, even kinematic pair failure and the like are caused are solved.

The invention discloses a high-pressure type oil-free scroll compressor which comprises a compressor body composed of a first static scroll plate, a first dynamic scroll plate, a second dynamic scroll plate and a second static scroll plate, and the back face of the first dynamic scroll plate and the back face of the second dynamic scroll plate are arranged in an attached mode. The front face of the first orbiting scroll and the front face of the second orbiting scroll are meshed with the back face of the first static scroll and the back face of the second static scroll respectively, and the orbiting scrolls and the static scrolls are matched with each other to form a compression cavity. The scroll compressor further comprises four eccentric pins, an eccentric pin eccentric section is integrally formed in the middle of the outer surface of each eccentric pin, and the eccentric pin eccentric sections of the four eccentric pins are rotationally connected to the four corners of the first movable scroll plate and the four corners of the second movable scroll plate through movable plate bearings respectively. The oil-free scroll air compressor solves the problem that the exhaust pressure of the oil-free scroll air compressor is difficult to reach 1.2 Mpa or above.

The invention relates to a scroll compressor. The scroll compressor comprises a static scroll plate, a dynamic scroll plate, a high-pressure partition plate, a high-pressure cover plate, an exhaust valve and a pressure release valve. Wherein the orbiting scroll is configured to be matched with the static scroll to form a compression cavity with variable volume; the high-pressure partition plate is arranged on the static scroll plate; the high-pressure cover plate is connected with the high-pressure partition plate to form an exhaust cavity; the exhaust valve is configured to be communicated with the compression cavity and the exhaust cavity when the exhaust pressure of the compressor is reached; the pressure release valve is arranged on the high-pressure partition plate and is configured to communicate the compression cavity with the exhaust cavity when the pressure in the compression cavity exceeds the exhaust pressure. According to the scroll compressor disclosed by the invention, the pressure release valve is arranged on the high-pressure partition plate, and high pressure in the exhaust cavity directly acts on the high-pressure partition plate instead of directly acting on the static scroll plate, so that the acting force on the static scroll plate is relatively reduced, the risk that the scroll blades of the static scroll plate are stressed and deformed is reduced, and the service life of the scroll compressor is prolonged. And the service life, the performance and the reliability are ensured.

A scroll compressor includes a compressor shell; a frame (4) installed in the compressor shell; a first scroll (5) located in the compressor shell; and a second scroll (6) located in the compressor shell and being co-rotatable with the first scroll (5), to define a compression chamber (56) between the first scroll (5) and the second scroll (6), the second scroll (6) having a hub (41) that extends downward from a lower surface thereof; a transformer flange (8) supported on the frame and supporting the first scroll (5) and the second scroll (6), the transformer flange (8) being connected to the first scroll (5); an actuating mechanism (7) installed in the compressor shell and connected to the transformer flange (8), for driving the transformer flange (8) to rotate, so that the first scroll (5) and the second scroll (6) are driven to co-rotate; a crankshaft (9) assembly located in the transformer flange (8) and including an oil screw (10), an upper end (101) of the oil screw (10) being fitted with a hub (61) of the second scroll (6), a lower end of the oil screw (10) extending into an oil sump (31); and a plurality of supports (11, 12, 13, 14, 15, 16), such as bearings or bushings or gaskets, located on the same side of the compression chamber (56).

The invention relates to a self-adaptive oil supply assembly, a scroll compressor and an air conditioner. The self-adaptive oil supply assembly comprises a shell, an upper sliding block and a lower sliding block, the shell is provided with an inner cavity, a top opening and a bottom opening, the top opening and the bottom opening communicate with the inner cavity, and the top opening, the inner cavity and the bottom opening jointly form an oil supply channel; a plurality of upper sliding blocks are arranged, each upper sliding block is elastically connected with the inner wall of the inner cavity in the radial direction, and when each upper sliding block is kept in a static state, the upper sliding blocks are spliced to form an upper notch with the diameter equal to that of the top opening; the lower sliding blocks are arranged below the upper sliding blocks, each lower sliding block is elastically connected with the inner wall of the inner cavity in the radial direction, and when the lower sliding blocks are kept in the static state, the lower sliding blocks are spliced together to form a lower notch with the diameter equal to that of the bottom opening.

The invention provides a fixed scroll plate with an exhaust non-return function, a pump body assembly and a scroll compressor, and belongs to the technical field of compressors. According to the scroll compressor, the buffering structure is arranged, the impact force generated when the check valve plate moves downwards is relieved, abrasion and impact of the check valve plate can be effectively reduced, and therefore the durability of the check valve plate and the reliability of the whole scroll compressor are improved. Due to the buffer structure, the hard contact of the check valve plate during up-and-down movement is reduced, so that the noise generated by collision is reduced, and the operation environment of the scroll compressor is improved. The check valve plate can automatically open or close the exhaust hole according to the pressure change of the refrigerant, it is ensured that the high-pressure refrigerant can be smoothly exhausted during exhausting, the refrigerant can be prevented from flowing reversely when exhausting is stopped, and the exhaust efficiency and the overall performance of the compressor can be improved. The effective exhaust non-return function can prevent unnecessary leakage of refrigerants, energy loss is reduced, and therefore the energy efficiency of the whole system is improved.

A scroll compressor includes a first scroll, the first scroll including a first end plate and a first scroll wrap extending from the first end plate along a first direction; a second scroll, the second scroll including a second end plate and a second scroll wrap protruding from the second end plate along a second direction opposite to the first direction, the second scroll wrap and the first scroll wrap cooperating to form a compression cavity used for compressing a medium; a support located at a side of the second scroll away from the first scroll; a motor; and a driving member rotatably supported by the support and located at the side of the second scroll away from the first scroll. The motor drives the first scroll to rotate through the driving member, and the first scroll drives the second scroll to rotate. The scroll compressor is compact in structure, small in volume, and light in weight.

The utility model relates to the technical field of scroll compressors, in particular to an oil return structure of a scroll compressor. The oil return structure of the scroll compressor comprises a silencing plate and a compressor top cover, and the two sides of the silencing plate are provided with end parts which are connected with the bottom of the compressor top cover to form an annular oil pool; an oil return through hole is formed in the bottom of the silencing plate, one end of the oil return through hole is connected with the lower portion of the oil pool, and the other end of the oil return through hole is connected with the low-pressure side of the scroll compressor. The oil return structure comprises an oil control assembly, and the oil control assembly is located above the silencing plate and the liquid level of the oil pool. Vibration noise generated by the scroll compressor is reduced through the silencing plate, meanwhile, the silencing plate and the compressor top cover are connected to form an annular oil pool, and a lubricating oil mist and refrigerant mixture with the refrigerant proportion reduced through the oil control assembly is collected; the oil control assembly is adopted to reduce the proportion of lubricating oil mist and a refrigerant mixture of the refrigerant, and the lubricating effect of return oil is improved.

The invention discloses a static scroll plate assembly, a scroll compressor and refrigeration equipment. Wherein the static scroll plate assembly comprises a plate body and a non-return structure, the plate body is provided with a compression channel and an air supply channel, and the air supply channel is provided with a first end communicated with the compression channel and a second end used for being connected with an enthalpy increasing pipe fitting; the non-return structure is arranged on the disc body, the non-return structure is provided with a movable valve element, and the valve element can move relative to the air supply channel so that the air supply channel can be communicated from the second end to the first end in a one-way mode; the movement direction of the valve element is not parallel to the axial direction of the air supply channel. According to the technical scheme, impact caused by the fact that gas in the compression cavity flows backwards into the gas supplementing and enthalpy increasing system can be prevented, and vibration and noise are reduced. And meanwhile, the movement direction of the valve element is not parallel to the axial direction of the air supply channel, so that the blocking force to the supplied air flow can be reduced, the flow of the supplied air flow is increased, and the air supply enthalpy increasing efficiency is improved.

A scroll compressor includes a rotary shaft, an eccentric shaft that is eccentric with respect to an axis of the rotary shaft, a bushing that receives the eccentric shaft, and a shaft balancer that rotates integrally with the rotary shaft. The bushing includes a bushing balancer. The shaft balancer includes a first section and a second section. When viewed in the axial direction of the rotary shaft, the first section is located on the same side of a second straight line as the center of gravity of the bushing balancer. The second straight line contains the center of gravity of the shaft balancer and the axis of the rotary shaft. The second section is located on an opposite side of the second straight line from the center of gravity of the bushing balancer. The stiffness of the first section is lower than the stiffness of the second section.

The invention discloses finish machining equipment and a scroll compressor dynamic and static scroll plate, and relates to the technical field of machining machine tools. The machine comprises a machine body, a stand column is arranged in the machine body, a machine head is installed on the stand column, and a workbench located under the machine head is installed on one side of the stand column; the clamping piece comprises a base plate detachably installed on the workbench, the middle of the base plate is connected with a bearing ring frame used for installing the dynamic and static vortex plates, three air cylinder clamping rods are installed on the base plate in an array mode along the circumference of the base plate, and a pneumatic clamp located in the bearing ring frame is installed in the middle of the base plate. The overflow disc is arranged on the bottom disc of the clamping piece, a large amount of cooling liquid can be injected into the peripheral side of the clamping piece and the surface of the workpiece through the overflow disc, the state of soaking part of the workpiece is formed, continuous overflow of the cooling liquid can guarantee circulating heat exchange of the cooling liquid, meanwhile, the workpiece and a tool can be soaked more comprehensively through soaking of the workpiece, and the machining efficiency is improved. Local heating softening of the workpiece is avoided, and safety is improved.

A passive discharge valve for a scroll compressor and method of use are disclosed. The passive discharge valve is configured to control a flow of fluid from a compression mechanism into a discharge chamber formed in a housing of the scroll compressor. The passive discharge valve comprises a main body including a common central aperture and one or more valvular conduits formed therein. The valvular conduits extend radially outwardly from the common central aperture and each has an inlet aperture in fluid communication with a discharge port of the compression mechanism and an outlet aperture in fluid communication with the discharge chamber. Each of the valvular conduits comprises a first flow path and a second flow path, wherein the second flow path intermittently intersects the first flow path to create a fluidic diode, which militates against reverse fluid flow (or backflow) during operation of the scroll compressor.

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 an oil return control method and device, a control system, a vehicle and a storage medium. A compressor lubricating system comprises a scroll compressor and an oil-gas separator connected with an air outlet of the scroll compressor; an oil outlet of the oil-gas separator is connected with an oil inlet of the scroll compressor through an oil return quantity control device; the method comprises the following steps: acquiring operation parameters of the scroll compressor; the operation parameters comprise the exhaust temperature, the suction temperature, the exhaust pressure and the suction pressure of the scroll compressor; the current oil return demand quantity of the scroll compressor is determined according to the operation parameters of the scroll compressor; and according to the oil return demand quantity and the pressure difference between the exhaust pressure and the suction pressure of the scroll compressor, the oil return capacity of the oil return quantity control device is controlled. According to the scheme, the operation efficiency of the scroll compressor can be improved.

An electric scroll compressor configured to compress a refrigerant for use with a vapor injection system, is provided. The compressor includes refrigerant inlet and outlet ports and a vapor injection port. The housing includes a vapor injection cavity and at least one vapor injection channel which are integral therewith. A compression device includes a fixed scroll and an orbiting scroll. The orbiting scroll and the fixed scroll form compression chambers for receiving the refrigerant from the intake volume and compressing the refrigerant as the drive shaft is rotated about the center axis. The fixed scroll includes at least one vapor outlet aperture in communication with the at least one vapor injection channel for allowing vapor to enter a compression chamber formed between the fixed scroll and the orbiting scroll.

A scroll compressor (2) includes a sealed housing (3); a compression unit (11), having a fixed scroll (12) and an orbiting scroll (13); a drive shaft (18) configured to drive the orbiting scroll (13) to move orbitally, the drive shaft (18) being capable of rotating about an axis of rotation; a synchronous reluctance motor (15) configured to drive the drive shaft (18) to rotate about the axis of rotation, the synchronous reluctance motor (15) comprising a rotor (16) coupled to the drive shaft (18) and a stator (17) disposed around the rotor (16), and the rotor (16) including a ferrite permanent magnet (23); a compressor control apparatus (31) configured to control the scroll compressor (2) to operate; a lubricating oil tank (27), formed in a bottom portion of the sealed housing (3); a heating apparatus configured to heat lubricating oil stored in the lubricating oil tank (27); and an oil temperature sensor (28) disposed in the lubricating oil tank (27).

The invention relates to a compensation mechanism for a displacement machine according to the spiral principle, in particular a scroll compressor, wherein the compensation mechanism comprises a driveshaft with a central axis S and a compensation device, which comprises a cylindrical hub element that is mounted on a first eccentric pin of the driveshaft such that it can rotate about an axis of rotation P, and a compensation element which is mounted on the hub element such that it can rotate about an axis of rotation J and which has an eccentrically arranged slotted hole extending in the radial direction relative to the axis of rotation J, wherein a second eccentric pin of the driveshaft is guided in the slotted hole of the compensation element such that a Scotch yoke is formed between the slotted hole and the axis of rotation J of the compensation element. The invention also relates to a displacement machine comprising a compensation mechanism of this type.

The invention discloses a multistage closed-loop recovery method and system for industrial flue gas waste heat, and particularly relates to the technical field of waste heat recovery. The method comprises the following steps: predicting a process steam demand through a high-temperature section temperature parameter in flue gas monitoring data, and predicting a preheating medium demand based on a low-temperature section temperature parameter in the flue gas monitoring data; inputting the high-temperature-section demand prediction result and the low-temperature-section demand prediction result into a dynamic heat balance equation, calculating an optimized set point of a three-stage compressor unit, and adjusting the rotating speeds of a centrifugal compressor, a screw compressor and a scroll compressor by adopting a fuzzy PID (Proportion Integration Differentiation) algorithm; collecting temperature and flow data of secondary waste heat after the industrial equipment is reused, and generating secondary waste heat monitoring data; according to a compressor adjusting instruction and secondary waste heat monitoring data, the real-time opening degrees of the two-way stop valve and the electric adjusting valve are controlled, backflow of secondary waste heat to the interstage heat exchanger set is achieved, closed-loop recycling of industrial flue gas waste heat is completed through countercurrent flow heat exchange, and the waste heat recycling efficiency and the system stability are improved.

The invention discloses a compressor and a refrigerating system. The compressor comprises a machine shell, a motor and a pump body assembly. The shell is provided with an accommodating cavity; the motor is arranged in the containing cavity and comprises a rotor and a stator arranged on the periphery of the rotor in a sleeving mode. The pump body assembly is arranged in the containing cavity, the pump body assembly comprises a crankshaft, a static scroll plate, a movable scroll plate and a support, the crankshaft sequentially penetrates through the support, the movable scroll plate, the static scroll plate and the motor, the crankshaft comprises an eccentric section, and the movable scroll plate is arranged on the eccentric section in a sleeving mode; the outer diameter D of the stator and the outer diameter D1 of the eccentric section meet the relational expression that D / D1 is larger than or equal to 5 and smaller than or equal to 7. The problem that in the prior art, a crankshaft of a scroll compressor is low in reliability can be solved.

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 invention relates to a dynamic compensation assembly of a compressor, a design method of the dynamic compensation assembly and the compressor, and relates to the field of scroll compressors. A dynamic compensation assembly of the compressor comprises a groove disc, a static scroll plate with static scroll teeth, a movable scroll plate with movable scroll teeth, four elastic compensation mechanisms installed in four bearing holes respectively, three crank throws and a crankshaft. When the movable scroll wrap and the static scroll wrap are in interference due to excessive meshing, the spring deforms and deviates from the first bearing, so that the pressure of the contact surface of the movable scroll wrap and the static scroll wrap is reduced while the movable scroll wrap and the static scroll wrap are kept fit in the working process, and the tooth surface abrasion is reduced; when the movable scroll wrap and the static scroll wrap are not fully meshed and a gap exists, under the action of revolution centrifugal force, the movable scroll plate drives the movable scroll wrap to be attached to the static scroll wrap, and excessive impact is avoided under the action of the spring, so that sealing is achieved, air leakage is avoided, the service life is effectively prolonged, and the working stability is effectively improved.

The utility model discloses a liquid return impact experiment device for a low-pressure cavity scroll compressor, and relates to the technical field of experiment equipment, in particular to the liquid return impact experiment device for the low-pressure cavity scroll compressor. One end of a first stop valve is connected with an exhaust pipeline of a tested compressor, and the other end of the first stop valve is connected with an inlet of a gas-liquid separator; an outlet of the gas-liquid separator is connected with a second stop valve; the second stop valve is connected with the electronic expansion valve through an electronic expansion valve pipeline; the electronic expansion valve pipeline is connected with a bypass pipeline in parallel, and a third stop valve is arranged on the bypass pipeline; an outlet of the electronic expansion valve is connected with a fourth stop valve; the fourth stop valve is connected with the liquid sight glass; and the liquid sight glass is connected with an air suction pipeline of the tested compressor. According to the technical scheme, the problems that an existing compressor glow test device in the prior art is complex, whether liquid returns or not is not easily judged, the experimental period is long, and the overall liquid impact resistance of the compressor cannot be rapidly and accurately evaluated are solved.

The invention provides a modular integrated compressor system and a new energy automobile, the modular integrated compressor system comprises a vertical scroll compressor, and a first mounting surface, a second mounting surface, a third mounting surface and a fourth mounting surface are respectively formed around the compressor; an air inlet and an air outlet of the compressor shell are respectively formed in a first mounting surface and a third mounting surface which are back to back; a first electronic expansion valve port of a cylinder cover of the compressor and a junction box are respectively arranged on a second mounting surface and a fourth mounting surface which are back to back; the liquid storage device with the cubic shell, the evaporator, the condenser and the controller assembly are arranged on the installation faces on the periphery of the compressor respectively. According to the compressor, exposed pipeline structures can be reduced, pipelines are arranged in the compressor body, various parts of the system can be reasonably distributed, the utilization rate of the installation space is improved, a gas-liquid separation structure is additionally arranged behind the condenser, and the refrigeration efficiency is improved.

The invention relates to the technical field of compressors, in particular to a fixed scroll axial flexible scroll compressor. The distance between the periphery R of the tooth end of a fixed vortex blade and the center of a main supporting component accounts for 30%-40% of the diameter D of a shell; and the matching width K of the excircle through hole of the fixed scroll and the cylindrical steel pin accounts for 70%-90% of the exposed length L of the cylindrical steel pin. The diameter of the shell ranges from phi 160 mm to phi 180 mm. According to the technical scheme, the problem that in the prior art, a fixed vortex axially floats and is prone to overturning is solved.

The present invention provides a scroll compressor floating back pressure structure, a scroll compressor, and an air conditioner, wherein the scroll compressor floating back pressure structure comprises a crankshaft, a movable scroll plate, and an upper bracket, wherein the movable scroll plate has a movable plate bearing seat, the crankshaft has a crankshaft eccentric portion which can be rotatably inserted into the movable plate bearing seat, the upper bracket is configured with a sleeve matching hole, and further comprises a balancing sleeve, the balancing sleeve has an inner hole and an outer circle, wherein the movable plate bearing seat can be rotatably inserted into the inner hole, the balancing sleeve can be rotatably inserted into the sleeve matching hole, the center of the outer circle coincides with the rotation center of the crankshaft, and the center of the inner hole does not coincide with the center of the outer circle, and a sealing ring is provided on the axial end face of the balancing sleeve, the radial inner region of the sealing ring has a refrigerant of a first pressure, and the radial outer region has a refrigerant of a second pressure, and the first pressure is greater than the second pressure. According to the present invention, the stability of the movable plate movement is improved, end face leakage is avoided, and the performance of the compressor is improved.