A wiring device, comprising a junction box cover (10), a wiring spacer (20), and a seal terminal (30). The wiring device is disposed on a housing cover (40) of a compressor. The junction box cover (10) is disposed on the junction spacer (20) and forms a cavity space, and the cavity space is provided with a wiring opening at the end away from the seal terminal (30). The seal terminal (30) is provided with 3 wiring columns (301); each wiring column (301) is connected to a piece of connector along the extending direction of the wiring column (301) away from the housing cover (40); and the connector all extend in the direction close to the wiring opening so that the outgoing directions of lead wires are consistent. The present structure enables the lead wires to go out smoothly so as to improve production efficiency. The outgoing directions of three lead wires are consistent, so that the seal wiring columns (301) is evenly stressed and safety hazards are eliminated. In addition, the consistency of the wire outgoing directions avoids the problems of local wiring and wire superposition, such that the layout of the internal space of the junction box cover (10) is reasonable, thereby further improving the safety of the device.
F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
A dual-cylinder two-stage variable-capacity compressor, comprising: a first cylinder (15), an exhaust port of the first cylinder (15) being in communication with a first exhaust passage (21); and a second cylinder (13), the second cylinder (13) being separated from the first cylinder (15) by means of an intermediate plate (14), an air exchange sliding block (25) being provided in the second cylinder (13), and a first transfer air channel (251) and a second transfer air channel (252) being provided in the air exchange sliding block (25). When the air exchange sliding block (25) is located at a first communication position, the first exhaust passage (21) is in communication with an air suction channel (26) of the second cylinder (13) by means of the first transfer air channel (251); and when the air exchange sliding block (25) is located at a second communication position, the first exhaust passage (21) is in communication with a second exhaust passage (22) by means of the second transfer air channel (252), and the second exhaust passage (22) is in communication with a compressor inner cavity (27).
F04C 18/356 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles possédant les caractéristiques couvertes par au moins deux des groupes , , , , ou par l'un de ces groupes en combinaison avec un autre type de mouvement entre les organes coopérants ayant à la fois le mouvement défini dans l'un des groupes ou et un mouvement alternatif relatif entre les organes coopérants les organes obturateurs ayant un mouvement alternatif par rapport à l'organe externe
F04C 23/00 - Combinaisons de plusieurs pompes, chacune étant du type à piston rotatif ou oscillant spécialement adaptées pour les fluides compressibles; Installations de pompage spécialement adaptées pour les fluides compressibles; Pompes multiétagées spécialement adaptées pour les fluides compressibles
F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement
F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes
A variable capacity compressor, comprising two cylinders (13, 15), and an intermediate plate (14) for separating the two cylinders (13, 15). At least one communication channel (141) is formed in the intermediate plate (14). One end of the communication channel (141) is communicated with air discharging cavities (131, 152) of any one of the two cylinders (13, 15), and the other end of the communication channel (141) is communicated with air suction cavities (132, 151) of the other one of the two cylinders (13, 15). Each communication channel (141) is provided with a flow control assembly (22) used for adjusting the flow of refrigerants flowing through the communication channel (141).
F04C 23/00 - Combinaisons de plusieurs pompes, chacune étant du type à piston rotatif ou oscillant spécialement adaptées pour les fluides compressibles; Installations de pompage spécialement adaptées pour les fluides compressibles; Pompes multiétagées spécialement adaptées pour les fluides compressibles
F04C 18/356 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles possédant les caractéristiques couvertes par au moins deux des groupes , , , , ou par l'un de ces groupes en combinaison avec un autre type de mouvement entre les organes coopérants ayant à la fois le mouvement défini dans l'un des groupes ou et un mouvement alternatif relatif entre les organes coopérants les organes obturateurs ayant un mouvement alternatif par rapport à l'organe externe
F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement
4.
FRESH-AIR AIR CONDITIONING SYSTEM AND CONTROL METHOD
A fresh-air air conditioning system and control method, the system comprising an interior unit (1) and an exterior unit (2). The interior unit (1) comprises a first interior heat exchanger (11) and a second interior heat exchanger (13). The exterior unit (2) comprises a compressor (21), intake bypass circuit, first accumulator (22) and second accumulator (23). The intake bypass circuit comprises a first electromagnetic valve (24), second electromagnetic valve (25), and third electromagnetic valve (26). A first end of the first electromagnetic valve (24) is connected to a first end of the first interior heat exchanger (11), and a second end of the first electromagnetic valve (24) is connected via the first accumulator (22) to a first intake end of the compressor (21) and a first end of the third electromagnetic valve (26). The second end of the third electromagnetic valve (26) is connected via the second accumulator (23) to a second intake end of the compressor (21) and a first end of the second electromagnetic valve (25). The second end of the second electromagnetic valve (25) is connected to a first end of the second interior heat exchanger (13). When one of the first interior heat exchanger (11) or second interior heat exchanger (13) is closed, the third electromagnetic valve (26) opens so that the first accumulator (22) and second accumulator (23) simultaneously communicate with the open interior heat exchanger, avoiding poor oil return as a result of prolonged single-cylinder operation of the compressor, and ensuring the reliability of the compressor as well as interior comfort.
A compressor and a fabrication method therefor, wherein the compressor comprises: a housing (2); a motor (3) and a cylinder (5), which are housed in the housing (2); a crankshaft (31), the crankshaft (31) transmitting the rotational force of the motor (3) to a piston in the cylinder (5) so as to compress a refrigerant; and an upper cylinder cover (4) and a lower cylinder cover (6), which define a compression space and which support the crankshaft (31) together with the cylinder (5). The upper cylinder cover (4) is located between the motor (3) and the cylinder (5), and the upper cylinder cover (4) has a through hole through which the crankshaft (31) passes; the upper cylinder cover (4) is provided with a first side (41) facing the motor (3) and a second side (42) facing the cylinder (5); the inner wall of the housing (2) is laser welded to the outer circumference of the first side (41) and/or the outer circumference of the second side (42) of the upper cylinder cover (4); and the included angle between the axial direction of a welding joint and the inner wall of the housing (2) ranges from 0° to 45°. With the present invention, the compressor does not damage the original assembly accuracy due to welding deformation, thereby ensuring uniform air gap of a stator and rotor and achieving reduced noise and improved performance.
F04C 18/356 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles possédant les caractéristiques couvertes par au moins deux des groupes , , , , ou par l'un de ces groupes en combinaison avec un autre type de mouvement entre les organes coopérants ayant à la fois le mouvement défini dans l'un des groupes ou et un mouvement alternatif relatif entre les organes coopérants les organes obturateurs ayant un mouvement alternatif par rapport à l'organe externe
F04C 23/02 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs d'entraînement particuliers ou leurs adaptations à cet effet
F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes
A compressor and a fabrication method therefor, the compressor comprising: a housing (10), having a central axis (101); an upper cylinder head (32), located in the housing (10) and having a first inner hole (321) of which the axis (322) is parallel to the central axis (101); a lower cylinder head (33), located in the housing (10) and having a second inner hole (331) which is coaxial with the first inner hole (321); a motor and a cylinder (31), housed in the housing (10), the cylinder (31) having a third inner hole (311) of which the axis is parallel to the central axis (101); and a crankshaft (40), which transmits the rotational force of the motor to a piston in the cylinder (31) so as to compress a refrigerant, the crankshaft (40) being inserted into the first inner hole (321), the third inner hole (311) and the second inner hole (331), wherein, before the crankshaft (40) is inserted into the first inner hole (321), the upper cylinder head (32) or the cylinder (31) is integrated with the housing (10), or the upper cylinder head (32) or the cylinder (31) is interconnected to the housing (10). The compressor and fabrication method therefor may reduce wear of the compressor and reduce noise.
F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes
A rotor-type compressor. The compressor comprises a first support assembly and a second support assembly (111); the first support assembly is an upper supporting assembly, and is coaxially provided with the end of a crank (102) passing through a rotor in a clearance fit; the second support assembly (111) is a main bearing and has a height of H; a fit clearance S of the clearance fit falls within the following range: 0.001≤S/H≤0.005. For the rotor-type compressor, the integral structure is optimized by controlling structural parameters of upper and lower support parts, such that bearing abrasion is relieved, and the operation stability and service life of the compressor is improved.
F04C 18/356 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles possédant les caractéristiques couvertes par au moins deux des groupes , , , , ou par l'un de ces groupes en combinaison avec un autre type de mouvement entre les organes coopérants ayant à la fois le mouvement défini dans l'un des groupes ou et un mouvement alternatif relatif entre les organes coopérants les organes obturateurs ayant un mouvement alternatif par rapport à l'organe externe
A connector housing assembly and a compressor comprising same. To improve the sealing level of the compressor at a connection position, the connector housing assembly comprises a gasket (2) and a housing body (3); the housing body (3) is provided with a line outlet used for leading out an outgoing line of the compressor; the line outlet is provided with a waterproof joint (31). A fixing component tightly presses the connector housing assembly on the gasket (2) to form a closed space; a sealed boss or protrusion (21) is provided on the gasket (2); the sealed boss or protrusion (21) is in interference fit with the inner wall at one end of the housing body (3); and a cover plate (6) and a waterproof nut are added, so that the waterproof level of the present invention can meet a relatively high requirement.
A rolling piston rotary compressor, comprising a housing (1), a compressing assembly, and a support assembly; the compressing assembly comprises a crankshaft (3), a cylinder (2), and a piston (5), the crankshaft (3) being internally provided with a first oil hole (34) which extends along the axial direction of the crankshaft (3); the support assembly comprises an upper support portion (4) for fixing the crankshaft (3); the crankshaft (3) is further internally provided with a second oil hole (35) which is in communication with the first oil hole (34) and the outer surface of the first portion (36) on the crankshaft (3) where the crankshaft (3) fits inside the upper support portion (4). Said rolling piston rotary compressor is provided with a horizontal oil hole located on the portion where the upper support portion (4) fits onto the crankshaft (3), so as to lubricate the portion where the upper support portion (4) fits onto the crankshaft (3), thereby reducing the wear of a corresponding portion of the crankshaft (3), improving the reliability of the rolling piston rotary compressor.
Disclosed are a crankshaft and a rotary compressor comprising the crankshaft. The crankshaft (1) comprises a long shaft (11) and a short shaft (12). A ratio of an external diameter of the long shaft (11) to an inner diameter of a compressor shell (2) is less than 0.14 and greater than 0.07, and a ratio of an external diameter of the short shaft (12) to the inner diameter of the compressor shell (2) is less than or equal to 0.12 and greater than 0.05, thereby reducing the area of a contact surface and a frictional loss of the crankshaft (1) during work, thus the coefficient of performance (COP) of the compressor is improved.
F04C 23/00 - Combinaisons de plusieurs pompes, chacune étant du type à piston rotatif ou oscillant spécialement adaptées pour les fluides compressibles; Installations de pompage spécialement adaptées pour les fluides compressibles; Pompes multiétagées spécialement adaptées pour les fluides compressibles
F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes
A compressor and a processing method therefor; a compressor (100) comprises: a housing (110), and an anticorrosive coating (130) covering a surface of the housing (110); the anticorrosive coating (130) comprises: a base layer (131) applied on the surface of the housing (110), and a surface layer (132) applied on said base layer (131); both the base layer (131) and the surface layer (132) are organic coatings. Thus, the housing (110) of the compressor (100) is effectively separated from the external environment by means of the two organic coatings, so as to ensure that the compressor is not corroded; moreover, the anticorrosive coating does not contain a metal coating, thereby preventing the problem of the compressor being severely corroded due to an exposed metal coating.
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