33results about How to "Reduce oil discharge rate" patented technology

The invention discloses a compressor oil blocking assembly, a rotor assembly, a compressor and an air conditioner system. The compressor oil blocking assembly comprises an oil blocking cap and an oil blocking base which is used for being fixedly connected with the oil blocking cap and can be arranged outside the connecting sleeve in a sleeving manner. A connecting sleeve used for being matched with the tail portion of a bent axle is arranged at the bottom end of the oil blocking cap. A first preset distance is formed between the bottom face of the oil blocking cap and the top face of the oil blocking base, and a second preset distance is formed between the bottom face of the oil blocking base and the bottom end face of the connecting sleeve. The compressor oil blocking assembly is provided with a double-layer oil blocking structure of the oil blocking cap and the oil blocking base, two-time oil blocking is achieved, the oil blocking effect is effectively improved, the oil output rate of the compressor, especially a large-displacement double-cylinder compressor is reduced. According to the air conditioner system applying the compressor oil blocking assembly, the heat exchange efficiency of the air conditioner system is improved, and the performance of the whole air conditioner system is improved.

The invention provides a compressor and a heat exchange device. Specifically, the compressor comprises a rotor structure, a bent axle, and an oil retaining structure, wherein the bent axle penetratesthrough the rotor structure; the oil retaining structure is connected with the top end of the bent axle, and a first oil retaining space is formed between the oil retaining structure and the end faceof the rotor structure; the oil retaining structure comprises a bowl structure and at least one opening gap is arranged in the side wall of the bowl structure; the opening gap communicates to the edgeof the top portion of the bowl structure; and an oil retaining plate is arranged on the inner surface and / or outer surface of the side wall of the bowl structure. The problem of high compressor oil drain rate in the prior art is solved.

The invention provides a compressor, comprising a crankshaft (7), a motor rotor assembly and an impeller (4) or blade arranged on the upper part of the crankshaft (7). The impeller (4) or blade can rotate under the driving of the rotation of the crankshaft (7) and can produce an axial force on the crankshaft (7) during rotation, wherein the direction of the axial force is opposite to the direction of a gas force on the crankshaft and the motor rotor assembly. According to the compressor provided by the invention, displacement of the crankshaft and the motor rotor assembly can be effectively suppressed; mechanical loss of the compressor and loss of exhausting channels can be reduced; an oil discharging rate can be decreased; and reliability and service life of the compressor can be improved.

A method and a device for controlling low-temperature heating startup of an air conditioner, an air conditioner, and a storage medium. The method comprises: acquiring an ambient temperature; if the ambient temperature is less than a set temperature, sending a first startup instruction to a fan of an outdoor unit, and controlling the fan to start up and run at the highest rotation speed; after a first duration, sending a second startup instruction to a compressor to control the compressor to start up; and after a fifth duration, turning on an electronic expansion valve of the outdoor unit. The method for controlling low-temperature heating startup of an air conditioner can quickly establish the degree of superheat of a system while ensuring a low amount of oil discharged from the system, thereby improving the heat exchange effect, enabling the compressor to be heated quickly, reducing the amount of oil discharged, ensuring the reliability of the system, and achieving the quick heating for low-temperature heating startup of the air conditioner.

The invention provides a balance block structure, a motor and a compressor. The balance weight structure includes: a balance weight body, the balance weight body has a first end and a second end oppositely arranged; the second end of the balance weight body is used to connect with the rotor; the balance weight body has a windward side and a leeward side, and the leeward side A mounting groove is provided, and the balance weight body is connected with the rotor through a fastener inserted in the mounting groove. The balance weight structure of the present invention solves the problem of wind wear loss of the compressor motor caused by the balance weight in the prior art.

The invention provides a compressor comprising a shell, a stator core, a rotor core and a first baffle, wherein the stator core and the rotor core are arranged in the shell; the stator core is arranged around the rotor core; circulating holes formed along the axial direction of the rotor core are formed in the rotor core; and the first baffle comprises a bottom plate part and an oil retaining side edge arranged at the upper side of the bottom plate part, and the first baffle is opposite to the upper end surface of the rotor core, so that lubricating oil carried by a refrigerant comes into collision with the oil retaining side edge to form oil drops falling back below the rotor core after the refrigerant flowing out of the circulating holes passes through the bottom plate part. By using the compressor, the refrigerant can return from the upside to the downside of a motor of the compressor, so that the stroke of the refrigerant is increased; in addition, due to the adoption of the design of the non-swirl baffle located above the rotor core, an extremely good oil retaining effect is taken while no wind resistance is generated, and the condition that the lubricating oil is discharged from the compressor is avoided, so that the oil throughput rate of the compressor is effectively reduced, the performance of a unit is improved, and the power consumption of the compressor is reduced.

The present invention discloses an air discharging assembly of a compressor, and a rotation type compressor. The air discharging assembly of the compressor comprises a bearing, a silencer, a high-low pressure separation plate, and an oil distribution structure, wherein the silencer is arranged on the bearing and defines a first air discharging cavity together with the bearing; the high-low pressure separation plate defines a second air discharging cavity with the bearing and the silencer respectively; the second air discharging cavity is communicated with the first air discharging cavity; the oil distribution structure is arranged in the first air discharging cavity and / or the second air discharging cavity; an oil return hole communicated with the second air discharging cavity and an oil pool is formed in the bearing. In the air discharging assembly of the compressor, the oil distribution structure can be used for distributing oil to separate oil liquid from a coolant; separated oil liquid can gather to the oil return hole and then flows to the oil pool by the oil return hole, so that the oil liquid can be used in a cycling manner, the oil discharging rate is reduced, the stabilization of the oil level of the oil pool is ensured, and the reliability of the compressor is improved.

The present invention relates to the technical field of compressors, in particular to a pump muffler, a pump body assembly and a compressor. The pump muffler includes an inner muffler cover connected with the pump body assembly, and is sheathed on the inner muffler cover. The outer layer anechoic cover, the gas-liquid separation chamber is formed between the inner layer anechoic cover and the outer layer anechoic cover, the top surface of the inner layer anechoic cover facing the side of the outer layer anechoic cover is provided with a plurality of hollow The inner resonator, the end of the inner resonator is in contact with the outer muffler so that the inside of the inner resonator forms a resonant cavity expansion chamber, and the resonance frequency of the resonant cavity expansion chamber inside the multiple inner resonators different. The resonant frequency of each expansion chamber of the resonant cavity in the present invention is different, so that the noise of different specific frequencies can be eliminated, the noise reduction effect of the muffler is improved, and the compressor and the electrical appliances using the compressor are prevented from causing damage to the acoustic environment in people's lives. , improve the comfort of the compressor and the electrical appliances using the compressor, and expand its application range.

The invention provides a balancing weight (1) of a rotary compressor. The balancing weight comprises a balancing weight base plate (11), wherein the balancing weight base plate is of a flat disc shape, and comprises an upper circular surface and a lower circular surface. A balancing weight main eccentric portion (12) and a balancing weight auxiliary eccentric portion (13) are arranged on the upper circular surface and the lower circular surface respectively, and are oppositely arranged by circling the circle center of the disc-shaped balancing weight base plate (11). The balancing weight base plate (11), the balancing weight main eccentric portion (12) and the balancing weight auxiliary eccentric portion (13) are of an integrally formed structure. By the adoption of the balancing weight, only one mold needs to be opened, and the balancing weight main eccentric portion and the balancing weight auxiliary eccentric portion can be manufactured, so that compared with the cost of respective mold opening manufacturing in the prior art, the cost is greatly reduced. In addition, due to the fact that the angle between the balancing weight main eccentric portion and the balancing weight auxiliary eccentric portion is relatively fixed, the assembling process is simple, the assembling efficiency is remarkably improved, the phenomenon of assembling errors cannot exist, and the vibration noise of the compressor can be guaranteed. The invention further relates to a double-cylinder double-stage compressor with the balancing weight.

The present application provides a compressor and an air conditioner, including a housing and a pump body assembly. A partition is provided in the housing to isolate the interior of the housing into a first chamber and a second chamber. The pump body assembly is located in the first chamber , the wall of the second chamber is provided with an exhaust channel, the compressor also includes a first communication pipe and a second communication pipe, the first communication pipe and the second communication pipe respectively communicate the first chamber with the second chamber, the second One end of a connecting pipe set on the second chamber is set at a non-zero angle to the exhaust passage, the refrigerant and oil discharged from the pump body assembly enter the second chamber through the first connecting pipe, and the refrigerant passes through the exhaust passage At least a part of the oil flows into the first chamber through the second connecting pipe, which can effectively reduce the oil discharge rate of the compressor, prevent the bottom of the compressor from lack of oil, and prevent the pump body components from being worn due to lack of oil.