Rotary compressor and temperature adjusting device

A technology for rotary compressors and compression chambers, which is applied to rotary piston machinery, compressors, rotary piston pumps, etc., can solve problems such as increased control difficulty, noise deterioration, and bus voltage fluctuations in electronic control systems, so as to improve user Experience and eliminate the effect of loud noise

Active Publication Date: 2017-11-24
GUANGDONG MEIZHI COMPRESSOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of film capacitors will lead to fluctuations in the bus voltage of the electronic control system, and a large amount of harmonic current will be generated on the grid side, making the control more difficult, especially for the vibration control of the rotary compressor, which will lead to vibration and noise deterioration of the rotary compressor

Method used

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  • Rotary compressor and temperature adjusting device
  • Rotary compressor and temperature adjusting device
  • Rotary compressor and temperature adjusting device

Examples

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specific Embodiment

[0070] In this specific example, if Figure 1 to Figure 7 As shown, the casing of the rotary compressor 1 includes a stator 10 and a rotor 20 , and the stator 10 and the rotor 20 are coaxial. The rotary compressor 1 includes a cylinder, and the eccentric section 202 on the crankshaft is located in the cylinder. There are two bearings located on both sides of the cylinder and sleeved on the rotor 20, namely the first bearing 40 and the second bearing 50, the first exhaust structure 402 of the first bearing 40, and the second exhaust structure of the second bearing 50. Structure 502 communicates with the exhaust port of the cylinder. The first bearing 40 is covered with a first muffler 404, and the second bearing 50 is covered with a second muffler 504. The gas from the gas-liquid separator 5 enters the cylinder through the intake pipe 70, and the cylinder processes the gas into high-temperature and high-pressure gas. Discharged from the first exhaust structure 402 and the seco...

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Abstract

The invention provides a rotary compressor and a temperature adjusting system. The rotary compressor is driven by an electronic control system which is not provided with an electrolytic capacitor. The rotary compressor comprises a shell, a motor assembly located inside the shell, a pump body assembly located inside the shell and an air cylinder assembly, wherein the shell is provided with an exhaust port and an air inlet; the motor assembly comprises a stator and a rotor, the stator is embedded to the position of the inner wall of the shell, and the rotor and the stator are coaxially arranged; the pump body assembly comprises a crankshaft, the axis of the crankshaft is parallel to the axis of the shell, the crankshaft comprises an eccentric segment, and the rotor and the crankshaft are fixed in an embedded manner so that the crankshaft can be driven to rotate; and the air cylinder assembly comprises at least one air cylinder, the parameters of each air cylinder and the rotor meet a relation which is shown in the specification, D represents the internal diameter of the air cylinder, H represents the height of the air cylinder, r represents the radius of the rotor, and h represents the height of the rotor. By means of the technical scheme, the rotary compressor has the beneficial effects that the structure is simple and reasonable, assembling is easy, and vibration is low.

Description

technical field [0001] The invention relates to the technical field of temperature adjustment devices, in particular to a rotary compressor and a temperature adjustment device. Background technique [0002] In the related art, the variable frequency speed regulation permanent magnet motor drive system is widely used in the field of household air conditioners, which is beneficial to improve system performance and reduce energy consumption. At present, the short life of electrolytic capacitors has become an important factor for the failure of air conditioner drivers, and the power factor correction circuit in traditional air conditioner drivers requires components such as inductors and power switches, which increases the system cost. Using film capacitors instead of electrolytic capacitors can effectively improve the reliability of the drive system, and can effectively reduce the cost and the size of the electronic control circuit. However, the use of film capacitors will lea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C18/356F04C23/02F04C29/00F04C29/06F25B31/00
CPCF04C18/3562F04C23/02F04C29/0092F04C29/06F04C2240/50F25B31/00
Inventor 王毅强付清轩向东宋万杰
Owner GUANGDONG MEIZHI COMPRESSOR
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