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Variable volume type scroll compressor

A scroll compressor and variable type technology, applied in the field of scroll compressors, can solve the problems of reducing the compressible volume of the compressor, high cost, leakage pressure, etc., and achieve the effect of increasing capacity, low cost, and simple mechanical mechanism

Active Publication Date: 2018-06-12
HEFEI GENERAL MACHINERY RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Variable speed adjustment requires the addition of corresponding electrical control equipment, and has high requirements for motor performance, so its cost is relatively high; bypass-type variable capacity uses bypass pipelines to reduce the compressible volume of the compressor, which will inevitably bring Problems of heat transfer, leakage and pressure loss

Method used

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  • Variable volume type scroll compressor
  • Variable volume type scroll compressor
  • Variable volume type scroll compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The structural section of the scroll compressor is as follows: figure 1 shown. The partial enlarged picture of the capacity adjustment structure in the scroll compressor is as follows: figure 2 shown. In this structure:

[0047] 1) After the motor stator 14 is powered on, the motor rotor 15 rotates, and the drive crankshaft 16 rotates accordingly. The top of the crankshaft 16 is an eccentric structure, and the crankshaft 16 drives the orbiting scroll 11 to rotate eccentrically.

[0048]2) The movable scroll 11 (with the movable scroll 12 and the movable scroll elastic member 13) and the fixed scroll 9 (with the fixed scroll 8 and the fixed scroll elastic member 7) mutually Cooperate to form a compression chamber (that is, a compressed air chamber). The compression chamber moves toward the center with the movement of the movable scroll 11 , and while moving, the volume decreases and the pressure increases, so that the compressed refrigerant gas can be discharged th...

Embodiment 2

[0058] The structural section of the scroll compressor is as follows: Figure 8 shown. Partial enlarged picture of volume-variable capacity adjustment structure Figure 9 shown. In this structure:

[0059] 1) After the motor stator 14 is powered on, the motor rotor 15 rotates, and the drive crankshaft 16 rotates accordingly. The crankshaft 16 drives the movable scroll 11 to rotate eccentrically.

[0060] 2) The movable scroll 11 (with the movable scroll 12 and the movable scroll elastic member 13) and the fixed scroll 9 (with the fixed scroll 8 and the fixed scroll elastic member 7) mutually Cooperate to form a compression chamber (that is, a compressed air chamber). The compression chamber moves toward the center with the movement of the movable scroll 11 , and while moving, the volume decreases and the pressure increases, so that the compressed refrigerant gas can be discharged through the exhaust pipe 5 .

[0061] During the entire movement process of the movable scro...

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Abstract

The invention relates to a variable volume type scroll compressor which comprises a movable scroll plate and movable scroll teeth formed on the movable scroll plate. The variable volume type scroll compressor further comprises a static scroll plate and static scroll teeth formed on the static scroll plate; the movable scroll teeth are engaged with the static scroll teeth mutually, and then the movable scroll teeth, the static scroll teeth, the movable scroll plate and the static scroll plate form a sealed compressed air cavity; an exhaust outlet is formed in the static scroll plate; and the movable scroll plate is assembled at the end of a crankshaft. The variable volume type scroll compressor further comprises a driving mechanism for driving the static scroll plate to move up and down inthe axial direction of the crankshaft, a movable scroll elastic component for pushing the movable scroll teeth and allowing the tops of the movable scroll teeth to tightly abut against the static scroll plate, and a static scroll elastic component for pushing the static scroll teeth and allowing the tops of the static scroll teeth to tightly abut against the movable scroll plate. According to thevariable volume type scroll compressor, the volume of the scroll compressor is directly changed through mechanism movement, and the mechanism neither includes high-cost components, nor introduces additional energy consumption factors. The variable volume type scroll compressor is lower in cost and has the higher energy saving advantage.

Description

technical field [0001] The invention belongs to the technical field of scroll compressors, in particular to a volume-variable scroll compressor. Background technique [0002] Scroll compressors have the advantages of positive displacement and rotary compressors, and have the characteristics of high efficiency, low noise and small size. With the implementation of national energy conservation and emission reduction policies, new requirements have been put forward for the capacity adjustment design of scroll compressors to adapt to changes in actual operating conditions and obtain energy-saving effects. [0003] At present, the variable capacity mode of the scroll compressor mainly includes frequency conversion speed regulation and bypass variable capacity adjustment mode. The variable frequency speed regulation realizes the displacement of the compressor per unit time by changing the motor speed; the bypass type variable capacity controls the opening of the regulating valve, ...

Claims

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Application Information

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IPC IPC(8): F04C18/02F04C23/02F04C29/00F04C28/18F04C27/00
Inventor 周到张秀平程立权蔡松素戴琳张伟张宇高启明
Owner HEFEI GENERAL MACHINERY RES INST