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A piston type variable frequency variable capacity refrigeration compressor

A refrigeration compressor and piston-type technology, applied in the field of piston-type variable frequency refrigeration compressors, can solve the problems of inability to accurately control the temperature of the compartment, poor energy-saving effect, poor food moisturizing and fresh-keeping effect, etc., so as to widen the range of cooling capacity. , Simple structure, high efficiency

Active Publication Date: 2022-05-24
JIAXIPERA COMPRESSOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention overcomes the problems in the prior art that the temperature of the compartments of the refrigerator cannot be precisely controlled, the effect of keeping food moist and fresh is poor, and the cooling capacity provided by the compressor is too large, resulting in more frequent start and stop of the compressor and poor energy-saving effect. , to provide a piston-type variable frequency variable capacity refrigeration compressor, which can further adjust the cooling capacity of the compressor by adjusting the effective stroke volume of the compressor through the variable capacity device

Method used

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  • A piston type variable frequency variable capacity refrigeration compressor
  • A piston type variable frequency variable capacity refrigeration compressor
  • A piston type variable frequency variable capacity refrigeration compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] like figure 1 As shown in the figure, a piston-type variable frequency variable capacity refrigeration compressor includes a shell assembly, a pump body assembly, a variable capacity device 2 and a variable frequency motor, and the pump body assembly includes a suction and exhaust system, a crankcase 1, a crank-connecting rod-piston Transmission and other main components. like figure 2 As shown, the crankcase 1 and the variable capacity device 2 are provided with a cylinder 1.1 and a drainage groove 1.2 on the crankcase 1; The crankcase 1 is fixed, a second sealing groove 2.4.3 is provided on the side wall of the connecting seat 2.4 in contact with the crankcase 1, and a second sealing O-ring is arranged in the second sealing groove 2.4.3. like image 3 and Figure 4 As shown, the connecting seat 2.4 is provided with an accommodating hole 2.4.1, the accommodating hole 2.4.1 includes a smooth hole 2.4.1.1 and an inner thread hole 2.4.1.2, and the adjusting bolt 2.3 ...

Embodiment 2

[0027] like Figure 5As shown, on the basis of Embodiment 1, it also includes a first sliding slot 11 and a second sliding slot 12; the first sliding slot 11 is arranged on the connecting seat 2.4, and the first sliding slot 11 is provided with a first sliding rod 13 , the first sliding rod 13 is slidably connected with the first sliding groove 11, one end of the first sliding rod 13 is provided with a first locking slope 13.1, and the other end of the first sliding rod 13 is in contact with the adjustment bolt 2.3; the second sliding groove 12 Passing through the connecting seat 2.4 and the crankcase 1, the second sliding groove 12 is communicated with the drainage groove 1.2. The second sliding groove 12 is provided with a second sliding rod 14 and a telescopic spring 15, and the second sliding rod 14 and the second sliding groove 12 slide. Connection, the telescopic spring 15 is sleeved on the outside of the second sliding rod 14, one end of the telescopic spring 15 sleeve ...

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PUM

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Abstract

The invention discloses a piston-type variable frequency variable capacity refrigeration compressor, which comprises a crankcase and a variable capacity device. The crankcase is provided with a cylinder and a drainage groove; The seat is fixed with the crankcase, and there is a receiving hole in the connecting seat, the receiving hole communicates with the cylinder through the drainage groove, the adjusting bolt is set in the receiving hole, and the adjusting bolt is screwed to the receiving hole, and one end of the transmission shaft is the same as the output shaft of the driving motor. The shaft is fixed, the other end of the transmission shaft is slidingly connected with the adjusting bolt, and the driving motor is fixed with the connecting seat. The invention provides a piston-type variable-frequency variable-capacity refrigeration compressor, which can further adjust the cooling capacity of the compressor by adjusting the effective stroke volume of the compressor through a variable-capacity device.

Description

technical field [0001] The invention relates to the field of piston type variable frequency refrigeration compressors, in particular to a piston type variable frequency variable capacity refrigeration compressor. Background technique [0002] With the development of the national economy, people's living standards have gradually improved. People have higher and higher requirements for energy saving, moisturizing and fresh-keeping of refrigerators and freezers. As the core component of refrigerators and freezers, compressors are the key to improving the quality of refrigerators. According to the characteristics of the refrigerator-compressor matching, the refrigeration capacity of the refrigerator varies greatly under different ambient temperatures. For example, in the refrigerator power consumption test, the heat load of the refrigerator under the 16° ambient temperature test condition is generally only about 50% of the refrigerator heat load under the 32° ambient temperatu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B49/16F04B49/20F25D23/00
CPCF04B49/16F04B49/20F25D23/00
Inventor 张勤建陆龙泉姚辉军王宗槐刘小莉武守飞杨骅曾卫东杨峰
Owner JIAXIPERA COMPRESSOR
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