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Automatic balance and compensating device for refrigeration compressor oil level

A refrigeration compressor and automatic balancing technology, which is applied in the direction of machines/engines, mechanical equipment, liquid variable capacity machinery, etc., to achieve the effects of stable oil level, avoiding severe wear, and avoiding accidents

Inactive Publication Date: 2007-04-11
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Technical problem: In order to avoid the hidden dangers caused by too much or too little lubricating oil in the crankcase of the compressor, the present invention proposes an automatic oil level balance and compensation device for refrigeration compressors based on the relevant knowledge of fluid mechanics. The device is suitable for Single or multiple compressors work together to replenish the oil system, which can automatically balance and compensate the oil level in the compressor crankcase, thus avoiding various accidents caused by too low or too high oil level

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  • Automatic balance and compensating device for refrigeration compressor oil level

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Embodiment Construction

[0009] The device of the present invention takes the supplementary oil tank 6 as the main body, and the bottom of the supplementary oil tank 6 is respectively provided with a supplementary oil pipe 10 and a second solenoid valve 11, and the second solenoid valve 11 is connected to the bottom of the crankcase 13 in the compressor 1 through a communication oil pipe 12 , the upper part of the supplementary oil tank 6 is respectively provided with a communication air pipe 3 and an exhaust valve 4, the outer end of the communication air pipe 3 is connected to the upper part of the crankcase 13 in the compressor 1, and is above the oil level line of the crankcase 13, and the communication air pipe 3 The inner port of the pump extends into the bottom of the supplementary oil tank 6, wherein the absolute height of the lower port of the connecting air pipe 3 in the supplementary oil tank 6 is the absolute height of the oil level in the crankcase 13, therefore, according to the normal oil...

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Abstract

The automatic oil level balancing and compensating device for refrigerating compressor includes one replenishing oil box with a connected gas pipe, the first solenoid valve and one exhaust valve; and one replenishing oil pipe and one second solenoid valve connected via a connecting oil pipe to the bottom of the crankshaft box in the compressor. The gas pipe has the outer end connected to the upper part of crankshaft box in the compressor and located over the oil level line of the crankshaft box, and the inner end in the lower part of replenishing oil box and with height determining the absolute height of the oil level inside the crankshaft box. Two solenoid valves are controlled by the controller for simultaneous opening or closing. The present invention can balance and compensate the oil level inside the crankshaft box of compressor automatically, and is suitable for single compressor or united compressors.

Description

technical field [0001] The invention relates to a refrigeration compressor oil level automatic balance and compensation device, which belongs to the technical field of refrigeration compressor manufacturing. Background technique [0002] At present, the lack of oil in the compressor of the refrigeration system is one of the main causes of compressor failure. When the compressor runs in the absence of oil, it will cause various accidents such as "burning" or "biting" of the friction parts of the compressor, which will affect the normal operation of the compressor. Therefore, trying to stabilize the oil level in the crankcase of the compressor has become one of the guarantees for the reliable operation of the system. For a single-operating refrigeration compressor, although there is an oil pressure controller that can protect the compressor from oil shortage or oil cut-off, the oil supply to the system is basically judged by manually observing the oil sight glass on the compr...

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Application Information

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IPC IPC(8): F04B39/02
Inventor 杜垲陈铁
Owner SOUTHEAST UNIV