Liquid storage device capable of reducing oil storage amount and shortening oil return time and liquid storage method
A technology of oil return time and liquid storage, which is applied in the field of liquid storage, which can solve the problems of large oil retention and long oil return time, and achieve the effects of reducing oil retention, contact area, and oil return time
Active Publication Date: 2022-07-01
XI AN JIAOTONG UNIV
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Problems solved by technology
[0005] In the experimental research, it was found that the accumulator matched with the high back pressure rotary compressor used in the current small room air conditioner has a large amount of oil and occupies the total return oil. A long time problem, so it is necessary to improve this problem
Method used
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Embodiment Construction
[0026] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0027] see figure 1 , figure 2 , the embodiment of the present invention proposes a reservoir that reduces the amount of oil held and the oil return time, including an inlet cannula 101, the inlet cannula 101 is fixed by welding with the upper casing sleeve 202, and the filter screen 3 is welded by welding. It is fixed on the bracket 401, the drain plate is fixed on the intermediate housing 601 by welding, the intermediate housing 601 and the upper housing 201 are connected by welding, and the large space above and below the drain plate is communicated through the drain plate through hole 702 and the circumferential opening 703. , the upper part of the outlet cannula 501 is fixed by welding with the drain plate sleeve 701 , the lower part of the outlet cannula 501 is fixed by welding with the lower casing sleeve 802 , and the lower casing 801 ...
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The liquid storage device comprises a closed liquid storage device shell, a hole is formed in the top of the liquid storage device shell, an inlet insertion pipe communicated with the outside is installed on the top of the liquid storage device shell, a filter screen is arranged at the position, below the inlet insertion pipe, in the liquid storage device shell, a flow guide pipe right opposite to the inlet insertion pipe is arranged below the filter screen, and the flow guide pipe is communicated with the inlet insertion pipe. A drainage plate is arranged below the flow guide pipe; the flow guide plate is provided with a variable-sectional-area protruding part right opposite to the flow guide pipe, the top of the variable-sectional-area protruding part is an arc surface, the diameter of the variable-sectional-area protruding part is gradually increased from top to bottom and is in smooth transition, and a plurality of circumferential through holes are formed in the bottom of the variable-sectional-area protruding part; holes are formed in the drainage plate, drainage plate sleeves are installed on the holes, a plurality of outlet insertion pipes are fixed through the drainage plate sleeves respectively, the outlet insertion pipes are communicated with the outside, and oil return holes are formed in the bottoms, on the inner side of the liquid storage device shell, of the outlet insertion pipes. The amount of lubricating oil needing to be filled into the compressor can be reduced, the oil return time is shortened, and the manufacturing cost is reduced.
Description
technical field [0001] The invention belongs to the field of liquid accumulators, and in particular relates to a liquid accumulator and a liquid accumulating method for reducing oil storage and oil return time. Background technique [0002] In the existing small household room air conditioners, the compressors used to increase the pressure mostly use rotary compressors with high back pressure, and the suction side has a liquid accumulator to prevent the compressor from appearing during the working process to the greatest extent. The compressor is damaged due to liquid shock, but the lubricating oil discharged from the compressor into the system needs to pass through the accumulator to return to the compressor. The time it takes for the liquid to flow out of the accumulator has an impact on the efficient operation of the compressor and the entire refrigeration system. [0003] Regarding the oil storage capacity of the accumulator, the accumulator on the suction side is locat...
Claims
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IPC IPC(8): F25B43/02F25B49/00
CPCF25B43/02F25B49/00F25B2500/28
Inventor 朱振华吴建华冯建元吴启航张冉
Owner XI AN JIAOTONG UNIV