CN204344404U - A kind of gas bearing formula Linearkompressor of high compression ratio - Google Patents
A kind of gas bearing formula Linearkompressor of high compression ratio Download PDFInfo
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- CN204344404U CN204344404U CN201420764776.6U CN201420764776U CN204344404U CN 204344404 U CN204344404 U CN 204344404U CN 201420764776 U CN201420764776 U CN 201420764776U CN 204344404 U CN204344404 U CN 204344404U
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Abstract
The utility model provides a kind of gas bearing formula Linearkompressor of high compression ratio, comprises piston, cylinder, counter flange and compression flange, is provided with gas flow between piston and cylinder, forms the aerostatic bearing of supporting piston; Counter flange and piston, cylinder surround the first compression chamber, and compression flange and counter flange surround the second compression chamber; The central hole of counter flange is provided with pressure controlled valve, and the suction port of pressure controlled valve is connected with the first compression chamber, and the air outlet of pressure controlled valve is connected with the second compression chamber.The utility model adopts aerostatic bearing supporting piston, in conjunction with pressure controlled valve, piston and cylinder is not only made to realize gas lubrication effect, reach without wearing and tearing supporting, and pressure controlled valve controls the pressure of the first compression chamber inside well, force it to reach the cracking pressure of pressure controlled valve, thus greatly improve the output squeezing ratio of compressor, lay a good foundation for decompressor provides the pressurized gas of high compression ratio to do work.
Description
Technical field
The utility model relates to Linearkompressor technical field, specifically a kind of gas bearing formula Linearkompressor of high compression ratio.
Background technique
The Linearkompressor of conventional high-tension contracting ratio adopts oil lubrication, the particularly refrigerator Linearkompressor of LG Corp of South Korea exploitation, although its output power is higher, but compressor piston motion needs lubricant oil, reach the object reducing fretting wear between piston and cylinder, but compressor inner structure too complicated (as increased lubrication oil filtration system) being caused like this, both having reduced the delivery efficiency of compressor, and having shortened again the machine life of compressor.Meanwhile, because compressor complete machine oscillation is comparatively large, the vibration noise of generation is higher, affects the application area of compressor.
Gas bearing formula Linearkompressor, in the mode of gas lubrication, solves the fretting wear between piston and cylinder well, reduces frictional loss, drastically increases the working life of piston.But compressor adopts the running of Gas Bearing Technology supporting piston, the successful suspension of gas bearing needs the pressurized gas consuming compression chamber inside, the pressurized gas that compressor will inevitably be caused to produce reduce for the amount of swell refrigeration, thus have impact on the efficiency of compressor.On the other hand, due to factor restrictions such as compressor arrangement, size, weight, the high-pressure gas pressure causing compressor motion to produce is smaller, and the output squeezing of compressor is than one of parameter as measurement compressor performance, if output squeezing is smaller, the output PV merit of compressor will inevitably be restricted, thus reduce the refrigerating capacity that decompressor produces refrigeration, cause refrigerator overall efficiency lower.
Model utility content
The purpose of this utility model is the gas bearing formula Linearkompressor providing a kind of high compression ratio, the problem such as on the one hand, solve oil lubricating compressor complex structure, efficiency is low, vibration is large and the life-span is short; On the other hand, the gas bearing solved due to gas bearing formula Linearkompressor consumes pressurized gas, causes compressor output squeezing than low and cannot increase the problems such as expander refrigeration capacity requirement.
The technical solution of the utility model is:
A gas bearing formula Linearkompressor for high compression ratio, comprises piston, cylinder and driven plunger reciprocating linear electric machine in cylinder, is provided with gas flow between described piston and cylinder, forms the aerostatic bearing of supporting piston; Described piston enters from one end of cylinder, and the other end excircle of cylinder is fixed with counter flange, and described counter flange is fixed with compression flange; Described counter flange and piston, cylinder surround the first compression chamber, and described compression flange and counter flange surround the second compression chamber; The central hole of described counter flange is provided with pressure controlled valve, and the suction port of described pressure controlled valve is connected with the first compression chamber, and the air outlet of described pressure controlled valve is connected with the second compression chamber.
The gas bearing formula Linearkompressor of described high compression ratio, described counter flange and compression flange adopt and are welded to connect.
The gas bearing formula Linearkompressor of described high compression ratio, described pressure controlled valve is installed on counter flange by bolt.
The gas bearing formula Linearkompressor of described high compression ratio, described linear electric machine comprises inner stator, external stator and the excitation permanent magnet between inner stator and external stator, and described excitation permanent magnet is connected with piston by link.
As shown from the above technical solution, the utility model adopts aerostatic bearing supporting piston, in conjunction with pressure controlled valve, piston and cylinder is not only made to realize gas lubrication effect, reach without wearing and tearing supporting, and pressure controlled valve controls the pressure of the first compression chamber inside well, forces it to reach the cracking pressure of pressure controlled valve, thus greatly improve the output squeezing ratio of compressor, lay a good foundation for decompressor provides the pressurized gas of high compression ratio to do work.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of gas bearing formula Linearkompressor of high compression ratio, comprises piston 1, cylinder 2, inner stator 3, external stator 4, excitation permanent magnet 5, link 6, counter flange 7, compression flange 8 and pressure controlled valve 9.Piston 1 enters from one end of cylinder 2, is assemblied in cylinder 2 inner.Inner stator 3, external stator 4 and excitation permanent magnet 5 form linear electric machine, and inner stator 3 and external stator 4 form the interior outer magnetic pole of linear electric machine, and excitation permanent magnet 5 is connected with piston 1 by link 6, forms the mover of driven plunger 1.
When the Inside coil of external stator 4 connects ac power supply, alternating current produces alternating electromagnetic field between inner stator 3 and external stator 4, and interact with excitation electromagnetic field, produce the electromagnetic push that alternation is reciprocal, driven plunger 1 is reciprocating along cylinder 2 wall, pressurized gas working medium, produces pressurized gas.Be provided with gas flow between piston 1 and cylinder 2, form the aerostatic bearing of supporting piston 1.
Counter flange 7 is arranged on the outer peripheral surface of cylinder 2 the other end, and compression flange 8 and counter flange 7 adopt and be welded to connect, and pressure controlled valve 9 is by center hole 12 place of bolts assemblies at counter flange 7.Counter flange 7 and piston 1, cylinder 2 surround the first compression chamber 10, and counter flange 7 and compression flange 8 surround the second compression chamber 11.The suction port of pressure controlled valve 9 is connected with the first compression chamber 10, and the air outlet of pressure controlled valve 9 is connected with the second compression chamber 11.The center hole 12 of counter flange 7 can be considered that the exhaust port of the first compression chamber 10, the center hole 13 of compression flange 8 can be considered the exhaust port of the second compression chamber 11.
Working principle of the present utility model:
On the one hand, the pressurized gas that linear electric motor piston 1 produces in cylinder 2 reciprocates inside, wherein few part enters the gas flow formed between piston 1 and cylinder 2, form aerostatic bearing, supporting piston 1, makes piston 1 stable suspersion inner in cylinder 2, between piston 1 and cylinder 2, carries out gas lubrication, realizing supporting without wearing and tearing between piston 1 and cylinder 2, successfully obtaining the gas bearing formula Linearkompressor without wearing and tearing, long lifetime, high reliability.
On the other hand, it is inner that the pressurized gas that piston 1 to-and-fro motion produces enter the first compression chamber 10, when gas pressure does not reach the cracking pressure of pressure controlled valve 9, gas is sealed in the first compression chamber 10, along with the to-and-fro motion of piston 1, progressively increased by the gas pressure be sealed in the first compression chamber 10, when reaching the cracking pressure of pressure controlled valve 9, pressure controlled valve 9 is opened, now, the pressurized gas that pressure improves by the control of pressure controlled valve 9 enter the second compression chamber 11, and enter decompressor by the center hole 13 of compression flange 8, high pressure gas expansion produces refrigerating capacity.And, due to the one-way conduction characteristic of pressure controlled valve 9, guarantee that the pressurized gas of the second compression chamber 11 inside can not be back to the first compression chamber 10, control the output squeezing ratio of compressor well, namely due to the effect of pressure controlled valve 9, well the high-pressure gas pressure that piston 1 to-and-fro motion produces is risen to the cracking pressure of pressure controlled valve 9, make the output squeezing of compressor higher than very.According to the designing requirement of compressor output squeezing ratio, pressure controlled valve 9 reasonable in design, can obtain the output squeezing ratio required for compressor design, reach design requirement.
the supporting means of compressor internal piston 1 of the present utility model adopts gas-static lubrication technology, achieves supporting without wearing and tearing of piston 1, drastically increases the operating life of compressor; The pressurized gas that piston 1 to-and-fro motion produces simultaneously are sealed in the first compression chamber 10, force the delivery pressure of compressor must reach the cracking pressure of pressure controlled valve 9, thus the output squeezing of compressor ratio is improved a lot, such pressurized gas enter decompressor acting, and the refrigerating capacity of generation is also greatly improved.Therefore, the utility model provides the gas bearing formula Linearkompressor of a kind of high compression ratio, long lifetime and high reliability.
The above mode of execution is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (4)
1. the gas bearing formula Linearkompressor of a high compression ratio, comprise piston, cylinder and driven plunger reciprocating linear electric machine in cylinder, it is characterized in that: between described piston and cylinder, be provided with gas flow, form the aerostatic bearing of supporting piston; Described piston enters from one end of cylinder, and the other end excircle of cylinder is fixed with counter flange, and described counter flange is fixed with compression flange; Described counter flange and piston, cylinder surround the first compression chamber, and described compression flange and counter flange surround the second compression chamber; The central hole of described counter flange is provided with pressure controlled valve, and the suction port of described pressure controlled valve is connected with the first compression chamber, and the air outlet of described pressure controlled valve is connected with the second compression chamber.
2. the gas bearing formula Linearkompressor of high compression ratio according to claim 1, is characterized in that: described counter flange and compression flange adopt and be welded to connect.
3. the gas bearing formula Linearkompressor of high compression ratio according to claim 1, is characterized in that: described pressure controlled valve is installed on counter flange by bolt.
4. the gas bearing formula Linearkompressor of high compression ratio according to claim 1, it is characterized in that: described linear electric machine comprises inner stator, external stator and the excitation permanent magnet between inner stator and external stator, and described excitation permanent magnet is connected with piston by link.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420764776.6U CN204344404U (en) | 2014-12-09 | 2014-12-09 | A kind of gas bearing formula Linearkompressor of high compression ratio |
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CN201420764776.6U CN204344404U (en) | 2014-12-09 | 2014-12-09 | A kind of gas bearing formula Linearkompressor of high compression ratio |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104454441A (en) * | 2014-12-09 | 2015-03-25 | 中国电子科技集团公司第十六研究所 | High-compression-ratio gas bearing linear compressor |
CN110131131A (en) * | 2019-05-23 | 2019-08-16 | 江苏热声机电科技有限公司 | A kind of power piston air floating structure |
-
2014
- 2014-12-09 CN CN201420764776.6U patent/CN204344404U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104454441A (en) * | 2014-12-09 | 2015-03-25 | 中国电子科技集团公司第十六研究所 | High-compression-ratio gas bearing linear compressor |
CN110131131A (en) * | 2019-05-23 | 2019-08-16 | 江苏热声机电科技有限公司 | A kind of power piston air floating structure |
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