CN201991778U - Baffle structure of variable capacity compressor - Google Patents
Baffle structure of variable capacity compressor Download PDFInfo
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- CN201991778U CN201991778U CN2011200608748U CN201120060874U CN201991778U CN 201991778 U CN201991778 U CN 201991778U CN 2011200608748 U CN2011200608748 U CN 2011200608748U CN 201120060874 U CN201120060874 U CN 201120060874U CN 201991778 U CN201991778 U CN 201991778U
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Abstract
The utility model relates to a baffle structure of a variable capacity compressor. The casing of the variable capacity compressor is internally provided with a first air cylinder with a first compression cavity, a second air cylinder with a second compression cavity, and a middle baffle used for separating the first air cylinder and the second air cylinder; the middle baffle is provided with an exhaust passage; the middle baffle consists of a first middle baffle and a second middle baffle; the first middle baffle leans towards the first air cylinder and the second middle baffle leans towards the second air cylinder; a main bearing is arranged at the side of the first air cylinder, and an auxiliary bearing is arranged at the side of the second air cylinder; and the thickness of the first middle baffle is more than that of the second middle baffle. The exhaust passage is a first exhaust passage that is arranged on the first middle baffle and the second middle baffle and formed by the common enclosure of the first middle baffle and the second middle baffle. The exhaust passage is a second exhaust passage arranged on the first middle baffle. The baffle structure has the characteristics of simple and reasonable structure, flexible operation, low manufacturing cost, high operating efficiency and broad applicable range.
Description
Technical field
The utility model relates to the diaphragm structure of a kind of variable volume compressor, particularly a kind of variable volume compressor.
Background technique
Air conditioner is generally used for by making room temperature keep setting temperature, and the interior space is remained on comfort conditions.Air conditioner generally comprises a cover refrigeration system, and this refrigeration system comprises: compressor is used for compressed refrigerant; Condenser is used for the compressed machine refrigerant compressed of condensation and heat is outwards discharged; Expansion valve is used to reduce the pressure of the refrigeration agent after condenser condenses; And vaporizer, be used to evaporate the refrigeration agent by expansion valve and absorb outside heat.
Along with the continuous anxiety of earth resource and the deterioration of environment, the energy-conservation constantly target of pursuit such as air conditioner, refrigerator that becomes, special in the big air conditioner of power consumption, energy conservation object is more urgent, so air-conditioning efficiency standard-required improves constantly.Because the system energy efficiency of air conditioner improves, the compressor power consumption reduces, and brings the another one adverse effect for the air conditioner that adopts common constant speed compressor, and promptly system's heating capacity of air conditioner obviously lowers during winter, especially when ambient temperature is low.
In recent years, compression chamber work or unloading are reached by air-breathing bypass, and then All aspects of are studied and be applied in to the transfiguration control technique of adjusting compressor displacement widely by machinery control.At present at the air conditioner of the present high refrigeration efficiency problem of heating capacity deficiency in the winter time, designed a kind of variable-displacement rotary compressor, as shown in Figure 1, this existing variable capacity rotation compressor comprises: be arranged on first cylinder 8 that has first compression chamber in the housing 1 and have second cylinder 2 of second compression chamber and the central diaphragm that is used to separate first cylinder 8 and second cylinder 2.
First vane slot and the first slide plate chamber that are provided with first piston in first cylinder 8 and hold first slide plate, first vane slot communicates with the first slide plate chamber, one end of first slide plate is resisted against on the periphery of first piston, and the other end of first slide plate and first spring join.
Second vane slot and the second slide plate chamber 3 that are provided with second piston 6 in second cylinder 2 and hold second slide plate 4, second vane slot communicates with the second slide plate chamber 3, also be provided with the intercommunicating pore 12 that communicates with the second slide plate chamber 3 on second cylinder, intercommunicating pore 12 communicates with the second slide plate chamber 3, one end of connecting tube 11 is pressed in the intercommunicating pore 12, the other end of connecting tube 11 and pressure switching mechanism 10 join, and main bearing is arranged on the side of first cylinder 8, and supplementary bearing 7 is arranged on the side of second cylinder 2.
By providing high pressure or low-pressure gas to the second slide plate chamber 3, may command second slide plate 4 is with 6 contacts of second piston or separate, so second cylinder 8 in pressurized gas or second cylinder 8 is dallied.
The discharge capacity of this first compression chamber at the compressor that promotes heating capacity generally accounts for the bigger ratio of total displacement, as 80%, in order to turn round when summer air-conditioning freeze; And the discharge capacity of adjustable second compression chamber generally accounts for the less ratio of total displacement, as 20%, increases displacement in order to open when heating capacity is not enough.Use 80% discharge capacity when promptly freezing, the system effectiveness height; When heating with 100% discharge capacity to promote heating capacity.
Usually, the air displacement of first cylinder of compressor is relatively large, and the height of first cylinder is higher, if only at main bearing one side designing and arranging gas port, the exhaust resistance of first cylinder when exhaust is bigger so, and the efficient of compressor is lower; For improving the exhaust effect of first cylinder, common opposite side at first cylinder, be that central diaphragm one side also is provided with relief opening, this central diaphragm is by constituting jointly near the septum primum plate 9A of first cylinder and the septum secundum plate 9B of close second cylinder, septum primum plate 9A and septum secundum plate 9B fit tightly, and at centre formation exhaust passageway, and then realize that first cylinder is in central diaphragm one side exhaust.
This compressor has been realized capacity adjustment cheaply, improved the comfort level of air conditioner and reduced energy consumption, yet there is following defective in this existing compressor: as shown in Figure 1, be typically convenient design, septum primum plate 9A is identical with the thickness of septum secundum plate 9B, i.e. dA=dB.Yet,, consider from the reliability of bent axle that particularly it is little that the total thickness d=dA+dB of two dividing plates must try one's best because structural limitations reaches for cost consideration; Because two dividing plates design for equal thickness, the thickness of septum primum plate 9A and septum secundum plate 9B is all less, causes the distortion of two dividing plates all bigger.Because the septum primum plate distortion near first cylinder is bigger, then first cylinder must could guarantee operating reliability by the bigger running clearance of design, bigger gap is provided with the efficient when having reduced by first cylinder operation, and first cylinder is main running cylinder, in the institute of compressor operating is free, adopt the normality running, the running efficiency of this first cylinder whole efficiency that causes compressor that descends descends, and the air-conditioning system of carrying this compressor in refrigeration and the efficient when heating decline is all arranged.Simultaneously, because the thickness of two dividing plates is all less, difficulty is all compared in processing, causes manufacture cost to rise.
The model utility content
The purpose of this utility model aims to provide the diaphragm structure of a kind of simple and reasonable, flexible operation, fabricating cost is low, running efficiency is high, applied widely variable volume compressor, to overcome deficiency of the prior art.
Press the diaphragm structure of a kind of variable volume compressor of this purpose design, be provided with first cylinder that has first compression chamber in the housing of variable volume compressor, the central diaphragm that has second cylinder of second compression chamber and be used to separate first cylinder and second cylinder, central diaphragm is provided with the exhaust passage, this central diaphragm is made up of septum primum plate and septum secundum plate, the septum primum plate relies on first cylinder, the septum secundum plate relies on second cylinder, main bearing is arranged on the side of first cylinder, supplementary bearing is arranged on the side of second cylinder, and its structure characteristic is the thickness of the thickness＞septum secundum plate of septum primum plate.
Described exhaust passage is first exhaust passage, and this first exhaust passage is separately positioned on septum primum plate and the septum secundum plate, is surrounded jointly by septum primum plate and septum secundum plate.
Described exhaust passage is second exhaust passage, and this second exhaust passage is arranged on the septum primum plate.
Described second exhaust passage relies on septum secundum plate one side.
The height of the height of described first cylinder＞second cylinder.
The thickness of the thickness of the septum primum plate in the utility model＞septum secundum plate, the rigidity of this septum primum plate increases, distortion significantly reduces, easy to process, fabricating cost is also lower, simultaneously, the precision and the assembly deflections of septum primum plate obviously improve, therefore, first cylinder does not need very big gap can guarantee reliability, and the running efficiency of first cylinder obviously promotes.Though the rigidity of septum secundum plate reduces, the problem on deformation of septum secundum plate exists, but, because of second cylinder is an intermittent running, only opening running in the short period relatively, its efficient requires to relax does not a little have the significant adverse influence to the whole efficiency of compressor, therefore, the running clearance of second cylinder can suitably amplify, and then can relax slightly the required precision of septum secundum plate, and processing cost reduces thereupon greatly.
The utility model is by the appropriate design of dividing plate, improved the running efficiency of first cylinder, and then effectively promoted the whole efficiency of compressor, reduced the whole manufacturing of dividing plate, reduced manufacture cost, it has simple and reasonable, flexible operation, fabricating cost is low, running efficiency is high and advantage of wide range of application.
Description of drawings
Fig. 1 is the broken section structural representation of existing variable capacity rotation compressor.
Fig. 2 is the utility model first embodiment's a broken section structural representation.
Fig. 3 is the utility model second embodiment's a broken section structural representation.
Among the figure: 1 is housing, and 2 is second cylinder, and 3 is the second slide plate chamber, 4 is second slide plate, and 6 is second piston, and 7 is supplementary bearing, 8 is first cylinder, 9A is the septum primum plate, and 9B is the septum secundum plate, and 10 is the pressure switching mechanism, 11 is connecting tube, 12 is intercommunicating pore, and 20 is first exhaust passage, and 21 is second exhaust passage.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 2, the diaphragm structure of this variable volume compressor, be provided with first cylinder 8 that has first compression chamber in the housing 1 of variable volume compressor, have second cylinder 2 of second compression chamber and the central diaphragm that is used to separate first cylinder 8 and second cylinder 2, central diaphragm is provided with the exhaust passage, this central diaphragm is made up of septum primum plate 9A and septum secundum plate 9B, septum primum plate 9A relies on first cylinder 8, septum secundum plate 9B relies on second cylinder 2, main bearing is arranged on the side of first cylinder 8, supplementary bearing 7 is arranged on the side of second cylinder 2, the thickness d B of the thickness d A of septum primum plate 9A＞septum secundum plate 9B.The height of the height of first cylinder 8＞second cylinder 2.
In the present embodiment, the exhaust passage is first exhaust passage 20, and this first exhaust passage 20 is separately positioned on septum primum plate 9A and the septum secundum plate 9B, is surrounded jointly by septum primum plate 9A and septum secundum plate 9B.
During concrete the making, first exhaust passage 20 can form by the groove common combination that is separately positioned on septum primum plate 9A and septum secundum plate 9B junction.
Second embodiment
Referring to Fig. 3, in the present embodiment, the exhaust passage is second exhaust passage 21, and this second exhaust passage 21 is arranged on the septum primum plate 9A.Second exhaust passage 21 relies on septum secundum plate 9B one side.
During concrete the making, second exhaust passage 21 is made of the groove that is arranged on septum primum plate 9A, and septum secundum plate 9B goes up no groove, and septum secundum plate 9B only is used to seal this groove.
All the other are not stated part and see first embodiment, no longer repeat.
Claims (5)
1. the diaphragm structure of a variable volume compressor, be provided with first cylinder (8) that has first compression chamber in the housing of variable volume compressor (1), the central diaphragm that has second cylinder (2) of second compression chamber and be used to separate first cylinder (8) and second cylinder (2), central diaphragm is provided with the exhaust passage, this central diaphragm is made up of septum primum plate (9A) and septum secundum plate (9B), septum primum plate (9A) relies on first cylinder (8), septum secundum plate (9B) relies on second cylinder (2), main bearing is arranged on the side of first cylinder (8), supplementary bearing (7) is arranged on the side of second cylinder (2), it is characterized in that the thickness (dB) of thickness (dA)＞septum secundum plate (9B) of septum primum plate (9A).
2. the diaphragm structure of variable volume compressor according to claim 1, it is characterized in that described exhaust passage is first exhaust passage (20), this first exhaust passage (20) is separately positioned on septum primum plate (9A) and the septum secundum plate (9B), is surrounded jointly by septum primum plate (9A) and septum secundum plate (9B).
3. the diaphragm structure of variable volume compressor according to claim 1 is characterized in that described exhaust passage is second exhaust passage (21), and this second exhaust passage (21) is arranged on the septum primum plate (9A).
4. the diaphragm structure of variable volume compressor according to claim 3 is characterized in that described second exhaust passage (21) relies on septum secundum plate (9B) side.
5. according to the diaphragm structure of the arbitrary described variable volume compressor of claim 1 to 3, it is characterized in that the height of height＞second cylinder (2) of described first cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200608748U CN201991778U (en) | 2011-03-09 | 2011-03-09 | Baffle structure of variable capacity compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200608748U CN201991778U (en) | 2011-03-09 | 2011-03-09 | Baffle structure of variable capacity compressor |
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| Publication Number | Publication Date |
|---|---|
| CN201991778U true CN201991778U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200608748U Expired - Lifetime CN201991778U (en) | 2011-03-09 | 2011-03-09 | Baffle structure of variable capacity compressor |
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| CN (1) | CN201991778U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032328A (en) * | 2011-09-30 | 2013-04-10 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary type compressor |
| CN103291620A (en) * | 2012-02-24 | 2013-09-11 | 广东美芝制冷设备有限公司 | Multi-air-cylinder rotary compressor as well as control method thereof |
| CN106089655A (en) * | 2016-08-10 | 2016-11-09 | 珠海凌达压缩机有限公司 | Double-cylinder compressor and air conditioner adopting same |
| CN114856970A (en) * | 2022-04-26 | 2022-08-05 | 合肥凌达压缩机有限公司 | Baffle and compressor comprising same |
-
2011
- 2011-03-09 CN CN2011200608748U patent/CN201991778U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032328A (en) * | 2011-09-30 | 2013-04-10 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary type compressor |
| CN103032328B (en) * | 2011-09-30 | 2016-02-17 | 广东美芝制冷设备有限公司 | The rotary compressor of multi cylinder |
| CN103291620A (en) * | 2012-02-24 | 2013-09-11 | 广东美芝制冷设备有限公司 | Multi-air-cylinder rotary compressor as well as control method thereof |
| CN106089655A (en) * | 2016-08-10 | 2016-11-09 | 珠海凌达压缩机有限公司 | Double-cylinder compressor and air conditioner adopting same |
| CN106089655B (en) * | 2016-08-10 | 2018-07-17 | 珠海凌达压缩机有限公司 | Horizontal double-cylinder compressor and air conditioner adopting same |
| CN114856970A (en) * | 2022-04-26 | 2022-08-05 | 合肥凌达压缩机有限公司 | Baffle and compressor comprising same |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |