CN104047860A - Double stage compressor cylinder and double stage compressor possessing it - Google Patents
Double stage compressor cylinder and double stage compressor possessing it Download PDFInfo
- Publication number
- CN104047860A CN104047860A CN201310096178.6A CN201310096178A CN104047860A CN 104047860 A CN104047860 A CN 104047860A CN 201310096178 A CN201310096178 A CN 201310096178A CN 104047860 A CN104047860 A CN 104047860A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- pilot hole
- compound compressor
- adjacent
- stage compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention provides a double stage compressor cylinder and a double stage compressor possessing it. The cylinder is provided with N assembling holes used for assembling, a largest angle between adjacent assembling holes is alpha, a smallest angle between the adjacent assembling holes is beta, the largest angle alpha, the smallest angle beta and the total number N of the assembling holes meet formulas of alpha/(2phi/N)<2 and beta/(2phi/N)>0.4, and the total number N of the assembling holes is not lower than 4. The double stage compressor cylinder allowing the positions of the assembling holes distributed on the cylinder to be reasonably arranged guarantees the sealing and deformation of the compressor in a reliable range, optimizes the design of a medium pressure circulation channel and improves the performance of the double stage compressor.
Description
Technical field
The present invention relates to compressor field, more particularly, relate to a kind of cylinder body of compound compressor and there is its compound compressor.
Background technique
During compound compressor work, refrigerant enters low pressure stage cylinder and carries out one-level compression, is mixed into high pressure stage cylinder carries out two-stage compression after discharging with middle pressure tonifying Qi, completes whole press cycles.From low pressure stage be vented to high pressure stage air-breathing baric flow circulation passage be the significant points of compound compressor, for the moving drag losses of baric flow in can reducing, improve compressor performance, baric flow circulation passage length in needing to shorten, increase circulation area.
In prior art, the middle baric flow circulation passage of compound compressor designs at pump body with baric flow circulation passage length, increase circulation area in shortening.Design is in the size of the middle baric flow circulation passage of pump body and the distribution of position influence Pump Body Parts pilot hole position.Usually, pilot hole is uniformly distributed on cylinder, is conducive to the sealing of part and reduces part deformation amount, improves the reliability of compressor, and still, equally distributed pilot hole position will be unfavorable for the design of middle baric flow circulation passage, thereby affects the performance of compressor.
Summary of the invention
The object of the present invention is to provide the circulation area of baric flow circulation passage in a kind of can increase, the cylinder of the assurance sealing of compressor and the compound compressor of reliability and the compound compressor with it.
In order to solve compound compressor because middle baric flow circulation passage design affects the sealing of compresser cylinder and the technical problem of reliability at pump body, the invention provides a kind of cylinder of compound compressor, on described cylinder, be provided with N the pilot hole for assembling, maximum angle between adjacent described pilot hole is α, minimum angle between adjacent described pilot hole is β, described maximum angle α, between described minimum angle β and pilot hole sum N, meet: α/(2 π/N) <2, and β/(2 π/N) >0.4, wherein said pilot hole sum N>=4.
The cylinder of compound compressor provided by the invention, has carried out rational arrangement to being distributed in the position of the pilot hole on cylinder, guarantees the sealing of compressor and is out of shape in confidence band, makes middle baric flow circulation passage design optimization, improves the performance of compound compressor.
Further, between described maximum angle α, described minimum angle β and pilot hole sum N, meet: α/(2 π/N) <1.6, and β/(2 π/N) >0.5, wherein said pilot hole sum N>=4.
Further, form on the cylinder between the adjacent pilot hole of described maximum angle α and be provided with vane slot.
Further, form on the cylinder between the adjacent pilot hole of described maximum angle α and be provided with middle baric flow circulation passage.
Further, form on the cylinder between the adjacent pilot hole of described maximum angle α and be provided with air intake passage.
Further, form on the cylinder between the adjacent pilot hole of described maximum angle α and be provided with relief opening.
Further, form on the cylinder between the adjacent pilot hole of described maximum angle α and be provided with vane slot, middle baric flow circulation passage, air intake passage and relief opening.
Further, form on the cylinder between the adjacent pilot hole of described minimum angle β and be provided with air supply passage.
From above-mentioned technological scheme, can find out, compound compressor provided by the invention reasonably designs a plurality of pilot holes position being distributed on cylinder, impact according to the minimum and maximum angle between adjacent pilot hole on cylinder seal and middle baric flow circulation passage area, optimize the position relationship between pilot hole quantity and each functional hole, improve the performance of compound compressor.
Compound compressor comprises the pump housing and a motor, and the described pump housing comprises cylinder, and described cylinder is the cylinder described in above-mentioned any one.
The beneficial effect being had from the cylinder of above-mentioned compound compressor, the compound compressor with this compound compressor cylinder also has its identical technique effect, does not repeat them here.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the cylinder embodiment's 1 of compound compressor of the present invention structural representation;
Fig. 2 is the cylinder embodiment's 2 of compound compressor of the present invention structural representation;
Embodiment
Below in conjunction with accompanying drawing, technological scheme of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Mode of execution 1
As shown in Figure 1, the present invention is problem for convenience of explanation, the pilot hole being arranged on cylinder is made as to four, be N=4, on cylinder 1, between adjacent the second pilot hole 11 and the 3rd pilot hole 12, form maximum angle α, on cylinder 1, between adjacent the first pilot hole 10 and the 4th pilot hole 13, form minimum angle β, now, maximum angle α, minimum angle β and pilot hole sum N are according to following relation: α/(2 π/N) <2, and β/(2 π/N) >0.4 arranges, be 180 ° of α <, β > is 36 ° simultaneously, guaranteed the sealing of compound compressor and be out of shape in confidence band.
As preferred embodiment, the present invention by maximum angle α, minimum angle β and pilot hole sum N according to following relation: α/(2 π/N) <1.6, and during β/(2 π/N) >0.5 design, be 144 ° of α <, during 45 ° of β >, the cylinder pilot hole of compound compressor distributes more excellent, can make cylinder when assembling, obtain preferably sealing and reliability.
Angle between the second pilot hole 11 and the 3rd pilot hole 12 is maximum, have more spatial design other functional hole or grooves, the present invention can at least be provided with in vane slot, intermediate flow channel, relief opening or intakeport on the cylinder location between the second pilot hole 11 and the 3rd pilot hole 12.
For Dual-level enthalpy adding compressor, need on the pump housing, offer the gas supplementing opening for tonifying Qi, according to technological scheme of the present invention, in order to make the setting position of gas supplementing opening on cylinder 1 rationally compact, by research, find, gas supplementing opening is arranged between first pilot hole 10 and the 4th pilot hole 13 of cylinder 1, can be more compact so that there is the compound compressor air cylinder structure of enthalpy-increasing function, it is larger that the area of intermediate flow channel can design, and the performance of compressor further improves.
From above-mentioned technological scheme, can find out, compound compressor provided by the invention reasonably designs a plurality of pilot holes position being distributed on cylinder 1, impact according to the minimum and maximum angle between adjacent pilot hole on cylinder seal and middle baric flow circulation passage area, optimize the position relationship between pilot hole quantity and each functional hole, improve the performance of compound compressor.
Mode of execution 2
As shown in Fig. 2 institute, be originally implemented on cylinder 2 and design 5 pilot holes, all the other are identical with mode of execution 1, and the present embodiment emphasis is set forth the distinctive points with mode of execution 1, and something in common repeats no more.
On cylinder 2 adjacent the 3rd pilot hole 22 and the 4th pilot hole 23 between form maximum angle α, on cylinder 2, between adjacent the second pilot hole 21 and the 3rd pilot hole 22, form minimum angle β, the first adjacent pilot hole 20 and the 5th pilot hole 24 arrange near the second pilot hole 21 and the 4th pilot hole 23 respectively.Now, maximum angle α, minimum angle β and pilot hole sum N are according to following relation: α/(2 π/N) <2, and β/(2 π/N) >0.4 arranges, be 144 ° of α <, β > is 28.8 ° simultaneously, has guaranteed the sealing of compound compressor and has been out of shape in confidence band.
As preferred embodiment, the present invention by maximum angle α, minimum angle β and pilot hole sum N according to following relation: α/(2 π/N) <1.6, and during β/(2 π/N) >0.5 design, be 115.2 ° of α <, during 36 ° of β >, 5 pilot holes that distribute on the cylinder of compound compressor distribute more excellent, can make cylinder when assembling, obtain preferably sealing and reliability.
A kind of compound compressor that another one of the present invention aspect provides, comprises the pump housing and motor, and the described pump housing comprises cylinder, and described cylinder is the cylinder described in above-mentioned any one.The beneficial effect being had from the cylinder of above-mentioned compound compressor, the compound compressor with this compound compressor cylinder also has its identical technique effect.Do not repeat them here.
In this specification, technological scheme emphasis is described inventive point, and all the other parts same as the prior art, referring to prior art.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can be in the situation that do not depart from the spirit or scope of the embodiment of the present invention, realization in other embodiments.Therefore, the embodiment of the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the cylinder of a compound compressor, on described cylinder, be provided with N the pilot hole for assembling, maximum angle between adjacent described pilot hole is α, minimum angle β between adjacent described pilot hole, it is characterized in that, between described maximum angle α, described minimum angle β and pilot hole sum N, meet: α/(2 π/N) <2, and β/(2 π/N) >0.4, wherein said pilot hole sum N>=4.
2. the cylinder of compound compressor according to claim 1, it is characterized in that, between described maximum angle α, described minimum angle β and pilot hole sum N, meet: α/(2 π/N) <1.6, and β/(2 π/N) >0.5, wherein said pilot hole sum N>=4.
3. the cylinder of compound compressor according to claim 1 and 2, is characterized in that, forms on the cylinder between the adjacent pilot hole of described maximum angle α and is provided with vane slot.
4. the cylinder of compound compressor according to claim 1 and 2, is characterized in that, forms on the cylinder between the adjacent pilot hole of described maximum angle α and is provided with middle baric flow circulation passage.
5. the cylinder of compound compressor according to claim 1 and 2, is characterized in that, forms on the cylinder between the adjacent pilot hole of described maximum angle α and is provided with air intake passage.
6. the cylinder of compound compressor according to claim 1 and 2, is characterized in that, forms on the cylinder between the adjacent pilot hole of described maximum angle α and is provided with relief opening.
7. the cylinder of compound compressor according to claim 1 and 2, is characterized in that, forms on the cylinder between the adjacent pilot hole of described maximum angle α and is provided with vane slot, middle baric flow circulation passage, air intake passage and relief opening.
8. the cylinder of compound compressor according to claim 1 and 2, is characterized in that, forms on the cylinder between the adjacent pilot hole of described minimum angle β and is provided with air supply passage.
9. the cylinder of compound compressor according to claim 7, is characterized in that, forms on the cylinder between the adjacent pilot hole of described minimum angle β and is provided with air supply passage.
10. a compound compressor, comprises the pump housing and motor, and the described pump housing comprises cylinder, it is characterized in that, described cylinder is the cylinder described in the claims 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096178.6A CN104047860A (en) | 2013-03-16 | 2013-03-22 | Double stage compressor cylinder and double stage compressor possessing it |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320120495 | 2013-03-16 | ||
| CN201320120495.2 | 2013-03-16 | ||
| CN201310096178.6A CN104047860A (en) | 2013-03-16 | 2013-03-22 | Double stage compressor cylinder and double stage compressor possessing it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104047860A true CN104047860A (en) | 2014-09-17 |
Family
ID=49022737
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310096178.6A Pending CN104047860A (en) | 2013-03-16 | 2013-03-22 | Double stage compressor cylinder and double stage compressor possessing it |
| CN 201320135026 Expired - Lifetime CN203161548U (en) | 2013-03-16 | 2013-03-22 | Air cylinder of two-stage compressor and two-stage compressor with same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320135026 Expired - Lifetime CN203161548U (en) | 2013-03-16 | 2013-03-22 | Air cylinder of two-stage compressor and two-stage compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104047860A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019119751A1 (en) * | 2017-12-20 | 2019-06-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and assembly method therefor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047860A (en) * | 2013-03-16 | 2014-09-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Double stage compressor cylinder and double stage compressor possessing it |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08338384A (en) * | 1995-06-09 | 1996-12-24 | Toshiba Corp | Horizontal type rotary compressor |
| JPH09158874A (en) * | 1995-12-11 | 1997-06-17 | Toshiba Corp | Hermetic compressor |
| CN1896531A (en) * | 2005-07-12 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Blade spring arrangement of rotary compressor |
| CN102094823A (en) * | 2009-12-10 | 2011-06-15 | 广东美芝制冷设备有限公司 | Cylinder assembly and core-adjusting method for cylinder of double-cylinder rotary compressor |
| CN203161548U (en) * | 2013-03-16 | 2013-08-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Air cylinder of two-stage compressor and two-stage compressor with same |
-
2013
- 2013-03-22 CN CN201310096178.6A patent/CN104047860A/en active Pending
- 2013-03-22 CN CN 201320135026 patent/CN203161548U/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08338384A (en) * | 1995-06-09 | 1996-12-24 | Toshiba Corp | Horizontal type rotary compressor |
| JPH09158874A (en) * | 1995-12-11 | 1997-06-17 | Toshiba Corp | Hermetic compressor |
| CN1896531A (en) * | 2005-07-12 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Blade spring arrangement of rotary compressor |
| CN102094823A (en) * | 2009-12-10 | 2011-06-15 | 广东美芝制冷设备有限公司 | Cylinder assembly and core-adjusting method for cylinder of double-cylinder rotary compressor |
| CN203161548U (en) * | 2013-03-16 | 2013-08-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Air cylinder of two-stage compressor and two-stage compressor with same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019119751A1 (en) * | 2017-12-20 | 2019-06-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and assembly method therefor |
| US11506203B2 (en) | 2017-12-20 | 2022-11-22 | Gree Green Refrigeration Technology Center Co., Ltd. Of Zhuhai | Pump body assembly and assembly method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203161548U (en) | 2013-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105114327A (en) | Multi-stage compressor and refrigerating system provided with same | |
| CN202250938U (en) | Multi-stage refrigeration compressor and middle gas supplementation structure thereof | |
| CN103486041B (en) | Roots pump rotor | |
| WO2013158554A3 (en) | Supercharger rotor with uneven tip surface and method of manufacturing same | |
| CN103206389B (en) | Multistage refrigeration compressor and second vapor injection structure thereof | |
| CN104047860A (en) | Double stage compressor cylinder and double stage compressor possessing it | |
| CN101979880B (en) | Screw compressor | |
| CN204006307U (en) | The air-conditioner with unloading function | |
| CN203257684U (en) | Combination type screw compressor energy and internal volume ratio slide valve adjustment mechanism | |
| CN202532804U (en) | Air return channel for refrigerator | |
| MX2017015002A (en) | Enhanced vapor injection air conditioning system. | |
| CN202441619U (en) | Multilevel refrigeration compressor and intermediate air supplying mechanism thereof | |
| CN218882655U (en) | Hydraulic oil circuit flow passage structure of multistage hydraulic oil cylinder | |
| CN201835865U (en) | Movable normal refrigerating system of rescue system for mines | |
| KR102242216B1 (en) | Multistage trim for control valves | |
| CN105604916A (en) | Compressor valve plate and compressor valve assembly | |
| CN203756586U (en) | Sealing part and centrifugal compressor | |
| CN203867899U (en) | Multistage compressor | |
| CN204627678U (en) | A kind of cooling air bleed structure of gas turbine turbine rotor | |
| CN208010993U (en) | A kind of air valve | |
| CN108035879A (en) | The increasing enthalpy structure and screw compressor of compressor | |
| CN210565071U (en) | Oil-free vortex type air compressor with built-in one-way valve | |
| CN204027104U (en) | Flash evaporation and the air-conditioning with this flash evaporation | |
| CN209101594U (en) | Refrigeration system | |
| CN209414178U (en) | Check valve assembly, compressor and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140917 |