CN201330717Y - Adjustable centrifugal compressor - Google Patents
Adjustable centrifugal compressor Download PDFInfo
- Publication number
- CN201330717Y CN201330717Y CNU2009200496514U CN200920049651U CN201330717Y CN 201330717 Y CN201330717 Y CN 201330717Y CN U2009200496514 U CNU2009200496514 U CN U2009200496514U CN 200920049651 U CN200920049651 U CN 200920049651U CN 201330717 Y CN201330717 Y CN 201330717Y
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- Prior art keywords
- diffuser
- compressor
- vane
- vaneless
- impeller
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- 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.)
- Expired - Lifetime
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- 230000000694 effects Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 18
- 238000005057 refrigeration Methods 0.000 description 18
- 238000009792 diffusion process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses an adjustable centrifugal compressor, which comprises an impeller, a vane diffuser and a vaneless diffuser, wherein the vaneless diffuser is positioned between the vane diffuser and the impeller, the vaneless diffuser is connected with a mobile control part and can move under the action of the mobile control part, so that the width of the vaneless diffuser is adjustable, and the vane diffuser and the vaneless diffuser form a mixed diffuser; the air inlet of the impeller is communicated with the air suction port of the compressor, and the air outlet of the impeller is communicated with the blade diffuser through the vaneless diffuser. The utility model discloses have blade diffuser and no blade diffuser's advantage simultaneously, adjust through the width to adjustable no blade diffuser, can adapt to the different operating mode needs of compressor, when making the compressor keep high-efficient operation under design operating mode and partial load operating mode, can also effectually avoid the emergence of air current impact loss and surge, make the performance of compression obtain improving.
Description
Technical field
The utility model belongs to compressor field, is specifically related to a kind of adjustable centrifugal compressor.
Background technique
In existing centrifugal compressor structure, rear at impeller is provided with vane diffuser, it between vane diffuser inwall and the outer wall diffusion air flue, the air outlet of impeller communicates with the diffusion air flue, after refrigeration agent enters from the intakeport of compressor, the entry guide vane of compressed machine is adjusted the flow velocity and the flow of refrigeration agent, adjusts the refrigerating efficiency (being that compressor can be born different loads) of compressor with this; The refrigeration agent that enters compressor enters into the impeller of high speed rotating, under centrifugal action, be thrown out of the diffusion air flue of vane diffuser, as concerning the compressor of existing band vane diffuser, after swiftly flowing refrigeration agent flow in the diffusion air flue of vane diffuser, because the diffusion action of vane diffuser, with the refrigeration agent diffusion of original high velocity, low pressure is the refrigeration agent of low speed heavy pressure, spiral case is collected the high-pressure refrigerant of discharging from vane diffuser and it is discharged to exhaust outlet of compressor, but remaining of existing compressor: when the big aperture of entry guide vane is opened in following defective, the amount of refrigeration agent that enters into compressor is bigger, compressor is in the high load running state, refrigeration agent outwards output behind the vane diffuser diffusion that this moment is a large amount of, when the little aperture of entry guide vane is opened, the amount of refrigeration agent that enters into compressor is less, compressor is in the underrun state, and the diffusion air flue of vane diffuser does not change for the high load operating mode at this moment, can not effectively adapt to running on the lower load, refrigeration agent can produce gas shock in compressor, and may cause the generation of surge, influence the performance of compressor.
Summary of the invention
The purpose of this utility model is to provide a kind of adjustable centrifugal compressor, this compressor can be as required adjusts accordingly the size of diffusion air flue, when compressor is in low-load, can make compressor keep greater efficiency, also effectively prevent the generation of compressor surge, the performance of compressor is got a promotion.
The utility model is achieved through the following technical solutions:
A kind of adjustable centrifugal compressor, this compressor comprises impeller, vane diffuser and vaneless diffuser, vaneless diffuser is between vane diffuser and impeller, vaneless diffuser is connected with mobile control unit and can moves under the effect of this mobile control unit, and make the width-adjustable of vaneless diffuser, vane diffuser and vaneless diffuser form a hybrid type Diffuser; The suction port of impeller communicates with the compressor air suction mouth, and the air outlet of impeller communicates with vane diffuser by vaneless diffuser.
In the utility model, Diffuser is divided into two sections, with existing single vane diffuser, single vaneless diffuser is combined as the hybrid type Diffuser, the front end of this hybrid type Diffuser is a vaneless diffuser, the rear end is a vane diffuser, this hybrid type Diffuser can comprehensive two kinds of Diffusers advantage, can overcome simultaneously the shortcoming of two kinds of Diffusers, under the effect of mobile control unit, the width-adjustable of vaneless diffuser, when compressor moved under the different load situation, the amount that enters the refrigeration agent of impeller also can change, when keeping the efficient operation of compressor, can effectively reduce the generation of backflow and surge, make the moving row of compressor more reliable.
Further structure of the present utility model is:
This compressor also includes entry guide vane, described mobile control unit comprises eccentric cam and guide rod, the axis hole of eccentric cam and affixed with eccentric cam is passed in the rotating shaft of entry guide vane, and guide rod one end cooperates with eccentric cam, and the other end is connected with described vaneless diffuser.In the compressor operating process, can adjust the load condition of compressor by entry guide vane, when the entry guide vane aperture is big, the amount of refrigeration agent that enters compressor is relatively large, and refrigeration agent is thrown away adjustable diffusion air flue at a high speed under the effect of impeller, by vaneless diffuser the size of adjustable diffusion air flue is regulated, to adapt to the variation of working conditions of compressor, when compressor keeps efficient operation, can avoid the impact of refrigeration agent in compressor, effectively reduced the generation of surge; Described mobile control unit also comprises Returnning spring, and under this action of reset spring, described guide rod is pressed on the outer mold surface of described eccentric cam near an end of described eccentric cam.
Described mobile control unit also can be cylinder body, piston and piston rod, and cylinder body cooperates with piston, and an end of piston rod is connected with piston, and the other end is connected with described vaneless diffuser.By in cylinder body, feeding high pressure oil or high pressure air, be used to control the motion of vaneless diffuser.
Description of drawings
Fig. 1 is the utility model embodiment one a structural drawing;
Description of reference numerals:
1, impeller, 2, vane diffuser, 3, vaneless diffuser, 4, suction port, 5, the air outlet, 6, entry guide vane, 7 eccentric cams, 8, guide rod, 9, Returnning spring.
Embodiment
Embodiment one
As shown in Figure 1, a kind of adjustable centrifugal compressor, this compressor comprises impeller 1, vane diffuser 2 and vaneless diffuser 3, vaneless diffuser 3 is between vane diffuser 2 and impeller 1, vaneless diffuser 3 is connected with mobile control unit and can moves under the effect of this mobile control unit, and make the width-adjustable of vaneless diffuser 3, vane diffuser 2 form a hybrid type Diffuser with vaneless diffuser 3; The suction port 4 of impeller 1 communicates with the compressor air suction mouth, and the air outlet 5 of impeller 1 communicates with vane diffuser 2 by vaneless diffuser 3.
Wherein, this compressor also includes entry guide vane 6, mobile control unit comprises eccentric cam 7, guide rod 8 and Returnning spring 9, the axis hole of eccentric cam 7 and affixed with eccentric cam 7 is passed in the rotating shaft of entry guide vane 6, guide rod 8 one ends cooperate with eccentric cam 7, the other end is connected with vaneless diffuser 3, and under these Returnning spring 9 effects, an end of leading stalk 8 close eccentric cams 7 is pressed on the outer mold surface of eccentric cam 7.
Diffuser is divided into two sections, with existing single vane diffuser, single vaneless diffuser is combined as the hybrid type Diffuser, the front end of this hybrid type Diffuser is a vaneless diffuser 3, the rear end is a vane diffuser 2, this hybrid type Diffuser can comprehensive two kinds of Diffusers advantage, can overcome simultaneously the shortcoming of two kinds of Diffusers, under the effect of mobile control unit, the width-adjustable of vaneless diffuser 3, when compressor moves under the different load situation, the amount that enters the refrigeration agent of impeller also can change, promptly adjust the load condition of compressor by entry guide vane 6, when entry guide vane 6 apertures were big, the amount of refrigeration agent that enters compressor was relatively large, and refrigeration agent is thrown away vaneless diffuser 3 at a high speed under the effect of impeller 1, adjusting by vaneless diffuser 3, to adapt to the variation of working conditions of compressor, when compressor keeps efficient operation, can avoid the impact of refrigeration agent in compressor, can effectively reduce the generation of backflow and surge, make the moving row of compressor more reliable.
Embodiment two
In the present embodiment, described mobile control unit also comprises cylinder body, piston and piston rod, and cylinder body cooperates with piston, and an end of piston rod is connected with piston, and the other end is connected (not shown) with vaneless diffuser.In the present embodiment, by feed high pressure oil or high pressure air in cylinder body, be used to control the motion of vaneless diffuser, the working principle of vaneless diffuser is identical with embodiment one, repeats no more herein.
Claims (4)
1, a kind of adjustable centrifugal compressor, this compressor comprises impeller, vane diffuser and vaneless diffuser, vaneless diffuser is between vane diffuser and impeller, vaneless diffuser is connected with mobile control unit and can moves under the effect of this mobile control unit, and make the width-adjustable of vaneless diffuser, vane diffuser and vaneless diffuser form a hybrid type Diffuser; The suction port of impeller communicates with the compressor air suction mouth, and the air outlet of impeller communicates with vane diffuser by vaneless diffuser.
2, adjustable according to claim 1 centrifugal compressor, it is characterized in that, this compressor also includes entry guide vane, described mobile control unit comprises eccentric cam and guide rod, the axis hole of eccentric cam and affixed with eccentric cam is passed in the rotating shaft of entry guide vane, guide rod one end cooperates with eccentric cam, and the other end is connected with described vaneless diffuser.
3, as adjustable centrifugal compressor as described in the claim 2, it is characterized in that described mobile control unit also comprises Returnning spring, under this action of reset spring, described guide rod is pressed on the outer mold surface of described eccentric cam near an end of described eccentric cam.
4, adjustable according to claim 1 centrifugal compressor is characterized in that, described mobile control unit also comprises cylinder body, piston and piston rod, and cylinder body cooperates with piston, and an end of piston rod is connected with piston, and the other end is connected with described vaneless diffuser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200496514U CN201330717Y (en) | 2009-01-05 | 2009-01-05 | Adjustable centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200496514U CN201330717Y (en) | 2009-01-05 | 2009-01-05 | Adjustable centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201330717Y true CN201330717Y (en) | 2009-10-21 |
Family
ID=41224097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200496514U Expired - Lifetime CN201330717Y (en) | 2009-01-05 | 2009-01-05 | Adjustable centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201330717Y (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182710A (en) * | 2011-03-23 | 2011-09-14 | 清华大学 | Centrifugal compressor with asymmetrical vane-less diffusers and producing method thereof |
| CN101725568B (en) * | 2009-11-20 | 2012-05-30 | 无锡杰尔压缩机有限公司 | Diffusion guide vane synchronous adjusting mechanism of high-speed centrifugal fan |
| CN102979743A (en) * | 2012-12-24 | 2013-03-20 | 烟台蓝德空调工业有限责任公司 | Novel centrifugal compressor with heat insulation and noise reduction cavity |
| CN103115022A (en) * | 2011-11-17 | 2013-05-22 | 珠海格力电器股份有限公司 | Centrifugal compressor |
| CN103148021A (en) * | 2013-03-22 | 2013-06-12 | 清华大学 | Centrifugal compressor with inlet guide blades and turbocharger |
| CN103244461A (en) * | 2012-02-14 | 2013-08-14 | 珠海格力电器股份有限公司 | Low solidity blade diffuser and manufacturing method thereof |
| CN103498815A (en) * | 2013-10-01 | 2014-01-08 | 湖北双剑鼓风机股份有限公司 | Efficient flow adjusting device of compressor |
| CN103775353A (en) * | 2014-01-15 | 2014-05-07 | 势加透博（北京）科技有限公司 | Single-stage high-speed centrifugal compressor capable of realizing series development and method |
| CN104533838A (en) * | 2014-12-18 | 2015-04-22 | 珠海格力电器股份有限公司 | Adjustable diffuser |
| CN104632646A (en) * | 2014-03-12 | 2015-05-20 | 珠海格力电器股份有限公司 | Centrifugal compressor and centrifugal unit with same |
| WO2015070637A1 (en) * | 2013-11-18 | 2015-05-21 | 珠海格力电器股份有限公司 | Centrifugal compressor and centrifugal water chilling unit |
| CN104864620A (en) * | 2014-02-26 | 2015-08-26 | 荏原冷热系统株式会社 | Centrifugal refrigerator |
| CN106460855A (en) * | 2014-12-05 | 2017-02-22 | 大陆汽车有限公司 | Compressor having a variable diffuser width |
| CN108019356A (en) * | 2017-12-28 | 2018-05-11 | 湖南泵阀制造有限公司 | It is a kind of that there is the Multifunction centrifugal pump and pipe-line system for adjusting stream and break-in facility |
| CN108223338A (en) * | 2018-01-05 | 2018-06-29 | 陈正茂 | A kind of impeller, rotation cylinder, door plug air compressor machine |
| US10208758B2 (en) | 2015-11-12 | 2019-02-19 | Industrial Technology Research Institute | Internal hot gas bypass device coupled with inlet guide vane for centrifugal compressor |
| CN110131213A (en) * | 2018-02-09 | 2019-08-16 | 开利公司 | Centrifugal compressor with recirculation line |
| WO2019174498A1 (en) * | 2018-03-15 | 2019-09-19 | 山东天瑞重工有限公司 | Magnetic suspension compressor flow regulating device |
| EP3693613A1 (en) * | 2019-02-11 | 2020-08-12 | Carrier Corporation | Rotating diffuser in centrifugal compressor |
| CN112664456A (en) * | 2020-12-21 | 2021-04-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, compressor and air conditioner with same |
| CN112963977A (en) * | 2021-04-06 | 2021-06-15 | 青岛腾远设计事务所有限公司 | Centrifugal compressor and water chilling unit |
| CN113357193A (en) * | 2021-06-25 | 2021-09-07 | 山东天瑞重工有限公司 | Inlet guide vane adjusting device and air blower |
-
2009
- 2009-01-05 CN CNU2009200496514U patent/CN201330717Y/en not_active Expired - Lifetime
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725568B (en) * | 2009-11-20 | 2012-05-30 | 无锡杰尔压缩机有限公司 | Diffusion guide vane synchronous adjusting mechanism of high-speed centrifugal fan |
| CN102182710B (en) * | 2011-03-23 | 2013-07-17 | 清华大学 | Centrifugal compressor with asymmetrical vane-less diffusers and producing method thereof |
| CN102182710A (en) * | 2011-03-23 | 2011-09-14 | 清华大学 | Centrifugal compressor with asymmetrical vane-less diffusers and producing method thereof |
| CN103115022B (en) * | 2011-11-17 | 2015-04-29 | 珠海格力电器股份有限公司 | Centrifugal compressor |
| CN103115022A (en) * | 2011-11-17 | 2013-05-22 | 珠海格力电器股份有限公司 | Centrifugal compressor |
| CN103244461A (en) * | 2012-02-14 | 2013-08-14 | 珠海格力电器股份有限公司 | Low solidity blade diffuser and manufacturing method thereof |
| CN103244461B (en) * | 2012-02-14 | 2016-03-30 | 珠海格力电器股份有限公司 | Low solidity blade diffuser and manufacturing method thereof |
| CN102979743A (en) * | 2012-12-24 | 2013-03-20 | 烟台蓝德空调工业有限责任公司 | Novel centrifugal compressor with heat insulation and noise reduction cavity |
| CN103148021A (en) * | 2013-03-22 | 2013-06-12 | 清华大学 | Centrifugal compressor with inlet guide blades and turbocharger |
| CN103148021B (en) * | 2013-03-22 | 2016-06-08 | 清华大学 | There is centrifugal compressor and the turbocharger of entry guide vane |
| CN103498815A (en) * | 2013-10-01 | 2014-01-08 | 湖北双剑鼓风机股份有限公司 | Efficient flow adjusting device of compressor |
| WO2015070637A1 (en) * | 2013-11-18 | 2015-05-21 | 珠海格力电器股份有限公司 | Centrifugal compressor and centrifugal water chilling unit |
| CN104653476A (en) * | 2013-11-18 | 2015-05-27 | 珠海格力电器股份有限公司 | Centrifugal compressor and centrifugal water chilling unit |
| US10302097B2 (en) | 2013-11-18 | 2019-05-28 | Gree Electric Appliances, Inc. Of Zhuhai | Centrifugal compressor and centrifugal water chilling unit |
| CN103775353A (en) * | 2014-01-15 | 2014-05-07 | 势加透博（北京）科技有限公司 | Single-stage high-speed centrifugal compressor capable of realizing series development and method |
| CN104864620A (en) * | 2014-02-26 | 2015-08-26 | 荏原冷热系统株式会社 | Centrifugal refrigerator |
| CN104864620B (en) * | 2014-02-26 | 2019-01-01 | 荏原冷热系统株式会社 | Centrifugal refrierator |
| CN104632646A (en) * | 2014-03-12 | 2015-05-20 | 珠海格力电器股份有限公司 | Centrifugal compressor and centrifugal unit with same |
| WO2015135282A1 (en) * | 2014-03-12 | 2015-09-17 | 珠海格力电器股份有限公司 | Centrifugal compressor and centrifugal facility having same |
| RU2664050C2 (en) * | 2014-03-12 | 2018-08-14 | Грии Електрик Апплиансес. Инк. Оф Чжухай | Centrifugal compressor and centrifugal unit, equipped therewith |
| US10323653B2 (en) | 2014-03-12 | 2019-06-18 | Gree Electric Appliances, Inc. Of Zhuhai | Centrifugal compressor and centrifugal unit having the same |
| JP2017508100A (en) * | 2014-03-12 | 2017-03-23 | グリー エレクトリック アプライアンスィズ，インコーポレーテッド オブ ジュハイ | Centrifugal compressor and centrifuge unit provided with the same |
| EP3118462A4 (en) * | 2014-03-12 | 2017-11-08 | Gree Electric Appliances, Inc. of Zhuhai | Centrifugal compressor and centrifugal facility having same |
| CN106460855A (en) * | 2014-12-05 | 2017-02-22 | 大陆汽车有限公司 | Compressor having a variable diffuser width |
| CN104533838A (en) * | 2014-12-18 | 2015-04-22 | 珠海格力电器股份有限公司 | Adjustable diffuser |
| US10208758B2 (en) | 2015-11-12 | 2019-02-19 | Industrial Technology Research Institute | Internal hot gas bypass device coupled with inlet guide vane for centrifugal compressor |
| CN108019356A (en) * | 2017-12-28 | 2018-05-11 | 湖南泵阀制造有限公司 | It is a kind of that there is the Multifunction centrifugal pump and pipe-line system for adjusting stream and break-in facility |
| CN108223338A (en) * | 2018-01-05 | 2018-06-29 | 陈正茂 | A kind of impeller, rotation cylinder, door plug air compressor machine |
| CN110131213A (en) * | 2018-02-09 | 2019-08-16 | 开利公司 | Centrifugal compressor with recirculation line |
| WO2019174498A1 (en) * | 2018-03-15 | 2019-09-19 | 山东天瑞重工有限公司 | Magnetic suspension compressor flow regulating device |
| EP3693613A1 (en) * | 2019-02-11 | 2020-08-12 | Carrier Corporation | Rotating diffuser in centrifugal compressor |
| US11346366B2 (en) | 2019-02-11 | 2022-05-31 | Carrier Corporation | Rotating diffuser in centrifugal compressor |
| CN112664456A (en) * | 2020-12-21 | 2021-04-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, compressor and air conditioner with same |
| CN112963977A (en) * | 2021-04-06 | 2021-06-15 | 青岛腾远设计事务所有限公司 | Centrifugal compressor and water chilling unit |
| CN113357193A (en) * | 2021-06-25 | 2021-09-07 | 山东天瑞重工有限公司 | Inlet guide vane adjusting device and air blower |
| CN113357193B (en) * | 2021-06-25 | 2023-01-20 | 山东天瑞重工有限公司 | Inlet guide vane adjusting device and air blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |