CN202326242U - Dual-rotor compressor and air conditioner and heat pump water heater with same - Google Patents
Dual-rotor compressor and air conditioner and heat pump water heater with same Download PDFInfo
- Publication number
- CN202326242U CN202326242U CN 201120471769 CN201120471769U CN202326242U CN 202326242 U CN202326242 U CN 202326242U CN 201120471769 CN201120471769 CN 201120471769 CN 201120471769 U CN201120471769 U CN 201120471769U CN 202326242 U CN202326242 U CN 202326242U
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- dual
- cover plate
- spool compressor
- utility
- oil
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Abstract
The utility model provides a dual-rotor compressor and air conditioner and heat pump water heater with the same. The dual-rotor compressor comprises a lower cylinder, an upper cylinder, and a baffle plate arranged between the lower cylinder and the upper cylinder. The dual-rotor compressor also comprises a lower flange fixedly arranged on the lower part of the lower cylinder, and a cover board, wherein an enclosed cavity is formed between the cover board and the lower upper flange, and an oil storage structure is arranged on the surface of the cover board, which faces the inner side of the cavity. The air conditioner provided by the utility comprises the dual-rotor compressor. The heat pump water heater provided by the utility model comprises the dual-rotor compressor. According to the dual-rotor compressor and the air conditioner and the heat pump water heater with the same, the oil storage structure is arranged on the cover board, liquid resided in the enclosed cavity between the lower flange and the cover board enters the oil storage structure, gas exhausted from the lower cylinder is difficult in carrying a large quantity of oil or liquid once to enter the upper cylinder, thus the liquid impact is prevented, and the reliability of the compressor is improved.
Description
Technical field
The utility model relates to refrigerating field, in particular to a kind of two-spool compressor and have its air conditioner and heat pump water heater.
Background technique
Present two-spool compressor, the closed chamber that lower flange and cover plate form, the cover plate place is smooth plane; After the compressor shutdown; Remain in the liquid in the lower flange, can be attached to the surface of cover plate, when compressor brings into operation once more; The gas of discharging from lower cylinder is easy to directly take away liquid in the lower flange to upper cylinder, thereby causes upper cylinder generation liquid hit phenomenon.
The model utility content
The utility model aims to provide a kind of safe and reliable two-spool compressor and has its air conditioner and heat pump water heater, to solve the problem that lower flange and the liquid in the cover plate formation closed chamber cause compressor generation liquid hammer.
Two-spool compressor according to the utility model; Comprise lower cylinder and upper cylinder, and the dividing plate between lower cylinder and upper cylinder, also comprise lower flange; Lower flange is fixedly installed on the lower cylinder bottom; Also comprise cover plate, form closed cavity between cover plate and the lower flange, cover plate is provided with oil-bearing structure towards the inboard surface of cavity.
Further, oil-bearing structure is a plurality of blind holes.
Further, a plurality of blind holes are that the center is along circumferentially being evenly distributed on the cover plate with the center of cover plate.
Further, oil-bearing structure is an annular groove.
Further, the center of annular groove overlaps with the center of cover plate.
Further, annular groove is one or more.
Further, oil-bearing structure comprises a plurality of blind holes, is communicated with through annular groove between a plurality of blind holes.
The utility model also provides a kind of air conditioner, comprises aforesaid two-spool compressor.
The utility model also provides a kind of heat pump water heater, comprises aforesaid two-spool compressor.
According to the two-spool compressor of the utility model and have its air conditioner and heat pump water heater; Because cover plate is provided with oil-bearing structure; The liquid that remains in the closed chamber between lower flange and the cover plate gets in the oil-bearing structure; The gas of discharging from lower cylinder is difficult for once taking away a large amount of oil or liquid entering upper cylinder, thereby prevents the generation of liquid hammer, improves the reliability of compressor.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation according to the two-spool compressor of the utility model;
Fig. 2 is the pump body structure exploded view according to the two-spool compressor of the utility model;
Fig. 3 is the structural representation according to first embodiment of the cover plate of the two-spool compressor of the utility model;
Fig. 4 is the structural representation according to second embodiment of the cover plate of the two-spool compressor of the utility model;
Fig. 5 be Fig. 4 along A-A to sectional view; And
Fig. 6 is the perspective view according to second embodiment of the cover plate of the two-spool compressor of the utility model.
Embodiment
Below with reference to accompanying drawing and combine embodiment to specify the utility model.
As depicted in figs. 1 and 2; Two-spool compressor according to the utility model; Mainly comprise with lower component, mounting plate 1, lower cover 2, increase enthalpy bend pipe 3, lower cylinder 4, upper cylinder 5, upper flange 6, motor 7, loam cake 8, wiring terminal 9, outlet pipe 10, liquor separator 11, go up roller 12, dividing plate 13, lower roller 14, lower flange 15, cover plate 16, bent axle 17.Wherein upper flange 6, upper cylinder 5, dividing plate 13, lower cylinder 4, lower flange 15 and cover plate 16 form pump assembly through screw attachment together; And the confined air chien shih of lower flange 15 and cover plate 16 formation is from the gas of lower cylinder 4 discharges with from increasing the gas mixing that enthalpy bend pipe 3 is come in; And enter into upper cylinder 5 and compress; And, accomplish the whole compression process of compressor from upper flange 6 discharges.
Shown in Fig. 3 to 6; Be provided with oil-bearing structure at cover plate 16 towards the inboard surface of cavity; The liquid that remains in the closed chamber between lower flange and the cover plate gets in the oil-bearing structure; Thereby be difficult for once taking away a large amount of oil or liquid gets into upper cylinder from the gas that lower cylinder is discharged, thus prevent the generation of liquid hammer, improve the reliability of compressor.
Preferably; As shown in Figure 3, oil-bearing structure is a plurality of blind hole 16a, and a plurality of blind hole 16a are that the center is along circumferentially being evenly distributed on the cover plate 15 with the center of cover plate 15; The liquid that helps overstocking converges among the blind hole 16a; Be convenient to processing, the liquid among the blind hole 16a in the storage compressor, the gas of discharging from lower cylinder is difficult for once taking away the generation that a large amount of oily or liquid entering upper cylinders prevents liquid hammer.
Preferably, like Fig. 4 and shown in Figure 5, oil-bearing structure is annular groove 16b, and the center of annular groove 16b overlaps with the center of cover plate 16, and the liquid that helps overstocking converges in the annular groove, also is convenient to processing simultaneously.
More preferably; As shown in Figure 6; Be communicated with through annular groove 16b between a plurality of oil storage blind hole 16a, make independently that blind hole 16a is interconnected, the liquid of the diverse location that is distributed in can be flowed each other; Prevent that the amount of liquid that different parts is pulled away from varying in size, and then residual liquid on the cover board is pulled away.Oil-bearing structure can be annular groove 16b only also, can reach above-mentioned effect equally.
The utility model also provides a kind of air conditioner, comprises aforesaid two-spool compressor.
The utility model also provides a kind of heat pump water heater, comprises aforesaid two-spool compressor.
From above description, can find out that the utility model the above embodiments have realized following technique effect:
According to the two-spool compressor of the utility model and have its air conditioner and heat pump water heater; Because cover plate is provided with oil-bearing structure; The liquid that remains in the closed chamber between lower flange and the cover plate gets in the oil-bearing structure; The gas of discharging from lower cylinder is difficult for once taking away a large amount of oil or liquid entering upper cylinder, thereby prevents the generation of liquid hammer, improves the reliability of compressor.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. two-spool compressor comprises:
Lower cylinder (4) and upper cylinder (5), and be positioned at the dividing plate (13) between said lower cylinder (4) and the said upper cylinder (5);
Also comprise lower flange (15), said lower flange (15) is fixedly installed on said lower cylinder (4) bottom;
Also comprise cover plate (16), form closed cavity between said cover plate (16) and the said lower flange (15);
It is characterized in that said cover plate (16) is provided with oil-bearing structure towards the inboard surface of said cavity.
2. two-spool compressor according to claim 1 is characterized in that, said oil-bearing structure is a plurality of blind holes (16a).
3. two-spool compressor according to claim 2 is characterized in that, a plurality of said blind holes (16a) are that the center is along circumferentially being evenly distributed on the said cover plate (16) with the center of said cover plate (16).
4. two-spool compressor according to claim 1 is characterized in that, said oil-bearing structure is annular groove (16b).
5. two-spool compressor according to claim 4 is characterized in that, the center of said annular groove (16b) overlaps with the center of said cover plate (16).
6. two-spool compressor according to claim 4 is characterized in that, said annular groove (16b) is one or more.
7. two-spool compressor according to claim 1 is characterized in that, said oil-bearing structure comprises a plurality of blind holes (16a), is communicated with through annular groove (16b) between a plurality of said blind holes (16a).
8. an air conditioner comprises two-spool compressor, it is characterized in that, described two-spool compressor is each described two-spool compressor in the claim 1 to 7.
9. a heat pump water heater comprises two-spool compressor, it is characterized in that, described two-spool compressor is each described two-spool compressor in the claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120471769 CN202326242U (en) | 2011-11-23 | 2011-11-23 | Dual-rotor compressor and air conditioner and heat pump water heater with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120471769 CN202326242U (en) | 2011-11-23 | 2011-11-23 | Dual-rotor compressor and air conditioner and heat pump water heater with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326242U true CN202326242U (en) | 2012-07-11 |
Family
ID=46438224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120471769 Withdrawn - After Issue CN202326242U (en) | 2011-11-23 | 2011-11-23 | Dual-rotor compressor and air conditioner and heat pump water heater with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326242U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133349A (en) * | 2011-11-23 | 2013-06-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Birotor compressor, and air conditioner and heat-pump water heater with the birotor compressor |
| CN107002686A (en) * | 2014-12-19 | 2017-08-01 | 富士通将军股份有限公司 | Rotary compressor |
| CN108386357A (en) * | 2018-04-18 | 2018-08-10 | 北京燕都碧城科技有限公司 | A kind of single screw compressor anti-liquid impact device |
| CN110454397A (en) * | 2019-07-02 | 2019-11-15 | 珠海格力电器股份有限公司 | Compressor flange structure and compressor |
| US10563655B2 (en) | 2016-11-14 | 2020-02-18 | Fujitsu General Limited | Rotary compressor for compressing refrigerant using cylinder |
-
2011
- 2011-11-23 CN CN 201120471769 patent/CN202326242U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133349A (en) * | 2011-11-23 | 2013-06-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Birotor compressor, and air conditioner and heat-pump water heater with the birotor compressor |
| CN103133349B (en) * | 2011-11-23 | 2016-03-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Two-spool compressor and there is its air conditioner and heat pump water heater |
| CN107002686A (en) * | 2014-12-19 | 2017-08-01 | 富士通将军股份有限公司 | Rotary compressor |
| US10458408B2 (en) | 2014-12-19 | 2019-10-29 | Fujitsu General Limited | Rotary compressor having communication path hole overlap with discharge chamber concave portion |
| US10563655B2 (en) | 2016-11-14 | 2020-02-18 | Fujitsu General Limited | Rotary compressor for compressing refrigerant using cylinder |
| CN108386357A (en) * | 2018-04-18 | 2018-08-10 | 北京燕都碧城科技有限公司 | A kind of single screw compressor anti-liquid impact device |
| CN108386357B (en) * | 2018-04-18 | 2024-05-28 | 北京燕都碧城科技有限公司 | Liquid impact preventing device of single screw compressor |
| CN110454397A (en) * | 2019-07-02 | 2019-11-15 | 珠海格力电器股份有限公司 | Compressor flange structure and compressor |
| CN110454397B (en) * | 2019-07-02 | 2020-05-19 | 珠海格力电器股份有限公司 | Compressor flange structure and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |