CN201771772U - Sliding vane of compressor - Google Patents
Sliding vane of compressor Download PDFInfo
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- CN201771772U CN201771772U CN2010202528847U CN201020252884U CN201771772U CN 201771772 U CN201771772 U CN 201771772U CN 2010202528847 U CN2010202528847 U CN 2010202528847U CN 201020252884 U CN201020252884 U CN 201020252884U CN 201771772 U CN201771772 U CN 201771772U
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Abstract
The utility model provides a sliding vane of a compressor, which comprises a substrate and three coating layers attached to the surface of the substrate. The three coating layers include a chromium coating layer, a first diamond-like carbon with silicon (DLC-Si) coating layer and a second DLC-Si coating layer which are sequentially arranged from inside to outside, wherein the chromium coating layer is attached to the substrate, the first DLC-Si coating layer is attached to the chromium coating layer, and the second DLC-Si coating layer is attached to the first DLC-Si coating layer. The utility model has the benefits that the adopted DLC-Si coating layers have smaller internal stress and can be better bonded with the substrate, so as to achieve high wear resistance of the sliding vane of the compressor, and long service life of an air conditioner with the sliding vane.
Description
Technical field
The utility model relates to a kind of compressor sliding blade, relates in particular to a kind of air condition compressor slide plate with high wear resistance.
Background technique
The life-span of air condition compressor (comprising new cooling media compressor and heat pump compressor etc.) depends primarily on the slide plate life-span wherein.When compressor operating, slide plate produces mechanical friction with the stator of compressor all the time, and when the wear extent at the top of slide plate surpassed certain numerical value, the efficient of compressor obviously descended, until not freezing.So improve the life-span that the wear-resisting property of slide plate directly can improve compressor.The method that improves the wear resistance the subject of knowledge and the object of knowledge employing of slide plate at present comprises: slide plate is carried out surperficial infiltration layer nitriding treatment; Utilization PVD technology is carried out the CrN coating to the surface and is handled; Utilization PVD or CVD technology are carried out the DLC coating to the surface and are handled.
PVD whole process is physical vapor deposition, is meant by processes such as evaporation, ionization or sputters, produces metallic and form compound with the reaction gas reaction to be deposited on workpiece surface.PVD coating technique commonly used at present mainly is divided three classes, vacuum vapor plating, vacuum sputtering plating and vacuum ion membrane plating.Wherein, sputter coating is to make during with the high-energy particle bombardment solid surface particle of solid surface obtain energy and the surface of overflowing, and is deposited on the substrate.
The slide plate wear-resisting property that existing technology produces still needs further raising.
The model utility content
The purpose of this utility model is to solve above-mentioned technical problem, provides a kind of wear-resisting property good compressor sliding blade.
The purpose of this utility model is achieved through the following technical solutions:
A kind of compressor sliding blade comprises substrate and the coating that is attached to base surface, and described coating comprises three layers, is followed successively by from the inside to the outside: be attached to on-chip chrome coating; Be attached to the first siliceous diamond-like coating of described chrome coating; Be attached to the second siliceous diamond-like coating on the described first siliceous diamond-like coating.
Further, described chrome coating, the hardness of the first siliceous diamond-like coating and the second siliceous diamond-like coating increases successively.
Further, described chrome coating thickness is 700～800 nanometers.
Further, the described first siliceous diamond-like coating thickness is 1200～1300 nanometers.
Further, the described second siliceous diamond-like coating thickness is 800～1000 nanometers.
Further, the thickness of described coating is greater than 2 microns.
The beneficial effects of the utility model are mainly reflected in: compressor sliding blade of the present utility model has used siliceous DLC (DLC-Si) coating, and internal stress is less, and the combination force between the substrate is better, has high-wear resistance, and is long with the air-conditioning life-span of its preparation.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: the structural representation of the utility model compressor sliding blade.
Embodiment
About addressing other technology contents, characteristics and effect before the utility model, in the detailed description of one of following preferred embodiment, can clearly present.
The compressor sliding blade of the utility model preferred embodiment comprises the coating of substrate and base surface, and as shown in Figure 1, coating comprises three layers, is followed successively by from the inside to the outside: be attached to on-chip chrome coating 1; Be attached to the first siliceous diamond-like coating 2 of chrome coating; Be attached to the second siliceous diamond-like coating 3 on the first siliceous diamond-like coating.Wherein, described chrome coating thickness is 700～800 nanometers; The described first siliceous diamond-like coating thickness is 1200～1300 nanometers; The described second siliceous diamond-like coating thickness is 800～1000 nanometers.
Chrome coating, the hardness of the first siliceous diamond-like coating and the second siliceous diamond-like coating increases successively.
The surface coating layer treatment method of the compressor sliding blade of preferred embodiment of the present utility model comprises the steps:
The first, the substrate of compressor sliding blade is placed vacuum chamber, bleed and be evacuated to 1*10
-4The degree of vacuum that Pa is above;
The second, heated substrate to 150 ℃, and in whole coating procedure, keep this temperature;
The 3rd, in vacuum chamber, charge into argon gas, the maintenance vacuum indoor pressure is 3.0*10
-1Pa applies on substrate-the 300V bias voltage, finishes chrome coating with magnetron sputtering technique, and the specific power on the magnetic controlled sputtering target is 7～9W/cm
2
The 4th, in vacuum chamber, charge into hexamethyl two silica gases, by the anode layer ion beam thereby this gas ionization is realized the deposition of the first siliceous diamond-like coating, the discharge voltage that is applied on the ion beam during deposition is 1.2kV～1.8kV, discharge current 20～30mA, applied-1 on the plating substrate, 200V DC pulse bias voltage, deposited coatings thickness 1,200nm～1,300nm, degree of vacuum remains on 2.0*10 in the deposition process
-1Pa;
The 5th, in vacuum chamber, charge into hexamethyl two silica gases, thereby this gas ionization is realized the deposition of the second siliceous diamond-like coating by the anode layer ion beam, the discharge voltage that is applied on the ion beam during deposition is 1.2kV～1.8kV, discharge current 20～30mA, and quilt is plated on the substrate applies-2,000V DC pulse bias voltage, deposited coatings thickness 800nm～1,000nm, degree of vacuum remains on 2.0*10 in the deposition process
-1Pa.
Two kinds of technology have been used in this PVD coating process: magnetron sputtering technique and anode layer ion beam technology.The gas that is adopted in deposition DLC process is hexamethyl two silica gases.
Coating has realized the above thickness of 2um by multilayer silicon-containing DLC being set with the release film layer internal stress.The first layer Metal Cr layer that combines with coated material act as transition layer, it has hardness between metal base and siliceous DLC coating, the characteristics good with the relay of base material and DLC; It is bigger that the siliceous DLC of the second layer has thickness, the characteristics that internal stress is less and hardness is moderate; It is higher that the 3rd layer of siliceous DLC has hardness, and the characteristics that wear-resisting property is splendid cooperate with before siliceous DLC coating hardness, make the wear resistance of Bulk coat obtain fabulous embodiment.
PVD coating technique commonly used at present mainly is divided three classes, vacuum vapor plating, vacuum sputtering plating and vacuum ionic bundle plated film.Simply introduce the working principle of ion beam technology at this.
(degree of vacuum is 1*10 under vacuum environment
-1Pa～5*10
-1Pa), the gas that is introduced under the electromagnetic field acting in conjunction of ion beam by ionization.Be accelerated under the electric field action between ion beam and the substrate by the ion of ionization, and with the bombardment of the form of energetic particle or be deposited on the substrate.The gas that is introduced into may be Ar, N according to the needs of technology
2Or C
2H
2Deng, thereby finish technologies such as ion etching cleaning and ion beam depositing.Voltage is applied on the anode on the ion beam during work, and the form of power of employing is a DC electrical source.Operating voltage (discharge voltage) scope is 400～3000V, and operating current is 80mA～600mA.Being applied to on-chip voltage is negative potential, thereby forms a potential difference (electric field) between ion beam and substrate.This electromagnetic field speeding-up ion, making more, polyatomic is formed ion flux by ionization.
Carried out the scribing life test and the contrast test of different surface treatment in the air condition compressor scribing, test result is as shown in table 1 below, and the slide plate life-span of being nitrogenize infiltration layer processing+siliceous DLC is higher than the slide plate that other modes are handled far away.
| The nitrogenize infiltration layer is handled | Nitrogenize infiltration layer processing+CrN (PVD cathodic arc technique) | Nitrogenize infiltration layer processing+DLC | Nitrogenize infiltration layer processing+siliceous DLC | |
| Test conditions | 500 hours | 2000 hours | 2000 hours | 3000 hours |
| Wear extent | ＞3um | 1.5～2um | 1.5um | ?＜0.6um |
Table 1
Further carry out the test of coating adhesion, test result is as shown in table 2 below, does the slide plate that the coating adhesion of the slide plate of nitrogenize infiltration layer processing+siliceous DLC is obviously handled greater than other modes.
| Nitrogenize infiltration layer processing+CrN (PVD cathodic arc technique) | Nitrogenize infiltration layer processing+DLC | Nitrogenize infiltration layer processing+siliceous DLC | |
| Limit load (pressure head radius 200nm) | 102N | 90N | ＞120N |
Table 2
Although be the example purpose, preferred implementation of the present utility model is disclosed, but those of ordinary skill in the art will recognize that under situation about not breaking away from by the disclosed scope and spirit of the present utility model of appending claims, various improvement, increase and replacement are possible.
Claims (6)
1. a compressor sliding blade comprises substrate and the coating that is attached to base surface, it is characterized in that described coating comprises three layers, is followed successively by from the inside to the outside: be attached to described on-chip chrome coating; Be attached to the first siliceous diamond-like coating of described chrome coating; Be attached to the second siliceous diamond-like coating on the described first siliceous diamond-like coating.
2. compressor sliding blade according to claim 1 is characterized in that: described chrome coating, the hardness of the first siliceous diamond-like coating and the second siliceous diamond-like coating increases successively.
3. compressor sliding blade according to claim 1 is characterized in that: described chrome coating thickness is 700～800 nanometers.
4. compressor sliding blade according to claim 1 is characterized in that: the described first siliceous diamond-like coating thickness is 1200～1300 nanometers.
5. compressor sliding blade according to claim 1 is characterized in that: the described second siliceous diamond-like coating thickness is 800～1000 nanometers.
6. compressor sliding blade according to claim 1 is characterized in that: the thickness of described coating is greater than 2 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202528847U CN201771772U (en) | 2010-07-06 | 2010-07-06 | Sliding vane of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202528847U CN201771772U (en) | 2010-07-06 | 2010-07-06 | Sliding vane of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201771772U true CN201771772U (en) | 2011-03-23 |
Family
ID=43751618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202528847U Expired - Fee Related CN201771772U (en) | 2010-07-06 | 2010-07-06 | Sliding vane of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201771772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880876A (en) * | 2010-07-06 | 2010-11-10 | 星弧涂层科技(苏州工业园区)有限公司 | Compressor sliding blade and surface coating layer treatment method thereof |
-
2010
- 2010-07-06 CN CN2010202528847U patent/CN201771772U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880876A (en) * | 2010-07-06 | 2010-11-10 | 星弧涂层科技(苏州工业园区)有限公司 | Compressor sliding blade and surface coating layer treatment method thereof |
| CN101880876B (en) * | 2010-07-06 | 2012-01-25 | 星弧涂层科技(苏州工业园区)有限公司 | Compressor sliding blade and surface coating layer treatment method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215022, 2, Tong Jing Road, Suzhou Industrial Park, Jiangsu, China Patentee after: New technology of star arc coating material (Suzhou) Limited by Share Ltd Address before: 215022, 2, Tong Jing Road, Suzhou Industrial Park, Jiangsu, China Patentee before: Stararc Coating Technologies (Suzhou) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20190706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |