CN101265904B - Highly effective low noise scroll-type compressor for electric automobile - Google Patents
Highly effective low noise scroll-type compressor for electric automobile Download PDFInfo
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- CN101265904B CN101265904B CN2008100236786A CN200810023678A CN101265904B CN 101265904 B CN101265904 B CN 101265904B CN 2008100236786 A CN2008100236786 A CN 2008100236786A CN 200810023678 A CN200810023678 A CN 200810023678A CN 101265904 B CN101265904 B CN 101265904B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
A high-performance low-noise scroll compressor for electric vehicles comprises a casing (1), a static disk (2), a moving disk (3), an eccentric sleeve (4), a crankshaft (5), a front cover (6), a motor casing (7) and a rear cover (8), and is characterized in that the crankshaft (5) is provided with a rotor (15); a stator (16) is mounted around the rotor (15) and is arranged in the front cover ( 6) and the motor casing (7); a second bearing (11) is a bearing with a dust cover or a bearing with a sealing structure; a suction channel (18) communicating with a motor cavity (17) is arranged on the end of the front cover (6) of the second bearing (11); a corresponding suction hole (19) is arranged in the corresponding position of a right bead-fixing ring (14); an air outlet (20) of the static disk (2) is provided with a exhaust valve plate (21); a lift limit chip (22) is arranged on the outer side of the exhaust valve plate (21); a cushion (23) is arranged on one side of the lift limit chip (22) relative to the exhaust valve plate (21). The compressor has the advantages of well-designed structure, high efficiency and low noise.
Description
Technical field
The present invention relates to a kind of scroll compressor, especially a kind of scroll compressor, specifically a kind of highly effective low noise scroll-type compressor for electric automobile by motor direct-drive.
Background technique
At present, along with the pay attention to day by day of people to environmental protection, energy-conservation, green, eco-friendly car is the direction of development of automobile from now on, and just is subjected to increasing attention along with the development of motor technology and battery technology as the electrocar of full green, environmental protection, non-pollution discharge.Speed per hour more than 80 kilometers, continual mileage enter the stage of commercially producing at the electrocar more than 300 kilometers, and therefore, electrocar will replace the main traffic tool of existing fuel oil car as people's trip in the following foreseeable future.
In order to improve the travelling comfort of electrocar, be necessary for electrocar and be equipped with corresponding air-conditioning system, compressor as one of capital equipment of air-conditioning system then is the requisite parts of electrocar, the eddy type compression of the AC driven that the scroll compressor of fuel oil car use at present and domestic air conditioning use can't adapt to the needs of electrocar, especially for electrocar, because the noise of car load is less, therefore be lower than 80 decibels with regard to the noise that requires scroll compressor, and existing automobile-used scroll compressor can't satisfy this index request, in addition, owing to adopt vehicle-mounted DC electrical source as power source,, require electrocar directly to use DC electrical source as power from energy-conservation and angle that raise the efficiency, this just requires to adopt current motor, simultaneously, in order to increase the service life, must use dc brushless motor.And according to the knowledge of the applicant, the scroll compressor that scroll compressor that existing fuel oil car uses and domestic air conditioning use can't be applied directly on the electrocar and use as the compression power source, therefore must be according to the electric vehicle scroll compressor of a kind of efficient, low noise of the characteristics otherwise designed of electrocar, to meet the need of market, to improve the riding travelling comfort of electrocar.
Summary of the invention
The objective of the invention is to be directly used in the problem of electrocar, design a kind of highly effective low noise scroll-type compressor that is specifically designed to electrocar at existing scroll compressor.
Technological scheme of the present invention is:
A kind of highly effective low noise scroll-type compressor for electric automobile, comprise casing 1, quiet dish 2, Moving plate 3, eccentric bushing 4, bent axle 5, protecgulum 6, motor casing 7 and bonnet 8, one end of casing 1 is an exhaust end, its the other end links to each other with an end of protecgulum 6, the other end of protecgulum 6 links to each other with an end of motor casing 7, the other end of motor casing 7 links to each other with bonnet 8, bonnet 8 is provided with suction port 9, form a motor installation cavity 17 that communicates with suction port 9 between protecgulum 6 and the motor casing 7, be installed in the casing 1 after Moving plate 3 and quiet dish 2 interfix, one end of eccentric bushing 4 is installed on the Moving plate 3 by clutch shaft bearing 10, the other end of eccentric bushing 4 links to each other with the bent axle 5 that runs through protecgulum 6 and motor casing 7, bent axle 5 is equipped with an end bearing of eccentric bushing 4 on second bearing 11, its the other end also is bearing on the corresponding bearing, between Moving plate 3 and protecgulum 6 opposing end faces, steel ball 12 is installed, steel ball 12 is decided pearl circle 14 by the Zuo Dingzhu circle 13 that links to each other with Moving plate 6 and the right side that links to each other with protecgulum 6 and is positioned between Moving plate 3 and the protecgulum 6, it is characterized in that:
On described bent axle 5, rotor 15 is installed, stator 16 be fixedly mounted on rotor 15 around and be arranged in protecgulum 6 and motor casing 7, described rotor 15 and stator 16 are brushless structure;
Described second bearing 11 is the bearing of being with dust cover or the bearing that has sealing configuration, end at the protecgulum 6 that second bearing 11 is installed is provided with the air intake passage 18 that communicates with motor cavity 17, decide pearl on the described right side and encloses that the opposite position place also is provided with corresponding suction port 19 on 14;
On the air outlet 20 of described quiet dish 2 exhaust valve plate 21 is installed, lift banking stop 22 is installed, on the relative one side of described lift banking stop 22 and exhaust valve plate 21, be provided with cushion pad 23 in the outside of exhaust valve plate 21.
Be provided with annular gas dashpot 24 in the described air outlet 20.
Described cushion pad 23 is an abrasion-proof rubber cushion.
The exterior edge face of the air outlet 20 of described quiet dish 2 is provided with the annular noise reduction groove 25 that is used to reduce exhaust valve plate 21 and end face area of contact.
Beneficial effect of the present invention:
The invention solves market in urgent need, designed driven by Brush-Less DC motor type scroll compressor has the efficient height, rational in infrastructure, found the effective ways that reduce noise by a large amount of experiments, and the noise of compressor has been can be controlled in below 80 decibels (obedient box-like detections) fully by the improvement (as changing the air intake passage trend, setting up measures such as cushion pad, noise reduction groove and air-breathing dashpot) of four aspects.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of protecgulum of the present invention.
Fig. 3 is the quiet dish structural representation that the present invention is used to reflect gas port.
Fig. 4 is the partial enlarged drawing of reflection lift banking stop structure among Fig. 1.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Shown in Fig. 1-4.
A kind of highly effective low noise scroll-type compressor for electric automobile, comprise casing 1, quiet dish 2, Moving plate 3, eccentric bushing 4, bent axle 5, protecgulum 6, motor casing 7 and bonnet 8, one end of casing 1 is an exhaust end, its the other end links to each other with an end of protecgulum 6, the other end of protecgulum 6 links to each other with an end of motor casing 7, the other end of motor casing 7 links to each other with bonnet 8, bonnet 8 is provided with suction port 9, form a motor installation cavity 17 that communicates with suction port 9 between protecgulum 6 and the motor casing 7, be installed in the casing 1 after Moving plate 3 and quiet dish 2 interfix, one end of eccentric bushing 4 is installed on the Moving plate 3 by clutch shaft bearing 10, the other end of eccentric bushing 4 links to each other with the bent axle 5 that runs through protecgulum 6 and motor casing 7, bent axle 5 is equipped with an end bearing of eccentric bushing 4 on second bearing 11, its the other end also is bearing on the corresponding bearing, between Moving plate 3 and protecgulum 6 opposing end faces, steel ball 12 is installed, steel ball 12 is decided pearl circle 14 by the Zuo Dingzhu circle 13 that links to each other with Moving plate 6 and the right side that links to each other with protecgulum 6 and is positioned between Moving plate 3 and the protecgulum 6, on described bent axle 5, rotor 15 is installed, stator 16 be fixedly mounted on rotor 15 around and be arranged in protecgulum 6 and motor casing 7, described rotor 15 and stator 16 are brushless structure; As shown in Figure 1.In order to reduce air suction and noise, the present invention can change traditional into the bearing of being with dust cover or the bearing that has sealing configuration by plain bearing by second bearing 11 of refrigeration agent first, so that most of refrigerator is entered from air intake passage 18 in the air-inlet cavity on the Moving plate, this air intake passage 18 is positioned at the end of the protecgulum 6 that second bearing 11 is installed, and communicate with motor cavity 17, as Fig. 1, decide on the described right side that the opposite position place also is provided with the suction port 19 that communicates with air intake passage 18 accordingly on the pearl circle 14.
On the air outlet 20 of described quiet dish 2 exhaust valve plate 21 is installed, in the outside of exhaust valve plate 21 lift banking stop 22 is installed, be provided with cushion pad 23 on the relative one side of described lift banking stop 22 and exhaust valve plate 21, this cushion pad 23 can be the plating rubber body, as shown in Figure 4.Effect by cushion pad 23 impacts the Strike note that lift banking stop 22 is produced in the time of can reducing exhaust valve plate 21 exhausts, further reduces exhaust noise.In addition, produce noise because of the outlet pressure rapid drawdown when reducing exhaust, the present invention is provided with annular gas dashpot 24 in air outlet 20, the while is provided with the annular noise reduction groove 25 that is used to reduce exhaust valve plate 21 and end face area of contact on the exterior edge face of the air outlet 20 of quiet dish 2.More than these measures not only greatly reduce noise, and improved the complete machine working efficiency of compressor, can satisfy the needs of electrocar fully.
The prior aries that maybe can adopt all same as the prior art such as the control of part that the present invention does not relate to such as dc brushless motor, wiring are realized.
Claims (1)
1. highly effective low noise scroll-type compressor for electric automobile, comprise casing (1), quiet dish (2), Moving plate (3), eccentric bushing (4), bent axle (5), protecgulum (6), motor casing (7) and bonnet (8), one end of casing (1) is an exhaust end, its the other end links to each other with an end of protecgulum (6), the other end of protecgulum (6) links to each other with an end of motor casing (7), the other end of motor casing (7) links to each other with bonnet (8), bonnet (8) is provided with suction port (9), form a motor installation cavity (17) that communicates with suction port (9) between protecgulum (6) and the motor casing (7), be installed in the casing (1) after Moving plate (3) and quiet dish (2) interfix, one end of eccentric bushing (4) is installed on the Moving plate (3) by clutch shaft bearing (10), the other end of eccentric bushing (4) links to each other with the bent axle (5) that runs through protecgulum (6) and motor casing (7), bent axle (5) is equipped with an end bearing of eccentric bushing (4) on second bearing (11), between Moving plate (3) and protecgulum (6) opposing end faces, steel ball (12) is installed, steel ball (12) is decided Zhu Quan (14) by the Zuo Dingzhu circle (13) that links to each other with Moving plate (6) and the right side that links to each other with protecgulum (6) and is positioned between Moving plate (3) and the protecgulum (6), rotor (15) is installed on described bent axle (5), stator (16) be fixedly mounted on rotor (15) around and be arranged in protecgulum (6) and motor casing (7), described rotor (15) and stator (16) are brushless structure; It is characterized in that: described second bearing (11) is the bearing of being with dust cover or the bearing that has sealing configuration, end at the protecgulum (6) that second bearing (11) is installed is provided with the air intake passage (18) that communicates with motor cavity (17), decides Zhu Quan (14) on the described right side and upward also is provided with corresponding suction port (19) in the opposite position place; On the air outlet (20) of described quiet dish (2) exhaust valve plate (21) is installed, in the outside of exhaust valve plate (21) lift banking stop (22) is installed, be provided with abrasion-proof rubber cushion (23) on described lift banking stop (22) one side relative with exhaust valve plate (21), the exterior edge face of the air outlet (20) of described quiet dish (2) is provided with the annular noise reduction groove (25) that is used to reduce exhaust valve plate (21) and end face area of contact; Be provided with annular gas dashpot (24) in the described air outlet (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100236786A CN101265904B (en) | 2008-04-23 | 2008-04-23 | Highly effective low noise scroll-type compressor for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100236786A CN101265904B (en) | 2008-04-23 | 2008-04-23 | Highly effective low noise scroll-type compressor for electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN101265904A CN101265904A (en) | 2008-09-17 |
| CN101265904B true CN101265904B (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100236786A Active CN101265904B (en) | 2008-04-23 | 2008-04-23 | Highly effective low noise scroll-type compressor for electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110535313B (en) * | 2018-05-24 | 2021-11-05 | 江苏伯海电驱动科技有限公司 | Permanent magnet synchronous motor with high-speed stable setting and easy-to-detach rotating shaft mechanism |
| CN115539382B (en) * | 2022-12-02 | 2023-01-31 | 沈阳海龟医疗科技有限公司 | Oil-free vortex type vacuum compression all-in-one machine based on VPSA technology |
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| CN101265904A (en) | 2008-09-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C56 | Change in the name or address of the patentee |
Owner name: NANJING AOTECAR NEW ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NANJING AOTECAR REFRIGERATING CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 210022 Daming Road 103, Jiangsu, Nanjing Patentee after: Nanjing Aotecar New Energy Technology Co., Ltd. Address before: 210022 Daming Road 103, Jiangsu, Nanjing Patentee before: Nanjing Aotecar Refrigerating Co., Ltd. |