CN102705236B - Commercial efficient safety type scroll compressor with low energy consumption - Google Patents
Commercial efficient safety type scroll compressor with low energy consumption Download PDFInfo
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- CN102705236B CN102705236B CN201210226397.7A CN201210226397A CN102705236B CN 102705236 B CN102705236 B CN 102705236B CN 201210226397 A CN201210226397 A CN 201210226397A CN 102705236 B CN102705236 B CN 102705236B
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- quiet dish
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Abstract
A commercial efficient safety type scroll compressor with low energy consumption comprises an upper cover (1), a lower cover (20) and a casing (38), wherein the upper cover (1), the lower cover (20) and the casing (38) form an installation cavity. A stator (15) and a static disk (7) are installed in the installation cavity, the upper end of a spindle (12) is supported on a main support (11) through a bearing and connected with a dynamic disk (8), and the dynamic disk (8) is inserted in the static disk (7). The commercial efficient safety type scroll compressor with the low energy consumption is characterized in that a lubricating oil pool (39) is formed between the lower cover (20) and an auxiliary support plate (19), an oil absorption sheet (40) for absorbing lubricating oil in a central hole (25) on the spindle (12) so as to provide the lubricating oil for the dynamic disk on the upper portion is installed at the lower end of the spindle (12) extending in the lubricating oil pool (39), a main balancing block (13) is installed on a body of the spindle (12) located in an oil pool (22), and the main balancing block (13) is connected with an oil scraping block (23) inserted in oil liquid level. The dynamic disk is good in lubricating effect and low in energy consumption, and the static disk is safe and reliable.
Description
Technical field
The present invention relates to a kind of scroll compressor, especially a kind of commercial scroll compressor of vertical installation, specifically a kind of lubricant oil that reduces is supplied with power consumption, the good not easily broken commercial efficient low-consume safety type scroll compressor of quiet dish self balancing performance.
Background technique
As everyone knows, for prevent scroll compressor start up period or the pressure in abnormal conditions lower compression chamber is excessive causes unbalance stress inside and outside quiet dish and cracked, people all consider earth pressure release measure in the time of the Moving plate of design scroll compressor and quiet dish structure.The most frequently used measure is to offer intermediate pressure at Jing Panshang to get pore, pressure in hyperbaric chamber is entered in pressure-releasing chamber, under normal circumstances, rely on the pressure in pressure-releasing chamber to make quiet dish and Moving plate reach desirable laminating, under abnormal conditions, make the float of pressure-releasing chamber open pressure release, this just requires, between quiet dish and upper cover baffle plate, float is installed and carrys out pressure release, causes complex structure, and inconvenience is installed.Meanwhile, in order to make Moving plate keep enough lubricating, need to lubricating oil splash be entered to lubricated district by the High Rotation Speed of equilibrium block, the result of doing so not only increases power consumption, and can cause oil whip and inefficacy in advance.Moreover, in order to prevent that lubricant oil from entering in motor, motor is caused to damage, need to fill oil baffle disc in the stator upper cover of motor, and the greatest problem existing that oil baffle disc is connected with motor is that inconvenience is installed, vibrate greatly, easily leakage of oil, these all must be improved.
Summary of the invention
The object of the invention is the lubricated power consumption that exists for existing vertical vortex large, quiet dish spacing is adjusted the problem of poor stability, design a kind of safe and reliable in, the commercial efficient low-consume safety type scroll compressor of low energy.
Technological scheme of the present invention is:
A kind of commercial efficient low-consume safety type scroll compressor, it comprises upper cover 1, lower cover 20 and housing 38, upper cover 1, lower cover 20 and housing 38 form an installation cavity, stator 15 and quiet dish 7 are installed in this installation cavity, rotor 14 is arranged in stator 15, be connected with rotor 14 and synchronize the lower end of main shaft 12 of rotating and be bearing on assistant support plate 19 by assistant support bearing 18, the upper end of main shaft 12 is bearing on master bracket 11 and with Moving plate 8 and is connected by bearing, Moving plate 8 is inserted in quiet dish 7, it is characterized in that forming lubricating oil bath 39 between described lower cover 20 and assistant support plate 19, the lower end of main shaft 12 is stretched into be provided with on the one end in this lubricating oil bath 39 and lubricant oil is sucked to center hole 25 on main shaft 12 to provide the oil absorbent piece 40 of lubrication oil for the Moving plate on top, on described assistant support plate 19, be provided with and prevent that lubricating oil from entering the oil baffle disc 17 in motor stator, the upper end of main shaft 12 is provided with main equilibrium block 13, master bracket lid 10 is installed on master bracket 11, master bracket 11 center is provided with sliding bearing 21, between master bracket 11 and master bracket lid 10, forming promising Moving plate provides the oil sump 22 of lubricant oil, oil sump 22 is connected with the oil feeding mechanism of compressor bottom by oil inlet passage, main equilibrium block 13 is arranged on the axle body that main shaft 12 is arranged in oil sump 22, the lower surface of described main equilibrium block 13 is not less than the fluid liquid level of oil sump 22, on main equilibrium block 13, be connected with to insert and scrape oil clot 23 in fluid liquid level, scrape oil clot 23 and main equilibrium block 13 opposite position places and be provided with the fuel injection passage 24 upwards spraying for fluid, on the top of quiet dish 7, upper cover baffle plate 3 is installed, described quiet dish 7 is provided with the central boss 29 in the socket 28 inserting on upper cover baffle plate 3, be provided with annular outer platform 30 in the outside of central boss 29, on described upper cover baffle plate 3, be provided with annular convex shoulder 31 with annular outer platform 30 relative position places, the upper bottom surface of described quiet dish 7, the outer surface of socket 28, the internal surface of annular outer platform 30, the lower surface of the internal surface of annular convex shoulder 31 and upper cover baffle plate forms an intermediate cavity 32, described intermediate cavity 32 is got by the intermediate pressure on quiet dish the discharge plenum forming between pore 33 and sound dish and is connected, between described socket 28 and central boss 29, be provided with and prevent that pressurized gas from entering the high-pressure seal ring 4 of intermediate cavity 32, the low pressure seal circle 5 that the pressure that prevents in intermediate cavity 32 leaks to low-pressure cavity is installed on the junction plane of annular outer platform 30 and annular convex shoulder 31.
Described annular outer platform 30 is provided with the installation groove 37 that annular resilient pad 6 is installed, and cyclic spring pad 6 is arranged on to be installed in groove 37, and the low pressure seal circle 5 that its upper surface and partial insertion are installed in groove 37 offsets.
The angle of described fuel injection passage 24 hole heart center lines and the shaft axis of main shaft 12 is greater than 0 degree, is less than 90 degree.
The center hole 25 that described oil inlet passage is connected by the oil feeding mechanism with compressor bottom at main shaft 12 centers, the axial notch that is positioned at main shaft surface 27 being connected with the radial hole 26 of center hole 25 vertical connections and with radial hole 26 form, the lower end of axial notch 27 terminates in the lower end of sliding bearing 21, the upper end of axial notch 27 exceedes the straight-through oil sump 22 in upper end of sliding bearing 21 or is communicated with the gap that master bracket 11 forms with main shaft 12, and this gap is connected with oil sump.
Beneficial effect of the present invention:
1) the present invention has saved traditional pressure release floating valve, by the pressure reduction inside and outside the timely balance compressor of the pressure-releasing chamber setting up between upper cover baffle plate and quiet dish, guarantees that quiet dish stress balance can be not broken because of high pressure.
2) the present invention is simple in structure, all utilizes the change of the simple form structure of quiet dish and upper cover baffle plate to realize pressure equilibrium of forces, has easily manufacturedly, and cost is low, only needs normal seal ring to install when installation.
3) the present invention utilizes the high speed rotating of dynamic balance weight, and oil is transported to exactly and needs lubricated position.4) the present invention utilizes the oil clot of scraping of small volume to carry oil, draws oily area little, has reduced power consumption, scrapes oil clot and also has dynamically balanced double action simultaneously.
5) the present invention is simple in structure, is easy to realize.Adopt the peculiar oily mode of liter, axle clockwise rotates, and sweeps oil and enters oil drainage hole, and oil is taken advantage of a situation and up pushed away, and delivers to master bracket and cover the Moving plate fitting surface of end; Unfailing performance is good; Easy processing simple in structure.
6) oil baffle disc of the present invention separates with motor, and safe ready is reliable.
7) the present invention is safe, and power is low, is conducive to improve the functional reliability of complete machine, extends time between failures.
Brief description of the drawings
Fig. 1 is complete machine structure schematic diagram of the present invention.
Fig. 2 is the structure enlarged diagram of the lubricated part of dynamic balancing of the present invention.
Fig. 3 is the structural representation of main equilibrium block of the present invention.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the structure enlarged diagram of quiet dish self-balancing mechanism of the present invention.
1, upper cover 2, outlet pipe 3, upper cover baffle plate 7, quiet dish 8, Moving plate 9, cross slip-ring 10, master bracket lid 11, master bracket 12, main shaft 13, main equilibrium block 14, rotor 15, stator 16, stator support 17, oil baffle disc 18, assistant support bearing 19, assistant support plate 20, lower cover.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As Figure 1-5.
A kind of commercial efficient low-consume safety type scroll compressor, it comprises upper cover 1, lower cover 20 and housing 38, upper cover 1, lower cover 20 and housing 38 form an installation cavity, stator 15 and quiet dish 7 are installed in this installation cavity, rotor 14 is arranged in stator 15, be connected with rotor 14 and synchronize the lower end of main shaft 12 of rotating and be bearing on assistant support plate 19 by assistant support bearing 18, the upper end of main shaft 12 is bearing on master bracket 11 and with Moving plate 8 and is connected by bearing, Moving plate 8 is inserted in quiet dish 7, between described lower cover 20 and assistant support plate 19, form lubricating oil bath 39, the lower end of main shaft 12 is stretched into be provided with on the one end in this lubricating oil bath 39 and lubricant oil is sucked to center hole 25 on main shaft 12 to provide the oil absorbent piece 40 of lubrication oil for the Moving plate on top, on described assistant support plate 19, be provided with and prevent that lubricating oil from entering the oil baffle disc 17 in motor stator, as shown in Figure 1, the upper end of main shaft 12 is provided with main equilibrium block 13, master bracket lid 10 is installed on master bracket 11, master bracket 11 center is provided with sliding bearing 21, between master bracket 11 and master bracket lid 10, forming promising Moving plate provides the oil sump 22 of lubricant oil, oil sump 22 is connected with the oil feeding mechanism of compressor bottom by oil inlet passage, the center hole 25 that oil inlet passage related to the present invention is connected by the oil feeding mechanism with compressor bottom at main shaft 12 centers, the axial notch that is positioned at main shaft surface 27 being connected with the radial hole 26 of center hole 25 vertical connections and with radial hole 26 forms, the lower end of axial notch 27 terminates in the lower end of sliding bearing 21, the upper end of axial notch 27 exceedes the straight-through oil sump 22 in upper end of sliding bearing 21 or is communicated with the gap that master bracket 11 forms with main shaft 12, this gap is connected with oil sump.The lower end of center hole 25 is connected with the oil sump of whole compressor bottom, and by oil absorbent piece, the lubricant oil that is arranged in lower cover 20 is sucked to center hole.Main equilibrium block 13 is arranged on the axle body that main shaft 12 is arranged in oil sump 22, the lower surface of described main equilibrium block 13 is not less than the fluid liquid level of oil sump 22, on main equilibrium block 13, be connected with to insert and scrape oil clot 23 in fluid liquid level, scrape oil clot 23 and main equilibrium block 13 opposite position places and be provided with the fuel injection passage 24 upwards spraying for fluid, as shown in Figure 2, the angle of described fuel injection passage 24 hole heart center lines and the shaft axis of main shaft 12 is greater than 0 degree, is less than 90 degree, as shown in Figure 3-4.On the top of quiet dish 7, upper cover baffle plate 3 is installed, described quiet dish 7 is provided with the central boss 29 in the socket 28 inserting on upper cover baffle plate 3, be provided with annular outer platform 30 in the outside of central boss 29, on described upper cover baffle plate 3, be provided with annular convex shoulder 31 with annular outer platform 30 relative position places, the upper bottom surface of described quiet dish 7, the outer surface of socket 28, the internal surface of annular outer platform 30, the lower surface of the internal surface of annular convex shoulder 31 and upper cover baffle plate forms an intermediate cavity 32, described intermediate cavity 32 is got by the intermediate pressure on quiet dish the discharge plenum forming between pore 33 and sound dish and is connected, between described socket 28 and central boss 29, be provided with and prevent that pressurized gas from entering the high-pressure seal ring 4 of intermediate cavity 32, the low pressure seal circle 5 that the pressure that prevents in intermediate cavity 32 leaks to low-pressure cavity is installed on the junction plane of annular outer platform 30 and annular convex shoulder 31.Described annular outer platform 30 is provided with the installation groove 37 that annular resilient pad 6 is installed, and cyclic spring pad 6 is arranged on to be installed in groove 37, and the low pressure seal circle 5 that its upper surface and partial insertion are installed in groove 37 offsets, as shown in Figure 5.
The present invention utilizes the High Rotation Speed of main shaft to drive main equilibrium block High Rotation Speed, the main equilibrium block of High Rotation Speed drives the oil clot of scraping on it, and (shape is any, can be cylindrical body, cube, cuboid or rib body) High Rotation Speed, lubricant oil in oil sump is oily passage 24 fast rise the ejection of the spray orifice from the upper surface of main equilibrium block under the effect of kinetic energy, for balance fuel feeding, when concrete enforcement, also can on main equilibrium block, install and multiplely scrape oil clot or on main equilibrium block, process multiple nozzle openings that are connected with fuel injection passage, these improve and are all considered to equivalence replacement of the present invention.
Under normal circumstances, in the time that compressor does not start, the elastic force that cyclic spring pad 6 produces makes quiet dish move down and fit with the profile of Moving plate, make to keep between sound dish suitable startup gap, when normal work, the pressure that pressure chamber between sound dish produces is got pore 33 by intermediate pressure and is entered in intermediate cavity 32, intermediate cavity 32 produces a downward thrust to overcome the strength that quiet dish is moved up because of the pressure between sound dish, quiet dish is subject to downward power and power upwards to reach balance, makes compressor can normally complete compression work.In the time having liquid medium to enter between sound dish or outlet valve occurs extremely causing the pressure anomaly in the hyperbaric chamber between sound dish; quiet dish is subject to power to be upwards greater than downward power; Moving plate is separated with quiet dish; lose compression function; thereby reached the object of pressure release, protection Moving plate and quiet dish scrollwork are not damaged.Greatly improve Security, due to without pressure release parts are installed, made overall structure simple simultaneously, manufactured and install also greatly for convenience.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Claims (3)
1. a commercial scroll compressor, it comprises upper cover (1), lower cover (20) and housing (38), upper cover (1), lower cover (20) and an installation cavity of housing (38) composition, stator (15) and quiet dish (7) are installed in this installation cavity, rotor (14) is arranged in stator (15), be connected with rotor (14) and synchronize the lower end of main shaft (12) of rotating and be bearing on assistant support plate (19) by assistant support bearing (18), the upper end of main shaft (12) is bearing in master bracket (11) above and is connected with Moving plate (8) by bearing, Moving plate (8) is inserted in quiet dish (7), it is characterized in that forming lubricating oil bath (39) between described lower cover (20) and assistant support plate (19), the lower end of main shaft (12) is stretched into be provided with on the one end in this lubricating oil bath (39) and lubricant oil is sucked to center hole (25) on main shaft (12) to provide the oil absorbent piece (40) of lubrication oil for the Moving plate on top, on described assistant support plate (19), be provided with and prevent that lubricating oil from entering the oil baffle disc (17) in motor stator, the upper end of main shaft (12) is provided with main equilibrium block (13), master bracket lid (10) is installed on master bracket (11), the center of master bracket (11) is provided with sliding bearing (21), between master bracket (11) and master bracket lid (10), form promising Moving plate the oil sump of lubricant oil (22) is provided, oil sump (22) is connected with the oil feeding mechanism of compressor bottom by oil inlet passage, main equilibrium block (13) is arranged on main shaft (12) and is arranged on the axle body of oil sump (22), the lower surface of described main equilibrium block (13) is not less than the fluid liquid level of oil sump (22), on main equilibrium block (13), be connected with to insert and scrape oil clot (23) in fluid liquid level, scrape oil clot (23) and main equilibrium block (13) opposite position place and be provided with the fuel injection passage (24) upwards spraying for fluid, on the top of quiet dish (7), upper cover baffle plate (3) is installed, described quiet dish (7) is provided with the central boss (29) in the socket (28) inserting on upper cover baffle plate (3), be provided with annular outer platform (30) in the outside of central boss (29), on described upper cover baffle plate (3) and annular outer platform (30) relative position place is provided with annular convex shoulder (31), the upper bottom surface of described quiet dish (7), the outer surface of socket (28), the internal surface of annular outer platform (30), the internal surface of annular convex shoulder (31) and the lower surface of upper cover baffle plate form an intermediate cavity (32), described intermediate cavity (32) is got by the intermediate pressure on quiet dish the discharge plenum forming between pore (33) and sound dish and is connected, between described socket (28) and central boss (29), be provided with and prevent that pressurized gas from entering the high-pressure seal ring of intermediate cavity (32) (4), the low pressure seal circle (5) that the pressure that prevents in intermediate cavity (32) leaks to low-pressure cavity is installed on the junction plane of annular outer platform (30) and annular convex shoulder (31), described annular outer platform (30) is provided with the installation groove (37) that annular resilient pad (6) is installed, cyclic spring pad (6) is arranged on to be installed in groove (37), and the low pressure seal circle (5) that its upper surface and partial insertion are installed in groove (37) offsets.
2. compressor according to claim 1, is characterized in that the angle of the shaft axis of described fuel injection passage (24) hole heart center line and main shaft (12) is greater than 0 degree, is less than 90 degree.
3. compressor according to claim 1, it is characterized in that the center hole (25) that described oil inlet passage is connected by the oil feeding mechanism with compressor bottom at main shaft (12) center, the axial notch that is positioned at main shaft surface (27) composition being connected with the radial hole (26) of center hole (25) vertical connection and with radial hole (26), the lower end of axial notch (27) terminates in the lower end of sliding bearing (21), the upper end of axial notch (27) exceedes the straight-through oil sump (22) in upper end of sliding bearing (21) or is communicated with the gap that master bracket (11) forms with main shaft (12), this gap is connected with oil sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210226397.7A CN102705236B (en) | 2012-07-03 | 2012-07-03 | Commercial efficient safety type scroll compressor with low energy consumption |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210226397.7A CN102705236B (en) | 2012-07-03 | 2012-07-03 | Commercial efficient safety type scroll compressor with low energy consumption |
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| CN102705236A CN102705236A (en) | 2012-10-03 |
| CN102705236B true CN102705236B (en) | 2014-08-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485017A (en) * | 2016-01-26 | 2016-04-13 | 广东美的暖通设备有限公司 | Mounting structure of thrust bearing and vortex-compressor |
| CN108223370A (en) * | 2016-12-09 | 2018-06-29 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor having a discharge port |
| CN110966200B (en) * | 2019-11-25 | 2022-02-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
| CN111577606B (en) * | 2020-05-22 | 2024-06-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor |
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| JPS58160582A (en) * | 1982-03-19 | 1983-09-24 | Hitachi Ltd | Scroll compressor |
| JPH06241177A (en) * | 1993-02-15 | 1994-08-30 | Mitsubishi Heavy Ind Ltd | Scroll type fluid machinery |
| KR20050104486A (en) * | 2004-04-29 | 2005-11-03 | 주식회사 롤텍 | Scroll compressor |
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| US5435707A (en) * | 1993-06-14 | 1995-07-25 | Mitsubishi Jukogyo Kabushiki Kaisha | Scroll-type compressor with an elastically deformable top plate or end plate |
| CN1113546A (en) * | 1994-02-01 | 1995-12-20 | 三菱重工业株式会社 | Vortex hydraulic mechanism |
| CN1163991A (en) * | 1996-02-09 | 1997-11-05 | 松下电器产业株式会社 | Scroll compressor |
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Owner name: NANJING AOTECAR NEW ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NANJING AOTECAR REFRIGERATING CO., LTD. |
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Address after: 210022 Daming Road, Qinhuai District, Jiangsu, Nanjing, China Patentee after: Nanjing Aotecar New Energy Technology Co., Ltd. Address before: 210022 Daming Road, Qinhuai District, Jiangsu, Nanjing, China Patentee before: Nanjing Aotecar Refrigerating Co., Ltd. |