CN116928096A - High-speed high-torque automobile air conditioner scroll compressor - Google Patents
High-speed high-torque automobile air conditioner scroll compressor Download PDFInfo
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- CN116928096A CN116928096A CN202311010985.1A CN202311010985A CN116928096A CN 116928096 A CN116928096 A CN 116928096A CN 202311010985 A CN202311010985 A CN 202311010985A CN 116928096 A CN116928096 A CN 116928096A
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- fixedly connected
- bearing
- scroll compressor
- wheel
- torque
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Links
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 230000008595 infiltration Effects 0.000 claims description 9
- 238000001764 infiltration Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910001339 C alloy Inorganic materials 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 claims 10
- 230000010349 pulsation Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The invention discloses a high-speed high-torque automobile air conditioner scroll compressor which comprises an input wheel, an input shaft, a first bearing, a second bearing, a flange cover, bolts, screws, electromagnetic coils, a magnetic yoke wheel, an armature, a friction plate, a spiral groove, a hub, a main shaft, an oil seal, a limiting plate, a movable disc, a pin ring, a static disc, a rear cover, a first annular groove, a shallow groove, a through hole, a cavity, an opening and a front cover, wherein the first bearing is arranged on the first bearing; according to the invention, by improving the clutch structure, the torque is improved by 50% -150%, the durability is improved by 50% -100% by improving the friction plate, the limit plate and the movable plate, the problems that the compressor cannot provide high torque power when in normal high-rotation-speed operation and the durability of the compressor is poor are solved, the volumetric efficiency is further improved, and the volumetric efficiency is improved by 3% -5% by 6000 rpn-12000 rpm; the invention can accommodate, mute and reduce pulsation of the gas discharged from the compressor by adding the labyrinth structure on the rear cover.
Description
Technical Field
The invention relates to the technical field of scroll compressors, in particular to a high-speed high-torque automobile air conditioner scroll compressor.
Background
The scroll compressor is a compressor with compressible volume, which consists of a fixed involute scroll static disc and an involute moving scroll rotating disc in eccentric rotary translation, and is widely applied in the field of automobile air conditioners. The working principle is as follows: in the working process of air suction, compression and air discharge, the static disc is fixed on the shell, the movable disc is driven by the eccentric shaft and restrained by the self-transmission preventing mechanism, and the movable disc rotates around the base circle center of the static disc in a plane with a small radius. The refrigerant is sucked into the suction cavity of the dynamic and static disc, and is gradually compressed in the continuous crescent compression cavity formed by the meshing of the dynamic and static discs along with the rotation of the power input shaft, and then is continuously discharged to the rear cover through the axial hole in the center of the static disc and is discharged through the exhaust channel.
In the case where the rotational speed of the automobile cannot be increased, increasing the rotational speed ratio is a common means of increasing the rotational speed of the scroll compressor. In the prior art, in order to ensure the structural limitation of torque transmission, the diameter of a belt pulley is generally larger than 90mm, even if a power transmission mechanism (such as a scroll compressor of Mitsubishi corporation in Japan) smaller than 90mm is arranged, the stress bias and the torque are smaller than 25N.m, so that the best expectation cannot be achieved, and the service life of the compressor is not ideal; meanwhile, the high-speed rotating compressor has strict requirements on friction of a stress surface, the existing steel ball stop ring structure and the cross slip ring structure cannot perform ten-thousand-turn operation, and the stress surface is frequently ablated until the compressor fails; further, since the gas discharged from the compressor is in a mixed state of oil and gas, and the pressure thereof is in a fluctuating state, noise and discharge pulse vibration are generated.
Disclosure of Invention
The invention aims to provide a high-speed high-torque automobile air conditioner scroll compressor, which solves the problems that the existing compressor provided in the background art cannot provide high-torque power supply, has poor durability, and has large exhaust noise and vibration when operated at a conventional high rotating speed.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-speed high torque vehicle air conditioner scroll compressor, which comprises a front cover, the one end fixedly connected with flange lid of protecgulum, the flange lid endotheca is connected with the yoke wheel, fixedly connected with input shaft in the yoke wheel, the one end fixedly connected with input wheel of input shaft, install solenoid on the yoke wheel, one side of yoke wheel is provided with armature, fixedly connected with wheel hub on the armature, fixedly connected with main shaft on the wheel hub, and the main shaft rotates to be connected in the protecgulum, cup jointed the oil blanket on the main shaft, and the oil blanket is installed in the protecgulum, the movable disk is installed to the one end of main shaft, be provided with the cotter ring on the movable disk, one side of movable disk is provided with the spacing piece, the opposite side meshing is connected with the quiet dish, and quiet dish fixedly connected with the other end of protecgulum, fixedly connected with the back lid on the outer wall of one side of quiet dish, the position department that corresponds the quiet dish has been seted up first ring channel on the back lid, through-hole and a plurality of shallow grooves have been seted up in the back lid, three cavity and opening switch on connection in the back lid.
Preferably, the width of the opening is 3-5 mm, the width of the first annular groove is 1-2 mm, the width of the shallow groove is 1-2 mm, the depth is 0.01-0.05 mm, the diameter of the input wheel is 50-80 mm, the diameter of the magnetic yoke wheel is 110-130 mm, the thickness of the limiting sheet is 2-5 mm, the friction coefficient is 0.01-0.05, the matrix of the limiting sheet is carbon alloy steel, and 0.002-0.01 mm of sulfur and molybdenum disulfide are permeated into the surface of the matrix to form a supporting lubricating layer.
Preferably, the movable plate is made of aluminum, and finished molded lines are subjected to anodic oxidation treatment, vacuum infiltration treatment and baking solidification treatment, wherein the infiltration liquid is a mixture of 10% -25% of molybdenum disulfide and 50% -70% of Teflon, and the baking temperature after infiltration is 150-180 ℃.
Preferably, a second annular groove is formed in the front cover at a position corresponding to the static disc, and sealing rings are arranged in the first annular groove and the second annular groove.
Preferably, the friction plate is fixedly connected to the position, corresponding to the armature, of the yoke wheel, 50% -70% of copper powder and 5% -10% of carbon fiber are adopted for the friction plate, the friction plate is molded with a mixture of resin and quartz sand, the temperature is 300-450 ℃, the friction coefficient of a finished product is 0.5-0.8, and the diameter of copper powder particles is 0.05-0.1 mm.
Preferably, the input wheel is fixedly connected with a plurality of screws, and the screws are fixedly connected to the input shaft.
Preferably, the main shaft is fixedly connected with a third bearing and a fourth bearing, the third bearing is arranged in the front cover, and the fourth bearing is arranged in the movable disc.
Preferably, the friction plate is provided with a spiral groove, and the width of the spiral groove is 0.5-2 mm.
Preferably, the input shaft is fixedly connected with a first bearing and a second bearing, and the first bearing and the second bearing are both installed in the flange cover.
Preferably, the flange cover is fixedly connected with a plurality of bolts, and the bolts are fixedly connected to the front cover.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, by improving the clutch structure, the torque is improved by 50% -150%, the durability is improved by 50% -100% by improving the friction plate, the limit plate and the movable plate, the problems that the compressor cannot provide high torque power when in normal high-rotation-speed operation and the durability of the compressor is poor are solved, the volumetric efficiency is further improved, and the volumetric efficiency is improved by 3% -5% by 6000 rpn-12000 rpm; the invention can accommodate, mute and reduce pulsation of the gas discharged from the compressor by adding the labyrinth structure on the rear cover.
Drawings
FIG. 1 is a schematic view of the overall front cut-away structure of the present invention;
FIG. 2 is a schematic diagram of a movable disk in a three-dimensional structure according to the present invention;
FIG. 3 is a schematic side view of a movable plate of the present invention in cross-section;
FIG. 4 is a schematic perspective view of a rear cover according to the present invention;
FIG. 5 is a schematic top view of a rear cover part of the present invention
FIG. 6 is a schematic perspective view of a spacing block according to the present invention;
fig. 7 is a schematic perspective view of a yoke wheel according to the present invention.
In the figure: 101. an input wheel; 102. an input shaft; 103. a first bearing; 104. a second bearing; 105. a flange cover; 106. a bolt; 107. a screw; 201. an electromagnetic coil; 202. a yoke wheel; 203. an armature; 204. a friction plate; 2041. a spiral groove; 205. a hub; 301. a main shaft; 302. an oil seal; 303. a limiting piece; 304. a movable plate; 305. a pin ring; 306. a static disc; 307. a rear cover; 3071. a first annular groove; 3072. shallow grooves; 3073. a through hole; 3074. a cavity; 3075. an opening; 3076. a seal ring; 308. a third bearing; 309. a fourth bearing; 310. a front cover; 3101. and a second annular groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, an embodiment of the present invention is provided: the utility model provides a high-speed high torque vehicle air conditioner scroll compressor, including protecgulum 310, the one end fixedly connected with flange lid 105 of protecgulum 310, the yoke wheel 202 has been cup jointed in the flange lid 105, fixedly connected with input shaft 102 in the yoke wheel 202, the one end fixedly connected with input wheel 101 of input shaft 102, install solenoid 201 on the yoke wheel 202, one side of yoke wheel 202 is provided with armature 203, fixedly connected with wheel hub 205 on the armature 203, fixedly connected with main shaft 301 on the wheel hub 205, and main shaft 301 rotates to be connected in protecgulum 310, the oil blanket 302 has been cup jointed on the main shaft 301, and the oil blanket 302 is installed in protecgulum 310, the movable disk 304 is installed to the one end of main shaft 301, be provided with pin ring 305 on the movable disk 304, one side of movable disk 304 is provided with spacing piece 303, the opposite side meshing is connected with stationary disk 306, and stationary disk 306 is fixedly connected with the other end of protecgulum 310, fixedly connected with back cover 307 on the outer wall of one side of stationary disk 306, the position department of stationary disk 306 has seted up first ring channel 3071 on back cover 307, set up through-hole 3073 and a plurality of slots 30307 and three ring channels 3074 and 3072 open through the opening of cavity 3075 and 75 open through the opening of cavity 3072; the width of the opening 3075 is 3-5 mm, the width of the first annular groove 3071 is 1-2 mm, the width of the shallow groove 3072 is 1-2 mm, the depth is 0.01-0.05 mm, the diameter of the input wheel 101 is 50-80 mm, the diameter of the magnetic yoke wheel 202 is 110-130 mm, the thickness of the limiting sheet 303 is 2-5 mm, the friction coefficient is 0.01-0.05, the matrix of the limiting sheet 303 is carbon alloy steel, and 0.002-0.01 mm of sulfur and molybdenum disulfide are permeated into the surface of the matrix to form a supporting lubricating layer; the movable plate 304 is made of aluminum, and finished molded lines are subjected to vacuum infiltration treatment and baking and curing treatment by anodic oxidation treatment, wherein the infiltration liquid is a mixture of 10% -25% of molybdenum disulfide and 50% -70% of Teflon, and the baking temperature after infiltration is 150-180 ℃; a second annular groove 3101 is formed in the front cover 310 at a position corresponding to the static disc 306, and sealing rings 3076 are arranged in the first annular groove 3071 and the second annular groove 3101; the friction plate 204 is fixedly connected to the position, corresponding to the armature 203, on the magnetic yoke wheel 202, and the friction plate 204 is formed by a mixture of 50% -70% of copper powder and 5% -10% of carbon fiber, resin and quartz sand, the temperature is 300-450 ℃, the friction coefficient of the finished product is 0.5-0.8, and the diameter of copper powder particles is 0.05-0.1 mm; a plurality of screws 107 are fixedly connected to the input wheel 101, and the screws 107 are fixedly connected to the input shaft 102; a third bearing 308 and a fourth bearing 309 are fixedly connected to the main shaft 301, the third bearing 308 is installed in the front cover 310, and the fourth bearing 309 is installed in the movable plate 304; the friction plate 204 is provided with a spiral groove 2041, and the width of the spiral groove 2041 is 0.5-2 mm; the input shaft 102 is fixedly connected with a first bearing 103 and a second bearing 104, and the first bearing 103 and the second bearing 104 are both arranged in the flange cover 105; the flange cover 105 is fixedly connected with a plurality of bolts 106, and the bolts 106 are fixedly connected to the front cover 310.
Working principle: in the invention, the front cover 310 and the flange cover 105 form an accommodating cavity for accommodating a clutch formed by the electromagnetic coil 201, the magnetic yoke wheel 202 and the armature 203, the diameter of the magnetic yoke wheel 202 is between 110 and 130mm, the torque provided by the clutch is between 30 and 120N.m, the front cover 310, the static disc 306 and the rear cover 307 are connected together, and the accommodating moving disc 304 forms a compressor whole; engine power is input from an input wheel 101, the input wheel 101 is fixed on an input shaft 102 by a screw 107, the input shaft 102 is supported by a first bearing 103 and a second bearing 104 which are arranged on a flange cover 105, and is connected with a magnet yoke wheel 202, so that rotating speed and torque are transmitted to the magnet yoke wheel 202, a first gap and a second gap are formed between an electromagnetic coil 201 and the magnet yoke wheel 202 which are arranged on the flange cover 105, the magnet yoke wheel 202 can rotate around the electromagnetic coil 201, meanwhile, the magnet yoke wheel 202 and an armature 203 can independently move, when the magnet yoke wheel 202 and the armature 203 are electrified, magnetic force forms magnetic poles on the magnet yoke wheel 202 through the first gap, the armature 203 is attracted, the third gap disappears, and the magnet yoke wheel form a whole and transmit torque and rotating speed due to the action of friction force; the armature 203 is connected with the main shaft 301 through the hub 205, the main shaft 301 passes through the third bearing 308, the driving movable disk 304 is meshed with the static disk 306, the movable disk 304 is provided with the fourth bearing 309 which is connected with the main shaft 301, the rotation restriction of the movable disk 304 in the movement is restricted by the pin ring 305 and the matched pin, meanwhile, the back surface of the movable disk 304 is contacted with the limit plate 303, and the limit plate 303 bears the pressure from the gas; the process method of the friction plate 204 of the invention specifically comprises the following steps: 50 to 70 percent of copper powder and 5 to 10 percent of carbon fiber are molded with a mixture of resin and quartz sand, the temperature is 300 to 450 ℃, the friction coefficient of a finished product is 0.5 to 0.8, fluid circulation heat dissipation is carried out through a spiral groove 2041 on the surface, the diameter of copper powder particles is 0.05 to 0.1mm, the friction coefficient of steel-steel is increased to 0.5 to 0.8 by adding a friction plate 204, the friction force is increased, meanwhile, the friction radius of a large-diameter magnetic yoke wheel 202 is increased, and the provided torque is increased; the substrate of the limiting plate 303 is carbon alloy steel with low cost, sulfur and molybdenum disulfide with the thickness of 0.002-0.01 mm are permeated into the surface of the substrate to form a supporting lubricating layer, the friction coefficient of the supporting lubricating layer is 0.01-0.05, and the processing method ensures that the generated supporting lubricating layer is all in the metal substrate and forms intermolecular combination and permeation with the metal substrate, thereby ensuring the dimensional accuracy of the limiting plate 303, providing good supporting strength and low friction coefficient to adapt to high-speed and high-load operation; the movable disc 304 of the existing compressor is sealed by hot water after anodic oxidation to form a compact layer, in the vortex theory, the movable disc 304 is in a pure rolling state in the meshing of the fixed disc 306, but in practice, the movable disc 304 has a tiny sliding on the fixed disc 306, meanwhile, an oil film is broken by extrusion between the movable disc 304 and the fixed disc 306, and the two parts are directly contacted to form abrasion; the present invention provides a labyrinth structure comprising a cavity 3074 and an opening 3075 on the rear cover 307 for accommodating, silencing and reducing pulsation of the gas discharged from the compressor, a first annular groove 3071, a shallow groove 3072 and a through hole 3073 on the rear cover 307, and the oil accumulated in the rear cover 307 is cooled and sprayed to the suction end for lubrication and sealing through the passage.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A high speed high torque automotive air conditioning scroll compressor comprising a front cover (310), characterized in that: one end fixedly connected with flange lid (105) of protecgulum (310), the interior joint of flange lid (105) has magnetic yoke wheel (202), the interior fixedly connected with input shaft (102) of magnetic yoke wheel (202), one end fixedly connected with input wheel (101) of input shaft (102), install solenoid (201) on magnetic yoke wheel (202), one side of magnetic yoke wheel (202) is provided with armature (203), fixedly connected with wheel hub (205) on armature (203), fixedly connected with main shaft (301) on wheel hub (205), and main shaft (301) rotate and connect in protecgulum (310), sleeve over-joint oil blanket (302) on main shaft (301), and oil blanket (302) are installed in protecgulum (310), movable disk (304) are installed to one end of main shaft (301), be provided with round pin (305) on movable disk (304), one side of movable disk (304) is provided with spacing piece (303), the opposite side meshing is connected with quiet dish (306), and quiet disk (306) are fixedly connected with the other end of protecgulum (310), fixedly connected with on the outer wall of one side of quiet disk (306) behind-end cover (307), set up behind-end cover (307) corresponds in the annular groove (3071) in the position of a plurality of ring grooves (73), three cavities (3074) and openings (3075) are formed in the rear cover (307), and the cavities (3074) are connected in a conducting mode through the openings (3075).
2. The high-speed high-torque automotive air conditioning scroll compressor of claim 1, wherein: the width of the opening (3075) is 3-5 mm, the width of the first annular groove (3071) is 1-2 mm, the width of the shallow groove (3072) is 1-2 mm, the depth is 0.01-0.05 mm, the diameter of the input wheel (101) is 50-80 mm, the diameter of the magnetic yoke wheel (202) is 110-130 mm, the thickness of the limiting plate (303) is 2-5 mm, the friction coefficient is 0.01-0.05, the matrix of the limiting plate (303) is carbon alloy steel, and sulfur and molybdenum disulfide with the thickness of 0.002-0.01 mm are permeated into the surface of the matrix to form a supporting lubricating layer.
3. The high-speed high-torque automotive air conditioning scroll compressor of claim 1, wherein: the movable plate (304) is made of aluminum, and finished molded lines are subjected to anodic oxidation treatment, vacuum infiltration treatment and baking solidification treatment, wherein infiltration liquid is a mixture of 10% -25% of molybdenum disulfide and 50% -70% of Teflon, and baking temperature after infiltration is 150-180 ℃.
4. The high-speed high-torque automotive air conditioning scroll compressor of claim 1, wherein: a second annular groove (3101) is formed in the front cover (310) at a position corresponding to the static disc (306), and sealing rings (3076) are arranged in the first annular groove (3071) and the second annular groove (3101).
5. A high speed high torque automotive air conditioning scroll compressor as defined in claim 2, wherein: the friction plate (204) is fixedly connected to the position, corresponding to the armature (203), of the yoke wheel (202), 50% -70% of copper powder and 5% -10% of carbon fiber are adopted for the friction plate (204), the friction plate is molded with a mixture of resin and quartz sand, the temperature is 300-450 ℃, the friction coefficient of a finished product is 0.5-0.8, and the diameter of copper powder particles is 0.05-0.1 mm.
6. A high speed high torque automotive air conditioning scroll compressor as defined in claim 2, wherein: a plurality of screws (107) are fixedly connected to the input wheel (101), and the screws (107) are fixedly connected to the input shaft (102).
7. A high speed high torque automotive air conditioning scroll compressor as defined in claim 3, wherein: and a third bearing (308) and a fourth bearing (309) are fixedly connected to the main shaft (301), the third bearing (308) is arranged in the front cover (310), and the fourth bearing (309) is arranged in the movable disc (304).
8. The high-speed high-torque automotive air conditioning scroll compressor of claim 5, wherein: the friction plate (204) is provided with a spiral groove (2041), and the width of the spiral groove (2041) is 0.5-2 mm.
9. The high-speed high-torque automotive air conditioning scroll compressor of claim 6, wherein: the input shaft (102) is fixedly connected with a first bearing (103) and a second bearing (104), and the first bearing (103) and the second bearing (104) are both arranged in the flange cover (105).
10. The high-speed high-torque automotive air conditioning scroll compressor of claim 9, wherein: a plurality of bolts (106) are fixedly connected to the flange cover (105), and the bolts (106) are fixedly connected to the front cover (310).
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| CN116928096B (en) | 2024-03-15 |
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