CN112228342A - New forms of energy electric automobile air conditioner compressor - Google Patents
New forms of energy electric automobile air conditioner compressor Download PDFInfo
- Publication number
- CN112228342A CN112228342A CN202010982199.8A CN202010982199A CN112228342A CN 112228342 A CN112228342 A CN 112228342A CN 202010982199 A CN202010982199 A CN 202010982199A CN 112228342 A CN112228342 A CN 112228342A
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- Prior art keywords
- bearing
- movable scroll
- disk
- eccentric
- movable
- Prior art date
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- 230000003068 static effect Effects 0.000 claims abstract description 11
- 238000004378 air conditioning Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011153 ceramic matrix composite Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 108090000565 Capsid Proteins Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
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- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
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- 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
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- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a new energy electric automobile air conditioner compressor, which comprises a shell, a static vortex disk, a movable vortex disk bearing and a driving mechanism, wherein the static vortex disk, the movable vortex disk bearing and the driving mechanism are arranged in the shell; one end of the movable scroll disk is meshed with the fixed scroll disk; the movable scroll disc bearing is arranged at the other end of the movable scroll disc and is in interference fit with the movable scroll disc; the driving mechanism is connected with the movable scroll disk through the movable scroll disk bearing and is used for driving the movable scroll disk to eccentrically revolve. This new forms of energy electric automobile air conditioner compressor move whirlpool dish bearing with move the interference fit between the whirlpool dish, eliminated and moved whirlpool dish bearing inner race and moved the clearance between the whirlpool dish, reducible vibrations reduce compressor operation noise, simultaneously, because move whirlpool dish bearing inner race and move and do not have relative rotation between the whirlpool dish, reduce metal impurity and produce, be favorable to prolonging the life-span of moving whirlpool dish bearing.
Description
Technical Field
The invention relates to the technical field of air-conditioning compressors, in particular to a new energy electric automobile air-conditioning compressor.
Background
The compressor is used as the heart of a refrigerating system, is a fluid machine which compresses sucked low-pressure working medium into high-pressure working medium and then discharges the high-pressure working medium, wherein the scroll compressor is widely applied due to the characteristics of small volume, low noise, energy conservation, high efficiency and the like. The scroll compressor is composed of movable scroll disk and static scroll disk, and is characterized by that the movable scroll disk can be revolved relatively to the static scroll disk to compress air, and the revolution of the movable scroll disk can be driven by means of driving mechanism of eccentric wheel, etc. and the eccentric wheel and movable scroll disk are connected by means of movable scroll disk bearing. The movable scroll bearing of the prior scroll compressor of the automobile air conditioner adopts a clearance fit mode with the movable scroll. The clearance fit increases the operation noise of the electric compressor, and the outer ring of the movable scroll bearing and the movable scroll are likely to rotate equivalently, so that metal impurities are generated, and the service life of the movable scroll bearing is influenced.
Disclosure of Invention
The invention aims to provide a new energy electric automobile air conditioner compressor, which can reduce vibration and reduce the running noise of the compressor, and meanwhile, because the outer ring of the movable scroll disc bearing and the movable scroll disc do not rotate relatively, the generation of metal impurities is reduced, and the service life of the movable scroll disc bearing is prolonged.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a new forms of energy electric automobile air condition compressor, includes: the device comprises a shell, a static vortex disc, a movable vortex disc bearing and a driving mechanism, wherein the static vortex disc, the movable vortex disc bearing and the driving mechanism are arranged in the shell; one end of the movable scroll disk is meshed with the fixed scroll disk; the movable scroll disc bearing is arranged at the other end of the movable scroll disc and is in interference fit with the movable scroll disc; the driving mechanism is connected with the movable scroll disk through the movable scroll disk bearing and is used for driving the movable scroll disk to eccentrically revolve.
As a further preferred scheme, the driving mechanism comprises a motor and an eccentric wheel; the motor is arranged in the shell and comprises a main shaft, and the main shaft is provided with an eccentric rod protruding forwards; the eccentric wheel comprises a wheel body and an eccentric shaft protruding forwards from the wheel body, the eccentric shaft is provided with an eccentric hole penetrating through the wheel body in the front-back direction, the central shaft of the eccentric hole is staggered with the central line of the wheel body, the eccentric rod is inserted into the eccentric hole to drive the eccentric wheel to rotate, and the eccentric shaft is inserted into the movable scroll disk bearing to be connected with the movable scroll disk.
As a further preferable scheme, the scroll compressor further comprises a main shaft mounting seat and a first main shaft bearing, wherein the main shaft mounting seat is arranged in the shell and is positioned at the rear side of the fixed scroll, and the first main shaft bearing is mounted on the mounting seat and is fixed with the front end of the main shaft.
As a further preferable scheme, the casing comprises a front casing and a rear casing, the fixed scroll, the movable scroll and the spindle mounting seat are accommodated in the front casing, the rear casing is provided with a second spindle bearing, the second spindle bearing is fixed with the rear end of the spindle, and the rear casing is fixedly connected with the front casing.
Preferably, the scroll compressor further comprises a thrust ball bearing, the thrust ball bearing is arranged in the shell, and the front side and the rear side of the thrust ball bearing are respectively abutted against the movable scroll and the main shaft mounting seat.
As a further preferable mode, the front case and the rear case are fastened by bolt locking.
Compared with the prior art, the invention has the following beneficial effects:
this new forms of energy electric automobile air conditioner compressor move whirlpool dish bearing with move the interference fit between the whirlpool dish, eliminated and moved whirlpool dish bearing inner race and moved the clearance between the whirlpool dish, reducible vibrations reduce compressor operation noise, simultaneously, because move whirlpool dish bearing inner race and move and do not have relative rotation between the whirlpool dish, reduce metal impurity and produce, be favorable to prolonging the life-span of moving whirlpool dish bearing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an air-conditioning compressor of a new energy electric vehicle in embodiment 1;
FIG. 2 is a sectional view of an air-conditioning compressor of a new energy electric vehicle in embodiment 1;
fig. 3 is a front view of the fixed scroll in embodiment 1;
in the figure, a shell-1, a front shell-11, a rear shell-12, a second main shaft bearing-121, a static scroll-2, a second disc-21, a first scroll wall-22, a wear-resistant sheet-23, an air suction port-24, an air exhaust port-25, a limit step-26, a movable scroll-3, a first disc-31, a first scroll wall-32, a movable scroll bearing-4, a motor-5, an eccentric rod-511, an eccentric wheel-6, an eccentric shaft-61, a main shaft mounting seat-7, a first main shaft bearing-71 and a thrust ball bearing-8.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1-2, the present embodiment provides a new energy electric vehicle air conditioner compressor, including: the vortex-type compressor comprises a shell 1, a fixed vortex disc 2, a movable vortex disc 3, a movable vortex disc bearing 4 and a driving mechanism, wherein the fixed vortex disc 2, the movable vortex disc 3, the movable vortex disc bearing 4 and the driving mechanism are arranged in the shell.
The front end of the movable scroll disk is engaged with the fixed scroll disk, the scroll profiles of the movable scroll disk 3 and the fixed scroll disk 2 have the same parameters and are eccentrically assembled together after being staggered by 180 degrees, the movable scroll disk comprises a first disk body 31 and a first scroll wall 32 protruding forwards from the first disk body, the fixed scroll disk comprises a second disk body 21 and a first scroll wall 22 protruding forwards from the second disk body, and a plurality of pairs of crescent closed containing cavities can be formed between the two scroll walls. When the movable scroll disk performs eccentric revolution motion relative to the fixed scroll disk, a plurality of pairs of compression cavities which are mutually isolated and have continuously changed volumes are formed between the scroll walls of the movable scroll disk and the fixed scroll disk. The refrigerant enters a crescent suction cavity formed by the movable scroll disk and the fixed scroll disk and continuously approaches the center of the scroll disk, and along with the gradual reduction of the crescent containing cavity, the gas pressure and temperature in the containing cavity are continuously improved until the compression cavity is communicated with the exhaust hole of the fixed scroll disk and is discharged to be used for a refrigeration system. The movable scroll disk bearing 4 is arranged at the rear end of the movable scroll disk and is in interference fit with the movable scroll disk, an installation groove is formed in the rear end of the movable scroll disk, the inner diameter of the installation groove is slightly smaller than the outer diameter of the movable scroll disk bearing, and the movable scroll disk bearing and the movable scroll disk are fixed by pressing the movable scroll disk bearing into the installation groove in an interference fit mode; the driving mechanism is connected with the movable scroll disk through the movable scroll disk bearing and is used for driving the movable scroll disk to eccentrically revolve.
As shown in fig. 3, a suction port 24 is provided at one side of the fixed scroll 2, and a discharge port 25 is provided at the center of the bottom of the fixed scroll plate. A low-pressure working medium enters the vortex compression cavity from the air suction port, is compressed to the central area of the vortex compression cavity under the relative motion of the movable vortex disk and the fixed vortex disk and is compressed into a high-pressure working medium; the high-pressure working medium is then discharged from the exhaust port.
As shown in fig. 2 to 3, the fixed scroll further includes a wear-resistant plate 23 disposed in a scroll passage formed by the first scroll wall to prevent wear between the first scroll wall of the fixed scroll and the fixed scroll. One end of the fixed scroll disc corresponding to the exhaust hole is provided with a limit step, and the limit step 26 is in complementary butt joint with the wear plate to prevent the compressed object from leaking between the second scroll wrap and the wear plate 23. The limiting step and the static vortex disc are integrally formed, and the thickness of the limiting step is smaller than that of the limiting step. In other embodiments, in order to reduce friction and prolong the service life of the fixed scroll disk and the movable scroll disk, the surfaces of the scroll walls of the fixed scroll disk and the movable scroll disk are provided with chemical nickel-phosphorus plating layers, and the chemical nickel-phosphorus plating layers have excellent wear resistance, so that the service life of the scroll disk can be prolonged due to the high hardness and excellent roughness of the surfaces of the scroll walls, and the service life of the whole compressor can be greatly prolonged.
As shown in fig. 2, the driving mechanism includes a motor 5 and an eccentric 6. Wherein the motor 5 is provided in the housing for driving the orbiting scroll to rotate, and includes a main shaft 51 provided with an eccentric rod 511 protruding forward. The eccentric wheel comprises a wheel body and an eccentric shaft 61 protruding forwards from the wheel body, the eccentric shaft is provided with an eccentric hole penetrating through the wheel body, the central axis of the eccentric hole is staggered with the central line of the wheel body and the central line of the eccentric shaft, the eccentric rod is inserted into the eccentric hole to drive the eccentric wheel to rotate, and the eccentric shaft is inserted into the movable scroll bearing to be connected with the movable scroll. When the device runs, the motor main shaft rotates to drive the eccentric wheel to rotate, the rotation of the eccentric wheel drives the movable scroll disc bearing to perform eccentric revolution, and then the movable scroll disc is performed eccentric revolution.
The new energy electric automobile air conditioner compressor further comprises a main shaft mounting seat 7 and a first main shaft bearing 71, wherein the main shaft mounting seat is arranged in the shell and located on the rear side of the static scroll disk, and the first main shaft bearing 71 is mounted on the mounting seat and fixed with the output end of the main shaft.
Further, the outer periphery of the output end of the main shaft 51 is provided with a wear-resistant coating made of a ceramic material or a ceramic matrix composite material, and the ceramic matrix composite material is a composite material of ceramic and metal or a composite material of ceramic and ceramic. The characteristics of high hardness, high strength, excellent chemical stability, low friction coefficient and the like of the ceramic or ceramic composite material are utilized to improve the hardness and the wear resistance of the surface of the wear-resistant coating, so that the operation reliability of the scroll compressor is improved, and the service life of the compressor is prolonged.
As shown in fig. 1-2, the casing includes a front casing 11 and a rear casing 12, the fixed scroll, the movable scroll and the spindle mount are accommodated in the front casing, the rear casing is provided with a second spindle bearing 121, the second spindle bearing 121 is fixed to the rear end of the spindle 51, and the rear casing is fixedly connected to the front casing and is fastened and fixed by screws and nuts. Set up the casing into split type structure, can prevent on the one hand that casing axial dimension is too big, lead to installing bearing frame's structure processing casting difficult, the problem of casting gas pocket appears easily, and on the other hand procapsid can adopt the better die casting technology of shaping effect, but the lower back casing of structural strength requirement can conventional casting, so can improve the compressor reliability to effective reduction in production cost.
As shown in fig. 2, the automotive air conditioning compressor further comprises a thrust ball bearing 8, wherein the thrust ball bearing 8 is arranged in the shell, and the front side and the rear side of the thrust ball bearing are respectively abutted against the movable scroll and the main shaft mounting seat. The arrangement of the thrust ball bearing can reduce the material supply consumption and the heat generation generated between the bearing seat and the movable scroll due to friction.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a new forms of energy electric automobile air condition compressor which characterized in that includes: the device comprises a shell, a static vortex disc, a movable vortex disc bearing and a driving mechanism, wherein the static vortex disc, the movable vortex disc bearing and the driving mechanism are arranged in the shell; one end of the movable scroll disk is meshed with the fixed scroll disk; the movable scroll disc bearing is arranged at the other end of the movable scroll disc and is in interference fit with the movable scroll disc; the driving mechanism is connected with the movable scroll disk through the movable scroll disk bearing and is used for driving the movable scroll disk to eccentrically revolve.
2. The air-conditioning compressor of the new energy electric automobile according to claim 1, wherein the driving mechanism comprises a motor and an eccentric wheel; the motor is arranged in the shell and comprises a main shaft, and the main shaft is provided with an eccentric rod protruding forwards; the eccentric wheel comprises a wheel body and an eccentric shaft protruding forwards from the wheel body, the eccentric shaft is provided with an eccentric hole penetrating through the wheel body in the front-back direction, the central shaft of the eccentric hole is staggered with the central line of the wheel body, the eccentric rod is inserted into the eccentric hole to drive the eccentric wheel to rotate, and the eccentric shaft is inserted into the movable scroll disk bearing to be connected with the movable scroll disk.
3. The air-conditioning compressor of the new energy electric automobile as claimed in claim 2, further comprising a main shaft mounting seat and a first main shaft bearing, wherein the main shaft mounting seat is arranged in the shell and located at the rear side of the fixed scroll, and the first main shaft bearing is mounted on the mounting seat and fixed with the front end of the main shaft.
4. The air conditioner compressor of the new energy electric automobile as claimed in claim 3, wherein the housing comprises a front housing and a rear housing, the fixed scroll, the movable scroll and the spindle mounting seat are accommodated in the front housing, the rear housing is provided with a second spindle bearing, the second spindle bearing is fixed with a rear end of the spindle, and the rear housing is fixedly connected with the front housing.
5. The air conditioner compressor of the new energy electric automobile as claimed in claim 4, further comprising a thrust ball bearing, wherein the thrust ball bearing is arranged in the shell, and the front side and the rear side of the thrust ball bearing are respectively abutted against the movable scroll and the main shaft mounting seat.
6. The air conditioner compressor of the new energy electric automobile as claimed in claim 4, wherein the front shell and the rear shell are fastened by bolt locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010982199.8A CN112228342A (en) | 2020-09-17 | 2020-09-17 | New forms of energy electric automobile air conditioner compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010982199.8A CN112228342A (en) | 2020-09-17 | 2020-09-17 | New forms of energy electric automobile air conditioner compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112228342A true CN112228342A (en) | 2021-01-15 |
Family
ID=74108388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010982199.8A Pending CN112228342A (en) | 2020-09-17 | 2020-09-17 | New forms of energy electric automobile air conditioner compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112228342A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027755A (en) * | 2021-03-16 | 2021-06-25 | 江苏昊科汽车空调有限公司 | New energy automobile's vortex air conditioner compressor |
-
2020
- 2020-09-17 CN CN202010982199.8A patent/CN112228342A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027755A (en) * | 2021-03-16 | 2021-06-25 | 江苏昊科汽车空调有限公司 | New energy automobile's vortex air conditioner compressor |
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