CN117605648B - Refrigerating compressor - Google Patents
Refrigerating compressor Download PDFInfo
- Publication number
- CN117605648B CN117605648B CN202311642459.7A CN202311642459A CN117605648B CN 117605648 B CN117605648 B CN 117605648B CN 202311642459 A CN202311642459 A CN 202311642459A CN 117605648 B CN117605648 B CN 117605648B
- Authority
- CN
- China
- Prior art keywords
- piston
- wall
- connecting seat
- refrigeration compressor
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005057 refrigeration Methods 0.000 claims abstract description 17
- 239000011094 fiberboard Substances 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000011491 glass wool Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 5
- 239000012782 phase change material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0094—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 crankshaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/128—Crankcases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a refrigeration compressor, which aims to solve the problem that the noise is large when the existing refrigeration compressor works. The key points of the technical scheme are as follows: including interconnect's cylinder block and crankcase, be provided with the piston in the cylinder block, be provided with the bent axle in the crankcase, the piston passes through the connecting rod with the bent axle and links to each other, fixedly connected with threaded rod on the piston, threaded connection has the connecting seat on the threaded rod outer wall, has seted up a plurality of rotation grooves and a plurality of rotation inslot and all rotates to be connected with the turning block on the outer wall of connecting seat, fixedly connected with a plurality of connecting blocks on the outer wall of connecting seat, a plurality of connecting blocks are crisscross with the turning block and distribute. According to the invention, by utilizing the mutual coordination among the piston, the threaded rod, the connecting seat, the rotating groove and the like, the sliding friction between the piston and the cylinder body is converted into rolling friction, so that the friction force generated when the piston reciprocates in the cylinder body is reduced, the reciprocating motion of the piston is smoother, and meanwhile, the noise generated when the piston works can be reduced.
Description
Technical Field
The invention relates to the technical field of refrigeration systems, in particular to a refrigeration compressor.
Background
The refrigeration compressor is a core energy consumption component of the refrigeration system, and the most direct and effective means for improving the efficiency of the refrigeration system is to improve the efficiency of the compressor, which brings about significant reduction of the energy consumption of the system.
The crank-link compressor is one kind of refrigerating compressor, and is often used in refrigerator, and its theory of operation is that through crank-link mechanism with rotatory motor power conversion reciprocating motion's piston motion to make the inside suction and exhaust valve switching of compressor form the gas compression process, in this process, often can produce the noise, and along with refrigerating compressor service life's increase, the noise can further increase, seriously influences people's daily life.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a refrigeration compressor so as to solve the technical problems in the background art.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a refrigeration compressor, includes interconnect's cylinder block and crankcase, be provided with the piston in the cylinder block, be provided with the bent axle in the crankcase, the piston passes through the connecting rod with the bent axle and links to each other, fixedly connected with threaded rod on the piston, threaded connection has the connecting seat on the threaded rod outer wall, a plurality of rotation grooves and a plurality of have been seted up on the outer wall of connecting seat all rotated in the rotation groove and are connected with the rotor, fixedly connected with a plurality of connecting blocks on the outer wall of connecting seat, a plurality of connecting block and rotor staggered distribution, the outer wall of rotor contradicts each other with the inner wall of cylinder block, a plurality of spouts have been seted up on the inner wall of cylinder block, connecting block sliding connection just in the spout inner wall laminating each other with the outer wall of connecting block.
The invention is further provided with: the inside of the rotating block is filled with phase change material.
The invention is further provided with: the bottom of the piston is provided with a groove, and the connecting rod is positioned in the groove.
The invention is further provided with: and sound absorption layers are arranged on the inner walls of the crank cases.
The invention is further provided with: the sound absorption layer comprises a hard fiber board fixedly connected to the inner wall of the crankcase and glass wool filled in the hard fiber board, and a plurality of through holes are formed in the surface of the hard fiber board.
The invention is further provided with: the crankshaft comprises a shaft body and a porous material layer covered on the outer wall of the shaft body.
The invention is further provided with: and bearings are arranged at the joints of the connecting rods, the crankshafts and the pistons.
The invention is further provided with: and a plurality of channels penetrating to the top of the connecting seat are formed in the side wall of the rotating groove.
In summary, the invention has the following beneficial effects:
Utilize mutually supporting between piston, threaded rod, connecting seat, the rotary groove etc., sliding friction between piston and the cylinder block turns into rolling friction, reduce the frictional force that the piston produced when the internal reciprocating motion of cylinder, more smooth and easy while can also reduce the noise that the piston produced during operation when making the piston reciprocating motion, the leakproofness of connecting seat when reciprocating motion also can be avoided to the connecting block can be improved to the offset appears in the position of connecting seat simultaneously, and the connecting block laminates each other with the spout inner wall, can further improve sealed effect, avoid influencing refrigerating compressor's normal use, connecting seat and threaded rod mutual threaded connection simultaneously, the dismouting of connecting seat of being convenient for more, and then be convenient for maintain and change.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic diagram III of the structure of the present invention;
fig. 4 is a schematic structural diagram of the present invention.
In the figure: 1. a cylinder block; 2. a crankcase; 3. a piston; 4. a crankshaft; 5. a connecting rod; 6. a threaded rod; 7. a connecting seat; 8. a rotating groove; 9. a rotating block; 10. a connecting block; 11. a chute; 12. a groove; 13. a hard fiberboard; 14. glass wool; 15. a through hole; 16. a shaft body; 17. a porous material layer; 18. a bearing; 19. a channel.
Detailed Description
In order to make the technical solution of the present application better understood by those skilled in the art, the present application will be described in further detail with reference to the accompanying drawings and the specific embodiments, and it should be noted that the embodiments of the present application and features in the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with a crank case inside two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
1-4, The refrigeration compressor, as shown in FIG. 1-4, including the cylinder block 1 and crank case 2 that interconnect, there are pistons 3 in the cylinder block 1, there are crankshafts 4 in the crank case 2, the piston 3 couples to crankshaft 4 through the tie rod 5, and the bottom of the piston 3 offers the recess 12, the tie rod 5 locates in recess 12, thus reduce the overall weight of the piston 3, more facilitate the piston 3 to reciprocate, the junction of the tie rod 5 and crankshaft 4, piston 3 has bearings 18 at the same time, improve the fluency when the tie rod 5 rotates with crankshaft 4, piston 3, thus reduce the generation of the noise; the piston 3 is fixedly connected with a threaded rod 6, the outer wall of the threaded rod 6 is in threaded connection with a connecting seat 7, a plurality of rotating grooves 8 are formed in the outer wall of the connecting seat 7, rotating blocks 9 are rotationally connected in the rotating grooves 8, a plurality of connecting blocks 10 are fixedly connected to the outer wall of the connecting seat 7, the connecting blocks 10 and the rotating blocks 9 are distributed in a staggered mode, the outer wall of the rotating blocks 9 and the inner wall of the cylinder body 1 are mutually abutted, a plurality of sliding grooves 11 are formed in the inner wall of the cylinder body 1, the connecting blocks 10 are slidably connected in the sliding grooves 11, and the outer walls of the connecting blocks 10 and the inner walls of the sliding grooves 11 are mutually abutted;
the inside of the rotating block 9 is filled with phase change materials, the phase change materials can adjust the temperature inside the rotating block 9, and then adjust the temperature of the surface of the rotating block 9, so that the rotating block 9 is more suitable for the working environment when the cylinder block 1 runs, and the service life of the rotating block 9 is prolonged;
The inner walls of the crank case 2 are provided with sound absorption layers, and the sound absorption layers are used for absorbing noise generated during the working in the crank case 2, so that the transmission of the noise in the crank case 2 is reduced;
The sound absorption layer comprises a hard fiber board 13 fixedly connected to the inner wall of the crankcase 2 and glass wool 14 filled in the hard fiber board 13, the surface of the hard fiber board 13 is provided with a plurality of through holes 15, and as the surface of the hard fiber board 13 is provided with a plurality of through holes 15, when sound waves propagate to the surface of the hard fiber board, part of sound waves enter the hard fiber board 13 along the through holes 15, and the glass wool 14 is filled in the hard fiber board 13, so that a good sound absorption effect can be achieved under the cooperation of the glass wool 14 and the hard fiber board 13, and the hard fiber board 13 and the glass wool 14 have high temperature resistance, so that the safety during operation is improved;
the crankshaft 4 comprises a shaft body 16 and a porous material layer 17 covered on the outer wall of the shaft body 16, wherein the porous material layer 17 can play a role in absorbing sound when the shaft body 16 rotates, so that noise generated when the shaft body 16 rotates is reduced;
the side wall of the rotating groove 8 is provided with a plurality of channels 19 penetrating to the top of the connecting seat 7, so that sound waves generated by the rotating block 9 in the rotating process are transmitted along the channels 19, the transmission speed of the sound waves in the connecting seat 7 is slowed down, and the noise is reduced.
The invention is as follows when in normal use:
When the piston 3 reciprocates in the cylinder block 1, the threaded rod 6 can reciprocate along with the piston 3 due to the fixed connection between the piston 3 and the threaded rod 6, the connecting seat 7 reciprocates along with the threaded rod 6 after the connecting seat 7 is arranged on the threaded rod 6, meanwhile, the rotating block 9 and the connecting block 10 on the connecting seat 7 reciprocate along with the connecting seat 7, the rotating block 9 rotates in the rotating groove 8 connected on the outer wall of the connecting seat 7 and is mutually abutted with the inner wall of the cylinder block 1, the rotating block 9 rotates when the connecting seat 7 reciprocates, so that sliding friction between the piston 3 and the cylinder block 1 is converted into rolling friction, the friction force generated when the piston 3 reciprocates in the cylinder block 1 is reduced, the noise generated when the piston 3 reciprocates can be reduced, meanwhile, the connecting seat 10 between the rotating block 9 reciprocates, on one hand, the sealing performance of the connecting seat 7 during reciprocation can be improved, on the other hand, the position of the connecting seat 7 can be prevented from being offset, the connecting seat 10 and the inner wall 11 are mutually abutted with each other, the sealing effect can be further improved, the connecting seat 7 can be prevented from being used by the compressor, and the threaded rod 7 can be conveniently replaced, and replaced by the threaded rod 7 can be conveniently replaced by the threaded connection seat 7.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a refrigeration compressor, includes interconnect's cylinder block (1) and crankcase (2), be provided with piston (3) in cylinder block (1), be provided with bent axle (4) in crankcase (2), piston (3) link to each other through connecting rod (5) with bent axle (4), its characterized in that: fixedly connected with threaded rod (6) on piston (3), threaded connection has connecting seat (7) on threaded rod (6) outer wall, set up a plurality of rotation groove (8) and a plurality of on the outer wall of connecting seat (7) all rotate in rotation groove (8) and be connected with rotating block (9), fixedly connected with a plurality of connecting blocks (10) on the outer wall of connecting seat (7), a plurality of connecting block (10) are crisscross with rotating block (9) to be distributed, the outer wall of rotating block (9) contradicts each other with the inner wall of cylinder block (1), a plurality of spouts (11) have been seted up on the inner wall of cylinder block (1), connecting block (10) sliding connection just in spout (11) outer wall and spout (11) inner wall laminating each other.
2. A refrigeration compressor as set forth in claim 1 wherein: the inside of the rotating block (9) is filled with phase change material.
3. A refrigeration compressor as set forth in claim 1 wherein: the bottom of the piston (3) is provided with a groove (12), and the connecting rod (5) is positioned in the groove (12).
4. A refrigeration compressor as set forth in claim 1 wherein: and sound absorption layers are arranged on the inner walls of the crank case (2).
5. A refrigerant compressor as set forth in claim 4, wherein: the sound absorption layer comprises a hard fiber board (13) fixedly connected to the inner wall of the crankcase (2) and glass wool (14) filled in the hard fiber board (13), and a plurality of through holes (15) are formed in the surface of the hard fiber board (13).
6. A refrigeration compressor as set forth in claim 1 wherein: the crankshaft (4) comprises a shaft body (16) and a porous material layer (17) covered on the outer wall of the shaft body (16).
7. A refrigeration compressor as set forth in claim 1 wherein: the connecting rod (5) is provided with bearings (18) at the joints of the connecting rod (5), the crankshaft (4) and the piston (3).
8. A refrigeration compressor as set forth in claim 1 wherein: the side wall of the rotating groove (8) is provided with a plurality of channels (19) penetrating to the top of the connecting seat (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311642459.7A CN117605648B (en) | 2023-12-04 | 2023-12-04 | Refrigerating compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311642459.7A CN117605648B (en) | 2023-12-04 | 2023-12-04 | Refrigerating compressor |
Publications (2)
Publication Number | Publication Date |
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CN117605648A CN117605648A (en) | 2024-02-27 |
CN117605648B true CN117605648B (en) | 2024-05-24 |
Family
ID=89953274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202311642459.7A Active CN117605648B (en) | 2023-12-04 | 2023-12-04 | Refrigerating compressor |
Country Status (1)
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CN (1) | CN117605648B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3657973A (en) * | 1969-06-30 | 1972-04-25 | Burckhardt Ag Maschf | High-pressure compressors and pumps |
CN107401494A (en) * | 2017-09-06 | 2017-11-28 | 西南交通大学 | A kind of piston type air compressor |
CN208763849U (en) * | 2018-10-10 | 2019-04-19 | 惠州市华达通石化有限公司 | A kind of piston compressor of novel durable |
CN209308912U (en) * | 2018-11-19 | 2019-08-27 | 张印 | A kind of linear reciprocating piston type compressing mechanism |
CN111059029A (en) * | 2020-01-21 | 2020-04-24 | 天津商业大学 | Cylinder sealing mechanism of oil-free piston refrigeration compressor |
CN111911386A (en) * | 2020-08-12 | 2020-11-10 | 安徽高坚机械科技有限公司 | Crank-connecting rod mechanism for refrigeration compressor and working method thereof |
CN116480555A (en) * | 2023-05-09 | 2023-07-25 | 江苏齐力特环境技术有限公司 | Two-stage compression refrigeration cycle compressor |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2511254C (en) * | 2005-08-04 | 2007-04-24 | Westport Research Inc. | High-pressure gas compressor and method of operating a high-pressure gas compressor |
-
2023
- 2023-12-04 CN CN202311642459.7A patent/CN117605648B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3657973A (en) * | 1969-06-30 | 1972-04-25 | Burckhardt Ag Maschf | High-pressure compressors and pumps |
CN107401494A (en) * | 2017-09-06 | 2017-11-28 | 西南交通大学 | A kind of piston type air compressor |
CN208763849U (en) * | 2018-10-10 | 2019-04-19 | 惠州市华达通石化有限公司 | A kind of piston compressor of novel durable |
CN209308912U (en) * | 2018-11-19 | 2019-08-27 | 张印 | A kind of linear reciprocating piston type compressing mechanism |
CN111059029A (en) * | 2020-01-21 | 2020-04-24 | 天津商业大学 | Cylinder sealing mechanism of oil-free piston refrigeration compressor |
CN111911386A (en) * | 2020-08-12 | 2020-11-10 | 安徽高坚机械科技有限公司 | Crank-connecting rod mechanism for refrigeration compressor and working method thereof |
CN116480555A (en) * | 2023-05-09 | 2023-07-25 | 江苏齐力特环境技术有限公司 | Two-stage compression refrigeration cycle compressor |
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Publication number | Publication date |
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CN117605648A (en) | 2024-02-27 |
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