CN112160854B - Automobile air inlet system capable of adjusting air inlet temperature and air conditioner connecting structure thereof - Google Patents
Automobile air inlet system capable of adjusting air inlet temperature and air conditioner connecting structure thereof Download PDFInfo
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- CN112160854B CN112160854B CN202011056485.8A CN202011056485A CN112160854B CN 112160854 B CN112160854 B CN 112160854B CN 202011056485 A CN202011056485 A CN 202011056485A CN 112160854 B CN112160854 B CN 112160854B
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- air inlet
- air
- pipe
- resonant cavity
- tube section
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- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000004378 air conditioning Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000110 cooling liquid Substances 0.000 abstract description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0437—Liquid cooled heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0481—Intake air cooling by means others than heat exchangers, e.g. by rotating drum regenerators, cooling by expansion or by electrical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10268—Heating, cooling or thermal insulating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
-
- 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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
An automobile air inlet system capable of adjusting air inlet temperature and an air conditioner connecting structure thereof. The invention discloses an automobile air inlet system capable of adjusting air inlet temperature, which comprises an air inlet pipe and an air filter, wherein one end of the air inlet pipe is connected with the air filter, the other end of the air inlet pipe is connected with a resonant cavity, the resonant cavity is of a cavity structure, the front end of the resonant cavity is provided with an air inlet, the cavity structure is internally provided with a cavity for communicating the air inlet with the air inlet pipe, the air inlet is provided with a cold-heat exchange structure capable of adjusting the air inlet temperature entering the air inlet, and the cold-heat exchange structure comprises an exchange pipe fixed at the air inlet and a pipeline connecting structure, the pipeline connecting structure is arranged at two ends of the exchange pipe and can be connected with a low-pressure condensation pipe of an air conditioner, and condensate is introduced into the exchange pipe to adjust the air inlet temperature of the air inlet. The filling port for replacing the cooling liquid of the air conditioner pipeline is adjusted to be close to the resonant cavity, so that the replacement of the cooling liquid of the air conditioner is facilitated. The air conditioner pipeline and the resonant cavity are combined with each other, so that the maintainability of the air conditioner is improved, the air inlet effect of the cooling system is improved, and the radiating fins are additionally arranged, so that the effects of the two functions are enhanced.
Description
Technical Field
The invention relates to the technical field of automobile air inlet structures, in particular to an automobile air inlet system for adjusting air inlet temperature and an air conditioner connecting structure thereof.
Background
The current traditional automobile has raised higher requirements for the air inlet temperature and the air inlet amount of the engine along with the increase of the engine discharge capacity and the improvement of the engine performance requirements, and is influenced by various aspects such as modeling boundary, grid layout, part arrangement and the like, so that the area of the air inlet of certain automobile types is insufficient, or the air inlet has turbulence, the air inlet system has the phenomena of high air inlet temperature, unsmooth air inlet and the like. The existing vehicle air inlet system can only simply cool the inlet air through the fan, and the inlet air is not cooled by a perfect cooling circulation system, but is influenced by the size of the air pipe, the size of the fan is limited, and the effect can also be influenced.
Disclosure of Invention
The present invention is directed to solve the above-mentioned drawbacks of the prior art, and provides an air intake system and an air conditioner connection structure thereof, which can effectively adjust the air intake temperature of a vehicle.
In order to achieve the purpose, the automobile air inlet system capable of adjusting the air inlet temperature comprises an air inlet pipe and an air filter, and is characterized in that: the one end of intake pipe is connected the air is strained, and the other end is connected with the resonant cavity, the resonant cavity is provided with the air intake for the front end, inside have with the air intake with the cavity structure of the cavity of intake pipe intercommunication, air intake department is provided with adjustable entering the cold and hot exchange structure of the inlet air temperature of air intake, cold and hot exchange structure including be fixed in exchange pipe of air intake department with set up in exchange pipe both ends, can be connected with the low pressure condenser pipe of air conditioner and with the condensate leading-in adjust in the exchange pipe the pipeline connection structure of the inlet air temperature of air intake.
Furthermore, the heat radiating fins are fixed on the exchange tube, two ends of the exchange tube penetrate through the resonant cavity, and the pipeline connecting structure is arranged on a tube section of the exchange tube, which penetrates through the resonant cavity.
Furthermore, the air inlet is a rectangular air inlet, the exchange tube comprises a first length tube section and a second length tube section which are parallel to each other and arranged along the length direction of the air inlet, one end of the first length tube section and one end of the second length tube section both penetrate through the resonant cavity, the tube sections, through which the first length tube section penetrates through the resonant cavity and the second length tube section penetrate through the resonant cavity, are provided with the pipeline connecting structures, and a width tube section is connected between the other end of the first length tube section and the other end of the second length tube section.
Further, the surface of the first length of pipe section and the surface of the second length of pipe section are respectively fixed with the cooling fins along the respective axial directions.
Furthermore, a fan structure capable of improving the air inflow of the air inlet pipe is fixed in the air inlet pipe.
Furthermore, the fan structure comprises a fan support fixed on the inner wall of the air inlet pipe, and a fan coaxial with the air inlet pipe is arranged on the fan support.
Further, an air conditioner condensate filling port is arranged on the resonant cavity.
On the basis of the air inlet system, an air conditioner connecting structure of an automobile air inlet system with adjustable air inlet temperature is designed, and comprises an air conditioner compressor, a condenser, a low-pressure condensation pipe and the air inlet system with adjustable air inlet temperature, wherein the air conditioner compressor is connected with the air filter through a pipeline, the low-pressure condensation pipe is connected with the air conditioner compressor and the condenser, and a cold-heat exchange structure is connected with the low-pressure condensation pipe through the pipeline connecting structure.
Furthermore, the low pressure condenser pipe include with the first low pressure condenser pipe that air condition compressor is connected and with the second low pressure condenser pipe that the condenser is connected, first low pressure condenser pipe with connect through between the second low pressure condenser pipe pipeline connection structure connects cold and heat exchange structure.
Furthermore, the first low-pressure condenser pipe end is hinged to a first threaded sleeve with an internal thread, the second low-pressure condenser pipe end is hinged to a second threaded sleeve with an internal thread, and the pipeline connecting structure is threads arranged at two ends of the exchange pipe 5.
The invention has the beneficial effects that: the filling port for replacing the cooling liquid of the air conditioner pipeline is adjusted to be close to the resonant cavity, so that the replacement of the cooling liquid of the air conditioner is facilitated. The air conditioner pipeline and the resonant cavity are combined with each other, so that the maintainability of the air conditioner is improved, the air inlet effect of the cooling system is improved, and the radiating fins are additionally arranged, so that the effects of the two functions are enhanced. The air inlet system and air conditioner pipeline connecting structure designed by the invention does not need electric control, and the cost is reduced. Under the severe working condition in summer, on the premise of meeting the basic performance of the air conditioner, the cold-heat exchange system and the fan jointly act in the cavity of the resonant cavity, so that the air inlet problem is cooled, the air inlet flow is increased, and the air inlet performance of the whole vehicle is effectively improved.
Drawings
FIG. 1 is a perspective view of a connection structure of an air intake system and an air conditioner of an automobile according to the present invention;
FIG. 2 is a schematic view of the piping connection of the air intake system of the automobile of the present invention;
FIG. 3 is a piping connection diagram of the heat exchange structure according to the present invention;
FIG. 4 is a perspective view of an air induction system for a vehicle according to the present invention;
FIG. 5 is a perspective view of a heat exchange structure according to the present invention;
FIG. 6 is a cross-sectional view of the fan in the air inlet duct of the present invention;
FIG. 7 is a perspective view of a fan according to the present invention;
the air conditioner comprises an air inlet pipe 1, an air filter 2, a resonant cavity 3, an air inlet 4, an exchange pipe 5, a fan support 7, a fan 8, an air conditioner condensate filling port 9, an air conditioner compressor 10, a low-pressure condenser pipe 11.1, a first low-pressure condenser pipe 11.2, a second low-pressure condenser pipe 11.2, a condenser 12, a first threaded sleeve 13 and a second threaded sleeve 14.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
The automobile air inlet system capable of adjusting the air inlet temperature as shown in fig. 1-7 comprises an air inlet pipe 1 and an air filter 2, wherein one end of the air inlet pipe 1 is connected with the air filter 2, the other end of the air inlet pipe is connected with a resonant cavity 3, the resonant cavity 3 is of a cavity structure, the front end of the cavity structure is provided with an air inlet 4, and the cavity structure is internally provided with a cavity communicated with the air inlet 4 and the air inlet pipe 1.
The air inlet 4 is a rectangular air inlet, the exchange tube 5 comprises a first length tube section 5.1 and a second length tube section 5.2 which are parallel to each other and arranged along the length direction of the air inlet 4, one end of the first length tube section 5.1 and one end of the second length tube section 5.2 both penetrate through the resonant cavity 3, the tube sections of the first length tube section 5.1 penetrating through the resonant cavity 3 and the second length tube section 5.2 penetrating through the resonant cavity 3 are both provided with threads, and a width tube section 5.3 is connected between the other end of the first length tube section 5.1 and the other end of the second length tube section 5.2.
The surface of the first length 5.1 and the surface of the second length 5.2 are each fixed with fins 6 in the respective axial direction.
A fan structure is fixed in the air inlet pipe 1 and comprises a fan support 7 fixed on the inner wall of the air inlet pipe 1, and a fan 8 coaxial with the air inlet pipe 1 is arranged on the fan support 7.
An air conditioner condensate filling port 9 is arranged on the resonant cavity 3.
Air-conditioning connection structure of automobile air intake system, including air condition compressor 10, condenser 12, low pressure condenser pipe 11 and foretell adjustable air intake temperature's automobile air intake system, air condition compressor 10 passes through the pipe connection air filter 2, low pressure condenser pipe 11 is connected between air condition compressor 10 and condenser 12, low pressure condenser pipe 11 includes the first low pressure condenser pipe 11.1 of being connected with air condition compressor 10 and the second low pressure condenser pipe 11.2 of being connected with condenser 12, first low pressure condenser pipe 11.1 end hinged connection has first threaded sleeve 13 that has the internal screw thread, second low pressure condenser pipe 11.2 end hinged connection has second threaded sleeve 14 that has the internal screw thread. A first threaded sleeve 13 is connected to the threads of one end of the first length of pipe 5.1 and a second threaded sleeve 14 is connected to the threads of one end of the second length of pipe 5.2.
In the invention, firstly, the fan 8 is installed in the resonant cavity 3, after the air conditioner low-pressure pipe is installed in the engine room, the low-pressure condenser pipe 11 is butted and screwed with the inlet and outlet ends of the pipeline of the resonant cavity 3, the resonant cavity 3 is butted with the air inlet pipe 1, finally, the resonant cavity 3 is fixed on the upper part of the upper beam of the water tank, and so on during the disassembly. Compared with the traditional cold-heat circulating system which needs different electronic control, the cold-heat exchanging system has the advantages that the inlet air temperature of the air inlet system is originally improved in winter, and the refrigeration of the air conditioning system is in a closed state in cold days. This air intake system's air inlet environment is just abominable originally summer, and air conditioning system refrigeration is in the state of opening summer, thereby can optimize and admit air and improve whole car oil consumption, installs the fin near the pipeline in the resonant cavity additional in addition for the air conditioner pipe has better contact with the inside air of cavity of resonant cavity, has increased the heat radiating area of pipeline, thereby has reached better cold and heat exchange effect. The filling port for replacing the cooling liquid of the air-conditioning pipeline is adjusted to be close to the resonant cavity 3, so that the replacement of the cooling liquid of the air conditioner is facilitated.
The air conditioner pipeline and the resonant cavity 3 are combined with each other, so that the maintainability of the air conditioner is improved, the air inlet effect of the cooling system is improved, the radiating fins 6 are additionally arranged, the effect of the two functions is enhanced, and in addition, the air conditioner pipeline connecting structure does not need to be controlled electrically and controls the cost.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an adjustable inlet air temperature's car air intake system, includes intake pipe (1) and empty (2) of straining, its characterized in that: one end of the air inlet pipe (1) is connected with the air filter (2), the other end of the air inlet pipe is connected with a resonant cavity (3), the resonant cavity (3) is a cavity structure with an air inlet (4) arranged at the front end and a cavity for communicating the air inlet (4) with the air inlet pipe (1) inside, a cold-heat exchange structure capable of adjusting the air inlet temperature entering the air inlet (4) is arranged at the air inlet (4), and the cold-heat exchange structure comprises an exchange pipe (5) fixed at the air inlet (4) and pipeline connection structures which are arranged at two ends of the exchange pipe (5), can be connected with a low-pressure condensation pipe (11) of an air conditioner and can introduce condensate into the exchange pipe (5) to adjust the air inlet temperature of the air inlet (4);
a fan structure capable of improving the air inflow of the air inlet pipe (1) is fixed in the air inlet pipe (1);
the fan structure comprises a fan support (7) fixed on the inner wall of the air inlet pipe (1), and a fan (8) coaxial with the air inlet pipe (1) is arranged on the fan support (7);
an air conditioner condensate filling port (9) is formed in the resonant cavity (3);
the resonant cavity (3) is fixed on the upper part of the upper beam of the water tank.
2. The adjustable intake air temperature automotive air intake system of claim 1, characterized in that: the heat dissipation device is characterized in that the heat dissipation fins (6) are fixed on the exchange tubes (5), the two ends of each exchange tube (5) penetrate through the resonant cavity (3), and the pipeline connecting structure is arranged on the tube section of each exchange tube (5) penetrating through the resonant cavity (3).
3. The adjustable intake air temperature automobile intake system according to claim 2, wherein: the air inlet (4) is a rectangular air inlet, the exchange tube (5) comprises a first length tube section (5.1) and a second length tube section (5.2) which are parallel to each other and arranged along the length direction of the air inlet (4), one end of the first length tube section (5.1) and one end of the second length tube section (5.2) penetrate through the resonant cavity (3), the tube section of the resonant cavity (3) penetrated through the first length tube section (5.1) and the tube section of the second length tube section (5.2) penetrate through the tube section of the resonant cavity (3) and are provided with the pipeline connecting structure, and a width tube section (5.3) is connected between the other end of the first length tube section (5.1) and the other end of the second length tube section (5.2).
4. The adjustable intake air temperature automobile air intake system of claim 3, wherein: the surface of the first length (5.1) and the surface of the second length (5.2) are each fixed with the cooling fins (6) in the respective axial direction.
5. The utility model provides an adjustable inlet air temperature's car air intake system's air conditioner connection structure, includes air condition compressor (10), condenser (12) and low pressure condenser pipe (11), its characterized in that: the automobile air inlet system capable of adjusting the air inlet temperature further comprises the automobile air inlet system capable of adjusting the air inlet temperature as claimed in any one of claims 1 to 4, the air conditioner compressor (10) is connected with the air filter (2) through a pipeline, the low-pressure condensation pipe (11) is connected between the air conditioner compressor (10) and the condenser (12), and the cold and heat exchange structure is connected with the low-pressure condensation pipe (11) through the pipeline connection structure.
6. The air-conditioning connecting structure of an air-intake system for an automobile capable of adjusting an intake air temperature according to claim 5, wherein: the low pressure condenser pipe (11) include with first low pressure condenser pipe (11.1) that air condition compressor (10) are connected and with second low pressure condenser pipe (11.2) that condenser (12) are connected, first low pressure condenser pipe (11.1) with connect between second low pressure condenser pipe (11.2) and pass through pipe connection connects the cold and heat exchange structure.
7. An air conditioning connection structure of an intake air temperature adjustable automobile air intake system according to claim 6, wherein: first low pressure condenser pipe (11.1) tip articulated connection has first screw sleeve (13) that have the internal screw thread, second low pressure condenser pipe (11.2) tip articulated connection has second screw sleeve (14) that have the internal screw thread, pipeline connection structure for set up in the screw thread at exchange pipe (5) both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056485.8A CN112160854B (en) | 2020-09-29 | 2020-09-29 | Automobile air inlet system capable of adjusting air inlet temperature and air conditioner connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056485.8A CN112160854B (en) | 2020-09-29 | 2020-09-29 | Automobile air inlet system capable of adjusting air inlet temperature and air conditioner connecting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112160854A CN112160854A (en) | 2021-01-01 |
| CN112160854B true CN112160854B (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011056485.8A Active CN112160854B (en) | 2020-09-29 | 2020-09-29 | Automobile air inlet system capable of adjusting air inlet temperature and air conditioner connecting structure thereof |
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| Country | Link |
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| CN (1) | CN112160854B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203130299U (en) * | 2013-01-10 | 2013-08-14 | 浙江吉利汽车研究院有限公司杭州分公司 | Novel air inlet manifold |
| CN205370801U (en) * | 2015-11-23 | 2016-07-06 | 南京林业大学 | Dimethyl ether motor fuel cooling device |
| CN105932354A (en) * | 2016-05-10 | 2016-09-07 | 北京长安汽车工程技术研究有限责任公司 | Automobile power battery cooling system and electric automobile |
| CN206681876U (en) * | 2017-03-08 | 2017-11-28 | 安徽江康发动机销售技术服务中心有限责任公司 | A kind of engine charge air-conditioning |
| CN210370957U (en) * | 2019-06-25 | 2020-04-21 | 上汽通用五菱汽车股份有限公司 | Air inlet system of automobile engine |
-
2020
- 2020-09-29 CN CN202011056485.8A patent/CN112160854B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203130299U (en) * | 2013-01-10 | 2013-08-14 | 浙江吉利汽车研究院有限公司杭州分公司 | Novel air inlet manifold |
| CN205370801U (en) * | 2015-11-23 | 2016-07-06 | 南京林业大学 | Dimethyl ether motor fuel cooling device |
| CN105932354A (en) * | 2016-05-10 | 2016-09-07 | 北京长安汽车工程技术研究有限责任公司 | Automobile power battery cooling system and electric automobile |
| CN206681876U (en) * | 2017-03-08 | 2017-11-28 | 安徽江康发动机销售技术服务中心有限责任公司 | A kind of engine charge air-conditioning |
| CN210370957U (en) * | 2019-06-25 | 2020-04-21 | 上汽通用五菱汽车股份有限公司 | Air inlet system of automobile engine |
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| Publication number | Publication date |
|---|---|
| CN112160854A (en) | 2021-01-01 |
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