CN114290893B - Method and device for controlling grid air inlet quantity of hybrid electric vehicle - Google Patents
Method and device for controlling grid air inlet quantity of hybrid electric vehicle Download PDFInfo
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- CN114290893B CN114290893B CN202111588719.8A CN202111588719A CN114290893B CN 114290893 B CN114290893 B CN 114290893B CN 202111588719 A CN202111588719 A CN 202111588719A CN 114290893 B CN114290893 B CN 114290893B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 26
- 238000009434 installation Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention relates to the technical field of automobile heat dissipation, in particular to a method and a device for controlling the grid air intake of a hybrid electric vehicle; including fixed frame, the installing frame, the movable frame, the connecting plate, the telescopic link, the sliding block, the track, the elastic component, the windshield, support and hold the subassembly and promote the subassembly, movable frame and installing frame sliding connection, the one end and the connecting plate fixed connection of every telescopic link, the other end and the movable frame fixed connection of every telescopic link, the both ends of every elastic component respectively with connecting plate and movable frame fixed connection, sliding block and movable frame fixed connection, track and fixed frame fixed connection, the installation intracavity is provided with supports and holds the subassembly, run through the inslot and be provided with the pushing subassembly, through pressing the movable frame, make the sliding block aim at the sliding tray, upwards slide the movable frame, drive the installing frame and remove on the fixed frame, the maintenance personnel maintenance of being convenient for is realized, cost of maintenance is reduced.
Description
Technical Field
The invention relates to the technical field of automobile heat dissipation, in particular to a method and a device for controlling the grid air intake of a hybrid electric vehicle.
Background
Automotive grilles are typically located in front of a vehicle and can be configured to provide an opening, such as a grille opening or a bumper opening, through which intake air received from outside the vehicle passes. These intake air may then be directed to the engine compartment of the automobile to assist the vehicle cooling system in cooling the engine, transmission, or other similar components of the engine compartment that require heat dissipation. When the vehicle is in high speed motion, the air flow through the grille can increase aerodynamic drag. Thus, some grills may employ a grill closing device to block such airflow, thereby reducing aerodynamic drag and improving fuel economy.
At present, an automobile grille is fixed on a vehicle, when a maintainer overhauls the automobile grille, the maintenance is troublesome, the maintainer is inconvenient to maintain, and the maintenance cost is high.
Disclosure of Invention
The invention aims to provide a method and a device for controlling the grid air inlet of a hybrid electric vehicle, and aims to solve the technical problems that maintenance staff in the prior art are inconvenient to maintain and the maintenance cost is high.
In order to achieve the above purpose, the grid air intake control device for the hybrid electric vehicle comprises a fixed frame, a mounting frame, a movable frame, a connecting plate, telescopic rods, sliding blocks, rails, elastic pieces, wind shields, supporting components and pushing components, wherein the fixed frame is provided with sliding grooves and mounting cavities, the movable frame is in sliding connection with the mounting frame, the number of the telescopic rods is multiple, one end of each telescopic rod is fixedly connected with the connecting plate, the other end of each telescopic rod is fixedly connected with the movable frame, the number of the elastic pieces is multiple, two ends of each elastic piece are respectively fixedly connected with the connecting plate and the movable frame, the sliding blocks are fixedly connected with the movable frame, the rails are fixedly connected with the fixed frame and are positioned in the sliding grooves, the sliding blocks are arranged in the rails in a sliding manner, the mounting frames are provided with a plurality of wind shields, the movable frame is provided with penetrating grooves and clamping grooves, the supporting components are communicated with the supporting components, and the supporting components are arranged in the penetrating grooves.
Pressing the movable frame makes the sliding block align the sliding groove, and the movable frame upwards slides to drive the mounting frame to move on the fixed frame, so that maintenance personnel can maintain conveniently, and maintenance cost is reduced.
The supporting assembly comprises a supporting spring, a supporting column and a supporting arc block, one end of the supporting spring is fixedly connected with the mounting frame and located in the mounting cavity, the other end of the supporting spring is fixedly connected with the supporting column and located on the inner side wall of the supporting column, the supporting arc block is fixedly connected with the supporting column and located on the outer side wall of the supporting column, and the supporting arc block is matched with the clamping groove.
The supporting spring is compressed and has resilience force, and when the movable frame moves to the clamping groove to be communicated with the mounting cavity, the supporting arc block is sprung into the clamping groove under the resilience force of the supporting spring.
The pushing assembly comprises a pressing block and a pushing column, the pressing block is in sliding connection with the movable frame and is located in the penetrating groove, and the pushing column is fixedly connected with the pressing block and is located in the penetrating groove.
The maintenance personnel presses the pushing block below the movable frame, the pressing block extrudes the pushing column, so that the pushing column pushes the supporting arc block into the installation cavity.
The pushing assembly further comprises a plurality of reset springs, one end of each reset spring is fixedly connected with the pressing block, and the other end of each reset spring is fixedly connected with the movable frame.
The pressing block returns to the original position under the resilience force of the return spring so as to press the pressing block next time.
The telescopic rod comprises an outer cylinder and an inner rod, the outer cylinder is fixedly connected with the connecting plate, one end of the inner rod is in sliding connection with the outer cylinder, and the other end of the inner rod is fixedly connected with the movable frame.
The inner rod is matched with the outer cylinder to limit the sliding track of the movable frame and improve the stability of the movable frame.
The grid air inlet control device of the hybrid electric vehicle further comprises an anti-slip pad, wherein the anti-slip pad is fixedly connected with the movable frame and is positioned on the outer side wall of the movable frame.
The anti-slip pad increases friction between maintenance personnel and the movable frame, and the situation that the maintenance personnel slide by hand when sliding the movable frame is avoided.
The invention also provides a control method of the grid air inlet control device of the hybrid electric vehicle, which comprises the following steps:
monitoring the temperature of the front cabin and judging whether the automobile works or not;
monitoring an automobile power mode;
when the automobile power is in a pure fuel mode, controlling the windshield to rotate so that the windshield and the mounting frame form an included angle of 30 degrees;
when the automobile power is in a pure electric mode, controlling the windshield to rotate so that the windshield and the mounting frame form an included angle of 60 degrees;
When the automobile power is in a hybrid mode, controlling the windshield to rotate so that the windshield and the mounting frame form an included angle of 90 degrees;
and controlling the rotation of the windshield to enable the windshield to be closed with the mounting frame when the temperature of the current cabin is 10 ℃.
According to the grid air intake control method and device for the hybrid electric vehicle, the sliding blocks are staggered with the sliding grooves, so that the sliding blocks are clamped on the mounting frame, when a maintenance person overhauls the vehicle, the movable plate is pressed, the elastic piece is compressed until the movable frame contacts the connecting plate, at the moment, the sliding blocks are aligned with the tracks, the maintenance person slides the movable frame upwards in the process of keeping pressing the movable frame, the sliding blocks slide in the tracks, the sliding blocks are matched with the tracks, the moving track of the movable frame is limited, when the movable frame moves to the clamping groove and the mounting cavity are communicated, the abutting component is sprung into the clamping groove, so that the movable frame and the fixed frame are relatively fixed, the maintenance person overhauls conveniently, after overhauling, the maintenance person presses the pushing component below the movable frame, the abutting component is pushed into the mounting cavity, and slides the movable frame to the original position, and the maintenance cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a grille air intake control apparatus for a hybrid vehicle according to the present invention.
Fig. 2 is a front view of the grille intake control apparatus for a hybrid vehicle of the present invention.
Fig. 3 is a cross-sectional view of the A-A line structure of fig. 2 in accordance with the present invention.
Fig. 4 is a cross-sectional view of the B-B line structure of fig. 2 in accordance with the present invention.
Fig. 5 is a cross-sectional view of the C-C line structure of fig. 2 in accordance with the present invention.
Fig. 6 is a cross-sectional view of the D-D line structure of fig. 2 in accordance with the present invention.
Fig. 7 is an enlarged view of a partial structure at E of fig. 3 according to the present invention.
Fig. 8 is an enlarged view of the partial structure at F of fig. 5 according to the present invention.
Fig. 9 is a flowchart showing steps of a method for controlling the grille intake of a hybrid vehicle according to the present invention.
1-Fixed frame, 2-mounting frame, 3-movable frame, 4-connecting plate, 5-telescopic rod, 6-sliding block, 7-track, 8-elastic piece, 9-windshield, 11-sliding groove, 12-mounting cavity, 31-through groove, 32-clamping groove, 51-outer cylinder, 52-inner rod, 101-supporting component, 102-pushing component, 103-anti-slip pad, 104-rotating motor, 105-speed changer, 106-coupler, 107-rotating column, 108-driving wheel, 109-driven wheel, 110-fixed column, 111-moving column, 1011-supporting spring, 1012-supporting column, 1013-supporting arc block, 1021-pressing block, 1022-pushing column and 1023-reset spring.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 8, the invention provides a grille air intake control device for a hybrid electric vehicle, which comprises a fixed frame 1, a mounting frame 2, a movable frame 3, a connecting plate 4, a telescopic rod 5, a sliding block 6, a track 7, an elastic piece 8, a wind shield 9, a supporting component 101 and a pushing component 102, wherein the fixed frame 1 is provided with a sliding groove 11 and a mounting cavity 12, the movable frame 3 is in sliding connection with the mounting frame 2, the telescopic rod 5 is provided with a plurality of telescopic rods, one end of each telescopic rod 5 is fixedly connected with the connecting plate 4, the other end of each telescopic rod 5 is fixedly connected with the movable frame 3, the elastic piece 8 is provided with a plurality of elastic pieces, two ends of each elastic piece 8 are respectively fixedly connected with the connecting plate 4 and the movable frame 3, the sliding block 6 is fixedly connected with the movable frame 3, the track 7 is fixedly connected with the fixed frame 1 and is positioned in the sliding groove 11, the sliding block 6 is arranged in the sliding groove 6, the clamping component 7 is arranged in the sliding groove 31 and the supporting component 101 is provided with the clamping groove 32, and the clamping groove 32 is arranged in the clamping groove 31 and the pushing component is communicated with the clamping groove 101.
In this embodiment, the sliding block 6 is staggered with the sliding groove 11, so that the sliding block 6 is clamped on the mounting frame 2, when a serviceman overhauls the vehicle, the movable plate is pressed, so that the elastic piece 8 is compressed until the movable frame 3 contacts the connecting plate 4, at this time, the sliding block 6 aligns with the track 7, the serviceman keeps pressing the movable frame 3, slides the movable frame 3 upwards, so that the sliding block 6 slides in the track 7, the sliding block 6 cooperates with the track 7, the moving track of the movable frame 3 is limited, when the movable frame 3 moves to the clamping groove 32 is communicated with the mounting cavity 12, the abutting component 101 is sprung into the clamping groove 32, so that the movable frame 3 is relatively fixed with the fixing frame 1, the serviceman presses the pushing component 102 below the movable frame 3, pushes the abutting component 101 into the mounting cavity 12, and reduces the maintenance cost of the serviceman to the mounting cavity 12 after the maintenance is completed.
Further, the supporting component 101 includes a supporting spring 1011, a supporting column 1012, and a supporting arc block 1013, one end of the supporting spring 1011 is fixedly connected with the mounting frame 2 and is located in the mounting cavity 12, the other end of the supporting spring 1011 is fixedly connected with the supporting column 1012 and is located on the inner side wall of the supporting column 1012, the supporting arc block 1013 is fixedly connected with the supporting column 1012 and is located on the outer side wall of the supporting column 1012, and the supporting arc block 1013 is matched with the clamping groove 32.
In this embodiment, the installation frame 2 presses the supporting arc block 1013, so that the supporting arc block 1013 and the supporting column 1012 are always located in the installation cavity 12, the supporting spring 1011 is compressed and has a resilient force, when the movable frame 3 moves to the clamping groove 32 to be communicated with the installation cavity 12, the supporting arc block 1013 is sprung into the clamping groove 32 under the resilient force of the supporting spring 1011, so that the movable frame 3 and the fixed frame 1 are relatively fixed, so that maintenance personnel can overhaul.
Further, the pushing assembly 102 includes a pressing block 1021 and a pushing post 1022, the pressing block 1021 is slidably connected with the movable frame 3 and is located in the through slot 31, and the pushing post 1022 is fixedly connected with the pressing block 1021 and is located in the through slot 31.
Further, the pushing assembly 102 further includes a plurality of return springs 1023, one end of each return spring 1023 is fixedly connected with the pressing block 1021, and the other end of each return spring 1023 is fixedly connected with the movable frame 3.
In this embodiment, after the maintenance is completed, the maintenance personnel presses the pushing block below the movable frame 3, the pressing block 1021 presses the pushing post 1022, the return spring 1023 is compressed and has a resilience force, so that the pushing post 1022 pushes the supporting arc block 1013 into the mounting cavity 12 and slides the movable frame 3 to the original position, and under the resilience force of the return spring 1023, the pressing block 1021 returns to the original position so as to press the pressing block 1021 next time.
Further, the telescopic rod 5 includes an outer cylinder 51 and an inner rod 52, the outer cylinder 51 is fixedly connected with the connecting plate 4, one end of the inner rod 52 is slidably connected with the outer cylinder 51, and the other end of the inner rod 52 is fixedly connected with the movable frame 3.
In this embodiment, when the maintenance personnel presses the movable frame 3, the inner rod 52 slides in the outer tube 51, and the inner rod 52 cooperates with the outer tube 51 to limit the sliding track of the movable frame 3 and improve the stability of the movable frame 3.
Further, the grille air intake control device of the hybrid electric vehicle further comprises an anti-slip pad 103, wherein the anti-slip pad 103 is fixedly connected with the movable frame 3 and is positioned on the outer side wall of the movable frame 3.
In this embodiment, when the maintenance personnel presses the movable frame 3, the limbs contact with the anti-slip pad 103, the anti-slip pad 103 increases the friction between the maintenance personnel and the movable frame 3, and prevents the maintenance personnel from slipping by hand when sliding the movable frame 3.
Further, the grid air intake control device for the hybrid electric vehicle further comprises a rotating motor 104, a speed changer 105, a coupler 106, rotating columns 107, a driving wheel 108 and driven wheels 109, wherein the rotating motor 104 is fixedly connected with the mounting frame 2 and is located on the inner side wall of the mounting frame 2, the speed changer 105 is fixedly connected with the output end of the rotating motor 104, the coupler 106 is fixedly connected with the output end of the speed changer 105, the number of the driving wheels 108 is multiple, each driving wheel 108 is fixedly connected with the rotating columns 107 and is sleeved on the outer side wall of the rotating columns 107, each driving wheel 108 is provided with the driven wheels 109, the driven wheels 109 are rotatably connected with the mounting frame 2, the driven wheels 109 are meshed with the driving wheels 108, and the windshield 9 is fixedly connected with the driven wheels 109.
In this embodiment, according to the power mode of the automobile, the rotation motor 104 is operated, the rotation motor 104 is matched with the speed changer 105 to drive the rotation column 107 to rotate, so as to drive the driving wheels 108 to rotate, the driven wheels 109 are in a vertical state with the corresponding driving wheels 108, the driven wheels 109 are meshed with the driving wheels 108, and the driving wheels 108 drive the driven wheels 109 to rotate, so that the angle between the windshield 9 and the mounting frame 2 is changed, the angle between the windshield 9 and the mounting frame 2 is changed according to different power modes, and the heat dissipation efficiency of the automobile under different power modes is improved.
Further, the grille air intake control device for a hybrid electric vehicle further comprises a fixed column 110 and a movable column 111, wherein the fixed column 110 is fixedly connected with the mounting frame 2 and is positioned in the mounting cavity 12, one end of the movable column 111 is fixedly connected with the fixed column 110, the other end of the movable column 111 is fixedly connected with the supporting column 1012, and the supporting spring 1011 surrounds the outer side walls of the fixed column 110 and the movable column 111 respectively.
In this embodiment, the supporting spring 1011 surrounds the outer side walls of the fixed column 110 and the movable column 111, the movable column 111 slides in the fixed column 110, and the fixed column 110 is matched with the movable column 111, so as to improve the stability of the supporting spring 1011.
Referring to fig. 9, the invention also provides a control method of the grid air intake control device of the hybrid electric vehicle, which comprises the following steps:
s1: monitoring the temperature of the front cabin and judging whether the automobile works or not;
S2: monitoring an automobile power mode;
S3: when the automobile power is in a pure fuel mode, the windshield 9 is controlled to rotate, so that an included angle of 30 degrees is formed between the windshield 9 and the mounting frame 2;
S4: when the automobile power is in a pure electric mode, the wind shielding plate 9 is controlled to rotate, so that an included angle of 60 degrees is formed between the wind shielding plate 9 and the mounting frame 2;
s5: when the automobile power is in a hybrid mode, the windshield 9 is controlled to rotate, so that an included angle of 90 degrees is formed between the windshield 9 and the mounting frame 2;
S6: the current cabin temperature is 10 ℃, and the rotation of the wind shielding sheet 9 is controlled, so that the wind shielding sheet 9 and the mounting frame 2 are closed.
The method comprises the steps of firstly monitoring the temperature of an automobile front cabin in real time, judging whether an automobile works, monitoring an automobile power mode when the temperature of the automobile front cabin is higher than 10 ℃, controlling the windshield 9 to rotate when the automobile power is in a pure fuel mode, enabling the windshield 9 to form a 30-degree included angle with the mounting frame 2, controlling the windshield 9 to rotate when the automobile power is in a pure electric mode, enabling the windshield 9 to form a 60-degree included angle with the mounting frame 2, controlling the windshield 9 to rotate when the automobile power is in a mixed mode, enabling the windshield 9 to form a 90-degree included angle with the mounting frame 2, and maintaining the windshield 9 to form a 30-degree included angle with the mounting frame 2 when the temperature of the front cabin is higher than 10 ℃ when the automobile is in a non-working state, and controlling the windshield 9 to rotate when the temperature of the front cabin is 10 ℃, enabling the windshield 9 to be closed with the mounting frame 2.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (5)
1. A grille air intake control device of a hybrid electric vehicle is characterized in that,
The grid air intake control device of the hybrid electric vehicle comprises a fixed frame, a mounting frame, a movable frame, a connecting plate, telescopic rods, sliding blocks, tracks, elastic pieces, wind shields, supporting components and pushing components, wherein the fixed frame is provided with sliding grooves and mounting cavities, the movable frame is in sliding connection with the mounting frame, the number of the telescopic rods is multiple, one end of each telescopic rod is fixedly connected with the connecting plate, the other end of each telescopic rod is fixedly connected with the movable frame, the number of the elastic pieces is multiple, two ends of each elastic piece are respectively fixedly connected with the connecting plate and the movable frame, the sliding blocks are fixedly connected with the movable frame, the tracks are fixedly connected with the fixed frame and are positioned in the sliding grooves, the sliding blocks are slidably arranged in the tracks, the mounting frame is provided with a plurality of wind shields, the movable frame is provided with a through groove and a clamping groove, the clamping groove is communicated with the through groove, and the pushing components are arranged in the cavity, and the supporting components are supported and communicated with the supporting components;
The supporting component comprises a supporting spring, a supporting column and a supporting arc block, one end of the supporting spring is fixedly connected with the mounting frame and is positioned in the mounting cavity, the other end of the supporting spring is fixedly connected with the supporting column and is positioned on the inner side wall of the supporting column, the supporting arc block is fixedly connected with the supporting column and is positioned on the outer side wall of the supporting column, and the supporting arc block is matched with the clamping groove;
The pushing assembly comprises a pressing block and a pushing column, the pressing block is in sliding connection with the movable frame and is positioned in the through groove, and the pushing column is fixedly connected with the pressing block and is positioned in the through groove;
The grid air intake control device of the hybrid electric vehicle further comprises a rotating motor, a speed changer, a coupler, a rotating column, driving wheels and driven wheels, wherein the rotating motor is fixedly connected with the mounting frame and is positioned on the inner side wall of the mounting frame, the speed changer is fixedly connected with the output end of the rotating motor, the coupler is fixedly connected with the output end of the speed changer, the number of the driving wheels is multiple, each driving wheel is fixedly connected with the rotating column and is sleeved on the outer side wall of the rotating column, each driving wheel is provided with driven wheels, the driven wheels are rotatably connected with the mounting frame, the driven wheels are meshed with the driving wheels, and the wind shield is fixedly connected with the driven wheels.
2. The grille air intake control apparatus for a hybrid vehicle according to claim 1, characterized in that,
The pushing assembly further comprises a plurality of reset springs, one end of each reset spring is fixedly connected with the pressing block, and the other end of each reset spring is fixedly connected with the movable frame.
3. The grille air intake control apparatus for a hybrid vehicle according to claim 1, characterized in that,
The telescopic rod comprises an outer cylinder and an inner rod, the outer cylinder is fixedly connected with the connecting plate, one end of the inner rod is in sliding connection with the outer cylinder, and the other end of the inner rod is fixedly connected with the movable frame.
4. The grille air intake control apparatus for a hybrid vehicle according to claim 1, characterized in that,
The grid air inlet control device of the hybrid electric vehicle further comprises an anti-slip pad, wherein the anti-slip pad is fixedly connected with the movable frame and is positioned on the outer side wall of the movable frame.
5. The control method using the grille air intake control device for a hybrid vehicle according to claim 1, comprising the steps of:
monitoring the temperature of the front cabin and judging whether the automobile works or not;
monitoring an automobile power mode;
when the automobile power is in a pure fuel mode, controlling the windshield to rotate so that the windshield and the mounting frame form an included angle of 30 degrees;
when the automobile power is in a pure electric mode, controlling the windshield to rotate so that the windshield and the mounting frame form an included angle of 60 degrees;
When the automobile power is in a hybrid mode, controlling the windshield to rotate so that the windshield and the mounting frame form an included angle of 90 degrees;
and controlling the rotation of the windshield to enable the windshield to be closed with the mounting frame when the temperature of the current cabin is 10 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111588719.8A CN114290893B (en) | 2021-12-23 | 2021-12-23 | Method and device for controlling grid air inlet quantity of hybrid electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111588719.8A CN114290893B (en) | 2021-12-23 | 2021-12-23 | Method and device for controlling grid air inlet quantity of hybrid electric vehicle |
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| CN114290893A CN114290893A (en) | 2022-04-08 |
| CN114290893B true CN114290893B (en) | 2024-05-31 |
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| CN202111588719.8A Active CN114290893B (en) | 2021-12-23 | 2021-12-23 | Method and device for controlling grid air inlet quantity of hybrid electric vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114290893A (en) | 2022-04-08 |
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