CN118111115A - Wall-mounted air conditioner indoor unit and air conditioner - Google Patents
Wall-mounted air conditioner indoor unit and air conditioner Download PDFInfo
- Publication number
- CN118111115A CN118111115A CN202211508778.4A CN202211508778A CN118111115A CN 118111115 A CN118111115 A CN 118111115A CN 202211508778 A CN202211508778 A CN 202211508778A CN 118111115 A CN118111115 A CN 118111115A
- Authority
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- China
- Prior art keywords
- panel
- wall
- folded plate
- air
- air conditioner
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 108091006146 Channels Proteins 0.000 claims 5
- 238000004378 air conditioning Methods 0.000 claims 2
- 102000010637 Aquaporins Human genes 0.000 claims 1
- 108010063290 Aquaporins Proteins 0.000 claims 1
- 230000005494 condensation Effects 0.000 abstract description 11
- 238000009833 condensation Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The invention provides a wall-mounted air conditioner indoor unit and an air conditioner, comprising a panel and a shell, wherein the panel is arranged on the front side of the shell, an air duct is formed between the panel and the shell, a lower air outlet is arranged at the lower part of the shell, an upper air outlet is arranged between the top of the panel and the shell, a baffle is arranged between the lower part of the panel and the shell, a driving device controls the opening and closing of the baffle to control the on-off of the air duct, a flow guide piece is arranged in the air duct, and the air duct is divided into a double-flow-passage structure by the flow guide piece. The air duct is divided into the double flow channels through the arrangement of the flow guide piece, when the air outlet is guaranteed to be realized, part of cold air is blown to the outer wall of the panel through the second flow channel of the double flow channels, cold air atmosphere is formed on the outer wall of the panel, hot air is prevented from accumulating on the outer wall of the panel, condensation is prevented from being generated on the panel, and meanwhile, the air conditioner is enabled to form the states of upper air outlet, middle air outlet and lower air outlet through the arrangement of the flow guide piece, so that indoor air flows more uniformly, and indoor user comfort is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a wall-mounted air conditioner indoor unit and an air conditioner.
Background
The existing wall-mounted air conditioner usually adopts an upper air inlet mode and a lower air outlet mode, so that the air outlet direction of the air conditioner is close to the lower part, and when cold air reaches the middle part of a room, serious sinking of the cold air can occur, so that the cold air is blown to the heads of indoor people, and discomfort is caused to human bodies; during heating, the hot air floats upwards, so that the actual temperature perceived by the person positioned at the middle lower part of the room is lower. Therefore, in order to improve the comfort of indoor users, the air conditioner is improved to be provided with air outlets up and down, as shown in fig. 1, the air conditioner can supply air obliquely upwards by adopting the upper air outlet according to the characteristics of sinking cold air and rising hot air during refrigeration, and cold air flow can flow along the wall of the top of a room and slowly descend, so that shower refrigeration is realized, the temperature distribution of the room is more uniform, and the comfort is better; the lower air outlet is adopted to blow downwards during heating, so that hot air flows in a sticking way, thereby realizing carpet type heating effect and improving comfort.
But in the in-service use, especially during refrigeration, when cold wind upwards passes through the upper air outlet by the wind channel, the panel can be cooled off fast by low-temperature air, leads to the panel outside temperature to be less than ambient temperature's dew point temperature, and the difference in temperature between ambient temperature is great around with, easily produces the condensation on the panel, even the drip is indoor, influences user experience.
Disclosure of Invention
In view of the above, the present invention is directed to a wall-mounted air conditioner indoor unit and an air conditioner, so as to solve the problem that the panel of the air conditioner with the upper air outlet function in the prior art is easy to generate condensation, and affects the user experience.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
The utility model provides a wall-mounted air conditioner indoor unit, includes panel and casing, the panel sets up the front side of casing, form the wind channel between panel and the casing, the casing lower part is provided with down the air outlet, the panel top with set up the air outlet between the casing be provided with the baffle between panel lower part and the casing, drive arrangement control the opening and shutting of baffle is in order this control the break-make in wind channel the wind channel is inside to be set up the water conservancy diversion piece, the water conservancy diversion piece will the wind channel is separated into double-channel structure. Wind entering the air duct flows out through the two flow channels, so that a cold wind protection wall is formed on the outer side of the panel, hot air is prevented from accumulating on the outer wall of the panel, and condensation is prevented from being generated on the panel.
Further, the air duct comprises a first flow passage and a second flow passage, the first flow passage is close to one side of the shell, the second flow passage is close to one side of the panel, and wind entering the air duct flows to the outer wall of the panel at least partially through the second flow passage.
Further, the guide piece comprises a first folded plate and a second folded plate, the first folded plate is connected with the lower portion of the second folded plate, the first folded plate and the second folded plate form a V-shaped structure, one end of the second folded plate, which is far away from the first folded plate, extends upwards, a first runner is formed among the first folded plate, the second folded plate and the shell, and a second runner is formed among the second folded plate and the panel. Part of cold air entering the air duct is discharged through the first flow channel and the upper air outlet, and part of cold air is discharged to the outer wall of the panel through the second flow channel. The arrangement of the first folded plate has a drainage effect on wind passing through the first runner, ensures normal use of upper air outlet when the upper air guide door is in an open state, and can prevent condensed water from being generated on the panel while realizing upper air outlet.
Further, the flow guiding piece further comprises a third folded plate, the third folded plate is connected to the top of the second folded plate, the third folded plate is bent downwards to extend, and the second folded plate and the third folded plate form an inverted V-shaped structure. The cold air in the second runner plays a role in limiting drainage, so that the cold air reaches the outer wall of the panel, and meanwhile, when the cold air is discharged to the outer side of the panel through the second runner, the cold air can flow along the outer wall of the panel, so that the cold air is prevented from being directly discharged to the room far away from the panel after passing through the second runner, the cold air atmosphere is ensured to be formed on the outer wall of the panel, and condensation on the panel is fully prevented. And the arrangement of the third folding plate also enables the air conditioner to form the states of upper air outlet, middle air outlet and lower air outlet, so that indoor air flows more uniformly, and indoor user comfort is increased.
Further, the space enclosed by the second folded plate and the third folded plate forms a containing cavity, the panel is located in the containing cavity between the second folded plate and the third folded plate, gaps are reserved between the panel and the second folded plate and between the panel and the third folded plate, a second flow channel is formed between the inner wall of the panel and the second folded plate, and a third flow channel is formed between the outer wall of the panel and the third folded plate.
Further, the first flap has a length less than the second and third flaps, and a lower portion of the third flap is disposed proximate the middle of the panel.
Further, connecting ends are arranged at two ends of the top of the flow guiding piece, the connecting ends are arranged to be of structures extending outwards in a protruding mode, and the connecting ends are connected with the shell through connecting rods.
Further, a lower air guide door is arranged at the lower air outlet, and an upper air guide door is arranged at the upper air outlet.
Further, the driving devices of the upper air guide door, the baffle plate and the lower air guide door are all independently arranged.
Compared with the prior art, the wall-mounted air conditioner indoor unit has the following advantages:
The air duct is divided into the double channels through the arrangement of the flow guide piece, when the air outlet is guaranteed to be realized, part of cold air is blown to the outer wall of the panel through the second channels of the double channels, cold air atmosphere is formed on the outer wall of the panel, hot air is prevented from accumulating on the outer wall of the panel, and condensation is prevented from being generated on the panel. Meanwhile, the air conditioner is in the states of upper air outlet, middle air outlet and lower air outlet due to the arrangement of the third folded plate on the flow guiding piece, so that indoor air flows more uniformly, and indoor user comfort is improved.
The invention also provides an air conditioner comprising the wall-mounted air conditioner indoor unit.
The air conditioner has the same advantages as the wall-mounted air conditioner indoor unit compared with the prior art, and the description is omitted here.
Drawings
FIG. 1 is a schematic diagram of a prior art air conditioner with up and down air outlets;
fig. 2 is a schematic structural diagram of an indoor unit in a closed state according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an indoor unit in a down-wind outlet state according to an embodiment of the present invention;
Fig. 4 is a schematic structural diagram of an indoor unit in an up-wind outlet state according to an embodiment of the present invention;
Fig. 5 is a schematic structural diagram of an indoor unit in an up-down air outlet state according to an embodiment of the present invention;
FIG. 6 is a schematic view of a flow guide according to an embodiment of the present invention;
fig. 7 is a schematic view of another view angle structure of the flow guiding member according to an embodiment of the invention.
Reference numerals illustrate:
1-panel, 11-upper outlet, 110-upper damper, 2-housing, 21-lower outlet, 210-lower damper, 22-baffle, 3-deflector, 31-first flap, 32-second flap, 33-third flap, 34-receiving cavity, 35-connecting end, 36-connecting rod, 301-first runner, 302-second runner, 303-third runner
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
As shown in fig. 2 to 7, the present embodiment provides a wall-mounted air conditioner indoor unit, which comprises a panel 1 and a housing 2, wherein the panel 1 is arranged at the front side of the housing 2, an air duct is formed between the panel 1 and the housing 2, a lower air outlet 21 is arranged at the lower part of the housing 2, an upper air outlet 11 is arranged between the top of the panel 1 and the housing 2, a baffle 22 is arranged between the lower part of the panel 1 and the housing 2, and a driving device controls the opening and closing of the baffle 22 so as to control the opening and closing of the air duct. The air duct is internally provided with the guide piece 3, and the guide piece 3 divides the air duct into a double-flow-channel structure.
Further, the air duct comprises a first flow channel 301 and a second flow channel 302, the first flow channel 301 is close to one side of the shell 2, the second flow channel 302 is close to one side of the panel 1, and at least part of air entering the air duct flows to the outer wall of the panel 1 through the second flow channel 302, so that a cold air protection wall is formed on the outer side of the panel, hot air is prevented from accumulating on the outer wall of the panel, and condensation on the panel is further prevented.
In this embodiment, the flow guiding member 3 includes a first folded plate 31 and a second folded plate 32, the first folded plate 31 is connected with the lower portion of the second folded plate 32, the first folded plate 31 and the second folded plate 32 form a V-shaped structure, one end of the second folded plate 32 away from the first folded plate 31 extends upwards, a first flow channel 301 is formed between the first folded plate 31, the second folded plate 32 and the casing, a second flow channel 302 is formed between the second folded plate 32 and the panel, and cold air entering the air channel is partially discharged through the first flow channel 301 and then through the upper air outlet 11, and partially discharged through the second flow channel 302 and then to the outer wall of the panel. The arrangement of the first folding plate 31 has a drainage effect on the wind passing through the first flow channel 301, ensures the normal use of the upper wind outlet when the upper wind guide door 110 is in an open state, realizes the upper wind outlet, and can prevent condensed water from being generated on the panel.
Further, the flow guiding member 3 further includes a third folded plate 33, the third folded plate 33 is connected to the top of the second folded plate 32, and the third folded plate 33 is bent and extended downward, and the second folded plate 32 and the third folded plate 33 form an inverted V-shaped structure. The space enclosed by the second folding plate 32 and the third folding plate 33 forms a containing cavity 34, the flow guiding piece 3 is installed, the rear panel 1 is positioned in the containing cavity 34 between the second folding plate 32 and the third folding plate 33, and gaps exist between the panel 1 and the second folding plate 32 and between the panel 1 and the third folding plate 33. The second flow channel 302 is formed between the inner wall of the panel 1 and the second folding plate 32, the third flow channel 303 is formed between the outer wall of the panel 1 and the third folding plate 33, when the air conditioner cools and the upper air outlet is in an open state, the first folding plate 31 guides part of cold air to pass through the first flow channel 301 and then to be discharged through the upper air outlet, the second folding plate 32 guides part of cold air to be blown to the outer side of the panel through the second flow channel 302 and the third flow channel 303, and a cold air atmosphere is formed at the outer side of the panel to prevent condensation on the panel. When the third folded plate 33 is arranged to enable cold air to be discharged to the outer side of the panel 1 through the second flow channel 302, the cold air can flow along the outer wall of the panel, so that the cold air is prevented from being directly discharged to the room far away from the panel 1 after passing through the second flow channel 302, the cold air atmosphere is ensured to be formed on the outer wall of the panel 1, and condensation on the panel 1 is fully prevented.
Further, the third folded plate 33 also enables the air conditioner to form the upper air outlet state, the middle air outlet state and the lower air outlet state, so that the indoor air flow is more uniform, and the indoor user comfort is improved.
Further, the length of the first folded plate 31 is smaller than that of the second folded plate 32 and the third folded plate 33, so that the first folded plate 31 plays a role in drainage, and meanwhile, the first folded plate 31 is prevented from occupying a larger space in the air duct. In the height direction, the lower portion of the third flap 33 is disposed near the middle portion of the panel 1, so that the cold air discharged through the second flow path 302 can form a wide cold air atmosphere at the outer wall of the panel 1.
Furthermore, the connection part of the second folded plate 32 and the third folded plate 33 forms the top of the flow guiding member 3, the two ends of the top of the flow guiding member 3 are provided with connection ends 35, the connection ends 35 are arranged into structures extending outwards in a protruding manner, and the connection ends 35 are connected with the shell 2 through connecting rods 36 to support and limit the flow guiding assembly 3.
As part of the embodiment of the present invention, a lower air guide door 210 is disposed at the lower air outlet 21, the lower air guide door 210 is rotatably connected with the housing 2, and the driving device controls the opening and closing of the lower air guide door 210, so as to control the opening and closing of the lower air outlet 21. An upper air guide door 110 is arranged at the upper air outlet 11, and a driving device controls the opening and closing of the upper air guide door 110, so as to control the opening and closing of the upper air outlet 11.
Further, the driving devices for controlling the opening and closing of the upper damper 110, the baffle 22 and the lower damper 210 are independently provided, and the opening and closing of the three are independent from each other. Preferably, the opening degrees of the upper air guide 110, the baffle 22 and the lower air guide 210 may be controlled by a driving device, so that the flow rates of the cold air at the upper air outlet 11, the air duct and the lower air outlet 21 are controlled, respectively.
As shown in fig. 2, when the indoor unit of the air conditioner is in a closed state, the driving device controls the upper damper 110, the baffle 22, and the lower damper 210 to be in a closed state.
As shown in fig. 3, the direction indicated by the arrow in the drawing is the cold air flowing direction, when the indoor unit of the air conditioner receives the instruction of only discharging air downwards, the driving device controls the baffle 22 and the upper air guide door 110 to be in a closed state, and at this time, the cold air discharged by the air conditioner is discharged into the room only through the lower air outlet 21, so as to realize the lower air discharge of the air conditioner.
As shown in fig. 4, the direction indicated by the arrow in the drawing is the cold air flowing direction, when the indoor unit of the air conditioner receives the instruction of only upward air outlet, the driving device controls the lower air guide door 210 to open, meanwhile, the baffle 22 and the upper air guide door 110 are opened, cold air discharged by the air conditioner flows upward through the opening part of the baffle 22 into the air duct, part of cold air in the air duct is discharged into the room through the first flow channel 301 and the upper air outlet 11, and part of cold air is discharged to the outer wall of the panel 1 through the second flow channel 302 and the third flow channel 303, so that the upward air outlet is realized in the room, and meanwhile, the panel 1 can be prevented from generating condensation.
As shown in fig. 5, the direction indicated by the arrow in the drawing is the cold air flowing direction, when the indoor unit of the air conditioner receives the instruction of simultaneously outputting air from top to bottom, the driving device controls the lower air guide door 210, the baffle 22 and the upper air guide door 110 to be opened, part of cold air exhausted by the air conditioner is discharged into the room through the lower air outlet 21, part of cold air in the air duct flows upwards through the opening part of the baffle 22 and enters the air duct, part of cold air in the air duct is discharged into the room through the first flow channel 301 and the upper air outlet 11, and part of cold air in the air duct is discharged to the outer wall of the panel 1 through the second flow channel 302 and the third flow channel 303, so that the indoor can realize the up-down simultaneous air output and prevent the panel 1 from generating condensation.
As part of the embodiment of the invention, there is also provided an air conditioner, including the wall-mounted air conditioner indoor unit.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Claims (10)
1. The utility model provides a wall-mounted air conditioner indoor unit, includes panel (1) and casing (2), panel (1) set up the front side of casing (2), its characterized in that, form the wind channel between panel (1) and casing (2), casing (2) lower part is provided with down air outlet (21), panel (1) top with set up air outlet (11) between casing (2) be provided with baffle (22) between panel (1) lower part and casing (2), drive arrangement control the opening and shutting in order to control of baffle (22) the break-make of wind channel the inside water conservancy diversion spare (3) that sets up of wind channel, water conservancy diversion spare (3) will the wind channel is divided into double-channel structure.
2. The wall-mounted air conditioner indoor unit according to claim 1, wherein the air duct comprises a first flow passage (301) and a second flow passage (302), the first flow passage (301) is close to one side of the housing (2), the second flow passage (302) is close to one side of the panel (1), and wind entering the air duct flows at least partially to the outer wall of the panel (1) through the second flow passage (302).
3. Wall-mounted air conditioning indoor unit according to claim 1, characterized in that the flow guide (3) comprises a first folded plate (31) and a second folded plate (32), the first folded plate (31) is connected with the lower part of the second folded plate (32), the first folded plate (31) and the second folded plate (32) form a V-shaped structure, one end of the second folded plate (32) away from the first folded plate (31) extends upwards, a first runner (301) is formed among the first folded plate (31), the second folded plate (32) and the shell (2), and a second runner (302) is formed among the second folded plate (32) and the panel (1).
4. A wall-mounted air conditioner indoor unit according to claim 3, wherein the air guide member (3) further comprises a third folded plate (33), the third folded plate (33) is connected to the top of the second folded plate (32), the third folded plate (33) is bent and extended downwards, and the second folded plate (32) and the third folded plate (33) form an inverted V-shaped structure.
5. The wall-mounted air conditioner indoor unit according to claim 4, wherein the space enclosed by the second folding plate (32) and the third folding plate (33) forms a containing cavity (34), the panel (1) is located in the containing cavity (34) between the second folding plate (32) and the third folding plate (33), gaps exist between the panel (1) and the second folding plate (32) and between the panel (1) and the third folding plate (33), a second flow channel (302) is formed between the inner wall of the panel (1) and the second folding plate (32), and a third flow channel (303) is formed between the outer wall of the panel (1) and the third folding plate (33).
6. Wall-mounted air conditioning indoor unit according to claim 4, characterized in that the first flap (31) has a length smaller than the second flap (32) and the third flap (33), the lower part of the third flap (33) being arranged close to the middle of the panel (1).
7. Wall-mounted air conditioner indoor unit according to claim 1, characterized in that the top two ends of the guide piece (3) are provided with connecting ends (35), the connecting ends (35) are arranged to be outwardly convex and extend, and the connecting ends (35) are connected with the shell (2) through connecting rods (36).
8. Wall-mounted air conditioner indoor unit according to claim 1, characterized in that the lower air outlet (21) is provided with a lower air guide door (210) and the upper air outlet (11) is provided with an upper air guide door (110).
9. The wall-mounted air conditioner indoor unit according to claim 8, wherein the driving means of the upper damper (110), the baffle (22) and the lower damper (210) are all independently provided.
10. An air conditioner comprising the wall-mounted air conditioner indoor unit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211508778.4A CN118111115A (en) | 2022-11-29 | 2022-11-29 | Wall-mounted air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211508778.4A CN118111115A (en) | 2022-11-29 | 2022-11-29 | Wall-mounted air conditioner indoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118111115A true CN118111115A (en) | 2024-05-31 |
Family
ID=91207357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211508778.4A Pending CN118111115A (en) | 2022-11-29 | 2022-11-29 | Wall-mounted air conditioner indoor unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118111115A (en) |
-
2022
- 2022-11-29 CN CN202211508778.4A patent/CN118111115A/en active Pending
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