CN216409122U - Fresh air conditioner - Google Patents
Fresh air conditioner Download PDFInfo
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- CN216409122U CN216409122U CN202121674382.8U CN202121674382U CN216409122U CN 216409122 U CN216409122 U CN 216409122U CN 202121674382 U CN202121674382 U CN 202121674382U CN 216409122 U CN216409122 U CN 216409122U
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Abstract
The utility model relates to the technical field of air conditioners, in particular to a fresh air conditioner, wherein an inclined air outlet structure is arranged on a middle frame and/or a fresh air module, the inclined air outlet structure can enable fresh air produced by the fresh air module to be obliquely conveyed towards an air inlet area adjacent to a heat exchange air inlet on the outer side of the middle frame, so that the fresh air enters the fresh air conditioner through the heat exchange air inlet for heat exchange, and the fresh air is discharged after heat exchange, so that the fresh air is prevented from directly contacting with a user. Therefore, even if the difference between the indoor temperature and the outdoor temperature is too large, the user can not feel directly, and the comfort and the user experience are improved.
Description
Technical Field
The utility model relates to the field of air conditioners, in particular to a fresh air conditioner.
Background
An air conditioner is a device which adjusts and controls parameters such as temperature, humidity, flow rate and the like of ambient air in a building or a structure by manual means, and becomes an indispensable part of people in modern life.
The common air conditioner can only realize the functions of refrigeration and heating, and the indoor air quality is deteriorated after the common air conditioner is started for a long time.
In order to solve the technical problem, the fresh air conditioner is arranged on the market, but when the difference between the indoor temperature and the outdoor temperature is too large, the wind exhausted by the fresh air module of the fresh air conditioner on the market is hot or cold abnormally, and when the wind exhausted by the fresh air module directly contacts with a user, the comfort of the user is poor.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiment of the utility model is to provide a fresh air conditioner to solve the problem that in the prior art, when the difference between the indoor temperature and the outdoor temperature is too large, the wind exhausted by a fresh air module of the fresh air conditioner on the market is abnormally hot or cold, and when the wind exhausted by the fresh air module directly contacts a user, the comfort of the user is poor.
The fresh air conditioner provided by the embodiment of the utility model comprises: the heat exchange air inlet is formed in the middle frame, and an air inlet area is formed in the position, adjacent to the heat exchange air inlet, of the outer side of the middle frame; the fresh air module is arranged on the middle frame and used for exhausting fresh air towards the outside of the middle frame; the middle frame and/or the fresh air module are/is provided with an inclined air outlet structure, so that fresh air energy produced by the fresh air module is obliquely conveyed towards the air inlet area.
Furthermore, the middle frame is provided with an air outlet opening adjacent to the heat exchange air inlet, the inclined air outlet structure is arranged in the fresh air installation cavity of the middle frame, and the fresh air installation cavity gradually inclines towards the air inlet area from one end far away from the air outlet opening.
Furthermore, an air outlet opening which is adjacent to the heat exchange air inlet is formed in the middle frame, the inclined air outlet structure is arranged at a fresh air outlet of the fresh air module, the fresh air outlet faces the air outlet opening, and the fresh air outlet gradually faces the air inlet area from one end far away from the air outlet opening.
Furthermore, the inclined air outlet structure is arranged at an air outlet opening of the middle frame, the air outlet opening is adjacent to the heat exchange air inlet, the fresh air outlet of the fresh air module faces the air outlet opening, and the air outlet opening is inclined towards the air inlet area from one end close to the fresh air outlet.
Furthermore, the caliber of the air outlet opening is smaller than that of the fresh air outlet.
Further, the center still includes the leading flank, fresh air conditioner still includes: the front panel is arranged opposite to the front side face, an air outlet area is formed between the front panel and the front side face, and an air outlet channel communicated with the air outlet area is formed between the front panel and the middle frame; the heat exchange module is arranged on the middle frame, the heat exchange module is positioned between the heat exchange air inlet and the air outlet area, and air after heat exchange of the heat exchange module is exhausted through the air outlet duct.
Furthermore, the outer contour of the front panel is smaller than that of the front side face so as to form a plurality of air outlets, and the air outlet channel is formed by the air outlets.
Furthermore, the fresh air conditioner further comprises a telescopic driving part, the telescopic driving part is arranged on the middle frame and connected with the front panel, and the telescopic driving part is used for driving the front panel to extend out or retract relative to the front side face so as to enlarge the air outlet area or enable the front panel to cover the front side face.
Furthermore, the center still includes the bottom surface, the front flank with the hookup location of bottom surface offer with the heat transfer air outlet of the regional intercommunication of air-out, fresh air conditioner still includes the lift driving piece, it install in the center, and with the front panel is connected, the lift driving piece is used for driving the front panel risees and falls back to shield or expose the heat transfer air outlet.
Further, fresh air conditioner still includes: the temperature sensor is arranged at the fresh air outlet; and the control module is electrically connected with the temperature sensor and the heat exchange module and is used for adjusting the heat exchange quantity of the heat exchange module according to the detection data of the temperature sensor.
The embodiment of the utility model has the beneficial effects that: through being provided with slope air-out structure on center and/or new trend module, slope air-out structure enables the new trend of new trend module output to adjoin the regional transport of air inlet of heat transfer air intake aslope towards the center outside, and then makes the new trend get into the inside heat transfer of new trend air conditioner via the heat transfer air intake, and the new trend is discharged after the heat transfer, avoids the direct and user contact of new trend. Therefore, even if the difference between the indoor temperature and the outdoor temperature is too large, the user can not feel directly, and the comfort and the user experience are improved.
Drawings
The following detailed description of embodiments of the utility model will be made with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a portion of an embodiment of the present invention;
fig. 2 is a schematic view of an inclined air outlet structure according to an embodiment of the present invention;
fig. 3 is a schematic view of an inclined air outlet structure according to another embodiment of the present invention;
fig. 4 is a schematic view of an inclined air outlet structure according to another embodiment of the present invention;
fig. 5 is a schematic view of an inclined air outlet structure according to another embodiment of the present invention;
FIG. 6 is a cross-sectional view of an embodiment of the present invention with the front panel in a retracted state;
FIG. 7 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 8 is a schematic view of a horizontal outlet embodiment of the present invention;
FIG. 9 is a schematic view of an embodiment of the present invention with air blown in the direction of gravity;
the figures are numbered:
1. fresh air conditioning; 11. a middle frame; 111. a heat exchange air inlet; 112. a fresh air installation cavity; 113. an air outlet opening; 114. a front side; 115. an air outlet area; 116. a bottom side surface; 117. a heat exchange air outlet; 12. a fresh air module; 121. a fresh air outlet; 13. an inclined air outlet structure; 14. a front panel; 15. a heat exchange module; 16. an air outlet channel; 17. an air outlet; 171. an upper air outlet; 172. a lower air outlet; 173. a left air outlet; 174. a right air outlet; 18. a temperature sensor; 19. an air deflector; 200. an air intake area.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The embodiment of the utility model provides a fresh air conditioner 1, and as shown in fig. 1-5, the fresh air conditioner 1 comprises a middle frame 11, a fresh air module 12 and an inclined air outlet structure 13. The heat exchange air inlet 111 is opened to the center 11, and the position that the center 11 outside borders on heat exchange air inlet 111 is formed with the air inlet region 200, and new trend module 12 is installed in center 11, and new trend module 12 is used for discharging the new trend outside center 11. Wherein, the middle frame 11 and/or the fresh air module 12 are provided with an inclined air outlet structure 13 so that the fresh air energy generated by the fresh air module 12 is obliquely conveyed towards the air inlet area 200.
When indoor temperature and outdoor temperature differed when too big, the wind of new trend module 12 exhaust of new trend air conditioner on the market can be hot or cold unusually, it is relatively poor to lead to user's travelling comfort, through implementing this embodiment, be provided with slope air-out structure 13 on center 11 and/or new trend module 12, slope air-out structure 13 enables the new trend of new trend module 12 output to adjoin the regional 200 of air inlet of heat transfer air intake 111 towards the center 11 outside aslope and carry, and then make the new trend get into 1 inside heat transfer of new trend air conditioner via heat transfer air intake 111, the new trend is discharged after the heat transfer, avoid the new trend directly to contact with the user. Therefore, even if the difference between the indoor temperature and the outdoor temperature is too large, the user can not feel directly, and the comfort and the user experience are improved.
There are many ways to arrange the inclined air outlet structure 13, and several embodiments are listed below, which are referred to in conjunction with fig. 1 to 5:
the first embodiment is as follows: the middle frame 11 is provided with an air outlet 113 adjacent to the heat exchange air inlet 111, the inclined air outlet structure 13 is a fresh air installation cavity 112 arranged on the middle frame 11, and the fresh air installation cavity 112 is inclined gradually towards the air inlet area 200 from one end far away from the air outlet 113.
Specifically, because the fresh air installation cavity 112 is inclined, the fresh air module 12 is installed in the fresh air installation cavity 112, and is also inclined, so that the fresh air generated by the fresh air module 12 is obliquely conveyed towards the air inlet area 200.
Example two: the middle frame 11 is provided with an air outlet opening 113 adjacent to the heat exchange air inlet 111, the inclined air outlet structure 13 is a fresh air outlet 121 arranged on the fresh air module 12, the fresh air outlet 121 is arranged toward the air outlet opening 113, and the fresh air outlet 121 is inclined toward the air inlet area 200 from one end far away from the air outlet opening 113.
Specifically, this embodiment sets fresh air outlet 121 to a sloping fresh air outlet 121, and fresh air outlet 121 begins from the one end of keeping away from air-out opening 113, and the slope is towards the regional 200 of air inlet gradually, realizes from this that the new trend of new trend module 12 output is carried towards the regional 200 of air inlet aslope.
Example three: the inclined air outlet structure 13 is an air outlet opening 113 formed in the middle frame, the air outlet opening 113 is adjacent to the heat exchange air inlet 111, the fresh air outlet 121 of the fresh air module 12 is arranged toward the air outlet opening 113, and the air outlet opening 113 is inclined toward the air inlet area 200 from the end close to the fresh air outlet 121.
Specifically, the new trend of new trend module 12 output can advance into in air-out opening 113, again because air-out opening 113 is from the one end that is close to new trend air outlet 121, inclines towards the regional 200 of air inlet gradually, realizes from this that the new trend of new trend module 12 output is carried towards the regional 200 of air inlet aslope.
In a specific embodiment, the aperture of the air outlet opening 113 is smaller than the aperture of the fresh air outlet 121.
Specifically, the aperture of the air outlet opening 113 is smaller than the aperture of the fresh air outlet 121, so that fresh air output by the fresh air module 12 is pressurized and then conveyed to the air inlet area 200, and thus the total amount of fresh air entering the air inlet area 200 can be increased, and the comfort of a user during use is improved.
Of course, it is understood that the arrangement manner of the inclined air outlet structure 13 includes, but is not limited to, the above embodiments, as long as the fresh air generated by the fresh air module 12 is obliquely conveyed toward the air inlet area 200.
In one embodiment, as shown in FIGS. 6-8, the center frame 11 further includes a front side 114. The fresh air conditioner 1 further comprises a front panel 14 and a heat exchange module 15, the front panel 14 is arranged opposite to the front side surface 114, an air outlet area 115 is formed between the front panel 14 and the front side surface 114, and an air outlet duct 16 communicated with the air outlet area 115 is formed between the front panel 14 and the middle frame 11. The heat exchange module 15 is installed on the middle frame 11, the heat exchange module 15 is located between the heat exchange air inlet 111 and the air outlet area 115, and air after heat exchange of the heat exchange module 15 is exhausted through the air outlet duct 16.
Specifically, heat exchange module 15 is located between heat transfer air intake 111 and the air-out region 115 for the air of indoor environment can get into the center via heat transfer air intake 111 in, the air that gets into in the center 11 circulates to the air-out region after heat transfer module 15 exchanges heat, via the air-out of air flue 16 air-out afterwards, be different from the air conditioner among the prior art in the air-out mode of the leading flank 114 of center 11 and the hookup location air-out of bottom flank 116, user's fresh sense is higher, can arouse user's purchase desire.
In a specific embodiment, as shown in fig. 6-8, the outer contour of the front panel 14 is smaller than the outer contour of the front side surface 114 to form a plurality of air outlets 17, and the air outlet duct 16 is formed by a plurality of air outlets 17.
Specifically, 1 air-out scope of new trend air conditioner in the past is little, leads to the air after new trend and the heat transfer to be at indoor diffusion slow, and the travelling comfort is relatively poor, and user experience is not good. The air outlet 17 of this embodiment has a plurality ofly for new trend air conditioner 1 is broken up will wind when the air-out, has increased the air-out area, makes the air-out more even, changes in the air mixing with indoor environment, has increased the diffusion velocity of air-out, and the travelling comfort is better, and user experience is good.
Of course, it is understood that the air outlet 17 may include more than two of the upper air outlet 171, the lower air outlet 172, the left air outlet 173 and the right air outlet 174 in order to disperse the wind. Therefore, the fresh air conditioner 1 can output wind in the shape of '□', 'l', etc., as long as the fresh air conditioner can disperse the wind to be more easily mixed with the air in the indoor environment, wherein the wind in the shape of '□' can disperse the wind most, and thus the fresh air conditioner is the preferred embodiment of the utility model.
In a specific embodiment, as shown in fig. 5 to 8, the fresh air conditioner 1 further includes a temperature sensor 18 and a control module (not shown in the figure), the temperature sensor 18 is installed at the fresh air outlet 121, the control module is electrically connected to the temperature sensor 18 and the heat exchange module 15, and the control module is configured to adjust the heat exchange amount of the heat exchange module 15 according to the detection data of the temperature sensor 18.
Specifically, the fresh air module 12 transports the air in the outdoor environment to the indoor, and when the heat exchange function of the fresh air conditioner 1 is started, the temperature of the indoor environment is different from that of the outdoor environment, and the fresh air module 12 transfers the air in the outdoor environment to the indoor environment, so that the heat balance of the indoor environment can be damaged. In order to solve the above problems, the temperature sensor 18 is installed at the fresh air outlet 121, and the temperature of the fresh air outlet 121 is detected and fed back to the control module, so that the control module calculates the heat quantity brought by the air in the outdoor environment when the air is delivered to the indoor environment, and then adjusts the heat exchange quantity of the heat exchange module 15 to make corresponding compensation, thereby maintaining the heat balance of the indoor environment. Through implementing this embodiment, can guarantee the heat balance of indoor environment, improve travelling comfort and user experience.
In an embodiment, as shown in fig. 6 to 8, the fresh air conditioner 1 further includes a telescopic driving member (not shown) installed on the middle frame 11 and connected to the front panel 14, the telescopic driving member being used for driving the front panel 14 to extend or retract relative to the front side 114 so as to expand the air region 115 or cover the front side 114 with the front panel 14.
Specifically, the telescopic driving member can drive the front panel 14 to extend out from the front side surface 114, so as to expand the air outlet area 115, which is beneficial to the sufficient diffusion of the air after heat exchange before the fresh air conditioner 1 is discharged. The telescopic driving member can also drive the front panel 14 to retract relative to the middle frame 11, so that the front panel 14 covers the front side surface 114, thereby playing a dustproof effect, effectively reducing the cleaning frequency of the fresh air conditioner 1, and ensuring that the user experience is better.
In an embodiment, as shown in fig. 6 to 8, the middle frame 11 further includes a bottom side 116, a connection position between the front side 114 and the bottom side 116 is provided with a heat exchange air outlet 117 communicated with the air outlet region 115, the fresh air conditioner 1 further includes a lifting driving member (not shown in the figure), the lifting driving member is installed on the middle frame 11 and connected to the front panel 14, and the lifting driving member is used for driving the front panel 14 to rise and fall back to shield or expose the heat exchange air outlet 117.
Specifically, when the heat exchange function of the fresh air conditioner 1 is activated, the air after heat exchange can circulate to the heat exchange air outlet 117. In this embodiment, the lifting driving member can be used to drive the front panel 14 to rise or fall back so as to switch the air outlet mode of the fresh air conditioner 1. When front panel 14 is in the rising state, heat transfer air outlet 117 can be exposed, and the air after the heat transfer can blow off via heat transfer air outlet 117 this moment to in the short time, make the air after the local space obtains the heat transfer, when the user feels too hot, can also arrange heat transfer air outlet 117 department directly with self and blow, with rapid cooling. When the front panel 14 is in the falling state, the heat exchange air outlet 117 is shielded by the front panel 14, and because the heat exchange air outlet 117 is communicated with the air outlet area 115, the air after heat exchange can circulate to the air outlet area 115, and then is discharged through the air outlet duct 16.
In an embodiment, as shown in fig. 6 to 8, the fresh air conditioner 1 further includes a wind deflector 19 rotatably connected to the middle frame 11, the wind deflector 19 is located at a side of the heat exchanging air outlet 117 adjacent to the bottom side 116 of the middle frame 11, and the wind deflector 19 can rotate relative to the middle frame 11 to shield or expose the heat exchanging air outlet 117.
Specifically, the positions of the front panel 14 and the air guide plate 19 are different, so that the front panel 14 and the air guide plate 19 can be controlled, and different air outlet effects can be realized. For example, the air guide plate 19 may be rotated alone to blow air only from the side where the heat exchange outlet 117 adjoins the bottom side surface 116 of the center frame 11, or the front panel 14 may be lifted alone to blow air only from the side where the heat exchange outlet 117 adjoins the front side surface 114. When the front panel 14 is lifted, the air deflector 19 can be rotated to expand the air outlet range.
In an embodiment, as shown in fig. 6-2, the air deflector 19 is rotated until the air deflector 19 is perpendicular to the gravity direction, and the lifting driving member is driven to drive the front panel 14 to be lifted, so that one side of the heat exchange air outlet 117 adjacent to the front side surface 114 is exposed, and the heat exchange air outlet 117 is blown out in the horizontal direction.
Specifically, when the weather is hot, implement this embodiment and can supply air to indoor environment forward straightly, cold wind sinks, is full of whole indoor environment from this, realizes rapid cooling.
In one embodiment, as shown in fig. 6-9, the lifting driving member is driven to drive the front panel 14 to lift, and the air guiding plate 19 is rotated until the air guiding plate 19 is parallel to the direction of gravity, and is blocked at one side of the heat exchanging air outlet 117 adjacent to the front side surface 114, so that the heat exchanging air outlet 117 discharges air in the direction of gravity.
Specifically, when the weather is cold, this embodiment can send hot-blast towards ground straightly, and hot-blast striking ground back will be earlier subaerial diffusion, and upward going afterwards is full of whole indoor environment from this, realizes rapid heating up.
In an embodiment, the fresh air conditioner 1 further includes a rotary driving member (not shown) installed on the middle frame 11, the rotary driving member is connected to the air guiding plate 19, and the rotary driving member is configured to receive an external control command to control the air guiding plate 19 to rotate relative to the middle frame 11.
Compared with a mode of manually rotating the air deflector 19, the air deflector 19 can be adjusted more conveniently and more conveniently in the embodiment, and even the air deflector 19 can be controlled to rotate continuously, so that multi-angle air outlet is realized. The device for sending the external control instruction includes, but is not limited to, a remote controller, a control front panel, a mobile phone, and a tablet computer.
The embodiment of the utility model shows a fresh air conditioner 1, as shown in fig. 1-5, an inclined air outlet structure 13 is arranged on a middle frame 11 and/or a fresh air module 12, the inclined air outlet structure 13 can enable fresh air produced by the fresh air module 12 to be obliquely conveyed towards an air inlet area 200 adjacent to a heat exchange air inlet 111 on the outer side of the middle frame 11, the fresh air further enters the fresh air conditioner 1 through the heat exchange air inlet 111 for heat exchange, the fresh air is discharged after heat exchange, and the fresh air is prevented from directly contacting with a user. Therefore, even if the difference between the indoor temperature and the outdoor temperature is too large, the user can not feel directly, and the comfort and the user experience are improved.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. A fresh air conditioner is characterized by comprising:
the heat exchange air inlet is formed in the middle frame, and an air inlet area is formed in the position, adjacent to the heat exchange air inlet, of the outer side of the middle frame;
the fresh air module is arranged on the middle frame and used for exhausting fresh air towards the outside of the middle frame;
the middle frame and/or the fresh air module are/is provided with an inclined air outlet structure, so that fresh air energy produced by the fresh air module is obliquely conveyed towards the air inlet area.
2. The fresh air conditioner according to claim 1, characterized in that: the middle frame is provided with an air outlet opening adjacent to the heat exchange air inlet, the inclined air outlet structure is arranged in a fresh air installation cavity of the middle frame, and the fresh air installation cavity gradually inclines towards the air inlet area from one end far away from the air outlet opening.
3. The fresh air conditioner according to claim 1, characterized in that: the middle frame is provided with an air outlet opening adjacent to the heat exchange air inlet, the inclined air outlet structure is arranged at a fresh air outlet of the fresh air module, the fresh air outlet faces the air outlet opening, and the fresh air outlet is gradually inclined towards the air inlet area from one end far away from the air outlet opening.
4. The fresh air conditioner according to claim 1, characterized in that: the inclined air outlet structure is arranged at an air outlet opening of the middle frame, the air outlet opening is adjacent to the heat exchange air inlet, the fresh air outlet of the fresh air module faces the air outlet opening, and the air outlet opening gradually faces the air inlet area from one end close to the fresh air outlet.
5. The fresh air conditioner according to claim 4, wherein: the caliber of the air outlet opening is smaller than that of the fresh air outlet.
6. The fresh air conditioner according to any one of claims 1 to 5, wherein the middle frame further comprises a front side surface, and the fresh air conditioner further comprises:
the front panel is arranged opposite to the front side face, an air outlet area is formed between the front panel and the front side face, and an air outlet channel communicated with the air outlet area is formed between the front panel and the middle frame;
the heat exchange module is arranged on the middle frame, the heat exchange module is positioned between the heat exchange air inlet and the air outlet area, and air after heat exchange of the heat exchange module is exhausted through the air outlet duct.
7. The fresh air conditioner according to claim 6, wherein the outer contour of the front panel is smaller than the outer contour of the front side surface to form a plurality of air outlets, and the air outlet duct is formed by the plurality of air outlets.
8. The fresh air conditioner according to claim 7, characterized in that: the fresh air conditioner further comprises a telescopic driving piece, the telescopic driving piece is arranged on the middle frame and connected with the front panel, and the telescopic driving piece is used for driving the front panel to extend out or retract relative to the front side face so as to enlarge the air outlet area or enable the front panel to cover the front side face.
9. The fresh air conditioner according to claim 8, characterized in that: the middle frame further comprises a bottom side surface, a heat exchange air outlet communicated with the air outlet area is formed in the connecting position of the front side surface and the bottom side surface, the fresh air conditioner further comprises a lifting driving piece, the lifting driving piece is arranged on the middle frame and connected with the front panel, and the lifting driving piece is used for driving the front panel to rise and fall back so as to shield or expose the heat exchange air outlet.
10. The fresh air conditioner according to claim 6, further comprising:
the temperature sensor is arranged at a fresh air outlet of the fresh air module;
and the control module is electrically connected with the temperature sensor and the heat exchange module and is used for adjusting the heat exchange quantity of the heat exchange module according to the detection data of the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121674382.8U CN216409122U (en) | 2021-07-21 | 2021-07-21 | Fresh air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121674382.8U CN216409122U (en) | 2021-07-21 | 2021-07-21 | Fresh air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216409122U true CN216409122U (en) | 2022-04-29 |
Family
ID=81288628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121674382.8U Active CN216409122U (en) | 2021-07-21 | 2021-07-21 | Fresh air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216409122U (en) |
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2021
- 2021-07-21 CN CN202121674382.8U patent/CN216409122U/en active Active
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