CN219414912U - Air-out device and smoke exhaust ventilator provided with same - Google Patents
Air-out device and smoke exhaust ventilator provided with same Download PDFInfo
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- CN219414912U CN219414912U CN202223364065.3U CN202223364065U CN219414912U CN 219414912 U CN219414912 U CN 219414912U CN 202223364065 U CN202223364065 U CN 202223364065U CN 219414912 U CN219414912 U CN 219414912U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
An air-out device and install this air-out device's range hood, air-out device includes air-out frame and air guide blade, install the wobbling driving piece of drive air guide blade on the air-out frame, form the air-out passageway between air guide blade's first aviation baffle and the second aviation baffle, under the closed condition, the air guide blade overturns backward to the air-out frame inside, first aviation baffle covers the export of air-out frame, under the open condition, the air guide blade overturns forward to the front side of air-out frame, the air-out passageway is linked together with the air-out frame export. The air outlet device is closed and opened by rotating the air guide blades, the air guide blades are turned forwards to the front side of the air outlet frame in an opened state, and when the range hood works, cold air blown out by the air outlet device can not only reduce the interference of the cold air to the lower lampblack air flow, but also blow to a cooking person by controlling parameters such as the air outlet angle, the extending section of the air guide blades and the like. The swinging angle of the air guide blade is matched with the opening judgment of the kitchen range, so that the effect that cold air does not interfere with lampblack is achieved.
Description
Technical Field
The utility model relates to a range hood, in particular to an air outlet device and the range hood provided with the air outlet device.
Background
The current integral kitchen air conditioner lampblack absorber generally sets up the air outlet on the cupboard cabinet door upper edge, makes the air outlet imbed in the cupboard, and the wholeness is better, but the air outlet mounted position is higher, and because the angle reason, when the cooking person stands in range hood front side, the cold wind can't blow or blow the overhead, influences user's travelling comfort, and cold wind effect is relatively poor. The air outlet structure has the defect of long air outlet distance, so that the air outlet temperature perceived by a user is higher, and the air outlet structure has no cool feeling. In addition, the existing air outlet is required to be independently installed on the upper edge of the cabinet, cannot be installed together with the whole machine, is poor in integrity and is inconvenient to install. In addition, the air outlet of the existing air-conditioning type range hood cannot be linked with a kitchen range, namely, the air outlet cannot be correspondingly controlled by combining with the opening judgment of the kitchen range, the intelligent degree is low, and the range hood needs to be further improved.
Disclosure of Invention
The first technical problem to be solved by the present utility model is to provide an air outlet device which is closed and opened by a rotating structure and the air outlet does not influence the air flow below the air outlet frame.
The second technical problem to be solved by the utility model is to provide the range hood with less interference to lampblack and better cooking experience by wind blown by the wind outlet device aiming at the current state of the art.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: the air outlet device comprises an air outlet frame and air guide blades arranged on the air outlet frame, wherein driving pieces for driving the air guide blades to swing are arranged on the air outlet frame, and the air outlet frame is provided with an inlet and an outlet and is characterized in that: the wind guide blade comprises a first wind guide plate and a second wind guide plate, an air outlet channel is formed between the first wind guide plate and the second wind guide plate, the wind guide blade is turned backwards to the inside of the air outlet frame in the closed state of the wind guide blade, the first wind guide plate covers the outlet of the air outlet frame, the wind guide blade is turned forwards to the front side of the air outlet frame in the open state of the wind guide blade, and the air outlet channel is communicated with the outlet of the air outlet frame.
In order to evenly discharge air in the length direction of the air guide plates, a partition plate is arranged between the first air guide plates and the second air guide plates, the partition plates are arranged at intervals along the length direction of the first air guide plates and the length direction of the second air guide plates, and an air discharge channel is formed between every two adjacent partition plates.
In order to make the air-out more even, the baffle is vertical baffle and interval evenly distributed.
Further preferably, in the open state of the wind guiding blades, the first wind guiding plate is arranged below the second wind guiding plate, the first wind guiding plate and the second wind guiding plate extend forwards at the front edge of the wind outlet frame, and the extending length of the first wind guiding plate is larger than that of the second wind guiding plate. In this way, the disturbance of the air blown by the air outlet device to the air flow below can be reduced.
Further preferably, the outlet height d of the air outlet frame is more than or equal to 30mm and less than or equal to 80mm, and the extension length b of the first air deflector is more than or equal to 30mm and less than or equal to 60mm. The optimal value is d=60 mm, b=40 mm.
In order to enable wind energy blown out by the air outlet device to effectively downwards guide the wind, the first air guide plate is horizontally arranged in an overall state that the air guide plate is opened, the front edge of the first air guide plate is inclined downwards in an inclined mode along the air outlet direction, and the second air guide plate is inclined downwards in an inclined mode along the air outlet direction.
Further preferably, the inclination angle α of the front edge of the first wind deflector with respect to the horizontal plane satisfies 10 ° or more and 30 ° or less. Like this, wind-guiding blade has the effect of downwards wind-guiding, avoids unable blowing to the human body, causes experience inadequately, and the optimum is alpha = 10.
Further preferably, the inclination angle beta of the second air deflector relative to the horizontal plane satisfies 5 DEG.ltoreq.beta.ltoreq.30°. The optimum value is β=15°, and the air blown out by the air outlet device can be blown down by using the inclination angle.
Further preferably, the vertical distance between the front edge of the second air deflector and the first air deflector is a, and the outlet height of the air outlet frame is d, so that the height of a is more than or equal to 1/3d and less than or equal to 3/4d.
Further preferably, a=1/2 d. If the value of a is too large, the air guiding effect is insufficient, and if the value of a is too small, the air guiding effect cannot be achieved by direct blowing of the effective air quantity above the air guiding blades. The value a also affects the air outlet area, and the smaller the area is, the higher the wind speed is.
In order to enable the air guide blades to smoothly discharge air in a closed state, air discharge holes are formed in the first air guide plate and the second air guide plate.
Further preferably, the air outlet holes are fully distributed with the first air guide plate and the second air guide plate, and the aperture of the air outlet holes in the first air guide plate is more than or equal to 3mm and less than or equal to 6mm. The aperture c of the air outlet hole influences the air outlet effect, the aperture is too small to influence the cooling effect, the air feeling is generated when the aperture is too large, and the optimal value is 5mm.
In order to ensure that wind energy blown out of the air outlet hole blows downwards, the air outlet hole is obliquely downwards arranged in the closed state of the air guide blade, and the included angle theta relative to the horizontal plane is more than or equal to 5 degrees and less than or equal to 20 degrees. And most preferably 11.
Preferably, in any of the above aspects, the driving member is a stepping motor, the stepping motor is disposed at an outer side of the wind guiding blade, a side plate is disposed at the outer side of the wind guiding blade, and an output shaft of the stepping motor is mounted on the side plate of the wind guiding blade.
The utility model solves the second technical problem by adopting the technical proposal that: the range hood comprises a shell, wherein a fan system and a refrigerating module are arranged in the shell, and the refrigerating module is provided with an air inlet and a cold air outlet and is characterized in that: the front side part of the shell is provided with the air outlet device, and the cold air outlet is communicated with an air outlet frame inlet of the air outlet device through an air duct. Therefore, the air outlet device can blow out cold air, and the air blown out by the air outlet device can not only blow to a cooking person, but also avoid affecting the oil smoke absorbing effect.
Further preferably, the casing comprises an upper box body and a lower cavity, the air outlet device is arranged at the bottom of the upper box body and is positioned above the lower cavity, and the front edge of an air outlet frame of the air outlet device is flush with the front side surface of the lower cavity. Therefore, after the extending section is arranged on the air guide blade, the overflow of the oil smoke can be effectively improved, so that the air flow is more stable when the oil smoke is sucked by the range hood, and the interference of cold air on the oil smoke air flow below is reduced.
Further preferably, a compressor, a condenser and an evaporator are installed in the upper box body, the compressor, the condenser and the evaporator are communicated through a refrigerant pipeline, and the refrigeration module comprises an air outlet fan and the evaporator.
In order to utilize the oil smoke air current to dispel the heat to the condenser, the inside fan frame that is equipped with of upper box, install in the fan frame fan system, the condenser is located inside the fan frame and be located fan system's the smoke channel.
As another scheme, the inside fan frame that is equipped with of last box, install in the fan frame fan system, fan frame externally mounted has the heat dissipation chamber, the condenser is located the heat dissipation intracavity, opens the vent that is linked together with the heat dissipation chamber on the lateral wall of fan frame.
Compared with the prior art, the utility model has the advantages that: the air outlet device can be closed and opened through the rotation of the air guide blade, the air guide blade is turned forwards to the front side of the air outlet frame in the opened state, when the range hood provided with the air outlet device works, cold air blown out by the air outlet device can effectively improve the overflow of oil smoke through the control of parameters such as the air outlet angle, the extending section of the air guide blade and the like, so that the air flow of the range hood is more stable when the oil smoke is exhausted, the interference of the cold air on the lower oil smoke air flow is reduced, and the range hood can blow to a cooking person. The swinging angle of the air guide blade is matched with the opening judgment of the kitchen range, so that the effect that cold air does not interfere with lampblack is achieved, the comfort requirement of a user is met, and the normal use of the range hood is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an air outlet device (an air outlet opening state) according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of an air outlet device (air outlet closed state) according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a structure of a fan blade of an air outlet device according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of the structure of the air outlet device shown in FIG. 1;
FIG. 5 is a cross-sectional view of the structure of the air outlet device shown in FIG. 2;
fig. 6 is a schematic structural view of a range hood according to an embodiment of the present utility model;
fig. 7 is a schematic view of an internal structure of the range hood shown in fig. 7;
fig. 8 is a schematic view of an installation structure of a range hood according to an embodiment of the present utility model;
fig. 9 is a logic control diagram of a control method of a range hood according to an embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, the air outlet device of the present embodiment includes an air outlet frame 1 and air guiding blades 2 mounted on the air outlet frame 1, where the air outlet frame 1 and the air guiding blades 2 are both in a long strip shape. The direction indicated by an arrow A is taken as the forward direction, the air outlet frame 1 is provided with an inlet 11 and an outlet 12, the inlet 11 is arranged at the top of the rear side of the air outlet frame 1, the outlet 12 is arranged on the front face of the front side of the air outlet frame 1, and the air guide blades 2 are arranged on the front side part of the air outlet frame 1.
As shown in fig. 3, the wind guiding blade 2 of the present embodiment includes a first wind guiding plate 21 and a second wind guiding plate 22, a vertically arranged partition plate 23 is disposed between the first wind guiding plate 21 and the second wind guiding plate 22, the partition plates 23 are uniformly distributed along the length direction of the first wind guiding plate 21 and the second wind guiding plate 22 at intervals, and an air outlet channel 24 is formed between adjacent partition plates 23. The first air deflector 21 and the second air deflector 22 are uniformly distributed with air outlet holes 25, and the aperture of the air outlet holes 25 is more than or equal to 3mm and less than or equal to 6mm. The left side and the right side of the wind guiding blade 2 are respectively provided with a side plate 26, and the side plates 26 are parallel to the partition plate 23.
The left side of the air outlet frame 1 is provided with a stepping motor 3, an output shaft of the stepping motor 3 is arranged on a side plate 26 of the air guide blade 2, and the stepping motor 3 is used as a driving piece to drive the air guide blade 2 to swing relative to the air outlet frame 1, so that the air guide blade 2 is in an open state or a closed state.
As shown in fig. 1 and 5, in the closed state of the air guiding blade 2, the air guiding blade 2 is turned back to the inside of the air outlet frame 1, and the first air guiding plate 21 covers the outlet 12 of the air outlet frame 1, and the air outlet holes 25 are arranged obliquely downward, and the included angle θ with respect to the horizontal plane satisfies 5 ° or more θ or less 20 °, and is most preferably 11 °. Thereby ensuring that wind energy blown out from the wind outlet holes 25 is blown downward.
As shown in fig. 2 and 4, in the opened state of the air guiding blade 2, the air guiding blade 2 is turned forward to the front side of the air outlet frame 1, the air outlet channel 24 is communicated with the outlet 12 of the air outlet frame 1, the first air guiding plate 21 is arranged below the second air guiding plate 22, at this time, the first air guiding plate 21 is a lower air guiding plate, and the second air guiding plate 22 is an upper air guiding plate.
As shown in fig. 4, in the opened state of the wind guiding blade 2, the first wind guiding plate 21 and the second wind guiding plate 22 are protruded forward from the front edge of the wind outlet frame 1, and the protruded length b of the first wind guiding plate 21 is larger than the protruded length b of the second wind guiding plate 22. In the embodiment, the height d of the outlet 12 of the air outlet frame 1 is 30mm less than or equal to d less than or equal to 80mm, the optimal value is d=60 mm, and the air quantity is combined, so that the air speed of the outlet is uniform by about 3m/s. The extension length of the first air deflector 21 is 30mm less than or equal to b less than or equal to 60mm, and b=40 mm. In addition, the vertical distance between the front edge of the second air deflector 22 and the first air deflector 21 is a, so that the requirement that a is more than or equal to 1/3d and less than or equal to 3/4d is met, the air guiding effect is insufficient if the value of a is too large, and the air guiding effect cannot be achieved if the value of a is too small. Optimally a=1/2 d
In the opened state of the wind guide blades 2, the first wind guide plates 21 are horizontally arranged as a whole, the front edges of the first wind guide plates 21 incline downwards in an inclined direction along the wind outlet direction, and the second wind guide plates 22 incline downwards in an inclined direction along the wind outlet direction. The inclination angle α of the front edge of the first air deflector 21 with respect to the horizontal plane satisfies 10 ° or more α or less than 30 °, and the optimum value is α=10°. The inclination angle beta of the second air deflector 22 relative to the horizontal plane satisfies 5 DEG beta < 30 DEG, and the optimal value is beta=15 deg.
As shown in fig. 6 to 8, the casing 4 of the range hood of the present embodiment includes an upper casing 41 and a lower cavity 42, a fan frame 7 is provided in the upper casing 41, and a fan system (not shown) is installed in the fan frame 7. The air outlet device is arranged at the bottom of the upper box 41 and is positioned above the lower cavity 42, and the front edge of the air outlet frame 1 of the air outlet device is flush with the front side surface of the lower cavity 42. As shown in fig. 8, when the wind guiding vane 2 is opened, it protrudes forward from the front side of the lower cavity 42.
The range hood of this embodiment is refrigeration type range hood, and casing 4 is integrated with air conditioning unit, and air conditioning unit is including compressor, condenser and evaporimeter, and compressor, condenser and evaporimeter are linked together through the refrigerant pipeline. As shown in fig. 7, a refrigeration module 5 is integrated on the casing 4, the refrigeration module 5 includes an air outlet fan 51 and an evaporator, the refrigeration module 5 has an air inlet and a cold air outlet, the cold air outlet is communicated with an inlet 11 of an air outlet frame 1 of the air outlet device through an air duct 6, that is, cold air blown out by the refrigeration module 5 flows through the air duct 6 and then is blown out through an air outlet of the air outlet device.
As shown in fig. 4, the structural form of the wind guiding vane 2 is dimensioned to have a decisive influence on the soot. The extending length of the air guide blade 2 is b, the extending length b mainly influences the air flow below the range hood, the extending length b extends out of the distance of the front side face of the range hood, the distance can effectively improve the overflow of the oil smoke, the air flow is more stable when the range hood sucks the oil smoke, and the interference of cold air to the air flow of the oil smoke below is reduced. The first aviation baffle 21 front end of wind-guiding blade 2 has decurrent extension, is alpha with the horizontal plane contained angle, has decurrent wind-guiding effect, avoids cold wind unable to blow to the human body, causes the experience not good. And the first air deflector 21 is horizontally distributed as a whole, and if the first air deflector rotates downwards, the air discharged by the refrigeration module 5 disturbs the smoking effect. In order to ensure that cold air can be blown to people in the horizontal direction, the second air deflector 8 is arranged to be inclined at an angle beta, so that the cold air can be blown downwards, the smoking effect is not affected while the experience effect is met, and the aim is to enable the position 30cm in front of the range hood at a height of about 150cm to have wind sense, so that the beta is optimally 15 degrees. The aperture c of the air outlet hole 25 influences the air outlet effect, the aperture is too small to influence the cooling effect, and the aperture is too large to have wind sense, so that the aperture range is 3mm less than or equal to c less than or equal to 6mm, and the optimal range is 5mm.
The compressor is mounted outside the fan frame 7. The condenser can be arranged in the fan frame 7 and positioned in a smoke exhaust channel of the fan system, and the condenser is continuously radiated by the lampblack. The cooling cavity can also be arranged outside the fan frame 7, the condenser is arranged in the cooling cavity, and the side wall of the fan frame 7 is provided with a vent communicated with the cooling cavity, so that cooling air of the condenser enters the fan system through the vent and is discharged outwards along with the oil smoke.
As shown in fig. 9, the control method of the range hood of the present embodiment includes the following steps:
s1, a user starts a refrigeration function;
s2, the stepping motor 3 rotates 90 degrees clockwise, the direct blowing mode is started,
if the user turns off the refrigeration function, the stepping motor 3 rotates 90 degrees anticlockwise, and the wind guiding blades 2 are turned off;
if the user sets the no-wind-sensation mode, the stepping motor 3 rotates 90 degrees anticlockwise, and the no-wind-sensation mode is started;
if the user sets up the wind guiding blades 2 to swing up and down, the step S3 is carried out;
s3, linking with the kitchen range, judging whether to start the kitchen range,
if a user starts the kitchen range, the wind guide blade 2 swings within the range of 70-90 degrees by taking the closing state of the wind guide blade 2 as a reference;
if the user does not start the kitchen range, the wind guide blade 2 swings in the range of 70-100 degrees.
Claims (18)
1. The utility model provides an air-out device, includes air-out frame (1) and installs wind guide blade (2) on air-out frame (1) install the wobbling driving piece of drive wind guide blade (2) on air-out frame (1), air-out frame (1) have import (11) and export (12), its characterized in that: wind deflector (2) are including first aviation baffle (21), second aviation baffle (22), form air-out passageway (24) between first aviation baffle (21) and second aviation baffle (22), under wind deflector (2) off-state, wind deflector (2) are inside upset to air-out frame (1) backward, and first aviation baffle (21) cover export (12) of air-out frame (1), under wind deflector (2) open state, wind deflector (2) are preceding to overturn to the front side of air-out frame (1), air-out passageway (24) are linked together with export (12) of air-out frame (1).
2. The air outlet device according to claim 1, wherein: a partition plate (23) is arranged between the first air deflector (21) and the second air deflector (22), the partition plates (23) are arranged at intervals along the length direction of the first air deflector (21) and the second air deflector (22), and an air outlet channel (24) is formed between every two adjacent partition plates (23).
3. The air outlet device according to claim 2, wherein: the partition plates (23) are vertical partition plates and are uniformly distributed at intervals.
4. The air outlet device according to claim 1, wherein: under the open state of the wind guide vanes (2), the first wind guide plate (21) is arranged below the second wind guide plate (22), the first wind guide plate (21) and the second wind guide plate (22) extend forwards at the front edge of the wind outlet frame (1), and the extending length of the first wind guide plate (21) is larger than that of the second wind guide plate (22).
5. The air outlet device according to claim 4, wherein: the height d of the outlet (12) of the air outlet frame (1) is more than or equal to 30mm and less than or equal to 80mm, and the extension length b of the first air deflector (21) is more than or equal to 30mm and less than or equal to 60mm.
6. The air outlet device according to claim 1, wherein: in the open state of the air guide vanes (2), the first air guide plates (21) are horizontally arranged as a whole, the front edges of the first air guide plates (21) incline downwards in an inclined mode along the air outlet direction, and the second air guide plates (22) incline downwards in an inclined mode along the air outlet direction.
7. The air outlet device according to claim 6, wherein: the inclination angle alpha of the front edge of the first air deflector (21) relative to the horizontal plane is more than or equal to 10 degrees and less than or equal to 30 degrees.
8. The air outlet device according to claim 6, wherein: the inclination angle beta of the second air deflector (22) relative to the horizontal plane is more than or equal to 5 degrees and less than or equal to 30 degrees.
9. The air outlet device according to claim 1, wherein: the vertical distance between the front edge of the second air deflector (22) and the first air deflector (21) is a, and the height of the outlet (12) of the air outlet frame (1) is d, so that the height a is more than or equal to 1/3d and less than or equal to 3/4d.
10. The air outlet device according to claim 1, wherein: air outlet holes (25) are formed in the first air deflector (21) and the second air deflector (22).
11. The air outlet device according to claim 10, wherein: the air outlet holes (25) are fully distributed with the first air guide plate (21) and the second air guide plate (22), and the aperture of the air outlet holes (25) on the first air guide plate (21) is more than or equal to 3mm and less than or equal to 6mm.
12. The air outlet device according to claim 10, wherein: in the closed state of the wind guide blade (2), the air outlet hole (25) is obliquely downwards arranged, and the included angle theta relative to the horizontal plane is more than or equal to 5 degrees and less than or equal to 20 degrees.
13. An air outlet device according to any one of claims 1 to 12, wherein: the driving piece is a stepping motor (3), the stepping motor (3) is arranged at the outer side part of the air guide blade (2), a side plate (26) is arranged at the outer side part of the air guide blade (2), and an output shaft of the stepping motor (3) is arranged on the side plate (26) of the air guide blade (2).
14. The utility model provides a range hood, includes casing (4), casing (4) internally mounted has fan system and refrigeration module (5), refrigeration module (5) have air inlet and cold wind export, its characterized in that: the air outlet device of claim 13 is arranged on the front side part of the casing (4), and the cold air outlet is communicated with the inlet (11) of the air outlet frame (1) of the air outlet device through an air duct (6).
15. The range hood of claim 14, wherein: the casing (4) comprises an upper box body (41) and a lower cavity (42), the air outlet device is arranged at the bottom of the upper box body (41) and is located above the lower cavity (42), and the front edge of an air outlet frame (1) of the air outlet device is flush with the front side face of the lower cavity (42).
16. The range hood of claim 15, wherein: the upper box body (41) is internally provided with a compressor, a condenser and an evaporator, the compressor, the condenser and the evaporator are communicated through a refrigerant pipeline, and the refrigerating module (5) comprises an air outlet fan (51) and the evaporator.
17. The range hood of claim 16, wherein: the fan system is characterized in that a fan frame (7) is arranged in the upper box body (41), the fan system is arranged in the fan frame (7), and the condenser is arranged in the fan frame (7) and is positioned in a smoke exhaust channel of the fan system.
18. The range hood of claim 16, wherein: the fan system is characterized in that a fan frame (7) is arranged inside the upper box body (41), the fan system is arranged in the fan frame (7), a heat dissipation cavity is arranged outside the fan frame (7), the condenser is arranged in the heat dissipation cavity, and a ventilation opening communicated with the heat dissipation cavity is formed in the side wall of the fan frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223364065.3U CN219414912U (en) | 2022-12-14 | 2022-12-14 | Air-out device and smoke exhaust ventilator provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223364065.3U CN219414912U (en) | 2022-12-14 | 2022-12-14 | Air-out device and smoke exhaust ventilator provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219414912U true CN219414912U (en) | 2023-07-25 |
Family
ID=87234846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223364065.3U Active CN219414912U (en) | 2022-12-14 | 2022-12-14 | Air-out device and smoke exhaust ventilator provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219414912U (en) |
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2022
- 2022-12-14 CN CN202223364065.3U patent/CN219414912U/en active Active
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