CN210861277U - Air inlet adjusting device and range hood with same - Google Patents
Air inlet adjusting device and range hood with same Download PDFInfo
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- CN210861277U CN210861277U CN201921494032.6U CN201921494032U CN210861277U CN 210861277 U CN210861277 U CN 210861277U CN 201921494032 U CN201921494032 U CN 201921494032U CN 210861277 U CN210861277 U CN 210861277U
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Abstract
The utility model discloses an air intake adjusting device, including framework (1) and blade (21) of setting in framework (1), blade (21) length extending direction's both ends are rotated with framework (1) respectively and are connected, blade (21) are including two at least, its characterized in that set up at the interval side by side: at least one blade (21) or at least two blades (21) form a blade group (2), so that the blades (21) form at least two blade groups (2) which are arranged in parallel and can rotate independently. Also discloses a range hood with the air inlet adjusting device. Compared with the prior art, the utility model has the advantages of: the air inlet area and the negative pressure suction of the air inlet can be adjusted according to the using condition of each furnace end, so that a better oil smoke absorption effect is achieved.
Description
Technical Field
The utility model belongs to the technical field of kitchen appliances and specifically relates to air intake adjusting device and applied range hood that has this air intake adjusting device.
Background
The range hood has become one of indispensable kitchen household electrical appliances in modern families, and the range hood generally comprises a top suction type range hood and a side suction type range hood, and the top suction type range hood has more and more extensive application due to the advantages of neatness, lightness, small occupied space and the like.
At present, the kitchen top of a kitchen range of general family is mostly two furnace ends, because the situation of use of every furnace end is different, and produced oil smoke volume is also inequality, sets up the adjusting device that can adjust the air inlet direction in range hood's air intake department for this reason to can according to actual conditions free ratio effect of induced drafting, improve oil absorption cigarette effect.
For example, the chinese patent application No. 201410376750.9 discloses a grill oil screen for a range hood with an adjustable suction opening, which is arranged at any position from a smoke suction opening of the range hood or from the smoke suction opening to an air inlet of a volute of the range hood, and comprises an outer frame, wherein a plurality of rotating holes with opposite positions are arranged on the outer frame, a plurality of thin sheets are arranged in the outer frame, and rotating shafts inserted into the rotating holes on the outer frame are arranged at two ends of the thin sheets.
Because all the thin sheets of the grid oil screen rotate synchronously, when only one burner of the kitchen range works, the oil smoke quantity at the left side and the right side of the air inlet is unbalanced, the oil smoke quantity at one side close to the burner is larger, the oil smoke quantity at the other side is smaller, and when the thin sheets rotate towards one side with larger oil smoke quantity, the side with smaller oil smoke quantity can still suck a large amount of air, so that the actual oil smoke quantity is influenced, and the oil smoke suction efficiency of the range hood is low and the energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the first technical problem that will solve is not enough to above-mentioned prior art, provides one kind and can come the air inlet area of dynamic adjustment air intake department according to controlling the side oil smoke volume size to reach the air intake adjusting device of better smoking effect.
The utility model aims to solve the second technical problem that a range hood that has this air intake adjusting device is provided to use.
The utility model provides a technical scheme that above-mentioned first technical problem adopted does: air intake adjusting device, including framework and the blade of setting in the framework, the both ends of blade length extending direction rotate with the framework respectively and are connected, the blade is including two at least, its characterized in that set up side by side the interval: at least one blade or at least two blades form a blade group, so that the blades form at least two blade groups which are arranged in parallel and can rotate independently.
For the blade and the framework be connected, the mounting hole has all been seted up to relative both sides of framework, corresponding position, the both ends of blade are rotated with the mounting hole respectively and are connected.
In order to drive each blade group to independently act, each blade group is provided with at least two blades, the air inlet adjusting device further comprises a moving mechanism for driving each blade group to act, each moving mechanism comprises a driving device and a transmission device for transmitting the driving force of the driving device to each blade, the transmission device is arranged at one end, located at the same side, of each blade group, the transmission device comprises a transmission shaft connected with the end part of each blade and a first gear arranged on the transmission shaft, the transmission shaft penetrates through the frame body and can rotate relative to the frame body, the part, penetrating into the frame body, of the transmission shaft is connected with the blades, the first gear is arranged on the part, penetrating out of the frame body, of the transmission shaft, and the first gears are directly or indirectly meshed to realize transmission connection.
In order to smooth the torque transmission, the transmission device further includes a second gear disposed between the adjacent first gears and engaged with the first gears.
Preferably, in order to facilitate the driving device to output the driving force, the output end of the driving device is connected with the transmission shaft on one blade in the corresponding blade group.
In order to connect the blades conveniently, the blades are sheet-shaped, the end part of the transmission shaft, which is positioned in the frame, is recessed towards the direction far away from the blades to form a clamping groove, and the end part of each blade is inserted into the clamping groove and is fixedly connected with the clamping groove.
The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides an use this air intake adjusting device's range hood, includes the range hood body, its characterized in that: the air inlet adjusting device is arranged at an air inlet of the range hood body, the blades extend in the front-rear direction, and the blade group is arranged left and right.
In order to automatically control the action of the air inlet adjusting device, the range hood further comprises a detection device for detecting the working state of the furnace end so as to control the action of the corresponding driving device.
Preferably, the detection device is an image recognition module arranged on the range hood body.
Compared with the prior art, the utility model has the advantages of: the independently rotatable blade groups are arranged at the air inlet of the range hood in parallel, so that the air inlet area and the negative pressure suction force of the air inlet can be adjusted according to the use condition of each burner, and a better oil smoke absorption effect is achieved; the working state and the oil smoke amount of the furnace end are detected by arranging the detection device, so that the corresponding driving device is controlled to drive the blades of the blade group to act, and the air inlet area of the air inlet is dynamically adjusted.
Drawings
Fig. 1 is an opening schematic view of a part of a vane assembly of an air inlet adjusting device according to an embodiment of the present invention;
fig. 2 is an opening schematic view of all the blade sets of the air inlet adjusting device according to the embodiment of the present invention;
fig. 3 is a schematic closing diagram of all the vane sets of the air inlet adjusting device according to the embodiment of the present invention;
fig. 4 is an exploded view of an air inlet adjusting device according to an embodiment of the present invention;
FIG. 5 is an enlarged view of section I of FIG. 4;
fig. 6 is a schematic view of the range hood according to the embodiment of the present invention after opening a part of the vane sets of the air inlet adjusting device;
fig. 7 is a schematic view of the range hood according to the embodiment of the present invention after all the vane sets of the air inlet adjusting device are opened;
fig. 8 is a schematic view of the range hood according to the embodiment of the present invention after all the blade sets of the air inlet adjusting device are closed;
fig. 9 is a system schematic diagram of an air inlet adjusting device of a range hood according to an embodiment of the present invention;
fig. 10 is a working schematic diagram of the opening of the air inlet adjusting device of the range hood according to the embodiment of the present invention;
fig. 11 is a working schematic diagram of the closing of the air inlet adjusting device of the range hood according to the embodiment of the present invention;
fig. 12 is a schematic diagram of an operation of a blade of an air inlet adjusting device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Referring to fig. 6 to 8, a range hood includes a range hood body 100 and an air inlet adjusting device disposed at an air inlet 101 of the range hood body 100.
Referring to fig. 1 to 5, the air inlet adjusting device includes a frame 1 and a blade 21 disposed in the frame 1, the blade 21 is sheet-shaped, and two ends of the blade 21 in a length extending direction are respectively rotatably connected to the frame 1. The blades 21 include at least two blades 21 arranged in parallel at intervals, at least one blade 21 or at least two adjacent blades 21 form one blade group 2, so that the blades 21 form at least two blade groups 2 which are arranged in parallel at intervals and can rotate independently. The blade group 2 in this embodiment is two groups, and each blade group 2 has 5 blades 21. The two blade groups 2 are arranged in parallel from left to right at the air inlet 101 on the range hood body 100, each blade group 2 corresponds to a burner below the range hood, and each blade 21 extends in the front-back direction of the air inlet (the length extending direction is the front-back direction).
The air inlet adjusting device also comprises moving mechanisms for driving each blade group 2 to act, and each moving mechanism comprises a driving device 4 and a transmission device 3 for transmitting the driving force of the driving device 4 to each blade 21.
Referring to fig. 4 and 5, one end of each blade 21 of each blade group 2 on the same side is provided with the above-mentioned transmission device 3. The transmission device 3 includes a transmission shaft 33 connected to an end of each blade 21, and a first gear 31 provided on the transmission shaft 33. The two opposite sides (the front side and the rear side when being applied to the range hood) on the frame body 1 and the corresponding positions are provided with mounting holes 11, the transmission shaft 33 penetrates through the mounting holes 11 of the frame body 1 and can rotate relative to the frame body 1, the part of the transmission shaft 33 penetrating into the frame body 1 is connected with one end of the blade 21, the first gear 31 is arranged on the part of the transmission shaft 33 penetrating out of the frame body 1, and the first gears 31 are directly or indirectly meshed to realize transmission connection. The other end of the blade 21 can be rotatably connected with the mounting hole 11 through the rotating shaft 12, so that both ends of the blade 21 are rotatably connected with the frame body 1. The end of the transmission shaft 33 located in the frame 1 is recessed in a direction away from the blade 21 to form a holding groove 331, and the end of the blade 21 is inserted into the holding groove 331 and fixed. The periphery of the transmission shaft 33 located outside the frame 1 is provided with a latch 332, and a slot 311 is arranged at the position of the first gear 31 corresponding to the latch 332, so that the first gear 31 and the transmission shaft 33 synchronously rotate. In order to avoid the risk that the air inlet 101 of the range hood body 100 is opened and oil smoke flows backward when the blades 21 of the air inlet adjusting device are closed, the distance between the rotating shafts of adjacent blades 21 is not greater than the width (the dimension in the left-right direction shown in fig. 1) of the blades 21.
The driving device 4 in this embodiment is a driving motor, and the output end of the driving motor is connected to the transmission shaft 33 on one of the blades 21 in the corresponding blade group 2. In the present embodiment, the transmission 3 further includes a second gear 32 disposed between the adjacent first gears 31 and engaged with the first gears 31.
Referring to fig. 6 to 9, the range hood may further include a detection device 200 for detecting an operating state of a furnace head therebelow, thereby controlling the corresponding driving device 4 to operate, a wireless signal receiving module 300, a main control module 400, and a tilt sensor (not shown) capable of detecting a rotation angle of the blades 21 of each group of blade sets 2.
The detection device 200 may be an image recognition module disposed on the range hood body 100, the image recognition module has two image recognition modules, the two image recognition modules correspond to the left and right oven heads below the range hood, and whether the oven heads work or not can be determined by shooting images of the corresponding oven heads; the wireless signal receiving module 300 can receive information such as startup, shutdown and gear sent by the range hood and send the information to the main control module 400; the main control module 400 can control the working state of the air inlet adjusting device and the opening and closing of the fan system 500 of the range hood according to the working state of the burner detected by the detecting device 200.
The blade sets 2 arranged in the left and right directions of the air inlet 101 on the range hood body 100 respectively correspond to the left and right burner of the cooking bench.
Referring to fig. 10, the opening process of the air inlet adjusting device includes the following steps:
1) the user clicks the start button of the range hood, and the wireless signal receiving module 300 transmits a start signal to the main control module 400;
2) after the main control module 400 receives the start-up signal, the image recognition module located on the range hood body 100 works to detect the use state of the cookware on the burner and transmit a relevant signal to the main control module 400;
3) judging the use state of the furnace end:
3.1) when only one burner is operated (taking the burner positioned on the left as an example), the main control module 400 drives the blades 21 of the blade group 2 positioned on the left to open and rotate through the driving device 4 according to the working state of the burner positioned on the left detected by the image recognition module, the angle value of the tilt angle sensor is greater than zero, the blade group 2 positioned on the right does not work and is in a closed state, the angle value of the tilt angle sensor is equal to zero, and the fan system 500 of the range hood starts to operate;
3.2) when the two burners work simultaneously, the main control module 400 drives the blades 21 of the two blade groups 2 to open and rotate through the driving device 4 according to the working conditions of the two burners detected by the image recognition module, the angle values of the inclination angle sensors of the blades 21 of the two blade groups 2 are both greater than zero, and the fan system 500 of the range hood starts to work;
3.3) when the work of the burner is not detected, the driving device 4 does not work.
Referring to fig. 11, the closing process of the inlet adjusting device includes the following steps:
1) the user clicks a shutdown button of the range hood, and the wireless signal receiving module 300 transmits a shutdown signal to the main control module 400;
2) after receiving the shutdown signal, the main control module 400 controls the fan system 500 of the range hood to be closed;
3) the driving device 4 of the air inlet adjusting device drives the blades 21 of the blade group 2 in work to rotate;
4) judging whether the angle value of the tilt angle sensor is 0, if so, entering the step 5), and if not, returning to the step 3);
5) at this time, the vane 21 is horizontal, and the driving device 4 stops operating.
Referring to fig. 12, the dynamic adjustment of the air intake direction and the air intake area is realized by adjusting the rotation angle of the blades 21 of the blade group 2, and the working process includes the following steps:
1) after the range hood works;
2) judging whether the size of the oil smoke changes or not by arranging an oil smoke concentration sensor, if so, entering the step 3), and if not, entering the step 4);
3) updating the set inclination angle of the blades 21, wherein the blades 21 have an initial inclination angle, and the inclination angles of the blades 21 have a corresponding range under each oil smoke concentration preset;
4) acquiring the inclination angle of the blade 21;
5) judging whether the absolute value of the actual angle value-set angle value detected by the tilt angle sensor is less than or equal to a preset deviation threshold value, if so, entering step 6), and if not, entering step 7);
6) stopping the operation of the driving device 4 and returning to the step 2);
7) judging and judging whether the actual angle value-set angle value detected by the tilt angle sensor is larger than a preset deviation threshold value, if so, entering step 8), and if not, entering step 9);
8) the driving device is reversed and returns to the step 2);
9) the driving device rotates forwards and returns to the step 2).
When the two burners are used in different states, for example, one is used for cooking soup and the other is used for quick-frying, the adjusting angle of the blade 21 of the corresponding blade group 2 can be adjusted correspondingly, the oil smoke generated during cooking soup is less, the inclination angle of the blade 21 of the blade group 2 corresponding to cooking soup can be reduced, the oil smoke generated during quick-frying is more, and the inclination angle of the blade 21 of the blade group 2 corresponding to quick-frying can be increased properly.
The detecting device 200 may be an image recognition module disposed on the range hood body 100, a pressure sensor disposed on a burner, or an oil smoke sensor.
Claims (9)
1. The utility model provides an air intake adjusting device, includes framework (1) and sets up blade (21) in framework (1), blade (21) length extending direction's both ends are rotated with framework (1) respectively and are connected, blade (21) are including two at least, its characterized in that set up by the interval side by side: at least one blade (21) or at least two blades (21) form a blade group (2), so that the blades (21) form at least two blade groups (2) which are arranged in parallel and can rotate independently.
2. The intake air conditioning apparatus of claim 1, wherein: mounting holes (11) are formed in two opposite sides and corresponding positions of the frame body (1), and two ends of each blade (21) are rotatably connected with the mounting holes (11) respectively.
3. The intake air conditioning apparatus of claim 1, wherein: each blade group (2) is provided with at least two blades (21), the air inlet adjusting device further comprises a moving mechanism for driving each blade group (2) to act, each moving mechanism comprises a driving device (4) and a transmission device (3) for transmitting the driving force of the driving device (4) to each blade (21), one end, located on the same side, of each blade (21) of each blade group (2) is provided with the transmission device (3), the transmission device (3) comprises a transmission shaft (33) connected with the end part of each blade (21) and a first gear (31) arranged on the transmission shaft (33), the transmission shaft (33) penetrates through the frame body (1) and can rotate relative to the frame body (1), the part, penetrating into the frame body (1), of the transmission shaft (33) is connected with the blades (21), the first gear (31) is arranged on the part, penetrating out of the frame body (1), of the transmission shaft (33), the first gears (31) are directly or indirectly meshed to realize transmission connection.
4. The intake air conditioning apparatus of claim 3, wherein: the transmission device (3) further comprises a second gear (32) which is arranged between the adjacent first gears (31) and is meshed with the first gears (31).
5. The intake air conditioning apparatus of claim 3, wherein: the output end of the driving device (4) is connected with a transmission shaft (33) on one blade (21) in the corresponding blade group (2).
6. The intake air conditioning apparatus of claim 3, wherein: the blade (21) is sheet-shaped, the end part of the transmission shaft (33) in the frame body (1) is recessed towards the direction far away from the blade (21) to form a clamping groove (331), and the end part of the blade (21) is inserted into the clamping groove (331) and is connected and fixed.
7. A range hood applying the air inlet adjusting device as claimed in any one of claims 3 to 6, comprising a range hood body (100), and characterized in that: the air inlet adjusting device is arranged at an air inlet (101) of the range hood body (100), the blades (21) extend in the front-rear direction, and the blade group (2) is arranged left and right.
8. The range hood of claim 7, wherein: the device also comprises a detection device (200) for detecting the working state of the furnace end so as to control the corresponding driving device (4) to act.
9. The range hood of claim 8, wherein: the detection device (200) is an image recognition module arranged on the range hood body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494032.6U CN210861277U (en) | 2019-09-09 | 2019-09-09 | Air inlet adjusting device and range hood with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494032.6U CN210861277U (en) | 2019-09-09 | 2019-09-09 | Air inlet adjusting device and range hood with same |
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| Publication Number | Publication Date |
|---|---|
| CN210861277U true CN210861277U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921494032.6U Active CN210861277U (en) | 2019-09-09 | 2019-09-09 | Air inlet adjusting device and range hood with same |
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| CN (1) | CN210861277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639282A (en) * | 2021-04-02 | 2021-11-12 | 宁波方太厨具有限公司 | Air inlet assembly and range hood with same |
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2019
- 2019-09-09 CN CN201921494032.6U patent/CN210861277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639282A (en) * | 2021-04-02 | 2021-11-12 | 宁波方太厨具有限公司 | Air inlet assembly and range hood with same |
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