CN210624629U - Range hood with air inlet auxiliary device - Google Patents
Range hood with air inlet auxiliary device Download PDFInfo
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- CN210624629U CN210624629U CN201920704182.9U CN201920704182U CN210624629U CN 210624629 U CN210624629 U CN 210624629U CN 201920704182 U CN201920704182 U CN 201920704182U CN 210624629 U CN210624629 U CN 210624629U
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- Prior art keywords
- air
- air inlet
- range hood
- box body
- wall
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- 239000000779 smoke Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 2
- 239000003517 fume Substances 0.000 abstract description 4
- 230000000391 smoking effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 15
- 239000006096 absorbing agent Substances 0.000 description 9
- 239000006233 lamp black Substances 0.000 description 9
- 238000005286 illumination Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The range hood with the auxiliary air inlet device is characterized in that the auxiliary air inlet device is arranged below an air inlet of a range hood box body and is provided with an inner hole through which oil smoke flows; the inner cavity is arranged in the annular body, and the inner cavity is provided with an air jet on the inner wall of the body, and the air jet is annular; an internal flow passage is arranged on the connecting plate, one end of the internal flow passage is connected with an air inlet of the inner chamber, the other end of the internal flow passage is connected with an air inlet hole formed in the surface of the connecting plate, and a fan is arranged on the internal flow passage; the longitudinal section of the inner wall of the body presents an inward-inclined section gradually furled from bottom to top towards the center of the inner hole and an outward-inclined section gradually expanded outwards, the air nozzle is positioned at the bottom of the outward-inclined section of the inner wall of the body, and the direction of the air nozzle is close to the outward-inclined section of the inner wall of the body. The oil fume flows into the volute through the oil net and flows out from the air outlet of the box body after rotating through the impeller and changing the motion direction. The utility model discloses when using, it is poor to have solved the smoking effect that row's range hood exists, the problem of oil smoke escape.
Description
Technical Field
The utility model relates to a take lampblack absorber of auxiliary device that admits air.
Background
The range hood is a common household appliance and plays an important role in life of people, and the smoking effect of the range hood is one of important parameters for measuring the performance of the range hood.
The existing upward-discharging range hood has the defects that the suction force between a cooking bench and an inlet of the range hood is insufficient and oil smoke escapes due to the influence of the hanging height of a fan. When the pressure of the common flue is increased, the escape phenomenon is more frequent, and the problem of unsmooth smoke discharge caused by backward flowing of the oil smoke is serious.
In order to solve the technical problem, the utility model relates to a take auxiliary device's lampblack absorber admits air promotes lampblack absorber entry suction, realizes that the oil smoke effectively arranges the function to the greatest extent fast.
Disclosure of Invention
In order to overcome the shortcoming such as traditional upward range hood smoking effect is poor, import suction is not enough, the utility model provides a take auxiliary device's that admits air lampblack absorber.
The utility model relates to a range hood with an air inlet auxiliary device, which comprises a box body 13 arranged on a main channel of oil smoke gas, wherein an internal air channel of the box body 13 is arranged between a box body air inlet 131 arranged below the box body 13 and a box body air outlet 132 arranged above the box body, the box body air inlet 131 is provided with an oil screen 16, and the internal air channel is provided with a first fan; the method is characterized in that:
an air inlet auxiliary device is arranged below the air inlet 131 of the box body, and an annular body 1 of the air inlet auxiliary device is provided with an inner hole through which the flue gas flows; the annular body 1 is connected with the box body 13 through the connecting plate 2;
an annular inner chamber 6 is arranged in the annular body 1 of the air intake auxiliary device, the inner chamber 6 is provided with an air nozzle 62 on the inner wall 11 of the annular body 1 of the air suction auxiliary device, the air nozzle 62 is also annular, and the inner chamber 6 is provided with an air inlet 61 on the outer wall 12 of the body 1;
an internal flow passage 7 is arranged on the connecting plate 2, one end of the internal flow passage 7 is connected with an air inlet 61 of the inner chamber 6, the other end of the internal flow passage 7 is connected with an air inlet 4 arranged on the surface of the connecting plate 2, and a second fan 3 is arranged on the internal flow passage 7;
the longitudinal section of the inner wall 11 of the annular body 1 of the air intake auxiliary device presents an inward inclined section gradually furled towards the center of the inner hole from bottom to top and an outward inclined section gradually expanded outwards, the air nozzle 62 is positioned at the bottom of the outward inclined section of the inner wall 11 of the annular body 1 of the air intake auxiliary device, and the orientation of the air nozzle 62 is close to the outward inclined section of the inner wall 11 of the annular body 1 of the air suction auxiliary device.
Further, the guide vane 5 is arranged at the air inlet 61 of the inner chamber 6, and the end of the guide vane 5 is inserted into the inner chamber 6 along the circumferential direction of the inner chamber 6.
Further, the bottom of the inner wall 11 of the annular body 1 of the air inlet auxiliary device is provided with an oil collecting groove 8, and the oil collecting groove 8 is connected with an oil cup 9.
Further, the lighting system 10 is mounted on the outer wall 12 of the annular body 1 of the air intake assisting device, the lighting system 10 comprises an annular lamp tube 101 controlled by a piezoresistor 102, and the piezoresistor 102 is arranged in the inner cavity 6.
The beneficial effects of the utility model are embodied in:
(1) this device can promote lampblack absorber smoking effect, reduces the oil smoke escape phenomenon simultaneously. (2) this device is quick detachable to be washd, and occupation space is little, greatly promotes the culinary art comfort level. (3) Before entering the fan, the oil fume gas inlet speed is increased, the air inlet amount is increased, and the problem of insufficient suction force caused by the hanging height of the fan is solved; (4) the device is provided with an illumination system which is automatically turned on and off by means of piezoresistor control.
Drawings
FIG. 1 is a schematic structural section view of the present invention
Fig. 2 is a plan view of the intake assist device of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a partial enlarged view of portion P of FIG. 2;
fig. 5 is an isometric illustration of an intake aid of the present invention;
FIG. 6 is a schematic view of the working principle of the intake assisting device of the present invention;
fig. 7 is a cross-sectional view of the intake assist device of the present invention;
FIG. 8 is an enlarged partial view of portion Q of FIG. 7;
fig. 9 is a partially enlarged view of a portion M of fig. 7;
FIG. 10 is a schematic view of the inlet to the inner chamber of the intake aid of the present invention;
fig. 11 is a partial enlarged view of a portion N of fig. 10;
fig. 12 is a right side view of the usage state of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, it being understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention, and it is to be further understood that only the parts related to the invention are shown in the drawings for ease of description.
It should be noted that, in case of conflict, the features of the embodiments and examples in the present application can be combined with each other, and the present application will be described in detail with reference to the accompanying drawings and examples.
The utility model discloses a take auxiliary device's that admits air lampblack absorber establishes box 13 on the main entrance of oil smoke gas, locates the box air inlet 131 of box 13 below and locates the inside air flue that has box 13 between the box gas outlet 132 of box top, and box air inlet 131 is equipped with oil net 16, is equipped with first fan on the inside air flue. Range hood box 13 is the column, and box air inlet 131 is located box 13 below, and box air inlet 131 is equipped with oil net 16, and box 13 top is equipped with box gas outlet 132.
The first fan comprises a volute 14, an impeller 17, and a motor 15. The volute 14 is fixed on the box body 13 through two volute brackets 141, the volute air inlet 142 is located at the side of the volute, and the volute air outlet 143 is located above the volute 14 and connected with the box body air outlet 132.
The motor 15 is connected with the range hood impeller 17, the centers of the motor 15 and the range hood impeller 17 are located on the same axis, and the impeller 17 is driven by the motor 15.
An air inlet auxiliary device is arranged below the air inlet 131 of the box body, and an annular body 1 of the air inlet auxiliary device is provided with an inner hole through which the flue gas flows; the ring body 1 is connected to the case 13 via a connecting plate 2.
An annular inner chamber 6 is arranged in the annular body 1 of the air inlet auxiliary device, the inner chamber 6 is provided with an air outlet 62 on the inner wall 11 of the body 1, the air outlet 62 is also annular, and the inner chamber 6 is provided with an air inlet 61 on the outer wall 12 of the body 1;
an internal flow passage 7 is arranged on the connecting plate 2, one end of the internal flow passage 7 is connected with an air inlet 61 of the inner chamber 6, the other end of the internal flow passage 7 is connected with an air inlet 4 arranged on the surface of the connecting plate 2, and a second fan 3 is arranged on the internal flow passage 7;
the longitudinal section of the inner wall 11 of the body 1 of the air intake auxiliary device presents an inward inclined section gradually furled towards the center of the inner hole from bottom to top and an outward inclined section gradually expanded outwards, the air nozzle 62 is positioned at the bottom of the outward inclined section of the inner wall 11 of the body 1, and the orientation of the air nozzle 62 is close to the outward inclined section of the inner wall 11 of the body 1.
The air inlet 61 of the inner chamber 6 is provided with a guide vane 5, and the tail end of the guide vane 5 is inserted into the inner chamber 6 along the circumferential direction of the inner chamber 6.
An oil collecting groove 8 is formed in the bottom of the inner wall 11 of the body 1 of the air inlet auxiliary device, and the oil collecting groove 8 is connected with an oil cup 9.
The lighting system 10 is mounted on the outer wall 12 of the body 1 of the air intake assisting device, the lighting system 10 comprises a ring-shaped lamp tube 101 controlled by a pressure sensitive resistor 10-2, and the pressure sensitive resistor 102 is arranged in the inner cavity 6.
The inner circle diameter D1 of a drainage section below the annular body 1 of the air inlet auxiliary device is (150-300 mm), the inner circle diameter D2 of the inner cavity chamber is D1-50mm along the positive direction, the inner circle diameter D3 of an air outlet at the upper end of the annular body 1 is D1-30mm along the positive direction, the thickness H1 is 120mm, and the inclination angle β of the annular wall surface is 3-10 degrees.
The gas outlet 62 of the inner chamber 6 is an annular outletThe width S3 of 62 is 2-6mm, and the height H2 of the air inlet 61 of the inner chamber is 110 mm; the section of the inner chamber 6 is formed by rotating a plurality of lines for one circle, the radius R1 of the arc line at the upper end is 40mm, and the arc angle is 50-60 degrees; the length of a straight line segment at the left end H3 is 130 mm; the radius R3 of the lower end arc line is 30mm, and the arc angle is 65-70 degrees; length H of right line segment4Is 100 mm; the radius R2 of the circular arc line of the connecting section of the air jet 62 and the inner wall 11 is 35mm, and the circular arc angle is 50-55 degrees.
The bottom end of the annular body 1 of the air inlet auxiliary device is provided with an oil collecting tank 8; the upper end of the connecting plate 2 is provided with the second fan 3, three sides of the connecting plate 2 are used for air inlet, the air inlet on the connecting plate 2 is formed by arranging a plurality of small holes with square sections, the side length S2 of each small hole is 20mm, and the distance S1 between every two adjacent small holes is 10mm, so that oil drops can be reduced from directly entering the fan; the outlet of the second fan 3 is connected with the air inlet 61 of the inner chamber, the air inlet is provided with two flow deflectors 5, the radius R4 of the flow deflectors is 50mm, and the arc angle gamma is 50-65 degrees; the two flow deflectors are the same and are symmetrically arranged.
The utility model is provided with an illumination system, the illumination system comprises a piezoresistor 102 and 3-6 parallel lamp tubes 101, and the lamp tubes 101 are annular; setting a preset pressure value of 10N for the piezoresistor 102; when the wind pressure reaches a preset value, the resistance value of the piezoresistor is reduced, the circuit is communicated, and the parallel lamp 101 is electrified to work; when the range hood stops working, the pressure of the piezoresistor 102 is smaller than a preset value, the resistor is increased, and the lighting system stops working.
The built-in small motor of second fan 3, and open work simultaneously along with lampblack absorber motor 15: (1) external air flow is sucked in through the air inlet 4 and is divided by the flow deflector 5 to enter the inner chamber 6 from the air inlet 61 of the inner chamber,
(2) the piezoresistor 102 at the air inlet 61 of the inner chamber is pressed to reach a preset value and is communicated with the circuit, the parallel lamp tubes 101 are communicated, and the lighting system starts to work;
(3) after the fan generates airflow to fill the narrow inner cavity flow channel, the airflow flows out of the inner cavity air jet 62, and the airflow flowing out of the inner cavity air jet 62 is accelerated due to the small area of the outlet;
(4) the gas flowing out from the inner chamber gas nozzle 62 flows out from bottom to top along the inner wall 11 of the body 1 in the positive direction, low pressure is formed in the center of the body 1, and the bottom oil smoke of the range hood is adsorbed to a low pressure area from the lower part
(5) The adsorbed gas joins the inner chamber gas jet port 62 and flows out, so that the flow velocity of the gas flowing out of the device is increased and the pressure is reduced;
(6) the utility model discloses export section oil smoke gas flow direction device export is drawn close, through oil net 16, flows into lampblack absorber box 13, and auxiliary device that admits air has played the lampblack absorber and has been held close the cigarette function.
(7) The oil fume enters the first fan of the range hood box body 13, enters the volute 14 from the volute inlet 142, changes the motion direction along with the rotation of the fan impeller 17 rotating in the volute 14, oil drops are thrown out of the air current due to inertia, the air current flows out from the volute outlet 143, and finally the oil fume is discharged out of a room through the box body outlet 132.
The utility model discloses an auxiliary device admits air's body 1's inner wall 11's shape can obviously strengthen body 1 center low pressure, strengthens the adsorption effect to the below oil smoke. The outward-inclined section of the gas jet 62 facing the inner wall 11 of the body 1, the induced gas from the gas jet 62 flows along the inner wall and gradually inclines outward, so that the low pressure is formed at the central part of the body 1.
This device has promoted oil smoke air input in the use. The smoke absorbing effect of the range hood is obviously increased, and the oil smoke escape phenomenon is reduced.
The embodiments of the present application have been described in detail, but the description is only for the preferred embodiments of the present application and should not be construed as limiting the scope of the application. All equivalent changes, modifications and the like made within the scope of the present application shall fall within the coverage of the present application.
Claims (5)
1. The range hood with the air inlet auxiliary device comprises a box body (13) arranged on a main channel of oil smoke gas, an internal air channel of the box body (13) is arranged between a box body air inlet (131) arranged below the box body (13) and a box body air outlet (132) arranged above the box body, and a first fan is arranged on the internal air channel; the method is characterized in that:
an air inlet auxiliary device is arranged below the air inlet (131) of the box body, and an annular body (1) of the air inlet auxiliary device is provided with an inner hole for allowing smoke gas to flow through; the annular body (1) is connected with the box body (13) through the connecting plate (2);
an annular inner chamber (6) is arranged in the annular body (1) of the air inlet auxiliary device, an air jet opening (62) is formed in the inner wall (11) of the annular body (1) of the air suction auxiliary device of the inner chamber (6), the air jet opening (62) is also annular, and an air inlet (61) is formed in the outer wall (12) of the body (1) of the inner chamber (6);
an internal flow passage (7) is arranged on the connecting plate (2), one end of the internal flow passage (7) is connected with an air inlet (61) of the inner chamber (6), the other end of the internal flow passage (7) is connected with an air inlet hole (4) formed in the surface of the connecting plate (2), and a second fan (3) is arranged on the internal flow passage (7);
the longitudinal section of the inner wall (11) of the annular body (1) of the air intake auxiliary device presents an inward inclined section gradually furled towards the center of the inner hole from bottom to top and an outward inclined section gradually expanded outwards, the air nozzle (62) is positioned at the bottom of the outward inclined section of the inner wall (11) of the annular body (1) of the air intake auxiliary device, and the direction of the air nozzle (62) is close to the outward inclined section of the inner wall (11) of the annular body (1) of the air suction auxiliary device.
2. A range hood with auxiliary air intake device as claimed in claim 1, wherein: the air inlet (61) of the inner chamber (6) is provided with a flow deflector (5), and the tail end of the flow deflector (5) is inserted into the inner chamber (6) along the circumferential direction of the inner chamber (6).
3. A range hood with auxiliary air intake device as claimed in claim 1, wherein: an oil collecting groove (8) is arranged at the bottom of the inner wall (11) of the body (1), and the oil collecting groove (8) is connected with an oil cup (9).
4. A range hood with auxiliary air intake device as claimed in claim 1, wherein: an illuminating system (10) is arranged on the outer wall (12) of the body (1), the illuminating system (10) comprises an annular lamp tube (101) controlled by a piezoresistor (102), and the piezoresistor (102) is arranged in the inner cavity (6).
5. A range hood with auxiliary air intake device as claimed in claim 1, wherein: the range hood box body (13) is columnar, and an oil screen (16) is arranged at an air inlet (131) of the box body; the first fan comprises a volute (14), an impeller (17) and a motor (15), the volute (14) is fixed on the box body (13) through two volute brackets (141), a volute air inlet (142) is located on the side of the volute, a volute air outlet (143) is located above the volute (14), and the volute air outlet (143) is connected with a box body air outlet (132); the range hood is characterized in that a motor (15) is arranged inside the volute (14), the motor (15) is connected with a range hood impeller (17), the centers of the motor (15) and the range hood impeller (17) are located on the same axis, and the impeller (17) is driven by the motor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704182.9U CN210624629U (en) | 2019-05-16 | 2019-05-16 | Range hood with air inlet auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704182.9U CN210624629U (en) | 2019-05-16 | 2019-05-16 | Range hood with air inlet auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210624629U true CN210624629U (en) | 2020-05-26 |
Family
ID=70760420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920704182.9U Active CN210624629U (en) | 2019-05-16 | 2019-05-16 | Range hood with air inlet auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210624629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186085A (en) * | 2019-05-16 | 2019-08-30 | 浙江工业大学 | Kitchen ventilator with air inlet auxiliary device |
-
2019
- 2019-05-16 CN CN201920704182.9U patent/CN210624629U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186085A (en) * | 2019-05-16 | 2019-08-30 | 浙江工业大学 | Kitchen ventilator with air inlet auxiliary device |
| CN110186085B (en) * | 2019-05-16 | 2024-07-19 | 浙江工业大学 | Range hood with air inlet auxiliary device |
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