CN102620331B - Range hood with anti-turbulence capacity - Google Patents
Range hood with anti-turbulence capacity Download PDFInfo
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- CN102620331B CN102620331B CN201110033572.6A CN201110033572A CN102620331B CN 102620331 B CN102620331 B CN 102620331B CN 201110033572 A CN201110033572 A CN 201110033572A CN 102620331 B CN102620331 B CN 102620331B
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- 239000000779 smoke Substances 0.000 claims abstract description 63
- 230000000740 bleeding effect Effects 0.000 claims description 59
- 238000007664 blowing Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 3
- 239000012208 gear oil Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 40
- 238000000605 extraction Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 24
- 230000000505 pernicious effect Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910018503 SF6 Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000004509 smoke generator Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 241000319916 Microsaniinae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007795 flow visualization technique Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a range hood with anti-turbulence capacity. The range hood is arranged above a bench, and the countertop of the bench is provided with an exhaust. The range hood comprises an exhaust hood, wherein the bottom of the exhaust hood is provided with a narrow and long and downward pointing extraction opening, the narrow and long extraction opening is communicated with an air extractor for extracting air upward, and an elongated left vertical plate and an elongated right vertical plate are respectively arranged below the left and right sides. Thus when the air extractor runs to let the elongated extraction opening extract the air, an oblique air flow is formed, and the elongated left vertical plate and the elongated right vertical plate can block the turbulences from side directions to prevent the oblique air flow structure from damaging, so as to form a complete upward air flow to eliminate oil smoke and harmful gases.
Description
Technical field
The present invention is about a kind of smoke exhaust, and espespecially a kind of rough air that can stop from all directions, to get rid of pollutants from cooking fume, makes to be applicable to family kitchen, business kitchen, dining room and other operation places that can produce dusty gas.
Background technology
Traditional oil-containing air exhauster for kitchen does not have too big difference with the top suction type gas hood that is generally used for operation place.This type of smoke exhaust is below air entry in very short distance, it is very little that fluid speed up become, and make suction force deficiency upwards, therefore, as easy as rolling off a log be subject to from personnel walk about, the impact of the rough air such as fan or cold air operation, make effective oil smoke trapping district shorten very little scope into.Thus, being close near oil smoke air entry can be along with the flowing and loss of rough air, and harm is in culinary cuisine person's health.
Therefore, the inventor once utilized gas dynamics, developed one and have the exhaust apparatus of " gas curtain ", to overcome the problems referred to above.Its main technology contents is that the front side of kitchen cabinet arranges the air-flow toward oblique upper backwash together, slit shape draft hood is set one above table, and allow the complete transmission of arranged on left and right sides of table table top using the use as tonifying Qi, and make one of the air-flow formation of blowing, inhaling be close to two-dimentional gas curtain.And this flow field that meets gas dynamics will make oil smoke and toxic gas between oblique gas curtain and rear wall be discharged by the air-suction cover that brings to top of steady air current.
When enforcement, above-mentioned exhaust apparatus can be upset under the state of air-flow strongly not having really, effectively eliminating, isolating oil soot and pernicious gas, and can the leakage of walking about before kitchen cabinet because of personnel and cause because of slight rough air (disturbance velocity below 20cm/s greatly) be down to minimum.Only, this exhaust apparatus by the arranged on left and right sides of table table top without hindrance every space air amount to carry out tonifying Qi, make to form a two-dimentional gas curtain towards cooker.Therefore, although can form strong barrier effect to the disturbing flow in kitchen cabinet front, but, be difficult to get rid of completely other strong a little rough airs from from all directions in kitchen space, for example: the brushing of electric fan, or by door, face leaked-in air outside window, it becomes quite complicated by the rough air that makes kitchen space, and when rough air acts on the left side of table table top, when right the both sides, due to a left side for table table top, right both sides transmission is using as tonifying Qi space, rough air from side direction will destroy gas curtain structure by this tonifying Qi space, allow the ability of getting rid of oil smoke significantly reduce.According to the experimental result of Taiwan University of Science and Technology, be greater than about 20cm/s when above in the speed of rough air, general commercially available traditional smoke exhaust manifests serious leakage, and the mist extractor of two-dimentional air curtain type also has and produces the phenomenon of leaking.And the ubiquitous rough air in general kitchen is difficult to expect and be controlled at very little velocity interval, it is rather serious that therefore oil smoke flies away leakage.
Moreover, because the mist extractor of above-mentioned two-dimentional air curtain type must be installed the device of air blowing and exhaust simultaneously, therefore, on replacing or installation exercise, quite bother, relative will increase equipment and manpower operation's cost.
In view of this, for a kind of structure that is different from prior art is provided, and improve above-mentioned shortcoming, make mist extractor function stop the rough air from all directions, effectively to get rid of oil smoke and pernicious gas, long-pending experience and the constantly research and development improvement for many years of inventor, has generation of the present invention then.
Summary of the invention
Main purpose of the present invention is to provide a kind of smoke exhaust with disturbance rejection gas flow capability, by the bleeding point that is provided with thin-and-long in the bottom of air-suction cover, and below the left surface of air-suction cover and right flank, be respectively equipped with the structure of microscler riser, can stop the rough air from side direction, make to form complete upwards air-guiding, to get rid of oil smoke and pernicious gas.
Secondary objective of the present invention is to provide a kind of smoke exhaust with disturbance rejection gas flow capability, by be respectively equipped with microscler riser below the left and right side of air-suction cover, and be respectively equipped with the structure of water conservancy diversion shape at the front end of two risers, can allow air enter the lower side space of air-suction cover by the front end of riser time, can dwindle fluid and separate and the recirculating zone of formation from left and right riser front end face, to guarantee to form exhaust airstream smoothly.
For reaching the object of foregoing invention, the rear end face of what the present invention was set the have smoke exhaust of disturbance rejection gas flow capability is arranged on a wall, and is positioned at the top of a platform, and the table top of platform is provided with an exhaust apparatus.This smoke exhaust comprises an air-suction cover, a microscler left riser and a microscler right riser.Wherein, the bottom of this air-suction cover is provided with a long and narrow and downward opening bleeding point, and this thin-and-long bleeding point is communicated with an air extractor, for upwards aspirating air; And this thin-and-long bleeding point is arranged between the front end face and rear end face of air-suction cover, and parallel this front end face and this rear end face; This microscler left riser is fixed on the left surface below of air-suction cover, and the horizontal width of microscler left riser is not less than the trailing edge of exhaust apparatus to the horizontal range between wall, and the facade length of microscler left riser is not less than the height of platform to microscler left riser bottom; And this microscler right riser is fixed on the right flank below of air-suction cover, the horizontal width of microscler right riser is not less than the trailing edge of exhaust apparatus to the horizontal range between wall, and the facade length of microscler right riser is not less than the height of platform to microscler right riser bottom.
When enforcement, the front end right side of this left riser is provided with the first diversion division of an arc, and the front end left side of this right riser is provided with the second diversion division of an arc.
When enforcement, in the time that the set smoke exhaust with disturbance rejection gas flow capability of the present invention is directly suspended on the top of a platform, the thin-and-long bleeding point of this smoke exhaust is arranged on the centre position of front end face and the rear end face of air-suction cover; The horizontal width of microscler left riser is not less than the horizontal width of the left surface of 1/4 air-suction cover, and the horizontal width of microscler right riser is not less than the horizontal width of the left surface of 1/4 air-suction cover, so as to covering the left and right side of exhaust apparatus.
For ease of having a better understanding the present invention, after this is specified in:
Brief description of the drawings
Fig. 1 is the three-dimensional appearance schematic diagram that the first embodiment of the present invention is arranged on platform top.
Fig. 2 is that the first embodiment of the present invention is installed generalized section on the wall.
The generalized section of another shape that Fig. 3 and 4 is air collecting box of the present invention.
Fig. 5 is the side view of the first embodiment of the present invention in the time of exhaust.
Fig. 6 is the top view of the first embodiment of the present invention in the time of exhaust.
Fig. 7 is the side view of the second embodiment of the present invention in the time of exhaust.
Fig. 8 is the side view of the third embodiment of the present invention.
Fig. 9 is the side view of the third embodiment of the present invention in the time of exhaust.
Figure 10 is that the present invention discharges smog on table, with the smog photo of the auxiliary viewed horizontal plane of smog Flow Visualization of laser and middle facade.
Figure 11 is that the present invention and other smoke exhausts are carrying out after static test, the capturing efficiency comparative graph obtaining respectively.
Figure 12 is that the present invention and other smoke exhausts are carrying out after dynamic test, the capturing efficiency comparative graph obtaining respectively.
[main element symbol description]
Smoke exhaust 1 wall 11 platform 12 exhaust apparatus 13
Trailing edge 131 leading edge 132 air-suction cover 2 air collecting box 21
Space 211 base plates 212 keep off oily frame 213 entrances 214
Bleeding point 22 front end face 23 rear end face 24 oil storage boxes 25
The 3rd tonifying Qi space 29,27 second tonifying Qi space 28, air extractor 26 first tonifying Qi space
The 4th microscler left riser 3 first diversion divisions 31 in tonifying Qi space 30
Microscler right riser 4 second diversion divisions 41 of burble point 311,411
Blow and hold 5,6 inflatable mouth 51,61 air blast 52 gas curtains 53,62
Detailed description of the invention
Refer to shown in Fig. 1,2, it has the first embodiment of the smoke exhaust 1 of disturbance rejection gas flow capability for the present invention, thereafter end face is arranged on a wall 11, and being positioned at the top of a platform 12, the table top of this platform 12 is provided with a burner, on this burner, can be provided with pan, this burner is made as exhaust apparatus 13, wherein, this exhaust apparatus 13 is defined as trailing edge 131 towards the one side of wall 11, and reverse this trailing edge 131 and be defined as leading edge 132 away from the one side of wall 11.When enforcement, this exhaust apparatus 13 also can comprise a pan, or other can produce the utensil of pernicious gas.And this smoke exhaust 1 comprises an air-suction cover 2, a microscler left riser 3 and a microscler right riser 4.
This air-suction cover 2 comprises an air collecting box 21, this air collecting box 21 is the housing that a summary is rectangle, its inner space 211 that forms, the base plate 212 of air collecting box 21 is provided with a long and narrow and downward opening bleeding point 22, thin-and-long bleeding point 22 is between the front end face 23 and rear end face 24 of air-suction cover 2, and parallel front end face 23 and rear end face 24.The plate face of the base plate 212 of this air collecting box 21 is provided with a gear oil frame 213, keep off oily frame 213 protruding upward by the plate face of base plate 212, and frame is trapped among the surrounding of thin-and-long bleeding point 22.The plate surface rear end below of the base plate 212 of this air collecting box 21 is provided with an oil storage box 25, and described oil storage box 25 also can be arranged at plate end below or the side below in front of base plate 212.Separately, the end face of this air collecting box 21 via an entrance of bleeding 214 upwards to connect an air extractor 26, and this entrance 214 depart from thin-and-long bleeding point 22 directly over.When enforcement, this air extractor 26 is extraction fan, air blast or other fluid machinery able to drawing air.
When enforcement, this air collecting box 21 also can be the L-shaped housing of a summary, and as shown in Figure 3, thin-and-long bleeding point 22 with angle of inclination down; Or as shown in Figure 4, thin-and-long bleeding point 22 is towards the direction of the rear end face 24 away from air collecting box 21.
These microscler left riser 3 summarys are rectangle, and its top is fixed on the left surface below of air collecting box 21, and by the left surface below of air collecting box 21 to downward-extension, and make microscler left riser 3 be vertical with thin-and-long bleeding point 22 summarys.The front end right side of this microscler left riser 3 is provided with the first diversion division 31 of an arc, the horizontal width W of this microscler left riser 3 is not less than the trailing edge 131 of exhaust apparatus 13 to the horizontal distance W 1 between wall 11, that is microscler left riser 3 stops the some of the left surface of exhaust apparatus 13 to I haven't seen you for ages; And the facade length H of this microscler left riser 3 is not less than the height H 1 of platform 12 tops to microscler left riser 3 bottoms.
This microscler right riser 4 and microscler left riser 3 are symmetrical in the arranged on left and right sides of air collecting box 21, the top of microscler right riser 4 is fixed on the right flank below of air collecting box 21, and by the right flank below of air collecting box 21 to downward-extension, and make microscler right riser 4 be vertical with thin-and-long bleeding point 22 summarys.Separately, the front end left side of this microscler right riser 4 is provided with the second diversion division 41 of an arc, the horizontal width of this microscler right riser 4 is not less than the trailing edge 131 of exhaust apparatus 13 to the horizontal range between wall 11, that is, microscler right riser 4 stops the some of the right flank of exhaust apparatus 13 to I haven't seen you for ages, and the facade length of this microscler right riser 4 is not less than the height of platform 12 tops to microscler right riser 4 bottoms.
Thus, the below of the left surface front end of the front end face of microscler left riser 3 and air-suction cover 2 forms the first tonifying Qi space 27 that a summary is rectangle, and the below of the right flank front end of the front end face of microscler right riser 4 and air-suction cover 2 forms the second tonifying Qi space 28 that a summary is rectangle.And these left riser 3 bottoms are to the 3rd tonifying Qi space 29 that forms a summary between the left side of platform 12 and be rectangle, these right riser 4 bottoms are to the 4th tonifying Qi space 30 that forms a summary between the right side of platform 12 and be rectangle.
Whereby, as shown in Figure 5,6, when the present invention is fixed on wall, and when exhaust apparatus 13 starts to produce oil smoke or other pernicious gases, the running of air extractor 26 will make thin-and-long bleeding point 22 start upwards to bleed, and by the high-speed suction effect of thin-and-long bleeding point 22, below the front end of air collecting box 21, form oblique air-flow, to drive oil smoke or other pernicious gases that exhaust apparatus 13 is produced to rise, and by behind the space 211 of air collecting box 21 inside, discharge via air extractor 26.And due to the entrance 214 of bleeding of air extractor 26 depart from thin-and-long bleeding point 22 directly over, therefore, the waste oil of accumulation will can directly not drip downwards via thin-and-long bleeding point 22, and can be attached on the plate face of base plate 212.And because oily frame 213 frames of gear are trapped among the surrounding of thin-and-long bleeding point 22, to stop that waste oil down oozes from air-breathing groove 22, therefore, waste oil can flow to downwards in oil storage box 25.Due to stopping of microscler left riser 3 and microscler right riser 4, can resist the rough air of side direction from the beginning, destroyed to prevent above-mentioned oblique air flow structure, thus form complete upwards air-guiding, to get rid of oil smoke and pernicious gas.
Moreover, because the front end right side of left riser 3 is provided with the first diversion division 31 of arc, the front end left side of right riser 4 is provided with the second diversion division 41 of an arc, therefore, in the time that air enters the space of air collecting box 21 belows by the first tonifying Qi space 27 and the second tonifying Qi space 28, the burble point (311,411) that makes air fluid and the first diversion division 31 and the second diversion division 41 is delayed.Thus, the recirculating zone that air fluid can be produced dwindles, to guarantee to form exhaust airstream smoothly.
Refer to shown in Fig. 7, it is the second embodiment of the present invention, itself and the first embodiment difference are: the front end of this platform 12 is provided with a thin-and-long air blowing end 5, thin-and-long air blowing end 5 is provided with the thin-and-long inflatable mouth 51 of an oblique corresponding thin-and-long bleeding point 22, and thin-and-long inflatable mouth 51 and an air blast 52 are interconnected, with the effect via air blast 52, allow inflatable mouth 51 upwards spray air jet with an angle of inclination, enter in thin-and-long bleeding point 22, and between thin-and-long inflatable mouth 51 and thin-and-long bleeding point 11, form an oblique gas curtain 53.When enforcement, described air blast 52 also can be cross flow fan or other fluid machinery replaces.
And as shown in Figure 8, it is the third embodiment of the present invention, itself and first and second embodiment difference is: this smoke exhaust is directly suspended on the top of platform 12, so that the forward and backward side transmission of air-suction cover 2, this thin-and-long bleeding point 22 is arranged on the centre position of front end face and the rear end face of air-suction cover 21, and the horizontal width W2 of microscler left riser 3 is not less than the horizontal width W3 of the left surface of 1/4 air-suction cover 2, the horizontal width of microscler right riser 4 is not less than the horizontal width of the right flank of 1/4 air-suction cover 2, so as to covering the left and right side of exhaust apparatus 13.And as shown in Figure 9, the rear end of this platform 12 also can be provided with another thin-and-long air blowing end 6, this thin-and-long air blowing end 6 is provided with the thin-and-long inflatable mouth 61 of a corresponding thin-and-long bleeding point 22, and thin-and-long inflatable mouth 61 is interconnected with air blast 52.Whereby, when thin-and-long inflatable mouth 61 upwards sprays air jet with an angle of inclination, and while entering thin-and-long bleeding point 22, can between thin-and-long inflatable mouth 61 and thin-and-long bleeding point 22, form the oblique gas curtain 62 in another road.
Whereby, it is no matter the end (5,6) or have the end of air blowing (5,6) and produce one gas curtain Huo Er road gas curtain of not blowing, all can air-flow by oil smoke or the stable air-suction cover 2 that brings to top of other pernicious gases, and discharge via the start of air extractor 26.
For design of the present invention, on table, discharge smog, with the auxiliary smog Flow Visualization (Laser-assisted smoke flow visualization technique) of laser, these multiple horizontal planes of device and facade are inspected.Figure 10 shows the horizontal plane observed and the smog photo of middle facade.Distributed and can be known by the smog of facade, the smog rising from smoke generator can, along with highly rising and wall direction inclination backward, then be inhaled in the air-breathing groove being arranged at by rear side, can not fall apart from front and overflow; Distributed and can be known by the smog of horizontal plane, the smog rising from smoke generator roughly concentrates on zone line, can be toward both sides diffusion.
In addition, via the Heat Flow Experiment chamber of Taiwan University of Science and Technology, use tracking gas method (tracer gasdetection method) to check this to invent the effect that removes to pollutant.By sulfur hexafluoride (SF
6) gas disengages with certain flow rate and concentration via the gas release device being arranged on table, then measure concentration of sulfur hexafluoride and the flow rate of top air-suction cover pipeline far-end, can calculate capturing efficiency (captureefficiency, η), that is " the SF that time per unit flows through being measured at air-suction cover pipeline far-end
6volume is divided by the SF being discharged by gas release device time per unit
6volume ".
The first test is static test: air-suction cover is installed on to the height different apart from kitchen cabinet (H) and locates, at the rough air speed V of context
draftunder the condition of very little (approximately 0.03m/s), to 5 kinds of smoke exhausts: (1) traditional smoke exhaust, (2) traditional smoke exhaust add that kitchen cabinet leading edge has blowing gas stream on a groove shape, (3) traditional smoke exhaust left and right sides to add upper guard board, (4) air curtain type range hood, (5) smoke exhaust of the present invention, carries out the test of capturing efficiency.Result as shown in figure 11.Clearly: (1) traditional smoke exhaust, (2) traditional smoke exhaust add kitchen cabinet leading edge have blowing gas stream on a groove shape and (3) traditional smoke exhaust left and right sides add three kinds of patterns of upper guard board capturing efficiency much lower more than the capturing efficiency of (4) air curtain type range hood and (5) smoke exhaust of the present invention.And the capturing efficiency of (5) smoke exhaust of the present invention is higher than (4) air curtain type range hood, especially, when smoke exhaust height is greater than 0.5m when above, difference is just more obvious.
The second test is the test of antagonism context rough air ability: air-suction cover is installed on to the place apart from kitchen cabinet height H=0.6m, uses different rough air speed V
draft5 kinds of smoke exhausts are brushed outside 2m with the oblique angles of 45 °, carry out the test of capturing efficiency, result as shown in figure 12.Clearly, (1) traditional smoke exhaust, (2) traditional smoke exhaust add kitchen cabinet leading edge have blowing gas stream on a groove shape and (3) traditional smoke exhaust left and right sides add three kinds of patterns of upper guard board capturing efficiency much lower more than the capturing efficiency of (4) air curtain type range hood and (5) smoke exhaust of the present invention.And the capturing efficiency of (5) smoke exhaust of the present invention is significantly higher than (4) air curtain type range hood, especially, when the speed of rough air is greater than 0.2m/s when above, advantage of the present invention is just more obvious.Even, in the time that the speed of rough air reaches 1m/s, capturing efficiency of the present invention is also without too large reduction, and along with the enhancing of rough air, fast reducing arrives numerical value beyond affordability to the capturing efficiency of other four kinds of smoke exhausts.Other provide the test of rough air also to manifest similar result with different angles.
Therefore, the present invention has advantages of following:
1, the present invention bleeds by the bleeding point of thin-and-long, and by microscler left and right riser to stop the rough air from side direction, therefore, can form complete upwards air-guiding, to get rid of oil smoke and pernicious gas.
2, the present invention by the arc diversion division that is located at microscler left and right riser front end to dwindle the reflux bulb that enters side space under air-suction cover, therefore, can avoid reflux bulb to protrude outward and oil smoke is easily spread, and affecting the upwards integrality of air-guiding, to guarantee to form exhaust airstream more smoothly.
3, the present invention, by the combination of thin-and-long bleeding point and microscler left and right riser, to form complete upwards air-guiding, and then gets rid of oil smoke and pernicious gas, therefore, can, not changing under the situation of other kitchen tools, directly replace traditional smoke exhaust, use and install quite convenient.
In sum, according to the content that above disclosed, the present invention really can reach the expection object of invention, a kind of rough air that can stop from all directions is provided, effectively to get rid of the smoke exhaust with disturbance rejection gas flow capability of oil smoke and pernicious gas, have the value of utilizing in industry, whence proposes application for a patent for invention in accordance with the law.
Claims (7)
1. a smoke exhaust with disturbance rejection gas flow capability, is characterized in that, rear end face is installed on the wall, and be positioned at the top of platform, the table top of this platform is provided with an exhaust apparatus, and this exhaust apparatus is defined as trailing edge towards the one side of wall, and this smoke exhaust comprises:
An air-suction cover, its bottom is provided with a long and narrow and downward opening bleeding point, and this thin-and-long bleeding point is communicated with an air extractor, for upwards aspirating air; And this thin-and-long bleeding point is arranged between the front end face and rear end face of air-suction cover, and parallel this front end face and this rear end face; This air-suction cover comprises an air collecting box, and this air extractor is connected to the end face of air collecting box, and thin-and-long bleeding point is formed on the bottom of air collecting box; This air extractor has an entrance of bleeding, this entrance depart from thin-and-long bleeding point directly over;
A microscler left riser, is fixed on below the left surface of air-suction cover, and the horizontal width of this microscler left riser is not less than the trailing edge of exhaust apparatus to the horizontal range between wall, and the facade length of this microscler left riser is not less than the height of platform to microscler left riser bottom; And
A microscler right riser, is fixed on below the right flank of air-suction cover, and the horizontal width of this microscler right riser is not less than the trailing edge of exhaust apparatus to the horizontal range between wall, and the facade length of this microscler right riser is not less than the height of platform to microscler right riser bottom.
2. a smoke exhaust with disturbance rejection gas flow capability, is characterized in that, rear end face is arranged on a wall, and be positioned at the top of platform, the table top of this platform is provided with an exhaust apparatus, and this exhaust apparatus is defined as trailing edge towards the one side system of wall, and this smoke exhaust comprises:
One air-suction cover, its bottom is provided with a long and narrow and downward opening bleeding point, and this thin-and-long bleeding point is communicated with an air extractor, for upwards aspirating air; And this thin-and-long bleeding point is arranged between the front end face and rear end face of air-suction cover, and parallel this front end face and this rear end face; This air-suction cover comprises an air collecting box, and this air extractor is connected to the end face of air collecting box, and thin-and-long bleeding point is formed on the bottom of air collecting box; This air extractor is provided with an entrance of bleeding, this entrance depart from thin-and-long bleeding point directly over;
One microscler left riser, is fixed on below the left surface of air-suction cover, and the horizontal width of this microscler left riser is not less than the trailing edge of exhaust apparatus to the horizontal range between wall, and the facade length of this microscler left riser is not less than the height of platform to microscler left riser bottom; To be defined as front end near user's direction, to define left side and right side with user in the face of the direction of this exhaust apparatus; The below of the left surface front end of the front end face of this left riser and air-suction cover forms one first tonifying Qi space; And
One microscler right riser, is fixed on below the right flank of air-suction cover, and the horizontal width of this microscler right riser is not less than the trailing edge of exhaust apparatus to the horizontal range between wall, and the facade length of this microscler right riser is not less than the height of platform to microscler right riser bottom; The below of the right flank front end of the front end face of this right riser and air-suction cover forms one second tonifying Qi space.
3. a smoke exhaust with disturbance rejection gas flow capability, is characterized in that, rear end face is arranged on a wall, and be positioned at the top of platform, the table top of this platform is provided with an exhaust apparatus, and this exhaust apparatus is defined as trailing edge towards the one side of wall, and this smoke exhaust comprises:
One air-suction cover, its bottom is provided with a long and narrow and downward opening bleeding point, and this thin-and-long bleeding point is communicated with an air extractor, for upwards aspirating air; And this thin-and-long bleeding point is arranged between the front end face and rear end face of air-suction cover, and parallel this front end face and this rear end face; This air-suction cover comprises an air collecting box, and this air extractor is connected to the end face of air collecting box, and thin-and-long bleeding point is formed on the bottom of air collecting box; This air extractor is provided with an entrance of bleeding, this entrance depart from thin-and-long bleeding point directly over;
One microscler left riser, is fixed on below the left surface of air-suction cover, and the horizontal width of this microscler left riser is not less than the trailing edge of exhaust apparatus to the horizontal range between wall, and the facade length of this microscler left riser is not less than the height of platform to microscler left riser bottom; To be defined as front end near user's direction, to define left side and right side with user in the face of the direction of this exhaust apparatus; The front end right flank of this left riser is provided with the first diversion division of an arc; And
One microscler right riser, is fixed on below the right flank of air-suction cover, and the horizontal width of this microscler right riser is not less than the trailing edge of exhaust apparatus to the horizontal range between wall, and the facade length of this microscler right riser is not less than the height of platform to microscler right riser bottom; The front end left surface of this right riser is provided with the second diversion division of an arc.
4. the smoke exhaust with disturbance rejection gas flow capability as described in any one claim in claim 1-3, it is characterized in that, the front end of this platform is provided with a thin-and-long air blowing end, this thin-and-long is blown and is held the thin-and-long inflatable mouth that is provided with a corresponding thin-and-long bleeding point, upwards spray air jet for thin-and-long inflatable mouth with angle of inclination, and this air jet while entering thin-and-long bleeding point forms an oblique gas curtain between thin-and-long inflatable mouth and thin-and-long bleeding point.
5. the smoke exhaust with disturbance rejection gas flow capability as described in any one claim in claim 1-3, it is characterized in that, this air collecting box is provided with a base plate, this thin-and-long bleeding point is formed on base plate, and the plate face of this base plate is provided with an oily frame of gear, by base plate, protruding upward and frame is trapped among the surrounding of thin-and-long bleeding point to this gear oil frame.
6. have a smoke exhaust for disturbance rejection gas flow capability, be arranged on the top of a platform, the table top of this platform is provided with an exhaust apparatus, and this smoke exhaust comprises:
An air-suction cover, its bottom is provided with a long and narrow and downward opening bleeding point, and this thin-and-long bleeding point is communicated with an air extractor, for upwards aspirating air; And this thin-and-long bleeding point is arranged on the centre position of front end face and the rear end face of air-suction cover, and parallel this front end face and this rear end face;
A microscler left riser, be fixed on the middle below of the left surface of air-suction cover, the horizontal width of this microscler left riser is not less than the horizontal width of the left surface of 1/4 air-suction cover, for the left surface that covers exhaust apparatus, the facade length of this microscler left riser is not less than the height of platform to microscler left riser bottom; And
A microscler right riser, be fixed on the middle below of the right flank of air-suction cover, the horizontal width of this microscler right riser is not less than the horizontal width of the right flank of 1/4 air-suction cover, for the right flank that covers exhaust apparatus, the facade length of this microscler right riser is not less than the height of platform to microscler right riser bottom.
7. the smoke exhaust with disturbance rejection gas flow capability as claimed in claim 6, it is characterized in that, the front and back ends of this platform is respectively equipped with a thin-and-long air blowing end, these two thin-and-longs are blown and are held the thin-and-long inflatable mouth that is respectively equipped with a corresponding thin-and-long bleeding point, for upwards spraying air jet with angle of inclination correspondence respectively, and this air jet while simultaneously entering thin-and-long bleeding point forms the oblique gas curtain that two roads are corresponding between thin-and-long bleeding point and two thin-and-long inflatable mouths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110033572.6A CN102620331B (en) | 2011-01-31 | 2011-01-31 | Range hood with anti-turbulence capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110033572.6A CN102620331B (en) | 2011-01-31 | 2011-01-31 | Range hood with anti-turbulence capacity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102620331A CN102620331A (en) | 2012-08-01 |
| CN102620331B true CN102620331B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110033572.6A Active CN102620331B (en) | 2011-01-31 | 2011-01-31 | Range hood with anti-turbulence capacity |
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| Country | Link |
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| CN (1) | CN102620331B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676686B (en) * | 2013-12-03 | 2017-04-12 | 黄荣芳 | Range hood |
| CN104848276B (en) * | 2014-02-17 | 2018-06-19 | 黄荣芳 | Oil smoke removing apparatus |
| CN112630468B (en) * | 2020-11-18 | 2023-06-30 | 天津大学 | PIV technology-based range hood escape amount testing device and method |
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| US4153044A (en) * | 1978-01-23 | 1979-05-08 | Nett Louis A | Backshelf ventilating hood |
| JPH03137444A (en) * | 1984-06-06 | 1991-06-12 | Maysteel Corp | Rear shelf-compensation-type exhaust hood device |
| JP2003156241A (en) * | 2001-12-04 | 2003-05-30 | Mitsuo Sato | Air curtain forming device |
| CN2559909Y (en) * | 2002-07-23 | 2003-07-09 | 游秀珍 | Airflow screen exhauster for removing kitchen fumes |
| CN101598360A (en) * | 2008-06-06 | 2009-12-09 | 黄荣芳 | Pollutant discharge and use the double gas curtain oil fume extractor of this device |
| CN101713559A (en) * | 2008-10-06 | 2010-05-26 | 黄荣芳 | Pollutant discharge device and oblique single air curtain type range hood using same |
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2011
- 2011-01-31 CN CN201110033572.6A patent/CN102620331B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4153044A (en) * | 1978-01-23 | 1979-05-08 | Nett Louis A | Backshelf ventilating hood |
| JPH03137444A (en) * | 1984-06-06 | 1991-06-12 | Maysteel Corp | Rear shelf-compensation-type exhaust hood device |
| JP2003156241A (en) * | 2001-12-04 | 2003-05-30 | Mitsuo Sato | Air curtain forming device |
| CN2559909Y (en) * | 2002-07-23 | 2003-07-09 | 游秀珍 | Airflow screen exhauster for removing kitchen fumes |
| CN101598360A (en) * | 2008-06-06 | 2009-12-09 | 黄荣芳 | Pollutant discharge and use the double gas curtain oil fume extractor of this device |
| CN101713559A (en) * | 2008-10-06 | 2010-05-26 | 黄荣芳 | Pollutant discharge device and oblique single air curtain type range hood using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102620331A (en) | 2012-08-01 |
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Effective date of registration: 20240621 Address after: Hsinchu County, Taiwan, China Patentee after: Chengjing Smart Home Co.,Ltd. Country or region after: TaiWan, China Address before: Taipei City, Taiwan, China Patentee before: Huang Rongfang Country or region before: TaiWan, China |