CN104949172A - Serial double-fan-type range hood - Google Patents
Serial double-fan-type range hood Download PDFInfo
- Publication number
- CN104949172A CN104949172A CN201410119596.7A CN201410119596A CN104949172A CN 104949172 A CN104949172 A CN 104949172A CN 201410119596 A CN201410119596 A CN 201410119596A CN 104949172 A CN104949172 A CN 104949172A
- Authority
- CN
- China
- Prior art keywords
- blower fan
- fan
- range hood
- air
- upper chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 239000003517 fume Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 abstract description 17
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006233 lamp black Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a serial double-fan-type range hood comprising an outer fan cover and a smoke collecting cover, wherein the outer fan cover is internally provided with a primary fan and a secondary fan which are connected in series; and an air outlet of the primary fan is communicated with an air inlet of the secondary fan through a fluid. The serial double-fan-type range hood is characterized in that the outer fan cover is divided into an upper chamber and a low chamber, wherein the primary fan is arranged in the lower chamber; the secondary fan is arranged in the upper chamber; the air outlet of the primary fan is the only one air inlet of the upper chamber; and the air outlet of the secondary fan is the only one air outlet of the upper chamber. Compared with the prior art, the serial double-fan-type range hood has the advantages that the outer fan cover is divided into the upper chamber and the lower chamber, the primary fan is arranged in the lower chamber, the secondary fan is arranged in the upper chamber, and the primary fan and the secondary fan can be connected without an air guide connecting tube, so that the mounting structures of the primary fan and the secondary fan become relatively simple on the premise of ensuring the static pressures of the fans.
Description
Technical field
The present invention relates to a kind of range hood, especially relate to a kind of series connection two fans type range hood.
Background technology
Range hood air draft flow in a state of use depends primarily on the blast of cooking-fume exhauster blower system, and blast is larger, and air draft flow is also larger.The range hood of normal domestic use in use, oil smoke needs to be discharged by oil smoke by drag devices such as smoke exhaust pipe, check (non-return) valve and discharge flues, the existence of these drag devices, makes oil smoke there is certain back pressure at oil smoke outlet place, and the existence of back pressure can affect the air draft flow of lampblack absorber greatly.The discharge air flow of blast to range hood of blower fan system measures positive role, and the existence of back pressure then measures negative consequence to the discharge air flow of range hood.
In order to overcome the harmful effect that back pressure is brought as far as possible, at present, people have devised the range hood of two fans series connection, the range hood of this two fans series connection increases the blast of blower fan system by coupling primary and secondary two-stage blower fan, make blower fan system in a state of use, even if there is larger back pressure also can obtain larger air draft flow, and the rotating speed of primary and secondary two-stage blower fan is without the need to too high, noise is less, can meet the requirement of the efficient quiet suction of lampblack absorber.But, because the air outlet of existing main blower fan is connected by wind-guiding tube connector with the air inlet of secondary blower fan, although the flow field of blower fan is better, noise is lower, but because primary and secondary two-stage blower fan also needs to connect with wind-guiding tube connector when mounted, thus the mounting structure of blower fan is comparatively complicated, installs comparatively time-consuming.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, provides a kind of mounting structure of primary and secondary two-stage blower fan comparatively simply to connect two fans type range hood.
The present invention solves the problems of the technologies described above adopted technical scheme: this series connection two fans type range hood, comprise blower hood and exhaust fume collecting hood, the main blower fan of series connection mutually and secondary blower fan is provided with in described blower hood, the air outlet of described main blower fan and the air inlet configured in fluid communication of secondary blower fan, it is characterized in that: described blower hood is divided into upper and lower two-layer chamber, described main blower fan is arranged on bottom chamber, described secondary blower fan is arranged in upper chamber, the air outlet of described main blower fan is unique air inlet of described upper chamber, the air outlet of described secondary blower fan is unique air outlet of described upper chamber.
Preferably, mutually closed by dividing plate between described lower chambers and upper chamber and isolate, described dividing plate has the air vent communicated with the air outlet of main blower fan, be provided with air-out oralia at the top of upper chamber, described air-out oralia has the air vent communicated with the air outlet of described secondary blower fan.Like this, the oil smoke flowed out from the air outlet of main blower fan enters upper chamber by the air vent of dividing plate, and the oil smoke flowed out from the air outlet of secondary blower fan enters the discharge pipe of range hood by the air vent of air-out oralia.
Main blower fan and secondary blower fan can have various position relationship, and a kind of scheme is, described main blower fan and secondary blower fan are for vertically to be arranged in parallel.
Preferred as such scheme, the air inlet of described main blower fan is towards to parallel with the front of range hood or perpendicular.
Another program of the position relationship of main blower fan and secondary blower fan is, described main blower fan and secondary blower fan are for all vertically to arrange, and both air inlets are towards orthogonal.
The another scheme of the position relationship of main blower fan and secondary blower fan is, described main blower fan and secondary blower fan are that oblique parallel is arranged.
Preferred as such scheme, the side of described main blower fan its air inlet dorsad forms lower closed chamber in described lower chambers, described secondary blower fan dorsad its air inlet side with in described upper chamber, form closed chamber.Like this, because oil smoke can not enter lower closed chamber and upper closed chamber, thus can improve the flow field of blower fan and reduce the noise of blower fan.In this technical scheme, main blower fan and/or secondary blower fan can only adopt the blower fan of single air intake
For the technical scheme that primary and secondary two-stage blower fan is not oblique parallel setting, described main blower fan and/or secondary blower fan can adopt two intake blower, also can adopt single intake blower.
Compared with prior art, the invention has the advantages that: because this series connection two fans type range hood is by being divided into upper and lower two chambers by blower hood, main assembling is in bottom chamber, secondary assembling is in upper chamber, and because main blower fan and secondary blower fan do not need to be connected by wind-guiding tube connector, thus, under the guaranteed prerequisite of the static pressure of blower fan, the mounting structure of primary and secondary two-stage blower fan can be made to become comparatively simple.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of the present invention one;
Fig. 2 is the side view of range hood shown in Fig. 1;
Fig. 3 is the front view of the embodiment of the present invention two;
Fig. 4 is the side view of range hood shown in Fig. 3;
Fig. 5 is the structural representation of the embodiment of the present invention three.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one: as depicted in figs. 1 and 2, series connection two fans type range hood in the present embodiment comprises blower hood 1 and exhaust fume collecting hood 2, exhaust fume collecting hood 2 is arranged on the bottom of blower hood 1, main blower fan 3 and the secondary blower fan 4 of series connection is mutually provided with in described blower hood 1, main blower fan 3 and secondary blower fan 4 are centrifugal blower, main fan outlet 32 and secondary air inlet 41 configured in fluid communication.Blower hood 1 is divided into upper and lower two-layer chamber, described main blower fan 3 is arranged in lower chambers 11, described secondary blower fan 4 is arranged in upper chamber 12, upper chamber 12 forms one and closes chamber, described main fan outlet 32 is unique air inlet of this upper chamber 12, and described secondary fan outlet 42 is unique air outlet of this upper chamber 12.Particularly, mutually closed by dividing plate 5 between lower chambers 11 and upper chamber 12 and isolate, dividing plate 5 has air vent, and main fan outlet 32 is directly installed on the air vent of dividing plate 5, and the oil smoke flowed out from main fan outlet 32 enters upper chamber 12 by the air vent of dividing plate 5; Air-out oralia 6 is provided with at the top of upper chamber 12, air-out oralia 6 has air vent, secondary fan outlet 42 is directly installed on the air vent of air-out oralia 6, the discharge pipe (not shown) of range hood is installed on the air vent of air-out oralia 6, and the oil smoke flowed out from secondary fan outlet 42 enters the discharge pipe of range hood by the air vent of air-out oralia 6.
In the present embodiment, main blower fan 3 and secondary blower fan 4 are for vertically to be arranged in parallel, and main air inlet 31 parallels towards with the front of range hood.In addition, in order to improve smoke absorption effect, main blower fan 3 and secondary blower fan 4 all have employed two intake blower.Although, wind-guiding tube connector is not had to connect between primary and secondary two-stage blower fan in the present embodiment, can make that the flow field of blower fan is deteriorated relatively to a certain extent, noise improves, but the maximum static pressure of blower fan system still effectively can be ensured, the overall air draft flow of blower fan can not decline too much.
During range hood work, the direction of arrow shown in Fig. 1 be oil smoke flow to, under the effect of primary and secondary two-stage blower fan, first, oil smoke is inhaled into main air inlet 31 by air inlet of kitchen ventilator 21, then, flows into secondary air inlet 41 from main fan outlet 32, finally, be discharged in the discharge pipe of range hood from secondary fan outlet 42.
Embodiment two: as shown in Figure 3 and Figure 4, main blower fan 3 in series connection two fans type range hood in the present embodiment and secondary blower fan 4 are for vertically to be arranged in parallel, and main air inlet 31 is towards perpendicular with the front of range hood, the range hood of the direction of arrow shown in Fig. 4 work time oil smoke flow to.All the other structures of the range hood of the present embodiment are identical with the structure of the range hood in embodiment one, do not launch to describe at this.
Embodiment three: as shown in Figure 5, main blower fan 3 in series connection two fans type range hood in the present embodiment and secondary blower fan 4 are oblique parallel setting, main blower fan 3 and secondary blower fan 4 are single admission, and, main blower fan 3 dorsad its air inlet side lower chambers 11 formed under closed chamber 111, secondary blower fan 4 dorsad its air inlet side with in upper chamber 12, form closed chamber 121.The oil smoke flow during work of shown by arrow direction range hood to, during range hood work, oil smoke can not enter lower closed chamber 111 and upper closed chamber 121, thus can improve the flow field of blower fan and reduce the noise of blower fan.All the other structures of the range hood of the present embodiment are identical with the structure of the range hood in embodiment one, do not launch to describe at this.
Claims (8)
1. a series connection two fans type range hood, comprise blower hood (1) and exhaust fume collecting hood (2), main blower fan (3) and the secondary blower fan (4) of series connection is mutually provided with in described blower hood (1), the air outlet of described main blower fan (3) and the air inlet configured in fluid communication of secondary blower fan (4), it is characterized in that: described blower hood (1) is divided into upper and lower two-layer chamber, described main blower fan (3) is arranged in lower chambers (11), described secondary blower fan (4) is arranged in upper chamber (12), the air outlet of described main blower fan (3) is unique air inlet of described upper chamber (12), the air outlet of described secondary blower fan (4) is unique air outlet of described upper chamber (12).
2. series connection two fans type range hood according to claim 1, it is characterized in that: mutually closed by dividing plate (5) between described lower chambers (11) and upper chamber (12) and isolate, described dividing plate (5) has the air vent communicated with the air outlet of main blower fan (3), be provided with air-out oralia (6) at the top of upper chamber (12), described air-out oralia (6) has the air vent communicated with the air outlet of described secondary blower fan (4).
3. series connection two fans type range hood according to claim 1, is characterized in that: described main blower fan (3) and secondary blower fan (4) are for vertically to be arranged in parallel.
4. series connection two fans type range hood according to claim 3, is characterized in that: the air inlet of described main blower fan (3) is towards to parallel with the front of range hood or perpendicular.
5. series connection two fans type range hood according to claim 1, is characterized in that: described main blower fan (3) and secondary blower fan (4) are vertical setting, and both air inlets are towards orthogonal.
6. series connection two fans type range hood according to claim 1, is characterized in that: described main blower fan (3) and secondary blower fan (4) are oblique parallel setting.
7. series connection two fans type range hood according to claim 6, it is characterized in that: the side of described main blower fan (3) its air inlet dorsad forms lower closed chamber (111) in described lower chambers (11), described secondary blower fan (4) dorsad its air inlet side and in described upper chamber (12), form closed chamber (121).
8. the series connection two fans type range hood according to claim arbitrary in claim 1 to 5, is characterized in that: described main blower fan (3) and/or secondary blower fan (4) are two intake blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119596.7A CN104949172A (en) | 2014-03-27 | 2014-03-27 | Serial double-fan-type range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119596.7A CN104949172A (en) | 2014-03-27 | 2014-03-27 | Serial double-fan-type range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104949172A true CN104949172A (en) | 2015-09-30 |
Family
ID=54164050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410119596.7A Pending CN104949172A (en) | 2014-03-27 | 2014-03-27 | Serial double-fan-type range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104949172A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327881A (en) * | 2016-04-28 | 2017-11-07 | 吴克忠 | A kind of smoke exhaust ventilator |
| CN107957084A (en) * | 2018-01-04 | 2018-04-24 | 闫博文 | A kind of Temperature Control Type kitchen ventilator |
| CN110186086A (en) * | 2019-05-19 | 2019-08-30 | 宁波方太厨具有限公司 | A kind of series connection two fans type range hood and its flow control methods |
| CN110186088A (en) * | 2019-05-19 | 2019-08-30 | 宁波方太厨具有限公司 | A kind of series connection two fans type range hood and its flow control methods |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277047Y (en) * | 1996-11-06 | 1998-03-25 | 史占京 | Strong cooker hood |
| CN2511896Y (en) * | 2001-08-14 | 2002-09-18 | 林官宝 | Series connected cooker hood |
| EP1840057A2 (en) * | 2006-03-28 | 2007-10-03 | Canon Kabushiki Kaisha | Sheet feeding device and image forming apparatus |
| CN201159494Y (en) * | 2008-01-12 | 2008-12-03 | 鞠俊 | Axial flow type series connection multifunctional fume exhauster |
| CN202338944U (en) * | 2011-12-15 | 2012-07-18 | 张保国 | Dual-air-flue smoke exhaust ventilator |
| CN103363563A (en) * | 2013-06-21 | 2013-10-23 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN204006204U (en) * | 2014-03-27 | 2014-12-10 | 宁波方太厨具有限公司 | The two fan type range hoods of a kind of series connection |
-
2014
- 2014-03-27 CN CN201410119596.7A patent/CN104949172A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277047Y (en) * | 1996-11-06 | 1998-03-25 | 史占京 | Strong cooker hood |
| CN2511896Y (en) * | 2001-08-14 | 2002-09-18 | 林官宝 | Series connected cooker hood |
| EP1840057A2 (en) * | 2006-03-28 | 2007-10-03 | Canon Kabushiki Kaisha | Sheet feeding device and image forming apparatus |
| CN201159494Y (en) * | 2008-01-12 | 2008-12-03 | 鞠俊 | Axial flow type series connection multifunctional fume exhauster |
| CN202338944U (en) * | 2011-12-15 | 2012-07-18 | 张保国 | Dual-air-flue smoke exhaust ventilator |
| CN103363563A (en) * | 2013-06-21 | 2013-10-23 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN204006204U (en) * | 2014-03-27 | 2014-12-10 | 宁波方太厨具有限公司 | The two fan type range hoods of a kind of series connection |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327881A (en) * | 2016-04-28 | 2017-11-07 | 吴克忠 | A kind of smoke exhaust ventilator |
| CN107327881B (en) * | 2016-04-28 | 2023-09-05 | 吴克忠 | Fume exhaust fan |
| CN107957084A (en) * | 2018-01-04 | 2018-04-24 | 闫博文 | A kind of Temperature Control Type kitchen ventilator |
| CN110186086A (en) * | 2019-05-19 | 2019-08-30 | 宁波方太厨具有限公司 | A kind of series connection two fans type range hood and its flow control methods |
| CN110186088A (en) * | 2019-05-19 | 2019-08-30 | 宁波方太厨具有限公司 | A kind of series connection two fans type range hood and its flow control methods |
| CN110186086B (en) * | 2019-05-19 | 2020-07-28 | 宁波方太厨具有限公司 | Series double-fan type range hood and flow control method thereof |
| CN110186088B (en) * | 2019-05-19 | 2024-02-20 | 宁波方太厨具有限公司 | Series double-fan type range hood and flow control method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150930 |
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| RJ01 | Rejection of invention patent application after publication |