CN201925994U - Exhaust fume collecting hood of rang hood and range hood - Google Patents
Exhaust fume collecting hood of rang hood and range hood Download PDFInfo
- Publication number
- CN201925994U CN201925994U CN2011200089553U CN201120008955U CN201925994U CN 201925994 U CN201925994 U CN 201925994U CN 2011200089553 U CN2011200089553 U CN 2011200089553U CN 201120008955 U CN201120008955 U CN 201120008955U CN 201925994 U CN201925994 U CN 201925994U
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- hollow pipe
- circular arc
- disengagement chamber
- fume collecting
- exhaust fume
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Abstract
The utility model relates to an exhaust fume collecting hood of a rang hood, and a range hood with the exhaust fume collecting hood; the exhaust fume collecting hood comprises a shell, a separation cavity is arranged inside the shell, and an air inlet and an air outlet communicated with the separation cavity inside are arranged on the shell; the exhaust fume collecting hood is characterized in that oily fume can be exhausted from the separation cavity in a vortex rotating state after entering the separation cavity through the air inlet by adopting the structure of the separation cavity, and the outlet of the separation cavity is communicated with the air outlet. Compared with the prior art, the exhaust fume collecting hood has the advantages that the oily fume can form high-speed vortex rotation in the separation cavity after entering the separation cavity through the air inlet so as to generate strong centrifugal force; as the liquid is heavier than the gas in the oily fume, liquid can be thrown to the inner wall of the separation cavity along with the centrifugal force, gas is only left at the center area of the separation cavity, and then the gas is exhausted through the air outlet, so as to achieve the purpose of separating the oily fume in a high-efficiency manner; moreover, as a fan system can be kept to be clean and smooth, the cleaning period and the service life of the fan system can be prolonged.
Description
Technical field
The utility model relates to lampblack absorber has above-mentioned exhaust fume collecting hood with exhaust fume collecting hood and employing lampblack absorber.
Background technology
The oil smoke that the kitchen operation produces can serious infringement human body health, for this reason, in the modern kitchen furniture, lampblack absorber one of the apparatus that is absolutely necessary.Common lampblack absorber gas and oil separating plant generally adopts the screen pack (wire netting or plastic wire) of single or multiple lift to be placed in the guard shield of lampblack absorber air inlet at present, when oil smoke process single or multiple lift screen pack, through filtering oil droplet is separated.The filtering holes of the filter of this structure can not be accomplished infinitely small, flue gas separative efficiency for containing water vapor, oil droplet and small solid particle is low, the direct discharge of gas after the filtration is outdoor still to pollute environment, also can further pollute blower fan system simultaneously.And flue gas is after filtration during net filtration, and oil droplet can be attached on the grid, and the time can increase the resistance that fluid flows after having grown, and the power output of motor is increased, and the power consumption of lampblack absorber increases, and noise increases, and screen pack is difficult to clean.
The utility model content
First technical problem to be solved in the utility model is to provide a kind of lampblack absorber exhaust fume collecting hood that can efficiently separate oil smoke at above-mentioned prior art.
First technical problem to be solved in the utility model is to provide a kind of at above-mentioned prior art and can efficiently separate oil smoke, can keep totally lampblack absorber smoothly of lampblack absorber blower fan system.
The utility model solves the technical scheme that above-mentioned first technical problem adopted: this lampblack absorber exhaust fume collecting hood, comprise housing, enclosure interior is provided with disengagement chamber, housing is provided with air inlet and the exhaust outlet that is communicated with inner disengagement chamber, it is characterized in that: the structure of described disengagement chamber satisfies oil smoke and enters by described air inlet and can keep behind the disengagement chamber situation of whirlpool type rotation to discharge from the disengagement chamber outlet, and the disengagement chamber outlet is communicated with exhaust outlet.
Like this, oil smoke is after air inlet enters disengagement chamber, rotation at a high speed in disengagement chamber, can produce strong centrifugal force like this, because flowing fluid ratio gas is heavy in the oil smoke, so liquid can be thrown toward the disengagement chamber inwall along with centrifugal force, and the disengagement chamber central area is remaining gas only just, gas is discharged through the outlet and the exhaust outlet of disengagement chamber again, just can reach the purpose of efficient separation oil smoke.
Being configured with of described disengagement chamber is multiple, and the utility model provides two kinds of alternatives, and wherein a kind of scheme is: be provided with size identical hollow pipe in two ends in the described housing, have the opening of axial setting on this hollow pipe, this opening is described air inlet; The inner wall edge curve of this hollow pipe radial section excessively is formed by connecting by the multi-section circular arc slyness, above-mentioned multi-section circular arc radius reduces successively, the internal cavities of this hollow pipe is described disengagement chamber, the both ends open of this hollow pipe is the outlet of described disengagement chamber, and the opening that axially is provided with on the described hollow pipe is communicated with the hollow pipe internal cavities along the tangential direction of the inwall of described first circular arc.
Another kind of scheme is: be provided with the middle diminishing hollow pipe in two ends that expands in the described housing, have the opening of axial setting on this hollow pipe, this opening is described air inlet; The inner wall edge curve of this hollow pipe radial section excessively is formed by connecting by the multi-section circular arc slyness, above-mentioned multi-section circular arc radius reduces successively, the internal cavities of this hollow pipe is described disengagement chamber, the both ends open of this hollow pipe is the outlet of described disengagement chamber, and the opening that axially is provided with on the described hollow pipe is communicated with the hollow pipe internal cavities along the tangential direction of the inwall of described first circular arc.
Preferably, in above-mentioned two schemes, the inner wall edge curve of described hollow pipe radial section excessively is formed by connecting by first circular arc, second circular arc, three-arc and the 4th circular arc slyness, and the radius of first circular arc, second circular arc, three-arc and the 4th circular arc reduces successively.
Described hollow pipe along continuous straight runs in described housing is set to good, the benefit that horizontal direction is provided with hollow pipe is: the space that can effectively save disengagement chamber, can make the compact conformation of exhaust fume collecting hood, can keep the outward appearance of existing lampblack absorber, help on the family expenses lampblack absorber, realizing cyclonic separation.
Improve again, be projected in the concentric circle of circle on the described hollow pipe radial section through the art end points of described hollow pipe radial section inner wall edge curve final stage circular arc and with described hollow pipe both ends open, only intersect at the distal point of hollow pipe radial section inner wall edge curve final stage circular arc with the inner wall edge curve of described hollow pipe radial section.Like this, can better keep the smooth and easy of oil smoke separation, guarantee that the gas after oil smoke separates is discharged from the both ends open of hollow pipe smoothly.
Preferably, described air inlet is elongated.
Described enclosure interior is provided with two or four symmetrically arranged disengagement chambers.
The utility model solves above-mentioned second technical scheme that technical problem adopted: this lampblack absorber, comprise body, be provided with blower fan system in the body, body is provided with exhaust fume collecting hood, this exhaust fume collecting hood comprises housing, enclosure interior is provided with disengagement chamber, housing is provided with air inlet and the exhaust outlet that is communicated with inner disengagement chamber, it is characterized in that: the structure of described disengagement chamber satisfies oil smoke and enters by described air inlet and can keep behind the disengagement chamber situation of whirlpool type rotation to discharge from the disengagement chamber outlet, and the disengagement chamber outlet is communicated with exhaust outlet.
Same, the structure of described disengagement chamber can be realized by following scheme: be provided with size identical hollow pipe in two ends in the described housing, have the opening of axial setting on this hollow pipe, this opening is described air inlet; The inner wall edge curve of this hollow pipe radial section excessively is formed by connecting by the multi-section circular arc slyness, above-mentioned multi-section circular arc radius reduces successively, the internal cavities of this hollow pipe is described disengagement chamber, the both ends open of this hollow pipe is the outlet of described disengagement chamber, and the opening that axially is provided with on the described hollow pipe is communicated with the hollow pipe internal cavities along the tangential direction of the inwall of described first circular arc.
The structure of described disengagement chamber also can be realized by following scheme: be provided with the middle diminishing hollow pipe in two ends that expands in the described housing, have the opening of axial setting on this hollow pipe, this opening is described air inlet; The inner wall edge curve of this hollow pipe radial section excessively is formed by connecting by the multi-section circular arc slyness, above-mentioned multi-section circular arc radius reduces successively, the internal cavities of this hollow pipe is described disengagement chamber, the both ends open of this hollow pipe is the outlet of described disengagement chamber, and the opening that axially is provided with on the described hollow pipe is communicated with the hollow pipe internal cavities along the tangential direction of the inwall of described first circular arc.
In above-mentioned two schemes, the inner wall edge curve of described hollow pipe radial section excessively is formed by connecting better by first circular arc, second circular arc, three-arc and the 4th circular arc slyness, and the radius of first circular arc, second circular arc, three-arc and the 4th circular arc reduces successively.
And described hollow pipe is the along continuous straight runs setting in described housing.
Simultaneously, be projected in the concentric circle of circle on the described hollow pipe radial section through the distal point of described hollow pipe radial section inner wall edge curve final stage circular arc and with described hollow pipe both ends open, only intersect at the distal point of hollow pipe radial section inner wall edge curve final stage circular arc with the inner wall edge curve of described hollow pipe radial section.
Described air inlet is elongated.
Described enclosure interior is provided with two or four symmetrically arranged disengagement chambers.
Compared with prior art, advantage of the present utility model is: can keep the disengagement chamber of the situation of whirlpool type rotation from disengagement chamber outlet discharge by being provided with to construct to satisfy after oil smoke enters disengagement chamber by described air inlet, allow the disengagement chamber outlet be communicated with simultaneously with exhaust outlet, oil smoke is after air inlet enters disengagement chamber like this, in disengagement chamber, can form the type rotation of high speed whirlpool, thereby produce strong centrifugal force, because flowing fluid ratio gas is heavy in the oil smoke, therefore liquid can be thrown toward the disengagement chamber inwall along with centrifugal force, the disengagement chamber central area is remaining gas only just, gas is discharged through exhaust outlet again, just can reach the purpose of efficient separation oil smoke, the totally smooth and easy of blower fan system be can also keep, cleaning frequency and service life prolonged.
Description of drawings
Fig. 1 is the perspective view (seeing from top to bottom) of exhaust fume collecting hood among the utility model embodiment one;
Fig. 2 is the perspective view (seeing from the bottom up) of exhaust fume collecting hood among the utility model embodiment one;
Fig. 3 is the three-dimensional cutaway view one of exhaust fume collecting hood among the utility model embodiment one;
Fig. 4 is the three-dimensional cutaway view two of exhaust fume collecting hood among the utility model embodiment one;
Fig. 5 is the explosive view of exhaust fume collecting hood among the utility model embodiment one;
Fig. 6 is the radial section figure of exhaust fume collecting hood among the utility model embodiment one;
Fig. 7 is the perspective view of lampblack absorber among the utility model embodiment;
Fig. 8 moves towards schematic diagram for oil smoke in the lampblack absorber among the utility model embodiment;
Fig. 9 be among Fig. 7 A-A to cutaway view.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
The utility model at first provides the embodiment one of lampblack absorber with exhaust fume collecting hood, see also Fig. 1～shown in Figure 6, it comprises that roughly is a rectangular box-like housing 1, enclosure interior hollow, enclosure interior the right and left is symmetrically arranged with two disengagement chambers 2, the below of housing 1 is provided with the air inlet 11 that is communicated with disengagement chamber, and the housing top is provided with exhaust outlet 12.In the present embodiment, the structure of disengagement chamber is realized in the following manner: be provided with the identical hollow pipe of two ends size along horizontal direction in the housing, hollow pipe is near the housing bottom setting, and has the opening of axial setting on the hollow pipe, and this opening is described air inlet; The inner wall edge curve of this hollow pipe radial section is by the first circular arc AB, the second circular arc BC, three-arc CD and the 4th circular arc DE slyness excessively are formed by connecting, and the first circular arc AB, the second circular arc BC, the radius of three-arc CD and the 4th circular arc DE reduces successively, the internal cavities of this hollow pipe is described disengagement chamber, the both ends open of this hollow pipe is the outlet 21 of described disengagement chamber, disengagement chamber outlet 21 is communicated with exhaust outlet 12, and the axially open on the hollow pipe is communicated with the hollow pipe internal cavities along the tangential direction of the inwall of described first circular arc, and the axially open on the hollow pipe is elongated.
In addition, be projected in the circle of the circle concentric (center of circle O) on the described hollow pipe radial section through the distal point E of described hollow pipe radial section inner wall edge curve final stage circular arc and with described hollow pipe both ends open, only intersect at the distal point E of hollow pipe radial section inner wall edge curve final stage circular arc with the inner wall edge curve of described hollow pipe radial section.
The utility model also provides lampblack absorber another embodiment with exhaust fume collecting hood, and what this embodiment and embodiment one were different is, the interior hollow pipe of housing is that the centre is expanded two ends and dwindled gradually.Like this, the oil smoke mixture can diminish by flow area in disengagement chamber gradually, thereby air velocity is raise rapidly, better reaches the purpose of efficient separation oil smoke.
The utility model further provides a kind of lampblack absorber, see also Fig. 7～shown in Figure 9, it comprises body 3, is provided with blower fan system 4 in the body 3, the body below is equipped with the exhaust fume collecting hood 1 of said structure, and the exhaust outlet 12 of this exhaust fume collecting hood is communicated with the blower fan system 4 of body 1 inner chamber.
Oil smoke rises to after the exhaust fume collecting hood housing below, dull and stereotyped rectification through exhaust fume collecting hood housing 1 below, enter disengagement chamber 2 by air inlet 11 then, because of flow area diminishes suddenly air velocity is raise rapidly, in disengagement chamber 2, form the rotation of high speed volute then, can produce strong centrifugal force like this, because flowing fluid ratio gas is heavy in the oil smoke, therefore liquid can be thrown toward the disengagement chamber inwall along with centrifugal force, the disengagement chamber central area is remaining gas only just, gas is discharged through exhaust outlet 12 again, just can reach the purpose of efficient separation oil smoke.
Claims (16)
1. lampblack absorber exhaust fume collecting hood, comprise housing, enclosure interior is provided with disengagement chamber, housing is provided with air inlet and the exhaust outlet that is communicated with inner disengagement chamber, it is characterized in that: the structure of described disengagement chamber satisfies oil smoke and enters by described air inlet and can keep behind the disengagement chamber situation of whirlpool type rotation to discharge from the disengagement chamber outlet, and the disengagement chamber outlet is communicated with exhaust outlet.
2. lampblack absorber exhaust fume collecting hood according to claim 1 is characterized in that: be provided with size identical hollow pipe in two ends in the described housing, have the opening of axial setting on this hollow pipe, this opening is described air inlet; The inner wall edge curve of this hollow pipe radial section excessively is formed by connecting by the multi-section circular arc slyness, above-mentioned multi-section circular arc radius reduces successively, the internal cavities of this hollow pipe is described disengagement chamber, the both ends open of this hollow pipe is the outlet of described disengagement chamber, and the opening that axially is provided with on the described hollow pipe is communicated with the hollow pipe internal cavities along the tangential direction of the inwall of described first circular arc.
3. lampblack absorber exhaust fume collecting hood according to claim 1 is characterized in that: be provided with the middle diminishing hollow pipe in two ends that expands in the described housing, have the opening of axial setting on this hollow pipe, this opening is described air inlet; The inner wall edge curve of this hollow pipe radial section excessively is formed by connecting by the multi-section circular arc slyness, above-mentioned multi-section circular arc radius reduces successively, the internal cavities of this hollow pipe is described disengagement chamber, the both ends open of this hollow pipe is the outlet of described disengagement chamber, and the opening that axially is provided with on the described hollow pipe is communicated with the hollow pipe internal cavities along the tangential direction of the inwall of described first circular arc.
4. according to claim 2 or 3 described lampblack absorber exhaust fume collecting hoods, it is characterized in that: the inner wall edge curve of described hollow pipe radial section excessively is formed by connecting by first circular arc, second circular arc, three-arc and the 4th circular arc slyness, and the radius of first circular arc, second circular arc, three-arc and the 4th circular arc reduces successively.
5. according to claim 2 or 3 described lampblack absorber exhaust fume collecting hoods, it is characterized in that: described hollow pipe is the along continuous straight runs setting in described housing.
6. according to claim 2 or 3 described lampblack absorber exhaust fume collecting hoods, it is characterized in that: be projected in the concentric circle of circle on the described hollow pipe radial section through the distal point of described hollow pipe radial section inner wall edge curve final stage circular arc and with described hollow pipe both ends open, only intersect at the distal point of hollow pipe radial section inner wall edge curve final stage circular arc with the inner wall edge curve of described hollow pipe radial section.
7. according to claim 2 or 3 described lampblack absorber exhaust fume collecting hoods, it is characterized in that: described air inlet is elongated.
8. according to claim 2 or 3 described lampblack absorber exhaust fume collecting hoods, it is characterized in that: described enclosure interior is provided with two or four symmetrically arranged disengagement chambers.
9. lampblack absorber, comprise body, be provided with blower fan system in the body, body is provided with exhaust fume collecting hood, this exhaust fume collecting hood comprises housing, and enclosure interior is provided with disengagement chamber, and housing is provided with air inlet and the exhaust outlet that is communicated with inner disengagement chamber, it is characterized in that: the structure of described disengagement chamber satisfies oil smoke and enters by described air inlet and can keep behind the disengagement chamber situation of whirlpool type rotation to discharge from the disengagement chamber outlet, and the disengagement chamber outlet is communicated with exhaust outlet.
10. lampblack absorber according to claim 9 is characterized in that: be provided with size identical hollow pipe in two ends in the described housing, have the opening of axial setting on this hollow pipe, this opening is described air inlet; The inner wall edge curve of this hollow pipe radial section excessively is formed by connecting by the multi-section circular arc slyness, above-mentioned multi-section circular arc radius reduces successively, the internal cavities of this hollow pipe is described disengagement chamber, the both ends open of this hollow pipe is the outlet of described disengagement chamber, and the opening that axially is provided with on the described hollow pipe is communicated with the hollow pipe internal cavities along the tangential direction of the inwall of described first circular arc.
11. lampblack absorber according to claim 9 is characterized in that: be provided with the middle diminishing hollow pipe in two ends that expands in the described housing, have the opening of axial setting on this hollow pipe, this opening is described air inlet; The inner wall edge curve of this hollow pipe radial section excessively is formed by connecting by the multi-section circular arc slyness, above-mentioned multi-section circular arc radius reduces successively, the internal cavities of this hollow pipe is described disengagement chamber, the both ends open of this hollow pipe is the outlet of described disengagement chamber, and the opening that axially is provided with on the described hollow pipe is communicated with the hollow pipe internal cavities along the tangential direction of the inwall of described first circular arc.
12. according to claim 10 or 11 described lampblack absorbers, it is characterized in that: the inner wall edge curve of described hollow pipe radial section excessively is formed by connecting by first circular arc, second circular arc, three-arc and the 4th circular arc slyness, and the radius of first circular arc, second circular arc, three-arc and the 4th circular arc reduces successively.
13. according to claim 10 or 11 described lampblack absorbers, it is characterized in that: described hollow pipe is the along continuous straight runs setting in described housing.
14. according to claim 10 or 11 described lampblack absorbers, it is characterized in that: be projected in the concentric circle of circle on the described hollow pipe radial section through the distal point of described hollow pipe radial section inner wall edge curve final stage circular arc and with described hollow pipe both ends open, only intersect at the distal point of hollow pipe radial section inner wall edge curve final stage circular arc with the inner wall edge curve of described hollow pipe radial section.
15. according to claim 10 or 11 described lampblack absorbers, it is characterized in that: described air inlet is elongated.
16. according to claim 10 or 11 described lampblack absorbers, it is characterized in that: described enclosure interior is provided with two symmetrically arranged disengagement chambers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200089553U CN201925994U (en) | 2011-01-10 | 2011-01-10 | Exhaust fume collecting hood of rang hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200089553U CN201925994U (en) | 2011-01-10 | 2011-01-10 | Exhaust fume collecting hood of rang hood and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925994U true CN201925994U (en) | 2011-08-10 |
Family
ID=44429841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200089553U Expired - Lifetime CN201925994U (en) | 2011-01-10 | 2011-01-10 | Exhaust fume collecting hood of rang hood and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042629A (en) * | 2011-01-10 | 2011-05-04 | 宁波方太厨具有限公司 | Rang hood and exhaust fume collecting hood for range hood |
| CN109237557A (en) * | 2018-07-31 | 2019-01-18 | 浙江工业大学 | A kind of preposition spiral flow separator used for range hood |
-
2011
- 2011-01-10 CN CN2011200089553U patent/CN201925994U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042629A (en) * | 2011-01-10 | 2011-05-04 | 宁波方太厨具有限公司 | Rang hood and exhaust fume collecting hood for range hood |
| CN102042629B (en) * | 2011-01-10 | 2012-11-21 | 宁波方太厨具有限公司 | Rang hood and exhaust fume collecting hood for range hood |
| CN109237557A (en) * | 2018-07-31 | 2019-01-18 | 浙江工业大学 | A kind of preposition spiral flow separator used for range hood |
| CN109237557B (en) * | 2018-07-31 | 2023-11-17 | 浙江工业大学 | Front-mounted spiral cyclone separation device for range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110810 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |