CN102345888B - There is range hood and the manufacture method thereof of electric heater unit - Google Patents
There is range hood and the manufacture method thereof of electric heater unit Download PDFInfo
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- CN102345888B CN102345888B CN201010246730.1A CN201010246730A CN102345888B CN 102345888 B CN102345888 B CN 102345888B CN 201010246730 A CN201010246730 A CN 201010246730A CN 102345888 B CN102345888 B CN 102345888B
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- spiral case
- heating tube
- electric heater
- heater unit
- range hood
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Abstract
A kind of range hood with electric heater unit, it comprises spiral case, be arranged on rotating fan in spiral case, and electric heater unit, wherein this electric heater unit is fixed on the housing of spiral case, its major part is arranged in the endoporus of spiral case, and this electric heater unit is bent to form by the elongated member of tubulose, and bending after the bearing of trend of tubular elongated element in endoporus consistent with the rotation direction of fan in spiral case.The invention also discloses a kind of manufacture method with the range hood of electric heater unit.
Description
[technical field]
The present invention relates to a kind of range hood, refer in particular to a kind of range hood and the manufacture method thereof with electric heater unit.
[background technology]
The range hood with electric heater unit is in the industry cycle used widely, the application number of the applicant be 200810244424.7 Chinese invention patent application disclosed this range hood.With reference to figure 1 and Fig. 2, particularly Fig. 2, after electric heater unit is encased in the endoporus of the spiral case of range hood, the bearing of trend of heating tube 2 in endoporus is basically perpendicular to the rotation direction of the fan in spiral case, the drawback of this structure is: the flue gas stream produced when the flabellum of fan rotates can constantly be collided with some row's heating tube 2 phases be arranged in spiral case endoporus, thus the stability of disturbing flow in spiral case, flue gas stream is cut by heating tube 2 and also can be produced larger noise simultaneously, and above two drawbacks are all unfavorable for the performance promoting lampblack absorber further.
[summary of the invention]
The object of the present invention is to provide a kind of range hood with improved electric heater unit.
Another object of the present invention is to provide a kind of manufacture method with the range hood of improved electric heater unit.
Correspondingly, the range hood with electric heater unit of one embodiment of the present invention, it comprises spiral case, be arranged on rotating fan in spiral case, and electric heater unit, wherein this electric heater unit is fixed on the housing of spiral case, and its major part is arranged in the endoporus of spiral case, this electric heater unit is bent to form by the elongated member of tubulose, and bending after the bearing of trend of tubular elongated element in endoporus consistent with the rotation direction of fan in spiral case.
As a further improvement on the present invention, the stereo heating tube array that the hole size that tubular elongated element after described bending forms a size and spiral case in the endoporus of spiral case matches, the bearing of trend of this heating tube array in the endoporus of spiral case is consistent with the rotation direction of fan in spiral case.
As a further improvement on the present invention, tubular elongated element after described bending is fixed on spiral case by independently fixture, described fixture comprises the fixed support of " L " type, this support bracket fastened one end is fixed on the lateral surface of spiral case, the other end is arranged in the endoporus of spiral case and has the buckle that several correspond to heating tube array, and this buckle blocks corresponding heating tube.
As a further improvement on the present invention, the elongated member of the tubulose stated comprises tubular metal shell and is contained in the electrical heating elements in metal shell.
Correspondingly, the manufacture method with the range hood of electric heater unit of one embodiment of the present invention, wherein this range hood comprises the spiral case with endoporus and is arranged on rotating fan in spiral case, and it is characterized in that, the method comprises the steps:
A () provides a straight elongated electric heating tube;
B (), by these elongated electric heating tube plane continuous bending several times, forms the heating tube array of almost parallel extension in some rows plane;
C the heating tube array of this plane bends by () further, the stereo heating tube array that the hole size forming a size and spiral case matches;
D this stereo heating tube array is fixed on the housing of spiral case by (), make its major part be arranged in the endoporus of spiral case, and the bearing of trend of the heating tube array of the almost parallel extension of described some rows in the endoporus of spiral case is consistent with the rotation direction of fan in spiral case.
As a further improvement on the present invention, described step (b) comprises the symmetrical bending from its two ends of this elongated electric heating tube, is formed in symmetrical heating tube array in a plane.
As a further improvement on the present invention, described step (c) comprises provides a mould matched with the hole size of spiral case, and the outer surface of the heating tube array of this plane along this mould is bent relatively from its two ends, thus the stereo heating tube array that the hole size forming size and spiral case matches.
As a further improvement on the present invention, described step (d) comprises the fixed support providing " L " type, this support bracket fastened one end is threaded connection or is riveted to be fixed on the lateral surface of spiral case, to be inserted by this support bracket fastened other end in the endoporus of spiral case and to make several buckles corresponding to heating tube array on it block corresponding heating tube.
The invention has the beneficial effects as follows: structure is improved, and the bearing of trend of heating tube is consistent with the direction of rotation of lampblack absorber fan, avoids heating tube at the cutting noise produced when blast fan rotates; The manufacturing process of heating tube is simple, only needs simple mould to complete.
[Brief Description Of Drawings]
Fig. 1 is a kind of schematic diagram of existing electric heater unit.
Fig. 2 is the position view that the electric heater unit in Fig. 1 is arranged in range hood.
Fig. 3 a to Fig. 3 d is the manufacture process schematic diagram of the electric heater unit of one embodiment of the present invention.
Fig. 4 a to Fig. 4 c is the manufacture process schematic diagram of the electric heater unit of another embodiment of the invention.
Fig. 5 is the position view that the electric heater unit in Fig. 3 d is arranged in range hood.
Fig. 6 is schematic perspective view electric heater unit being arranged on the fixture of range hood in Fig. 5.
Fig. 7 is the enlarged schematic partial view that the electric heater unit in Fig. 4 c is arranged in spiral case by the fixture in Fig. 6.
[detailed description of the invention]
The present invention relates to a kind of range hood and the manufacture method thereof with electric heater unit.Range hood of the present invention is commonly referred to as European type cooker hood common on market, this lampblack absorber is generally by the housing with oil smoke passage, be arranged on the spiral case in oil smoke passage, install by the fan of electrical motor driven in spiral case, and the oil pooling hood be arranged on below spiral case and catchment cup etc., the structure of this lampblack absorber is well known for ordinary skill in the art.Therefore repeat no more in the specific embodiment of the present invention.Embodiments of the present invention only provide the schematic diagram with the spiral case of the maximally related range hood of difference technical characteristic of the present invention in Fig. 5 and Fig. 7.
For the ease of understanding, first describe the structure with the spiral case of the range hood of electric heater unit of the present invention in detail.
With reference to figure 5, the range hood 3 of one embodiment of the present invention comprises housing 30, and endoporus 32 is provided with air outlet 34 on the top of spiral case 3, connects oil collector sump tank 36 in the lower end of spiral case.Housing 30 has the inner space of annular, is arranged in this inner space by the fan 4 of electrical motor driven.Electric heater unit 1 is arranged in endoporus 32, the stereo heating tube array that the hole size that electric heater unit 1 forms a size and spiral case 3 by the elongated member 10 of tubulose after several times bend matches, the size of this stereo heating tube array and the hole size of spiral case match, and bearing of trend in the endoporus of spiral case 3 is consistent with the rotation direction of fan in spiral case.What the direction " R " in Fig. 5 represented is the direction of rotation of fan in spiral case 3, and the bearing of trend of some row's tubular elongated element 10 after bending parallels with direction " R " substantially, such design at utmost avoids the cutting noise that heating tube produces at the air-flow produced when blast fan rotates and heating tube collision friction.
Stereo heating tube array is fixed on the lateral surface of housing 30 of spiral case 3 by fixture 5.With reference to figure 5, Fig. 6, Fig. 5, fixture 5 comprises the fixed support of " L " type, this support bracket fastened one end 50 has locating hole 500, by the mode of riveting or be threaded, support is fixed on the lateral surface of spiral case, the support bracket fastened other end 51 is arranged in the endoporus 32 of spiral case 3 and has the buckle 52 that several correspond to heating tube array, and this buckle 52 blocks corresponding heating tube 10.
Below describe the manufacture method with the range hood of electric heater unit of invention, mainly refer to and manufacture stereo heating tube array and the method attaching it to spiral case 3 kinds.What Fig. 3 a to Fig. 3 d showed is the manufacture process of the heating tube array of one embodiment of the present invention.
The first step, first with reference to figure 3a, the tubular elongated element 10 that one straight is provided, the elongated member 10 of described tubulose comprises tubular metal shell and is contained in the electrical heating elements 12 in metal shell, the electric heater unit 1 of the two common composition range hood of the present invention, it is pointed out that the length of the heating tube in Fig. 3 a might not correspond to the physical length of heating tube, Fig. 3 a is only to represent heating tube state before the bend.
Second step, with reference to figure 3b, straight tubular elongated element 10 bent from its two ends relative symmetry in a plane, line of symmetry is the dotted line " A " in Fig. 3 b, after several times bending, form the plane heating pipe array of almost parallel extension in some rows plane.
3rd step, with reference to figure 3c, a columniform mould 2 is first provided, the periphery week footpath size of this mould 2 is slightly less than the internal diameter size of the endoporus 32 of spiral case 3, then the plane heating pipe array that step 2 is formed is close to the outer surface of mould 2, and relatively bend along the profile of outer surface, the stereo heating tube array that the hole size forming a size and spiral case matches.
4th step, with reference to figure 3d, departs from this stereo heating tube array from mould 2, namely can be used for being installed in the endoporus 32 of spiral case 3.
What Fig. 4 a to Fig. 4 c showed is the manufacture process of the heating tube array of another embodiment of the invention.With reference to figure 4a, the elongated member 10 ' of the tubulose of electric heater unit 1 ' comprises tubular metal shell and is contained in the electrical heating elements 12 ' in metal shell, the electric heater unit 1 ' of the two common composition range hood of the present invention, it is to be noted, the length of the heating tube in Fig. 4 a might not correspond to the physical length of heating tube, and Fig. 4 a is only to represent heating tube state before the bend.
Second step, with reference to figure 4b, straight tubular elongated element 10 ' bent from its two ends relative symmetry in a plane, line of symmetry is the dotted line " A1 " in Fig. 4 b, after several times bending, form the plane heating pipe array of almost parallel extension in some rows plane.This plane heating pipe array comprises the first half 101 ' and the latter half 102 '.
3rd step, be similar to Fig. 3 c in the first embodiment, a columniform mould is first provided, the periphery week footpath size of this mould is slightly less than the internal diameter size of the endoporus 32 of spiral case 3, then the plane heating pipe array that step 2 is formed is close to the outer surface of mould 2, and relatively bend along the profile of outer surface, the stereo heating tube array that the hole size forming a size and spiral case matches.
4th step, with reference to figure 4c, departs from this stereo heating tube array from mould 2, namely can be used for being installed in the endoporus 32 of spiral case 3.With the first embodiment unlike, the corresponding stereo heating tube array portion formed of the first half 101 ' is positioned at the outside of the endoporus 32 of spiral case 3 when mounted, and the corresponding stereo heating tube array portion formed of the latter half 102 ' is arranged in the endoporus 32 of spiral case 3.
5th step, is installed to the stereo heating tube array in Fig. 3 d or Fig. 4 c in endoporus 32, makes the bearing of trend of the heating tube array of the almost parallel extension of described some rows in the endoporus of spiral case consistent with the rotation direction of fan in spiral case.
Integrate, the manufacture method with the range hood of electric heater unit comprises following entire protocol:
A () provides a straight elongated electric heating tube;
B (), by these elongated electric heating tube plane continuous bending several times, this elongated electric heating tube, from its two ends symmetry bending, forms the heating tube array of almost parallel extension in some rows plane;
C () provides a mould matched with the internal control size of spiral case, bent further by the heating tube array of this plane, the stereo heating tube array that the hole size forming a size and spiral case matches;
D () provides the fixed support of " L " type, this support bracket fastened one end is threaded connection or is riveted to be fixed on the lateral surface of spiral case, this support bracket fastened other end to be inserted in the endoporus of spiral case and to make several buckles corresponding to heating tube array on it block corresponding heating tube, thus this stereo heating tube array is fixed on the housing of spiral case, its major part is made to be arranged in the endoporus of spiral case, and the bearing of trend of the heating tube array of the almost parallel extension of described some rows in the endoporus of spiral case is consistent with the rotation direction of fan in spiral case.
It is more than better embodiment of the present invention; it is to be noted; those of ordinary skill in the art can based on the announcement of present embodiment; adaptive change is made on the basis of not paying creative work, and these reasonably change should within the protection domain of claim of the present invention.
Claims (9)
1. one kind has the range hood of electric heater unit, it comprises spiral case, be arranged on rotating fan in spiral case, and electric heater unit, wherein this electric heater unit is fixed on the housing of spiral case, and its major part is arranged in the endoporus of spiral case, it is characterized in that, this electric heater unit is bent to form by the elongated member of tubulose, and bending after the bearing of trend of tubular elongated element in endoporus consistent with the rotation direction of fan in spiral case.
2. there is the range hood of electric heater unit as claimed in claim 1, it is characterized in that, the stereo heating tube array that the hole size that tubular elongated element after described bending forms a size and spiral case in the endoporus of spiral case matches, the bearing of trend of heating tube in the endoporus of spiral case of this heating tube array is consistent with the rotation direction of fan in spiral case.
3. have the range hood of electric heater unit as claimed in claim 2, it is characterized in that, the stereo heating tube array that tubular elongated element after described bending is formed is fixed on spiral case by independently fixture.
4. there is the range hood of electric heater unit as claimed in claim 3, it is characterized in that, described fixture comprises the fixed support of " L " type, this support bracket fastened one end is fixed on the lateral surface of spiral case, the other end is arranged in the endoporus of spiral case and has the buckle that several correspond to heating tube array, and this buckle blocks corresponding heating tube.
5. as the above range hood with electric heater unit arbitrarily as described in one of claim, it is characterized in that, the elongated member of described tubulose comprises tubular metal shell and is contained in the electrical heating elements in metal shell.
6. have a manufacture method for the range hood of electric heater unit, wherein this range hood comprises the spiral case with endoporus and is arranged on rotating fan in spiral case, and it is characterized in that, the method comprises the steps:
A () provides a straight elongated electric heating tube;
B (), by this elongated electric heating tube continuous bending several times in a plane, forms the heating tube array of almost parallel extension in some rows plane;
C the heating tube array of this plane bends by () further, the stereo heating tube array that the hole size forming a size and spiral case matches;
D this stereo heating tube array is fixed on the housing of spiral case by (), make its major part be arranged in the endoporus of spiral case, and the bearing of trend of the heating tube of the heating tube array of the almost parallel extension of described some rows in the endoporus of spiral case is consistent with the rotation direction of fan in spiral case.
7. there is the manufacture method of the range hood of electric heater unit as claimed in claim 6, it is characterized in that, described step (b) comprises the symmetrical bending from its two ends of this elongated electric heating tube, is formed in symmetrical plane heating pipe array in a plane.
8. there is the manufacture method of the range hood of electric heater unit as claimed in claim 6, it is characterized in that, described step (c) comprises provides a mould matched with the hole size of spiral case, and the outer surface of the heating tube array of this plane along this mould is bent relatively from its two ends, thus the stereo heating tube array that the hole size forming size and spiral case matches.
9. there is the manufacture method of the range hood of electric heater unit as claimed in claim 6, it is characterized in that, described step (d) comprises the fixed support providing " L " type, this support bracket fastened one end is threaded connection or is riveted to be fixed on the lateral surface of spiral case, to be inserted by this support bracket fastened other end in the endoporus of spiral case and to make several buckles corresponding to heating tube array on it block corresponding heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010246730.1A CN102345888B (en) | 2010-07-30 | 2010-07-30 | There is range hood and the manufacture method thereof of electric heater unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010246730.1A CN102345888B (en) | 2010-07-30 | 2010-07-30 | There is range hood and the manufacture method thereof of electric heater unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102345888A CN102345888A (en) | 2012-02-08 |
| CN102345888B true CN102345888B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010246730.1A Expired - Fee Related CN102345888B (en) | 2010-07-30 | 2010-07-30 | There is range hood and the manufacture method thereof of electric heater unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN102345888B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930601B (en) * | 2015-06-25 | 2019-05-24 | 广东美的制冷设备有限公司 | A kind of air-conditioner outdoor unit and its control method of electrified heating device |
| CN108980934A (en) * | 2018-07-17 | 2018-12-11 | 绍兴市奥帅电器股份有限公司 | A kind of Simple kitchen ventilator and its manufacturing method |
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|---|---|---|---|---|
| CN86201019U (en) * | 1986-02-20 | 1986-12-03 | 吴振宇 | Hair drier with the function of dust-suction |
| EP0565933A1 (en) * | 1992-04-13 | 1993-10-20 | Robert Krups GmbH & Co. KG | Hairdryer with an IR radiator and a device indicating emission of the radiation |
| CN1140042A (en) * | 1995-04-28 | 1997-01-15 | 三星电子株式会社 | Hair dryer |
| CN1458832A (en) * | 2000-09-15 | 2003-11-26 | 路易斯·佩雷斯 | Portable hair dryer |
| CN1511487A (en) * | 2002-12-27 | 2004-07-14 | ���µ繤��ʽ���� | Hair drier with negative ion generator |
| CN201230384Y (en) * | 2008-07-08 | 2009-04-29 | 广州市新力金属有限公司 | Cellular ceramic disc type electric heater |
| CN101749775A (en) * | 2008-12-02 | 2010-06-23 | 博西华电器（江苏）有限公司 | Electric heating device used for range hood and range hood with the device |
| CN101749774A (en) * | 2008-12-02 | 2010-06-23 | 博西华电器（江苏）有限公司 | Range hood with electric heating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006150060A (en) * | 2004-11-30 | 2006-06-15 | Kica Inc | Drier |
-
2010
- 2010-07-30 CN CN201010246730.1A patent/CN102345888B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86201019U (en) * | 1986-02-20 | 1986-12-03 | 吴振宇 | Hair drier with the function of dust-suction |
| EP0565933A1 (en) * | 1992-04-13 | 1993-10-20 | Robert Krups GmbH & Co. KG | Hairdryer with an IR radiator and a device indicating emission of the radiation |
| CN1140042A (en) * | 1995-04-28 | 1997-01-15 | 三星电子株式会社 | Hair dryer |
| CN1458832A (en) * | 2000-09-15 | 2003-11-26 | 路易斯·佩雷斯 | Portable hair dryer |
| CN1511487A (en) * | 2002-12-27 | 2004-07-14 | ���µ繤��ʽ���� | Hair drier with negative ion generator |
| CN201230384Y (en) * | 2008-07-08 | 2009-04-29 | 广州市新力金属有限公司 | Cellular ceramic disc type electric heater |
| CN101749775A (en) * | 2008-12-02 | 2010-06-23 | 博西华电器（江苏）有限公司 | Electric heating device used for range hood and range hood with the device |
| CN101749774A (en) * | 2008-12-02 | 2010-06-23 | 博西华电器（江苏）有限公司 | Range hood with electric heating device |
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| Publication number | Publication date |
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| CN102345888A (en) | 2012-02-08 |
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Granted publication date: 20151125 Termination date: 20180730 |