CN101749775B - Electric heating device used for range hood and range hood with the device - Google Patents
Electric heating device used for range hood and range hood with the device Download PDFInfo
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- CN101749775B CN101749775B CN2008102444247A CN200810244424A CN101749775B CN 101749775 B CN101749775 B CN 101749775B CN 2008102444247 A CN2008102444247 A CN 2008102444247A CN 200810244424 A CN200810244424 A CN 200810244424A CN 101749775 B CN101749775 B CN 101749775B
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- electric heater
- heater unit
- range hood
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- electric heating
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Abstract
The present invention provides an electric heating device (1, 1' and 1'') used for a range hood and a range hood with the electric heating device. The electric heating device is characterized in that the electric heating device is formed by curving a tubular long and thin element a in a predetermined external shape matched with an installation part thereof. Because the electric heating device is formed by curving the long and thin element, the external overall shape of the device has flexible variability and can be designed according to the structure and the shape of the specific installation point. The range hood enables oil and/or grease attached to the profile of a fan device and contained in fume to warm or keep a warm state due to the application of the electric heating device, so compared with the existing rang hood, the whole machine has good performance in the aspects of low attachment and removal of greasy dirt.
Description
Technical field
The present invention relates to a kind of kitchen appliance annex and relevant electrical equipment, especially a kind of used for range hood electric heater unit and have the range hood of this device.
Background technology
Diet and culinary art custom because of the Asia, the oil smoke meeting of the kitchen inner accumulated in the family of Asia is many and grease-contained amount is bigger, the inside associated mechanisms and the parts of range hood, especially tend to adhere to a large amount of greases for whole range hood provides on the blower fan apparatus of running air-flow, cause range hood when work noise very big even can not normally use.In order to address this problem, the suppliers of range hood have proposed a lot of solutions, such as, it is wherein a kind of that the mechanism that directly contacts with oil smoke on the range hood or parts are heated.The patent No. is that the Chinese invention patent of ZL200620068054.2 has disclosed the side of a kind of side at the wind cabinet, casing or the technical scheme that place, the space between bottom surface, casing and the wind cabinet is provided with the heating degreasing unit.But this kind technical scheme can only the housing of wind cabinet be heated, and the shell area that is fully heated is also limited because the heating degreasing unit is arranged on the side of wind cabinet, therefore, to this place to remove the grease effect unsatisfactory.
Summary of the invention
First technical problem to be solved by this invention provides the improved electric heater unit of a kind of used for range hood.
Another technical problem to be solved by this invention provides a kind of range hood that has this improved electric heater unit.
The present invention with solving the technical scheme that above-mentioned first technical problem adopts is: a kind of used for range hood electric heater unit is characterized in that this electric heater unit is circumnutated by the elongated member a of tubulose and is predetermined external shape with its installation position coupling.Because heater of the present invention is circumnutated by elongated element and forms, so the changeability of the external overall shape of this device is very flexible, can design according to the structure and the shape of concrete installation place.
According to the specific embodiment of the present invention, further, in order to increase the mechanical strength of this electric heater unit, and the variation flexibility of concrete heating-up temperature and intensity, the elongated member a of described tubulose mainly comprises tubular metal shell and is contained in its interior electrical heating elements, metal shell can prevent to come from verify its invasion and attack of the power of this electric heater unit outside and corrosive goods, and the setting of the quantity of electrical heating elements in this housing also can be according to specific design needs concrete decision.
For with the central task parts of range hood, be the spiral case parts, concrete structure be complementary, the outer shape of described electric heater unit is three-dimensional shape and has the first that the spiral case endoporus with range hood fits and protrude in the fixed part that fits with range hood volute body front portion outside the described spiral case endoporus.
According to further embodiment of the present invention, for the overall mechanical strength that increases described electric heater unit and control its external overall shape better, described electric heater unit has also comprised the support of further supporting role.
According to another embodiment of the present invention, electric heater unit of the present invention can also be to be the shape on a plane by the circumnutate integral body that forms of elongated member, that is, the outer shape of described electric heater unit is the individual layer flat shape and is placed on the range hood volute body front portion.
According to an embodiment more of the present invention, electric heater unit of the present invention can also be to be the shape of general plane by the circumnutate integral body that forms of elongated member, but on the number of plies double-decker, that is, described electric heater unit outer shape is the double layer planar shape and is placed on the range hood volute body front portion.
According to basic design philosophy of the present invention and structural design; the described electrical heating elements of described electrical heating elements can be a resistance heater wire; certainly; other concrete enforcement means of utilizing other adaptable heater meanses to obtain by those skilled in the art's design according to the present invention are also within protection scope of the present invention.
According to the embodiment of the present invention, further, it is characterized in that, described electric heater unit (1,1 ', 1 ") also comprises earth connection (12).Earth connection the security performance that has increased this device is set, the generation of the phenomenon that prevents to get an electric shock.
According to the embodiment of the present invention, further, it is characterized in that, described electric heater unit, described resistance heater wire have hot junction and cold junction (5).Such design makes and press design that the position that should heat can obtain corresponding temperature rise, and in other connections or do not need the position of heating, and can not produce unnecessary or or even the temperature rise of interference entire machine performance.This kind design, the while has also been avoided energy dissipation and the utilization of energy is rationalized more.
According to the embodiment of the present invention; further; considering that aspect the manufacturing cost, the material of the tubular metal shell of described electric heater unit can be aluminium or brass, but other adaptable metals and nonmetallic materials are also within protection scope of the present invention.
According to further preferred implementation of the present invention, consider influence to kitchen and environment, and the actual demand of equipment use, the surface temperature of electric heater unit of the present invention should have its suitable scope that is provided with, the surface temperature T of described electric heater unit should be set to T≤160 ℃.
Further, more satisfactory ground can reach oil and/or fat are remained on warm easy flow regime and can not be heated the rotten state that produces oil smoke because of oil and/or fat, and the surface temperature of described electric heater unit is T, 80 ℃≤T≤100 ℃.
The present invention with solving the technical scheme that above-mentioned another technical problem adopts is: a kind of range hood, comprise the blower fan apparatus that has Blower Housing, described Blower Housing has endoporus and housing front portion, it is characterized in that, the anterior place of the described endoporus of described Blower Housing and/or described housing is provided with and includes that the present invention is arbitrary revolves electric heater unit mentioned in the technical scheme of enforcement, be used for heating blower device and via the oil smoke that is loaded with oil and/or fat and steam of this blower fan apparatus, thus make be attached on this blower fan apparatus profile and be contained in the state that oil in the oil smoke and/or fat warm and keeps warming up.Therefore the existing range hood that compares, range hood of the present invention have also possessed all excellent effect of having brought because having adopted the electric heater unit of corresponding techniques scheme.
Description of drawings
As the part of the disclosure of invention, and in order more to be expressly understood the present invention, the invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the schematic perspective view of first embodiment of electric heater unit of the present invention.
Fig. 2 is the schematic perspective view of second embodiment of electric heater unit of the present invention.
Fig. 3 is that second embodiment of the present invention specifically is assembled to the schematic perspective view on the spiral case parts of range hood.
Fig. 4 is the schematic perspective view of the 3rd embodiment of electric heater unit of the present invention.
Fig. 5 is the schematic perspective view of the 4th embodiment of electric heater unit of the present invention.
Fig. 6 is the partial sectional view of the elongated member among the present invention.
Fig. 7 is the schematic perspective view of first embodiment of elongated member of the present invention.
Fig. 8 is the schematic perspective view of second embodiment of elongated member of the present invention.
Fig. 9 is the sectional structure principle schematic of the electrical heating elements among the present invention.
Figure 10 is the schematic perspective view of a kind of embodiment of electrical heating elements of the present invention.
The three-dimensional package assembly schematic diagram of having used one of electric heater unit embodiment of the present invention of the present invention during Figure 11.
Among the figure 1. or 1 '. or 1 ". electric heater unit, 2. first, 3. fixed part; 4. support, 5. cold junction, 6. Blower Housing; 7. retaining element, the 8. outlet of spiral case, 9. endoporus; 10. housing front portion, 11. blower fan apparatus, 12. range hoods; 13. control panels, 14. oil and/or fat filter, 15. oil collection boxes; 16. motors, 17. housings, 18. oil smoke are discharged parts, 19. heating element heater, 20. ground wires, 21. metal shells, 23. first insulating barrier, 24. resistance wires, 25. fiber glass cores, 26. second insulating barrier, a-elongated member, D-hot arc, the high hot arc of E-, the warm section of F-, cold section of G-.
The specific embodiment
Referring to accompanying drawing 1 to accompanying drawing 11, the present invention relates to a kind of used for range hood electric heater unit 1 or 1 ' or 1 ", this electric heater unit by the elongated member a of tubulose according to its be complementary install around parts structure and circumnutate into the predetermined external shape.Shape that should be predetermined can be shown in accompanying drawing 1 of the present invention, is cylindrical shape roughly on the whole.The shape of this electric heater unit also can be symmetrical, asymmetrical other shapes.Such as, need not the concrete structure at position of the range hood that creative work ground will connect according to electric heater unit by those skilled in the art's concrete inventive concept according to the present invention and getable other suitable shape.
Referring to accompanying drawing 1 to accompanying drawing 8, according to the specific embodiment of the present invention, further, in order to increase the mechanical strength of this electric heater unit, and the variation flexibility of concrete heating-up temperature and intensity, the elongated member a of described tubulose mainly comprises tubular metal shell 21 and is contained in its interior electrical heating elements 19, metal shell can prevent to come from verify its invasion and attack of the power of this electric heater unit outside and corrosive goods, and the setting of the quantity of electrical heating elements in this housing also can be according to specific design needs concrete decision.
Referring to accompanying drawing 1 to accompanying drawing 3 and accompanying drawing 11, for with the central task parts of range hood, be the spiral case parts, concrete structure be complementary, the outer shape of described electric heater unit 1 is three-dimensional shape and has the part 2 that the spiral case endoporus 9 with range hood fits and protrude in the standing part 3 that fits with range hood volute body front portion 10 outside the described spiral case endoporus.
Referring to accompanying drawing 2, according to further embodiment of the present invention, for the overall mechanical strength that increases described electric heater unit 1 and control its external overall shape better, described electric heater unit 1 has also comprised the support 4 of further supporting role.
Referring to accompanying drawing 5, according to the 3rd embodiment of the present invention, electric heater unit of the present invention can also be to be the shape on a plane by the circumnutate integral body that forms of elongated member, that is, described electric heater unit 1 ' outer shape be the individual layer flat shape and be placed on the range hood volute body front portion 10.
Referring to accompanying drawing 4, according to the 4th embodiment of the present invention, electric heater unit of the present invention can also be to be the shape of general plane by the circumnutate integral body that forms of elongated member, but on the number of plies double-decker, that is " outer shape is the double layer planar shape and is placed on the range hood volute body front portion 10 described electric heater unit 1.
Referring to accompanying drawing 6 to accompanying drawing 10; according to basic design philosophy of the present invention and structural design; described electrical heating elements 19 described electrical heating elements 19 can be resistance heater wire; certainly; other concrete enforcement means of utilizing other adaptable heater meanses to obtain by those skilled in the art's design according to the present invention are also within protection scope of the present invention.
Referring to accompanying drawing 6, described electric heater unit 1 or 1 ' or 1 " also comprise earth connection 12.Earth connection the security performance that has increased this device is set, the generation of the phenomenon that prevents to get an electric shock.
Referring to accompanying drawing 2, accompanying drawing 3 and accompanying drawing 9, electric heater unit 1 of the present invention or 1 ' or 1 " in described resistance heater wire have hot junction and cold junction 5.Such design makes and press design that the position that should heat can obtain corresponding temperature rise, and in other connections or do not need the position of heating, and can not produce unnecessary or or even the temperature rise of interference entire machine performance.This kind design, the while has also been avoided energy dissipation and the utilization of energy is rationalized more.
Referring to accompanying drawing 6 to accompanying drawing 8; according to the embodiment of the present invention; further; considering aspect the manufacturing cost; described electric heater unit 1 or 1 ' or 1 " the material of tubular metal shell 21 can be aluminium or brass, but other adaptable metals and nonmetallic materials are also within protection scope of the present invention.
Referring to accompanying drawing 6 to accompanying drawing 9, the main composition part of the electric heater unit in the embodiment among the present invention, elongated member a promptly of the present invention is surrounded by at least one electrical heating elements 19 by metal coating housing 21 inside and constitutes.In order to obtain safer function of use, elongated member a can further include and prevents the bottom line 20 that gets an electric shock.Replaceable form of implementation as this elongated member a, as shown in accompanying drawing 7 and accompanying drawing 8, concrete, elongated member of the present invention can be provided with has only one deck, i.e. first insulating barrier 23, and, can also be provided with dielectric layers, i.e. first insulating barrier 23 and second insulating barrier 26 in order further to increase the security performance of whole electric heater unit.In addition, referring to accompanying drawing 10, the structure of electrical heating elements 19 of the present invention mainly comprises fiberglass core 25, is wrapped in the resistance wire 24 on the fiberglass core 25, and is wrapped in first insulating barrier 23 outside the fiberglass core of having twined resistance wire.Certainly, as previously mentioned, in order to strengthen security performance, also can be on first insulating barrier 23 additional again second insulating barrier 26. and, can be according to the heating intensity and the temperature rise speed of needs in the practical application, change the winding density of the resistance wire 24 on the fiberglass core 25 in the electrical heating elements 19, obtain a different temperature section of temperature performance on the electrical heating elements 19 therefrom, the electrical heating elements of perhaps different temperature performances.Shown in accompanying drawing 9, can obtain cold section G, warm section F, hot arc D, high hot arc E on the electrical heating elements.
According to further preferred implementation of the present invention, consider influence to kitchen and environment, and the actual demand of equipment use, such as, this electric heater unit needs directly to contact with the oil smoke that contains oil and/or fat, and the temperature upper limit that can be heated to that adds material institute of thermal insulation layer institute major decision, electric heater unit 1 of the present invention or 1 ' or 1 " surface temperature its suitable scope that is provided with should be arranged; described electric heater unit 1 or 1 ' or 1 " surface temperature T, should be set to T≤160 ℃.More satisfactory ground, can reach oil and/or fat are remained on warm easy flow regime and can not be heated the rotten state that produces oil smoke because of oil and/or fat, electric heater unit 1 or 1 ' or 1 " surface temperature T can be designed as within the 80 ℃≤T of the scope that can be controlled at≤100 ℃ preferablyly.
To accompanying drawing 11, especially accompanying drawing 11 referring to accompanying drawing 1, and the present invention also provides a kind of range hood 12 simultaneously, comprise the blower fan apparatus 11 that has Blower Housing 6.Blower Housing 6 has endoporus 9 and housing front portion 10.Anterior 10 places of the endoporus 9 of Blower Housing and/or housing be provided with include the electric heater unit 1 or 1 that provided in arbitrary enforceable technical scheme of the present invention ' or 1 "; be used for heating blower device (11) and via the oil smoke that is loaded with oil and/or fat and steam of this blower fan apparatus, thus make be attached on this blower fan apparatus profile and be contained in the state that oil in the oil smoke and/or fat warm and keeps warming up.In addition, range hood of the present invention also comprises the basic parts of lampblack absorber, as, be used to control the control panel 13 of this machine.Oil and/or fat filter 14 that the oil that contains in the oil smoke and/or fat are carried out preliminary isolated by filtration.Be used to collect the oil that isolated by filtration gets off and/or the oil collection box 15 of fat or its mixture.Splendid attire spiral case unit and connect the shell body 17 that oil smoke is discharged parts 18 is used to drive the motor 16 of whole range hood running etc.
Claims (10)
- A used for range hood electric heater unit (1,1 ', 1 ") is characterized in that, this electric heater unit is circumnutated by the elongated member a of tubulose and is the predetermined external shape that is complementary with its installation position; The outer shape of described electric heater unit (1) is three-dimensional shape and has the first (2) that the spiral case endoporus (9) with range hood fits and protrude in the fixed part (3) that fits with range hood volute body front portion (10) outside the described spiral case endoporus (9) that described fixed part (3) is fixed in described volute body front portion (10).
- 2. electric heater unit according to claim 1 is characterized in that: the elongated member a of described tubulose mainly comprises tubular metal shell (21) and is contained in its interior electrical heating elements (19).
- 3. electric heater unit according to claim 2 is characterized in that: described electric heater unit (1) has also comprised the support (4) of further supporting role.
- 4. according to claim 2 or 3 described electric heater units, it is characterized in that: described electrical heating elements (19) is a resistance heater wire.
- 5. electric heater unit according to claim 4 is characterized in that: described electric heater unit (1,1 ', 1 ") also comprises earth connection (20).
- 6. electric heater unit according to claim 5 is characterized in that: described resistance heater wire has hot junction and cold junction (5).
- 7. electric heater unit according to claim 6 is characterized in that: described electric heater unit (1,1 ', the material of the tubular metal shell of 1 ") (21) is aluminium or brass.
- 8. electric heater unit according to claim 7 is characterized in that: described electric heater unit (1,1 ', the surface temperature of 1 ") is T, T≤160 ℃.
- 9. electric heater unit according to claim 8 is characterized in that: described electric heater unit (1,1 ', the surface temperature of 1 ") is T, 80 ℃≤T≤100 ℃.
- 10. range hood, comprise the blower fan apparatus (11) that has Blower Housing (6), described Blower Housing (6) has endoporus (9) and housing front portion (10), it is characterized in that, the described endoporus (9) of described Blower Housing and/or described housing front portion (10) are located to be provided with and are included as arbitrary described electric heater unit (1 in the claim 1 to 9,1 ', 1 "); be used for heating blower device (11) and, via the oil smoke that is loaded with oil and/or fat and steam of this blower fan apparatus thus make be attached on this blower fan apparatus profile and be contained in the state that oil in the oil smoke and/or fat warm and keeps warming up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102444247A CN101749775B (en) | 2008-12-02 | 2008-12-02 | Electric heating device used for range hood and range hood with the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102444247A CN101749775B (en) | 2008-12-02 | 2008-12-02 | Electric heating device used for range hood and range hood with the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101749775A CN101749775A (en) | 2010-06-23 |
| CN101749775B true CN101749775B (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102444247A Expired - Fee Related CN101749775B (en) | 2008-12-02 | 2008-12-02 | Electric heating device used for range hood and range hood with the device |
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| CN (1) | CN101749775B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345889B (en) * | 2010-07-30 | 2016-03-30 | 博西华电器（江苏）有限公司 | Heater protective cover and with the spiral case of this kind of protective cover and range hood |
| CN102345888B (en) * | 2010-07-30 | 2015-11-25 | 博西华电器（江苏）有限公司 | There is range hood and the manufacture method thereof of electric heater unit |
| CN113089620B (en) * | 2021-03-22 | 2022-09-09 | 上海外高桥造船有限公司 | Self-elevating drilling platform locking device |
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| US3798419A (en) * | 1973-03-12 | 1974-03-19 | Gould Inc | Electrical surface heating assembly |
| CN87201124U (en) * | 1987-03-16 | 1987-12-02 | 王文超 | Flexible heating component |
| CN2299431Y (en) * | 1997-04-11 | 1998-12-02 | 陈振圳 | Electrothermal tube |
| CN1608394A (en) * | 1999-02-26 | 2005-04-20 | Atd公司 | Food transport container with integral heater |
| CN1836144A (en) * | 2003-06-27 | 2006-09-20 | 桑德维克知识产权股份公司 | Heat conductor support disc |
| CN101303141A (en) * | 2007-05-09 | 2008-11-12 | 博西华电器（江苏）有限公司 | Cooking fume exhauster |
| 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 |
-
2008
- 2008-12-02 CN CN2008102444247A patent/CN101749775B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798419A (en) * | 1973-03-12 | 1974-03-19 | Gould Inc | Electrical surface heating assembly |
| CN87201124U (en) * | 1987-03-16 | 1987-12-02 | 王文超 | Flexible heating component |
| CN2299431Y (en) * | 1997-04-11 | 1998-12-02 | 陈振圳 | Electrothermal tube |
| CN1608394A (en) * | 1999-02-26 | 2005-04-20 | Atd公司 | Food transport container with integral heater |
| CN1836144A (en) * | 2003-06-27 | 2006-09-20 | 桑德维克知识产权股份公司 | Heat conductor support disc |
| CN101303141A (en) * | 2007-05-09 | 2008-11-12 | 博西华电器（江苏）有限公司 | Cooking fume exhauster |
| 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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| CN101749775A (en) | 2010-06-23 |
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Granted publication date: 20111214 Termination date: 20181202 |