CN103712257B - Electric heater - Google Patents
Electric heater Download PDFInfo
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- CN103712257B CN103712257B CN201310669004.4A CN201310669004A CN103712257B CN 103712257 B CN103712257 B CN 103712257B CN 201310669004 A CN201310669004 A CN 201310669004A CN 103712257 B CN103712257 B CN 103712257B
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- 239000007769 metal material Substances 0.000 claims description 6
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- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Central Heating Systems (AREA)
- Air-Conditioning For Vehicles (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The invention relates to an electric heater, in particular to an electric heater having convection and radiative heat transfer functions. The electric heater comprises a shell, a heating device, an air outlet formed on the upper portion of the shell, and an air inlet formed on the lower portion of the shell, wherein a heat radiator is arranged in the shell; the heating device is arranged on one side of the heat radiator, and a first heating channel communicating the air outlet and the air inlet is formed a certain distance away from the heat radiator; a second heating channel communicating the first heating channel and the outside is formed in the heating device, and inclines towards the upper side of the first heating channel. Due to the formation of an air flow barrel via the second heating channel, air in the first heating channel can undergo heat exchange and flow in an oriented way, a chimney effect can be formed in the electric heater without considering the airtightness, the manufacturing difficulty of electrical appliances is lowered, and a machining process is simplified. Meanwhile, the heat radiator and the heating device can radiate heat towards the outside, and two heat transfer ways, namely, convection and radiation are combined effectively.
Description
Technical field
The present invention relates to a kind of electric heater, particularly relate to a kind of electric heater having convection current and radiant heat transfer function concurrently.
Background technology
At present, the electric heater on market generally all only has a kind of heat tunnel, and is generally all straight channel, and hot-air often can only transmit along with convection current or the radiation direction external world, conducts heat comparatively single.Although some electric heater has convection current and heat radiation two kinds of modes outwardly to conduct heat, owing to not having good air heat passage, convection current or radiation effect are not good.
Application number be 200920268723.4 Chinese invention patent disclose a kind of convection quick heating type electric heater, this electric heater top and bottom are provided with air outlet and air inlet respectively, two pieces of heat radiation films are longitudinally provided with in electric heater inside, separated by a distance and the electric heater both sides of living apart of two pieces of heat radiation films, to make to define gas channel between heat radiation film, heating component can air in Directly solution thermal current passway, or by first heating Electric radiant Heating Film, Electric radiant Heating Film is allowed to carry out heat exchange to the air in passage again, object allows after the air heats in gas channel rise, form stack effect, realize hot air circulate, also heat radiation can be carried out to external world after Electric radiant Heating Film heat absorption simultaneously, heating indoor air in the lump.The weak point of such scheme is: gas channel is single flow passage on the one hand, and air heat exchange area is little, and therefore heating effect is not obvious; On the other hand, for realizing stack effect, the seal of gas channel surrounding has strict requirement, once passage inner side edge has gap, hot-air with regard to the external world of likely escaping out to gap, causes heat losses, have impact on the convection effects of electric heater in the process risen.
Summary of the invention
In view of this, in order to overcome above-mentioned defect, the present invention aims to provide a kind of electric heater with composite air heat tunnel, and realize convection current simultaneously, radiation two kinds of modes are outwardly conducted heat, and strengthen the heat-transfer effect of electric heater.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of electric heater, comprise housing, electro-heat equipment, and be located at the air outlet of described housing upper and the air inlet of bottom, heat radiator is provided with in described housing, heat radiator can absorb the heat from electro-heat equipment and the external world carries out heat radiation, described electro-heat equipment is arranged on the side of heat radiator and forms with heat radiator the first heat tunnel being communicated in described air outlet and air inlet, be provided with in described electro-heat equipment and be communicated in the first heat tunnel and the second extraneous heat tunnel, described second heat tunnel is toward the first heat tunnel inclined upward, when electro-heat equipment is to air heat in the second heat tunnel, air heats rises, such incline direction can make thermal current along the second heat tunnel rising inflow first heat tunnel, heat is external reflecting heat after being absorbed by the heat radiator in the first heat tunnel, insulation is realized to the air in first passage, the air themperature in the first heat tunnel is caused effectively to rise, and upwards flow due to the orientation of the second heat tunnel air-flow, be equivalent to form the airflow barrier upwards flowed together in the side of the first heat tunnel, ensure that the air-flow orientation in the first heat tunnel upwards flows, and outwards can not be escaped by the second heat tunnel, the thermal current in the first heat tunnel is finally made directionally to flow toward air outlet, cold air enters the low pressure in supplementary first passage from the air inlet bottom electric heater simultaneously, therefore, even if the first heat tunnel is not completely enclosed in manufacture, also in electric heater, stack effect can be formed significantly, circulating of effective promotion air, in electric heater, stack effect is manufactured by mode like this, the manufacture difficulty of electric heater structure can be reduced, and the requirement reduced electric heater inside seal, namely manufacturing cost and Simplified flowsheet requirement is reduced, simultaneously, heat radiator absorbs from after the heat of electro-heat equipment, heat radiation can be carried out to external world in the lump with electro-heat equipment, further lifting electric heater heat-transfer effect, therefore, electric heater is combined with convection current and radiation two kinds of thermaltransmission modes effectively, indoor air can be heated quickly, significantly improve rate of heat exchange, and strengthen the functional of electric heater.
Further, described electro-heat equipment comprises at least one heater and several radiators, each radiator longitudinal arrangement and each other interval form described second heat tunnel, object allows the first heat tunnel can connect multiple second heat tunnel, increase the thermal current supply of the first heat tunnel and effectively increase the heat exchange area of air, described heater is arranged in the second heat tunnel or is arranged on radiator, object is that the air in the second heat tunnel can be sufficiently heated, therefore, after radiator and heater combine, be equivalent to be that the first heat tunnel provides multiple thermal current supply source, thermal current constantly can enter the first heat tunnel from the second heat tunnel, not only enhance heat exchange effect, also form powerful thermal current barrier in the first heat tunnel side significantly, effectively realize stack effect.
Preferably, described radiator is fin, and described fin is ganoid metal material, such as thin aluminum sheet or corrosion resistant plate etc., from on microcosmic, metal material is atom is regularly arranged material, advantageously in absorbing heat and externally producing heat reflection, simultaneously, ganoid metal fin more can realize water conservancy diversion to air effectively, therefore, can reflecting heat to external world effectively after fin is heated, improve indoor rate of heat exchange.
Preferably, described housing offers heat radiation outlet in the side away from heat radiator, object allows the heat radiation from heat radiator and electro-heat equipment be sent to the external world.
Alternatively, for preventing unexpected generation, adding safety cage in heat radiation outlet, electro-heat equipment is not easily touched by staff.
Preferably, described heat radiator comprises reflecting plate, and reflecting plate is ganoid metal material, and smooth metal material is advantageously in absorbing heat and externally producing directed heat reflection, and described reflecting plate is arranged on inside housing rear.
Preferably, described air outlet aperture area is less than the aperture area of air inlet, the air velocity of discharge of air outlet can be significantly improved, cause bottom cold air to accelerate to enter electric heater inside by air inlet simultaneously, therefore effectively promote the flow circuit of air in the first heat tunnel, significantly improve the efficiency of heating surface of electric heater.
Alternatively, described housing bottom is provided with support wheel, makes air inlet overhead certain distance, and air can flow into bottom electric heater, can facilitate mobile electric heater simultaneously.
Preferably, in described housing, both sides are provided with installing plate, described radiator two ends are fixing on a mounting board, described air outlet to be arranged on the upside of housing and corresponding described first heat tunnel, described air inlet is arranged on housing bottom side, described housing forward upper and bottom are provided with the auxiliary air inlet mouth of corresponding described radiator, and auxiliary air inlet mouth can be the cold air that the second heat tunnel constantly supplements from the external world.
Preferably, described air outlet is provided with air-out grid, air-out grid can according to user need regulate air outlet angle, strengthen the practicality of electric heater.
Compared with prior art, the invention has the beneficial effects as follows: a kind of electric heater of the present invention adds hot-air by electro-heat equipment, make air along the second heat tunnel rising inflow first heat tunnel, heat exchange is implemented to the air in the first heat tunnel, simultaneously, heat is external reflecting heat after being absorbed by the heat radiator in the first heat tunnel, insulation is realized to the air in first passage, the air themperature in the first heat tunnel is made effectively to increase, the air flow direction of the second heat tunnel forms one airflow barrier, so that the air guided flowing in the first heat tunnel, therefore when not considering seal, also stack effect can be formed in electric heater, accelerate cross-ventilation, reduce and manufacture electric heater manufacture difficulty and simplify processing technology, heat radiator and electro-heat equipment can also carry out heat radiation to external world simultaneously, strengthen heat-transfer effect, and by convection current and radiation two kinds of thermaltransmission mode efficient combination on an electric heater.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of electric heater of the present invention.
Fig. 2 is the internal structure schematic diagram of a kind of electric heater of the present invention.
Fig. 3 is that a kind of electric heater of the present invention has installed the structural representation of safety cage additional.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated.Wherein, accompanying drawing only for exemplary illustration, expression be only schematic diagram, but not pictorial diagram, can not be interpreted as the restriction to this patent; In order to better embodiments of the invention are described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
The corresponding same or analogous parts of same or analogous label in the accompanying drawing of the embodiment of the present invention; In describing the invention, it will be appreciated that, if have term " on ", D score, "left", "right", " vertically ", the orientation of the instruction such as " level " or position relationship be for based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the term describing position relationship in accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
In addition, if having the term such as " first ", " second " only for describing object, and instruction or hint relative importance can not be interpreted as, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Fig. 1 ~ 3, a kind of electric heater, comprise housing 1, housing 1 is divided into fore shell 110 and back cover 120, back cover 120 bottom side offers air inlet 4, back cover 120 top is provided with air-out grid 31, air-out grid 31 is provided with air outlet 3, be provided with mobilizable support wheel 102 bottom back cover 120, make air inlet 4 overhead certain distance, air can flow into bottom electric heater, mobile electric heater can be facilitated simultaneously, both sides, back cover 120 top are provided with recessed pull hand 105, are convenient to user and mention electric heater, and fore shell 110 is connected by the mode fastened with back cover 120.Reflecting plate 51 is provided with inside back cover 120 rear wall, reflecting plate 51 is close in housing 1 by the mode screwed or paste, fore shell 110 offers heat radiation outlet 100 in the side away from heat radiator 5, electro-heat equipment is provided with in housing 1, electro-heat equipment comprises some pieces of fins 220 and some each heaters 21, heater 21 is electrically connected at power supply (not shown in FIG.) in housing 1 to manufacture thermal source, some fins 220 to be arranged on front side of reflecting plate 51 and separated by a distance with reflecting plate 51, form the first heat tunnel 6, air outlet 3 is connected in first heat tunnel 6 upper end, air inlet 4 is connected in lower end, each fin 220 longitudinal arrangement and be separated by a segment distance, form several the second heat tunnels 7, second heat tunnel 7 connects the first heat tunnel 6 with extraneous, in addition, fin 220 upper end is all towards the first heat tunnel 6 inclined upward, each second heat tunnel 7 is caused to become ramp way, thermal current can rise along the second heat tunnel 7 and flow into the first heat tunnel 6, heater 21 is arranged on above each fin 220, be positioned at the second heat tunnel 7, heat trnasfer is realized to the air in the second heat tunnel 7, in addition, heater 21 also can be built in fin 220 or be connected on fin 220, both sides in back cover 120 are respectively arranged with installing plate 103, described fin 220 and heater 21 two ends are fixed on installing plate 103, the upper and lower of fore shell 110 is provided with auxiliary air inlet mouth 104, the corresponding fin 220 of auxiliary air inlet mouth 104, it is the cold air that the second heat tunnel 7 constantly supplements from the external world, in addition, for preventing unexpected generation, safety cage 101 is added in heat radiation outlet 100, electro-heat equipment 2 is not easily touched by staff.
After switching on power, electric heater is started working, heater 21 heats the air in the second heat tunnel 7, cause air to rise along the second heat tunnel 7 and enter the first heat tunnel 6, and with the air heat exchange of the first heat tunnel 6, reflecting plate 51 absorbs heat and externally heat radiation simultaneously, accelerate the temperature of air in lifting first heat tunnel 6, the air heats in the first heat tunnel 6 is caused to rise, what deserves to be explained is, because the thermal current in each second heat tunnel 7 continuously outflows, the airflow barrier upwards flowed together is formed in the first heat tunnel 6, airflow barrier causes the ascending air in the first heat tunnel 6 not flow out the electric heater external world by the second heat tunnel 7, the thermal current in the first heat tunnel 6 is finally made directionally to flow toward air outlet 3, cold air enters the low pressure in supplementary first heat tunnel 6 from the air inlet 4 bottom electric heater simultaneously, stack effect is defined in electric heater, extremely effectively accelerate the hot-air convection circulation of electric heater, strengthen the effect of externally heat transfer, meanwhile, due to fin 220 being provided with heat radiation layer, when can be exported heat radiation to extraneous by radiation with reflecting plate 51 after the heat that fin 220 absorbs from heater 21 simultaneously, further lifting electric heater heat-transfer effect, therefore, electric heater is combined with convection current and radiation two kinds of thermaltransmission modes effectively, indoor air can be heated quickly, significantly improve rate of heat exchange, and strengthen the functional of electric heater.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, exhaustive without the need to also giving all embodiments here.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (1)
1. an electric heater, comprise housing (1), electro-heat equipment, and be located at the air outlet (3) on described housing (1) top and the air inlet (4) of bottom, it is characterized in that, heat radiator (5) is provided with in described housing (1), described electro-heat equipment is arranged on the side of heat radiator (5) and forms with heat radiator (5) the first heat tunnel (6) being communicated with described air outlet (3) and air inlet (4), be provided with two ends in described electro-heat equipment and be communicated with the first heat tunnel (6) and extraneous the second heat tunnel (7) respectively, described second heat tunnel (7) is toward the first heat tunnel (6) inclined upward.
2. electric heater according to claim 1, it is characterized in that, described electro-heat equipment comprises at least one heater (21) and several radiators (22), each radiator (22) longitudinal arrangement and each other interval form described second heat tunnel (7), described heater (21) is arranged in the second heat tunnel (7) or is arranged on radiator (22), to heat the air in the second heat tunnel (7).
3. electric heater according to claim 2, is characterized in that, described radiator (22) is fin (220), and described fin (220) is ganoid metal material.
4. electric heater according to claim 1, is characterized in that, described housing (1) offers heat radiation outlet (100) in the side of relative heat radiator (5).
5. electric heater according to claim 4, is characterized in that, described heat radiation outlet (100) is provided with safety cage (101).
6. electric heater according to claim 1, is characterized in that, described heat radiator (5) comprises reflecting plate (51), and reflecting plate (51) is ganoid metal material, and described reflecting plate (51) is arranged on inside housing (1) rear wall.
7. electric heater according to claim 1, is characterized in that, described air outlet (3) aperture area is less than the aperture area of air inlet (4).
8. the electric heater according to any one of claim 1 ~ 7, is characterized in that, described housing (1) bottom is provided with support wheel (102).
9. electric heater according to claim 2, it is characterized in that, described housing (1) interior both sides are provided with installing plate (103), described radiator (22) two ends are fixed on installing plate (103), described air outlet (3) is arranged on housing (1) upside and corresponding described first heat tunnel (6), described air inlet (4) is arranged on housing (1) bottom side, and the upper and lower of described housing (1) front side is provided with the auxiliary air inlet mouth (104) of corresponding described radiator (22).
10. the electric heater according to any one of claim 1 ~ 7, is characterized in that, described air outlet (3) is provided with air-out grid (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669004.4A CN103712257B (en) | 2013-12-11 | 2013-12-11 | Electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669004.4A CN103712257B (en) | 2013-12-11 | 2013-12-11 | Electric heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103712257A CN103712257A (en) | 2014-04-09 |
| CN103712257B true CN103712257B (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310669004.4A Active CN103712257B (en) | 2013-12-11 | 2013-12-11 | Electric heater |
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| Country | Link |
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| CN (1) | CN103712257B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017009951A1 (en) * | 2015-07-14 | 2017-01-19 | 株式会社エコファクトリー | Air conditioner and air conditioning system |
| CN106678937A (en) * | 2017-01-06 | 2017-05-17 | 吉林建筑大学 | Novel intelligent electric heating device |
| CN106801907A (en) * | 2017-03-13 | 2017-06-06 | 深圳市上羽科技有限公司 | A kind of multi-faceted domestic electric heating device |
| CN107085008A (en) * | 2017-05-08 | 2017-08-22 | 深圳市时维智能装备有限公司 | A kind of method for exciting solid body heat radiation characteristic and identification servicing unit |
| CN110068046A (en) * | 2019-05-16 | 2019-07-30 | 珠海格力电器股份有限公司 | Heat dissipation cover and electric heater |
| WO2020255339A1 (en) * | 2019-06-20 | 2020-12-24 | Ｆｕｔａｅｄａ株式会社 | Radiant panel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB911153A (en) * | 1960-04-01 | 1962-11-21 | L G Hawkins & Company Ltd | Improvements in or relating to electric convector heaters |
| GB1299865A (en) * | 1969-02-17 | 1972-12-13 | Leslie Reginald Blake | Heater incorporating resilient guard |
| US6901213B2 (en) * | 2001-05-23 | 2005-05-31 | Bai Bing | Electric heater |
| CN2849572Y (en) * | 2005-12-05 | 2006-12-20 | 李家俊 | Convection radiation type electric heater |
| CN101634470B (en) * | 2009-03-17 | 2011-11-23 | 佛山市富士宝电器科技股份有限公司 | Electric heater |
| CN102213460A (en) * | 2010-04-09 | 2011-10-12 | 深圳市联创科技集团有限公司 | Electric heater embedded with radiating metal fins |
-
2013
- 2013-12-11 CN CN201310669004.4A patent/CN103712257B/en active Active
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| CN103712257A (en) | 2014-04-09 |
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Address after: 528300 Guangdong province Foshan city Shunde District Daliang Street No. 1 North Desheng Road Applicant after: GUANGDONG HISENSE HOME APPLIANCES Co.,Ltd. Address before: 528300 Guangdong province Foshan city Shunde District Daliang Street No. 1 North Desheng Road Applicant before: GUANGDONG KELON FITTINGS Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: GUANGDONG KELON FITTINGS CO., LTD. TO: GUANGDONG HISENSE HOME APPLIANCES CO., LTD. |
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Address after: 528300 Guangdong Foshan Shunde District Ronggui Street office Desheng neighborhood committee 1 East Rong Qi Road Patentee after: HISENSE (GUANGDONG) KITCHEN & BATH SYSTEM Co.,Ltd. Address before: 528300, No. 1, Desheng West Road, Daliang street, Shunde District, Guangdong, Foshan Patentee before: GUANGDONG HISENSE HOME APPLIANCES Co.,Ltd. |
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Effective date of registration: 20201105 Address after: 518000 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.) Patentee after: Shenzhen Xinyang International Trade Co.,Ltd. Address before: 528300 Guangdong Foshan Shunde District Ronggui Street office Desheng neighborhood committee 1 East Rong Qi Road Patentee before: HISENSE (GUANGDONG) KITCHEN & BATH SYSTEM Co.,Ltd. |
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