CN201615547U - Electric heater and radiating fin structure thereof - Google Patents
Electric heater and radiating fin structure thereof Download PDFInfo
- Publication number
- CN201615547U CN201615547U CN2009202705425U CN200920270542U CN201615547U CN 201615547 U CN201615547 U CN 201615547U CN 2009202705425 U CN2009202705425 U CN 2009202705425U CN 200920270542 U CN200920270542 U CN 200920270542U CN 201615547 U CN201615547 U CN 201615547U
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- radiating fin
- electric heater
- bending part
- fin structure
- radiating
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Abstract
The utility model provides an electric heater and a radiating fin structure thereof, which comprises a plurality of radiating fins and a heating tube, wherein at least one radiating fin is provided with a bending part. According to the radiating fin structure of the electric heater, the amount of hot air flowing out from the air outlet of the electric heater is increased, and the area of the radiating fin is enlarged in the limited casing space of the electric heater, so as to ensure that the electric heater exerts good heating effect. Meanwhile, the bending part arranged on the radiating fin can enhance the mechanical strength of the radiating fin of the electric heater, facilitate the ultrathin design of the radiating fin and the electric heater as well as the shape diversification of the electric heater, and improve the transportability and assembly manufacturability of the electric heater.
Description
Technical field
The utility model relates to the warm field of system, in particular to a kind of electric heater and heat radiating fin structure thereof.
Background technology
Traditional convection type electric heater radiating fin is generally planar structure, the air outlet of convection type electric heater is positioned at the upper end of fins set, cold air enters the air inlet that is positioned at the fins set lower end, through with a plurality of radiating fin heat exchange of fins set after, the heat that electrothermal tube produces is transmitted in the air by radiating fin, hot-air flows out from air outlet, and cold air enters in the electric heater and the radiating fin heat exchange from air inlet again then ... continue to carry out such heat exchanging process that circulates.In electric heater, realize flowing from bottom to top (direction as shown in phantom in Figure 2) in the process of heat exchange, because hot-air is easily towards diffusion all around, reduced the quantity of hot air of air outlet, thereby reduced electric heater up by the effect that flows down and the temperature of electric heater air outlet, be unfavorable for that electric heater given play to good heating effect, and raise the easily temperature of electric heater radiating fin group two ends housing of the hot-air of diffusion makes the electric heater product not meet national standard.
The inventor finds that there are the following problems at least in the prior art: the structure heating effect of existing electric heater radiating fin is bad, causes electric heater housing regional area temperature rise value to exceed standard in addition easily.
The utility model content
The utility model aims to provide a kind of electric heater heat radiating fin structure, and the structure heating effect that can solve existing electric heater radiating fin is bad, the problem that also causes electric heater housing regional area temperature rise value to exceed standard easily.
The utility model provides a kind of electric heater heat radiating fin structure, comprising: a plurality of radiating fins, heat-generating pipe, at least one radiating fin has bending part in a plurality of radiating fins.
Preferably, the bending part is in the edge of the side of at least one radiating fin.
Preferably, the bending part is at least one radiating fin dual-side in opposite directions.
Preferably, the radiating fin cross section with bending part is
Shape.
Preferably, the bending part is in the edge at least one radiating fin limit perpendicular to the ground, and bending part comprises first bending part and second bending part that is connected, and first bending part is vertical with at least one radiating fin; Second bending part is vertical with first bending part, and to the bending of the center of at least one radiating fin.
Preferably, part or all of a plurality of radiating fins are provided with sleeve, and heat-generating pipe is located in the sleeve.
Preferably, the width d1 of first bending part is less than or equal to half (d1≤0.5d) of the spacing d of two adjacent in a plurality of radiating fins radiating fins.
Preferably, the width d3 of second bending part is more than or equal to the width d1 of first bending part, and is less than or equal to the spacing d (d1≤d3≤3d) of two adjacent in a plurality of radiating fins of 3 times radiating fins.
Preferably, sleeve along the length d 2 of heat-generating pipe direction more than or equal to 5mm.
Preferably, sleeve protrudes and is arranged on the same side of part or all of a plurality of radiating fins.
Preferably, part or all of a plurality of radiating fin and sleeve disposed thereon are integrated.
The utility model also provides a kind of electric heater, comprises foregoing electric heater heat radiating fin structure.
Because adopted bending part, be arranged in a plurality of radiating fins at least one radiating fin, radiating fin with bending part is semiclosed shape, the electric heater inner air is played the effect of water conservancy diversion, limited hot-air flowing towards non-air-out direction, being convenient to hot-air flows out smoothly from air outlet, and be semiclosed shape owing to have the fin of bending, from top to bottom, the opening portion in each cross section is equivalent to the air inlet in a cross section, generally, be equivalent to increase the air inlet area, strengthened convection effects.So it is bad to have overcome existing electric heater heating effect, the problem that also causes electric heater housing regional area temperature rise value to exceed standard easily, and then reached raising electric heater heating performance, make electric heater give play to the effect of good heating effect.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the stereochemical structure according to the electric heater heat radiating fin structure of the utility model embodiment;
Fig. 2 has schematically shown the structure according to two adjacent radiating fins among the utility model embodiment;
Fig. 3 has schematically shown the partial structurtes according to two adjacent radiating fins among the utility model embodiment.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Fig. 1 to Fig. 3 has schematically shown a kind of electric heater heat radiating fin structure according to the utility model embodiment, comprising: a plurality of radiating fins 1, and heat-generating pipe 2, at least one radiating fin 10 has bending part 101 in a plurality of radiating fins 1.For example, a plurality of radiating fins 1 are aluminum alloy fin; Heat-generating pipe 2 is the stainless steel electrothermal tube, is provided with resistance wire, insulation filling material in it, and the heat that heat-generating pipe 2 produces is transmitted in the air by a plurality of radiating fins 1.Certainly, a plurality of radiating fins 1 are not limited to aluminum alloy fin, and heat-generating pipe 2 also is not limited to the stainless steel electrothermal tube, and a plurality of radiating fins 1 and heat-generating pipe 2 can be respectively other suitable material.
Preferably, bending part 101 is positioned at the edge of the side of at least one radiating fin 10, for example be positioned at least one radiating fin 10 dual-side in opposite directions, when the inlet and outlet of electric heater was direction perpendicular to ground, bending part 101 can be arranged at the edge of radiating fin 10 dual-side perpendicular to the ground; When the inlet and outlet of electric heater in horizontal direction the time, bending part 101 can be arranged at the edge of radiating fin 10 dual-side parallel to the ground.In order to obtain best heating effect, can on each radiating fin of a plurality of radiating fins 1, all be provided with bending part 101.
Because of radiating fin 10 cross sections with bending part 101 are semiclosed shape, the electric heater inner air is played the effect of water conservancy diversion, being convenient to hot-air flows out from air outlet, the discharge of electric heater air outlet place hot-air and the heating effect of electric heater have been improved, simultaneously because the radiating fin of semiclosed shape has limited hot-air flowing towards non-air-out direction, the temperature of housing that has also just reduced the non-air outlet of electric heater position is so that the electric heater product meets national standard, improved the security performance of electric heater, so it is bad to have overcome the heating effect of existing electric heater radiating fin, the problem that also causes electric heater housing regional area temperature rise value to exceed standard easily.
Certainly, be not perpendicular to the electric heater of ground or horizontal direction for the inlet and outlet direction, for example the air inlet of electric heater and air outlet have certain included angle, the position is set also can makes corresponding change of bending part 101 makes the radiating fin 10 that has bending part 101 play the effect that the guiding hot-air flows equally so.In order to make electric heater reach best heating effect, can on each radiating fin of a plurality of radiating fins 1, all be provided with bending part.In addition, by on each radiating fin of a plurality of radiating fins 1, bending part being set, plane radiating fin with respect to prior art, improved the mechanical strength of single radiating fin, that single radiating fin can be designed is very thin, the ultrathin design that helps electric heater is convenient to the variation of electric heater moulding.
Preferably, be equipped with on a plurality of radiating fins 1 or a plurality of radiating fins 1 of part are provided with sleeve 103, for example sleeve and radiating fin are integrated, as shown in Figure 3, along heat-generating pipe 2 directions, sleeve 103 all stretches in the same side of a plurality of radiating fins and draws, to make things convenient for the installation of heat-generating pipe 2.Heat-generating pipe 2 is located in the sleeve 103.For example be the interference assembling between sleeve 103 and the heat-generating pipe 2, the socket join structure of a plurality of radiating fins 1 and heat-generating pipe 2, changed in the prior art the syndeton of radiating fin 1 riveting on heat-generating pipe 2, increase the contact area between a plurality of radiating fins 1 and the heat-generating pipe 2, and then reached the purpose of improving the heat radiation heating effect.In order to guarantee the connection reliability of a plurality of radiating fins 1 and heat-generating pipe 2, sleeve 103 for example can be more than or equal to 5mm along the length d 2 of heat-generating pipe 2 directions.Certainly, under the prerequisite of the connection reliability that does not influence radiating fin 1 and heat-generating pipe 2, sleeve 103 also can be less than 5mm along the length d 2 of heat-generating pipe 2 directions.
As described below according to a preferred embodiment of the present utility model: as for example to be positioned at a plurality of radiating fins 1 top for air outlet, air inlet is arranged in the convection type electric heater (the circulation of air direction is shown in figure dotted arrow direction) of a plurality of radiating fins 1 below, as shown in Figure 2, radiating fin with bending comprises bending part 101 and sheet fin portion 102, and the side edge place that bending part 101 is positioned at radiating fin promptly is positioned at the side edge place of sheet fin portion 102.Bending part 101 comprises: first bending part 1011, and the both sides of the edge perpendicular to ground that are arranged at the sheet fin portion 102 of radiating fin 10 are located, and first bending part 1011 is perpendicular to sheet fin portion 102; Second bending part 1012 is connected with first bending part 1011 and perpendicular to the center position bending of first bending part, 1011, the second bending parts 1012 to sheet fin portion 102, thereby radiating fin 10 cross sections with bending part 101 are substantially
Shape,
The shape radiating fin has surrounded is convenient to the semiclosed passage 3 that air circulates from bottom to top.Certainly, the shape of bending part 101 can have a variety of, for example bending part 101 is not provided with first bending part 1011 and second bending part 1012 respectively, curved or other shape in bending part 101 cross sections, form semi-enclosed air conducting passage 3 with radiating fin 10, thereby reduce the amount of hot-air to non-air outlet direction diffusion.
Consider the easily manufactured property of the radiating fin 10 that has bending part 101, in the utility model with
The shape radiating fin is an example, as shown in Figure 3, reaches better heating effect in order to make electric heater, for example
First bending part 1011 of shape radiating fin can be less than or equal to half of spacing d of two adjacent radiating fins, and (d1≤0.5d), the width d3 of second bending part 1012 is more than or equal to the width d1 of first bending part 1011 and be less than or equal to the spacing d (d1≤d3≤3d) of 3 times adjacent radiating fin along the width d1 of heat-generating pipe direction.In addition, the end that second bending part 1012 is suspended from air can be done fillet and handle, like this when radiating fin is installed, and the unnecessary scuffing that can avoid too sharp wedge angle to cause, the security that improves installation process.Certainly, for adapting to the application of electric heater in multiple occasion, first bending part and second bending part can be designed to along radiating fin centrosymmetric, also can be designed to asymmetrical.Be equipped with on a plurality of radiating fins 1 or the part be provided with sleeve 103, heat-generating pipe 2 is located in the sleeve 103, and perpendicular with the sheet fin portion 102 of a plurality of radiating fins, the length of sleeve 103 is 5mm.
When following table (table 1) is 24 ℃ for the experimental situation temperature, the electric heater that three kinds of dissimilar radiating fins are housed is carried out the experimental data that totally-enclosed test draws, from experimental data, can draw, improve the heating effect of electric heater according to a kind of electric heater heat radiating fin structure of the present utility model greatly.
Table 1
The utility model also provides a kind of electric heater, comprises foregoing electric heater heat radiating fin structure.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
According to electric heater heat radiating fin structure of the present utility model, the semiclosed passage that has the radiating fin formation of bending has guide functions to hot-air, increased from the amount of the hot-air of electric heater air outlet outflow, reduced the heat of hot-air towards the diffusion of electric heater radiating fin group two ends, effectively control electric heater radiating fin group two ends housing temperature rise value, and in limited electric heater shell space, increased the fin area, made electric heater give play to good heating effect.Simultaneously,, improved the mechanical strength of electric heater radiating fin, helped the ultrathin design of radiating fin and electric heater, be convenient to the variation of electric heater moulding, also improved the transportation and the assembly process process of electric heater simultaneously by on radiating fin, being provided with bending.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (12)
1. electric heater heat radiating fin structure, comprising: a plurality of radiating fins, heat-generating pipe is characterized in that at least one radiating fin has bending part in described a plurality of radiating fins.
2. electric heater heat radiating fin structure according to claim 1 is characterized in that described bending part is in the edge of the side of described at least one radiating fin.
3. electric heater heat radiating fin structure according to claim 1 is characterized in that, described bending part is in described at least one radiating fin dual-side in opposite directions.
4. electric heater heat radiating fin structure according to claim 3 is characterized in that, described radiating fin with bending part comprises bending part (101) and sheet fin portion (102), and bending part (101) is positioned at the side edge place of radiating fin;
Bending part (101) comprising: first bending part (1011), and the both sides of the edge perpendicular to ground that are arranged at the sheet fin portion (102) of radiating fin (10) are located, and first bending part (1011) is perpendicular to sheet fin portion (102);
Second bending part (1012) is connected with first bending part (1011) and perpendicular to first bending part (1011), second bending part (1012) is to the center position bending of sheet fin portion (102).
5. according to each described electric heater heat radiating fin structure in the claim 1 to 3, it is characterized in that, described bending part is in the edge on described at least one radiating fin limit perpendicular to the ground, described bending part comprises first bending part and second bending part that is connected, and described first bending part is vertical with described at least one radiating fin; Described second bending part is vertical with described first bending part, and to the bending of the center of described at least one radiating fin.
6. according to each described electric heater heat radiating fin structure in the claim 1 to 4, it is characterized in that partly or entirely described a plurality of radiating fins are provided with sleeve, described heat-generating pipe is located in the described sleeve.
7. electric heater heat radiating fin structure according to claim 5 is characterized in that, the width d1 of described first bending part is less than or equal to half of spacing d of two adjacent in described a plurality of radiating fin radiating fins.
8. electric heater heat radiating fin structure according to claim 5, it is characterized in that, the width d3 of described second bending part is more than or equal to the width d1 of described first bending part, and is less than or equal to the spacing d of two adjacent in described a plurality of radiating fins of 3 times radiating fins.
9. electric heater heat radiating fin structure according to claim 6 is characterized in that, described sleeve along the length d 2 of described heat-generating pipe direction more than or equal to 5mm.
10. electric heater heat radiating fin structure according to claim 6 is characterized in that, described sleeve protrudes on the same side that is arranged on described partly or entirely described a plurality of radiating fins.
11. electric heater heat radiating fin structure according to claim 10 is characterized in that, described partly or entirely described a plurality of radiating fins and sleeve disposed thereon are integrated.
12. an electric heater is characterized in that, comprises each described electric heater heat radiating fin structure in the claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202705425U CN201615547U (en) | 2009-11-26 | 2009-11-26 | Electric heater and radiating fin structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202705425U CN201615547U (en) | 2009-11-26 | 2009-11-26 | Electric heater and radiating fin structure thereof |
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| Publication Number | Publication Date |
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| CN201615547U true CN201615547U (en) | 2010-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202705425U Expired - Lifetime CN201615547U (en) | 2009-11-26 | 2009-11-26 | Electric heater and radiating fin structure thereof |
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| CN (1) | CN201615547U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574746A (en) * | 2013-11-14 | 2014-02-12 | 宁波西摩电器有限公司 | Non-oil heater and manufacturing method thereof |
| CN105091066A (en) * | 2015-09-01 | 2015-11-25 | 孙洪喜 | Heating radiator |
| CN105202615A (en) * | 2015-11-07 | 2015-12-30 | 平湖伟峰科技有限责任公司 | Electric heating type warmer |
| CN105222210A (en) * | 2015-11-07 | 2016-01-06 | 平湖伟峰科技有限责任公司 | Electric calorifie installation |
| CN106225046A (en) * | 2016-09-07 | 2016-12-14 | 北京国泰环能科技有限公司 | A kind of radiating fin and apply its electric heater |
| CN106500171A (en) * | 2016-12-14 | 2017-03-15 | 河南三元光电科技有限公司 | A kind of radiator for electric heater |
| CN108592145A (en) * | 2018-04-28 | 2018-09-28 | 广东美的环境电器制造有限公司 | The radiating subassembly of electric heater and electric heater with it |
| CN109520327A (en) * | 2017-09-18 | 2019-03-26 | 美的集团股份有限公司 | Heater |
| CN112128834A (en) * | 2020-09-22 | 2020-12-25 | 温长庚 | Novel electric heater heat-generating body |
| CN112146152A (en) * | 2020-09-14 | 2020-12-29 | 北京智米科技有限公司 | Electric heating element, electric heating device, manufacturing method of electric heating device and electric heater |
| CN112325361A (en) * | 2020-04-24 | 2021-02-05 | 营口松辽镁业有限公司 | Natural convection disinfection electric heater |
-
2009
- 2009-11-26 CN CN2009202705425U patent/CN201615547U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574746A (en) * | 2013-11-14 | 2014-02-12 | 宁波西摩电器有限公司 | Non-oil heater and manufacturing method thereof |
| CN105091066A (en) * | 2015-09-01 | 2015-11-25 | 孙洪喜 | Heating radiator |
| CN105202615A (en) * | 2015-11-07 | 2015-12-30 | 平湖伟峰科技有限责任公司 | Electric heating type warmer |
| CN105222210A (en) * | 2015-11-07 | 2016-01-06 | 平湖伟峰科技有限责任公司 | Electric calorifie installation |
| CN106225046A (en) * | 2016-09-07 | 2016-12-14 | 北京国泰环能科技有限公司 | A kind of radiating fin and apply its electric heater |
| CN106500171A (en) * | 2016-12-14 | 2017-03-15 | 河南三元光电科技有限公司 | A kind of radiator for electric heater |
| CN109520327B (en) * | 2017-09-18 | 2024-04-09 | 美的集团股份有限公司 | Warmer |
| CN109520327A (en) * | 2017-09-18 | 2019-03-26 | 美的集团股份有限公司 | Heater |
| CN108592145A (en) * | 2018-04-28 | 2018-09-28 | 广东美的环境电器制造有限公司 | The radiating subassembly of electric heater and electric heater with it |
| CN112325361A (en) * | 2020-04-24 | 2021-02-05 | 营口松辽镁业有限公司 | Natural convection disinfection electric heater |
| CN112325361B (en) * | 2020-04-24 | 2022-03-01 | 营口松辽镁业有限公司 | Natural convection disinfection electric heater |
| CN112146152A (en) * | 2020-09-14 | 2020-12-29 | 北京智米科技有限公司 | Electric heating element, electric heating device, manufacturing method of electric heating device and electric heater |
| CN112128834A (en) * | 2020-09-22 | 2020-12-25 | 温长庚 | Novel electric heater heat-generating body |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101027 |
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| CX01 | Expiry of patent term |