CN206191727U - Oil heater - Google Patents

Abstract

The utility model discloses an oil heater, include: two oil pipe, two oil pipe interval distribution in upper and lower direction, a plurality of fin, establish respectively on two oil pipe at the both ends of every fin, be equipped with in every fin with the oil circuit passageway of two oil pipe intercommunication, at least one side edge of every fin is equipped with the air chamber with oil circuit passage spacing, is equipped with the recess on at least one lateral wall in air chamber's the relative lateral wall on oil pipe's length direction in order to prescribe a limit to an air interlayer. The utility model discloses an oil heater can increase the heat radiating area at fin edge, reduces the temperature at fin edge, avoids the danger that the user used the oil heater in -process to be scalded.

Description

Oil Heater warmer

Technical field

The utility model is related to the technical field of living electric apparatus, more particularly to a kind of oil Heater warmer.

Background technology

The operation principle of current oil Heater warmer is that the conduction oil in metallic cavity is heated using electrically heated rod, then The conduction oil of high temperature conducts heat to reach user's heating purpose by the fin in metallic cavity and cavity to ambient air. Usually, the temperature of metallic cavity and fin is higher, is more conducive to being radiated to surrounding air.

The fin edges of the oil Heater warmer in correlation technique typically leave a very thin air chamber, in air chamber Devise through hole on room at a certain distance, air by through hole air inlet chamber, because the thermal conductivity factor of air is far below gold Category (generally stainless steel) thermal conductivity factor, fin most edge is completely cut off so the oil Heater warmer in correlation technique can reach The purpose of a part of heat.But can not sufficient cold sink edge, there is the danger scalded during user's use.

Utility model content

The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.Therefore, this reality With a kind of oil Heater warmer of new proposition, the area of dissipation of fin edges can be increased, reduce the temperature of fin edges, kept away Exempt from user and use the danger being burned during oil Heater warmer.

Oil Heater warmer according to the utility model embodiment, including：Two oil pipes, described two oil pipes are in above-below direction On be spaced apart；Multiple fin, the two ends of each fin are respectively provided on described two oil pipes, each described radiating The asphalt channel connected with described two oil pipes is provided with piece, an at least lateral edges of each fin are provided with and the oil The air chamber at paths interval, in the opposing sidewalls on the length direction of the oil pipe of the air chamber at least one Individual side wall is provided with groove to limit air buffer.

Oil Heater warmer according to the utility model embodiment, by fin edges set air chamber, and Groove is set in air chamber to limit air buffer, so as to increase the area of dissipation of fin edges, is effectively reduced High temperature inside fin reduces the temperature of fin edges to the heat transfer at fin edges, it is to avoid user Use the danger being burned during oil Heater warmer.

According to some embodiments of the present utility model, on the length direction of the oil pipe, the thickness of the air chamber It is h1, is h2, wherein h2 ＞ h1/2 in the depth summation of air buffer described in same position.

Further, it is also full in the depth summation h2 of air buffer described in same position and the thickness h 1 of the air chamber The following relation of foot：h2≥2h1/3.

According to some embodiments of the present utility model, set on each the side wall in the opposing sidewalls of the air chamber There is groove described at least one to limit multiple air buffers.

Alternatively, multiple air buffers are spaced apart in inward-outward direction.

Alternatively, the groove in the opposing sidewalls of the air chamber on the length direction of the oil pipe just To setting.

Further, each the side wall in the opposing sidewalls of the air chamber is provided with a groove.

Specifically, the cross-sectional area of the part on the outside of the groove of the air chamber is less than the air chamber The part on the inside of the groove cross-sectional area.

According to some embodiments of the present utility model, the groove is less than institute with the distance of the internal perisporium of the air chamber State the distance of groove and the periphery wall of the air chamber.

According to some embodiments of the present utility model, the distance between the opposing sidewalls of the air buffer are 1mm-3mm.

According to some embodiments of the present utility model, the air positioned at the same side of adjacent two fin Chamber is spaced apart to limit air flow channel.

Brief description of the drawings

Fig. 1 is the top view of the oil Heater warmer according to the utility model embodiment；

Fig. 2 a-2b are the parts of the different embodiments of the fin in the oil Heater warmer according to the utility model embodiment Structural representation；

Fig. 3 is the temperature distribution history in the inward-outward direction of air buffer according to the fin of the utility model embodiment Compare figure；

Fig. 4 is the heat radiation power of the oil Heater warmer according to the utility model embodiment and the oil Heater warmer of correlation technique Compare figure.

Reference：

Oil Heater warmer 100；

Oil pipe 1；Fin 2；Air chamber 21；Groove 210；Air flow channel 3.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality The limitation of type.

In description of the present utility model, it is to be understood that term " length ", " thickness ", " depth ", " on ", D score, " vertical ", " level ", " interior ", " outward ", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, It is for only for ease of description the utility model and simplifies description, must has rather than the device or element for indicating or imply meaning Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " is meant that at least two, such as two It is individual, three etc., unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be Mechanically connect, or electrically connect or can communicate each other；Can be joined directly together, it is also possible to by the indirect phase of intermediary Even, can be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction.For this For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.

The oil Heater warmer 100 according to the utility model embodiment is described below with reference to Fig. 1-Fig. 4.Arrow in Fig. 2 b refers to Be cold air flow direction.

As shown in Fig. 1-Fig. 2 b, the oil Heater warmer 100 according to the utility model embodiment, including：Two oil pipes 1 and many Individual fin 2.

Two oil pipes 1 are spaced apart in the vertical direction.The two ends of each fin 2 are respectively provided on two oil pipes 1, often The asphalt channel (not shown) connected with two oil pipes 1 is provided with individual fin 2, that is to say, that two oil pipes 1 are by multiple The asphalt channel 20 of fin 2 connects to form oily circulation loop.An at least lateral edges of each fin 2 are provided with logical with oil circuit At least one of the air chamber 21 at road interval, the opposing sidewalls on the length direction of oil pipe 1 of air chamber 21 side wall Groove 210 is provided with to limit air buffer.Preferably, the both sides of the edge of each fin 2 are equipped with air chamber 21, position Adjacent air chamber 21 in the same side is spaced apart.

It is understood that oil Heater warmer 100 also includes the heating rod being provided in the oil pipe 1 of lower section with to oil pipe Conduction oil in 1 is heated.Preferably, bimetallic temperature control element is installed on oil Heater warmer 100, when the temperature of conduction oil When reaching the temperature of user's setting, temperature control element can auto power off.

After oil Heater warmer 100 switches on power, the conduction oil in underlying oil pipe 1 is heated rod heating, then The conduction oil of high temperature is risen in oil pipe 1 above by the asphalt channel in multiple fin 2, forms oil circulation, Oil Heater warmer 100 is gone out the heat radiation of conduction oil by the perpendicular wall surfaces of two oil pipes 1 and fin 2, so as to heat The space environment of surrounding, rod heating is heated in dropping to underlying oil pipe 1 by air cooled conduction oil again, is started newly Circulation.

The thermal conductivity factor of known air is far smaller than the thermal conductivity factor of sheet metal, therefore outside oil Heater warmer 100 Cold air is entered into the groove 210 of air chamber 21 and will form cold air interlayer, and air buffer serves heat-blocking action. In the inward-outward direction of fin 2, the heat transfer between the inside of air chamber 21 of the both sides of groove 210 is hindered, so as to increase outer Cooling effect of the cold air in portion to the edge of fin 2.

Oil Heater warmer 100 according to the utility model embodiment sets air chamber 21 by the edge of fin 2, Compared with the oil Heater warmer of correlation technique, the sky at the edge of the fin 2 of the oil Heater warmer 100 of the utility model embodiment Gas gap enlargement, such that it is able to increase the area of dissipation of the edge of fin 2, is conducive to the radiating of the edge of fin 2, Reduce the temperature of the edge of fin 2.

Known Fourier Heat Conduction formula：Q is heat flow density, and λ is medium heat conduction coefficient, and A cuts for heat conduction Area,It is temperature along the rate of change in vertical cross-section direction.

The oil Heater warmer 100 of the utility model embodiment groove 210 is set in inward-outward direction with limit air every Layer such that it is able to the heat conduction distance extended to a certain extent in the air chamber 21 of fin 2, and then be conducive to the cold of outside Cooling of the air to the edge of fin 2, reduces the temperature at the edge of fin 2.Wherein the cooling extent at the edge of fin 2 with extension Heat conduction distance dependent.On the other hand, air chamber 21 is separated by air buffer, because the thermal conductivity factor of air is far smaller than gold Belong to the thermal conductivity factor of piece, therefore, in the inward-outward direction of fin 2, the biography between the inside of air chamber 21 of the both sides of groove 210 Heat will be hindered by air buffer, so as to be conducive to cooling of the cold air of outside to the edge of fin 2.

Oil Heater warmer 100 according to the utility model embodiment, air chamber 21 is set by the edge of fin 2, And groove 210 is set in air chamber 21 to limit air buffer, so as to increase the radiating surface at the edge of fin 2 Product, significantly reduces heat transfer of the high temperature inside fin 2 to the edge of fin 2, and then reduce the edge of fin 2 Temperature, it is to avoid user uses the danger being burned during oil Heater warmer 100.

On the length direction of oil pipe 1, the thickness of air chamber 21 is h1, and the depth of air buffer is h2, and inventor passes through Experiment finds that the thickness h 1 when air chamber 21 and the depth summation h2 in same position air buffer meet：During h2 ＞ h1/2, Significantly, outside cold air is obvious to the cooling effect at the edge of fin 2 for the effect of heat insulation of air buffer.Therefore, in this practicality In new preferred embodiment, the setting of the thickness h 1 of air chamber 21 and the depth summation h2 in same position air buffer is expired Foot：H2 ＞ h1/2.

Inventor is had found by further experiment, as depth summation h2 and air chamber in same position air buffer 21 thickness h 1 meets：During h2 >=2h1/3, the effect of heat insulation of air buffer is most notable, and outside cold air is to the edge of fin 2 Cooling effect it is most obvious.Therefore, in preferred exemplary of the present utility model, in the depth summation h2 of same position air buffer Thickness h 1 with air chamber 21 meets following relation：h2≥2h1/3.Inventor passes through experiment and also found, air chamber 21 The difference of thickness h 1 and the depth summation h2 in same position air buffer is at least 2.5mm, just can guarantee that the edge of fin 2 The reliability of radiating effect and oil Heater warmer 100.

Needs are illustrated, when the opposing sidewalls of air chamber 21 are provided with just right on the length direction of oil pipe 1 Air buffer when, the depth summation of same position air buffer refer to just to two air buffers depth sum. It is total in the depth of same position air buffer when air chamber 21 is provided with multiple air buffers of distribution in inward-outward direction With refer to each air buffer depth of itself.

According to some embodiments of the present utility model, each the side wall in the opposing sidewalls of air chamber 21 is provided with least One groove 210 is limiting multiple air buffers.It follows that at least provided with two grooves 210 in each air chamber 21, And then the effect of heat insulation of air buffer is improve, and cool exterior air is improved to the cooling effect at the edge of fin 2, it is effectively reduced The temperature at the edge of fin 2.

According to some embodiments of the present utility model, multiple air buffers are spaced apart in inward-outward direction.For example as schemed Shown in 2a, a groove 210 is respectively provided with the opposing sidewalls of air chamber 21, two grooves 210 are spaced in inward-outward direction Distribution, then two air buffers that groove 210 is limited are spaced apart in inward-outward direction.Thus formd in inward-outward direction Three air layers, three air layers include：Between two air buffers that two grooves 210 are limited and two grooves 210 Air layer, and then the effect of heat insulation of air buffer is improve, the high temperature inside fin 2 is reduced to the edge of fin 2 Heat transfer, improves cool exterior air to the cooling effect at the edge of fin 2, reduces the temperature at the edge of fin 2.Would certainly understand from It is that can also be to set multiple grooves 210 on the same side wall of air chamber 21.

According to other embodiments of the present utility model, the groove 210 in the opposing sidewalls of air chamber 21 is in oil pipe 1 Just to setting on length direction.So as to simple structure is easily manufactured.

Further, each the side wall in the opposing sidewalls of air chamber 21 is provided with a groove 210.For example, as schemed Shown in 2b, a groove 210, length direction of two grooves 210 in oil pipe 1 are respectively provided with the opposing sidewalls of air chamber 21 On just to set, two air buffers are formd in inward-outward direction, air buffer plays effect of heat insulation so that 210 liang of groove Heat transfer between the inside of air chamber 21 of side is hindered, and then improves cooling effect of the cool exterior air to the edge of fin 2 Really, the temperature at the edge of fin 2 is significantly reduced.Specifically, two the distance between grooves 210 just to setting are not less than 2.5mm。

Specifically, the position of the cross-sectional area less than air chamber 21 of the part positioned at the outside of groove 210 of air chamber 21 In the cross-sectional area of the part of the inner side of groove 210.Thus, it is possible to increase the effect of heat insulation of air buffer, the edge of fin 2 is improved Cooling efficiency.

According to some embodiments of the present utility model, groove 210 is less than groove with the distance of the internal perisporium of air chamber 21 210 with the distance of the periphery wall of air chamber 21.So as to increase the area at the edge of cool exterior air cold sink 2, carry Cool exterior air high improves the cooling efficiency at the edge of fin 2 to the cooling effect at the edge of fin 2.

According to some embodiments of the present utility model, the distance between the opposing sidewalls of air buffer are 1mm-3mm.From And, while the effect of heat insulation of air buffer is ensured, moreover it is possible to ensure the heat-sinking capability of fin 2.Inventor is sent out by testing Existing, when the distance between the opposing sidewalls of air buffer are for 2mm, not only the effect of heat insulation of air buffer significantly, and can also Enough ensure the area of dissipation at the edge of fin 2, improve the heat-sinking capability of fin 2, be effectively reduced the temperature at the edge of fin 2 Degree.

According to some embodiments of the present utility model, the air chamber 21 positioned at the same side of adjacent two fin 2 It is spaced apart to limit air flow channel 3.So as to the cold air for being conducive to the horizontal direction outside oil Heater warmer 100 passes through air The high-temperature region of the asphalt channel part that runner 3 enters between the adjacent fin 2 of oil Heater warmer 100, and dissipated in adjacent Circulate to exchange heat between backing 2.So as to, cold air contact with the edge of fin 2 of horizontal direction is increased, improve The flow strength of the outer surface air of fin 2 and the radiating effect at the edge of fin 2, and then reduce the temperature at the edge of fin 2 Degree, it is to avoid user uses the danger being burned during oil Heater warmer 100.

Inventor is found through experiments that the distance at adjacent two air chambers of fin 2 21 interval is not less than 5mm When, substantially, the flowing of the outer surface air of fin 2 is imitated for cooling, the cooling-down effect at the edge of fin 2 of oil Heater warmer 100 Fruit is most notable.

Below with reference to Fig. 1, Fig. 2 a and Fig. 4 to the structure of oil Heater warmer 100 according to one specific embodiment of utility model It is described in detail.It should be understood that, following explanation only has exemplary, and those of ordinary skill is reading this reality After with new following technical proposals, it is clear that technical scheme therein or some technical characteristics can be combined or Replace, change, this is also fallen within the protection domain required by the utility model.

As shown in Fig. 1 and Fig. 2 a, the oil Heater warmer 100 according to the utility model embodiment, including：Two Hes of oil pipe 1 Eight fin 2.

Two oil pipes 1 are spaced apart in the vertical direction.The two ends of each fin 2 are respectively provided on two oil pipes 1, often The asphalt channel connected with two oil pipes 1 is provided with individual fin 2, the both sides of the edge of each fin 2 are equipped with and lead to oil circuit The air chamber 21 at road interval, and the air chamber 21 positioned at the same side of two adjacent fin 2 is spaced apart with restriction Go out air flow channel 3, the spacing distance of the two neighboring air chamber 21 of the same side is 5mm.

A groove is designed with each side wall in the opposing sidewalls on the length direction of oil pipe 1 of air chamber 21 210 to limit air buffer, and two air buffers are spaced apart in inward-outward direction.Wherein, each air buffer is relative The distance between side wall is 2mm, and groove 210 is less than groove 210 and air chamber 21 with the distance of the internal perisporium of air chamber 21 Periphery wall distance.On the length direction of oil pipe 1, the difference of the thickness h 1 of air chamber 21 and the depth h2 of air buffer It is 2.5mm.

Inventor has found by substantial amounts of experiment, as shown in figure 3, oil Heater warmer 100 of the present utility model and related skill The oil Heater warmer of art is compared, the cooling for being provided with the edge of fin 2 beneficial to oil Heater warmer 100 of groove 210, particularly High-temperature region effect in asphalt channel part is the most obvious, the air mean temperature difference inside the air chamber 21 of the both sides of groove 210 It is 20 degrees Celsius, the temperature at the edge of fin 2 can be made to be down in safe range, it is to avoid user uses oil Heater warmer 100 During the danger that is burned.

Needs are illustrated, and in description of the present utility model, " high-temperature region " is it is merely meant that the setting oil of fin 2 The temperature in the region of paths is higher than the temperature in the region of the setting air chamber 21 of fin 2, and is not specific to specific temperature Value.

As shown in figure 4, inventor is drawn by experimental summary, compared with the oil Heater warmer 100 ' in correlation technique, this The integral heat sink area increase of the oil Heater warmer 100 of utility model embodiment, heat radiation power are improved, and lifting amplitude is about 13%.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered Row is combined and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (11)

1. a kind of oil Heater warmer, it is characterised in that including：

Two oil pipes, described two oil pipes are spaced apart in the vertical direction；

Multiple fin, the two ends of each fin are respectively provided on described two oil pipes, are set in each described fin There is the asphalt channel connected with described two oil pipes, an at least lateral edges of each fin are provided with and the asphalt channel At least one of the air chamber at interval, the opposing sidewalls on the length direction of the oil pipe of air chamber side wall Groove is provided with to limit air buffer.

2. oil Heater warmer according to claim 1, it is characterised in that on the length direction of the oil pipe, the sky The thickness of gas chamber is h1, is h2, wherein h2 ＞ h1/2 in the depth summation of air buffer described in same position.

3. oil Heater warmer according to claim 2, it is characterised in that total in the depth of air buffer described in same position Also meet following relation with the thickness h 1 of the air chamber with h2：h2≥2h1/3.

4. oil Heater warmer according to claim 1, it is characterised in that in the opposing sidewalls of the air chamber Each side wall is provided with groove described at least one to limit multiple air buffers.

5. oil Heater warmer according to claim 4, it is characterised in that between multiple air buffers are in the inward-outward direction Every distribution.

6. oil Heater warmer according to claim 4, it is characterised in that in the opposing sidewalls of the air chamber The groove is on the length direction of the oil pipe just to setting.

7. oil Heater warmer according to claim 6, it is characterised in that in the opposing sidewalls of the air chamber Each side wall is provided with a groove.

8. oil Heater warmer according to claim 7, it is characterised in that the air chamber positioned at groove outside Part cross-sectional area less than the air chamber the part on the inside of the groove cross-sectional area.

9. oil Heater warmer according to claim 1, it is characterised in that the internal perisporium of the groove and the air chamber Distance of the distance less than the groove and the periphery wall of the air chamber.

10. oil Heater warmer according to claim 1, it is characterised in that between the opposing sidewalls of the air buffer Distance is 1mm-3mm.

The 11. oil Heater warmer according to any one of claim 1-10, it is characterised in that two adjacent radiatings The air chamber positioned at the same side of piece is spaced apart to limit air flow channel.