CN207231270U

CN207231270U - Heater

Info

Publication number: CN207231270U
Application number: CN201721194555.XU
Authority: CN
Inventors: 岳宝; 王文鹏; 尹洪
Original assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Priority date: 2017-09-18
Filing date: 2017-09-18
Publication date: 2018-04-13
Anticipated expiration: 2027-09-18

Abstract

The utility model provides a kind of heater, which includes heat source and multiple spaced first heat sinks, multiple first heat sinks are arranged on the side of heat source；Wherein, heat dissipation cavity is formed between two neighboring first heat sink, heat dissipation cavity includes first end and the second end, the first end opening of heat dissipation cavity, and the width of the first end of heat dissipation cavity is less than the width of the second end of heat dissipation cavity, wherein, the first end of heat dissipation cavity and the second end of heat dissipation cavity are set along the thickness direction of heat source, the first end of heat dissipation cavity is set away from heat source, and the second end of heat dissipation cavity is set close to heat source.Heater provided by the utility model, makes full use of stack effect, in the increase unit interval on direction from bottom to top, flow through the air capacity of heat dissipation cavity, the air of strengthened side enters in heat-dissipating cavity at the same time, reduces the temperature of the temperature, especially heat sink most edge of the first heat sink.

Description

Heater

Technical field

Household appliance technical field is the utility model is related to, more specifically, is related to a kind of heater.

Background technology

The operation principle of heater such as oil heater is to heat internal conduction oil with heat source (such as heating rod) to be formed The deep fat circulated, oil circuit are arranged on heat sink, and heat sink is transferred heat to when deep fat flows in oil circuit, via Heat sink passes to air so as to reach heating effect.

It is as shown in Figures 1 to 4 the existing structure diagram of heater 100 ', overall structure is mainly by heat sink 10 ', heat source 30 ' and upper cover 20 ' on heat sink form.Heat sink is periodic structure, and the basic configuration of each periodic unit is the same, For by the inner side trend tapered laterally (close to heat source).Heat source is generally the hair of thinner thickness between the heat sink of both sides Hot body, up to more than 200 degrees Celsius, the heat of high temperature heat source is delivered to air arrival user by heat sink and takes temperature after energization Warm purpose, heat sink and air are all heated during this.

From above structure, after heat source heating power, heat is delivered to air by the heat dissipation effect of heat sink and reaches To heating purpose.But the heat radiating fin structure is also in the presence of insufficient edge (user oriented one end) temperature for causing heat sink that radiates Height is spent, potential burn hazard is caused to user.

Utility model content

The utility model is intended at least solve one of technical problem existing in the prior art.

For this reason, the purpose of this utility model is to provide a kind of heater.

To achieve the above object, the embodiment of the utility model provides a kind of heater, including：Heat source；With multiple Every the first heat sink of setting, the side of the heat source is arranged on；Wherein, formed and dissipated between two neighboring first heat sink Hot chamber, the heat dissipation cavity include first end and the second end, the first end opening of the heat dissipation cavity, and the heat dissipation cavity The width of first end is less than the width of the second end of the heat dissipation cavity, wherein, the first end of the heat dissipation cavity is away from institute Heat source setting is stated, the second end of the heat dissipation cavity is set close to the heat source.

The heater that the utility model above-described embodiment provides, multiple first heat sinks are arranged at intervals, and positioned at heat source The same side, the heat transfer that heat source produces are delivered to air to the first heat sink, and through the first heat sink, realize heating effect. The width of the first end of heat dissipation cavity is less than the cross-sectional area of the width, the i.e. first end of heat dissipation cavity of the second end of heat dissipation cavity Less than the cross-sectional area of the second end of heat dissipation cavity, i.e., the cross section of heat dissipation cavity is in the shape that first end is small, the second end is big. And in correlation technique, since the cross-sectional area of the first heat sink first end is small, the second end cross-sectional area is big, cause adjacent The cross-sectional area that the first end of the heat dissipation cavity set out is enclosed between two the first heat sinks is more than the cross-sectional area of the second end.Phase Than when air moves from bottom to top in heat dissipation cavity in correlation technique, the application, can more make full use of stack effect, increase Amount of flow of the air in heat dissipation cavity, so that increase the heat that air is taken away, while the air of strengthened side enters in heat dissipation cavity, The temperature of the first heat sink is reduced, especially reduces the temperature at the first end most edge of the first heat sink.Along the thickness of heat source Direction, the first heat sink include the first end and the second end being oppositely arranged, and the first end of the first heat dissipation cavity piece is away from warm Source, close to heat source, i.e. the first end of the first heat sink corresponds to the first end of heat dissipation cavity, simultaneously for the second end of the first heat sink Set close to user, the second end of the first heat sink corresponds to the second end of heat dissipation cavity, in this way, the first of the first heat sink The temperature of end can also reduce, so as to avoid the lip temperature of the first end of the first heat sink is excessive from causing in heater use Danger, improve the security that uses of heater.

Preferably, along the direction of the second end from the first end of heat dissipation cavity to heat dissipation cavity, the cross-sectional area of heat dissipation cavity Gradually increase.

In addition, the heater that the utility model above-described embodiment provides also has following additional technical feature：

In above-mentioned technical proposal, it is preferable that first heat sink includes the first heat radiator body, first heat radiator body Include the first end and the second end being oppositely arranged with the first heat sink, set at the first end of first heat radiator body There is extension, wherein, the first end of the first end of first heat sink and first heat radiator body is away from the warm Source is set, and the second end of the second end of first heat sink and first heat radiator body is set close to the heat source.

The first end of first end the first heat sink of correspondence and the first end of heat dissipation cavity of first heat radiator body, first The second end of heat radiator body corresponds to the second end of the first heat sink and the second end of heat dissipation cavity.The of first heat radiator body One end stretches out to form extension, the heat dissipation area of the first heat sink first end is so on the one hand increased, so as to increase Area of heat transfer between first end and air by force, further reduces the temperature of first end, avoids the edge of first end Temperature is excessive, and on the other hand, extension is formed such that the width of the first end of heat dissipation cavity is less than the second end of heat dissipation cavity Width.

Preferably, heat dissipation cavity first end opening, the width of the first end opening of heat dissipation cavity is the first heat sink first The width of end and the stand out of the second end substrate.

Preferably, along the direction of the second end from the first end of heat dissipation cavity to heat dissipation cavity, the cross-sectional area of heat dissipation cavity Gradually increase, the i.e. width of heat dissipation cavity gradually increase.

In above-mentioned technical proposal, it is preferable that first heat sink includes the first heat radiator body, first heat radiator body Including the first end and the second end being oppositely arranged, the first end of first heat radiator body extends to form extension, with Make the cross-sectional area of the first end of first heat sink more than the cross-sectional area of the second end of first heat sink, its In, the first end of the first end of first heat sink and first heat radiator body is set away from the heat source, described The second end of first heat sink is set close to the heat source.

The first end of first heat radiator body extends, and extension increases the cross-sectional area of first end.

In above-mentioned technical proposal, it is preferable that the first end of the extension including first heat radiator body is to both sides The first extension and the second extension extended to form.

The first end of first heat radiator body forms the first extension and the second extension respectively to opposite both sides extension, That is the first extension and the second extension are respectively positioned at the opposite both sides of the first heat radiator body.

In above-mentioned technical proposal, it is preferable that the scope of the opening width of the first end of the heat dissipation cavity is 3mm~6mm, Preferably, the opening width of heat dissipation cavity is 3mm, 4mm, 5mm or 6mm, and the air-flow on the outside of heat dissipation cavity can opening by heat dissipation cavity Mouth enters in heat dissipation cavity, is conducive to heat dissipation cavity and makes full use of stack effect to radiate；And/or first heat radiator body The scope of the distance between the second end of first end and first heat radiator body is 60mm~80mm, the first heat radiator body First end and the distance between its second end it is bigger, the difficulty of processing of the first heat sink is bigger, the of the first heat sink The distance between one end and the second end are too small to cause the first fin length insufficient, to the heating effect of surrounding air Difference.Preferably, the first end of the first heat radiator body and the scope of the distance between the second end of the first heat radiator body are 60mm、65mm、70mm、75mm、80mm。

In above-mentioned technical proposal, it is preferable that the first end of first heat radiator body extends to form described prolong to side Extending portion.

In above-mentioned technical proposal, it is preferable that two neighboring first heat radiator body extends to form described to its same side Extension or two neighboring first heat radiator body extend towards to form the extension；And/or first heat dissipation is originally The first end of body and the scope of the distance between the second end of first heat radiator body are 50mm~75mm；And/or institute State the opening width and the scope of the ratio of the width of the extension in the heat dissipation cavity of the first end of heat dissipation cavity For 1/3~1/4.

When the first end of the first heat radiator body extends to form extension to side, two neighboring first heat radiator body can To extend to form extension to the same side of itself respectively, i.e., two neighboring first heat radiator body extends in the same direction, at this time, extension Positioned at the same side of the first coupled heat radiator body.Alternatively, two neighboring first heat radiator body difference is in the opposite direction Extension is extended to form, the extension of two neighboring first heat sink is oppositely arranged at this time.Preferably, the of the first heat radiator body The distance between one end and the second end of the first heat radiator body are 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, first The first end of heat radiator body and the distance between the second end of the first heat radiator body are related with the heating power of heater, also It is related with the facilities of extension, specifically, when adjacent first heat radiator body extends to form extension to its same side respectively, If heating power is 2000W, the distance between the second end of the first end of the first heat radiator body and the first heat radiator body Scope is 50mm~70mm, when two neighboring first heat radiator body extends towards to form extension, if heating power is 2000W, The scope of the distance between the first end of first heat radiator body and the second end of the first heat radiator body is 55mm~75mm.

The opening width of the first end of the heat dissipation cavity and the width of the extension in the heat dissipation cavity The scope of ratio is 1/3~1/4.I.e. at heat dissipation cavity first end, (extension is to dissipating for opening width and the shield portions of heat dissipation cavity The first end of hot chamber is blocked) the ratio between width be 1/3~1/4, it is preferable that the width of opening width and shield portions Ratio is 1/3 or 1/4.

In above-mentioned technical proposal, it is preferable that first heat radiator body is curvilinear, on the one hand strengthens the first heat radiator body Intensity, on the other hand increase the cross-sectional area of the first heat radiator body, it is convenient alternatively, first heat radiator body is linearly The processing of first heat radiator body；And/or first heat radiator body is obliquely installed or first heat radiator body is perpendicular to described Heat source is set；And/or the width of the width of the first end of first heat sink and the second end of first heat sink Ratio scope be 3~6 so that the cross-sectional area of the first end of the first heat sink be more than the first heat sink the second end Cross-sectional area, the ratio of the width of the second end of the width of the first end of the first heat sink and the first heat sink for 3, 4th, 5 or 6；And/or the second end of first heat radiator body extends to form first connecting portion, adjacent two first heat dissipation The first connecting portion of body is mutually clamped or is connected by fastener or mutually welded.

In above-mentioned technical proposal, it is preferable that the scope of the thickness of first heat sink is 0.5mm~1.2mm, avoids thickness Spend it is smaller cause difficulty of processing big, first heat sink cost is excessive caused by also avoiding thickness excessive, heater weight is excessive, excellent Selection of land, the thickness of the first heat sink is 0.5mm, 0.8mm, 1.0mm or 1.2mm；And/or first heat sink is metal the One heat sink, and first heat sink is molded by extrusion process, the first heat sink is metal material, it is preferable that is heat conduction The good metal of performance, such as aluminium, stainless steel etc., the first heat sink pass through extrusion forming (being also drawing process)；It is and/or described The scope of the thickness of heat source is 0.6mm~1.5mm, it is preferable that the thickness of heat source is 0.6mm, 0.9mm, 1.2mm or 1.5mm； And/or the heat source includes resistance wire and is wrapped in mica heater made of the mica of the resistance wire outer surface；And/or The heat source, from less than or equal to 0.5mm, to reduce heat source to the distance of the first heat sink, ensures to first fin pitch The heat that heat source produces smoothly can efficiently be delivered to the first heat sink, it is preferable that the distance of heat source to the first heat sink is 0th, 0.2mm or 0.5mm；And/or first heat sink protrudes to form reinforcing rib, reinforcing rib is located at first heat radiator body First end and first heat radiator body the second end between, alternatively, on the extension, the quantity of reinforcing rib can be with One or more, reinforcing rib can linearly or extension shape.

In above-mentioned technical proposal, it is preferable that the first end of first heat radiator body is to close to the direction of the heat source Extend to form the extension；Alternatively, the first end of first heat radiator body extends shape to the direction away from the heat source Into the extension.

In above-mentioned technical proposal, it is preferable that protective case is arranged with the extension, further prevents the first heat sink Scald user in one end edge.

In above-mentioned technical proposal, it is preferable that the heater further includes：Multiple second heat sinks, positioned at the heat source Opposite side, multiple second heat sinks and multiple first heat sinks are symmetrical or on the heat source on the heat source It is asymmetric.

It is the structure of the second heat sink, adjacent when multiple second heat sinks and multiple first heat sinks are symmetrical on heat source Structure of the structure of the heat dissipation cavity set out with the first heat sink, two neighboring first heat sink are enclosed between two the second heat sinks Between enclose the heat dissipation cavity set out structure it is identical.

In above-mentioned technical proposal, it is preferable that set respectively on first heat sink, the heat source and second heat sink Have the first connecting hole, the second connecting hole and the 3rd connecting hole, fastener through first connecting hole, second connecting hole and 3rd connecting hole, to connect first heat sink, second heat sink and the heat source；And/or described first dissipate Backing is mutually clamped with the heat source；And/or second heat sink is mutually clamped with the heat source；And/or first heat dissipation The second end of piece extends to form first connecting portion, and the first connecting portion of adjacent two first heat sink is mutually clamped or by tight Firmware is connected or mutually welds, it is preferable that the second end of the first heat radiator body extends along the direction parallel to heat source to both sides Connecting portion is formed, first connecting portion is extended to form to both sides for the first heat radiator body, the feelings of extension is extended to form to both sides Condition, the first heat sink is in I-shaped or similar I-shaped；And/or second heat sink includes the first end that is oppositely arranged And the second end, the second end of second heat sink extend to form second connecting portion, adjacent two second heat sink Second connecting portion is mutually clamped or is connected by fastener or mutually welded, wherein, the first end of second heat sink and institute The second end for stating the second heat sink is set along the thickness direction of the heat source, and the first end of second heat sink is away from institute Heat source setting is stated, the second end of second heat sink is set close to the heat source.Preferably, first connecting portion and second connects Socket part is set parallel to heat source, and the reinforcing rib of protrusion can also be set in first connecting portion and second connecting portion.

The additional aspect and advantage of the utility model will become obvious in following description section, or new by this practicality The practice of type is recognized.

Brief description of the drawings

The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein：

Fig. 1 is the structure diagram at first visual angle of heater in correlation technique；

Fig. 2 is the structure diagram at second visual angle of heater shown in Fig. 1；

Fig. 3 is the structure diagram of the heater part shown in Fig. 1；

Fig. 4 is the structure diagram at the 3rd visual angle of heater shown in Fig. 1.

Wherein, the correspondence in Fig. 1 to Fig. 4 between reference numeral and component names is：

100 ' heaters, 10 ' heat sinks, 20 ' upper covers, 30 ' heat sources.

Fig. 5 is the structure diagram at first visual angle of heater described in the embodiment one of the utility model；

Fig. 6 is the structure diagram at second visual angle of heater shown in Fig. 5；

Fig. 7 is the structure diagram of the heater part shown in Fig. 6；

Fig. 8 is the structure diagram of the heater described in first specific embodiment in embodiment one；

Fig. 9 is the structure diagram of the heater described in second specific embodiment in embodiment one；

Figure 10 is the structure diagram of the heater described in the 3rd specific embodiment in embodiment one；

Figure 11 is the structure diagram of the heater described in the 4th specific embodiment in embodiment one；

Figure 12 is the structure diagram of the heater described in the 5th specific embodiment in embodiment one；

Figure 13 is the structure diagram of the heater described in the 6th specific embodiment in embodiment one；

Figure 14 is the structure diagram of the heater described in the 7th specific embodiment in embodiment one；

Figure 15 is the structure diagram at first visual angle of heater described in the embodiment two of the utility model；

Figure 16 is the structure diagram at second visual angle of heater shown in Figure 15；

Figure 17 is the structure diagram of the heater part shown in Figure 16；

Figure 18 is the structure diagram of the heater described in first specific embodiment in embodiment two；

Figure 19 is the structure diagram of the heater described in second specific embodiment in embodiment two；

Figure 20 is the structure diagram of the heater described in the 3rd specific embodiment in embodiment two；

Figure 21 is the structure diagram at first visual angle of heater described in one embodiment of the utility model；

Figure 22 is the structure diagram at second visual angle of heater shown in Figure 21；

Figure 23 is the heater in heater and correlation technique described in the embodiment of the utility model, the first heat sink Relation between brim height and corresponding lip temperature.

Wherein, correspondences of the Fig. 5 into Figure 22 between reference numeral and component names is：

1 heat source, 2 first heat sinks, 21 first ends, 22 the second ends, 23 extensions, 231 first extensions, 232 Two extensions, 24 first connecting portions, 26 reinforcing ribs, 27 first heat radiator bodies, 3 second heat sinks, 4 heat dissipation cavities, 100 heaters.

Embodiment

In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, below in conjunction with the accompanying drawings and have The utility model is further described in detail in body embodiment.It should be noted that in the case where there is no conflict, this Shen The feature in embodiment and embodiment please can be mutually combined.

Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality It is new to be implemented using other different from mode described here, therefore, the scope of protection of the utility model and from The limitation of following public specific embodiment.

Heater 100 according to some embodiments of the utility model is described with reference to the accompanying drawings.

As shown in Fig. 5, Fig. 6, Figure 21 and Figure 22, according to a kind of heater of the utility model some embodiments offer, take Warmer includes heat source 1 and multiple spaced first heat sinks 2, multiple first heat sinks 2 are arranged on the side of heat source；Its In, heat dissipation cavity 4 is formed between two neighboring first heat sink 2, heat dissipation cavity 4 includes first end 28 and the second end 29, radiates The first end 28 of chamber 4 is open, and the width of the first end of heat dissipation cavity 4 is less than the width of the second end of heat dissipation cavity 4, its In, the first end of heat dissipation cavity 4 and the second end of heat dissipation cavity 4 are set along the thickness direction of heat source, the first end of heat dissipation cavity 4 Set away from heat source, the second end of heat dissipation cavity 4 is set close to heat source 1.

The heater 100 that the utility model above-described embodiment provides, multiple first heat sinks 2 are arranged at intervals, and positioned at heat The same side in source, the heat transfer that heat source produces are delivered to air to the first heat sink 2, and through the first heat sink 2, realize heating Effect.The width of the first end of heat dissipation cavity 4 is less than the horizontal stroke of the width, the i.e. first end of heat dissipation cavity of the second end of heat dissipation cavity Sectional area is less than the cross-sectional area of the second end of heat dissipation cavity 4, i.e. the cross section of heat dissipation cavity 4 is in that first end is small, the second end Big shape.And in correlation technique, since the cross-sectional area of 2 first end of the first heat sink is small, cross-sectional area of the second end Greatly, the cross-sectional area for the first end for causing to enclose the heat dissipation cavity 4 set out between two neighboring first heat sink 2 is more than the second end Cross-sectional area., more can be fully sharp when air moves from bottom to top in heat dissipation cavity 4 in the application compared to correlation technique With stack effect, amount of flow of the increase air in heat dissipation cavity 4, so as to increase the heat that air is taken away, reduces the first heat sink 2 Temperature.Along the thickness direction of heat source, the first heat sink 2 includes the first end and the second end being oppositely arranged, the first heat dissipation The first end that chamber is 4 is away from heat source, the first end of the second end of the first heat sink 2 close to heat source, i.e. the first heat sink 2 The first end of corresponding heat dissipation cavity 4 is simultaneously set close to user, and the second end of the first heat sink 2 corresponds to the second of heat dissipation cavity 4 End, in this way, the temperature of the first end of the first heat sink 2 can also reduce, so that avoid the first end of the first heat sink 2 The excessive danger caused in 100 use of heater of lip temperature, improves the security that heater 100 uses.

As shown in figure 23, curve Z represent in correlation technique on the first heat sink at different height (along the vertical direction for Short transverse) first end edge and the edge temperature relation, curve W represented in the application on the first heat sink The edge of first end at different height and the relation of the temperature of the edge.As can be seen that at for sustained height The temperature at the edge of first end, the temperature at the edge is higher than the temperature at the edge in the application in correlation technique.

Preferably, along the direction of the second end from the first end of heat dissipation cavity 4 to heat dissipation cavity 4, the cross section of heat dissipation cavity 4 Product gradually increase.

Embodiment one：

A kind of heater 100, including heat source and multiple spaced first heat sinks 2, multiple first heat sinks 2 are set In the side of heat source；Wherein, heat dissipation cavity 4 is formed between two neighboring first heat sink 2, heat dissipation cavity 4 includes first end and the Two ends, the first end opening of heat dissipation cavity 4, and the width of the first end of heat dissipation cavity 4 are less than the second end of heat dissipation cavity 4 Width, wherein, the first end of heat dissipation cavity 4 and the second end of heat dissipation cavity 4 are set along the thickness direction of heat source, heat dissipation cavity 4 First end is set away from heat source, and the second end of heat dissipation cavity 4 is set close to heat source.

Preferably, along the direction of the second end from the first end of heat dissipation cavity 4 to heat dissipation cavity 4, the cross section of heat dissipation cavity 4 Gradually increase, the i.e. width of heat dissipation cavity gradually increase product.

As shown in Fig. 7 to Figure 14, the first heat sink 2 includes the first heat radiator body 27, and the first heat radiator body 27 includes opposite The first end and the second end of setting, the first end of the first heat radiator body are equipped with extension 23, wherein, the first heat sink First end and the first end of the first heat radiator body are set away from heat source, and the second end of the first heat sink and the first heat dissipation are originally The second end of body is set close to heat source.

The first end of first heat radiator body 27 extends, and forms extension 23, and extension 23 increases the first heat dissipation The cross-sectional area of 2 first end of piece, that is, increase the width of the first end of the first heat sink, increases the of the first heat sink Heat exchange area between one end and air, reduce further the temperature of the first end of the first heat sink.

Preferably, extension 23 includes the first extension that the first end of the first heat radiator body is extended to form to both sides 231 and second extension 232.

As shown in Figures 5 to 7, the first end of the first heat radiator body forms the first extension respectively to opposite both sides extension 231 and second extension 232 of portion, i.e. the first extension 231 and the second extension 232 are opposite positioned at the first heat radiator body respectively Both sides.

Preferably, the scope of the opening width of the first end of heat dissipation cavity is 3mm~6mm (width left sides along figure Fig. 7 Right direction is set), the scope of the opening width of the first end of heat dissipation cavity 4 is 3mm~6mm, it is preferable that the opening of heat dissipation cavity 4 Width is 3mm, 4mm, 5mm or 6mm, and the air-flow in the outside of heat dissipation cavity 4 can be entered in heat dissipation cavity 4 by the opening of heat dissipation cavity 4, be had Stack effect is made full use of to radiate beneficial to heat dissipation cavity 4.

Preferably, between the first end of the first heat radiator body 27 and the second end of first heat radiator body 27 away from Scope from (as shown in E in Fig. 6, in Figure 11 shown in E, in Figure 17 shown in N) is 60mm~80mm.

Preferably, the width (as shown in F in Fig. 6, in Figure 17 shown in M) of the first end of the first heat sink and the first heat dissipation The scope of the ratio of the width (width at position as shown in G in Fig. 6) of the second end of piece is 3~6 so that the first heat sink The cross-sectional area of 2 first end is more than the cross-sectional area of the second end of the first heat sink 2, the first end of the first heat sink 2 The ratio of the width of the second end of the width in portion and the first heat sink 2 for 3,4,5 or 6.

Preferably, as shown in figure 11, the first end of the first heat radiator body extends to form extension to the direction close to heat source 1 Portion 23, alternatively, as shown in figure 12, the first end of the first heat radiator body extends to form extension 23 to the direction away from heat source 1. Protective case is arranged with extension.

Preferably, as shown in figure 18 and figure, the first heat sink 2 is curvilinear, alternatively, as shown in figure 14, the first heat dissipation Piece 2 is linearly.

Preferably, as shown in Figure 10, the first heat sink 2 is obliquely installed, it is preferable that the first heat radiator body is obliquely installed.Or First heat sink 2 as shown in Figure 9 is set perpendicular to heat source 1, it is preferable that the first heat radiator body is set perpendicular to heat source.

Preferably, the first heat sink protrudes to form reinforcing rib 26.Specifically, as shown in Figure 14, Figure 19, Figure 20, first dissipates Hot body protrudes to form reinforcing rib, alternatively, as shown in Fig. 8, Figure 18, extension protrudes to form reinforcing rib, alternatively, as shown in figure 9, The protrusion of first connecting portion 24 forms reinforcing rib.

Preferably, the scope of the thickness of the first heat sink 2 is 0.5mm~1.2mm, avoids thickness is smaller from causing difficulty of processing Greatly, 2 cost of the first heat sink caused by also avoiding thickness excessive is excessive, 100 weight of heater is excessive, it is preferable that the first heat dissipation The thickness of piece 2 is 0.5mm, 0.8mm, 1.0mm or 1.2mm.

Preferably, the first heat sink 2 is the first heat sink of metal 2, and the first heat sink 2 is molded by extrusion process, the One heat sink 2 is metal material, it is preferable that passes through extrusion forming for the metal of good heat conductivity, such as aluminium, the first heat sink 2 (being also drawing process).

Preferably, the scope of the thickness of heat source 1 is 0.6mm~1.5mm, it is preferable that the thickness of heat source 1 for 0.6mm, 0.9mm, 1.2mm or 1.5mm.Preferably, heat source is set along the vertical direction in flake, short transverse.

Preferably, heat source 1 includes resistance wire and is wrapped in mica heater made of the mica of resistance wire outer surface.

The heat sink of heat source 1 to the first 2 is apart from less than or equal to 0.5mm, to reduce the distance of the heat sink of heat source 1 to the first 2, Ensure that the heat that heat source 1 produces smoothly can efficiently be delivered to the first heat sink 2, it is preferable that the heat sink of heat source 1 to the first 2 Distance for 0,0.2mm or 0.5mm.

Preferably, heater 100 further includes：Multiple second heat sinks 3, positioned at the opposite side of heat source 1, multiple second heat dissipations Piece 3 is symmetrical or asymmetric on heat source 1 on heat source 1 with multiple first heat sinks 2.

When multiple second heat sinks 3 and multiple first heat sinks 2 are symmetrical on heat source 1, the structure of the second heat sink 3, Structure of the structure of the heat dissipation cavity 4 set out with the first heat sink 2, two neighboring are enclosed between two neighboring second heat sink 3 The structure that the heat dissipation cavity 4 set out is enclosed between one heat sink 2 is identical.

Preferably, the first heat sink 2, be respectively equipped with the first connecting hole, the second connecting hole on 1 and second heat sink 3 of heat source With the 3rd connecting hole, fastener passes through the first connecting hole, the second connecting hole and the 3rd connecting hole, to connect the first heat sink 2, the Two heat sinks 3 and heat source 1, make heat source 1 be clipped between the first heat sink 2 and the second heat sink 3.

Preferably, the first heat sink 2 is clamped with 1 phase of heat source；And/or second heat sink 3 and 1 phase of heat source be clamped.It is preferred that Ground, the second end of the first heat sink 2 extend to form first connecting portion 24, the first connecting portion 24 of adjacent two first heat sink 2 Mutually it is clamped or is connected by fastener or mutually welded.

Preferably, the second heat sink includes the first end and the second end being oppositely arranged, the second end of the second heat sink Portion extends to form second connecting portion, and the second connecting portion of adjacent two second heat sink is mutually clamped or is connected by fastener or phase Welding, wherein, the second end of the first end of the second heat sink and the second heat sink is set along the thickness direction of heat source, and second The first end of heat sink is set away from heat source, and the second end of the second heat sink is set close to heat source.Preferably, the first connection Portion and second connecting portion are set parallel to heat source, and the reinforcing rib of protrusion can also be set in first connecting portion and second connecting portion.

Embodiment two：

It is with the difference of embodiment one, as shown in Figure 15 to Figure 22, the first end of the first heat radiator body prolongs to side Stretch to form extension 23.

Preferably, as shown in figure 21 and figure, adjacent two first heat radiator body extends to form extension 23 to its same side, Alternatively, as shown in Figure 15 and Figure 16, two neighboring first heat radiator body extends towards to form extension 23.

When the first end of the first heat radiator body extends to form extension 23 to side, two neighboring first heat radiator body Extension 23 can be extended to form to the same side of itself respectively, i.e., two neighboring first heat radiator body extends in the same direction, and at this time, prolongs Extending portion 23 is located at the same side of the first coupled heat radiator body.Alternatively, two neighboring first heat radiator body is respectively to opposite Direction extend to form extension 23, the extension 23 of two neighboring first heat radiator body is oppositely arranged at this time.

Preferably, the distance between the first end of the first heat radiator body and the second end of the first heat radiator body are (as schemed In 17 shown in N) scope be 50mm~75mm, it is preferable that the of the first end of the first heat radiator body and the first heat radiator body The distance between two ends are 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, the first end of the first heat radiator body and first The distance between the second end of heat radiator body is related with the heating power of heater 100, the facilities also with extension 23 It is related, specifically, when adjacent first heat radiator body extends to form extension 23 to its same side respectively, if heating power is The scope of the distance between the second end of 2000W, the first end of the first heat radiator body and the first heat radiator body for 50mm~ 70mm, when two neighboring first heat radiator body extends towards to form extension 23, if heating power is 2000W, the first heat dissipation is originally The scope of the distance between the first end of body and the second end of the first heat radiator body is 55mm~75mm.

Preferably, the first end of heat dissipation cavity 4 has opening, and the opening width of heat dissipation cavity 4 is with being located in heat dissipation cavity 4 The scope of the ratio of the width of extension 23 be 1/3~1/4, i.e., at 4 first end of heat dissipation cavity, the opening width of heat dissipation cavity 4 and The ratio between width of shield portions (extension 23 blocks the first end of heat dissipation cavity 4) is 1/3~1/4, it is preferable that opening The ratio of width and the width of shield portions is 1/3 or 1/4.

As shown in figure 18, extension and first connecting portion, second connecting portion are equipped with reinforcing rib, such as Figure 19 and Figure 20 institutes Show, the first heat radiator body is equipped with reinforcing rib.

In conclusion the heater 100 that the utility model embodiment provides, the cross section of 2 first end of the first heat sink Product, so as to increase the heat dissipation area between first end and air, is reduced more than the cross-sectional area of 3 the second end of the second heat sink The temperature at first end edge, and the cross section of the first end of the heat dissipation cavity 4 of the formation between two neighboring first heat sink 2 Product further utilizes the temperature at 2 first end edge of stack effect the first heat sink of reduction less than the cross-sectional area of the second end.

In the description of the utility model, unless otherwise clearly defined and limited, term " multiple " refers to two or two More than a；Unless otherwise prescribed or illustrate, term " connection ", " fixation " etc. should all be interpreted broadly, for example, " connection " can be It is fixedly connected or is detachably connected, or be integrally connected, or is electrically connected；It can be directly connected, can also be in Between medium be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be Concrete meaning in utility model.

In the description of this specification, it is to be understood that the instruction such as term " on ", " under ", "front", "rear", "left", "right" Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and letter Change description, rather than instruction or imply signified device or unit must have specific direction, with specific azimuth configuration and Operation, it is thus impossible to be interpreted as the limitation to the utility model.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that combining the particular features, structures, materials, or characteristics that the embodiment or example describe is contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example In combine in an appropriate manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.

Claims

A kind of 1. heater, it is characterised in that including：

Heat source；With

Multiple spaced first heat sinks, are arranged on the side of the heat source；

Wherein, heat dissipation cavity is formed between two neighboring first heat sink, the heat dissipation cavity includes first end and second end Portion, the first end opening of the heat dissipation cavity, and the width of the first end of the heat dissipation cavity are less than the second of the heat dissipation cavity The width of end, wherein, the first end of the heat dissipation cavity is set away from the heat source, and the second end of the heat dissipation cavity is close The heat source is set.
2. heater according to claim 1, it is characterised in that

First heat sink includes the first heat radiator body, and first heat radiator body and first heat sink include opposite The first end and the second end of setting, are equipped with extension at the first end of first heat radiator body, wherein, described first The first end of heat sink and the first end of first heat radiator body are set away from the heat source, first heat sink The second end and the first heat radiator body the second end are set close to the heat source.
3. heater according to claim 2, it is characterised in that

The extension includes the first extension and second that the first end of first heat radiator body is extended to form to both sides Extension.
4. heater according to claim 3, it is characterised in that

The scope of the opening width of the first end of the heat dissipation cavity is 3mm~6mm；And/or

The first end of first heat radiator body and the scope of the distance between the second end of first heat radiator body are 60mm~80mm.
5. heater according to claim 2, it is characterised in that

The first end of first heat radiator body extends to form the extension to side.
6. heater according to claim 5, it is characterised in that

Two neighboring first heat radiator body extends to form the extension or two neighboring described first to its same side Heat radiator body extends towards to form the extension；And/or

The first end of first heat radiator body and the scope of the distance between the second end of first heat radiator body are 50mm~75mm；And/or

The opening width of the first end of the heat dissipation cavity and the ratio of the width of the extension in the heat dissipation cavity Scope be 1/3~1/4.
7. the heater according to any one of claim 2 to 6, it is characterised in that

First heat radiator body is curvilinear, alternatively, first heat radiator body is linearly；And/or

First heat radiator body is obliquely installed or first heat radiator body is set perpendicular to the heat source；And/or

The model of the width of the first end of first heat sink and the ratio of the width of the second end of first heat sink Enclose for 3~6；And/or

The second end of first heat radiator body extends to form first connecting portion, and the first of adjacent two first heat radiator body Connecting portion is mutually clamped or is connected by fastener or mutually welded.
8. heater according to any one of claim 1 to 6, it is characterised in that

The scope of the thickness of first heat sink is 0.5mm~1.2mm；And/or

First heat sink is the first heat sink of metal, and first heat sink is molded by extrusion process；And/or

The distance of the heat source to first heat sink is less than or equal to 0.5mm；And/or

The scope of the thickness of the heat source is 0.6mm~1.5mm；And/or

The heat source includes resistance wire and the mica for being wrapped in the resistance wire outer surface；And/or

First heat sink protrudes to form reinforcing rib.
9. the heater according to any one of claim 2 to 6, it is characterised in that

The first end of first heat radiator body extends to form the extension to the direction close to the heat source；Alternatively,

The first end of first heat radiator body extends to form the extension to the direction away from the heat source.
10. heater according to claim 9, it is characterised in that

Protective case is arranged with the extension.
11. heater according to any one of claim 1 to 6, it is characterised in that further include：

Multiple second heat sinks, positioned at the opposite side of the heat source, multiple second heat sinks and multiple first heat dissipations Piece is symmetrical or asymmetric on the heat source on the heat source.
12. heater according to claim 11, it is characterised in that

Be respectively equipped with first heat sink, the heat source and second heat sink the first connecting hole, the second connecting hole and 3rd connecting hole, fastener passes through first connecting hole, second connecting hole and the 3rd connecting hole, with described in connection First heat sink, second heat sink and the heat source；And/or

First heat sink is mutually clamped with the heat source；

And/or second heat sink is mutually clamped with the heat source；

And/or second heat sink includes the first end and the second end that are oppositely arranged, the second of second heat sink End extends to form second connecting portion, and the second connecting portion of adjacent two second heat sink is mutually clamped or is connected by fastener Connect or mutually weld, wherein, the second end of the first end of second heat sink and second heat sink is along the heat source Thickness direction set, the first end of second heat sink sets away from the heat source, the second of second heat sink End is set close to the heat source.