CN1536592A

CN1536592A - Radiating method of taminated iron core and its structure

Info

Publication number: CN1536592A
Application number: CNA031102883A
Authority: CN
Inventors: 林亿民; 黄三荣
Original assignee: FEIRUI Co Ltd
Current assignee: FEIRUI Co Ltd
Priority date: 2003-04-10
Filing date: 2003-04-10
Publication date: 2004-10-13

Abstract

The invention relates to a laminated iron core cooling method and structure, composed of lamination of plural iron cores, and winding a multiturn coil on the laminated iron core, where between the two adjacent iron cores, it uses plural supporting objects to separate them both to form a cooling gap, thus by a large margin increasing the cooling area of the iron core, to resolve the deficiency in that the cooling is bad when many layers of iron cores are laminated.

Description

And the heat dissipating method of laminated core and structure

Technical field

The present invention relates to a kind of heat dissipating method and structure of and laminated core, referring to especially a kind ofly increases area of dissipation unshakable in one's determination and obtains the technology of high cooling efficiency.

Background technology

Iron core is widely used in making among numerous equipment such as transformer, inductance at present.And sometimes for adapting to user demand (as being applied to more high-power field), the iron core that must use the large scale specification can the coincident circuit design.Only the iron core of this kind large scale specification also can't be obtained sometimes easily, if specially the die sinking design often needs to spend higher cost voluntarily, therefore the more common practice promptly is with a plurality of iron cores and folded the use, or organize parallel connection by the magnetic element that single iron core is made more and use, but will spend higher cost

Seeing also shown in Figure 11ly, is an existing unshakable in one's determination and folded schematic diagram, and as shown in FIG., in peripheral winding multiturn coil 60, this kind structure really can satisfy the circuit design demand again for two 50a unshakable in one's determination, 50b and poststack, precisely because a big problem of deriving promptly be dispel the heat bad.Two 50a unshakable in one's determination, 50b contact fully shown in the figure, and are closely coated by the coil 60 of periphery, when electric current by behind the coil 60, temperature will raise in the short time rapidly, again during coil 60 intensive coating like this, the height heat energy dissipation more in real time that is produced; In case when also the number of laminated

core

50a, 50b increased, the amplitude that temperature rises was more obvious, demands one of problem of improving solution urgently so heat dissipation problem obviously becomes.

Summary of the invention

For solving aforementioned existing iron core and folded heat dissipation problem, main purpose of the present invention provides a kind of heat dissipation technology of iron core, and the total area of dissipation in the time of can effectively increasing the iron core parallel connection is to improve radiating efficiency.

For reaching aforementioned purpose, heat dissipation technology unshakable in one's determination of the present invention is when making a plurality of iron cores also folded, all separates to form the heat radiation slit with supporter between two adjacent iron cores, and the heat energy that the order iron core is produced when coil electricity is able to quick eliminating.

Heat dissipation technology of the present invention can be widely used in that various kind iron core does not limit and folded iron core must be identical material, even unlike material also can utilize method of the present invention to reach heat sinking function when unshakable in one's determination and folded.

Description of drawings

Fig. 1,2 is the schematic diagram of one embodiment of the invention;

Fig. 3,4 is the present invention and laminated core winding around schematic diagram;

Fig. 5,6 is the schematic diagram of another embodiment of the present invention;

Fig. 7,8 is the schematic diagram of further embodiment of this invention;

Fig. 9 is the present invention and laminated core heat radiation experimental data figure;

Figure 10 is existing and laminated core heat radiation experimental data figure;

Figure 11 is existing unshakable in one's determination and folded schematic diagram.

The main explanation of symbol among the figure

10a, 10b iron core

20 supporters

30 heat radiation slits

40 coils

50a, 50b iron core

60 coils

Embodiment

See also shown in Fig. 1,2, be the schematic diagram of one embodiment of the invention.Fig. 1 is with two other 10a unshakable in one's determination, 10b and is stacked as example, between two 10a unshakable in one's determination, 10b, be formed with a heat radiation slit 30, this heat radiation slit 30 can and be constituted in arbitrary 10a unshakable in one's determination, 10b formation protrusion, also or as present embodiment be with add supporter 20 be located at two 10a unshakable in one's determination, 10b with separate out one the heat radiation slit 30, the setting of wherein aforementioned supporter 20 can be located at arbitrary 10a unshakable in one's determination surface as shown in Figure 2.

Please refer to Fig. 3,4, when two 10a unshakable in one's determination, 10b and poststack, again in its peripheral multiturn coil 40 that twines, thereby when coil 40 energisings, because of there being heat radiation slit 30 to exist between two 10a unshakable in one's determination, the 10b, area of dissipation will greatly increase, and the heat energy of generation is directly dissipation fast just.

See also shown in Fig. 5,6, be another embodiment of the present invention, difference is that the supporter 20 of previous embodiment is cylindric and is horizontally placed between two 10a unshakable in one's determination, the 10b, and 20 of this supporters vertically are located between two 10a unshakable in one's determination, the 10b to strengthen heat radiation slit 30 in Fig. 5,6.

Please refer to Fig. 7,8, radiating mode of the present invention does not limit specification kind unshakable in one's determination, is 10a unshakable in one's determination, the 10b of other material as shown in FIG., also on average is provided with several supporters 20 to set up out heat radiation slit 30 between two-layer 10a unshakable in one's determination, 10b.Moreover the present invention does not also limit two also stack structures unshakable in one's determination, and it also may extend to the multilayer iron core and folded, has good heat radiation function equally.

For proving that heat dissipation technology of the present invention really can bring into play actual effect, please refer to shown in Fig. 9,10.Shown in Figure 9, for the present invention forms the experimental data figure of the heat radiation during slit between two iron cores, Figure 10 then is existing two directly applyings unshakable in one's determination and the experimental data figure when folded, and the specification unshakable in one's determination that two figure are adopted is identical.Temperature existing and laminated core is approximately 109 ℃, and after changing employing the present invention, can find that temperature obviously descends, and maximum temperature also is no more than 100 ℃.

In sum, heat dissipation technology unshakable in one's determination of the present invention really can effectively reduce temperature, promote compared to the existing skill effect of having really, moreover these modes does not also see public use at present.

Claims

1. the heat dissipating method of a kind and laminated core is characterized in that, spaced apart two-phase is adjacent unshakable in one's determination to form a heat radiation slit between two iron cores when plural number is unshakable in one's determination and folded, and is long-pending in order to the non-direct contact surface of the two adjacent iron cores that increase.

2. according to claim 1 and the heat dissipating method of laminated core, it is characterized in that this heat radiation slit is located between the two adjacent iron cores with supporter and is formed.

3. the radiator structure of a kind and laminated core, by a plurality of iron cores and foldedly constitute, and in and laminated core on twine multiturn coil, it is characterized in that, constitute the heat radiation slit with supporter between the two adjacent iron cores.

4. as described in the claim 3 and the radiator structure of laminated core, it is characterized in that this supporter is evenly distributed between the two adjacent iron cores.

5. as described in claim 3 or 4 and the radiator structure of laminated core, it is characterized in that this supporter is cylindric.