CN103615921A - Novel radiator - Google Patents
Novel radiator Download PDFInfo
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- CN103615921A CN103615921A CN201310538370.6A CN201310538370A CN103615921A CN 103615921 A CN103615921 A CN 103615921A CN 201310538370 A CN201310538370 A CN 201310538370A CN 103615921 A CN103615921 A CN 103615921A
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- heat pipe
- platelike
- evaporator section
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Abstract
The invention provides a novel radiator which comprises a plurality of plate-shaped heat pipes arranged on a heating face of a heating body in a combining mode. The plate-shaped heat pipes are multiple miniature independent heat pipe structure bodies which are arranged side by side in a radiating plate along the plate face, and the pipe side walls are connected with each other. The plate-shaped heat pipes are divided into evaporating sections and condensation sections in the axis direction of miniature independent heat pipes. All or parts of the evaporating sections are attached with the heating face of the heating body. The condensation sections are free plate faces in contact with air. The size and the weight of the radiator are greatly lowered, and meanwhile radiating efficiency is improved.
Description
Technical field
The present invention relates to a kind of radiator, be particularly arranged on the radiator on frequency converter, power electronic devices and other heaters.
Background technology
Frequency converter is application converter technique and microelectric technique, controls the electric control appliance of ac motor by changing machine operation supply frequency mode.The IGBT(Insulated Gate Bipolar Transistor of the inner portion of frequency converter, insulated gate bipolar transistor) voltage and the frequency of cut-offfing to adjust out-put supply, according to the actual needs of motor, provide its needed supply voltage, and then reach object energy-conservation, speed governing.Along with improving constantly of industrial automatization, frequency converter has also obtained application very widely.
Frequency converter can produce a large amount of heat in the course of the work, and main heat producing components is IGBT and rectifier bridge.The fault rate of frequency converter raises and increases sharply with temperature, and raise and fast-descending service life with temperature.Therefore, frequency converter must be equipped with applicable radiator to reduce operating temperature.
Fig. 1 has shown the basic structure of existing frequency converter radiator.Radiator comprises the substrate 12 of heat conduction, substrate 12 comprises again heat source-contacting surface 14 and heat pipe installed surface 13, the radiating surface transmission of heat by contact of heat source-contacting surface 14 and frequency converter, on heat pipe installed surface 13, be provided with many rows of sockets or numerous jack, on heat pipe installed surface 13, by inserting slot or jack, some heat pipes 10 are installed, on the radiating segment of heat pipe 10, be provided with radiating fin sheet 11, radiating fin 11 is generally copper sheet or aluminium flake.Heat pipe 10 be a sealing, be the copper pipe of vacuum in it, in copper pipe, be marked with liquid refrigerant, common copper pipe is circular tube.Existing frequency converter by the problem that radiator exists is: be limited to conventional heat pipe specific area little, single heat pipe cryosurface and fin contact-making surface are little, the not high inherent shortcoming of fin efficiency, and the volume of single heat pipe is larger, fin contact and spacing are unreasonable etc., thereby cause the volume of frequency converter radiator integral, weight larger, and cost is high, air flow channel easily stops up, technique is loaded down with trivial details.
Equally, various types of power electronic devices must arrange the occasion of radiator due to device heating problem, and existing radiator has the problems referred to above.There are equally these problems in the heat radiation of other heaters.
Summary of the invention
For the problem such as solve volume that radiator in prior art exists, weight is large, air flow channel easily stops up and cost is high, technique is loaded down with trivial details, the invention provides a kind of new radiator, have volume little, lightweight, air flow channel is difficult for blocking, cost is low and the simple advantage of technique.
Technical scheme of the present invention is as follows:
New radiator, comprises that combination is arranged on many Platelike heat pipes on heater heating face, and described Platelike heat pipe is a plurality of miniature independent heat pipe structure body that be set up in parallel along plate face in heat sink, the interconnection of pipe sidewall; Described Platelike heat pipe is divided into evaporator section and condensation segment along the axis direction of described miniature independent heat pipe, all or part of and described heater heating face laminating of described evaporator section, and described condensation segment is the free plate face contacting with air.
The part of not being combined with heating face with evaporator section on the condensation segment of described Platelike heat pipe is provided with radiating fin.
The thickness of described Platelike heat pipe is between 0.5mm to 10mm, and the equivalent diameter of described miniature independent heat pipe is between 0.1mm to 8mm time, and the length ratio of the length of described evaporator section and described Platelike heat pipe axis direction is 1:5 to 1:100000.
The thickness of described Platelike heat pipe is between 1.0mm to 4mm, and the equivalent diameter of described miniature independent heat pipe is between 0.3mm to 3mm time, and the length ratio of the length of described evaporator section and described Platelike heat pipe axis direction is 1:10 to 1:200.
Described heater is the substrate contacting with thermal source, described substrate comprises heat source-contacting surface and heat pipe installed surface, on described heat pipe installed surface, be provided with and arrange sidewalls more the slot that is plane, partly mates with described evaporator section, described Platelike heat pipe inserts slot by described evaporator section and is fixed on described substrate, and part or all of plate face and the socket sidewalls of described evaporator section fits tightly.
The thickness of described Platelike heat pipe is between 0.5mm to 10mm, and the equivalent diameter of described miniature independent heat pipe is between 0.1mm to 8mm time, and the length ratio of the height of described slot and described Platelike heat pipe axis direction is 1:5 to 1:100000.
The thickness of described Platelike heat pipe is between 1.0mm to 4mm, and the equivalent diameter of described miniature independent heat pipe is between 0.3mm to 3mm time, and the length ratio of the height of described slot and described Platelike heat pipe axis direction is 1:10 to 1:200.
In a certain slot on described heat pipe installed surface, along flute length direction, be set up in parallel a plurality of described Platelike heat pipes.
Described new radiator is frequency converter radiator, after described frequency converter radiator assembling, above the above condensation segment of gravity direction is positioned at described evaporator section.
Described heat source-contacting surface is parallel with heat pipe installed surface, and described Platelike heat pipe favours the setting of described heat pipe installed surface.
The material of described substrate and described Platelike heat pipe is aluminum or aluminum alloy.
Described Platelike heat pipe is micro heat pipe array Platelike heat pipe.
Technique effect of the present invention: have volume little, lightweight, air flow channel be difficult for to block, the low and simple advantage of technique of cost.
New radiator of the present invention, adopt Platelike heat pipe as thermal component, because Platelike heat pipe is the platy structure being formed by a plurality of miniature independent heat pipes, therefore comparing the traditional round heat pipe that specific area is little has the advantages that specific area is large, so not just as conventional heat pipe plays conductive force, and mainly play a part to air to dispel the heat, because area of dissipation is large, therefore can not need on Platelike heat pipe, to arrange again fin, just can realize the function with the radiator heat-dissipation of the round heat pipe composition of fin, so the difficult obstruction of air flow channel.Due to contact area and area of dissipation large, simultaneously heat conduction is fast, the therefore existing radiator of relatively same heat dissipation capacity, volume is little, Platelike heat pipe can adopt lightweight metal material extruding to make, and compares existing copper coin heat pipe, not only lightweight, and cost is low, technique is simple.
With respect to existing frequency converter and power electronic devices radiator, the present invention has substituted traditional round heat pipe of the prior art with Platelike heat pipe, because socket sidewalls is plane, the plate face of the evaporator section of Platelike heat pipe is larger than round heat pipe with the contact-making surface of socket sidewalls, can guarantee more transmission of heat by contact face, reduce thermal contact resistance, in Platelike heat pipe, unit volume hot working fluid conduction surface is large simultaneously, and because being pegs graft, than the convenient welding of round heat pipe and practicality.Platelike heat pipe is owing to there being the specific area more much bigger than round heat pipe, and condensing heat-exchange face both can be own as fin and air heat-exchange, also can be in conjunction with traditional fin heat radiation, and fin efficiency is high, therefore high than the heat transfer efficiency of existing round heat pipe.Therefore, at heat output under large and this prerequisite of efficiency height, frequency converter and power electronic devices are little with the volume of heat pipe in the volume ratio prior art of the Platelike heat pipe of radiator, also make frequency converter of the present invention and power electronic devices reduce by overall volume, the weight of radiator over half, realized object of the present invention.
Accompanying drawing explanation
Fig. 1 is the structure chart of radiator for existing frequency converter.
Fig. 2 is the structural representation that new type inverter of the present invention tilts and arranges at heater heating face.
Fig. 3 is the structural representation vertically arranging perpendicular to substrate surface on substrate.
Fig. 4 installs the schematic diagram of fin additional on flat-plate heat pipe 20.
In figure, sign is described as follows:
10, heat pipe; 11, radiating fin; 12, substrate; 13, heat pipe installed surface; 14, heat source-contacting surface;
20, Platelike heat pipe; 21, heat pipe installed surface; 22, heat source-contacting surface; 23, substrate;
41, radiating fin.
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is elaborated.
Fig. 2 and Fig. 3 have shown that new radiator of the present invention is for the frequency converter example that dispels the heat, and Fig. 3 substrate 23 is for analysing and observe.Frequency converter and power electronic devices new radiator, comprise substrate 23.Substrate 23 can be considered a kind of of heater, is combined with thermal source, comprises 21 two plate faces parallel to each other of heat source-contacting surface 22 and heat pipe installed surface, and heater itself can be also thermal source certainly, such as chip.Heat source-contacting surface 22 for frequency converter heat producing components (for example IGBT and rectifier bridge) thermal contact conductance.On the heat pipe installed surface 21 of substrate 23, be provided with the slot that many row's sidewalls are plane, Platelike heat pipe 20 is inserted in described slot and its evaporator section and slot side fit tightly, Fig. 2 shows, and to be that same slot is tilted be inserted with many flat-plate heat pipes, one plate is facing to observer, what Fig. 3 showed is that different slots are inserted with respectively flat-plate heat pipe, and the side of flat-plate heat pipe is towards observer.In Platelike heat pipe 20, by a plurality of miniature independent heat pipes, along plate face, be formed by connecting side by side, miniature independent heating pipe sidewall interconnection.Described miniature independent heat pipe is sealed tubular structure, has wherein been provided with the working medium of phase-change heat-exchange effect, to heat sinks such as aluminium sheet, copper coins, adopts ram extrusion mode can obtain Platelike heat pipe 20 of the present invention.Because the radiating efficiency of the Platelike heat pipe 20 of area of dissipation will be higher than existing radiator (example is radiator as shown in Figure 1) on an equal basis, therefore, frequency converter of the present invention and power electronic devices can reduce with the volume of new radiator, and weight is corresponding reduction also.For big-power transducer (IGBT) heat radiation, weight of the present invention, volume are all traditional round heat pipe and add below 1/3rd of fin radiator.For the above LED of 600W, dispel the heat, for unique in the world can practical heat radiation product.For other dissipation from electronic devices, can not use fan just can realize the cooling of existing electronic device the present invention, will make dissipation from electronic devices step into the fan-free epoch.
As seen from Figure 2, Platelike heat pipe 20 favours heat pipe installed surface 21 setting, due to heat source-contacting surface 22 and heat pipe installed surface 21 parallel to each other, Platelike heat pipe 20 also favours heat source-contacting surface 22.This main purpose that is obliquely installed of Platelike heat pipe 20 is after making radiator be assembled on frequency converter, above the above condensation segment of gravity direction is positioned at described evaporator section.
Certainly, Fig. 2 and Fig. 3 example illustrated can also install radiating fin 41 as shown in Figure 4 additional on Platelike heat pipe 20.Radiating fin 41 is installed at the part that condensation segment and evaporator section are not combined with heating face, the radiating fin 41 installing additional adopts the metal foil fin of prior art can increase area of dissipation, improving radiating effect, also can suitably reduce the quantity of Platelike heat pipe 20, radiating fin 41 in concrete employing Fig. 4, does not repeat them here.
In preferred Fig. 2 and Fig. 3 example illustrated, the material selection aluminium alloy of Platelike heat pipe 20, substrate 23, can strengthen radiating effect on the one hand, can further alleviate on the other hand the weight of radiator.
By the description that frequency converter of the present invention and power electronic devices are undertaken by the course of work of radiator, further illustrate technical scheme of the present invention below.
Frequency converter of the present invention and power electronic devices are contacted to installation by the heat source-contacting surface of radiator with the radiating surface of heat producing components on frequency converter, make can carry out effectively heat conduction between the two.When heat producing components heat production, heat is conducted to substrate, and then is transmitted to the evaporator section of Platelike heat pipe.In evaporator section, the liquid refrigerant in miniature independent heat pipe is subject to thermal evaporation, takes away heat.The working medium of evaporation enters into the condensation segment of Platelike heat pipe, and the temperature in the condensation segment external world is low, makes working medium condensation return to liquid state.So far heat is exported Platelike heat pipe.Condensed liquid refrigerant flow back into evaporator section, continues evaporator strip and walks heat, forms circulation.When condensation segment is on gravity direction above evaporator section time, liquid refrigerant flow back into the speed of evaporator section can be faster, is more conducive to improve the radiating efficiency of radiator.
Radiator of the present invention can also be applied to the heat radiation of other power electronic devices, can reach raising radiating efficiency, reduces the effect that volume takies.
It should be noted that; the foregoing is only preferred embodiment of the present invention; not thereby limit scope of patent protection of the present invention, the present invention can also carry out to the structure of above-mentioned various parts the improvement of material and structure, or adopts technical equivalents thing to replace.Therefore the equivalent structure that all utilizations description of the present invention and diagramatic content are done changes, or directly or indirectly apply to other correlative technology fields and be all in like manner all contained in the scope that the present invention contains.
Claims (10)
1. new radiator, comprises that combination is arranged on many Platelike heat pipes on heater heating face, and described Platelike heat pipe is a plurality of miniature independent heat pipe structure body that be set up in parallel along plate face in heat sink, the interconnection of pipe sidewall; Described Platelike heat pipe is divided into evaporator section and condensation segment along the axis direction of described miniature independent heat pipe, all or part of and described heater heating face laminating of described evaporator section, and described condensation segment is the free plate face contacting with air.
2. new radiator according to claim 1, is characterized in that on the condensation segment of described Platelike heat pipe and part that evaporator section is not combined with heating face is provided with radiating fin.
3. new radiator according to claim 1 and 2, the thickness that it is characterized in that described Platelike heat pipe is between 0.5mm to 10mm, and the equivalent diameter of described miniature independent heat pipe is between 0.1mm to 8mm time, and the length ratio of the length of described evaporator section and described Platelike heat pipe axis direction is 1:5 to 1:100000.
4. new radiator according to claim 3, the thickness that it is characterized in that described Platelike heat pipe is between 1.0mm to 4mm, and the equivalent diameter of described miniature independent heat pipe is between 0.3mm to 3mm time, and the length ratio of the length of described evaporator section and described Platelike heat pipe axis direction is 1:10 to 1:200.
5. according to the new radiator one of claim 1-4 Suo Shu, it is characterized in that the substrate of described heater for contacting with thermal source, described substrate comprises heat source-contacting surface and heat pipe installed surface, on described heat pipe installed surface, be provided with and arrange sidewalls more the slot that is plane, partly mates with described evaporator section, described Platelike heat pipe inserts slot by described evaporator section and is fixed on described substrate, and part or all of plate face and the socket sidewalls of described evaporator section fits tightly.
6. new radiator according to claim 5, the thickness that it is characterized in that described Platelike heat pipe is between 0.5mm to 10mm, and the equivalent diameter of described miniature independent heat pipe is between 0.1mm to 8mm time, and the length ratio of the height of described slot and described Platelike heat pipe axis direction is 1:5 to 1:100000.
7. new radiator according to claim 6, the thickness that it is characterized in that described Platelike heat pipe is between 1.0mm to 4mm, and the equivalent diameter of described miniature independent heat pipe is between 0.3mm to 3mm time, and the length ratio of the height of described slot and described Platelike heat pipe axis direction is 1:10 to 1:200.
8. according to the new radiator one of claim 5-7 Suo Shu, it is characterized in that along flute length direction, being set up in parallel a plurality of described Platelike heat pipes in a certain slot on described heat pipe installed surface.
9. according to the new radiator one of claim 5-8 Suo Shu, it is characterized in that described new radiator is frequency converter radiator, after described frequency converter radiator assembling, above the above condensation segment of gravity direction is positioned at described evaporator section; Described Platelike heat pipe favours the setting of described heat pipe installed surface.
10. according to the new radiator one of claim 1-9 Suo Shu, the material that it is characterized in that described substrate and described Platelike heat pipe is aluminum or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538370.6A CN103615921A (en) | 2013-11-04 | 2013-11-04 | Novel radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538370.6A CN103615921A (en) | 2013-11-04 | 2013-11-04 | Novel radiator |
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| CN103615921A true CN103615921A (en) | 2014-03-05 |
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| CN201310538370.6A Pending CN103615921A (en) | 2013-11-04 | 2013-11-04 | Novel radiator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121796A (en) * | 2014-08-20 | 2014-10-29 | 芜湖长启炉业有限公司 | Wing-shaped superconductive heat exchange plate |
| CN107706166A (en) * | 2017-09-13 | 2018-02-16 | 南京工业大学 | A kind of New type power amplifier radiator |
| CN109945704A (en) * | 2019-04-24 | 2019-06-28 | 常州恒创热管理有限公司 | Multistage plate-type heat-pipe and radiator |
| CN111430619A (en) * | 2020-04-09 | 2020-07-17 | 西京学院 | New energy automobile power battery tray with heat dissipation function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671302Y (en) * | 2003-07-01 | 2005-01-12 | 华为技术有限公司 | Radiating module |
| CN101515572A (en) * | 2009-03-24 | 2009-08-26 | 赵耀华 | Novel LED and a high-power radiator of a radiating element |
| CN201993010U (en) * | 2010-12-07 | 2011-09-28 | 深圳市超频三科技有限公司 | Radiator |
| CN102679778A (en) * | 2012-05-10 | 2012-09-19 | 上海威特力热管散热器有限公司 | Long and short pipe combined heat pipe radiator |
| CN203687710U (en) * | 2013-11-04 | 2014-07-02 | 赵耀华 | Novel heat radiator |
-
2013
- 2013-11-04 CN CN201310538370.6A patent/CN103615921A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671302Y (en) * | 2003-07-01 | 2005-01-12 | 华为技术有限公司 | Radiating module |
| CN101515572A (en) * | 2009-03-24 | 2009-08-26 | 赵耀华 | Novel LED and a high-power radiator of a radiating element |
| CN201993010U (en) * | 2010-12-07 | 2011-09-28 | 深圳市超频三科技有限公司 | Radiator |
| CN102679778A (en) * | 2012-05-10 | 2012-09-19 | 上海威特力热管散热器有限公司 | Long and short pipe combined heat pipe radiator |
| CN203687710U (en) * | 2013-11-04 | 2014-07-02 | 赵耀华 | Novel heat radiator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121796A (en) * | 2014-08-20 | 2014-10-29 | 芜湖长启炉业有限公司 | Wing-shaped superconductive heat exchange plate |
| CN107706166A (en) * | 2017-09-13 | 2018-02-16 | 南京工业大学 | A kind of New type power amplifier radiator |
| CN109945704A (en) * | 2019-04-24 | 2019-06-28 | 常州恒创热管理有限公司 | Multistage plate-type heat-pipe and radiator |
| CN111430619A (en) * | 2020-04-09 | 2020-07-17 | 西京学院 | New energy automobile power battery tray with heat dissipation function |
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Application publication date: 20140305 |