CN202262193U - Forced air-cooled heat pipe heat radiating system used for servo driver - Google Patents
Forced air-cooled heat pipe heat radiating system used for servo driver Download PDFInfo
- Publication number
- CN202262193U CN202262193U CN2011203309019U CN201120330901U CN202262193U CN 202262193 U CN202262193 U CN 202262193U CN 2011203309019 U CN2011203309019 U CN 2011203309019U CN 201120330901 U CN201120330901 U CN 201120330901U CN 202262193 U CN202262193 U CN 202262193U
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- China
- Prior art keywords
- heat pipe
- base plate
- heat
- heat radiating
- servo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
Abstract
The utility model discloses a heat radiating structure. A forced air-cooled heat pipe heat radiating system used for a servo driver with simple structure, small occupied space and good heat radiating effect is provided. The technical problems of complex heat radiating system structure, large occupied space, poor heat radiating effect and the like and the technical problem that the heat radiating requirement of a high-power power module can not be satisfied existing in the prior art are solved. The heat radiating structure comprises a base plate and a heat radiating air duct, wherein a power module is fixed on the surface of the base plate; and the heat radiating air duct is arranged on the back side of the base plate opposite to the power module, one side port of the heat radiating air duct is provided with an air blower, a plurality of groups of heat radiating fins are arranged in the heat radiating air duct along the axis direction, a plurality of heat pipes are alternately arranged on the heat radiating fins, and the heat pipes extend to the base plate and are embedded on the back side of the base plate in parallel.
Description
Technical field
The utility model relates to a kind of cooling system, and it is strong to relate in particular to a kind of heat-sinking capability, is beneficial to the air blast cooling heat pipe radiating system that is used for servo-driver of power module stable performance performance.
Background technology
Servo-driver generally comprises driver control part, power transfer part and mechanical structure part etc., wherein consumes higher electric power usually in the power module use in the power transfer part, produces more heat; Therefore also be referred to as heating module, in order to guarantee the operate as normal of servo-driver, the temperature of power module need be limited in certain scope; Cooling system is set near power module for this reason usually it is carried out radiating and cooling, the cooling system on the existing servo-driver generally is the aluminium section bar that the base plate rear side at the power module place is provided with a hollow, in the die cavity of aluminium section bar, arranges several radiating ribs; End in radiating ribs is provided with blower fan; Be that the heat that power module produces reaches radiating ribs through base plate, by blower fan radiating ribs implemented wind cooling temperature lowering again, but because power module is positioned at the servo-driver casing; The space is narrow and small relatively; Therefore radiating effect is poor, large power, electrically source module especially, and existing cooling system can't satisfy instructions for use.
Chinese patent discloses a kind of server with the liquid-cooled module (CN2641703Y) that dispels the heat; This heat radiation module is assembled in server inside; The liquid-cooled heat radiation of central processing unit directly is provided; It comprises that one has the body of an accommodation space, disposes fluid flow tube and radiator in it, and heat is delivered to the outlet section by the exhausting portion that extracts the hot-air of accommodation space on the radiator; Discharge by ventilating opening, and receive the running of radiator magnetic interlock and the flow loop that forms continues to dispel the heat to central processing unit by the water feeder on the fluid flow tube.This device is through being provided with the fluid flow tube of water feeder; Water feeder drives the flabellum rotation by the magnetic interlock of radiator; And then make the liquid flow in the fluid flow tube implement radiating and cooling, and though that cooling-down effect is better than is air-cooled, complex structure; It is big to take up room, can't popularization and application in all servo-drivers.
Summary of the invention
The utility model has mainly provided a kind of simple in structure; It is little to take up room; The air blast cooling heat pipe radiating system that is used for servo-driver of good heat dissipation effect; Solved the cooling system complex structure that exists in the prior art, take up room big, radiating effect is poor, can't satisfy the technical problem of the heat radiation requirement etc. of large power, electrically source module.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals: a kind of air blast cooling heat pipe radiating system that is used for servo-driver; Comprise that the surface is fixed with the base plate of power module; Base plate dorsal part relative with power module is provided with heat dissipation wind channel; Side ports place at heat dissipation wind channel is provided with blower fan; In said heat dissipation wind channel, carry over axis direction and be provided with some groups of radiating fins, the interspersed plurality of sections heat pipe that is fixed with on said radiating fin, said heat pipe extends to base plate and the parallel dorsal part that is inlaid in base plate.Through some groups of radiating fins axially are set in the air channel, and at radiating fin grafting plurality of sections heat pipe, heat pipe extends to level bending behind the base plate again and is inlaid in the dorsal part of base plate; Owing to store in the heat pipe cooling water is arranged, and storage chamber is negative pressure state, therefore wherein the boiling point of cooling water is lower than normal temperature; When power module with heat transferred to base plate, reach heat pipe through base plate again, because the heat pipe level is inlaid in the base plate; Increased the heat exchange area of heat pipe and base plate, the cooling water in the heat pipe heats up and seethes with excitement, and the cooling water steam of boiling is passed to heat rapidly on the radiating fin that is sleeved on the heat pipe outside; The air-flow that the blower fan of radiating fin side produces is constantly taken away the heat of radiating fin again, promptly radiating fin is implemented air blast cooling, and cooling rate is fast; Good heat dissipation effect can satisfy the heat radiation requirement of large power, electrically source module thus; Radiating fin is connected with base plate through heat pipe, and overall structure is simple, the space structure compact and reasonable.
Heat pipe can be " U " shape, serpentine etc.; As preferably; Said heat pipe is L-shaped, and the widthwise edge level of the heat pipe of corresponding " L " shape is inlaid in the dorsal surface of base plate, and the outside apical grafting in vertical limit of the heat pipe of corresponding " L " shape is fixed on the heat dissipation wind channel internal face." L " shape heat pipe is convenient to processing and is installed.
As more preferably, in said heat dissipation wind channel, be provided with two heat extraction pipes at least, and the widthwise edge on the two adjacent heat extraction pipes is relative and intersection is distributed on the dorsal surface of base plate the parallel radiating fin that passes in the vertical limit on the said heat pipe.Two heat extraction pipe cross-distribution are taken away after can making heat on the base plate reach heat pipe uniformly, prevent that the power module that the base plate local overheating causes is overheated, guarantee that the power module performance is able to stable performance.
As preferably, it is 5 ° to 15 ° corresponding to the heat pipe and the angle of horizontal plane that intert in radiating fin.The heat pipe of radiating fin side is higher than the heat pipe of base plate side, and the one, the cooling water steam of being convenient in the heat pipe in time is back to the base plate side after the condensation of radiating fin place, guarantee to have a certain amount of heat carrier all the time in the heat pipe of base plate side, has improved heat transfer efficiency; The 2nd, steam goes upward to radiating fin rapidly when being convenient to the cooling water boiling in the heat pipe, has improved heat transfer rate.
As preferably, the degree of depth that said heat pipe level embeds the base plate dorsal surface accounts for 1/3 to 2/3 of heat pipe diameter.When heat pipe embedded base plate degree of depth deficiency, heat transfer area was little, and effect is low, and radiating effect is poor; It is dark excessively that heat pipe embeds the base plate degree of depth, even horizontal segment is when all being imbedded in the base plate, and the temperature rise of the heat pipe section of burying makes the base plate heat be not easy to timely diffusion.
As preferably, between said power module and base plate, be provided with heat-conducting layer, said heat-conducting layer is a heat-conducting silicone grease.Heat-conducting layer makes thermal modules fully contact with base plate, eliminates the air gap of contact, increases heat passage, reduces thermal resistance, reduces the temperature of power module, improves reliability and useful life.
As preferably, the cross section of said heat dissipation wind channel is square, and a sidewall of corresponding heat dissipation wind channel is a base plate, and three sidewalls of other of corresponding heat dissipation wind channel are surrounded by the metal coverboard and form.Heat dissipation wind channel is for the wind-force of concentrating blower fan radiating fin to be implemented air blast cooling, and square heat dissipation wind channel is convenient to lay radiating fin, and three are surrounded by the metal coverboard and to form, and are beneficial to through the outside dissipate heat of metal coverboard.
As preferably, said heat pipe is the copper pipe of closed at both ends, in the cavity of said heat pipe, is marked with 80% to 90% normal-temperature water, and the pressure in the heat pipe cavity is 1.3x10
-1Pa to 1.3x10
-4Pa.The intensification heat pipe that can rise the brokenly when water capacity in the heat pipe is excessive, capacity very few when not enough heat transfer efficiency low, can reduce the boiling point of cooling water in the heat pipe when being in negative pressure state, improve heat transfer efficiency and speed.
As preferably, said blower fan is an axial flow blower.Axial flow blower is simple in structure, and secure, noise is little, the function selecting scope is wide.
As preferably, be covered with protective plate respectively on the both sides port of said heat dissipation wind channel, on said protective plate, have several ventilation holes.Protective plate can prevent that foreign matter from getting into heat dissipation wind channel, improves the security reliability of device.
Therefore, the air blast cooling heat pipe radiating system that is used for servo-driver of the utility model has following advantage: through at radiating fin grafting plurality of sections heat pipe, heat pipe extends to the dorsal part that level behind the base plate is inlaid in base plate; Power module to base plate, reaches heat pipe through base plate with heat transferred again during work, and the low boiling cooling water in the heat pipe heats up and seethes with excitement; Cooling water steam is passed to heat rapidly on the radiating fin in the heat pipe outside, and the air-flow that produces through blower fan is again constantly taken away the heat of radiating fin, promptly implements air blast cooling; Cooling rate is fast; Good heat dissipation effect can satisfy the heat radiation requirement of large power, electrically source module thus, and experimental data shows; Under the identical situation of temperature rise; Big nearly one times of power module power in the power module power ratio traditional structure in use the utility model structure that is to say that the temperature rise of the utility model structure is merely about half of traditional structure under the identical situation of power module.
Description of drawings:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the partial structurtes sketch map of the utility model;
Fig. 3 is a upward view shown in Figure 2;
Fig. 4 is the structural representation under user mode shown in Figure 2;
Fig. 5 is the explosive view of servo-driver.
Embodiment:
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment 1:
As shown in Figure 5, a kind of air blast cooling heat pipe radiating system that is used for servo-driver of the utility model, it is installed in the housing of servo-driver; Comprise a square base plate 2 of processing by steel plate, fixed three block power supply modules 1 side by side through screw on the surface of base plate 2, as shown in Figure 2; All scribble the heat-conducting layer 7 of one deck heat conductive silicon grease material at power module 1 and 2 of base plates; As shown in Figure 1, enclosing the heat dissipation wind channel 3 that a cross section is square with power module 1 relative base plate 2 dorsal parts by a metal coverboard 31, a sidewall of corresponding heat dissipation wind channel 3 is a base plate 2; Other three sidewalls are metal coverboard 31; Side ports place at heat dissipation wind channel 3 is equipped with three blower fans 4, and blower fan 4 is axial flow blower, and three blower fans 4 are corresponding one by one with three power modules 1; On the port of the both sides of heat dissipation wind channel 3, be separately installed with the protective plate 8 of steel, on protective plate 8, have several square ventilation holes 81.In heat dissipation wind channel 3, carry over axis direction and be provided with the three group radiating fins 5 corresponding with power module 1; As shown in Figure 3; The interspersed heat pipe 6 of fixing two row's " L " shapes on radiating fin 5; Heat pipe 6 is the copper pipe of closed at both ends, in the cavity of heat pipe 6, is marked with 85% normal-temperature water, and the pressure in heat pipe 6 cavitys is 1.3x10
-3Pa; Widthwise edge on the two heat extraction pipes 6 relatively also intersection level is inlaid on the dorsal surface of base plate 2; And the widthwise edge of heat pipe 6 is welded on the base plate 2, and simultaneously the power module 1 on heat extraction pipe 6 and base plate 2 surfaces is corresponding and keep being uniformly distributed with, and wherein the degree of depth of the widthwise edge level of heat pipe 6 embedding base plate 2 dorsal surfaces is 1/2 of heat pipe 6 diameters; Vertically the parallel radiating fin 5 outside apical graftings that pass in limit are on heat dissipation wind channel 3 internal faces; 5 of heat pipe 6 and radiating fins are through being weldingly connected, and be as shown in Figure 4, is 10 ° corresponding to the heat pipe 6 vertical limits and the angle of horizontal plane that intert in radiating fin 5 wherein.
During use, after heating up, power module 1, reaches heat pipe 6 through base plate 2 again with heat transferred to base plate 2; Because the widthwise edge level of the heat pipe 6 of " L " shape is inlaid in the base plate 2, accumulate in the cooling water intensification boiling in the heat pipe 2, the cooling water steam of boiling is passed to heat rapidly on the radiating fin 5 in heat pipe 2 outsides; The air-flow that this moment, heat dissipation wind channel 3 interior blower fans produced is constantly taken away the heat on the radiating fin 5 again, promptly radiating fin 5 is implemented air blast coolings, and radiating fin 5 temperature descend; Be back to widthwise edge along vertical limit of heat pipe 6 behind the cooling water vapor condensation in the heat pipe 6 and stress the heat of reverting to take drugs; System cools speed is fast, and good heat dissipation effect can satisfy the heat radiation requirement of large power, electrically source module thus; Overall structure is simple, the space structure compact and reasonable.
Embodiment 2:
On radiating fin 5, intert and fixing a heat extraction pipe 6, heat pipe 6 is " U " shape, and heat pipe 6 bottom levels of " U " shape are inlaid on the dorsal surface of base plate 2, and two lateral lines are plugged on the radiating fin 5 simultaneously, and remainder is identical with embodiment 1.
Specific embodiment described herein only is that the design to the utility model illustrates.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (10)
1. air blast cooling heat pipe radiating system that is used for servo-driver; Comprise that the surface is fixed with the base plate of power module (1) (2); Base plate (2) dorsal part relative with power module (1) is provided with heat dissipation wind channel (3); Side ports place at heat dissipation wind channel (3) is provided with blower fan (4); It is characterized in that: in said heat dissipation wind channel (3), carry over axis direction and be provided with some groups of radiating fins (5), go up the interspersed plurality of sections heat pipe (6) that is fixed with at said radiating fin (5), said heat pipe (6) extends to base plate (2) and the parallel dorsal part that is inlaid in base plate (2).
2. the air blast cooling heat pipe radiating system that is used for servo-driver according to claim 1; It is characterized in that: said heat pipe (6) is L-shaped; The widthwise edge level of the heat pipe (6) of corresponding " L " shape is inlaid in the dorsal surface of base plate (2), and the outside apical grafting in vertical limit of the heat pipe (6) of corresponding " L " shape is fixed on heat dissipation wind channel (3) internal face.
3. the air blast cooling heat pipe radiating system that is used for servo-driver according to claim 2; It is characterized in that: in said heat dissipation wind channel (3), be provided with two heat extraction pipes (6) at least; And the widthwise edge on the two adjacent heat extraction pipes (6) relatively also intersection is distributed on the dorsal surface of base plate (2) the parallel radiating fin (5) that passes in the vertical limit on the said heat pipe (6).
4. according to claim 1 or the 2 or 3 described air blast cooling heat pipe radiating systems that are used for servo-driver, it is characterized in that: corresponding to interting the angle of heat pipe (6) and horizontal plane in radiating fin (5) is 5 ° to 15 °.
5. according to claim 1 or the 2 or 3 described air blast cooling heat pipe radiating systems that are used for servo-driver, it is characterized in that: the degree of depth that said heat pipe (6) level embeds base plate (2) dorsal surface accounts for 1/3 to 2/3 of heat pipe (6) diameter.
6. according to claim 1 or the 2 or 3 described air blast cooling heat pipe radiating systems that are used for servo-driver, it is characterized in that: between said power module (1) and base plate (2), be provided with heat-conducting layer (7), said heat-conducting layer (7) is a heat-conducting silicone grease.
7. according to claim 1 or the 2 or 3 described air blast cooling heat pipe radiating systems that are used for servo-driver; It is characterized in that: the cross section of said heat dissipation wind channel (3) is square; A sidewall of corresponding heat dissipation wind channel (3) is base plate (2), and three sidewalls of other of corresponding heat dissipation wind channel (3) are surrounded by metal coverboard (31) and form.
8. according to claim 1 or the 2 or 3 described air blast cooling heat pipe radiating systems that are used for servo-driver; It is characterized in that: said heat pipe (6) is the copper pipe of closed at both ends; In the cavity of said heat pipe (6), be marked with 80% to 90% normal-temperature water, the pressure in heat pipe (6) cavity is 1.3x10
-1Pa to 1.3x10
-4Pa.
9. according to claim 1 or the 2 or 3 described air blast cooling heat pipe radiating systems that are used for servo-driver, it is characterized in that: said blower fan (4) is an axial flow blower.
10. according to claim 1 or the 2 or 3 described air blast cooling heat pipe radiating systems that are used for servo-driver; It is characterized in that: be covered with protective plate (8) on the both sides port of said heat dissipation wind channel (3) respectively, on said protective plate (8), have several ventilation holes (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203309019U CN202262193U (en) | 2011-09-06 | 2011-09-06 | Forced air-cooled heat pipe heat radiating system used for servo driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203309019U CN202262193U (en) | 2011-09-06 | 2011-09-06 | Forced air-cooled heat pipe heat radiating system used for servo driver |
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| Publication Number | Publication Date |
|---|---|
| CN202262193U true CN202262193U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203309019U Expired - Lifetime CN202262193U (en) | 2011-09-06 | 2011-09-06 | Forced air-cooled heat pipe heat radiating system used for servo driver |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331832A (en) * | 2011-09-06 | 2012-01-25 | 宁波菲仕电机技术有限公司 | Forced air-cooled heat pipe radiating system for servo driver |
| CN109788720A (en) * | 2013-07-10 | 2019-05-21 | 雅特生嵌入式计算有限公司 | The cooling cabinet of conduction with embedded heat pipe |
-
2011
- 2011-09-06 CN CN2011203309019U patent/CN202262193U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331832A (en) * | 2011-09-06 | 2012-01-25 | 宁波菲仕电机技术有限公司 | Forced air-cooled heat pipe radiating system for servo driver |
| CN109788720A (en) * | 2013-07-10 | 2019-05-21 | 雅特生嵌入式计算有限公司 | The cooling cabinet of conduction with embedded heat pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315000 No. 308, Xiaogang Anju Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Feishi Technology Co., Ltd Address before: 315800 No. 55, Putuo mountain road, Beilun District, Zhejiang, Ningbo Patentee before: Phase Motion Control Ningbo Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |