CN202059316U - Heat tube radiator for power unit of high-voltage high-power frequency converter - Google Patents
Heat tube radiator for power unit of high-voltage high-power frequency converter Download PDFInfo
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- CN202059316U CN202059316U CN2011201787641U CN201120178764U CN202059316U CN 202059316 U CN202059316 U CN 202059316U CN 2011201787641 U CN2011201787641 U CN 2011201787641U CN 201120178764 U CN201120178764 U CN 201120178764U CN 202059316 U CN202059316 U CN 202059316U
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Abstract
The utility model relates to a heat tube radiator for a power unit of a high-voltage high-power frequency converter. The heat tube radiator comprises a main body U-shaped heat tube, an upper end plate, radiating fins, a lower end plate, an evaporation pan rack, and other parts, wherein the evaporation pan rack is mounted at the bottom of the U-shaped heat tube; the upper end plate is arranged at the top of the heat tube radiator and the lower end plate is arranged at the bottom of that; and the radiating fins are mounted between the upper end plate and the lower end plate. The working principles of the heat tube radiator are that: heat quantity of electric components of the power unit of the high-voltage high-power frequency converter, such as an IGBT (insulated-gate bipolar transistor) and a rectifier bridge, directly heats working medium in the horizontal section of the U-shaped heat tube radiator; and all the parts are made of aluminum. The utility model has the advantages of higher heat radiating efficiency compared with an aluminum insert piece type heat tube radiator, and same performances, but simpler process and lower cost compared with the conventional copper-aluminum combined-type heat tube radiator.
Description
Technical field
The present invention relates to a kind of heat-pipe radiator, the heat-pipe radiator that particularly a kind of high-voltage high-power frequency transformator power cell is used belongs to International Classification of Patents F28D technical field.
Background technology
Because high-voltage high-power frequency transformator has remarkable energy saving effect, thereby is widely used in large-scale current consuming apparatus such as large pump, blower fan, transporter, elevator, rolling mill.The crucial electronic devices and components IGBT of high-voltage high-power frequency transformator power cell, rectifier bridge etc. have certain requirement to temperature, and general the requirement is no more than 65 ℃.Whenever surpass 10 ℃ substantially, the reliability of whole electronic system will reduce by 50%.Therefore, the heat radiation of high-voltage high-power frequency transformator power cell more and more causes the attention of each high-voltage high-power frequency transformator manufacturer, and thus, the radiator that various high-voltage high-power frequency transformator power cells are used also comes out one after another.High-voltage high-power frequency transformator is made up of N power cell.The radiator that the high-voltage high-power frequency transformator power cell is used on the market is divided into two classes substantially: i.e. blade inserting aluminium radiator and copper aluminium combined type heat pipe formula radiator.The blade inserting aluminium radiator is that the aluminium radiating fin is plugged in the longitudinal groove of aluminium base, is characterized in that low price, manufacturing process are simple, can also area of dissipation do very big.Its weak point is: 1) temperature distributing disproportionation on the radiating fin is even, and the fin upper temp is low, makes the material of radiating fin not play one's part to the full, and fin efficiency is low.2) fin and substrate junction thermal resistance are big, and long and increasing with service time.The substrate and the heat pipe copper of copper aluminium combined type heat pipe radiator, promptly the copper heat pipe is welded in scolding tin in the hole of copper base, and radiating fin uses low-cost aluminium.Its feature is the characteristics that make full use of heat-pipe radiator, and the heat of electronic devices and components such as IGBT is passed to more rapidly on the radiating fin, and the heat of electronic devices and components such as IGBT is not gathered on substrate.Its weak point is: 1) because substrate and heat pipe use the high copper of price, so the price height.2) adopt soldering between copper base and the copper heat pipe, the tin solder thermal resistance is 1/5th of a copper, influences the heat conduction between substrate and the heat pipe, has reduced the cost performance of heat-pipe radiator.
In sum, develop that a kind of technology is simple, low price, performance be well the heat-pipe radiator that the high high-voltage high-power frequency transformator power cell of cost performance is used, and is the problem that high-voltage high-power frequency transformator manufacturer extremely pays close attention to.
Summary of the invention
For addressing the above problem, the purpose of this utility model provides the heat-pipe radiator that the high high-voltage high-power frequency transformator power cell of a kind of cost performance is used.
The purpose of this utility model is achieved through the following technical solutions.
The heat-pipe radiator that a kind of high-voltage high-power frequency transformator power cell is used, it is made up of main body U-shaped heat pipe, upper head plate, radiating fin, bottom plate and evaporating dish frame; In U-shaped heat pipe bottom the evaporating dish frame is housed; Upper head plate is arranged at the top of this heat-pipe radiator, and bottom plate is arranged at the bottom, between upper head plate and the bottom plate radiating fin is housed.
The outline in described U-shaped heat pipe cross section is a rectangle, and inner chamber is circular.
The evaporating dish frame that described evaporating dish frame is an aluminum has rectangular channel on it.
Described rectangular channel, its cross section is identical with the cross section of U-shaped heat pipe.
Described radiating fin be shaped as plain film, corrugated plate, striped sheet, bar seam sheet or day window.
The utility model is compared with the aluminum blade inserting, has characteristics such as radiating efficiency height.Compare with existing copper aluminium combined type heat pipe radiator, it is identical to have performance, the characteristics that technology is simple, price is low.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of heat-pipe radiator of the present utility model;
Fig. 2 looks schematic diagram for the left side of Fig. 1;
Fig. 3 is the schematic top view of Fig. 1;
Fig. 4 is the structural representation of part 3 radiating fins;
Fig. 5 is the A-A generalized section of Fig. 1;
Fig. 6 is the schematic cross-sectional view of part 5;
Fig. 7 is the schematic cross-sectional view of part 1.
Among the figure: 1, U-shaped heat pipe, 11, U-shaped heat pipe lower plane, 12, the horizontal segment of U-shaped heat pipe, 2, upper head plate, 3, radiating fin, 4, bottom plate, 5, the evaporating dish frame, 51, evaporating dish frame rectangular channel longitudinally, 52, evaporating dish frame lower plane, 53, screw, 54, screw, 55, evaporating dish frame longitudinal fluting, 56, the vertical tongue of evaporating dish frame.
Embodiment
Referring to above-mentioned each accompanying drawing: Fig. 1 to Fig. 7, the heat-pipe radiator that a kind of high-voltage high-power frequency transformator power cell of the utility model is used is made up of one group of U-shaped heat pipe 1, U-shaped heat pipe lower plane 11, U-shaped heat pipe horizontal segment 12, upper head plate 2, radiating fin 3, bottom plate 4, evaporating dish frame 5, the vertical rectangular channel 51 of evaporating dish frame, evaporating dish frame lower plane 52, screw 53, screw 54, evaporating dish frame longitudinal fluting 55, the vertical tongue 56 of evaporating dish frame.
The outline in the cross section of aluminum U-shaped heat pipe 1 is a rectangle, and inner chamber is circular.Aluminum evaporating dish frame 5 has the rectangular channel with U-shaped heat pipe 1 equal number, and the cross section of rectangular channel 51 is identical with the cross section of U-shaped heat pipe 1.The horizontal segment 12 of U-shaped heat pipe 1 is pressed in the rectangular channel 51 of evaporating dish frame, the lower plane of the lower plane of its horizontal segment 12 and evaporating dish frame 5 coexists on the horizontal plane, be the substrate that the horizontal segment 12 of U-shaped heat pipe 1 and evaporating dish frame 5 have constituted the heat-pipe radiator that the utility model high-voltage high-power frequency transformator power cell uses, or be called evaporating dish.The vertical section suit of U-shaped heat pipe, the radiating fin 3 and the bottom plate 4 that rise and be connected to upper head plate 2, aluminum.U-shaped heat pipe 1 through vacuumize and inject working medium, the sealing after, by the screw on the evaporating dish frame 5 54, the lower plane that electronic devices and components such as IGBT is fixed on evaporating dish closely contacts with the lower plane 11 of U-shaped heat pipe.Screw 54 is that the utility model and high voltage converter are fixing with screw 54.Evaporating dish frame longitudinal fluting 55, the vertical tongue 56 of evaporating dish frame are used for the assembly unit of a plurality of the utility model modules.
After the power cell energising, electronic devices and components such as IGBT are started working, and the working medium in the heat heating U-shaped heat pipe 1 that is produced, is evaporated to and has certain pressure and take working substance steam for heat at working medium heat absorption boiling.These working substance steam rise along the axis of U-shaped heat pipe 1, and in uphill process, the tube wall by U-shaped heat pipe 1 passes to heat on the radiating fin 3.Heat on the radiating fin 3 by forcing of cooling fan distinguished and admirable generation among environment, the working substance steam that loses heat is condensed into worker quality liquid, rely on gravity to get back to the horizontal segment of U-shaped heat pipe 12 along the axis of heat pipe, continue to participate in the circulation of heat absorption evaporation, heat release condensation, so move in circles, realized heat radiation electronic devices and components such as IGBT, rectifier bridges.
Because electronic devices and components such as IGBT, rectifier bridge directly contact with the horizontal segment 12 of U-shaped heat pipe 1 and heat its interior working medium, compare with copper aluminium composite heat pipe radiator, do not had this one deck thermal resistance of scolding tin between copper base and the copper heat pipe, improved the heat conduction efficiency between electronic devices and components such as IGBT, rectifier bridge and the heat pipe.
Because evaporating dish frame 5 of the present utility model, U-shaped heat pipe 1, radiating fin 3 all are aluminum, compare with copper aluminium combined type heat pipe radiator, price is low.
Because the heat on the utility model radiating fin 1 is directly transmitted by U-shaped heat pipe 1, heat on the blade inserting aluminium radiator radiating fin at first will pass through aluminium base and this one deck thermal resistance of aluminium radiating fin, then from the fin root be transmitted to again gradually radiating fin following,, the top, this conduction is than slow many of the heat conduction of U-shaped heat pipe 1.Thus, the utility model radiating efficiency is than blade inserting aluminium radiator height.
In sum, the heat-pipe radiator that a kind of high-voltage high-power frequency transformator power cell of the utility model is used has more identical than copper aluminium combined type heat pipe performance, the characteristics that technology is simple, price is low.And have aluminium fin-inserted radiator price low and the characteristics of perfect heat-dissipating.
Claims (5)
1. heat-pipe radiator that the high-voltage high-power frequency transformator power cell is used, it is characterized in that: it is made up of main body U-shaped heat pipe (1), upper head plate (2), radiating fin (3), bottom plate (4) and evaporating dish frame (5); In the bottom of U-shaped heat pipe (1) evaporating dish frame (5) is housed; Upper head plate (2) is arranged at the top of this heat-pipe radiator, and bottom plate (4) is arranged at the bottom, between upper head plate (2) and the bottom plate (4) radiating fin (3) is housed.
2. the heat-pipe radiator that high-voltage high-power frequency transformator power cell according to claim 1 is used is characterized in that: the outline in described U-shaped heat pipe (1) cross section is a rectangle, and inner chamber is circular.
3. the heat-pipe radiator that high-voltage high-power frequency transformator power cell according to claim 1 is used is characterized in that: described evaporating dish frame (5) is the evaporating dish frame of aluminum, and rectangular channel (51) is arranged on it.
4. the heat-pipe radiator that high-voltage high-power frequency transformator power cell according to claim 3 is used is characterized in that: described rectangular channel (51), its cross section is identical with the cross section of U-shaped heat pipe (1).
5. the heat-pipe radiator that high-voltage high-power frequency transformator power cell according to claim 1 is used is characterized in that: described radiating fin (3) be shaped as plain film, corrugated plate, striped sheet, bar seam sheet or day window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201787641U CN202059316U (en) | 2011-05-31 | 2011-05-31 | Heat tube radiator for power unit of high-voltage high-power frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201787641U CN202059316U (en) | 2011-05-31 | 2011-05-31 | Heat tube radiator for power unit of high-voltage high-power frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202059316U true CN202059316U (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201787641U Expired - Fee Related CN202059316U (en) | 2011-05-31 | 2011-05-31 | Heat tube radiator for power unit of high-voltage high-power frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202059316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452020A (en) * | 2016-12-02 | 2017-02-22 | 南通沃特光电科技有限公司 | High-voltage frequency converter radiating system |
| CN113937983A (en) * | 2021-10-21 | 2022-01-14 | 滨州学院 | Frequency converter with improved braking performance |
-
2011
- 2011-05-31 CN CN2011201787641U patent/CN202059316U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452020A (en) * | 2016-12-02 | 2017-02-22 | 南通沃特光电科技有限公司 | High-voltage frequency converter radiating system |
| CN113937983A (en) * | 2021-10-21 | 2022-01-14 | 滨州学院 | Frequency converter with improved braking performance |
| CN113937983B (en) * | 2021-10-21 | 2023-10-10 | 滨州学院 | Frequency converter with improve braking performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20130531 |