CN112839474A - Cold drawing radiator of converter - Google Patents
Cold drawing radiator of converter Download PDFInfo
- Publication number
- CN112839474A CN112839474A CN201911072054.8A CN201911072054A CN112839474A CN 112839474 A CN112839474 A CN 112839474A CN 201911072054 A CN201911072054 A CN 201911072054A CN 112839474 A CN112839474 A CN 112839474A
- Authority
- CN
- China
- Prior art keywords
- cold plate
- open slot
- frequency converter
- radiating
- radiator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010622 cold drawing Methods 0.000 title description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000003507 refrigerant Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims description 39
- 239000003292 glue Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
Abstract
The invention belongs to a radiator of a frequency converter, in particular to a cold plate radiator of the frequency converter, which comprises a cold plate for installing a heating device in the frequency converter, wherein one side of the cold plate, which is far away from the heating device, is provided with an open slot, the open slot comprises a plurality of open slots I, an open slot II and an open slot III, the open slot I and the open slot III are arranged in parallel along the length direction of the cold plate, one end of each open slot II and one end of each open slot III extend out of the side surface of the cold plate and are respectively connected with a refrigerant interface I and a refrigerant interface II, the cold plate is provided with a radiating bottom plate which is pressed on the open slots, the open slots and the radiating bottom plate form a radiating channel for circulating refrigerants, radiating fins are fixedly arranged on the radiating bottom plate, and the tops of the radiating fins are fixedly provided with a cooling fan, the open slot and the radiating bottom plate form a radiating channel, and the heat exchange efficiency of the cold plate and the radiating bottom plate can be ensured simultaneously.
Description
Technical Field
The invention belongs to a radiator of a frequency converter, and particularly relates to a cold plate radiator of the frequency converter.
Background
At present, aiming at the problem of the ambient temperature in the air conditioner frequency converter cabinet, the air conditioner frequency converter frequency. However, for the frequency converter with a compact structure, the size of the evaporator is large, and the air duct needs to be separately arranged, so that the current size requirement cannot be met, more and more frequency converters with the internal evaporator cancelled due to size limitation are needed, the internal heat cannot be dissipated only through the frequency converter cabinet body, the temperature of air in the cabinet rises to cause a fault, and the normal work of the frequency converter is finally influenced.
Therefore, the invention mainly solves the technical problem of providing the cold plate radiator of the frequency converter, which can simultaneously solve the problem of heat dissipation of a heating device and air in a cabinet, reduce the ambient temperature in the cabinet and protect the normal operation of a converter.
Disclosure of Invention
The invention aims to provide a cold plate radiator of a frequency converter, which can simultaneously radiate a heating device in the frequency converter and the internal space of a cabinet body.
The invention relates to a cold plate for mounting a heating device in a frequency converter, wherein an open slot is formed in one side of the cold plate, which is far away from the heating device, and comprises a plurality of open slots I, an open slot II and an open slot III, which are arranged in parallel along the length direction of the cold plate, one ends of the open slots II and the open slots III extend out of the side face of the cold plate and are respectively connected with a refrigerant interface I and a refrigerant interface II, a radiating bottom plate which is pressed on the open slots is arranged on the cold plate, the open slots and the radiating bottom plate form a radiating channel for circulating a refrigerant, radiating fins are fixedly arranged on the radiating bottom plate, a cooling fan is fixedly arranged at the tops of the radiating fins, the open slots can be square slots, semicircular slots or slots with other structures.
Furthermore, the cold plate and the heating device are connected in a buckling mode.
Furthermore, the cold plate is screwed with the heating device.
Furthermore, a heat conducting glue is coated between the cold plate and the heating device.
Further, the heat dissipation base plate is in threaded connection with the cold plate.
Furthermore, the heat dissipation bottom plate is welded with the cold plate.
Furthermore, a sealing strip for preventing the refrigerant from overflowing from the heat dissipation channel is arranged on the heat dissipation bottom plate or the cold plate.
Furthermore, the heat dissipation bottom plate and the heat dissipation fins are integrally formed.
Furthermore, three groups of radiating fins are arranged along the length direction of the cold plate, and each group of radiating fins is correspondingly provided with one cooling fan.
Furthermore, the opening grooves II and III are perpendicular to the opening grooves I.
The heat dissipation device has the beneficial effects that the heating device and the heat dissipation fins are respectively arranged on two sides of the cold plate, the heat dissipation device and the interior of the frequency converter cabinet body are subjected to heat dissipation and temperature reduction, a refrigerant circulates in a heat dissipation channel formed by the open slot on the cold plate and the heat dissipation bottom plate, the heat exchange efficiency of the cold plate and the heat dissipation bottom plate can be simultaneously ensured, the arrangement of the heat dissipation channel is simplified, the plurality of open slots I are arranged in parallel along the length direction of the cold plate, the heat exchange area of the whole plane of the cold plate is increased, and the heat dissipation; the cooling fan blows heat of other heating parts in the cabinet body to the radiating fins, and temperature in the frequency converter cabinet is guaranteed.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of the present invention.
In the figure, a cooling fan 1, a heat radiation fin 2, a refrigerant interface I3, a cold plate 4, a heating device 5, a refrigerant interface II 6, an open slot I7, an open slot II 8 and a heat radiation bottom plate 9 are arranged.
Detailed Description
As shown in fig. 1-2, the heat sink comprises a cold plate 4 for mounting a heating device 5 in a frequency converter, wherein an open slot is formed in one side of the cold plate 4, which is away from the heating device 5, and comprises a plurality of open slots i 7 arranged in parallel along the length direction of the cold plate 4, and an open slot ii 8 and an open slot iii which are arranged at two ends of the plurality of open slots i 7, one end of each of the open slots ii 8 and the open slots iii extends out of the side surface of the cold plate 4 and is respectively connected with a refrigerant interface i 3 and a refrigerant interface ii 6, a heat sink base plate 9 which is pressed on the open slots is arranged on the cold plate 4, the open slots and the heat sink base plate 9 form a heat sink channel for circulating a refrigerant, a heat sink fin 2 is.
According to the invention, the heating device 5 in the frequency converter is arranged on the cold plate 4, the heat of the heating device 5 is transferred to a refrigerant flowing in a heat dissipation channel in the cold plate 4, and finally the temperature of the heating device 5 is ensured by the separation of the refrigerant, the heat dissipation channel is composed of an open slot on the cold plate 4 and a heat dissipation bottom plate 9, the refrigerant simultaneously carries the heat away from the cold plate 4 and the heat dissipation bottom plate 9, and the heat dissipation bottom plate 9 and the heat dissipation fins 2 are fixedly arranged or integrally formed to absorb heat in the environment in the cabinet, so that the invention can simultaneously dissipate the heat of the heating device 5 and the internal space of the cabinet body of the frequency converter, and reduce the environment in the; the design of the open slot can ensure the heat exchange effect of the cold plate 4 and the radiating bottom plate 9 at the same time, and is more convenient for the production and the manufacture of the cold plate 4; be fixed with cooling blower 1 on radiating fin 2, cooling blower 1 bloies towards radiating bottom plate 9 and sets up, inhales through cooling blower 1 to radiating fin 2 with the heat of the internal all the other positions that generate heat of cabinet, very big increase heat exchange efficiency.
The cold plate 4 can be used as an installation partition plate, a side wall or a bottom plate in the frequency converter and used for installing the heating device 5, so that the structure in the cabinet is kept compact, a radiator is not required to be additionally arranged in the cabinet, and the cold plate is suitable for the frequency converter which is small in cabinet body size, cannot be provided with an evaporator and cannot be provided with an air channel independently.
The cold drawing 4 is connected for the buckle with the device 5 that generates heat, and the buckle is connected the installation that both had been convenient for the device 5 that generates heat and is improved the area of contact of the device 5 that generates heat with cold drawing 4 simultaneously, improves heat exchange efficiency.
The cold plate 4 is in threaded connection with the heating device 5, the mounting difficulty of the heating device 5 is simplified through threaded connection, the bottom edge of the heating device 5 is attached to the cold plate 4, and the contact area is increased.
The coating has the heat-conducting glue between cold drawing 4 and the device 5 that generates heat, and the heat-conducting glue improves cold drawing 4 promptly and can improve the stability of the device 5 installation that generates heat again with the heat transfer effect of the device 5 that generates heat.
The heat dissipation base plate 9 is in threaded connection with the cold plate 4, the threaded connection simplifies the installation of the heat dissipation base plate 9 and the cold plate 4, and meanwhile, the disassembly is convenient.
The heat dissipation bottom plate 9 is welded with the cold plate 4, the welding improves the integrity of the heat dissipation bottom plate 9 and the cold plate 4, the sealing performance of a heat dissipation channel is guaranteed, and the refrigerant can be prevented from overflowing.
And sealing strips for preventing the refrigerant from overflowing from the heat dissipation channel are arranged on the heat dissipation bottom plate 9 or the cold plate 4 and are uniformly distributed on two sides of the opening groove I7, the opening groove II 8 and the opening groove III.
The heat dissipation base plate 9 and the heat dissipation fins 2 are integrally formed, and the heat conduction effect of the heat dissipation base plate 9 and the heat dissipation fins 2 is improved.
Three groups of radiating fins 2 are arranged along the length direction of the cold plate 4, and each group of radiating fins 2 is correspondingly provided with one cooling fan 1, so that the size and the installation difficulty of the cooling fans 1 are simplified.
The second opening groove 8 and the third opening groove are perpendicular to the first opening groove 7.
Claims (10)
1. A cold plate radiator of a frequency converter is characterized by comprising a cold plate (4) used for installing a heating device (5) in the frequency converter, an open slot is arranged on one side of the cold plate (4) departing from the heating device (5), the open slot comprises a plurality of open slots I (7) which are arranged in parallel along the length direction of the cold plate (4), and an open slot II (8) and an open slot III which are arranged at the two ends of the open slots I (7), one end of each open slot II (8) and one end of each open slot III extend out of the side surface of the cold plate (4) and are respectively connected with a refrigerant interface I (3) and a refrigerant interface II (6), a heat dissipation bottom plate (9) which is pressed on the open slots is arranged on the cold plate (4), and the open slots and the heat dissipation bottom plate (9) form a heat dissipation, the heat dissipation base plate (9) is fixedly provided with heat dissipation fins (2), and the tops of the heat dissipation fins (2) are fixedly provided with cooling fans (1).
2. The cold plate radiator of the frequency converter according to claim 1, characterized in that the cold plate (4) and the heating device (5) are in snap connection.
3. The cold plate radiator of the frequency converter according to claim 1, characterized in that the cold plate (4) is screwed with the heating device (5).
4. A cold plate radiator for a frequency converter according to claim 2 or 3, characterized in that a heat conducting glue is coated between the cold plate (4) and the heat generating device (5).
5. A cold plate radiator for frequency converters according to claim 1, characterised in that the radiating bottom plate (9) is screwed to the cold plate (4).
6. A cold plate radiator for frequency converters according to claim 1, characterised in that the radiating bottom plate (9) is welded to the cold plate (4).
7. A cold plate radiator of a frequency converter according to claim 5 or 6, characterized in that the radiating bottom plate (9) or the cold plate (4) is provided with a sealing strip for preventing the refrigerant from overflowing from the radiating channel.
8. The cold plate radiator for the frequency converter according to claim 7, wherein the radiating bottom plate (9) is integrally formed with the radiating fins (2).
9. The cold plate radiator of the frequency converter according to claim 1, characterized in that three groups of the radiating fins (2) are arranged along the length direction of the cold plate (4), and each group of the radiating fins (2) is correspondingly provided with one cooling fan (1).
10. The cold plate radiator for frequency converters according to claim 1, wherein the open slot ii (8) and the open slot iii are perpendicular to the open slot i (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072054.8A CN112839474A (en) | 2019-11-05 | 2019-11-05 | Cold drawing radiator of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072054.8A CN112839474A (en) | 2019-11-05 | 2019-11-05 | Cold drawing radiator of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112839474A true CN112839474A (en) | 2021-05-25 |
Family
ID=75921531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911072054.8A Pending CN112839474A (en) | 2019-11-05 | 2019-11-05 | Cold drawing radiator of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112839474A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6591898B1 (en) * | 2002-06-20 | 2003-07-15 | International Business Machines Corporation | Integrated heat sink system for a closed electronics container |
| CN103747653A (en) * | 2013-12-19 | 2014-04-23 | 西安电子工程研究所 | Heat-radiating structure of T/R component and design method for heat pipe in structure |
| CN103855441A (en) * | 2012-12-05 | 2014-06-11 | 上海市浦东新区知识产权保护协会 | Battery cooling system of novel energy vehicle |
| CN203934247U (en) * | 2014-06-03 | 2014-11-05 | 深圳市英威腾电气股份有限公司 | Electronic equipment and liquid-cooling heat radiator thereof |
| CN105228419A (en) * | 2015-10-29 | 2016-01-06 | 天津华宁电子有限公司 | The explosion-proof water-cooling heat radiating device of split type single brachium pontis |
| CN105704984A (en) * | 2016-03-04 | 2016-06-22 | 中国电子科技集团公司第三十八研究所 | Integrated cooling device |
-
2019
- 2019-11-05 CN CN201911072054.8A patent/CN112839474A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6591898B1 (en) * | 2002-06-20 | 2003-07-15 | International Business Machines Corporation | Integrated heat sink system for a closed electronics container |
| CN103855441A (en) * | 2012-12-05 | 2014-06-11 | 上海市浦东新区知识产权保护协会 | Battery cooling system of novel energy vehicle |
| CN103747653A (en) * | 2013-12-19 | 2014-04-23 | 西安电子工程研究所 | Heat-radiating structure of T/R component and design method for heat pipe in structure |
| CN203934247U (en) * | 2014-06-03 | 2014-11-05 | 深圳市英威腾电气股份有限公司 | Electronic equipment and liquid-cooling heat radiator thereof |
| CN105228419A (en) * | 2015-10-29 | 2016-01-06 | 天津华宁电子有限公司 | The explosion-proof water-cooling heat radiating device of split type single brachium pontis |
| CN105704984A (en) * | 2016-03-04 | 2016-06-22 | 中国电子科技集团公司第三十八研究所 | Integrated cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210525 |
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| RJ01 | Rejection of invention patent application after publication |