CN112490206A - Switch tube heat radiation structure, converter and air conditioner - Google Patents
Switch tube heat radiation structure, converter and air conditioner Download PDFInfo
- Publication number
- CN112490206A CN112490206A CN202011420315.3A CN202011420315A CN112490206A CN 112490206 A CN112490206 A CN 112490206A CN 202011420315 A CN202011420315 A CN 202011420315A CN 112490206 A CN112490206 A CN 112490206A
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- Prior art keywords
- heat
- radiator
- water
- switch tube
- air conditioner
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- 230000005855 radiation Effects 0.000 title claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000017525 heat dissipation Effects 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
- F24F2005/0067—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy with photovoltaic panels
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a switch tube heat dissipation structure, a converter and an air conditioner, wherein the switch tube heat dissipation structure comprises: the radiator is used for radiating the switch tube; the honeycomb duct, the water that is used for the cooling of honeycomb duct internal flow expert, be provided with the water conservancy diversion hole on the honeycomb duct, the water conservancy diversion hole with the radiator position is corresponding, the water conservancy diversion hole be used for the water drainage extremely the radiator surface. According to the switch tube heat dissipation structure, the flow guide tube is arranged, so that water in the flow guide tube can be guided to the surface of the heat radiator through the flow guide hole, on one hand, heat is absorbed through water heating, on the other hand, heat is taken away through water evaporation, and meanwhile, the heat radiator is cooled through two aspects, so that the heat dissipation effect is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a switch tube heat dissipation structure, a converter and an air conditioner.
Background
The photovoltaic air conditioner is a system consisting of a photovoltaic device, a converter and a direct current air conditioner. The three-phase T-shaped converter is provided with 12 switching tubes (such as IGBT), so that the local heating of the converter is relatively serious, and the safe and stable operation of the whole system is damaged. Therefore, protective values are set inside the converter, the temperature is reduced by limiting the power or stopping the converter, but the photovoltaic energy loss is caused.
At present, a switch tube module (such as an IGBT module) is adopted by a switch device which generates heat most seriously in the photovoltaic air conditioner, the heat generated by the switch device is more concentrated, the heat cannot be dissipated in time, and the local temperature can reach the temperature limit more easily.
Disclosure of Invention
The invention discloses a switch tube heat dissipation structure, a converter and an air conditioner, and solves the problems that an existing switch tube module (such as an IGBT module) is more concentrated in heating, and local temperature is easy to reach temperature limit.
According to an aspect of the present invention, there is disclosed a switching tube heat dissipation structure, including: the radiator is used for radiating the switch tube; the honeycomb duct, the water that is used for the cooling of honeycomb duct internal flow expert, be provided with the water conservancy diversion hole on the honeycomb duct, the water conservancy diversion hole with the radiator position is corresponding, the water conservancy diversion hole be used for the water drainage extremely the radiator surface.
Further, the heat sink includes: the heat conducting plate is used for abutting against the switch tube; the fins are connected to the heat conducting plate, and the flow guide holes correspond to the fins in position.
Furthermore, a flow guide structure for extending a water path is arranged on the fins.
Further, the switch tube and the fin are respectively located on two sides of the heat conducting plate.
Further, the guide pipe is located above the fins, and water in the guide pipe flows to the surfaces of the fins from the guide holes through gravity.
Furthermore, the switch tubes are multiple, the radiator is connected with the switch tubes simultaneously, the switch tubes are evenly distributed, and a heat dissipation space is formed between every two adjacent switch tubes.
According to a second aspect of the invention, a converter is disclosed, which comprises the switch tube heat dissipation structure.
Further, the current transformer includes: a housing, the heat sink being mounted on an outside of the housing.
Further, the shell is provided with an installation opening communicated with the interior of the shell, and the radiator is assembled on the installation opening.
Further, the converter is installed in an air conditioner external machine, and the radiator is located in an air outlet duct in the air conditioner external machine.
According to a third aspect of the invention, an air conditioner is disclosed, which comprises the switch tube heat dissipation structure.
Furthermore, the honeycomb duct is communicated with a water pan of the indoor unit, and the honeycomb duct is used for draining condensed water.
Further, the air conditioner is a photovoltaic air conditioner.
According to the switch tube heat dissipation structure, the flow guide tube is arranged, so that water in the flow guide tube can be guided to the surface of the heat radiator through the flow guide hole, on one hand, heat is absorbed through water heating, on the other hand, heat is taken away through water evaporation, and meanwhile, the heat radiator is cooled through two aspects, so that the heat dissipation effect is improved.
Drawings
Fig. 1 is a perspective view of a heat dissipation structure of a switching tube according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a heat dissipation structure of a switching tube according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the distribution of the switching tubes according to the embodiment of the present invention;
fig. 4 is an assembly view of a converter and an air conditioner outdoor unit according to an embodiment of the present invention;
legend: 10. a heat sink; 11. a heat conducting plate; 12. a fin; 20. a switching tube; 30. a flow guide pipe; 40. a current transformer; 50. an air conditioner outdoor unit; 51. a fan; 60. and (7) a PCB board.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the details of the description.
As shown in fig. 1 to 4, the present invention discloses a switch tube heat dissipation structure, which includes a heat sink 10 and a flow guide tube 30, wherein the heat sink 10 is used for dissipating heat of a switch tube 20; the water for cooling flows in the flow guide pipe 30, the flow guide pipe 30 is provided with flow guide holes, the position of each flow guide hole corresponds to that of the radiator 10, and the flow guide holes are used for guiding the water to the surface of the radiator 10. According to the switch tube heat dissipation structure, the flow guide tube is arranged, so that water in the flow guide tube can be guided to the surface of the heat radiator through the flow guide hole, on one hand, heat is absorbed through water heating, on the other hand, heat is taken away through water evaporation, and meanwhile, the heat radiator is cooled through two aspects, so that the heat dissipation effect is improved.
In the above embodiment, the heat sink 10 includes: a heat conduction plate 11 and fins 12, the heat conduction plate 11 is used for abutting against the switch tube 20; the fins 12 are connected on the heat conducting plate 11, and the diversion holes correspond to the fins 12 in position. According to the switch tube heat dissipation structure, the heat conducting plate is abutted against the switch tube, so that the heat of the switch tube can be transferred to the heat conducting plate and then transferred to the fins for heat dissipation through the heat conducting plate. It should be noted that, in order to improve the heat conduction effect, the heat conduction plate usually adopts a metal plate with higher heat conduction efficiency, for example, an aluminum plate, and in order to avoid short circuit, a heat conduction glue needs to be arranged between the switch tube and the flow guide plate for insulation.
In the above embodiment, the fin 12 is provided with a flow guiding structure for extending the water path, wherein the flow guiding structure may be a flow guiding groove formed on the surface of the fin, or a flow guiding rib arranged on the surface of the fin. The switch tube heat dissipation structure guides water on the surfaces of the fins through the flow guide structure, so that the contact time and area of the water and the fins are prolonged, and the heat exchange effect is improved.
In the above embodiment, the switching tube 20 and the fin 12 are respectively located at both sides of the heat conductive plate 11. The switch tube 20 and the fins 12 of the switch tube heat dissipation structure are respectively positioned on two sides of the heat conduction plate 11, so that the risk of contact of the diversion structure and water can be avoided, and the reliability is improved.
In the above embodiment, the flow guide tube 30 is located above the fins 12, and the water in the flow guide tube 30 flows to the surfaces of the fins 12 through the flow guide holes by gravity. According to the switch tube heat dissipation structure, the guide tube is arranged below the fin, so that water can flow to the surface of the fin from the guide hole through gravity, the structure is simpler, and the implementation is convenient and rapid.
In the above embodiment, there are a plurality of switch tubes 20, the heat sink 10 is connected to the switch tubes at the same time, the switch tubes 20 are uniformly distributed, and a heat dissipation space is formed between adjacent switch tubes 20. According to the switch tube heat dissipation structure, the plurality of switch tubes 20 are uniformly distributed, so that heat dissipation spaces are formed between the adjacent switch tubes 20, the switch tubes serving as heating sources are dispersed, the heat dissipation area is increased, and the heat dissipation effect is further enhanced.
According to a second embodiment of the invention, a converter is disclosed, which comprises the switch tube heat dissipation structure. The current transformer 40 includes a housing, and the heat sink 10 is mounted on the outside of the housing. According to the converter, the radiator is arranged outside the converter shell, and the heat of the switch tube can be transferred to the outside of the shell through the radiator, so that the heat accumulation in the converter is reduced, and the working environment of working elements in the converter is improved.
In the above embodiment, the case is provided with the mounting port communicating with the inside of the case, and the heat sink 10 is fitted to the mounting port. The converter is provided with the mounting opening, and the radiator is assembled on the mounting opening, so that the converter is convenient to mount and can improve the radiating effect.
In the above embodiment, the converter 40 is installed in the outdoor unit 50, and the heat sink 10 is located in the outlet air duct of the outdoor unit 50. According to the converter thermal structure, the radiator 10 is arranged in the air outlet duct in the air conditioner external unit 50, the fan 51 of the air conditioner external unit can be matched for auxiliary heat dissipation, air is drawn by the external unit fan, water is evaporated more quickly, heat is taken away more quickly, and the purpose of further heat dissipation is achieved.
According to a third aspect of the invention, an air conditioner is disclosed, which comprises the switch tube heat dissipation structure. The guide pipe 30 is communicated with a water pan of the indoor unit, and the guide pipe 30 is used for guiding condensed water. The air conditioner provided by the invention fully utilizes the low-temperature condensed water directly discharged in the past, and is matched with the fan of the air conditioner external unit for auxiliary heat dissipation, so that on one hand, the heat is absorbed by heating the condensed water, and on the other hand, the condensed water is quickly evaporated by exhausting air through the fan of the external unit to take away the heat, thereby achieving the purpose of further heat dissipation. The heat dissipation effect of the system is enhanced on the premise of hardly increasing the cost; the discharge amount of the condensed water can be reduced, and the treatment of the condensed water is convenient.
In the above embodiments, the air conditioner is a photovoltaic air conditioner. It should be noted that the switch tube includes an IGBT, and the IGBT is connected to the PCB board 60.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (13)
1. A switch tube heat radiation structure is characterized by comprising:
a radiator (10), wherein the radiator (10) is used for radiating heat of the switch tube (20);
honeycomb duct (30), honeycomb duct (30) internal flow is general to be used for the water of cooling, be provided with the water conservancy diversion hole on honeycomb duct (30), the water conservancy diversion hole with radiator (10) position is corresponding, the water conservancy diversion hole be used for the water drainage extremely radiator (10) surface.
2. The switching tube heat dissipation structure according to claim 1, wherein the heat sink (10) includes:
a heat conducting plate (11), the heat conducting plate (11) being used for abutting against the switch tube (20);
the fin (12), fin (12) are connected on heat-conducting plate (11), the water conservancy diversion hole with fin (12) position corresponds.
3. The heat dissipation structure of switch tube according to claim 2,
the fins (12) are provided with flow guide structures for prolonging water paths.
4. The heat dissipation structure of switch tube according to claim 2,
the switch tube (20) and the fin (12) are respectively positioned on two sides of the heat-conducting plate (11).
5. The heat dissipation structure of switch tube according to claim 2,
the guide pipe (30) is positioned above the fins (12), and water in the guide pipe (30) flows to the surfaces of the fins (12) from the guide holes through gravity.
6. The heat dissipation structure of switch tube of claim 1,
the heat radiator comprises a plurality of switch tubes (20), wherein the heat radiator (10) is connected with the switch tubes at the same time, the switch tubes (20) are uniformly distributed, and a heat radiation space is formed between every two adjacent switch tubes (20).
7. A converter comprising the switching tube heat dissipation structure of any one of claims 1 to 6.
8. The converter according to claim 7, characterized in that the converter (40) comprises:
a housing, the heat sink (10) being mounted on an outside of the housing.
9. The converter according to claim 8,
the shell is provided with an installation opening communicated with the inside of the shell, and the radiator (10) is assembled on the installation opening.
10. The converter according to claim 8,
the converter (40) is installed in an air conditioner external unit (50), and the radiator (10) is located in an air outlet duct in the air conditioner external unit (50).
11. An air conditioner, characterized by comprising the switching tube heat dissipation structure of any one of claims 1 to 6.
12. The air conditioner according to claim 11,
the guide pipe (30) is communicated with a water receiving disc of the indoor unit, and the guide pipe (30) is used for guiding condensed water.
13. The air conditioner according to claim 12,
the air conditioner is a photovoltaic air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011420315.3A CN112490206B (en) | 2020-12-07 | 2020-12-07 | Switch tube heat radiation structure, converter and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011420315.3A CN112490206B (en) | 2020-12-07 | 2020-12-07 | Switch tube heat radiation structure, converter and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112490206A true CN112490206A (en) | 2021-03-12 |
| CN112490206B CN112490206B (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011420315.3A Active CN112490206B (en) | 2020-12-07 | 2020-12-07 | Switch tube heat radiation structure, converter and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112490206B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090147454A1 (en) * | 2007-12-07 | 2009-06-11 | Coretronic Corporation | Heat dissipation module |
| CN103687418A (en) * | 2012-09-03 | 2014-03-26 | 珠海格力电器股份有限公司 | Frequency conversion mainboard heat radiation structure and air conditioner comprising same |
| CN204902184U (en) * | 2015-08-20 | 2015-12-23 | 深圳市鼎和环保科技有限公司 | Air conditioner comdenstion water is handled and is utilized device |
| CN207526574U (en) * | 2017-10-10 | 2018-06-22 | 郑州宇通客车股份有限公司 | A kind of cooling system and radiator using Vehicular air-conditioner condensation water |
| CN208620456U (en) * | 2018-07-12 | 2019-03-19 | 珠海格力电器股份有限公司 | Novel module radiator and air conditioning system |
-
2020
- 2020-12-07 CN CN202011420315.3A patent/CN112490206B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090147454A1 (en) * | 2007-12-07 | 2009-06-11 | Coretronic Corporation | Heat dissipation module |
| CN103687418A (en) * | 2012-09-03 | 2014-03-26 | 珠海格力电器股份有限公司 | Frequency conversion mainboard heat radiation structure and air conditioner comprising same |
| CN204902184U (en) * | 2015-08-20 | 2015-12-23 | 深圳市鼎和环保科技有限公司 | Air conditioner comdenstion water is handled and is utilized device |
| CN207526574U (en) * | 2017-10-10 | 2018-06-22 | 郑州宇通客车股份有限公司 | A kind of cooling system and radiator using Vehicular air-conditioner condensation water |
| CN208620456U (en) * | 2018-07-12 | 2019-03-19 | 珠海格力电器股份有限公司 | Novel module radiator and air conditioning system |
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| Publication number | Publication date |
|---|---|
| CN112490206B (en) | 2023-01-10 |
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