CN109152314B - Heat abstractor, control radiating component and washing machine - Google Patents
Heat abstractor, control radiating component and washing machine Download PDFInfo
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- CN109152314B CN109152314B CN201811277466.0A CN201811277466A CN109152314B CN 109152314 B CN109152314 B CN 109152314B CN 201811277466 A CN201811277466 A CN 201811277466A CN 109152314 B CN109152314 B CN 109152314B
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- 238000005406 washing Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 238000001816 cooling Methods 0.000 claims abstract description 67
- 230000017525 heat dissipation Effects 0.000 claims abstract description 37
- 238000004378 air conditioning Methods 0.000 claims abstract 2
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 18
- 230000007547 defect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 15
- 238000007789 sealing Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20254—Cold plates transferring heat from heat source to coolant
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- 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
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20309—Evaporators
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention provides a heat dissipation device, a control heat dissipation assembly and a washing machine, wherein the heat dissipation device comprises: the water-cooling radiator (1) can be used for containing condensed water generated by the air-conditioning evaporator and cooling and radiating the electric box (2) through the flow of the condensed water. The invention effectively replaces the existing mode of radiating the controller by adopting the radiating fan, has high radiating and cooling efficiency, can effectively overcome the defect that the radiating effect is poor due to higher temperature of the radiator when the radiator runs at high frequency, effectively reduces the temperature of the radiator on a control board when the compressor runs at high frequency, protects the IPM module of the compressor and the motor from being burnt out or high-temperature protection due to overhigh temperature, does not need to increase the radiating fan for forced convection, reduces the volume and weight of the radiator, simplifies the structure of an electric box, reduces the running noise of the whole machine and improves the reliability of a circuit board.
Description
Technical Field
The invention belongs to the technical field of cooling, and particularly relates to a heat dissipation device, a control heat dissipation assembly and a washing machine.
Background
The controller of the existing electric appliance such as the washing machine is provided with the radiator, the main chip on the controller generates a large amount of heat during operation, and the radiator is clung to the surface of the main chip, so that the heat of the chip is transferred to the radiator, and the radiator and the outside generate heat exchange, so that the chip is always kept in a reasonable temperature interval during operation, and the chip is not burnt out due to overhigh temperature. But the existing radiator generally adopts a radiator fan to radiate heat to the controller, and the radiator fan used as the radiator radiates heat, so that the occupied space is large in size and heavy in weight, the running noise of the whole machine is greatly increased, and the radiator has the condition of shutdown caused by overhigh temperature during high-frequency running, so that the radiating effect is poor.
The heat radiator of the electric appliance controller in the prior art has the technical problems that the heat radiator has a higher temperature during high-frequency operation, so that the heat radiating effect is poor, the IPM modules of the compressor and the motor can be burnt or protected at a high temperature due to overhigh temperature, the heat radiating fan occupies a larger space, has a heavier weight, and causes large running noise of the whole machine.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the radiator of the electric appliance controller in the prior art has a poor radiating effect caused by higher temperature of the radiator during high-frequency operation, thereby providing a radiating device, a control radiating component and a washing machine.
The invention provides a heat dissipating device, comprising:
The water-cooling radiator can be used for containing condensed water generated by the air conditioner evaporator and cooling and radiating the electric box through the flow of the condensed water.
Preferably, the method comprises the steps of,
The water cooling radiator comprises a first cooling plate and a second cooling plate, a first condensate water tank is arranged on the first cooling plate, a second condensate water tank is arranged on the second cooling plate, the first cooling plate and the second cooling plate are oppositely attached to each other, the first condensate water tank and the second condensate water tank are oppositely spliced into a complete sealing water tank, and the sealing water tank can contain condensate water to flow in the sealing water tank so as to generate cooling and heat dissipation.
Preferably, the method comprises the steps of,
The first condensate water tank is a groove structure formed on a first surface of the first heat dissipation plate, the second condensate water tank is a groove structure formed on a second surface of the second heat dissipation plate, and the first surface is opposite to the second surface.
Preferably, the method comprises the steps of,
The first condensate trough is in a shape of bending back and forth in multiple sections, the second condensate trough is also in a shape of bending back and forth in multiple sections, and the shape of the second condensate trough is matched with that of the first condensate trough.
Preferably, the method comprises the steps of,
The inlet end of the second condensation water tank extends out of the side end face of the second heat dissipation plate, and an inlet connector is further arranged at the inlet end; the outlet end of the second condensation water tank extends out of the side end face of the second heat dissipation plate, and an outlet connector is further arranged at the outlet end.
Preferably, the method comprises the steps of,
The water cooling radiator further comprises radiating fins, wherein the radiating fins are attached to the first radiating plate, and the second radiating plate is attached to the electric box.
Preferably, the method comprises the steps of,
The heat dissipation device also comprises a condensate pipe and an inlet connecting pipe, wherein the condensate pipe can be used for guiding out condensate water generated by the air conditioner evaporator;
One end of the inlet connecting pipe is communicated with the condensate pipe, and the other end of the inlet connecting pipe is communicated with the inlet of the water-cooling radiator.
Preferably, the method comprises the steps of,
The heat dissipation device further comprises an outlet connecting pipe, wherein the outlet connecting pipe is communicated with the outlet of the water-cooling radiator, and a water pump is further arranged on the outlet connecting pipe.
The invention also provides a control heat dissipation assembly which comprises the electric box and the heat dissipation device of any one of the previous claims, wherein the heat dissipation device can be used for dissipating heat and cooling the electric box.
The invention also provides a washing machine, which comprises the control radiating component.
The heat dissipation device, the control heat dissipation assembly and the washing machine provided by the invention have the following beneficial effects:
The invention can be used for containing the condensed water generated by the air conditioner evaporator by arranging the water-cooling radiator, and cooling and radiating the controller by flowing the condensed water, so that the existing radiating mode of radiating the controller by adopting the radiating fan can be effectively replaced, the radiating and cooling efficiency is high, the defect that the radiating effect is poor due to the fact that the radiator has higher temperature when the radiator operates at high frequency can be effectively overcome, the temperature of the radiator on a control board when the compressor operates at high frequency is effectively reduced, the IPM module of the compressor and the motor is protected from being burnt or high-temperature protection due to the fact that the temperature is too high, the radiating fan for forced convection is not required to be added, the volume and the weight of the radiator are reduced, the structure of an electric box is simplified, the running noise of the whole machine is reduced, and the reliability of a circuit board is improved.
Drawings
FIG. 1 is a schematic diagram of an exploded construction of a water-cooled radiator of the present invention;
FIG. 2a is a schematic view of a first heat sink plate in the water-cooled radiator of the present invention;
FIG. 2b is a schematic diagram of a second heat sink plate in the water-cooled heat sink according to the present invention;
FIG. 3 is a schematic diagram showing a connection structure between a heat sink and an electrical box of a washing machine according to the present invention;
fig. 4 is a schematic view of a partial explosion structure of the junction of the water-cooled radiator and the electrical box in fig. 3.
The reference numerals in the drawings are as follows:
1. A water-cooled radiator; 2. an electrical box; 21. an electric appliance box cover; 22. a PCB board with a radiator; 23. a bracket; 3. a first heat dissipation plate; 30. a first surface; 31. a first condensate tank; 4. a second heat dissipation plate; 40. a second surface; 41. a second condensate tank; 42. an inlet end; 43. an outlet end; 51. an inlet connector; 52. an outlet connector; 6. a condenser water pipe; 7. an inlet connection pipe; 8. an outlet connection tube; 9. a water pump; 11. a heat radiation fin; 12. a screw; 13. a two-container box containing two containers; 14. a washing machine frame.
Detailed Description
As shown in fig. 1to 4, the present invention provides a heat dissipating device, comprising:
The water-cooling radiator 1 can be used for containing condensed water generated by an air conditioner evaporator and cooling and radiating the electric box 2 through the flow of the condensed water.
The invention can be used for containing the condensed water generated by the air conditioner evaporator by arranging the water-cooling radiator, and cooling and radiating the controller by flowing the condensed water, so that the existing radiating mode of radiating the controller by adopting the radiating fan can be effectively replaced, the radiating and cooling efficiency is high, the defect that the radiating effect is poor due to the fact that the radiator has higher temperature when the radiator operates at high frequency can be effectively overcome, the temperature of the radiator on a control board when the compressor operates at high frequency is effectively reduced, the IPM module of the compressor and the motor is protected from being burnt or high-temperature protection due to the fact that the temperature is too high, the radiating fan for forced convection is not required to be added, the volume and the weight of the radiator are reduced, the structure of an electric box is simplified, the running noise of the whole machine is reduced, and the reliability of a circuit board is improved; in addition, the invention effectively recycles the condensed water by receiving the condensed water generated by the evaporator, saves energy and improves energy efficiency.
Preferably, the method comprises the steps of,
The water cooling radiator 1 comprises a first cooling plate 3 and a second cooling plate 4, a first condensate water tank 31 is arranged on the first cooling plate 3, a second condensate water tank 41 is arranged on the second cooling plate 4, the first cooling plate 3 and the second cooling plate 4 are oppositely attached, the first condensate water tank 31 and the second condensate water tank 41 are oppositely spliced to form a complete sealing water tank, and the sealing water tank can contain condensate water to flow in the sealing water tank so as to generate cooling and heat dissipation. The water-cooling radiator is a specific preferable structural form, and by arranging the first radiating plate and the second radiating plate which are mutually adhered, and arranging the condensed water tanks on the opposite surfaces of the two radiating plates respectively, the two condensed water tanks can be adhered to form a sealed water tank when the two radiating plates are adhered, so that condensed water is allowed to flow in the sealed water tank, and the effect of cooling and lowering the temperature of a controller (or called an electric box) is realized.
Preferably, the method comprises the steps of,
The first condensate water tank 31 is a groove structure formed on the first surface 30 of the first heat dissipation plate 3, the second condensate water tank 41 is a groove structure formed on the second surface 40 of the second heat dissipation plate 4, and the first surface 30 is opposite to the second surface 40. The first and second condensed water tanks are preferably formed in a mode that a first condensed water tank with a groove formed on a first surface on a first radiating plate and a second condensed water tank with a groove formed on a second surface on a second radiating plate are opposite, the first and second condensed water tanks can be spliced relatively to form the sealed water tank, so that condensed water is contained to flow through the sealed water tank to realize the cooling effect on a controller (or called an electric box), and the sealing effect of the sealed water tank is on one hand used for preventing the condensed water from being exposed, and on the other hand, the cooling effect of the sealed water tank is effectively improved.
Preferably, the method comprises the steps of,
The first condensate tank 31 is in a shape of multi-stage back and forth bending, the second condensate tank 41 is also in a shape of multi-stage back and forth bending, and the shape of the second condensate tank 41 is matched with the shape of the first condensate tank 31. This is a further preferred structural form of the first and second condensate tanks of the present invention, as shown in fig. 2a-2b, which are serpentine channels bent back and forth, so that condensate water flows in the serpentine channels back and forth, thereby effectively increasing the contact area with the controller and improving the heat exchange effect.
Further preferably, the first heat dissipation plate 3 is disposed above the second heat dissipation plate 4, the first condensation water tank 31 is disposed on a lower surface of the first heat dissipation plate 3, and the second condensation water tank 41 is disposed on an upper surface of the second heat dissipation plate 4, as shown in fig. 1.
Preferably, the method comprises the steps of,
The inlet end 42 of the second condensate water tank 41 extends out of the side end surface of the second heat dissipation plate 4, and an inlet connector 51 is further arranged at the inlet end 42; the outlet end 43 of the second condensate water tank 41 extends out of the side end surface of the second heat dissipation plate 4, and an outlet connector 52 is further disposed at the outlet end 43. The water cooling radiator is in a further preferable structural form, namely the second condensate water tank is provided with an inlet end and an outlet end, both the second condensate water tank can extend out of the side end face of the second heat radiating plate, water can enter from the inlet end and drain from the outlet end, the cooling and heat radiating process of condensate water is completed, the inlet end can be conveniently connected with a water pipe through an inlet connector, and the outlet connector is convenient for the outlet end to be connected with the water pipe; the first condensate tank is of a blind tank structure on the first heat dissipation plate, and the outlet end and the inlet end of the first condensate tank do not extend out of the side end face of the first heat dissipation plate, but enter water and exit water from the second condensate tank.
Preferably, the method comprises the steps of,
The water-cooling radiator 1 further comprises radiating fins 11, wherein the radiating fins 11 are attached to the first radiating plate 3, and the second radiating plate 4 is attached to the electric box 2. The water-cooling radiator is in a further preferable structural form, namely, the heat exchange effect between heat and the outside can be further improved on the basis that the water-cooling radiator cools the controller through the flow of condensed water through the radiating fins, so that the cooling effect on the controller is further improved; and the second heating panel is laminated with the electrical apparatus box and is set up for the heat of electrical apparatus box is taken away by the flow of comdenstion water earlier, and then dispels the heat through the fin that sets up with first heating panel laminating with the heat, because the heat transfer effect of comdenstion water is higher than the fin, and such setting form can improve the radiating effect.
Preferably, the method comprises the steps of,
As shown in fig. 3, the air conditioner further comprises a condensate pipe 6 and an inlet connecting pipe 7, wherein the condensate pipe 6 can be used for guiding out condensate water generated by the air conditioner evaporator;
One end of the inlet connecting pipe 7 is communicated with the condensate pipe 6, and the other end is communicated with the inlet of the water-cooled radiator 1.
The condensed water of the evaporator can be led out through the condensed water pipe, the condensed water led out through the condensed water pipe can be further led out to the water-cooling radiator through the inlet connecting pipe, so that the controller is cooled down, the cooling effect of the condensed water on the electric box or the controller is realized, the cooling effect is improved, the noise is reduced, and the volume and the weight of the radiator are reduced.
Preferably, the method comprises the steps of,
The water cooling radiator further comprises an outlet connecting pipe 8, wherein the outlet connecting pipe 8 is communicated with the outlet of the water cooling radiator 1, and a water pump 9 is further arranged on the outlet connecting pipe 8. The condensed water cooled and radiated by the water-cooled radiator can be conveniently led out through the outlet connecting pipe and discharged to a required position through the water pump to be recovered or enter the waste water area.
The invention also provides a control heat dissipation assembly which comprises the electric box and the heat dissipation device of any one of the previous claims, wherein the heat dissipation device can be used for dissipating heat and cooling the electric box. The invention effectively replaces the existing mode of radiating the controller by adopting the radiating fan, has high radiating and cooling efficiency, can effectively overcome the defect that the radiating effect is poor due to higher temperature of the radiator when the radiator runs at high frequency, effectively reduces the temperature of the radiator on a control board when the compressor runs at high frequency, protects the IPM modules of the compressor and the motor from being burnt out or high-temperature protection due to overhigh temperature, does not need to increase the radiating fan of forced convection, reduces the volume and weight of the radiator, simplifies the structure of an electric box, reduces the running noise of the whole machine and improves the reliability of a circuit board; in addition, the invention effectively recycles the condensed water by receiving the condensed water generated by the evaporator, saves energy and improves energy efficiency.
The invention also provides a washing machine, which comprises the control radiating component.
As shown in fig. 4, the water-cooled radiator 1 of the present invention is fixed on a circuit board of a controller, a lower surface portion of the water-cooled radiator is closely attached to an IPM chip of a compressor and a motor on the circuit board, and when a drying process is performed, a two-tank 13 (two-tank refers to an evaporator and a condenser) containing two tanks mounted on a washing machine frame 14 can collect condensed water formed during the drying process, the condensed water enters the water-cooled radiator 1 in the electric box 2 through a condensed water pipe 6 and an inlet connection pipe 7, and since the temperature of the condensed water is lower than or equal to the temperature in the air, there is a great temperature difference between the condensed water and the radiator, and therefore heat generated by the chip can be rapidly taken away when the condensed water flows through a water tank of the water-cooled radiator, thereby ensuring that the radiator always maintains a low temperature.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (6)
1. A heat sink for a washing machine, characterized by: comprising the following steps:
The water-cooling radiator (1) can be used for containing condensed water generated by the air-conditioning evaporator and cooling and radiating the electric box (2) through the flow of the condensed water; the water-cooling radiator (1) is fixed on a circuit board of a controller in the washing machine, the lower surface part of the water-cooling radiator (1) is tightly attached to an IPM chip of a compressor and a motor on the circuit board, when a drying program is executed, two radiator boxes which are arranged on a frame of the washing machine and contain an evaporator and a condenser can collect condensed water formed in the drying process, and the condensed water enters the water-cooling radiator (1) in the electric appliance box (2);
The water cooling radiator (1) comprises a first radiating plate (3) and a second radiating plate (4), wherein a first condensate water tank (31) is arranged on the first radiating plate (3), a second condensate water tank (41) is arranged on the second radiating plate (4), the first radiating plate (3) and the second radiating plate (4) are oppositely attached to each other, so that the first condensate water tank (31) and the second condensate water tank (41) are oppositely spliced to form a complete sealed water tank, and the sealed water tank can contain condensate water to flow in the sealed water tank so as to generate cooling and radiating;
The first condensate trough (31) is in a multi-section back and forth bent shape, the second condensate trough (41) is also in a multi-section back and forth bent shape, and the shape of the second condensate trough (41) is matched with the shape of the first condensate trough (31); the first cooling plate (3) is arranged above the second cooling plate (4), the first condensation water tank (31) is arranged on the lower surface of the first cooling plate (3), and the second condensation water tank (41) is arranged on the upper surface of the second cooling plate (4);
An inlet end (42) of the second condensation water tank (41) extends out of the side end surface of the second heat dissipation plate (4), and an inlet connector (51) is further arranged at the inlet end (42); an outlet end (43) of the second condensation water tank (41) extends out of the side end face of the second heat dissipation plate (4), and an outlet connector (52) is further arranged at the outlet end (43);
The water-cooling radiator (1) further comprises radiating fins (11), wherein the radiating fins (11) are attached to the first radiating plate (3), and the second radiating plate (4) is attached to the electrical box (2); the radiating fins (11) are connected with the first radiating plate (3) and the second radiating plate (4) through screws (12).
2. The heat sink applied to a washing machine as claimed in claim 1, wherein:
The first condensation water tank (31) is of a groove structure formed on the first surface (30) of the first heat dissipation plate (3), the second condensation water tank (41) is of a groove structure formed on the second surface (40) of the second heat dissipation plate (4), and the first surface (30) is opposite to the second surface (40).
3. The heat sink applied to a washing machine as claimed in claim 1, wherein:
the air conditioner further comprises a condensate pipe (6) and an inlet connecting pipe (7), wherein the condensate pipe (6) can be used for guiding out condensate water generated by the air conditioner evaporator;
one end of the inlet connecting pipe (7) is communicated with the condensate pipe (6), and the other end is communicated with the inlet of the water-cooling radiator (1).
4. The heat sink applied to a washing machine as claimed in claim 1, wherein:
The water cooling radiator further comprises an outlet connecting pipe (8), wherein the outlet connecting pipe (8) is communicated with the outlet of the water cooling radiator (1), and a water pump (9) is further arranged on the outlet connecting pipe (8).
5. A control heat sink assembly, characterized by: comprising an electrical box and the heat-dissipating device for a washing machine according to any one of claims 1-4, which can be used for heat-dissipating and cooling the electrical box.
6. A washing machine, characterized in that: comprising the controlled heat sink assembly of claim 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811277466.0A CN109152314B (en) | 2018-10-30 | 2018-10-30 | Heat abstractor, control radiating component and washing machine |
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| CN201811277466.0A CN109152314B (en) | 2018-10-30 | 2018-10-30 | Heat abstractor, control radiating component and washing machine |
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| CN112930082B (en) * | 2021-01-20 | 2022-05-17 | 宁波方太厨具有限公司 | Radiating method for control panel of range hood |
| CN113027729B (en) * | 2021-05-13 | 2023-05-02 | 佛山市南海区华威盛空调配套设备有限公司 | Air compressor machine with high-efficient heat dissipation function |
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| CN109152314A (en) | 2019-01-04 |
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