CN112762589A - Heat dissipation device, air conditioning unit and control method of air conditioning unit - Google Patents
Heat dissipation device, air conditioning unit and control method of air conditioning unit Download PDFInfo
- Publication number
- CN112762589A CN112762589A CN202110179178.7A CN202110179178A CN112762589A CN 112762589 A CN112762589 A CN 112762589A CN 202110179178 A CN202110179178 A CN 202110179178A CN 112762589 A CN112762589 A CN 112762589A
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- communication port
- heat dissipation
- air conditioning
- communicated
- conditioning unit
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 74
- 238000004378 air conditioning Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 100
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a heat dissipation device, an air conditioning unit and a control method of the air conditioning unit. The heat dissipation device comprises a heat dissipation structure and a reversing structure, wherein the reversing structure is provided with a first communication port, a second communication port, a third communication port and a fourth communication port, the first communication port is communicated with an inlet of the heat dissipation structure, and the second communication port is communicated with an outlet of the heat dissipation structure. According to the heat dissipation device, the air conditioning unit and the control method thereof, the flow direction of the refrigerant entering the heat dissipation structure is adjusted by the reversing structure according to the working mode of the air conditioning unit, and the heating components in the electric appliance box can be cooled by normal refrigerants, so that the temperature entering the heat dissipation structure is not too high or too low, the heat dissipation effect is ensured, the normal work of the heating components is prevented from being influenced by too high or too low temperature, an electronic expansion valve is simultaneously cancelled, the risk of reverse coil connection generated during unit assembly is reduced, and after-sale faults are reduced.
Description
Technical Field
The invention relates to the technical field of heat dissipation equipment, in particular to a heat dissipation device, an air conditioning unit and a control method of the air conditioning unit.
Background
The existing air conditioner has the problems that as the load of the whole machine is increased, the heat dissipation problem of the mainboard also becomes one of the reasons for limiting the power of the whole machine to be incapable of being improved, the existing common solutions are air cooling heat dissipation and refrigerant heat dissipation, but the heat dissipation effect of an air cooling heat dissipation module is poor, the heat dissipation of the mainboard by using the refrigerant heat dissipation becomes the selection of the existing high-power unit, but the temperature of the refrigerant heat dissipation module cannot be too high or too low, the heat dissipation effect cannot be achieved due to too high temperature, the condensation of the heat dissipation module can be generated due to too low temperature, and the condensate water enters the mainboard along the. The refrigerant heat dissipation of the existing heat pump unit generally adopts double electronic expansion valves, and different valves are used for throttling during refrigeration and heating, so that the refrigerant heat dissipation section is kept at overcooling during the refrigeration and heating operation of the heat pump unit, and then the refrigerant enters the throttling element for throttling after heat dissipation of the refrigerant. The double electronic expansion valves are high in material cost, and the coils of the electronic expansion valves are easily connected reversely during assembly of an actual unit, so that normal throttling cannot be performed during refrigerating and heating of the unit, and after-sale faults are caused.
Disclosure of Invention
In order to solve the technical problem that two electronic expansion valves are needed to meet the heat dissipation requirement of an electrical box in a refrigeration mode and a heating mode in the prior art, the heat dissipation device, the air conditioning unit and the control method thereof are provided, wherein the heat dissipation device meets the heat dissipation requirement of the electrical box by switching according to the flow direction of a refrigerant in the air conditioning unit through a reversing structure.
The utility model provides a heat dissipation device, includes heat radiation structure and switching-over structure, the switching-over structure has first intercommunication mouth, second intercommunication mouth, third intercommunication mouth and fourth intercommunication mouth, first intercommunication mouth with heat radiation structure's entry intercommunication, second intercommunication mouth with heat radiation structure's export intercommunication, just the switching-over structure has first intercommunication mouth with third intercommunication mouth intercommunication just second intercommunication mouth with the first state of fourth intercommunication mouth intercommunication with first intercommunication mouth with fourth intercommunication mouth intercommunication just second intercommunication mouth with the second state of third intercommunication mouth intercommunication.
The reversing structure comprises a shell and a valve core, the first communicating port, the second communicating port, the third communicating port and the fourth communicating port are all arranged on the shell, the valve core is arranged in the shell, and the valve core can enable the reversing structure to be switched between the first state and the second state.
The third communicating port, the second communicating port and the fourth communicating port are arranged on the shell in parallel, a communicating channel is arranged on the valve core, in the first state, a first end of the communicating channel is communicated with the second communicating port, a second end of the communicating channel is communicated with the fourth communicating port, the first communicating port and the third communicating port are both communicated with the inside of the shell, in the second state, the first end of the communicating channel is communicated with the third communicating port, the second end of the communicating channel is communicated with the second communicating port, and the first communicating port and the fourth communicating port are both communicated with the inside of the shell.
The cross section of the communication channel is U-shaped.
The reversing structure further comprises a driving mechanism, the driving mechanism is arranged on the shell, the valve core is arranged on the driving mechanism, and the valve core can be driven by the driving mechanism to move.
The electromagnetic coil is arranged outside the shell, the core iron is arranged inside the shell, the electromagnetic coil can drive the core iron to freely move in the shell, and the electromagnetic coil and the core iron form the driving mechanism.
The heat dissipation device further comprises a throttling mechanism, a first inlet and outlet of the throttling mechanism is communicated with an outlet of the heat dissipation structure, and a second inlet and outlet of the throttling mechanism is communicated with the second communication port.
An air conditioning unit comprises the heat dissipation device.
The air conditioning unit further comprises an electrical box, and the heat dissipation structure is arranged in the electrical box.
The air conditioning unit further comprises an indoor heat exchanger and an outdoor heat exchanger, the third communicating port is communicated with the indoor heat exchanger, and the fourth communicating port is communicated with the outdoor heat exchanger.
The control method of the air conditioning unit comprises the following steps:
in the heating mode, the reversing structure is switched to the first state;
in a cooling mode, the reversing structure switches to the second state.
According to the heat dissipation device, the air conditioning unit and the control method thereof, the flow direction of the refrigerant entering the heat dissipation structure is adjusted by the reversing structure according to the working mode of the air conditioning unit, and the heating components in the electric appliance box can be cooled by normal refrigerants, so that the temperature entering the heat dissipation structure is not too high or too low, the heat dissipation effect is ensured, the normal work of the heating components is prevented from being influenced by too high or too low temperature, an electronic expansion valve is simultaneously cancelled, the risk of reverse coil connection generated during unit assembly is reduced, and after-sale faults are reduced.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioning unit according to an embodiment of a heat dissipation device, an air conditioning unit and a control method thereof provided by the invention;
fig. 2 is a schematic structural diagram of a first state of a reversing structure of an embodiment of a heat dissipation device, an air conditioning unit and a control method thereof provided by the invention;
fig. 3 is a structural schematic diagram of a second state of a reversing structure of an embodiment of a heat dissipation device, an air conditioning unit and a control method thereof provided by the invention;
in the figure:
1. a heat dissipation structure; 2. a commutation structure; 21. a first communication port; 22. a second communication port; 23. a third communication port; 24. a fourth communication port; 25. a housing; 26. a valve core; 261. a communication channel; 3. an electromagnetic coil; 4. a core iron; 5. a throttle mechanism; 6. an indoor heat exchanger; 7. an outdoor heat exchanger.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The heat dissipating device shown in fig. 1 to 3 includes a heat dissipating structure 1 and a reversing structure 2, the reversing structure 2 has a first communication port 21, a second communication port 22, a third communication port 23, and a fourth communication port 24, the first communication port 21 communicates with an inlet of the heat dissipating structure 1, the second communication port 22 communicates with an outlet of the heat dissipating structure 1, and the reversing structure 2 has a first state in which the first communication port 21 communicates with the third communication port 23 and the second communication port 22 communicates with the fourth communication port 24, and a second state in which the first communication port 21 communicates with the fourth communication port 24 and the second communication port 22 communicates with the third communication port 23, by switching between the first state and the second state, a flow direction of fluid entering the heat dissipating structure 1 is changed, and when the third communication port 23 communicates with an indoor heat exchanger, when the fourth communication port 24 is communicated with the outdoor heat exchanger, the refrigerant of the indoor heat exchanger sequentially passes through the third communication port 23, the first communication port 21 and the inlet of the heat dissipation structure 1 to enter the heat dissipation structure 1 in the first state, and then sequentially passes through the outlet of the heat dissipation structure 1, the second communication port 22 and the fourth communication port 24 to flow to the outdoor heat exchanger, so that the heat dissipation of the heat dissipation structure 1 is completed, in the second state, the refrigerant of the outdoor heat exchanger sequentially passes through the fourth communication port 24, the second communication port 22 and the outlet of the heat dissipation structure 1 to enter the heat dissipation structure 1, and then sequentially passes through the inlet of the heat dissipation structure 1, the first communication port 21 and the third communication port 23 to flow to the indoor heat exchanger to complete the heat dissipation of the heat dissipation structure 1.
The reversing structure 2 includes a housing 25 and a valve element 26, the first communication port 21, the second communication port 22, the third communication port 23, and the fourth communication port 24 are all disposed on the housing 25, the valve element 26 is disposed in the housing 25, and the valve element 26 can switch the reversing structure 2 between the first state and the second state, preferably, the cross section of the housing 25 is circular, and the cross sectional area of the valve element 26 is smaller than the cross sectional area of the housing 25, so that the inside of the housing 25 can be simultaneously communicated with the first communication port 21 and the third communication port 23 in the first state, and can be simultaneously communicated with the first communication port 21 and the fourth communication port 24 in the second state.
The third communication port 23, the second communication port 22, and the fourth communication port 24 are arranged in parallel on the housing 25, the valve body 26 is provided with a communication passage 261, in the first state, a first end of the communication passage 261 is communicated with the second communication port 22 and a second end of the communication passage 261 is communicated with the fourth communication port 24, both the first communication port 21 and the third communication port 23 are communicated with the inside of the housing 25, in the second state, a first end of the communication passage 261 is communicated with the third communication port 23 and a second end of the communication passage 261 is communicated with the second communication port 22, both the first communication port 21 and the fourth communication port 24 are communicated with the inside of the housing 25, and the communication passage 261 is used to separate the fluid entering the heat radiation structure 1 from the fluid flowing out of the heat radiation structure 1, thereby ensuring the purpose of commutation.
The communication channel 261 is U-shaped in cross-section.
The reversing structure 2 further comprises a driving mechanism, the driving mechanism is arranged on the shell 25, the valve core 26 is arranged on the driving mechanism, and the valve core 26 can be driven by the driving mechanism to move.
The four-way valve is communicated with an exhaust port of the compressor and needs to bear certain high pressure, so that the four-way valve can not only rely on the driving force of the electromagnetic coil to commutate when commuting, and the reversing structure 2 of the application can be arranged between the indoor heat exchanger and the outdoor heat exchanger without bearing overhigh pressure, so that the electromagnetic coil 3 is arranged outside the shell 25 of the heat dissipation device of the application, the core iron 4 is arranged inside the shell 25, the electromagnetic coil 3 can drive the core iron 4 to freely move in the shell 25, and the electromagnetic coil 3 and the core iron 4 form the driving mechanism, and the driving of the core iron 4 can be completed by utilizing the magnetic force driving of the electromagnetic coil 3.
The heat dissipation device further comprises a throttling mechanism 5, a first inlet and outlet of the throttling mechanism 5 is communicated with an outlet of the heat dissipation structure 1, and a second inlet and outlet of the throttling mechanism 5 is communicated with the second communication port 22.
An air conditioning unit comprises the heat dissipation device.
The air conditioning unit further comprises an electrical box, wherein the heat dissipation structure 1 is arranged in the electrical box, and heat dissipation is performed on heating components in the electrical box by the heat dissipation structure 1, such as a mainboard on the heating components.
The air conditioning unit further comprises an indoor heat exchanger 6 and an outdoor heat exchanger 7, the third communicating port 23 is communicated with the indoor heat exchanger 6, and the fourth communicating port 24 is communicated with the outdoor heat exchanger 7.
The control method of the air conditioning unit comprises the following steps:
in the heating mode, the reversing structure 2 is switched to the first state, at the moment, the exhaust gas of a compressor of the air conditioning unit flows into the heat dissipation structure 1 through the reversing structure 2 after passing through the indoor heat exchanger 6, flows into the outdoor heat exchanger 7 after passing through the reversing structure 2 again, dissipates heat of structures such as an electrical box where the heat dissipation structure 1 is located by using a refrigerant condensed by the indoor heat exchanger 6, flows into the outdoor heat exchanger 7 after throttling by the throttling mechanism 5 after heat dissipation is completed, and continues to circulate;
in the refrigeration mode, the reversing structure 2 is switched to the second state, at this time, the compressor exhaust gas of the air conditioning unit flows into the heat dissipation structure 1 through the reversing structure 2 after passing through the outdoor heat exchanger 7, flows into the indoor heat exchanger 6 after passing through the reversing structure 2 again, dissipates heat of structures such as an electrical box where the heat dissipation structure 1 is located by using a refrigerant condensed by the outdoor heat exchanger 7, flows into the indoor heat exchanger 6 after being throttled by the throttling mechanism 5 after heat dissipation is completed, and continues to circulate.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A heat dissipation device, characterized in that: the heat dissipation structure comprises a heat dissipation structure (1) and a reversing structure (2), wherein the reversing structure (2) is provided with a first communication port (21), a second communication port (22), a third communication port (23) and a fourth communication port (24), the first communication port (21) is communicated with an inlet of the heat dissipation structure (1), the second communication port (22) is communicated with an outlet of the heat dissipation structure (1), the reversing structure (2) is provided with a first state that the first communication port (21) is communicated with the third communication port (23) and the second communication port (22) is communicated with the fourth communication port (24) and a second state that the first communication port (21) is communicated with the fourth communication port (24) and the second communication port (22) is communicated with the third communication port (23), the reversing structure (2) comprises a shell (25) and a valve core (26) arranged in the shell (25), the first communication port (21), the second communication port (22), the third communication port (23) and the fourth communication port (24) are all arranged on the shell (25), an electromagnetic coil (3) is arranged outside the shell (25), a core iron (4) is arranged inside the shell (25), the electromagnetic coil (3) can drive the core iron (4) to drive the valve core (26) to freely move in the shell (25), and the valve core (26) can enable the reversing structure (2) to be switched between the first state and the second state.
2. The heat dissipating device of claim 1, wherein: the third communication port (23), the second communication port (22) and the fourth communication port (24) are arranged on the shell (25) in parallel, a communication channel (261) is arranged on the valve core (26), in the first state, a first end of the communication passage (261) communicates with the second communication port (22) and a second end of the communication passage (261) communicates with the fourth communication port (24), the first communication port (21) and the third communication port (23) are both communicated with the interior of the housing (25), in the second state, a first end of the communication passage (261) communicates with the third communication port (23) and a second end of the communication passage (261) communicates with the second communication port (22), the first communication port (21) and the fourth communication port (24) are both communicated with the inside of the housing (25).
3. The heat dissipating device of claim 2, wherein: the cross section of the communication channel (261) is U-shaped.
4. The heat dissipating device of claim 1, wherein: the heat dissipation device further comprises a throttling mechanism (5), a first inlet and outlet of the throttling mechanism (5) is communicated with an outlet of the heat dissipation structure (1), and a second inlet and outlet of the throttling mechanism (5) is communicated with the second communication port (22).
5. An air conditioning unit, its characterized in that: comprising the heat sink according to any of claims 1 to 4.
6. Air conditioning assembly according to claim 5, characterized in that: the air conditioning unit further comprises an electrical box, and the heat dissipation structure (1) is arranged in the electrical box.
7. Air conditioning assembly according to claim 5, characterized in that: the air conditioning unit further comprises an indoor heat exchanger (6) and an outdoor heat exchanger (7), the third communicating port (23) is communicated with the indoor heat exchanger (6), and the fourth communicating port (24) is communicated with the outdoor heat exchanger (7).
8. A control method of an air conditioning unit according to any one of claims 5 to 7, characterized in that: the air conditioning unit has a heating mode and a cooling mode:
in the heating mode, the commutation structure (2) is switched to the first state;
in a cooling mode, the reversing structure (2) switches to the second state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110179178.7A CN112762589A (en) | 2021-02-09 | 2021-02-09 | Heat dissipation device, air conditioning unit and control method of air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110179178.7A CN112762589A (en) | 2021-02-09 | 2021-02-09 | Heat dissipation device, air conditioning unit and control method of air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112762589A true CN112762589A (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110179178.7A Pending CN112762589A (en) | 2021-02-09 | 2021-02-09 | Heat dissipation device, air conditioning unit and control method of air conditioning unit |
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| Country | Link |
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| CN (1) | CN112762589A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289673A (en) * | 2022-07-28 | 2022-11-04 | 珠海格力电器股份有限公司 | Air conditioner heat dissipation device, air conditioner and air conditioner heat dissipation method |
-
2021
- 2021-02-09 CN CN202110179178.7A patent/CN112762589A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289673A (en) * | 2022-07-28 | 2022-11-04 | 珠海格力电器股份有限公司 | Air conditioner heat dissipation device, air conditioner and air conditioner heat dissipation method |
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