CN111678199B - Indoor unit with condensation prevention function, air conditioner and control method of indoor unit - Google Patents
Indoor unit with condensation prevention function, air conditioner and control method of indoor unit Download PDFInfo
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- CN111678199B CN111678199B CN202010513932.1A CN202010513932A CN111678199B CN 111678199 B CN111678199 B CN 111678199B CN 202010513932 A CN202010513932 A CN 202010513932A CN 111678199 B CN111678199 B CN 111678199B
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- 238000009833 condensation Methods 0.000 title claims abstract description 37
- 230000005494 condensation Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000002265 prevention Effects 0.000 title abstract description 6
- 238000004321 preservation Methods 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 31
- 230000017525 heat dissipation Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Landscapes
- 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)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an indoor unit with a condensation preventing function, an air conditioner and a control method of the indoor unit. The indoor unit comprises a shell and a radiator for radiating heat of the electrical box, the radiator is arranged in the shell, the indoor unit further comprises a housing, the housing is arranged on the inner surface of the shell in a covering mode, the radiator is arranged in the housing, and the housing can adjust airflow flowing through the radiator. According to the indoor unit with the condensation prevention function, the air conditioner and the control method of the indoor unit, provided by the invention, the air flow at the radiator is regulated by the housing, the temperature difference between the radiator and the electric box is controlled, so that the condensation risk of the electric box is not caused by the temperature difference between the radiator and the electric box, the problem of condensation of the electric box is effectively avoided, automatic regulation can be realized by the end cover and the driving piece, the material of the housing is made of a heat conducting material and is provided with the heat preservation layer, the heat dissipation effect of the radiator is ensured, a certain heat preservation effect is realized, and the regulation efficiency of the housing on the radiator is improved.
Description
Technical Field
The invention relates to the technical field of air treatment equipment, in particular to an indoor unit with a condensation prevention function, an air conditioner and a control method of the indoor unit.
Background
The electric box of the existing air duct type internal machine is basically arranged on the side edge of the air conditioner internal machine, the external driving internal machine is cooled by adopting a radiator to directly receive air flow of the internal machine for cooling, so that the cooling efficiency of the radiator is fixed, but when the air conditioner is operated in a refrigerating environment with higher humidity, the air outlet temperature of the air conditioner is lower, the temperature of the radiator is correspondingly lower, the temperature of the electric box corresponding to the radiator is reduced due to heat conduction, a temperature difference is generated between the electric box and the position with higher surrounding temperature of the electric box, and the dew point temperature of air can be reached, so that the condensation risk of the power module corresponding to the electric box of the air conditioner is caused.
Disclosure of Invention
In order to solve the technical problem that condensation is generated at the electric box because the heat dissipation efficiency of the existing indoor unit to the electric box cannot be adjusted, the indoor unit with the condensation prevention function, an air conditioner and a control method of the indoor unit are provided, wherein the temperature difference between the radiator and the electric box is reduced by adjusting the gas flow at the radiator.
The utility model provides an indoor unit, includes casing and is used for the radiating radiator of electrical apparatus box, the radiator set up in the casing, indoor unit still includes the housing, the housing cover is located on the casing internal surface, the radiator set up in the housing, just the housing can adjust the air current flow who flows through the radiator.
The housing is provided with a first opening and a second opening, an end cover is arranged at the first opening, and the end cover can adjust the opening degree of the first opening.
The indoor unit further comprises a driving piece, the driving piece is arranged on the housing, and the driving piece drives the end cover to rotate.
The indoor unit further comprises a temperature detection mechanism with the functions of acquiring the temperature inside the shell, the temperature of the air outlet temperature of the indoor unit, the temperature of the radiator and the ambient temperature of the electrical box, and the temperature detection mechanism is electrically connected with the driving piece.
The housing is of a cuboid structure, the cuboid structure is provided with two opposite side faces, the first opening is formed in one side face, and the second opening is formed in the other side face.
The shell is internally provided with an airflow channel, the housing and the radiator are arranged in the airflow channel, and gas in the airflow channel sequentially passes through the first opening and the second opening.
The spacing between the inner surface of the housing and the surface of the heat sink is in the range of 30mm to 50mm.
The housing is made of a thermally conductive material.
The inner surface and/or the outer surface of the housing are/is provided with a heat preservation layer.
The material of the heat preservation layer comprises sponge.
The housing is provided with a flanging structure, and the housing is arranged on the shell through the flanging structure.
The control method of the indoor unit, wherein the indoor unit comprises an electrical box, comprises the following steps:
step S1, judging whether the electric box has condensation risk or not;
and S2, if the condensation risk exists, reducing the airflow rate passing through the radiator.
The indoor unit further includes a temperature detection mechanism having a function of acquiring a temperature of the radiator and a temperature around the electrical box, the temperature detection mechanism being electrically connected with the driving element, and further includes in step S1:
setting a preset temperature difference t;
acquiring the temperature T1 of the radiator and the temperature T2 around the electric box, and comparing I T1-T2I with T;
if the absolute value of T1-T2 is more than T, determining that the electric box has condensation risk.
The value range of the preset temperature difference t is 1-3 ℃.
The housing has first opening and second opening, first opening department is provided with the end cover, just the end cover can adjust first open-ended aperture still includes in step S2:
and if the condensation risk exists, reducing the opening degree of the first opening.
The step S2 further includes: if there is no risk of condensation, then:
a1, judging whether the electrical box has a temperature rise risk or not;
and step A2, if the temperature rise risk exists, increasing the airflow rate passing through the radiator.
The indoor unit further comprises a temperature detection mechanism with a function of acquiring the temperature inside the shell and the air outlet temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving piece, and the indoor unit further comprises in step A1:
acquiring the internal temperature T3 of the shell and the air outlet temperature T4 of the indoor unit, and comparing the T3 with the T4;
if T3 is less than T4, determining that the electrical box has a temperature rise risk.
The indoor unit further comprises a temperature detection mechanism with a function of acquiring the temperature inside the shell and the air outlet temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving piece, and the indoor unit further comprises in step A1:
setting a first temperature value T5;
obtaining the internal temperature T3 of the shell, and comparing the internal temperature T3 with the internal temperature T5;
if T3 is more than T5, determining that the electrical box has a temperature rise risk.
The indoor unit further comprises a temperature detection mechanism with a function of acquiring the temperature inside the shell and the air outlet temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving piece, and the indoor unit further comprises in step A1:
setting a second temperature value T6;
acquiring the air outlet temperature T4 of the indoor unit, and comparing the T4 with the T6;
if T4 is more than T6, determining that the electrical box has a temperature rise risk.
The housing has first opening and second opening, first opening department is provided with the end cover, just the end cover can adjust first open-ended aperture, still includes in step A2:
if there is a risk of temperature rise, the opening degree of the first opening is increased.
An air conditioner comprises the indoor unit.
According to the indoor unit with the condensation prevention function, the air conditioner and the control method of the indoor unit, provided by the invention, the air flow at the radiator is regulated by the housing, the temperature difference between the radiator and the electric box is controlled, so that the condensation risk of the electric box is not caused by the temperature difference between the radiator and the electric box, the problem of condensation of the electric box is effectively avoided, automatic regulation can be realized by the end cover and the driving piece, the material of the housing is made of a heat conducting material and is provided with the heat preservation layer, the heat dissipation effect of the radiator is ensured, a certain heat preservation effect is realized, and the regulation efficiency of the housing on the radiator is improved.
Drawings
Fig. 1 is a schematic structural diagram of an indoor unit with anti-condensation function, an air conditioner and a control method of the indoor unit according to an embodiment of the present invention;
FIG. 2 is a partial schematic view of the portion B in FIG. 1;
fig. 3 is a schematic structural view of a casing of an embodiment of an indoor unit with anti-condensation function, an air conditioner and a control method of the indoor unit according to the present invention;
in the figure:
1. a housing; 2. a heat sink; 3. an electrical box; 4. a housing; 5. an end cap; 41. a first opening; 42. a second opening; 6. a driving member.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The indoor unit as shown in fig. 1 to 3 comprises a shell 1 and a radiator 2 for dissipating heat of an electric box 3, wherein the radiator 2 is arranged in the shell 1, the electric box 3 is arranged outside the shell 1, the radiator 2 and the electric box 3 are connected through screws, and condensation problems can be caused at the screw connection position due to the temperature difference between the electric box 3 and the radiator 2, therefore, the indoor unit further comprises a housing 4, the housing 4 is arranged on the inner surface of the shell 1 in a covering manner, the radiator 2 is arranged in the housing 4, the housing 4 can adjust the airflow flow rate flowing through the radiator 2, and the temperature of the radiator 2 is adjusted by adjusting the airflow flow rate of the radiator 2, so that the temperature difference between the radiator 2 and the electric box 3 is insufficient to enable the electric box 3 to condense on the premise of ensuring that the radiator 2 dissipates heat of the electric box 3, and finally the purpose of avoiding condensation of the electric box 3 is realized.
The housing 4 has a first opening 41 and a second opening 42, the first opening 41 is provided with an end cover 5, the end cover 5 can adjust the opening of the first opening 41, the air flow entering the housing 4 is adjusted by adjusting the opening of the first opening 41, when the end cover 5 is completely shielded at the first opening 41, the housing 4 forms negative pressure so that the air flow cannot enter the housing 4 from the second opening 42, and when an included angle is formed between the end cover 5 and the first opening 41 (that is, the opening at the first opening 41 is not 0), the air flow can smoothly enter the housing 4, heat exchange can be performed on the radiator 2, the air flow can enter the housing 4 from the first opening 41 and flow out from the second opening 42, or the air flow can enter the housing 4 from the second opening 42 and flow out from the first opening 41.
The indoor unit further comprises a driving piece 6, the driving piece 6 is arranged on the housing 4, the driving piece 6 drives the end cover 5 to rotate, the end cover 5 is arranged at the first opening 41 through one edge of the end cover 5, the driving piece 6 enables the end cover 5 to rotate along one edge of the end cover as an axis, the opening degree of the first opening 41 is adjusted, and the driving piece 6 can control the end cover 5 to stay at any position.
The indoor unit further comprises a temperature detection mechanism having a function of acquiring the temperature inside the casing 1, the temperature of the air outlet temperature function of the indoor unit, the temperature of the radiator 2 and the ambient temperature of the electrical box 3, the temperature detection mechanism is electrically connected with the driving element 6, and the required temperature difference is calculated by using the temperature acquired by the temperature detection mechanism, so that the opening degree of the first opening 41 is adjusted according to the temperature difference.
The housing 4 is a rectangular parallelepiped structure having two opposite side surfaces, and one side surface is formed with the first opening 41 and the other side surface is formed with the second opening 42.
The inside air current passageway that is formed with of casing 1, housing 4 with radiator 2 set up in the air current passageway, just the gas in the air current passageway is in proper order through first opening 41 with second opening 42 is provided with the air outlet on the casing 1, second opening 42 is towards the air outlet.
The distance between the inner surface of the housing 4 and the surface of the radiator 2 is 30mm-50mm, so that the problem that the condensation is avoided due to the fact that the heat exchange cannot be reduced because of the overlarge distance between the housing 4 and the radiator 2 is avoided, and the problem that the reliable heat dissipation effect on the radiator 2 cannot be achieved because of the overlarge distance between the housing 4 and the radiator 2 is avoided.
The housing 4 is made of a heat conducting material, so that the housing 4 also has a heat dissipation effect, and the heat dissipation efficiency of the radiator 2 is ensured.
The heat insulation layer is arranged on the inner surface and/or the outer surface of the housing 4, the housing 4 has a certain heat insulation effect by utilizing the heat insulation layer, the heat dissipation capacity of the surface of the housing 4 is reduced, most of the heat dissipation capacity of the radiator 2 is dissipated through gas entering the housing 4, and the control degree of the housing 4 on the heat dissipation efficiency of the radiator 2 is further increased.
The material of the heat preservation layer comprises sponge.
The shell 4 is provided with a flanging structure, the shell 4 is arranged on the shell 1 through the flanging structure, so that the contact area between the shell 4 and the shell 1 is reduced as much as possible, and preferably, a thin sponge is arranged between the flanging structure and the inner surface of the shell 1, so that the generation of condensation is reduced.
The control method of the indoor unit, the indoor unit includes an electrical box 3, the control method includes:
step S1, judging whether the electric box 3 has condensation risk or not;
step S2, if there is a condensation risk, the airflow flow passing through the radiator 2 is reduced, so that the temperature of the radiator 2 is increased, and the temperature difference between the radiator 2 and the electrical box 3 is reduced, thereby avoiding the condensation problem caused by overlarge temperature difference.
The indoor unit further includes a temperature detection mechanism having a function of acquiring the temperature of the radiator 2 and the temperature around the electrical box 3, the temperature detection mechanism being electrically connected to the driving element 6, and further includes in step S1:
setting a preset temperature difference t;
acquiring the temperature T1 of the radiator 2 and the temperature T2 around the electric box 3, and comparing I T1-T2I with T;
if |T1-T2| > T, the temperature difference between the radiator 2 and the electrical box 3 is too large, and the possibility of condensation exists, the electrical box 3 is determined to have the risk of condensation.
If the I T1-T2I is less than or equal to T, the temperature difference between the radiator 2 and the electrical box 3 is in a reasonable range, and the problem of condensation is avoided.
The preset temperature difference t is set within a range of 1-3 ℃, preferably 2 ℃, according to practical environmental conditions and the like.
The housing 4 has a first opening 41 and a second opening 42, the first opening 41 is provided with an end cap 5, and the end cap 5 is capable of adjusting the opening of the first opening 41, and in step S2, the method further includes:
if there is a condensation risk, the opening degree of the first opening 41 is reduced, that is, the end cover 5 rotates in the direction of closing the first opening 41, so that the gas flow entering the interior of the housing 4 is reduced, the heat dissipation efficiency of the heat radiator 2 is reduced, and the temperature of the heat radiator 2 is increased to compensate the temperature difference between the heat radiator 2 and the electrical box 3.
When the temperature of the electrical box 3 is too high, the problem that the heating element cannot work normally is easily caused, so the step S2 further includes: if there is no risk of condensation, then:
a1, judging whether the electrical box 3 has a temperature rise risk, wherein the temperature rise risk refers to the risk of temperature rise of the electrical box 3;
and step A2, if the temperature rise risk exists, increasing the airflow flow passing through the radiator 2, and improving the radiating efficiency of the radiator 2, thereby ensuring that the electrical box 3 can work at a reasonable temperature.
The indoor unit further comprises a temperature detection mechanism with a function of acquiring the temperature inside the casing 1 and the air outlet temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving piece 6, and the step A1 further comprises:
acquiring the internal temperature T3 of the shell 1 and the air outlet temperature T4 of the indoor unit, and comparing the T3 with the T4;
if T3 is less than T4, indicating that the indoor unit is in the heating mode, the air flow passing through the radiator 2 is higher, and the heat dissipation efficiency of the radiator 2 is poor, it is determined that the electrical box 3 has a temperature rise risk, and the heat dissipation efficiency of the radiator 2 needs to be increased.
The indoor unit further comprises a temperature detection mechanism with a function of acquiring the temperature inside the casing 1 and the air outlet temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving piece 6, and the step A1 further comprises:
setting a first temperature value T5;
obtaining the internal temperature T3 of the shell 1, comparing the T3 with the T5;
if T3 is greater than T5, the temperature of the environment where the electrical box 3 is located is too high, and the temperature of some power modules is possibly further increased, and the electrical box 3 is determined to have the temperature rise risk.
The indoor unit further comprises a temperature detection mechanism with a function of acquiring the temperature inside the casing 1 and the air outlet temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving piece 6, and the step A1 further comprises:
setting a second temperature value T6;
acquiring the air outlet temperature T4 of the indoor unit, and comparing the T4 with the T6;
if T4 is greater than T6, the indoor unit is in a heating mode, the temperature of the air flow passing through the radiator 2 is high, and the heat dissipation efficiency of the radiator 2 is poor, so that the electric box 3 is determined to have a temperature rise risk.
The housing 4 has a first opening 41 and a second opening 42, the first opening 41 is provided with an end cap 5, and the end cap 5 can adjust the opening of the first opening 41, and in step A2, the method further includes:
if there is a risk of temperature rise, the opening degree of the first opening 41 is increased.
An air conditioner comprises the indoor unit.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (20)
1. The utility model provides an indoor set, includes casing (1) and is used for radiating radiator (2) of electrical apparatus box (3), radiator (2) set up in casing (1), its characterized in that: the indoor unit further comprises a housing (4), the housing (4) is covered on the inner surface of the shell (1), the radiator (2) is arranged in the housing (4), and the housing (4) can adjust the airflow rate flowing through the radiator (2); the housing (4) is provided with a first opening (41) and a second opening (42), an end cover (5) is arranged at the first opening (41), and the opening of the first opening (41) can be adjusted by the end cover (5).
2. The indoor unit of claim 1, wherein: the indoor unit further comprises a driving piece (6), the driving piece (6) is arranged on the housing (4), and the driving piece (6) drives the end cover (5) to rotate.
3. The indoor unit of claim 2, wherein: the indoor unit further comprises a temperature detection mechanism with the functions of acquiring the temperature inside the shell (1), the temperature of the air outlet temperature function of the indoor unit, the temperature of the radiator (2) and the ambient temperature of the electrical box (3), and the temperature detection mechanism is electrically connected with the driving piece (6).
4. The indoor unit of claim 1, wherein: the housing (4) is of a cuboid structure, the cuboid structure is provided with two opposite side surfaces, one side surface is provided with the first opening (41), and the other side surface is provided with the second opening (42).
5. The indoor unit of claim 1, wherein: an airflow channel is formed in the shell (1), the housing (4) and the radiator (2) are arranged in the airflow channel, and gas in the airflow channel sequentially passes through the first opening (41) and the second opening (42).
6. The indoor unit of claim 1, wherein: the distance between the inner surface of the housing (4) and the surface of the heat sink (2) ranges from 30mm to 50mm.
7. The indoor unit of claim 1, wherein: the housing (4) is made of a heat-conducting material.
8. The indoor unit of claim 7, wherein: the inner surface and/or the outer surface of the housing (4) is/are provided with a heat preservation layer.
9. The indoor unit of claim 8, wherein: the material of the heat preservation layer comprises sponge.
10. The indoor unit of claim 1, wherein: the shell (4) is provided with a flanging structure, and the shell (4) is arranged on the shell (1) through the flanging structure.
11. A control method of an indoor unit according to any one of claims 1 to 10, characterized by: comprising the following steps:
step S1, judging whether the electric box (3) has condensation risk or not;
and step S2, if the condensation risk exists, reducing the airflow rate passing through the radiator (2).
12. The control method according to claim 11, characterized in that: the indoor unit further comprises a temperature detection mechanism with a function of acquiring the temperature of the radiator (2) and the ambient temperature of the electrical box (3), the temperature detection mechanism is electrically connected with the driving piece (6), and the indoor unit further comprises in step S1:
setting a preset temperature difference t;
acquiring the temperature T1 of the radiator (2) and the temperature T2 around the electric box (3), and comparing I T1-T2I with T;
if the absolute value of T1-T2 is more than T, determining that the electric box (3) has condensation risk.
13. The control method according to claim 12, characterized in that: the value range of the preset temperature difference t is 1-3 ℃.
14. The control method according to claim 11, characterized in that: the housing (4) has a first opening (41) and a second opening (42), an end cap (5) is provided at the first opening (41), and the end cap (5) is capable of adjusting the opening of the first opening (41), and in step S2, the method further comprises:
if there is a risk of condensation, the opening of the first opening (41) is reduced.
15. The control method according to claim 11, characterized in that: the step S2 further includes: if there is no risk of condensation, then:
a1, judging whether the electrical box (3) has a temperature rise risk or not;
and step A2, if the temperature rise risk exists, increasing the airflow rate passing through the radiator (2).
16. The control method according to claim 15, characterized in that: the indoor unit further comprises a temperature detection mechanism with the functions of acquiring the temperature inside the shell (1) and the air outlet temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving piece (6), and the indoor unit further comprises in step A1:
acquiring the internal temperature T3 of the shell (1) and the air outlet temperature T4 of the indoor unit, and comparing the T3 with the T4;
if T3 is less than T4, determining that the electrical box (3) has a temperature rise risk.
17. The control method according to claim 15, characterized in that: the indoor unit further comprises a temperature detection mechanism with the functions of acquiring the temperature inside the shell (1) and the air outlet temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving piece (6), and the indoor unit further comprises in step A1:
setting a first temperature value T5;
obtaining the internal temperature T3 of the shell (1), comparing T3 with T5;
if T3 is more than T5, determining that the electrical box (3) has a temperature rise risk.
18. The control method according to claim 15, characterized in that: the indoor unit further comprises a temperature detection mechanism with the functions of acquiring the temperature inside the shell (1) and the air outlet temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving piece (6), and the indoor unit further comprises in step A1:
setting a second temperature value T6;
acquiring the air outlet temperature T4 of the indoor unit, and comparing the T4 with the T6;
if T4 is more than T6, determining that the electrical box (3) has a temperature rise risk.
19. The control method according to claim 15, characterized in that: the housing (4) has a first opening (41) and a second opening (42), the first opening (41) is provided with an end cap (5), and the end cap (5) is capable of adjusting the opening of the first opening (41), and in step A2, the method further comprises:
if there is a risk of temperature rise, the opening degree of the first opening (41) is increased.
20. An air conditioner, characterized in that: comprising an indoor unit according to any one of claims 1 to 10.
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| CN112303854B (en) * | 2020-10-30 | 2023-02-03 | 青岛海尔空调电子有限公司 | Control method of suction air conditioner |
| CN112839482B (en) * | 2020-12-11 | 2024-05-31 | 青岛海尔新能源电器有限公司 | Heat pump unit and heat dissipation control method of controller |
| CN115751482B (en) * | 2022-11-14 | 2025-10-28 | 珠海格力电器股份有限公司 | air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0204668A (en) * | 2002-08-08 | 2004-06-08 | Univ Fed Pernambuco | Passive condensate water absorption and evaporation system in window type air conditioning units |
| CN101718455A (en) * | 2009-11-06 | 2010-06-02 | 全国人防工程内部环境与设备研究中心 | Ventilating and air-conditioning cooling method and device of underground engineering |
| CN102466314A (en) * | 2010-11-17 | 2012-05-23 | 珠海格力电器股份有限公司 | Vertical air conditioner |
| CN103542467A (en) * | 2013-11-09 | 2014-01-29 | 青岛大学 | Air-conditioning condensate water utilization device |
| CN206257778U (en) * | 2016-12-01 | 2017-06-16 | 无锡赛孚电力环境控制设备有限公司 | A kind of electrical house temperature and humidity control anti-condensation system with cable duct |
| CN212362210U (en) * | 2020-06-08 | 2021-01-15 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner with condensation prevention function |
-
2020
- 2020-06-08 CN CN202010513932.1A patent/CN111678199B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0204668A (en) * | 2002-08-08 | 2004-06-08 | Univ Fed Pernambuco | Passive condensate water absorption and evaporation system in window type air conditioning units |
| CN101718455A (en) * | 2009-11-06 | 2010-06-02 | 全国人防工程内部环境与设备研究中心 | Ventilating and air-conditioning cooling method and device of underground engineering |
| CN102466314A (en) * | 2010-11-17 | 2012-05-23 | 珠海格力电器股份有限公司 | Vertical air conditioner |
| CN103542467A (en) * | 2013-11-09 | 2014-01-29 | 青岛大学 | Air-conditioning condensate water utilization device |
| CN206257778U (en) * | 2016-12-01 | 2017-06-16 | 无锡赛孚电力环境控制设备有限公司 | A kind of electrical house temperature and humidity control anti-condensation system with cable duct |
| CN212362210U (en) * | 2020-06-08 | 2021-01-15 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner with condensation prevention function |
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