CN212362210U - Indoor unit and air conditioner with condensation prevention function - Google Patents
Indoor unit and air conditioner with condensation prevention function Download PDFInfo
- Publication number
- CN212362210U CN212362210U CN202021041532.7U CN202021041532U CN212362210U CN 212362210 U CN212362210 U CN 212362210U CN 202021041532 U CN202021041532 U CN 202021041532U CN 212362210 U CN212362210 U CN 212362210U
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- indoor unit
- radiator
- temperature
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- 230000005494 condensation Effects 0.000 title abstract description 32
- 238000009833 condensation Methods 0.000 title abstract description 32
- 230000002265 prevention Effects 0.000 title description 4
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 23
- 239000004020 conductor Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The utility model provides an indoor set, air conditioner with prevent condensation function. The indoor unit comprises a shell and a radiator used for radiating the electric appliance box, wherein 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, the radiator is arranged in the housing, and the housing can adjust the air flow flowing through the radiator. The utility model provides an indoor set with prevent condensation function, an air conditioner, utilize the housing to adjust the airflow flow of radiator department, the difference in temperature between control radiator and the electrical apparatus box makes the difference in temperature between them can not cause the condensation risk, thereby the effectual problem of avoiding the electrical apparatus box condensation, can realize automatically regulated through end cover and driving piece, the material of housing is made by the heat conduction material and is set up the heat preservation, play certain heat preservation effect when guaranteeing the radiating effect of radiator, increase the regulating efficiency of housing to the radiator.
Description
Technical Field
The utility model relates to an air treatment equipment technical field, especially an indoor set, air conditioner with prevent condensation function.
Background
The electric box of the existing air pipe type internal machine is basically arranged on the side of the internal machine of the air conditioner, for the internal machine driven externally, a radiator is adopted to radiate heat for a driving plate, the radiator directly receives the air flow of the internal machine to radiate heat, the radiating efficiency of the radiator is fixed, but when the air conditioner operates in the environment refrigeration with large 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 and the radiator at the equal position is reduced due to heat conduction, the temperature difference is generated at the higher position with the ambient temperature of the electric box, the dew point temperature of the air can be reached, and the risk of condensation of the corresponding position of a power module of the electric box of.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that condensation is generated at the electric appliance box due to the fact that the heat dissipation efficiency of the existing indoor unit to the electric appliance box cannot be adjusted, the indoor unit and the air conditioner which are provided with the condensation preventing function and can reduce the temperature difference between the radiator and the electric appliance box by adjusting the air flow at the radiator are provided.
The utility model provides an indoor unit, includes casing and the radiating radiator that is used for the 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 flow of flowing 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 opening degree of the first opening can be adjusted by the end cover.
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 electric appliance box, and the temperature detection mechanism is electrically connected with the driving piece.
The housing is a cuboid structure, the cuboid structure has two opposite sides, and one is formed with on the side first opening, another is formed with on the side the second opening.
An airflow channel is formed inside the shell, 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 distance between the inner surface of the housing and the surface of the heat sink is in the range of 30mm to 50 mm.
The housing is made of a thermally conductive material.
And the inner surface and/or the outer surface of the housing is/are provided with an insulating layer.
The material of the heat insulation 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 comprises the following steps:
step S1, judging whether the electrical box has a condensation risk;
and step S2, if the condensation risk exists, reducing the airflow passing through the radiator.
The indoor unit further includes a temperature detection mechanism having a function of acquiring a temperature of the heat sink and a temperature around the electric box, the temperature detection mechanism being electrically connected to the driving member, and in step S1, the indoor unit further includes:
setting a preset temperature difference t;
acquiring the temperature T1 of a radiator and the temperature T2 around an electric box, and comparing | T1-T2| with T;
and if the absolute value of T1-T2 is greater than T, determining that the electrical box is at the risk of condensation.
The value range of the preset temperature difference t is 1-3 ℃.
The cover case has a first opening and a second opening, an end cover is disposed at the first opening, and the opening degree of the first opening can be adjusted by the end cover, which further includes in step S2:
if there is a risk of condensation, the opening of the first opening is reduced.
Step S2 further includes: if there is no risk of condensation, then:
step A1, judging whether the electric appliance box has a temperature rise risk or not;
step a2, if there is a risk of temperature rise, increasing the airflow through the heat sink.
The indoor unit further comprises a temperature detection mechanism having a function of acquiring the temperature inside the casing and the outlet air temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving member, and the step A1 further comprises the following steps:
obtaining the internal temperature T3 of the shell and the air outlet temperature T4 of the indoor unit, and comparing T3 with T4;
and if T3 < T4, determining that the electrical box is at temperature rise risk.
The indoor unit further comprises a temperature detection mechanism having a function of acquiring the temperature inside the casing and the outlet air temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving member, and the step A1 further comprises the following steps:
setting a first temperature value T5;
obtaining the internal temperature T3 of the shell, comparing T3 and T5;
and if T3 is greater than T5, determining that the electrical box is at a temperature rise risk.
The indoor unit further comprises a temperature detection mechanism having a function of acquiring the temperature inside the casing and the outlet air temperature of the indoor unit, the temperature detection mechanism is electrically connected with the driving member, and the step A1 further comprises the following steps:
setting a second temperature value T6;
acquiring the air outlet temperature T4 of the indoor unit, and comparing T4 with T6;
and if T4 is greater than T6, determining that the electrical box is at a temperature rise risk.
The cover casing has a first opening and a second opening, an end cover is arranged at the first opening, and the opening degree of the first opening can be adjusted by the end cover, and step a2 further includes:
if there is a risk of temperature rise, the opening degree of the first opening is increased.
An air conditioner comprises the indoor unit.
The utility model provides an indoor set with prevent condensation function, an air conditioner, utilize the housing to adjust the airflow flow of radiator department, the difference in temperature between control radiator and the electrical apparatus box makes the difference in temperature between them can not cause the condensation risk, thereby the effectual problem of avoiding the electrical apparatus box condensation, can realize automatically regulated through end cover and driving piece, the material of housing is made by the heat conduction material and is set up the heat preservation, play certain heat preservation effect when guaranteeing the radiating effect of radiator, increase the regulating efficiency of housing to the radiator.
Drawings
Fig. 1 is a schematic structural view of an indoor unit of an embodiment of an indoor unit and an air conditioner with a condensation prevention function according to the present invention;
FIG. 2 is a schematic view of a portion of FIG. 1 at B;
fig. 3 is a schematic structural view of a housing of an embodiment of an indoor unit and an air conditioner with a condensation prevention function 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 drive member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 3, the indoor unit includes a casing 1 and a heat sink 2 for dissipating heat from an electrical box 3, wherein the heat sink 2 is disposed in the casing 1, the electrical box 3 is disposed outside the casing 1, and the heat sink 2 is connected to the electrical box 3 by screws, and a condensation problem is caused at the screw connection position due to a temperature difference between the electrical box 3 and the heat sink 2, so that the indoor unit of the present application further includes a casing 4, the casing 4 is covered on an inner surface of the casing 1, the heat sink 2 is disposed in the casing 4, and the casing 4 can adjust an airflow flowing through the heat sink 2, and adjust a temperature of the heat sink 2 by adjusting the airflow flowing through the heat sink 2, so that a temperature difference between the heat sink 2 and the electrical box 3 is not enough to condense the electrical box 3 on the premise of ensuring the heat dissipation of the electrical box 3 by the heat sink 2, finally, the purpose of avoiding the condensation of the electric appliance box 3 is realized.
The housing 4 has a first opening 41 and a second opening 42, an end cover 5 is disposed at the first opening 41, and the end cover 5 can adjust the opening degree of the first opening 41, and the gas flow entering the housing 4 is adjusted by adjusting the opening degree of the first opening 41, when the end cover 5 completely covers the first opening 41, a negative pressure is formed inside the housing 4, so that the gas 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 degree of the first opening 41 is not 0), the gas flow can smoothly enter the housing 4, so that heat exchange can be performed on the radiator 2, the gas flow can enter the housing 4 from the first opening 41 and flow out from the second opening 42, or the gas 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, 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 stop at any position.
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 of the indoor unit, the temperature of the radiator 2 and the ambient temperature of the electric appliance box 3, the temperature detection mechanism is electrically connected with the driving piece 6, the temperature acquired by the temperature detection mechanism is used for calculating the required temperature difference, and therefore 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, one of which is formed with the first opening 41 and the other of which is formed with the second opening 42.
An airflow channel is formed inside the shell 1, the housing 4 and the radiator 2 are arranged in the airflow channel, gas in the airflow channel sequentially passes through the first opening 41 and the second opening 42, an air outlet is formed in the shell 1, and the second opening 42 faces the air outlet.
The distance between the inner surface of the housing 4 and the surface of the radiator 2 is 30-50 mm, so that the problem that the heat exchange cannot be reduced and the condensation cannot be avoided due to the fact that the distance between the housing 4 and the radiator 2 is too large is avoided, and the problem that the radiator 2 cannot be reliably cooled due to the fact that the distance between the housing 4 and the radiator 2 is too large is also avoided.
The housing 4 is made of heat conducting materials, so that the housing 4 also has a heat dissipation effect, and the heat dissipation efficiency of the heat radiator 2 is ensured.
The internal surface and/or the surface of housing 4 are provided with the heat preservation, utilize the heat preservation to make housing 4 play certain heat preservation effect, reduce by the heat dissipation capacity on housing 4 surface, make the most heat dissipation capacity of radiator 2 all distribute through the gas that gets into in the housing 4, and then increase housing 4 to radiator 2's radiating efficiency's control degree.
The material of the heat insulation 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, the contact area between the shell 4 and the shell 1 is reduced as much as possible, and preferably, thin sponge is arranged between the flanging structure and the inner surface of the shell 1, so that the generation of condensation is reduced.
A control method of the indoor unit described above, the indoor unit including the electrical box 3, the control method comprising:
step S1, judging whether the electrical box 3 has condensation risk;
step S2, if there is a risk of condensation, reducing the airflow passing through the heat sink 2, so as to increase the temperature of the heat sink 2, and reduce the temperature difference between the heat sink 2 and the electrical box 3, thereby avoiding the problem of condensation caused by an excessive temperature difference.
The indoor unit further includes a temperature detection mechanism having a function of acquiring a temperature of the heat sink 2 and a temperature around the electric box 3, the temperature detection mechanism being electrically connected to the driving member 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 | T1-T2| with T;
if the temperature difference between the radiator 2 and the electrical box 3 is too large at the moment and condensation is possible, namely if the temperature difference is greater than T, namely | T1-T2| > T, the electrical box 3 is determined to have condensation risk.
If the absolute value of T1-T2 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 cannot be caused.
The value range of the preset temperature difference t is 1-3 ℃, preferably 2 ℃, and is set according to the environment conditions of practical application and the like.
The cover 4 has a first opening 41 and a second opening 42, an end cover 5 is disposed at the first opening 41, and the end cover 5 can adjust an opening degree of the first opening 41, and the step S2 further includes:
if there is a condensation risk, the opening degree of the first opening 41 is reduced, that is, the end cover 5 is rotated in the direction of closing the first opening 41, so as to reduce the gas flow entering the housing 4, thereby reducing the heat dissipation efficiency of the heat sink 2, and increasing the temperature of the heat sink 2 to compensate for the temperature difference between the heat sink 2 and the electrical box 3.
Since the heat-generating components are likely to fail to operate normally when the temperature of the electrical box 3 is too high, step S2 further includes: if there is no risk of condensation, then:
step A1, judging whether the electric box 3 has a temperature rise risk, wherein the temperature rise risk refers to a risk of temperature rise of the electric box 3;
step A2, if there is a temperature rise risk, increasing the airflow passing through the heat sink 2, and improving the heat dissipation efficiency of the heat sink 2, thereby ensuring that the electrical box 3 can work at a reasonable temperature.
The indoor unit further includes a temperature detection mechanism having a function of acquiring the temperature inside the casing 1 and the outlet air temperature of the indoor unit, the temperature detection mechanism is electrically connected to the driving member 6, and the step a1 further includes:
obtaining the internal temperature T3 of the shell 1 and the outlet air temperature T4 of the indoor unit, and comparing T3 with T4;
if T3 is less than T4, it indicates that the indoor unit is in a heating mode, the temperature of the airflow passing through the radiator 2 is high, and the heat dissipation efficiency of the radiator 2 is poor, and it is determined that the electrical box 3 has a risk of temperature rise and the heat dissipation efficiency of the radiator 2 needs to be increased.
The indoor unit further includes a temperature detection mechanism having a function of acquiring the temperature inside the casing 1 and the outlet air temperature of the indoor unit, the temperature detection mechanism is electrically connected to the driving member 6, and the step a1 further includes:
setting a first temperature value T5;
obtaining the internal temperature T3 of the shell 1, comparing T3 and T5;
if T3 > T5, it is indicated that the temperature of the environment where the electrical box 3 is located is too high, and some power modules may have a further temperature rise, and it is determined that the electrical box 3 is at risk of temperature rise.
The indoor unit further includes a temperature detection mechanism having a function of acquiring the temperature inside the casing 1 and the outlet air temperature of the indoor unit, the temperature detection mechanism is electrically connected to the driving member 6, and the step a1 further includes:
setting a second temperature value T6;
acquiring the air outlet temperature T4 of the indoor unit, and comparing T4 with T6;
if T4 is greater than T6, it indicates that the indoor unit is in a heating mode, the temperature of the airflow passing through the radiator 2 is high, and the heat dissipation efficiency of the radiator 2 is poor, and it is determined that the electrical box 3 has a risk of temperature rise.
The cover 4 has a first opening 41 and a second opening 42, an end cover 5 is disposed at the first opening 41, and the end cover 5 can adjust the opening degree of the first opening 41, and step a2 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 above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (12)
1. The utility model provides an indoor unit, 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 cover shell (4), the cover shell (4) is covered on the inner surface of the shell (1), the radiator (2) is arranged in the cover shell (4), and the cover shell (4) can adjust the air flow flowing through the radiator (2).
2. The indoor unit according to claim 1, wherein: the cover shell (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 degree of the first opening (41) can be adjusted by the end cover (5).
3. The indoor unit according to claim 2, 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.
4. The indoor unit according to claim 3, 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 of the indoor unit, the temperature of the radiator (2) and the ambient temperature of the electric appliance box (3), and the temperature detection mechanism is electrically connected with the driving piece (6).
5. The indoor unit according to claim 2, wherein: the housing (4) is of a cuboid structure, the cuboid structure is provided with two opposite side faces, one side face is provided with the first opening (41), and the other side face is provided with the second opening (42).
6. The indoor unit according to claim 2, wherein: an airflow channel is formed inside the shell (1), the cover shell (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).
7. The indoor unit according to claim 1, wherein: the distance between the inner surface of the cover shell (4) and the surface of the radiator (2) is in the range of 30-50 mm.
8. The indoor unit according to claim 1, wherein: the housing (4) is made of a heat-conducting material.
9. The indoor unit according to claim 8, wherein: and the inner surface and/or the outer surface of the housing (4) is/are provided with an insulating layer.
10. The indoor unit according to claim 9, wherein: the material of the heat insulation layer comprises sponge.
11. The indoor unit according to 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.
12. An air conditioner, characterized in that: comprising the indoor unit of any one of claims 1 to 11.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021041532.7U CN212362210U (en) | 2020-06-08 | 2020-06-08 | Indoor unit and air conditioner with condensation prevention function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021041532.7U CN212362210U (en) | 2020-06-08 | 2020-06-08 | Indoor unit and air conditioner with condensation prevention function |
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Publication Number | Publication Date |
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CN212362210U true CN212362210U (en) | 2021-01-15 |
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CN202021041532.7U Withdrawn - After Issue CN212362210U (en) | 2020-06-08 | 2020-06-08 | Indoor unit and air conditioner with condensation prevention function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111678199A (en) * | 2020-06-08 | 2020-09-18 | 珠海格力电器股份有限公司 | Indoor unit with condensation preventing function, air conditioner and control method of indoor unit |
-
2020
- 2020-06-08 CN CN202021041532.7U patent/CN212362210U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111678199A (en) * | 2020-06-08 | 2020-09-18 | 珠海格力电器股份有限公司 | Indoor unit with condensation preventing function, air conditioner and control method of indoor unit |
CN111678199B (en) * | 2020-06-08 | 2024-03-19 | 珠海格力电器股份有限公司 | Indoor unit with condensation prevention function, air conditioner and control method of indoor unit |
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