CN107906632B - Air conditioner and humidification control method - Google Patents
Air conditioner and humidification control method Download PDFInfo
- Publication number
- CN107906632B CN107906632B CN201710931580.XA CN201710931580A CN107906632B CN 107906632 B CN107906632 B CN 107906632B CN 201710931580 A CN201710931580 A CN 201710931580A CN 107906632 B CN107906632 B CN 107906632B
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- Prior art keywords
- nozzle
- heat exchange
- evaporator
- exchange pipeline
- air conditioner
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005057 refrigeration Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 230000004308 accommodation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner and a humidification control method, wherein the air conditioner comprises the following components: the evaporator comprises a first heat exchange pipeline; the evaporator shell comprises a first accommodating cavity and a second accommodating cavity which are mutually independent, the evaporator is arranged in the evaporator shell, and the first heat exchange pipeline is positioned in the first accommodating cavity; the humidifying device comprises a second nozzle, the second nozzle is arranged in the evaporator shell, and the second nozzle is positioned in the second accommodating cavity; the temperature sensing package, humidity transducer, controller, the controller respectively with the temperature sensing package humidity transducer is connected. The invention makes refrigeration and humidification respectively carried out in different accommodating cavities, so that the humidified air can not pass through the evaporator in operation, and the refrigeration mode is not mutually influenced, thereby improving the humidification effect and avoiding the reduction of the refrigeration effect.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner and a humidification control method.
Background
Most of the existing air conditioners are provided with a humidifying system, the air conditioners can only be humidified in an air supply mode or a heating mode, in a refrigerating mode, ambient humidity is reduced due to dehumidification of the air conditioners, so that human comfort is reduced, the humidification in the refrigerating mode is of great significance, however, if the air conditioners are humidified while in a refrigerating mode, humidified air inevitably passes through an evaporator in operation, so that the original humid air humidity is reduced, no humidifying effect is achieved, and the refrigerating effect is reduced.
Disclosure of Invention
The invention discloses an air conditioner and a humidification control method, which solve the problems that in the prior art, humidification is performed in a refrigeration mode, and the refrigeration effect is reduced due to no effect.
According to one aspect of the present invention, there is disclosed an air conditioner comprising: the evaporator comprises a first heat exchange pipeline and an evaporator shell, wherein the evaporator shell comprises a first accommodating cavity and a second accommodating cavity which are mutually independent, and the first heat exchange pipeline is positioned in the first accommodating cavity; the humidifying device comprises a second nozzle, the second nozzle is arranged in the evaporator shell, and the second nozzle is positioned in the second accommodating cavity; and the controller is electrically connected with the humidifying device and is used for controlling the evaporator and the humidifying device according to the ambient temperature and the ambient humidity.
Further, the evaporator further comprises a second heat exchange pipeline, the second heat exchange pipeline is located in the second accommodating cavity, and the first heat exchange pipeline and the second heat exchange pipeline are arranged in parallel.
Further, the humidifying device further comprises a first nozzle, wherein the first nozzle is arranged in the evaporator shell, and the first nozzle is positioned in the first accommodating cavity.
Further, the air conditioner further comprises a first control valve and a second control valve, wherein the first control valve is used for independently controlling the circulation or closing of the first heat exchange pipeline, and the second control valve is used for independently controlling the circulation or closing of the second heat exchange pipeline.
Further, the air conditioner further comprises a third control valve and a fourth control valve, wherein the third control valve is used for controlling the first nozzle, and the fourth control valve is used for controlling the second nozzle.
Further, the method further comprises the following steps: the temperature sensing bag is positioned at the air return port of the indoor unit and is used for detecting indoor environment temperature; and the humidity sensor is positioned at the return air inlet of the indoor unit and used for detecting indoor environment humidity.
According to another aspect of the present invention, there is disclosed a humidification control method of the above air conditioner, comprising: detecting whether the air conditioner has a humidification requirement or not when the air conditioner is in refrigeration operation; in the case of a humidification demand, the evaporator and the humidifying device are controlled according to the ambient temperature and the ambient humidity.
Further, the step of controlling the evaporator and the humidifying device according to the ambient temperature and the ambient humidity includes: judging whether the difference between the environment temperature T1 and the air conditioner set temperature T2 is larger than an environment preset value T1 or not; and under the condition that T1-T2 is more than T1, controlling the evaporator to exchange heat, and controlling the humidifying device to be closed.
Further, the method also comprises the following steps: under the condition that T1-T2 is less than or equal to T1, judging whether the difference between the ambient humidity R1 and the air conditioner design humidity R2 is less than a humidity preset value N1 or not; when R2-R1 is more than or equal to N1, controlling the evaporator to stop heat exchange, and controlling the humidifying device to be opened; and under the condition that R2-R1 is less than N1, controlling the evaporator to exchange heat, and controlling the humidifying device to be opened.
Further, the evaporator of the air conditioner further comprises a second heat exchange pipeline, the second heat exchange pipeline is positioned in the second accommodating cavity, the first heat exchange pipeline and the second heat exchange pipeline are arranged in parallel, the humidifying device further comprises a first nozzle, the first nozzle is arranged in the evaporator shell, and the first nozzle is positioned in the first accommodating cavity; in the humidification control method, under the condition that T1-T2 is more than T1, the first heat exchange pipeline and the second heat exchange pipeline are controlled to be simultaneously opened, and the first nozzle and the second nozzle are controlled to be simultaneously closed; in the humidification control method, under the condition that R2-R1 is more than or equal to N1, the first heat exchange pipeline and the second heat exchange pipeline are controlled to be closed simultaneously, and the first nozzle and the second nozzle are controlled to be opened simultaneously; in the humidification control method, under the condition that R2-R1 is less than N1, the first heat exchange pipeline and the second nozzle are controlled to be simultaneously opened, and the second heat exchange pipeline and the first nozzle are controlled to be simultaneously closed; or controlling the second heat exchange pipeline and the first nozzle to be opened simultaneously, and controlling the first heat exchange pipeline and the second nozzle to be closed simultaneously.
According to the invention, the two mutually independent first accommodating cavities and the second accommodating cavities are arranged in the evaporator shell, the first heat exchange pipeline of the evaporator is arranged in the first accommodating cavities, and the second nozzle is arranged in the second accommodating cavities, so that refrigeration and humidification are respectively carried out in the different accommodating cavities, the humidified air cannot pass through the working evaporator, the two air cannot influence each other in a refrigeration mode, the humidification effect is improved, and meanwhile, the refrigeration effect is prevented from being reduced.
Drawings
FIG. 1 is a schematic view of an air conditioner according to an embodiment of the present invention;
fig. 2 is a flowchart of an air conditioning humidification control method according to an embodiment of the present invention;
legend: 10. an evaporator; 11. a first heat exchange line; 12. a second heat exchange line; 20. an evaporator housing; 21. a first accommodation chamber; 22. a second accommodation chamber; 30. a first nozzle; 40. a second nozzle; 50. a first control valve; 60. a second control valve; 70. a third control valve; 80. and a fourth control valve.
Detailed Description
The invention is further illustrated, but is not limited to, the following examples.
The invention discloses an air conditioner, comprising: the evaporator 10, the evaporator shell 20, humidification device, the temperature sensing package, humidity transducer and controller, the evaporator 10 includes first heat transfer pipeline 11, the evaporator shell 20 includes mutually independent first chamber 21 and second chamber 22 that holds, the evaporator 10 sets up in the evaporator shell 20, and first heat transfer pipeline 11 is located first chamber 21 that holds, humidification device includes second nozzle 40, second nozzle 40 sets up in the evaporator shell 20, and second nozzle 40 is located second chamber 22 that holds, the controller with humidification device electricity is connected, the controller is used for controlling according to ambient temperature and ambient humidity the evaporator 10 with humidification device. According to the invention, the first accommodating cavity 21 and the second accommodating cavity 22 which are mutually independent are arranged in the evaporator shell 20, the first heat exchange pipeline 11 of the evaporator 10 is arranged in the first accommodating cavity 21, and the second nozzle 40 is arranged in the second accommodating cavity 22, so that refrigeration and humidification are respectively carried out in different accommodating cavities, the humidified air cannot pass through the evaporator in operation, the effects of the refrigeration are not mutually influenced in a refrigeration mode, the humidification effect is improved, and the reduction of the refrigeration effect is avoided.
In the above embodiment, the evaporator 10 further includes the second heat exchange line 12, the second heat exchange line 12 is located in the second accommodating chamber 22, and the first heat exchange line 11 is disposed in parallel with the second heat exchange line 12, the humidifying device further includes the first nozzle 30, the first nozzle 30 is disposed in the evaporator housing 20, and the first nozzle 30 is located in the first accommodating chamber 21, the air conditioner further includes the first control valve 50, the second control valve 60, the third control valve 70, and the fourth control valve 80, the first control valve 50 is used for individually controlling the first heat exchange line 11 to flow or close, the second control valve 60 is used for individually controlling the second heat exchange line 12 to flow or close, the third control valve 70 is used for controlling the first nozzle 30, and the fourth control valve 80 is used for controlling the second nozzle 40. According to the invention, the second heat exchange pipeline 12 connected with the first heat exchange pipeline 11 in parallel is added in the second accommodating cavity 22, so that the refrigerating efficiency of the air conditioner is higher in a refrigerating mode, and the first nozzle 30 is arranged in the first accommodating cavity 21, so that the humidifying efficiency can be improved in a humidifying mode only; further, since the first heat exchange pipeline 11 and the second heat exchange pipeline 12 are arranged in parallel, the first control valve 50 and the second control valve 60 are matched with each other, so that the evaporator 10 can have a first working state, a second working state and a third working state, wherein in the first working state, the evaporator 10 exchanges heat completely, the first control valve 50 and the second control valve 60 are both in an open state, and the third control valve 70 and the fourth control valve 80 are in a closed state; in the second state, the partial evaporator 10 exchanges heat, the open-closed states of the first control valve 50 and the second control valve 60 are opposite, and the open-closed states of the third control valve 70 and the fourth control valve 80 are opposite, and the open-closed states of the first control valve 50 and the fourth control valve 80 are the same; in the third state, the evaporator 10 does not exchange heat, the first control valve 50 and the second control valve 60 are both in the closed state, and the third control valve 70 and the fourth control valve 80 are in the open state. By arranging the first control valve 50, the second control valve 60, the third control valve 70 and the fourth control valve 80, the control mode of the air conditioner is more diversified and more flexible, and a user can have more choices, so that the comfort level is improved.
The temperature sensing package is located the return air inlet department of indoor set for detect indoor ambient temperature, humidity transducer is located the return air inlet department of indoor set, is used for detecting indoor ambient humidity.
According to another aspect of the present invention, there is disclosed a humidification control method of the above air conditioner, comprising: detecting whether the air conditioner has a humidification requirement or not when the air conditioner is in refrigeration operation; in the case of having a humidification demand, the evaporator 10 and the humidifying device are controlled according to the ambient temperature and the ambient humidity.
In the above method, the step of controlling the evaporator and the humidifying device according to the ambient temperature and the ambient humidity includes: judging whether the difference between the environment temperature T1 and the air conditioner set temperature T2 is larger than an environment preset value T1 or not; and under the condition that T1-T2 is more than T1, controlling the evaporator 10 to exchange heat, and controlling the humidifying device to be closed.
In the above method, further comprising the steps of: under the condition that T1-T2 is less than or equal to T1, judging whether the difference between the ambient humidity R1 and the air conditioner design humidity R2 is less than a humidity preset value N1 or not; when R2-R1 is more than or equal to N1, the evaporator 10 is controlled to stop heat exchange, and the humidifying device is controlled to be opened; and under the condition that R2-R1 is less than N1, controlling the evaporator 10 to exchange heat and controlling the humidifying device to be opened.
In the above method, the evaporator 10 of the air conditioner further includes a second heat exchange line 12, the second heat exchange line 12 is located in the second accommodating chamber 22, and the first heat exchange line 11 is disposed in parallel with the second heat exchange line 12, the humidifying device further includes a first nozzle 30, the first nozzle 30 is disposed in the evaporator housing 20, and the first nozzle 30 is located in the first accommodating chamber 21; in the humidification control method, under the condition that T1-T2 is more than T1, the first heat exchange pipeline 11 and the second heat exchange pipeline 12 are controlled to be simultaneously opened, and the first nozzle 30 and the second nozzle 40 are controlled to be simultaneously closed; in the humidification control method, under the condition that R2-R1 is more than or equal to N1, the first heat exchange pipeline 11 and the second heat exchange pipeline 12 are controlled to be closed simultaneously, and the first nozzle 30 and the second nozzle 40 are controlled to be opened simultaneously; in the humidification control method, under the condition that R2-R1 is less than N1, the first heat exchange pipeline 11 and the second nozzle 40 are controlled to be simultaneously opened, and the second heat exchange pipeline 12 and the first nozzle 30 are controlled to be simultaneously closed; or the second heat exchange pipeline 12 and the first nozzle 30 are controlled to be opened simultaneously, and the first heat exchange pipeline 11 and the second nozzle 40 are controlled to be closed simultaneously.
According to the invention, through the combined judgment of the environmental temperature difference and the humidity difference, the refrigeration and the humidification of the air conditioner are intelligently controlled, the humidification is realized while the refrigeration is realized, the humidification can be stopped at a temperature point, and the comfort level is improved.
It should be understood that the above-described embodiments of the present invention are provided by way of example only and are not intended to limit the scope of the invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. Not all embodiments are exhaustive. All obvious changes or modifications which come within the spirit of the invention are desired to be protected.
Claims (4)
1. A humidification control method of an air conditioner, the air conditioner comprising:
an evaporator (10), wherein the evaporator (10) comprises a first heat exchange pipeline (11) and an evaporator shell (20), the evaporator shell (20) comprises a first accommodating cavity (21) and a second accommodating cavity (22) which are mutually independent, and the first heat exchange pipeline (11) is positioned in the first accommodating cavity (21); the evaporator (10) further comprises a second heat exchange pipeline (12), the second heat exchange pipeline (12) is positioned in the second accommodating cavity (22), and the first heat exchange pipeline (11) and the second heat exchange pipeline (12) are arranged in parallel;
a humidifying device comprising a first nozzle (30) and a second nozzle (40), the second nozzle (40) being disposed within the evaporator housing (20), and the second nozzle (40) being located within the second receiving chamber (22); the first nozzle (30) is arranged in the evaporator shell (20), and the first nozzle (30) is positioned in the first accommodating cavity (21);
a controller electrically connected to the humidifying device, the controller being configured to control the evaporator (10) and the humidifying device according to an ambient temperature and an ambient humidity;
the humidification control method of the air conditioner comprises the following steps:
detecting whether the air conditioner has a humidification requirement or not when the air conditioner is in refrigeration operation;
controlling the evaporator (10) and the humidifying device according to an ambient temperature and an ambient humidity in case of a humidifying demand;
in the humidification control method, judging whether the difference between the ambient temperature T1 and the air conditioner set temperature T2 is larger than an ambient preset value T1 or not; under the condition that T1-T2 is more than T1, controlling the first heat exchange pipeline (11) and the second heat exchange pipeline (12) to be simultaneously opened, and controlling the first nozzle (30) and the second nozzle (40) to be simultaneously closed;
in the humidification control method, under the condition that T1-T2 is less than or equal to T1, judging whether the difference between the ambient humidity R1 and the air conditioner design humidity R2 is smaller than a humidity preset value N1 or not; under the condition that R2-R1 is more than or equal to N1, the first heat exchange pipeline (11) and the second heat exchange pipeline (12) are controlled to be closed simultaneously, and the first nozzle (30) and the second nozzle (40) are controlled to be opened simultaneously;
in the humidification control method, under the condition that R2-R1 is less than N1, the first heat exchange pipeline (11) and the second nozzle (40) are controlled to be simultaneously opened, and the second heat exchange pipeline (12) and the first nozzle (30) are controlled to be simultaneously closed; or the second heat exchange pipeline (12) and the first nozzle (30) are controlled to be opened simultaneously, and the first heat exchange pipeline (11) and the second nozzle (40) are controlled to be closed simultaneously.
2. The humidification control method of an air conditioner according to claim 1, further comprising a first control valve (50) and a second control valve (60), the first control valve (50) being used to individually control the first heat exchange line (11) to be circulated or closed, the second control valve (60) being used to individually control the second heat exchange line (12) to be circulated or closed.
3. The humidification control method of an air conditioner according to claim 1, further comprising a third control valve (70) and a fourth control valve (80), the third control valve (70) being for controlling the first nozzle (30), the fourth control valve (80) being for controlling the second nozzle (40).
4. The humidification control method of an air conditioner of claim 1, further comprising:
the temperature sensing bag is positioned at the air return port of the indoor unit and is used for detecting indoor environment temperature;
and the humidity sensor is positioned at the return air inlet of the indoor unit and used for detecting indoor environment humidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710931580.XA CN107906632B (en) | 2017-10-09 | 2017-10-09 | Air conditioner and humidification control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710931580.XA CN107906632B (en) | 2017-10-09 | 2017-10-09 | Air conditioner and humidification control method |
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| Publication Number | Publication Date |
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| CN107906632A CN107906632A (en) | 2018-04-13 |
| CN107906632B true CN107906632B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710931580.XA Active CN107906632B (en) | 2017-10-09 | 2017-10-09 | Air conditioner and humidification control method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853972A (en) * | 2019-04-24 | 2020-10-30 | 珠海格力电器股份有限公司 | Humidifying structure, humidifying equipment, air conditioner and control method of humidifying structure |
| CN111089340B (en) * | 2020-01-09 | 2023-12-22 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
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| CN106524307A (en) * | 2016-11-30 | 2017-03-22 | 广东美的制冷设备有限公司 | Air conditioner and air conditioner humidification control method |
| CN207365208U (en) * | 2017-10-09 | 2018-05-15 | 珠海格力电器股份有限公司 | Air conditioner |
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2017
- 2017-10-09 CN CN201710931580.XA patent/CN107906632B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006017369A (en) * | 2004-06-30 | 2006-01-19 | Mitsubishi Electric Building Techno Service Co Ltd | Indoor machine of air conditioner |
| CN1796902A (en) * | 2004-12-28 | 2006-07-05 | Lg电子株式会社 | Cooling/heating air conditioner with humidifying function |
| CN203719090U (en) * | 2014-02-28 | 2014-07-16 | 广东美的制冷设备有限公司 | Air conditioner |
| CN104764094A (en) * | 2015-03-26 | 2015-07-08 | 广东美的制冷设备有限公司 | Humidification air conditioner and control method for humidification air conditioner |
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| CN207365208U (en) * | 2017-10-09 | 2018-05-15 | 珠海格力电器股份有限公司 | Air conditioner |
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