CN104214895B - Constant-temperature dehumidification control method and system for air conditioner - Google Patents
Constant-temperature dehumidification control method and system for air conditioner Download PDFInfo
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- CN104214895B CN104214895B CN201410419128.1A CN201410419128A CN104214895B CN 104214895 B CN104214895 B CN 104214895B CN 201410419128 A CN201410419128 A CN 201410419128A CN 104214895 B CN104214895 B CN 104214895B
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 23
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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Abstract
The invention provides a constant-temperature dehumidification control method and system for an air conditioner. The method comprises the following steps: detecting the outdoor environment temperature, the outdoor relative humidity and the indoor relative humidity, and calculating the running speed and the duty ratio of the outdoor fan according to the outdoor environment temperature, the outdoor relative humidity and the indoor relative humidity; when the running rotating speed of the outdoor fan is less than the safe running rotating speed and the duty ratio is greater than the preset duty ratio, controlling the outdoor fan to run according to the running rotating speed and the duty ratio; detecting the indoor environment temperature every time the outdoor fan operates for a preset time, and calculating the temperature difference between the indoor environment temperature and the preset indoor constant temperature; adjusting the running speed and duty ratio of the outdoor fan according to the temperature difference; and if the temperature of the outdoor fan reaches the reliability protection point, performing reliability protection operation, removing the reliability protection until the temperature is lower than the reliability protection point, and returning to the step of calculating the temperature difference. The operation of the outdoor fan is controlled by detecting the indoor environment temperature, so that the constant temperature dehumidification effect is achieved, and the reliability of the air conditioner is ensured by the reliability protection.
Description
Technical field
The present invention relates to air-conditioner dehumidifying field, particularly relate to a kind of constant temperature dehumidification controlling method for air conditioner and
System.
Background technology
When indoor humidity is bigger, the dehumidification function of air-conditioning can be used to carry out dehumidification treatments.But in conventional art,
Air-conditioning easily causes indoor environment temperature in dehumidification process to be reduced, it is difficult to ensure that indoor environment temperature is maintained at
In stationary temperature scope (such as ± 1 DEG C), bring discomfort to user.
Summary of the invention
The problem that indoor environment temperature can be caused when dehumidifying for conventional air conditioner to reduce, the invention provides one
During kind of dehumidifying, indoor environment temperature is constant, the constant temperature dehumidification controlling method for air conditioner of good reliability and system.
For reaching goal of the invention, the present invention provides a kind of constant temperature dehumidification controlling method for air conditioner, including following step
Rapid:
Detection outdoor environment temperature, outside relative humidity and indoor relative humidity, and according to described outdoor environment
Temperature, described outside relative humidity and described indoor relative humidity calculate running speed and the duty of outdoor fan
Ratio；
The described running speed of described outdoor fan is less than safe operation rotating speed, and described outdoor fan is described
Dutycycle, more than when presetting dutycycle, controls described outdoor fan and transports by described running speed and described dutycycle
OK, described dutycycle is to account for available machine time of described outdoor fan the ratio in start-stop cycle；
Described outdoor fan often runs Preset Time, detects indoor environment temperature, and calculates indoor environment temperature
Temperature gap with default constant indoor temperature temperature；
The described running speed of described outdoor fan and described dutycycle is adjusted according to described temperature gap；
If the temperature of described outdoor fan reaches frequency converter point, then carry out frequency converter operation, directly
When extremely described temperature is less than described frequency converter point, releases frequency converter, return described outdoor fan every
Run Preset Time, detect indoor environment temperature, and calculate indoor environment temperature and default constant indoor temperature temperature
The step of temperature gap.
As a kind of embodiment, further comprising the steps of:
If the described running speed of described outdoor fan is more than or equal to described safe operation rotating speed, control described
Outdoor fan is run by described safe operation rotating speed.
As a kind of embodiment, further comprising the steps of:
If the described dutycycle of described outdoor fan is less than or equal to described default dutycycle, control described outdoor
Blower fan does not runs.
As a kind of embodiment, if the temperature of described outdoor fan reaches frequency converter point, then
Carry out frequency converter operation, during until described temperature is less than described frequency converter point, releases reliability and protect
Protect, comprise the steps:
Detect the temperature of described outdoor fan；
When the temperature of described outdoor fan reaches described frequency converter point, control described outdoor fan and shut down
Preset guard time；
Judge that whether the temperature of described outdoor fan is less than described frequency converter point；
The most then release frequency converter, calculate running speed and the dutycycle of described outdoor fan, return
Described outdoor fan often runs the default section time, detects indoor environment temperature, and calculate indoor environment temperature with
Preset the step of the temperature gap of constant indoor temperature temperature；
If it is not, then return the described outdoor fan of described control to shut down default guard time.
As a kind of embodiment, the running speed at described outdoor fan is less than safe operation rotating speed, and institute
State the dutycycle of outdoor fan more than when presetting dutycycle, control described outdoor fan by described running speed and
Before described dutycycle is run, further comprising the steps of:
Start the constant temperature dehumidification operational mode of air-conditioner；
Detection indoor environment temperature, sets described indoor environment temperature as described according to default outdoor fan algorithm
Preset constant indoor temperature temperature.
The present invention also provides for a kind of air-conditioner constant temperature dehumidification control system, including detection computing module, controls mould
Block, computing module, adjusting module and frequency converter module, wherein:
Described detection computing module, is used for detecting outdoor environment temperature, outside relative humidity and indoor relative wet
Degree, and according to described outdoor environment temperature, described outside relative humidity and described indoor relative humidity counting chamber
The running speed of outer blower fan and dutycycle；
Described control module, for the described running speed when described outdoor fan less than safe operation rotating speed,
And the described dutycycle of described outdoor fan is more than when presetting dutycycle, controls described outdoor fan by described fortune
Row rotating speed and described dutycycle are run, and described dutycycle is the available machine time of described outdoor fan to account for the start-stop cycle
Ratio；
Described computing module, often runs Preset Time for described outdoor fan, detects indoor environment temperature,
And calculate the temperature gap of indoor environment temperature and default constant indoor temperature temperature；
Described adjusting module, for adjusting the described running speed of described outdoor fan according to described temperature gap
With described dutycycle；
Described frequency converter module, if when the temperature of described outdoor fan reaches frequency converter point,
Then carry out frequency converter operation, during until described temperature is less than described frequency converter point, release reliability
Protection, returns described computing module.
As a kind of embodiment, also include safe operation rotating speed module, if for the institute of described outdoor fan
When stating running speed more than or equal to described safe operation rotating speed, control described outdoor fan by described safe operation
Rotating speed runs.
As a kind of embodiment, also include not running module, if for the described duty of described outdoor fan
Than during less than or equal to described default dutycycle, control described outdoor fan and do not run.
As a kind of embodiment, described frequency converter module includes detector unit, stoppage protection unit and
Judging unit, wherein；
Described detector unit, for detecting the temperature of described outdoor fan；
Described stoppage protection unit, is used for when the temperature of described outdoor fan reaches described frequency converter point,
Control described outdoor fan and shut down default guard time；
Described judging unit, it is judged that whether the temperature of described outdoor fan is less than described frequency converter point；If
It is then to release frequency converter, calculates running speed and the dutycycle of described outdoor fan, return described meter
Calculate module；If it is not, then return described stoppage protection unit.
As a kind of embodiment, also include starting module and detection setting module, wherein:
Described startup module, for starting the constant temperature dehumidification operational mode of air-conditioner；
Described detection setting module, is used for detecting indoor environment temperature, sets according to default outdoor fan algorithm
Described indoor environment temperature is described default constant indoor temperature temperature.
The beneficial effect comprise that
The constant temperature dehumidification controlling method for air conditioner of the present invention and system, first detect outdoor environment temperature, indoor
Relative humidity and outside relative humidity, and the operation calculated when outdoor fan just starts according to these parameters turns
Speed and dutycycle, it is judged that whether the running speed of outdoor fan and dutycycle meet condition, i.e. need outdoor wind
Machine regulation indoor environment temperature, outdoor fan is run by above-mentioned running speed and dutycycle, runs Preset Time,
Detection indoor environment temperature, calculates the temperature gap of indoor environment temperature and default constant indoor temperature temperature, and root
Adjust running speed and the dutycycle of outdoor fan according to this temperature gap, make outdoor fan by the operation after adjusting
Rotating speed and dutycycle are run, and after often running Preset Time, detect indoor environment temperature, calculate temperature gap,
Adjust running speed and the dutycycle of outdoor fan, thus reach the effect of constant temperature dehumidification, make indoor environment temperature
The fluctuation of degree, at ± 1 DEG C, provides the user a comfortable indoor environment, and the temperature of outdoor fan reaches reliable
Property protection point time, outdoor fan carries out frequency converter operation, it is ensured that components and parts will not be because temperature be too high
Damaged, affect the reliability of outdoor fan, improve the reliability of air-conditioner.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of an embodiment of the constant temperature dehumidification controlling method for air conditioner of the present invention；
Fig. 2 is the schematic flow sheet of another embodiment of the constant temperature dehumidification controlling method for air conditioner of the present invention；
Fig. 3 is the structural representation of an embodiment of the air-conditioner constant temperature dehumidification control system of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example constant temperature dehumidification controlling method for air conditioner of the present invention and system are further elaborated.Should be appreciated that
Specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Shown in Figure 1, the embodiment of the present invention provides a kind of constant temperature dehumidification controlling method for air conditioner, including with
Lower step:
S100, detection outdoor environment temperature, outside relative humidity and indoor relative humidity, and according to outdoor ring
Border temperature, outside relative humidity and indoor relative humidity calculate running speed and the dutycycle of outdoor fan；
S200, the running speed of outdoor fan is less than safe operation rotating speed, and the dutycycle of outdoor fan is more than
When presetting dutycycle, controlling outdoor fan and press running speed and dutycycle operation, dutycycle is outdoor fan
Available machine time accounts for the ratio in start-stop cycle.
S300, outdoor fan often runs Preset Time, detects indoor environment temperature, and calculates indoor environment temperature
Degree and the temperature gap of default constant indoor temperature temperature.
S400, adjusts running speed and the dutycycle of outdoor fan according to temperature gap.
S500, if the temperature of outdoor fan reaches frequency converter point, then carries out frequency converter operation,
During until temperature is less than frequency converter point, release frequency converter, return step S300.
The constant temperature dehumidification controlling method for air conditioner of the present invention, first detects outdoor environment temperature, and outdoor is the wettest
Degree and indoor relative humidity, and calculate running speed when outdoor fan just starts and duty according to these parameters
Ratio, when running speed, in safe operation rotating speed and dutycycle is more than when presetting dutycycle, i.e. needs to run room
Time in the range of outer blower fan makes indoor environment temperature be maintained at stationary temperature (such as ± 1 DEG C), according to above-mentioned operation
Rotating speed and dutycycle are run, and (Preset Time is in the range of relatively short period of time, it is ensured that in real time to run Preset Time
Adjust the running speed of outdoor fan and dutycycle) after, the temperature temperature-sensitive bag detection being arranged in air-conditioner
Indoor environment temperature, and calculate the temperature gap of indoor environment temperature and default constant indoor temperature temperature, according to temperature
Degree difference adjusts running speed and the dutycycle of outdoor fan, and outdoor fan is by the running speed after adjusting and accounts for
Empty ratio runs, and the most often runs Preset Time, again detects indoor environment temperature now, counting chamber internal ring
Border temperature and the temperature gap of default constant indoor temperature temperature, again adjust running speed and account for according to temperature gap
Empty ratio, the most repeatedly, makes air-conditioner keep indoor environment temperature in stationary temperature scope while dehumidifying
Interior (temperature fluctuation is at ± 1 DEG C), provides the user a comfortable indoor environment.As when temperature gap Δ T > 1 DEG C
Time, it is set to cool-down dehumidification district, when-1 DEG C≤Δ T≤1 DEG C, is set to constant temperature dehumidification district, when Δ T <-1 DEG C,
It is set to dehumidifying district of heating up；Outdoor fan in cool-down dehumidification region, constant temperature dehumidification region and intensification dehumidification zone
The size of running speed successively decrease successively, the size of the dutycycle of outdoor fan is successively decreased successively, its running speed
Can set as the case may be with the order of magnitude of dutycycle.Protect when the temperature of outdoor fan reaches reliability
When protecting, carry out frequency converter operation, during until temperature is less than frequency converter point, releases reliability and protect
Protecting, return step S300, this step ensures outdoor fan reliability of operation.The method passes through indoor environment
The detection of temperature controls running speed and the dutycycle of outdoor fan, reaches the constant temperature dehumidification effect of air-conditioner,
(such as ± 1 DEG C) in the range of making indoor environment temperature be maintained at stationary temperature, provide the user one comfortable
Indoor environment, and while realizing constant temperature dehumidification, it is ensured that the reliability service of outdoor fan, improves air-conditioner
Reliability.It should be noted that outdoor environment temperature is detected by the temperature temperature-sensitive bag arranged in air-conditioner,
Indoor relative humidity and outside relative humidity are detected by the humidity inductive bag arranged in air-conditioner, and with these
Based on parameter, calculate running speed and the dutycycle of outdoor fan when air-conditioner just starts, with outdoor wind
Based on running speed that machine is current and dutycycle, implement subsequent step.Wherein: dutycycle is outdoor fan
Available machine time account for the ratio in start-stop cycle；The start-stop cycle is set in advance, in air-conditioner constant temperature dehumidification mistake
Cheng Zhong, the start-stop cycle is equal to available machine time of one of outdoor fan circulation and sum downtime.
As a kind of embodiment, also include step S200 ', if the running speed of outdoor fan is more than or equal to
During safe operation rotating speed, control outdoor fan and run by safe operation rotating speed.
As a kind of embodiment, also include step S200 ", if the dutycycle of outdoor fan is less than or equal to
When presetting dutycycle, control outdoor fan and do not run.
If the running speed of outdoor fan is more than or equal to safe operation rotating speed, run by safe operation rotating speed,
Safe operation rotating speed is the maximum running speed that outdoor fan can bear.If the dutycycle of outdoor fan is less than
Equal to when presetting dutycycle, outdoor fan does not runs, during less than default dutycycle, and indoor environment temperature now
Spending relatively low, indoor environment temperature needs certain intensification, it is not necessary to outdoor fan runs, and reduces energy consumption.
As a kind of embodiment, shown in Figure 2, step S500 comprises the steps:
S510, the temperature of detection outdoor fan.
S520, when the temperature judging outdoor fan reaches frequency converter point, controls outdoor fan and shuts down pre-
If guard time.
S530, it is judged that whether the temperature of outdoor fan is less than frequency converter point；The most then release reliability
Protection, calculates running speed and the dutycycle of outdoor fan, returns step S300；If it is not, then return step
S520。
Above-mentioned steps be step S500 be embodied as step, during air-conditioner carries out constant temperature dehumidification,
The temperature of outdoor fan is detected, when the temperature of outdoor fan by being disposed in the outdoor the temperature temperature-sensitive bag of blower fan side
When reaching frequency converter point (temperature of outdoor fan is more than or equal to frequency converter point), if outdoor fan
According further to the mode operation of constant temperature dehumidification, it is possible that components and parts temperature is too high and damaged, impact outdoor
Blower fan and the reliability of air-conditioner, arrange the priority priority higher than constant temperature dehumidification of frequency converter,
When the temperature of outdoor fan reaches frequency converter point, outdoor fan carries out frequency converter operation, i.e. outdoor wind
Default guard time shut down by machine, and (such as 5s, default guard time is the shortest, it is to avoid outdoor fan long shadow downtime
Ring the constant of indoor environment temperature), often to shut down and preset guard time, the temperature being judged as outdoor fan is the lowest
In frequency converter point, if so, release frequency converter, according to now indoor environment temperature and default indoor
The temperature gap of thermostat temperature calculates running speed and the dutycycle of outdoor fan, controls outdoor fan by this fortune
Row rotating speed and dutycycle are run, and return step S300, if it is not, return step S520, outdoor fan continues to stop
Machine is protected.The method can guarantee that the reliability service of outdoor fan, and then improves the reliability of air-conditioner.Make sky
Adjust device while constant temperature dehumidification, run reliably.
As a kind of embodiment, before step S100, further comprising the steps of:
S010, starts the constant temperature dehumidification operational mode of air-conditioner.
S020, detects indoor environment temperature, sets indoor environment temperature as pre-according to default outdoor fan algorithm
If constant indoor temperature temperature.
Starting constant temperature dehumidification operational mode, air-conditioner proceeds by dehumidifying, will according to default outdoor fan algorithm
The current indoor environment temperature of detection is set to preset constant indoor temperature temperature, makes indoor environment temperature remain
For this default constant indoor temperature temperature, indoor environment temperature does not changes much to make user feel, improves user's body
Test comfortableness, reach the effect of constant temperature dehumidification.Wherein: indoor environment temperature is by the temperature arranged in air-conditioner
Degree temperature-sensitive bag detection.
Based on same inventive concept, present invention also offers a kind of air-conditioner constant temperature dehumidification control system, due to
The principle that this system solves problem is similar to aforementioned a kind of constant temperature dehumidification controlling method for air conditioner, therefore this system
Enforcement may refer to the enforcement of preceding method, repeat no more in place of repetition.
The air-conditioner constant temperature dehumidification control system that the embodiment of the present invention provides, shown in Figure 3, including detection
Computing module 100, control module 200, computing module 300, adjusting module 400 and frequency converter module
500.Wherein: detection computing module 100, it is used for detecting outdoor environment temperature, outside relative humidity and indoor
Relative humidity, and calculate outdoor fan according to outdoor environment temperature, outside relative humidity and indoor relative humidity
Running speed and dutycycle.Control module 200, the running speed for outdoor fan turns less than safe operation
Speed, and the dutycycle of outdoor fan is more than when presetting dutycycle, controls outdoor fan and presses running speed and duty
Than running, dutycycle is to account for available machine time of outdoor fan the ratio in start-stop cycle.Computing module 300, is used for
Outdoor fan often runs Preset Time, detects indoor environment temperature, and calculates indoor environment temperature and default room
The temperature gap of interior thermostat temperature.Adjusting module 400, for adjusting the operation of outdoor fan according to temperature gap
Rotating speed and dutycycle.Frequency converter module 500, if the temperature for outdoor fan reaches frequency converter point
Time, then carry out frequency converter operation, during until temperature is less than frequency converter point, release frequency converter,
Return computing module 300.
The air-conditioner constant temperature dehumidification control system of the present invention, first detects outdoor environment temperature, and outdoor is the wettest
Degree and indoor relative humidity, and calculate running speed when outdoor fan just starts and duty according to these parameters
Ratio, when the running speed of outdoor fan, in safe operation rotating speed and the dutycycle of outdoor fan accounts for more than presetting
Empty than time, outdoor fan is run by above-mentioned running speed and dutycycle, after running Preset Time, in sensing chamber
Ambient temperature, calculates the temperature gap of indoor environment temperature and default constant indoor temperature temperature, and according to this temperature
Difference adjusts running speed and the dutycycle of outdoor fan, and outdoor fan is by the running speed after adjusting and duty
Than running, after the Preset Time that reruns, detection indoor environment temperature and the temperature difference of default constant indoor temperature temperature
Value, again adjusts running speed and the dutycycle of outdoor fan, the most repeatedly, air-conditioner can be made in dehumidifying
In the range of indoor environment temperature is maintained at stationary temperature simultaneously, provide the user a comfortable indoor environment,
When the temperature of outdoor fan reaches frequency converter point, outdoor fan carries out frequency converter operation, it is ensured that
The reliability of outdoor fan, improves the reliability of air-conditioner.
As a kind of embodiment, also include safe operation rotating speed module 200 ', if for the fortune of outdoor fan
When row rotating speed is more than or equal to safe operation rotating speed, controls outdoor fan and run by safe operation rotating speed.
As a kind of embodiment, also include not running module 200 ", if for the dutycycle of outdoor fan
Less than or equal to when presetting dutycycle, control outdoor fan and do not run.
As a kind of embodiment, frequency converter module 500 includes detector unit 510, stoppage protection list
Unit 520 and judging unit 530.Wherein；Detector unit 510, for detecting the temperature of outdoor fan.Shut down
Protected location 520, for when the temperature of outdoor fan reaches frequency converter point, controls outdoor fan and shuts down
Preset guard time.Judging unit 530, it is judged that whether the temperature of outdoor fan is less than frequency converter point；If
It is then to release frequency converter, calculates running speed and the dutycycle of outdoor fan, return computing module 300；
If it is not, then return stoppage protection unit 520.
As a kind of embodiment, also include starting module 010 and detection setting module 020.Wherein: open
Dynamic model block, for starting the constant temperature dehumidification operational mode of air-conditioner.Detection setting module 020, for sensing chamber
Interior ambient temperature, and set indoor environment temperature as presetting constant indoor temperature temperature according to default outdoor fan algorithm.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (10)
1. a constant temperature dehumidification controlling method for air conditioner, it is characterised in that comprise the following steps:
Detection outdoor environment temperature, outside relative humidity and indoor relative humidity, and running speed and the dutycycle of outdoor fan is calculated according to described outdoor environment temperature, described outside relative humidity and described indoor relative humidity；
The described running speed of described outdoor fan is less than safe operation rotating speed, and the described dutycycle of described outdoor fan is more than when presetting dutycycle, controlling described outdoor fan to run by described running speed and described dutycycle, described dutycycle is to account for available machine time of described outdoor fan the ratio in start-stop cycle；
Described outdoor fan often runs Preset Time, detects indoor environment temperature, and calculates the temperature gap of indoor environment temperature and default constant indoor temperature temperature；
The described running speed of described outdoor fan and described dutycycle is adjusted according to described temperature gap；
If the temperature of described outdoor fan reaches frequency converter point; then carry out frequency converter operation; during until described temperature is less than described frequency converter point; release frequency converter; return described outdoor fan and often run Preset Time; detection indoor environment temperature, and calculate the step of indoor environment temperature and the temperature gap of default constant indoor temperature temperature.
Constant temperature dehumidification controlling method for air conditioner the most according to claim 1, it is characterised in that further comprising the steps of:
If the described running speed of described outdoor fan is more than or equal to described safe operation rotating speed, controls described outdoor fan and run by described safe operation rotating speed.
Constant temperature dehumidification controlling method for air conditioner the most according to claim 1, it is characterised in that further comprising the steps of:
If the described dutycycle of described outdoor fan is less than or equal to described default dutycycle, controls described outdoor fan and do not run.
4. according to the constant temperature dehumidification controlling method for air conditioner described in any one of claims 1 to 3; it is characterized in that; if the temperature of described outdoor fan reaches frequency converter point; then carry out frequency converter operation; during until described temperature is less than described frequency converter point; release frequency converter, comprise the steps:
Detect the temperature of described outdoor fan；
When the temperature of described outdoor fan reaches described frequency converter point, control described outdoor fan and shut down default guard time；
Judge that whether the temperature of described outdoor fan is less than described frequency converter point；
The most then release frequency converter, calculate running speed and the dutycycle of described outdoor fan, return described outdoor fan and often run the default section time, detect indoor environment temperature, and calculate the step of indoor environment temperature and the temperature gap of default constant indoor temperature temperature；
If it is not, then return the described outdoor fan of described control to shut down default guard time.
Constant temperature dehumidification controlling method for air conditioner the most according to claim 4, it is characterized in that, running speed at described outdoor fan is less than safe operation rotating speed, and the dutycycle of described outdoor fan is more than when presetting dutycycle, control before described outdoor fan runs by described running speed and described dutycycle, further comprising the steps of:
Start the constant temperature dehumidification operational mode of air-conditioner；
Detection indoor environment temperature, and currently detected described indoor environment temperature is set to described default constant indoor temperature temperature.
6. an air-conditioner constant temperature dehumidification control system, including detecting computing module, control module, computing module, adjusting module and frequency converter module, wherein:
Described detection computing module, is used for detecting outdoor environment temperature, outside relative humidity and indoor relative humidity, and calculates running speed and the dutycycle of outdoor fan according to described outdoor environment temperature, described outside relative humidity and described indoor relative humidity；
Described control module, for the described running speed when described outdoor fan less than safe operation rotating speed, and the described dutycycle of described outdoor fan is more than when presetting dutycycle, controlling described outdoor fan to run by described running speed and described dutycycle, described dutycycle is to account for available machine time of described outdoor fan the ratio in start-stop cycle；
Described computing module, often runs Preset Time for described outdoor fan, detects indoor environment temperature, and calculates the temperature gap of indoor environment temperature and default constant indoor temperature temperature；
Described adjusting module, for adjusting the described running speed of described outdoor fan and described dutycycle according to described temperature gap；
Described frequency converter module, if when the temperature of described outdoor fan reaches frequency converter point, then carrying out frequency converter operation, during until described temperature is less than described frequency converter point, releasing frequency converter, returning described computing module.
Air-conditioner constant temperature dehumidification control system the most according to claim 6, it is characterized in that, also include safe operation rotating speed module, if when the described running speed of described outdoor fan is more than or equal to described safe operation rotating speed, controlling described outdoor fan and run by described safe operation rotating speed.
Air-conditioner constant temperature dehumidification control system the most according to claim 6, it is characterised in that also include not running module, if when the described dutycycle of described outdoor fan is less than or equal to described default dutycycle, controlling described outdoor fan and do not run.
9. according to the air-conditioner constant temperature dehumidification control system described in any one of claim 6 to 8, it is characterised in that described frequency converter module includes detector unit, stoppage protection unit and judging unit, wherein；
Described detector unit, for detecting the temperature of described outdoor fan；
Described stoppage protection unit, for when the temperature of described outdoor fan reaches described frequency converter point, controls described outdoor fan and shuts down default guard time；
Described judging unit, it is judged that whether the temperature of described outdoor fan is less than described frequency converter point；The most then release frequency converter, calculate running speed and the dutycycle of described outdoor fan, return described computing module；If it is not, then return described stoppage protection unit.
Air-conditioner constant temperature dehumidification control system the most according to claim 9, it is characterised in that also include starting module and detection setting module, wherein:
Described startup module, for starting the constant temperature dehumidification operational mode of air-conditioner；
Described detection setting module, is used for detecting indoor environment temperature, and currently detected described indoor environment temperature is set to described default constant indoor temperature temperature.
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| CN201410419128.1A CN104214895B (en) | 2014-08-22 | 2014-08-22 | Constant-temperature dehumidification control method and system for air conditioner |
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| CN201410419128.1A CN104214895B (en) | 2014-08-22 | 2014-08-22 | Constant-temperature dehumidification control method and system for air conditioner |
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| CN107036246B (en) * | 2017-04-26 | 2019-10-01 | 广东美的暖通设备有限公司 | Air conditioner and its constant temperature dehumidification control method, device |
| CN107388491B (en) * | 2017-07-14 | 2019-11-19 | Tcl空调器(中山)有限公司 | Method for controlling frequency conversion, air conditioner and the computer readable storage medium of air conditioner |
| CN108119996B (en) * | 2017-12-15 | 2020-04-03 | 广东美的制冷设备有限公司 | Air conditioner fan control method, electronic device and computer readable storage medium |
| CN108119986B (en) * | 2017-12-15 | 2020-04-21 | 广东美的制冷设备有限公司 | Air conditioner control method, electronic device, and computer-readable storage medium |
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