CN104214895A - Method and system for controlling constant-temperature dehumidification of air conditioner - Google Patents
Method and system for controlling constant-temperature dehumidification of air conditioner Download PDFInfo
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- CN104214895A CN104214895A CN201410419128.1A CN201410419128A CN104214895A CN 104214895 A CN104214895 A CN 104214895A CN 201410419128 A CN201410419128 A CN 201410419128A CN 104214895 A CN104214895 A CN 104214895A
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Abstract
The invention provides a method and a system for controlling constant-temperature dehumidification of 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 operating speed and duty ratio of an outdoor fan according to the outdoor environment temperature, the outdoor relative humidity and the indoor relative humidity; when the operating speed of the outdoor fan is less than the rotation speed of safe operation and the duty ratio is greater than the preset duty ratio, controlling the outdoor fan to operate according to the operating speed and the duty ratio; when the outdoor fan operates for preset time, detecting the indoor environment temperature and calculating the indoor temperature difference between the environment temperature and the preset indoor constant temperature; regulating the operating speed and duty ratio of the outdoor fan according to the temperature difference; if the temperature of the outdoor fan achieves a reliability protection point, performing reliability protection operation until the temperature is lower than the reliability protection point, releasing reliability protection and returning to a temperature different calculation step. According to the method, by virtue of detecting the indoor environment temperature, the operation of the outdoor fan is controlled so as to achieve a constant-temperature dehumidification effect, and the reliability protection ensures the reliability of the air conditioner.
Description
Technical field
The present invention relates to air-conditioner dehumidify field, particularly relate to a kind of constant temperature dehumidification controlling method for air conditioner and system.
Background technology
When indoor humidity is larger, the dehumidification function of using air-condition dehumidification treatments can be carried out.But in conventional art, air-conditioning easily causes indoor environment temperature to reduce in dehumidification process, be difficult to ensure that indoor environment temperature remains in stationary temperature scope (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 constant temperature dehumidification controlling method for air conditioner of constant, the good reliability of indoor environment temperature and system when the invention provides a kind of dehumidifying.
For reaching goal of the invention, the invention provides a kind of constant temperature dehumidification controlling method for air conditioner, comprising the following steps:
Detect 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 dutycycle of outdoor fan;
The described running speed of described outdoor fan is less than safe operation rotating speed, and the described dutycycle of described outdoor fan is when being greater than default dutycycle, control described outdoor fan to run by described running speed and described dutycycle, described dutycycle is the ratio accounting for available machine time of described outdoor fan the 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 when the temperature of described outdoor fan reaches frequency converter point; then carry out frequency converter operation; until when described temperature is lower than described frequency converter point; remove frequency converter; return described outdoor fan and often run Preset Time; detect indoor environment temperature, and calculate the step of the temperature gap of indoor environment temperature and default constant indoor temperature temperature.
As a kind of embodiment, further comprising the steps of:
If when 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.
As a kind of embodiment, further comprising the steps of:
If when the described dutycycle of described outdoor fan is less than or equal to described default dutycycle, controls described outdoor fan and do not run.
As a kind of embodiment, if when the temperature of described outdoor fan reaches frequency converter point, then carry out frequency converter operation, until when described temperature is lower than described frequency converter point, removes 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 lower than described frequency converter point;
If, then remove 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 the temperature gap of indoor environment temperature and default constant indoor temperature temperature;
If not, then return the described outdoor fan of described control and shut down default guard time.
As a kind of embodiment, safe operation rotating speed is less than at the running speed of described outdoor fan, and the dutycycle of described outdoor fan is when being greater than default 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;
Detect indoor environment temperature, setting described indoor environment temperature according to default outdoor fan algorithm is described default constant indoor temperature temperature.
The present invention also provides a kind of air-conditioner constant temperature dehumidification control system, comprises detection computations module, control module, computing module, adjusting module and frequency converter module, wherein:
Described detection computations module, for detecting 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 dutycycle of outdoor fan;
Described control module, safe operation rotating speed is less than for the described running speed when described outdoor fan, and the described dutycycle of described outdoor fan is when being greater than default dutycycle, control described outdoor fan to run by described running speed and described dutycycle, described dutycycle is the ratio accounting for available machine time of described outdoor fan the 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 reaching frequency converter point for the temperature of described outdoor fan, then carry out frequency converter operation, until when described temperature is lower than described frequency converter point, removes frequency converter, returns described computing module.
As a kind of embodiment, also comprise safe operation rotating speed module, if when being more than or equal to described safe operation rotating speed for the described running speed of described outdoor fan, controlling described outdoor fan and run by described safe operation rotating speed.
As a kind of embodiment, also comprise and do not run module, if when being less than or equal to described default dutycycle for the described dutycycle of described outdoor fan, controlling described outdoor fan and do not run.
As a kind of embodiment, described frequency converter module comprises detecting unit, stoppage protection unit and judging unit, wherein;
Described detecting unit, for detecting the temperature of described outdoor fan;
Described stoppage protection unit, during for reaching described frequency converter point when the temperature of described outdoor fan, controls described outdoor fan and shuts down default guard time;
Described judging unit, judges that whether the temperature of described outdoor fan is lower than described frequency converter point; If so, then remove frequency converter, calculate running speed and the dutycycle of described outdoor fan, return described computing module; If not, then described stoppage protection unit is returned.
As a kind of embodiment, also comprise and start module and detect setting module, wherein:
Described startup module, for starting the constant temperature dehumidification operational mode of air-conditioner;
Described detection setting module, for detecting indoor environment temperature, setting described indoor environment temperature according to default outdoor fan algorithm is described default constant indoor temperature temperature.
Beneficial effect of the present invention comprises:
Constant temperature dehumidification controlling method for air conditioner of the present invention and system, first outdoor environment temperature is detected, indoor relative humidity and outside relative humidity, and calculate running speed when outdoor fan just starts and dutycycle according to these parameters, judge whether running speed and the dutycycle of outdoor fan satisfy condition, namely outdoor fan adjusting indoor environment temperature is needed, outdoor fan runs by above-mentioned running speed and dutycycle, run Preset Time, detect indoor environment temperature, calculate the temperature gap of indoor environment temperature and default constant indoor temperature temperature, and running speed and the dutycycle of outdoor fan is adjusted according to this temperature gap, outdoor fan is run by the running speed after adjustment and dutycycle, after often running Preset Time, detect indoor environment temperature, accounting temperature difference, the running speed of adjustment outdoor fan and dutycycle, thus reach the effect of constant temperature dehumidification, make the fluctuation of indoor environment temperature at ± 1 DEG C, for user provides a comfortable indoor environment, when the temperature of outdoor fan reaches frequency converter point, outdoor fan carries out frequency converter operation, ensure that components and parts can not be too high and damaged because of temperature, 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 constant temperature dehumidification controlling method for air conditioner of the present invention;
Fig. 2 is the schematic flow sheet of another embodiment of constant temperature dehumidification controlling method for air conditioner of the present invention;
Fig. 3 is the structural representation of an embodiment of air-conditioner constant temperature dehumidification control system of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, 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, be 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, comprises the following steps:
S100, detects outdoor environment temperature, outside relative humidity and indoor relative humidity, and according to outdoor environment 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 when the dutycycle of outdoor fan is greater than default dutycycle, controls outdoor fan and press running speed and dutycycle operation, and dutycycle is the ratio accounting for available machine time of outdoor fan the start-stop cycle.
S300, 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.
S400, according to running speed and the dutycycle of temperature gap adjustment outdoor fan.
S500, if when the temperature of outdoor fan reaches frequency converter point, then carry out frequency converter operation, until when temperature is lower than frequency converter point, removes frequency converter, returns step S300.
Constant temperature dehumidification controlling method for air conditioner of the present invention, first outdoor environment temperature is detected, outside relative humidity and indoor relative humidity, and according to these parameters calculate outdoor fan just start time running speed and dutycycle, when running speed in safe operation rotating speed and dutycycle is greater than default dutycycle time, when namely needing operation outdoor fan to make indoor environment temperature remain on (as ± 1 DEG C) within the scope of stationary temperature, run according to above-mentioned running speed and dutycycle, (Preset Time is in shorter time range to run Preset Time, ensure running speed and the dutycycle of real-time adjustment outdoor fan) after, the temperature temperature-sensitive bag be arranged in air-conditioner detects indoor environment temperature, and calculate the temperature gap of indoor environment temperature and default constant indoor temperature temperature, according to running speed and the dutycycle of temperature gap adjustment outdoor fan, outdoor fan runs by the running speed after adjustment and dutycycle, often run Preset Time later, again indoor environment temperature is now detected, calculate the temperature gap of indoor environment temperature and default constant indoor temperature temperature, according to temperature gap adjust operation rotating speed and dutycycle again, so repeatedly, air-conditioner is made to keep indoor environment temperature (temperature fluctuation is at ± 1 DEG C) within the scope of stationary temperature while dehumidifying, for user provides a comfortable indoor environment.As temperature gap Δ T>1 DEG C, be set to cool-down dehumidification district, when-1 DEG C≤Δ T≤1 DEG C, be set to constant temperature dehumidification district, as Δ T<-1 DEG C, be set to dehumidifying district of heating up; In cool-down dehumidification region, constant temperature dehumidification region and intensification dehumidification zone, the size of the running speed of outdoor fan is successively decreased successively, and the size of the dutycycle of outdoor fan is successively decreased successively, and the order of magnitude of its running speed and dutycycle can set as the case may be.When the temperature of outdoor fan reaches frequency converter point, carry out frequency converter operation, until when temperature is lower than frequency converter point, removes frequency converter, return step S300, this step ensures outdoor fan reliability of operation.The method passes through running speed and the dutycycle of the detection control outdoor fan of indoor environment temperature, reach the constant temperature dehumidification effect of air-conditioner, indoor environment temperature is made to remain on (as ± 1 DEG C) within the scope of stationary temperature, for user provides a comfortable indoor environment, and while realizing constant temperature dehumidification, ensure the reliability service of outdoor fan, improve the reliability of air-conditioner.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 based on these parameters, calculate running speed and the dutycycle of outdoor fan when air-conditioner just starts, based on the running speed current by outdoor fan and dutycycle, implement subsequent step.Wherein: dutycycle is the ratio accounting for available machine time of outdoor fan the start-stop cycle; The start-stop cycle presets, in air-conditioner constant temperature dehumidification process, the start-stop cycle equal one of outdoor fan circulation available machine time and downtime sum.
As a kind of embodiment, also comprise step S200 ', if when the running speed of outdoor fan 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 comprise step S200 ", if when the dutycycle of outdoor fan is less than or equal to default dutycycle, controls outdoor fan and do not run.
If when 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 when the dutycycle of outdoor fan is less than or equal to default dutycycle, outdoor fan does not run, and when being less than default dutycycle, indoor environment temperature is now lower, and indoor environment temperature needs certain intensification, does not need outdoor fan to run, and reduces energy consumption.
As a kind of embodiment, shown in Figure 2, step S500 comprises the steps:
S510, detects the temperature of outdoor fan.
S520, when judging that the temperature of outdoor fan reaches frequency converter point, controlling outdoor fan and shutting down default guard time.
S530, judges that whether the temperature of outdoor fan is lower than frequency converter point; If so, then remove frequency converter, calculate running speed and the dutycycle of outdoor fan, return step S300; If not, then step S520 is returned.
Above-mentioned steps is the concrete implementation step of step S500, carry out in the process of constant temperature dehumidification at air-conditioner, the temperature of outdoor fan is detected by the temperature temperature-sensitive bag of blower fan side disposed in the outdoor, when the temperature of outdoor fan reaches frequency converter point (temperature of outdoor fan is more than or equal to frequency converter point), if outdoor fan is also according to the mode operation of constant temperature dehumidification, may occur that components and parts temperature is too high and damaged, affect the reliability of outdoor fan and air-conditioner, the priority of priority higher than constant temperature dehumidification of frequency converter is set, when the temperature of outdoor fan reaches frequency converter point, outdoor fan carries out frequency converter operation, namely outdoor fan is shut down and is preset guard time (as 5s, default guard time is very short, outdoor fan length downtime is avoided to affect the constant of indoor environment temperature), often shut down and preset guard time, just judge that whether the temperature of outdoor fan is lower than frequency converter point, if, remove frequency converter, running speed and the dutycycle of outdoor fan is calculated according to the temperature gap of now indoor environment temperature and default constant indoor temperature temperature, control outdoor fan to run by this running speed and dutycycle, return step S300, if not, return step S520, outdoor fan continues stoppage protection.The method can ensure the reliability service of outdoor fan, and then improves the reliability of air-conditioner.Make air-conditioner 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 presetting constant indoor temperature temperature according to default outdoor fan algorithm.
Start constant temperature dehumidification operational mode, air-conditioner starts to dehumidify, according to default outdoor fan algorithm, the current indoor environment temperature detected is set to default constant indoor temperature temperature, indoor environment temperature is made to remain this default constant indoor temperature temperature, user is made to feel indoor environment temperature not too large change, improve Consumer's Experience comfortableness, reach the effect of constant temperature dehumidification.Wherein: indoor environment temperature is detected by the temperature temperature-sensitive bag arranged in air-conditioner.
Based on same inventive concept, present invention also offers a kind of air-conditioner constant temperature dehumidification control system, the principle of dealing with problems due to this system is similar to aforementioned a kind of constant temperature dehumidification controlling method for air conditioner, and therefore the enforcement of this system see the enforcement of preceding method, can repeat part and repeat no more.
The air-conditioner constant temperature dehumidification control system that the embodiment of the present invention provides, shown in Figure 3, comprise detection computations module 100, control module 200, computing module 300, adjusting module 400 and frequency converter module 500.Wherein: detection computations module 100, for detecting outdoor environment temperature, outside relative humidity and indoor relative humidity, and according to outdoor environment temperature, outside relative humidity and indoor relative humidity calculate running speed and the dutycycle of outdoor fan.Control module 200, running speed for outdoor fan is less than safe operation rotating speed, and the dutycycle of outdoor fan is when being greater than default dutycycle, controls outdoor fan and press running speed and dutycycle operation, dutycycle is the ratio accounting for available machine time of outdoor fan the start-stop cycle.Computing module 300, often runs Preset Time for outdoor fan, detects indoor environment temperature, and calculates the temperature gap of indoor environment temperature and default constant indoor temperature temperature.Adjusting module 400, for adjusting running speed and the dutycycle of outdoor fan according to temperature gap.Frequency converter module 500, if when reaching frequency converter point for the temperature of outdoor fan, then carry out frequency converter operation, until when temperature is lower than frequency converter point, removes frequency converter, returns computing module 300.
Air-conditioner constant temperature dehumidification control system of the present invention, first outdoor environment temperature is detected, outside relative humidity and indoor relative humidity, and according to these parameters calculate outdoor fan just start time running speed and dutycycle, when the running speed of outdoor fan in safe operation rotating speed and the dutycycle of outdoor fan is greater than default dutycycle time, outdoor fan runs by above-mentioned running speed and dutycycle, after running Preset Time, detect indoor environment temperature, calculate the temperature gap of indoor environment temperature and default constant indoor temperature temperature, and running speed and the dutycycle of outdoor fan is adjusted according to this temperature gap, outdoor fan runs by the running speed after adjustment and dutycycle, rerun after Preset Time, detect the temperature gap of indoor environment temperature and default constant indoor temperature temperature, again adjust running speed and the dutycycle of outdoor fan, so repeatedly, air-conditioner indoor environment temperature while dehumidifying can be made to remain within the scope of stationary temperature, for user provides a comfortable indoor environment, when the temperature of outdoor fan reaches frequency converter point, outdoor fan carries out frequency converter operation, ensure the reliability of outdoor fan, improve the reliability of air-conditioner.
As a kind of embodiment, also comprise safe operation rotating speed module 200 ', if when being more than or equal to safe operation rotating speed for the running speed of outdoor fan, controlling outdoor fan and run by safe operation rotating speed.
As a kind of embodiment, also comprise and do not run module 200 ", if when being less than or equal to default dutycycle for the dutycycle of outdoor fan, controlling outdoor fan and do not run.
As a kind of embodiment, frequency converter module 500 comprises detecting unit 510, stoppage protection unit 520 and judging unit 530.Wherein, Detecting unit 510, for detecting the temperature of outdoor fan.Stoppage protection unit 520, during for reaching frequency converter point when the temperature of outdoor fan, controls outdoor fan and shuts down default guard time.Judging unit 530, judges that whether the temperature of outdoor fan is lower than frequency converter point; If so, then remove frequency converter, calculate running speed and the dutycycle of outdoor fan, return computing module 300; If not, then stoppage protection unit 520 is returned.
As a kind of embodiment, also comprise and start module 010 and detect setting module 020.Wherein: start module, for starting the constant temperature dehumidification operational mode of air-conditioner.Detecting setting module 020, for detecting indoor environment temperature, and setting indoor environment temperature as presetting constant indoor temperature temperature according to default outdoor fan algorithm.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively 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 the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a constant temperature dehumidification controlling method for air conditioner, is characterized in that, comprises the following steps:
Detect 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 dutycycle of outdoor fan;
The described running speed of described outdoor fan is less than safe operation rotating speed, and the described dutycycle of described outdoor fan is when being greater than default dutycycle, control described outdoor fan to run by described running speed and described dutycycle, described dutycycle is the ratio accounting for available machine time of described outdoor fan the 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 when the temperature of described outdoor fan reaches frequency converter point; then carry out frequency converter operation; until when described temperature is lower than described frequency converter point; remove frequency converter; return described outdoor fan and often run Preset Time; detect indoor environment temperature, and calculate the step of the temperature gap of indoor environment temperature and default constant indoor temperature temperature.
2. constant temperature dehumidification controlling method for air conditioner according to claim 1, is characterized in that, further comprising the steps of:
If when 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.
3. constant temperature dehumidification controlling method for air conditioner according to claim 1, is characterized in that, further comprising the steps of:
If when 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. the constant temperature dehumidification controlling method for air conditioner according to any one of claims 1 to 3; it is characterized in that; if when the temperature of described outdoor fan reaches frequency converter point; then carry out frequency converter operation; until when described temperature is lower than described frequency converter point; remove 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 lower than described frequency converter point;
If, then remove 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 the temperature gap of indoor environment temperature and default constant indoor temperature temperature;
If not, then return the described outdoor fan of described control and shut down default guard time.
5. constant temperature dehumidification controlling method for air conditioner according to claim 4, it is characterized in that, safe operation rotating speed is less than at the running speed of described outdoor fan, and the dutycycle of described outdoor fan is when being greater than default dutycycle, control described outdoor fan by before described running speed and the operation of described dutycycle, further comprising the steps of:
Start the constant temperature dehumidification operational mode of air-conditioner;
Detect indoor environment temperature, setting described indoor environment temperature according to default outdoor fan algorithm is described default constant indoor temperature temperature.
6. an air-conditioner constant temperature dehumidification control system, comprises detection computations module, control module, computing module, adjusting module and frequency converter module, wherein:
Described detection computations module, for detecting 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 dutycycle of outdoor fan;
Described control module, safe operation rotating speed is less than for the described running speed when described outdoor fan, and the described dutycycle of described outdoor fan is when being greater than default dutycycle, control described outdoor fan to run by described running speed and described dutycycle, described dutycycle is the ratio accounting for available machine time of described outdoor fan the 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 reaching frequency converter point for the temperature of described outdoor fan, then carry out frequency converter operation, until when described temperature is lower than described frequency converter point, removes frequency converter, returns described computing module.
7. air-conditioner constant temperature dehumidification control system according to claim 6, it is characterized in that, also comprise safe operation rotating speed module, if when being more than or equal to described safe operation rotating speed for the described running speed of described outdoor fan, controlling described outdoor fan and run by described safe operation rotating speed.
8. air-conditioner constant temperature dehumidification control system according to claim 6, is characterized in that, also comprise and do not run module, if when being less than or equal to described default dutycycle for the described dutycycle of described outdoor fan, controlling described outdoor fan and do not run.
9. the air-conditioner constant temperature dehumidification control system according to any one of claim 6 to 8, is characterized in that, described frequency converter module comprises detecting unit, stoppage protection unit and judging unit, wherein;
Described detecting unit, for detecting the temperature of described outdoor fan;
Described stoppage protection unit, during for reaching described frequency converter point when the temperature of described outdoor fan, controls described outdoor fan and shuts down default guard time;
Described judging unit, judges that whether the temperature of described outdoor fan is lower than described frequency converter point; If so, then remove frequency converter, calculate running speed and the dutycycle of described outdoor fan, return described computing module; If not, then described stoppage protection unit is returned.
10. air-conditioner constant temperature dehumidification control system according to claim 9, is characterized in that, also comprises and starts module and detect setting module, wherein:
Described startup module, for starting the constant temperature dehumidification operational mode of air-conditioner;
Described detection setting module, for detecting indoor environment temperature, setting described indoor environment temperature according to default outdoor fan algorithm is described default constant indoor temperature temperature.
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