CN104566813B - Air conditioner and method and system for monitoring humidity of air conditioner - Google Patents
Air conditioner and method and system for monitoring humidity of air conditioner Download PDFInfo
- Publication number
- CN104566813B CN104566813B CN201410831558.4A CN201410831558A CN104566813B CN 104566813 B CN104566813 B CN 104566813B CN 201410831558 A CN201410831558 A CN 201410831558A CN 104566813 B CN104566813 B CN 104566813B
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- relative humidity
- premises station
- outdoor
- air
- circuit board
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
Abstract
The invention relates to a system and a method for monitoring humidity of an air conditioner. The method comprises the following steps of obtaining the outdoor weather parameters and the running parameters of an outdoor unit at the preset time intervals; according to the parameters, calculating the relative humidity of the surface of a circuit board of the outdoor unit; accumulating the running time of the outdoor unit which runs under the relative humidity exceeding a threshold value of the relative humidity; judging whether the accumulated running time is greater than the preset running time or not; when the accumulated running time is greater than the preset running time, sending a humidity stress release operation instruction to the outdoor unit. The method and the system for monitoring the humidity of the air conditioner have the advantage that by monitoring the stress parameter of the relative humidity of the surface of the circuit board of the outdoor unit, when the running time of the air conditioner which runs under the exceeding stress of the relative humidity reaches the upper limit, and the stress of the relative humidity is released, so the air conditioner can work under the proper environment, the reliability of the equipment is improved, and the service life is prolonged.
Description
Technical field
The present invention relates to airconditioning control field, more particularly to a kind of air-conditioner and its humidity control method and system.
Background technology
With the extensive application of the development of Power Electronic Technique, particularly converter technique, the air-conditioner of current main flow is in system
Cold heating effect, humid control, purification of air and energy-conservation aspect have huge progress.By wireless communication technique and mutually
Networking technology is applied in air-conditioning, and current air-conditioner obtains extensive research at aspects such as hommization, household and intellectualities
And application.
At present in the detachable air conditioner of domestic applications, off-premises station all works in the environment of rather harsh.Typical case
Off-premises station be mounted in outdoor wall on, Yian fill region difference, off-premises station work environment temperature may be from -20 DEG C
To 50 DEG C of changes.In addition the relative humidity of different region air also can be varied widely, in subtropical zone and the weather in the torrid zone
In, relative humidity (RH) can reach 100%, or even the condensation for having water droplet.
In convertible frequency air-conditioner, off-premises station circuit is mainly by rectification circuit, PFC (Power Factor
Correction, PFC) circuit and inverter circuit composition.Because off-premises station is operated in rugged environment, therefore to outdoor electromechanical
The reliability on road proposes strict requirements.In the electronic devices and components energization work of off-premises station, the increase of humidity can accelerate
Electrochemical reaction in components and parts, so as to cause the drift of unit for electrical property parameters, in some instances it may even be possible to cause component failure.Printed circuit
The surface of plate can prevent the absorption of vapor under wet environment by one layer of anti-humidity oil of coating, and then improve off-premises station circuit
Reliability.If the relative humidity of off-premises station circuit surface can be detected and controlled, its can be greatly improved long-term
Reliability.
The content of the invention
Based on this, it is necessary to provide a kind of air-conditioner humidity control method, the relative humidity to off-premises station circuit board surface
It is monitored, it is ensured that air-conditioner can more intelligence and reliable operation.
The invention provides a kind of air-conditioner humidity control method, comprises the following steps：
S110, the weather parameters of outdoor and the operational factor of off-premises station are obtained every Preset Time；
S120, according to the operational factor of the weather parameters and off-premises station the relatively wet of outdoor mounted circuit board surface is calculated
Degree；
S130, the off-premises station that adds up operates in run time of the relative humidity beyond relative humidity threshold value；
Whether S140, judge the run time for adding up more than run time is preset, if then execution step S150, otherwise
Execution step S110；
S150, sends a command to the off-premises station, makes the off-premises station perform dehumidification operation.
Additionally, additionally provide a kind of air-conditioner humidity control system, including data obtaining module, data analysis module and
Control module, wherein：
Described information acquisition module is used to obtain the operational factor of the weather parameters of outdoor and off-premises station every Preset Time；
The data analysis module is used to calculate outdoor electromechanics road according to the operational factor of the weather parameters and off-premises station
The relative humidity of plate surface；
The control module operates in fortune of the relative humidity beyond relative humidity threshold value for the off-premises station that adds up
The row time；It is additionally operable to judge that the run time for adding up, whether more than default run time, if so, then sends a command to the room
Outer machine, makes the off-premises station perform dehumidification operation, and otherwise described information acquisition module reruns.
Additionally, a kind of air-conditioner is additionally provided, including above-mentioned air-conditioner humidity control system.
Above-mentioned air-conditioner humidity control method and system can pass through the relative humidity of off-premises station circuit board surface, to judge
Whether the run time in high relative humidity stress of system reaches the upper limit, such as reaches the upper limit, then carry out dehumidification operation.Thus,
Air-conditioner can be enabled to be operated under satisfactory relative humidity, improve the reliability and service life of equipment.
Description of the drawings
Fig. 1 is the module map of air-conditioner humidity control system in present pre-ferred embodiments；
Fig. 2 is the flow chart of air-conditioner humidity control method in present pre-ferred embodiments；
Fig. 3 is the flow chart of air-conditioner humidity control method in embodiment in more detail of the invention.
Specific embodiment
In order that the technical problem to be solved in the present invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Fig. 1 is referred to, air-conditioner humidity control system in present pre-ferred embodiments can be with air-conditioner 100 as core
Carrier runs, or runs by core carrier of mobile terminal 200.Run by core carrier of mobile terminal 200 below,
Describe presently preferred embodiments of the present invention in detail.
In the present embodiment, air-conditioner humidity control system includes air-conditioner 100, mobile terminal 200, the mobile terminal 200
With the network communication of the air-conditioner 100.
Air-conditioner 100 includes data obtaining module 110, controller 120 and communication module.Data obtaining module 110 includes
The relative humidity acquisition module 111 of off-premises station, environment temperature acquisition module 112 and circuit board power acquisition module.Relative humidity
Acquisition module 111 can adopt humidity sensor, the relative humidity of 111 pairs of outdoors of relative humidity acquisition module to be adopted in real time
Sample.Environment temperature acquisition module 112 can adopt temperature sensor, and the environment temperature of off-premises station is sampled in real time.Electricity
Road plate power acquisition module 113 is sampled by the operating current and operating voltage to key componentses in circuit board, is passed through
Calculate the power for obtaining outdoor mounted circuit board.Controller 120 is controlled to the running status of air-conditioner 100.Communication module is complete
Into sending and receiving for the data between air-conditioner 100 and mobile terminal 200.In a further embodiment, can by with shifting
The weather server (not shown) of the network connection of dynamic terminal 200 obtains the environment temperature of air-conditioner 100.
Mobile terminal 200 includes data analysis module 210, control module 220, data disaply moudle 230 and communication module.
The power of the main outdoor relative humidity to obtaining from air-conditioner 100 of data analysis module 210, environment temperature and circuit board enters
Row analytical calculation, obtains the relative humidity of the circuit board surface of off-premises station.Control module 220 is main to data analysis module 210
Output data carries out monitor in real time, and output order to the controller 120 of air-conditioner 100.Data disaply moudle 230 is to data point
Analysis module 210 and the data of the output of control module 220 are carried out in real time, intuitively show.
In the present embodiment, based on the real-time communication of mobile terminal 200 and air-conditioner 100, by installed in mobile whole
The data analysis module 210 at end 200, data disaply moudle 230 and control module 220 are relative to the printed circuit board (PCB) of off-premises station
Humidity carries out real-time detection and Based Intelligent Control.When system first arranges off-premises station and operates in the default operation for being higher by default relative humidity
Between.When in off-premises station running, the relative humidity of off-premises station circuit surface is in the operation beyond default relative humidity threshold value
The summation of time is reached or during more than default run time, then control air-conditioner 100 perform corresponding operation should to discharge humidity
Power.
Specifically, Fig. 1 and Fig. 2 is referred to, specifically air-conditioner humidity control system includes：Data obtaining module 110, number
According to analysis module 210 and control module 220.In the present embodiment, in the setting of data obtaining module 110 and air-conditioner 100, the number
It is arranged in mobile terminal 200 according to analysis module 210 and the control module 220.
Described information acquisition module 110 is used to obtain the operation ginseng of outdoor weather parameters and off-premises station every Preset Time
Number.The Preset Time can be arranged according to the size of above-mentioned default run time, be with 0.1%, 1% or 3% time
One sampling period.In the present embodiment, the outdoor weather parameters includes outdoor relative humidity and outdoor environment temperature,
The operational factor of the off-premises station includes the power of the circuit board, or operating current and operating voltage.
The data analysis module 210 is used to calculate outdoor electromechanical according to the operational factor of the weather parameters and off-premises station
The relative humidity of road plate surface.
Whether the control module 220 judges the relative humidity of off-premises station circuit board surface more than default relative humidity threshold
Value.If so, the off-premises station that then adds up operates in run time of the relative humidity beyond relative humidity threshold value；It is otherwise described
Data obtaining module 110 reruns, into the outdoor weather parameters and the operational factor of off-premises station in next sampling period
Resampling.Beyond the run time of relative humidity threshold value：Phase is exceeded with the relative humidity for running on off-premises station circuit board surface
The sampling period (i.e. above-mentioned Preset Time) of humidity threshold is added up, the relative humidity for running on off-premises station circuit board surface is less than
The sampling period of relative humidity threshold value does not add up.
Whether the control module 220 is additionally operable to judge the run time for adding up more than default run time.If so, then
The off-premises station is sent a command to, makes the off-premises station perform dehumidification operation；Otherwise described information acquisition module 110 is transported again
OK, into next sampling period outdoor weather parameters and off-premises station operational factor resampling.In typical case, in advance
If run time is set between 500 hours and 1000 hours.
The off-premises station performs dehumidification operation and is specially：Introduce fresh air, the convection velocity of increase waste air and to institute
Stating circuit board carries out plus hankers one or more of three kinds of modes.The circuit board is heated specifically to printed circuit board (PCB)
The Copper Foil of surface large area region is heated, and the method for heating can take the initiative and heat or passive heating.
In embodiments of the invention, the relative humidity of off-premises station circuit board surface can be passed through, to judge system in high phase
Whether the upper limit is reached to the run time of humidity modification, the upper limit is such as reached, then carries out dehumidification operation.Thus, air-conditioning can be caused
Device 100 can be operated in and close under the relative humidity that symbol is required, improve the reliability and service life of equipment.Air-conditioner 100 is by least
One off-premises station and at least one indoor units into.The present invention not only can be applied and domestic air conditioning, be also applied for larger central
Air-conditioning system.In off-premises station circuit, voltage and current sample module is generally integrated.Can be given by voltage, electric current and efficiency
Go out the power of circuit board.Circuit board power acquisition module 113 and controller 120 can be by the microcontrollers 120 of outdoor circuit
To realize.
Off-premises station is first sent to the power of the outdoor relative humidity for collecting, outdoor environment temperature and circuit board
Mobile terminal 200.The data analysis module 210 of mobile terminal 200 then calculates the relative humidity for providing circuit board surface.Circuit board
The relative humidity on surface is relevant with the moisture protection measures on surface.Circuit board surface can coat one layer of protection against the tide formed by anti-humidity oil
Diaphragm, to hinder the diffusion of moisture in air.Relative humidity along moisture-proof protective film linear reduction, its rate of change and hydrone
Diffusion coefficient in moisture-proof protective film is inversely proportional to.Be diffused into circuit board and moisture protection membrane interface hydrone only have it is certain
Ratio it is stable be adsorbed onto circuit board surface, its adsorption rate is closely related with the mean temperature of circuit board surface.By outdoor
The power of environment temperature and circuit board can obtain the plate temperature of circuit board.
In actual application process, more easily method is that the relative humidity of circuit board surface is relatively wet with outdoor
The relation of the power of degree, outdoor environment temperature and circuit board makes form, and transmission or storage are in mobile terminal 200.It is mobile
The data analysis module 210 of terminal 200 can quickly provide the relative humidity of real-time circuit board surface by tabling look-up.
With reference to Fig. 2, air-conditioner humidity control method, comprises the following steps in present pre-ferred embodiments：
S110, the weather parameters of outdoor and the operational factor of off-premises station are obtained every Preset Time.
S120, according to the operational factor of the weather parameters and off-premises station the relatively wet of outdoor mounted circuit board surface is calculated
Degree.
S130, the off-premises station that adds up operates in run time of the relative humidity beyond relative humidity threshold value.
Whether S140, judge the run time for adding up more than run time is preset, if then execution step S150, otherwise
Execution step S110.
S150, sends a command to the off-premises station, makes the off-premises station perform dehumidification operation.
With reference to Fig. 1 and Fig. 2, the control module 220 of mobile terminal 200 is electromechanical to the outdoor in off-premises station circuit running
The relative humidity of road plate surface carries out monitor in real time.First discriminatory analysis is carried out to the relative humidity of off-premises station circuit board surface,
Judge whether it meets the standard of low stress.In typical case, the relative humidity of off-premises station circuit board surface less than 50% to
70% state that may be considered low stress.In the present embodiment, the relative humidity threshold value takes 60%.If meeting low stress mark
Standard, then wait the result in next sampling period and it rejudged；If being unsatisfactory for low stress standard, during operation
Between be added to the run time of heavily stressed operation.If the time of stress operation is less than higher limit (default run time), etc.
Treat the result in next sampling period and it is rejudged.If the time of stress operation exceedes higher limit (default operation
Time), then control module 220 sends control instruction to the controller 120 of air-conditioner 100 by communication module, holds off-premises station
Row dehumidification operation.In typical case, the stress run time upper limit (default run time) be set in 500 hours and 1000 hours it
Between.
In a still further embodiment, Fig. 1 and Fig. 3 is referred to, air-conditioner humidity control method is comprised the following steps：
S10, user's setting operational factor, air-conditioner 100 brings into operation, and air-conditioner 100 and mobile terminal 200 set up logical
News.
S11, the relative humidity acquisition module 111 of off-premises station obtains the relative humidity of outdoor.
S12, the temperature acquisition module of off-premises station obtains outdoor environment temperature.
S13, the circuit board power acquisition module 113 of off-premises station obtains the power consumption of outdoor mounted circuit board.
S14, off-premises station sends power consumption of the relative humidity outside off-premises station room, outdoor environment temperature and circuit board etc.
Data are to mobile terminal 200.
S15, the data analysis module 210 of mobile terminal 200 calculates the relative humidity on outdoor mounted circuit board surface.It is outdoor electromechanical
The relative humidity of road plate is the function of the power consumption of outdoor relative humidity, environment temperature and circuit board, and its relational expression can be with
Determined by experimental data or theory analysis.
S16, data analysis module 210 sends result of calculation to remote control module 220 and data disaply moudle 230.Number
According to display module 230 user can be allowed to have running state of air conditioner intuitively to recognize.
S17, the control module 220 of mobile terminal 200 is to the circuit board surface in the circuit board running of off-premises station
Relative humidity carries out monitor in real time.The relative humidity of the circuit board surface first to calculating carries out discriminatory analysis, whether judges it
Meet the standard of low stress.If meeting low stress standard, wait the result in next sampling period and it is sentenced again
It is disconnected；If being unsatisfactory for low stress standard, run time was added in the time of heavily stressed operation.If stress operation when
Between be less than higher limit, then wait the result in next sampling period and it rejudged.If the time of stress operation surpasses
Higher limit is crossed, then control module 220 sends control instruction to the controller 120 of air-conditioner 100 by communication module.
S18, in the presence of controller 120, perform reduces relative humidity operation to air-conditioner 100, until next sampling
Till the numerical value of the relative humidity in cycle meets the standard of low stress.Performing reduction relative humidity operation main method has：(1) lead to
Cross the convection velocity for introducing fresh air and increasing waste air；(2) printed circuit board (PCB) is heated, particularly to the big face in surface
The Copper Foil in product region is heated, and the method for heating can take the initiative and heat or passive heating.
Above-mentioned air-conditioner humidity control method and system can pass through the relative humidity on the outdoor mounted circuit board surface of monitoring
Stress parameters, carry out the release of the stress of relative humidity if the time for running on the stress beyond relative humidity reaches the upper limit,
Air-conditioner 100 can be enabled to work under appropriate circumstances, improve the reliability and service life of equipment.
In another embodiment, with reference to Fig. 1, if above-mentioned air-conditioner humidity control method and system is arranged on air-conditioner
In 100, then mobile terminal 200 can be omitted, the modules of mobile terminal 200 can be arranged directly on sky in above-described embodiment
Adjust on device 100 (in addition to communication module), the operation method of its system is same as the previously described embodiments, repeats no more here.
Embodiment described above only expresses the several embodiments of the present invention, all at this not to limit the present invention
Any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the protection model of the present invention
Within enclosing.
Claims (8)
1. a kind of air-conditioner humidity control method, it is characterised in that comprise the following steps：
S110, the weather parameters of outdoor and the operational factor of off-premises station, the outdoor weather parameters are obtained every Preset Time
Including outdoor relative humidity and the environment temperature of outdoor, the operational factor of the off-premises station includes the power of circuit board；
S120, according to the operational factor of the weather parameters and off-premises station the relative humidity on outdoor mounted circuit board surface is calculated；
S130, the off-premises station that adds up operates in run time of the relative humidity beyond relative humidity threshold value；
Whether S140, judge the run time for adding up more than default run time, if then execution step S150, otherwise performs
Step S110；
S150, sends a command to the off-premises station, makes the off-premises station perform dehumidification operation.
2. monitoring method according to claim 1, it is characterised in that the off-premises station performs dehumidification operation and is specially：Draw
Enter fresh air, the convection velocity of increase waste air and the circuit board is carried out to add one or more that hankers three kinds of modes.
3. monitoring method according to claim 1, it is characterised in that the relative humidity threshold value is 50% to 70%.
4. a kind of air-conditioner humidity control system, it is characterised in that including data obtaining module, data analysis module and control
Module, wherein：
Described information acquisition module is used to obtain the operational factor of the weather parameters of outdoor and off-premises station every Preset Time, described
Outdoor weather parameters includes outdoor relative humidity and outdoor environment temperature, and the operational factor of the off-premises station includes circuit
The power of plate；
The data analysis module is used to calculate outdoor mounted circuit board table according to the operational factor of the weather parameters and off-premises station
The relative humidity in face；
The control module be used for add up the off-premises station operate in the relative humidity beyond relative humidity threshold value operation when
Between；It is additionally operable to judge that the run time for adding up, whether more than default run time, if so, then sends a command to the outdoor
Machine, makes the off-premises station perform dehumidification operation, and otherwise described information acquisition module reruns.
5. monitoring system according to claim 4, it is characterised in that the relative humidity threshold value is 50% to 70%.
6. monitoring system according to claim 4, it is characterised in that the off-premises station performs dehumidification operation and is specially：Draw
Enter fresh air, the convection velocity of increase waste air and the circuit board is carried out to add one or more that hankers three kinds of modes.
7. the monitoring system according to any one of claim 4 to 6, described information acquisition module arrange with air-conditioner, institute
State data analysis module and the control module is arranged in mobile terminal.
8. a kind of air-conditioner, it is characterised in that including the air-conditioner humidity control system described in any one of claim 4 to 6.
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| CN201410831558.4A CN104566813B (en) | 2014-12-26 | 2014-12-26 | Air conditioner and method and system for monitoring humidity of air conditioner |
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| CN201410831558.4A CN104566813B (en) | 2014-12-26 | 2014-12-26 | Air conditioner and method and system for monitoring humidity of air conditioner |
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| CN104566813B true CN104566813B (en) | 2017-05-10 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106991088B (en) * | 2016-01-20 | 2021-02-09 | 创新先进技术有限公司 | Data acquisition method and device |
| CN109348680B (en) * | 2018-10-16 | 2020-11-06 | 宁波奥克斯电气股份有限公司 | Moisture-proof control method and device for electric control board |
| CN109945413B (en) * | 2019-03-15 | 2021-06-11 | 宁波奥克斯电气股份有限公司 | Air conditioner data acquisition method, processing method and device and air conditioner |
| CN111044101A (en) * | 2019-12-28 | 2020-04-21 | 江苏中天伯乐达变压器有限公司 | Transformer monitoring system and monitoring method |
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| JP2002130876A (en) * | 2000-10-18 | 2002-05-09 | Saginomiya Seisakusho Inc | Controller for air conditioner |
| CN101451779A (en) * | 2007-11-28 | 2009-06-10 | 海尔集团公司 | Defrosting control method for heat pump air conditioner |
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