CN107461897A - A kind of indoor station protection against the tide anti-condensation control system - Google Patents
A kind of indoor station protection against the tide anti-condensation control system Download PDFInfo
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- CN107461897A CN107461897A CN201710661389.8A CN201710661389A CN107461897A CN 107461897 A CN107461897 A CN 107461897A CN 201710661389 A CN201710661389 A CN 201710661389A CN 107461897 A CN107461897 A CN 107461897A
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Abstract
The invention discloses a kind of indoor station protection against the tide anti-condensation control system, including：Acquisition system, including indoor and outdoor Temperature Humidity Sensor, water immersion switch and access control；Human-computer interaction interface, for selecting indoor temperature and humidity control model for user, including MANUAL CONTROL mode and automatic control mode, configuration interface is provided under MANUAL CONTROL mode, the humiture average value according to current season under automatic control mode automatically configures indoor temperature and humidity scope；And controller, for according to the humiture stood in control room, and when judging that indoor temperature is in dew-point temperature or had close to the trend of dew-point temperature according to the room of acquisition system collection, inside and outside humiture, local air dew point table, the dehumidifying of startup dehumidifier, air-conditioning were heated or freezed automatically according to season, to break dew-point temperature or the trend close to dew-point temperature.Energy of the invention is moistureproof anti-condensation, moreover it is possible at utmost saves, it is ensured that power equipment safety, normal longtime running, reduce maintenance cost.
Description
Technical field
The present invention relates to a kind of indoor station protection against the tide anti-condensation control system.
Background technology
Clean and dry good running environment be ensure electrical equipment long-term safety, stably, the basic guarantor of reliability service
Barrier condition, while also it is to ensure that the important step of power system long-term safety operation.
At present, the design such as transformer station, switching station is designed using indoor station more, to ensure that reliability and security, power supply are entered
Outgoing line interval and main transformer interval lead are all connected using enclosed busbar crane span structure form substantially, cable trench disengaging wire routing, relatively
Occluded air circulation is not smooth, and because closure imprecision and the underground reason such as get damp easily enter moisture, general trench relative humidity
Between 70%-95%, moisture evaporates value upwards caused by trench, passes through the gap access switch cabinet at switch cubicle bottom.
The indoor bus bridge frame of transformer station communicates with outdoor, produces stack effect, warm-humid air is come together in bus bridge
In frame, humidity can typically reach 50%-70%, and it is higher to run into counter tide weather humidity, empty when ambient humidity is high and the temperature difference is larger
Moisture content in gas is easy to condense into dew in cabinet, causes dew condensation phenomenon at the top of bus bridge frame more serious, for a long time in this way, powered
The dielectric strength of body reduces, and easily triggers partial discharge phenomenon, potential safety hazard be present to electric equipment operation.
At rainy season and high ambient humidity, moist phenomenon is even more serious in regulator cubicle, sometimes humidity be even up to 90% with
On, run in a humidity environment for a long time, performance and the life-span of component can be reduced, make high voltage equipment insulation horizontal serious
Decline, and then cause the accident.
A large amount of existing electrical control cabinets work as environment temperature because internal component is numerous and spaces compact in power system
When the high and temperature difference is larger, the moisture content in air is easy to condense into dew in switch board, can cause for a long time ageing equipment in cabinet,
The problems such as dielectric strength reduces, secondary terminals puncture, material goes mouldy and steel construction piece corrodes, so as to trigger security incident.
To ensure the operation of the long-term safety of electrical equipment, power system proposes very high want to moistureproof, anti-condensation in cabinet
Ask.With the implementation of intelligent substation, stand in realize intelligent primary equipment, secondary device networking and overhaul of the equipments state
Change, establish and digitize unattended support platform, all shapes that field apparatus is run are learnt by distally backstage monitoring can
State.
The intelligent substation equipment operation of itself can be by carrying out operation processing, but because of moist condensation problem from the background
Bring equipment failure and environmental problem can not by background process, can only operating personnel scene handled, this just makes
Into the substantial amounts of task of field personnel, and can not go to exclude before the failure occurs.
At present, the research carried out both at home and abroad carries out corresponding control, the control master of humiture parameter primarily directed to one-sided
If being directed to the independent control that individual equipment carries out parameter, such as ventilating system, indoors mounting industrial are installed additional in cable half storey
Dehumidifier, dehumidified in switch cubicle the methods of installing heater, Temperature and Humidity Control, but single dehumanization method is to electrically setting
The improvement and unobvious of standby running environment.
Currently used dehumanization method is hot type dehumidifier and fan type dehumanization method.Hot type dehumidifier passes through raising
In-cabinet temperature reduces relative humidity in cabinet, does not reduce the water content of air in cabinet, when variation of ambient temperature, humid air
Can rapid condensation.Fan type dehumidifier swaps that to reach reduction indoor wet by the convection current of air and the extraneous air dried
Degree, can not solve condensation problem when ambient humidity is larger, and easily causes dust, filthy enters cabinet.
Because two factors of humiture of environment are mutually coupled, interact, especially humidity parameter is one with temperature
The parameter of time-varying could ensure that the healthy of equipment is run, it is necessary to control humiture parameter in real time.Based on this, this project is to becoming
Power station, switching station's power equipment running environment carry out technical research, explore the new approaches that switching station's O＆M makes an inspection tour work.
The content of the invention
It is an object of the invention to provide a kind of indoor station protection against the tide anti-condensation control system, by being integrated to humiture
Control, reach dehumidifying and anti-condensation purpose.
Therefore, the invention provides a kind of indoor station protection against the tide anti-condensation control system, the indoor station be provided with exhaust blower,
Ground fan, draining pump, dehumidifier and air-conditioning, the control system include：Acquisition system, including indoor temperature and humidity sensor, room
The water immersion switch and access control set in outer Temperature Humidity Sensor, cable duct of standing indoors；Human-computer interaction interface, it is used for
Indoor temperature and humidity control model is selected for user, optional indoor temperature and humidity control model includes MANUAL CONTROL mode and automatic control
Molding formula, wherein, configuration interface is provided under MANUAL CONTROL mode, by manual configuration indoor temperature and humidity scope, is being automatically controlled
Humiture average value under pattern according to current season automatically configures indoor temperature and humidity scope；And controller, for according to
The selected Temperature and Humidity Control pattern in family carrys out the humiture at station in control room, and in control process, is gathered according to acquisition system
Outdoor temperature humidity, indoor temperature and humidity, the air dew point table of locality judge that indoor temperature is in dew-point temperature or with close to dew
During the trend of point temperature, the dehumidifying of startup dehumidifier, air-conditioning were heated or freezed automatically according to season, to break dew-point temperature or close
The trend of dew-point temperature.
According to the anti-condensation moistureproof control system of the present invention, fully with reference to current solar term, the information such as environment and meteorology, if
A kind of anti-condensation control strategy is counted, according to existing actuator, such as air-conditioning, dehumidifier, effectively controls it to perform parameter
Coordination and switching, condensation can effectively be controlled by reaching one kind, and and can at utmost saves, it is ensured that power equipment safety, normal
Longtime running, reduce artificial, the purpose of the maintenance cost of material resources.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structured flowchart for implementing the indoor station protection against the tide anti-condensation control system of the present invention；
Fig. 2 shows the testing number for the shelf depreciation being not carried out in an experiment switching station before the control method of the present invention
According to；
Fig. 3 shows the shelf depreciation of the 10th day after the control method for implementing the present invention in optional test switching station
Detection data；
Fig. 4 shows the shelf depreciation of the 84th day after the control method for implementing the present invention in optional test switching station
Detection table；
Fig. 5 shows the discharge switch cabinet accounting being not carried out in optional test switching station before the control method of the present invention
Figure；
Fig. 6 shows the discharge switch of the 10th day after the control method for implementing the present invention in optional test switching station
Cabinet accounting figure；And
Fig. 7 shows the discharge switch of the 84th day after the control method for implementing the present invention in optional test switching station
Cabinet accounting figure.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 shows the Organization Chart for performing control system of the present invention.As shown in figure 1, the control system includes acquisition system
30th, controller 10, human-computer interaction interface (HMI, Human Machine Interface) 20 and execution system 40.
The execution system includes dehumidifier, exhaust blower, draining pump and air-conditioning, and the acquisition system senses including indoor temperature
Device, indoor humidity sensor, outdoor temperature sensor, outside humidity sensor, access control (or entrance guard sensor), light curtain are opened
Close, water immersion switch (or water sensor).
The controller includes processor (CPU) 11, input module (DI) 12, output module (DO) 13, analog input mould
Block (AI) 14, these modules are connected with processor signal, wherein, the access control in input module DI electrical connection acquisition systems
(or entrance guard sensor), light curtain switch, water immersion switch (or water sensor).Removing in output module DO electrical connection execution systems
Wet device, air blower, exhaust blower and draining pump, Analog input mModule AI electrical connection acquisition system in indoor temperature transmitter,
Indoor humidity sensor, outdoor temperature sensor and outside humidity sensor, the air-conditioning in execution system is directly and processor
Signal connects.
Wherein, human-computer interaction interface is used to select indoor temperature and humidity control model, optional indoor temperature and humidity control for user
Molding formula includes MANUAL CONTROL mode and automatic control mode, wherein, configuration interface is provided under MANUAL CONTROL mode, by craft
Temperature humidity range in disposed chamber, automatically configured under automatic control mode according to the humiture average value of current season indoor warm and humid
Spend scope.
Wherein, the humiture that controller is used to the Temperature and Humidity Control pattern selected according to user stand in control room, and
In control process, room is judged according to outdoor temperature humidity, indoor temperature and humidity and the air dew point of the locality table that acquisition system gathers
When interior temperature is in dew-point temperature or had close to the trend of dew-point temperature, the dehumidifying of startup dehumidifier, air-conditioning are automatic according to season
Heating or refrigeration, to break dew-point temperature or the trend close to dew-point temperature.
According to the anti-condensation moistureproof control system of the present invention, fully with reference to current solar term, the information such as environment and meteorology, if
Count anti-condensation control strategy, according to existing actuator, such as air-conditioning, dehumidifier, effectively control its perform the coordination of parameter with
Switching, condensation can effectively be controlled by reaching one kind, and and can at utmost saves, it is ensured that power equipment safety, normal long-term fortune
OK, artificial, the purpose of the maintenance cost of material resources is reduced.
Wherein, outdoor temperature humidity, indoor temperature and humidity and the air dew point of the locality table gathered according to acquisition system judges room
Interior temperature is in dew-point temperature or comprised the following steps with the trend close to dew-point temperature, the technical measures：By the room of collection
The air dew point table of outer humiture and locality is contrasted, and searches dew-point temperature, and by the indoor temperature and humidity of collection and dew point temperature
Degree is compared, and records each comparative result；Relation between indoor temperature and dew-point temperature is judged according to comparing result, wrapped
Include：Judge indoor temperature whether in dew-point temperature and according to using repeatedly comparing result judges recently according to current comparing result
Indoor temperature has the trend close to dew-point temperature.Abovementioned technology is illustrated below.
The air dew point table of comparisons at the component environment temperature and relative humidity of the location of optional test switching station
It is as follows：
Using the ambient temperature and humidity collected, dew-point temperature, such as environment temperature can be obtained by inquiring about the above-mentioned dew point table of comparisons
21 DEG C, relative humidity 65%, then it is 14.2 that can check in dew point critical-temperature by the above-mentioned dew point table of comparisons, if the interior detected
Temperature is 14 DEG C, then less than the dew point critical-temperature；This step records each secondary comparative result successively, for example, N-2 compares, distance
3 DEG C of dew point critical-temperature, N-1 compares, and apart from 2 DEG C of dew point critical-temperature, N compares, apart from 1 DEG C of dew point critical-temperature.
By above-mentioned comparison, it can significantly judge whether indoor temperature is in dew-point temperature and is being not in revealing
During point temperature, if move closer to dew-point temperature, i.e., whether there is the trend close to dew-point temperature.In the above example, N-2 ratios
Compared with, apart from 3 DEG C of dew point critical-temperature, N-1 compares, and apart from 2 DEG C of dew point critical-temperature, N compares, apart from 1 DEG C of dew point critical-temperature,
Indoor temperature has the trend close to dew-point temperature.When judging that indoor temperature is in dew-point temperature or with close to dew-point temperature
Trend when, control dehumidifier and air-conditioning action, break dew-point temperature or prevent this trend, otherwise still according to original control
Mode operation.
According to one embodiment of the invention, when detecting that air-conditioning is opening, start ground fan；When detecting dehumidifier
It is opening, starts ground fan；When detecting that air blower is opening, start ground fan；When detect air-conditioning, dehumidifying
Machine, exhaust blower are all closed modes, close ground fan, in the present embodiment, make indoor air flow fully right by opening ground fan
Stream, have humiture control uniformly and regulate and control quick effect.
According to one embodiment of the invention, make to form weak positive pressure (10pa) in indoor station using replacement aeration technology, simultaneously
Air intake is got in using filtering, pure air, effectively prevent laying dust incrustation and pollution, is reduced and is climbed electricity and electric discharge phenomena.
According to one embodiment of the invention, per half an hour by indoor temperature and humidity dew-point temperature ratio corresponding with outdoor temperature humidity
More once, when judging that indoor temperature is not in dew-point temperature, but utilize recently that repeatedly comparing result judges：Indoor temperature has
Close to dew-point temperature trend when, start dehumidifier dehumidifying, air-conditioning heats or freeze automatically according to season, so reaches dew point
Anti-condensation anticipation is realized before temperature.
According to one embodiment of the invention, the system (product) indoors, it is outdoor all disposed Temperature Humidity Sensor, respectively
Detection is indoor, the temperature and humidity information of outdoor environment.It is indoor that air circulation is poor because of the centralized arrangement of high-tension switch cabinet,
Local humiture is because of locus difference difference, therefore using Multi point optimization distribution placement Temperature Humidity Sensor.
The present invention from anti-condensation most ultimata, if in the running of equipment, the temperature of equipment surface
Degree is more than environment temperature (interior), can effectively prevent the generation of dew condensation phenomenon.
The system state of a control have it is automatic with manual 2 kinds.Manual mode needs to set indoor temperature and humidity value, and auto state is not
Need to set.
By 3G/4G network contacts server and network time is obtained after system boot, judge mesh after updating local clock
Preceding residing season, while send the indoor temperature and humidity gathered by 485 buses, outdoor temperature humidity, exhaust blower and ground fan and be opened and closed
State, water sensor state, drain pump condition, dehumidifier and air-conditioning state, entrance guard sensor state, light curtain state.Distally
Server receives signal and sends data to database server, and database server preserves data.
Under manually or automatically state of a control, the indoor temperature and humidity of collection and outdoor temperature humidity are contrasted in real time, and records
Comparing result, and automatically contrast result and air dew point table, when indoor temperature is in dew-point temperature, start dehumidifier dehumidifying,
Air-conditioning was heated or freezed automatically according to season.Break dew-point temperature.Prevent condensation.
The present invention carries out detailed environment monitoring and control according to residing season and system control model at present：
The control strategy of automatic control mode is as follows：
System is presently in season according to time judgement, and the temperature automatically controlled follows season and Hefei district air dew point
The temperature table of comparisons, indoor temperature and humidity is kept to prevent indoor condensation not close to dew point temperature value.Such as in Hefei district, in the spring
Ji Shi, indoor temperature are not less than 10 degree, are not provided with the upper limit, indoor humidity maintains 50% ± 5% section.During in summer, institute
Interior temperature is not higher than 40 degree, does not limit minimum, and indoor humidity maintains 50% ± 5% section.During in autumn, institute in temperature not
25 degree are not higher than less than 10 degree, indoor humidity maintains 50% ± 5% section.During in winter, temperature is not less than 8 degree in institute,
The upper limit is not provided with, humidity maintains 40% ± 5% section.
Particular surroundings controls under automatic control mode：System detectio returns to water sensor water signal, system control
Water pump contactor closes, and water pump opens draining；System detectio is anhydrous to water sensor, is closed after water pump delay 30s；System is examined
It is opening to measure air-conditioning, starts ground fan；System detectio is opening to dehumidifier, starts ground fan；System detectio
It is opening to air blower, starts ground fan；System detectio is all closed mode to air-conditioning, dehumidifier, exhaust blower, closes ground
Blower fan；Ground fan opens work if desired, always opens one hour and closes one hour；Indoor humidity is more than top limit of humidity or indoor wet
Degree is more than outside humidity, and air blower is opened；Indoor humidity is less than top limit of humidity, and door is closed, air blast office；System detectio is to gate inhibition
Sensor returns to door ON signal, starts air blower, maintains to open 20 minutes；System detectio returns to Men Guanxin to entrance guard sensor
Number, close exhaust blower.
The control strategy of MANUAL CONTROL mode is as follows：
Spring：Indoor temperature is less than preset lower limit, opens air-conditioning heating；Indoor humidity is higher than setting higher limit, dehumidifying
Machine is opened；Indoor humidity is higher than setting higher limit, and humidity, higher than 3 times of deviation of setting, dehumidifier and air conditioner dehumidification are opened；Temperature is in model
In enclosing, air-conditioning is closed；Humidity in the range of, close by dehumidifier.
Summer：Temperature in the range of restriction, close by air-conditioning；Temperature opens air conditioner refrigerating higher than setting higher limit；Humidity exists
In the range of restriction, dehumidifier is closed；Humidity is opened higher than setting higher limit, dehumidifier；Humidity, which is higher than the setting upper limit and is higher than, to be set
Determine 3 times of deviation, dehumidifier and air conditioner dehumidification are opened.
Autumn：Temperature in setting range, close by air-conditioning；Temperature is less than lowest temperature, opens air-conditioning heating；Humidity is limiting
Determine in scope, close dehumidifier；Humidity opens dehumidifier higher than the setting upper limit；Humidity is higher than the setting upper limit and inclined higher than setting
Poor 3 times, dehumidifier and air conditioner dehumidification are opened.
Winter：Temperature in setting range, close by air-conditioning；Temperature is less than lowest temperature, opens air-conditioning heating；Humidity is limiting
Determine in scope, close dehumidifier；Humidity opens dehumidifier higher than the setting upper limit；Humidity is higher than the setting upper limit and inclined higher than setting
Poor 3 times, dehumidifier and air conditioner dehumidification are opened.
Particular surroundings controls under MANUAL CONTROL mode：
System detectio returns to water sensor water signal, and system control water pump contactor closure, water pump opens draining；
System detectio is anhydrous to water sensor, is closed after water pump delay 30s；System detectio is opening to air-conditioning, starts ground wind
Machine；System detectio is opening to dehumidifier, starts ground fan；System detectio is opening to air blower, starts ground wind
Machine；System detectio is all closed mode to air-conditioning, dehumidifier, exhaust blower, closes ground fan；Ground fan opens work if desired
Make, always open one hour and close one hour.Indoor humidity is more than top limit of humidity or indoor humidity is more than outside humidity, and air blower is opened；
Indoor humidity is less than top limit of humidity, and door is closed, air blast office；System detectio returns to door ON signal to entrance guard sensor, starts
Exhaust blower, maintain to open 20 minutes；System detectio returns to door OFF signal to entrance guard sensor, closes exhaust blower.
Fig. 2 to Fig. 4 shows optional test switching station shelf depreciation time before and after the control method of the present invention is implemented
Several test datas, the test data are provided by testing switching station (Party A).As shown in Fig. 2 before the transformation of experiment switching station, altogether
Detect at 18 switch and plug-in strip shelf depreciation, the electric discharge accounting of corresponding switch cubicle as shown in figure 5, wherein 82% switch cubicle
In the presence of electric discharge.As shown in figure 3, after experiment switching station transforms 10 days, switch and plug-in strip shelf depreciation at 10, electric discharge are detected altogether
Position is greatly decreased, and the electric discharge accounting of corresponding switch cubicle is as shown in fig. 6, wherein 50% switch cubicle has electric discharge；Such as Fig. 4 institutes
Show, after experiment switching station transforms 84 days, switch and plug-in strip electric discharge, electric discharge position are greatly decreased, have gone out 04 and opened at test to 6 altogether
Beyond pass, shelf depreciation number is greatly decreased, and corresponding discharge switch cabinet accounting is as shown in fig. 7, wherein 23% switch cubicle is deposited
Discharging.
As shown in Figure 3 and Figure 4, the electric discharge of 04 switch is not effectively controlled, and opening for 04 switch place is found by investigating
It is good that pass cabinet sealed, and this control method is invalid to the temperature and humidity regulation of the switch cubicle, for the switch cubicle where 04 switch, it is proposed that
Ventilation transformation is carried out to switch cubicle, it is consistent with indoor temperature and humidity.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (5)
1. a kind of indoor station protection against the tide anti-condensation control system, the indoor station are provided with exhaust blower, ground fan, draining pump, dehumidifying
Machine and air-conditioning, it is characterised in that the control system includes：
The water logging set in acquisition system, including indoor temperature and humidity sensor, outdoor temperature humidity sensor, cable duct of standing indoors
Switch and access control；
Human-computer interaction interface, for selecting indoor temperature and humidity control model, optional indoor temperature and humidity control model bag for user
MANUAL CONTROL mode and automatic control mode are included, wherein, configuration interface is provided under MANUAL CONTROL mode, by manual configuration room
Temperature humidity range, the humiture average value according to current season under automatic control mode automatically configure indoor temperature and humidity scope；
And
Controller, for the Temperature and Humidity Control pattern selected according to user the humiture stood in control room, and controlling
Cheng Zhong, the outdoor temperature humidity gathered according to acquisition system, indoor temperature and humidity, the air dew point table of locality judge that indoor temperature is in
Dew-point temperature or with close to dew-point temperature trend when, start dehumidifier dehumidifying, air-conditioning heat or freeze automatically according to season,
To break dew-point temperature or the trend close to dew-point temperature.
2. indoor station protection against the tide anti-condensation control system according to claim 1, it is characterised in that the controller is additionally operable to
There is the control of water signal to open draining pump progress draining and according to water immersion switch after draining according to what water immersion switch detected
Closed after the no water signal control draining pump delay 30s detected.
3. indoor station protection against the tide anti-condensation control system according to claim 1, it is characterised in that the controller is additionally operable to
When starting air-conditioning, dehumidifier or exhaust blower, control starts ground fan, is controlled in Close All air-conditioning, dehumidifier and exhaust blower
Ground fan is closed, and controls ground fan periodic running in the way of opening one hour and closing one hour.
4. indoor station protection against the tide anti-condensation control system according to claim 1, it is characterised in that the controller is additionally operable to
When detecting that indoor humidity is more than top limit of humidity or indoor humidity and is more than outside humidity, control unlatching exhaust blower, to indoor air blast,
When detecting when indoor humidity is less than top limit of humidity, and door is closed, and exhaust blower is closed in control.
5. indoor station protection against the tide anti-condensation control system according to claim 1, it is characterised in that the controller is additionally operable to
When entrance guard sensor return door ON signal, start exhaust blower, to outdoor air draft, maintain to open 20 minutes, when entrance guard sensor is returned
Bride visits her parents with her husband for the first time after the wedding OFF signal, close exhaust blower.
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| CN108112222A (en) * | 2017-12-29 | 2018-06-01 | 杭州东南吉通网络有限公司 | A kind of positive pressure type cabinet |
| CN108415490A (en) * | 2018-01-31 | 2018-08-17 | 国网上海市电力公司 | A kind of temperature and humidity control system suitable for substation's underground environment |
| CN108561961A (en) * | 2018-04-27 | 2018-09-21 | 广东美的制冷设备有限公司 | Air conditioner and its condensation judgment method and computer readable storage medium |
| CN108592195A (en) * | 2018-04-27 | 2018-09-28 | 广东美的制冷设备有限公司 | Air conditioner and its condensation judgment method and computer readable storage medium |
| CN108613330A (en) * | 2018-04-27 | 2018-10-02 | 广东美的制冷设备有限公司 | Air conditioner and its control method and computer readable storage medium |
| CN110635363A (en) * | 2019-10-10 | 2019-12-31 | 珠海市联电科技有限公司 | Method and system for integrally solving moisture-proof problem of cabinet body of power box |
| CN110925979A (en) * | 2019-11-26 | 2020-03-27 | 无锡药明偶联生物技术有限公司 | Control method and control device for clean air-conditioning box |
| CN110941296A (en) * | 2019-11-18 | 2020-03-31 | 国网天津市电力公司电力科学研究院 | Intelligent condensation-preventing control system for switch room and control method thereof |
| CN112413803A (en) * | 2020-11-19 | 2021-02-26 | 广东美的制冷设备有限公司 | Air purification method, air purifier and storage medium |
| CN113297741A (en) * | 2021-05-26 | 2021-08-24 | 国网江苏省电力有限公司南通供电分公司 | Multi-strategy electric cabinet dehumidification and dewing prevention method based on heterogeneous Internet of things |
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| CN108112222A (en) * | 2017-12-29 | 2018-06-01 | 杭州东南吉通网络有限公司 | A kind of positive pressure type cabinet |
| CN108415490A (en) * | 2018-01-31 | 2018-08-17 | 国网上海市电力公司 | A kind of temperature and humidity control system suitable for substation's underground environment |
| CN108561961A (en) * | 2018-04-27 | 2018-09-21 | 广东美的制冷设备有限公司 | Air conditioner and its condensation judgment method and computer readable storage medium |
| CN108592195A (en) * | 2018-04-27 | 2018-09-28 | 广东美的制冷设备有限公司 | Air conditioner and its condensation judgment method and computer readable storage medium |
| CN108613330A (en) * | 2018-04-27 | 2018-10-02 | 广东美的制冷设备有限公司 | Air conditioner and its control method and computer readable storage medium |
| CN110635363A (en) * | 2019-10-10 | 2019-12-31 | 珠海市联电科技有限公司 | Method and system for integrally solving moisture-proof problem of cabinet body of power box |
| CN110941296A (en) * | 2019-11-18 | 2020-03-31 | 国网天津市电力公司电力科学研究院 | Intelligent condensation-preventing control system for switch room and control method thereof |
| CN110925979A (en) * | 2019-11-26 | 2020-03-27 | 无锡药明偶联生物技术有限公司 | Control method and control device for clean air-conditioning box |
| CN110925979B (en) * | 2019-11-26 | 2021-05-25 | 无锡药明偶联生物技术有限公司 | Control method and control device for clean air-conditioning box |
| CN112413803A (en) * | 2020-11-19 | 2021-02-26 | 广东美的制冷设备有限公司 | Air purification method, air purifier and storage medium |
| CN112413803B (en) * | 2020-11-19 | 2022-02-01 | 广东美的制冷设备有限公司 | Air purification method, air purification equipment and storage medium |
| CN113297741A (en) * | 2021-05-26 | 2021-08-24 | 国网江苏省电力有限公司南通供电分公司 | Multi-strategy electric cabinet dehumidification and dewing prevention method based on heterogeneous Internet of things |
| CN113297741B (en) * | 2021-05-26 | 2022-08-19 | 国网江苏省电力有限公司南通供电分公司 | Multi-strategy electric cabinet dehumidification and anti-condensation method based on heterogeneous Internet of things |
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Application publication date: 20171212 |