CN106989482B - A kind of air conditioner load monitoring system and monitoring method based on LABVIEW - Google Patents
A kind of air conditioner load monitoring system and monitoring method based on LABVIEW Download PDFInfo
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
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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
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Abstract
The invention discloses a kind of air conditioner load monitoring system and monitoring method based on LABVIEW, it include: the monitoring center based on LABVIEW, monitoring center is communicated with several monitor terminals, each monitor terminal includes measuring instrument, measuring instrument is connect with loaded termination, for monitoring the power load of loaded termination, loaded termination is controlled by intelligent remote controller, and measuring instrument and intelligent remote controller pass through GPRS DTU and communicate with monitoring center；Monitoring center based on LABVIEW receives distribution scheduling information, obtain micro-capacitance sensor real-time frequency data, loaded termination adaptive frequency variation tracking response module is established according to micro-capacitance sensor real-time frequency data, when monitoring center discovery micro-capacitance sensor frequency decline, in order to reduce the balance that load power realizes microgrid power, monitoring center issues control instruction to monitor terminal, and adjustment temperature changes the instantaneous power demands of loaded termination, guarantees temperature adjustment still within the scope of users'comfort.
Description
Technical field
The present invention relates to a kind of air conditioner load monitoring system and monitoring method based on LABVIEW.
Background technique
At present air conditioner load monitoring system research achievement mainly include the following types:
(1) smart home air conditioner wireless monitoring system: establishing the intelligent air condition monitoring system for introducing WiFi and GSM network,
So that monitor mode is more diversified, user can be in or monitor in real time outside air-conditioning situation, remain traditional distant
Device function is controlled, there are lower cost and multiple control modes.
(2) research of air conditioning terminal intelligent power saving network control system and realization: the system is proposed based on ModBus agreement
The hand of RS485 bussing technique drag hand serial ports fieldbus communication network as network implementations, realize that separate unit DDC control is empty
End-equipment is adjusted to combine with the mode of network-bus Centralized Monitoring.
(3) monitoring air-conditioner based on intelligent power saving control: it includes in air-conditioner set, controller and long-range control
The heart, the air-conditioner set and the controller correspond, and the multiple controller passes through remote transmission device and remote control center
Data communication is carried out, indoor temperature, humidity, cleanliness and air velocity can be controlled within close tolerance, and energy
Enough to adjust temperature and humidity simultaneously automatically according to operating condition, air conditioning is stablized, and reaches energy-saving and environment-friendly purpose.
(4) a kind of building air-conditioner machine utilization monitoring system: can acquire each air-conditioning equipment in building in real time uses telecommunications
Breath and indoor and outdoor temperature, and then realize to air conditioner load power consumption prediction, and according to distribution network scheduling information and determine air conditioner load
Power supply strategy, utmostly meet the power demand and power distribution network scheduling requirement of building air-conditioner equipment.
Above-mentioned several research achievements are mainly household or building air-conditioner system suitable for air-conditioning negligible amounts, range set
System, central air conditioner system are monitored, and are only considered user's own schedule demand or are only considered dispatching of power netwoks requirement, to taking into account electricity
Do not make to consider in terms of net demand and users'comfort, also cannot achieve load side auxiliary and participate in system frequency adjustment.A kind of " building
The system that air-conditioning equipment load monitoring system " is established can predict air conditioner load power information, and then be believed according to scheduling
Load adjustment demand is ceased, considers the power demand of user to a certain extent, but there are certain errors for load prediction itself, and according to
The response time that load prediction carries out power demand adjustment is longer, cannot achieve air conditioner load quick and precisely response frequency variation ginseng
It is adjusted with system frequency.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems, provides a kind of air conditioner load monitoring system based on LABVIEW
System and monitoring method can be applied to power system load real-time monitoring and control field, realize that micro-capacitance sensor scheduling divides load
Cloth control or clustered control, auxiliary participate in system frequency adjustment not influence while maintaining stable system frequency, power-balance
Comfort requirement of the user to temperature.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of air conditioner load monitoring system based on LABVIEW, comprising: the monitoring center based on LABVIEW, the monitoring
Center is communicated with several monitor terminals, and each monitor terminal includes measuring instrument, and the measuring instrument is connect with loaded termination,
For monitoring the power load of loaded termination, the loaded termination is controlled by intelligent remote controller, the measuring instrument and intelligence
Remote controler passes through GPRS DTU and communicates with monitoring center；
Monitoring center based on LABVIEW receives distribution scheduling information, micro-capacitance sensor real-time frequency data is obtained, according to micro- electricity
Net real-time frequency data establish loaded termination adaptive frequency variation tracking response module, when monitoring center finds micro-capacitance sensor frequency
When decline, in order to reduce the balance that load power realizes microgrid power, monitoring center issues control instruction to monitor terminal, adjusts
The air-conditioning set temperature under air-conditioning set temperature or reduction heating state under high refrigerating state, changes the instantaneous of loaded termination
Power demand, but guarantee temperature adjustment still within the scope of users'comfort.
The measuring instrument is used for the operating status of real-time measurement loaded termination, the operating status packet of the loaded termination
It includes: power, voltage and frequency.
The measuring instrument is connect using RS485 interface with GPRS DTU, using Modbus-RTU communications protocol and monitoring
Center is communicated, and the running state data of loaded termination is uploaded to monitoring center, while also receiving the control from monitoring center
System instruction.
The intelligent remote controller is infrared intelligent remote controler, can pass through infrared learning loaded termination switching on and shutting down order, temperature
Degree setting adjustment order, while the control command that control centre issues also is received by GPRS DTU, control loaded termination start and stop
With the adjustment of target temperature.
The monitoring center realizes the monitoring to loaded termination real-time running state, while can be changed according to micro-capacitance sensor frequency
It issues control command and changes loaded termination on-off state or set temperature, to respond micro-capacitance sensor scheduling frequency modulation demand.
By changing cluster loaded termination target temperature with the power demand of Load adjustment terminal, guarantee users'comfort
Response scheduling demand simultaneously.
The monitoring center, comprising:
TCP listens to foundation module, listens to for founding TCP；
Listening to request, whether there is or not judgment modules, for judging that monitor terminal whether there is the connection request with monitoring center, if
Have and then enter connection foundation module, enters if not and connect overtime judgment module；The time-out judgment module connects for judging
Connect whether time-out, if time-out if terminate, if having not timed out reenter listen to request whether there is or not judgment modules；
Module is founded in connection, for founding the connection request between monitor terminal and monitoring center；
Data reception module, the data uploaded for receiving monitor terminal to monitoring center；
Data disaply moudle, the data for being uploaded to monitoring center to monitor terminal are shown；
Data memory module, the data for being uploaded to monitoring center to monitor terminal store；
Loaded termination adaptive frequency changes tracking response module, for when monitoring center discovery micro-capacitance sensor frequency decline
When, in order to reduce the balance that load power realizes microgrid power, monitoring center issues control instruction to monitor terminal, and system is turned up
The air-conditioning set temperature under air-conditioning set temperature or reduction heating state under cold state, changes the instantaneous power of loaded termination
Demand, but guarantee temperature adjustment still within the scope of users'comfort；
Control instruction sending module is sent to the measuring instrument of monitor terminal for the instruction by LOAD FREQUENCY respond module
And intelligent remote controller.
A kind of air conditioner load monitoring method based on LABVIEW, comprising:
Step (1): monitoring center is founded TCP to monitor terminal and is listened to；
Step (2): judge that monitor terminal with the presence or absence of the connection request with monitoring center, foundes connection, if not if having
Then judge whether connection is overtime, terminates if time-out, if having not timed out, return step (2)；
Step (3): the connection request between monitor terminal and monitoring center is founded；
Step (4): the data that monitor terminal is uploaded to monitoring center are received；The number of monitoring center is uploaded to monitor terminal
According to being shown；The data for being uploaded to monitoring center to monitor terminal store；
Step (5): according to micro-capacitance sensor real time data, loaded termination adaptive frequency variation tracking response module is established: according to
Change tracking response module according to loaded termination adaptive frequency, when monitoring center discovery micro-capacitance sensor frequency decline, in order to reduce
Load power realizes the balance of microgrid power, and monitoring center issues control instruction to monitor terminal, is turned up under refrigerating state
Air-conditioning set temperature under air-conditioning set temperature or reduction heating state, changes the instantaneous power demands of loaded termination, still
Guarantee temperature adjustment still within the scope of users'comfort；
Step (6): the instruction of LOAD FREQUENCY respond module is sent to the measuring instrument and intelligent remote controller of monitor terminal.
Establish loaded termination adaptive frequency variation tracking response module:
The target temperature setting value and micro-capacitance sensor current frequency variation relation of air conditioner load, when micro-capacitance sensor current frequency declines
When, cluster load target temperature is linearly increased in its initial set value, the then target temperature value when micro-capacitance sensor current frequency increases
Decline；Target temperature is shown with the quantitative relationship such as formula (1) that micro-capacitance sensor frequency changes:
TSet- adjustment=-2f+100+Tset (1)
In formula:
TSet- adjustment- response system frequency load target temperature value adjusted, DEG C；
F-micro-capacitance sensor current frequency, HZ；
Tset- load initial target temperature value, DEG C.
Users'comfort range refers between 23 degrees Celsius -28 degrees Celsius.
Beneficial effects of the present invention:
1 both may be implemented the monitoring to load realtime power, equipment working voltage and system frequency, can also be sent out by system
Cloth instruction directly controls load, both can control single load, also can control cluster load, combines user to interior
Temperature requirement realizes that air conditioner load participates in electric system frequency modulation under the premise of influencing the smallest to users'comfort.
2 wireless communications, data transmission accuracy rate are high, communications status is stablized；It can be achieved to the real-time of a wide range of cluster load
Monitoring and clustered control or decentralised control to load；Based under the minimum influence required users'comfort, which is mentioned
Method out can realize that load side directly in response to dispatching requirement, changes quick response frequency modulation demand auxiliary according to frequency and participates in electric power
System is primary, the adjustment of secondary frequency.
Detailed description of the invention
Fig. 1 is system architecture diagram of the invention；
Fig. 2 is the monitoring system inner function module figure based on LABVIEW；
Fig. 3 is the monitoring flow chart based on LABVIEW；
Fig. 4 is cluster air conditioner load target temperature and system frequency variation relation；
Fig. 5 is the micro-capacitance sensor frequency response model that cluster air conditioner load participates in frequency modulation.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
As shown in Figs. 1-5, key technology scheme of the invention is to establish the load based on LABVIEW continuously to monitor and control
Simultaneously the requirement of response system frequency modulation, key step have system:
(1) it establishes load measurement module: serial electric energy tester is installed in loaded termination, it can real-time measurement load operation
State (including power, voltage, frequency), at the same the measuring instrument use RS485 interface, using Modbus-RTU communications protocol with
Master system is communicated, and load monitoring data can be uploaded, and can also send system control command to load side.
(2) increase wireless communication module: the system use wireless communication module, each loaded termination measuring instrument with it is right
The communication module answered is attached the wireless communication, it can be achieved that with remote monitoring system by RS485 interface, uploads load data
Or send control command.
(3) infrared intelligent remote control module is accessed: can be by the order of infrared learning on-load switch machine, set temperature adjustment life
It enables, while receiving monitoring system control command and directly controlling load start and stop, adjustment target temperature etc..
(4) it establishes LABVIEW monitoring system: establishing the load cluster prison based on LABVIEW language on monitoring server
Control system realizes the monitoring to load real-time running state, while it is negative to change publication control command change according to system frequency
Lotus on-off state or set temperature are to responsive electricity grid scheduling frequency modulation demand.
(5) response system dispatching requirement
By changing cluster load target temperature to adjust its power demand, guarantee to respond while users'comfort requires
Dispatching requirement.Distribution scheduling acquisition of information power grid real-time frequency data are accessed in LABVIEW system, and it is adaptive to establish air conditioner load
The module of frequency variation tracking response is answered, i.e., when system frequency declines, load power need to be reduced and realize grid power balance, system
Air-conditioning under cold state increases its set temperature (air conditioner load under heating state will reduce its set temperature), load power
Demand can instantaneously change and the room temperature short time is still within the scope of users'comfort.In short, cluster air conditioner load can wait
It imitates in generating set, quick response system is primary, frequency modulation frequency modulation, and the response time can foreshorten in 15s.
The present invention proposes a kind of implementation method of load monitoring system based on LABVIEW, specific embodiment and step
It is rapid as follows:
(1) load measuring instrument is accessed
In monitored loaded termination, load and measuring instrument are connected in series, it can real-time monitoring after measuring instrument booting
Load data is simultaneously shown in instrument screen.Meanwhile the RS485 interface of measuring instrument can connect with wireless communication module and be led to
Letter realizes that data upload.The measuring instrument uses MOBUS RTU communication protocol, and the communication on all RS485 loops is all " to beat
Packet " mode occurs.One package is exactly a simple character string (each character string 8), including address field, function code domain,
Data field, verification domain.
(2) wireless communication module (GPRS DTU) is set
The set interface of wireless communication module GPRS DTU, setting up procedure are as follows:
1) GPRS DTU is connected with RS232 cross spider first with computer serial port, is arranged under parameter configuration software and chooses
Serial port, baud rate (115200), data bit etc. open serial ports.
2) DTU running parameter is configured according to the known parameters of slave computer (load measuring instrument).
Communication baud rate (9600), the IP address of monitoring center, domain name and the communication port numbers of setting, DTU itself
ID number, sim card number etc..It is saved after the completion of configuration.
3) restart and enter communications status.Power lamp is bright, and the flashing of online lamp indicates to have logged in GPRS network, online
Lamp is always on expression and is already connected to Internet, i.e. GPRS DTU can realize normal communication.
(3) infrared intelligent remote control module is accessed
Learning-oriented (232/485) the infrared intelligent remote control module of wideband carries out Schistosomiasis control using serial ports (RS485/RS232),
Control load condition can be instructed by infrared transmission switching on and shutting down.Infrared carrier wave carrier frequency is wide: 10KHZ~80KHZ.It can great Rong
Storing instructions are measured, multiple key commands can be remembered.The control module can also pass through RS232/485 and wireless communication module
GPRSDTU is communicated, and is received control system order and is passed through the start and stop state of infrared control load.
The transmitted instruction package of the module is mainly by operation code, transmission code, the address of transmission, reserved, verification and group
At.
(4) LABVIEW language realizes system monitoring
It is illustrated in figure 3 the Establishing process figure of the monitoring system based on LABVIEW.LABVIEW is using based on graphical
Computer programming language support multiple data channel synchronizations to carry out using the control flow structure with figure.
The port of each load bus, IP are configured by " TCP listens to function ",
" TCP reads function " can be achieved the real-time monitoring to load data and be shown, be stored to data,
" TCP writes function " can establish load with system frequency variation directly in response to module simultaneously, and response relation turns
It turns to LABVIEW language and load control system is realized by the terminal that wireless signal is sent to all monitoring loads.
The final monitoring realized to cluster air conditioner load completes air conditioner load and participates in that electric system is primary, secondary frequency tune
Whole and minimum on the requirement influence of the comfort level of user, architecture diagram is as shown in Figure 3.
(5) load responding traffic order participates in frequency modulation
1) guarantee of users'comfort
Since the heat exchange of air-conditioning work is duration process, adjusting target temperature in short-term can be changed its power demand but room
Interior temperature change is smaller, smaller on users'comfort and usability influence, therefore can be by changing cluster load target temperature to adjust
Its whole power demand guarantees response scheduling demand while users'comfort.
2) foundation of load-frequency respond module
Through studying, air conditioner load target temperature generally obeys discrete Gaussian Profile, independently of one another, can be according to micro-capacitance sensor frequency
Variation respectively respond, on the basis of initial target temperature setting value adjustment to change cluster load power demand, auxiliary power generation
Side maintains system frequency to stablize.It is illustrated in figure 4 the target temperature setting value of air conditioner load and micro-capacitance sensor frequency under each refrigerating state
Rate variation relation, when micro-capacitance sensor frequency decline, cluster load target temperature is linearly increased in its initial set value, and frequency increases
When then target temperature value decline.Target temperature is shown with the quantitative relationship such as formula (1) that micro-capacitance sensor frequency changes.
TSet- adjustment=-2f+100+Tset (1)
In formula:
TSet- adjustment- response system frequency load target temperature value adjusted, DEG C；
F-micro-capacitance sensor frequency, HZ；
Tset- load initial target temperature value, DEG C.
Load-frequency respond module is established by Fig. 4 and formula (1), in system frequency fluctuation, the target temperature of air conditioner load
Real-time perfoming is changed, the response time almost can be considered instantaneity, and target temperature changes then its power demand and changes correspondingly, simultaneously
Room temperature can be kept constant in short-term, users'comfort maintains to stablize.A large amount of cluster air conditioner load power demands are larger, change mesh
Total load power fluctuation after mark temperature can be equivalent to generating set, and the frequency modulation schematic diagram of response system frequency variation is such as
Shown in Fig. 5, realize that conventional electric power generation unit sum aggregate group air conditioner load carries out that system is primary, the adjustment of secondary frequency jointly.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (9)
1. a kind of air conditioner load monitoring system based on LABVIEW, characterized in that it include: the monitoring center based on LABVIEW,
The monitoring center is communicated with several monitor terminals, and each monitor terminal includes measuring instrument, the measuring instrument and load
Terminal connection, for monitoring the power load of loaded termination, the loaded termination is controlled by intelligent remote controller, the measurement instrument
Table and intelligent remote controller pass through GPRSDTU and communicate with monitoring center；
Monitoring center based on LABVIEW receives distribution scheduling information, obtains micro-capacitance sensor real-time frequency data, according to micro-capacitance sensor reality
When frequency data establish loaded termination adaptive frequency variation tracking response module, when monitoring center discovery micro-capacitance sensor frequency decline
When, in order to reduce the balance that load power realizes microgrid power, monitoring center issues control instruction to monitor terminal, and system is turned up
The air-conditioning set temperature under air-conditioning set temperature or reduction heating state under cold state, changes the instantaneous power of loaded termination
Demand, but guarantee temperature adjustment still within the scope of users'comfort；The target temperature setting value and micro-capacitance sensor of air conditioner load
Current frequency variation relation, when the decline of micro-capacitance sensor current frequency, cluster load target temperature linearly rises in its initial set value
Height, when micro-capacitance sensor current frequency increases, then target temperature value declines；
The measuring instrument is used for the operating status of real-time measurement loaded termination, and the operating status of the loaded termination includes: function
Rate, voltage and frequency；
The monitoring center, comprising: TCP listens to foundation module, listens to for founding TCP.
2. a kind of air conditioner load monitoring system based on LABVIEW as described in claim 1, characterized in that the measurement instrument
Table is connect using RS485 interface with GPRSDTU, is communicated using Modbus-RTU communications protocol with monitoring center, to monitoring
Center uploads the running state data of loaded termination, while also receiving the control instruction from monitoring center.
3. a kind of air conditioner load monitoring system based on LABVIEW as described in claim 1, characterized in that the intelligence is distant
Control device is infrared intelligent remote controler, can be by infrared learning loaded termination switching on and shutting down order, temperature setting adjustment order, simultaneously
The control command that control centre issues also is received by GPRSDTU, controls the adjustment of loaded termination start and stop and target temperature.
4. a kind of air conditioner load monitoring system based on LABVIEW as described in claim 1, characterized in that in the monitoring
The heart realizes the monitoring to loaded termination real-time running state, while can change publication control command according to loaded termination collection group frequency
Change loaded termination on-off state or set temperature, to respond micro-capacitance sensor scheduling frequency modulation demand.
5. a kind of air conditioner load monitoring system based on LABVIEW as described in claim 1, characterized in that collected by changing
Group's loaded termination target temperature guarantees response scheduling demand while users'comfort with the power demand of Load adjustment terminal.
6. a kind of air conditioner load monitoring system based on LABVIEW as described in claim 1, characterized in that in the monitoring
The heart, further includes: listening to request, whether there is or not judgment modules, for judging that monitor terminal whether there is the connection request with monitoring center,
Enter connection if having and found module, connects overtime judgment module if not entering；The time-out judgment module is for judging
Connection whether time-out, if time-out if terminate, if having not timed out reenter listen to request whether there is or not judgment modules；
Module is founded in connection, for founding the connection request between monitor terminal and monitoring center；
Data reception module, the data uploaded for receiving monitor terminal to monitoring center；
Data disaply moudle, the data for being uploaded to monitoring center to monitor terminal are shown；
Data memory module, the data for being uploaded to monitoring center to monitor terminal store；
Loaded termination adaptive frequency changes tracking response module, for being when monitoring center discovery micro-capacitance sensor frequency decline
The balance that load power realizes microgrid power is reduced, monitoring center issues control instruction to monitor terminal, and refrigeration shape is turned up
The air-conditioning set temperature under air-conditioning set temperature or reduction heating state under state, the instantaneous power for changing loaded termination need
It asks, but guarantees temperature adjustment still within the scope of users'comfort；
Control instruction sending module is sent to the measuring instrument and intelligence of monitor terminal for the instruction by LOAD FREQUENCY respond module
It can remote controler.
7. a kind of air conditioner load monitoring method based on LABVIEW, characterized in that include:
Step (1): monitoring center is founded TCP to monitor terminal and is listened to；
Step (2): judge that monitor terminal with the presence or absence of the connection request with monitoring center, foundes connection, if otherwise sentencing if having
Whether connection breaking is overtime, terminates if time-out, if having not timed out, return step (2)；
Step (3): the connection request between monitor terminal and monitoring center is founded；
Step (4): the data that monitor terminal is uploaded to monitoring center are received；To monitor terminal be uploaded to the data of monitoring center into
Row display；The data for being uploaded to monitoring center to monitor terminal store；
Step (5): according to micro-capacitance sensor real time data, loaded termination adaptive frequency variation tracking response module is established: according to negative
Lotus terminal adaptive frequency changes tracking response module, when monitoring center discovery micro-capacitance sensor frequency decline, in order to reduce load
Power realizes the balance of microgrid power, and monitoring center issues control instruction to monitor terminal, and the air-conditioning under refrigerating state is turned up
Air-conditioning set temperature under set temperature or reduction heating state, changes the instantaneous power demands of loaded termination, but guarantees
Temperature is adjusted still within the scope of users'comfort；
Step (6): the instruction of LOAD FREQUENCY respond module is sent to the measuring instrument and intelligent remote controller of monitor terminal.
8. a kind of air conditioner load monitoring method based on LABVIEW as claimed in claim 7, characterized in that include:
Establish loaded termination adaptive frequency variation tracking response module:
The target temperature setting value and micro-capacitance sensor current frequency variation relation of air conditioner load, when the decline of micro-capacitance sensor current frequency,
Cluster load target temperature is linearly increased in its initial set value, when micro-capacitance sensor current frequency increases then under target temperature value
Drop；Target temperature is shown with the quantitative relationship such as formula (1) that micro-capacitance sensor frequency changes:
TSet- adjustment=-2f+100+Tset (1)
In formula:
TSet- adjustment- response system frequency load target temperature value adjusted, DEG C；
F-micro-capacitance sensor current frequency, HZ；
Tset- load initial target temperature value, DEG C.
9. a kind of air conditioner load monitoring method based on LABVIEW as claimed in claim 7, characterized in that users'comfort
Range refers between 23 degrees Celsius -28 degrees Celsius.
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| CN110941195A (en) * | 2019-11-20 | 2020-03-31 | 南京攀旺物联网智能科技有限公司 | Smart home Modbus master control system controlled by portable terminal |
| CN114659254B (en) * | 2022-03-17 | 2023-09-29 | 南京师范大学 | Air conditioner load frequency control method based on discrete adjustment of temperature set value |
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