CN106016601B - Air-conditioning control method for frequency, control device and air-conditioning - Google Patents
Air-conditioning control method for frequency, control device and air-conditioning Download PDFInfo
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- CN106016601B CN106016601B CN201610354090.3A CN201610354090A CN106016601B CN 106016601 B CN106016601 B CN 106016601B CN 201610354090 A CN201610354090 A CN 201610354090A CN 106016601 B CN106016601 B CN 106016601B
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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
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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
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F2110/10—Temperature
-
- 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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Abstract
The invention discloses a kind of air-conditioning control method for frequency, control device and air-conditionings.The described method includes: operation of air conditioner, real-time indoor environment temperature and setting target temperature are obtained, the temperature difference between the real-time indoor environment temperature and the setting target temperature is calculated, as the real-time temperature difference, room temperature PID operation is carried out according to the real-time temperature difference, obtains first frequency；Indoor heat source where real-time detection air-conditioning simultaneously determines the real-time range between the heat source and air-conditioning, frequency corresponding with the real-time range is obtained according to the corresponding relationship of known distance and frequency, as second frequency；It selects the smaller value in the first frequency and the second frequency as target frequency, is run according to the compressor that the target frequency controls air-conditioning.With the application of the invention, energy saving, the comfortable control of air-conditioning may be implemented.
Description
Technical field
The invention belongs to air-conditioning technique fields, specifically, being the air-conditioning equipment for being related to adjusting room air, more
It says to body, is to be related to air-conditioning control method for frequency, control device and air-conditioning.
Background technique
Air-conditioning summer can freeze, winter can heat, and can adjust room temperature and reach cool in summer and warm in winter, provide for user
Comfortable environment.While air-conditioning provides comfort for user, incident is the contradiction with high energy consumption.Energy consumption is not
User's financial burden is increased only, it is also opposite with energy-saving and environment-friendly trend.Therefore, how to be provided comfortably using air-conditioning for user
The energy consumption that air-conditioning is reduced while environment is that current air conditioner producer has been working hard and solves the problems, such as.
Existing convertible frequency air-conditioner can control compressor operating frequency according to indoor environment temperature and setting target temperature, reach
To energy-saving purpose.But it can not achieve according to the control mode that temperature controls compressor operating frequency merely more excellent
Energy saving, comfortable control.
Summary of the invention
The object of the present invention is to provide a kind of air-conditioning control method for frequency and control devices, realize the energy saving, comfortable of air-conditioning
Control.
For achieving the above object, air-conditioning control method for frequency provided by the invention, which adopts the following technical solutions, gives reality
It is existing:
A kind of air-conditioning control method for frequency, which comprises operation of air conditioner obtains real-time indoor environment temperature and setting
Target temperature calculates the temperature difference between the real-time indoor environment temperature and the setting target temperature, as the real-time temperature difference, root
Room temperature PID operation is carried out according to the real-time temperature difference, obtains first frequency；Indoor heat source where real-time detection air-conditioning simultaneously determines institute
The real-time range between heat source and air-conditioning is stated, according to the determination of the corresponding relationship of known distance and frequency and the real-time range pair
The frequency answered, as second frequency；Select smaller value in the first frequency and the second frequency as target frequency,
The compressor operation of air-conditioning is controlled according to the target frequency.
The corresponding relationship of method as described above, the distance and frequency is positive correlation.
Method as described above, if the smaller value in the first frequency and the second frequency is greater than setting most high frequency
Rate is run then using the setting highest frequency as the target frequency according to the compressor that the target frequency controls air-conditioning.
Method as described above, indoor heat source where the detection air-conditioning simultaneously determine the reality between the heat source and air-conditioning
When distance, specifically include:
The infrared sensor controlled in air-conditioning carries out rotary scanning, the temperature information in scanning range is obtained, according to described
Temperature information obtains heat source temperature curve；
It is determined according to the heat source temperature curve real-time between the indoor heat source in air-conditioning place and the heat source and air-conditioning
Distance.
To realize aforementioned invention purpose, air-conditioning frequency control apparatus provided by the invention, which adopts the following technical solutions, gives reality
It is existing:
A kind of device for realizing air conditioner energy saving control based on distance, described device include:
Indoor environment temperature acquiring unit, for obtaining real-time indoor environment temperature；
Target temperature acquiring unit is set, for obtaining setting target temperature；
Real-time temperature difference acquiring unit, for calculating between the real-time indoor environment temperature and the setting target temperature
The temperature difference, as the real-time temperature difference；
Room temperature PID arithmetic element obtains for carrying out PID arithmetic according to the real-time temperature difference and exports first frequency；
Heat source is determining and distance acquiring unit, for heat source indoor where real-time detection air-conditioning and determine the heat source with
Real-time range between air-conditioning；
Second frequency acquiring unit, for being obtained and the real-time range according to the corresponding relationship of known distance and frequency
Corresponding frequency, as second frequency；
Compressor frequency obtains and control unit, for selecting the smaller value in the first frequency and the second frequency
As target frequency, run according to the compressor that the target frequency controls air-conditioning.
Device as described above, the heat source is determining and distance acquiring unit includes:
Infrared sensor is arranged in air-conditioning；
Rotating mechanism, for driving the infrared sensor to rotate；
Heat source is determining and apart from subelement is obtained, for obtaining the temperature information in the infrared sensor scanning range,
Obtain heat source temperature curve according to the temperature information, according to the heat source temperature curve determine indoor heat source where air-conditioning and
Real-time range between the heat source and air-conditioning.
In addition, the present invention also provides a kind of air-conditionings with above-mentioned air-conditioning frequency control apparatus.
Compared with prior art, the advantages and positive effects of the present invention are:
The present invention is when carrying out frequency control to air-conditioning, not only according between indoor environment temperature and setting target temperature
The temperature difference carries out room temperature PID operation, obtains first frequency；Meanwhile frequency limit is determined as at a distance from air conditioning room also according to heat source
Second frequency；Then, it selects the smaller value in first frequency and second frequency as target frequency, controls compressor of air conditioner fortune
Row.That is, the cooperation between temperature difference factor and heat source distance factor has been comprehensively considered when carrying out frequency control to compressor, it is real
The energy-saving run for having showed air-conditioning and comfortably air-supply.
After a specific embodiment of the invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Detailed description of the invention
Fig. 1 is the flow chart of air-conditioning control method for frequency one embodiment of the present invention；
Fig. 2 is the structural block diagram of air-conditioning frequency control apparatus one embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to drawings and examples,
Invention is further described in detail.
Referring to Figure 1, which show the flow chart of air-conditioning control method for frequency one embodiment of the present invention.
As shown in Figure 1, the method that the embodiment realizes the control of air-conditioning frequency is realized using the process with following step:
Step 11: operation of air conditioner obtains real-time indoor environment temperature, setting target temperature, meanwhile, real-time detection air-conditioning institute
The real-time range of heat source and determining heat source and air conditioning room indoors.
Specifically, when air-conditioning is switched on and runs, the indoor environment temperature in room locating for real-time detection air-conditioning, real-time detection
Temperature as real-time indoor environment temperature.So-called real-time indoor environment temperature refers to after air-conditioning booting operation, according to setting
Determine the indoor environment temperature that temperature sampling frequency is constantly obtained and updated.The acquisition of real-time indoor environment temperature can use existing
Technology is realized.For example, by the way that air-conditioning air inlet is arranged in or close to the temperature sensor detection air inlet temperature of air-conditioning air inlet
Degree, the master control borad of air-conditioning passes through the output signal of temperature collection sensor and is handled, to get inlet air temperature, and will
The temperature is as real-time indoor environment temperature.
Setting target temperature, which refers to, wishes that the attainable target temperature of indoor environment institute, the setting target temperature can be use
Family passes through the temperature value that remote controler or control terminal for air conditioner or air-conditioning panel are inputted, and it is automatic to be also possible to air-conditioning master control borad
The setting value called.Regardless of the temperature value is set using which kind of mode, can be got by air-conditioning master control borad.
After air-conditioning booting operation, in addition to the real-time indoor environment temperature in room locating for real-time detection air-conditioning, also to examine in real time
Indoor heat source where surveying air-conditioning, and determine the real-time range of heat source and air conditioning room.So-called real-time range is opened in air-conditioning
After machine operation, the distance between indoor airflow and air-conditioning for constantly obtaining and update according to setting sample frequency.The detection of heat source
And the determination of distance of heat source and air conditioning room can be realized using the prior art.For example, by the way that infrared battle array is arranged on air-conditioning
Sensor or common infrared sensor, calculate in conjunction with certain algorithm.
As preferred embodiment, indoor heat source where detecting air-conditioning and determine between heat source and air-conditioning it is real-time away from
From being obtained, specifically included using following technological means:
The infrared sensor controlled in air-conditioning carries out rotary scanning, the temperature information in scanning range is obtained, according to temperature
Information acquisition heat source temperature curve.
Specifically, infrared sensor and rotating mechanism can be arranged on air-conditioning, the controller of air-conditioning controls rotating machine
Structure driving infrared sensor rotates in biggish angular range.The infrared sensor of rotation is to the region within the scope of scanning angle
It is scanned, the temperature information in real-time acquisition scans region.Temperature information reflection is sweeping of currently acquiring of infrared sensor
The radiation intensity of object in range is retouched, radiation intensity is stronger, then it represents that the temperature value of infrared sensor acquisition is higher.Therefore, exist
In the scanning process of infrared sensor, scanning is arrived again to the process after heat source, infrared sensing to source center before scanning to heat source
The temperature value of device sampling is to arrive a low process again from low to high, this is process of the scanning to a heat source.Air-conditioning receives red
The temperature information of outer sensor sampling is generated indoor by the analysis of the i.e. radiation intensity of temperature information acquired to infrared sensor
The temperature curve of heat source.
Infrared sensor rotation is driven by rotational structure, so only needing single-point infrared sensor that entire sky can be realized
Between range temperature scanning, do not need array infrared sensor, data processing is relatively simple, expend the time it is short.
Then, according to heat source temperature curve determine where air-conditioning between indoor heat source and heat source and air-conditioning it is real-time away from
From.
Specifically, air conditioner corresponds to the radiation intensity of heat source by the crest value in analysis temperature curve, crest value, according to
Crest value may determine that the number of heat source in current environment, wherein the coordinate value of crest value is the coordinate value i.e. position of heat source.
Moreover, the temperature value of infrared sensor sampling and the distance of object have relationship, and when object distance air-conditioning is remoter, infrared sensing
The temperature value of device acquisition is lower, conversely, closer to object true temperature value.It specifically, can be according to temperature in temperature curve most
Difference between high level and minimum determines the distance between heat source and air conditioner, is acquired according to infrared sensor in the scan period
The maximum value of temperature value and the difference of minimum value can judge the heat source of Current Scan and the relative distance of background, difference is got over
It is small, illustrate that heat source and background are close, i.e., heat source and air-conditioning be farther out.
Step 12: it calculates real-time indoor environment temperature and sets the temperature difference between target temperature, as the real-time temperature difference, according to
The real-time temperature difference carries out room temperature PID operation, obtains first frequency；It is obtained according to the corresponding relationship of known distance and frequency and real-time
Apart from corresponding frequency, as second frequency.
Master control borad calculates the temperature difference between the two after getting real-time indoor environment temperature and setting target temperature,
As the real-time temperature difference.Then, room temperature PID operation is carried out according to the real-time temperature difference, obtains the frequency controlled compressor,
And the frequency is defined as first frequency.Wherein, room temperature PID operation is carried out according to the temperature difference, acquisition controls compressor
The specific method of target frequency can be realized using the prior art, be not elaborated and limited herein.
Meanwhile corresponding with real-time range frequency is obtained also according to the corresponding relationship of known distance and frequency, as the
Two frequencies.
Specifically, being previously stored with corresponding relationship of the distance with frequency in the memory of air-conditioning master control borad, wherein away from
From the distance between indoor airflow and air-conditioning is referred to, frequency refers to the running frequency of compressor.Preferably, pair of distance and frequency
Should be related to be by research staff under theoretical direction, it is obtained by a large amount of operation of air conditioner simulated experiment, can be as far as possible
Take into account air-conditioning comfort and energy saving.Moreover, positively related relationship is presented between distance and frequency.That is, apart from smaller, frequency
Rate is also lower；Vice versa.Moreover, the corresponding relationship between distance and frequency, can be calculated by specific calculation
A kind of relationship, be also possible to the one-to-one relationship by way of table.It is calculated if it is by calculation,
Calculation is stored in advance, after obtaining real-time range, it is corresponding that real-time range is calculated according to real-time range and calculation
Frequency and as second frequency.And if the one-to-one relationship formed by way of table, obtaining real-time range
Later, the mode tabled look-up can be taken to read out the corresponding frequency of real-time range and as second frequency according to real-time range.It builds
The starting point of vertical distance and the corresponding relationship of frequency are as follows: heat source is different from air-conditioning distance, and the requirement to leaving air temp is different.It is making
Under cold mode, when to enable air-conditioning to provide outlet air comfort the most reasonable, heat source and smaller air-conditioning distance for heat source, the phase
Hope increase leaving air temp, the wind for avoiding temperature too low to heat source and cause discomfort, then to compressor frequency progress frequency limit, limiting
After frequency, leaving air temp can be increased, while energy consumption can also be reduced.
Step 13: selecting the smaller value in first frequency and second frequency as target frequency, controlled according to target frequency
The compressor of air-conditioning is run.
Specifically, first frequency and second frequency that comparison step 12 obtains select the smaller value in the two, as mesh
Frequency is marked, is run according to the compressor that target frequency controls air-conditioning.
Frequency of air condition compressor is controlled using the above method, has comprehensively considered indoor temperature difference factor and heat source and sky
The cooperation between distance factor between tune, the energy-saving run for realizing air-conditioning and comfortably air-supply.
Embodiment more preferably is previously stored with a setting highest frequency in the memory of air-conditioning master control borad,
If step 13 determines that the smaller value in first frequency and second frequency is greater than setting highest frequency, setting highest frequency is made
For target frequency.That is, either which frequency to control compressor according to, the running frequency of guarantee compressor is no more than
Set highest frequency.
Fig. 2 is referred to, the figure shows the structural block diagrams of air-conditioning frequency control apparatus one embodiment of the present invention.
As shown in Fig. 2, the structural unit and its function that the air-conditioning frequency control apparatus of the embodiment is included are as follows:
Indoor environment temperature acquiring unit 21, for obtaining real-time indoor environment temperature.
Target temperature acquiring unit 22 is set, for obtaining setting target temperature.
Real-time temperature difference acquiring unit 23, for calculating the real-time indoor environment temperature of the output of indoor environment temperature acquiring unit 21
The temperature difference between setting target temperature that degree and setting target temperature acquiring unit 22 obtain, and as the real-time temperature difference.
Room temperature PID arithmetic element 24, the real-time temperature difference for being exported according to real-time temperature difference acquiring unit 23 carry out PID fortune
It calculates, obtains and export first frequency.
Heat source determination and distance acquiring unit 25 for heat source indoor where real-time detection air-conditioning and determine heat source and sky
Real-time range between tune.
Second frequency acquiring unit 26, for according to the corresponding relationship of known distance and frequency obtain with heat source it is determining and
The corresponding frequency of real-time range that distance acquiring unit 25 exports, and as second frequency.
Compressor frequency obtain with control unit 27, for select room temperature PID arithmetic element 24 export first frequency with
The smaller value in second frequency that second frequency acquiring unit 26 exports controls air-conditioning as target frequency, and according to target frequency
Compressor operation.
Heat source is determining and distance acquiring unit 25 can be using the knot for being able to detect heat source and determining distance in the prior art
Structure is realized.As preferred embodiment, heat source is determining and distance acquiring unit 25 is realized using following structures:
Include:
Infrared sensor is arranged in air-conditioning；
Rotating mechanism, for driving infrared sensor to rotate；
Heat source is determining and apart from subelement is obtained, for obtaining the temperature information in infrared sensor scanning range, according to
Temperature information obtains heat source temperature curve, according to heat source temperature curve determine indoor heat source where air-conditioning and heat source and air-conditioning it
Between real-time range.
Each structural unit in above-mentioned apparatus runs corresponding software program, and executes airconditioning control according to the process of Fig. 1,
Realize energy saving, the comfortable operation of air-conditioning.
Moreover, the air conditioning control device of Fig. 2 can be applied in air-conditioning, the sky with energy conservation, comfortable operation function is formed
It adjusts.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although referring to aforementioned reality
Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of air-conditioning control method for frequency, which is characterized in that the described method includes: air conditioner refrigerating is run, obtain indoor in real time
Environment temperature and setting target temperature calculate the temperature difference between the real-time indoor environment temperature and the setting target temperature,
As the real-time temperature difference, room temperature PID operation is carried out according to the real-time temperature difference, obtains first frequency；Room where real-time detection air-conditioning
Interior heat source simultaneously determines the real-time range between the heat source and air-conditioning, is determined according to the corresponding relationship of known distance and frequency
Frequency corresponding with the real-time range, as second frequency；Select the first frequency with it is smaller in the second frequency
Value is used as target frequency, is run according to the compressor that the target frequency controls air-conditioning.
2. the method according to claim 1, wherein the corresponding relationship of the distance and frequency is to be positively correlated to close
System.
3. the method according to claim 1, wherein if the first frequency with it is smaller in the second frequency
Value is greater than setting highest frequency, then using the setting highest frequency as the target frequency, is controlled according to the target frequency
The compressor of air-conditioning is run.
4. according to the method in any one of claims 1 to 3, which is characterized in that indoor heat where the detection air-conditioning
Source simultaneously determines the real-time range between the heat source and air-conditioning, specifically includes:
The infrared sensor controlled in air-conditioning carries out rotary scanning, the temperature information in scanning range is obtained, according to the temperature
Information acquisition heat source temperature curve；
The real-time range between the indoor heat source in air-conditioning place and the heat source and air-conditioning is determined according to the heat source temperature curve.
5. a kind of air-conditioning frequency control apparatus, which is characterized in that described device includes:
Indoor environment temperature acquiring unit, for obtaining real-time indoor environment temperature；
Target temperature acquiring unit is set, for obtaining setting target temperature；
Real-time temperature difference acquiring unit, for calculating the temperature between the real-time indoor environment temperature and the setting target temperature
Difference, as the real-time temperature difference；
Room temperature PID arithmetic element obtains for carrying out PID arithmetic according to the real-time temperature difference and exports first frequency；
Heat source is determining and distance acquiring unit, indoor heat source where being used for real-time detection air-conditioning simultaneously determine the heat source and air-conditioning
Between real-time range；
Second frequency acquiring unit, it is corresponding with the real-time range for being obtained according to known distance with the corresponding relationship of frequency
Frequency, as second frequency；
Compressor frequency obtains and control unit, for select the smaller value in the first frequency and the second frequency as
Target frequency is run according to the compressor that the target frequency controls air-conditioning.
6. device according to claim 5, which is characterized in that the heat source is determining and distance acquiring unit includes:
Infrared sensor is arranged in air-conditioning；
Rotating mechanism, for driving the infrared sensor to rotate；
Heat source is determining and apart from subelement is obtained, for obtaining the temperature information in the infrared sensor scanning range, according to
The temperature information obtains heat source temperature curve, indoor heat source where determining air-conditioning according to the heat source temperature curve and described
Real-time range between heat source and air-conditioning.
7. a kind of air-conditioning, which is characterized in that the air-conditioning includes the control dress of air-conditioning frequency described in the claims 5 or 6
It sets.
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| CN114909787B (en) * | 2022-04-25 | 2023-10-20 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
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| JP5673204B2 (en) * | 2011-02-25 | 2015-02-18 | ダイキン工業株式会社 | Mediation device and air conditioning system |
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| JPS6082738A (en) * | 1983-10-13 | 1985-05-10 | Matsushita Seiko Co Ltd | Method of adjusting room temperature by air conditioner |
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