CN104654528B - The control method that indoor temperature compensates during a kind of convertible frequency air-conditioner heating operation - Google Patents
The control method that indoor temperature compensates during a kind of convertible frequency air-conditioner heating operation Download PDFInfo
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- CN104654528B CN104654528B CN201510059487.5A CN201510059487A CN104654528B CN 104654528 B CN104654528 B CN 104654528B CN 201510059487 A CN201510059487 A CN 201510059487A CN 104654528 B CN104654528 B CN 104654528B
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- 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
- F24F11/62—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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses the control method that indoor temperature during a kind of convertible frequency air-conditioner heating operation compensates, after compressor start, using segmentation accumulating compensation, by the interval time of setting and the temperature-compensating step value of setting, indoor temperature offset is added up, until reaching the total offset of indoor temperature of setting, indoor temperature reaches design temperature and causes compressor to stop, offset zero；Indoor temperature is less than design temperature, after compressor restarting, restarts to compensate.The present invention can more truly reflect room temperature using the compensation method of segmentation accumulation.So calculate compressor frequency and more meet real room thermic load, make air-conditioning temperature control more accurate, the comfortableness of user can be improved.
Description
[technical field]
The present invention relates to the control method of convertible frequency air-conditioner operation, more particularly to Indoor Temperature during a kind of convertible frequency air-conditioner heating operation
Spend the control method of compensation.
[background technology]
With the popularization of convertible frequency air-conditioner, requirement of the user to air-conditioning, the particularly requirement to the comfortableness of air-conditioning are increasingly
It is high.Convertible frequency air-conditioner has the advantages that fast-refrigerating/heating, energy-efficient, noise is low, comfort level is high, substantially improves air tune
The performance of section.Convertible frequency air-conditioner in the winter time heating operation when, the detection of room temperature can be influenceed by two aspects：First, evaporator temperature
Influence；Second, house interior hot-air is up, cold air is in lower section.Indoor temperature detected value is more higher than indoor actual temperature
Some.And the scope of activities of people is generally in the lower section of space air, so when air-conditioning heating is run, the actual value of room temperature needs
Obtained after being compensated by detected value, the calculating benchmark as airconditioning control of temperature value after compensation.
The compensation method of convertible frequency air-conditioner indoor temperature is all fairly simple on the market at present, and usual heating mode opens post-compensation one
Individual value (room temperature-offset of indoor temperature=detection after compensating).Another compensation method is:After heating operation,
Indoor temperature has compensation after compressor start, and compressor stops not compensating.
For air-conditioning at a temperature of different compressor frequencies or different outdoor environments, heating effect is to have any different with heating speed
, and both compensation compensating control methods are all fairly simple, it is impossible to true reflection current indoor temperature in real time, it is super to there is compensation
Preceding or the shortcomings that delay, room thermic load can not be met in real time by causing compressor frequency to calculate, and influence user's comfortableness..
[content of the invention]
The technical problem to be solved in the present invention is to provide Temperature numerical, air-conditioning temperature control in a kind of truer reflection room are accurate
The control method of indoor temperature compensation during true convertible frequency air-conditioner heating operation.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that a kind of convertible frequency air-conditioner runs room when heating
The control method of interior temperature-compensating, after compressor start, using segmentation accumulating compensation, interval time and setting by setting
Temperature-compensating step value, indoor temperature offset are added up, until reaching the total offset of indoor temperature of setting, indoor temperature
Reaching design temperature causes compressor to stop, offset zero；Indoor temperature is less than design temperature, after compressor restarting,
Restart to compensate.
Above-described control method, the temperature-compensating step value of setting are not more than 1 DEG C.
Above-described control method, the interval time △ Time of setting are calculated as follows：
△ Time=K1/ compressor frequencies × (K2- outdoor environment temperatures) × K3；
Wherein, K1 is coefficient of frequency；K2 is outdoor temperature coefficient；K3 is time coefficient.
Above-described control method, when temperature-compensating step value is 0.5 DEG C, the acquiescence value of coefficient of frequency is 60；Room
The acquiescence value of outer temperature coefficient is 55；The acquiescence value of time coefficient is 0.5.
Above-described control method, described compressor frequency are calculated by the Indoor Temperature angle value after compensation and obtained.
The control method of the present invention, using the compensation method of segmentation accumulation, it can more truly reflect room temperature.So
Calculate compressor frequency and more meet real room thermic load, it is more accurate using air-conditioning temperature control, relaxing for user can be improved
Adaptive.
[brief description of the drawings]
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the compensation process schematic diagram of control method of the embodiment of the present invention.
Fig. 2 is the flow chart of control method of the embodiment of the present invention.
[embodiment]
The control method that indoor temperature compensates during convertible frequency air-conditioner heating operation of the present invention is compensated using segmentation accumulating：Compression
After machine starts, using segmentation accumulating compensation, by the interval time of setting and the temperature-compensating step value of setting, indoor temperature is mended
Repay value to be added up, until reaching the total offset of indoor temperature of setting, indoor temperature reaches design temperature and causes compressor to stop
Only, offset is zeroed；Indoor temperature is less than design temperature, after compressor restarting, restarts to compensate.
The interval time of each compensation temperature is calculated by formula.Temperature-compensating step value is 0.5 DEG C of definite value, and every time
The value of compensation is added up；According to outdoor environment temperature and compressor frequency, interval time △ Time is calculated.Every △
Time times, indoor temperature offset accumulate once, until reaching total offset.The compensation of tired section is so segmented, can be compared
The value of true reflection room temperature.
Calculation formula：△ Time=K1/ compressor frequencies × (K2- outdoor environment temperatures) × K3 (units：Second)
△Time:Interval time,
K1:Coefficient of frequency, give tacit consent to value：60 (K1 according to the compressor frequency of the specified heating capacity of air-conditioning determine, different model
The specified heating of air-conditioning corresponding to compressor frequency point it is different when, K1 will be corrected.For example, the heating of air-conditioning nominal rating is corresponding
Compressor frequency be 60HZ, then K1=60).
K2:Outdoor temperature coefficient, give tacit consent to value：55 (outdoor temperature scopes of the K2 depending on air-conditioning heating pattern, K2=works
Maximum temperature-minimum temperature of work.If the outdoor temperature scope of air-conditioning heating changes, K2 needs to correct.For example, outdoor temperature
Highest：35 DEG C, minimum -20 DEG C, K2=35- (- 20)=35+25=55, this K2 coefficient just takes：55).
K3:Time coefficient, give tacit consent to value：0.5 (for K3 according to experimental result value, testing air conditioner is in heating mould during experiment
Under formula, the rate of climb of indoor temperature.The rate of climb under various circumstances empirically, the comprehensive value drawn.It is different
The air-conditioning refrigeration system configuration of model is different, and heating effect is also different, and the air-conditioning of each model, which is required for doing experiment, to be drawn
K3 numerical value).
Table 1 be when it is 50HZ that compressor frequency is constant, under the conditions of different outdoor environment temperatures, the benefit that is calculated
Repay interval time.
Table 2 is, when outdoor environment temperature is constant 7 DEG C, corresponding different compressor frequency, and the backoff interval being calculated
Time △ Time.
Table 1：
Table 2：
Embodiment：
Compressor of air conditioner startup optimization frequency is 55Hz, and keeps 55HZ constant.Outdoor environment temperature temperature is 2 DEG C,
Heating mode always compensates 5 DEG C of needs, and each offset is 0.5 DEG C.(total offset is drawn by laboratory test：In laboratory
Testing air conditioner in a heating mode, air-conditioning indoor temperature transmitter detection temperature value and room air temperature difference.Must
Go out total offset of indoor temperature).
The backoff interval time is calculated by formula：
Formula：△ Time=K1/ compressor frequencies × (K2- outdoor environment temperatures) × K3 (units：Second)
K1 is 60, K2 55, K3 0.5.
By above-mentioned parameter value, in generation, enters formula calculating:
△ Time=K1/ compressor frequencies × (K2- outdoor environment temperatures) × K3
=60/55 × (55-7) × 0.5
=1.09 × 48 × 0.5
=26 seconds
In a heating mode after compressor start, 0.5 DEG C was compensated every 26 seconds, is finished with 260 seconds time biass.
Detailed process is as follows：
26th second：Offset is 0.5 DEG C, -0.5 DEG C of the indoor temperature of indoor temperature=detection after compensation
52nd second：Offset is 1.0 DEG C, -1.0 DEG C of the indoor temperature of indoor temperature=detection after compensation
78th second：Offset is 1.5 DEG C, -1.5 DEG C of the indoor temperature of indoor temperature=detection after compensation
104th second：Offset is 2.0 DEG C, -2.0 DEG C of the indoor temperature of indoor temperature=detection after compensation
130th second：Offset is 2.5 DEG C, -2.5 DEG C of the indoor temperature of indoor temperature=detection after compensation
156th second：Offset is 3.0 DEG C, -3.0 DEG C of the indoor temperature of indoor temperature=detection after compensation
182nd second：Offset is 3.5 DEG C, -3.5 DEG C of the indoor temperature of indoor temperature=detection after compensation
208th second：Offset is 4.0 DEG C, -4.0 DEG C of the indoor temperature of indoor temperature=detection after compensation
234th second：Offset is 4.5 DEG C, -4.5 DEG C of the indoor temperature of indoor temperature=detection after compensation
260th second：Offset is 5.0 DEG C, -5.0 DEG C of the indoor temperature of indoor temperature=detection after compensation
After 260th second, 5.0 DEG C of offset maintenance is constant,
Compared with present technology, using the compensation method of segmentation accumulation, the backoff interval time passes through compressor frequency and room
Outer temperature computation, it can more truly reflect indoor temperature.So make compressor frequency calculating more meet real Indoor Thermal to bear
Lotus, it is more accurate using air-conditioning temperature control, the comfortableness of user can be improved.
Note：Compressor frequency=compressor rotary speed/60, compressor rotary speed=compressor frequency × 60；For example, compressor frequency
When rate is 70HZ, compressor rotary speed=70 × 60=4200rpm/min.
Claims (3)
1. the control method that indoor temperature compensates during a kind of convertible frequency air-conditioner heating operation, it is characterised in that after compressor start, adopt
Compensated with segmentation accumulating, by the interval time of setting and the temperature-compensating step value of setting, indoor temperature offset is tired out
Add, until reaching the total offset of indoor temperature of setting, indoor temperature reaches design temperature and causes compressor to stop, and offset is returned
Zero；Indoor temperature is less than design temperature, after compressor restarting, restarts to compensate, the interval time △ Time of setting is pressed
Following formula calculates：
△ Time=K1/ compressor frequencies × (K2- outdoor environment temperatures) × K3；
Wherein, K1 is coefficient of frequency；K2 is outdoor temperature coefficient；K3 is time coefficient；Temperature-compensating step value is 0.5 DEG C, frequency
The acquiescence value of rate coefficient is 60；The acquiescence value of outdoor temperature coefficient is 55；The acquiescence value of time coefficient is 0.5.
2. control method according to claim 1, it is characterised in that the temperature-compensating step value of setting is not more than 1 DEG C.
3. control method according to claim 1, it is characterised in that described compressor frequency passes through the interior after compensation
Temperature value, which calculates, to be obtained.
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| CN109539503B (en) * | 2018-11-30 | 2020-03-10 | 珠海格力电器股份有限公司 | Heating temperature compensation control method based on room heat load, air conditioner and computer readable storage medium |
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| CN110701737B (en) * | 2019-10-16 | 2020-11-20 | 珠海格力电器股份有限公司 | Air conditioner temperature compensation setting method, computer device and computer readable storage medium |
| CN110726237A (en) * | 2019-10-29 | 2020-01-24 | 珠海格力电器股份有限公司 | Method and device for controlling air conditioning unit |
| CN111059728B (en) * | 2019-12-16 | 2021-01-05 | 珠海格力电器股份有限公司 | Air conditioner control method and device, storage medium and air conditioner |
| CN111878966B (en) * | 2020-07-29 | 2022-05-17 | 海信（广东）空调有限公司 | Air conditioner and control method thereof |
| CN111964236B (en) * | 2020-07-30 | 2021-12-31 | 深圳麦格米特电气股份有限公司 | Method and device for calculating outdoor environment temperature and air conditioner |
| CN114294769A (en) * | 2021-12-27 | 2022-04-08 | 海信（广东）空调有限公司 | Air conditioner and control method for operating frequency of compressor of air conditioner |
| CN115164373B (en) * | 2022-05-24 | 2024-07-12 | 珠海格力电器股份有限公司 | Method, device and equipment for controlling temperature compensation of air conditioner |
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