CN109210616A - Indoor unit, its VAV control method, air conditioner, computer equipment and storage medium - Google Patents
Indoor unit, its VAV control method, air conditioner, computer equipment and storage medium Download PDFInfo
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- CN109210616A CN109210616A CN201811063897.7A CN201811063897A CN109210616A CN 109210616 A CN109210616 A CN 109210616A CN 201811063897 A CN201811063897 A CN 201811063897A CN 109210616 A CN109210616 A CN 109210616A
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- temperature
- indoor unit
- air
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- vav control
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
-
- 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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of indoor units, its VAV control method, air conditioner, computer equipment and storage medium.The VAV control method includes the temperature of real-time detection indoor unit, and the temperature that will test is compared with the temperature range of setting, is modified according to exhaust air rate of the comparison result to indoor unit.In cooling operation mode, temperature includes the evaporating temperature and return air humidity of indoor unit；In heating operation mode, the temperature is the condensation temperature of indoor unit.The present invention can carry out real-time monitoring to indoor unit according to evaporating temperature and return air humidity or condensation temperature, and be modified to exhaust air rate, bring more preferable more comfortable usage experience to user, improve the comfort that air-conditioning uses.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of indoor units, its VAV control method, air conditioner, meter
Calculate machine equipment and storage medium.
Background technique
The multi-joint indoor unit overwhelming majority currently on the market is only provided with the 3-5 grades of adjustable air quantity of wind speed, and uses 3
A temperature temperature sensing package controls unit, i.e., the inlet tube temperature temperature sensing package, outlet pipe temp temperature sensing package of indoor set heat exchanger,
Return air inlet return air temperature temperature sensing package.Realize the different air quantity demands of user, by the control of the above different windscreens to meet human body
Intuitive comfort requirement.Although effectively reliable control can be carried out to unit by 3 temperature sensors, guarantee user's
With cooling capacity, the demand of the mount of using heat, guarantee user to the demand for control of indoor environment temperature, but the above control mode, different wind files
Corresponding constant motor speed, that is, correspond to different air quantity, if to be limited as 3-5 grades of air quantity adjustable for the selection of user,
It is not optimal control mode from the point of view of user experience and comfort.In particular, air-conditioning is during refrigerating operaton
Appearance cause because evaporating temperature is fluctuated indoor unit leaving air temp cross or too low or air-conditioning heating process sometimes because
When condensation temperature is fluctuated to lead to indoor unit leaving air temp too high or too low situation, only by the component tune of limited class
It is poor, uncomfortable that section eventually leads to user experience.
Summary of the invention
The present invention proposes a kind of indoor unit, its VAV control method, air conditioner, computer equipment and storage medium, with
Solve the problems, such as that eventually lead to user experience poor, uncomfortable only by the air quantity adjusting of limited class in the prior art.
The present invention proposes a kind of VAV control method of indoor unit, comprising: the temperature of real-time detection indoor unit will test
Temperature be compared with the temperature range of setting, be modified according to exhaust air rate of the comparison result to indoor unit.
In cooling operation mode, the temperature includes the evaporating temperature and return air humidity of indoor unit；In heating operation mould
In formula, the temperature is the condensation temperature of indoor unit.
When unit refrigerating operaton,
If evaporating temperature is lower than group setup range, air circulation is improved on the basis of current air volume, if return air is wet at this time
Degree is more than or less than group setup value, then is modified according to correction factor to air quantity on the basis of the air quantity improved；
If unit evaporating temperature is higher than setting range, air circulation is reduced on the basis of current air volume, if return air is wet at this time
Degree is more than or less than group setup value, then is modified according to correction factor to air quantity on the basis of the air quantity improved.
In one embodiment, the VAV control method the following steps are included:
Step 11. judges whether indoor unit evaporating temperature Te is interior in the temperature range range [Te.min, Te.max] of setting, if
It is then to maintain current rotation speed of fan constant；
The revolving speed of blower is then improved a times, then goes to step 13 by step 12. when evaporating temperature Te is less than the minimum value of setting；
When evaporating temperature Te is greater than the maximum value of setting, then the revolving speed of blower is reduced b times, then go to step 14；
Step 13. judges whether indoor unit return air humidity is greater than the set value, if so, continuing rotation speed of fan improving a1 times；If
It is no, then rotation speed of fan is reduced a2 times；
Step 14. judges whether indoor unit return air humidity is greater than the set value, if so, rotation speed of fan is improved b2 times；If it is not, then
Continue rotation speed of fan reducing b1 times；
Above a1, a2, b1, b2 are correction factor.
Preferably, in step 2, a is the power function for setting minimum value and evaporating temperature difference, and the b is evaporation temperature
The power function of degree and setting maximum value difference.
In unit heating operation mode, if unit condensation temperature is greater than group setup range, on the basis of current air volume
Improve air circulation；If unit condensation temperature is lower than group setup range, air circulation is reduced on the basis of current air volume.
In one embodiment, the VAV control method the following steps are included:
Step 21. judges whether the condensation temperature Tc of indoor unit is interior in set interval range [Tc.min, Tc.max], if so,
Maintain current rotation speed of fan constant；
Step 22. improves c times when condensation temperature is greater than maximum value, by rotation speed of fan；It, will when condensation temperature is less than minimum value
Rotation speed of fan reduces d times.
Preferably, the c be condensation temperature and setting maximum value difference power function, the d be setting minimum value with
The power function of the difference of condensation temperature.
The present invention also proposes that a kind of indoor unit, the indoor unit use above-mentioned VAV control method.
The present invention also proposes that a kind of air conditioner, the indoor unit of the air conditioner use above-mentioned VAV control method.
The present invention also proposes a kind of computer equipment, including memory, processor and storage on a memory and can located
The computer program run on reason device, the processor realize above-mentioned VAV control method when executing described program.
The present invention also proposes a kind of storage medium comprising computer executable instructions, the storage medium executable instruction
When being subsequently can by computer device operation for executing above-mentioned VAV control method.
Compared with prior art, the invention has the following advantages: on the basis of existing indoor machine wind-discharging amount, increase
Return air humidity sensor carries out indoor unit by indoor unit evaporating temperature and return air humidity or indoor unit condensation temperature real
When monitor, and exhaust air rate is modified, brings more preferable more comfortable usage experience to user, improve air-conditioning use it is comfortable
Property.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing indoor unit；
Fig. 2 is the schematic diagram of indoor unit of the present invention；
Fig. 3 is refrigerating state time-varying air quantity control method flow chart of the present invention；
Fig. 4 is heating state time-varying air quantity control method flow chart of the present invention.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, indoor unit generally includes the inlet tube being connected to outdoor unit, which is equipped with filter 1, electricity
Sub- expansion valve 2, indoor heat exchanger 5, blower 6 and direct current generator 7, indoor heat exchanger are equipped with inlet pipe temperature temperature sensing package 3, outlet pipe temperature
Temperature sensing package 4, indoor unit are additionally provided with return air temperature temperature sensing package 8.
The present invention is additionally arranged return air humidity sensor 9 on the basis of existing indoor unit, can evaporate simultaneously to indoor unit
Temperature and indoor environment relative humidity carry out real-time monitoring, and monitoring data Real-time Feedback is controlled to complete machine, as shown in Figure 2.
The VAV control method of indoor unit proposed by the present invention includes the temperature of real-time detection indoor unit, the temperature that will test
It spends and is compared with the temperature range of setting, is modified according to exhaust air rate of the comparison result to indoor unit.In refrigerating operaton mould
In formula, temperature includes the evaporating temperature and return air humidity of indoor unit；In heating operation mode, the temperature is the cold of indoor unit
Solidifying temperature.
When unit refrigerating operaton, if unit evaporating temperature is lower than group setup range, improved on the basis of current air volume
Air circulation (is realized) by improving indoor unit rotation speed of fan, if monitoring humidity is higher than group setup value at this time, is being mentioned
Continue to improve air quantity according to certain correction factor on the basis of high air quantity；If unit evaporating temperature is higher than setting range,
Air circulation (realizing by reducing indoor unit rotation speed of fan) is reduced on the basis of current air volume, if monitoring humidity is lower than machine at this time
Group setting value, then reduce air quantity according to certain correction factor on the basis of the air quantity improved.
When unit heating operation, if unit condensation temperature is higher than group setup range, improved on the basis of current air volume
Air circulation (is realized) by improving indoor unit rotation speed of fan.If unit condensation temperature is lower than group setup range, current
Air circulation (realizing by reducing indoor unit rotation speed of fan) is reduced on the basis of air quantity.
The present invention passes through simultaneously according to evaporating temperature and return air humidity is compared with group setup range or condensation temperature
It is compared with group setup value range, different degrees of amendment is carried out to blower exhaust air rate, reached and brought more preferably more to user
Comfortable usage experience improves the purpose for the comfort that air-conditioning uses.
Fig. 3 is the flow chart of refrigerating state time-varying air quantity control method embodiment of the present invention.
Air conditioner refrigerating run when, unit evaporating temperature Te operate normally when should maintain set interval [Te.min,
Te.max] in range.
If detecting in air conditioner refrigerating operational process, additional issue temperature Te is relatively low, i.e. when Te < Te.min, may result in interior
Machine leaving air temp is lower than unit normal range (NR), and no matter what revolving speed operation inner blower is currently at this time, in current indoor blower
A times is improved on the basis of revolving speed, a is the power function for setting minimum value and evaporating temperature difference.If the return air of humidity sensor monitoring
Humidity value is greater than group setup value, then continues to improve air quantity, a1 times is improved on the basis of current inner blower revolving speed；If humidity at this time
Sensor monitor value is less than group setup value, then reduces air quantity, and a2 times is reduced on the basis of current inner blower revolving speed.A1, a2 are
Correction factor, calculation formula are as follows:
Rtarget=Rc*a[Te.min-Te]* a1*a2,
Wherein Rtarget is blower rotating speed of target；Rc is blower initial speed.
A, the value range of a1 is between [1,2], and the value range of a2 is between [0,1].
If evaporating temperature Te is higher in air conditioner refrigerating operational process, i.e. when Te > Te.max, it may result in interior machine outlet air
Temperature is higher than unit normal range (NR), and no matter what revolving speed operation inner blower is currently at this time, on current inner blower revolving speed basis
Upper b times of reduction, b are evaporating temperature and the power function for setting maximum value difference.If the return air temperature of humidity sensor monitoring at this time
Value is less than group setup value, then continues to reduce air quantity, b1 times is reduced on the basis of current inner blower revolving speed；If humidity sensor at this time
The return air humidity value of device monitoring is greater than group setup value, then b2 times is improved on the basis of current inner blower revolving speed.B1, b2 calculate public
Formula are as follows:
Rtarget=Rc*b[Te-Te.max]* b1*b2,
Wherein, Rtarget is blower rotating speed of target；Rc is blower initial speed.
B, b1 value range is between [0,1], and b2 value range is between [1,2].
Fig. 4 is the flow chart of heating state time-varying air quantity control method embodiment of the present invention.
Air-conditioning heating run when, unit condensation temperature Tc normal operation should maintain set interval range [Tc.min,
Tc.max] in.
If condensation temperature Tc is higher in air-conditioning heating operational process, is i.e. when Tc > Tc.max, it may result in indoor unit and go out
Air temperature is higher than unit normal range (NR), and no matter what revolving speed operation indoor fan is currently at this time, turns in current indoor blower
C times is improved on the basis of speed, c is the power function of the difference of condensation temperature and setting maximum value, calculation formula are as follows:
Rtarget=Rc*c[Tc-Tc.max],
Wherein, Rtarget is blower rotating speed of target；Rc is blower initial speed.C value range is between [1,2].
If condensation temperature Tc is relatively low in air-conditioning heating operational process, i.e. when Tc < Tc.min, it may result in interior machine outlet air
Temperature is lower than unit normal range (NR), and no matter what revolving speed operation inner blower is currently at this time, on current inner blower revolving speed basis
Upper d times of reduction；D is the power function for setting the difference of minimum value and condensation temperature, calculation formula are as follows:
Rtarget=Rc*d[Tc.min-Tc],
Wherein, Rtarget is blower rotating speed of target；Rc is blower initial speed, and d value range is between [0,1].
It solves existing air-conditioner set using indoor unit, the air conditioner of VAV control method proposed by the present invention to control
The common fault that will appear in journey, i.e. air-conditioning cause indoor unit to go out wind-warm syndrome because evaporating temperature is fluctuated sometimes in refrigerating operaton process
It spends or too low；Or air-conditioning causes indoor unit leaving air temp excessively high because condensation temperature is fluctuated sometimes in heating process
Or it is too low, it eventually leads to that user experience is very poor, uncomfortable feeling, can be brought to user and more preferable more comfortably use body
It tests.
VAV control method proposed by the present invention can be stored in the memory of computer equipment with computer program, or single
In only storage medium, above-mentioned VAV control method is realized when the processor of computer equipment executes described program.
Above-described embodiment is merely to illustrate a specific embodiment of the invention.It should be pointed out that for the general of this field
For logical technical staff, without departing from the inventive concept of the premise, several deformations and variation can also be made, these deformations and
Variation all should belong to protection scope of the present invention.
Claims (12)
1. a kind of VAV control method of indoor unit characterized by comprising the temperature of real-time detection indoor unit will test
Temperature be compared with the temperature range of setting, be modified according to exhaust air rate of the comparison result to indoor unit.
2. VAV control method as described in claim 1, which is characterized in that in cooling operation mode, the temperature packet
Include the evaporating temperature and return air humidity of indoor unit；In heating operation mode, the temperature is the condensation temperature of indoor unit.
3. VAV control method as claimed in claim 2, which is characterized in that when unit refrigerating operaton,
If evaporating temperature is lower than group setup range, air circulation is improved on the basis of current air volume, if return air is wet at this time
Degree is more than or less than group setup value, then is modified according to correction factor to air quantity on the basis of the air quantity improved；
If unit evaporating temperature is higher than setting range, air circulation is reduced on the basis of current air volume, if return air is wet at this time
Degree is more than or less than group setup value, then is modified according to correction factor to air quantity on the basis of the air quantity improved.
4. VAV control method as claimed in claim 3, which comprises the following steps:
Step 11. judges whether indoor unit evaporating temperature Te is interior in the temperature range range [Te.min, Te.max] of setting, if
It is then to maintain current rotation speed of fan constant；
The revolving speed of blower is then improved a times, then goes to step 13 by step 12. when evaporating temperature Te is less than the minimum value of setting；
When evaporating temperature Te is greater than the maximum value of setting, then the revolving speed of blower is reduced b times, then go to step 14；
Step 13. judges whether indoor unit return air humidity is greater than the set value, if so, continuing rotation speed of fan improving a1 times；If
It is no, then rotation speed of fan is reduced a2 times；
Step 14. judges whether indoor unit return air humidity is greater than the set value, if so, rotation speed of fan is improved b2 times；If it is not, then
Continue rotation speed of fan reducing b1 times；
Above a1, a2, b1, b2 are correction factor.
5. VAV control method as claimed in claim 4, which is characterized in that in step 2, a be setting minimum value with
The power function of evaporating temperature difference, the b are evaporating temperature and the power function for setting maximum value difference.
6. VAV control method as claimed in claim 2, which is characterized in that when unit heating operation mode, if unit is cold
Solidifying temperature is greater than group setup range, then improves air circulation on the basis of current air volume；If unit condensation temperature is lower than unit
Setting range then reduces air circulation on the basis of current air volume.
7. VAV control method as claimed in claim 6, which comprises the following steps:
Step 21. judges whether the condensation temperature Tc of indoor unit is interior in set interval range [Tc.min, Tc.max], if so,
Maintain current rotation speed of fan constant；
Step 22. improves c times when condensation temperature is greater than maximum value, by rotation speed of fan；It, will when condensation temperature is less than minimum value
Rotation speed of fan reduces d times.
8. VAV control method as claimed in claim 7, which is characterized in that the c is condensation temperature and setting maximum value
Difference power function, the d is the power function for setting the difference of minimum value and condensation temperature.
9. a kind of indoor unit, which is characterized in that the indoor unit uses VAV control side described in claim 1-8 any bar
Method.
10. a kind of air conditioner, which is characterized in that the indoor unit of the air conditioner has used claim 1-8 described in any item
VAV control method.
11. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor realizes the described in any item variable air rates of claim 1-8 when executing described program
Control method.
12. a kind of storage medium comprising computer executable instructions, which is characterized in that the storage medium executable instruction exists
The described in any item VAV control methods of 1-8 are required for perform claim when being subsequently can by computer device operation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063897.7A CN109210616B (en) | 2018-09-12 | 2018-09-12 | Indoor unit, variable air volume control method thereof, air conditioner, computer device, and storage medium |
| PCT/CN2018/122333 WO2020052149A1 (en) | 2018-09-12 | 2018-12-20 | Indoor unit and variable air volume control method therefor, air conditioner, computer device, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063897.7A CN109210616B (en) | 2018-09-12 | 2018-09-12 | Indoor unit, variable air volume control method thereof, air conditioner, computer device, and storage medium |
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| Publication Number | Publication Date |
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| CN109210616A true CN109210616A (en) | 2019-01-15 |
| CN109210616B CN109210616B (en) | 2019-12-13 |
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| CN201811063897.7A Active CN109210616B (en) | 2018-09-12 | 2018-09-12 | Indoor unit, variable air volume control method thereof, air conditioner, computer device, and storage medium |
Country Status (2)
| Country | Link |
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| CN (1) | CN109210616B (en) |
| WO (1) | WO2020052149A1 (en) |
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| CN113864924A (en) * | 2021-10-11 | 2021-12-31 | 广东美的制冷设备有限公司 | Control method, controller, device and storage medium for air conditioning device |
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| CN113864924A (en) * | 2021-10-11 | 2021-12-31 | 广东美的制冷设备有限公司 | Control method, controller, device and storage medium for air conditioning device |
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| WO2020052149A1 (en) | 2020-03-19 |
| CN109210616B (en) | 2019-12-13 |
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