CN104596054B - Air-conditioner set blower control method and device - Google Patents
Air-conditioner set blower control method and device Download PDFInfo
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- CN104596054B CN104596054B CN201410831545.7A CN201410831545A CN104596054B CN 104596054 B CN104596054 B CN 104596054B CN 201410831545 A CN201410831545 A CN 201410831545A CN 104596054 B CN104596054 B CN 104596054B
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- Prior art keywords
- fan
- blast volume
- total blast
- frequency
- air
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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
- F24F11/30—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
- F24F2110/00—Control inputs relating to air properties
-
- 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
- F24F2110/30—Velocity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention discloses a kind of air-conditioner set blower control method and device.Air-conditioner set blower control method includes：Step 1, obtain and expect air quantity；Step 2, keep determine frequency fan condition it is constant in the case of, adjust frequency conversion fan rotating speed so that the current total blast volume of air-conditioner set to expect air quantity change；Step 3, it is determined that when the rotating speed of frequency conversion fan has been adjusted to limit speed, whether current total blast volume reaches expectation air quantity；Step 4, when current total blast volume is not up to expectation air quantity, increase determines frequency blower fan quantity in opening or closed mode, while adjusting the rotating speed of frequency conversion fan so that current total blast volume keeps constant, then redirects execution step 2.The present invention is during total blast volume is adjusted, control by frequency conversion fan with determining frequency blower fan combines, and makes total blast volume that linear change be presented during regulation, realizes the step-less adjustment to total blast volume, so that total air volume control is steady, it is ensured that the even running and regulation of air-conditioner set.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioner set blower control method and device.
Background technology
In the prior art, when in air-conditioner set existing frequency conversion fan have again determine frequency blower fan when, typically all by frequency conversion fan
Control and determine frequency blower fan control it is separated, have again to frequency conversion fan and determine frequency blower fan and independently control.
Fig. 1 shows change schematic diagram of the total blast volume for determining frequency blower fan in the prior art during independent regulation；Fig. 2 shows
The change schematic diagram of random total blast volume of the prior art is gone out.As depicted in figs. 1 and 2, using independent tune of the prior art
The mode of section, the total blast volume that can cause air-conditioner set is not linearly increasing or reduced, but has mutation, so, is unfavorable for air-conditioning
The stable operation and regulation of unit.
The content of the invention
Being there is provided in the embodiment of the present invention a kind of make the total blast volume linear change of air-conditioner set, prevents from being mutated, is conducive to sky
Adjust the air-conditioner set blower control method and device of stable operation and the regulation of unit.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of air-conditioner set blower control method, including：Step
1, obtain and expect air quantity；Step 2, keep determine frequency fan condition it is constant in the case of, regulation frequency conversion fan rotating speed so that empty
The current total blast volume of unit is adjusted to change to expectation air quantity；Step 3, it is determined that having been adjusted to the limit turn in the rotating speed of frequency conversion fan
When fast, whether current total blast volume reaches expectation air quantity；Step 4, when current total blast volume is not up to expectation air quantity, increase is in and opened
That opens state or closed mode determines frequency blower fan quantity, while the rotating speed of frequency conversion fan is adjusted so that current total blast volume keeps constant,
Then execution step 2 is redirected.
Preferably, step 2 includes：If it is desire to air quantity is more than current total blast volume, then increase the rotating speed of frequency conversion fan；
And/or if it is desire to air quantity then reduces the rotating speed of frequency conversion fan less than current total blast volume.
Preferably, when the rotating speed of frequency conversion fan is adjusted to the direction of increase, limit speed refers to the highest of variable-frequency motor
Rotating speed；When the rotating speed of frequency conversion fan is adjusted to the direction of reduction, limit speed refers to the minimum speed of variable-frequency motor.
Preferably, in step 4, determine frequency blower fan quantity of the increase in opening includes：If it is desire to air quantity is more than
Current total blast volume, then be then turned at least one set and determine frequency blower fan.
Preferably, in step 4, increasing the frequency blower fan quantity of determining being closed includes：If it is desire to air quantity is less than
Current total blast volume, then close that at least one set is currently at opening determines frequency blower fan.
Present invention also offers a kind of air-conditioner set fan controller, including：Acquisition module, wind is expected for obtaining
Amount；First control module, for keep determine frequency fan condition it is constant in the case of, regulation frequency conversion fan rotating speed so that empty
The current total blast volume of unit is adjusted to change to expectation air quantity；Judge module, for determining that the rotating speed in frequency conversion fan has been conditioned
During to limit speed, whether current total blast volume reaches expectation air quantity；Second control module, for being not up to the phase in current total blast volume
During the amount of keeping watch, increase determines frequency blower fan quantity in opening or closed mode, at the same adjust frequency conversion fan rotating speed so that
Current total blast volume keeps constant, then redirects the first control module of execution.
Preferably, the first control module includes：First submodule, for expect air quantity be more than current total blast volume when,
Increase the rotating speed of frequency conversion fan；And/or second submodule, for when it is expected that air quantity is less than current total blast volume, reducing frequency conversion wind
The rotating speed of machine.
Preferably, when the rotating speed of frequency conversion fan is adjusted to the direction of increase, limit speed refers to the highest of variable-frequency motor
Rotating speed；When the rotating speed of frequency conversion fan is adjusted to the direction of reduction, limit speed refers to the minimum speed of variable-frequency motor.
Preferably, the second control module includes：Opening module, for expect air quantity be more than current total blast volume when, then
Open at least one set and determine frequency blower fan.
Preferably, the second control module includes：Closedown module, for when it is expected that air quantity is less than current total blast volume, closing
Close it is at least one set of be currently at opening determine frequency blower fan.
By above-mentioned technical proposal, the present invention is during total blast volume is adjusted, by frequency conversion fan and the control for determining frequency blower fan
System combines, and makes total blast volume that linear change be presented during regulation, realizes the step-less adjustment to total blast volume, from
And make total air volume control steady, it is ensured that the even running and regulation of air-conditioner set.This way it is possible to avoid there is prior art
In, when determining frequency blower fan according to condition start-stop, the problem of total blast volume phase step type mutation occurs by the air quantity for determining frequency blower fan also avoids
The problem of heat exchange amount of complete machine is increasedd or decreased by the ability phase step type for determining frequency blower fan.
Brief description of the drawings
Fig. 1 is individually to adjust total blast volume change schematic diagram when determining frequency blower fan in the prior art；
Fig. 2 is the change schematic diagram of random total blast volume of the prior art；
Fig. 3 is the control flow chart of the air-conditioner set blower control method in the present invention；
Fig. 4 is total blast volume change schematic diagram when being controlled using the present invention to total blast volume；
Fig. 5 is the structural representation of the air-conditioner set blower control method in the present invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
Fig. 3 and Fig. 4 are refer to, the invention provides a kind of air-conditioner set blower control method, including：
Step 1, obtain and expect air quantity.
Step 2, keep determine frequency fan condition it is constant in the case of, regulation frequency conversion fan rotating speed so that air-conditioner set
Current total blast volume to expect air quantity change.Due to keeping the state for determining frequency blower fan constant, therefore, when only adjusting frequency conversion fan
When, linear change is presented in total blast volume.
Step 3, it is determined that when the rotating speed of frequency conversion fan has been adjusted to limit speed, whether current total blast volume reaches the phase
The amount of keeping watch.Preferably, when the rotating speed of frequency conversion fan is adjusted to the direction of increase, the highest that limit speed refers to variable-frequency motor turns
Speed；When the rotating speed of frequency conversion fan is adjusted to the direction of reduction, limit speed refers to the minimum speed of variable-frequency motor.Now, although
By the rotational speed regulation of frequency conversion fan to maximum or minimum, but still it is unable to reach expectation air quantity.
Step 4, when current total blast volume is not up to expectation air quantity, increase determines frequency wind in opening or closed mode
Machine quantity, while adjusting the rotating speed of frequency conversion fan so that current total blast volume keeps constant, then redirects execution step 2.Preferably,
In step 4, determine frequency blower fan quantity of the increase in opening includes：If it is desire to air quantity is more than current total blast volume, then open again
Open at least one set and determine frequency blower fan.Preferably, in step 4, increasing the frequency blower fan quantity of determining being closed includes：If it is desire to
Air quantity is less than current total blast volume, then that closes that at least one set is currently at opening determines frequency blower fan.
Determine frequency blower fan for example, can increase and be turned on and off one group, meanwhile, change the rotating speed of frequency conversion fan, so that total wind
Amount keeps constant.By this step, the rotating speed of frequency conversion fan can be made to revert in adjustable range of speeds.So, when again
During secondary execution step 2, the rotating speed of frequency conversion fan just can be adjusted merely by, the linear regulation to total blast volume is realized.
By above-mentioned technical proposal, the present invention is during total blast volume is adjusted, by frequency conversion fan and the control for determining frequency blower fan
System combines, and makes total blast volume that linear change be presented during regulation, realizes the step-less adjustment to total blast volume, from
And make total air volume control steady, it is ensured that the even running and regulation of air-conditioner set.This way it is possible to avoid there is prior art
In, when determining frequency blower fan according to condition start-stop, the problem of total blast volume phase step type mutation occurs by the air quantity for determining frequency blower fan also avoids
The problem of heat exchange amount of complete machine is increasedd or decreased by the ability phase step type for determining frequency blower fan.
Preferably, step 2 includes：If it is desire to air quantity is more than current total blast volume, then increase the rotating speed of frequency conversion fan；With/
Or if it is desire to air quantity then reduces the rotating speed of frequency conversion fan less than current total blast volume.For example, when needing total blast volume to increase
When direction is adjusted, then increase the rotating speed of frequency conversion fan；When needing to adjust total blast volume to the direction of reduction, then frequency conversion wind is reduced
The rotating speed of machine.
Present invention also offers refer to Fig. 5, a kind of air-conditioner set fan controller, the present apparatus is above-mentioned for realizing
Method.
The air-conditioner set fan controller includes：Acquisition module 10, air quantity is expected for obtaining；First control module
20, for keep determine frequency fan condition it is constant in the case of, adjust frequency conversion fan rotating speed so that air-conditioner set it is current always
Air quantity changes to expectation air quantity；Judge module 30, for determining when the rotating speed of frequency conversion fan has been adjusted to limit speed,
Whether current total blast volume reaches expectation air quantity；Second control module 40, for when current total blast volume is not up to expectation air quantity, increasing
Plus determine frequency blower fan quantity in opening or closed mode, while adjusting the rotating speed of frequency conversion fan so that current total blast volume is protected
Hold constant, then redirect the first control module 20 of execution.
Preferably, when the rotating speed of frequency conversion fan is adjusted to the direction of increase, the highest that limit speed refers to variable-frequency motor turns
Speed；When the rotating speed of frequency conversion fan is adjusted to the direction of reduction, limit speed refers to the minimum speed of variable-frequency motor.
By above-mentioned technical proposal, the present invention is during total blast volume is adjusted, by frequency conversion fan and the control for determining frequency blower fan
System combines, and makes total blast volume that linear change be presented during regulation, realizes the step-less adjustment to total blast volume, from
And make total air volume control steady, it is ensured that the even running and regulation of air-conditioner set.This way it is possible to avoid there is prior art
In, when determining frequency blower fan according to condition start-stop, the problem of total blast volume phase step type mutation occurs by the air quantity for determining frequency blower fan also avoids
The problem of heat exchange amount of complete machine is increasedd or decreased by the ability phase step type for determining frequency blower fan.
Preferably, the first control module 20 includes：First submodule 21, for expecting air quantity more than current total blast volume
When, increase the rotating speed of frequency conversion fan；And/or second submodule 22, for when it is expected that air quantity is less than current total blast volume, reduction to become
The rotating speed of frequency blower fan.
Preferably, the second control module 40 includes：Opening module 41, for expect air quantity be more than current total blast volume when,
It is then turned at least one set and determines frequency blower fan.Preferably, the second control module 40 includes：Closedown module 42, for it is expected that air quantity is small
When current total blast volume, that closes that at least one set is currently at opening determines frequency blower fan.It is turned on and off for example, can increase
One group is determined frequency blower fan, meanwhile, change the rotating speed of frequency conversion fan, so that total blast volume keeps constant.By this step, frequency conversion can be made
The rotating speed of blower fan is revert in adjustable range of speeds.So, when performing step 2 again, frequency conversion can be just adjusted merely by
The rotating speed of blower fan, realizes the linear regulation to total blast volume.
Below, the increased control process of total blast volume in the present invention is specifically described.
In the increased control process of total blast volume, keep the state for determining frequency blower fan constant first, and increase frequency conversion fan
Rotating speed.After maximum (top) speed Nb is arrived in frequency conversion fan regulation, if also needing to increase air quantity, increase opens one group and determines frequency blower fan
Nd, while the rotating speed of frequency conversion fan is transferred into suitable rotating speed N1, so that N1+Nd=Nb, i.e. total blast volume keep constant.Then,
Increase/reduce the demand of air quantity further according to air-conditioner set, adjust the rotating speed of frequency conversion fan.
In the control process of total blast volume reduction, first, keep the state for determining frequency blower fan constant, and adjust reduction frequency conversion wind
The rotating speed of machine.After frequency conversion fan regulation is to minimum speed, if also needing to reduce air quantity, increase closes one group and determines frequency blower fan
Nd, while the rotating speed of frequency conversion fan is transferred into suitable rotating speed N2, so that N2=Nd, i.e. total blast volume keep constant.Then root then,
The demand for increasing/reducing air quantity according to unit adjusts the rotating speed of frequency conversion fan.
So, control of the present invention by frequency conversion fan with determining frequency blower fan combines, and realizes the steady nothing of total blast volume
Level regulation, the regulation change schematic diagram of its total blast volume is as shown in Figure 4.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of air-conditioner set blower control method, it is characterised in that including：
Step 1, obtain and expect air quantity；
Step 2, keep determine frequency fan condition it is constant in the case of, adjust frequency conversion fan rotating speed so that air-conditioner set ought
Preceding total blast volume changes to the expectation air quantity；
Step 3, it is determined that when the rotating speed of the frequency conversion fan has been adjusted to limit speed, whether the current total blast volume reaches
To the expectation air quantity；
Step 4, when the current total blast volume is not up to the expectation air quantity, institute of the increase in opening or closed mode
State and determine frequency blower fan quantity, while adjusting the rotating speed of the frequency conversion fan so that the current total blast volume keeps constant, then redirect
Perform step 2.
2. air-conditioner set blower control method according to claim 1, it is characterised in that the step 2 includes：
If the expectation air quantity is more than the current total blast volume, increase the rotating speed of the frequency conversion fan；And/or
If the expectation air quantity is less than the current total blast volume, the rotating speed of the frequency conversion fan is reduced.
3. air-conditioner set blower control method according to claim 1, it is characterised in that when the rotating speed of the frequency conversion fan
When being adjusted to the direction of increase, the limit speed refers to the maximum speed of the variable-frequency motor；When the rotating speed of the frequency conversion fan
When being adjusted to the direction of reduction, the limit speed refers to the minimum speed of the variable-frequency motor.
4. air-conditioner set blower control method according to claim 1, it is characterised in that in the step 4, increase is in
The described of opening determines frequency blower fan quantity and included：
If the expectation air quantity is more than the current total blast volume, it is then turned at least one set of described determining frequency blower fan.
5. air-conditioner set blower control method according to claim 1, it is characterised in that in the step 4, increase is in
The described of closed mode determines frequency blower fan quantity and included：
If the expectation air quantity is less than the current total blast volume, closes at least one set and be currently at the described fixed of opening
Frequency blower fan.
6. a kind of air-conditioner set fan controller, it is characterised in that including：
Acquisition module (10), air quantity is expected for obtaining；
First control module (20), for keep determine frequency fan condition it is constant in the case of, regulation frequency conversion fan rotating speed, with
The current total blast volume of air-conditioner set is set to change to the expectation air quantity；
Judge module (30), it is described current for determining when the rotating speed of the frequency conversion fan has been adjusted to limit speed
Whether total blast volume reaches the expectation air quantity；
Second control module (40), for when the current total blast volume is not up to the expectation air quantity, increase to be in unlatching shape
State or the described of closed mode determine frequency blower fan quantity, while adjusting the rotating speed of the frequency conversion fan so that the current total blast volume is protected
Hold constant, then redirect execution first control module (20).
7. air-conditioner set fan controller according to claim 6, it is characterised in that first control module (20)
Including：
First submodule (21), for when the expectation air quantity is more than the current total blast volume, increasing the frequency conversion fan
Rotating speed；And/or
Second submodule (22), for when the expectation air quantity is less than the current total blast volume, reducing the frequency conversion fan
Rotating speed.
8. air-conditioner set fan controller according to claim 6, it is characterised in that when the rotating speed of the frequency conversion fan
When being adjusted to the direction of increase, the limit speed refers to the maximum speed of the variable-frequency motor；When the rotating speed of the frequency conversion fan
When being adjusted to the direction of reduction, the limit speed refers to the minimum speed of the variable-frequency motor.
9. air-conditioner set fan controller according to claim 6, it is characterised in that second control module (40)
Including：
Opening module (41), for when the expectation air quantity is more than the current total blast volume, it to be at least one set of described fixed to be then turned on
Frequency blower fan.
10. air-conditioner set fan controller according to claim 6, it is characterised in that second control module
(40) include：
Closedown module (42), for when the expectation air quantity is less than the current total blast volume, closing at least one set and being currently at
The described of opening determines frequency blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410831545.7A CN104596054B (en) | 2014-12-26 | 2014-12-26 | Air-conditioner set blower control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410831545.7A CN104596054B (en) | 2014-12-26 | 2014-12-26 | Air-conditioner set blower control method and device |
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| Publication Number | Publication Date |
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| CN104596054A CN104596054A (en) | 2015-05-06 |
| CN104596054B true CN104596054B (en) | 2017-10-31 |
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| CN201410831545.7A Active CN104596054B (en) | 2014-12-26 | 2014-12-26 | Air-conditioner set blower control method and device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052008A (en) * | 2016-05-20 | 2016-10-26 | 弗德里希新能源科技(杭州)股份有限公司 | Adjusting method for condensation temperature and evaporation temperature during unit operation |
| CN106593920A (en) * | 2016-12-23 | 2017-04-26 | 广东申菱环境系统股份有限公司 | Novel fan wall and fan combination structure and control method thereof |
| CN110979367B (en) * | 2019-12-11 | 2022-04-05 | 山东朗进科技股份有限公司 | Control method of condensing fan of air conditioning unit |
| CN111780377B (en) * | 2020-06-16 | 2021-07-09 | 珠海格力电器股份有限公司 | Fan rotating speed control method and device and air conditioning equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59127592A (en) * | 1983-01-07 | 1984-07-23 | Mitsubishi Heavy Ind Ltd | Vvvf controller |
| JPS608498A (en) * | 1983-06-27 | 1985-01-17 | Mitsubishi Electric Corp | Air flow controller |
| JP2006162214A (en) * | 2004-12-10 | 2006-06-22 | Matsushita Electric Ind Co Ltd | Air conditioner |
| CN103925755B (en) * | 2013-01-16 | 2016-06-08 | 珠海格力电器股份有限公司 | Refrigeration system condensation side blower fan group method for controlling of operation |
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| CN104596054A (en) | 2015-05-06 |
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Inventor after: Tan Jianming Inventor after: Yang Jun Inventor after: Chen Wanxing Inventor after: Qin Jianjun Inventor after: Cheng Jianjun Inventor after: Sun Yali Inventor before: Yang Jun Inventor before: Chen Wanxing Inventor before: Qin Jianjun Inventor before: Cheng Jianjun Inventor before: Sun Yali |
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