CN109506332B - Air speed control method and device of air conditioning system and electronic equipment - Google Patents
Air speed control method and device of air conditioning system and electronic equipment Download PDFInfo
- Publication number
- CN109506332B CN109506332B CN201811199133.0A CN201811199133A CN109506332B CN 109506332 B CN109506332 B CN 109506332B CN 201811199133 A CN201811199133 A CN 201811199133A CN 109506332 B CN109506332 B CN 109506332B
- Authority
- CN
- China
- Prior art keywords
- return air
- air temperature
- temperature difference
- adjusting
- wind speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- F24F11/77—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 by controlling the speed of ventilators
-
- 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
- F24F11/84—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 using valves
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application relates to the technical field of air conditioners, in particular to a wind speed control method and device of an air conditioning system and electronic equipment. The wind speed control method of the air conditioning system comprises the following steps: acquiring a current return air temperature difference value of an air conditioning system; if the current return air temperature difference is smaller than the first difference threshold value, sending an instruction for adjusting the opening degree of the cooling water control valve so as to control the current return air temperature difference to reach the target return air temperature difference; and if the current return air temperature difference is greater than or equal to the first difference threshold, sending an instruction for adjusting the opening of the cooling water control valve to the maximum, and sending an instruction for adjusting the air speed of the fan to control the current return air temperature difference to reach the target return air temperature difference. Through the scheme that this application provided, be favorable to reducing the energy consumption of adjustment return air temperature difference in-process, extension air conditioning system's life, this scheme can be arranged in the environmental management in spaces such as computer lab.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to a wind speed control method and device of an air conditioning system and electronic equipment.
Background
In the environment that needs to keep humiture relatively stable such as computer lab, the load volume in the computer lab is often in the state of changing, and the change of load volume can arouse the change of environment humiture, can cause the temperature imbalance in the computer lab very likely to lead to serious accident. Therefore, it is necessary to take certain control measures to control the environmental temperature to be relatively stable according to the change of the load amount.
In the prior art, a fan is usually adopted to fix full-speed wind speed, the temperature is adjusted by adjusting the opening of a cooling water adjusting valve, and because the fan fixes full-speed wind speed, a blower operates at a fixed frequency, the rotating speed cannot be automatically adjusted according to load change, and the energy consumption is high; secondly, the constant air volume control ensures the balance of load supply and demand by adjusting a chilled water valve to change the heat exchange volume of a cold water coil, but causes frequent change of air supply temperature, so that the air supply temperature fluctuates frequently, and the temperature near an air supply outlet changes greatly.
In conclusion, the prior art has the defects of high energy consumption and large temperature change.
Disclosure of Invention
The application provides a wind speed control method and device of an air conditioning system and electronic equipment, and aims to solve the problems of high energy consumption and large temperature change in the air conditioning adjustment process. The technical scheme is as follows:
the embodiment of the application firstly provides a wind speed control method of an air conditioning system, which comprises the following steps:
acquiring a current return air temperature difference value of an air conditioning system;
if the current return air temperature difference is smaller than the first difference threshold value, sending an instruction for adjusting the opening degree of the cooling water control valve so as to control the current return air temperature difference to reach the target return air temperature difference;
and if the current return air temperature difference is greater than or equal to the first difference threshold, sending an instruction for adjusting the opening of the cooling water control valve to the maximum, and sending an instruction for adjusting the air speed of the fan to control the current return air temperature difference to reach the target return air temperature difference.
Preferably, the wind speed control method further includes:
if the current return air temperature difference is larger than or equal to the second difference threshold value, sending instructions for adjusting the opening of the cooling water control valve to be maximum and adjusting the wind speed of the fan to be maximum so as to control the current return air temperature difference to reach the target return air temperature difference; wherein the first difference threshold is less than a second difference threshold.
Preferably, the wind speed control method further includes:
performing proportional integral differential regulation on the wind speed of the fan and/or the opening of the cooling water control valve by negative feedback according to the return air temperature difference of the air conditioner to obtain the opening of the cooling water control valve or the adjustment of the wind speed of the fan;
and converting the adjustment amount into an adjustment amount instruction of the opening of the cooling water control valve or the wind speed of the fan.
Preferably, the step of issuing a command to adjust the opening degree of the cooling water control valve if the current return air temperature difference is smaller than the first difference threshold includes:
if the current return air temperature difference is smaller than a first difference threshold value, sending an instruction for adjusting the opening degree of the cooling water control valve according to a preset adjusting sequence;
detecting whether the adjusted return air temperature difference is adjusted to be within a target return air temperature difference;
and if so, sending a command for keeping the opening size of the current cooling water control valve.
Preferably, the step of sending an instruction for adjusting the opening degree of the cooling water control valve to the maximum and an instruction for adjusting the wind speed of the fan if the current return air temperature difference is greater than or equal to the first difference threshold includes:
if the current return air temperature difference is larger than or equal to a first difference threshold value, sequentially sending an instruction for adjusting the opening of the cooling water control valve to be maximum and adjusting the wind speed of the fan according to a preset adjusting sequence;
detecting whether the adjusted return air temperature difference reaches the target return air temperature difference or not according to a preset detection period;
and if so, sending an instruction for keeping the current wind speed of the fan.
Preferably, the step of obtaining the current return air temperature difference of the air conditioning system includes:
detecting the return air temperature of the current air-conditioning system, and calling the set temperature of the current air-conditioning system;
and the difference value between the return air temperature and the set temperature is the current return air temperature difference value.
Preferably, the first difference threshold is 1.5 ℃ and the second difference threshold is 1.5-4 ℃.
Further, the present application also provides an air speed control device of an air conditioning system, including:
the acquisition module is used for acquiring the current return air temperature difference of the air conditioning system;
the first adjusting module is used for sending an instruction for adjusting the opening degree of the cooling water control valve if the current return air temperature difference value is smaller than a first difference value threshold value, so as to control the current return air temperature difference to be within the target return air temperature difference;
and the second adjusting module is used for sending an instruction for adjusting the opening of the cooling water control valve to the maximum and sending an instruction for adjusting the wind speed of the fan if the current return air temperature difference is greater than or equal to the first difference threshold value, so as to control the current return air temperature difference to reach the target return air temperature difference.
Furthermore, an embodiment of the present application also provides an electronic device, which includes:
one or more processors;
a memory;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more applications configured to: the wind speed control method of the air conditioning system according to any one of the above technical solutions is executed.
Furthermore, an embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium is used for storing computer instructions, and when the computer instructions are run on a computer, the computer is caused to execute the wind speed control method of the air conditioning system according to any one of the above-mentioned technical solutions.
Compared with the prior art, the scheme provided by the application has the following advantages:
according to the air speed control method of the air conditioning system, different adjustment strategies are corresponded according to the size of the current return air temperature difference value and the set difference threshold value, when the current return air temperature difference value is smaller than the first difference threshold value, the opening degree of the cooling water control valve is adjusted, when the return air temperature difference value is increased to exceed the first difference threshold value, the air speed of the fan is adjusted, if the return air temperature difference value does not exceed the first difference threshold value, the air speed of the fan does not need to be adjusted, only the cooling water control valve is adjusted to control the return air temperature difference, the power consumption generated by adjusting the air speed of the fan is favorably reduced, and the service life of the air conditioner can be prolonged.
According to the air speed control method of the air conditioning system, negative feedback is carried out through the return air temperature difference, the detected return air temperature difference feedback value fan air speed and the control end of the cooling water control valve are sent in real time, once the return air temperature difference is detected to reach the target return air temperature difference, an instruction for keeping the corresponding fan air speed or the corresponding opening degree of the cooling water control valve is sent, the problems of excessive adjustment and adjustment back are avoided, the temperature adjustment process is gradually adjusted, the temperature can be prevented from being suddenly increased or decreased, frequent temperature fluctuation is avoided, and the user experience in an air conditioning space is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments of the present application will be briefly described below.
Fig. 1 is a schematic flow chart of a wind speed control method of an air conditioning system according to an embodiment of the present application;
fig. 2 is a schematic flowchart illustrating a process of issuing a command for adjusting the opening of the cooling water control valve if the current return air temperature difference is smaller than the first difference threshold according to the embodiment of the present application;
fig. 3 is a schematic flow chart illustrating a command for adjusting the opening of the cooling water control valve to the maximum and a command for adjusting the wind speed of the fan are issued if the current return air temperature difference is greater than or equal to the first difference threshold according to the embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an air speed control device of an air conditioning system according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
In one embodiment, a flow schematic diagram of the wind speed control method of the air conditioning system is shown in fig. 1, and includes the following steps:
s110, acquiring a current return air temperature difference value of the air conditioning system;
the return air temperature difference is the temperature difference between the return air temperature of the air conditioning system and the set temperature.
In one embodiment, the step of obtaining the current return air temperature difference of the air conditioning system includes: detecting the return air temperature of the current air-conditioning system, and calling the set temperature of the current air-conditioning system; and the difference value between the return air temperature and the set temperature is the current return air temperature difference value.
The return air temperature represents the actual temperature of the space where the current air-conditioning system is located, for example, in the scheme provided by this embodiment, it is detected that the return air temperature of the current air-conditioning system is T1, and the set temperature of the current air-conditioning system is T2, then the current return air temperature difference of the air-conditioning system is (T1-T2), if the current return air temperature difference is a positive value, it is determined that the actual temperature is higher than the set temperature, and if the current return air temperature difference is a negative value, it is determined that the actual temperature is lower than the set temperature.
Compared with the scheme that only the return air temperature is used as the judgment basis, the return air temperature difference is used as the judgment basis, the opening degree adjustment quantity and the fan air speed adjustment quantity of the cooling water control valve are more accurate, and a better control effect is achieved.
In one embodiment, before the step of obtaining the current return air temperature difference of the air conditioning system, the method further includes: and detecting that the refrigerating capacity of the air conditioner changes.
The scheme provided by the embodiment is that the change of the cooling capacity of the air conditioner is used as a trigger event of the air speed control scheme, the change of the cooling capacity of the air conditioner is detected to obtain the current return air temperature difference value of the air conditioning system, and the air speed of the air conditioning system and the opening degree of the cooling water control valve are controlled according to the return air temperature difference value.
And S120, if the current return air temperature difference is smaller than the first difference threshold, sending an instruction for adjusting the opening degree of the cooling water control valve so as to control the current return air temperature difference to reach the target return air temperature difference.
The first difference threshold is a preset threshold of the return air temperature difference, the threshold can be obtained by continuous exploration in actual production operation, and an optimized first difference threshold can be obtained by establishing a wind speed control model for a wind speed control scheme and optimizing the wind speed control model.
Preferably, in the embodiment of the present application, the first difference threshold is set to 1.5 ℃, that is, when it is detected that the current return air temperature difference is smaller than 1.5 ℃, the return air temperature needs to be controlled, and the opening of the cooling water control valve is adjusted, so that the return air temperature is adjusted by controlling the size of the cooling water control valve. The first difference threshold value is set to be 1.5 ℃, the temperature difference of a space regulated by an air conditioning system is small, the influence on objects or people in the space is small, in order to reduce the energy consumption of the air conditioner and the loss of the air conditioning system, when the return air temperature difference value is lower than 1.5 ℃, the adjustment is not performed temporarily, if the value is higher than the threshold value, the adverse effect on the objects in the space can be generated, if the temperature in a machine room is continuously increased, the body feeling of people is influenced, and under the condition, a control measure is started to adjust the return air temperature difference.
In one embodiment, the step of issuing a command to adjust the opening of the cooling water control valve if the current return air temperature difference is smaller than the first difference threshold value is shown in fig. 2, and includes:
and S210, if the current return air temperature difference is smaller than the first difference threshold value, sending an instruction for adjusting the opening degree of the cooling water control valve according to a preset adjusting sequence.
Before step S210, the method further includes: and judging whether the current return air temperature difference is smaller than a first difference threshold value. If the current return air temperature difference is smaller than a first difference threshold value, determining an adjusting sequence according to the condition of the return air temperature difference, if the return air temperature difference is a positive value, namely the return air temperature is higher than a set temperature, wherein the adjusting sequence is to increase the opening degree of the cooling water control valve and send an instruction of increasing the opening degree of the cooling water control valve; if the return air temperature difference is a negative value, namely the return air temperature is lower than the set temperature, the adjusting sequence is to reduce the opening of the cooling water control valve and send out an instruction of reducing the opening of the cooling water control valve.
And S220, detecting whether the adjusted return air temperature difference is adjusted to be within the target return air temperature difference.
And detecting whether the adjusted return air temperature difference is adjusted to be within a target return air temperature difference, wherein in one embodiment, the detection is performed regularly according to a preset period or in real time. The cooling water control valve is adjusted in response to an instruction for adjusting the opening degree of the cooling water control valve, and whether the adjusted return air temperature difference is adjusted to be within a target return air temperature difference is detected, wherein the target return air temperature difference can be set according to actual conditions, and the target return air temperature difference can be set to be 1.5 ℃ as provided in the above embodiment.
And S230, if so, sending a command for keeping the opening of the current cooling water control valve.
And if the adjusted return air temperature difference is detected to be adjusted to the target return air temperature difference, sending an instruction for keeping the opening of the current cooling water control valve, and responding to the instruction, wherein the cooling water control valve does not continuously adjust according to the preset adjusting sequence but keeps the opening of the current cooling water control valve.
In one embodiment, the step of sending an instruction to adjust the opening of the cooling water control valve if the current return air temperature difference is smaller than the first difference threshold further includes: if not, sending out an instruction for adjusting the opening degree of the cooling water control valve along the preset adjusting sequence.
According to the scheme provided by the embodiment, the opening degree of the cooling water control valve is adjusted when the current return air temperature difference is smaller than the first difference threshold value, the adjusted return air temperature difference is continuously detected in the adjusting process, the adjustment is stopped if the return air temperature difference is detected to be adjusted to the target return air temperature difference, and the cooling water control valve is continuously adjusted if the return air temperature difference is detected not to be adjusted to the target return air temperature difference. The gradual adjustment of the return air temperature difference is realized, the overshoot is avoided, the return air temperature needs to be adjusted after the overshoot is detected, the return air temperature is repeated due to the overshoot and the return, and the cold and the hot in the space regulated by the air conditioning system and the poor body feeling of a user are reduced.
In one embodiment, after step S120, the method further includes: and detecting whether the current return air temperature difference is larger than a first difference threshold value, if so, executing a step S130.
And S130, if the current return air temperature difference is greater than or equal to the first difference threshold, sending an instruction for adjusting the opening of the cooling water control valve to the maximum, and sending an instruction for adjusting the wind speed of the fan to control the current return air temperature difference to reach the target return air temperature difference.
In one embodiment, if the current return air temperature difference is greater than or equal to the first difference threshold, the step of sending a command for adjusting the opening of the cooling water control valve to the maximum and sending a command for adjusting the wind speed of the fan is performed, and a flow chart of the step is shown in fig. 3, and includes the following sub-steps:
and S310, if the difference value of the current return air temperature is larger than or equal to the first difference threshold value, sequentially sending an instruction for adjusting the opening of the cooling water control valve to be maximum and adjusting the wind speed of the fan according to a preset adjusting sequence.
Detecting that the current return air temperature difference is greater than or equal to a first difference threshold value, wherein the method comprises the following two conditions: firstly, before step S210, it is determined whether the current return air temperature difference is smaller than a first difference threshold, and the determination result of this step is that the current return air temperature difference is greater than or equal to the first difference threshold, and secondly, after the opening degree of the cooling water control valves is adjusted according to a preset adjustment sequence, it is detected that the current return air temperature difference is greater than or equal to the first difference threshold.
If the first situation is the first situation, firstly sending an instruction for adjusting the opening degree of the cooling water control valve to the maximum, responding to the instruction, adjusting the opening degree of the cooling water control valve to the maximum, then adjusting the wind speed of the fan according to a preset adjusting sequence, if the second situation is the second situation, the current opening degree of the cooling water control valve is opened to the maximum, keeping the current opening degree of the cooling water control valve, wherein the adjusting sequence is related to the return air temperature difference, and if the return air temperature difference is a positive value, namely the return air temperature is higher than a set temperature, the adjusting sequence is to increase the wind speed of the fan, and sending an instruction for increasing the fan dispersion; if the return air temperature difference is a negative value, namely the return air temperature is lower than the set temperature, the adjustment sequence is to reduce the wind speed of the fan and send out an instruction of reducing the wind speed of the fan.
And S320, detecting whether the adjusted return air temperature difference reaches the target return air temperature difference or not according to a preset detection period.
And detecting whether the adjusted return air temperature difference is adjusted to the target return air temperature difference, wherein the detection can be carried out at regular time according to a preset period or in real time. And adjusting the cooling water control valve in response to an instruction for adjusting the wind speed of the fan, and detecting whether the adjusted return air temperature difference is adjusted to a target return air temperature difference, wherein the target return air temperature difference can be set according to an actual situation, and preferably, the target return air temperature difference can be set to be 1.5 ℃.
And S330, if so, sending an instruction for keeping the current wind speed of the fan.
And if the adjusted return air temperature difference is detected to be adjusted to the target return air temperature difference, sending an instruction for keeping the air speed of the fan, responding to the instruction, and keeping the air speed of the fan at the current air speed instead of continuously adjusting according to the preset adjusting sequence.
In one embodiment, the step of sending an instruction to adjust the opening of the cooling water control valve to the maximum and sending an instruction to adjust the wind speed of the fan if the current return air temperature difference is greater than or equal to the first difference threshold further includes: and if not, sending an instruction for adjusting the wind speed of the fan along a preset adjusting sequence.
According to the scheme provided by the embodiment, when the current return air temperature difference is detected to be larger than or equal to the first difference threshold value, the opening degree of the cooling water control valve is firstly adjusted to be the largest, and then the air speed of the fan is adjusted. The inventor of the application discovers in the practical process that in a certain practical situation, the opening degree of the cooling water control valve is controlled to be 60%, the energy consumption is 5.5KW under the condition that the wind speed of the fan is the maximum, and the opening degree of the cooling water control valve of the air conditioning system is controlled to be 100% by using the scheme provided by the application under the condition of the same refrigerating capacity, the wind speed of the fan is general of the maximum wind speed of the fan, and the energy consumption is 1.6KW, so that the energy consumption is reduced by about two thirds.
In one embodiment, the wind speed control method further comprises: performing proportional integral differential regulation on the wind speed of the fan and/or the opening of the cooling water control valve by negative feedback according to the return air temperature difference of the air conditioner to obtain the opening of the cooling water control valve or the adjustment of the wind speed of the fan;
and converting the adjustment amount into an adjustment amount instruction of the opening of the cooling water control valve or the wind speed of the fan.
According to the scheme provided by the embodiment, after the opening degree of the cooling water control valve or the air speed of the fan is adjusted each time, negative feedback quantity is made according to the currently detected return air temperature difference, Proportional Integral Derivative (PID) adjustment is performed on the air speed of the fan or the opening degree of the cooling water control valve, and fine adjustment is performed on the air speed of the fan or the opening degree of the cooling water control valve, so that the adjusted return air temperature difference value is closer to the target return air temperature difference.
In one embodiment, the wind speed control method further comprises: if the current return air temperature difference is larger than or equal to the second difference threshold value, sending instructions for adjusting the opening of the cooling water control valve to be maximum and adjusting the wind speed of the fan to be maximum so as to control the current return air temperature difference to reach the target return air temperature difference; wherein the first difference threshold is less than a second difference threshold.
According to the scheme provided by the embodiment, when the difference value of the current return air temperature is greater than or equal to the second difference threshold value, the cooling water control valve and the fan are adjusted to have the maximum wind speed, so that the current return air temperature can be quickly adjusted.
The application is preferred the first difference threshold value be 1.5 ℃, the second difference threshold value be 1.5 ℃ -4 ℃, when present return air temperature difference is less than 1.5 ℃, adjust the return air temperature through adjusting the cooling water control valve, if the aperture of cooling water control valve is the biggest, detect that present return air temperature difference is greater than first difference threshold value and is less than second difference threshold value, then it is the biggest to keep cooling water control valve aperture, adjust the fan wind speed, when the fan wind speed adjusts to the biggest, detect that present return air temperature difference is greater than second difference threshold value, then it is the biggest to keep the aperture of cooling water control valve and fan wind speed, in order to adjust the return air temperature difference to the target return air difference as soon as possible.
The air speed control scheme of the air conditioning system provided by the embodiment of the application corresponds to different adjustment strategies according to the size of the current return air temperature difference value, when the current return air temperature difference value is smaller than the first difference threshold value, the opening degree of the cooling water control valve is adjusted, when the return air temperature difference value is increased to exceed the first difference threshold value, the air speed of the fan is adjusted, if the return air temperature difference value does not exceed the first difference threshold value, the air speed of the fan does not need to be adjusted, the reduction of the power consumption generated by adjusting the air speed of the fan is facilitated, and the service life of the air conditioner is prolonged.
Further, the embodiment of the present application also provides an air speed control device of an air conditioning system, including: the structure of the obtaining module 410, the first adjusting module 420, and the second adjusting module 430 is schematically shown in fig. 4.
An obtaining module 410, configured to obtain a current return air temperature difference of the air conditioning system;
the first adjusting module 420 is configured to send an instruction for adjusting the opening degree of the cooling water control valve if the current return air temperature difference is smaller than a first difference threshold value, so as to control the current return air temperature difference to reach the target return air temperature difference;
and the second adjusting module 430 is configured to send an instruction for adjusting the opening of the cooling water control valve to the maximum if the current return air temperature difference is greater than or equal to the first difference threshold, and send an instruction for adjusting the wind speed of the fan, so as to control the current return air temperature difference to reach the target return air temperature difference.
The first adjusting module 420 further includes: the device comprises a cooling water adjusting unit, a first detecting unit and a first holding unit.
The cooling water adjusting unit is used for sending an instruction for adjusting the opening degree of the cooling water control valve according to a preset adjusting sequence if the current return air temperature difference is smaller than a first difference threshold value;
the first detection unit is used for detecting whether the adjusted return air temperature difference is adjusted to be within a target return air temperature difference;
and the first holding unit is used for sending out an instruction for holding the opening size of the current cooling water control valve if the current cooling water control valve is opened.
The second adjusting module 430 further includes: the wind speed adjusting unit comprises a fan wind speed adjusting unit, a second detecting unit and a second keeping unit.
The fan speed adjusting unit is used for sequentially sending an instruction for adjusting the opening degree of the cooling water control valve to be maximum and adjusting the fan speed according to a preset adjusting sequence if the current return air temperature difference is greater than or equal to a first difference threshold;
the second detection unit is used for detecting whether the adjusted return air temperature difference reaches the target return air temperature difference or not according to a preset detection period;
and the second holding unit is used for sending an instruction for holding the current wind speed of the fan if the current wind speed of the fan is the same as the current wind speed of the fan.
With regard to the wind speed control device of the air conditioning system in the above-mentioned embodiment, the specific manner in which each module and unit performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated herein.
Further, an embodiment of the present application also provides an electronic device, which includes:
one or more processors;
a memory;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more applications configured to: executing the steps of the wind speed control method of the air conditioning system according to any one of the above technical solutions. In an embodiment, a schematic structural diagram of the electronic device is shown in fig. 5, and the electronic device 500 shown in fig. 5 includes: a processor 501 and a memory 503. Wherein the processor 501 is coupled to the memory 503, such as via the bus 502. Optionally, the electronic device 500 may also include a transceiver 504. It should be noted that the transceiver 504 is not limited to one in practical applications, and the structure of the electronic device 500 is not limited to the embodiment of the present application.
The processor 501 may be a CPU, general purpose processor, DSP, ASIC, FPGA or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor 501 may also be a combination of implementing computing functionality, e.g., comprising one or more microprocessors, a combination of DSPs and microprocessors, and the like.
The memory 503 may be, but is not limited to, a ROM or other type of static storage device that can store static information and instructions, a RAM or other type of dynamic storage device that can store information and instructions, an EEPROM, a CD-ROM or other optical disk storage, optical disk storage (including compact disk, laser disk, optical disk, digital versatile disk, blu-ray disk, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
Optionally, the memory 503 is used for storing application program codes for executing the scheme of the present application, and the processor 501 controls the execution. The processor 501 is configured to execute the application program codes stored in the memory 503 to implement the steps of the wind speed control method of the air conditioning system provided in the above embodiments.
Further, an embodiment of the present application also provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the wind speed control method of the air conditioning system shown in the above embodiment are implemented.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. The wind speed control method of the air conditioning system is characterized by comprising the following steps:
acquiring a current return air temperature difference value of an air conditioning system, wherein the current return air temperature difference value is used for representing the temperature difference value between the return air temperature at the current moment and a set temperature;
if the current return air temperature difference is smaller than the first difference threshold value, sending an instruction for adjusting the opening degree of the cooling water control valve so as to control the current return air temperature difference to reach the target return air temperature difference;
if the current return air temperature difference is larger than or equal to the first difference threshold value, sending an instruction for adjusting the opening of the cooling water control valve to the maximum, and sending an instruction for adjusting the wind speed of the fan to control the current return air temperature difference to reach the target return air temperature difference;
if the current return air temperature difference is greater than or equal to the first difference threshold, sending an instruction for adjusting the opening of the cooling water control valve to the maximum and sending an instruction for adjusting the wind speed of the fan, wherein the step comprises the following steps of:
if the current return air temperature difference is larger than or equal to a first difference threshold value, sequentially sending an instruction for adjusting the opening of the cooling water control valve to be maximum and adjusting the wind speed of the fan according to a preset adjusting sequence; the preset adjusting sequence is to increase or decrease the wind speed of the fan.
2. The wind speed control method according to claim 1, further comprising:
if the current return air temperature difference is larger than or equal to the second difference threshold value, sending instructions for adjusting the opening of the cooling water control valve to be maximum and adjusting the wind speed of the fan to be maximum so as to control the current return air temperature difference to reach the target return air temperature difference; wherein the first difference threshold is less than a second difference threshold.
3. The wind speed control method according to claim 1, further comprising:
performing proportional integral differential regulation on the wind speed of the fan and/or the opening of the cooling water control valve by negative feedback according to the return air temperature difference of the air conditioner to obtain the opening of the cooling water control valve or the adjustment of the wind speed of the fan;
and converting the adjustment amount into an adjustment amount instruction of the opening of the cooling water control valve or the wind speed of the fan.
4. The method for controlling wind speed according to claim 1, wherein the step of issuing a command for adjusting the opening degree of the cooling water control valve if the current return air temperature difference is less than the first difference threshold value comprises:
if the current return air temperature difference is smaller than a first difference threshold value, sending an instruction for adjusting the opening degree of the cooling water control valve according to a preset adjusting sequence;
detecting whether the adjusted return air temperature difference is adjusted to be within a target return air temperature difference;
and if so, sending a command for keeping the opening size of the current cooling water control valve.
5. The wind speed control method according to claim 1, wherein the sequentially issuing of the instructions for adjusting the opening degree of the cooling water control valves to the maximum and adjusting the wind speed of the fan according to a preset adjustment sequence further comprises;
detecting whether the adjusted return air temperature difference reaches the target return air temperature difference or not according to a preset detection period;
and if so, sending an instruction for keeping the current wind speed of the fan.
6. The method for controlling the wind speed of an air conditioning system according to claim 1, wherein the step of obtaining the current return air temperature difference of the air conditioning system comprises:
detecting the return air temperature of the current air-conditioning system, and calling the set temperature of the current air-conditioning system;
and the difference value between the return air temperature and the set temperature is the current return air temperature difference value.
7. The method according to claim 2, wherein the first difference threshold is 1.5 ℃ and the second difference threshold is 1.5 ℃ to 4 ℃.
8. An air speed control device for an air conditioning system, comprising:
the system comprises an acquisition module, a storage module and a control module, wherein the acquisition module is used for acquiring a current return air temperature difference value of an air conditioning system, and the current return air temperature difference value is used for representing the temperature difference value between the return air temperature at the current moment and a set temperature;
the first adjusting module is used for sending an instruction for adjusting the opening degree of the cooling water control valve if the current return air temperature difference value is smaller than a first difference value threshold value, so as to control the current return air temperature difference to be within the target return air temperature difference;
the second adjusting module is used for sending an instruction for adjusting the opening of the cooling water control valve to the maximum and sending an instruction for adjusting the wind speed of the fan if the current return air temperature difference is greater than or equal to the first difference threshold value, so as to control the current return air temperature difference to be within the target return air temperature difference;
wherein the second adjusting module comprises: the fan wind speed adjusting unit is used for sequentially sending an instruction for adjusting the opening of the cooling water control valve to be maximum and adjusting the wind speed of the fan according to a preset adjusting sequence if the current return air temperature difference is greater than or equal to a first difference threshold; the preset adjusting sequence is to increase or decrease the wind speed of the fan.
9. An electronic device, comprising:
one or more processors;
a memory;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more applications configured to: the steps of performing the wind speed control method of the air conditioning system according to any one of claims 1 to 7.
10. A computer-readable storage medium for storing computer instructions which, when executed on a computer, cause the computer to perform the steps of the wind speed control method of an air conditioning system of any one of the above claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199133.0A CN109506332B (en) | 2018-10-15 | 2018-10-15 | Air speed control method and device of air conditioning system and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199133.0A CN109506332B (en) | 2018-10-15 | 2018-10-15 | Air speed control method and device of air conditioning system and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109506332A CN109506332A (en) | 2019-03-22 |
| CN109506332B true CN109506332B (en) | 2022-03-25 |
Family
ID=65746597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811199133.0A Active CN109506332B (en) | 2018-10-15 | 2018-10-15 | Air speed control method and device of air conditioning system and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109506332B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750507A (en) * | 2019-03-27 | 2020-10-09 | 南京南瑞继保电气有限公司 | Air conditioner tail end wind and water linkage adjusting system and adjusting method |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679497B (en) * | 2012-05-14 | 2014-09-24 | 广州市设计院 | Improved self-correcting variable parameter fan coil temperature control method and special equipment |
| CN104566768B (en) * | 2013-10-23 | 2019-12-17 | 珠海格力电器股份有限公司 | Control method of air conditioner and air conditioner |
| CN103940058B (en) * | 2014-03-31 | 2017-02-08 | 广东美的制冷设备有限公司 | Air conditioner, and control method and device thereof |
| CN105674472B (en) * | 2014-11-19 | 2019-04-02 | 维谛技术有限公司 | The refrigeration control method and device of computer room |
| US10962243B2 (en) * | 2014-12-22 | 2021-03-30 | Mitsubishi Electric Us, Inc. | Air conditioning system with dehumidification mode |
| US10088178B2 (en) * | 2015-05-05 | 2018-10-02 | MJC, Inc. | Multi-zone variable refrigerant flow heating/cooling unit |
| CN104990229B (en) * | 2015-07-28 | 2017-11-10 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method |
| US10281165B2 (en) * | 2016-01-26 | 2019-05-07 | Lennox Industries Inc. | Heating furnace using rapid response heat control mode |
| CN205425171U (en) * | 2016-02-28 | 2016-08-03 | 广州市设计院 | Fan coil temperature control device based on air return temperature and delivered air quantity control water valve aperture |
| ES2934137T3 (en) * | 2016-09-23 | 2023-02-17 | Daikin Ind Ltd | Air conditioning system and hot water supply |
| CN107621045A (en) * | 2017-10-23 | 2018-01-23 | 广东美的暖通设备有限公司 | Control method, air conditioner and the computer-readable recording medium of air conditioner |
| CN107894071B (en) * | 2017-10-27 | 2020-10-16 | 广东美的暖通设备有限公司 | Air conditioning system adjusting method and air conditioning system |
| CN107906686B (en) * | 2017-11-16 | 2019-11-29 | 珠海格力电器股份有限公司 | Rotating speed of air conditioner fan control method and air-conditioning system |
-
2018
- 2018-10-15 CN CN201811199133.0A patent/CN109506332B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109506332A (en) | 2019-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108790696B (en) | Temperature control method, temperature control device, electronic equipment and storage medium | |
| US6996999B2 (en) | Method and apparatus for controlling humidity with an air conditioner | |
| EP3708930B1 (en) | Air conditioner control method and device and air conditioner | |
| CN108917117B (en) | Air conditioner and control method and device thereof | |
| CN105953369A (en) | Control method and device for variable-frequency air conditioner | |
| CN110579010A (en) | Control method and control device for electronic expansion valve of multi-split internal machine and air conditioner | |
| CN111619312B (en) | Control method and control system for temperature of automobile air conditioner | |
| CN112665132B (en) | Air conditioning system, energy-saving control method and device for cooling side of air conditioning system and controller | |
| CN109506332B (en) | Air speed control method and device of air conditioning system and electronic equipment | |
| CN113137701B (en) | Method and device for controlling air conditioner and air conditioner | |
| CN105352119A (en) | Method and device for controlling refrigeration water system in air conditioner | |
| CN113007829B (en) | Air conditioner control method and device and air conditioner | |
| CN107917515B (en) | Operation control method, operation control device and air conditioner | |
| CN108507126B (en) | Fuzzy control method and device for chilled water of central air conditioner and air conditioner | |
| CN112161372B (en) | Air conditioner control method and device capable of effectively reducing noise and air conditioning unit | |
| CN111023402B (en) | Self-adaptive adjusting method of air conditioning system and air conditioner | |
| CN114061024A (en) | Control method and control device for defrosting of air conditioning system, controller and air conditioning system | |
| CN114704915B (en) | Control method and device of air conditioning system, air conditioning system and storage medium | |
| CN116182369A (en) | Method and device for controlling air outlet temperature of air conditioner, air conditioner and storage medium | |
| CN115235084A (en) | Control method and device of outdoor unit and air conditioner | |
| CN113551376A (en) | Air conditioner control method and device and air conditioning unit | |
| JP2020098055A (en) | Air conditioning device and program | |
| CN112484251B (en) | Air conditioner outdoor unit water supply temperature control method and device, controller and air conditioner | |
| CN114353278B (en) | Control method and device for embedded air conditioner and embedded air conditioner | |
| CN113639388B (en) | Method and device for controlling air outlet of air conditioner in machine room, air conditioner and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |