CN111271846A - Air conditioner control method for improving comfort degree of air conditioner - Google Patents

Air conditioner control method for improving comfort degree of air conditioner Download PDF

Info

Publication number
CN111271846A
CN111271846A CN201910647741.1A CN201910647741A CN111271846A CN 111271846 A CN111271846 A CN 111271846A CN 201910647741 A CN201910647741 A CN 201910647741A CN 111271846 A CN111271846 A CN 111271846A
Authority
CN
China
Prior art keywords
chamber
air conditioner
temperature
condition
air
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.)
Pending
Application number
CN201910647741.1A
Other languages
Chinese (zh)
Inventor
谢任强
秦宪
蒲彧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
Original Assignee
Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aux Air Conditioning Co Ltd, Ningbo Aux Electric Co Ltd filed Critical Aux Air Conditioning Co Ltd
Priority to CN201910647741.1A priority Critical patent/CN111271846A/en
Publication of CN111271846A publication Critical patent/CN111271846A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control 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
    • F24F11/77Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022Compressor control arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides an air conditioner control method for improving the comfort degree of an air conditioner. The air conditioner control part detects the indoor temperature, the air conditioner running temperature and the temperature deviation at a first sampling time point and a second sampling time point, and regulates the running parameters of the air conditioner according to the second temperature deviation and the change degree of the second temperature deviation relative to the first temperature deviation; the operation parameter comprises at least one of the indoor fan rotating speed R and the compressor frequency F. According to the technical scheme, the accurate air conditioner running state and the accurate environment state can be obtained, and the running parameters are adjusted according to the actual air conditioner running state and the actual environment state, so that the indoor temperature balance degree and the user experience are improved.

Description

Air conditioner control method for improving comfort degree of air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method for improving the comfort degree of an air conditioner.
Background
With the development of science and technology and the increasing improvement of the living standard of people, the air conditioner becomes an indispensable household appliance in the life of people. With the technology becoming mature and the competition becoming fierce, the quality requirements of the air conditioner for consumers are higher and higher.
The air conditioner in the market has a shortcoming that the air conditioner adjusts the heat load of the indoor environment in the operation process, however, the specific indoor environment of each user is different, for example, the room area of some users is large, and the air supply distance is limited, so that the room temperature is not uniform enough, the temperature in the room is uneven, and the comfort is poor.
In order to solve the problem, the air conditioner in the prior art can increase disturbance to the room air through a 3D stereoscopic air supply technology to drive the uniformity of the room temperature, but the air conditioner often has no specific direction.
Therefore, there is a need in the art for an air conditioner control method capable of specifically adjusting multiple parameters, such as the rotation speed of an air conditioner indoor unit, the wind direction of a wind deflector, and the air supply time, according to the actual operating condition of the air conditioner and the actual conditions of the environment, so as to achieve the effects of improving the temperature uniformity of the indoor environment and improving the air supply effect and the air supply efficiency.
Disclosure of Invention
The invention solves the problem of the indoor temperature TChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation T of bothRoom airAccurately judging the actual operation condition of the air conditioner and the actual condition of the indoor environment so as to reflect the cold output condition of the air conditioner and the heat load distribution of the room, and controlling the air conditioner according to the heat load distribution of the roomThe direction and the size of cold output are adjusted by changing the rotating speed R of an indoor fan or the frequency F of a compressor, and the operating parameters of the air conditioner are selectively adjusted to different degrees, so that the heat load uniformity of a room is effectively improved, and the comfort of the air conditioner is improved.
In order to solve the above problems, the present invention provides a control method for an air conditioner, which improves the comfort of the air conditioner.
The air conditioner control party is at a first sampling time point t1Upper, to indoor temperature TChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airDetecting to obtain a first indoor temperature TChamber 1The operating temperature T of the first air conditionerHollow 1And a first temperature deviation TRoom space 1Wherein the first temperature deviation TRoom space 1=TChamber 1-THollow 1
At a second sampling time t2Upper, to indoor temperature TChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airDetecting to obtain a second indoor temperature TChamber 2And the second air conditioner operating temperature THollow 2And a second temperature deviation TRoom space 2Wherein the second temperature deviation TRoom space 2=TChamber 2-THollow 2
According to the second temperature deviation TRoom space 2And a second temperature deviation TRoom space 2Relative to the first temperature deviation TRoom space 1Degree of change Δ T ofRoom airAdjusting the operation parameters of the air conditioner;
wherein the second temperature deviation TRoom space 2Relative to the first temperature deviation TRoom space 1Degree of change Δ T ofRoom air=TRoom space 2-TRoom space 1
The operation parameters comprise at least one of the indoor fan rotating speed R and the compressor frequency F;
adopts the temperature T at the air return inlet of the air conditionerGo back toOr the set temperature T of the air conditionerIs provided withAs the air conditioner operation temperature TAir conditioner
Air conditioner return air inlet temperature TGo back toAnd indoor temperature TChamberThere is a certain difference by which the second temperature deviation TRoom space 2And feeding back whether the return air of the air conditioner in the room is smooth or not. Indoor temperature TChamberAnd the set temperature T of the air conditionerIs provided withThe difference between the cold output and the indoor heat load can be fed back, so that guidance is provided for adjusting the operation parameters of the air conditioner. Therefore, according to the technical scheme, the rotating speed R of the indoor fan and the frequency F of the compressor can be reasonably adjusted according to the cold output condition of the air conditioner and the heat load distribution of a room, so that the comfort degree of the air conditioner is improved.
Furthermore, the measured area comprises a plurality of measured sub-areas A, B, C and D … … N which are not overlapped with each other, and the temperature of each measured sub-area is TA, TB and T in sequenceC、TD… … TN, the room temperature TChamberIs a temperature TA、TB、TC、TD……TNAverage value of (a).
Preferably, the temperature of the measured subregion is measured by infrared thermopile sensor detection. By testing the temperature of each measured subarea and taking the average value thereof as the indoor temperature TChamberThe indoor temperature condition can be objectively and reasonably reflected, so that the regulation of the rotating speed R of the indoor fan and the frequency F of the compressor is more reasonable.
Further, the operation parameters also comprise air supply time according to the indoor temperature TChamberAnd the temperatures T of 4 measured sub-regionsA、TB、TC、TDDifference value T ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TDAnd prolonging the air supply time of at least one of the areas A, B, C and D of the sub-area to be detected.
According to the technical scheme, the areas with higher temperature in each area are mainly supplied with air, so that the indoor temperature is ensured to be quickly balanced, and the comfort is improved.
Further, the temperature at the air return inlet of the air conditioner is adoptedTGo back toAs the air conditioner operating temperature TAir conditionerAnd, when the condition C is satisfied1Increasing the rotating speed R of the indoor fan when the condition C is met2Then reducing the rotating speed R of the indoor fan when the condition C is met3Then the compressor frequency F is reduced; condition C1Is TRoom space 2Is positive and Δ TRoom airIs positive, condition C2Is TRoom space 2Is negative and Δ TRoom airPositive or negative, condition C3Is TRoom space 2Is negative and Δ TRoom airPositive values.
The technical proposal is that the temperature T at the air return inlet of the air conditioner is determinedGo back toAnd indoor temperature TChamberThe difference of (2) is that the smooth degree of the return air adjusts the operation parameters of the air conditioner, and the smooth return air is ensured.
Further, an air conditioner is adopted to set the temperature TIs provided withAs the air conditioner operating temperature TAir conditionerAnd, when the condition C is satisfied4Increasing the rotating speed R of the indoor fan when the condition C is met5Then the indoor fan speed R is reduced and the compressor frequency F is reduced, when the condition C is satisfied6Increasing the compressor frequency F; condition C4Is TRoom space 2Is positive and Δ TRoom airPositive or negative, condition C5Is TRoom space 2Is negative and Δ TRoom airIs positive, condition C6Is TRoom space 2Is positive and Δ TRoom airEither positive or zero.
The technical proposal sets the temperature T according to the air conditionerIs provided withAs the air conditioner operating temperature TAir conditionerThe difference of the air conditioner can adjust the operation parameters of the air conditioner, ensure reasonable cold output, adjust or optimize the operation parameters of the air conditioner in time according to the indoor environment, save energy and improve the comfort degree.
Further, the operation parameters also comprise air supply time according to the indoor temperature TChamberWith the temperature T of several sub-zones to be measuredA、TB、TC、TD……TNDifference value T ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TD……TChamber-TNAnd the air supply time of at least one of the areas A, B, C and D … … N of the plurality of sub-areas to be detected is prolonged.
Further, the operation parameters also comprise air supply time according to the indoor temperature TChamberAnd the temperatures T of 4 measured sub-regionsA、TB、TC、TDDifference value T ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TDAnd prolonging the air supply time of at least one of the areas A, B, C and D of the sub-area to be detected.
Further, when the condition C is satisfied7、C8Any one of the above steps, the air supply time of the area A is prolonged; condition C7Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCA positive value or zero; condition C8Is TChamber-TAIs a negative value, TChamber-TCIs a negative value, TChamber-TDA positive value or zero; when the condition C is satisfied9、C10、C11Any one of the above steps, the air supply time of the B zone is prolonged; condition C9Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCA positive value or zero; condition C10Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDA positive value or zero; condition C11Is TChamber-TAIs a negative value, TChamber-TBIs a negative value, TChamber-TCIs a positive value or zero, TChamber-TDA positive value or zero; when the condition C is satisfied10、C12、C13Any one of the above steps, the air supply time of the zone C is prolonged; c10Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs negativeValue, TChamber-TDA positive value or zero; condition C12Is TChamber-TAIs a positive value or zero, TChamber-TBIs a positive value or zero, TChamber-TCIs a negative value; c13Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCIs a negative value, TChamber-TDA positive value or zero; when the condition C is satisfied14、C15、C16Any one of the above steps prolongs the air supply time of the D zone; c14Is TChamber-TAIs a positive value or zero, TChamber-TBIs a positive value or zero, TChamber-TDIs a negative value; c15Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a positive value or zero, TChamber-TDIs a negative value; c16Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCIs a positive value or zero, TChamber-TDIs negative.
Further, when the condition C is satisfied17Stopping air supply to the area A; c17Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDIs a negative value; when the condition C is satisfied18Stopping air supply to the B area; c18Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCIs a negative value, TChamber-TDIs a negative value; when the condition C is satisfied19Stopping air supply to the C area; c19Is TChamber-TAIs a negative value, TChamber-TBIs a negative value, TChamber-TCIs a positive value, TChamber-TDIs a negative value; when the condition C is satisfied20Stopping air supply to the D area; c20Is TChamber-TAIs a negative value, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDIs negative.
According to the technical scheme, the temperature of the indoor environment is measured in the radial partition mode, the temperature collection is reasonable, and partition adjustment is carried out according to the temperature of each area.
Further, at the same interval time, for the indoor temperature TChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airSequentially at a plurality of sampling time points t from front to backa、tb、tc……tnThe previous sampling time point is the first sampling time point t1The post-sampling time point is a second sampling time point t2
And the continuous acquisition is beneficial to monitoring and adjusting the operating parameters of the air conditioner in real time.
A control apparatus of an air conditioner, comprising:
temperature acquisition units respectively at first sampling time points t1And a second sampling time point t2Indoor temperature T of upper pair air conditionerChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airCollecting to obtain a first indoor temperature TChamber 1The operating temperature T of the first air conditionerHollow 1First temperature deviation TRoom space 1Second indoor temperature TChamber 2And the second air conditioner operating temperature THollow 2And a second temperature deviation TRoom space 2Wherein the first temperature deviation TRoom space 1=TChamber 1-THollow 1Second temperature deviation TRoom space 2=TChamber 2-THollow 2Wherein, the temperature acquisition unit adopts the temperature T at the air return inlet of the air conditionerGo back toOr the set temperature T of the air conditionerIs provided withAs the air conditioner operation temperature TAir conditioner
A calculation unit for calculating the second temperature deviation T according to the acquisition result of the temperature acquisition unitRoom space 2And a second temperature deviation TRoom space 2Relative to the first temperature deviation TRoom space 1Degree of change Δ T ofRoom airCalculating;
and the control unit adjusts the operation parameters of the air conditioner according to the calculation result of the calculation unit, wherein the operation parameters comprise at least one of the rotating speed R of the indoor fan and the frequency F of the compressor.
An air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the control method of the air conditioner.
A computer-readable storage medium storing a computer program that, when read and executed by a processor, implements the control method of an air conditioner.
In summary, the present invention adopts the above technical solutions to adjust the indoor temperature T of the air conditionerChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airThe accurate running state and the environment state of the air conditioner are obtained, and then the running parameters are adjusted according to the actual running state and the environment state of the air conditioner, so that the indoor temperature balance degree and the user experience are improved.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments thereof are described in detail below.
The embodiment of the invention provides an air conditioner control method for improving the comfort degree of an air conditioner, the air conditioner adopting the air conditioner control method, and a computer readable storage medium for realizing the air conditioner control method.
The air conditioner control method is at a first sampling time point t1Upper, to indoor temperature TChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airDetecting to obtain a first indoor temperature TChamber 1The operating temperature T of the first air conditionerHollow 1And a first temperature deviation TRoom space 1Wherein the first temperature deviation TRoom space 1=TChamber 1-THollow 1(ii) a At a second sampling time t2Upper, to indoor temperature TChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airDetecting to obtain a second indoor temperature TChamber 2And the second air conditioner operating temperature THollow 2And a second temperature deviation TRoom space 2Wherein the second temperature deviation TRoom space 2=TChamber 2-THollow 2(ii) a According to the second temperature deviation TRoom space 2And a second temperature deviation TRoom space 2Relative to the first temperature deviation TRoom space 1Degree of change Δ T ofRoom airAdjusting the operation parameters of the air conditioner; wherein the second temperature deviation TRoom space 2Relative to the first temperature deviation TRoom space 1Degree of change Δ T ofRoom air=TRoom space 2-TRoom space 1(ii) a The operation parameters comprise at least one of the indoor fan rotating speed R and the compressor frequency F; adopts the temperature T at the air return inlet of the air conditionerGo back toOr the set temperature T of the air conditionerIs provided withAs the air conditioner operation temperature TAir conditioner
Wherein the indoor temperature T is measured at the same interval timeChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airSequentially at a plurality of sampling time points t from front to backa、tb、tc……tnThe previous sampling time point is the first sampling time point t1The post-sampling time point is a second sampling time point t2
When the temperature T at the air return inlet of the air conditioner is adoptedGo back toAs the air conditioner operating temperature TAir conditionerThe method for adjusting the indoor fan rotating speed R and the compressor frequency F in the embodiment of the invention is as follows.
When the condition C is satisfied1Increasing the rotating speed R of the indoor fan when the condition C is met2Then reducing the rotating speed R of the indoor fan when the condition C is met3Then the compressor frequency F is reduced; condition C1Is TRoom space 2Is positive and Δ TRoom airIs positive, condition C2Is TRoom space 2Is negative and Δ TRoom airPositive or negative, condition C3Is TRoom space 2Is a negative value andand Δ TRoom airPositive values.
When the air conditioner is adopted to set the temperature TIs provided withAs the air conditioner operating temperature TAir conditionerThe method for adjusting the indoor fan rotating speed R and the compressor frequency F in the embodiment of the invention is as follows.
When the condition C is satisfied4Increasing the rotating speed R of the indoor fan when the condition C is met5Then the indoor fan speed R is reduced and the compressor frequency F is reduced, when the condition C is satisfied6Increasing the compressor frequency F; condition C4Is TRoom space 2Is positive and Δ TRoom airPositive or negative, condition C5Is TRoom space 2Is negative and Δ TRoom airIs positive, condition C6Is TRoom space 2Is positive and Δ TRoom airEither positive or zero.
In some embodiments of the present invention, in order to obtain an accurate indoor environment, the measured area is partitioned, the measured area includes a plurality of non-overlapping measured sub-areas, i.e., a sub-area a, a sub-area B, a sub-area C, and a sub-area D … … N, and the temperature of each measured sub-area is T sequentiallyA、TB、TC、TD…… TNSaid indoor temperature TChamberIs a temperature TA、TB、TC、TD……TNAverage value of (a).
In addition, the operating parameters include the air supply time according to the room temperature T in order to regulate the temperature of each zoneChamberWith the temperature T of several sub-zones to be measuredA、TB、TC、TD……TNDifference value T ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TD……TChamber-TNAnd the air supply time of at least one of the areas A, B, C and D … … N of the plurality of sub-areas to be detected is prolonged.
The specific control and implementation method for prolonging the air supply time comprises the step of carrying out the operation for at least one of a plurality of sub-areas A, B, C and D, … … N, wherein the operation time is TDelay timeExtended air supply time of TDelay timeIs the indoor temperature TChamberWith the temperature T of several sub-zones to be measuredA、TB、TC、TD……TNDifference value T ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TD……TChamber-TNMax (T) ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TD……TChamber-TN) And the product of the coefficient K, wherein the value range of the coefficient K is 1-10.
In some embodiments of the present invention, the air is differentially blown to the respective regions according to the ambient temperature, particularly, the temperature difference of the respective regions.
Specifically, the measured sub-regions are divided into 4. According to the indoor temperature TChamberAnd the temperatures T of 4 measured sub-regionsA、TB、TC、TDDifference value T ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TDAnd prolonging the air supply time of at least one of the areas A, B, C and D of the sub-area to be detected.
When the condition C is satisfied7、C8Any one of the above steps, the air supply time of the area A is prolonged; condition C7Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCA positive value or zero; condition C8Is TChamber-TAIs a negative value, TChamber-TCIs a negative value, TChamber-TDEither positive or zero.
When the condition C is satisfied9、C10、C11Any one of the above steps, the air supply time of the B zone is prolonged; condition C9Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCA positive value or zero; condition C10Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDA positive value or zero; condition C11Is TChamber-TAIs a negative value, TChamber-TBIs a negative value, TChamber-TCIs a positive value or zero, TChamber-TDEither positive or zero.
When the condition C is satisfied10、C12、C13Any one of the above steps, the air supply time of the zone C is prolonged; c10Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDA positive value or zero; condition C12Is TChamber-TAIs a positive value or zero, TChamber-TBIs a positive value or zero, TChamber-TCIs a negative value; c13Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCIs a negative value, TChamber-TDEither positive or zero.
When the condition C is satisfied14、C15、C16Any one of the above steps prolongs the air supply time of the D zone; c14Is TChamber-TAIs a positive value or zero, TChamber-TBIs a positive value or zero, TChamber-TDIs a negative value; c15Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a positive value or zero, TChamber-TDIs a negative value; c16Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCIs a positive value or zero, TChamber-TDIs negative.
When the condition C is satisfied17Stopping air supply to the area A; c17Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDIs a negative value; when the condition C is satisfied18Stopping air supply to the B area; c18Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCIs a negative value, TChamber-TDIs a negative value; when the condition C is satisfied19Stopping air supply to the C area; c19Is TChamber-TAIs a negative value, TChamber-TB is negative, TChamber-TCIs a positive value, TChamber-TDIs a negative value; when the condition C is satisfied20Stopping air supply to the D area; c20Is TChamber-TAIs a negative value, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDIs negative.
In addition, an embodiment of the present invention further provides a control device for an air conditioner, including: temperature acquisition units respectively at first sampling time points t1And a second sampling time point t2Indoor temperature T of upper pair air conditionerChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airCollecting to obtain a first indoor temperature TChamber 1The operating temperature T of the first air conditionerHollow 1First temperature deviation TRoom space 1Second indoor temperature TChamber 2And the second air conditioner operating temperature THollow 2And a second temperature deviation TRoom space 2Wherein the first temperature deviation TRoom space 1=TChamber 1-THollow 1Second temperature deviation TRoom space 2=TChamber 2-THollow 2Wherein, the temperature acquisition unit adopts the temperature T at the air return inlet of the air conditionerGo back toOr the set temperature T of the air conditionerIs provided withAs the air conditioner operation temperature TAir conditioner(ii) a A calculation unit for calculating the second temperature deviation T according to the acquisition result of the temperature acquisition unitRoom space 2And a second temperature deviation TRoom space 2Relative to the first temperature deviation TRoom space 1Degree of change Δ T ofRoom airCalculating; the control unit adjusts the operation parameters of the air conditioner according to the calculation result of the calculation unit, and the operation parameters comprise the rotating speed R of the indoor fanAnd compressor frequency F.
To further clarify the invention, tables 1-3 list the specific ways in which the invention can be adjusted for all of the operating parameters. In Table 1 "+" represents a positive value or increase, "-" represents a negative value or decrease, and "0" represents a zero value or no change.
TABLE 1
Figure BDA0002132972520000091
TABLE 2
Figure BDA0002132972520000101
TABLE 3
Figure BDA0002132972520000102
Figure BDA0002132972520000111
Figure BDA0002132972520000121
Examples
At a first sampling time t1Temperature T at air return inlet of upper air conditionerHui 1At 27 deg.C, the air conditioner set temperature T1 is providedAt 25 deg.C, indoor temperature T of the measured regionChamber 1The temperature was 27 ℃.
At a second sampling time t2Temperature T at air return inlet of upper air conditioner2 coming backAt 26 deg.C, the air conditioner is set to a temperature TLet 2At 25 deg.C, indoor temperature T of the measured regionChamber 2The temperature was 27 ℃.
Adopts the temperature T at the air return inlet of the air conditionerGo back toAs the air conditioner operating temperature TAir conditionerNamely: t isHollow 1= THui 1At 27 ℃ and THollow 2=T2 coming backIt was 26 ℃.
TChamber 2-THollow 2Positive values at 27-26 ℃. Indicating insufficient air disturbance in the room and large temperature deviation. Delta TRoom air=TRoom space 2-TRoom space 1=(TChamber 2-THollow 2)-(TChamber 1-THollow 1) Under conditions of (27 ℃ -26 ℃) - (27 ℃ -27 ℃), under conditions of 1 ℃. Indicating that the return air is not smooth or the air supply distance is small, and the room temperature cannot be balanced. Therefore, the air deflector needs to be adjusted to the most smooth, and the rotating speed R of the indoor fan is increased by 50 RPM.
Setting temperature T by air conditionerIs provided withAs the air conditioner operating temperature TAir conditionerThen, the temperature T is determined again and setIs provided withIt was 25 ℃. Namely: t isHollow 1=T1 is providedAt 25 ℃ and THollow 2=TLet 2It was 25 ℃.
TChamber 2-THollow 2Positive values at 27-25 ℃. The heat load of the room is large, the frequency of the compressor needs to be increased by 2Hz, and the rotating speed of the internal machine is increased by 50 RPM. Delta TRoom air=TRoom space 2-TRoom space 1=(TChamber 2-THollow 2)-(TChamber 1—THollow 1) When the temperature is equal to (27 ℃ -25 ℃) - (27 ℃ -25 ℃), the temperature is equal to 0 ℃, which shows that the room heat load is improved, and the frequency of the compressor needs to be increased by 2 Hz.
TChamber-TA、TChamber-TB、TChamber-TC、TChamber-TDThe air supply time in the TA zone was extended, the K value was 1, and the air supply time extended by 1 × 1 ═ 1s, respectively at-1 ℃, 0 ℃, 1 ℃, and 0 ℃.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (13)

1. An air conditioner control method for improving the comfort degree of an air conditioner is characterized in that,
at a first sampling time t1Upper, to indoor temperature TChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airDetecting to obtain a first indoor temperature TChamber 1The operating temperature T of the first air conditionerHollow 1And a first temperature deviation TRoom space 1Wherein the first temperature deviation TRoom space 1=TChamber 1-THollow 1
At a second sampling time t2Upper, to indoor temperature TChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airDetecting to obtain a second indoor temperature TChamber 2And the second air conditioner operating temperature THollow 2And a second temperature deviation TRoom space 2Wherein the second temperature deviation TRoom space 2=TChamber 2-THollow 2
According to the second temperature deviation TRoom space 2And a second temperature deviation TRoom space 2Relative to the first temperature deviation TRoom space 1Degree of change Δ T ofRoom airAdjusting the operation parameters of the air conditioner;
wherein the second temperature deviation TRoom space 2Relative to the first temperature deviation TRoom space 1Degree of change Δ T ofRoom air=TRoom space 2-TRoom space 1
The operation parameters comprise at least one of the indoor fan rotating speed R and the compressor frequency F;
adopts the temperature T at the air return inlet of the air conditionerGo back toOr the set temperature T of the air conditionerIs provided withAs the air conditioner operation temperature TAir conditioner
2. The air conditioner control method for improving the comfort level of an air conditioner according to claim 1, wherein the measured area comprises a plurality of non-overlapping measured subareas A, B, C and D … … N, and the temperature of each measured subarea is T in turnA、TB、TC、TD……TNSaid indoor temperature TChamberIs a temperature TA、TB、TC、TD……TNAverage value of (a).
3. According to the rightThe method for controlling an air conditioner to improve the comfort of the air conditioner as claimed in any one of claims 1 or 2, wherein the temperature T at the air return inlet of the air conditioner is adoptedGo back toAs the air conditioner operating temperature TAir conditionerAnd, when the condition C is satisfied1Increasing the rotating speed R of the indoor fan when the condition C is met2Then reducing the rotating speed R of the indoor fan when the condition C is met3Then the compressor frequency F is reduced; condition C1Is TRoom space 2Is positive and Δ TRoom airIs positive, condition C2Is TRoom space 2Is negative and Δ TRoom airPositive or negative, condition C3Is TRoom space 2Is negative and Δ TRoom airPositive values.
4. The air conditioner controlling method for improving the comfort of the air conditioner according to any one of claims 1 or 2, wherein the air conditioner setting temperature T is usedIs provided withAs the air conditioner operating temperature TAir conditionerAnd, when the condition C is satisfied4Increasing the rotating speed R of the indoor fan when the condition C is met5Then the indoor fan speed R is reduced and the compressor frequency F is reduced, when the condition C is satisfied6Increasing the compressor frequency F; condition C4Is TRoom space 2Is positive and Δ TRoom airPositive or negative, condition C5Is TRoom space 2Is negative and Δ TRoom airIs positive, condition C6Is TRoom space 2Is positive and Δ TRoom airEither positive or zero.
5. The air conditioner control method for improving comfort of an air conditioner according to claim 2, wherein the operation parameters further include an air supply time according to the indoor temperature TChamberWith the temperature T of several sub-zones to be measuredA、TB、TC、TD……TNDifference value T ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TD……TChamber-TNFor several sub-regions to be measuredThe air supply time of at least one of the areas A, B, C and D … … N is prolonged.
6. The method as claimed in claim 5, wherein the time T is measured for at least one of the sub-areas A, B, C and D … … NDelay timeExtended air supply time of TDelay timeIs the indoor temperature TChamberWith the temperature T of several sub-zones to be measuredA、TB、TC、TD……TNDifference value T ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TD……TChamber-TNMax (T) ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TD……TChamber-TN) And the product of the coefficient K, wherein the value range of the coefficient K is 1-10.
7. The air conditioner control method for improving comfort of an air conditioner according to claim 2, wherein the operation parameters further include an air supply time according to the indoor temperature TChamberAnd the temperatures T of 4 measured sub-regionsA、TB、TC、TDDifference value T ofChamber-TA、TChamber-TB、TChamber-TC、TChamber-TDAnd prolonging the air supply time of at least one of the areas A, B, C and D of the sub-area to be detected.
8. The air conditioner controlling method for improving the comfort of an air conditioner according to claim 7, wherein the condition C is satisfied when the condition C is satisfied7、C8Any one of the above steps, the air supply time of the area A is prolonged; condition C7Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCA positive value or zero; condition C8Is TChamber-TAIs a negative value, TChamber-TCIs a negative value, TChamber-TDA positive value or zero; when the condition C is satisfied9、C10、C11Any one of the above steps, the air supply time of the B zone is prolonged; condition C9Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCA positive value or zero; condition C10Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDA positive value or zero; condition C11Is TChamber-TAIs a negative value, TChamber-TBIs a negative value, TChamber-TCIs a positive value or zero, TChamber-TDA positive value or zero; when the condition C is satisfied10、C12、C13Any one of the above steps, the air supply time of the zone C is prolonged; c10Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDA positive value or zero; condition C12Is TChamber-TAIs a positive value or zero, TChamber-TBIs a positive value or zero, TChamber-TCIs a negative value; c13Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCIs a negative value, TChamber-TDA positive value or zero; when the condition C is satisfied14、C15、C16Any one of the above steps prolongs the air supply time of the D zone; c14Is TChamber-TAIs a positive value or zero, TChamber-TBIs a positive value or zero, TChamber-TDIs a negative value; c15Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a positive value or zero, TChamber-TDIs a negative value; c16Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCIs a positive value or zero, TChamber-TDIs negative.
9. The air conditioner controlling method for improving the comfort of an air conditioner according to claim 7, wherein the condition C is satisfied when the condition C is satisfied17Stopping air supply to the area A; c17Is TChamber-TAIs a positive value or zero, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDIs a negative value; when the condition C is satisfied18Stopping air supply to the B area; c18Is TChamber-TAIs a negative value, TChamber-TBIs a positive value or zero, TChamber-TCIs a negative value, TChamber-TDIs a negative value; when the condition C is satisfied19Stopping air supply to the C area; c19Is TChamber-TAIs a negative value, TChamber-TBIs a negative value, TChamber-TCIs a positive value, TChamber-TDIs a negative value; when the condition C is satisfied20Stopping air supply to the D area; c20Is TChamber-TAIs a negative value, TChamber-TBIs a negative value, TChamber-TCIs a negative value, TChamber-TDIs negative.
10. The air conditioner controlling method for improving the comfort of an air conditioner according to any one of claims 1 to 9, wherein the indoor temperature T is measured at the same interval timeChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airSequentially at a plurality of sampling time points t from front to backa、tb、tc……tnThe previous sampling time point is the first sampling time point t1The post-sampling time point is a second sampling time point t2
11. A control apparatus of an air conditioner, comprising:
a temperature acquisition unit, the temperature acquisitionThe units are respectively at a first sampling time point t1And a second sampling time point t2Indoor temperature T of upper pair air conditionerChamberAnd the running temperature T of the air conditionerAir conditionerAnd temperature deviation TRoom airCollecting to obtain a first indoor temperature TChamber 1The operating temperature T of the first air conditionerHollow 1First temperature deviation TRoom space 1Second indoor temperature TChamber 2And the second air conditioner operating temperature THollow 2And a second temperature deviation TRoom space 2Wherein the first temperature deviation TRoom space 1=TChamber 1-THollow 1Second temperature deviation TRoom space 2=TChamber 2-THollow 2Wherein, the temperature acquisition unit adopts the temperature T at the air return inlet of the air conditionerGo back toOr the set temperature T of the air conditionerIs provided withAs the air conditioner operation temperature TAir conditioner
A calculation unit for calculating the second temperature deviation T according to the acquisition result of the temperature acquisition unitRoom space 2And a second temperature deviation TRoom space 2Relative to the first temperature deviation TRoom space 1Degree of change Δ T ofRoom airCalculating;
and the control unit adjusts the operation parameters of the air conditioner according to the calculation result of the calculation unit, wherein the operation parameters comprise at least one of the rotating speed R of the indoor fan and the frequency F of the compressor.
12. An air conditioner comprising a computer-readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the control method of the air conditioner according to any one of claims 1 to 10.
13. A computer-readable storage medium, characterized in that it stores a computer program which, when read and executed by a processor, implements the control method of an air conditioner according to any one of claims 1 to 10.
CN201910647741.1A 2019-07-17 2019-07-17 Air conditioner control method for improving comfort degree of air conditioner Pending CN111271846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910647741.1A CN111271846A (en) 2019-07-17 2019-07-17 Air conditioner control method for improving comfort degree of air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910647741.1A CN111271846A (en) 2019-07-17 2019-07-17 Air conditioner control method for improving comfort degree of air conditioner

Publications (1)

Publication Number Publication Date
CN111271846A true CN111271846A (en) 2020-06-12

Family

ID=71002927

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910647741.1A Pending CN111271846A (en) 2019-07-17 2019-07-17 Air conditioner control method for improving comfort degree of air conditioner

Country Status (1)

Country Link
CN (1) CN111271846A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112665131A (en) * 2020-12-21 2021-04-16 珠海格力电器股份有限公司 Control method of air conditioner and air conditioner

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69209652D1 (en) * 1991-08-06 1996-05-09 Cassowary Ltd TEMPERATURE CONTROL DEVICE AND CENTRAL UNIT FOR TEMPERATURE CONTROL DEVICE
JPH11211190A (en) * 1998-01-29 1999-08-06 Yamatake Corp Outdoor air cooling air conditioning control system and air conditioning control device
RU2363892C1 (en) * 2008-04-30 2009-08-10 Олег Савельевич Кочетов Method of air conditioning with complex indirect cooling and conditioner for its implementation
CN101526260A (en) * 2009-04-20 2009-09-09 广东志高空调有限公司 Variable-frequency air-conditioner control method and control device thereof
CN105333578A (en) * 2015-11-26 2016-02-17 江苏新科电器有限公司 Frequency control method of compressor of variable frequency air conditioner
CN105890121A (en) * 2016-05-09 2016-08-24 珠海格力电器股份有限公司 Air conditioner control method and device and air conditioner
CN108168036A (en) * 2017-12-25 2018-06-15 珠海格力电器股份有限公司 Air conditioning system control method and air conditioning system
CN108469105A (en) * 2018-03-29 2018-08-31 广东美的制冷设备有限公司 Air-conditioner control method, device, air conditioner and computer readable storage medium
CN108954706A (en) * 2018-06-19 2018-12-07 广东美的制冷设备有限公司 Control method, air conditioner and the storage medium of air conditioner
CN109059224A (en) * 2018-06-29 2018-12-21 广东美的制冷设备有限公司 Control method, device and the apparatus of air conditioning of the apparatus of air conditioning
CN109442673A (en) * 2018-11-08 2019-03-08 青岛海信日立空调系统有限公司 Air conditioner and its control method
CN109631260A (en) * 2018-12-21 2019-04-16 奥克斯空调股份有限公司 A kind of body-sensing air quantity adjusting method, device and air conditioner

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69209652D1 (en) * 1991-08-06 1996-05-09 Cassowary Ltd TEMPERATURE CONTROL DEVICE AND CENTRAL UNIT FOR TEMPERATURE CONTROL DEVICE
JPH11211190A (en) * 1998-01-29 1999-08-06 Yamatake Corp Outdoor air cooling air conditioning control system and air conditioning control device
RU2363892C1 (en) * 2008-04-30 2009-08-10 Олег Савельевич Кочетов Method of air conditioning with complex indirect cooling and conditioner for its implementation
CN101526260A (en) * 2009-04-20 2009-09-09 广东志高空调有限公司 Variable-frequency air-conditioner control method and control device thereof
CN105333578A (en) * 2015-11-26 2016-02-17 江苏新科电器有限公司 Frequency control method of compressor of variable frequency air conditioner
CN105890121A (en) * 2016-05-09 2016-08-24 珠海格力电器股份有限公司 Air conditioner control method and device and air conditioner
CN108168036A (en) * 2017-12-25 2018-06-15 珠海格力电器股份有限公司 Air conditioning system control method and air conditioning system
CN108469105A (en) * 2018-03-29 2018-08-31 广东美的制冷设备有限公司 Air-conditioner control method, device, air conditioner and computer readable storage medium
CN108954706A (en) * 2018-06-19 2018-12-07 广东美的制冷设备有限公司 Control method, air conditioner and the storage medium of air conditioner
CN109059224A (en) * 2018-06-29 2018-12-21 广东美的制冷设备有限公司 Control method, device and the apparatus of air conditioning of the apparatus of air conditioning
CN109442673A (en) * 2018-11-08 2019-03-08 青岛海信日立空调系统有限公司 Air conditioner and its control method
CN109631260A (en) * 2018-12-21 2019-04-16 奥克斯空调股份有限公司 A kind of body-sensing air quantity adjusting method, device and air conditioner

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
名牌空调器编委会: "《格兰仕新型绿色变频空调器维修培训技术指南》", 31 January 2007, 国防工业出版社 *
石文星等: "《小型空调热泵装置设计》", 31 October 2013, 中国建筑工业出版社 *
陈曙光: "《搞定修车厂》", 31 January 2013, 中国书店 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112665131A (en) * 2020-12-21 2021-04-16 珠海格力电器股份有限公司 Control method of air conditioner and air conditioner

Similar Documents

Publication Publication Date Title
CN109405214B (en) Control device of air conditioner, control method of air conditioner and readable storage medium
CN105371435B (en) Air conditioning comfortableness control method
CN105650811B (en) The method and apparatus for controlling air conditioner indoor unit
CN103245031B (en) Air conditioner and control method and device thereof
CN104406251B (en) Air conditioner dehumanization method and air conditioner
CN106765890B (en) Method for controlling air conditioner and air conditioner
CN107421061A (en) The condensation prevention control method and device of air conditioner
CN106871360B (en) Control method of air conditioner
CN107575994B (en) Method and device for controlling air conditioner and air conditioner
CN109405228A (en) Air conditioner and its control method, control device, readable storage medium storing program for executing
CN105222271A (en) A kind of pleasant climate method, controller and air-conditioning system
CN110594957B (en) Control method and control device for preventing condensation of air conditioner, storage medium and air conditioner
CN109373536B (en) Control device of air conditioner, control method of air conditioner and readable storage medium
CN109323377B (en) Air conditioner and control method and control device thereof
CN105222272A (en) A kind of pleasant climate method, controller and air-conditioning system
CN106705387B (en) Air conditioner control method and device and air conditioner
CN106594963A (en) Air conditioner control method and device and air conditioner
CN109405213A (en) Air conditioner and its control method, control device, readable storage medium storing program for executing
CN106885339B (en) Control method of air conditioner
CN109140713A (en) Air conditioner and its control method, control device, readable storage medium storing program for executing
CN109114763B (en) Control device of air conditioner, control method of air conditioner and readable storage medium
WO2019024818A1 (en) Control method for air-conditioning apparatus
CN108050644A (en) Air-conditioner control method and air conditioner
CN106196441A (en) Realize the method and device that air conditioner refrigerating controls
CN108302692A (en) Air conditioning control method and air conditioner

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200612