CN107166642B - DC fan control method outside a kind of convertible frequency air-conditioner room - Google Patents
DC fan control method outside a kind of convertible frequency air-conditioner room Download PDFInfo
- Publication number
- CN107166642B CN107166642B CN201710343438.3A CN201710343438A CN107166642B CN 107166642 B CN107166642 B CN 107166642B CN 201710343438 A CN201710343438 A CN 201710343438A CN 107166642 B CN107166642 B CN 107166642B
- Authority
- CN
- China
- Prior art keywords
- fan
- temperature
- compressor
- speed
- revolving 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
Classifications
-
- 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
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to the control technologies of convertible frequency air-conditioner, it discloses DC fan control method outside a kind of convertible frequency air-conditioner room, solve the problem of in traditional technology outside convertible frequency air-conditioner room DC fan revolving speed can not with system can not Optimum Matching influence system capability and reliability.The present invention determines the initial speed of DC fan according to compressor frequency and outdoor environment temperature, during compressor operation, according to current system parameters such as outdoor coil temperature, IPM temperature, delivery temperature, environment temperatures, the revolving speed of adjustment DC fan in real time, realizes the stepless time adjustment function of rotation speed of fan.After compressor shutdown; detect outdoor coil temperature, IPM temperature; determine whether blower operates, the duration of runs of blower operating revolving speed and blower according to temperatures above; than compressor shutdown in former control program; blower is just shut down; the temperature that corresponding system can quickly be reduced, is conducive to reduce the system recovery time of the compressor shutdown as caused by system overheat, shortens the time interval that compressor is again started up.
Description
Technical field
The present invention relates to the control technologies of convertible frequency air-conditioner, and in particular to DC fan controlling party outside a kind of convertible frequency air-conditioner room
Method.
Background technique
Good heat exchange is that air-conditioning system is normal, premise of steady operation, and the outdoor DC fan of convertible frequency air-conditioner is used for
The heat exchange of outdoor evaporator, heat transfer effect is related to DC fan revolving speed, but increase DC fan revolving speed can be brought directly again simply
The additional power consumption of flow fan.Therefore, influence of the DC fan to system is very big, if the working speed of DC fan can
Best match system has very big benefit to system energy efficiency is improved.
The outdoor DC fan of convertible frequency air-conditioner has multiple wind speed shelves, and existing control program is different compressor operation frequency
Rate range corresponds to different wind speed shelves.Generally when compressor operates in a high frequency, DC fan works in top gear, compressor outside room
The work of DC fan machine is in low or first gear outside room when low frequency operates, and blower also stops working when compressor shuts down.
This control mode has the following problems: 1, same compressor frequency, and under different operating conditions, system pressure is not
Together, the parameters of system are also different, and same rotation speed of fan does not adapt to all operating conditions.2, there are many compressor shutdowns
Reason, after because system overheat, plate temperature high Overheat Reasons excessively are shut down, if it is extensive to will lead to overheat also with shutdown for blower
Complex velocity is slow, and influence compressor is again started up the time.If therefore the revolving speed control of outdoor DC fan it is only simple and
Compressor frequency is associated, will affect system capability and reliability.
Summary of the invention
The technical problems to be solved by the present invention are: proposing DC fan control method outside a kind of convertible frequency air-conditioner room, solve
In traditional technology outside convertible frequency air-conditioner room DC fan revolving speed can not with system can not Optimum Matching, influence system capability and reliability
The problem of.
The technical solution adopted by the present invention to solve the technical problems is:
DC fan control method outside a kind of convertible frequency air-conditioner room, comprising:
A. the minimum speed N of DC fan outside convertible frequency air-conditioner room is determinedminWith maximum speed Nmax；
B. DC fan revolving speed table corresponding with outdoor environment temperature and compressor frequency is established；
C. it after air-conditioning booting, according to compressor operation frequency and outdoor environment temperature, tables look-up and obtains the initial of DC fan
Revolving speed N0；
D. compressor operating time reaches t1Afterwards, external disk temperature is detected, it is as follows to control rotation speed of fan according to external disk temperature:
If external disk temperature < T10, then DC fan revolving speed N=N0-N1If N < Nmin, then N=Nmin；If external disk temperature
Degree > T11, DC fan revolving speed N=N0+N1If N > Nmax, then N=Nmax；
E. compressor operating time reaches t2Afterwards, IPM temperature is detected, it is as follows to control rotation speed of fan according to IPM temperature:
If IPM temperature < T20, DC fan revolving speed N=N-N2If N < Nmin, then N=Nmin；If IPM temperature > T21,
DC fan revolving speed N=N+N2If N > Nmax, then N=Nmax；
F. compressor operating time t3Afterwards, delivery temperature is detected, it is as follows to control rotation speed of fan according to delivery temperature:
If delivery temperature < T30, DC fan revolving speed N=N-N3If N < Nmin, then N=Nmin；If delivery temperature >
T31, DC fan revolving speed N=N+N3If N > Nmax, then N=Nmax；
G. revolving speed adjustment amount N is calculatedadj=N-N0；
H. compressor operating time t4Afterwards, it according to current compression unit frequency and outdoor environment temperature, tables look-up and obtains direct current wind
Machine revolving speed N ' determines that newest DC fan revolving speed is N=N '+Nadj；
I. after a certain period of time with the newest DC fan revolving speed operation, using the newest DC fan revolving speed as direct current wind
The initial speed N of machine0, during compressor is continuously run, repeat step d-h；
J. after compressor shutdown, whether detection external disk temperature, IPM temperature are all allowing within the scope of fan parking, if so,
Otherwise then fan parking determines the operating revolving speed of blower according to external disk temperature, IPM temperature, until temperature is reduced to permission blower
It shuts down in range, then closes DC fan；
K. after compressor restarting, step c-j is repeated.
As advanced optimizing, in step a, according to the specifications and system requirements of DC fan, DC fan is determined
Minimum speed NminWith maximum speed Nmax
As advanced optimizing, in step b, DC fan revolving speed and outdoor environment temperature and compressor frequency pair are being established
When answering table, low-limit frequency and highest frequency is allowed to be divided into multiple sections according to compressor compressor frequency, by outdoor environment temperature
Degree is divided into multiple sections according to operating condition, to establish compressor frequency and rotation speed of fan under different temperatures section by experiment
Corresponding table.
As advanced optimizing, the T10、T11、T20、T21、T30、T31It is obtained by experiment, and T11>T10, T21>T20,
T31>T30。
As advanced optimizing, step j is specifically included:
After compressor shutdown, if detecting external disk temperature > T4, IPM temperature > T5, then rotation speed of fan N=N is controlledmax；
If detecting external disk temperature > T4, IPM temperature≤T5, then rotation speed of fan N=N is controlled4；
If detecting external disk temperature≤T4, IPM temperature > T5 then controls rotation speed of fan N=N5；
If detecting external disk temperature≤T4, IPM temperature≤T5 then closes DC fan；
Wherein, T4, T5 pass through experiment and obtain, tachometer value N5> N4。
The beneficial effects of the present invention are:
The initial speed that DC fan is determined according to compressor frequency and outdoor environment temperature, in compressor operation process
In, according to current system parameters such as outdoor coil temperature, IPM temperature, delivery temperature, environment temperatures, DC fan is adjusted in real time
Revolving speed, realize the stepless time adjustment function of rotation speed of fan.Increase the revolving speed of DC fan under the higher operating condition of various temperature,
Lifting system exchange capability of heat；Under the lower operating condition of various temperature, the revolving speed of DC fan is reduced, reduces DC fan consumption
Power improves system energy efficiency.In this way in compressor of air conditioner operational process, DC fan revolving speed is realized with the dynamic of system condition
Adjustment, has reached the Optimum Matching of DC fan and system.After compressor shutdown, outdoor coil temperature, IPM temperature are detected,
Determine whether blower operates, the duration of runs of blower operating revolving speed and blower according to temperatures above, than compressing in former control program
Machine is shut down, and blower is just shut down, and the temperature of corresponding system can be quickly reduced, and is conducive to reduction compressor as caused by system overheat and is stopped
The system recovery time of machine shortens the time interval that compressor is again started up.
Detailed description of the invention
Fig. 1 is outdoor environment temperature, compressor frequency and DC fan revolving speed mapping table in embodiment；
DC fan revolving speed adjusts flow chart when Fig. 2 is the compressor operation in embodiment；
DC fan revolving speed logic chart when Fig. 3 is compressor shutdown.
Specific embodiment
The present invention is directed to propose DC fan control method outside a kind of convertible frequency air-conditioner room, solves convertible frequency air-conditioner in traditional technology
Outdoor DC fan revolving speed can not with system can not Optimum Matching, the problem of influencing system capability and reliability.
The core idea of the invention is as follows: during compressor operation, DC fan realize according to the revolving speed of compressor and
Other key system perameters determine the revolving speed of blower, and DC fan revolving speed no longer stepping position only limits the minimum wind of DC fan
Speed and highest wind velocity, realize stepless time adjustment minimum between highest wind velocity.During compressor operation, in detection compressor
While frequency, outdoor environment temperature, outdoor coil temperature, IPM temperature, the temperature such as delivery temperature, when the above temperature are also detected
When degree variation, the revolving speed of DC fan is adjusted in real time, and DC fan consumption is reduced while the exchange capability of heat for meeting system
Power improves system energy efficiency.After compressor shutdown, according to system parameter when shutting down, confirmation is to maintain DC fan after reforwarding
Turn still to shut down, and revolving speed and the time of operating.
In specific implementation of the invention, first according to the specifications of DC fan and system requirements, DC fan is determined
Minimum speed NminWith maximum speed Nmax.Then DC fan revolving speed shown in FIG. 1 and outdoor environment temperature and compression are established
Unit frequency corresponds to table, and wherein compressor frequency allows low-limit frequency and highest frequency to be divided into multiple sections according to compressor, outdoor
Environment temperature is divided into multiple sections according to operating condition, to establish compressor frequency and wind under different temperatures section by experiment
Machine revolving speed corresponds to table.
Operational process rotation speed of fan according to Fig.2, adjusts flow chart and is operated after air-conditioning booting according to actual compressor
Frequency and outdoor environment temperature table look-up and obtain the initial speed N of DC fan0.Then reach t in compressor operating time1Afterwards,
External disk temperature is detected, if external disk temperature reduces DC fan revolving speed, if external disk temperature is high lower than the external disk temperature of setting
In the external disk temperature of setting, then increase DC fan revolving speed.
In addition it is also necessary to which the boundary to rotation speed of fan carries out judgement processing, i.e., when rotation speed of fan is limited more than maximum (top) speed
When, it is operated with maximum (top) speed, if rotation speed of fan is less than minimum speed restriction, is operated with minimum speed.
In next step, reach t in compressor operating time2Afterwards, IPM temperature is detected.If IPM temperature is lower than the IPM of setting
Temperature then reduces DC fan revolving speed, if IPM temperature is higher than the IPM temperature of setting, increases DC fan revolving speed.At this time
Judgement processing is carried out to the boundary of rotation speed of fan.
In next step, reach t in compressor operating time3Afterwards, delivery temperature is detected.If delivery temperature is lower than the row of setting
Temperature degree then reduces DC fan revolving speed, if delivery temperature is higher than the delivery temperature of setting, increases DC fan revolving speed.
At this time will the boundary to rotation speed of fan carry out judgement processing.
In next step, adjustment amount N of the DC fan revolving speed relative to initial rotation speed of fan is calculatedadj。
In next step, reach t in compressor operating time4Afterwards, it according to current compression unit frequency and outdoor environment temperature, tables look-up
DC fan revolving speed N ' is obtained, determines that newest DC fan revolving speed is N=N '+Nadj；
In next step, after a certain period of time with the newest DC fan revolving speed operation, using the newest DC fan revolving speed as
The initial speed N of DC fan0, during compressor is continuously run, repeat the above steps, to reach DC fan revolving speed and be
The best match for parameter of uniting.
Shutdown procedure flow chart according to Fig.3, external disk temperature, IPM temperature after compressor shutdown, when detection is shut down
Degree, whether detection temperatures above is all allowing within the scope of fan parking, if it is, fan parking, if not, according to external disk temperature
Degree, IPM temperature determine the operating revolving speed of blower, when temperature, which is reduced to DC fan, to be allowed to shut down in range, then close direct current
Blower.
Embodiment:
By taking certain convertible frequency air-conditioner as an example, the minimum speed 500rpm of DC fan, maximum speed is 1300rpm.
By taking refrigeration as an example, outdoor environment temperature≤35 degree when booting, compressor original frequency is 50Hz, inquiry compressor
Revolving speed corresponding with DC fan is 800rpm.DC fan was worked with the initial speed of 800rpm, when compressor operation 3 minutes
Afterwards, detect outdoor coil temperature, when it is outdoor coil pipe used exceed 50 degree when, DC fan revolving speed increases on the basis of current rotating speed
50rpm；When it is outdoor coil pipe used be lower than 40 degree when, DC fan revolving speed reduces 50rpm on the basis of current rotating speed.Continue recording compressed
The duration of runs of machine, when compressor operate again after five minutes, detect IPM temperature, when IPM temperature exceed 75 temperature when, direct current wind
Machine revolving speed increases 80rpm on the basis of current rotating speed；When IPM temperature is lower than 50 temperature, DC fan revolving speed is in current rotating speed
On the basis of reduce 80rpm.The duration of runs for continuing recording compressed machine, when compressor operates after five minutes again, detection compressor is arranged
Temperature degree, when compressor exhaust temperature is more than 95 degree, DC fan revolving speed increases 50rpm on the basis of current rotating speed；Work as pressure
When contracting machine delivery temperature is lower than 70 degree, DC fan revolving speed reduces 50rpm on the basis of current rotating speed.Calculate revolving speed adjusted
Relative to initial speed adjustment amount, continue the recording compressed machine duration of runs, when compressor operates 5 minutes according to current compression again
Unit frequency and outdoor environment temperature obtain rotation speed of fan by Fig. 1, which does new initial of blower plus initial speed adjustment amount
Revolving speed.
In above-mentioned each adjustment rotation speed of fan, if after increase rotation speed of fan need to judge that DC fan increases revolving speed, if
Maximum speed beyond DC fan is just operated if having exceeded maximum speed with maximum speed；If reducing rotation speed of fan need to sentence
Whether the DC fan revolving speed after disconnected reduction is lower than the minimum speed of DC fan, when being lower than the minimum speed of DC fan,
It is operated with the minimum speed of DC fan.
After compressor shutdown, coil temperature and IPM temperature at sensing chamber at this time, if outdoor coil temperature is greater than 60 degree simultaneously
And IPM temperature is greater than 90 degree, outdoor DC fan is with maximum speed 1300rpm operating, until being not more than 50 to outdoor coil temperature
Degree or IPM temperature are not more than 70 degree；If outdoor coil temperature is greater than 50 degree, DC fan is operated with 500rpm；If IPM temperature
Degree is greater than 80 degree, and DC fan is operated with 800rpm；If direct current outdoor coil temperature is no more than 40 degree and IPM temperature is little
In 70 degree of closing DC fans.
Claims (5)
1. DC fan control method outside a kind of convertible frequency air-conditioner room characterized by comprising
A. the minimum speed N of DC fan outside convertible frequency air-conditioner room is determinedminWith maximum speed Nmax；
B. DC fan revolving speed table corresponding with outdoor environment temperature and compressor frequency is established；
C. it after air-conditioning booting, according to compressor operation frequency and outdoor environment temperature, tables look-up and obtains the initial speed of DC fan
N0；
D. compressor operating time reaches t1Afterwards, external disk temperature is detected, it is as follows to control rotation speed of fan according to external disk temperature:
If external disk temperature < T10, then DC fan revolving speed N=N0-N1If N < Nmin, then N=Nmin；If external disk temperature >
T11, DC fan revolving speed N=N0+N1If N > Nmax, then N=Nmax；
E. compressor operating time reaches t2Afterwards, IPM temperature is detected, it is as follows to control rotation speed of fan according to IPM temperature:
If IPM temperature < T20, DC fan revolving speed N=N-N2If N < Nmin, then N=Nmin；If IPM temperature > T21, direct current
Rotation speed of fan N=N+N2If N > Nmax, then N=Nmax；
F. compressor operating time t3Afterwards, delivery temperature is detected, it is as follows to control rotation speed of fan according to delivery temperature:
If delivery temperature < T30, DC fan revolving speed N=N-N3If N < Nmin, then N=Nmin；If delivery temperature > T31, directly
Flow fan revolving speed N=N+N3If N > Nmax, then N=Nmax；
G. revolving speed adjustment amount N is calculatedadj=N-N0；
H. compressor operating time t4Afterwards, it according to current compression unit frequency and outdoor environment temperature, tables look-up and obtains DC fan revolving speed
N ' determines that newest DC fan revolving speed is N=N '+Nadj；
I. after a certain period of time with the newest DC fan revolving speed operation, using the newest DC fan revolving speed as DC fan
Initial speed N0, during compressor is continuously run, repeat step d-h；
J. after compressor shutdown, whether detection external disk temperature, IPM temperature are all allowing within the scope of fan parking, if it is, wind
Machine is shut down, and otherwise, the operating revolving speed of blower is determined according to external disk temperature, IPM temperature, until temperature is reduced to permission fan parking
In range, then DC fan is closed；
K. after compressor restarting, step c-j is repeated.
2. DC fan control method outside a kind of convertible frequency air-conditioner room as described in claim 1, which is characterized in that in step a, root
According to the specifications and system requirements of DC fan, the minimum speed N of DC fan is determinedminWith maximum speed Nmax。
3. DC fan control method outside a kind of convertible frequency air-conditioner room as described in claim 1, which is characterized in that in step b,
When establishing corresponding with the outdoor environment temperature and compressor frequency table of DC fan revolving speed, compressor frequency is allowed according to compressor
Low-limit frequency and highest frequency are divided into multiple sections, outdoor environment temperature are divided into multiple sections according to operating condition, to pass through reality
It tests the compressor frequency established under different temperatures section and rotation speed of fan corresponds to table.
4. DC fan control method outside a kind of convertible frequency air-conditioner room as described in claim 1, which is characterized in that the T10、T11、
T20、T21、T30、T31It is obtained by experiment, and T11>T10, T21>T20, T31>T30。
5. DC fan control method outside a kind of convertible frequency air-conditioner room as described in claim 1, which is characterized in that step j is specific
Include:
After compressor shutdown, if detecting external disk temperature > T4, IPM temperature > T5, then rotation speed of fan N=N is controlledmax；
If detecting external disk temperature > T4, IPM temperature≤T5, then rotation speed of fan N=N is controlled4；
If detecting external disk temperature≤T4, IPM temperature > T5 then controls rotation speed of fan N=N5；
If detecting external disk temperature≤T4, IPM temperature≤T5 then closes DC fan；
Wherein, T4, T5 pass through experiment and obtain, tachometer value N5> N4。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343438.3A CN107166642B (en) | 2017-05-16 | 2017-05-16 | DC fan control method outside a kind of convertible frequency air-conditioner room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343438.3A CN107166642B (en) | 2017-05-16 | 2017-05-16 | DC fan control method outside a kind of convertible frequency air-conditioner room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107166642A CN107166642A (en) | 2017-09-15 |
| CN107166642B true CN107166642B (en) | 2019-10-01 |
Family
ID=59815176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710343438.3A Active CN107166642B (en) | 2017-05-16 | 2017-05-16 | DC fan control method outside a kind of convertible frequency air-conditioner room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107166642B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883522A (en) * | 2017-11-10 | 2018-04-06 | 广东志高暖通设备股份有限公司 | The control method and device of outdoor fan in a kind of frequency conversion heat pump air-conditioning |
| CN108131794B (en) * | 2017-12-15 | 2021-09-10 | 广东美的制冷设备有限公司 | Air conditioner fan control method, electronic device and computer readable storage medium |
| CN108344121B (en) * | 2018-01-02 | 2019-08-13 | 珠海格力电器股份有限公司 | A kind of air conditioning control method and air-conditioning |
| CN109945395B (en) * | 2019-03-21 | 2021-02-26 | 广东美的制冷设备有限公司 | Detection method, air conditioning system and medium |
| CN112594885B (en) * | 2019-04-19 | 2022-09-06 | 青岛海尔空调器有限总公司 | Air conditioner and control method thereof |
| CN110081568B (en) * | 2019-05-22 | 2021-05-28 | 广东美的制冷设备有限公司 | Air conditioner, air conditioner control method and device and readable storage medium |
| CN110454951B (en) * | 2019-08-05 | 2021-05-25 | 广东美的制冷设备有限公司 | Air conditioning system and control method thereof |
| CN110454934B (en) * | 2019-08-05 | 2021-03-19 | 广东美的制冷设备有限公司 | Air conditioner and control method and control device thereof |
| CN110454950B (en) * | 2019-08-05 | 2021-05-25 | 广东美的制冷设备有限公司 | Air conditioning system and control method thereof |
| CN113063215B (en) * | 2020-01-02 | 2022-10-25 | 青岛海尔空调电子有限公司 | Rotating speed control method of air conditioner external fan |
| CN111397002B (en) * | 2020-04-02 | 2024-02-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Controller heat dissipation assembly, control method and air conditioner |
| CN111397143A (en) * | 2020-04-16 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Control method and device for outdoor fan of air conditioner, air conditioner and storage medium |
| CN111780381B (en) * | 2020-06-01 | 2021-08-03 | 珠海格力电器股份有限公司 | Fan control method and device and air conditioner external unit |
| CN111854113B (en) * | 2020-07-20 | 2021-12-07 | 珠海格力机电工程有限公司 | Control method for double fans of air conditioner and air conditioner |
| CN113137735A (en) * | 2021-03-10 | 2021-07-20 | 海信（山东）空调有限公司 | Air conditioner and control method for outdoor fan of air conditioner |
| CN113375284B (en) * | 2021-06-30 | 2022-04-19 | 宁波奥克斯电气股份有限公司 | External fan control method and device and air conditioner |
| CN114165893A (en) * | 2021-11-30 | 2022-03-11 | 珠海格力电器股份有限公司 | Control device and method of machine room refrigerating system and machine room refrigerating system |
| CN114279056B (en) * | 2021-12-29 | 2023-05-23 | 青岛海信日立空调系统有限公司 | Machine room air conditioner |
| CN115046272B (en) * | 2022-06-21 | 2024-01-30 | 浙江正理生能科技有限公司 | Air source heat pump energy adjusting method and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455193A (en) * | 2002-04-29 | 2003-11-12 | 上海日立电器有限公司 | Digital direct-current variable frequency air conditioner controller |
| JP2004101164A (en) * | 2002-09-10 | 2004-04-02 | Lg Electronics Inc | Operating method of air conditioner, and device using the same |
| CN102287891A (en) * | 2011-06-16 | 2011-12-21 | 广东美的电器股份有限公司 | Direct current convertible frequency air conditioner and control method thereof |
| CN103940058A (en) * | 2014-03-31 | 2014-07-23 | 广东美的制冷设备有限公司 | Air conditioner, and control method and device thereof |
| CN104019528A (en) * | 2014-06-26 | 2014-09-03 | 东元总合科技（杭州）有限公司 | Efficient and energy-saving control algorithm for variable frequency air conditioner |
| CN106091275A (en) * | 2016-06-20 | 2016-11-09 | 广东美芝制冷设备有限公司 | Compressor and the combination control method of outdoor fan in air-conditioner and air-conditioner |
| CN106524421A (en) * | 2016-11-28 | 2017-03-22 | 广东美芝制冷设备有限公司 | Air conditioning system |
-
2017
- 2017-05-16 CN CN201710343438.3A patent/CN107166642B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455193A (en) * | 2002-04-29 | 2003-11-12 | 上海日立电器有限公司 | Digital direct-current variable frequency air conditioner controller |
| JP2004101164A (en) * | 2002-09-10 | 2004-04-02 | Lg Electronics Inc | Operating method of air conditioner, and device using the same |
| CN102287891A (en) * | 2011-06-16 | 2011-12-21 | 广东美的电器股份有限公司 | Direct current convertible frequency air conditioner and control method thereof |
| CN103940058A (en) * | 2014-03-31 | 2014-07-23 | 广东美的制冷设备有限公司 | Air conditioner, and control method and device thereof |
| CN104019528A (en) * | 2014-06-26 | 2014-09-03 | 东元总合科技（杭州）有限公司 | Efficient and energy-saving control algorithm for variable frequency air conditioner |
| CN106091275A (en) * | 2016-06-20 | 2016-11-09 | 广东美芝制冷设备有限公司 | Compressor and the combination control method of outdoor fan in air-conditioner and air-conditioner |
| CN106524421A (en) * | 2016-11-28 | 2017-03-22 | 广东美芝制冷设备有限公司 | Air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107166642A (en) | 2017-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107166642B (en) | DC fan control method outside a kind of convertible frequency air-conditioner room | |
| WO2018049717A1 (en) | Temperature cut-off control method applicable to air-conditioner and air-conditioner | |
| CN103940058B (en) | Air conditioner, and control method and device thereof | |
| CN102927653B (en) | Air-conditioner blows waste heat control method | |
| CN102121741B (en) | Multi-connection air conditioning unit and control method thereof during small-load refrigeration running | |
| CN106288237B (en) | A kind of halt control method of air conditioner, control device and air conditioner | |
| CN109210708A (en) | Cooler compressor control method, control device and air conditioner | |
| CN110332664A (en) | A kind of air-conditioner control method and air conditioner | |
| WO2018176621A1 (en) | Control method for heating operation of air-conditioner | |
| CN105928136B (en) | Air conditioner energy saving control method, control device and air-conditioning | |
| CN104913445B (en) | Control method, the control system of blower fan gear and the air conditioner of blower fan gear | |
| CN107062518A (en) | A kind of air-conditioner control method and control device | |
| CN104729193B (en) | The method and device that blower fan speed stabilizing works in a kind of control wind cooling refrigerator | |
| CN104729022A (en) | Variable frequency air conditioner unit starting frequency raising control method | |
| CN107676939B (en) | Control method, control system and control device of fixed-frequency air conditioner | |
| CN107014036B (en) | Heating control method, heating control device and air conditioner | |
| CN107120809A (en) | A kind of control method of air-conditioning system, device and air-conditioning system | |
| CN105465956B (en) | A kind of control method of twin-tub variable capacitance air conditioner | |
| CN106352510A (en) | Automatic-mode control method and device suitable for air conditioner | |
| WO2021088359A1 (en) | Air conditioner shutdown control method and apparatus, and air conditioner | |
| CN107588508A (en) | A kind of convertible frequency air-conditioner and control method without outdoor electric controller | |
| CN106524433B (en) | Fixed frequency air conditioner control method | |
| CN107883522A (en) | The control method and device of outdoor fan in a kind of frequency conversion heat pump air-conditioning | |
| WO2018000680A1 (en) | Active control method and device for inverter air conditioner | |
| WO2019148972A1 (en) | Method and device for controlling formation of condensate water, and computer 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 |