CN108302690A - Compressor operation frequency control method and device and variable frequency air conditioner - Google Patents
Compressor operation frequency control method and device and variable frequency air conditioner Download PDFInfo
- Publication number
- CN108302690A CN108302690A CN201710606844.4A CN201710606844A CN108302690A CN 108302690 A CN108302690 A CN 108302690A CN 201710606844 A CN201710606844 A CN 201710606844A CN 108302690 A CN108302690 A CN 108302690A
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- Prior art keywords
- frequency
- compressor
- conditioner
- temperature
- air
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000004378 air conditioning Methods 0.000 claims description 17
- 210000002445 nipple Anatomy 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/077—Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a compressor operation frequency control method and device and a variable frequency air conditioner. The compressor operation frequency control method comprises the following steps: under the condition that the installation mode of an inner machine and an outer machine of the variable frequency air conditioner is a long connecting pipe, the temperature of an indoor evaporator is obtained when the variable frequency air conditioner operates in a heating mode; controlling an operation frequency of a compressor according to a temperature of the indoor evaporator. The method for controlling the running frequency of the compressor can enhance the heating effect under the long connecting pipe of the air conditioner and is beneficial to increasing the satisfaction degree of users.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of compressor operating frequency control method, device with
And transducer air conditioning.
Background technology
Commercial convertible frequency air-conditioner has two kinds of mounting means of long and short connecting tube optional according to interior machine to the distance of outer machine.Pressure at present
Contracting machine running frequency setting method is mainly that technician personnel obtain data by experiment, and compressor operating frequency is write into master
Plate program.
For example, when air-conditioning is heated at 20 DEG C, technician show that compressor operating frequency highest is run to 40hz by experiment
When, the parameters such as pressure exhaust can be in compressor tolerance range, but when connection pipe for internal-external unit is longer, and compressor is according to presetting
Running frequency is heated, and expected heating effect can not be reached, and influences to be used for satisfaction.
Invention content
A kind of compressor operating frequency control method and device are provided in the embodiment of the present invention, to solve to exist in the prior art
When connection pipe for internal-external unit is longer, compressor carries out the technology that heating is unable to reach expected heating effect according to setting running frequency
Problem.
To achieve the above object, the embodiment of the present invention provides a kind of compressor operating frequency control method, including：In frequency conversion
In the case that the interior machine of air-conditioning is long connecting tube with the mounting means of outer machine, when the convertible frequency air-conditioner is run in a heating mode,
Obtain the temperature of indoor evaporator；The running frequency of compressor is controlled according to the temperature of the indoor evaporator.
Preferably, the running frequency of compressor is controlled according to the temperature of the indoor evaporator, including：In the room
When the temperature of interior evaporator is less than current heating mode corresponding set temperature value, the running frequency of the compressor is improved, directly
The temperature of the extremely indoor evaporator stops improving the running frequency of the compressor when reaching preset temperature value, keep the pressure
Contracting machine operates in current frequency.
Preferably, further including：The case where it is nipple that the interior machine of the convertible frequency air-conditioner is with the mounting means of outer machine
Under, when the convertible frequency air-conditioner is run in a heating mode, the running frequency for controlling the compressor is preset operation frequency
Rate.
Preferably, further including：In response to the convertible frequency air-conditioner initialization operation operation of triggering, provides and become for receiving
The input operation entry of the interior machine of frequency air-conditioning and the instruction of the mounting means of outer machine；The institute received according to the input operation entry
Instruction is stated, whether the mounting means of the interior machine for judging the convertible frequency air-conditioner and outer machine is long connecting tube, if so, then being connected according to long
The case where pipe, controls the running frequency of compressor；If not, according to the running frequency for controlling compressor the case where nipple.
According to another aspect of the present invention, a kind of compressor operating frequency control device is provided, including：Temperature obtains mould
Block, in the case where the mounting means of the interior machine of convertible frequency air-conditioner and outer machine is long connecting tube, the convertible frequency air-conditioner to heat
When being run under pattern, the temperature of the connecting tube of indoor evaporator is obtained；Frequency control module, for according to the indoor evaporator
Temperature control the running frequency of compressor.
Preferably, the frequency control module, is specifically used for the temperature in the indoor evaporator less than current heating
When the corresponding set temperature value of pattern, the running frequency of the compressor is improved, until the temperature of the indoor evaporator reaches
The running frequency for stopping improving the compressor when preset temperature value, keeps the compressor operating in current frequency.
Preferably, the frequency control module, is additionally operable to the mounting means in the interior machine and outer machine of the convertible frequency air-conditioner
In the case of for nipple, when the convertible frequency air-conditioner is run in a heating mode, the running frequency for controlling the compressor is
Preset running frequency.
Preferably, further including：Operation entry is inputted, for the convertible frequency air-conditioner initialization operation behaviour in response to triggering
Make, receives the input of the instruction of the interior machine of convertible frequency air-conditioner and the mounting means of outer machine；Judgment module, for being grasped according to the input
Make the described instruction of entrance reception, whether the mounting means of the interior machine for judging the convertible frequency air-conditioner and outer machine is long connecting tube, such as
It is then to trigger the frequency control module according to the running frequency for controlling compressor the case where long connecting tube；If not, triggering institute
Frequency control module is stated according to the running frequency for controlling compressor the case where nipple.
According to another aspect of the present invention, a kind of transducer air conditioning, including any one of the above compressor operating are provided
Frequency control apparatus.
According to another aspect of the present invention, a kind of computer readable storage medium, the computer-readable storage are provided
There are one media storages or multiple programs, one or more of programs can be executed by one or more processor, with
Realize above-mentioned compressor operating frequency control method.
It applies the technical scheme of the present invention, compressor operating frequency control method includes：Convertible frequency air-conditioner interior machine with it is outer
In the case that the mounting means of machine is long connecting tube, when the convertible frequency air-conditioner is run in a heating mode, indoor evaporator is obtained
Temperature；The running frequency of compressor is controlled according to the temperature of the indoor evaporator.Since inventor has found in internal-external machine
When connecting tube is longer, the high temperature and pressure refrigerant of compressor air-discharging first flows through connecting tube, then arrives indoor heat exchanger (i.e. indoor evaporation
Device), however connecting tube stores significant component of high pressure refrigerant so that the coolant quantity of indoor evaporator is reduced, and then is influenced
Heating effect, therefore, compressor operating frequency control method of the invention, it is proposed that in interior machine and the outer machine of convertible frequency air-conditioner
In the case that mounting means is long connecting tube, when convertible frequency air-conditioner is run in a heating mode, the temperature of indoor evaporator is obtained in real time
Degree, and then the running frequency for controlling compressor is adjusted according to the temperature of indoor evaporator in real time, to reinforce the long connecting tube of air-conditioning
Under heating effect, be conducive to increase user satisfaction.
Description of the drawings
Fig. 1 is the flow chart of the compressor operating frequency control method of the embodiment of the present invention；
Fig. 2 is the work flow diagram of the specific compressor operating frequency control method of the embodiment of the present invention；
Fig. 3 is the structure diagram of the compressor operating frequency control device of the embodiment of the present invention.
Specific implementation mode
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as the limit to the present invention
It is fixed.
Shown in Figure 1, according to an embodiment of the invention, compressor operating frequency control method includes：
Step 101：In the case where the mounting means of the interior machine of convertible frequency air-conditioner and outer machine is long connecting tube, the frequency conversion is empty
When tune is run in a heating mode, the temperature of indoor evaporator is obtained；
Step 102：The running frequency of compressor is controlled according to the temperature of the indoor evaporator.
The compressor operating frequency control method of the present invention, since inventor has found when connection pipe for internal-external unit is longer, pressure
The high temperature and pressure refrigerant of contracting machine exhaust first flows through connecting tube, then arrives indoor evaporator, however connecting tube stores quite a few
High pressure refrigerant so that the coolant quantity of indoor evaporator is reduced, and then affects heating effect, therefore, compressor of the invention
Running frequency control method, it is proposed that in the case where the mounting means of the interior machine of convertible frequency air-conditioner and outer machine is long connecting tube, become
When frequency air-conditioning is run in a heating mode, in real time obtain indoor evaporator temperature, and then according to the temperature of indoor evaporator come
The running frequency of the compressor of adjustment control in real time is conducive to increase user's to reinforce the heating effect under the long connecting tube of air-conditioning
Satisfaction.
When it is implemented, in order to realize the heating effect reinforced under the long connecting tube of air-conditioning, in the present embodiment, according to described
The temperature of indoor evaporator controls the running frequency of compressor, including：It is made less than current in the temperature of the indoor evaporator
When the corresponding set temperature value of heat pattern, the running frequency of the compressor is improved, until the temperature of the indoor evaporator reaches
To the running frequency for stopping improving the compressor when preset temperature value, keep the compressor operating in current frequency.Specifically
, in the interior machine of convertible frequency air-conditioner and outer machine under the installation situation of long connecting tube, compressor heats frequency according to indoor evaporator
Temperature adjust, when the temperature of indoor evaporator is less than the corresponding set temperature value of current heating mode (for example, 45 degree),
The running frequency of compressor is improved, meanwhile, until the temperature of indoor evaporator stops when reaching preset temperature value (for example, 55 degree)
The running frequency of compressor is improved, and keeps compressor operating in current frequency.
When it is implemented, in the present embodiment, above-mentioned compressor running frequency control method further includes：In frequency conversion sky
In the case that the mounting means of the interior machine adjusted and outer machine is nipple, when the convertible frequency air-conditioner is run in a heating mode, control
The running frequency for making the compressor is preset running frequency.Specifically, the peace of the interior machine and outer machine in convertible frequency air-conditioner
In the case that dress mode is nipple, then compressor heating can be controlled according to preset running frequency.
When it is implemented, in order to facilitate the use of the user, in the present embodiment, above-mentioned compressor running frequency control method is also
Including：In response to the convertible frequency air-conditioner initialization operation operation of triggering, the interior machine for receiving convertible frequency air-conditioner and outer machine are provided
Mounting means instruction input operation entry (for example, the input operation entry can be air-conditioning display)；According to described
The described instruction that operation entry receives is inputted, whether the mounting means of the interior machine for judging the convertible frequency air-conditioner and outer machine is long connection
Pipe, if so, then according to the running frequency for controlling compressor the case where long connecting tube；If not, being controlled according to the case where nipple
The running frequency of compressor processed.
Specifically, as shown in Fig. 2, after air-conditioning installs, be switched on trial operation when, can automatically be carried with air-conditioning display
It asks, judges whether the air-conditioning is long connecting tube installation situation, and nipple installation situation can be set as to pattern one, connect long
Take over installation situation is set as pattern two, and after client selects corresponding modes, if it is long connecting tube installation situation, i.e. detection is indoor
The temperature of evaporator, and the running frequency of compressor is adjusted according to the temperature in real time；If it is nipple installation situation, then control
The running frequency of compressor processed is preset running frequency.
In embodiments of the present invention, a kind of compressor operating frequency control device is additionally provided, as shown in figure 3, the device
Including：
The case where temperature acquisition module 301, the mounting means for interior machine and outer machine in convertible frequency air-conditioner is long connecting tube
Under, when the convertible frequency air-conditioner is run in a heating mode, obtain the temperature of indoor evaporator；
Frequency control module 302, the running frequency for controlling compressor according to the temperature of the indoor evaporator.
Preferably, the frequency control module, is specifically used for the temperature in the indoor evaporator less than current heating
When the corresponding set temperature value of pattern, the running frequency of the compressor is improved, until the temperature of the indoor evaporator reaches
The running frequency for stopping improving the compressor when preset temperature value, keeps the compressor operating in current frequency.
Preferably, the frequency control module, is additionally operable to the mounting means in the interior machine and outer machine of the convertible frequency air-conditioner
In the case of for nipple, when the convertible frequency air-conditioner is run in a heating mode, the running frequency for controlling the compressor is
Preset running frequency.
Preferably, above-mentioned compressor running frequency control device further includes：Operation entry is inputted, in response to triggering
The convertible frequency air-conditioner initialization operation operation, receive the input of the instruction of the interior machine of convertible frequency air-conditioner and the mounting means of outer machine；
Judgment module, the described instruction for being received according to the input operation entry, judges the interior machine of the convertible frequency air-conditioner and outer machine
Mounting means whether be long connecting tube, if so, then trigger the frequency control module according to the case where long connecting tube control press
The running frequency of contracting machine；If not, triggering the frequency control module according to the operation for controlling compressor the case where nipple
Frequency.
When it is implemented, a kind of transducer air conditioning is additionally provided in embodiments of the present invention, including any one of the above pressure
Contracting machine running frequency control device.
When it is implemented, a kind of computer readable storage medium is additionally provided in embodiments of the present invention, the computer
Readable storage medium storing program for executing is stored with one or more program, and one or more of programs can be by one or more processor
It executes, to realize above-mentioned compressor operating frequency control method.
Certainly, it is above the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, under the premise of not departing from general principles, several improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of compressor operating frequency control method, which is characterized in that including：
In the case where the mounting means of the interior machine of convertible frequency air-conditioner and outer machine is long connecting tube, the convertible frequency air-conditioner is in heating mode
When lower operation, the temperature of indoor evaporator is obtained；
The running frequency of compressor is controlled according to the temperature of the indoor evaporator.
2. compressor operating frequency control method according to claim 1, which is characterized in that according to the indoor evaporator
Temperature control the running frequency of compressor, including：
In the temperature of indoor evaporator set temperature value corresponding less than current heating mode, the compressor is improved
Running frequency, until the temperature of the indoor evaporator stops improving the operation frequency of the compressor when reaching preset temperature value
Rate keeps the compressor operating in current frequency.
3. compressor operating frequency control method according to claim 1 or 2, which is characterized in that further include：
In the case where the mounting means of the interior machine of the convertible frequency air-conditioner and outer machine is nipple, the convertible frequency air-conditioner is heating
When being run under pattern, the running frequency for controlling the compressor is preset running frequency.
4. compressor operating frequency control method according to claim 3, which is characterized in that further include：
In response to the convertible frequency air-conditioner initialization operation operation of triggering, the interior machine for receiving convertible frequency air-conditioner and outer machine are provided
The input operation entry of the instruction of mounting means；
According to the described instruction that the input operation entry receives, the mounting means of the interior machine and outer machine of the convertible frequency air-conditioner is judged
Whether it is long connecting tube, if so, then according to the running frequency for controlling compressor the case where long connecting tube；If not, according to short company
The case where taking over controls the running frequency of compressor.
5. a kind of compressor operating frequency control device, which is characterized in that including：
Temperature acquisition module is used in the case where the mounting means of the interior machine of convertible frequency air-conditioner and outer machine is long connecting tube, described
When convertible frequency air-conditioner is run in a heating mode, the temperature of indoor evaporator is obtained；
Frequency control module, the running frequency for controlling compressor according to the temperature of the indoor evaporator.
6. compressor operating frequency control device according to claim 5, which is characterized in that the frequency control module,
When set temperature value corresponding less than current heating mode specifically for the temperature in the indoor evaporator, the compression is improved
The running frequency of machine, until the temperature of the indoor evaporator stops improving the operation of the compressor when reaching preset temperature value
Frequency keeps the compressor operating in current frequency.
7. compressor operating frequency control device according to claim 5 or 6, which is characterized in that the FREQUENCY CONTROL mould
Block is additionally operable in the case where the mounting means of the interior machine of the convertible frequency air-conditioner and outer machine is nipple, the convertible frequency air-conditioner
When running in a heating mode, the running frequency for controlling the compressor is preset running frequency.
8. compressor operating frequency control device according to claim 7, which is characterized in that further include：
Operation entry is inputted, for the convertible frequency air-conditioner initialization operation operation in response to triggering, receives the interior of convertible frequency air-conditioner
The input of machine and the instruction of the mounting means of outer machine；
Judgment module, the described instruction for being received according to the input operation entry, judge the interior machine of the convertible frequency air-conditioner with
Whether the mounting means of outer machine is long connecting tube, is controlled according to the case where long connecting tube if so, then triggering the frequency control module
The running frequency of compressor processed；If not, triggering the frequency control module according to control compressor the case where nipple
Running frequency.
9. a kind of transducer air conditioning, which is characterized in that including：Compressor operating frequency described in any one of claim 5-8
Control device.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage there are one or
Multiple programs, one or more of programs can be executed by one or more processor, be appointed with realizing in claim 1-4
Method described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606844.4A CN108302690A (en) | 2017-07-24 | 2017-07-24 | Compressor operation frequency control method and device and variable frequency air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606844.4A CN108302690A (en) | 2017-07-24 | 2017-07-24 | Compressor operation frequency control method and device and variable frequency air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302690A true CN108302690A (en) | 2018-07-20 |
Family
ID=62872516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710606844.4A Pending CN108302690A (en) | 2017-07-24 | 2017-07-24 | Compressor operation frequency control method and device and variable frequency air conditioner |
Country Status (1)
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| CN (1) | CN108302690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212462A (en) * | 2020-09-21 | 2021-01-12 | 青岛海尔空调电子有限公司 | Air conditioner and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10153335A (en) * | 1996-11-21 | 1998-06-09 | Hitachi Ltd | Method for controlling start of air conditioner |
| JP2005024153A (en) * | 2003-07-01 | 2005-01-27 | Matsushita Electric Ind Co Ltd | Method of controlling operating frequency of compressor of multi-chamber air conditioner |
| KR20050075101A (en) * | 2004-01-15 | 2005-07-20 | 엘지전자 주식회사 | Refrigerants volume control method of long pipe of multi type air conditioner |
| KR20050105736A (en) * | 2004-05-03 | 2005-11-08 | 엘지전자 주식회사 | Air conditioner and method of controlling the same |
| JP2009115384A (en) * | 2007-11-06 | 2009-05-28 | Mitsubishi Heavy Ind Ltd | Air conditioner |
| CN106247676A (en) * | 2016-08-16 | 2016-12-21 | 广东美的暖通设备有限公司 | The control method of air-conditioner, control device and air-conditioner |
-
2017
- 2017-07-24 CN CN201710606844.4A patent/CN108302690A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10153335A (en) * | 1996-11-21 | 1998-06-09 | Hitachi Ltd | Method for controlling start of air conditioner |
| JP2005024153A (en) * | 2003-07-01 | 2005-01-27 | Matsushita Electric Ind Co Ltd | Method of controlling operating frequency of compressor of multi-chamber air conditioner |
| KR20050075101A (en) * | 2004-01-15 | 2005-07-20 | 엘지전자 주식회사 | Refrigerants volume control method of long pipe of multi type air conditioner |
| KR20050105736A (en) * | 2004-05-03 | 2005-11-08 | 엘지전자 주식회사 | Air conditioner and method of controlling the same |
| JP2009115384A (en) * | 2007-11-06 | 2009-05-28 | Mitsubishi Heavy Ind Ltd | Air conditioner |
| CN106247676A (en) * | 2016-08-16 | 2016-12-21 | 广东美的暖通设备有限公司 | The control method of air-conditioner, control device and air-conditioner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212462A (en) * | 2020-09-21 | 2021-01-12 | 青岛海尔空调电子有限公司 | Air conditioner and control method thereof |
| CN112212462B (en) * | 2020-09-21 | 2023-04-25 | 青岛海尔空调电子有限公司 | Air conditioner and control method thereof |
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180720 |
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