CN105299827B - Air conditioning system and control method thereof - Google Patents
Air conditioning system and control method thereof Download PDFInfo
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- CN105299827B CN105299827B CN201510654135.4A CN201510654135A CN105299827B CN 105299827 B CN105299827 B CN 105299827B CN 201510654135 A CN201510654135 A CN 201510654135A CN 105299827 B CN105299827 B CN 105299827B
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- refrigerant
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims abstract description 87
- 238000001514 detection method Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000001351 cycling effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioning system and a control method thereof, which judge whether the length of a connecting pipe is too long or too short according to the temperature of a refrigerant inlet pipe of an indoor unit so as to adapt to the change of the length of the connecting pipe between the indoor unit and an outdoor unit, dynamically control the air conditioning system and ensure the refrigerating effect and the energy conservation of the air conditioning system.
Description
Technical field
The present invention relates to air-conditioning technicals, and in particular to a kind of air-conditioning system and its control method.
Background technology
Existing air-conditioning system typically controls compressor output in refrigeration according to given target low-pressure.?
When compressor admission pressure is high, compressor loads are just controlled；When admission pressure is low, compressor unloading is just controlled.To ensure
The refrigeration effect of indoor unit.And target low-pressure is all previously given fixed value or numberical range.
However, in Practical Project, connection length of tube between indoor unit and outdoor unit can with the variation of mounting condition and
Variation.If connected, length of tube is long, and the crushing of refrigerant pressure caused by connecting tube is larger, this can make the air inlet of compressor
Hypotony so that compressor output is pulled low, and then influences refrigeration effect.On the other hand, if connection length of tube mistake
Short, it will cause crushings to be less than expected design, higher so as to cause compressor admission pressure, therewith so that compressor output carries
It is high so that unit power consumption increases.
Invention content
In view of this, the present invention provides a kind of air-conditioning system and its control method, be adapted to indoor unit and outdoor unit it
Between connection length of tube variation, and dynamic control air-conditioning system, while ensureing the refrigeration effect and energy saving of air-conditioning system.
In a first aspect, a kind of air-conditioning system is provided, including：
At least one indoor unit, the indoor unit include indoor unit expansion valve, enter pipe temperature sensing package and evaporator；
Compressor is connect with the refrigerant escape pipe of the indoor unit；
Outdoor heat exchanger is connected between the compressor and the indoor unit；
Control device, the refrigerant for entering the detection of pipe temperature sensing package according to enter tube temperature degree and control the compressor；
The air-conditioning system further includes：
Low pressure sensor, the admission pressure of the refrigerant for detecting the compressor sucking；
The control device, which is used to enter tube temperature degree according to the refrigerant, periodically adjusts target low-pressure, and described in control
Compressor makes the admission pressure be intended to the target low-pressure.
Preferably, the control device is used to, when the refrigerant enters tube temperature degree less than first threshold, increase the mesh
Low pressure is marked, when the refrigerant enters tube temperature degree more than second threshold, reduces the target low-pressure, enters tube temperature in the refrigerant
Degree keeps the target low-pressure constant less than or equal to second threshold and when being more than or equal to first threshold.
Preferably, the control device is used for when the refrigerant enters tube temperature degree less than first threshold, by the target
Low pressure increases X-T1, and wherein X is the first threshold, and T1 is that the refrigerant enters tube temperature degree.
Preferably, the control device is used for when the refrigerant enters tube temperature degree more than second threshold, by the target
Low pressure reduces T1-Y, and wherein Y is the second threshold, and T1 is that the refrigerant enters tube temperature degree.
Preferably, the air-conditioning system includes multiple indoor units, and it is entering for predetermined indoor unit that the refrigerant, which enters tube temperature degree,
The temperature of pipe temperature sensing package detection or the mean value for entering the temperature that pipe temperature sensing package detects of all indoor units.
Second aspect provides a kind of air conditioner system control method, including：
The refrigerant for entering the detection of pipe temperature sensing package for obtaining air-conditioning system indoor unit enters tube temperature degree；
Enter the compressor that tube temperature degree controls the air-conditioning system according to the refrigerant；
It is described tube temperature degree entered according to the refrigerant control the compressor of the air-conditioning system include：
Enter tube temperature degree according to the refrigerant and periodically adjust the target low-pressure of the compressor, and controls the compression
Machine makes the admission pressure of compressor be intended to the target low-pressure.
Preferably, it is described tube temperature degree entered according to the refrigerant periodically adjust the target low-pressure include：
When the refrigerant enters tube temperature degree less than first threshold, increase the target low-pressure；
When the refrigerant enters tube temperature degree more than second threshold, reduce the target low-pressure；
The target is kept when the refrigerant enters tube temperature degree less than or equal to second threshold and is more than or equal to first threshold
Low pressure is constant.
Preferably, the increase target low-pressure is：
The target low-pressure is increased into X-T1, wherein X is the first threshold, and T1 is that the refrigerant enters tube temperature degree.
Preferably, the reduction target low-pressure is：
The target low-pressure reduces T1-Y, and wherein Y is the second threshold, and T1 is that the refrigerant enters tube temperature degree.
Preferably, the air-conditioning system includes multiple indoor units；
The refrigerant that the acquisition air-conditioning system indoor unit enters the detection of pipe temperature sensing package enters tube temperature degree and includes：
The temperature for entering the detection of pipe temperature sensing package for obtaining a scheduled indoor unit enters tube temperature degree as the refrigerant；Or
The mean value for calculating the temperature for entering the detection of pipe temperature sensing package of all indoor units enters tube temperature degree as the refrigerant.
Judge whether the length of connecting tube is long or too short by entering tube temperature degree according to the refrigerant of indoor unit so that empty
Adjusting system is adapted to the variation of the connection length of tube between indoor unit and outdoor unit and runs, at the same ensure refrigeration effect with
Energy saving.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 is the schematic diagram of the air-conditioning system of first embodiment of the invention；
Fig. 2 is the flow chart of the air conditioner system control method of second embodiment of the invention.
Specific implementation mode
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
Text to the present invention datail description in, it is detailed to describe some specific detail sections.Do not have for a person skilled in the art
The description of these detail sections can also understand the present invention completely.In order to avoid obscuring the essence of the present invention, well known method, mistake
There is no narrations in detail for journey, flow, element and circuit.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being containing for " including but not limited to "
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indicating or implying relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
Fig. 1 is the schematic diagram of the air-conditioning system of first embodiment of the invention.As shown in Figure 1, the air-conditioning system includes extremely
A few indoor unit 1, compressor 2, outdoor heat exchanger 3 and control device 4.Wherein indoor unit 1 is set to interior, compressor 2, room
External heat exchanger 3 and control device 4 are at least partially arranged at outdoor.
Indoor unit 1 includes indoor unit expansion valve 11, enters pipe temperature sensing package 12 and evaporator 13.Preferably, indoor unit 1 further includes
Indoor environment temperature sensing package 15 and outlet pipe temperature sensing package 14.Indoor environment temperature sensing package 15 and outlet pipe temperature sensing package 14 can be used for carrying out indoor ring
The detection of the detection in border and the refrigerant outlet pipe temperature of indoor unit.The parameter of these detections can be used for carrying out it to air-conditioning system
Control in terms of it.
Wherein, indoor unit expansion valve 11 is for throttling to refrigerant.Enter pipe temperature sensing package 12 for detect throttle it is laggard
Enter the temperature T1 of the refrigerant of evaporator 13, that is, refrigerant enters tube temperature degree.If the temperature is too low, illustrate that connecting tube is too short,
The output of compressor is bigger than normal, and the temperature is excessively high, then illustrates that connecting tube is long, and the output of compressor is less than normal.Thus, it is possible to according to
The refrigerant of indoor unit 1 enters tube temperature degree and judges whether connecting tube is too short or long.
Compressor 2 is connect with the refrigerant escape pipe of indoor unit 1.
Outdoor heat exchanger 3 is connected between compressor 2 and indoor unit 1, the system of the high temperature and pressure for exporting compressor 2
It is input to indoor unit 1 after cryogen cooling.
Control device 4 is connect with indoor unit 1, compressor 2, and the refrigerant for entering the detection of pipe temperature sensing package according to enters pipe
Temperature T1 control compressors 2 load, so that the adaptive load of compressor 2 is adjusted in the length variation of connecting tube, ensure empty
The refrigeration effect and energy saving of adjusting system.
Specifically, in the present embodiment, with the admission pressure of compressor, parameter is controlled in order to control, as a result, air-conditioning system
System includes low pressure sensor 5, is used to detect the admission pressure for the refrigerant for introducing the compressor.Low pressure sensor 5 can be with
It is connected in the air inlet pipe of compressor 2.Meanwhile air-conditioning system can also include the gas-liquid separation being connect with 2 air inlet pipe of compressor
Device 6 is used to carry out gas-liquid separation to the refrigerant vapour that indoor unit is discharged, and low pressure sensor 5 can be connected to gas-liquid separation
The air inlet side of device 6 goes out gas side.
When with admission pressure Te parameters in order to control, control device 4 is used to enter tube temperature degree T1 periodically according to refrigerant
The target low-pressure Tet is adjusted, and controls compressor 2 so that admission pressure Te is intended to target low-pressure Tet.Pass through tune as a result,
Target low-pressure Tet is saved to adjust the target load of compressor 2, so that the variation that compressor 2 is adapted to connection length of tube increases
Big or reduction output.
Further, control device 4 periodically adjusts target low-pressure Tet as follows：
When refrigerant enters tube temperature degree T1 less than first threshold X (that is, T1<When X), increase target low-pressure Tet.
When refrigerant enters tube temperature degree T1 more than second threshold Y (that is, T1>When Y), reduce the low Tet of target.
When refrigerant enters tube temperature degree T1 less than or equal to second threshold Y and is more than or equal to first threshold X (that is, X≤T1≤
When Y), keep target low-pressure Tet constant.
That is, in each controlling cycle, tube temperature degree T1 is entered according to refrigerant, target low-pressure is once adjusted so that
Target low-pressure increased relative to the value in a upper period, and reduced or remains unchanged.Meanwhile after the completion of target low-pressure adjusts, control
The target low-pressure Tet for operating such that admission pressure Te and being intended to after adjustment of compressor.Pass through one or more periods as a result,
Adjustment control tube temperature degree T1 can be made to be maintained between first threshold X and second threshold Y.At this point, since refrigerant enters
Tube temperature degree T1 is maintained at preset range, and therefore, the refrigeration effect of indoor unit is guaranteed.Meanwhile compressor not to exceed
The work status of desired extent, power consumption control in the reasonable scope, realize the efficient utilization to compressor.
In a preferred embodiment of the present embodiment, when refrigerant enters tube temperature degree T1 less than first threshold X, by mesh
It marks low pressure Tet and increases X-T1, that is, Tetn=Tetn-1+(X-T1)。
Meanwhile when refrigerant enters tube temperature degree T1 more than second threshold Y, target low-pressure Tet is reduced into T1-Y, that is,
Tetn=Tetn-1-(T1-Y)。
The difference that the adjustment amplitude of target low-pressure and refrigerant are entered to tube temperature degree and first threshold or second threshold as a result, is closed
Connection, when gap is larger, substantially adjusts target low-pressure, and fine tune is carried out to target low-pressure when gap is smaller, can
So that target low-pressure can be readily adjusted optimum value.
In another preferred embodiment of the present embodiment, the air-conditioning system includes multiple indoor units, in this premise
Under, enter the temperature for entering the detection of pipe temperature sensing package or institute that tube temperature degree T1 is predetermined indoor unit for being adjusted the refrigerant used
There is the mean value for entering the temperature that pipe temperature sensing package detects of indoor unit.
It should be understood that as shown in Figure 1, in air-conditioning system can also include other components, such as：2 air inlet pipe of connect compressor,
The four-way valve 7 of 4 air inlet pipe of exhaust pipe, 1 exhaust pipe of indoor unit and outdoor heat exchanger；It is connect with 3 exhaust pipe of outdoor heat exchanger swollen
Swollen valve 8, and the shut-off valve 9 and A that are set in refrigerant tracheae and liquid pipe.Can also include simultaneously others in air-conditioning system
Parameter detecting component, for example, being set to the exhaust pipe temperature sensing package B and high pressure sensor C of 2 exhaust outlet of compressor；With outdoor heat exchange
The outdoor environment temperature sensing package D etc. that device 3 is set together.Above-mentioned component cooperates under the control of control device 4 to realize sky
Other functions of adjusting system, details are not described herein.
Fig. 2 is the flow chart of the air conditioner system control method of second embodiment of the invention.As shown in Fig. 2, the controlling party
Method includes：
Step 100, the refrigerant for entering the detection of pipe temperature sensing package for obtaining air-conditioning system indoor unit enter tube temperature degree T1.
Step 200, the compressor for entering tube temperature degree control air-conditioning system according to refrigerant.
Above step can be carried out periodically.
Wherein, when air-conditioning system includes multiple indoor units, the step 100 includes obtaining a scheduled indoor unit
Enter pipe temperature sensing package detection temperature enter tube temperature degree as refrigerant, alternatively, calculate all indoor units enter pipe temperature sensing package detect
The mean value of temperature enters tube temperature degree as refrigerant.
Judge whether the length of connecting tube is long or too short by entering tube temperature degree according to the refrigerant of indoor unit as a result,
So that air-conditioning system can be adapted for running to be adapted to the variation of the connection length of tube between indoor unit and outdoor unit, simultaneously
Ensure refrigeration effect and energy saving.
Wherein, step 200 may include：Enter tube temperature degree T1 according to refrigerant and periodically adjust target low-pressure Tet, and controls
Compressor processed makes its admission pressure Te be intended to target low-pressure Tet.That is, being led to as control parameter using admission pressure Te
Adjustment target low-pressure is crossed to adjust compressor state.The target of compressor 2 to be adjusted by adjusting target low-pressure Tet negative as a result,
Lotus, so that the variation that compressor 2 is adapted to connection length of tube increases or reduces output.
Further, step 200 can further include adjusts target low-pressure Tet as follows：
When refrigerant enters tube temperature degree T1 less than first threshold X (that is, T1<When X), increase target low-pressure Tet.At this point,
It is too low due to entering tube temperature degree T1, illustrate that connecting tube is too short, compressor output is excessive.
When refrigerant enters tube temperature degree T1 more than second threshold Y (that is, T1>When Y), reduce the low Tet of target.At this point, by
In entering, tube temperature degree T1 is excessively high, illustrates that connecting tube is long, and compressor output is too small.
When refrigerant enters tube temperature degree T1 less than or equal to second threshold Y and is more than or equal to first threshold X (that is, X≤T1≤
When Y), keep target low-pressure Tet constant.At this point, due to entering tube temperature degree T1 in predetermined range, illustrate to connect length of tube pre-
Within the scope of phase, the output of compressor is suitable.
That is, in each controlling cycle, tube temperature degree T1 is entered according to refrigerant, target low-pressure is once adjusted so that
Target low-pressure increased relative to the value in a upper period, and reduced or remains unchanged.Meanwhile after the completion of target low-pressure adjusts, control
The target low-pressure Tet for operating such that admission pressure Te and being intended to after adjustment of compressor.Pass through one or more periods as a result,
Adjustment control tube temperature degree T1 can be made to be maintained between first threshold X and second threshold Y.At this point, since refrigerant enters
Tube temperature degree T1 is maintained at preset range, and therefore, the refrigeration effect of indoor unit is guaranteed.Meanwhile compressor does not make excess of export
Go out the work of desired extent, power consumption also in the reasonable scope, realizes the efficient utilization to compressor.
In a preferred embodiment of the present embodiment, control device 4 enters tube temperature degree T1 in refrigerant and is less than the first threshold
When value X, target low-pressure Tet is increased into X-T1, that is, Tetn=Tetn-1+(X-T1)。
Meanwhile when refrigerant enters tube temperature degree T1 more than second threshold Y, target low-pressure Tet is reduced into T1-Y, that is,
Tetn=Tetn-1-(T1-Y)。
The difference that the adjustment amplitude of target low-pressure and refrigerant are entered to tube temperature degree and first threshold or second threshold as a result, is closed
Connection, when gap is larger, substantially adjusts target low-pressure, and fine tune is carried out to target low-pressure when gap is smaller, can
So that target low-pressure can be readily adjusted optimum value.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For, the present invention can have various modifications and changes.It is all within spirit and principles of the present invention made by any modification, equivalent
Replace, improve etc., it should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of air-conditioning system, including：
At least one indoor unit, the indoor unit include indoor unit expansion valve, enter pipe temperature sensing package and evaporator；
Compressor is connect with the refrigerant escape pipe of the indoor unit；
Outdoor heat exchanger is connected between the compressor and the indoor unit；
Control device, the refrigerant for entering the detection of pipe temperature sensing package according to enter tube temperature degree and control the compressor；
Low pressure sensor, the admission pressure of the refrigerant for detecting the compressor sucking；
The control device periodically adjusts target low-pressure for entering tube temperature degree according to the refrigerant, and controls the compression
Machine makes the admission pressure be intended to the target low-pressure.
2. air-conditioning system according to claim 1, which is characterized in that the control device is used to enter pipe in the refrigerant
When temperature is less than first threshold, increase the target low-pressure, when the refrigerant enters tube temperature degree more than second threshold, reduces institute
Target low-pressure is stated, the mesh is kept when the refrigerant enters tube temperature degree less than or equal to second threshold and is more than or equal to first threshold
It is constant to mark low pressure.
3. air-conditioning system according to claim 2, which is characterized in that the control device is used to enter pipe in the refrigerant
When temperature is less than first threshold, the target low-pressure is increased into X-T1, wherein X is the first threshold, and T1 is the refrigerant
Enter tube temperature degree.
4. air-conditioning system according to claim 2, which is characterized in that the control device is used to enter pipe in the refrigerant
When temperature is more than second threshold, the target low-pressure is reduced into T1-Y, wherein Y is the second threshold, and T1 is the refrigerant
Enter tube temperature degree.
5. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system includes multiple indoor units, described
Refrigerant enters the temperature for entering the detection of pipe temperature sensing package that tube temperature degree is predetermined indoor unit or the pipe temperature sensing package that enters of all indoor units detects
The mean value of the temperature arrived.
6. a kind of air conditioner system control method, including：
The refrigerant for entering the detection of pipe temperature sensing package for obtaining air-conditioning system indoor unit enters tube temperature degree；
Enter the compressor that tube temperature degree controls the air-conditioning system according to the refrigerant；
It is described tube temperature degree entered according to the refrigerant control the compressor of the air-conditioning system include：
Enter tube temperature degree according to the refrigerant and periodically adjust the target low-pressure of the compressor, and controls the compressor to make
The admission pressure for obtaining compressor is intended to the target low-pressure.
7. control method according to claim 6, which is characterized in that described according to the refrigerant to enter pipe Temperature cycling
Ground adjusts the target low-pressure：
When the refrigerant enters tube temperature degree less than first threshold, increase the target low-pressure；
When the refrigerant enters tube temperature degree more than second threshold, reduce the target low-pressure；
The target low-pressure is kept when the refrigerant enters tube temperature degree less than or equal to second threshold and is more than or equal to first threshold
It is constant.
8. control method according to claim 7, which is characterized in that described to increase the target low-pressure and be：
The target low-pressure is increased into X-T1, wherein X is the first threshold, and T1 is that the refrigerant enters tube temperature degree.
9. control method according to claim 7, which is characterized in that described to reduce the target low-pressure and be：
The target low-pressure reduces T1-Y, and wherein Y is the second threshold, and T1 is that the refrigerant enters tube temperature degree.
10. control method according to claim 6, which is characterized in that the air-conditioning system includes multiple indoor units；
The refrigerant that the acquisition air-conditioning system indoor unit enters the detection of pipe temperature sensing package enters tube temperature degree and includes：
The temperature for entering the detection of pipe temperature sensing package for obtaining a scheduled indoor unit enters tube temperature degree as the refrigerant；Or
The mean value for calculating the temperature for entering the detection of pipe temperature sensing package of all indoor units enters tube temperature degree as the refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510654135.4A CN105299827B (en) | 2015-10-10 | 2015-10-10 | Air conditioning system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510654135.4A CN105299827B (en) | 2015-10-10 | 2015-10-10 | Air conditioning system and control method thereof |
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| CN105299827A CN105299827A (en) | 2016-02-03 |
| CN105299827B true CN105299827B (en) | 2018-11-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870633B (en) | 2018-06-28 | 2019-10-25 | 珠海格力电器股份有限公司 | Control method and device of air conditioning system |
| CN112984707B (en) * | 2021-03-29 | 2023-03-28 | 宁波奥克斯电气股份有限公司 | Refrigeration control method of multi-connected indoor unit air conditioner, air conditioner and application |
| CN113324287A (en) * | 2021-05-21 | 2021-08-31 | 广东美的暖通设备有限公司 | Method and device for identifying lengths of connecting pipes of indoor unit and outdoor unit and air conditioning system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086363A (en) * | 2006-06-06 | 2007-12-12 | 乐金电子(天津)电器有限公司 | Multi-split air conditioner |
| CN102486333A (en) * | 2010-12-01 | 2012-06-06 | 珠海格力电器股份有限公司 | Air conditioning system and length judgment method for indoor and outdoor unit connecting pipe thereof |
| CN103375871A (en) * | 2012-04-16 | 2013-10-30 | 珠海格力电器股份有限公司 | Automatic adjusting method for capacity of air conditioning system |
| CN103486700A (en) * | 2012-06-14 | 2014-01-01 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN104776659A (en) * | 2015-04-14 | 2015-07-15 | 四川长虹空调有限公司 | Multi-split air conditioner refrigerant balancing control method and air conditioning system for achieving same |
| CN205156208U (en) * | 2015-10-10 | 2016-04-13 | 珠海格力电器股份有限公司 | Air conditioning system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100827876B1 (en) * | 2003-05-15 | 2008-05-07 | 엘지전자 주식회사 | Safety operation apparatus and its method for outdoor's unit |
-
2015
- 2015-10-10 CN CN201510654135.4A patent/CN105299827B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086363A (en) * | 2006-06-06 | 2007-12-12 | 乐金电子(天津)电器有限公司 | Multi-split air conditioner |
| CN102486333A (en) * | 2010-12-01 | 2012-06-06 | 珠海格力电器股份有限公司 | Air conditioning system and length judgment method for indoor and outdoor unit connecting pipe thereof |
| CN103375871A (en) * | 2012-04-16 | 2013-10-30 | 珠海格力电器股份有限公司 | Automatic adjusting method for capacity of air conditioning system |
| CN103486700A (en) * | 2012-06-14 | 2014-01-01 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN104776659A (en) * | 2015-04-14 | 2015-07-15 | 四川长虹空调有限公司 | Multi-split air conditioner refrigerant balancing control method and air conditioning system for achieving same |
| CN205156208U (en) * | 2015-10-10 | 2016-04-13 | 珠海格力电器股份有限公司 | Air conditioning system |
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| CN105299827A (en) | 2016-02-03 |
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