CN107289682A - Air conditioner starts control method, control system, starter and air conditioner - Google Patents
Air conditioner starts control method, control system, starter and air conditioner Download PDFInfo
- Publication number
- CN107289682A CN107289682A CN201710554147.9A CN201710554147A CN107289682A CN 107289682 A CN107289682 A CN 107289682A CN 201710554147 A CN201710554147 A CN 201710554147A CN 107289682 A CN107289682 A CN 107289682A
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- heat exchanger
- air conditioner
- indoor
- indoor set
- liquid refrigerants
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000007858 starting material Substances 0.000 title claims abstract description 17
- 239000003507 refrigerant Substances 0.000 claims abstract description 164
- 239000007788 liquid Substances 0.000 claims abstract description 84
- 238000010438 heat treatment Methods 0.000 claims abstract description 65
- 230000008569 process Effects 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 abstract description 7
- 239000002826 coolant Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Start control method, control system, starter and air conditioner the present invention relates to a kind of air conditioner, wherein, control method, which is included in, to be received after start-up mode instruction, determine the need for preheating refrigerant according to the heat exchanger tube temperature of start-up mode information and/or indoor set heat exchanger (11), the liquid refrigerants preheating for side of being circulated to the liquid refrigerants of indoor set heat exchanger (11) is opened if necessary;Control reversal valve (4) commutation switches to heating mode after the first preset time is heated;Indoor fan (12) operation is controlled when refrigerant temperature meets and required.Such a control method can be before heating mode be switched to by reversal valve commutation; the liquid refrigerants of the liquid refrigerants circulation side of indoor set heat exchanger is preheated; with when reversal valve commutates or after commutation in the short period; refrigerant temperature is set to meet the entry condition of indoor fan; avoid the occurrence of high voltage protective; so as to ensure that unit is normally run, raising heats comfortableness.
Description
Technical field
Start control method, control system, startup the present invention relates to air conditioner technical field, more particularly to a kind of air conditioner
Device and air conditioner.
Background technology
At present, with social development, the raising of living standards of the people, air-cooled ducted air conditioner more and more enters regarding for people
Open country, is widely used in a variety of places such as hotel, apartment, hotel, office.Market Feedback is after the completion of heating mode start or defrost
Unit can report high voltage protective when recovering heating mode, due to heating during startup, and unit enters anti-cool wind mode, and inner blower is not opened
Dynamic, pressure at expulsion can rise violently quickly, and the pressure more than high-voltage switch gear protects setting value, causes the failure of high voltage protective.
The content of the invention
Start control method, control system and air conditioner the purpose of the present invention is to propose to a kind of air conditioner, can pass through
Reversal valve commutation makes blower fan start as early as possible after entering heating mode, to avoid the occurrence of high voltage protective, unit is normally run.
According to an aspect of the invention, it is proposed that a kind of air conditioner starts control method, including:
After the start-up mode for receiving air conditioner is instructed, according to changing for start-up mode information and/or indoor set heat exchanger
Heat pipe temperature is determined the need for preheating refrigerant, and the liquid refrigerant stream to indoor set heat exchanger is opened if necessary
The liquid refrigerants preheating of logical side;
The commutation of control reversal valve switches to heating mode after the first preset time is heated;
Indoor fan operation is controlled when refrigerant temperature meets and required.
Further, while the control reversal valve commutation switches to heating mode, in addition to:Stop to the room
The liquid refrigerants heating of the liquid refrigerants circulation side of interior machine heat exchanger.
Further, before the step of control indoor fan is run, in addition to:
Detect the heat exchanger tube temperature of the indoor set heat exchanger;
Judge whether the heat exchanger tube temperature of the indoor set heat exchanger reaches the first preset temperature value, if it is control institute
Indoor fan operation is stated, otherwise makes the preset time of continuous service second after reversal valve commutation, then control the indoor fan with low
Wind shelves mode operation.
Further, if it is judged that the heat exchanger tube temperature of the indoor set heat exchanger reaches the first preset temperature value, then
The step of controlling the indoor fan to run specifically includes:
Judge whether the heat exchanger tube temperature of the indoor set heat exchanger reaches the second preset temperature value, if it is control institute
State indoor fan to set wind shelves mode operation, otherwise control the indoor fan with low wind shelves mode operation;Wherein, described
Two preset temperature values are more than first preset temperature value.
Further, if the indoor fan is with low wind shelves mode operation, in the indoor fan with low wind shelves mould
Formula is run after the 3rd preset time, switches to the indoor fan to set wind shelves mode operation.
Further, when the start-up mode instruction received is starts with heating mode, in addition to:
Detect indoor environment temperature;
Second preset time and the 3rd preset time are determined according to indoor environment temperature.
Further, the heat exchanger tube temperature according to start-up mode information and/or indoor set heat exchanger determines whether need
Pre-warmed step is carried out to refrigerant to specifically include:
When start-up mode information is to be started with heating mode, refrigerant is preheated while compressor start;
Or
When start-up mode information for when being started with defrost pattern:
Detect the heat exchanger tube temperature of the indoor set heat exchanger;
Judge the indoor set heat exchanger heat exchanger tube temperature whether be less than the 3rd preset temperature value, if it is, with
The liquid refrigerants of the liquid refrigerants circulation side of the indoor set heat exchanger is preheated while intrinsic defrost pattern operation,
Otherwise run with intrinsic defrost pattern.
Further, liquid refrigerants circulation side while being run with intrinsic defrost pattern to the indoor set heat exchanger
Liquid refrigerants carry out it is pre-warmed during, in addition to:
Judge the heat exchanger tube temperature of the indoor set heat exchanger whether more than the 4th preset temperature value, if it is stopping pair
The liquid refrigerants heating of the liquid refrigerants circulation side of the indoor set heat exchanger, otherwise continues to heat;Wherein, the described 4th preset
Temperature value is more than the 3rd preset temperature value.
Further, in addition to:During defrost, judge outdoor unit heat exchanger heat exchanger tube temperature whether reach it is default
Defrost end temp, if it is defrost process terminate.
Further, after defrost process terminates, control reversal valve commutation switches to heating mode, if still to described
The liquid refrigerants heating of the liquid refrigerants circulation side of indoor set heat exchanger, then stop heating.
According to another aspect of the invention, it is proposed that a kind of air conditioner starts control system, for performing the various embodiments described above
Described control method.
According to another aspect of the invention, it is proposed that a kind of air conditioner starter, including refrigerant heater and controller,
The refrigerant heater is located at the liquid refrigerant stream passage port close to indoor set heat exchanger, for the indoor set heat exchanger
Liquid refrigerants circulation side liquid refrigerants heating, the controller be used for receive start-up mode instruction after need preheating
Refrigerant heater described in Shi Kaiqi, with after the first preset time control reversal valve commutation switch to heating mode after,
In time indoor fan can be controlled to run.
Further, the liquid refrigerant stream passage port of indoor set heat exchanger is connected with liquid refrigerants runner pipe, the refrigerant
Heater is heated to liquid refrigerants indirectly by being heated to the liquid refrigerants runner pipe.
Further, the controller can also close described when the reversal valve switches to heating mode by commutation
Refrigerant heater.
Further, in addition to environment temperature test sections part, for detecting indoor environment temperature, the controller being capable of root
When determining that heat exchanger tube temperature is not up to the first preset temperature value indoors according to the detected value of the environment temperature test sections part in room
Blower fan with low wind shelves mode operation opportunity, and/or from low wind shelves pattern switching to setting wind shelves pattern opportunity.
Further, in addition to heat exchanger tube temperature detection part, the heat exchanger tube temperature for detecting the indoor set heat exchanger
Degree, the controller can be determined according to the heat exchanger tube temperature of the indoor set heat exchanger indoor fan whether postpone open, with
Low wind shelves pattern is opened or opened with setting wind shelves pattern;And/or during defrost changing according to the indoor set heat exchanger
Heat pipe temperature determines the opening and closing opportunity of the refrigerant heater.
According to another aspect of the invention, it is proposed that a kind of air conditioner, including the air conditioner startup dress described in above-described embodiment
Put or air conditioner starts control system.
Based on above-mentioned technical proposal, the air conditioner of the embodiment of the present invention starts control method, is cut by reversal valve commutation
It is changed to before heating mode, the liquid refrigerants for the side that can be circulated to the liquid refrigerants of indoor set heat exchanger is preheated, to improve air-conditioning
Device start after in system refrigerant temperature, so when reversal valve commutate or after commutating in the short period, with regard to refrigerant temperature can be made
Degree meets the entry condition of indoor fan, to make indoor fan run in time after heating mode is switched to, it is to avoid occur high
Pressure protection, so as to ensure that unit is normally run, raising heats comfortableness.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of one embodiment of air conditioner of the present invention;
Fig. 2 is the structural representation of one embodiment of indoor set heat exchanger in air conditioner of the present invention;
Fig. 3 is the schematic flow sheet of one embodiment that air conditioner of the present invention starts control method;
Fig. 4 is the schematic flow sheet for another embodiment that air conditioner of the present invention starts control method;
Fig. 5 is the schematic flow sheet for the further embodiment that air conditioner of the present invention starts control method;
Fig. 6 is the flow signal that air conditioner of the present invention starts the one embodiment started in control method with heating mode
Figure;
Fig. 7 is the flow signal that air conditioner of the present invention starts the one embodiment started in control method with defrost pattern
Figure;
Fig. 8 is the schematic flow sheet for the specific embodiment that air conditioner of the present invention starts control method.
Description of reference numerals:
1st, indoor set;2nd, compressor;3rd, gas-liquid separator;4th, reversal valve;5th, outdoor unit;6th, the first expansion valve;7th, second
Expansion valve;8th, check valve;9th, the first valve;10th, the second valve;11st, indoor set heat exchanger;12nd, indoor fan;13rd, refrigerant adds
Thermal;14th, liquid refrigerants runner pipe;15th, gaseous coolant runner pipe;16th, filter;51st, outdoor unit heat exchanger;52nd, it is outdoor
Blower fan.
Embodiment
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The each side of restriction can be combined with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially,
Be considered as preferred or favourable any feature can it is one or more with other be considered as preferred or favourable feature group
Close.
The description merely for convenience such as " first ", " second " that occurs in present invention term, has same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
The schematic diagram of one embodiment of air conditioner of the present invention as shown in Figure 1, side is indoor provided with indoor set 1 indoors
Machine 1 includes indoor set heat exchanger 11 and indoor fan 12, and compressor 2, the gas-liquid separator 3, (example of reversal valve 4 are provided with outside
Such as four-way reversing valve), outdoor unit 5, outdoor unit 5 includes outdoor unit heat exchanger 51 and outdoor fan 52.Machine 1 and outdoor unit indoors
Path between 5 is provided with the first expansion valve 6 and the second expansion valve 7, and check valve 8 is arranged in parallel with the second expansion valve 7.Indoor set
1 and second expansion valve 7 and check valve 8 tie point between be provided with the first valve 9, second is provided between indoor set 1 and reversal valve 4
Valve 10.
When air conditioner needs refrigeration, indoor set 1 is as evaporator, and outdoor unit 5 is illustrated in Fig. 1 as condenser
The flow direction of refrigerant, the low-temp low-pressure gaseous coolant of evaporator outlet flow through the c mouths of reversal valve 4, with the c mouthfuls of d connected mouths, and
Enter the suction end of compressor 2 after gas-liquid separator 3, the high pressure gaseous refrigerant after the compression of compressor 2 is through changing
Flowed to a mouths of valve 4, with a mouthfuls of b connected mouths after being exchanged heat in condenser and form liquid refrigerants, then pass through the first expansion valve 6
Reducing pressure by regulating flow, and by the Returning evaporimeter of check valve 8.
When air conditioner needs to heat, reversal valve 4 commutates, and makes a mouthfuls to be connected with c mouthfuls, and b mouthfuls connect with d mouthfuls, now indoor set
1 is used as evaporator, refrigerant flow direction and in opposite direction shown in arrow in Fig. 1, the place of check valve 8 as condenser, outdoor unit 5
Path ends, and the liquid refrigerants formed after condenser exchanges heat passes through the first expansion valve 6 and the second expansion valve 7 of series connection simultaneously
Reducing pressure by regulating flow, is returned again in evaporator.When outdoor environment temperature is relatively low, the easy frosting in the course of the work of outdoor unit 5, in order to
Ensure the heat exchange property of outdoor unit 5, it is necessary to first carry out defrost before air conditioner is heated, defrost process is equivalent to system
Chill formula works.
Based on the air conditioner schematic diagram shown in Fig. 1, one aspect of the present invention provides a kind of air conditioner starter, including cold
Matchmaker's heater 13 and controller, refrigerant heater 13 are located at the liquid refrigerant stream passage port close to indoor set heat exchanger 11,
Liquid refrigerants for the liquid refrigerants circulation side to indoor set heat exchanger 11 is heated, and controller is used to receive air conditioner
Start-up mode instructs and needs to open refrigerant heater 13 during preheating, to control reversal valve after the first preset time
4 commutations are switched to after heating mode, so that control indoor fan 12 is run in time.
The air conditioner starter of this embodiment of the invention, can before heating mode is switched to by reversal valve commutation
The liquid refrigerants of the liquid refrigerants circulation side of indoor set heat exchanger is preheated by refrigerant heater, opened with improving air conditioner
The temperature of refrigerant in dynamic rear system, so when reversal valve commutates or after commutation in the short period, with regard to that can expire refrigerant temperature
The entry condition of sufficient indoor fan, to start indoor fan in time after heating mode is switched to, it is to avoid high voltage protective occur,
So as to ensure that unit is normally run, raising heats comfortableness.
As shown in Fig. 2 one end of indoor set heat exchanger 11 is provided with the gentle state refrigerant communication port of liquid refrigerants communication port, liquid
It is connected with refrigerant communication port at liquid refrigerants runner pipe 14, gaseous coolant communication port and is connected with gaseous coolant runner pipe 15, it is cold
Matchmaker's heater 13 is located on liquid refrigerants runner pipe 14 or set close to liquid refrigerants runner pipe 14, with cold by heating liquid
The tube wall of matchmaker's runner pipe 14 is heated to liquid refrigerants indirectly.This mode of heating sets easy, it is not necessary to existing air conditioner pipe
Lu Zuotai is big to be changed.Filter 16 is set in addition, can also be gone here and there on liquid refrigerants runner pipe 14, for filtering the impurity in refrigerant.
Preferably, it is different according to the mode of heating of refrigerant heater 13, resistive heating device or electromagnetic type may be selected
Electric calorifie installation, heat energy is converted electrical energy into realize.
Alternately, refrigerant heater 13 directly can also circulate the liquid of side to the liquid refrigerants of indoor set heat exchanger 11
Refrigerant is heated, for example, economizer is set on liquid refrigerants runner pipe 14, to be carried out by way of carrying out heat exchange to refrigerant
Heating.
Further, controller can also close refrigerant heating when reversal valve 4 switches to heating mode by commutation and fill
Put 13.By pre-warmed mode, when reversal valve 4 commutates, refrigerant temperature substantially meets the entry condition of indoor fan 12, because
This can close refrigerant heater 13 when reversal valve 4 commutates, if refrigerant is still not up to the entry condition of indoor fan 12,
The startup of indoor fan 12 can be made slightly to postpone, the heat that can be produced within the time of delay by air conditioner heat-production further makes
Refrigerant temperature is improved, and can so save the energy consumption of air conditioner.
On this basis, air conditioner starter may also include environment temperature test sections part, for detecting indoor environment temperature
Degree, controller can determine that heat exchanger tube temperature is not up to the first default temperature indoors according to the detected value of environment temperature test sections part
Indoor fan 12 is with the opportunity of low wind shelves mode operation during angle value, and/or from low wind shelves pattern switching to setting wind shelves pattern
Opportunity.Wherein, the rotating speed of indoor fan 12 is less than setting wind shelves pattern under low wind shelves pattern.
When environment temperature is different indoors, when being that indoor fan 12 determines the switching of corresponding startup opportunity and different mode
Machine, can be met when environment temperature is higher indoors in the way of low energy consumption and heat requirement, and when environment temperature is relatively low indoors
The startup of phase delay indoor fan 12, or extension is by the transit time of low wind shelves pattern switching to setting wind shelves pattern, so that
Ensure heat transfer effect.
Further, air conditioner starter may also include heat exchanger tube temperature detection part, for example, temperature-sensitive is packaged in into room
On the heat exchanger tube of interior machine heat exchanger 11, the heat exchanger tube temperature for detecting indoor set heat exchanger 11, controller can be according to interior
The heat exchanger tube temperature of machine heat exchanger 11 determines whether indoor fan 12 is postponed to open, opened with low wind shelves pattern or to set wind shelves
Pattern is opened;And/or the heat exchanger tube temperature according to indoor set heat exchanger 11 during defrost determines refrigerant heater 13
Opening and closing opportunity.
According to another aspect of the present invention, additionally provide a kind of air conditioner and start control method, can be based on above-mentioned each implementation
The air conditioner starter of example, in a schematical embodiment, schematic flow sheet as shown in Figure 3, the control method bag
Include:
Step 101, receive air conditioner start-up mode instruct after, changed according to start-up mode information and/or indoor set
The heat exchanger tube temperature T of hot device 11It is interiorDetermine the need for preheating refrigerant, step 102 is performed if necessary, is otherwise held
Row step 103;
Step 102, unlatching are preheated to the liquid refrigerants of the liquid refrigerants circulation side of indoor set heat exchanger 11;
Step 103, the original Starting mode of holding, without preheating during air conditioner starts;
Step 104, heat the first preset time t 1 after control reversal valve 4 commutation switch to heating mode;
Step 105, refrigerant temperature meet require when control indoor fan 12 run.
Step 101~105 can be performed by controller, when needing to be preheated, step 101,102,104 and 105
Order is performed.Controller etc. can be the specific hardware unit of the compositions such as PLC, integrated circuit, associated components.
In a step 101, start-up mode instruction is included being started with heating mode and started with defrost pattern, according to startup mould
The difference of formula, can directly be preheated directly when compressor 2 starts or after starting to refrigerant, can also be according to indoor set
The heat exchanger tube temperature of heat exchanger 11 determines the need for preheating refrigerant.In a step 102, it can be opened by controller control
Refrigerant heater 13 is opened, for the embodiment shown in Fig. 2, liquid refrigerants runner pipe 14 can be heated by refrigerant heater 13
With indirectly heat refrigerant, or also directly refrigerant can be heated.
In step 105, by being preheated to liquid refrigerants, the short time when reversal valve 4 commutates or after commutation
It is interior, meet refrigerant temperature and require to reach the entry condition of indoor fan 12, if what indoor fan 12 commutated in reversal valve 4
Start simultaneously, then eliminate anti-cool wind mode, if indoor fan 12 starts in the short time after the commutation of reversal valve 4, contract
The short duration of anti-cool wind mode, it can prevent the pressure at expulsion of air conditioner from increasing above the pressure protection of high-voltage switch gear
Setting value.
The air conditioner of this embodiment of the invention starts control method, by reversal valve commutation switch to heating mode it
Before, the liquid refrigerants for the side that can be circulated to the liquid refrigerants of indoor set heat exchanger is preheated, to improve after air conditioner starts in system
The temperature of refrigerant, in the short time so when reversal valve commutates or after commutation, with regard to that refrigerant temperature can be made to meet indoor fan
Entry condition, so as to after heating mode is switched in time start indoor fan, it is to avoid there is high voltage protective, so as to ensure machine
The normal operation of group, raising heats comfortableness.
With reference to Fig. 7, while the commutation of control reversal valve 4 switches to heating mode at step 104, in addition to:
Step 104 ', the liquid refrigerants for the side that stops circulating to the liquid refrigerants of indoor set heat exchanger 11 heats.
Specifically, refrigerant heater 13 is controlled to stop heating by controller.By pre-warmed mode, in reversal valve 4
During commutation, refrigerant temperature substantially meets the entry condition of indoor fan 12, therefore refrigerant heating can be closed when reversal valve 4 commutates
Device 13, if refrigerant is still not up to the entry condition of indoor fan 12, can be such that the startup of indoor fan 12 slightly postpones,
The heat that can be produced in the time of delay by air conditioner heat-production further improves refrigerant temperature, can so save air conditioner
Energy consumption.
Fig. 4 gives the schematic flow sheet of another embodiment of the present invention, in order to judge indoor fan exactly
On 12 startup opportunity, step 105 is specifically included:
Step 201, the heat exchanger tube temperature T for detecting indoor set heat exchanger 11It is interior, can be examined by heat exchanger tube temperature detection part
Survey;
Step 202, the heat exchanger tube temperature T for judging indoor set heat exchanger 11It is interiorWhether first preset temperature value T1 is reached, if
It is then to perform step 203, otherwise performs step 204;First preset temperature value T1 is that disclosure satisfy that the entry condition of indoor fan 12
Temperature value;
Step 203, control indoor fan 12 are run, and can be low wind shelves mode operation or setting wind shelves mode operation;
Step 204, make reversal valve 4 commutate after the second preset time t of continuous service 2;
Step 205, control indoor fan 12 are with low wind shelves mode operation.
The embodiment is judged by the heat exchanger tube temperature to indoor set heat exchanger 11, can reflect current refrigerant
Whether temperature reaches the entry condition of indoor fan, to start indoor fan 12 on suitable opportunity, can meet heating needs,
The duration of anti-cool wind mode can be shortened again, high voltage protective is prevented.Wherein, in step 204, indoor fan 12 exists
Delay start after reversal valve 4 commutates, to make refrigerant temperature reach the entry condition of indoor fan 12 by delay, step 205 is in step
Perform after rapid 204, control indoor fan 12 first with low wind shelves mode operation, can avoid the relatively low refrigerant preheating of environment temperature compared with
Slowly more cold wind is blown out.
Further, schematic flow sheet as shown in Figure 5, if it is judged that the heat exchanger tube temperature T of indoor set heat exchanger 11It is interior
The first preset temperature value T1 is reached, then step 203 control indoor fan 12 operation is specifically included:
Step 206, the heat exchanger tube temperature T for judging indoor set heat exchanger 11It is interiorWhether second preset temperature value T2 is reached, if
It is then to perform step 207, otherwise performs step 205;Wherein, the second preset temperature value T2 is more than the first preset temperature value T1;
Step 207, control indoor fan 12 with set wind shelves mode operation.
The embodiment can be to the heat exchanger tube temperature T of indoor set heat exchanger 11It is interiorFurther judge, so that indoor wind
Machine 12 is started according to temperature conditions with the wind shelves pattern matched, can be avoided blowing out a large amount of cold wind when refrigerant temperature is slightly lower, be improved
Comfort when user uses;Refrigerant temperature it is slightly higher make air conditioner quickly with indoor carry out heat exchange, shortening heat the time.
Again referring to Fig. 5, if indoor fan 12 is with low wind shelves mode operation, blower fan 12 is with low wind shelves pattern fortune indoors
After the preset time t 3 of row the 3rd, switch to indoor fan 12 to set wind shelves mode operation.Pass through wind shelves gear transition
Mode can improve the comfortableness that user uses, and can rapidly improve indoor temperature according to demand again.
, can two kinds of different patterns startups, respectively heating mode startup and defrost mould when air conditioner needs to heat
Formula starts, and the control method under both patterns will be illustrated respectively below.
When the start-up mode instruction received is starts with heating mode, in addition to:
Environment temperature test sections part detection indoor environment temperature TRing;
Controller is according to indoor environment temperature TRingDetermine the second preset time t 2 and the 3rd preset time t 3.
If indoor environment temperature TRingIt is relatively low, it is necessary to the second preset time t 2 of corresponding extension and the 3rd preset time
T3, for example, can be to TRingSegmented node is set, in different interval TRingChoose the second different preset time ts 2 and the 3rd default
Time t3.By considering indoor environment temperature TRing, can more accurately determine heat exchanger tube temperature T indoorsIt is interiorNot up to first
During preset temperature value T1 indoor fan 12 with low wind shelves mode operation opportunity, or from low wind shelves pattern switching to setting wind shelves
On the opportunity of pattern, to avoid blowing cold air as far as possible, users'comfort impression is improved, while making air conditioner enter the shape heated as early as possible
State, so as to improve adaptability of the air conditioner to varying environment temperature.
Schematic flow sheet as shown in Figure 6, when start-up mode information for when being started with heating mode, step 101 is according to opening
Dynamic pattern information and/or the heat exchanger tube temperature of indoor set heat exchanger 11 determine the need for that refrigerant is carried out to preheat specific bag
Include:
Determine and refrigerant is preheated while compressor 2 starts.
Therefore, the control method also includes step 101A, after the instruction that air conditioner is started with heating mode is received, control
Compressor 2 processed starts;Liquid refrigerants circulation side of the step 102 to indoor set heat exchanger 11 is performed while step 101A is performed
Liquid refrigerants preheated.
After the startup of compressor 2, the refrigerant in air-conditioning system begins to circulation, now opens refrigerant heater 13 and carries out
Preheating can do sth. in advance to heat refrigerant, extend preheating time, so that refrigerant temperature reaches indoor fan 12 and opened as early as possible
Dynamic condition.
When start-up mode information for when being started with defrost pattern, schematic flow sheet as described in Figure 7, step 101 is according to opening
Dynamic pattern information and/or the heat exchanger tube temperature of indoor set heat exchanger 11 determine the need for that refrigerant is carried out to preheat specific bag
Include:
Step 301, the heat exchanger tube temperature T for detecting indoor set heat exchanger 11It is interior;The step be intended merely to during defrost
Other steps keep the continuity of mark to be labeled as step 301, substantially identical with step 201;
Step 302, the heat exchanger tube temperature T for judging indoor set heat exchanger 11It is interiorWhether the 3rd preset temperature value T3 is less than, if
It is the liquid refrigerants circulation side that step 102 is then performed while being run with intrinsic defrost pattern to indoor set heat exchanger 11
Liquid refrigerants is preheated, and otherwise performs step 303;
Step 303, with intrinsic defrost pattern run.
During defrost, if opening refrigerant heater 13 in advance when refrigerant temperature is relatively low, contracting is not only contributed to
Short defrost process duration, additionally it is possible to which as early as possible reaching refrigerant temperature after defrost process terminates makes indoor fan 12
Entry condition, so that the time that the start-up course for shortening air conditioner expends, to start to heat room air ahead of time.Step 301
It can be performed after the startup of compressor 2.
Further, the liquid refrigerants of indoor set heat exchanger 11 is circulated while being run with intrinsic defrost pattern side
During liquid refrigerants progress is pre-warmed, in addition to:
Step 304, the heat exchanger tube temperature T for judging indoor set heat exchanger 11It is interiorWhether more than the 4th preset temperature value T4, if
It is then to perform step 104 ' liquid refrigerants heating of the stopping to the liquid refrigerants circulation side of indoor set heat exchanger 11, otherwise continues to add
Heat;Wherein, the 4th preset temperature value T4 is more than the 3rd preset temperature value T3.Preferably, T1 < T3 < T2, T4 > T2.
The heat exchanger tube temperature T of embodiment machine heat exchanger 11 indoorsIt is interiorMore than the 4th preset temperature value T4 time controls refrigeration matchmaker
Heater 13 stops heating, the energy consumption that can be saved during air conditioner defrost, and prevents refrigerant temperature too high to compressor
Functional reliability impact.
During defrost, for natural mode defrost, with the always on refrigerant of the whole process of natural mode defrost
Heater 13 and the part-time section unlatching refrigerant heater with natural mode defrost, control method of the invention are also wrapped
Include:
Step 305, judge whether the heat exchanger tube temperature of outdoor unit heat exchanger 51 reaches default defrost end temp, if
Then defrost process terminates.
After judging that defrost process terminates by step 305, then the control reversal valve 4 continued executing with step 104 is changed
To heating mode is switched to, if the liquid refrigerants heating for side of still being circulated in the liquid refrigerants to indoor set heat exchanger 11, holds
Row step 104 ' stop heating.
After the control commutation of reversal valve 4 switches to heating mode, it is put into temperature and judges flow, i.e., changed by indoor set
The heat exchanger tube temperature T of hot device 11It is interiorJudge the opportunity for starting opportunity and the switching of the operational mode of indoor fan 12 of indoor fan 12, it is right
Should be in step 201 to 207.Judge that the corresponding control method of two kinds of start-up modes of flow elements is similar on temperature.
A specific embodiment is given below, to illustrate that the air conditioner of the present invention starts control method, as shown in Figure 8
Schematic flow sheet.For the workflow of air conditioner substantially, after starting up runs, outdoor fan 52 starts, and passes through
Compressor 2 starts after 30s, switches to heating mode after reversal valve commutation after 20s, outdoor fan 52 keeps operating.
(1) when air conditioner is started with heating mode:
If TRing>=20 DEG C, refrigerant heater 13 is opened while compressor 2 starts, by the first preset time t 1
(such as 20s) reversal valve commutates afterwards, and closes refrigerant heater 13.Now judge TIt is interiorWhether first preset temperature value T1 is reached
(such as 35 DEG C), if not up to (TIt is interior35 DEG C of <) then making reversal valve, the second preset time t of continuous service 2 is (for example after commutation
5s), indoor fan is made to enter low wind shelves operational mode again afterwards.If reaching the first preset temperature value T1 (TIt is interior>=35 DEG C), then
Determine whether TIt is interiorWhether more than the second preset temperature value T2 (such as 40 DEG C), if it exceeds the second preset temperature value T2 (TIt is interior≥
40 DEG C), then control indoor fan 12 to be run according to setting wind shelves, setting wind shelves can be judged by controller according to environment temperature
Go out, if not less than (35 DEG C≤T of the second preset temperature value T2It is interior40 DEG C of <), then control indoor fan 12 to be run with low wind shelves,
After indoor fan 12 is with the low wind shelves preset time t 3 (such as 60s) of mode operation the 3rd, it can be directly switch into according to setting wind
Shelves operation.
If TRing20 DEG C of <, control method and TRingIt is essentially identical at >=20 DEG C, it the difference is that only, due to indoor environment
Temperature is relatively low, and the second preset time t 2 is extended, for example, is defined as 15s, while the 3rd preset time t 3 is extended, for example, is determined
For 90s.
(2) when air conditioner is started with defrost pattern:
Start defrost pattern first, after the startup of compressor 2, judge TIt is interiorWhether the 3rd preset temperature value T3 is less than (for example
37 DEG C), if not less than (TIt is interior>=37 DEG C), then run with intrinsic defrost pattern, if less than (TIt is interior37 DEG C of <) then in defrost
During open refrigerant heater 13, and continue to judge TIt is interiorWhether fourth preset temperature value T4 (such as 42 DEG C) is reached, if
(T is reachedIt is interior>=42 DEG C) refrigerant heater 13 is then closed, otherwise (TIt is interior42 DEG C of <) continue to heat during defrost.With
During these three situation defrosts, the temperature to the heat exchanger tube of outdoor unit heat exchanger 51 judges, if reached default
Defrost end temp, then defrost terminates.
After defrost terminates, reversal valve 4 commutates, and closes refrigerant heater 13, referring next to what is started with heating mode
Step is again to TIt is interiorJudged, to determine operation opportunity and the operational mode of indoor fan 12.Unlike, due to defrost pattern
The temperature of lower refrigerant is lower, thus if when reversal valve 4 commutates TIt is interiorThe first preset temperature T1 is still not up to, then relative to system
For heat pattern starts, it is possible to increase reversal valve 4, which commutates to the second preset time t 2 between indoor fan 12 starts, (such as to be increased
For 45s).
According to another aspect of the present invention, additionally provide a kind of air conditioner and start control system, for performing above-mentioned each reality
Apply the control method described in example.The advantage that the air conditioner starts control system and can reached refers to retouching in control method part
State.
Finally, present invention also offers a kind of air conditioner, including the air conditioner starter described in above-described embodiment, or it is empty
Device is adjusted to start control system.The air conditioner can pass through pre-warmed mode when to heat start and be started shooting with defrost pattern
Refrigerant temperature is set quickly to raise, to start indoor fan in time after reversal valve commutation enters heating mode, it is to avoid offer a high price
Pressure protection failure, reduces fault rate, unit is normally used, while improving the comfortableness heated.
Preferably, air conditioner of the invention can be air-cooled ducted air conditioner or courtyard machine, family expenses wall mounted machine and cabinet type machine
Deng.
Control method, control system, starter and air conditioner are started to a kind of air conditioner provided by the present invention above
It is described in detail.Specific embodiment used herein is set forth to the principle and embodiment of the present invention, with
The explanation of upper embodiment is only intended to the method and its core concept for helping to understand the present invention.It should be pointed out that being led for this technology
For the those of ordinary skill in domain, under the premise without departing from the principles of the invention, can also to the present invention carry out it is some improvement and
Modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (17)
1. a kind of air conditioner starts control method, it is characterised in that including:
After the start-up mode for receiving air conditioner is instructed, according to changing for start-up mode information and/or indoor set heat exchanger (11)
Heat pipe temperature determines the need for preheating refrigerant, opens cold to the liquid of indoor set heat exchanger (11) if necessary
The liquid refrigerants preheating of matchmaker's flow side;
Control reversal valve (4) commutation switches to heating mode after the first preset time is heated;
Indoor fan (12) operation is controlled when refrigerant temperature meets and required.
2. air conditioner according to claim 1 starts control method, it is characterised in that changed in the control reversal valve (4)
To while switching to heating mode, in addition to:Stop the liquid of the liquid refrigerants circulation side to the indoor set heat exchanger (11)
State refrigerant is heated.
3. air conditioner according to claim 1 starts control method, it is characterised in that in the control indoor fan (12)
Before the step of operation, in addition to:
Detect the heat exchanger tube temperature of the indoor set heat exchanger (11);
Judge whether the heat exchanger tube temperature of the indoor set heat exchanger (11) reaches the first preset temperature value, if it is control institute
Indoor fan (12) operation is stated, otherwise makes the preset time of continuous service second after reversal valve (4) commutation, then control the indoor wind
Machine (12) is with low wind shelves mode operation.
4. air conditioner according to claim 3 starts control method, it is characterised in that if it is judged that the indoor set is changed
The heat exchanger tube temperature of hot device (11) reaches the first preset temperature value, then the step of controlling the indoor fan (12) to run specifically is wrapped
Include:
Judge whether the heat exchanger tube temperature of the indoor set heat exchanger (11) reaches the second preset temperature value, if it is control institute
State indoor fan (12) to set wind shelves mode operation, otherwise control the indoor fan (12) with low wind shelves mode operation;Its
In, second preset temperature value is more than first preset temperature value.
5. the air conditioner according to claim 3 or 4 starts control method, it is characterised in that if the indoor fan
(12) with low wind shelves mode operation, then after the indoor fan (12) is with the low wind shelves preset time of mode operation the 3rd, make
The indoor fan (12) switches to set wind shelves mode operation.
6. air conditioner according to claim 5 starts control method, it is characterised in that when the start-up mode instruction received
During to be started with heating mode, in addition to:
Detect indoor environment temperature;
Second preset time and the 3rd preset time are determined according to indoor environment temperature.
7. air conditioner according to claim 1 starts control method, it is characterised in that described according to start-up mode information
And/or the heat exchanger tube temperature of indoor set heat exchanger (11) determines the need for specifically including the pre-warmed step of refrigerant progress:
When start-up mode information is to be started with heating mode, refrigerant is preheated while compressor (2) starts;Or
Person
When start-up mode information for when being started with defrost pattern:
Detect the heat exchanger tube temperature of the indoor set heat exchanger (11);
Judge the indoor set heat exchanger (11) heat exchanger tube temperature whether be less than the 3rd preset temperature value, if it is, with
The liquid refrigerants of the liquid refrigerants circulation side of the indoor set heat exchanger (11) is carried out in advance while intrinsic defrost pattern operation
Heating, is otherwise run with intrinsic defrost pattern.
8. air conditioner according to claim 7 starts control method, it is characterised in that what is run with intrinsic defrost pattern
While during pre-warmed to the liquid refrigerants progress of the liquid refrigerants circulation side of the indoor set heat exchanger (11), also wrapping
Include:
Judge the heat exchanger tube temperature of the indoor set heat exchanger (11) whether more than the 4th preset temperature value, if it is stopping pair
The liquid refrigerants heating of the liquid refrigerants circulation side of the indoor set heat exchanger (11), otherwise continues to heat;Wherein, the described 4th
Preset temperature value is more than the 3rd preset temperature value.
9. the air conditioner according to claim 7 or 8 starts control method, it is characterised in that also include:In defrost process
In, judge whether the heat exchanger tube temperature of outdoor unit heat exchanger (51) reaches default defrost end temp, if it is defrost process
Terminate.
10. air conditioner according to claim 9 starts control method, it is characterised in that after defrost process terminates, control
Reversal valve (4) commutation switches to heating mode, if still in the liquid refrigerants circulation side to the indoor set heat exchanger (11)
Liquid refrigerants is heated, then stops heating.
11. a kind of air conditioner starts control system, it is characterised in that require the control described in 1~10 any one for perform claim
Method processed.
12. a kind of air conditioner starter, it is characterised in that including refrigerant heater (13) and controller, the refrigerant adds
Thermal (13) is located at the liquid refrigerant stream passage port close to indoor set heat exchanger (11), for the indoor set heat exchanger
(11) the liquid refrigerants heating of liquid refrigerants circulation side, the controller is pre- for being needed after start-up mode instruction is received
The refrigerant heater (13) is opened during heating, to switch to system by the first preset time control reversal valve (4) commutation
After heat pattern, indoor fan (12) can be controlled to run in time.
13. air conditioner starter according to claim 12, it is characterised in that the liquid of indoor set heat exchanger (11) is cold
Liquid refrigerants runner pipe (14) is connected with matchmaker's communication port, the refrigerant heater (13) to the liquid refrigerants by circulating
(14) heating is managed indirectly to heat liquid refrigerants.
14. air conditioner starter according to claim 12, it is characterised in that the controller can also be changed described
The refrigerant heater (13) is closed when switching to heating mode by commutation to valve (4).
15. air conditioner starter according to claim 12, it is characterised in that also including environment temperature test sections part,
For detecting indoor environment temperature, the controller can be determined indoors according to the detected value of the environment temperature test sections part
Indoor fan (12) is with the opportunity of low wind shelves mode operation when heat exchanger tube temperature is not up to the first preset temperature value, and/or from low
Wind shelves pattern switching extremely sets the opportunity of wind shelves pattern.
16. air conditioner starter according to claim 12, it is characterised in that also including heat exchanger tube temperature detecting part
Part, the heat exchanger tube temperature for detecting the indoor set heat exchanger (11), the controller can exchange heat according to the indoor set
The heat exchanger tube temperature of device (11) determines whether indoor fan (12) is postponed to open, opened with low wind shelves pattern or to set wind shelves mould
Formula is opened;And/or according to the heat exchanger tube temperature of the indoor set heat exchanger (11) determine that the refrigerant is heated during defrost
The opening and closing opportunity of device (13).
17. a kind of air conditioner, it is characterised in that including any described air conditioner starter of claim 12~16, or power
Profit requires that the air conditioner described in 11 starts control system.
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CN108418408A (en) * | 2018-03-19 | 2018-08-17 | 奥克斯空调股份有限公司 | A kind of charge control method, device and air conditioner |
CN109700363A (en) * | 2019-01-31 | 2019-05-03 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of bathroom drying unit and its control method |
CN110173916A (en) * | 2019-06-14 | 2019-08-27 | 南京天加环境科技有限公司 | A kind of control method of unit air-conditioner high temperature heating |
CN110736215A (en) * | 2019-09-27 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
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CN110736202A (en) * | 2019-09-25 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
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CN110736204A (en) * | 2019-09-25 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
CN110736209A (en) * | 2019-09-26 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
CN110736209B (en) * | 2019-09-26 | 2022-04-15 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
CN110736214B (en) * | 2019-09-27 | 2021-11-23 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
CN110736215B (en) * | 2019-09-27 | 2022-04-15 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
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CN112984744A (en) * | 2021-02-01 | 2021-06-18 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
CN112984744B (en) * | 2021-02-01 | 2023-06-23 | 青岛海尔空调器有限总公司 | Air conditioner control method and device and air conditioner |
CN114543267A (en) * | 2022-03-03 | 2022-05-27 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting control method and control device and air conditioner |
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