CN110454950A - Air-conditioning system and its control method - Google Patents

Air-conditioning system and its control method Download PDF

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Publication number
CN110454950A
CN110454950A CN201910716029.2A CN201910716029A CN110454950A CN 110454950 A CN110454950 A CN 110454950A CN 201910716029 A CN201910716029 A CN 201910716029A CN 110454950 A CN110454950 A CN 110454950A
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China
Prior art keywords
compressor
temperature
air
conditioning system
revolving speed
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Application number
CN201910716029.2A
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Chinese (zh)
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CN110454950B (en
Inventor
王侃
吴楠
李丰
杜顺开
陈枫
单方坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201910716029.2A priority Critical patent/CN110454950B/en
Publication of CN110454950A publication Critical patent/CN110454950A/en
Application granted granted Critical
Publication of CN110454950B publication Critical patent/CN110454950B/en
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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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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
    • F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
    • F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans

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

Abstract

The present invention proposes a kind of air-conditioning system and its control method, the described method comprises the following steps: determining that the air-conditioning system enters after fast-refrigerating mode or quick heating mode, obtain the Current Temperatures parameter of the compressor of the air-conditioning system；According to the Current Temperatures parameter of the compressor, promote the running frequency of the compressor of the air-conditioning system and the revolving speed of the outdoor fan, thus, it is possible to promote air quantity and wind speed by outdoor heat exchanger, and the energy balance of compressor is utilized as far as possible, make air-conditioning fast-refrigerating or heating operation, meets temporary big ability output demand.

Description

Air-conditioning system and its control method
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of air-conditioning systems and its control method.
Background technique
Air-conditioning system, can during carrying out temperature adjusting to slightly larger space under the premise of determining air-conditioning number The problems such as indoor temperature change generated in case is slow, cooling capacity is insufficient can occur.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the first purpose of this invention is to propose a kind of control method of air-conditioning system, air-conditioning can be made quick Refrigeration or heating operation meet temporary big ability output demand.
Second object of the present invention is to propose a kind of air-conditioning system.
Third object of the present invention is to propose a kind of computer readable storage medium.
In order to achieve the above object, first aspect present invention embodiment proposes a kind of control method of air-conditioning system, including with Lower step: it determines that the air-conditioning system enters after fast-refrigerating mode or quick heating mode, obtains the air-conditioning system The Current Temperatures parameter of compressor；According to the Current Temperatures parameter of the compressor, the compressor of the air-conditioning system is promoted The revolving speed of running frequency and the outdoor fan.
The control method of the air-conditioning system proposed according to embodiments of the present invention, air-conditioning system enter fast-refrigerating mode or After quick heating mode, according to the Current Temperatures parameter of compressor, running frequency and the room of the compressor of air-conditioning system are promoted Thus the revolving speed of outer blower is promoted through the air quantity and wind speed of outdoor heat exchanger, and as far as possible using more than the energy of compressor Amount, makes air-conditioning fast-refrigerating or heating operation, meets temporary big ability output demand.
According to one embodiment of present invention, described according to when the air-conditioning system is in fast-refrigerating mode The Current Temperatures parameter of compressor promotes the running frequency of the compressor of the air-conditioning system and the revolving speed packet of the outdoor fan Include: according to the current exhaust gas temperature of the compressor, promoted the compressor of the air-conditioning system running frequency and the outdoor The revolving speed of blower.
According to one embodiment of present invention, the current exhaust gas temperature according to the compressor, promotes the air-conditioning The revolving speed of the running frequency of the compressor of system and the outdoor fan, comprising: in the revolving speed for promoting the outdoor fan every time Before, judge whether the temperature gap between the delivery temperature limits value of the compressor and the current exhaust gas temperature of compressor is big In or equal to first threshold；If the temperature between the delivery temperature limits value of the compressor and the current exhaust gas temperature of compressor It spends difference and is greater than or equal to the first threshold, then promote the running frequency of the compressor；If the exhaust of the compressor Temperature gap between temperature limit value and the current exhaust gas temperature of compressor is less than the first threshold and the outdoor fan Revolving speed be not promoted to maximum (top) speed, then promote the revolving speed of the outdoor fan.
According to one embodiment of present invention, described according to when the air-conditioning system is in quick heating mode The Current Temperatures parameter of compressor promotes the running frequency of the compressor of the air-conditioning system and the revolving speed packet of the outdoor fan It includes: according to the current suction temperature of the current exhaust gas temperature of the compressor and the compressor, promoting the air-conditioning system The revolving speed of the running frequency of compressor and the outdoor fan.
According to one embodiment of present invention, the current exhaust gas temperature according to the compressor and the compressor Current suction temperature promotes the running frequency of the compressor of the air-conditioning system and the revolving speed of the outdoor fan, comprising: every Before the secondary revolving speed for promoting the outdoor fan, the delivery temperature limits value of the compressor and the current exhaust of compressor are judged Whether the temperature gap between temperature is greater than or equal to the current suction temperature and the pressure of first threshold and the compressor Whether the temperature gap between the suction temperature limits value of contracting machine is greater than or equal to second threshold；If the exhaust of the compressor Temperature gap between temperature limit value and the current exhaust gas temperature of compressor is greater than or equal to first threshold and the compressor Current suction temperature and the compressor suction temperature limits value between temperature gap be greater than or equal to second threshold Value, then promote the running frequency of the compressor；If the delivery temperature limits value of the compressor and compressor when front row Temperature gap between temperature degree is less than first threshold and the revolving speed of the outdoor fan is not promoted to maximum (top) speed, alternatively, institute The temperature gap stated between the current suction temperature of compressor and the suction temperature limits value of the compressor is less than described second The revolving speed of threshold value and the outdoor fan is not promoted to maximum (top) speed, then promotes the revolving speed of the outdoor fan.
According to one embodiment of present invention, it when the revolving speed of the outdoor fan is promoted to the maximum (top) speed, keeps The running frequency of the revolving speed of the outdoor fan and the compressor is constant.
According to one embodiment of present invention, in the Current Temperatures parameter according to the compressor, the air-conditioning system is promoted Before the revolving speed of the running frequency of the compressor of system and the outdoor fan, the method also includes: promote the outdoor fan Revolving speed to rotating speed of target.
According to one embodiment of present invention, in the Current Temperatures parameter according to the compressor, the air-conditioning system is promoted Before the revolving speed of the running frequency of the compressor of system and the outdoor fan, the method also includes: promote the indoor fan Revolving speed to maximum (top) speed.
According to one embodiment of present invention, the outdoor fan has multiple wind wheels, described to promote the outdoor fan Revolving speed include: the revolving speed that the multiple wind wheel is successively promoted according to pre-set priority, wherein promote the multiple wind wheel every time In a wind wheel revolving speed；Alternatively, promoting the revolving speed of the multiple wind wheel simultaneously.
According to one embodiment of present invention, when successively promoting the revolving speed of the multiple wind wheel according to pre-set priority, The revolving speed of the wind wheel of current priority is promoted to the revolving speed of the wind wheel of previous priority every time.
According to one embodiment of present invention, the control method of the air-conditioning system further include: according to user's input Instruction controls the air-conditioning system and enters the fast-refrigerating mode or quick heating mode；Alternatively, according to outdoor environment temperature, Indoor environment temperature, indoor set temperature and the air-conditioning system the current exhaust gas temperature of compressor control the air-conditioning system Into the fast-refrigerating mode or quick heating mode.
According to one embodiment of present invention, described according to outdoor environment temperature, indoor environment temperature, indoor set temperature The air-conditioning system, which is controlled, with the current exhaust gas temperature of the compressor of the air-conditioning system enters the fast-refrigerating mode or fast Fast heating mode includes: when the temperature gap between the indoor environment temperature and indoor set temperature is more than or equal to the first temperature Threshold value and the outdoor environment temperature are less than or equal to second temperature threshold value and the current exhaust gas temperature of the compressor is less than or equal to When third temperature threshold, the air-conditioning system is controlled into the fast-refrigerating mode；When the indoor environment temperature and interior Temperature gap between set temperature is less than or equal to the first temperature threshold and the outdoor environment temperature is more than or equal to second temperature When the current exhaust gas temperature of threshold value and the compressor is less than or equal to third temperature threshold, control described in the air-conditioning system entrance Quick heating mode.
In order to achieve the above objectives, a kind of air-conditioning system that second aspect of the present invention embodiment proposes, comprising: outdoor fan； Compressor；Control device, the control device are connected with the outdoor fan and the compressor, and the control device is for true The fixed air-conditioning system enters after fast-refrigerating mode or quick heating mode, obtains the Current Temperatures ginseng of the compressor Number, and according to the Current Temperatures parameter of the compressor, promote the running frequency of the compressor and turning for the outdoor fan Speed.
The air-conditioning system proposed according to embodiments of the present invention, control device enter fast-refrigerating mode or fast in air-conditioning system After fast heating mode, according to the Current Temperatures parameter of compressor, running frequency and the outdoor of the compressor of air-conditioning system are promoted Thus the revolving speed of blower promotes the air quantity and wind speed for passing through outdoor heat exchanger, and utilize the energy balance of compressor as far as possible, Make air-conditioning fast-refrigerating or heating operation, meets temporary big ability output demand.
In order to achieve the above objectives, a kind of readable storage medium storing program for executing that third aspect present invention embodiment proposes, is stored thereon with The control program of air-conditioning system when the control program of the air-conditioning system is executed by processor, realizes sky described in previous embodiment The control method of adjusting system.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow diagram according to the control method of the air-conditioning system of the embodiment of the present invention；
Fig. 2 is the flow diagram according to the fast-refrigerating control method of the air-conditioning system of one embodiment of the invention；
Fig. 3 is to be illustrated according to the process of the fast-refrigerating control method of the air-conditioning system of a specific embodiment of the invention Figure；
Fig. 4 is the flow diagram according to the quick heat-production control method of the air-conditioning system of one embodiment of the invention；
Fig. 5 is to be illustrated according to the process of the quick heat-production control method of the air-conditioning system of a specific embodiment of the invention Figure；And
Fig. 6 is the block diagram according to the air-conditioning system of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the air-conditioning system of the embodiment of the present invention and the control method of air-conditioning system are described.
Fig. 1 is the flow diagram according to the control method of the air-conditioning system of the embodiment of the present invention.Wherein, the air-conditioning system Including indoor unit and outdoor unit, outdoor unit includes outdoor heat exchanger, outdoor fan and compressor, and indoor unit includes indoor heat exchanger And indoor fan, wherein outdoor fan can may include two-stage wind wheel with counter-rotating fan, counter-rotating fan, or may include three Grade or the above wind wheel of three-level.
As a result, counter-rotating fan use multistage wind wheel, can make it is obvious by the air quantity and wind velocity lift of outdoor heat exchanger, In embodiments of the present invention, by promoting the revolving speed of counter-rotating fan, air-conditioning fast-refrigerating or heating operation can be made, met temporary Big ability export demand.
According to the embodiment of Fig. 1, the control method of air-conditioning system the following steps are included:
S1: it determines that air-conditioning system enters after fast-refrigerating mode or quick heating mode, obtains the compression of air-conditioning system The Current Temperatures parameter of machine.
It is understood that can recorde air-conditioning system when determining that air-conditioning system enters fast-refrigerating mode or quick heating mode The state of system, for example, the initial speed of the initial opening Lr of the initial speed Fr of compressor, throttling set, outdoor fan, with two Grade wind wheel for, can record air-conditioning system in outdoor fan level-one wind wheel initial speed n01 and second level wind wheel it is initial Revolving speed n02.
Wherein, the Current Temperatures parameter of compressor can be the current exhaust gas temperature of compressor, and current exhaust gas temperature can be with By the way that the exhaust gas temperature sensor of compressor exhaust pipe collected temperature in real time is arranged in, the Current Temperatures parameter of compressor is also It can be the current suction temperature of compressor, current suction temperature can be passed by the way that the suction temperature of compressor suction duct is arranged in Sensor collected temperature in real time.
According to one embodiment of present invention, the control method of air-conditioning system further include:
Enter fast-refrigerating mode or quick heating mode according to the instruction control air-conditioning system of user's input；
Alternatively, being worked as according to the compressor of outdoor environment temperature, indoor environment temperature, indoor set temperature and air-conditioning system Front exhaust temperature control air-conditioning system enters fast-refrigerating mode or quick heating mode.
Specifically, according to outdoor environment temperature, indoor environment temperature, indoor set temperature and air-conditioning system compressor Current exhaust gas temperature control air-conditioning system enters fast-refrigerating mode or quick heating mode includes:
When the temperature gap between indoor environment temperature and indoor set temperature is more than or equal to the first temperature threshold and outdoor When environment temperature is less than or equal to third temperature threshold less than or equal to the current exhaust gas temperature of second temperature threshold value and compressor, control Air-conditioning system enters fast-refrigerating mode；
When the temperature gap between indoor environment temperature and indoor set temperature is less than or equal to the first temperature threshold and outdoor When environment temperature is less than or equal to third temperature threshold more than or equal to the current exhaust gas temperature of second temperature threshold value and compressor, control Air-conditioning system enters quick heating mode.
That is, air conditioner carry out refrigerating operaton during, in meeting the following conditions at least one when, control Air-conditioning system enters fast-refrigerating mode.
1) after receiving indoor set temperature set by user, T1-Tt >=Tx1, and T4≤Tx2, and Tp≤Tx3 are determined, Wherein, T1 is indoor environment temperature, Tt is indoor set temperature, and T4 is outdoor environment temperature, and Tp is the delivery temperature of compressor, Tx1 is the first temperature threshold, and Tx2 is second temperature threshold value, and Tx3 is third temperature threshold.
Wherein, by judging T4≤Tx2, Tp≤Tx3, it can protect air conditioner normal operation.
2) the fast-refrigerating instruction of user's selection is received, wherein user can be fast by selection fast-refrigerating key-press input Fast refrigeration instruction.
For example, when air-conditioning system carries out refrigerating operaton, user can be selected by controlling terminal such as air-conditioning remote control Fast-refrigerating key is selected, the instruction of user input selection fast-refrigerating is sent to control device by controlling terminal, and control device can Enter fast-refrigerating mode according to the instruction control air-conditioning system received.Alternatively, when air-conditioning system carries out refrigerating operaton, such as Indoor set temperature Tt is arranged in fruit, and detects T1-Tt >=Tx1 and T4≤Tx2 and Tp >=Tx3, then, it is directly entered quickly Refrigeration mode.
Similarly, air conditioner carry out heating operation during, in meeting the following conditions at least one when, control air-conditioning System enters quick heating mode.
1) after receiving indoor set temperature set by user, T1-Tt≤Tx1 is determined and T4 >=Tx2 and Tp≤Tx3, Wherein, T1 is indoor environment temperature, Tt is indoor set temperature, and T4 is outdoor environment temperature, and Tp is the delivery temperature of compressor, Tx1 is the first temperature threshold, and Tx2 is second temperature threshold value, and Tx3 is third temperature threshold.
Wherein, by judging T4 >=Tx2, Tp≤Tx3, it can protect air conditioner normal operation.
2) the quick heating instruction of user's selection is received, wherein user can be fast by selecting quick heating button to input Speed heating instruction.
For example, when air-conditioning system carries out heating operation, user can be selected by controlling terminal such as air-conditioning remote control Quick heating button is selected, the instruction that controlling terminal quickly heats user input selection is sent to control device, and control device can Enter quick heating mode according to the instruction control air-conditioning system received.Alternatively, when air-conditioning system carries out heating operation, such as Indoor set temperature Tt is arranged in fruit, and detects T1-Tt≤Tx1 and T4 >=Tx2 and Tp≤Tx3, then, it is directly entered quickly Heating mode.
S2: according to the Current Temperatures parameter of compressor, the running frequency and outdoor fan of the compressor of air-conditioning system are promoted Revolving speed.
In one embodiment of the invention, outdoor fan have multiple wind wheels, improve outdoor fan revolving speed include: by The revolving speed of multiple wind wheels is successively improved according to pre-set priority, wherein improve the revolving speed of a wind wheel in multiple wind wheels every time；Or Person, while improving the revolving speed of multiple wind wheels.
Wherein, when successively improving the revolving speed of multiple wind wheels according to pre-set priority, every time by the wind wheel of current priority Revolving speed improve the revolving speed of the wind wheel to previous priority.
By taking two-stage wind wheel as an example, it is assumed that the priority of level-one wind wheel is lower than the priority of second level wind wheel, it is possible to according to The revolving speed of the order lift two-stage wind wheel of priority from high to low, it can the first revolving speed of promotion second level wind wheel, however force one wind Wheel increases polishing again, so constantly repeats the revolving speed hoisting way that first second level increases rear stage polishing.Alternatively, can be according to preferential The revolving speed of the order lift two-stage wind wheel of grade from low to high, it can first promote the revolving speed of level-one wind wheel, however second level wind wheel is again Polishing is increased, the revolving speed hoisting way of second level polishing after first level-one increases so constantly is repeated；Alternatively, can also be used while being promoted The revolving speed of second level wind wheel and the revolving speed of level-one wind wheel；Alternatively, at least two in above-mentioned three kinds of hoisting way can be sampled Kind mode promotes the revolving speed of two-stage wind wheel, for example, first second level can be increased to the hoisting way and first level-one liter of rear stage polishing The hoisting way of second level polishing is alternately after height.
The control method of the embodiment of the present invention as a result, enters fast-refrigerating mode or quick heating mode in air-conditioning system Later, according to the Current Temperatures parameter of compressor, the running frequency of the compressor of air-conditioning system and the revolving speed of outdoor fan are promoted, Thus the air quantity and wind speed for passing through outdoor heat exchanger are promoted, and utilizes the energy balance of compressor as far as possible, keeps air-conditioning quick Refrigeration or heating operation meet temporary big ability output demand, room temperature are adjusted to set temperature as early as possible.
Below in a chiller mode for, the fast-refrigerating control method of the air-conditioning system for embodiment that the present invention will be described in detail.
According to one embodiment of present invention, when air-conditioning system is in fast-refrigerating mode, according to the current of compressor The revolving speed of temperature parameter, the running frequency and outdoor fan that promote the compressor of air-conditioning system includes:
According to the current exhaust gas temperature of compressor, the running frequency of the compressor of air-conditioning system and turning for outdoor fan are promoted Speed.
Specifically, according to the current exhaust gas temperature of compressor, running frequency and the outdoor of the compressor of air-conditioning system are promoted The revolving speed of blower, comprising:
Every time promoted outdoor fan revolving speed before, judge compressor delivery temperature limits value and compressor it is current Whether the temperature gap between delivery temperature is greater than or equal to first threshold；
If the temperature gap between the delivery temperature limits value of compressor and the current exhaust gas temperature of compressor be greater than or Equal to first threshold, then the running frequency of compressor is promoted；
If the temperature gap between the delivery temperature limits value of compressor and the current exhaust gas temperature of compressor is less than The revolving speed of one threshold value and outdoor fan is not promoted to maximum (top) speed, then promotes the revolving speed of outdoor fan.
Wherein, when the revolving speed of outdoor fan is promoted to maximum (top) speed, the revolving speed of outdoor fan and the fortune of compressor are kept Line frequency is constant.
It should be noted that maximum (top) speed value is the maximum value in the case where capable of making outdoor fan not stall, outdoor wind The revolving speed that the revolving speed of machine reaches multiple wind wheels that maximum (top) speed value can refer to counter-rotating fan reaches maximum value, is with two-stage wind wheel Example, the revolving speed of outdoor fan, which reaches maximum (top) speed value, can refer to, and the revolving speed n1 of level-one wind wheel reaches maximum (top) speed value n1max, and The revolving speed n2 of second level wind wheel reaches maximum (top) speed value n2max, i.e. n1 >=n1max and n2 >=n2max.Delivery temperature limits value Tpmax is that compressor maximum can bear delivery temperature.
It is understood that can be promoted according to the current exhaust gas temperature of compressor when air-conditioning system enters fast-refrigerating mode The running frequency of the compressor of air-conditioning system and the revolving speed of outdoor fan.
Specifically, it can be determined that the current exhaust gas temperature Tp of the delivery temperature limits value Tpmax of compressor and compressor it Between temperature gap whether be greater than or equal to first threshold Tpx, i.e. whether Tpmax-Tp >=Tpx true, wherein first threshold can For zero degrees celsius or close to such as 5 DEG C of zero degrees celsius.
If set up, i.e. Tpmax-Tp >=Tpx then illustrates the current exhaust gas temperature Tp of compressor and the exhaust temperature of compressor It spends limits value Tpmax and differs larger, the space that the running frequency of compressor can also be promoted, improve the operation frequency of compressor at this time Rate, such as f Hz is promoted every time, f can be fixed value.Then, judge whether Tpmax-Tp >=Tpx is true again, if set up, Improve the running frequency of compressor again at this time.So circulation, until Tp is close to Tpmax, i.e. Tpmax-Tp < Tpx, as a result, The ability surplus of compressor is eaten up, utilizes the energy balance of compressor as far as possible, also, makes delivery temperature Tp lower than exhaust Temperature limit value Tpmax, it is ensured that the reliability of air-conditioning system.
If the temperature gap between the current exhaust gas temperature Tp of compressor and the delivery temperature limits value Tpmax of compressor Less than first threshold Tpx, i.e. Tpmax-Tp < Tpx, then illustrate that the ability surplus of compressor has been eaten up, it at this time can be according to pressure The current exhaust gas temperature of contracting machine promotes the revolving speed of outdoor fan.
If the revolving speed of the outdoor fan after being promoted is not up to maximum (top) speed, the delivery temperature limit of compressor is judged again Whether the temperature gap Tpx between the current exhaust gas temperature Tp of value Tpmax and compressor processed is greater than or equal to first threshold, if Tpmax-Tp < Tpx then promotes the revolving speed of outdoor fan again, until the revolving speed of outdoor fan is promoted to maximum (top) speed.If The revolving speed of outdoor fan is promoted to maximum (top) speed, then no longer carries out following step, keeps standing state, that is, keeps existing The running frequency of outdoor fan revolving speed and compressor is constant, until operating condition changes, such as user changes indoor set temperature Or environment temperature changes.
In addition, according to one embodiment of present invention, in the Current Temperatures parameter according to compressor, promoting air-conditioning system Before the running frequency of compressor and the revolving speed of outdoor fan, method further include:
The revolving speed of outdoor fan is promoted to rotating speed of target.
According to one embodiment of present invention, in the Current Temperatures parameter according to compressor, the compression of air-conditioning system is promoted Before the running frequency of machine and the revolving speed of outdoor fan, method further include:
The revolving speed of indoor fan is promoted to maximum (top) speed.
It is understood that promoting running frequency and the room of the compressor of air-conditioning system in the Current Temperatures parameter according to compressor Before the revolving speed of outer blower, the revolving speed of outdoor fan can be promoted to rotating speed of target, thus, the revolving speed for promoting outdoor fan it Before, it is promoted to rotating speed of target to by the revolving speed of outdoor fan, for example, the revolving speed n1 of level-one wind wheel is promoted to n11 and light breeze The revolving speed n2 of wheel is promoted to n21, wherein rotating speed of target is less than the maximum (top) speed of outdoor fan, i.e. the revolving speed n1 of level-one wind wheel is small In maximum (top) speed value n1max, and/or, the revolving speed n2 of second level wind wheel is less than maximum (top) speed value n2max, thus, accelerate subsequent blower Revolving speed is regulated the speed.Alternatively, promoting the running frequency of the compressor of air-conditioning system in the Current Temperatures parameter according to compressor Before the revolving speed of outdoor fan, the revolving speed of indoor fan can be promoted to maximum (top) speed, so as to further promote air-conditioning The fan-out capability of system.In addition, promoting the running frequency of the compressor of air-conditioning system in the Current Temperatures parameter according to compressor Before the revolving speed of outdoor fan, while revolving speed to the rotating speed of target of outdoor fan can also be promoted, indoor fan is promoted Revolving speed is to maximum (top) speed.
Embodiment according to fig. 2, the refrigeration control method of the air-conditioning system of one embodiment of the invention the following steps are included:
S201: enter fast-refrigerating mode, the state of air-conditioning system is recorded, for example, the revolving speed Fr of compressor, electronic expansion The aperture Lr of valve and the initial speed of outdoor fan.
S202: the revolving speed of outdoor fan is promoted to rotating speed of target.
S203: judge the temperature between the delivery temperature limits value Tpmax of compressor and the current exhaust gas temperature Tp of compressor Whether degree difference Tpx is greater than or equal to first threshold.
If so, thening follow the steps S204；If not, thening follow the steps S205.
S204: the running frequency of compressor, return step S203 are improved.
S205: the revolving speed of outdoor fan is promoted.
S206: judge whether the revolving speed of outdoor fan reaches maximum (top) speed.
If so, thening follow the steps S207；If it is not, then return step S203.
S207: standing state is kept, that is, keeps the running frequency of existing outdoor fan revolving speed and compressor constant.
The method for continuing to illustrate by taking two-stage wind wheel as an example to improve the revolving speed of outdoor fan in fast-refrigerating control method.
It is understood that before the revolving speed for improving outdoor fan every time, it can be determined that the delivery temperature limits value of compressor Whether the temperature gap between Tpmax and the current exhaust gas temperature Tp of compressor is greater than or equal to first threshold Tpx, wherein two The maximum (top) speed value n2max of grade wind wheel can be more than or equal to maximum (top) speed the value n1max, i.e. n2max >=n1max of level-one wind wheel. If Tpmax-Tp >=Tpx, the running frequency of compressor is improved；If Tpmax-Tp < Tpx, improve level-one wind wheel and/ Or the revolving speed of second level wind wheel.
Specifically, the revolving speed for promoting two-stage wind wheel, can first improve the revolving speed of second level wind wheel, for example, improving second level wind wheel Revolving speed n2 to n2+nx, wherein if n2+nx >=n2max, n2=n2max is enabled, in other words, if the revolving speed n2 of second level wind wheel has reached It to maximum (top) speed value n2max, then no longer improves, then judges the delivery temperature limits value Tpmax of compressor and working as compressor Whether the temperature gap between front exhaust temperature Tp is greater than or equal to first threshold Tpx (in order to make delivery temperature lower than limitation temperature The reliability to guarantee air conditioner is spent, the temperature gap of Tpmax and Tp to be made to be less than Tpx), if Tpmax-Tp < Tpx, continue The revolving speed for improving level-one wind wheel can specifically improve the revolving speed of level-one wind wheel to the revolving speed of second level wind wheel, for example, improving one The revolving speed n1 to n2+nx of grade wind wheel, wherein if n2+nx >=n1max, n1=n1max is enabled, in other words, if level-one wind wheel turns Fast n1 has reached maximum (top) speed value n1max, then no longer improves.Then judge whether the revolving speed n1 of level-one wind wheel reaches maximum (top) speed Whether the revolving speed n2 of value n1max and second level wind wheel reaches maximum (top) speed value n2max, if n1 is not up to n1max or n2 is not up to N2max then judges the temperature between the delivery temperature limits value Tpmax of compressor and the current exhaust gas temperature Tp of compressor again Whether difference is greater than or equal to first threshold Tpx, so repeats revolving speed and level-one wind wheel that abovementioned steps improve second level wind wheel Revolving speed, until the revolving speed of second level wind wheel is improved to maximum (top) speed value n2max, and the revolving speed of level-one wind wheel is improved to maximum (top) speed value n1max。
It should be noted that due to increasing rear stage polishing using first second level, it can be improved in the revolving speed of second level wind wheel In the case where, level-one wind wheel is also that can be improved, at this point, the revolving speed and level-one wind speed round in second level wind wheel improve once Later, revolving speed judgement is just done, in other words, after the revolving speed of second level wind wheel improves, the revolving speed of default level-one wind wheel is not up to n1max, Therefore revolving speed judgement is not done.
Alternatively, promoting the revolving speed of two-stage wind wheel, the revolving speed of level-one wind wheel can be first improved, for example, improving turning for level-one wind wheel Fast n1 to n1+nx, wherein if n1+nx >=n1max, n1=n1max is enabled, in other words, if the revolving speed n1 of level-one wind wheel has reached Maximum (top) speed value n1max, then no longer improve, then judge compressor delivery temperature limits value Tpmax and compressor it is current Whether the temperature gap between delivery temperature Tp is greater than or equal to first threshold Tpx (in order to make delivery temperature lower than limit temperature To guarantee the reliability of air conditioner, the temperature gap of Tpmax and Tp to be made to be less than Tpx), if Tpmax-Tp < Tpx, continues to mention The revolving speed of high second level wind wheel, specifically, can the revolving speed of second level wind wheel improve to the current rotating speed of level-one wind wheel, for example, improving two The revolving speed n2 to n1+nx of grade wind wheel, wherein if n1+nx >=n2max, n2=n2max is enabled, in other words, if second level wind wheel turns Fast n2 has reached maximum (top) speed value n2max, then no longer improves.Then judge whether the revolving speed n1 of level-one wind wheel reaches maximum (top) speed Whether the revolving speed n2 of value n1max and second level wind wheel reaches maximum (top) speed value n2max, if n1 is not up to n1max or n2 is not up to N2max then judges the temperature between the delivery temperature limits value Tpmax of compressor and the current exhaust gas temperature Tp of compressor again Whether difference is greater than or equal to first threshold Tpx, so repeats revolving speed and second level wind wheel that abovementioned steps improve level-one wind wheel Revolving speed, until the revolving speed of second level wind wheel is improved to maximum (top) speed value n2max, and the revolving speed of level-one wind wheel is improved to maximum (top) speed value n1max。
It should be noted that due to second level polishing after being increased using first level-one, it can be improved in the revolving speed of level-one wind wheel In the case where, second level wind wheel is also that can be improved, at this point, the revolving speed and second level wind speed round in level-one wind wheel improve once Later, revolving speed judgement is just done, in other words, after the revolving speed of level-one wind wheel improves, the revolving speed of default second level wind wheel is not up to n2max, Therefore revolving speed judgement is not done.
Alternatively, promoting the revolving speed of two-stage wind wheel, the revolving speed of level-one wind wheel and the revolving speed of second level wind wheel, example can be improved simultaneously Such as, the revolving speed n1 to n1+nx of level-one wind wheel is improved, wherein if n1+nx >=n1max, n1=n1max is enabled, in other words, if one The revolving speed n1 of grade wind wheel has reached maximum (top) speed value n1max, then no longer improves, and improves the revolving speed n2 to n2+ny of second level wind wheel, In, if n2+ny >=n2max, n2=n2max is enabled, in other words, if the revolving speed n2 of second level wind wheel has reached maximum (top) speed value N2max is then no longer improved, and then judges whether the revolving speed n1 of level-one wind wheel reaches maximum (top) speed value n1max and second level wind wheel Whether revolving speed n2 reaches maximum (top) speed value n2max, if n1 is not up to n1max or n2 is not up to n2max, judges compressor Whether the temperature gap between delivery temperature limits value Tpmax and the current exhaust gas temperature Tp of compressor is greater than or equal to the first threshold Value Tpx (in order to make delivery temperature be lower than limit temperature to guarantee the reliability of air conditioner, will make the temperature gap of Tpmax and Tp Less than Tpx), if Tpmax-Tp < Tpx, continue to improve the revolving speed of level-one wind wheel and the revolving speed of second level wind wheel.Before so repeating It states step and improves the revolving speed of level-one wind wheel and the revolving speed of second level wind wheel, until the revolving speed of second level wind wheel is improved to maximum (top) speed value N2max, and the revolving speed of level-one wind wheel is improved to maximum (top) speed value n1max.
It should be noted that in embodiments of the present invention, changing the revolving speed of outdoor fan or changing the operating frequency of compressor After rate, if there is Rule of judgment, such as compressor delivery temperature limits value Tpmax and compressor current exhaust gas temperature Tp Between temperature gap whether be greater than or equal to first threshold Tpx, whether the revolving speed of outdoor fan reaches maximum (top) speed, then wait After preset time Xs, then determined.
According to the embodiment of Fig. 3, the refrigeration control method of the air-conditioning system of a specific embodiment of the invention includes following Step:
S301: receiving the fast-refrigerating instruction of user's selection, alternatively, T1-Tt >=Tx1, and T4≤Tx2, and Tp≤ Tx3。
S302: when determining that air-conditioning system enters fast-refrigerating mode, the first order wind of outdoor fan in air-conditioning system is recorded The initial speed n01 of the wheel and initial speed n02 of second level wind wheel, the delivery temperature Tp0 of recording compressed machine.
S303: the revolving speed of indoor fan is promoted to maximum (top) speed, the revolving speed n1 of level-one wind wheel is promoted to rotating speed of target The revolving speed n2 of n11 and second level wind wheel is promoted to rotating speed of target n21.
S304: judge the temperature between the delivery temperature limits value Tpmax of compressor and the current exhaust gas temperature Tp of compressor Whether degree difference Tpx is greater than or equal to first threshold.
If so, thening follow the steps S305；If not, thening follow the steps S306.
S305: the running frequency F=F+f of compressor, return step S304 are improved.
S306: the revolving speed n1 to n1+nx of first order wind wheel is improved, wherein if n1+nx >=n1max, enable n1=n1max.
S307: judge the temperature between the delivery temperature limits value Tpmax of compressor and the current exhaust gas temperature Tp of compressor Whether degree difference Tpx is greater than or equal to first threshold.
If so, thening follow the steps S305；If not, thening follow the steps S308.
S308: the revolving speed n2 to n2+nx of second level wind wheel is improved, wherein if n2+nx >=n2max, enable n2=n2max.
S309: judge whether the revolving speed n1 of the level-one wind wheel of outdoor fan reaches maximum (top) speed value n1max, and second level wind wheel Revolving speed n2 whether reach maximum (top) speed value n2max.
If so, thening follow the steps S310；If it is not, then return step S304.
S310: keeping standing state, that is, keep the running frequency of existing outdoor fan revolving speed and compressor constant, until User changes use or environment changes.
As an example, when detecting that air-conditioning system is just freezed, if indoor set temperature Tt=17 is arranged DEG C, also, T1=32 DEG C, it T1-Tt=15 DEG C >=10, T4=35 DEG C≤40 DEG C, Tp=72 DEG C >=98 DEG C, can be directly entered fast Fast refrigeration mode；
Record n1=n2=600r/min, Tp0=74 DEG C of delivery temperature of recording compressed machine；
The revolving speed of indoor fan is promoted to maximum 1500r/min, the revolving speed n1 of the level-one wind wheel of outdoor fan is from 600r/ Min is promoted to 650r/min, and the revolving speed n2 of second level wind wheel is promoted to 650r/min from 600r/min；
Determine whether Tpmax-Tp is more than or equal to Tpx true: 98-72=26 DEG C, being greater than 5 DEG C, improve the operation of compressor Frequency 51hz to 52hz waits Xs；
Determine whether Tpmax-Tp is more than or equal to Tpx true: 98-73=25 DEG C, being greater than 5 DEG C, improve the operation of compressor Frequency 52hz to 53hz waits Xs；
…
Determine whether Tpmax-Tp is more than or equal to Tpx true: 98-94=4 DEG C, less than 5 DEG C；
Level-one wind speed round n1=650r/min to 700r/min is improved, Xs is waited；
Determine whether Tpmax-Tp is more than or equal to Tpx true: 98-94=4 DEG C, less than 5 DEG C；
Level-one wind speed round n2=650r/min to 700r/min is improved, Xs is waited；
Determine whether Tpmax-Tp is more than or equal to Tpx true: 98-91=7 DEG C is greater than 5, improves compressor frequency 51hz extremely 52hz waits Xs；
…
Determine whether Tpmax-Tp is more than or equal to Tpx true: 98-94=4 DEG C, small by 5；
N1 and n2 has reached the maximum revolving speed 1100r/min, keeps standing state.
As a result, by the revolving speed of promotion outdoor fan to improve air quantity and wind speed by outdoor heat exchanger, and as far as possible The energy balance using compressor, run air-conditioning fast-refrigerating, meet temporary big ability output demand.
Below by taking heating mode as an example, the quick heat-production control method of the air-conditioning system for embodiment that the present invention will be described in detail.
According to one embodiment of present invention, when air-conditioning system is in quick heating mode, according to the current of compressor The revolving speed of temperature parameter, the running frequency and outdoor fan that promote the compressor of air-conditioning system includes:
According to the current suction temperature of the current exhaust gas temperature of compressor and compressor, the compressor of air-conditioning system is promoted The revolving speed of running frequency and outdoor fan.
Specifically, according to the current suction temperature of the current exhaust gas temperature of compressor and compressor, air-conditioning system is promoted The running frequency of compressor and the revolving speed of outdoor fan, comprising:
Every time promoted outdoor fan revolving speed before, judge compressor delivery temperature limits value and compressor it is current Whether the temperature gap between delivery temperature is greater than or equal to the current suction temperature and compressor of first threshold and compressor Suction temperature limits value between temperature gap whether be greater than or equal to second threshold；
If the temperature gap between the delivery temperature limits value of compressor and the current exhaust gas temperature of compressor be greater than or It is greater than equal to the temperature gap between the suction temperature limits value of the current suction temperature and compressor of first threshold and compressor Or be equal to second threshold, then promote the running frequency of compressor；
If the temperature gap between the delivery temperature limits value of compressor and the current exhaust gas temperature of compressor is less than The revolving speed of one threshold value and outdoor fan is not promoted to maximum (top) speed, alternatively, the current suction temperature of compressor and the suction of compressor Temperature gap between gas temperature limit value is less than second threshold and the revolving speed of outdoor fan is not promoted to maximum (top) speed, then is promoted The revolving speed of outdoor fan.
Wherein, when the revolving speed of outdoor fan is promoted to maximum (top) speed, the revolving speed of outdoor fan and the fortune of compressor are kept Line frequency is constant.
In addition, according to one embodiment of present invention, in the Current Temperatures parameter according to compressor, promoting air-conditioning system Before the running frequency of compressor and the revolving speed of outdoor fan, method further include:
The revolving speed of outdoor fan is promoted to rotating speed of target.
According to one embodiment of present invention, in the Current Temperatures parameter according to compressor, the compression of air-conditioning system is promoted Before the running frequency of machine and the revolving speed of outdoor fan, method further include:
The revolving speed of indoor fan is promoted to maximum (top) speed.
It is understood that quickly the control flow of heating mode and the control flow of fast-refrigerating mode are almost the same, difference exists In the Rule of judgment of delivery temperature in fast-refrigerating mode being revised as to the Rule of judgment of delivery temperature and suction temperature, specifically Decision condition: Tpmax-Tp >=Tpx and whether Ts-Tsmin >=Tsx is true, if so, i.e. Tpmax-Tp >=Tpx and Ts- Tsmin >=Tsx then promotes the running frequency of compressor.If not, i.e. Tpmax-Tp < Tpx or Ts-Tsmin < Tsx is then mentioned The revolving speed of outdoor fan is risen, until reaching maximum (top) speed.Wherein, Ts is the current suction temperature of compressor, and Tsmin is compressor Suction temperature limits value, Tsmin is that compressor minimum can bear suction temperature, and Tsx is second threshold.
According to the embodiment of Fig. 4, the heat-production control method of the air-conditioning system of one embodiment of the invention the following steps are included:
S401: recording the state of air-conditioning system, for example, the revolving speed Fr of compressor, the aperture Lr of electric expansion valve and room The initial speed of outer blower.
S402: the revolving speed of outdoor fan is promoted to rotating speed of target.
S403: judge the temperature between the delivery temperature limits value Tpmax of compressor and the current exhaust gas temperature Tp of compressor Whether degree difference Tpx is greater than or equal to first threshold, and the suction temperature of the current suction temperature Ts of compressor and compressor limits Whether the temperature gap between value Tsmin processed is greater than or equal to second threshold Tsx.
If so, i.e. Tpmax-Tp >=Tpx and Ts-Tsmin >=Tsx, then follow the steps S404；If not, i.e. Tpmax- Tp < Tpx or Ts-Tsmin < Tsx, thens follow the steps S405.
S404: the running frequency of compressor, return step S403 are improved.
S405: the revolving speed of outdoor fan is promoted.
S406: judge whether the revolving speed of outdoor fan reaches maximum (top) speed.
If so, thening follow the steps S407；If it is not, then return step S403.
S407: standing state is kept, that is, keeps the running frequency of existing outdoor fan revolving speed and compressor constant.
According to the embodiment of Fig. 5, the heat-production control method of the air-conditioning system of a specific embodiment of the invention includes following Step:
S501: the quick heating for receiving user's selection instructs, alternatively, T1-Tt≤Tx1 and T4 >=Tx2 and Tp≤ Tx3。
S502: when determining that air-conditioning system enters quick heating mode, the first order wind of outdoor fan in air-conditioning system is recorded The initial speed n01 of the wheel and initial speed n02 of second level wind wheel, the delivery temperature Tp0 of recording compressed machine.
S503: the revolving speed of indoor fan is promoted to maximum (top) speed, the revolving speed n1 of level-one wind wheel is promoted to rotating speed of target The revolving speed n2 of n11 and second level wind wheel is promoted to rotating speed of target n21.
S504: judge the temperature between the delivery temperature limits value Tpmax of compressor and the current exhaust gas temperature Tp of compressor Whether degree difference is greater than or equal to first threshold Tpx, and the suction temperature of the current suction temperature Ts of compressor and compressor limits Whether the temperature gap between value Tsmin processed is greater than or equal to second threshold Tsx.
If so, i.e. Tpmax-Tp >=Tpx and Ts-Tsmin >=Tsx, then follow the steps S505；If not, i.e. Tpmax- Tp < Tpx or Ts-Tsmin < Tsx, thens follow the steps S506.
S505: the running frequency F=F+f of compressor, return step S504 are improved.
S506: the revolving speed n1 to n1+nx of first order wind wheel is improved, wherein if n1+nx >=n1max, enable n1=n1max.
S507: judge the temperature between the delivery temperature limits value Tpmax of compressor and the current exhaust gas temperature Tp of compressor Whether degree difference is greater than or equal to first threshold Tpx, and the suction temperature of the current suction temperature Ts of compressor and compressor limits Whether the temperature gap between value Tsmin processed is greater than or equal to second threshold Tsx.
If so, i.e. Tpmax-Tp >=Tpx and Ts-Tsmin >=Tsx, then follow the steps S505；If not, i.e. Tpmax- Tp < Tpx or Ts-Tsmin < Tsx, thens follow the steps S508.
S508: the revolving speed n2 to n2+nx of second level wind wheel is improved, wherein if n2+nx >=n2max, enable n2=n2max.
S509: judge whether the revolving speed n1 of the level-one wind wheel of outdoor fan reaches maximum (top) speed value n1max, and second level wind wheel Revolving speed n2 whether reach maximum (top) speed value n2max.
If so, thening follow the steps S510；If it is not, then return step S504.
S510: keeping standing state, that is, keep the running frequency of existing outdoor fan revolving speed and compressor constant, until User changes use or environment changes.
It should be noted that promoting the running frequency of the compressor of air-conditioning system in the method using the embodiment of the present invention After the revolving speed of outdoor fan, if the delivery temperature of finally obtained compressor be greater than delivery temperature limits value Tpmax with The sum of third threshold value Tpa then reduces the running frequency of compressor on a small quantity.
To sum up, the control method of the air-conditioning system proposed according to embodiments of the present invention enters fast-refrigerating in air-conditioning system After mode or quick heating mode, according to the Current Temperatures parameter of compressor, the operation frequency of the compressor of air-conditioning system is promoted Thus the revolving speed of rate and outdoor fan promotes the air quantity and wind speed for passing through outdoor heat exchanger, and utilizes compressor as far as possible Energy balance makes air-conditioning fast-refrigerating or heating operation, meets temporary big ability output demand.
In order to realize above-described embodiment, the invention also provides a kind of air-conditioning systems.
Fig. 6 is the block diagram of air-conditioning system according to an embodiment of the present invention.As shown in fig. 6, the air-conditioning system includes: Outdoor fan 10, compressor 20 and control device 30, control device 30 are connected with outdoor fan 10 and compressor 20, control device 30, for determining that air-conditioning system enters after fast-refrigerating mode or quick heating mode, obtain the Current Temperatures ginseng of compressor 20 Number, and according to the Current Temperatures parameter of compressor 20, promote the running frequency of compressor 20 and the revolving speed of outdoor fan 10.
According to one embodiment of present invention, when air-conditioning system is in fast-refrigerating mode, control device 30 is used for, root According to the current exhaust gas temperature of compressor 20, the running frequency of the compressor 20 of air-conditioning system and the revolving speed of outdoor fan 10 are promoted.
According to one embodiment of present invention, control device 30 is also used to, every time promoted outdoor fan 10 revolving speed it Before, judge whether the temperature gap between the delivery temperature limits value of compressor 20 and the current exhaust gas temperature of compressor 20 is greater than Or it is equal to first threshold；Wherein, if between the delivery temperature limits value of compressor 20 and the current exhaust gas temperature of compressor 20 Temperature gap be greater than or equal to first threshold, control device 30 then promotes the running frequency of compressor 20；If compressor 20 Delivery temperature limits value and compressor 20 current exhaust gas temperature between temperature gap be less than first threshold and outdoor fan 10 revolving speed is not promoted to maximum (top) speed, and control device 30 then promotes the revolving speed of outdoor fan 10 again.
According to one embodiment of present invention, when air-conditioning system is in quick heating mode, control device 30 is used for, root According to the current exhaust gas temperature of compressor 20 and the current suction temperature of compressor 20, the operation of the compressor 20 of air-conditioning system is promoted The revolving speed of frequency and outdoor fan 10.
According to one embodiment of present invention, control device 30 is also used to, every time promoted outdoor fan 10 revolving speed it Before, judge whether the temperature gap between the delivery temperature limits value of compressor 20 and the current exhaust gas temperature of compressor 20 is greater than Or it is equal to the temperature between the current suction temperature of first threshold and compressor 20 and the suction temperature limits value of compressor 20 Whether difference is greater than or equal to second threshold；Wherein, if the delivery temperature limits value of compressor 20 and compressor 20 it is current Temperature gap between delivery temperature is greater than or equal to the current suction temperature and compressor 20 of first threshold and compressor 20 Temperature gap between suction temperature limits value is greater than or equal to second threshold, and control device 30 then promotes the operation of compressor 20 Frequency；If the temperature gap between the delivery temperature limits value of compressor 20 and the current exhaust gas temperature of compressor 20 is less than The revolving speed of one threshold value and outdoor fan 10 is not promoted to maximum (top) speed, alternatively, the current suction temperature and compressor of compressor 20 Temperature gap between 20 suction temperature limits value is less than second threshold and the revolving speed of outdoor fan 10 is not promoted to maximum turn Speed, control device 30 then promote the revolving speed of outdoor fan 10 again.
According to one embodiment of present invention, control device 30 is also used to, when the revolving speed of outdoor fan 10 is promoted to maximum When revolving speed, the running frequency of the revolving speed and compressor 20 that keep outdoor fan 10 is constant.
According to one embodiment of present invention, control device 30 is used for, and in the Current Temperatures parameter according to compressor 20, is mentioned Go up to the air adjusting system the running frequency of compressor 20 and the revolving speed of outdoor fan 10 before, promote the revolving speed of outdoor fan 10 to mesh Mark revolving speed.
According to one embodiment of present invention, control device 30 is used for, and in the Current Temperatures parameter according to compressor 20, is mentioned Go up to the air adjusting system the running frequency of compressor 20 and the revolving speed of outdoor fan 10 before, promote the revolving speed of indoor fan to maximum Revolving speed.
In addition, in some embodiments of the invention, control device 30 is also used to, in the Current Temperatures according to compressor 20 Parameter before promoting the running frequency of the compressor 20 of air-conditioning system and the revolving speed of outdoor fan 10, promotes outdoor fan 10 Revolving speed promotes the revolving speed of indoor fan to maximum (top) speed to rotating speed of target.
According to one embodiment of present invention, outdoor fan 10 has multiple wind wheels, and control device 30 is used for, according to default Priority successively promotes the revolving speed of multiple wind wheels, wherein promotes the revolving speed of a wind wheel in multiple wind wheels every time；Alternatively, simultaneously Promote the revolving speed of multiple wind wheels.
According to one embodiment of present invention, control device 30 is used for, and multiple wind are successively being promoted according to pre-set priority When the revolving speed of wheel, the revolving speed of the wind wheel of current priority is promoted to the revolving speed of the wind wheel of previous priority every time.
According to one embodiment of present invention, control device 30 is also used to, and controls air-conditioning system according to the instruction of user's input System enters fast-refrigerating mode or quick heating mode；Alternatively, control device 30 is also used to, according to outdoor environment temperature, interior The current exhaust gas temperature control air-conditioning system of the compressor 20 of environment temperature, indoor set temperature and air-conditioning system enters quickly system Cold mode or quick heating mode.
According to one embodiment of present invention, when the temperature gap between indoor environment temperature and indoor set temperature is greater than Equal to the first temperature threshold and outdoor environment temperature is less than or equal to second temperature threshold value and the current exhaust gas temperature of compressor 20 is small When being equal to third temperature threshold, control device 30 controls air-conditioning system and enters fast-refrigerating mode；When indoor environment temperature with Temperature gap between indoor set temperature is less than or equal to the first temperature threshold and outdoor environment temperature is more than or equal to second temperature When the current exhaust gas temperature of threshold value and compressor 20 is less than or equal to third temperature threshold, control device 30 controls air-conditioning system and enters Quick heating mode.
It should be noted that the explanation of the aforementioned control method embodiment to air-conditioning system is also applied for the embodiment Air-conditioning system, details are not described herein again.
The air-conditioning system proposed according to embodiments of the present invention, control device enter fast-refrigerating mode or fast in air-conditioning system After fast heating mode, according to the Current Temperatures parameter of compressor, running frequency and the outdoor of the compressor of air-conditioning system are promoted Thus the revolving speed of blower promotes the air quantity and wind speed for passing through outdoor heat exchanger, and utilize the energy balance of compressor as far as possible, Make air-conditioning fast-refrigerating or heating operation, meets temporary big ability output demand.
In order to realize above-described embodiment, the invention also provides a kind of readable storage medium storing program for executing, are stored thereon with air-conditioning system Control program, when the control program of the air-conditioning system is executed by processor, realize the control of the air-conditioning system of previous embodiment Method.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing custom logic function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage Or firmware is realized.Such as, if realized with hardware in another embodiment, following skill well known in the art can be used Any one of art or their combination are realized: have for data-signal is realized the logic gates of logic function from Logic circuit is dissipated, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile Journey gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as to limit of the invention System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of the invention Type.

Claims (14)

1. a kind of control method of air-conditioning system, which comprises the following steps:
It determines that the air-conditioning system enters after fast-refrigerating mode or quick heating mode, obtains the compression of the air-conditioning system The Current Temperatures parameter of machine；
According to the Current Temperatures parameter of the compressor, promoted the compressor of the air-conditioning system running frequency and the outdoor The revolving speed of blower.
2. the control method of air-conditioning system according to claim 1, which is characterized in that when the air-conditioning system is in quick When refrigeration mode, the Current Temperatures parameter according to the compressor promotes the operation frequency of the compressor of the air-conditioning system The revolving speed of rate and the outdoor fan includes:
According to the current exhaust gas temperature of the compressor, promoted the compressor of the air-conditioning system running frequency and the outdoor The revolving speed of blower.
3. the control method of air-conditioning system according to claim 2, which is characterized in that the working as according to the compressor Front exhaust temperature promotes the running frequency of the compressor of the air-conditioning system and the revolving speed of the outdoor fan, comprising:
Before the revolving speed for promoting the outdoor fan every time, the delivery temperature limits value and compressor of the compressor are judged Whether the temperature gap between current exhaust gas temperature is greater than or equal to first threshold；
If the temperature gap between the delivery temperature limits value of the compressor and the current exhaust gas temperature of compressor be greater than or Equal to the first threshold, then the running frequency of the compressor is promoted；
If the temperature gap between the delivery temperature limits value of the compressor and the current exhaust gas temperature of compressor is less than institute The revolving speed for stating first threshold and the outdoor fan is not promoted to maximum (top) speed, then promotes the revolving speed of the outdoor fan.
4. the control method of air-conditioning system according to claim 1, which is characterized in that when the air-conditioning system is in quick When heating mode, the Current Temperatures parameter according to the compressor promotes the operation frequency of the compressor of the air-conditioning system The revolving speed of rate and the outdoor fan includes:
According to the current suction temperature of the current exhaust gas temperature of the compressor and the compressor, the air-conditioning system is promoted The revolving speed of the running frequency of compressor and the outdoor fan.
5. the control method of air-conditioning system according to claim 4, which is characterized in that the working as according to the compressor The current suction temperature of front exhaust temperature and the compressor promotes the running frequency of the compressor of the air-conditioning system and described The revolving speed of outdoor fan, comprising:
Before the revolving speed for promoting the outdoor fan every time, the delivery temperature limits value and compressor of the compressor are judged Whether the temperature gap between current exhaust gas temperature is greater than or equal to the current suction temperature of first threshold and the compressor Whether the temperature gap between the suction temperature limits value of the compressor is greater than or equal to second threshold；
If the temperature gap between the delivery temperature limits value of the compressor and the current exhaust gas temperature of compressor be greater than or Equal to the temperature between the suction temperature limits value of the current suction temperature and the compressor of first threshold and the compressor Difference is greater than or equal to the second threshold, then promotes the running frequency of the compressor；
If the temperature gap between the delivery temperature limits value of the compressor and the current exhaust gas temperature of compressor is less than The revolving speed of one threshold value and the outdoor fan is not promoted to maximum (top) speed, alternatively, the current suction temperature of the compressor and institute State the temperature gap between the suction temperature limits value of compressor not less than the revolving speed of the second threshold and the outdoor fan It is promoted to maximum (top) speed, then promotes the revolving speed of the outdoor fan.
6. the control method of the air-conditioning system according to claim 3 or 5, which is characterized in that when turning for the outdoor fan When speed is promoted to the maximum (top) speed, the running frequency of the revolving speed and the compressor that keep the outdoor fan is constant.
7. the control method of air-conditioning system according to claim 1, which is characterized in that according to the current of the compressor Temperature parameter, before promoting the running frequency of the compressor of the air-conditioning system and the revolving speed of the outdoor fan, the method Further include:
The revolving speed of the outdoor fan is promoted to rotating speed of target.
8. the control method of air-conditioning system according to claim 1, which is characterized in that according to the current of the compressor Temperature parameter, before promoting the running frequency of the compressor of the air-conditioning system and the revolving speed of the outdoor fan, the method Further include:
The revolving speed of the indoor fan is promoted to maximum (top) speed.
9. the control method of air-conditioning system according to claim 1, which is characterized in that the outdoor fan has multiple wind Wheel, the revolving speed for promoting the outdoor fan include:
The revolving speed of the multiple wind wheel is successively promoted according to pre-set priority, wherein one is promoted in the multiple wind wheel every time The revolving speed of wind wheel；
Alternatively, promoting the revolving speed of the multiple wind wheel simultaneously.
10. the control method of air-conditioning system according to claim 9, which is characterized in that according to pre-set priority successively When promoting the revolving speed of the multiple wind wheel, the revolving speed of the wind wheel of current priority is promoted to the wind wheel of previous priority every time Revolving speed.
11. the control method of air-conditioning system according to claim 1, which is characterized in that further include:
The air-conditioning system, which is controlled, according to the instruction of user's input enters the fast-refrigerating mode or quick heating mode；
Alternatively, being worked as according to the compressor of outdoor environment temperature, indoor environment temperature, indoor set temperature and the air-conditioning system Front exhaust temperature controls the air-conditioning system and enters the fast-refrigerating mode or quick heating mode.
12. the control method of air-conditioning system according to claim 11, which is characterized in that described according to outdoor environment temperature Degree, indoor environment temperature, indoor set temperature and the air-conditioning system the current exhaust gas temperature of compressor control the air-conditioning System enters the fast-refrigerating mode or quick heating mode includes:
When the temperature gap between the indoor environment temperature and indoor set temperature is more than or equal to the first temperature threshold and described Outdoor environment temperature is less than or equal to second temperature threshold value and the current exhaust gas temperature of the compressor is less than or equal to third temperature threshold When value, the air-conditioning system is controlled into the fast-refrigerating mode；
When the temperature gap between the indoor environment temperature and indoor set temperature is less than or equal to the first temperature threshold and described Outdoor environment temperature is more than or equal to second temperature threshold value and the current exhaust gas temperature of the compressor is less than or equal to third temperature threshold When value, the air-conditioning system is controlled into the quick heating mode.
13. a kind of air-conditioning system characterized by comprising
Outdoor fan；
Compressor；
Control device, the control device are connected with the outdoor fan and the compressor, and the control device is for determining The air-conditioning system enters after fast-refrigerating mode or quick heating mode, obtains the Current Temperatures parameter of the compressor, And according to the Current Temperatures parameter of the compressor, the running frequency of the compressor and the revolving speed of the outdoor fan are promoted.
14. a kind of readable storage medium storing program for executing, which is characterized in that it is stored thereon with the control program of air-conditioning system, the air-conditioning system When control program is executed by processor, the control method such as air-conditioning system of any of claims 1-12 is realized.
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