CN107339785A - Air-conditioning system and its control method - Google Patents

Air-conditioning system and its control method Download PDF

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Publication number
CN107339785A
CN107339785A CN201710497276.9A CN201710497276A CN107339785A CN 107339785 A CN107339785 A CN 107339785A CN 201710497276 A CN201710497276 A CN 201710497276A CN 107339785 A CN107339785 A CN 107339785A
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China
Prior art keywords
temperature
air
energy
energy storage
conditioning system
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CN201710497276.9A
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Chinese (zh)
Inventor
游斌
张敏
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201710497276.9A priority Critical patent/CN107339785A/en
Publication of CN107339785A publication Critical patent/CN107339785A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of air-conditioning system and its control method, the system includes：Compressor, outdoor heat exchanger, throttle part and indoor heat exchanger；Energy storage device, energy storage device is disposed in the interior side, and is arranged in parallel with indoor heat exchanger, and energy storage device includes energy-accumulating medium, and energy-accumulating medium is used to store heat or cold；Detection module, for detecting the temperature of the energy-accumulating medium in indoor environment temperature, energy storage device；Control module, for obtaining the present mode of operation of air-conditioning system, and according to the refrigerant type of flow in the temperature control air-conditioning system of energy-accumulating medium in the present mode of operation, indoor environment temperature and energy storage device of air-conditioning system, and judge whether to control energy storage device to carry out auxiliary cooling or auxiliary heating in a chiller mode or when heating mode is run according to the temperature of energy-accumulating medium in air-conditioning system, so as to realize that small number air-conditioning exports big refrigerating capacity or heating capacity, the comfortableness that air-conditioning system uses is improved, reduces the consumption of the energy again.

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 system and a kind of control method of air-conditioning system.
Background technology
At present, the air conditioner of many occasions is not round-the-clock oepration at full load.Such as the sky of meeting room or dining room parlor Adjust device, only had dinner in session or dining room parlor during just need High cooling power to export, and it is most of when air conditioner be all Remain shut off state.
However, in order to meet the cold output of session, user typically can install the air-conditioning of big number in meeting room Device, but the air conditioner for installing big number can bring some problems, such as, the air conditioner of big number is installed (for example, 5 refrigeration The air conditioner of amount), the initial outlay cost of air conditioner can be increased, while the electric load in the unit interval can be increased.On the other hand, The air conditioner of high-power number is installed, because outdoor unit weight of the outdoor unit than low power air conditioner is with greatly, installs and compares Difficulty is, it is necessary to more man power and materials.
And if the air conditioner of small number is installed in dining room parlor or meeting, may again can cause when people is more, make Cold power is inadequate, influences the comfortableness that user uses.If in meeting or just 1 hour opens air conditioner refrigerating before the meal, meeting again The problems such as because of wall, window cold draining, cause cold consumption.In addition, if in the peak period of power consumption, user is badly in need of air-conditioning Fast-refrigerating or heating, then again may be low because of line voltage, or now power is inadequate for air-conditioning, and it is empty to have a strong impact on that user uses The comfortableness of tune.
The content of the invention
It is contemplated that at least solves one of technical problem in above-mentioned technology to a certain extent.
Therefore, first purpose of the present invention is to propose a kind of air-conditioning system, can be by controlling in air-conditioning system The refrigerant type of flow, to realize that small number air-conditioning exports big refrigerating capacity or heating capacity, so as to improve air-conditioning system use it is comfortable Property, and reduce the consumption of the energy.
Second object of the present invention is to propose a kind of control method of air-conditioning system.
To reach above-mentioned purpose, first aspect present invention embodiment proposes a kind of air-conditioning system, including：Compressor, room External heat exchanger, throttle part and indoor heat exchanger；Energy storage device, the energy storage device are disposed in the interior side, and with the interior Heat exchanger is arranged in parallel, and the energy storage device includes energy-accumulating medium, and the energy-accumulating medium is used to store heat or cold；Detect mould Block, the detection module are used for the temperature for detecting indoor environment temperature, energy-accumulating medium in the energy storage device；Control module, The control module is used for the present mode of operation for obtaining the air-conditioning system, and according to the current operation mould of the air-conditioning system Refrigerant stream in formula, the indoor environment temperature and the energy storage device in air-conditioning system described in the temperature control of energy-accumulating medium Flowing mode, and the air-conditioning system in a chiller mode or heating mode run when according to the temperature of the energy-accumulating medium judge The energy storage device whether is controlled to carry out auxiliary cooling or auxiliary heating.
Air-conditioning system according to embodiments of the present invention, detected by detection module in indoor environment temperature, energy storage device The temperature of energy-accumulating medium, and by the present mode of operation of control module acquisition air-conditioning system, and according to the current of air-conditioning system Refrigerant flowing side in operational mode, indoor environment temperature and energy storage device in the temperature control air-conditioning system of energy-accumulating medium Formula, and air-conditioning system in a chiller mode or heating mode run when according to the temperature of energy-accumulating medium judge whether control energy storage Device carries out auxiliary cooling or auxiliary heating.Thus, the air-conditioning system can be by controlling the refrigerant flowing side in air-conditioning system Formula, to realize that small number air-conditioning exports big refrigerating capacity or heating capacity, so as to improve the comfortableness that air-conditioning system uses, and reduce The consumption of the energy.
In addition, the air-conditioning system proposed according to the above embodiment of the present invention can also have technical characteristic additional as follows：
In one embodiment of the invention, when the present mode of operation of the air-conditioning system is energy storage pattern, wherein, If the indoor environment temperature is more than the first preset temperature, the control module then controls the refrigerant stream of the compressor discharge Throttled after the outdoor heat exchanger by the throttle part, the compression is returned to after then flowing through the energy storage device Machine, so that the energy-accumulating medium carries out storage cold, until the temperature of the energy-accumulating medium is less than the first temperature threshold or institute The time for stating air-conditioning system into energy storage pattern reaches the first preset time；If the indoor environment temperature is less than or equal to second Preset temperature, the control module then control the refrigerant of compressor discharge to flow through after the energy storage device by the throttling Part is throttled, and the compressor is returned to after then flowing through the outdoor heat exchanger, so that the energy-accumulating medium is stored Heat, until the temperature of the energy-accumulating medium is more than second temperature threshold value or the air-conditioning system enters the time of energy storage pattern Reach the second preset time, wherein, the second temperature threshold value is more than first temperature threshold, and second preset temperature is small In first preset temperature.
In one embodiment of the invention, when the air-conditioning system is run in a chiller mode, if the indoor ring Border temperature is more than first object temperature, and the control module then controls the refrigerant of the compressor discharge to flow through the outdoor heat exchange Throttled after device by the throttle part, the compressor is returned to after then flowing through the indoor heat exchanger, so that described Air-conditioning system is freezed, and judges whether the temperature of the energy-accumulating medium is less than the indoor environment temperature, wherein, if institute The temperature for stating energy-accumulating medium is less than the indoor environment temperature, the control module then control the energy storage device released cold quantity with Carry out auxiliary cooling；If the temperature of the energy-accumulating medium is more than or equal to the indoor environment temperature, the control module is then controlled Make the energy storage device and stop heat exchange work.
In one embodiment of the invention, when the air-conditioning system is run with heating mode, if the indoor ring Border temperature is less than the second target temperature, and the control module then controls the refrigerant of the compressor discharge to flow through the indoor heat exchange Throttled after device by the throttle part, the compressor is returned to after then flowing through the outdoor heat exchanger, so that described Air-conditioning system is heated, and judges whether the temperature of the energy-accumulating medium is more than the indoor environment temperature, wherein, if institute The temperature for stating energy-accumulating medium is more than the indoor environment temperature, the control module then control the energy storage device release heat with Carry out auxiliary heating；If the temperature of the energy-accumulating medium is less than or equal to the indoor environment temperature, the control module is then controlled Make the energy storage device and stop heat exchange work.
In one embodiment of the invention, the energy storage device includes energy storage radiator fan, wherein, the control module By controlling being turned on and off to control whether the energy storage device carries out heat exchange work of the energy storage radiator fan.
To reach above-mentioned purpose, second aspect of the present invention embodiment proposes a kind of control method of air-conditioning system, described Air-conditioning system includes compressor, outdoor heat exchanger, throttle part, indoor heat exchanger and energy storage device, and the energy storage device is set Side indoors, and be arranged in parallel with the indoor heat exchanger, the energy storage device includes energy-accumulating medium, and the energy-accumulating medium is used for Storage heat or cold, the control method comprise the following steps：Detect the energy storage in indoor environment temperature, the energy storage device The temperature of medium；The present mode of operation of the air-conditioning system is obtained, and according to the present mode of operation of the air-conditioning system, institute State the refrigerant flowing side in air-conditioning system described in the temperature control of energy-accumulating medium in indoor environment temperature and the energy storage device Formula, and judged whether in a chiller mode or when heating mode is run according to the temperature of the energy-accumulating medium in the air-conditioning system The energy storage device is controlled to carry out auxiliary cooling or auxiliary heating.
The control method of air-conditioning system according to embodiments of the present invention, detect first in indoor environment temperature, energy storage device Energy-accumulating medium temperature, then obtain air-conditioning system present mode of operation, and according to the present mode of operation of air-conditioning system, The refrigerant type of flow in indoor environment temperature and energy storage device in the temperature control air-conditioning system of energy-accumulating medium, and in sky Judge whether that control energy storage device progress is auxiliary according to the temperature of energy-accumulating medium when adjusting system is in a chiller mode or heating mode is run Help refrigeration or auxiliary heating.Thus, the control method can be small to realize by controlling the refrigerant type of flow in air-conditioning system Number air-conditioning exports big refrigerating capacity or heating capacity, so as to improve the comfortableness that air-conditioning system uses, and reduces the consumption of the energy.
In addition, the control method of the air-conditioning system proposed according to the above embodiment of the present invention can also have what is added as follows Technical characteristic：
In one embodiment of the invention, when the present mode of operation of the air-conditioning system is energy storage pattern, wherein, If the indoor environment temperature is more than the first preset temperature, controls the refrigerant of the compressor discharge to flow through the outdoor and change Throttled after hot device by the throttle part, the compressor is returned to after then flowing through the energy storage device, so that described Energy-accumulating medium carries out storage cold, until the temperature of the energy-accumulating medium is less than the first temperature threshold or the air-conditioning system is entered The time for entering energy storage pattern reaches the first preset time；If the indoor environment temperature is less than or equal to the second preset temperature, Control the refrigerant of the compressor discharge to be throttled after flowing through the energy storage device by the throttle part, then flow through institute The compressor is returned to after stating outdoor heat exchanger, so that the energy-accumulating medium carries out storage heat, until the energy-accumulating medium The time that temperature is more than second temperature threshold value or the air-conditioning system into energy storage pattern reaches the second preset time, wherein, The second temperature threshold value is more than first temperature threshold, and second preset temperature is less than first preset temperature.
In one embodiment of the invention, when the air-conditioning system is run in a chiller mode, if the indoor ring Border temperature is more than first object temperature, then controls the refrigerant of compressor discharge to flow through after the outdoor heat exchanger by described Throttle part is throttled, and the compressor is returned to after then flowing through the indoor heat exchanger, so that the air-conditioning system is carried out Refrigeration, and judge whether the temperature of the energy-accumulating medium is less than the indoor environment temperature, wherein, if the energy-accumulating medium Temperature is less than the indoor environment temperature, then controls the energy storage device released cold quantity to carry out auxiliary cooling；If the storage The temperature of energy medium is more than or equal to the indoor environment temperature, then controls the energy storage device to stop heat exchange work.
In one embodiment of the invention, when the air-conditioning system is run with heating mode, if the indoor ring Border temperature is less than the second target temperature, then controls the refrigerant of compressor discharge to flow through after the indoor heat exchanger by described Throttle part is throttled, and the compressor is returned to after then flowing through the outdoor heat exchanger, so that the air-conditioning system is carried out Heating, and judge whether the temperature of the energy-accumulating medium is more than the indoor environment temperature, wherein, if the energy-accumulating medium Temperature is more than the indoor environment temperature, then controls the energy storage device release heat to carry out auxiliary heating；If the storage The temperature of energy medium is less than or equal to the indoor environment temperature, then controls the energy storage device to stop heat exchange work.
The advantages of aspect that the present invention adds, will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the structural representation of air-conditioning system according to an embodiment of the invention.
Fig. 2 is the operation schematic diagram of the energy storage pattern storage cold state of air-conditioning system according to embodiments of the present invention.
Fig. 3 is the operation schematic diagram of the energy storage pattern heat accumulation state of air-conditioning system according to embodiments of the present invention.
Fig. 4 is the operation schematic diagram of the refrigeration mode of air-conditioning system according to embodiments of the present invention.
Fig. 5 is the operation schematic diagram of the heating mode of air-conditioning system according to embodiments of the present invention.
Fig. 6 is the flow chart of the control method of air-conditioning system according to an embodiment of the invention.
Reference：Compressor 1, check valve 2, outdoor heat exchanger 3, four-way valve 4, indoor heat exchanger 5, indoor heat exchanger side Pipeline 6, throttle part 7, auxiliary throttle part 8, outdoor heat exchanger pipeline 9, energy storage device 10, indoor fan 11, energy storage dissipate Hot-air fan 12, outdoor fan 13, the first triple valve 14, the second triple valve 15, indoor temperature transmitter 16, energy-accumulating medium temperature pass Sensor 17, indoor energy storage lateral line 18, energy-accumulating medium 19.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The air-conditioning system of the embodiment of the present invention and its control method described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of air-conditioning system according to an embodiment of the invention.
As shown in figure 1, the air-conditioning system of the embodiment of the present invention includes：Compressor 1, outdoor heat exchanger 3, throttle part 7, room Interior heat exchanger 5, the detection module of energy storage device 10 and control module, wherein, detection module and control module do not embody in figure.
Wherein, as shown in figure 1, energy storage device 10 is disposed in the interior side, and it is arranged in parallel with indoor heat exchanger 5, energy storage dress Putting 10 includes energy-accumulating medium 19, and energy-accumulating medium 19 is used to store heat or cold.Wherein, the material of energy-accumulating medium 19 can be according to reality Border situation is demarcated.
Detection module is used for the temperature for detecting the energy-accumulating medium 19 in indoor environment temperature, energy storage device 10.
In an embodiment of the present invention, as shown in figure 1, detection module may include indoor temperature transmitter 16 and energy-accumulating medium Temperature sensor 17.Specifically, detection module can be distinguished by indoor temperature transmitter 16 and energy-accumulating medium temperature sensor 17 Detect the temperature of indoor environment temperature, energy-accumulating medium 19 in energy storage device 10.
Control module is used to obtaining the present mode of operation of air-conditioning system, and according to the present mode of operation of air-conditioning system, The refrigerant type of flow in indoor environment temperature and energy storage device 10 in the temperature control air-conditioning system of energy-accumulating medium 19, and Air-conditioning system in a chiller mode or heating mode run when according to the temperature of energy-accumulating medium 19 judge whether control energy storage device 10 carry out auxiliary cooling or auxiliary heating.Wherein, energy storage device may also include energy storage radiator fan 12, wherein, control module can By controlling being turned on and off to control whether energy storage device 10 carries out heat exchange work of energy storage radiator fan 12, while can also lead to The speed for overregulating the operation of energy storage radiator fan 12 regulates and controls the speed of the released cold quantity of energy-accumulating medium 19 or heat, i.e. energy storage device 10 speed to be exchanged heat.
It should be noted that the air-conditioning system of the present invention may include plurality of operating modes, for example, energy storage pattern, refrigeration mould Formula, heating mode and air supply pattern etc..
Furthermore, in one embodiment of the invention, as shown in Fig. 2 when the present mode of operation of air-conditioning system For energy storage pattern when, if indoor environment temperature is more than the first preset temperature, control module then controls the refrigerant that compressor 1 is discharged Throttled after flowing through outdoor heat exchanger 3 by throttle part 7, compressor 1 is returned to after then flowing through energy storage device 10, so that storage Energy medium 19 carries out storage cold, until the temperature of energy-accumulating medium 19 is less than the first temperature threshold or air-conditioning system enters energy storage The time of pattern reaches the first preset time.Wherein, the first preset temperature, the first temperature threshold and the first preset time can roots Demarcated according to actual conditions, for example, the first preset temperature can be 26 DEG C, the first temperature threshold can be 10 DEG C, first it is default when Between can be 2h (hour).
Specifically, when the present mode of operation of air-conditioning system is energy storage pattern, and to be more than first default for indoor environment temperature During temperature, control module can control indoor fan 11 be closed so that the refrigerant in indoor heat exchanger 5 not with Interior Space Gas carries out cold exchange.However, the refrigerant of this space-time adjusting system only carried out with the energy-accumulating medium 19 in energy storage device 10 it is cold exchange, Energy storage radiator fan 12 is controlled to be also at closed mode simultaneously, then cold passes through energy-accumulating medium 19 caused by air-conditioning system indoor Phase transformation or temperature change be stored in energy storage device 10, so as to reach the purpose being stored in cold in energy storage device 10.
For the ease of the description of this invention, using the first preset temperature as 26 DEG C, the first temperature threshold is 10 DEG C, and first is pre- If the time illustrates exemplified by being 2h.Wherein, when the present mode of operation of air-conditioning system is energy storage pattern, if detection module Detect that indoor environment temperature is 28 DEG C (such as indoor environment temperatures in summer) by indoor temperature transmitter 16, i.e., it is indoor Environment temperature is higher than the first preset temperature, then control module can control refrigerant to enter four-way valve 4 through the outlet of compressor 1, and pass through Four-way valve 4 flows into outdoor heat exchanger 3.Control outdoor fan 13 to run simultaneously, taken away by the air of outdoor cold in outdoor heat exchanger 3 The heat of matchmaker, i.e. refrigerant carries out heat exchange in outdoor heat exchanger 3.
Then, the refrigerant flows into check valve 2 through outdoor heat exchanger lateral line 9, and the rear throttle part 7 that flows into is throttled, then Enter energy storage device 10 by the first triple valve 14 and indoor energy storage lateral line 18 afterwards, now, control module can control energy storage to dissipate Hot-air fan 12 is closed, and the cold that the refrigerant carries is being stored up by energy-accumulating medium 19 by temperature change or phase change memory In energy device 10.The refrigerant enters compressor 1 after the outflow of energy storage device 10, by the second triple valve 15 and four-way valve 4, then Discharged after being compressed again by compressor 1, complete a circulation.
In the cycle, indoor heat exchanger lateral line 6 is closed, and indoor heat exchanger 5 and indoor fan 11 do not work, phase When the indoor set in air conditioner does not work, only energy storage device 10 stores cold.Now, it is cold caused by air-conditioning system indoor Amount, is stored in energy storage device 10 by the phase transformation or temperature change of energy-accumulating medium 19, and energy storage device 10 stores cold, until The temperature of energy-accumulating medium 19 is less than 10 DEG C, or operation duration of the air-conditioning system in this state reaches 2h.
In addition, in an embodiment of the present invention, as shown in figure 3, when the present mode of operation of air-conditioning system is energy storage pattern When, if indoor environment temperature is less than or equal to the second preset temperature, the refrigerant that control module then controls compressor 1 to discharge flows through storage It can be throttled after device 10 by throttle part 7, compressor 1 be returned to after then flowing through outdoor heat exchanger 3, so that energy-accumulating medium 19 carry out storage heat, until the temperature of energy-accumulating medium 19 is more than second temperature threshold value or air-conditioning system enters energy storage pattern Time reaches the second preset time, wherein, second temperature threshold value is more than the first temperature threshold, and it is pre- that the second preset temperature is less than first If temperature, second temperature threshold value, the second preset temperature and the second preset time can be demarcated according to actual conditions.
Specifically, when the present mode of operation of air-conditioning system is energy storage pattern, and indoor environment temperature is less than or equal to second During preset temperature, control module can control indoor fan 11 be closed so that the refrigerant in indoor heat exchanger 5 not with room Interior air carries out heat exchange.However, the refrigerant of this space-time adjusting system only carries out heat with the energy-accumulating medium 19 in energy storage device 10 Exchange, while control energy storage radiator fan 12 to be also at closed mode, then heat caused by air-conditioning system indoor passes through energy storage The phase transformation of medium 19 or temperature change are stored in energy storage device 10, and heat is stored in energy storage device 10 so as to reach Purpose.
For the ease of the description of this invention, using the second preset temperature as 18 DEG C, second temperature threshold value is 70 DEG C, and second is pre- If the time illustrates exemplified by being 2.5h.Wherein, when the present mode of operation of air-conditioning system is energy storage pattern, if detection mould Block detects that indoor environment temperature is 8 DEG C by indoor temperature transmitter 16, i.e. indoor environment temperature is less than the second preset temperature, Then control module can control refrigerant to enter four-way valve 4 through the outlet of compressor 1, and flow into energy storage device by the second triple valve 15 10.Control energy storage radiator fan 12 not run simultaneously, the heat that the refrigerant carries by energy-accumulating medium 19 by temperature change or Phase transformation, it is stored in energy storage device 10.
Then, the refrigerant is flowed out from energy storage device 10, and the first triple valve 14 is flowed into by indoor energy storage lateral line 18, then Throttle part 7 is flowed into afterwards and auxiliary throttle part 8 is throttled, and then flows into outdoor heat exchange by outdoor heat exchanger pipeline 9 Device 3.Control module control outdoor fan 11 operates, and discharges the cold of refrigerant carrying, the refrigerant comes out from outdoor heat exchanger 3 Afterwards, then through four-way valve 4 enter compressor 1, discharged after then being compressed again by compressor 1, complete a circulation.
In the cycle, indoor heat exchanger lateral line 6 is closed, and indoor heat exchanger 5 and indoor fan 11 do not work, phase When the indoor set in air conditioner does not work, only energy storage device 10 stores heat.Now, it is hot caused by air-conditioning system indoor Amount, is stored in energy storage device 10, the storing heat of energy storage device 10 by the phase transformation or temperature change of energy-accumulating medium 19, until The temperature of energy-accumulating medium 19 is higher than 70 DEG C, or operation duration of the air-conditioning system in this state reaches 2.5h.
In one embodiment of the invention, as shown in figure 4, when air-conditioning system is run in a chiller mode, if indoor Environment temperature is more than first object temperature, the refrigerant that control module then controls compressor 1 to discharge flow through after outdoor heat exchanger 3 by Throttle part 7 is throttled, and is returned to compressor 1 after then flowing through indoor heat exchanger 5, so that air-conditioning system is freezed, and is sentenced Whether the temperature of disconnected energy-accumulating medium 19 is less than indoor environment temperature, wherein, if the temperature of energy-accumulating medium 19 is less than indoor environment Temperature, control module then controls the released cold quantity of energy storage device 10 to carry out auxiliary cooling, if the temperature of energy-accumulating medium 19 is more than Equal to indoor environment temperature, control module then controls energy storage device 10 to stop heat exchange work.Wherein, first object temperature can basis Actual conditions are demarcated.
For the ease of the description of this invention, illustrated so that first object temperature is 25 DEG C as an example.Wherein, when air-conditioning system When the present mode of operation of system is refrigeration mode, if detection module detects indoor environment temperature by indoor temperature transmitter 16 Spend for 29 DEG C, then control module can control the refrigerant in air-conditioning system pipeline, after compressing discharge by compressor 1, be flowed through four-way valve 4 Enter outdoor heat exchanger 3.Control outdoor fan 13 to run simultaneously, the heat of refrigerant in outdoor heat exchanger 3 is taken away by the air of outdoor. Then, the refrigerant flows into throttle part 7 through outdoor heat exchanger lateral line 9 and check valve 2 and throttled, and then passes through the first threeway Valve 14 and indoor heat exchanger lateral line 6 get in heat exchanger 5.Control module control indoor fan 11 is run, indoor heat exchanger 5 Interior refrigerant and room air carry out it is cold exchange, cold caused by air-conditioning system indoor, interior is discharged into by indoor fan 11 Side.
Then, the refrigerant enters compressor 1 after the outflow of indoor heat exchanger 5 through the second triple valve 15 and four-way valve 4, then Discharged after being compressed again by compressor 1, complete a circulation.
In the cycle, indoor energy storage lateral line 18 is closed, and refrigerant now realizes system not through energy storage device 10 Circulation.If it is 29 DEG C that now detection module detects current indoor environment temperature by indoor temperature transmitter 16, it is situated between by energy storage Matter temperature sensor 17 detects that the Current Temperatures of energy-accumulating medium 19 are 2 DEG C, i.e. the Current Temperatures (2 DEG C) of energy-accumulating medium 19 are less than Current indoor environment temperature (29 DEG C), and current indoor environment temperature remains above first object temperature (25 DEG C), then controls Module can control energy storage radiator fan 12 to operate, and energy storage device 10 discharges the cold of storage inside, further to reduce indoor Environment temperature.
Furthermore, after air-conditioning system runs a period of time in cooling mode, if indoor environment temperature reduces For 26 DEG C, the energy-accumulating medium 19 in energy storage device 10 causes the temperature of energy-accumulating medium 19 to rise to 26 by 2 DEG C because of released cold quantity DEG C, i.e. the Current Temperatures of energy-accumulating medium 19 are identical with current indoor environment temperature, then show do not have now inside energy storage device 10 Store cold.Now control module can control energy storage radiator fan 12 to shut down so that energy storage device 10 no longer with Interior Space Gas carries out cold and hot exchange, while continues to be reduced to first object temperature by 26 DEG C as 25 DEG C of work by indoor environment temperature, control The cooling cycle system of indoor heat exchanger 5 processed and the system of compressor 1 composition is completed.
In addition, after air-conditioning system runs a period of time in cooling mode, if indoor environment temperature is reduced to 25 DEG C, Energy-accumulating medium 19 in energy storage device 10 causes the temperature of energy-accumulating medium 19 to rise to 19 DEG C by 2 DEG C because of released cold quantity, i.e. when Preceding indoor environment temperature has reached 25 DEG C of the first object temperature of setting, then illustrates that now energy storage device 10 can stop to interior Air released cold quantity.Although the temperature of energy-accumulating medium 19 is still below current indoor environment temperature (25 DEG C), i.e., in energy storage device 10 Portion still stores cold, and still, control module will control energy storage device 10 no longer to room air released cold quantity.
In one embodiment of the invention, as shown in figure 5, when air-conditioning system is run with heating mode, if indoor Environment temperature is less than the second target temperature, the refrigerant that control module then controls compressor 1 to discharge flow through after indoor heat exchanger 5 by Throttle part 7 is throttled, and is returned to compressor 1 after then flowing through outdoor heat exchanger 3, so that air-conditioning system is heated, and is sentenced Whether the temperature of disconnected energy-accumulating medium 19 is more than indoor environment temperature, wherein, if the temperature of energy-accumulating medium 19 is more than indoor environment Temperature, control module then controls energy storage device 10 to discharge heat to carry out auxiliary heating, if the temperature of energy-accumulating medium 19 is less than Equal to indoor environment temperature, control module then controls energy storage device 10 to stop heat exchange work.Wherein, the second target temperature can basis Actual conditions are demarcated.
For the ease of the description of this invention, illustrated so that the second target temperature is 20 DEG C as an example.Wherein, when air-conditioning system When the present mode of operation of system is heating mode, if detection module detects indoor environment temperature by indoor temperature transmitter 16 Spend for 9 DEG C, then after control module can control the refrigerant in air-conditioning system pipeline to compress discharge by compressor 1, through four-way valve 4 and the Two triple valves 15 flow into indoor heat exchanger 5.Control indoor fan 11 to run simultaneously, indoor heat exchanger 5 is taken away by the air of interior Heat in refrigerant.Then, the refrigerant flows into the first triple valve 14 through indoor heat exchanger lateral line 6, then by the He of throttle part 7 Enter outdoor heat exchanger lateral line 9 after aiding in the throttling of throttle part 8, to enter outdoor heat exchanger 3.Control module can control room External fan 13 is run, the refrigerant in outdoor heat exchanger 3 and outdoor air carry out it is cold exchange, it is cold caused by air-conditioning system outside Amount, outdoor is discharged into by outdoor fan 13.The refrigerant enters compressor 1 after the outflow of outdoor heat exchanger 3, by four-way valve 4, so Discharged after being compressed again by compressor 1 afterwards, complete a circulation.
In the cycle, indoor energy storage lateral line 18 is closed, and refrigerant now realizes system not through energy storage device 10 Circulation.If it is 9 DEG C that detection module detects current indoor environment temperature by indoor temperature transmitter 16, pass through energy-accumulating medium temperature Sensor 17 detects that the Current Temperatures of energy-accumulating medium 19 are 80 DEG C, then now control module can determine whether the current of energy-accumulating medium 19 (80 DEG C) of temperature is higher than current indoor environment temperature (9 DEG C), and current indoor environment temperature (9 DEG C) is still below the second target temperature (20 DEG C), control module can control energy storage radiator fan 12 to operate, and energy storage device 10 discharges the heat of storage inside, with further Improve indoor environment temperature.
Furthermore, after air-conditioning system runs a period of time in a heating mode, if indoor environment temperature raises To 19 DEG C, the temperature of energy-accumulating medium 19 is reduced to 19 DEG C by 80 DEG C, i.e. the Current Temperatures of energy-accumulating medium 19 and current indoor ring Border temperature is identical, then shows not store heat inside energy storage device 10 now, now control module can control energy storage radiator fan 12 shut down so that energy storage device 10 no longer with room air carry out heat exchange, while by indoor environment temperature by 19 DEG C after A height of second target temperature of continuing rising is the heating cyclic system of 20 DEG C of work, control indoor heat exchanger 5 and the system of compressor 1 composition System is completed.
In addition, after air-conditioning system runs a period of time in a heating mode, if indoor environment temperature is increased to 20 DEG C, Energy-accumulating medium 19 in energy storage device 10 is reduced to 50 DEG C because discharging heat, the temperature of energy-accumulating medium 19 by 80 DEG C, i.e. current Indoor environment temperature has reached 20 DEG C of the second target temperature of setting, then illustrates that now energy storage device 10 can stop to room air Discharge heat.Although the temperature of energy-accumulating medium 19 remains above current indoor environment temperature (20 DEG C), i.e., inside energy storage device 10 still Heat is stored, still, control module will control energy storage device 10 no longer to room air released cold quantity.
In an embodiment of the present invention, air-conditioning system is can control before refrigerating operaton, first with energy storage mode operation 2 hours, Refrigerating capacity in 2 hours is stored in energy-accumulating medium 19.Then, the air-conditioning system is set to run in cooling mode, with reality The output of the air-conditioning, in a short time big refrigerating capacity of existing small number, improve the comfortableness of short-term big refrigeration capacity requirement occasion.
To sum up, air-conditioning system according to embodiments of the present invention, indoor environment temperature, energy storage device are detected by detection module In energy-accumulating medium temperature, and the present mode of operation of air-conditioning system is obtained by control module, and according to air-conditioning system Refrigerant flowing in present mode of operation, indoor environment temperature and energy storage device in the temperature control air-conditioning system of energy-accumulating medium Mode, and air-conditioning system in a chiller mode or heating mode run when according to the temperature of energy-accumulating medium judge whether control storage Can device progress auxiliary cooling or auxiliary heating.Thus, the air-conditioning system can be by controlling the refrigerant in air-conditioning system to flow Mode, to realize that small number air-conditioning exports big refrigerating capacity or heating capacity, so as to improve the comfortableness that air-conditioning system uses, and subtract The consumption of few energy.
Fig. 6 is the flow chart of the control method of air-conditioning system according to an embodiment of the invention.In the implementation of the present invention In example, as shown in figure 1, air-conditioning system may include compressor, outdoor heat exchanger, throttle part, indoor heat exchanger and energy storage device, Energy storage device is disposed in the interior side, and is arranged in parallel with indoor heat exchanger, and energy storage device includes energy-accumulating medium, and energy-accumulating medium is used for Store heat or cold.Wherein, the material of energy-accumulating medium 19 can be demarcated according to actual conditions.
As shown in fig. 6, the control method of the air-conditioning system of the embodiment of the present invention comprises the following steps：
S1, detection indoor environment temperature, the temperature of energy-accumulating medium in energy storage device.
In an embodiment of the present invention, as shown in figure 1, air-conditioning system can pass through indoor temperature transmitter and energy-accumulating medium temperature Degree sensor detects the temperature of the energy-accumulating medium in indoor environment temperature, energy storage device respectively.
S2, the present mode of operation of air-conditioning system is obtained, and according to the present mode of operation of air-conditioning system, indoor environment temperature The refrigerant type of flow in degree and energy storage device in the temperature control air-conditioning system of energy-accumulating medium, and in air-conditioning system to make Judge whether that control energy storage device carries out auxiliary cooling or auxiliary according to the temperature of energy-accumulating medium when chill formula or heating mode are run Help heating.Wherein, energy storage device may also include energy storage radiator fan, wherein, air-conditioning system can be by controlling energy storage radiator fan Be turned on and off to control energy storage device whether to carry out heat exchange work, while can also be run by adjusting energy storage radiator fan Speed regulates and controls the speed of energy-accumulating medium released cold quantity or heat, i.e., the speed that energy storage device is exchanged heat.
It should be noted that the air-conditioning system described in the embodiment may include plurality of operating modes, for example, energy storage mould Formula, refrigeration mode, heating mode and air supply pattern etc..
Furthermore, in one embodiment of the invention, as shown in Fig. 2 in one embodiment of the invention, when When the present mode of operation of air-conditioning system is energy storage pattern, if indoor environment temperature is more than the first preset temperature, control pressure The refrigerant of contracting machine discharge is throttled after flowing through outdoor heat exchanger by throttle part, and compression is returned to after then flowing through energy storage device Machine, so that energy-accumulating medium carries out storage cold, until the temperature of energy-accumulating medium is less than the first temperature threshold or air-conditioning system is entered The time for entering energy storage pattern reaches the first preset time.Wherein, the first preset temperature, the first temperature threshold and the first preset time Can be demarcated according to actual conditions, for example, the first preset temperature can be 26 DEG C, the first temperature threshold can be 10 DEG C, first Preset time can be 2h (hour).
Specifically, when the present mode of operation of air-conditioning system is energy storage pattern, and to be more than first default for indoor environment temperature During temperature, the air-conditioning system can control indoor fan be closed so that the refrigerant in indoor heat exchanger not with Interior Space Gas carries out cold exchange.However, the refrigerant of this space-time adjusting system only carried out with the energy-accumulating medium in energy storage device it is cold exchange, simultaneously Control energy storage radiator fan is also at closed mode, then cold caused by air-conditioning system indoor by the phase transformation of energy-accumulating medium or Person's temperature change is stored in energy storage device, so as to reach the purpose being stored in cold in energy storage device.
For the ease of the description of this invention, using the first preset temperature as 26 DEG C, the first temperature threshold is 10 DEG C, and first is pre- If the time illustrates exemplified by being 2h.Wherein, when the present mode of operation of air-conditioning system is energy storage pattern, if passing through interior Temperature sensor detects that indoor environment temperature is 28 DEG C (such as indoor environment temperatures in summer), i.e., indoor environment temperature is high In the first preset temperature, then the air-conditioning system can control refrigerant to enter four-way valve through compressor outlet, and be flowed into by four-way valve Outdoor heat exchanger.Control outdoor fan to run simultaneously, the heat of refrigerant in outdoor heat exchanger is taken away by the air of outdoor, i.e. cold Matchmaker carries out heat exchange in outdoor heat exchanger.
Then, the refrigerant flows into check valve through outdoor heat exchanger lateral line, and the rear throttle part that flows into is throttled, then after pass through Cross the first triple valve and indoor energy storage lateral line enters energy storage device, now, the air-conditioning system can control at energy storage radiator fan In closed mode, cold that the refrigerant carries by energy-accumulating medium by temperature change or phase change memory in energy storage device.Should Refrigerant enters compressor by the second triple valve and four-way valve, is then compressed by the compressor heel row again after energy storage device outflow Go out, complete a circulation.
In the cycle, indoor heat exchanger lateral line is closed, and indoor heat exchanger and indoor fan do not work, equivalent to The indoor set of air conditioner does not work, only energy storage device storage cold.Now, cold caused by air-conditioning system indoor, passes through The phase transformation of energy-accumulating medium or temperature change are stored in energy storage device, energy storage device storage cold, until the temperature of energy-accumulating medium Degree is less than 10 DEG C, or operation duration of the air-conditioning system in this state reaches 2h.
In addition, in an embodiment of the present invention, as shown in figure 3, when the present mode of operation of air-conditioning system is energy storage pattern When, if indoor environment temperature is less than or equal to the second preset temperature, after the refrigerant that control compressor is discharged flows through energy storage device Throttled by throttle part, compressor is returned to after then flowing through outdoor heat exchanger, so that energy-accumulating medium carries out storage heat, Preset until the temperature of energy-accumulating medium reaches second more than the time of second temperature threshold value or air-conditioning system into energy storage pattern Time, wherein, second temperature threshold value is more than the first temperature threshold, and the second preset temperature is less than the first preset temperature, second temperature Threshold value, the second preset temperature and the second preset time can be demarcated according to actual conditions.
Specifically, when the present mode of operation of air-conditioning system is energy storage pattern, and indoor environment temperature is less than or equal to second During preset temperature, the air-conditioning system can control indoor fan be closed so that the refrigerant in indoor heat exchanger not with room Interior air carries out heat exchange.However, energy-accumulating medium of the refrigerant of this space-time adjusting system only and in energy storage device carries out heat exchange, Energy storage radiator fan is controlled to be also at closed mode simultaneously, then the phase that heat caused by air-conditioning system indoor passes through energy-accumulating medium Become or temperature change is stored in energy storage device, so as to reach the purpose being stored in heat in energy storage device.
For the ease of the description of this invention, using the second preset temperature as 18 DEG C, second temperature threshold value is 70 DEG C, and second is pre- If the time illustrates exemplified by being 2.5h.Wherein, when the present mode of operation of air-conditioning system is energy storage pattern, if passing through room Interior temperature sensor detects that indoor environment temperature is 8 DEG C, i.e. indoor environment temperature is less than the second preset temperature, then the air-conditioning system The controllable refrigerant of system enters four-way valve through compressor outlet, and flows into energy storage device by the second triple valve.Control energy storage simultaneously Radiator fan is not run, and the heat that the refrigerant carries, by temperature change or phase transformation, is stored in energy storage device by energy-accumulating medium It is interior.
Then, the refrigerant flows out from energy storage device, by indoor energy storage lateral line flow into the first triple valve, then after flow into Throttle part and auxiliary throttle part are throttled, and then flow into outdoor heat exchanger by outdoor heat exchanger pipeline.The air-conditioning System control office external fan operates, and discharges the cold of refrigerant carrying, the refrigerant is after outdoor heat exchanger comes out, then through four-way valve Into compressor, discharged after being then compressed by the compressor again, complete a circulation.
In the cycle, indoor heat exchanger lateral line is closed, and indoor heat exchanger and indoor fan do not work, equivalent to The indoor set of air conditioner does not work, only energy storage device storage heat.Now, heat caused by air-conditioning system indoor, passes through The phase transformation of energy-accumulating medium or temperature change are stored in energy storage device, energy storage device storing heat, until the temperature of energy-accumulating medium Degree is higher than 70 DEG C, or operation duration of the air-conditioning system in this state reaches 2.5h.
In one embodiment of the invention, as shown in figure 4, when air-conditioning system is run in a chiller mode, if indoor Environment temperature is more than first object temperature, then controls the refrigerant of compressor discharge to enter after flowing through outdoor heat exchanger by throttle part Row throttling, returns to compressor after then flowing through indoor heat exchanger, so that air-conditioning system is freezed, and judges the temperature of energy-accumulating medium Whether degree is less than indoor environment temperature, wherein, if the temperature of energy-accumulating medium is less than indoor environment temperature, control energy storage device Released cold quantity, if the temperature of energy-accumulating medium is more than or equal to indoor environment temperature, controls energy storage device to carry out auxiliary cooling Stop heat exchange work.Wherein, first object temperature can be demarcated according to actual conditions.
For the ease of the description of this invention, illustrated so that first object temperature is 25 DEG C as an example.Wherein, when air-conditioning system When the present mode of operation of system is refrigeration mode, if detecting that indoor environment temperature is 29 DEG C by indoor temperature transmitter, Then the air-conditioning system can control the refrigerant in air-conditioning system pipeline, after being discharged by compressor compresses, flows into outdoor through four-way valve and changes Hot device.Control outdoor fan to run simultaneously, the heat of refrigerant in outdoor heat exchanger is taken away by the air of outdoor.Then, the refrigerant Throttle part is flowed into through outdoor heat exchanger lateral line and check valve to be throttled, and then passes through the first triple valve and indoor heat exchanger Lateral line gets in heat exchanger.The Air-condition system control indoor fan is run, refrigerant and room air in indoor heat exchanger Cold exchange is carried out, cold caused by air-conditioning system indoor, indoor is discharged into by indoor fan.
Then, the refrigerant through the second triple valve and four-way valve enters compressor after indoor heat exchanger outflow, then again by Discharged after compressor compresses, complete a circulation.
In the cycle, indoor energy storage lateral line is closed, and refrigerant now realizes system circulation not through energy storage device. If it is 29 DEG C that now the air-conditioning system detects current indoor environment temperature by indoor temperature transmitter, pass through energy-accumulating medium temperature Sensor detects that the Current Temperatures of energy-accumulating medium are 2 DEG C, i.e., (2 DEG C) of the Current Temperatures of energy-accumulating medium are less than current indoor ring Border temperature (29 DEG C), and current indoor environment temperature remains above first object temperature (25 DEG C), then the air-conditioning system can control Energy storage radiator fan operates, and energy storage device discharges the cold of storage inside, further to reduce indoor environment temperature.
Furthermore, after air-conditioning system runs a period of time in cooling mode, if indoor environment temperature reduces For 26 DEG C, the energy-accumulating medium in energy storage device causes the temperature of energy-accumulating medium to rise to 26 DEG C by 2 DEG C because of released cold quantity, i.e. storage The Current Temperatures of energy medium are identical with current indoor environment temperature, then show not store cold inside energy storage device now.This When the air-conditioning system can control energy storage radiator fan to shut down so that energy storage device no longer carries out cold and hot friendship with room air Change, while indoor environment temperature is continued to be reduced to first object temperature as 25 DEG C of work by 26 DEG C, control indoor heat exchanger Completed with the cooling cycle system of compressor assembly composition.
In addition, after air-conditioning system runs a period of time in cooling mode, if indoor environment temperature is reduced to 25 DEG C, Energy-accumulating medium in energy storage device causes the temperature of energy-accumulating medium to rise to 19 DEG C by 2 DEG C, i.e. current room because of released cold quantity Interior environment temperature has reached 25 DEG C of the first object temperature of setting, then illustrates that now energy storage device can stop discharging to room air Cold.Although the temperature of energy-accumulating medium is still below current indoor environment temperature (25 DEG C), i.e., still stored inside energy storage device cold Amount, still, the air-conditioning system will control energy storage device no longer to room air released cold quantity.
In one embodiment of the invention, as shown in figure 5, when air-conditioning system is run with heating mode, if indoor Environment temperature is less than the second target temperature, then controls the refrigerant of compressor discharge to enter after flowing through indoor heat exchanger by throttle part Row throttling, returns to compressor after then flowing through outdoor heat exchanger, so that air-conditioning system is heated, and judges the temperature of energy-accumulating medium Whether degree is more than indoor environment temperature, wherein, if the temperature of energy-accumulating medium is more than indoor environment temperature, control energy storage device Heat is discharged to carry out auxiliary heating, if the temperature of energy-accumulating medium is less than or equal to indoor environment temperature, controls energy storage device Stop heat exchange work.Wherein, the second target temperature can be demarcated according to actual conditions.
For the ease of the description of this invention, illustrated so that the second target temperature is 20 DEG C as an example.Wherein, when air-conditioning system When the present mode of operation of system is heating mode, if detecting that indoor environment temperature is 9 DEG C by indoor temperature transmitter, After the air-conditioning system can control the refrigerant in air-conditioning system pipeline to be discharged by compressor compresses, through four-way valve and the second triple valve stream Enter indoor heat exchanger.Control indoor fan to run simultaneously, the heat in indoor heat exchanger refrigerant is taken away by the air of interior.With Afterwards, the refrigerant flows into the first triple valve, then the throttling by throttle part and auxiliary throttle part through indoor heat exchanger lateral line Enter outdoor heat exchanger lateral line afterwards, with into outdoor heat exchanger.The air-conditioning system can control outdoor fan operation, outdoor heat exchange Refrigerant in device and outdoor air carry out it is cold exchange, cold caused by air-conditioning system outside, outdoor is discharged into by outdoor fan. The refrigerant enters compressor by four-way valve, discharged after then being compressed again by compressor 1 after outdoor heat exchanger outflow, completes One circulation.
In the cycle, indoor energy storage lateral line is closed, and refrigerant now realizes system circulation not through energy storage device. If it is 9 DEG C that the air-conditioning system detects current indoor environment temperature by indoor temperature transmitter, pass through energy-accumulating medium TEMP Device detects that the Current Temperatures of energy-accumulating medium are 80 DEG C, then now the air-conditioning system can determine whether the Current Temperatures (80 of energy-accumulating medium DEG C) it is higher than current indoor environment temperature (9 DEG C), and current indoor environment temperature (9 DEG C) is still below the second target temperature (20 DEG C), The air-conditioning system can control the operating of energy storage radiator fan, and energy storage device discharges the heat of storage inside, indoor further to improve Environment temperature.
Furthermore, after air-conditioning system runs a period of time in a heating mode, if indoor environment temperature raises To 19 DEG C, the temperature of energy-accumulating medium is reduced to 19 DEG C by 80 DEG C, i.e. the Current Temperatures of energy-accumulating medium and current indoor environment temperature Spend identical, then show inside energy storage device now no storage heat, now the air-conditioning system can control energy storage radiator fan to stop Operating, so that energy storage device no longer carries out heat exchange with room air, while indoor environment temperature is continued into rise by 19 DEG C and is Second target temperature is 20 DEG C of work, and the heating recycle system of control indoor heat exchanger and compressor assembly composition is completed.
In addition, after air-conditioning system runs a period of time in a heating mode, if indoor environment temperature is increased to 20 DEG C, Energy-accumulating medium in energy storage device is reduced to 50 DEG C because discharging heat, the temperature of energy-accumulating medium by 80 DEG C, i.e. current indoor ring Border temperature has reached 20 DEG C of the second target temperature of setting, then illustrates that now energy storage device can stop discharging heat to room air Amount.Although the temperature of energy-accumulating medium remains above current indoor environment temperature (20 DEG C), i.e., heat is still stored inside energy storage device, But the air-conditioning system will control energy storage device 10 no longer to room air released cold quantity.
In an embodiment of the present invention, air-conditioning system can be small by 2 first with energy storage mode operation 2 hours before refrigerating operaton When in refrigerating capacity be stored in energy-accumulating medium.Then, the air-conditioning system is set to run in cooling mode, to realize small number Air-conditioning, in a short time big refrigerating capacity output, improve the comfortableness of short-term big refrigeration capacity requirement occasion.
To sum up, the control method of air-conditioning system according to embodiments of the present invention, indoor environment temperature, energy storage dress are detected first The temperature of energy-accumulating medium in putting, the present mode of operation of air-conditioning system is then obtained, and according to the current operation of air-conditioning system The refrigerant type of flow in pattern, indoor environment temperature and energy storage device in the temperature control air-conditioning system of energy-accumulating medium, with And air-conditioning system in a chiller mode or heating mode run when according to the temperature of energy-accumulating medium judge whether control energy storage device Carry out auxiliary cooling or auxiliary heating.Thus, the control method can be come by controlling the refrigerant type of flow in air-conditioning system Realize that small number air-conditioning exports big refrigerating capacity or heating capacity, so as to improve the comfortableness that air-conditioning system uses, and reduce the energy Consumption.
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 the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification Close and combine.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three It is individual etc., unless otherwise specifically defined.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize custom logic function or process Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform 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 system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (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, which can even is that, to print the paper of described program thereon or other are suitable Medium, because can then enter edlin, interpretation or if 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 several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage Or firmware is realized.Such as, if realized with hardware with another embodiment, following skill well known in the art can be used Any one of art or their combination are realized：With the logic gates for realizing logic function to data-signal from Logic circuit is dissipated, the application 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 appreciated that to realize all or part of step that above-described embodiment method carries Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although have been shown and retouch above Embodiments of the invention are stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the limit to the present invention System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention Type.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (9)

  1. A kind of 1. air-conditioning system, it is characterised in that including：
    Compressor, outdoor heat exchanger, throttle part and indoor heat exchanger；
    Energy storage device, the energy storage device is disposed in the interior side, and is arranged in parallel with the indoor heat exchanger, the energy storage device Including energy-accumulating medium, the energy-accumulating medium is used to store heat or cold；
    Detection module, the detection module are used for the temperature for detecting indoor environment temperature, energy-accumulating medium in the energy storage device；
    Control module, the control module are used for the present mode of operation for obtaining the air-conditioning system, and according to the air-conditioning system Air-conditioning described in the temperature control of energy-accumulating medium in the present mode of operation of system, the indoor environment temperature and the energy storage device The refrigerant type of flow in system, and the air-conditioning system in a chiller mode or heating mode run when according to the energy storage The temperature of medium judges whether to control the energy storage device to carry out auxiliary cooling or auxiliary heating.
  2. 2. air-conditioning system according to claim 1, it is characterised in that when the present mode of operation of the air-conditioning system is storage During energy pattern, wherein,
    If the indoor environment temperature is more than the first preset temperature, the control module then controls the cold of the compressor discharge Matchmaker is throttled after flowing through the outdoor heat exchanger by the throttle part, then flow through return to after the energy storage device it is described Compressor so that the energy-accumulating medium carries out storage cold, until the temperature of the energy-accumulating medium be less than the first temperature threshold or The time that air-conditioning system described in person enters energy storage pattern reaches the first preset time；
    If the indoor environment temperature is less than or equal to the second preset temperature, the control module then controls the compressor to discharge Refrigerant flow through the energy storage device after throttled by the throttle part, returned to after then flowing through the outdoor heat exchanger The compressor, so that the energy-accumulating medium carries out storage heat, until the temperature of the energy-accumulating medium is more than second temperature threshold The time that value or the air-conditioning system enter energy storage pattern reaches the second preset time, wherein, the second temperature threshold value is big In first temperature threshold, second preset temperature is less than first preset temperature.
  3. 3. air-conditioning system according to claim 1, it is characterised in that when the air-conditioning system is run in a chiller mode, If the indoor environment temperature is more than first object temperature, the control module then controls the refrigerant stream of the compressor discharge Throttled after the outdoor heat exchanger by the throttle part, the pressure is returned to after then flowing through the indoor heat exchanger Contracting machine, so that the air-conditioning system is freezed, and judge whether the temperature of the energy-accumulating medium is less than the indoor environment temperature Degree, wherein,
    If the temperature of the energy-accumulating medium is less than the indoor environment temperature, the control module then controls the energy storage device Released cold quantity is to carry out auxiliary cooling；
    If the temperature of the energy-accumulating medium is more than or equal to the indoor environment temperature, the control module then controls the energy storage Device stops heat exchange work.
  4. 4. air-conditioning system according to claim 1, it is characterised in that when the air-conditioning system is run with heating mode, If the indoor environment temperature is less than the second target temperature, the control module then controls the refrigerant stream of the compressor discharge Throttled after the indoor heat exchanger by the throttle part, the pressure is returned to after then flowing through the outdoor heat exchanger Contracting machine, so that the air-conditioning system is heated, and judge whether the temperature of the energy-accumulating medium is more than the indoor environment temperature Degree, wherein,
    If the temperature of the energy-accumulating medium is more than the indoor environment temperature, the control module then controls the energy storage device Heat is discharged to carry out auxiliary heating；
    If the temperature of the energy-accumulating medium is less than or equal to the indoor environment temperature, the control module then controls the energy storage Device stops heat exchange work.
  5. 5. according to the air-conditioning system any one of claim 1-4, it is characterised in that the energy storage device dissipates including energy storage Hot-air fan, wherein, the control module is by controlling being turned on and off to control the energy storage to fill of the energy storage radiator fan Put and whether carry out heat exchange work.
  6. 6. a kind of control method of air-conditioning system, it is characterised in that the air-conditioning system includes compressor, outdoor heat exchanger, section Stream unit, indoor heat exchanger and energy storage device, the energy storage device are disposed in the interior side, and in parallel with the indoor heat exchanger set Put, the energy storage device includes energy-accumulating medium, and the energy-accumulating medium is used to storing heat or cold, the control method include with Lower step：
    Detect the temperature of indoor environment temperature, energy-accumulating medium in the energy storage device；
    The present mode of operation of the air-conditioning system is obtained, and according to the present mode of operation of the air-conditioning system, the interior The refrigerant type of flow in environment temperature and the energy storage device in air-conditioning system described in the temperature control of energy-accumulating medium, and The air-conditioning system in a chiller mode or heating mode run when according to the temperature of the energy-accumulating medium judge whether control institute State energy storage device and carry out auxiliary cooling or auxiliary heating.
  7. 7. the control method of air-conditioning system according to claim 6, it is characterised in that when the current fortune of the air-conditioning system When row mode is energy storage pattern, wherein,
    If the indoor environment temperature is more than the first preset temperature, the refrigerant of the compressor discharge is controlled to flow through the room Throttled after external heat exchanger by the throttle part, the compressor is returned to after then flowing through the energy storage device, so that The energy-accumulating medium carries out storage cold, until the temperature of the energy-accumulating medium is less than the first temperature threshold or the air-conditioning system The time that system enters energy storage pattern reaches the first preset time；
    If the indoor environment temperature is less than or equal to the second preset temperature, the refrigerant of the compressor discharge is controlled to flow through institute Throttled after stating energy storage device by the throttle part, the compressor returned to after then flowing through the outdoor heat exchanger, So that the energy-accumulating medium carries out storage heat, until the temperature of the energy-accumulating medium is more than second temperature threshold value or the sky The time that adjusting system enters energy storage pattern reaches the second preset time, wherein, the second temperature threshold value is more than the described first temperature Threshold value is spent, second preset temperature is less than first preset temperature.
  8. 8. the control method of air-conditioning system according to claim 6, it is characterised in that when the air-conditioning system is with the mould that freezes When formula is run, if the indoor environment temperature is more than first object temperature, the refrigerant of the compressor discharge is controlled to flow through Throttled after the outdoor heat exchanger by the throttle part, the compression is returned to after then flowing through the indoor heat exchanger Machine, so that the air-conditioning system is freezed, and judges whether the temperature of the energy-accumulating medium is less than the indoor environment temperature, Wherein,
    If the temperature of the energy-accumulating medium is less than the indoor environment temperature, the energy storage device released cold quantity is controlled to enter Row auxiliary cooling；
    If the temperature of the energy-accumulating medium is more than or equal to the indoor environment temperature, the energy storage device is controlled to stop heat exchange Work.
  9. 9. the control method of air-conditioning system according to claim 6, it is characterised in that when the air-conditioning system to heat mould When formula is run, if the indoor environment temperature is less than the second target temperature, the refrigerant of the compressor discharge is controlled to flow through Throttled after the indoor heat exchanger by the throttle part, the compression is returned to after then flowing through the outdoor heat exchanger Machine, so that the air-conditioning system is heated, and judges whether the temperature of the energy-accumulating medium is more than the indoor environment temperature, Wherein,
    If the temperature of the energy-accumulating medium is more than the indoor environment temperature, the energy storage device release heat is controlled to enter Row auxiliary heating；
    If the temperature of the energy-accumulating medium is less than or equal to the indoor environment temperature, the energy storage device is controlled to stop heat exchange Work.
CN201710497276.9A 2017-06-26 2017-06-26 Air-conditioning system and its control method Pending CN107339785A (en)

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Application publication date: 20171110