CN104879843B - Air conditioner controlling device, multi-split air conditioner and air-conditioner control method - Google Patents

Air conditioner controlling device, multi-split air conditioner and air-conditioner control method Download PDF

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Publication number
CN104879843B
CN104879843B CN201510324241.6A CN201510324241A CN104879843B CN 104879843 B CN104879843 B CN 104879843B CN 201510324241 A CN201510324241 A CN 201510324241A CN 104879843 B CN104879843 B CN 104879843B
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China
Prior art keywords
heat
energy storage
storage equipment
air conditioner
cold
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CN104879843A (en
Inventor
郭剑
樋口逸生
董世龙
赵增毅
陈雍容
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Priority to CN201510324241.6A priority Critical patent/CN104879843B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/50Load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/54Heating and cooling, simultaneously or alternatively

Abstract

The present invention provides a kind of air conditioner controlling device, a kind of multi-split air conditioner and a kind of air-conditioner control method, and air conditioner controlling device includes:Indoor set heat exchanger, exchanges heat for the refrigerant to the compressor of outdoor unit from multi-split air conditioner;Energy storage equipment, when the refrigerant after being exchanged heat through indoor set heat exchanger flows through energy storage equipment, energy storage equipment is exchanged heat again to refrigerant, to put aside cold or heat;Blower fan, when being less than predetermined threshold for the cold or heat in energy storage equipment, drive air-flow carries out heat exchange with the refrigerant in indoor set heat exchanger, when the cold or heat in energy storage equipment are more than or equal to predetermined threshold, drives air-flow to carry out heat exchange with energy storage equipment.By such scheme, it is to avoid ability is superfluous and compressor of outdoor unit produces liquid hammer because working long hours under Smaller load state for multi-split air conditioner, improves the security of multi-split air conditioner.

Description

Air conditioner controlling device, multi-split air conditioner and air-conditioner control method
Technical field
The present invention relates to air-conditioning technical field, many air-conditionings are dragged in particular to a kind of air conditioner controlling device, a kind of one Device and a kind of air-conditioner control method.
Background technology
At present, in air conditioning multi-couple machine system, many full frequency conversions are replaced with a powerful frequency conversion compressor of outdoor unit Compressor of outdoor unit is combined or many are determined frequency conversion outdoor unit compressor combination, and the development for having become following multi-connected machine field becomes Gesture.
But, often there is the problem for being difficult to control to Smaller load refrigeration in high-power frequency conversion compressor of outdoor unit.These problems Typically all caused due to the low-limit frequency and power limited of compressor of outdoor unit, because the size of condenser be it is certain, this The lowest capability output for resulting in the system in the case where some Smaller loads freeze or heat will be more much larger than user's request.Pin To such case, generally require to be unloaded unnecessary energy, the danger of liquid hammer etc. occur to prevent compressor of outdoor unit.
However, existing discharging method is typically all to install a hot-air bypath branch road in the high-pressure side of system, by high pressure The refrigerant of side is switched near compressor of outdoor unit gas returning port to carry out the unloading of excess energy.This method is to reduce energy Effect can not fundamentally solve multi-split air conditioner Smaller load as cost, the energy output of system still above that can need The problem of energy surplus during operation,
Therefore, energy surplus when how to solve the problems, such as that multi-split air conditioner Smaller load runs, reduce energy consumption, as current Problem demanding prompt solution.
The content of the invention
The present invention is based on above mentioned problem, it is proposed that a kind of new technical scheme, solves air-conditioning system Smaller load system The superfluous problem of energy output that is cold or heating, reduces the waste of energy consumption.
Therefore, it is an object of the present invention to proposing a kind of air conditioner controlling device.
It is another object of the present invention to, it is proposed that a kind of multi-split air conditioner, with above-mentioned air conditioner controlling device.
Another object of the present invention is, it is proposed that a kind of air-conditioner control method, controls to fill for above-mentioned air-conditioner Put.
In view of this, the embodiment of first aspect present invention proposes a kind of air conditioner controlling device, including:Indoor set is changed Hot device, exchanges heat for the refrigerant to the compressor of outdoor unit from multi-split air conditioner;Energy storage equipment, is connected to the room Interior machine heat exchanger, when the refrigerant after being exchanged heat through the indoor set heat exchanger flows through the energy storage equipment, the accumulation of energy dress Put and the refrigerant is exchanged heat again, to put aside cold or heat;Blower fan, is arranged on the indoor set heat exchanger and the storage The side of energy device, when being less than predetermined threshold for the cold or the heat in the energy storage equipment, drives air-flow Heat exchange, and the cold in the energy storage equipment or institute are carried out with the refrigerant in the indoor set heat exchanger When stating heat more than or equal to the predetermined threshold, air-flow is driven to carry out heat exchange with the energy storage equipment, with for use by institute State energy storage equipment and replace the compressor of outdoor unit for the multi-split air conditioner is freezed or heated.
Air conditioner controlling device according to embodiments of the present invention, is made up of indoor set heat exchanger, energy storage equipment and blower fan, its In, indoor set heat exchanger exchanges heat to the refrigerant from compressor of outdoor unit, for refrigeration space provides cold or heat, accumulation of energy Device is used for exchanging heat the refrigerant from indoor set heat exchanger again, so as to cold or heat are stored in energy storage equipment. When multi-split air conditioner Smaller load runs, there is machine in part to be not turned in system, may result in refrigerant machine heat exchanger indoors Middle heat exchange is incomplete, and also part cold or heat are not utilized, by energy storage equipment by the refrigerant from indoor set heat exchanger Exchange heat again, unnecessary cold or heat storage can be got up, freezed or made with the cold or heat that will pass through storage Heat, saving energy consumption.The side of machine heat exchanger and energy storage equipment sets blower fan indoors, and the quantity of blower fan can be one or many It is individual, when cold or heat in energy storage equipment reach reservation threshold, the air-flow and energy storage equipment in air are driven by blower fan In refrigerant carry out heat exchange, such energy storage equipment can just replace compressor of outdoor unit to be freezed for multi-split air conditioner Or heat.By above technical scheme, when multi-split air conditioner carries out Smaller load refrigeration or heats, energy storage equipment will can steam Send out cold incomplete or heat is stored, and it is cold under the driving of blower fan to discharge this when cold or heat reach certain value Amount or heat, to replace compressor of outdoor unit to freeze or heat as multi-split air conditioner, have both saved energy consumption, solve one and drag many Air-conditioner superfluous problem of ability under Smaller load state, moreover it is possible to be prevented effectively from compressor of outdoor unit and produced because working long hours The problem of liquid hammer, improves the security of multi-split air conditioner, improves Consumer's Experience.Wherein, multi-split air conditioner is preferably One drags many multi-split air conditioners.
According to one embodiment of present invention, also include:Controller, is connected to the energy storage equipment, the blower fan and institute Compressor of outdoor unit is stated, whether the cold or the heat for judging in the energy storage equipment reach the predetermined threshold Value, for adjusting the working condition of the energy storage equipment according to judged result, wherein, the working condition of the energy storage equipment includes Cold-storage state, heat storage state, refrigerating state, heat state and holding state.
Air conditioner controlling device according to embodiments of the present invention, when the cold or heat of energy storage equipment storage reach predetermined threshold During value, controller will discharge the cold in energy storage equipment or heat, and it is that the cold or heat are exchanged heat to drive blower fan. Under cold-storage state, energy storage equipment is used to store cold, and under heat storage state, energy storage equipment is used to store heat, in refrigeration shape Under state, energy storage equipment is used for released cold quantity, and under the state that heats, energy storage equipment is used to discharge heat, at multi-split air conditioner When non-Smaller load running status, energy storage equipment is in holding state, and refrigerant is not passed through energy storage equipment or is flowing through energy storage equipment When energy storage equipment do not work.By above technical scheme, blower fan can be driven by controller, and control energy storage equipment Working condition such that it is able to more effectively control energy storage equipment.
According to one embodiment of present invention, the indoor set heat exchanger and the energy storage equipment serial or parallel connection.
Air conditioner controlling device according to embodiments of the present invention, energy storage equipment can be connected on compressor and be exchanged heat with indoor set In the link circuit of device, so, when compressor does not work, energy storage equipment can directly for indoor set heat exchanger provides cold or heat Amount.In addition, energy storage equipment can also be in parallel with indoor set heat exchanger, so, when compressor is stopped, energy storage equipment and room Interior machine heat exchanger forms loop, for indoor set heat exchanger provides cold or heat.
According to one embodiment of present invention, also include:Multiple magnetic valves, are distributed in the energy storage equipment, the interior On pipeline between machine heat exchanger and the compressor of outdoor unit, the controller is connected to, so that the controller is by control The break-make of the magnetic valve is made to control the working condition of the energy storage equipment.
Air conditioner controlling device according to embodiments of the present invention, controller has been also connected with multiple magnetic valves, is located at accumulation of energy dress Put on the pipeline and compressor of outdoor unit between, the working condition of energy storage equipment can be controlled by controlling the break-make of magnetic valve, To save energy consumption and to avoid liquid hammer.
According to one embodiment of present invention, also include:Throttle part, is connected to the indoor set heat exchanger, for right The refrigerant carries out throttling treatment.
Air conditioner controlling device according to embodiments of the present invention, also with throttle part, the throttle part is changed with indoor set Hot device is connected, and for controlling the flow of refrigerant, throttling treatment is carried out to refrigerant.By above technical scheme, refrigerant is saved Stream process, it is to avoid cause the energy storage equipment can not all to store cold unnecessary in refrigerant or heat because refrigerant flowing is too fast The problem got off, saves energy consumption.
The second aspect of the present invention embodiment proposes a kind of multi-split air conditioner, including:Outdoor unit;And it is multiple indoor Machine, is connected to the outdoor unit, and each indoor set in the multiple indoor set has such as any one of above-mentioned technical scheme institute The air conditioner controlling device stated.Therefore, the multi-split air conditioner has and the air-conditioner any one of above-mentioned technical proposal Control device identical technique effect, will not be repeated here.
The third aspect of the present invention embodiment proposes a kind of air-conditioner control method, for any in above-mentioned technical proposal Air conditioner controlling device described in, including:It is determined that in the energy storage equipment being connected with the indoor set heat exchanger of multi-split air conditioner Cold or heat whether reach predetermined threshold;When it is determined that the cold or the heat reach the predetermined threshold, pass through The blower fan driving air-flow of the multi-split air conditioner carries out heat exchange with the energy storage equipment, with for use by the energy storage equipment The compressor of outdoor unit is replaced to be freezed or heated for the multi-split air conditioner.
Air-conditioner control method according to embodiments of the present invention, under refrigeration or heating mode, it can be determined that energy storage equipment In cold or heat whether reach predetermined threshold, if reaching predetermined threshold, illustrate energy storage equipment storage cold or heat foot To carry out Smaller load refrigeration or heat, the air-flow in air is driven to carry out heat friendship with the refrigerant in energy storage equipment by blower fan Change, such energy storage equipment can just replace compressor of outdoor unit for multi-split air conditioner is freezed or is heated.By above skill Art scheme, when multi-split air conditioner carries out Smaller load operation, energy storage equipment can exchange incomplete cold or heat enters Row storage, and the cold or heat are discharged under the driving of blower fan when cold or heat reach reservation threshold, it is outdoor to replace Machine compressor is that multi-split air conditioner freezes or heats, and has both saved energy consumption, solves multi-split air conditioner in Smaller load state The superfluous problem of lower ability, moreover it is possible to be prevented effectively from the problem that compressor of outdoor unit produces liquid hammer because working long hours, improve The security of multi-split air conditioner, improves Consumer's Experience.Wherein, multi-split air conditioner is preferably one and drags many one to drag many air-conditionings Device.
According to one embodiment of present invention, the indoor set heat exchanger and the energy storage equipment serial or parallel connection.
Air conditioner controlling device according to embodiments of the present invention, energy storage equipment can be connected on compressor and be exchanged heat with indoor set In the link circuit of device, so, when compressor does not work, energy storage equipment can directly for indoor set heat exchanger provides cold or heat Amount.In addition, energy storage equipment can also be in parallel with indoor set heat exchanger, so, when compressor is stopped, energy storage equipment and room Interior machine heat exchanger forms loop, for indoor set heat exchanger provides cold or heat.
According to one embodiment of present invention, it is described when the determination cold or the heat reach the predetermined threshold When, heat exchange is carried out with the energy storage equipment by the blower fan driving air-flow of the multi-split air conditioner, specifically include:When true When the fixed cold or the heat reach the predetermined threshold, by between the energy storage equipment and the compressor of outdoor unit Magnetic valve is set to off closed state, disconnects the energy storage equipment and the compressor of outdoor unit, makes the energy storage equipment and described Indoor set heat exchanger serial or parallel connection forms performance loop, to replace the compressor of outdoor unit to be institute by the energy storage equipment Multi-split air conditioner is stated to be freezed or heated.
Air-conditioner control method according to embodiments of the present invention, when the cold or heat in energy storage equipment reach reservation threshold When, the closed electromagnetic valve between energy storage equipment and compressor of outdoor unit makes energy storage equipment be disconnected with compressor of outdoor unit, and exchange Device serial or parallel connection forms refrigeration or heats loop, and so, energy storage equipment can be when cold or heat reach certain value, in wind The cold or heat for having stored are discharged under the driving of machine, compressor of outdoor unit is instead of for multi-split air conditioner freezes or heats. By above technical scheme, solve the problems, such as that multi-split air conditioner ability under Smaller load state is superfluous, be prevented effectively from outdoor Machine compressor produces the problem of liquid hammer because working long hours, and improves the security of multi-split air conditioner, improves user's body Test.
According to one embodiment of present invention, also include:It is that the energy storage equipment is set according to the setting command for receiving The predetermined threshold, wherein, the predetermined threshold include predetermined cold threshold value corresponding with the cold and with the heat pair The predetermined amount of heat threshold value answered.
Air-conditioner control method according to embodiments of the present invention, can be actually needed setting reservation threshold according to user, Wherein reservation threshold can be predetermined cold threshold value or predetermined amount of heat threshold value.Such as, setting command here, can be to refrigeration The setting command of design temperature, different refrigeration design temperature can be different pre- to that should have under different ambient temperature conditions Determine threshold value.By above technical scheme, user can be configured according to the actual conditions of oneself to reservation threshold, improve use Experience at family.
By above technical scheme, when multi-split air conditioner carries out Smaller load refrigeration or heats, energy storage equipment can be by Evaporate incomplete cold or heat is stored, and release should under the driving of blower fan when cold or heat reach certain value Cold or heat, to replace compressor of outdoor unit to freeze or heat as multi-split air conditioner, have both saved energy consumption, solve one and drag Multi-air-conditioner superfluous problem of ability under Smaller load state, moreover it is possible to be prevented effectively from compressor of outdoor unit and produced because working long hours The problem of raw liquid hammer, improves the security of multi-split air conditioner, improves Consumer's Experience.
Brief description of the drawings
Fig. 1 shows the block diagram of air conditioner controlling device according to an embodiment of the invention;
Fig. 2 shows the block diagram of multi-split air conditioner according to an embodiment of the invention;
Fig. 3 shows the flow chart of air-conditioner control method according to an embodiment of the invention;
Fig. 4 shows the structural representation of multi-split air conditioner according to an embodiment of the invention;
Fig. 5 shows the structural representation of multi-split air conditioner according to another embodiment of the invention.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.
Fig. 1 shows the block diagram of air conditioner controlling device according to an embodiment of the invention.
As shown in figure 1, air conditioner controlling device according to an embodiment of the invention 100, including:Indoor set heat exchanger 102, exchanged heat for the refrigerant to the compressor of outdoor unit from multi-split air conditioner;Energy storage equipment 104, is connected to interior Machine heat exchanger 102, when the refrigerant after being exchanged heat through indoor set heat exchanger 102 flows through energy storage equipment 104, energy storage equipment 104 is to cold Matchmaker is exchanged heat again, to put aside cold or heat;Blower fan 106, is disposed in the interior machine heat exchanger 102 and energy storage equipment 104 Side, when being less than predetermined threshold for the cold or heat in energy storage equipment 104, drives air-flow and indoor set heat exchanger 102 In refrigerant carry out heat exchange, and cold or heat in energy storage equipment 104 is when being more than or equal to predetermined threshold, drives Stream of taking offence carries out heat exchange with energy storage equipment 104, to drag more empty as one for use by the substitution compressor of outdoor unit of energy storage equipment 104 Device is adjusted to be freezed or heated.
Air conditioner controlling device 100 according to embodiments of the present invention, by indoor set heat exchanger 102, energy storage equipment 104 and wind Machine 106 is constituted, wherein, 102 pairs of refrigerants from compressor of outdoor unit of indoor set heat exchanger exchange heat, for refrigeration space is provided Cold or heat, energy storage equipment 104 are used for exchanging heat the refrigerant from indoor set heat exchanger 102 again, so as to by cold or heat Amount storage is in energy storage equipment 104.When multi-split air conditioner Smaller load runs, there is machine in part to be not turned in system, just Refrigerant can be caused, and heat exchange is incomplete in machine heat exchanger 102 indoors, and also part cold or heat are not utilized, and are filled by accumulation of energy Put 104 the refrigerant from indoor set heat exchanger 102 exchanges heat again, unnecessary cold or heat storage can be got up, so as to Freezed or heated, saving energy consumption by the cold or heat that store.Machine heat exchanger 102 and energy storage equipment 104 indoors Side sets blower fan 106, and the quantity of blower fan 106 can be one or more, when the cold or heat in energy storage equipment 104 reach During reservation threshold, the air-flow in air is driven to carry out heat exchange with the refrigerant in energy storage equipment 104 by blower fan 106, so Energy storage equipment 104 can just replace compressor of outdoor unit for multi-split air conditioner is freezed or is heated.By above technical side Case, when multi-split air conditioner carries out Smaller load refrigeration or heats, energy storage equipment 104 can will evaporate incomplete cold or heat Amount is stored, and discharges the cold or heat under the driving of blower fan 106 when cold or heat reach certain value, to replace Compressor of outdoor unit is that multi-split air conditioner freezes or heats, and has both saved energy consumption, solves multi-split air conditioner in Smaller load The superfluous problem of ability under state, moreover it is possible to be prevented effectively from the problem that compressor of outdoor unit produces liquid hammer because working long hours, carry The security of multi-split air conditioner high, improves Consumer's Experience.Wherein, multi-split air conditioner is preferably one and drags many one to drag more empty Adjust device.
According to one embodiment of present invention, also include:Controller, is connected to energy storage equipment 104, blower fan 106 and outdoor Whether machine compressor, cold or heat for judging in energy storage equipment 104 reach predetermined threshold, for being adjusted according to judged result The working condition of whole energy storage equipment 104, wherein, the working condition of energy storage equipment 104 includes cold-storage state, heat storage state, refrigeration State, heat state and holding state.
Air conditioner controlling device 100 according to embodiments of the present invention, when the cold or heat of the storage of energy storage equipment 104 reach During predetermined threshold, controller will discharge the cold in energy storage equipment 104 or heat, and drive blower fan 106 for the cold or Heat is exchanged heat.Under cold-storage state, energy storage equipment 104 is used to store cold, and under heat storage state, energy storage equipment 104 is used In storage heat, under refrigerating state, energy storage equipment 104 is used for released cold quantity, and under the state that heats, energy storage equipment 104 is used for Release heat, when multi-split air conditioner is in non-Smaller load running status, energy storage equipment 104 is in holding state, and refrigerant is not Flow through energy storage equipment 104 or energy storage equipment 104 does not work when energy storage equipment 104 is flowed through.By above technical scheme, Ke Yitong Crossing controller can drive blower fan 106, and control the working condition of energy storage equipment 104 such that it is able to more effectively control accumulation of energy Device 104.
According to one embodiment of present invention, indoor set heat exchanger 102 and the serial or parallel connection of energy storage equipment 104.
Air conditioner controlling device 100 according to embodiments of the present invention, energy storage equipment 104 can be connected on compressor with interior In the link circuit of machine heat exchanger 102, so, when compressor does not work, energy storage equipment 104 can be directly indoor set heat exchanger 102 provide cold or heat.In addition, energy storage equipment 104 can also be in parallel with indoor set heat exchanger 102, so, when compressor stops When only working, energy storage equipment 104 forms loop with indoor set heat exchanger 102, is that indoor set heat exchanger 102 provides cold or heat Amount.
According to one embodiment of present invention, also include:Multiple magnetic valves, are distributed in the heat exchange of energy storage equipment 104, indoor set On pipeline between device 102 and compressor of outdoor unit, be connected to controller, for controller by control the break-make of magnetic valve come Control the working condition of energy storage equipment 104.
Air conditioner controlling device 100 according to embodiments of the present invention, controller has been also connected with multiple magnetic valves, has been located at accumulation of energy On pipeline between device 104 and compressor of outdoor unit, the work of energy storage equipment 104 can be controlled by controlling the break-make of magnetic valve Make state, to save energy consumption and to avoid liquid hammer.
According to one embodiment of present invention, also include:Throttle part, is connected to indoor set heat exchanger 102, for cold Matchmaker carries out throttling treatment.
Air conditioner controlling device 100 according to embodiments of the present invention, also with throttle part, the throttle part and indoor set Heat exchanger 102 is connected, and for controlling the flow of refrigerant, throttling treatment is carried out to refrigerant.By above technical scheme, refrigerant is entered Row throttling is processed, it is to avoid cause the energy storage equipment 104 can not be by cold or heat unnecessary in refrigerant because refrigerant flowing is too fast The problem for all storing, saves energy consumption.
Fig. 2 shows the block diagram of multi-split air conditioner according to an embodiment of the invention.
As shown in Fig. 2 the multi-split air conditioner 200 of one embodiment of the present of invention, including:Outdoor unit 202;And it is multiple Indoor set 204, is connected to outdoor unit 202, and each indoor set in multiple indoor sets 204 is including in the embodiment shown in Fig. 1 Air conditioner controlling device 100.Therefore, multi-split air conditioner 200 has and the air-conditioner any one of above-mentioned technical proposal The identical technique effect of control device 100, will not be repeated here.
Fig. 3 shows the flow chart of air-conditioner control method according to an embodiment of the invention.
As shown in figure 3, air-conditioner control method according to an embodiment of the invention, for appointing in above-mentioned technical proposal Air conditioner controlling device 100 described in one, including:
Step 302, it is determined that cold or heat in the energy storage equipment being connected with the indoor set heat exchanger of multi-split air conditioner Whether predetermined threshold is reached.
Step 304, when it is determined that cold or heat reach predetermined threshold, air-flow is driven by the blower fan of multi-split air conditioner Heat exchange is carried out with energy storage equipment, to replace compressor of outdoor unit as multi-split air conditioner is freezed for use by energy storage equipment Or heat.
Air-conditioner control method according to embodiments of the present invention, under refrigeration or heating mode, it can be determined that energy storage equipment In cold or heat whether reach predetermined threshold, if reaching predetermined threshold, illustrate energy storage equipment storage cold or heat foot To carry out Smaller load refrigeration or heat, the air-flow in air is driven to carry out heat friendship with the refrigerant in energy storage equipment by blower fan Change, such energy storage equipment can just replace compressor of outdoor unit for multi-split air conditioner is freezed or is heated.By above skill Art scheme, when multi-split air conditioner carries out Smaller load operation, energy storage equipment can exchange incomplete cold or heat enters Row storage, and the cold or heat are discharged under the driving of blower fan when cold or heat reach reservation threshold, it is outdoor to replace Machine compressor is that multi-split air conditioner freezes or heats, and has both saved energy consumption, solves multi-split air conditioner in Smaller load state The superfluous problem of lower ability, moreover it is possible to be prevented effectively from the problem that compressor of outdoor unit produces liquid hammer because working long hours, improve The security of multi-split air conditioner, improves Consumer's Experience.Wherein, multi-split air conditioner is preferably one and drags many one to drag many air-conditionings Device.
According to one embodiment of present invention, the indoor set heat exchanger and the energy storage equipment serial or parallel connection.
Air conditioner controlling device according to embodiments of the present invention, energy storage equipment can be connected on compressor and be exchanged heat with indoor set In the link circuit of device, so, when compressor does not work, energy storage equipment can directly for indoor set heat exchanger provides cold or heat Amount.In addition, energy storage equipment can also be in parallel with indoor set heat exchanger, so, when compressor is stopped, energy storage equipment with Indoor set heat exchanger forms loop, for indoor set heat exchanger provides cold or heat.
According to one embodiment of present invention, step 304 is specifically included:When it is determined that cold or heat reach predetermined threshold When, the magnetic valve between energy storage equipment and compressor of outdoor unit is set to off closed state, disconnect energy storage equipment and outdoor unit pressure Contracting machine, makes energy storage equipment and indoor set heat exchanger serial or parallel connection form performance loop, and outdoor unit is replaced with by energy storage equipment Compressor is for multi-split air conditioner is freezed or is heated.
Air-conditioner control method according to embodiments of the present invention, when the cold or heat in energy storage equipment reach reservation threshold When, the closed electromagnetic valve between energy storage equipment and compressor of outdoor unit makes energy storage equipment be disconnected with compressor of outdoor unit, and exchange Device serial or parallel connection forms refrigeration or heats loop, and so, energy storage equipment can be when cold or heat reach certain value, in wind The cold or heat for having stored are discharged under the driving of machine, compressor of outdoor unit is instead of for multi-split air conditioner freezes or heats. By above technical scheme, solve the problems, such as that multi-split air conditioner ability under Smaller load state is superfluous, be prevented effectively from outdoor Machine compressor produces the problem of liquid hammer because working long hours, and improves the security of multi-split air conditioner, improves user's body Test.
According to one embodiment of present invention, also include:It is that energy storage equipment setting is predetermined according to the setting command for receiving Threshold value, wherein, predetermined threshold includes predetermined cold threshold value corresponding with cold and predetermined amount of heat threshold value corresponding with heat.
Air-conditioner control method according to embodiments of the present invention, can be actually needed setting reservation threshold according to user, Wherein reservation threshold can be predetermined cold threshold value or predetermined amount of heat threshold value.Such as, setting command here, can be to refrigeration The setting command of design temperature, different refrigeration design temperature can be different pre- to that should have under different ambient temperature conditions Determine threshold value.By above technical scheme, user can be configured according to the actual conditions of oneself to reservation threshold, improve use Experience at family.
In addition, in multi-split air conditioner, Smaller load is probably that several indoor sets therein are opened when running, this several rooms The predetermined cold threshold value or predetermined amount of heat threshold value of the energy storage equipment of interior machine can according to circumstances be set to it is identical or different, and store During energy, the energy storage equipment of this several indoor sets reaches respective predetermined cold threshold value or the time of predetermined amount of heat threshold value can not yet Together, then preferred control method can be:Respective predetermined cold threshold value or pre- is all reached in the indoor set of this several unlatchings When determining heat threshold, the compressor of outdoor unit of multi-split air conditioner is just out of service, and works as the accumulation of energy of certain indoor set therein When device is less than its minimum predetermined cold threshold value or predetermined amount of heat threshold value, the compressor of outdoor unit of multi-split air conditioner starts again Start.
Fig. 4 shows the structural representation of multi-split air conditioner according to an embodiment of the invention.
As shown in figure 4, multi-split air conditioner is when non-Smaller load freezes, compressor of outdoor unit normally runs, by magnetic valve A () opens, magnetic valve (b) and magnetic valve (c) are closed, and the HTHP refrigerant flowed out in condenser passes through from A ends into interior machine Condenser is condensed, then after being throttled by throttle part, the subcooled liquid or gas-liquid that will form low-temp low-pressure are mixed Fit refrigerant, evaporation endothermic in machine heat exchanger indoors, room air blown under the driving of blower fan indoor set heat exchanger and Refrigerant carries out heat exchange, realizes space refrigeration, and refrigerant forms a circulation by machine in magnetic valve (a) outflow afterwards.Its In, multi-split air conditioner is preferably one and drags many multi-split air conditioners.
Multi-split air conditioner when Smaller load freezes, only open, for the interior machine opened, magnetic valve by some interior machine A () closes, magnetic valve (b) and (c) are opened.The HTHP refrigerant flowed out in outer machine condenser enters interior machine from A ends, through celebrating a festival After the throttling of stream unit, the subcooled liquid or gas-liquid two-phase state of low-temp low-pressure are formed, evaporated in machine heat exchanger inhale indoors Heat, is refrigeration space refrigeration.Because now load is smaller, refrigerant is incomplete in potential evaporation, it is also possible in gas liquid mixture State.If being returned directly to compressor of outdoor unit, the danger of compressor of outdoor unit liquid hammer is likely to result in.And in this programme, by Closed in magnetic valve (a), magnetic valve (b) and (c) are opened, the refrigerant of gas-liquid mixed can wherein continue to steam by energy storage equipment Hair heat absorption, unnecessary cold is accumulated in energy storage equipment.After energy storage equipment have accumulated certain cold, stop outer machine room The operating of outer machine compressor, blower fan is remained in operation, and room air blows over energy storage equipment in the presence of blower fan, by energy storage equipment Air is cooled down, space refrigeration is realized.
In order to ensure that air and energy storage equipment carry out sufficient heat exchange, the surface of energy storage equipment can use many fins Formula structure or other structures, to strengthen convection transfer rate or heat exchange area.
Above is elaborating the solution of the present invention by taking Smaller load refrigeration as an example.When Smaller load is heated, each part Control method is similar with refrigeration, differs only in and flows into interior machine from B ends in stage regenerator refrigerant, first passes through after regenerative apparatus again By condenser, outer machine then is returned to from machine in the outflow of A ends, and refrigerant is changed to condense heat release by evaporation endothermic.
Fig. 5 shows the structural representation of multi-split air conditioner according to another embodiment of the invention.
As shown in figure 5, in cooling mode, when the non-Smaller load of multi-split air conditioner runs, magnetic valve (d) is opened, electricity Magnet valve (e) is closed, and energy storage equipment does not work.Refrigerant flows through indoor set heat exchanger after being throttled by electric expansion valve, and at it Middle evaporation, blower fan drives room air to be cooled down by indoor set heat exchanger, reaches the purpose of refrigeration.When multi-split air conditioner Smaller load During operation, for the interior machine opened, magnetic valve (e) is opened, and magnetic valve (d) can be opened, it is also possible to be closed.Refrigerant is by electronics Cold-storage device is flowed through after expansion valve throttling, that is, (d) is when being not turned on, or simultaneously flow through cold-storage device and indoor set heat exchange Device, that is, during (d) unlatching, blower fan drives room air and energy storage equipment or indoor set heat exchanger to be exchanged heat, and reaches system Cold purpose, while energy storage equipment is also in accumulation cold.It is outdoor after the cold of energy storage equipment accumulation reaches certain threshold values Machine compressor is out of service, and blower fan continues to drive room air and energy storage equipment to be exchanged heat, by the cold accumulated in advance to room Interior air cooling.
Above is elaborating the solution of the present invention by taking Smaller load refrigeration as an example.When Smaller load is heated, each part Control method is similar with refrigeration, differs only in and flows into interior machine from B ends in stage regenerator refrigerant, first passes through after regenerative apparatus again By condenser, outer machine then is returned to from machine in the outflow of A ends, and refrigerant is changed to condense heat release by evaporation endothermic.
Technical scheme is described in detail above in association with accompanying drawing, by above technical scheme, many air-conditionings is dragged one When device carries out Smaller load refrigeration or heats, energy storage equipment can will evaporate incomplete cold or heat is stored, and cold Amount or heat discharge the cold or heat when reaching certain value under the driving of blower fan, to drag many as one instead of compressor of outdoor unit Air-conditioner freezes or heats, and has both saved energy consumption, solves the problems, such as that multi-split air conditioner ability under Smaller load state is superfluous, The problem that compressor of outdoor unit produces liquid hammer because working long hours can also be prevented effectively from, the safety of multi-split air conditioner is improve Property, improve Consumer's Experience.
In the present invention, term " first ", " second ", " the 3rd " are only used for the purpose for describing, and it is not intended that indicating Or imply relative importance;Term " multiple " represents that two or more term " connected ", " connections " etc. all should do broad sense reason Solution, for example, it may be being fixedly connected, or being detachably connected, or is integrally connected;Can be joined directly together, it is also possible to It is indirectly connected to by intermediary.For the ordinary skill in the art, above-mentioned art can as the case may be understood Language concrete meaning in the present invention.
In the description of this specification, the description of term " one embodiment ", " another embodiment " etc. means to combine is somebody's turn to do Embodiment or the specific features of example description, structure, material or feature are contained at least one embodiment of the invention or example In.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, retouch Specific features, structure, material or the feature stated can be in one or more any embodiments or example in an appropriate manner With reference to.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. a kind of air conditioner controlling device, for the indoor set of multi-split air conditioner, it is characterised in that including:
Indoor set heat exchanger, exchanges heat for the refrigerant to the compressor of outdoor unit from the multi-split air conditioner;
Energy storage equipment, is connected to the indoor set heat exchanger, and the refrigerant after being exchanged heat through the indoor set heat exchanger is flowed through During the energy storage equipment, the energy storage equipment is exchanged heat again to the refrigerant, to put aside cold or heat;
Blower fan, is arranged on the side of the indoor set heat exchanger and the energy storage equipment, for the institute in the energy storage equipment When stating cold or the heat less than predetermined threshold, air-flow is driven to carry out heat with the refrigerant in the indoor set heat exchanger Exchange, and the cold or the heat in the energy storage equipment are when being more than or equal to the predetermined threshold, driving gas Stream carries out heat exchange with the energy storage equipment, to replace the compressor of outdoor unit to be described one for use by the energy storage equipment One driving multiple-unit air conditioner is freezed or is heated.
2. air conditioner controlling device according to claim 1, it is characterised in that also include:
Controller, is connected to the energy storage equipment, the blower fan and the compressor of outdoor unit, for judging the energy storage equipment In the cold or the heat whether reach the predetermined threshold, for adjusting the energy storage equipment according to judged result Working condition, wherein, the working condition of the energy storage equipment includes cold-storage state, heat storage state, refrigerating state, heats shape State and holding state.
3. air conditioner controlling device according to claim 2, it is characterised in that the indoor set heat exchanger and the accumulation of energy Device serial or parallel connection.
4. the air conditioner controlling device according to Claims 2 or 3, it is characterised in that also include:
Multiple magnetic valves, are distributed in the pipe between the energy storage equipment, the indoor set heat exchanger and the compressor of outdoor unit On road, the controller is connected to, so that the controller controls the accumulation of energy to fill by controlling the break-make of the magnetic valve The working condition put.
5. air conditioner controlling device according to claim 4, it is characterised in that also include:
Throttle part, is connected to the indoor set heat exchanger, for carrying out throttling treatment to the refrigerant.
6. a kind of multi-split air conditioner, it is characterised in that including:
Outdoor unit;And
Multiple indoor sets, are connected to the outdoor unit, each indoor set in the multiple indoor set have as claim 1 to Air conditioner controlling device any one of 5.
7. a kind of air-conditioner control method, for the air conditioner controlling device as any one of claim 1 to 5, it is special Levy and be, including:
It is determined that the cold or heat in the energy storage equipment being connected with the indoor set heat exchanger of multi-split air conditioner whether reach it is predetermined Threshold value;
When it is determined that the cold or the heat reach the predetermined threshold, driven by the blower fan of the multi-split air conditioner Air-flow carries out heat exchange with the energy storage equipment, to replace the compressor of outdoor unit to be described for use by the energy storage equipment Multi-split air conditioner is freezed or is heated.
8. air-conditioner control method according to claim 7, it is characterised in that the indoor set heat exchanger and the accumulation of energy Device serial or parallel connection.
9. air-conditioner control method according to claim 8, it is characterised in that described when determining the cold or the heat When amount reaches the predetermined threshold, heat is carried out with the energy storage equipment by the blower fan driving air-flow of the multi-split air conditioner Exchange, specifically include:
When it is determined that the cold or the heat reach the predetermined threshold, the energy storage equipment is compressed with the outdoor unit Magnetic valve between machine is set to off closed state, disconnects the energy storage equipment and the compressor of outdoor unit, fills the accumulation of energy Put and form performance loop with the indoor set heat exchanger serial or parallel connection, the outdoor unit pressure is replaced with by the energy storage equipment Contracting machine is freezed or is heated for the multi-split air conditioner.
10. the air-conditioner control method according to any one of claim 7 to 9, it is characterised in that also include:
It is that the energy storage equipment sets the predetermined threshold according to the setting command for receiving, wherein, the predetermined threshold includes Predetermined cold threshold value corresponding with the cold and predetermined amount of heat threshold value corresponding with the heat.
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Inventor after: Dong Shilong

Inventor after: Yoshio Higuchi

Inventor after: Zhao Zengyi

Inventor after: Chen Yongrong

Inventor after: Guo Jian

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