CN104807258B - Air conditioning system and heat accumulation and defrosting device and method thereof - Google Patents
Air conditioning system and heat accumulation and defrosting device and method thereof Download PDFInfo
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- CN104807258B CN104807258B CN201510270766.6A CN201510270766A CN104807258B CN 104807258 B CN104807258 B CN 104807258B CN 201510270766 A CN201510270766 A CN 201510270766A CN 104807258 B CN104807258 B CN 104807258B
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- electromagnetic valve
- conditioning system
- air conditioning
- heat
- defrosting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/24—Storage receiver heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/11—Sensor to detect if defrost is necessary
- F25B2700/111—Sensor to detect if defrost is necessary using an emitter and receiver, e.g. sensing by emitting light or other radiation and receiving reflection by a sensor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a heat accumulation and defrosting device of an air conditioning system. The heat accumulation and defrosting device comprises a heat exchanger, a heat accumulator, a first solenoid valve, a second solenoid valve, a third solenoid valve, a fourth solenoid valve, a controller, wherein one end of the heat accumulator is connected with one end of the outdoor heat exchanger by a valve assembly; the other end of the heat accumulator is connected with a first throttling part; the controller is used for controlling the third solenoid valve and the fourth solenoid valve to be opened, and controlling the first solenoid valve and the second solenoid valve to be closed to carry out heat accumulation by the heat accumulator when the air conditioning system is at a refrigeration and heat accumulation pattern, and controlling the first solenoid valve, the second solenoid valve, the third solenoid valve and the fourth solenoid valve to be opened when the air conditioning system is at a first defrosting pattern to carry out defrosting on the outdoor heat exchanger. The heat accumulation and defrosting device can be used for effectively utilizing a sufficient heat source to carry out the defrosting on the outdoor heat exchanger and has better defrosting effect. The invention further discloses the air conditioning system and a heat accumulation and defrosting method of the air conditioning system.
Description
Technical field
The present invention relates to air-conditioner technical field, the thermal storage defrosting device of more particularly to a kind of air conditioning system, a kind of air-conditioning
A kind of thermal storage defrosting method of system and air conditioning system.
Background technology
In air conditioning system heating operations, when outdoor heat exchanger surface temperature is less than 0 DEG C, and less than the dew point temperature of air
When, the vapor on outdoor heat exchanger surface can condense frosting, affect the heat transfer effect of outdoor heat exchanger, with increasing for frost layer,
The heating effect of indoor heat exchanger declines, and leaving air temp is reduced, and affects user's comfortableness.Accordingly, it would be desirable to remove outdoor heat exchanger
On frost layer, it is ensured that heating effect.
Conventional Defrost method is flowed to by four-way Vavle switching coolant, is absorbed Indoor Thermal amount and is removed for outdoor heat exchanger
Frost, but during defrosting, indoor temperature declines, and affects user's comfortableness.Furthermore it is possible to using hot gas bypass defrosting method,
Defrosted using compressor air-discharging heat, but now indoor heating amount is reduced, defrost time lengthening, affects user comfortable
Property.In correlation technique, the heat produced when absorbing compressor operating using thermophore is defrosted, but during compressor operating
The heat of generation is fewer, and heat source insufficiency, defrosting effect is poor.
Therefore, how to improve defrosting effect is problem demanding prompt solution.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this purpose, the present invention
One purpose is to propose that a kind of thermal source for being capable of effectively utilizes abundance is defrosted to outdoor heat exchanger and defrosting effect compares
The thermal storage defrosting device of good air conditioning system.
Further object is that proposing a kind of air conditioning system.A further object of the present invention is to propose one kind
The thermal storage defrosting method of air conditioning system.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of thermal storage defrosting device of air conditioning system, institute
Air conditioning system is stated including compressor, cross valve, outdoor heat exchanger, indoor heat exchanger, valve member, first throttle part and second
Throttle part, the thermal storage defrosting device includes：Heat exchanger, the heat exchanger be connected to the outdoor heat exchanger with it is described
Between first throttle part；Thermophore, one end of the thermophore passes through the valve member and the one of the outdoor heat exchanger
End is connected, and the other end of the thermophore is connected with the first throttle part, one end of the thermophore and the valve group
There is primary nodal point between part, there is secondary nodal point between the other end of the thermophore and the first throttle part, it is described
Thermophore includes heat pipe and absorbs heat and store the accumulation of heat component of heat, and the evaporation ends of the heat pipe are arranged in the thermophore,
The condensation end of the heat pipe is arranged in the heat exchanger；First electromagnetic valve and the second electromagnetic valve, first electromagnetic valve and
Second electromagnetic valve is arranged between the condensation end of the evaporation ends of the heat pipe and the heat pipe；3rd electromagnetic valve, the described 3rd is electric
Magnet valve is arranged between one end of the thermophore and the primary nodal point；4th electromagnetic valve, the 4th electromagnetic valve is arranged on
Between the other end of the thermophore and the secondary nodal point；Controller, the controller is in the air conditioning system in refrigeration
The 3rd electromagnetic valve is controlled during accumulation of heat pattern and the 4th electromagnetic valve is opened and first electromagnetic valve and the second electromagnetism
Valve is closed so that the thermophore carries out accumulation of heat, and it is electric to control described first when the air conditioning system is in the first defrosting mode
Magnet valve, second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve are opened to carry out the outdoor heat exchanger
Defrosting.
The thermal storage defrosting device of air conditioning system according to embodiments of the present invention, when air conditioning system is in refrigeration accumulation of heat pattern
When, by controller control the 3rd electromagnetic valve and the 4th electromagnetic valve open and the first electromagnetic valve and the second closed electromagnetic valve so that
Thermophore carries out accumulation of heat, and when air conditioning system is in the first defrosting mode, controller controls the first electromagnetic valve, the second electromagnetism
Valve, the 3rd electromagnetic valve and the 4th electromagnetic valve are opened to defrost outdoor heat exchanger such that it is able to the sufficient heat of effectively utilizes
Source is defrosted to outdoor heat exchanger, improves defrosting effect, it is ensured that the comfortable sexual experience of user, and improves energy-saving effect.
According to one embodiment of present invention, the thermal storage defrosting device of above-mentioned air conditioning system, also includes：5th electromagnetic valve
With the 6th electromagnetic valve, the 5th electromagnetic valve is connected with the first waste heat interface of the thermophore, the 6th electromagnetic valve and institute
The the second waste heat interface for stating thermophore is connected, wherein, the controller is by control the 5th electromagnetic valve and the 6th electromagnetic valve
Open so that the thermophore absorbs and store the waste heat of external equipment generation.
According to one embodiment of present invention, the valve member includes the 7th electromagnetic valve and the first check valve in parallel,
The forward end of first check valve is connected with one end of the outdoor heat exchanger, the backward end of first check valve with it is described
Primary nodal point is connected.
According to one embodiment of present invention, the operational mode of the air conditioning system also include refrigeration mode, heating mode,
Accumulation of heat pattern and the second defrosting mode are heated, wherein, when the air conditioning system is in the refrigeration mode, the controller control
Make the cross valve power-off, the 7th electromagnetic valve unlatching, first throttle part unlatching and first electromagnetic valve extremely
6th closed electromagnetic valve；When the air conditioning system is in the refrigeration accumulation of heat pattern, the controller also controls described
Cross valve power-off, the 7th electromagnetic valve are opened, and by control the aperture of the first throttle part with adjust flow through it is described
The coolant quantity of first throttle part；When the air conditioning system is in the heating mode, the controller controls the four-way
Electric on valve, described 7th electromagnetic valve is opened, the first throttle part is opened and first electromagnetic valve is electric to the described 4th
Magnet valve is closed；When the air conditioning system in it is described heat accumulation of heat pattern when, the controller controls electricity, institute on the cross valve
The unlatching of the 7th electromagnetic valve, first throttle part unlatching and first electromagnetic valve are stated to the 4th closed electromagnetic valve,
And control the 5th electromagnetic valve and the 6th electromagnetic valve and open；When the air conditioning system is in first defrosting mode, institute
State controller and also control the cross valve in power-up state, the 7th closed electromagnetic valve, and by controlling the first segment
The aperture of stream unit flows through the coolant quantity of the first throttle part to adjust；When the air conditioning system is in the described second defrosting
During pattern, the controller control the cross valve power-off, the 7th electromagnetic valve open, the first throttle part open with
And first electromagnetic valve is to the 4th closed electromagnetic valve.
In some embodiments of the invention, when defrosting instruction is received, the controller also judges the thermophore
In amount of stored heat whether be more than or equal to design heat amount, wherein, if it is determined that the amount of stored heat in the thermophore is more than or equal to described
Design heat amount, the controller controls the air conditioning system and enters first defrosting mode；If it is determined that in the thermophore
Amount of stored heat be less than the design heat amount, the controller controls the air conditioning system and enters second defrosting mode.
According to one embodiment of present invention, after the air conditioning system enters first defrosting mode, the control
Device also obtains defrosting time, and the defrosting time is more than or equal to Preset Time and detects the outdoor heat exchanger and does not defrost
When clean, the controller controls the air-conditioner and switches to second defrosting mode.
Additionally, embodiments of the invention also proposed a kind of air conditioning system, it includes above-mentioned thermal storage defrosting device.
The air conditioning system is entered by above-mentioned thermal storage defrosting device, the thermal source for being capable of effectively utilizes abundance to outdoor heat exchanger
Row defrosting, improves defrosting effect, it is ensured that the comfortable sexual experience of user, and improves energy-saving effect.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of thermal storage defrosting method of air conditioning system,
The air conditioning system include compressor, cross valve, outdoor heat exchanger, indoor heat exchanger, valve member, first throttle part, the
Two throttle parts, above-mentioned thermal storage defrosting device, the thermal storage defrosting method is comprised the following steps：Receiving defrosting instruction
When, judge the amount of stored heat in the thermophore whether more than or equal to design heat amount；If it is determined that the amount of stored heat in the thermophore
More than or equal to the design heat amount, the controller controls the air conditioning system and enters first defrosting mode；If it is determined that
Amount of stored heat in the thermophore is less than the design heat amount, and the controller controls the air conditioning system and removes into described second
White pattern.
The thermal storage defrosting method of air conditioning system according to embodiments of the present invention, when defrosting instruction is received, first determines whether
Whether the amount of stored heat in thermophore is more than or equal to design heat amount, if it is determined that the amount of stored heat in thermophore is more than or equal to default heat
Amount, controller control air conditioning system enters the first defrosting mode, if it is determined that the amount of stored heat in thermophore is less than design heat amount, control
Device control air conditioning system processed enters the second defrosting mode such that it is able to which the sufficient thermal source of effectively utilizes is removed to outdoor heat exchanger
Frost, improves defrosting effect, it is ensured that the comfortable sexual experience of user, and improves energy-saving effect.In addition, when heat source insufficiency, also
With the second alternative defrosting mode, it is ensured that the reliability of system.
According to one embodiment of present invention, after the air conditioning system enters first defrosting mode, also obtain and remove
The white time, and in the defrosting time more than or equal to Preset Time and when detecting the outdoor heat exchanger and not defrosting clean, control
Make the air-conditioner and switch to second defrosting mode.
In some embodiments of the invention, when the air conditioning system is in first defrosting mode, control is described
First electromagnetic valve, second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve are opened, and control the cross valve
The 7th closed electromagnetic valve in power-up state, the valve member, and by controlling opening for the first throttle part
Spend to adjust the coolant quantity for flowing through the first throttle part；When the air conditioning system is in second defrosting mode, control
Make the cross valve power-off, the 7th electromagnetic valve unlatching, first throttle part unlatching and first electromagnetic valve extremely
4th closed electromagnetic valve.
Description of the drawings
Fig. 1 is the block diagram of the thermal storage defrosting device of air conditioning system according to embodiments of the present invention.
Fig. 2 be air conditioning system according to an embodiment of the invention be in refrigeration mode when coolant flow graph.
Fig. 3 be air conditioning system according to an embodiment of the invention in refrigeration accumulation of heat pattern when coolant flow graph.
Fig. 4 be air conditioning system according to an embodiment of the invention be in heating mode when coolant flow graph.
Fig. 5 is air conditioning system according to an embodiment of the invention in coolant flow graph when heating accumulation of heat pattern.
Fig. 6 is defrosting mode control logic figure according to an embodiment of the invention.
Fig. 7 be air conditioning system according to an embodiment of the invention be in the first defrosting mode when coolant flow graph.
Fig. 8 be air conditioning system according to an embodiment of the invention be in the second defrosting mode when coolant flow graph.
Fig. 9 is the flow chart of the thermal storage defrosting method of air conditioning system according to embodiments of the present invention.
Reference：Outdoor heat exchanger 1, thermophore 2, heat exchanger 3, indoor heat exchanger 4, compressor 5, cross valve 6,
Three electromagnetic valves 7, the 4th electromagnetic valve 8, the 5th electromagnetic valve 9, the 6th electromagnetic valve 10, the first electromagnetic valve 11, the second electromagnetic valve 12, first
Throttle part 13, the second throttle part 14, the 7th electromagnetic valve 15, the first check valve 16, controller 17 and valve member 18.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
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 be not considered as limiting the invention.
With reference to the accompanying drawings come the thermal storage defrosting device of air conditioning system of embodiment of the present invention proposition, air conditioning system are described with
And the thermal storage defrosting method of air conditioning system.
Fig. 1 is the block diagram of the thermal storage defrosting device of air conditioning system according to embodiments of the present invention.As shown in figure 1,
Air conditioning system includes compressor 5, cross valve 6, outdoor heat exchanger 1, indoor heat exchanger 4, valve member 18, first throttle part 13
With the second throttle part 14.
Thermal storage defrosting device includes heat exchanger 3, thermophore 2, the first electromagnetic valve 11, the second electromagnetic valve 12, the 3rd electromagnetism
Valve 7, the 4th electromagnetic valve 8 and controller 17, wherein, heat exchanger 3 be connected to outdoor heat exchanger 1 and first throttle part 13 it
Between, one end of thermophore 2 is connected by valve member 18 with one end of outdoor heat exchanger 1, the other end and first segment of thermophore 2
Stream unit 13 is connected, and has primary nodal point J1, the other end of thermophore 2 and the between one end of thermophore 2 and valve member 18
There is secondary nodal point J2, thermophore 2 includes heat pipe and absorbs heat and store the accumulation of heat component of heat, heat pipe between one throttle part 13
Evaporation ends be arranged in thermophore 2, the condensation end of heat pipe is arranged in heat exchanger 3, the first electromagnetic valve 11 and the second electromagnetism
Valve 12 is arranged between the evaporation ends of heat pipe and the condensation end of heat pipe, and the 3rd electromagnetic valve 7 is arranged on one end and first of thermophore 2
Between node J1, the 4th electromagnetic valve 8 is arranged between the other end of thermophore 2 and secondary nodal point J2, and controller 17 is in air-conditioning system
The 3rd electromagnetic valve 7 is controlled when being in refrigeration accumulation of heat pattern for system and the 4th electromagnetic valve 8 is opened and the first electromagnetic valve 11 and second is electric
Magnet valve 12 is closed so that thermophore 2 carries out accumulation of heat, and control when air conditioning system is in the first defrosting mode the first electromagnetic valve 11,
Second electromagnetic valve 12, the 3rd electromagnetic valve 7 and the 4th electromagnetic valve 8 are opened to defrost outdoor heat exchanger 1.
That is, in the air conditioning system of the embodiment of the present invention, compressor 5, cross valve 6, valve member 18, outdoor heat exchange
Device 1, first throttle part 13 such as electric expansion valve, the second throttle part 14 and indoor heat exchanger 4 is in turn connected to form closure
Loop, coolant is circulated in the closed circuit, realizes the functions such as the cooling and warming of indoor heat exchanger 4.
And the heat exchanger 3 in thermal storage defrosting device is connected between outdoor heat exchanger 1 and first throttle part 13, and
Heat exchanger 3 is connected by the first electromagnetic valve 11 and the second electromagnetic valve 12 with thermophore 2, when coolant flows through heat exchanger 3, is led to
Cross the first electromagnetic valve 11 of control and the second electromagnetic valve 12 realizes the heat exchange function of heat pipe in thermophore 2.In addition, when coolant directly flows
During Jing thermophores 2, there is heat exchange in the accumulation of heat component in thermophore 2, when refrigerant temperature is higher, thermophore 2 absorbs with coolant
Coolant heat is simultaneously stored；When refrigerant temperature is relatively low, thermophore 2 discharges heat in coolant.
According to one embodiment of present invention, the thermal storage defrosting device of above-mentioned air conditioning system, also including the 5th electromagnetic valve 9
With the 6th electromagnetic valve 10, the 5th electromagnetic valve 9 is connected with the first waste heat interface of thermophore 2, the 6th electromagnetic valve 10 and thermophore 2
Second waste heat interface is connected, wherein, controller 17 is opened so that thermophore by the 5th electromagnetic valve 9 of control and the 6th electromagnetic valve 10
2 absorb and store the waste heat that external equipment is produced.
It is understood that thermophore 2 not only can store the condensation heat from air conditioning system, it is also possible to by more than first
The waste heat of hot interface and the second waste heat interface storage solar energy or other forms, when air conditioning system is in the first defrosting mode
When, outdoor heat exchanger 1 is defrosted by the amount of stored heat in thermophore 2, improve the energy-saving effect of air conditioning system.
According to one embodiment of present invention, valve member 18 includes the 7th electromagnetic valve 15 and the first check valve in parallel
16, the forward end of the first check valve 16 is connected with one end of outdoor heat exchanger 1, the backward end and primary nodal point of the first check valve 16
J1 is connected.Wherein, the first check valve 16 is used to prevent coolant adverse current.
According to one embodiment of present invention, the operational mode of air conditioning system also includes refrigeration mode, heating mode, heats
Accumulation of heat pattern and the second defrosting mode, wherein, when air conditioning system is in refrigeration mode, the control power-off of cross valve 6 of controller 17,
7th electromagnetic valve 15 is opened, first throttle part 13 is opened and the electromagnetic valve 10 of the first electromagnetic valve 11 to the 6th is closed；Work as air-conditioning
When system is in refrigeration accumulation of heat pattern, controller 17 also controls the power-off of cross valve 6, the 7th electromagnetic valve 15 and opens, and by control
The aperture of first throttle part 13 flows through the coolant quantity of first throttle part 13 to adjust；When air conditioning system is in heating mode
When, controller 17 controls electricity on cross valve 6, the 7th electromagnetic valve 15 is opened, first throttle part 13 is opened and the first electromagnetic valve
11 to the 4th electromagnetic valves 8 are closed；When air conditioning system in heat accumulation of heat pattern when, controller 17 control cross valve 6 on electricity, the 7th
Electromagnetic valve 15 is opened, first throttle part 13 is opened and the electromagnetic valve 8 of the first electromagnetic valve 11 to the 4th is closed, and it is electric to control the 5th
The electromagnetic valve 10 of magnet valve 9 and the 6th is opened；When air conditioning system is in the first defrosting mode, controller 17 is also controlled at cross valve 6
Close in power-up state, the 7th electromagnetic valve 15, and first throttle is flowed through to adjust by controlling the aperture of first throttle part 13
The coolant quantity of part 13；When air conditioning system is in the second defrosting mode, the control power-off of cross valve 6 of controller 17, the 7th electromagnetism
Valve 15 is opened, first throttle part 13 is opened and the electromagnetic valve 8 of the first electromagnetic valve 11 to the 4th is closed.
Specifically, control program is preset with controller 17, for receiving the control instruction of off-premises station input, to control sky
Adjusting system realizes the functions such as cooling and warming.
After controller 17 receives refrigeration mode to be instructed, air conditioning system enters refrigeration mode, as shown in Fig. 2 controller
The 17 control power-off of cross valve 6, the 7th electromagnetic valve 15 are opened, the standard-sized sheet of first throttle part 13 and the first electromagnetic valve 11, second are electric
Magnet valve 12, the 3rd electromagnetic valve 7, the 4th electromagnetic valve 8, the 5th electromagnetic valve 9 and the 6th electromagnetic valve 10 are closed.Now, coolant is from compression
Machine 5 is discharged, sequentially pass through cross valve 6, the 7th electromagnetic valve 15, outdoor heat exchanger 1, heat exchanger 3, first throttle part 13,
Two throttle parts 14, indoor heat exchanger 4 and cross valve 6, eventually pass back to compressor 5, complete kind of refrigeration cycle.
After controller 17 receives refrigeration accumulation of heat mode instruction, air conditioning system enters refrigeration accumulation of heat pattern, such as Fig. 3 institutes
Show, controller 17 the control power-off of cross valve 6, the 7th electromagnetic valve 15 are opened, and by control the aperture of first throttle part 13 with
Regulation flows through the coolant quantity of first throttle part 13, while controlling the 3rd electromagnetic valve 7 and the 4th electromagnetic valve 8 is opened and first is electric
The electromagnetic valve 12 of magnet valve 11 and second is closed so that thermophore 2 carries out accumulation of heat.Now, coolant is discharged from compressor 5, through cross valve
6 points is two-way, and all the way coolant sequentially passes through the 7th electromagnetic valve 15, outdoor heat exchanger 1, heat exchanger 3 and first throttle part 13,
Another road coolant sequentially passes through the 3rd electromagnetic valve 7, the electromagnetic valve 8 of thermophore 2 and the 4th, and two-way coolant throttles after converging through second
Part 14, indoor heat exchanger 4 and cross valve 6, eventually pass back to compressor 5, complete kind of refrigeration cycle.Wherein, the height of thermophore 2 is flowed through
The heat of warm coolant is absorbed and is stored by accumulation of heat component, to provide heat when air conditioning system is defrosted.
In addition, under the refrigeration accumulation of heat pattern of air conditioning system, when the first waste heat interface and the second waste heat interface have other shapes
When the waste heat of formula is accessed, controller 17 also controls the 5th electromagnetic valve 9 and the 6th electromagnetic valve 10 is opened, and the waste heat of other forms passes through
The 5th electromagnetic valve 9, thermophore 2, the media for heat exchange of the 6th electromagnetic valve 10 are flowed through, in being stored in thermophore 2.
After controller 17 receives heating mode to be instructed, air conditioning system enters heating mode, as shown in figure 4, controller
17 control cross valves 6 on electricity, the 7th electromagnetic valve 15 open, the standard-sized sheet of first throttle part 13 and the first electromagnetic valve 11, second it is electric
Magnet valve 12, the 3rd electromagnetic valve 7, the 4th electromagnetic valve 8, the 5th electromagnetic valve 9 and the 6th electromagnetic valve 10 are closed.Now, coolant is from compression
Machine 5 is discharged, sequentially pass through cross valve 6, indoor heat exchanger 4, the second throttle part 14, first throttle part 13, heat exchanger 3,
Outdoor heat exchanger 1, the 7th electromagnetic valve 15 and cross valve 6, eventually pass back to compressor 5, complete to heat circulation.
When the waste heat that the first waste heat interface and the second waste heat interface have other forms is accessed, and controller 17 receives system
During thermal regenerator mode instruction, air conditioning system is entered and heats accumulation of heat pattern, as shown in figure 5, control 17 control electricity on cross valves 6, the
Seven electromagnetic valves 15 are opened, the standard-sized sheet of first throttle part 13 and the first electromagnetic valve 11, the second electromagnetic valve 12, the and of the 3rd electromagnetic valve 7
4th electromagnetic valve 8 is closed, and controls the 5th electromagnetic valve 9 and the 6th electromagnetic valve 10 is opened, and the waste heat of other forms is by flowing through
Five electromagnetic valves 9, thermophore 2, the media for heat exchange of the 6th electromagnetic valve 10, in being stored in thermophore 2.
In some embodiments of the invention, when defrosting instruction is received, controller 17 also judges the storage in thermophore 2
Whether heat is more than or equal to design heat amount, wherein, if it is determined that the amount of stored heat in thermophore 2 is more than or equal to design heat amount, control
The control air conditioning system of device 17 enters the first defrosting mode；If it is determined that the amount of stored heat in thermophore 2 is less than design heat amount, controller
17 control air conditioning systems enter the second defrosting mode.Wherein, design heat amount can be demarcated according to practical situation.
According to one embodiment of present invention, after air conditioning system enters the first defrosting mode, controller 17 is also obtained and removed
The white time, and in defrosting time more than or equal to Preset Time and when detecting outdoor heat exchanger 1 and not defrosting clean, controller 17 is controlled
Air-conditioner processed switches to the second defrosting mode.Wherein, Preset Time can be demarcated according to circumstances.
Specifically, controller 17 determines that the control logic of defrosting mode is as shown in Figure 6.Heating mode is in air conditioning system
Or heat under accumulation of heat pattern, when defrosting instruction is received, amount of stored heat Q of the controller 17 first in thermophore 2 determines empty
The defrosting mode of adjusting system.If amount of stored heat Q in thermophore 2 is more than or equal to design heat amount Q0, then controller 17 control air-conditioning
System defrosts according to the first defrosting mode to outdoor heat exchanger 1, when defrosting time t reaches preset time T0When, if now room
Frost layer on external heat exchanger 1 is not also removed totally, then the control of controller 17 air conditioning system continues to room according to the second defrosting mode
External heat exchanger 1 defrosts；When defrosting time t is also not up to preset time T0When, if the frost layer on outdoor heat exchanger 1 has been removed
Totally, then the control of controller 17 air conditioning system exits defrosting.If amount of stored heat Q in thermophore 2 is less than design heat amount Q0, then control
Directly control air conditioning system defrosts device processed 17 according to the second defrosting mode to outdoor heat exchanger 1.
Further, when air conditioning system by heating mode or heat accumulation of heat pattern into the first defrosting mode when, such as Fig. 7 institutes
Show, still in power-up state, controller 17 controls the 7th electromagnetic valve 15 and closes cross valve 6, and by controlling first throttle part
13 aperture flows through the coolant quantity of first throttle part 13 to adjust, meanwhile, it is electric that controller 17 controls the first electromagnetic valve 11, second
Magnet valve 12, the 3rd electromagnetic valve 7 and the 4th electromagnetic valve 8 are opened to defrost outdoor heat exchanger 1.Now, through the second throttling
The coolant of part 14 is divided into two-way, and all the way coolant sequentially passes through first throttle part 13, the check valve 16 of heat exchanger 3 and first,
Because there is heat exchange, accumulation of heat in the heat pipe of the first electromagnetic valve 11 and the second electromagnetic valve 12 in opening, therefore thermophore 2
Into heat exchanger 3, with coolant generation heat exchange in heat exchanger 3, coolant absorbs temperature after heat to heat transfer in device 2
Raise, defrost for outdoor heat exchanger 1.Another road coolant sequentially passes through the 4th electromagnetic valve 8, the electromagnetic valve 7 of thermophore 2 and the 3rd,
Coolant absorbs heat in thermophore 2, and temperature is raised.Two-way coolant returns to compressor 5 after converging through cross valve 6, completes system
Thermal cycle, and outdoor heat exchanger 1 is defrosted.
Wherein, the first check valve 16 is prevented from coolant adverse current, it is ensured that two-way coolant has deviation in pressure and flow
In the case of being capable of co-flow.
When defrosting time t exceedes preset time T0When, if controller 17 detects frost layer on outdoor heat exchanger 1 not yet
Remove totally, then the defrosting mode of air conditioning system is switched to the second defrosting mode, continuation to remove outdoor heat exchanger 1 by controller 17
Frost.
When air conditioning system enters the second defrosting mode, as shown in figure 8, the control power-off of cross valve 6 of controller 17, the 7th electric
Magnet valve 15 is opened, the standard-sized sheet of first throttle part 13 and the first electromagnetic valve 11, the second electromagnetic valve 12, the 3rd electromagnetic valve 7 and the 4th
Electromagnetic valve 8 is closed.Now, coolant is discharged from compressor 5, sequentially pass through cross valve 6, the 7th electromagnetic valve 15, outdoor heat exchanger 1,
Heat exchanger 3, first throttle part, the second throttle part 14, indoor heat exchanger 4 and cross valve 6, eventually pass back to compressor 5, complete
Into defrosting circulation.When the frost layer that controller 17 is detected on outdoor heat exchanger 1 removes clean, air conditioning system exits defrosting, enters
Enter heating mode.
It is understood that in the case where thermophore 2 is failed, air conditioning system can be controlled into the second defrosting mode,
So as to ensure the reliability of air conditioning system.
It should be noted that during air conditioning system defrosts, if the first waste heat interface and the second waste heat interface have other
The waste heat of form is accessed, then controller 17 controls the 5th electromagnetic valve 9 and the 6th electromagnetic valve 10 is in opening, now, other
The waste heat of form by flowing through the media for heat exchange of the 5th electromagnetic valve 9, thermophore 2, the 6th electromagnetic valve 10, in being stored in thermophore 2,
Improve the speed of defrosting.
To sum up, when air conditioning system is in refrigeration accumulation of heat pattern, thermophore 2 recovering condensing heat and can be stored, while energy
The waste heat that external equipment is produced enough is stored, also, when air conditioning system is in and heats accumulation of heat pattern, it is also possible to store external equipment
The waste heat of generation, is defrosted with providing enough amount of stored heat to air conditioning system.
Further, since the first defrosting mode of air conditioning system is to realize that outdoor heat exchanger 1 defrosts in a heating mode, therefore
Heating effect and the comfortable sexual experience of user are can guarantee that, is additionally, since with condensation heat and function of recovering waste heat, embodied significant
Energy-saving effect.Meanwhile, in the case where thermophore accumulation of heat is failed, air conditioning system has the second defrosting mode, it is ensured that system
Reliability.
In sum, the thermal storage defrosting device of air conditioning system according to embodiments of the present invention, when air conditioning system is in refrigeration
During accumulation of heat pattern, the 3rd electromagnetic valve is controlled by controller and the 4th electromagnetic valve is opened and the first electromagnetic valve and the second electromagnetic valve
Close so that thermophore carries out accumulation of heat, and when air conditioning system is in the first defrosting mode, controller control the first electromagnetic valve, the
Two electromagnetic valves, the 3rd electromagnetic valve and the 4th electromagnetic valve are opened to defrost outdoor heat exchanger such that it is able to which effectively utilizes are filled
The thermal source of foot defrosts to outdoor heat exchanger, improves defrosting effect, it is ensured that the comfortable sexual experience of user, and improves energy-conservation
Effect.
Additionally, embodiments of the invention also proposed a kind of air conditioning system, it includes above-mentioned thermal storage defrosting device.
The air conditioning system is entered by above-mentioned thermal storage defrosting device, the thermal source for being capable of effectively utilizes abundance to outdoor heat exchanger
Row defrosting, improves defrosting effect, it is ensured that the comfortable sexual experience of user, and improves energy-saving effect.
Fig. 9 is the flow chart of the thermal storage defrosting method of air conditioning system according to embodiments of the present invention, wherein, air conditioning system bag
Include compressor, cross valve, outdoor heat exchanger, indoor heat exchanger, valve member, first throttle part, the second throttle part, above-mentioned
Thermal storage defrosting device.
As shown in figure 9, the thermal storage defrosting method of air conditioning system is comprised the following steps：
Whether S1, when defrosting instruction is received, judge the amount of stored heat in thermophore more than or equal to design heat amount.
S2, if it is determined that the amount of stored heat in thermophore is more than or equal to design heat amount, controller control air conditioning system enters the
One defrosting mode.
According to one embodiment of present invention, after air conditioning system enters the first defrosting mode, defrosting time is also obtained, and
In defrosting time more than or equal to Preset Time and when detecting outdoor heat exchanger and not defrosting clean, control air-conditioner switches to second
Defrosting mode.
S3, if it is determined that the amount of stored heat in thermophore is less than design heat amount, controller control air conditioning system is removed into second
White pattern.
Specifically, as shown in fig. 6, when defrosting instruction is received, amount of stored heat Q first in thermophore determines air-conditioning
The defrosting mode of system.If amount of stored heat Q in thermophore 2 is more than or equal to design heat amount Q0, then controller control air conditioning system
Defrost to outdoor heat exchanger according to the first defrosting mode, when defrosting time t reaches preset time T0When, if now outdoor heat exchange
Frost layer on device is not also removed totally, then controller control air conditioning system continues to be removed to outdoor heat exchanger according to the second defrosting mode
Frost；When defrosting time t is also not up to preset time T0When, if the frost layer on outdoor heat exchanger has been removed totally, control
Device control air conditioning system exits defrosting.If amount of stored heat Q in thermophore is less than design heat amount Q0, then controller directly control sky
Adjusting system defrosts according to the second defrosting mode to outdoor heat exchanger.
In some embodiments of the invention, when air conditioning system is in the first defrosting mode, the first electromagnetic valve of control, the
Two electromagnetic valves, the 3rd electromagnetic valve and the 4th electromagnetic valve are opened, and control the 7th of cross valve in power-up state, valve member
Closed electromagnetic valve, and adjust the coolant quantity for flowing through first throttle part by controlling the aperture of first throttle part；Work as sky
When adjusting system is in the second defrosting mode, control cross valve power-off, the 7th electromagnetic valve are opened, first throttle part is opened and the
One electromagnetic valve is to the 4th closed electromagnetic valve.
A specific example of the invention, as shown in figure 1, compressor 5, cross valve 6, valve member 18, outdoor are changed
Hot device 1, first throttle part 13 such as electric expansion valve, the second throttle part 14 and indoor heat exchanger 4 is in turn connected to form and closes
Loop is closed, coolant is circulated in the closed circuit, realizes the functions such as the cooling and warming of indoor heat exchanger 4.
And the heat exchanger 3 in thermal storage defrosting device is connected between outdoor heat exchanger 1 and first throttle part 13, and
Heat exchanger 3 is connected by the first electromagnetic valve 11 and the second electromagnetic valve 12 with thermophore 2, when coolant flows through heat exchanger 3, is led to
Cross the first electromagnetic valve 11 of control and the second electromagnetic valve 12 realizes the heat exchange function of heat pipe in thermophore 2.In addition, when coolant directly flows
During Jing thermophores 2, there is heat exchange in the accumulation of heat component in thermophore 2, when refrigerant temperature is higher, thermophore 2 absorbs with coolant
Coolant heat is simultaneously stored；When refrigerant temperature is relatively low, thermophore 2 discharges heat in coolant.
When air conditioning system is in the first defrosting mode, as shown in fig. 7, cross valve 6 is in power-up state, controller 17 is controlled
Make the 7th electromagnetic valve 15 to close, and the cold of first throttle part 13 is flowed through to adjust by controlling the aperture of first throttle part 13
Matchmaker measures, meanwhile, controller 17 controls the first electromagnetic valve 11, the second electromagnetic valve 12, the 3rd electromagnetic valve 7 and the 4th electromagnetic valve 8 and opens
To defrost to outdoor heat exchanger 1.Now, the coolant through the second throttle part 14 is divided into two-way, all the way coolant Jing successively
First throttle part 13, the check valve 16 of heat exchanger 3 and first are crossed, because the first electromagnetic valve 11 and the second electromagnetic valve 12 are in and open
There is heat exchange in the heat pipe opened in state, therefore thermophore 2, in the heat transfer in thermophore 2 to heat exchanger 3, in heat friendship
There is heat exchange with coolant in parallel operation 3, temperature is raised after coolant absorption heat, is defrosted for outdoor heat exchanger 1.Another road coolant
The 4th electromagnetic valve 8, the electromagnetic valve 7 of thermophore 2 and the 3rd are sequentially passed through, coolant absorbs heat in thermophore 2, temperature is raised.Two
Road coolant returns to compressor 5 after converging through cross valve 6, completes to heat circulation, and outdoor heat exchanger 1 is defrosted.
Wherein, the first check valve 16 is prevented from coolant adverse current, it is ensured that two-way coolant has deviation in pressure and flow
In the case of being capable of co-flow.
When defrosting time t exceedes preset time T0When, if controller 17 detects frost layer on outdoor heat exchanger 1 not yet
Remove totally, then the defrosting mode of air conditioning system is switched to the second defrosting mode, continuation to remove outdoor heat exchanger 1 by controller 17
Frost.
When air conditioning system enters the second defrosting mode, as shown in figure 8, the control power-off of cross valve 6 of controller 17, the 7th electric
Magnet valve 15 is opened, the standard-sized sheet of first throttle part 13 and the first electromagnetic valve 11, the second electromagnetic valve 12, the 3rd electromagnetic valve 7 and the 4th
Electromagnetic valve 8 is closed.Now, coolant is discharged from compressor 5, sequentially pass through cross valve 6, the 7th electromagnetic valve 15, outdoor heat exchanger 1,
Heat exchanger 3, first throttle part, the second throttle part 14, indoor heat exchanger 4 and cross valve 6, eventually pass back to compressor 5, complete
Into defrosting circulation.When the frost layer that controller 17 is detected on outdoor heat exchanger 1 removes clean, air conditioning system exits defrosting, enters
Enter heating mode.
The thermal storage defrosting method of air conditioning system according to embodiments of the present invention, when defrosting instruction is received, first determines whether
Whether the amount of stored heat in thermophore is more than or equal to design heat amount, if it is determined that the amount of stored heat in thermophore is more than or equal to default heat
Amount, controller control air conditioning system enters the first defrosting mode, if it is determined that the amount of stored heat in thermophore is less than design heat amount, control
Device control air conditioning system processed enters the second defrosting mode such that it is able to which the sufficient thermal source of effectively utilizes is removed to outdoor heat exchanger
Frost, improves defrosting effect, it is ensured that the comfortable sexual experience of user, and improves energy-saving effect.In addition, when heat source insufficiency, also
With the second alternative defrosting mode, it is ensured that the reliability of system.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " 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, is for only for ease of the description present invention and simplifies description, rather than indicates or imply that the device or element of indication must
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
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 it is integral；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clearly restriction.For one of ordinary skill in the art
For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, 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 less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
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, changes, replacing and modification.
Claims (10)
1. the thermal storage defrosting device of a kind of air conditioning system, it is characterised in that the air conditioning system includes compressor, cross valve, room
External heat exchanger, indoor heat exchanger, valve member, first throttle part and the second throttle part, the thermal storage defrosting device includes：
Heat exchanger, the heat exchanger is connected between the outdoor heat exchanger and the first throttle part；
Thermophore, one end of the thermophore is connected by the valve member with one end of the outdoor heat exchanger, the storage
The other end of hot device is connected with the first throttle part, has first between one end of the thermophore and the valve member
Node, has secondary nodal point between the other end of the thermophore and the first throttle part, the thermophore includes heat pipe
With absorb heat and store the accumulation of heat component of heat, the evaporation ends of the heat pipe are arranged in the thermophore, the condensation of the heat pipe
End is arranged in the heat exchanger；
First electromagnetic valve and the second electromagnetic valve, first electromagnetic valve and the second electromagnetic valve be arranged on the evaporation ends of the heat pipe with
Between the condensation end of the heat pipe；
3rd electromagnetic valve, the 3rd electromagnetic valve is arranged between one end of the thermophore and the primary nodal point；
4th electromagnetic valve, the 4th electromagnetic valve is arranged between the other end of the thermophore and the secondary nodal point；
Controller, the controller controls the 3rd electromagnetic valve and described when the air conditioning system is in refrigeration accumulation of heat pattern
4th electromagnetic valve is opened and first electromagnetic valve and the second closed electromagnetic valve are so that the thermophore carries out accumulation of heat, and in institute
State when air conditioning system is in the first defrosting mode and control first electromagnetic valve, second electromagnetic valve, the 3rd electromagnetic valve
Open to defrost the outdoor heat exchanger with the 4th electromagnetic valve.
2. the thermal storage defrosting device of air conditioning system as claimed in claim 1, it is characterised in that also include：
5th electromagnetic valve and the 6th electromagnetic valve, the 5th electromagnetic valve is connected with the first waste heat interface of the thermophore, described
6th electromagnetic valve is connected with the second waste heat interface of the thermophore, wherein, the controller is by control the 5th electromagnetism
Valve and the 6th electromagnetic valve are opened so that the thermophore absorbs and store the waste heat of external equipment generation.
3. the thermal storage defrosting device of air conditioning system as claimed in claim 2, it is characterised in that the valve member includes parallel connection
The 7th electromagnetic valve and the first check valve, the forward end of first check valve is connected with one end of the outdoor heat exchanger, institute
The backward end for stating the first check valve is connected with the primary nodal point.
4. the thermal storage defrosting device of air conditioning system as claimed in claim 3, it is characterised in that the operation mould of the air conditioning system
Formula also includes refrigeration mode, heating mode, heats accumulation of heat pattern and the second defrosting mode, wherein,
When the air conditioning system is in the refrigeration mode, the controller controls the cross valve power-off, the described 7th electric
Magnet valve is opened, the first throttle part is opened and first electromagnetic valve is to the 6th closed electromagnetic valve；
When the air conditioning system is in the refrigeration accumulation of heat pattern, the controller also controls the cross valve power-off, described
7th electromagnetic valve is opened, and flows through the cold of the first throttle part to adjust by controlling the aperture of the first throttle part
Matchmaker measures；
When the air conditioning system is in the heating mode, the controller controls electric on the cross valve, the described 7th electric
Magnet valve is opened, the first throttle part is opened and first electromagnetic valve is to the 4th closed electromagnetic valve；
When the air conditioning system in it is described heat accumulation of heat pattern when, the controller is controlled electric, described the on the cross valve
Seven electromagnetic valves are opened, the first throttle part is opened and first electromagnetic valve is to the 4th closed electromagnetic valve, and are controlled
Make the 5th electromagnetic valve and the 6th electromagnetic valve is opened；
When the air conditioning system is in first defrosting mode, the controller also controls the cross valve in upper electric shape
State, the 7th closed electromagnetic valve, and flow through the first throttle to adjust by controlling the aperture of the first throttle part
The coolant quantity of part；
When the air conditioning system is in second defrosting mode, the controller control the cross valve power-off, described the
Seven electromagnetic valves are opened, the first throttle part is opened and first electromagnetic valve is to the 4th closed electromagnetic valve.
5. the thermal storage defrosting device of the air conditioning system as any one of claim 1-4, it is characterised in that remove receiving
During frost instruction, the controller also judges whether the amount of stored heat in the thermophore is more than or equal to design heat amount, wherein,
If it is determined that the amount of stored heat in the thermophore is more than or equal to the design heat amount, the controller controls the air-conditioning system
System enters first defrosting mode；
If it is determined that the amount of stored heat in the thermophore is less than the design heat amount, the controller controls the air conditioning system and enters
Enter second defrosting mode.
6. the thermal storage defrosting device of air conditioning system as claimed in claim 5, it is characterised in that enter institute in the air conditioning system
After stating the first defrosting mode, the controller also obtains defrosting time, and the defrosting time more than or equal to Preset Time and
When detecting the outdoor heat exchanger and not defrosting clean, the controller controls the air-conditioner and switches to the second defrosting mould
Formula.
7. a kind of air conditioning system, it is characterised in that include the thermal storage defrosting device as any one of claim 1-6.
8. a kind of thermal storage defrosting method of air conditioning system, it is characterised in that the air conditioning system includes compressor, cross valve, room
External heat exchanger, indoor heat exchanger, valve member, first throttle part, such as the second throttle part, any one of claim 1-6
Described thermal storage defrosting device, the thermal storage defrosting method is comprised the following steps：
When defrosting instruction is received, judge the amount of stored heat in the thermophore whether more than or equal to design heat amount；
If it is determined that the amount of stored heat in the thermophore is more than or equal to the design heat amount, the controller controls the air-conditioning system
System enters first defrosting mode；
If it is determined that the amount of stored heat in the thermophore is less than the design heat amount, the controller controls the air conditioning system and enters
Enter second defrosting mode.
9. the thermal storage defrosting method of air conditioning system as claimed in claim 8, it is characterised in that enter institute in the air conditioning system
After stating the first defrosting mode, defrosting time is also obtained, and be more than or equal to Preset Time in the defrosting time and detect described
When outdoor heat exchanger does not defrost clean, control the air-conditioner and switch to second defrosting mode.
10. the thermal storage defrosting method of air conditioning system as claimed in claim 8 or 9, it is characterised in that
When the air conditioning system is in first defrosting mode, first electromagnetic valve, second electromagnetic valve, institute are controlled
State the 3rd electromagnetic valve and the 4th electromagnetic valve is opened, and control the cross valve and be in power-up state, the valve member
The 7th closed electromagnetic valve, and flow through the first throttle part to adjust by controlling the aperture of the first throttle part
Coolant quantity；
When the air conditioning system is in second defrosting mode, controls the cross valve power-off, the 7th electromagnetic valve and open
Open, the first throttle part is opened and first electromagnetic valve is to the 4th closed electromagnetic valve.
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| CN201510270766.6A CN104807258B (en) | 2015-05-25 | 2015-05-25 | Air conditioning system and heat accumulation and defrosting device and method thereof |
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| CN201510270766.6A CN104807258B (en) | 2015-05-25 | 2015-05-25 | Air conditioning system and heat accumulation and defrosting device and method thereof |
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| CN106594937A (en) * | 2017-01-10 | 2017-04-26 | 美的集团武汉制冷设备有限公司 | Air conditioner, and defrosting control method and system |
| CN110715484A (en) * | 2019-10-25 | 2020-01-21 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110715485A (en) * | 2019-10-25 | 2020-01-21 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN111351248B (en) * | 2020-03-13 | 2021-10-08 | 海信（山东）空调有限公司 | Air conditioning system and control method |
| CN111271796B (en) * | 2020-03-26 | 2024-02-09 | 宁波奥克斯电气股份有限公司 | Air conditioner and defrosting control method and device thereof |
| CN114688607B (en) * | 2020-12-31 | 2023-09-01 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN113074438B (en) * | 2021-02-26 | 2023-08-04 | 青岛海信日立空调系统有限公司 | Multi-connected air conditioner and defrosting control method thereof |
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| CN1167920C (en) * | 2001-08-31 | 2004-09-22 | 陈玪洙 | Thermal pump system |
| CN102132110A (en) * | 2008-08-26 | 2011-07-20 | 陈坅洙 | Heat pump system |
| CN103225936A (en) * | 2013-04-24 | 2013-07-31 | 青岛海尔空调电子有限公司 | Air conditioning system with defrosting device and defrosting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100018136A (en) * | 2008-08-06 | 2010-02-17 | 박승구 | Heat pump with defroster to heat pipe |
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| CN1167920C (en) * | 2001-08-31 | 2004-09-22 | 陈玪洙 | Thermal pump system |
| CN102132110A (en) * | 2008-08-26 | 2011-07-20 | 陈坅洙 | Heat pump system |
| CN103225936A (en) * | 2013-04-24 | 2013-07-31 | 青岛海尔空调电子有限公司 | Air conditioning system with defrosting device and defrosting method thereof |
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