CN106996661B - The control method of condenser assembly, wall-hanging air conditioner all-in-one machine and condenser assembly - Google Patents
The control method of condenser assembly, wall-hanging air conditioner all-in-one machine and condenser assembly Download PDFInfo
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- CN106996661B CN106996661B CN201710192163.8A CN201710192163A CN106996661B CN 106996661 B CN106996661 B CN 106996661B CN 201710192163 A CN201710192163 A CN 201710192163A CN 106996661 B CN106996661 B CN 106996661B
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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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention discloses the control method of a kind of condenser assembly, wall-hanging air conditioner all-in-one machine and condenser assembly, wherein, the condenser assembly is used for air conditioner, it include: double-tube heat exchanger, described sleeve pipe heat exchanger includes inner and outer tubes, one of said inner tube and the outer tube are used to circulate for refrigerant, another for logical for cooling liquid stream；Water storage tank is equipped with inlet and outlet, and the water inlet is equipped with water inlet component, and the water outlet is equipped with drain assembly；Water inlet pipe is connected to one end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger；Drainpipe is connected to the other end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger；And water pump, it is set on the water inlet pipe or the drainpipe.Technical solution of the present invention can effectively improve the heat exchange uniformity of condenser each section.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of condenser assembly, wall-hanging air conditioner all-in-one machine and condenser group
The control method of part.
Background technique
Existing condenser generallys use wind wheel, is radiated using air to condenser.When condenser area is larger,
Only portion can be against the air inlet or air outlet of wind wheel for the biggish condenser, and the air flowing of the part is big, heat dissipation
Effect is preferable, and other parts positioned at wind wheel air inlet or air outlet periphery, since air circulation is poor, heat dissipation effect
Difference so causes the heat exchange of condenser each section uneven.
Summary of the invention
The main object of the present invention is to propose a kind of condenser assembly, it is intended to which the heat exchange for improving condenser each section is uniform
Property.
To achieve the above object, condenser assembly proposed by the present invention is used for air conditioner, comprising:
Double-tube heat exchanger, described sleeve pipe heat exchanger include inner and outer tubes, and one of said inner tube and the outer tube are used
It circulates in for refrigerant, it is another for logical for cooling liquid stream；
Water storage tank is equipped with inlet and outlet, and the water inlet is equipped with water inlet component, and the water outlet is equipped with row
Water assembly；
Water inlet pipe is connected to one end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger；
Drainpipe is connected to the other end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger；With
And
Water pump is set on the water inlet pipe or the drainpipe.
Preferably, said inner tube is used to circulate for refrigerant, and the outer tube is used for logical for cooling liquid stream；The outer tube is equipped with
For detecting the first temperature sensor of the outer tube temperature；The condenser assembly further includes controller, the controller with
First temperature sensor is electrically connected, for controlling the water pump when the outer tube temperature reaches the first preset temperature
It opens；And for controlling the water pump and closing when the outer tube temperature is lower than first preset temperature.
Preferably, the second temperature for detecting coolant temperature in the water storage tank is equipped in the water storage tank to sense
Device, the controller and the second temperature sensor are electrically connected, and are reached for working as coolant temperature in the water storage tank
When the second preset temperature, controls the drain assembly and the water inlet component cooperates, it is cold in the water storage tank to replace
But liquid.
Preferably, the liquid level sensor being electrically connected with the controller is additionally provided in the water storage tank；
The controller is used for when coolant temperature reaches the second preset temperature in the water storage tank, controls the draining
Component is opened, and when the liquid level sensor detects that liquid level drops to lower limit value in the water storage tank, described in control
Drain assembly is closed；
The controller is also used to control the water inlet component after drain assembly is closed and open, and work as the liquid
When level sensor detects that liquid level rises to upper limit value in the water storage tank, controls the water inlet component and close.
Preferably, the water inlet component include the first pipeline being connected to the water inlet and be set to first pipeline
On inlet valve, the drain assembly includes the second pipeline being connected to the water outlet and on second pipeline
Drain valve.
Preferably, the drainpipe includes the vertically first segment to extension, the lower end of the first segment and described sleeve pipe
The pipeline logical for cooling liquid stream of heat exchanger is connected to, and the top of the first segment is bent to form second segment, the second segment downward
Lower end be connected to the water storage tank.
Preferably, the water inlet pipe is arranged close to the air return end of said inner tube, the drainpipe close to said inner tube into
The setting of gas end.
Preferably, the condenser assembly further includes battery and controller, and the battery is used in the air conditioner
To the controller, water pump, water inlet component and drain assembly power supply when shutdown, and when air conditioner shutdown duration reaches default
When duration, the controller cooperates for controlling the water pump, drain assembly and water inlet component, is changed with replacing described sleeve pipe
Coolant liquid in hot device and the water storage tank.
Invention additionally discloses a kind of wall-hanging air conditioner all-in-one machine, the wall-hanging air conditioner all-in-one machine includes condenser assembly,
The condenser assembly includes:
Double-tube heat exchanger, described sleeve pipe heat exchanger include inner and outer tubes, and one of said inner tube and the outer tube are used
It circulates in for refrigerant, it is another for logical for cooling liquid stream；
Water storage tank is equipped with inlet and outlet, and the water inlet is equipped with water inlet component, and the water outlet is equipped with row
Water assembly；
Water inlet pipe is connected to one end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger；
Drainpipe is connected to the other end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger；With
And
Water pump is set on the water inlet pipe or the drainpipe.
The present invention also proposes a kind of control method of condenser assembly, comprising the following steps:
Recursion instruction is received, control water pump starts, so that the cooling in the coolant liquid and water storage tank in double-tube heat exchanger
Liquid circulation；
Replacement instruction is received, the drain assembly and water inlet component controlled on water storage tank cooperates, to replace the water storage
Coolant liquid in slot.
Preferably, the reception recursion instruction, control water pump starting, so that coolant liquid and water storage in double-tube heat exchanger
Before the step of coolant liquid in slot recycles further include: the temperature of the outer tube of detection described sleeve pipe heat exchanger；
When the temperature of the outer tube reaches the first preset temperature, it is considered as and receives the recursion instruction.
Preferably, when receiving air conditioner power-on instruction, it is considered as and receives the recursion instruction.
Preferably, the reception replacement instruction, the drain assembly and water inlet component controlled on water storage tank cooperates, with more
Before the step of changing the coolant liquid in the water storage tank further include: detect the temperature of coolant liquid in the water storage tank；
When the temperature of coolant liquid in the water storage tank reaches the second preset temperature, it is considered as and receives the replacement instruction.
Preferably, the reception replacement instruction, the drain assembly and water inlet component controlled on water storage tank cooperates, with more
The step of coolant liquid changed in the water storage tank includes:
It is instructed according to the replacement, controls the drain assembly and open；
Detect the liquid level in the water storage tank；
When the liquid level drops to lower limit value, controls the drain assembly and close, and control the water inlet component
It opens；
When the liquid level rises to upper limit value, controls the water inlet component and close.
Preferably, the control method of the condenser assembly further include:
When receiving shutdown command, shutdown duration is calculated；
When the shutdown duration reaches preset duration, water pump and drain assembly and water inlet component on water storage tank are controlled
It cooperates, to replace the coolant liquid in described sleeve pipe heat exchanger and the water storage tank.
In the present invention, by the structure that double-tube heat exchanger is arranged, wherein a pipeline of double-tube heat exchanger is for cooling liquid stream
Logical, another pipeline circulates for refrigerant, which is wrapped in outside the pipeline for refrigerant circulation or refrigerant is wrapped in for coolant liquid
Heat exchange mode outside the pipeline of circulation enables coolant liquid sufficiently to exchange heat by tube wall with refrigerant, and the two each section
Contact area is identical, so that the heat exchange of refrigerant each section is more uniform, and reduces the area of heat exchanger, greatly improves energy
Effect ratio and refrigeration effect, reduce manufacturing cost.Meanwhile being connected to by setting water storage tank with for the logical pipeline of cooling liquid stream
Mode, so that the coolant liquid in coolant liquid and water storage tank in pipeline is constantly recycled, to reduce coolant liquid in pipeline
Temperature, effectively to be exchanged heat to refrigerant；In addition, can also reduce the frequent replacement of the coolant liquid and external water source in pipeline.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of wall-hanging air conditioner all-in-one machine of the present invention；
Fig. 2 is the schematic diagram of internal structure of wall-hanging air conditioner all-in-one machine in Fig. 1；
Fig. 3 is the structural schematic diagram of compressor and condenser assembly in Fig. 2；
Fig. 4 is the cut-away illustration in Fig. 1 along A-A-A-A section；
Fig. 5 is the flow diagram of one embodiment of control method of condenser assembly of the present invention；
Fig. 6 is the flow diagram of another embodiment of control method of condenser assembly of the present invention；
Fig. 7 is the flow diagram of the another embodiment of control method of condenser assembly of the present invention；
Fig. 8 is the refinement flow diagram of step S20 in Fig. 5；
Fig. 9 is the flow diagram of the control method another embodiment of condenser assembly of the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Double-tube heat exchanger | 230 | Water inlet pipe |
| 110 | Inner tube | 240 | Drainpipe |
| 120 | Outer tube | 241 | First segment |
| 200 | Water storage tank | 242 | Second segment |
| 210 | Water inlet component | 300 | Water pump |
| 211 | First pipeline | 400 | Compressor |
| 212 | Inlet valve | 500 | First temperature sensor |
| 220 | Drain assembly | 600 | Liquid level sensor |
| 221 | Second pipeline | 700 | Evaporator assemblies |
| 222 | Drain valve | 800 | Shell |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of condenser assembly, which is used for air conditioner, and the air conditioner can be integrated machine,
It can also be split air conditioner.
In embodiments of the present invention, incorporated by reference to referring to figs. 1 to Fig. 4, wherein arrow shown in Fig. 3 is the flowing side of coolant liquid
To.The condenser assembly includes:
Double-tube heat exchanger 100, described sleeve pipe heat exchanger 100 include inner tube 110 and outer tube 120, said inner tube 110 and described
One of them is used to circulate for refrigerant outer tube 120, another for logical for cooling liquid stream；
Water storage tank 200 is equipped with inlet and outlet, and the water inlet is equipped with water inlet component 210, on the water outlet
Equipped with drain assembly 220；
Water inlet pipe 230 is connected to the pipeline logical for cooling liquid stream of the water storage tank 200 and described sleeve pipe heat exchanger 100
One end；
Drainpipe 240 is connected to the pipeline logical for cooling liquid stream of the water storage tank 200 and described sleeve pipe heat exchanger 100
The other end；And
Water pump 300 is set on the water inlet pipe 230 or the drainpipe 240.
In the embodiment of the present invention, one of said inner tube 110 and the outer tube 120 for refrigerant for circulating, Ling Yiyong
In logical for cooling liquid stream.For example, in some embodiments, said inner tube 110 is used to circulate for refrigerant, and the outer tube 120 is used for
Logical for cooling liquid stream, the coolant liquid is wrapped in the periphery of said inner tube 110, can carry out to the refrigerant in inner tube 110 preferable
Heat exchange.
Among the above, the coolant liquid is preferably water.The water inlet of the water storage tank 200 is connected to external water source, such as with it is outer
Portion's water tank is connected to or is directly connected to tap water；The water outlet of the water storage tank 200 can be connected with water for kitchen use, to provide for kitchen
Hot water, thus energy saving.The water inlet component 210 and the drain assembly 220 can be solenoid valve, and by setting in air conditioner
The controller set carries out opening or closing for solenoid valve, to replace the coolant liquid of the water storage tank 200；The water inlet component 210
It can also switch with the drain assembly 220 for hand, be opened or closed manually by user；The water inlet component 210
It can also be water pump with the drain assembly 220, opening or closing for water pump is controlled by controller.
Specifically, refrigerant circulates in the compressor 400 of air conditioner and a wherein pipeline for double-tube heat exchanger 100, leads to
The unlatching of control water pump 300 is crossed, so that described sleeve pipe the heat exchanger 100 wherein coolant liquid in another pipeline and the water storage tank 200
Interior coolant liquid circulation cools down to refrigerant with constantly taking away the heat of refrigerant generation.When coolant liquid temperature in water storage tank 200
Degree rises to preset value, or after control 300 opening time of water pump reaching preset duration, passes through and control the water inlet group
Part 210 and the drain assembly 220 cooperate, to replace coolant liquid in the water storage tank 200, to continue to repeat the above steps
To cool down to the refrigerant.
In the present invention, by the structure that double-tube heat exchanger 100 is arranged, wherein a pipeline of double-tube heat exchanger 100 is for cooling
Liquid stream is logical, and another pipeline circulates for refrigerant, which is wrapped in outside the pipeline for refrigerant circulation or refrigerant is wrapped in cooling supply
But the heat exchange mode outside the logical pipeline of liquid stream, enables coolant liquid sufficiently to exchange heat by tube wall with refrigerant, and each portion of the two
The contact area divided is identical, so that the heat exchange of refrigerant each section is more uniform, and reduces the area of heat exchanger, is substantially improved
Energy Efficiency Ratio and refrigeration effect, reduce manufacturing cost.Meanwhile by setting water storage tank 200 come with the pipe logical for cooling liquid stream
The mode of road connection, so that the coolant liquid in pipeline is constantly recycled with the coolant liquid in water storage tank 200, to reduce pipeline
The temperature of interior coolant liquid, effectively to be exchanged heat to refrigerant；In addition, can also reduce the frequency of the coolant liquid and external water source in pipeline
Numerous replacement.
In one embodiment, said inner tube 110 is used to circulate for refrigerant, and the outer tube 120 is used for logical for cooling liquid stream.Institute
Outer tube 120 is stated equipped with the first temperature sensor 500 for detecting 120 temperature of outer tube；The condenser assembly also wraps
Controller is included, the controller and first temperature sensor 500 are electrically connected, for reaching when 120 temperature of outer tube
When the first preset temperature, controls the water pump 300 and open；And for when 120 temperature of outer tube is lower than the described first default temperature
When spending, controls the water pump 300 and close.It is cold in the outer tube 120 after the air conditioner starting up in the embodiment
But liquid carries out heat exchange cooling to the refrigerant, and at the same time, first temperature sensor 500 detects the temperature of the outer tube 120
Degree specifically can also carry out continuing detection every prefixed time interval if 2-10s detection is primary.When first temperature passes
When sensor 500 detects that 120 temperature of outer tube reaches the first preset temperature, it is preferable that first preset temperature is 40-50
DEG C, at this point, coolant temperature is higher in the outer tube 120, heat transfer effect is poor, it is therefore desirable to it controls the water pump 300 and opens,
So that the coolant liquid of coolant liquid and the water storage tank 200 in the outer tube 120 is recycled, namely make the outer tube
The coolant liquid of higher temperature and the coolant liquid of lower temperature in the water storage tank 200 are sufficiently mixed in 120, so that flowing again
The temperature entered to the coolant liquid in the outer tube 120 is lower, and when at a temperature below the first preset temperature, the controller control
It makes the water pump 300 to close, and is repeated in above-mentioned steps.
Certainly, in other embodiments, the controller also can control the water pump 300 always on, namely when described
When air conditioner starting up, the water pump 300 is opened, and the coolant liquid in the outer tube 120 is always and in the water storage tank 200
Coolant liquid circulation, so can avoid 120 temperature of outer tube is frequently detected.
Among the above, since after the water pump 300 is opened, the coolant liquid of higher temperature constantly will be hot in the outer tube 120
Amount is taken in the water storage tank 200, so that coolant temperature rises in the water storage tank 200.To avoid in the water storage tank 200
Coolant liquid temperature rise is excessively high and influences the heat exchange of the refrigerant, it is therefore desirable to control the drain assembly 220 and the water inlet group
Part 210 cooperates, to replace the coolant liquid in the water storage tank 200.Specifically, the controller can be according between preset time
It cooperates every to control the drain assembly 220 and the water inlet component 210, to the coolant liquid in the water storage tank 200
It is replaced；Alternatively, the controller can control the drain assembly 220 according to temperature and the water inlet component 210 cooperates with
Work, to be replaced to the coolant liquid in the water storage tank 200.For example, in one embodiment, the controller is according to temperature
It cooperates to control the drain assembly 220 and the water inlet component 210.In this embodiment, further, the water storage
Be equipped with the second temperature sensor for detecting coolant temperature in the water storage tank 200 in slot 200, the controller with it is described
Second temperature sensor is electrically connected, and for controlling when coolant temperature reaches the second preset temperature in the water storage tank 200
It makes the drain assembly 220 and the water inlet component 210 cooperates, to replace the coolant liquid in the water storage tank 200.It is preferred that
Ground, second preset temperature are 40-50 DEG C.It is opened in general, the controller first controls the drain assembly 220, with discharge
In the water storage tank 200 after the coolant liquid of higher temperature, then controls the drain assembly 220 and close, and control the water inlet group
Part 210 is opened, and to refill the coolant liquid of lower temperature, is finally controlled the water inlet component 210 and is closed.
In above-described embodiment, when replacing to the coolant liquid in the water storage tank 200, the controller can control institute
It states after drain assembly 220 opens preset duration and is closed again；Alternatively, the controller can control the drain assembly 220 to beat
It opens until the liquid level in the water storage tank 200 is closed again after dropping to certain value.Likewise, the controller is controllable
It makes after the water inlet component 210 opens preset duration and is closed again；Alternatively, the controller can control the water inlet component
210 open until the liquid level in the water storage tank 200 is closed again after rising to certain value.For example, specific real one
It applies in example, the liquid level sensor 600 being electrically connected with the controller is additionally provided in the water storage tank 200；The controller is used
It opens, and works as in when coolant temperature reaches the second preset temperature in the water storage tank 200, controlling the drain assembly 220
When the liquid level sensor 600 detects that liquid level drops to lower limit value in the water storage tank 200, the drain assembly is controlled
220 close；The controller is also used to control the water inlet component 210 after the drain assembly 220 is closed and open, and work as
When the liquid level sensor 600 detects that liquid level rises to upper limit value in the water storage tank 200, the water inlet component is controlled
210 close.This by way of detecting liquid level, can be avoided towards the water storage tank by the way that the liquid level sensor 600 is arranged
The phenomenon that 200 interior injection liquid excessively overflow, when also can avoid drain, coolant liquid is by whole in the water storage tank 200
Drained the phenomenon that not carrying out next step yet and influencing heat exchange efficiency.The number of the liquid level sensor 600 is preferably two,
In one close to 200 top of water storage tank be arranged, to detect whether liquid level in the water storage tank 200 rises to the upper limit
Value；Another is arranged close to the bottom end of the water storage tank 200, to detect whether liquid level in the water storage tank 200 declines
To lower limit value.Certainly, the number of the liquid level sensor 600 can also be one, such as float type liquid level sensor 600.
To improve heat exchange efficiency, the water inlet pipe 230 is arranged close to the air return end of said inner tube 110, the drainpipe 240
Close to said inner tube 110 inlet end setting namely the refrigerant flow direction and the coolant liquid flow direction on the contrary,
Coolant liquid of the refrigerant first with the higher temperature at the drainpipe 240 carries out heat exchange cooling, when the refrigerant flows
When to close to air return end, the temperature of refrigerant is lower, and relatively low now close to the temperature of the coolant liquid at water inlet pipe 230, therefore
Refrigerant can continue to carry out heat exchange cooling with coolant liquid, so that the equal energy of refrigerant in entire double-tube heat exchanger 100 everywhere
It enough exchanges heat, to improve the heat exchange efficiency of refrigerant.
The drainpipe 240 includes vertically to the first segment of extension 241, the lower end of the first segment 241 and the set
The pipeline logical for cooling liquid stream of heat exchange of heat pipe 100 is connected to, and the top of the first segment 241 is bent to form second segment 242 downward,
The lower end of the second segment 242 is connected to the water storage tank 200.Since the first segment 241 extends upward, when the water pump
When 300 opening, the coolant liquid in the first segment 241 flows upward under, and when the water pump 300 is closed, first
Coolant liquid in section 241 rests in the first segment 241 by gravity, to ensure that described sleeve pipe heat exchanger 100
It is inside filled by coolant liquid always, when preventing booting, injects liquid not in time in the water storage tank 200, and lead to the set
Without coolant liquid in heat exchange of heat pipe 100, and then lead in described sleeve pipe heat exchanger 100 that refrigerant is cooled to damage compressor not in time
400 the occurrence of.
Specifically, the water inlet component 210 includes the first pipeline 211 being connected to the water inlet and is set to described the
Inlet valve 212 on one pipeline 211, the drain assembly 220 include the second pipeline 221 being connected to the water outlet and set
Drain valve 222 on second pipeline 221.The inlet valve 212 and the drain valve 222 be solenoid valve or manually
Valve.When the inlet valve 212 and the drain valve 222 are solenoid valve, the inlet valve 212 and the drain valve 222 divide
It is not electrically connected with the controller, is opened or closed with controlling it by the controller.
When air conditioner shutdown for a long time when not in use, to prevent in described sleeve pipe heat exchanger 100 and the water storage
Coolant liquid in slot 200 is stood for a long time and to breed bacterium smelly, it is therefore desirable to be exchanged heat at interval of a period of time to described sleeve pipe
Coolant liquid in device 100 and in the water storage tank 200 is replaced.Specifically, the condenser assembly further includes battery
And controller, the battery are used in air conditioner shutdown to the controller, water pump 300, water inlet component 210 and row
Water assembly 220 is powered, and when air conditioner shutdown duration reaches preset duration, when such as 10 days, the controller is for controlling
Make the water pump 300, drain assembly 220 and water inlet component 210 cooperate, to replace described sleeve pipe heat exchanger 100 and described
Coolant liquid in water storage tank 200.Start in general, the controller controls the water pump 300, and controls the drain assembly simultaneously
220 open, and to be discharged in the water storage tank 200 with after coolant liquid in described sleeve pipe heat exchanger 100, then control the drain assembly
220 close, and control the water inlet component 210 and open, and to refill coolant liquid, finally control the water inlet component 210 and close
It closes.
The present invention also proposes that a kind of wall-hanging air conditioner all-in-one machine, the wall-hanging air conditioner all-in-one machine include as described above cold
The specific structure of condenser component, the condenser assembly please refers to above-described embodiment, since this wall-hanging air conditioner all-in-one machine uses
Whole technical solutions of above-mentioned all embodiments, thus it is at least all beneficial brought by the technical solution with above-described embodiment
Effect, this is no longer going to repeat them.
Wherein, which includes shell 800, compressor 400 and evaporator assemblies 700, wherein institute
Shell 800 is stated with a mounting surface to hang wall installation；The compressor 400, the condenser assembly and the evaporator
Component 700 is respectively positioned in the shell 800, specifically can be in horizontally disposed, and the compressor 400 is located at the condenser assembly
Between the evaporator assemblies 700.The wall-hanging air conditioner all-in-one machine can be used for being mounted in kitchen, to drop to kitchen
Temperature.Since kitchen space is usually smaller, and stacked items are more, by the way that air conditioner to be installed on metope, can reduce to kitchen
The occupancy in room space is conducive to rationally utilize space.
When the coolant liquid is water, the water outlet can connect water pipe for kitchen use, to clean for kitchen, thus favorably
In rational utilization of water resources.
The present invention also proposes a kind of control method of condenser assembly, incorporated by reference to reference Fig. 5 to Fig. 9, wherein Fig. 5 to Fig. 9
Show the flow diagram of the control method of condenser assembly of the present invention.The control method of the condenser assembly includes following
Step:
S10 receives recursion instruction, and control water pump starts, so that in the coolant liquid and water storage tank in double-tube heat exchanger
Coolant liquid circulation；
It in the step, is opened by control water pump 300, so that described sleeve pipe heat exchanger 100 is wherein cold in another pipeline
But the coolant liquid in liquid and the water storage tank 200 recycles, and constantly to take away the heat of refrigerant generation, cools down to refrigerant.
S20 receives replacement instruction, and the drain assembly and water inlet component controlled on water storage tank cooperates, described in replacement
Coolant liquid in water storage tank.
Due to higher temperature in described sleeve pipe heat exchanger 100 coolant liquid constantly with the coolant liquid in the water storage tank 200
Mixing, so that the coolant temperature in the water storage tank 200 rises.When coolant temperature rises to preset value in water storage tank 200
It is considered as and receives the replacement instruction, or ought reach preset duration backsight control 300 opening time of water pump is to receive
The replacement instruction, is cooperated at this time by controlling the water inlet component 210 and the drain assembly 220, described in replacement
Coolant liquid in water storage tank 200, and the S10 that continues to repeat the above steps cools down to the refrigerant.
In general, first controlling the drain assembly 220 after receiving replacement instruction and opening, the water storage tank 200 is discharged
It after the coolant liquid of interior higher temperature, then controls the drain assembly 220 and closes, and control the water inlet component 210 and open, with weight
The coolant liquid of new injection lower temperature, finally controls the water inlet component 210 and closes.
Further, before the step S10 further include:
S30 detects the temperature of the outer tube of described sleeve pipe heat exchanger；
When the temperature of the outer tube 120 reaches the first preset temperature, it is considered as and receives the recursion instruction.
At this point, the step S10 specifically:
Step S10 ', when the temperature of the outer tube reaches the first preset temperature, control water pump starting, so that casing changes
Coolant liquid circulation in coolant liquid and water storage tank in hot device；
In the step, after the air conditioner starting up, the coolant liquid in the outer tube 120 changes the refrigerant
Heat drop temperature at the same time detects the temperature of the outer tube 120, specifically can be every prefixed time interval, such as 2-10s
Detection is primary, can also carry out continuing detection.When 120 temperature of outer tube reaches the first preset temperature, it is considered as described in receiving
Recursion instruction.Preferably, first preset temperature is 40-50 DEG C, at this point, coolant temperature is higher in the outer tube 120, is changed
Thermal effect is poor, it is therefore desirable to control the water pump 300 and open, so that coolant liquid and the water storage in the outer tube 120
The coolant liquid of slot 200 is recycled, namely is made in the outer tube 120 in the coolant liquid of higher temperature and the water storage tank 200
The coolant liquid of lower temperature is sufficiently mixed, so that the temperature for back flowing back into the coolant liquid in the outer tube 120 is lower, and
When at a temperature below the first preset temperature, the controller controls the water pump 300 and closes, and is repeated in above-mentioned steps.
Certainly, in other embodiments, it also can control the water pump 300 always on, namely opened when receiving air conditioner
When machine instructs, it is considered as and receives the recursion instruction, control the water pump 300 at this time and open, so that in the outer tube 120
Coolant liquid is recycled with the coolant liquid in the water storage tank 200 always, so can avoid frequently examining 120 temperature of outer tube
It surveys.
Since after the water pump 300 is opened, the coolant liquid of higher temperature constantly takes heat to institute in the outer tube 120
It states in water storage tank 200, so that coolant temperature rises in the water storage tank 200.To avoid coolant liquid temperature in the water storage tank 200
Rise heat exchange that is excessively high and influencing the refrigerant, it is therefore desirable to control the drain assembly 220 and the water inlet component 210 cooperates with
Work, to replace the coolant liquid in the water storage tank 200.Specifically, the draining group can be controlled according to prefixed time interval
Part 220 and the water inlet component 210 cooperate, to replace to the coolant liquid in the water storage tank 200；Alternatively, can also
The drain assembly 220 is controlled according to temperature and the water inlet component 210 cooperates, in the water storage tank 200
Coolant liquid is replaced.For example, in one embodiment, the drain assembly 220 and the water inlet component are controlled according to temperature
210 cooperate.In this embodiment, further, before the step S20 further include:
S40 detects the temperature of coolant liquid in the water storage tank；
When the temperature of coolant liquid in the water storage tank reaches the second preset temperature, it is considered as and receives the replacement instruction.
At this point, the step S20 specifically:
S20 ' controls the draining on water storage tank when the temperature of coolant liquid in the water storage tank reaches the second preset temperature
Component and water inlet component cooperate, to replace the coolant liquid in the water storage tank.
In the step, it is preferable that second preset temperature is 40-50 DEG C.In general, the controller first controls the row
Water assembly 220 is opened, and to be discharged in the water storage tank 200 after the coolant liquid of higher temperature, then is controlled the drain assembly 220 and is closed
It closes, and controls the water inlet component 210 and open, to refill the coolant liquid of lower temperature, finally control the water inlet component
210 close.
When replacing to the coolant liquid in the water storage tank 200, it is default can first to control the opening of drain assembly 220
It is closed again after duration；Alternatively, also can control the drain assembly 220 to open until the liquid level in the water storage tank 200 is high
Degree is closed again after dropping to certain value.Likewise, being closed again after can control the water inlet component 210 to open preset duration
It closes；Alternatively, also can control the water inlet component 210 to open until the liquid level in the water storage tank 200 rises to certain value
It is closed again afterwards.For example, in one embodiment, the step S20 includes:
S21 is instructed according to the replacement, is controlled the drain assembly and is opened；
S22 detects the liquid level in the water storage tank；
S23 controls the drain assembly and closes, and control the water inlet when the liquid level drops to lower limit value
Component is opened；
S24 controls the water inlet component and closes when the liquid level rises to upper limit value.
This controls the drain assembly 220 and the water inlet group by detecting the liquid level in the water storage tank 200
The mode that part 210 cooperates, can be avoided it is excessive towards injection liquid in the water storage tank 200 and the phenomenon that overflow, can also keep away
When exempting from drain, coolant liquid influences heat exchange efficiency by all drained progress next steps not yet in the water storage tank 200
Phenomenon.
Further, the control method of the condenser assembly further include:
S50 calculates shutdown duration when receiving shutdown command；
S60 controls water pump and drain assembly and water inlet on water storage tank when the shutdown duration reaches preset duration
Assembly synergistic work, to replace the coolant liquid in described sleeve pipe heat exchanger and the water storage tank.
In the embodiment, when air conditioner shutdown for a long time when not in use, for prevent in described sleeve pipe heat exchanger 100 with
And coolant liquid in the water storage tank 200 is stood and to breed bacterium smelly for a long time, it is therefore desirable at interval of a period of time to institute
The coolant liquid in double-tube heat exchanger 100 and in the water storage tank 200 is stated to be replaced.In general, when the shutdown duration reaches
Preset duration when such as 10 days, controls the water pump 300 and starts, and controls the drain assembly 220 simultaneously and open, to be discharged
It states in water storage tank 200 and after coolant liquid in described sleeve pipe heat exchanger 100, then controls the drain assembly 220 and close, and control institute
The opening of water inlet component 210 is stated, to refill coolant liquid, the water inlet component 210 is finally controlled and closes.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (14)
1. a kind of condenser assembly is used for air conditioner characterized by comprising
Double-tube heat exchanger, described sleeve pipe heat exchanger include inner and outer tubes, and one of said inner tube and the outer tube are for supplying
Refrigerant circulation, it is another for logical for cooling liquid stream；
Water storage tank is equipped with inlet and outlet, and the water inlet is equipped with water inlet component, and the water outlet is equipped with draining group
Part；
Water inlet pipe is connected to one end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger；
Drainpipe is connected to the other end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger；And
Water pump is set on the water inlet pipe or the drainpipe；
The drainpipe includes the vertically first segment to extension, the lower end of the first segment and the cooling supply of described sleeve pipe heat exchanger
But the logical pipeline connection of liquid stream, the top of the first segment are bent to form second segment downward, the lower end of the second segment with it is described
Water storage tank connection.
2. condenser assembly as described in claim 1, which is characterized in that said inner tube is used to circulate for refrigerant, the outer tube
For logical for cooling liquid stream；The outer tube is equipped with the first temperature sensor for detecting the outer tube temperature；The condensation
Device assembly further includes controller, and the controller and first temperature sensor are electrically connected, for working as the outer tube temperature
When reaching the first preset temperature, controls the water pump and open；And for being lower than first preset temperature when the outer tube temperature
When, it controls the water pump and closes.
3. condenser assembly as claimed in claim 2, which is characterized in that be equipped in the water storage tank for detecting the water storage
The second temperature sensor of coolant temperature in slot, the controller and the second temperature sensor are electrically connected, and are used for
When coolant temperature reaches the second preset temperature in the water storage tank, the drain assembly and water inlet component collaboration are controlled
Work, to replace the coolant liquid in the water storage tank.
4. condenser assembly as claimed in claim 3, which is characterized in that be additionally provided in the water storage tank and the controller electricity
Property connection liquid level sensor；
The controller is used for when coolant temperature reaches the second preset temperature in the water storage tank, controls the drain assembly
It opens, and when the liquid level sensor detects that liquid level drops to lower limit value in the water storage tank, controls the draining
Component is closed；
The controller is also used to control the water inlet component after drain assembly is closed and open, and when the liquid level passes
When sensor detects that liquid level rises to upper limit value in the water storage tank, controls the water inlet component and close.
5. the condenser assembly as described in Claims 1-4 any one, which is characterized in that the water inlet component includes and institute
State water inlet connection the first pipeline and the inlet valve on first pipeline, the drain assembly include with it is described go out
The second pipeline and the drain valve on second pipeline of mouth of a river connection.
6. the condenser assembly as described in Claims 1-4 any one, which is characterized in that the water inlet pipe is close to described interior
The air return end of pipe is arranged, and the drainpipe is arranged close to the inlet end of said inner tube.
7. condenser assembly as described in claim 1, which is characterized in that the condenser assembly further includes battery and control
Device, the battery are used to power in air conditioner shutdown to the controller, water pump, water inlet component and drain assembly,
And when the air conditioner shutdown duration reach preset duration when, the controller for control the water pump, drain assembly and into
Water assembly cooperates, to replace the coolant liquid in described sleeve pipe heat exchanger and the water storage tank.
8. a kind of wall-hanging air conditioner all-in-one machine, which is characterized in that the wall-hanging air conditioner all-in-one machine includes such as claim 1 to 7
Condenser assembly described in any one.
9. a kind of control method of condenser assembly, which is characterized in that the condenser assembly includes:
Double-tube heat exchanger, described sleeve pipe heat exchanger include inner and outer tubes, and one of said inner tube and the outer tube are for supplying
Refrigerant circulation, it is another for logical for cooling liquid stream；
Water storage tank is equipped with inlet and outlet, and the water inlet is equipped with water inlet component, and the water outlet is equipped with draining group
Part；
Water inlet pipe is connected to one end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger；
Drainpipe is connected to the other end of the pipeline logical for cooling liquid stream of the water storage tank and described sleeve pipe heat exchanger, the row
Water pipe includes the vertically first segment to extension, the lower end of the first segment and described sleeve pipe heat exchanger it is logical for cooling liquid stream
Pipeline connection, the top of the first segment are bent to form second segment downward, and the lower end of the second segment is connected to the water storage tank；
And
Water pump is set on the water inlet pipe or the drainpipe；
The control method of the condenser assembly the following steps are included:
Recursion instruction is received, control water pump starts, so that the coolant liquid in the coolant liquid and water storage tank in double-tube heat exchanger is followed
Ring；
Replacement instruction is received, the drain assembly and water inlet component controlled on water storage tank cooperates, to replace in the water storage tank
Coolant liquid.
10. the control method of condenser assembly as claimed in claim 9, which is characterized in that the reception recursion instruction, control
Water pump starts, so that before the step of coolant liquid in the coolant liquid and water storage tank in double-tube heat exchanger recycles further include: inspection
Survey the temperature of the outer tube of described sleeve pipe heat exchanger；
When the temperature of the outer tube reaches the first preset temperature, it is considered as and receives the recursion instruction.
11. the control method of condenser assembly as claimed in claim 9, which is characterized in that refer to when receiving air conditioner booting
When enabling, it is considered as and receives the recursion instruction.
12. the control method of condenser assembly as claimed in claim 9, which is characterized in that the reception replacement instruction, control
Drain assembly on water storage tank and water inlet component cooperate, the step of to replace the coolant liquid in the water storage tank before also wrap
It includes: detecting the temperature of coolant liquid in the water storage tank；
When the temperature of coolant liquid in the water storage tank reaches the second preset temperature, it is considered as and receives the replacement instruction.
13. the control method of condenser assembly as claimed in claim 12, which is characterized in that the reception replacement instruction, control
Drain assembly and water inlet component on water storage tank processed cooperate, and include: the step of the coolant liquid in the water storage tank to replace
It is instructed according to the replacement, controls the drain assembly and open；
Detect the liquid level in the water storage tank；
It when the liquid level drops to lower limit value, controls the drain assembly and closes, and control the water inlet component and open；
When the liquid level rises to upper limit value, controls the water inlet component and close.
14. the control method of the condenser assembly as described in claim 9 to 13 any one, which is characterized in that the condensation
The control method of device assembly further include:
When receiving shutdown command, shutdown duration is calculated；
When the shutdown duration reaches preset duration, water pump and drain assembly and water inlet component collaboration on water storage tank are controlled
Work, to replace the coolant liquid in described sleeve pipe heat exchanger and the water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192163.8A CN106996661B (en) | 2017-03-27 | 2017-03-27 | The control method of condenser assembly, wall-hanging air conditioner all-in-one machine and condenser assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192163.8A CN106996661B (en) | 2017-03-27 | 2017-03-27 | The control method of condenser assembly, wall-hanging air conditioner all-in-one machine and condenser assembly |
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| CN106996661A CN106996661A (en) | 2017-08-01 |
| CN106996661B true CN106996661B (en) | 2019-09-13 |
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| CN110207273B (en) * | 2019-06-14 | 2021-07-30 | 广东美的暖通设备有限公司 | Outdoor heat exchanger, refrigeration system, air conditioner, operation control method and device |
| CN111237885B (en) * | 2020-01-16 | 2021-02-05 | 珠海格力电器股份有限公司 | Window type air conditioner and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005257189A (en) * | 2004-03-12 | 2005-09-22 | Matsushita Electric Ind Co Ltd | Heat exchange device, and heat pump hot-water supply device using the same |
| CN1233958C (en) * | 2001-05-08 | 2005-12-28 | 松下电器产业株式会社 | Water cooled air conditioner |
| JP2006071140A (en) * | 2004-08-31 | 2006-03-16 | Matsushita Electric Ind Co Ltd | Storage type water heater |
| CN101571325A (en) * | 2008-05-02 | 2009-11-04 | 苏国瑞 | Refrigeration system with energy-saving function and running method thereof |
| JP2012137196A (en) * | 2010-12-24 | 2012-07-19 | Noritz Corp | Heat pump type heat source machine |
| CN105805810A (en) * | 2016-04-15 | 2016-07-27 | 烟台大学 | Central heating-heat pump coupled water heater system |
-
2017
- 2017-03-27 CN CN201710192163.8A patent/CN106996661B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233958C (en) * | 2001-05-08 | 2005-12-28 | 松下电器产业株式会社 | Water cooled air conditioner |
| JP2005257189A (en) * | 2004-03-12 | 2005-09-22 | Matsushita Electric Ind Co Ltd | Heat exchange device, and heat pump hot-water supply device using the same |
| JP2006071140A (en) * | 2004-08-31 | 2006-03-16 | Matsushita Electric Ind Co Ltd | Storage type water heater |
| CN101571325A (en) * | 2008-05-02 | 2009-11-04 | 苏国瑞 | Refrigeration system with energy-saving function and running method thereof |
| JP2012137196A (en) * | 2010-12-24 | 2012-07-19 | Noritz Corp | Heat pump type heat source machine |
| CN105805810A (en) * | 2016-04-15 | 2016-07-27 | 烟台大学 | Central heating-heat pump coupled water heater system |
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