CN106352614A - Air conditioner and refrigerant cooling control method for same - Google Patents
Air conditioner and refrigerant cooling control method for same Download PDFInfo
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- CN106352614A CN106352614A CN201610957069.2A CN201610957069A CN106352614A CN 106352614 A CN106352614 A CN 106352614A CN 201610957069 A CN201610957069 A CN 201610957069A CN 106352614 A CN106352614 A CN 106352614A
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- Prior art keywords
- need
- radiate
- electrically
- conditioner
- air
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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
- 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
-
- 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
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
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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
- F25B2700/21—Temperatures
- F25B2700/2106—Temperatures of fresh outdoor air
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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 an air conditioner. The air conditioner comprises an outdoor side heat exchanger, a throttling element and an indoor side heat exchanger, wherein the throttling element is arranged between the outdoor side heat exchanger and the indoor side heat exchanger; a first refrigerant passage is arranged between the throttling element and the indoor side heat exchanger, and a second refrigerant passage is arranged in parallel connection with the first refrigerant passage; a refrigerant cooler for cooling an electrical control assembly needing to be cooled in the air conditioner is arranged on the second refrigerant passage; and an electromagnetic valve for controlling circulation of a refrigerant is arranged at the inlet end of the refrigerant cooler. The invention also discloses a refrigerant cooling control method for the air conditioner. The air conditioner disclosed by the invention can effectively reduce the temperature of the electrical control assembly needing to be cooled in the air conditioner while guaranteeing the refrigeration capability of the air conditioner, so that the safety performance of the air conditioner is improved.
Description
Technical field
The present invention relates to air-conditioner field, more particularly, to a kind of air-conditioner and its coolant cooling control method.
Background technology
Existing air-conditioner, when ambient temperature is higher, compressor needs the higher refrigerating capacity of output, and it is defeated to work as compressor
When the refrigerating capacity that goes out is higher, the electrically-controlled component of air-conditioner is accomplished by exporting higher output, thus leading to electricity in air-conditioner
The rising of control assembly temperature.However, the temperature of the electrically-controlled component of air-conditioner has a highest limit value under normal circumstances, when its temperature
The temperature of electrically-controlled component when spending high, can only be reduced by reducing the method for compressor frequency, to ensure air-conditioner system
Safe operation.
In prior art, in part air-conditioner, it is provided with coolant heat abstractor, this coolant heat abstractor can be effectively ground-to-air
The electrically-controlled component in device is adjusted to be radiated, to lift air-conditioner adaptability under severe conditions.However, in prior art,
Coolant heat abstractor is generally all mounted between outlet and the restricting element of the condenser of air-conditioner, no matter whether ambient temperature
Badly, coolant heat abstractor radiates to the electrically-controlled component needing in air-conditioner to radiate always, and not according in air-conditioner
The actual temperature of the actual temperature of electrically-controlled component and outdoor environment to carry out detailed control to the radiation processes of coolant radiator
System, thus when ambient temperature is very severe, coolant heat abstractor also lowering the temperature to the electrically-controlled component in air-conditioner,
Thus leading to the cold consumption of air-conditioner, the refrigerating capacity of impact air-conditioner system.
Content of the invention
Present invention is primarily targeted at provide a kind of air-conditioner it is intended to ensure air-conditioner refrigerating capacity while, effectively
Ground reduces in air-conditioner needs the temperature of electrically-controlled component that radiates, to improve the security performance of air-conditioner.
To achieve these goals, the present invention provides a kind of air-conditioner, and described air-conditioner includes outdoor heat exchanger, throttling
Element and indoor heat exchanger, described restricting element between described outdoor heat exchanger and described indoor heat exchanger, institute
State and between restricting element and described indoor heat exchanger, be provided with the first refrigerant passage, described first refrigerant passage has also been arranged in parallel
Second refrigerant passage, described second refrigerant passage is provided with one for cold to need radiating electrically-controlled component to be radiated in air-conditioner
Matchmaker's radiator, the entrance point of described coolant radiator is provided with one for controlling the electromagnetic valve of coolant circulation.
Preferably, described coolant radiator needs surface or the underface of radiating electrically-controlled component in described air-conditioner.
Preferably, described air-conditioner also includes passing for the temperature that the described temperature that need to radiate electrically-controlled component is detected
Sensor and being connected with described temperature sensor, in order to the temperature control electromagnetic valve work being detected according to described temperature sensor
The controller of state.
Additionally, for achieving the above object, the present invention also provides a kind of coolant cooling control method of air-conditioner, described air-conditioning
The coolant cooling control method of device comprises the following steps:
During air-conditioner refrigerating operaton, need, in detection air-conditioner, the Current Temperatures of electrically-controlled component that radiate；
According to the Current Temperatures of the described electrically-controlled component that need to radiate detecting, control the electromagnetism of the entrance point of coolant radiator
The on off state of valve, when needing the described electrically-controlled component that need to radiate is radiated, to control coolant to flow through described coolant radiating
Device.
Preferably, the Current Temperatures of the described electrically-controlled component that need to radiate that described basis detects, control coolant radiator
The on off state of the electromagnetic valve of entrance point, when needing the described electrically-controlled component that need to radiate is radiated, to control coolant to flow through
The step of described coolant radiator includes:
When the Current Temperatures of the described electrically-controlled component that need to radiate are more than or equal to preset temperature threshold value, control described electromagnetic valve
Open once every preset time period, to control coolant intermittence to flow through described coolant radiator；Open described electromagnetic valve every time
When a length of first duration；
Judge whether the Current Temperatures of the described electrically-controlled component that need to radiate are less than or equal to preset security temperature；
When the Current Temperatures of the described electrically-controlled component that need to radiate are less than or equal to described preset security temperature, close described electricity
Magnet valve, stops the radiating work to the described electrically-controlled component that need to radiate for the described coolant radiator.
Preferably, the described Current Temperatures when the described electrically-controlled component that need to radiate are less than or equal to described preset security temperature
When, close described electromagnetic valve, after stopping the step to the radiating work of the described electrically-controlled component that need to radiate for the described coolant radiator
Also include:
Record total radiating duration to the described electrically-controlled component that need to radiate for the described coolant radiator；
Judge described total radiating duration whether more than default radiating duration；
When described total radiating duration is more than default radiating duration, treat the described electrically-controlled component that need to radiate is detected next time
When Current Temperatures are more than or equal to preset temperature threshold value, described electromagnetic valve is controlled to open once every preset time period, and by institute
The duration of opening every time stating electromagnetic valve extends to the second duration；Described second duration is more than described first duration.
Preferably, described when described total radiating duration is more than default radiating duration, treat that described need is detected dissipates next time
When the Current Temperatures of hot electrically-controlled component are more than or equal to preset temperature threshold value, described electromagnetic valve is controlled to open every preset time period
Once, and by described electromagnetic valve open the step that duration extends to the second duration every time after also include:
Record extends the prolongation number of times opening duration of described electromagnetic valve；
When described prolongation number of times is more than preset times, treat the current temperature of the described electrically-controlled component that need to radiate is detected next time
When degree is more than or equal to preset temperature threshold value, described electromagnetic valve is controlled to be constantly in open mode, until by the described electricity that need to radiate
The temperature of control assembly is reduced to preset security temperature.
Preferably, described when described prolongation number of times is more than preset times, treat to detect next time described need to radiate automatically controlled
When the Current Temperatures of assembly are more than or equal to preset temperature threshold value, described electromagnetic valve is controlled to be constantly in open mode, until inciting somebody to action
The step that the described temperature that need to radiate electrically-controlled component is reduced to preset security temperature includes:
When described prolongation number of times is more than preset times, treat the current temperature of the described electrically-controlled component that need to radiate is detected next time
When degree is more than or equal to preset temperature threshold value, open described electromagnetic valve；
When described electromagnetic valve persistently open duration be more than or equal to default open duration when, judge described need to radiate automatically controlled
Whether the Current Temperatures of assembly are less than or equal to described preset security temperature；
When the Current Temperatures of the described electrically-controlled component that need to radiate are less than or equal to described preset security temperature, close described electricity
Magnet valve.
Preferably, described preset temperature threshold value is more than or equal to 30 DEG C.
Preferably, described preset security temperature is less than or equal to 20 DEG C.
The present invention provides a kind of air-conditioner, and this air-conditioner includes outdoor heat exchanger, restricting element and indoor heat exchanger,
Described restricting element between described outdoor heat exchanger and described indoor heat exchanger, described restricting element and described interior
It is provided with the first refrigerant passage, described first refrigerant passage has also been arranged in parallel the second refrigerant passage between the heat exchanger of side, described
Two refrigerant passages are provided with one for the coolant radiator needing radiating electrically-controlled component to be radiated in air-conditioner, described coolant dissipates
The entrance point of hot device is provided with one for controlling the electromagnetic valve of coolant circulation.Air-conditioner of the present invention is ensureing air-conditioner refrigerating capacity
Meanwhile, it is capable to be effectively reduced need the temperature of electrically-controlled component that radiates in air-conditioner, thus improve the security performance of air-conditioner.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of air-conditioner one embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the coolant cooling control method first embodiment of air-conditioner of the present invention；
Fig. 3 is the schematic flow sheet of the coolant cooling control method second embodiment of air-conditioner of the present invention；
Fig. 4 is the schematic flow sheet of the coolant cooling control method 3rd embodiment of air-conditioner of the present invention；
Fig. 5 is the schematic flow sheet of the coolant cooling control method fourth embodiment of air-conditioner of the present invention；
Fig. 6 is the schematic flow sheet of coolant cooling control method the 5th embodiment of air-conditioner of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of air-conditioner, and with reference to Fig. 1, in one embodiment, this air-conditioner includes compressor 10, four-way changes
To valve 20, outdoor heat exchanger 30, restricting element 40, indoor heat exchanger 50, gas-liquid separator 60, coolant radiator 70, need
The electrically-controlled component 80 of radiating, electromagnetic valve 90, temperature sensor 100 and controller 110.
Wherein, described restricting element 40 is located between described outdoor heat exchanger 30 and described indoor heat exchanger 50, institute
State and between restricting element 40 and described indoor heat exchanger 50, be provided with the first refrigerant passage a, described first refrigerant passage a is also in parallel
Be provided with the second refrigerant passage b, described second refrigerant passage b be provided with one for need in air-conditioner radiate electrically-controlled component 80 enter
The coolant radiator 70 of row radiating, the entrance point of described coolant radiator 70 is provided with one for controlling the electromagnetic valve of coolant circulation
90.
Embodiment of the present invention air-conditioner, in order that described coolant radiator 70 is more effectively to the described electrically-controlled component that need to radiate
80 are radiated, and coolant radiator 70 is arranged at surface or the underface of the described electrically-controlled component 80 that need to radiate by the present embodiment.
Further, in the present embodiment, temperature sensor 100 is at the described electrically-controlled component 80 that need to radiate, for right
The described temperature that need to radiate electrically-controlled component 80 is detected；Described controller 110 is connected with described temperature sensor 100, in order to
Temperature control electromagnetic valve 90 working condition being detected according to described temperature sensor 100.
Specifically, in the present embodiment, the detection input of described controller 110 is connected with described temperature sensor 100, institute
The control output end stating controller 110 is connected with the control end of described electromagnetic valve 90.In the present embodiment, described controller 110
According to the Current Temperatures of the described electrically-controlled component 80 that need to radiate detected by temperature sensor 100, control coolant cold described second
Circulation on matchmaker passage b, to radiate to the described electrically-controlled component 80 that need to radiate.Specifically, described controller 110 is according to described
The Current Temperatures of the described electrically-controlled component 80 that need to radiate detected by temperature sensor 100, export corresponding control signal to institute
State the control end of the described electromagnetic valve 90 of the entrance point of coolant radiator 70, to control the on off state of described electromagnetic valve 90, with
When needing the described electrically-controlled component 80 that need to radiate is radiated, coolant is controlled to flow through described coolant radiator 70.
Controller 110 in embodiment of the present invention air-conditioner can be according to the current temperature of the described electrically-controlled component 80 that need to radiate
Degree, controls whether coolant flows through described coolant radiator 70, when the described electrically-controlled component 80 that need to radiate needs radiating, described control
Device 110 controls coolant to flow through described coolant radiator 70, and the described electrically-controlled component 80 that need to radiate is radiated；Need to radiate when described
When electrically-controlled component 80 does not need radiating, described controller 110 controls coolant to be not passed through described coolant radiator 70, allows coolant in institute
State the first refrigerant passage a circulation.Embodiment of the present invention air-conditioner, while ensureing air-conditioner refrigerating capacity, can drop effectively
The temperature of electrically-controlled component that radiates is needed, thus improve the security performance of air-conditioner in low air-conditioner.
The present invention also provides a kind of coolant cooling control method of air-conditioner.With reference to Fig. 2, in one embodiment, this air-conditioning
The coolant cooling control method of device comprises the following steps:
Step s10, during air-conditioner refrigerating operaton, needs, in detection air-conditioner, the Current Temperatures of electrically-controlled component that radiate；
The coolant cooling control method of this air-conditioner provided in an embodiment of the present invention is mainly used in the radiating control of air-conditioner
In system processed, during for air-conditioner refrigerating operaton, while ensureing the refrigerating capacity of air-conditioner, air-conditioning can be effectively reduced
The temperature of electrically-controlled component that radiates is needed, to improve the security performance of air-conditioner in device.In the present embodiment, in order to be effectively reduced sky
Adjust and in device, need the temperature of electrically-controlled component that radiates, the coolant cooling control method of this air-conditioner, when being air-conditioner refrigerating operaton first,
Need, in detection air-conditioner, the Current Temperatures t1 of electrically-controlled component that radiates.
Specifically, taking the structure of air-conditioner shown in Fig. 1 as a example, in the present embodiment, the need in air-conditioner radiate automatically controlled group
At part 80, temperature sensor 100 is set, for detecting the Current Temperatures t1 of the described electrically-controlled component 80 that need to radiate.When air-conditioner refrigeration
During operation, described temperature sensor 100 is entered to the Current Temperatures t1 of the described electrically-controlled component 80 that need to radiate according to default detection cycle
Row detection.Above-mentioned default detection cycle can be set according to practical situation.
Step s20, according to the Current Temperatures of the described electrically-controlled component that need to radiate detecting, controls the import of coolant radiator
The on off state of the electromagnetic valve at end, when needing the described electrically-controlled component that need to radiate is radiated, to control coolant to flow through described
Coolant radiator.
In the present embodiment, in air-conditioner refrigerating operaton, described controller 110 detects according to described temperature sensor 100
To air-conditioner in need the Current Temperatures t1 of electrically-controlled component 80 that radiates, control the electromagnetic valve 90 of entrance point of coolant radiator 70
On off state, when needing the described electrically-controlled component 80 that need to radiate is radiated, to control coolant to flow through described coolant radiator
70 (control coolant to flow through described second refrigerant passage b), the described electrically-controlled component 80 that need to radiate are radiated.
The coolant cooling control method of embodiment of the present invention air-conditioner, described controller 110 according to need in air-conditioner radiate
The Current Temperatures t1 of electrically-controlled component 80, controls the circulation of coolant, so that coolant flows through described coolant radiator 70.The present invention is implemented
The coolant cooling control method of example air-conditioner can be effectively reduced in air-conditioner on the basis of ensureing air-conditioner refrigerating capacity
Need to be radiated the temperature of electrically-controlled component, thus improve the security performance of air-conditioner.
Further, with reference to Fig. 3, based on the coolant cooling control method first embodiment of air-conditioner of the present invention, at this
In the coolant cooling control method second embodiment of bright air-conditioner, above-mentioned steps s20 include:
Step s21, when the Current Temperatures of the described electrically-controlled component that need to radiate are more than or equal to preset temperature threshold value, controls institute
State electromagnetic valve to open once every preset time period, to control coolant intermittence to flow through described coolant radiator；Open institute every time
State when a length of first duration of electromagnetic valve；
Step s22, judges whether the Current Temperatures of the described electrically-controlled component that need to radiate are less than or equal to preset security temperature；
Step s23, when the Current Temperatures of the described electrically-controlled component that need to radiate are less than or equal to described preset security temperature, closes
Close described electromagnetic valve, stop the radiating work to the described electrically-controlled component that need to radiate for the described coolant radiator.
Specifically, taking the structure of air-conditioner shown in Fig. 1 as a example, in the present embodiment, when described temperature sensor 100 detects
When the Current Temperatures t1 of the described electrically-controlled component 80 that need to radiate is more than or equal to preset temperature threshold value t0, described controller 110 exports
The control end of corresponding control signal extremely described electromagnetic valve 90, to control described electromagnetic valve 90 to open one every preset time period td
Secondary, that is, control coolant intermittence to flow through described second refrigerant passage b, namely described controller 110 controls having a rest property of coolant to flow through institute
State coolant radiator 70, to radiate to the described electrically-controlled component 80 that need to radiate, and described controller 110 controls and opens institute every time
State when a length of first duration t1 of electromagnetic valve 90.
The value model of the span of above-mentioned preset temperature threshold value t0, described preset time period td and described first duration t1
Enclose and can be set according to practical situation, in the present embodiment, the span of described preset temperature threshold value t0 be more than or wait
In 30 DEG C, the span of described preset time period td is less than or equal to 2 minutes, and the span of described first duration t1 is
More than 4 minutes.Preferably, in the present embodiment, described preset temperature threshold value t0 is 30 DEG C, and described preset time period td is 1.5 points
Clock, described first duration t1 is 5 minutes.I.e. in the present embodiment, when described temperature sensor 100 detect described need to radiate automatically controlled
When the Current Temperatures t1 of assembly 80 is more than or equal to 30 DEG C, described controller 110 exports corresponding control signal to described coolant
The control end of the described electromagnetic valve 90 of the entrance point of radiator 70, to control described electromagnetic valve 90 to open once every 1.5 minutes,
Control coolant to circulate once on described coolant radiator 70 every 1.5 minutes, and described controller 110 controls and opens every time
Described electromagnetic valve 90 when a length of 5 minutes.I.e. in the present embodiment, when the Current Temperatures t1 of the described electrically-controlled component 80 that need to radiate is more than
Or when being equal to 30 DEG C, described controller 110 controls described coolant radiator 70 every 1.5 minutes to the described electrically-controlled component that need to radiate
80 carry out radiating once, and a length of 5 minutes during each radiating.In radiation processes, described controller 110 also judge described need radiate
Whether the Current Temperatures t1 of electrically-controlled component 80 is less than or equal to preset security temperature t2, when working as of the described electrically-controlled component 80 that need to radiate
When front temperature t1 is less than or equal to described preset security temperature t2, it is extremely described that described controller 110 exports corresponding control signal
The control end of electromagnetic valve 90, closes described electromagnetic valve 90, stops described coolant radiator 70 to the described electrically-controlled component 80 that need to radiate
Radiating work.
In the present embodiment, the span of above-mentioned preset security temperature t2 can be set according to practical situation, this reality
Apply in example it is preferable that described preset security temperature t2 is less than or equal to 20 DEG C.I.e. in the present embodiment, when the described electricity that need to radiate
When the Current Temperatures t1 of control assembly 80 is less than or equal to 20 DEG C, described controller 110 exports corresponding control signal to described electricity
The control end of magnet valve 90, closes described electromagnetic valve 90, stops described coolant radiator 70 to the described electrically-controlled component 80 that need to radiate
Radiating work.
The coolant cooling control method of embodiment of the present invention air-conditioner, when the Current Temperatures of the described electrically-controlled component 80 that need to radiate
When t1 is more than or equal to preset temperature threshold value t0, described controller 110 controls described electromagnetic valve 90 to beat every preset time period td
Open once, to control coolant intermittence to flow through described coolant radiator 70；Open every time described electromagnetic valve 90 when a length of first
Duration t1；During described coolant radiator 70 radiates to the described electrically-controlled component 80 that need to radiate, described controller 110 is sentenced
Whether the Current Temperatures t1 of the disconnected described electrically-controlled component 80 that need to radiate is less than or equal to preset security temperature t2；When the described electricity that need to radiate
When the Current Temperatures t1 of control assembly 80 is less than or equal to described preset security temperature t2, close described electromagnetic valve 90, stop described
The radiating work to the described electrically-controlled component 80 that need to radiate for the coolant radiator 70.The coolant radiating control of embodiment of the present invention air-conditioner
While method can need the temperature of radiating electrically-controlled component to improve air-conditioner security performance in being effectively reduced air-conditioner, more
The refrigerating capacity of good guarantee air-conditioner.
Further, with reference to Fig. 4, based on the coolant cooling control method second embodiment of air-conditioner of the present invention, at this
In the coolant cooling control method 3rd embodiment of bright air-conditioner, also include after above-mentioned steps s23:
Step s30, records total radiating duration to the described electrically-controlled component that need to radiate for the described coolant radiator；
Whether step s40, judge described total radiating duration more than default radiating duration；
Step s50, when described total radiating duration is more than default radiating duration, treats the described electricity that need to radiate is detected next time
When the Current Temperatures of control assembly are more than or equal to preset temperature threshold value, described electromagnetic valve is controlled to open one every preset time period
Secondary, and the duration of opening every time of described electromagnetic valve is extended to the second duration；Described second duration is more than described first duration.
Specifically, taking the structure of air-conditioner shown in Fig. 1 as a example, in the present embodiment, when described coolant radiator 70 stop right
After the radiating work of the described electrically-controlled component 80 that need to radiate, described controller 110 records described coolant radiator 70 to described need
Total radiating duration tz of radiating electrically-controlled component 80, and judge whether described total radiating duration tz is more than default radiating duration ty1, when
Described controller 110 determines described coolant radiator 70 and is more than institute to total radiating duration tz of the described electrically-controlled component 80 that need to radiate
When stating default radiating duration ty1, treat that described temperature sensor 100 detects described the current of electrically-controlled component 80 of need to radiating next time
When temperature t1 is more than or equal to preset temperature threshold value t0, described controller 110 controls described electromagnetic valve 90 every preset time period
Td opens once, and the duration of opening every time of described electromagnetic valve 90 is extended to the second duration t2；Described second duration t2 is more than
Described first duration t1.
The span of the span of above-mentioned default radiating duration ty1 and above-mentioned second duration t2 can be according to actual feelings
Condition is set, it is preferable that described default radiating duration ty1 is 30 minutes in the present embodiment, described second duration t2 is 7 points
Clock.I.e. in the present embodiment, when described coolant radiator 70 is more than 30 to total radiating duration tz of the described electrically-controlled component 80 that need to radiate
Minute when, treat described temperature sensor 100 detect next time the described electrically-controlled component 80 that need to radiate Current Temperatures t1 be more than or
During equal to preset temperature threshold value t0, described controller 110 controls the time that described electromagnetic valve 90 is opened every time real above-mentioned second
Extend 2 minutes again on the basis of applying example (described electromagnetic valve 90 open every time when a length of 5 minutes).
The coolant cooling control method of embodiment of the present invention air-conditioner, while ensureing the refrigerating capacity of air-conditioner, energy
Enough more effectively reduction in air-conditioner needs the temperature of electrically-controlled component that radiates, to improve air-conditioner security performance.
Further, with reference to Fig. 5, based on the coolant cooling control method 3rd embodiment of air-conditioner of the present invention, at this
In the coolant cooling control method fourth embodiment of bright air-conditioner, also include after above-mentioned steps s50:
Step s60, record extends the prolongation number of times opening duration of described electromagnetic valve；
Step s70, when described prolongation number of times is more than preset times, treats the described electrically-controlled component that need to radiate is detected next time
Current Temperatures t1 when being more than or equal to preset temperature threshold value, control described electromagnetic valve to be constantly in open mode, until by institute
The temperature stating the electrically-controlled component that need to radiate is reduced to preset security temperature.
Specifically, taking the structure of air-conditioner shown in Fig. 1 as a example, in the present embodiment, control described electricity in described controller 110
Magnet valve 90 open after duration extends to the second duration t2 every time, described controller 110 record extends described electromagnetic valve 90
Open the prolongation frequency n of duration, when described prolongation frequency n is more than preset times n1, treat to detect described needs to radiate next time
When the Current Temperatures t1 of electrically-controlled component 80 is more than or equal to preset temperature threshold value t0, described controller 110 controls described electromagnetic valve
90 are constantly in open mode, that is, control coolant to circulate on described second refrigerant passage b always, described coolant radiator 70 1
Directly the described electrically-controlled component 80 that need to radiate is radiated, until the described temperature that need to radiate electrically-controlled component 80 is reduced to default peace
Total temperature t2.The span of above-mentioned preset times n1 can be set according to practical situation, in the present embodiment it is preferable that
Described preset times n1 are 5 times.
The coolant cooling control method of embodiment of the present invention air-conditioner, when described prolongation frequency n is more than preset times n1,
When the Current Temperatures t1 of the described electrically-controlled component that need to radiate is detected more than or equal to preset temperature threshold value t0 next time, described control
Device 110 processed controls described electromagnetic valve 90 to be constantly in open mode, until described coolant radiator 70 by described need to radiate automatically controlled
The temperature of assembly 80 is reduced to preset security temperature t2.The coolant cooling control method of embodiment of the present invention air-conditioner is ensureing sky
While the refrigerating capacity of tune device, can quickly reduce and in air-conditioner, need the temperature of electrically-controlled component that radiates, to improve air-conditioner peace
Full performance.
Further, with reference to Fig. 6, based on the coolant cooling control method fourth embodiment of air-conditioner of the present invention, at this
In coolant cooling control method the 5th embodiment of bright air-conditioner, above-mentioned steps s70 include:
Step s71, when described prolongation number of times is more than preset times, treats the described electrically-controlled component that need to radiate is detected next time
Current Temperatures be more than or equal to preset temperature threshold value when, open described electromagnetic valve；
Step s72, when described electromagnetic valve persistently open duration be more than or equal to default open duration when, judge described need
Whether the Current Temperatures of radiating electrically-controlled component are less than or equal to described preset security temperature；
Step s73, when the Current Temperatures of the described electrically-controlled component that need to radiate are less than or equal to described preset security temperature, closes
Close described electromagnetic valve.
Specifically, taking the structure of air-conditioner shown in Fig. 1 as a example, the coolant radiating control side of embodiment of the present invention air-conditioner
Method, when described controller 110 determine described prolongation frequency n be more than preset times n1 when, treat described temperature sensor 100 next
When the secondary Current Temperatures t1 described electrically-controlled component 80 that need to radiate is detected is more than or equal to preset temperature threshold value t0, described controller
110 export corresponding control signal to the control end of described electromagnetic valve 90, open described electromagnetic valve 90, and work as described electromagnetic valve 90
Duration of persistently opening be more than or equal to default when opening duration ty2, judge the Current Temperatures of the described electrically-controlled component 80 that need to radiate
Whether t1 is less than or equal to described preset security temperature t2；When the Current Temperatures t1 of the described electrically-controlled component 80 that need to radiate is less than or waits
When described preset security temperature t2, close described electromagnetic valve 90.The above-mentioned default span opening duration ty2 can basis
Practical situation is set, it is preferable that the described default duration ty2 that opens is 15 minutes in the present embodiment.
The coolant cooling control method of embodiment of the present invention air-conditioner, can be more while ensureing the refrigerating capacity of air-conditioner
Reduce soon and in air-conditioner, need the temperature of electrically-controlled component that radiates, to improve air-conditioner security performance.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of air-conditioner is it is characterised in that described air-conditioner includes outdoor heat exchanger, restricting element and indoor heat exchange
Device, described restricting element between described outdoor heat exchanger and described indoor heat exchanger, described restricting element with described
It is provided with the first refrigerant passage, described first refrigerant passage has also been arranged in parallel the second refrigerant passage, institute between indoor heat exchanger
State the second refrigerant passage and be provided with one for the coolant radiator needing radiating electrically-controlled component to be radiated in air-conditioner, described cold
The entrance point of matchmaker's radiator is provided with one for controlling the electromagnetic valve of coolant circulation.
2. air-conditioner as claimed in claim 2 is it is characterised in that described coolant radiator needs to radiate in described air-conditioner
The surface of electrically-controlled component or underface.
3. air-conditioner as claimed in claim 1 or 2 is it is characterised in that described air-conditioner is also included for needing to radiate to described
Temperature sensor that the temperature of electrically-controlled component is detected and being connected with described temperature sensor, in order to be passed according to described temperature
The controller of the temperature control electromagnetic valve work state that sensor detects.
4. a kind of coolant cooling control method of air-conditioner is it is characterised in that the coolant cooling control method bag of described air-conditioner
Include following steps:
During air-conditioner refrigerating operaton, need, in detection air-conditioner, the Current Temperatures of electrically-controlled component that radiate；
According to the Current Temperatures of the described electrically-controlled component that need to radiate detecting, control the electromagnetic valve of entrance point of coolant radiator
On off state, when needing the described electrically-controlled component that need to radiate is radiated, to control coolant to flow through described coolant radiator.
5. the coolant cooling control method of air-conditioner as claimed in claim 4 is it is characterised in that the institute that detects of described basis
State the Current Temperatures of the electrically-controlled component that need to radiate, control the on off state of the electromagnetic valve of entrance point of coolant radiator, to need
When the described electrically-controlled component that need to radiate is radiated, the step that coolant flows through described coolant radiator is controlled to include:
When the described electrically-controlled component that need to radiate Current Temperatures be more than or equal to preset temperature threshold value when, control described electromagnetic valve every
Preset time period is opened once, to control coolant intermittence to flow through described coolant radiator；Open every time described electromagnetic valve when
A length of first duration；
Judge whether the Current Temperatures of the described electrically-controlled component that need to radiate are less than or equal to preset security temperature；
When the Current Temperatures of the described electrically-controlled component that need to radiate are less than or equal to described preset security temperature, close described electromagnetism
Valve, stops the radiating work to the described electrically-controlled component that need to radiate for the described coolant radiator.
6. air-conditioner as claimed in claim 5 coolant cooling control method it is characterised in that described when the described electricity that need to radiate
When the Current Temperatures of control assembly are less than or equal to described preset security temperature, close described electromagnetic valve, stop described coolant radiating
Device also includes after the step to the radiating work of the described electrically-controlled component that need to radiate:
Record total radiating duration to the described electrically-controlled component that need to radiate for the described coolant radiator；
Judge described total radiating duration whether more than default radiating duration；
When described total radiating duration is more than default radiating duration, treat described the current of electrically-controlled component of need to radiating is detected next time
When temperature is more than or equal to preset temperature threshold value, described electromagnetic valve is controlled to open once every preset time period, and by described electricity
The duration of opening every time of magnet valve extends to the second duration；Described second duration is more than described first duration.
7. air-conditioner as claimed in claim 6 coolant cooling control method it is characterised in that described when described total radiating
When length is more than default radiating duration, treats that the Current Temperatures described electrically-controlled component that need to radiate next time is detected are more than or equal to and preset
During temperature threshold, control described electromagnetic valve to open once every preset time period, and described electromagnetic valve opened duration every time
Also include after the step extending to the second duration:
Record extends the prolongation number of times opening duration of described electromagnetic valve；
When described prolongation number of times is more than preset times, treat that the Current Temperatures described electrically-controlled component that need to radiate next time is detected are big
In or be equal to preset temperature threshold value when, control described electromagnetic valve be constantly in open mode, until automatically controlled group need to be radiated by described
The temperature of part is reduced to preset security temperature.
8. air-conditioner as claimed in claim 7 coolant cooling control method it is characterised in that described when described prolongation number of times
During more than preset times, treat that the Current Temperatures described electrically-controlled component that need to radiate next time is detected are more than or equal to preset temperature threshold
During value, described electromagnetic valve is controlled to be constantly in open mode, default until being reduced to the described temperature that need to radiate electrically-controlled component
The step of safe temperature includes:
When described prolongation number of times is more than preset times, treat that the Current Temperatures described electrically-controlled component that need to radiate next time is detected are big
In or be equal to preset temperature threshold value when, open described electromagnetic valve；
When described electromagnetic valve persistently open duration be more than or equal to default open duration when, judge the described electrically-controlled component that need to radiate
Current Temperatures whether be less than or equal to described preset security temperature；
When the Current Temperatures of the described electrically-controlled component that need to radiate are less than or equal to described preset security temperature, close described electromagnetism
Valve.
9. the coolant cooling control method of the air-conditioner as any one of claim 4 to 8 is it is characterised in that described pre-
If temperature threshold is more than or equal to 30 DEG C.
10. the coolant cooling control method of the air-conditioner as any one of claim 5 to 8 is it is characterised in that described pre-
If safe temperature is less than or equal to 20 DEG C.
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| CN201610957069.2A CN106352614B (en) | 2016-11-03 | 2016-11-03 | Air conditioner and its refrigerant cooling control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949568A (en) * | 2017-03-29 | 2017-07-14 | 广东美的暖通设备有限公司 | The automatically controlled anti-condensation control method of air-conditioner coolant radiating and device |
| CN107490090A (en) * | 2017-09-27 | 2017-12-19 | 广东美的暖通设备有限公司 | Air conditioner |
| CN109323362A (en) * | 2018-09-30 | 2019-02-12 | 广东美的制冷设备有限公司 | Processing method, processing system and the air conditioner of secondary refrigerant leakage failure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130199225A1 (en) * | 2012-02-07 | 2013-08-08 | Deonghyuk LEE | Air conditioner for electric vehicle |
| CN203964447U (en) * | 2014-06-16 | 2014-11-26 | 广东美的暖通设备有限公司 | Heat pump |
| CN104748255A (en) * | 2015-03-30 | 2015-07-01 | 广东美的制冷设备有限公司 | Air-conditioner |
| CN105091258A (en) * | 2014-05-23 | 2015-11-25 | 广东美的暖通设备有限公司 | Air conditioner and cooling control method thereof |
| CN105157127A (en) * | 2015-06-30 | 2015-12-16 | 广东美的制冷设备有限公司 | Cooling system and method for electric control unit of air conditioner |
| CN105402961A (en) * | 2015-12-21 | 2016-03-16 | 美的集团武汉制冷设备有限公司 | Air conditioner and control method thereof |
| CN105783195A (en) * | 2016-04-15 | 2016-07-20 | 广东美的暖通设备有限公司 | Air conditioner electric-control cooling device, air conditioner and air conditioner electric-control cooling method |
-
2016
- 2016-11-03 CN CN201610957069.2A patent/CN106352614B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130199225A1 (en) * | 2012-02-07 | 2013-08-08 | Deonghyuk LEE | Air conditioner for electric vehicle |
| CN105091258A (en) * | 2014-05-23 | 2015-11-25 | 广东美的暖通设备有限公司 | Air conditioner and cooling control method thereof |
| CN203964447U (en) * | 2014-06-16 | 2014-11-26 | 广东美的暖通设备有限公司 | Heat pump |
| CN104748255A (en) * | 2015-03-30 | 2015-07-01 | 广东美的制冷设备有限公司 | Air-conditioner |
| CN105157127A (en) * | 2015-06-30 | 2015-12-16 | 广东美的制冷设备有限公司 | Cooling system and method for electric control unit of air conditioner |
| CN105402961A (en) * | 2015-12-21 | 2016-03-16 | 美的集团武汉制冷设备有限公司 | Air conditioner and control method thereof |
| CN105783195A (en) * | 2016-04-15 | 2016-07-20 | 广东美的暖通设备有限公司 | Air conditioner electric-control cooling device, air conditioner and air conditioner electric-control cooling method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949568A (en) * | 2017-03-29 | 2017-07-14 | 广东美的暖通设备有限公司 | The automatically controlled anti-condensation control method of air-conditioner coolant radiating and device |
| CN107490090A (en) * | 2017-09-27 | 2017-12-19 | 广东美的暖通设备有限公司 | Air conditioner |
| CN107490090B (en) * | 2017-09-27 | 2020-08-04 | 广东美的暖通设备有限公司 | Air conditioner |
| CN109323362A (en) * | 2018-09-30 | 2019-02-12 | 广东美的制冷设备有限公司 | Processing method, processing system and the air conditioner of secondary refrigerant leakage failure |
| CN109323362B (en) * | 2018-09-30 | 2022-02-25 | 广东美的制冷设备有限公司 | Refrigerant leakage fault processing method and system and air conditioner |
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|---|---|
| CN106352614B (en) | 2019-04-19 |
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