CN106288544A - Air-conditioner and control method thereof - Google Patents
Air-conditioner and control method thereof Download PDFInfo
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- CN106288544A CN106288544A CN201610693369.4A CN201610693369A CN106288544A CN 106288544 A CN106288544 A CN 106288544A CN 201610693369 A CN201610693369 A CN 201610693369A CN 106288544 A CN106288544 A CN 106288544A
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- vaporizer
- air
- conditioner
- electromagnetic valve
- coil temperature
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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
- F25B41/30—Expansion means; Dispositions thereof
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
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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
- F25B49/00—Arrangement or mounting of control or safety devices
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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
- F25B2600/00—Control issues
- F25B2600/01—Timing
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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
- F25B2700/2117—Temperatures of an evaporator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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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 provides a kind of air-conditioner and control method thereof, wherein, air-conditioner includes: compressor, condenser, throttling arrangement, vaporizer and the gas-liquid separator connected by pipeline, also include: bye-pass, one end is connected on the pipeline between throttling arrangement and vaporizer, the other end is connected on the pipeline between vaporizer and gas-liquid separator, and bye-pass is provided with the electromagnetic valve for controlling bye-pass break-make；Controller is used for the coil temperature according to vaporizer and pre-set threshold value after start refrigerating operaton, controls the opening and closing of electromagnetic valve.The air-conditioner that the present invention provides; when the coil temperature of vaporizer is relatively low; open by controlling electromagnetic valve; the part coolant in air conditioning system is made directly to flow in gas-liquid separator by bye-pass without vaporizer; thus in the case of off-premises station is non-stop-machine; improve the temperature of vaporizer, solve the ice formation issues of vaporizer, and solve the problem that fluctuations in indoor temperature affects relatively greatly air-supply comfortableness.
Description
Technical field
The present invention relates to air-conditioning technical field, more specifically, relate to a kind of air-conditioner and the controlling party of a kind of air-conditioner
Method.
Background technology
Existing air-conditioner, when running under indoor low temperature environment, owing to evaporating temperature is low, indoor heat exchange is insufficient, leads
There is icing phenomenon in induced evaporation device, thus cause leak, the problem such as condensation, affect user and use.
Existing solution is, by detecting the temperature of evaporator coil, when coil temperature is certain less than freezing temperature
Stop off-premises station operating after time, but above-mentioned solution can cause fluctuations in indoor temperature relatively big, affects the comfortable of air-conditioner
Property.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art.
To this end, the purpose of one aspect of the present invention is, it is provided that a kind of air-conditioner.
The purpose of another aspect of the present invention is, it is provided that the control method of a kind of air-conditioner.
For achieving the above object, the embodiment of one aspect of the present invention provides a kind of air-conditioner, including passing through pipeline
Compressor, condenser, throttling arrangement, vaporizer and the gas-liquid separator connected, also includes: bye-pass, and one end is connected to described
On pipeline between throttling arrangement and described vaporizer, the other end is connected between described vaporizer and described gas-liquid separator
On pipeline, described bye-pass is provided with the electromagnetic valve for controlling described bye-pass break-make；Temperature sensor, at described sky
After adjusting device start refrigerating operaton, detect the coil temperature of described vaporizer；And controller, respectively with described electromagnetic valve and described temperature
Degree sensor electrical connection, for coil temperature and the pre-set threshold value of the described vaporizer according to detection, controls described electromagnetic valve
Opening and closing.
The air-conditioner that the above embodiment of the present invention provides, by increasing electromagnetism between throttling arrangement and gas-liquid separator
Valve, and control the break-make of electromagnetic valve according to the coil temperature of the vaporizer of detection, specifically, when the coil temperature of vaporizer
Time relatively low, there is the possibility that evaporation is incomplete, be easily caused vaporizer freezes in the coolant in evaporator coil, now by controlling electricity
Magnet valve is opened, and makes the part coolant in air conditioning system directly flow in gas-liquid separator by bye-pass without vaporizer,
Thus greatly reduce entrance vaporizer and carry out the coolant quantity of heat exchange, it is simple to a small amount of coolant entered in vaporizer fully changes
Heat, thus improve the temperature of vaporizer, effectively realizes control anti-freeze to air-conditioner low temperature, i.e. air-conditioner off-premises station not
In the case of shutdown, solve the ice formation issues of vaporizer, thus avoid the larger fluctuation of indoor temperature and because of indoor temperature
Larger fluctuation and affect the problem of air-conditioning comfortableness, improve Consumer's Experience effect.
It addition, the air-conditioner that the above embodiment of the present invention provides also has a following additional technical feature:
In technique scheme, it is preferable that described air-conditioner also includes: timer, electrically connect with described controller, use
The duration of the first preset value it is not higher than in the coil temperature recording described vaporizer；Described controller is in described evaporation
When the coil temperature of device the not higher than first preset value and duration reach the first preset duration, control described electromagnetic valve and open.
In this technical scheme, when the coil temperature of vaporizer reaches less than or equal to the first preset value and duration
During the first preset duration, vaporizer may be caused to freeze, by reasonable set the first preset value and the first preset duration, reach
While preventing vaporizer from freezing, it is to avoid controlled by single temperature and cause the problem of the frequent opening and closing of electromagnetic valve, improve
The stationarity of air-conditioner work.
In technique scheme, it is preferable that described timer is additionally operable to, after controlling described electromagnetic valve and opening, note
Record the coil temperature duration higher than the second preset value of described vaporizer；Described controller is additionally operable to, at described vaporizer
Coil temperature when reaching the second preset duration higher than the second preset value and duration, control described closed electromagnetic valve.
In this technical scheme, when, by the way of opening electromagnetic valve, making the coil temperature of vaporizer be increased to second pre-
If be worth and continue the second preset duration, completely, there is not the problem that vaporizer freezes in the refrigerant evaporation in evaporator coil,
Now control closed electromagnetic valve, make the coolant in air conditioning system be not directly over vaporizer by bye-pass and carry out heat exchange, from
And be greatly improved and carry out the coolant quantity of heat exchange with room air, improve the refrigerating efficiency of air-conditioner, it is ensured that air-conditioner
Properly functioning.
In technique scheme, it is preferable that described first preset value is 0 DEG C～2 DEG C, and described second preset value is 7 DEG C
～15 DEG C, described first preset duration is 3min～8min, and described second preset duration is 3min～5min.
In this technical scheme, pre-by reasonable set the first preset value, the second preset value, the first preset duration and second
If duration, it is possible in time air-conditioner is carried out when vaporizer exists risk of icing the anti-freeze control of low temperature, and avoids presetting temperature
Degree setting is unreasonable or preset duration sets problem that is too short and that cause the frequent opening and closing of electromagnetic valve；Certainly, described first preset
Value, the second preset value, the first preset duration and the second preset duration are not limited to above-mentioned concrete scope, can be according to the operation of air-conditioner
The parameters such as frequency carry out reasonable set.
The embodiment of another aspect of the present invention provides the control method of a kind of air-conditioner, is used for controlling any of the above-described
Air-conditioner described in Xiang, described control method includes: after described air-conditioner start refrigerating operaton, the coil pipe temperature of detection vaporizer
Degree；The coil temperature of the described vaporizer according to detection and pre-set threshold value, control the opening and closing of electromagnetic valve.
The control method of the air-conditioner that the above embodiment of the present invention provides, controls according to the coil temperature of the vaporizer of detection
The break-make of electromagnetic valve processed, specifically, when the coil temperature of vaporizer is relatively low, there is evaporation not in the coolant in evaporator coil
Completely, be easily caused the possibility that vaporizer freezes, open now by controlling electromagnetic valve, make part coolant in air conditioning system without
Pervaporation device and directly flowed in gas-liquid separator by bye-pass, thus greatly reduce entrance vaporizer and carry out the cold of heat exchange
Matchmaker measures, it is simple to a small amount of coolant entered in vaporizer carries out abundant heat exchange, thus improves the temperature of vaporizer, and it is right effectively to realize
The anti-freeze control of air-conditioner low temperature, i.e. in the case of the off-premises station of air-conditioner is non-stop-machine, solves the ice formation issues of vaporizer,
Thus avoid the larger fluctuation of indoor temperature and affect the problem of air-conditioning comfortableness because of indoor temperature larger fluctuation,
Improve Consumer's Experience effect.
It addition, the control method of air-conditioner that the above embodiment of the present invention provides also has a following additional technical feature:
In technique scheme, it is preferable that coil temperature and pre-set threshold value according to the described vaporizer detected control
The opening and closing of electromagnetic valve, specifically includes: judge that whether the coil temperature of described vaporizer of detection is higher than the first preset value；If it is described
The coil temperature of vaporizer is higher than described first preset value, then control described electromagnetic valve and be not switched on, and described air-conditioner remains current
Running status；If the coil temperature of described vaporizer the not higher than first preset value and duration reach the first preset duration, then
Control described electromagnetic valve to open.
In technique scheme, it is preferable that after controlling described electromagnetic valve and opening, also include: judge the institute of detection
Whether state the coil temperature of vaporizer higher than the second preset value；If the coil temperature of described vaporizer is not higher than the second preset value,
Then control described electromagnetic valve and be maintained open state；If the coil temperature of described vaporizer is higher than the second preset value and duration
Reach the second preset duration, then control described closed electromagnetic valve.
In technique scheme, it is preferable that described first preset value is 0 DEG C～2 DEG C, and described second preset value is 7 DEG C
～15 DEG C, described first preset duration is 3min～8min, and described second preset duration is 3min～5min.
Additional aspect and the advantage of the present invention will become obvious in following description part, or by the practice of the present invention
Recognize.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become
Substantially with easy to understand, wherein:
Fig. 1 is the pipeline structure schematic diagram of air-conditioner described in one embodiment of the invention；
Fig. 2 is the schematic block diagram of the control method of air-conditioner described in one embodiment of the invention；
Fig. 3 is the schematic flow sheet of the control method of air-conditioner described in one embodiment of the invention.
Wherein, in Fig. 1, corresponding relation between reference and component names is:
10 compressors, 11 condensers, 12 throttling arrangements, 13 vaporizers, 14 gas-liquid separators, 15 bye-passes, 16 electromagnetic valves.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, real with concrete below in conjunction with the accompanying drawings
The present invention is further described in detail by mode of executing.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, the present invention also may be used
Implementing to use other to be different from mode described here, therefore, protection scope of the present invention is not by following public tool
The restriction of body embodiment.
1 to Fig. 3 describes air-conditioner according to some embodiments of the invention and the control method of air-conditioner with reference to the accompanying drawings.
As it is shown in figure 1, a kind of air-conditioner provided according to some embodiments of the invention, including: the pressure connected by pipeline
Contracting machine 10, condenser 11, throttling arrangement 12, vaporizer 13 and gas-liquid separator 14, also include: bye-pass 15, temperature sensor
And controller.
Specifically, one end of bye-pass 15 is connected on the pipeline between throttling arrangement 12 and vaporizer 13, bye-pass 15
The other end be connected on the pipeline between vaporizer 13 and gas-liquid separator 14, bye-pass 15 is provided with for controlling bye-pass
The electromagnetic valve 16 of 15 break-makes；Temperature sensor is for, after air-conditioner start refrigerating operaton, detecting the coil temperature of vaporizer 13；
Controller electrically connects with electromagnetic valve 16 and temperature sensor respectively, is used for the coil temperature of the vaporizer 13 according to detection and presets
Threshold values, controls the opening and closing of electromagnetic valve 16.
The air-conditioner that the above embodiment of the present invention provides, by increasing electricity between throttling arrangement 12 and gas-liquid separator 14
Magnet valve 16, and control the break-make of electromagnetic valve 16 according to the coil temperature of the vaporizer 13 of detection, specifically, when vaporizer 13
Coil temperature relatively low time, coolant in vaporizer 13 coil pipe exist evaporation not exclusively, be easily caused the possibility that vaporizer 13 freezes,
Open now by controlling electromagnetic valve 16, make the part coolant in air conditioning system directly pass through bye-pass without vaporizer 13
15 flow in gas-liquid separator 14, thus greatly reduce entrance vaporizer 13 and carry out the coolant quantity of heat exchange, it is simple to enter evaporation
A small amount of coolant in device 13 carries out abundant heat exchange, thus improves the temperature of vaporizer 13, effectively realizes preventing air-conditioner low temperature
Freeze and control, i.e. in the case of the off-premises station of air-conditioner is non-stop-machine, solve the ice formation issues of vaporizer 13, thus avoid
The larger fluctuation of indoor temperature and affect the problem of air-conditioning comfortableness because of indoor temperature larger fluctuation, improves user
Experience effect.
In the above embodiment, it is preferable that described air-conditioner also includes: timer, it is electrically connected with the controller, for record
The coil temperature of vaporizer 13 is not higher than the duration of the first preset value；Controller is for the coil temperature at vaporizer 13 not
When reaching the first preset duration higher than the first preset value and duration, control electromagnetic valve 16 and open.
In this embodiment, reach less than or equal to the first preset value and duration when the coil temperature of vaporizer 13
During the first preset duration, vaporizer 13 may be caused to freeze, by reasonable set the first preset value and the first preset duration, reach
While freezing to preventing vaporizer 13, it is to avoid controlled by single temperature and cause the problem of the frequent opening and closing of electromagnetic valve 16,
Improve the stationarity of air-conditioner work.
It is further preferred that timer is additionally operable to after controlling electromagnetic valve 16 and opening, the coil pipe temperature of record vaporizer 13
Degree is higher than the duration of the second preset value；Controller be additionally operable to the coil temperature at vaporizer 13 higher than the second preset value and
When duration reaches the second preset duration, control electromagnetic valve 16 and close.
In this embodiment, when, by the way of opening electromagnetic valve 16, making the coil temperature of vaporizer 13 be increased to second
When preset value lasting second preset duration, the refrigerant evaporation in vaporizer 13 coil pipe completely, does not exist what vaporizer 13 froze
Problem, now controls electromagnetic valve 16 and closes so that the coolant in air conditioning system is not directly over vaporizer by bye-pass 15
13 carry out heat exchange, thus are greatly improved and carry out the coolant quantity of heat exchange with room air, improve the refrigerating efficiency of air-conditioner, protect
Demonstrate,prove the properly functioning of air-conditioner.
It should be noted that described timer can be as separate part, it is possible to integrated on the controller.
In the above embodiment, it is preferable that the first preset value is 0 DEG C～2 DEG C, the second preset value is 7 DEG C～15 DEG C, first
Preset duration is 3min～8min, and the second preset duration is 3min～5min.
In this embodiment, preset by reasonable set the first preset value, the second preset value, the first preset duration and second
Duration, it is possible in time air-conditioner is carried out when vaporizer 13 exists risk of icing the anti-freeze control of low temperature, and avoids presetting temperature
Degree setting is unreasonable or preset duration sets problem that is too short and that cause the frequent opening and closing of electromagnetic valve 16；Certainly, described first pre-
If value, the second preset value, the first preset duration and the second preset duration are not limited to above-mentioned concrete scope, can be according to the fortune of air-conditioner
The parameters such as line frequency carry out reasonable set.
The embodiment of another aspect of the present invention provides the control method of a kind of air-conditioner, as in figure 2 it is shown, be used for controlling
Making the air-conditioner described in any of the above-described item, described control method includes:
S102, after air-conditioner start refrigerating operaton, the coil temperature of detection vaporizer；
S104, according to coil temperature and the pre-set threshold value of the vaporizer detected, controls the opening and closing of electromagnetic valve.
The control method of the air-conditioner that the above embodiment of the present invention provides, controls according to the coil temperature of the vaporizer of detection
The break-make of electromagnetic valve processed, specifically, when the coil temperature of vaporizer is relatively low, there is evaporation not in the coolant in evaporator coil
Completely, be easily caused the possibility that vaporizer freezes, open now by controlling electromagnetic valve, make part coolant in air conditioning system without
Pervaporation device and directly flowed in gas-liquid separator by bye-pass, thus greatly reduce entrance vaporizer and carry out the cold of heat exchange
Matchmaker measures, it is simple to a small amount of coolant entered in vaporizer carries out abundant heat exchange, thus improves the temperature of vaporizer, and it is right effectively to realize
The anti-freeze control of air-conditioner low temperature, i.e. in the case of the off-premises station of air-conditioner is non-stop-machine, solves the ice formation issues of vaporizer,
Thus avoid the larger fluctuation of indoor temperature and affect the problem of air-conditioning comfortableness because of indoor temperature larger fluctuation,
Improve Consumer's Experience effect.
In one embodiment of the invention, as it is shown on figure 3, according to the coil temperature of vaporizer of detection and pre-set threshold value
Control the opening and closing of electromagnetic valve, specifically include: judge that whether the coil temperature of vaporizer of detection is higher than the first preset value；If evaporation
The coil temperature of device is higher than the first preset value, then control electromagnetic valve and be not switched on, and air-conditioner maintains current operating conditions；If vaporizer
Coil temperature the not higher than first preset value and duration reach the first preset duration, then control electromagnetic valve and open.
Further, as it is shown on figure 3, after controlling electromagnetic valve and opening, also include: judge the coil pipe of the vaporizer of detection
Whether temperature is higher than the second preset value；If the coil temperature of vaporizer is not higher than the second preset value, then controls electromagnetic valve maintenance and beat
Open state；If the coil temperature of vaporizer reaches the second preset duration higher than the second preset value and duration, then control electromagnetism
Valve cuts out.
As it is shown on figure 3, the refinement flow process of a preferred embodiment of the invention is as follows:
S202, air-conditioner receives starting-up signal refrigerating operaton；
S204, the coil temperature T of detection vaporizer；
S206, it is judged that whether the coil temperature T of vaporizer is higher than the first preset value Ts1, if the coil temperature T of vaporizer is high
In the first preset value Ts1, then perform S208；If the coil temperature T of vaporizer is not higher than the first preset value Ts1, then perform S210；
S208, controls electromagnetic valve and is not switched on, and air-conditioner maintains current operating conditions；
S210, starts timing；
S212, it is judged that whether duration t reaches the first preset duration t1, if duration t reaches the first preset duration
T1, then perform S214；If duration t is not up to the first preset duration t1, then perform S206；
S214, controls electromagnetic valve and opens；
S216, after controlling electromagnetic valve and opening, it is judged that whether the coil temperature T of vaporizer is higher than the second preset value Ts2,
If the coil temperature T of vaporizer is not higher than the second preset value Ts2, then perform S214；If the coil temperature T of vaporizer is higher than second
Preset value Ts2, then perform S218；
S218, starts timing；
S220, it is judged that whether duration t reaches the second preset duration t2, if duration t reaches the second preset duration
T2, then perform S222；If duration t is not up to the second preset duration t2, then perform S216；
S222, controls closed electromagnetic valve.
It should be noted that performing S208, control electromagnetic valve and be not switched on, air-conditioner maintain current run running status it
After, can directly return execution S204, it is possible to return again to after crossing preset duration perform S204；Perform S222, control electromagnetism
After valve cuts out, can directly return execution S204, it is possible to return again to after crossing preset duration perform S204；Performing above-mentioned
During one step, if receiving halt instruction, then air-conditioner terminates to run.
In the above embodiment, it is preferable that the first preset value Ts1 is 0 DEG C～2 DEG C, the second preset value Ts2 is 7 DEG C～15
DEG C, the first preset duration t1 is 3min～8min, and the second preset duration t2 is 3min～5min.
In the above-described embodiments, air-conditioner receives starting-up signal start refrigerating operaton, detects in real time during refrigerating operaton
Whether the coil temperature T (or the coil temperature T every preset duration detection vaporizer) of vaporizer is higher than the first preset value Ts1,
If T is higher than Ts1, then controlling electromagnetic valve and be not switched on, air-conditioner maintains and runs well；When coil temperature T vaporizer being detected is low
In or after reaching the first preset duration t1 equal to the first preset value Ts1 and duration t, control electromagnetic valve and open, bye-pass is even
Logical, make the part coolant in air conditioning system be directly over bye-pass without vaporizer and flow in gas-liquid separator, to improve
The coil temperature of vaporizer；After controlling electromagnetic valve and opening, when coil temperature T vaporizer being detected presets warm higher than second
When value Ts2 and duration t reach the second preset duration t2, closing electromagnetic valve, air conditioning system runs well.
In sum, the air-conditioner that the embodiment of the present invention provides, by increasing between throttling arrangement and gas-liquid separator
Electromagnetic valve, and control the break-make of electromagnetic valve according to the coil temperature of the vaporizer of detection, specifically, when the coil pipe of vaporizer
When temperature is relatively low, there is the possibility that evaporation is incomplete, be easily caused vaporizer freezes in the coolant in evaporator coil, now by control
Electromagnetic valve processed is opened, and makes the part coolant in air conditioning system directly flow into gas-liquid separator by bye-pass without vaporizer
In, thus greatly reduce entrance vaporizer and carry out the coolant quantity of heat exchange, it is simple to a small amount of coolant entered in vaporizer fills
Divide heat exchange, thus improve the temperature of vaporizer, effectively realize control anti-freeze to air-conditioner low temperature, i.e. in the outdoor of air-conditioner
In the case of machine is non-stop-machine, solves the ice formation issues of vaporizer, thus avoid the larger fluctuation of indoor temperature and because of indoor
Temperature larger fluctuation and affect the problem of air-conditioning comfortableness, improve Consumer's Experience effect.
In the description of this specification, the description of term " embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine this embodiment or specific features, structure, material or feature that example describes to be contained at least one of the present invention real
Execute in example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or reality
Example.And, the specific features of description, structure, material or feature can in any one or more embodiments or example with
Suitably mode combines.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. an air-conditioner, including the compressor connected by pipeline, condenser, throttling arrangement, vaporizer and gas-liquid separator,
It is characterized in that, also include:
Bye-pass, one end is connected on the pipeline between described throttling arrangement and described vaporizer, and the other end is connected to described steaming
Sending out on the pipeline between device and described gas-liquid separator, described bye-pass is provided with the electromagnetism for controlling described bye-pass break-make
Valve；
Temperature sensor, for, after described air-conditioner start refrigerating operaton, detecting the coil temperature of described vaporizer；With
Controller, electrically connects with described electromagnetic valve and described temperature sensor respectively, for the described vaporizer according to detection
Coil temperature and pre-set threshold value, control the opening and closing of described electromagnetic valve.
Air-conditioner the most according to claim 1, it is characterised in that also include:
Timer, electrically connects with described controller, is not higher than the first preset value for recording the coil temperature of described vaporizer
Duration；
Described controller is pre-for reaching first at coil temperature not higher than first preset value of described vaporizer and duration
If during duration, control described electromagnetic valve and open.
Air-conditioner the most according to claim 2, it is characterised in that
Described timer is additionally operable to, and controlling after described electromagnetic valve opens, records the coil temperature of described vaporizer higher than the
The duration of two preset values；
Described controller is additionally operable to, and the coil temperature at described vaporizer reaches second higher than the second preset value and duration
During preset duration, control described closed electromagnetic valve.
Air-conditioner the most according to claim 3, it is characterised in that
Described first preset value is 0 DEG C～2 DEG C, and described second preset value is 7 DEG C～15 DEG C, and described first preset duration is 3min
～8min, described second preset duration is 3min～5min.
5. the control method of an air-conditioner, it is characterised in that for controlling the sky as according to any one of Claims 1-4
Adjusting device, described control method includes:
After described air-conditioner start refrigerating operaton, the coil temperature of detection vaporizer；
The coil temperature of the described vaporizer according to detection and pre-set threshold value, control the opening and closing of electromagnetic valve.
The control method of air-conditioner the most according to claim 5, it is characterised in that according to the dish of the described vaporizer of detection
Pipe temperature and pre-set threshold value control the opening and closing of electromagnetic valve, specifically include:
Judge that whether the coil temperature of described vaporizer of detection is higher than the first preset value；
If the coil temperature of described vaporizer is higher than the first preset value, then controlling described electromagnetic valve and be not switched on, described air-conditioner is tieed up
Hold current operating conditions；
If the coil temperature of described vaporizer the not higher than first preset value and duration reach the first preset duration, then control
Described electromagnetic valve is opened.
The control method of air-conditioner the most according to claim 6, it is characterised in that open it controlling described electromagnetic valve
After, also include:
Judge that whether the coil temperature of described vaporizer of detection is higher than the second preset value；
If the coil temperature of described vaporizer is not higher than the second preset value, then controls described electromagnetic valve and be maintained open state；
If the coil temperature of described vaporizer reaches the second preset duration higher than the second preset value and duration, then control institute
State closed electromagnetic valve.
The control method of air-conditioner the most according to claim 7, it is characterised in that
Described first preset value is 0 DEG C～2 DEG C, and described second preset value is 7 DEG C～15 DEG C, and described first preset duration is 3min
～8min, described second preset duration is 3min～5min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637656A (en) * | 2019-03-01 | 2020-09-08 | 珠海格力电器股份有限公司 | Air conditioner and control method |
| CN111750486A (en) * | 2020-06-17 | 2020-10-09 | 宁波奥克斯电气股份有限公司 | Control method and device for preventing internal machine from freezing and air conditioner |
| CN115854514A (en) * | 2022-12-09 | 2023-03-28 | 珠海格力电器股份有限公司 | Control method and device for preventing peculiar smell of air conditioner, air conditioner and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195091A (en) * | 1997-03-29 | 1998-10-07 | Lg电子株式会社 | Apparatus and method of controlling amount of refrigerant of multi-air conditioner |
| CN202547210U (en) * | 2012-02-19 | 2012-11-21 | 周玉涛 | Control structure for intake air temperature of refrigeration system |
| CN202835893U (en) * | 2012-09-21 | 2013-03-27 | 南京都乐制冷设备有限公司 | Discharge temperature adjustable refrigeration device |
| CN103791561A (en) * | 2014-02-19 | 2014-05-14 | 广东志高暖通设备股份有限公司 | Air conditioner indoor unit |
| CN203964453U (en) * | 2014-07-21 | 2014-11-26 | 深圳市沃森空调技术有限公司 | With the air-conditioner of hot gas bypass circuit |
| CN105627524A (en) * | 2016-03-14 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner anti-freezing control method and air conditioner |
-
2016
- 2016-08-19 CN CN201610693369.4A patent/CN106288544A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195091A (en) * | 1997-03-29 | 1998-10-07 | Lg电子株式会社 | Apparatus and method of controlling amount of refrigerant of multi-air conditioner |
| CN202547210U (en) * | 2012-02-19 | 2012-11-21 | 周玉涛 | Control structure for intake air temperature of refrigeration system |
| CN202835893U (en) * | 2012-09-21 | 2013-03-27 | 南京都乐制冷设备有限公司 | Discharge temperature adjustable refrigeration device |
| CN103791561A (en) * | 2014-02-19 | 2014-05-14 | 广东志高暖通设备股份有限公司 | Air conditioner indoor unit |
| CN203964453U (en) * | 2014-07-21 | 2014-11-26 | 深圳市沃森空调技术有限公司 | With the air-conditioner of hot gas bypass circuit |
| CN105627524A (en) * | 2016-03-14 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner anti-freezing control method and air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637656A (en) * | 2019-03-01 | 2020-09-08 | 珠海格力电器股份有限公司 | Air conditioner and control method |
| CN111750486A (en) * | 2020-06-17 | 2020-10-09 | 宁波奥克斯电气股份有限公司 | Control method and device for preventing internal machine from freezing and air conditioner |
| CN115854514A (en) * | 2022-12-09 | 2023-03-28 | 珠海格力电器股份有限公司 | Control method and device for preventing peculiar smell of air conditioner, air conditioner and storage medium |
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Application publication date: 20170104 |