CN109028466A - The antifreeze method, apparatus and system of air-conditioner set, evaporator - Google Patents
The antifreeze method, apparatus and system of air-conditioner set, evaporator Download PDFInfo
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- CN109028466A CN109028466A CN201810599989.0A CN201810599989A CN109028466A CN 109028466 A CN109028466 A CN 109028466A CN 201810599989 A CN201810599989 A CN 201810599989A CN 109028466 A CN109028466 A CN 109028466A
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- evaporator
- antifreeze
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- temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses the antifreeze method, apparatus and system of a kind of air-conditioner set, evaporator, wherein the antifreeze method of evaporator detects the current level of evaporator inner refrigerant and the current water temperature of evaporator the following steps are included: when antifreeze water circulating pump is opened；According to current level and current water temperature, judge whether evaporator needs to open antifreeze electric heating function；If it is determined that needing to open antifreeze heating function, then controls antifreeze electric heating function and open, evaporator is heated.The antifreeze method of evaporator according to the present invention, according to parameter informations such as the current water temperatures of the current level of evaporator inner refrigerant and evaporator, reasonably open antifreeze electric heating function, to which effectively antifreeze control can not only be carried out to evaporator, and it can be avoided that there is a situation where energy wastes.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to the antifreeze method of a kind of evaporator, a kind of evaporator it is anti-
Freeze the winterization system and a kind of air-conditioner set of device, a kind of evaporator.
Background technique
The ambient temperature range of Air-Cooled Heat Pump Unit operation is generally at -20~40 DEG C.Season (such as winter) entirely is being heated, when
When Air-Cooled Heat Pump Unit is not turned on, the reasons such as refrigerant migration since locating environment temperature is lower, and after shutdown be will lead to
Water temperature in heat exchange pipe of evaporator reduces, or even the case where freeze, thus will lead to heat exchange pipe of evaporator by bursting by freezing.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
First purpose be to propose a kind of antifreeze method of evaporator, according to the current level of evaporator inner refrigerant and evaporator
The parameter informations such as current water temperature reasonably open antifreeze electric heating function, to can not only effectively prevent evaporator
Freeze control, and can be avoided that there is a situation where energy wastes.
Second object of the present invention is to propose a kind of defroster of evaporator.
Third object of the present invention is to propose a kind of winterization system of evaporator.
Fourth object of the present invention is to propose a kind of air-conditioner set.
5th purpose of the invention is to propose a kind of electronic equipment.
6th purpose of the invention is to propose a kind of non-transitorycomputer readable storage medium.
To achieve the above object, first aspect present invention embodiment proposes a kind of antifreeze method of evaporator, the side
Method detects the current level and the evaporator of evaporator inner refrigerant the following steps are included: when antifreeze water circulating pump is opened
Current water temperature；According to the current level and the current water temperature, judge whether the evaporator needs to open antifreeze electricity and add
Heat function；If it is determined that needing to open antifreeze heating function, then controls the antifreeze electric heating function and open, to the evaporator
It is heated.
The antifreeze method of evaporator according to an embodiment of the present invention detects in evaporator when antifreeze water circulating pump is opened
The current level of refrigerant and the current water temperature of evaporator, and according to current level and current water temperature, whether judge evaporator
Need to open antifreeze electric heating function, and needing to open antifreeze heating function in judgement is to control antifreeze electric heating function to open,
Evaporator is heated.Believed as a result, according to parameters such as the current water temperatures of the current level of evaporator inner refrigerant and evaporator
Breath, reasonably opens antifreeze electric heating function, so that antifreeze control effectively can not only be carried out to evaporator, and can keep away
Exempt from that there is a situation where energy wastes.
In addition, the antifreeze method of evaporator according to the above embodiment of the present invention can also have following additional technology special
Sign:
According to one embodiment of present invention, described according to the current level and the current water temperature, judge the steaming
Whether hair device needs to open antifreeze electric heating function, comprising: judges whether the current level is greater than preset first liquid level threshold
Value；Judge whether the current water temperature is less than preset first temperature threshold；If the current level is greater than first liquid
Position threshold value or the current water temperature are less than first temperature threshold, then determine to need to open the antifreeze electric heating function.
According to one embodiment of present invention, the antifreeze electric heating function unlatching is being controlled, the evaporator is being carried out
After heating, further includes: persistently detect the current level and current water temperature of the evaporator；If what is be continuously detected described works as
Preceding liquid level is less than or equal to preset second level threshold or the current water temperature being continuously detected is greater than preset second temperature
Threshold value is spent, then controls the antifreeze electric heating function and closes；Wherein, second level threshold is less than or equal to first liquid level
Threshold value, the second temperature threshold value are more than or equal to first temperature threshold.
According to one embodiment of present invention, after controlling the antifreeze electric heating function and closing, further includes: detection institute
State the current signature parameter of the current environmental temperature and the evaporator inner refrigerant of evaporator local environment in evaporating state；
Judge whether the current environmental temperature is greater than preset third temperature threshold；Judge whether the current signature parameter is greater than
One characteristic parameter threshold；If the current environmental temperature is greater than preset third temperature threshold or the current signature parameter
Greater than fisrt feature parameter threshold, then controls the antifreeze water circulating pump and close.
According to one embodiment of present invention, in the current level and the evaporator for detecting the evaporator inner refrigerant
Current water temperature before, further includes: the control antifreeze water circulating pump is opened.
According to one embodiment of present invention, the control antifreeze water circulating pump is opened, comprising: detects the evaporation
The initial characteristics parameter of the original ambient temperature of device local environment and the evaporator inner refrigerant in evaporating state；Judge institute
State whether original ambient temperature is less than preset 4th temperature threshold；Judge whether the initial characteristics parameter is less than preset
Two characteristic parameter thresholds；If the original ambient temperature is less than the 4th temperature threshold or the initial characteristics parameter is small
In the second feature parameter threshold, then controls the antifreeze water circulating pump and open.
To achieve the above object, second aspect of the present invention embodiment proposes a kind of defroster of evaporator, comprising: the
One detection module, for detecting the current level and the evaporator of evaporator inner refrigerant when antifreeze water circulating pump is opened
Current water temperature；First judgment module, for whether judging the evaporator according to the current level and the current water temperature
Need to open antifreeze electric heating function；Control module, for controlling described antifreeze when judgement needs to open antifreeze heating function
Electric heating function starts, and heats to the evaporator.
The defroster of evaporator according to an embodiment of the present invention is opened by first detection module in antifreeze water circulating pump
When, the current level of evaporator inner refrigerant and the current water temperature of evaporator are detected, and by first judgment module according to working as
Preceding liquid level and current water temperature, judge whether evaporator needs to open antifreeze electric heating function, and are needed by control module in judgement
When opening antifreeze heating function, controls antifreeze electric heating function and start, evaporator is heated.As a result, according to evaporator
The parameter informations such as the current water temperature of the current level of inner refrigerant and evaporator, reasonably open antifreeze electric heating function, thus
Antifreeze control effectively can not only be carried out to evaporator, and can be avoided that there is a situation where energy wastes.
In addition, the defroster of evaporator according to the above embodiment of the present invention can also have following additional technology special
Sign:
According to one embodiment of present invention, the first judgment module, is specifically used for: whether judging the current level
Greater than preset first level threshold；Judge whether the current water temperature is less than preset first temperature threshold；If described work as
Preceding liquid level is greater than first level threshold or the current water temperature is less than first temperature threshold, then judgement needs to open
The antifreeze electric heating function.
According to one embodiment of present invention, the first detection module, is also used to: controlling the antifreeze electric heating function
It can open, after heating to the evaporator, persistently detect the current level and current water temperature of the evaporator；The control
Molding block, for judging that the current level being continuously detected is less than preset second liquid level in the first judgment module
When threshold value or the current water temperature being continuously detected are greater than preset second temperature threshold value, the antifreeze electric heating function is controlled
It can close；Wherein, second level threshold is less than or equal to first level threshold, and the second temperature threshold value is more than or equal to
First temperature threshold.
According to one embodiment of present invention, the first detection module, is also used to: controlling the antifreeze electric heating function
After capable of closing, the current environmental temperature for detecting the evaporator local environment and the evaporator inner refrigerant are in evaporating state
When current signature parameter；The first judgment module, is also used to judge whether the current environmental temperature is greater than preset
Three temperature thresholds, and judge whether the current signature parameter is greater than fisrt feature parameter threshold；The control module, is also used
In judging that the current environmental temperature is greater than preset third temperature threshold or described current in the first judgment module
Characteristic parameter is greater than fisrt feature parameter threshold, controls the antifreeze water circulating pump and closes.
According to one embodiment of present invention, the control module, is also used to: in the current of detection evaporator inner refrigerant
Before the current water temperature of liquid level and the evaporator, controls the antifreeze water circulating pump and open.
According to one embodiment of present invention, the first detection module, is also used to: detecting the evaporator local environment
Initial characteristics parameter in evaporating state of original ambient temperature and the evaporator inner refrigerant；Described first judges mould
Block, is also used to judge whether the original ambient temperature is less than preset 4th temperature threshold, and judges the initial characteristics
Whether parameter is less than preset second feature parameter threshold；The control module, specifically for sentencing in the first judgment module
The disconnected original ambient temperature out is less than the 4th temperature threshold or the initial characteristics parameter is less than the second feature
When parameter threshold, controls the antifreeze water circulating pump and open.
To achieve the above object, third aspect present invention embodiment proposes a kind of winterization system of evaporator, including this
The defroster for the evaporator that invention second aspect embodiment proposes.
The winterization system of evaporator according to an embodiment of the present invention, by the defroster of above-mentioned evaporator, according to steaming
The parameter informations such as the current level of device inner refrigerant and the current water temperature of evaporator are sent out, antifreeze electric heating function is reasonably opened,
To which effectively antifreeze control can not only be carried out to evaporator, and it can be avoided that there is a situation where energy wastes.
To achieve the above object, fourth aspect present invention embodiment proposes a kind of air-conditioner set, including third of the present invention
The winterization system for the evaporator that aspect embodiment proposes.
Air-conditioner set according to an embodiment of the present invention, by the winterization system of above-mentioned evaporator, according to being made in evaporator
The parameter informations such as the current water temperature of the current level of cryogen and evaporator, reasonably open antifreeze electric heating function, thus not only
Antifreeze control effectively can be carried out to evaporator, and can be avoided that there is a situation where energy wastes.
To achieve the above object, fifth aspect present invention embodiment proposes a kind of electronic equipment, including memory, processing
Device；Wherein, the processor is run by reading the executable program code stored in the memory can be performed with described
The corresponding program of program code, in the antifreeze method of the evaporator proposed for realizing first aspect present invention embodiment.
Electronic equipment according to an embodiment of the present invention, by the antifreeze method of above-mentioned evaporator, according to being made in evaporator
The parameter informations such as the current water temperature of the current level of cryogen and evaporator, reasonably open antifreeze electric heating function, thus not only
Antifreeze control effectively can be carried out to evaporator, and can be avoided that there is a situation where energy wastes.
To achieve the above object, sixth aspect present invention embodiment proposes a kind of non-transitory computer-readable storage medium
Matter is stored thereon with computer program, and the steaming of first aspect present invention embodiment proposition is capable of when which is executed by processor
Send out the antifreeze method of device.
Non-transitorycomputer readable storage medium according to an embodiment of the present invention passes through the antifreeze side of above-mentioned evaporator
Method reasonably opens antifreeze electricity according to parameter informations such as the current water temperatures of the current level of evaporator inner refrigerant and evaporator
Heating function so that antifreeze control effectively can not only be carried out to evaporator, and can be avoided the feelings that energy waste occurs
Condition.
Detailed description of the invention
Fig. 1 is the block diagram of the winterization system of evaporator according to an embodiment of the present invention；
Fig. 2 is the flow chart of the antifreeze method of evaporator according to an embodiment of the present invention；
Fig. 3 is the flow chart of the antifreeze method of evaporator according to an embodiment of the invention；
Fig. 4 is the block diagram of the defroster of evaporator according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings come describe the antifreeze method of the evaporator proposed according to embodiments of the present invention, evaporator it is antifreeze
Device, the winterization system of evaporator, air-conditioner set, electronic equipment and non-transitorycomputer readable storage medium.
It should be noted that as shown in Figure 1, the winterization system of the evaporator of the embodiment of the present invention may include evaporator 1, prevent
Freeze water circulating pump 2, antifreeze electric heating 3 and the anti-freezing pipeline being attached thereto, liquid level sensor 4, environment temperature tactility apparatus 5, water
Temperature sensor 6 and pressure sensor 7.Wherein, antifreeze water circulating pump 2 and antifreeze electric heating 3 are used to heat evaporator,
Liquid level sensor 4 is used to detect the liquid level of evaporator inner refrigerant, and environment temperature tactility apparatus 5 is for detecting evaporator local environment
Environment temperature, water temperature sensor 6 is used to detect the water temperature of evaporator, and pressure sensor 7 is for detecting evaporator inner refrigerant
Evaporating pressure.
Fig. 2 is the flow chart of the antifreeze method of evaporator according to an embodiment of the present invention.As shown in Fig. 2, the present invention is implemented
The antifreeze method of the evaporator of example can comprise the following steps that
S1 detects the current level of evaporator inner refrigerant and the current water of evaporator when antifreeze water circulating pump is opened
Temperature.
The liquid level of evaporator inner refrigerant is detected by the way that the liquid level sensor inside evaporator is arranged in, and passes through setting
The water temperature in water temperature sensor detection evaporator inside evaporator.
S2 judges whether evaporator needs to open antifreeze electric heating function according to current level and current water temperature.
S3 then controls antifreeze electric heating function and opens, carry out to evaporator if it is determined that needing to open antifreeze heating function
Heating.
Specifically, when air-conditioner set is out of service, since locating ambient temperature is lower, and after shutdown
The reasons such as refrigerant migration will lead to the water temperature drop in heat exchange pipe of evaporator, or even the phenomenon that will appear icing, so as to cause steaming
The bursting by freezing of device heat exchanger tube is sent out, thus air-conditioner set is caused to be unable to operate normally, influences the reliability of air-conditioner set.Currently, can basis
The water temperature for the evaporator that real-time detection arrives carries out antifreeze control to evaporator, however, the water temperature of the evaporator detected is only steamed
The local water temperature of hair device can not represent the minimum water temperature of entire heat exchange pipe of evaporator in the immobilising situation of water, therefore,
Antifreeze control accurately and effectively can not be carried out to evaporator according to the water temperature of the evaporator detected.For these reasons, in order to
Reduction heat exchange pipe of evaporator, can be under biggish water temperature condition by the risk of bursting by freezing, that is, the local water of the evaporator detected
When temperature is larger, carrying out antifreeze control to evaporator in advance still will increase unnecessary energy waste.
Therefore, in embodiments of the present invention, liquid level sensor and water temperature can be passed through respectively when antifreeze water circulating pump is opened
Sensor detects the current level of evaporator inner refrigerant and the current water temperature of evaporator, and according to the height of current level and works as
The size of preceding water temperature judges whether evaporator needs to open antifreeze electric heating function, and needs to open antifreeze heating function in judgement
It when energy, controls antifreeze electric heating function and opens, to be heated to evaporator, and without controlling when opening antifreeze heating function
It makes antifreeze electric heating function to be in close state, until controlling antifreeze electric heating function when judgement needs to open antifreeze heating function
It can open.As a result, by the water temperature of the liquid level of real-time detection evaporator inner refrigerant and evaporator, and according to liquid level and water
The parameters such as temperature can reasonably select control to open the opportunity of antifreeze electric heating function, thus can not only be effectively to evaporation
Device carries out antifreeze control, and can be avoided that there is a situation where energy wastes.
According to one embodiment of present invention, according to current level and current water temperature, judge whether evaporator needs to open
Antifreeze electric heating function, comprising:
Judge whether current level is greater than preset first level threshold, and judges whether current water temperature is less than preset
One temperature threshold determines to need if current level is greater than the first level threshold or current water temperature less than the first temperature threshold
Open antifreeze electric heating function.Wherein, the first level threshold and the first temperature threshold can be demarcated according to the actual situation, example
Such as, the value range of the first level threshold can be 0~500mm, and the value range of the first temperature threshold can be -10~20 DEG C.
Specifically, there is certain relationship, condensed water temperatures for the liquid level and condensed water temperature of evaporator inner refrigerant
When raising, condensing pressure can be increased, so that circulating mass of refrigerant increases, so that the refrigeration dose in condenser subtracts
Few, the refrigeration dose in evaporator is also reduced, so that the liquid level in evaporator reduces；It is cold when condensed water temperature reduces
Solidifying pressure can decrease, so that circulating mass of refrigerant is reduced, so that the refrigeration dose in condenser increases, in evaporator
Refrigeration dose also increase so that the liquid level in evaporator increases.Therefore, when the liquid level of the refrigerant in evaporator
Height is higher, i.e., when the current level of the refrigerant in evaporator is greater than preset first level threshold, condensed water temperature is lower, this
When, need to open antifreeze electric heating function；Alternatively, the water temperature when evaporator is lower, i.e., the current water temperature of evaporator is less than default
The first temperature threshold when, there is the risk to freeze in evaporator, at this time, it may be necessary to open antifreeze electric heating function.
It should be noted that the water temperature of above-mentioned evaporator can be the inflow temperature of evaporator, it is also possible to evaporator
Leaving water temperature is also possible to the internal temperature of evaporator, that is to say, that can pass through the inflow temperature of detection evaporator, Huo Zhezheng
The leaving water temperature of device or the internal temperature of evaporator are sent out, judges whether evaporator needs to open antifreeze electric heating function.
According to one embodiment of present invention, antifreeze electric heating function unlatching is being controlled, after being heated to evaporator,
Further include:
The current level and current water temperature of evaporator are persistently detected, if the current level being continuously detected is less than or equal in advance
If the second level threshold or the current water temperature that is continuously detected be greater than preset second temperature threshold value, then control antifreeze electricity plus
Heat function is closed, wherein the second level threshold is less than or equal to the first level threshold, and second temperature threshold value is more than or equal to the first temperature
Threshold value.Wherein, the value range of the second level threshold can be 0~500mm, the value range of second temperature threshold value can for -10~
20℃。
In method through the foregoing embodiment, judge that evaporator needs to open antifreeze electric heating function, and control antifreeze
Electric heating function is opened, after heating to evaporator, in order to energy saving to the maximum extent, it is also necessary to judge whether to control
It makes antifreeze electric heating function to close, i.e., when controls antifreeze electric heating function and close, therefore, be based on above-mentioned implementation
Example is opened controlling antifreeze electric heating function, after heating to evaporator, it is also necessary to persistently to the refrigerant in evaporator
Liquid level and the water temperature of evaporator detected, once it is default to detect that the liquid level of the refrigerant in evaporator is less than or equal to
The second level threshold or evaporator water temperature be greater than preset second temperature threshold value, then illustrate the wind to freeze in evaporator
Danger is smaller, opens it is therefore not necessary to control antifreeze electric heating function again, that is, controls antifreeze electric heating function and close.That is,
It controls antifreeze electric heating function to open, after being heated to evaporator, the current level of detection evaporator can be continued and worked as
Preceding water temperature, and when current level or current water temperature are met certain condition, antifreeze electric heating function is controlled in time closes, from
And it can be avoided the waste for causing the energy.
As a result, by the current water temperature of the current level of real-time detection evaporator inner refrigerant and evaporator, and to evaporation
The current level of device inner refrigerant and the current water temperature of evaporator are analyzed, reasonably control antifreeze electric heating function open/
It closes, so that antifreeze control effectively can not only be carried out to evaporator, and it is unnecessary to reduce antifreeze electric heating function
Opening time, with energy saving to the maximum extent.
According to one embodiment of present invention, after controlling antifreeze electric heating function and closing, further includes: detection evaporator
Current signature parameter of the current environmental temperature and evaporator inner refrigerant of local environment in evaporating state；Judge current environment
Whether temperature is greater than preset third temperature threshold；Judge whether current signature parameter is greater than fisrt feature parameter threshold；If
Current environmental temperature is greater than preset third temperature threshold or current signature parameter is greater than fisrt feature parameter threshold, then controls
Antifreeze water circulating pump is closed.
Specifically, current signature parameter of the evaporator inner refrigerant in evaporating state may include evaporating pressure and evaporation
Temperature, wherein it can detect the evaporating pressure of evaporator inner refrigerant by the way that the pressure sensor inside evaporator is arranged in, according to
Evaporating pressure can calculate evaporating temperature, can detect evaporator institute by the way that the environment temperature sensor outside air-conditioner set is arranged in
Locate the environment temperature of environment.
It, can be according to the current environmental temperature and evaporation of evaporator local environment after controlling antifreeze electric heating function and closing
The evaporating temperature of device inner refrigerant judges whether that needing to control antifreeze water circulating pump closes.
When the current environmental temperature of evaporator local environment is greater than the steaming of third temperature threshold or evaporator inner refrigerant
It sends out temperature and is greater than preset 5th temperature threshold, then no longer need to heat the water in evaporator by antifreeze water circulating pump,
Therefore, antifreeze water circulating pump can control to close.Wherein, third temperature threshold, the 5th temperature threshold can carry out according to the actual situation
Calibration, for example, the value range of the 5th temperature threshold of third temperature threshold can be -10~20 DEG C.
Optionally, can according to the current environmental temperature of evaporator local environment and the evaporating pressure of evaporator inner refrigerant,
Judge whether that needing to control antifreeze water circulating pump closes.When the current environmental temperature of evaporator local environment is greater than third temperature threshold
The evaporating pressure of value or evaporator inner refrigerant is greater than preset first pressure threshold value, then no longer needs to through antifreeze recirculated water
Pump heats the water in heat exchange pipe of evaporator, therefore, can control antifreeze water circulating pump to close, wherein first pressure threshold value
It can be demarcated according to the actual situation.
It should be noted that according to one embodiment of present invention, detection evaporator inner refrigerant current level and
Before the current water temperature of evaporator, antifreeze water circulating pump also can control to open.
According to one embodiment of present invention, it controls antifreeze water circulating pump to open, comprising: detection evaporator local environment
The initial characteristics parameter of original ambient temperature and evaporator inner refrigerant in evaporating state, and whether judge original ambient temperature
Less than preset 4th temperature threshold, and judge whether initial characteristics parameter is less than preset second feature parameter threshold, and
When original ambient temperature is less than second feature parameter threshold less than the 4th temperature threshold or initial characteristics parameter, control antifreeze
Water circulating pump is opened.Wherein,
Specifically, original ambient temperature can detect at the time of air-conditioner set is out of service for environment temperature sensor
The environment temperature of evaporator environment, initial characteristics parameter of the evaporator inner refrigerant in evaporating state may include initial evaporation pressure
Power and initial vaporization temperature, wherein initial evaporation pressure can detect at the time of air-conditioner set is out of service for pressure sensor
The evaporating pressure of the evaporator inner refrigerant arrived can calculate initial vaporization temperature according to initial evaporation pressure.
It, can be according to initial environment temperature before the current level of detection evaporator inner refrigerant and the current water temperature of evaporator
Degree and initial vaporization temperature judge whether that needing to control antifreeze water circulating pump opens.When original ambient temperature is less than preset the
When four temperature thresholds or initial vaporization temperature are less than preset six temperature threshold, then illustrate in heat exchange pipe of evaporator at this time
Water there is the risk to freeze, therefore, can control antifreeze water circulating pump to open, wherein the 4th temperature threshold, the 6th temperature threshold
It can be demarcated according to the actual situation, for example, the value range of the 4th temperature threshold, the 6th temperature threshold can be -10~20 DEG C,
Also, the 6th temperature threshold is less than or equal to the 5th temperature threshold.
Optionally, can according to the current environmental temperature of evaporator local environment and the evaporating pressure of evaporator inner refrigerant,
Judge whether that needing to control antifreeze water circulating pump opens.When the current environmental temperature of evaporator local environment is less than the preset 4th
The evaporating pressure of temperature threshold or evaporator inner refrigerant is less than preset second pressure threshold value, then illustrates evaporator at this time
There is the risk to freeze in the water in heat exchanger tube, therefore, can control antifreeze water circulating pump to open, wherein second pressure threshold value can root
It is demarcated according to actual conditions, and second pressure threshold value is less than or equal to first pressure threshold value.
Pass through real-time detection environment temperature, evaporator water, evaporator refrigerant saturation temperature, evaporator refrigeration as a result,
The multiple parameters such as agent liquid level, and calculating and logic judgment are carried out to each parameter, reasonably control antifreeze water circulating pump and prevented
Freeze electric heating function unlatching/closing, rationally starts antifreeze logic, while maximum limit on the basis of guaranteeing air-conditioner set reliability
Avoid to degree the waste of the energy.
Further, to make those skilled in the art better understand the present invention, specifically show below with reference to of the invention
Example is described further the antifreeze method of evaporator.As shown in figure 3, the evaporator of one embodiment of the present of invention is antifreeze
Method, it may include following steps:
S201, after air-conditioner set is out of service, in the current environmental temperature and evaporator of detection evaporator local environment
The current evaporating temperature of refrigerant.S201 is executed the step, execution can be synchronized or sequence executes step S202 and step S203.
S202, judges whether current environmental temperature is less than preset 4th temperature threshold Ta1.If so, thening follow the steps
S204；If it is not, then returning to step S01.
S203, judges whether current evaporating temperature is less than preset 6th temperature threshold Te1.If so, thening follow the steps
S204；If it is not, then returning to step S201.
S204 controls antifreeze water circulating pump and opens.
S205 detects the current level of evaporator inner refrigerant and the current water temperature of evaporator.S205 is executed the step, it can
It is synchronous to execute or sequentially execute step S206 and step S207.
S206, judges whether current level is greater than preset first level threshold L1.If so, thening follow the steps S208；
If it is not, then returning to step S205.
S207, judges whether current water temperature is less than preset first temperature threshold Tw1.If so, thening follow the steps S208；
If it is not, then returning to step S205.
S208 controls antifreeze electric heating function and opens.
S209 persistently detects the current level of evaporator inner refrigerant and the current water temperature of evaporator.It executes the step
S209, can synchronize execution or sequence executes step S210 and step S211.
S210, judges whether the current level being continuously detected is less than or equal to preset second level threshold L2.If so,
Then follow the steps S212；If it is not, then returning to step S209.
S211, judges whether the current water temperature being continuously detected is greater than preset second temperature threshold value Tw2.If it is,
Execute step S212；If it is not, then returning to step S209.
S212 controls antifreeze electric heating function and closes.
S213 detects the current environmental temperature of evaporator local environment and the current evaporating temperature of evaporator inner refrigerant.
S213 is executed the step, execution can be synchronized or sequence executes step S214 and step S215.
S214, judges whether current environmental temperature is greater than preset third temperature threshold Ta2.If so, thening follow the steps
S216；If it is not, then returning to step S205.
S215, judges whether current evaporating temperature is greater than the 5th temperature threshold Te2.If so, thening follow the steps S216；Such as
Fruit is no, then returns to step S205.
S216 controls antifreeze water circulating pump and closes.
In conclusion the antifreeze method of evaporator according to an embodiment of the present invention, when antifreeze water circulating pump is opened, detection
The current level of evaporator inner refrigerant and the current water temperature of evaporator, and according to current level and current water temperature, judge to steam
Whether hair device needs to open antifreeze electric heating function, and needing to open antifreeze heating function in judgement is to control antifreeze electric heating
Function is opened, and is heated to evaporator.As a result, according to the current water temperature of the current level of evaporator inner refrigerant and evaporator
Equal parameter informations, reasonably open antifreeze electric heating function, so that antifreeze control effectively can not only be carried out to evaporator, and
And it can be avoided that there is a situation where energy wastes.
Fig. 4 is the block diagram of the defroster of evaporator according to an embodiment of the present invention.As shown in figure 4, of the invention
The defroster of the evaporator of embodiment may include first detection module 100, first judgment module 200 and control module 300.
Wherein, first detection module 100 is used to detect the current of evaporator inner refrigerant when antifreeze water circulating pump is opened
The current water temperature of liquid level and evaporator；First judgment module 200 is used to judge that evaporator is according to current level and current water temperature
It is no to need to open antifreeze electric heating function；Control module 300 is used for when judgement needs to open antifreeze heating function, is controlled antifreeze
Electric heating function starts, and heats to evaporator.
According to one embodiment of present invention, first judgment module 200 is specifically used for: it is pre- to judge whether current level is greater than
If the first level threshold, and judge whether current water temperature is less than preset first temperature threshold.And it is greater than in current level
When first level threshold or current water temperature are less than the first temperature threshold, judgement needs to open antifreeze electric heating function.
According to one embodiment of present invention, first detection module 100 is also used to controlling antifreeze electric heating function unlatching,
After heating to evaporator, the current level and current water temperature of evaporator are persistently detected；Control module 300 is used for first
Judgment module 200 judges that the current level being continuously detected is less than preset second level threshold or what is be continuously detected work as
It when preceding water temperature is greater than preset second temperature threshold value, controls antifreeze electric heating function and closes, wherein the second level threshold is less than etc.
In the first level threshold, second temperature threshold value is more than or equal to the first temperature threshold.
According to one embodiment of present invention, first detection module 100 is also used to controlling antifreeze electric heating function closing
Later, the current signature ginseng of the current environmental temperature and evaporator inner refrigerant of evaporator local environment in evaporating state is detected
Number, first judgment module 200 are also used to judge whether current environmental temperature is greater than preset third temperature threshold, and judgement is worked as
Whether preceding characteristic parameter is greater than fisrt feature parameter threshold, and control module 300 is also used to judge to work as in first judgment module 200
Preceding environment temperature is greater than preset third temperature threshold or current signature parameter is greater than fisrt feature parameter threshold, controls antifreeze
Water circulating pump is closed.
According to one embodiment of present invention, control module 300 is also used to the current liquid in detection evaporator inner refrigerant
Before the current water temperature of position and evaporator, controls antifreeze water circulating pump and open.
According to one embodiment of present invention, first detection module 100 is also used to detect the initial of evaporator local environment
The initial characteristics parameter of environment temperature and evaporator inner refrigerant in evaporating state, first judgment module 200 are also used to judge
Whether original ambient temperature is less than preset 4th temperature threshold, and judges whether initial characteristics parameter is less than preset second
Characteristic parameter threshold, control module 300 are specifically used for judging original ambient temperature less than the 4th temperature in first judgment module
When threshold value or initial characteristics parameter are less than second feature parameter threshold, control antifreeze water circulating pump and open.
It should be noted that undisclosed details in the defroster of the evaporator of the embodiment of the present invention, please refers to this hair
Details disclosed in the antifreeze method of the evaporator of bright embodiment, specific I will not elaborate.
The defroster of evaporator according to an embodiment of the present invention is opened by first detection module in antifreeze water circulating pump
When, the current level of evaporator inner refrigerant and the current water temperature of evaporator are detected, and by first judgment module according to working as
Preceding liquid level and current water temperature, judge whether evaporator needs to open antifreeze electric heating function, and are needed by control module in judgement
When opening antifreeze heating function, controls antifreeze electric heating function and start, evaporator is heated.As a result, according to evaporator
The parameter informations such as the current water temperature of the current level of inner refrigerant and evaporator, reasonably open antifreeze electric heating function, thus
Antifreeze control effectively can not only be carried out to evaporator, and can be avoided that there is a situation where energy wastes.
In addition, the embodiment of the present invention also proposed a kind of winterization system of evaporator comprising above-mentioned evaporator
Defroster.
The winterization system of evaporator according to an embodiment of the present invention, by the defroster of above-mentioned evaporator, according to steaming
The parameter informations such as the current level of device inner refrigerant and the current water temperature of evaporator are sent out, antifreeze electric heating function is reasonably opened,
To which effectively antifreeze control can not only be carried out to evaporator, and it can be avoided that there is a situation where energy wastes.
In addition, the embodiment of the present invention also proposed a kind of air-conditioner set comprising the winterization system of above-mentioned evaporator.
Air-conditioner set according to an embodiment of the present invention, by the winterization system of above-mentioned evaporator, according to being made in evaporator
The parameter informations such as the current water temperature of the current level of cryogen and evaporator, reasonably open antifreeze electric heating function, thus not only
Antifreeze control effectively can be carried out to evaporator, and can be avoided that there is a situation where energy wastes.
In addition, the embodiment of the present invention also proposed a kind of electronic equipment comprising memory, processor；Wherein, it handles
Device runs program corresponding with executable program code by reading the executable program code stored in memory, to be used for
Realize the antifreeze method of above-mentioned evaporator.
Electronic equipment according to an embodiment of the present invention, by the antifreeze method of above-mentioned evaporator, according to being made in evaporator
The parameter informations such as the current water temperature of the current level of cryogen and evaporator, reasonably open antifreeze electric heating function, thus not only
Antifreeze control effectively can be carried out to evaporator, and and can be avoided that there is a situation where energy wastes.
In addition, the embodiment of the present invention also proposed a kind of non-transitorycomputer readable storage medium, it is stored thereon with
Computer program, the program realize the antifreeze method of above-mentioned evaporator when being executed by processor.
Non-transitorycomputer readable storage medium according to an embodiment of the present invention passes through the antifreeze side of above-mentioned evaporator
Method reasonably opens antifreeze electricity according to parameter informations such as the current water temperatures of the current level of evaporator inner refrigerant and evaporator
Heating function so that antifreeze control effectively can not only be carried out to evaporator, and can be avoided the feelings that energy waste occurs
Condition.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In addition, in the description of the present invention, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ",
"upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " inverse time
The orientation or positional relationship of the instructions such as needle ", " axial direction ", " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings,
Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (16)
1. a kind of antifreeze method of evaporator, which is characterized in that the described method comprises the following steps:
When antifreeze water circulating pump is opened, the current level of evaporator inner refrigerant and the current water temperature of the evaporator are detected；
According to the current level and the current water temperature, judge whether the evaporator needs to open antifreeze electric heating function；
If it is determined that need to open antifreeze heating function, then control the antifreeze electric heating function and open, to the evaporator into
Row heating.
2. the method according to claim 1, wherein described according to the current level and the current water temperature,
Judge whether the evaporator needs to open antifreeze electric heating function, comprising:
Judge whether the current level is greater than preset first level threshold；
Judge whether the current water temperature is less than preset first temperature threshold；
If the current level is greater than first level threshold or the current water temperature is less than first temperature threshold,
Then determine to need to open the antifreeze electric heating function.
3. according to the method described in claim 2, it is characterized in that, being opened controlling the antifreeze electric heating function, to described
After evaporator is heated, further includes:
Persistently detect the current level and current water temperature of the evaporator；
If the institute that the current level being continuously detected is less than or equal to preset second level threshold or is continuously detected
Current water temperature is stated greater than preset second temperature threshold value, then controls the antifreeze electric heating function and closes；
Wherein, second level threshold is less than or equal to first level threshold, and the second temperature threshold value is more than or equal to institute
State the first temperature threshold.
4. according to the method described in claim 3, it is characterized in that, being gone back after controlling the antifreeze electric heating function and closing
Include:
Detect the evaporator local environment current environmental temperature and evaporator inner refrigerant the working as in evaporating state
Preceding characteristic parameter；
Judge whether the current environmental temperature is greater than preset third temperature threshold；
Judge whether the current signature parameter is greater than fisrt feature parameter threshold；
If the current environmental temperature is greater than preset third temperature threshold or the current signature parameter is greater than the first spy
Parameter threshold is levied, then controls the antifreeze water circulating pump and closes.
5. method according to claim 1-4, which is characterized in that detecting working as the evaporator inner refrigerant
Before the current water temperature of preceding liquid level and the evaporator, further includes:
The antifreeze water circulating pump is controlled to open.
6. according to the method described in claim 5, it is characterized in that, the control antifreeze water circulating pump is opened, comprising:
Original ambient temperature and the evaporator inner refrigerant for detecting the evaporator local environment are first in evaporating state
Beginning characteristic parameter；
Judge whether the original ambient temperature is less than preset 4th temperature threshold；
Judge whether the initial characteristics parameter is less than preset second feature parameter threshold；
If the original ambient temperature is less than the 4th temperature threshold or the initial characteristics parameter is less than described second
Characteristic parameter threshold then controls the antifreeze water circulating pump and opens.
7. a kind of defroster of evaporator characterized by comprising
First detection module, for when antifreeze water circulating pump is opened, detecting the current level of evaporator inner refrigerant and described
The current water temperature of evaporator；
First judgment module, for judging whether the evaporator needs out according to the current level and the current water temperature
Open antifreeze electric heating function；
Control module starts for when judgement needs to open antifreeze heating function, controlling the antifreeze electric heating function, to institute
Evaporator is stated to be heated.
8. device according to claim 7, which is characterized in that the first judgment module is specifically used for:
Judge whether the current level is greater than preset first level threshold；
Judge whether the current water temperature is less than preset first temperature threshold；
If the current level is greater than first level threshold or the current water temperature is less than first temperature threshold,
Then judgement needs to open the antifreeze electric heating function.
9. device according to claim 8, which is characterized in that the first detection module is also used to:
It is opened controlling the antifreeze electric heating function, after heating to the evaporator, persistently detects the evaporator
Current level and current water temperature；
The control module, it is default for judging that the current level being continuously detected is less than in the first judgment module
The second level threshold or the current water temperature that is continuously detected when being greater than preset second temperature threshold value, control described anti-
Freeze electric heating function to close；
Wherein, second level threshold is less than or equal to first level threshold, and the second temperature threshold value is more than or equal to institute
State the first temperature threshold.
10. device according to claim 9, which is characterized in that the first detection module is also used to:
After controlling the antifreeze electric heating function and closing, current environmental temperature and the institute of the evaporator local environment are detected
State current signature parameter of the evaporator inner refrigerant in evaporating state；
The first judgment module, is also used to
Judge whether the current environmental temperature is greater than preset third temperature threshold, and judges that the current signature parameter is
It is no to be greater than fisrt feature parameter threshold；
The control module is also used to judge that the current environmental temperature is greater than preset third in the first judgment module
Temperature threshold or the current signature parameter are greater than fisrt feature parameter threshold, control the antifreeze water circulating pump and close.
11. according to the described in any item devices of claim 7-10, which is characterized in that the control module is also used to:
Before the current level of detection evaporator inner refrigerant and the current water temperature of the evaporator, the antifreeze circulation is controlled
Water pump is opened.
12. device according to claim 11, which is characterized in that the first detection module is also used to: detecting the steaming
Send out the initial characteristics parameter of the original ambient temperature and the evaporator inner refrigerant of device local environment in evaporating state；
The first judgment module, is also used to judge whether the original ambient temperature is less than preset 4th temperature threshold, with
And judge whether the initial characteristics parameter is less than preset second feature parameter threshold；
The control module, specifically for judging that the original ambient temperature is less than the described 4th in the first judgment module
When temperature threshold or the initial characteristics parameter are less than the second feature parameter threshold, control the antifreeze water circulating pump and open
It opens.
13. a kind of winterization system of evaporator, which is characterized in that anti-including the described in any item evaporators of claim 7-12
Freeze device.
14. a kind of air-conditioner set, which is characterized in that the winterization system including the evaporator described in claim 13.
15. a kind of electronic equipment, which is characterized in that including memory, processor；
Wherein, the processor is run by reading the executable program code stored in the memory can be performed with described
The corresponding program of program code, in the antifreeze method for realizing evaporator such as claimed in any one of claims 1 to 6.
16. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program
The antifreeze method such as evaporator as claimed in any one of claims 1 to 6 is realized when being executed by processor.
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| CN201810599989.0A CN109028466A (en) | 2018-06-12 | 2018-06-12 | The antifreeze method, apparatus and system of air-conditioner set, evaporator |
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| CN112460711A (en) * | 2020-12-16 | 2021-03-09 | 珠海格力电器股份有限公司 | Water chilling unit control method and device and water chilling unit |
| CN113932399A (en) * | 2020-07-13 | 2022-01-14 | 广东美的暖通设备有限公司 | Anti-freezing control method and device, cold and hot water machine and computer storage medium |
| CN115451574A (en) * | 2022-09-21 | 2022-12-09 | 珠海格力电器股份有限公司 | Condensed water treatment method and device, air conditioner and storage medium |
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Application publication date: 20181218 |