CN104634030B - The cold water temperature control method of refrigerating plant and refrigerating plant - Google Patents
The cold water temperature control method of refrigerating plant and refrigerating plant Download PDFInfo
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- CN104634030B CN104634030B CN201410781209.6A CN201410781209A CN104634030B CN 104634030 B CN104634030 B CN 104634030B CN 201410781209 A CN201410781209 A CN 201410781209A CN 104634030 B CN104634030 B CN 104634030B
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- temperature
- refrigerating plant
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- water temperature
- refrigerating
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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
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
- F25D23/126—Water cooler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
-
- 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
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
-
- 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
-
- 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
- F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2600/00—Control issues
- F25C2600/02—Timing
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2700/00—Sensing or detecting of parameters; Sensors therefor
- F25C2700/14—Temperature of water
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/02—Timing
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/121—Sensors measuring the inside temperature of particular compartments
Abstract
The invention discloses the cold water temperature control method of a kind of refrigerating plant and refrigerating plant, the control method comprises the following steps：Control refrigerating plant enters keeping warm mode；Detect the water temperature in water tank in the refrigerating plant；If the water temperature is more than the first preset temperature, the refrigerating plant is then controlled to carry out refrigerating operaton with preset time so that the water temperature is less than second preset temperature, and control the refrigerating plant to stop refrigerating operaton after the preset time, wherein, second preset temperature is less than or equal to first preset temperature.Thus, water temperature control is realized by preset time, so as to more be accurately controlled the water temperature of cold water, water temperature and energy consumption more temperature, it is to avoid the influence of temperature controller accuracy of temperature control.
Description
Technical field
The present invention relates to household electrical appliance technical field, the cold water temperature control method and one of more particularly to a kind of refrigerating plant
Plant refrigerating plant.
Background technology
Related refrigerating plant is controlled by temperature controller to the temperature of cold water mostly, wherein, temperature controller is divided into pressure
Formula temperature controller and NTC electronic thermostats.The accuracy of temperature control of related temperature controller is generally between 1.5 to 2 degrees Celsius, and cold water is general
Only 3 to 5 degrees Celsius of temperature fluctuation, the so temperature control for cold water, the accuracy of temperature control of temperature controller are difficult to cold water
The high-precision control of temperature, and the accuracy of temperature control of temperature controller is difficult to improve, and causes the control of associated refrigeration device cold water temperature
Precision is also difficult to improve.
Therefore, the need for there is improvement in correlation technique.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is the cold water temperature control method for proposing a kind of refrigerating plant, and this method can more be accurately controlled cold water
Water temperature, it is to avoid the influence of temperature controller accuracy of temperature control.
It is another object of the present invention to propose a kind of refrigerating plant.
The cold water temperature control method for the refrigerating plant that embodiment is proposed, comprises the following steps according to an aspect of the present invention：
Control refrigerating plant enters keeping warm mode；Detect the water temperature in water tank in the refrigerating plant；If the water temperature is more than first
Preset temperature, then control the refrigerating plant to carry out refrigerating operaton with preset time so that the water temperature is preset less than described second
Temperature, and control the refrigerating plant to stop refrigerating operaton after the preset time, wherein, second preset temperature is less than
Equal to first preset temperature.
The cold water temperature control method of refrigerating plant according to embodiments of the present invention, under keeping warm mode, if in water tank
Water temperature be more than the first preset temperature, then control refrigerating plant to carry out refrigerating operaton with preset time so that water temperature is less than or equal to the
Two preset temperatures.Thus, water temperature control is realized by preset time, so as to more be accurately controlled the water temperature of cold water, water
Gentle energy consumption more temperature, it is to avoid the influence of temperature controller accuracy of temperature control.
According to one embodiment of present invention, when the refrigerating plant is run first, the control refrigerating plant enters
Also include before keeping warm mode：The refrigerating plant is controlled to carry out refrigerating operaton；Detect the water temperature in the water tank；When the water
Temperature is less than second preset temperature, controls the refrigerating plant to stop refrigerating operaton.
According to another embodiment of the invention, when the refrigerating plant is run first, the control refrigerating plant enters
Also include before entering keeping warm mode：Detect the initial water temperature in water tank in the refrigerating plant；Determined according to the initial water temperature
Initial operating time, and control the refrigerating plant to carry out refrigerating operaton so that in the water tank with the initial operating time
Water temperature is less than second preset temperature.
Specifically, determine that initial operating time is specifically included according to the initial water temperature：According to the gentle institute of the initial water
State the difference between the second preset temperature and determine the initial operating time.
Further, according to some embodiments of the present invention, when the refrigerating plant, which enters, uses water state, the refrigeration
The cold water temperature control method of device also includes：Detect the water temperature in the water tank；If water temperature in the water tank is more than the
Three preset temperatures, then control the refrigerating plant to carry out refrigerating operaton, determines whether whether the water temperature is less than described second
Preset temperature, if it is, controlling the refrigerating plant to stop refrigerating operaton, and controls the refrigerating plant to enter the insulation
State, wherein, the 3rd preset temperature is more than or equal to first preset temperature.
The refrigerating plant that embodiment is proposed according to a further aspect of the invention, including：Water tank；Temperature detector, for detecting
Water temperature in the water tank；Controller, the controller is used to control refrigerating plant to enter keeping warm mode, and obtains the water tank
Interior water temperature, if the water temperature is more than the first preset temperature, the controller controls the refrigerating plant with preset time
Refrigerating operaton is carried out so that the water temperature is less than second preset temperature, and controls the refrigeration to fill after the preset time
Stopping refrigerating operaton being put, wherein, second preset temperature is less than or equal to first preset temperature.
Refrigerating plant according to embodiments of the present invention, under keeping warm mode, presets if the water temperature in water tank is more than first
Temperature, then controller control refrigerating plant with preset time carry out refrigerating operaton so that water temperature be less than or equal to the second preset temperature.
Thus, water temperature control is realized by preset time, so as to more be accurately controlled the water temperature of cold water, water temperature and energy consumption are more
Temperature, it is to avoid the influence of temperature controller accuracy of temperature control.
According to one embodiment of present invention, when the refrigerating plant is run first, the controller is described in control
Refrigerating plant enters before the keeping warm mode, is additionally operable to：Control the refrigerating plant to carry out refrigerating operaton, detect the water tank
Interior water temperature, when the water temperature is less than second preset temperature, controls the refrigerating plant to stop refrigerating operaton.
According to another embodiment of the invention, when the refrigerating plant is run first, the controller is in control institute
State refrigerating plant to enter before the keeping warm mode, be additionally operable to：The initial water temperature in the water tank is obtained, according to the initial water
Temperature determines initial operating time, and controls the refrigerating plant to carry out refrigerating operaton so that the water with the initial operating time
Water temperature in case is less than second preset temperature.
Specifically, the controller specifically for：According to the difference between gentle second preset temperature of the initial water
Value determines the initial operating time.
According to one embodiment of present invention, when the refrigerating plant, which enters, uses water state, the controller is additionally operable to：
The water temperature in the water tank is obtained, if the water temperature in the water tank is more than the 3rd preset temperature, the refrigerating plant is controlled
Refrigerating operaton is carried out, determines whether whether the water temperature is less than second preset temperature, if it is, the control refrigeration
Device stops refrigerating operaton, and controls the refrigerating plant to enter the keeping warm mode, wherein, the 3rd preset temperature is more than
Equal to first preset temperature.
Brief description of the drawings
Fig. 1 is the cold water temperature control method flow chart of refrigerating plant according to embodiments of the present invention；
Fig. 2 is the cold water temperature control method flow chart of refrigerating plant according to an embodiment of the invention；
Fig. 3 is the cold water temperature control method flow chart of refrigerating plant in accordance with another embodiment of the present invention；
Fig. 4 is the cold water temperature control method flow chart of the refrigerating plant according to another embodiment of the invention；And
Fig. 5 is the block diagram of refrigerating plant according to embodiments of the present invention.
Reference：
Water tank 10, temperature detector 20 and controller 30.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
First the factor for influenceing temperature controller accuracy of temperature control is briefly described below.
The accuracy of temperature control of temperature controller is influenceed by each side factors such as generation material, production technology and assemblings, specifically,
The accuracy of temperature control of temperature controller is specifically influenceed by following factor：
1st, production material.
By taking the production material of compression-type temperature controller in itself as an example, compression-type temperature controller is made according to the principle expanded with heat and contract with cold
, compression-type temperature controller realizes temperature control by promoting the action of its internal lever contact is connected or is disconnected,
Thus, the mechanical property of compression-type temperature controller internals production material is directly connected to accuracy of temperature control, but material property is improved
To after certain precision, it may be difficult to continue to improve.
By taking the production material of NTC electronic thermostats in itself as an example, NTC electronic thermostats are the principle systems according to thermistor
Make, so the accuracy of temperature control of NTC electronic thermostats is directly influenceed by the material purity of thermistor in itself.
2nd, production technology.
By taking the production technology of compression-type temperature controller in itself as an example, the machine work principle of compression-type temperature controller determines its temperature
Controlling precision is influenceed by the level of processing in production process, if its internal various parts machining accuracy is high, machine part is moved
Make smooth, then its accuracy of temperature control is high；Otherwise, accuracy of temperature control is low.
3rd, assemble.
The tightness degree influence accuracy of temperature control that the temperature-sensitive head of temperature controller is contacted with controlled product structure, while accuracy of temperature control
It is relevant with the assembling level of workman.
Thus, compression-type temperature controller is limited by production material is difficult to improve accuracy of temperature control, and NTC electronic thermostats are filled
Limitation with error is also difficult to improve accuracy of temperature control, so that the accuracy of temperature control of temperature controller is difficult to improve, causes associated refrigeration device
The accuracy of temperature control of cold water temperature is also difficult to improve.
Based on this, the present invention proposes the cold water temperature control method and a kind of refrigerating plant of a kind of refrigerating plant.
Below with reference to the accompanying drawings 1-5 fills to describe the cold water temperature control method and refrigeration of the refrigerating plant of the embodiment of the present invention
Put.
Fig. 1 is the cold water temperature control method flow chart of refrigerating plant according to embodiments of the present invention.As shown in figure 1, should
The cold water temperature control method of refrigerating plant comprises the following steps：
S1：Control refrigerating plant enters keeping warm mode.
S2：Detect the water temperature in water tank in refrigerating plant.
S3：If water temperature be more than the first preset temperature, control refrigerating plant with preset time carry out refrigerating operaton so that
Water temperature is less than the second preset temperature, and controls refrigerating plant to stop refrigerating operaton after preset time, wherein, the second preset temperature
Less than or equal to the first preset temperature.
That is, after refrigerating plant enters keeping warm mode, if no one's water, control refrigerating plant is default
Run in temperature range, that is, control the water temperature in water tank to change between the first preset temperature and the second preset temperature.
Need what is illustrated, according to conservation of energy principle, when can the energy variation produced by temperature change be changed into
Between change the energy variation of generation.So, same refrigerating plant is issued to identical preset temperature in same refrigerating environment,
Required cooling time is certain, thus, the run time of refrigerating operaton can be set in product development, is made by setting
The run time of cold operation makes the water temperature in water tank reach preset temperature, so as to avoid water temperature control accuracy various by temperature controller
The influence of factor.
In refrigerating plant running, under keeping warm mode, the water temperature in water tank can be detected in real time, when water temperature is more than the
During one preset temperature, control refrigerating plant switches to carry out refrigerating operaton by stopping refrigerating operaton, and mould is controlled into the set time
Formula, after operation preset time, control refrigerating plant stops refrigerating operaton, and now the water temperature in water tank will be less than second and preset
Temperature.More specifically, when water temperature is more than the first preset temperature, compressor can be started, refrigerating plant carries out refrigerating operaton, and controls
Compressor operating preset time processed, can close compressor, refrigerating plant stopping refrigeration fortune after compressor operating preset time
OK.
So, under keeping warm mode, the water temperature in water tank is maintained at the second preset temperature.Wherein, the second preset temperature
The first preset temperature is smaller than, so that by setting return difference (for example, return difference, which is the first preset temperature, subtracts the second preset temperature
Difference) high frequent can be avoided to start and close, certain second preset temperature can also be equal to the first preset temperature.
The cold water temperature control method of the refrigerating plant of the embodiment of the present invention, under keeping warm mode, if the water in water tank
Temperature is more than the first preset temperature, then controls refrigerating plant to carry out refrigerating operaton with preset time so that water temperature is pre- less than or equal to second
If temperature.Thus, water temperature control is realized by preset time, so as to more be accurately controlled the water temperature of cold water, water temperature and
Energy consumption more temperature, it is to avoid the influence of temperature controller accuracy of temperature control.
According to one embodiment of present invention, as shown in Fig. 2 when refrigerating plant is run first, control refrigerating plant enters
Also include before entering keeping warm mode：
S10：Refrigerating plant is controlled to carry out refrigerating operaton.
S20：Detect the water temperature in water tank.
S30：When water temperature is less than the second preset temperature, control refrigerating plant stops refrigerating operaton.
That is, when refrigerating plant upper electricity first, control refrigerating plant carries out refrigerating operaton, can specifically start compression
Machine, the water temperature in detection water tank, can not now consider the time in real time, when water temperature is less than the second preset temperature, just control refrigeration dress
Put stopping refrigerating operaton, specifically can close compressor, and control refrigerating plant to enter keeping warm mode.
According to another embodiment of the invention, as shown in figure 3, when refrigerating plant is run first, controlling refrigerating plant
Also include before into keeping warm mode：
S100：Detect the initial water temperature in water tank in refrigerating plant.
S200：Initial operating time is determined according to initial water temperature, and controls refrigerating plant with initial operating time system
Cold operation is so that the water temperature in water tank is less than the second preset temperature.
That is, when refrigerating plant upper electricity first, first detecting the water temperature in water tank to obtain initial water temperature, Ran Hougen
The run time for determining to carry out refrigerating operaton first according to initial water temperature is initial operating time, finally, and control refrigerating plant starts
Refrigerating operaton is carried out, after operation initial operating time, control refrigerating plant stops refrigerating operaton, and now the water temperature in water tank will
The second preset temperature can be less than.More specifically, compressor can be started, compressor operating initial operating time is controlled, in compressor
Run initial operating time after, can close compressor, refrigerating plant stop refrigerating operaton, and control refrigerating plant enter insulation
State.
Specifically, according to one embodiment of present invention, determine that initial operating time is specifically included according to initial water temperature：Root
Initial operating time is determined according to the difference between gentle second preset temperature of initial water.
, wherein it is desired to which explanation, when the second preset temperature immobilizes, can determine initial fortune according only to initial water temperature
Row time, and the different corresponding different initial operating times of initial water temperature, initial water can be prestored in refrigerating plant
Relation table between temperature and initial operating time.When the second preset temperature can be set by the user, it can be determined just according only to difference
Beginning run time, the different initial operating time of different difference correspondences, can prestore initial water gentle in refrigerating plant
The relation table between difference and initial operating time between second preset temperature.
Further, according to still another embodiment of the invention, as shown in figure 4, when refrigerating plant enter use water state when,
The cold water temperature control method of refrigerating plant also includes：
S4：Detect the water temperature in water tank.
S5：If the water temperature in water tank is more than the 3rd preset temperature, control refrigerating plant carries out refrigerating operaton, further
Judge whether water temperature is less than the second preset temperature, if it is, control refrigerating plant stops refrigerating operaton, and control refrigerating plant
Into keeping warm mode, wherein, the 3rd preset temperature is more than or equal to the first preset temperature.
That is, when user's water, the cold water in water tank will flow out from the delivery port of refrigerating plant, refrigerating plant
It will be risen into the water temperature used in water state, water tank with faster speed, when the water temperature in water tank rises to the 3rd preset temperature
When, compressor can be started, control refrigerating plant carries out refrigerating operaton, and the water temperature in detection water tank in real time, this time refrigerating operaton
There is no time restriction, when water temperature be less than the second preset temperature, just control refrigerating plant stopping refrigerating operaton, close compressor, and
And control refrigerating plant enters keeping warm mode.Certainly, if after user terminates with water, it is pre- that the water temperature in water tank does not rise to the 3rd
If temperature, then directly control refrigerating plant enters keeping warm mode.
In order to realize the above embodiments, the embodiment of the present invention also proposed a kind of refrigerating plant.
Fig. 5 is the block diagram of refrigerating plant according to embodiments of the present invention.As shown in figure 5, the refrigerating plant includes：
Water tank 10, temperature detector 20 and controller 30.
Wherein, temperature detector 20 is used to detect the water temperature in water tank 10；Controller 30 is connected with temperature detector, control
Device 30 is used to control refrigerating plant to enter keeping warm mode, and obtains the water temperature in water tank 10, if water temperature is more than the first default temperature
Degree, then controller 30 control refrigerating plant with preset time carry out refrigerating operaton so that water temperature be less than the second preset temperature, and
Refrigerating plant is controlled to stop refrigerating operaton after preset time, wherein, the second preset temperature is less than or equal to the first preset temperature.Also
It is to say, after refrigerating plant enters keeping warm mode, if no one's water, controller 30 controls refrigerating plant in preset temperature
Run in interval, that is, control the water temperature in water tank to change between the first preset temperature and the second preset temperature.
Need what is illustrated, according to conservation of energy principle, when can the energy variation produced by temperature change be changed into
Between change the energy variation of generation.So, same refrigerating plant is issued to identical preset temperature in same refrigerating environment,
Required cooling time is certain, thus, the run time of refrigerating operaton can be set in product development, is made by setting
The run time of cold operation makes the water temperature in water tank reach preset temperature, so as to avoid water temperature control accuracy various by temperature controller
The influence of factor.
In refrigerating plant running, under keeping warm mode, controller 30 can obtain the water temperature in water tank 10 in real time, when
When water temperature is more than the first preset temperature, the control refrigerating plant of controller 30 switches to carry out refrigerating operaton by stopping refrigerating operaton,
Into set time control model, after operation preset time, the control refrigerating plant of controller 30 stops refrigerating operaton, now water
Water temperature in case will be less than the second preset temperature.More specifically, when water temperature is more than the first preset temperature, controller 30 can be opened
Dynamic compressor, refrigerating plant carries out refrigerating operaton, and controls compressor operating preset time, in compressor operating preset time
Afterwards, controller 30 can close compressor, refrigerating plant stopping refrigerating operaton.
So, under keeping warm mode, the water temperature in water tank is maintained at the second preset temperature.Wherein, the second preset temperature
The first preset temperature is smaller than, so that by setting return difference (return difference is the difference that the first preset temperature subtracts the second preset temperature)
High frequent can be avoided to start and close, certain second preset temperature can also be equal to the first preset temperature.
The refrigerating plant of the embodiment of the present invention, under keeping warm mode, if the water temperature in water tank 10 is more than the first default temperature
Spend, then the control refrigerating plant of controller 30 carries out refrigerating operaton so that water temperature is less than or equal to the second preset temperature with preset time.
Thus, water temperature control is realized by preset time, so as to more be accurately controlled the water temperature of cold water, water temperature and energy consumption are more
Temperature, it is to avoid the influence of temperature controller accuracy of temperature control.
According to one embodiment of present invention, when refrigerating plant is run first, controller 30 enters in control refrigerating plant
Enter before keeping warm mode, be additionally operable to：Refrigerating plant is controlled to carry out the water temperature in refrigerating operaton, detection water tank 10, when water temperature is less than
Second preset temperature, control refrigerating plant stops refrigerating operaton.
That is, when refrigerating plant upper electricity first, the control refrigerating plant of controller 30 carries out refrigerating operaton, specifically may be used
Start compressor, the water temperature in detection water tank 10, can not now consider the time in real time, when water temperature is less than the second preset temperature, control
Device 30 processed just control refrigerating plant stop refrigerating operaton, specifically can close compressor, and control refrigerating plant enter insulation shape
State.
According to another embodiment of the invention, when refrigerating plant is run first, controller 30 is in control refrigerating plant
Into before keeping warm mode, it is additionally operable to：The initial water temperature in water tank 10 is obtained, initial operating time is determined according to initial water temperature,
And control refrigerating plant to carry out refrigerating operaton with initial operating time so that the water temperature in water tank 10 is less than the second preset temperature.
That is, when refrigerating plant upper electricity first, controller 30 first obtains the water temperature in water tank to obtain initial water
Temperature, the run time that then controller 30 determines to carry out refrigerating operaton first according to initial water temperature is initial operating time, finally,
The control refrigerating plant of controller 30 proceeds by refrigerating operaton, after operation initial operating time, the control refrigeration dress of controller 30
Stopping refrigerating operaton being put, now the water temperature in water tank will be less than the second preset temperature.More specifically, controller 30 can start pressure
Contracting machine, controls compressor operating initial operating time, after compressor operating initial operating time, controller 30 can close compression
Machine, refrigerating plant stops refrigerating operaton, and controls refrigerating plant to enter keeping warm mode.
Specifically, according to one embodiment of present invention, controller 30 specifically for：It is default according to initial water gentle second
Difference between temperature determines initial operating time.
, wherein it is desired to which explanation, when the second preset temperature immobilizes, can determine initial fortune according only to initial water temperature
Row time, and the different corresponding different initial operating times of initial water temperature, initial water can be prestored in the controller 30
Relation table between temperature and initial operating time.When the second preset temperature can be set by the user, it can be determined just according only to difference
Beginning run time, the different initial operating time of different difference correspondences, initial water can be prestored in the controller 30 gentle
The relation table between difference and initial operating time between second preset temperature.
Further, according to still another embodiment of the invention, when refrigerating plant, which enters, uses water state, controller 30 is also
For：The water temperature in water tank 10 is obtained, if the water temperature in water tank 10 is more than the 3rd preset temperature, control refrigerating plant is carried out
Refrigerating operaton, determines whether whether water temperature is less than the second preset temperature, if it is, control refrigerating plant stops refrigeration fortune
OK, and refrigerating plant is controlled to enter keeping warm mode, wherein, the 3rd preset temperature is more than or equal to the first preset temperature.
That is, when user's water, the cold water in water tank 10 will flow out from the delivery port of refrigerating plant, refrigeration dress
Putting the water temperature in entrance water state, water tank will be risen with faster speed, when the water temperature in water tank rises to the 3rd default temperature
When spending, controller 30 can start compressor, and control refrigerating plant carries out refrigerating operaton, and obtain the water temperature in water tank in real time, this
Secondary refrigerating operaton does not have time restriction, and when water temperature is less than the second preset temperature, controller 30 just controls refrigerating plant to stop refrigeration
Operation, and close compressor, control refrigerating plant enter keeping warm mode.Certainly, if after user terminates with water, the water in water tank
Wen Wei rises to the 3rd preset temperature, then the directly control refrigerating plant of controller 30 enters keeping warm mode.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (6)
1. the cold water temperature control method of a kind of refrigerating plant, it is characterised in that comprise the following steps：
Control refrigerating plant enters keeping warm mode；
Detect the water temperature in water tank in the refrigerating plant；
If the water temperature be more than the first preset temperature, control the refrigerating plant with preset time carry out refrigerating operaton so that
The water temperature is less than the second preset temperature, and controls the refrigerating plant to stop refrigerating operaton after the preset time, wherein,
Second preset temperature is less than or equal to first preset temperature；
Wherein, when the refrigerating plant is run first, the control refrigerating plant also includes before entering keeping warm mode：
Detect the initial water temperature in water tank in the refrigerating plant；
Initial operating time is determined according to the initial water temperature, and controls the refrigerating plant to be carried out with the initial operating time
Refrigerating operaton is so that the water temperature in the water tank is less than second preset temperature；
Wherein, determine that initial operating time is specifically included according to the initial water temperature：
The initial operating time is determined according to the difference between gentle second preset temperature of the initial water.
2. the cold water temperature control method of refrigerating plant as claimed in claim 1, it is characterised in that when the refrigerating plant is first
During secondary operation, the control refrigerating plant also includes before entering keeping warm mode：
The refrigerating plant is controlled to carry out refrigerating operaton；
Detect the water temperature in the water tank；
When the water temperature is less than second preset temperature, the refrigerating plant is controlled to stop refrigerating operaton.
3. the cold water temperature control method of refrigerating plant as claimed in claim 1, it is characterised in that when the refrigerating plant enters
When entering to use water state, the cold water temperature control method of the refrigerating plant also includes：
Detect the water temperature in the water tank；
If the water temperature in the water tank is more than the 3rd preset temperature, controls the refrigerating plant to carry out refrigerating operaton, enter one
Step judges whether the water temperature is less than second preset temperature, if it is, control the refrigerating plant to stop refrigerating operaton,
And control the refrigerating plant to enter the keeping warm mode, wherein, the 3rd preset temperature, which is more than or equal to described first, to be preset
Temperature.
4. a kind of refrigerating plant, it is characterised in that including：
Water tank；
Temperature detector, for detecting the water temperature in the water tank；
Controller, the controller is used to control refrigerating plant to enter keeping warm mode, and obtains the water temperature in the water tank, if
The water temperature is more than the first preset temperature, then the controller control the refrigerating plant with preset time carry out refrigerating operaton with
The water temperature is less than the second preset temperature, and control the refrigerating plant to stop refrigerating operaton after the preset time, its
In, second preset temperature is less than or equal to first preset temperature；
Wherein, when the refrigerating plant is run first, the controller is controlling the refrigerating plant into the insulation shape
Before state, it is additionally operable to：The initial water temperature in the water tank is obtained, initial operating time is determined according to the initial water temperature, and control
Make the refrigerating plant and refrigerating operaton is carried out with the initial operating time so that the water temperature in the water tank is less than described second
Preset temperature；
Wherein, the controller specifically for：Determined according to the difference between gentle second preset temperature of the initial water
The initial operating time.
5. refrigerating plant as claimed in claim 4, it is characterised in that when the refrigerating plant is run first, the control
Device is additionally operable to before controlling the refrigerating plant to enter the keeping warm mode：
Control the refrigerating plant to carry out refrigerating operaton, detect the water temperature in the water tank, when the water temperature is less than described second
Preset temperature, controls the refrigerating plant to stop refrigerating operaton.
6. refrigerating plant as claimed in claim 4, it is characterised in that described when the refrigerating plant, which enters, uses water state
Controller is additionally operable to：
The water temperature in the water tank is obtained, if the water temperature in the water tank is more than the 3rd preset temperature, the refrigeration is controlled
Device carries out refrigerating operaton, determines whether whether the water temperature is less than second preset temperature, if it is, control is described
Refrigerating plant stops refrigerating operaton, and controls the refrigerating plant to enter the keeping warm mode, wherein, the 3rd preset temperature
More than or equal to first preset temperature.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410781209.6A CN104634030B (en) | 2014-12-16 | 2014-12-16 | The cold water temperature control method of refrigerating plant and refrigerating plant |
| RU2017125022A RU2671608C1 (en) | 2014-12-16 | 2015-04-30 | Refrigerating unit and method for controlling temperature of cold water used in it |
| PCT/CN2015/078095 WO2016095402A1 (en) | 2014-12-16 | 2015-04-30 | Refrigeration device and cold water temperature control method for same |
| US15/536,650 US20190086144A1 (en) | 2014-12-16 | 2015-04-30 | Refrigeration device and cold water temperature control method for same |
| MX2017007961A MX2017007961A (en) | 2014-12-16 | 2015-04-30 | Refrigeration device and cold water temperature control method for same. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410781209.6A CN104634030B (en) | 2014-12-16 | 2014-12-16 | The cold water temperature control method of refrigerating plant and refrigerating plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104634030A CN104634030A (en) | 2015-05-20 |
| CN104634030B true CN104634030B (en) | 2017-08-25 |
Family
ID=53213061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410781209.6A Active CN104634030B (en) | 2014-12-16 | 2014-12-16 | The cold water temperature control method of refrigerating plant and refrigerating plant |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20190086144A1 (en) |
| CN (1) | CN104634030B (en) |
| MX (1) | MX2017007961A (en) |
| RU (1) | RU2671608C1 (en) |
| WO (1) | WO2016095402A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243114A (en) * | 2018-03-07 | 2019-09-17 | 佛山市顺德区美的饮水机制造有限公司 | Water dispenser and its refrigeration fault detection method |
| CN110240109B (en) * | 2018-03-07 | 2021-02-02 | 佛山市顺德区美的饮水机制造有限公司 | Water dispenser and human-computer interaction system and prompt control method thereof |
| CN109221083A (en) * | 2018-09-14 | 2019-01-18 | 上海理工大学 | A kind of cooling system automatically controlling rate of temperature fall |
| CN113647827B (en) * | 2019-03-12 | 2023-06-30 | 佛山市顺德区美的饮水机制造有限公司 | Control method of water dispenser and water dispenser |
| CN112401655B (en) * | 2019-08-22 | 2022-09-16 | 佛山市顺德区美的饮水机制造有限公司 | Water dispenser, refrigeration control method thereof and computer readable storage medium |
| CN110953778B (en) * | 2019-12-17 | 2021-06-29 | 重庆美的通用制冷设备有限公司 | Control method and system of refrigeration equipment, refrigeration equipment and readable storage medium |
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| JPH07122528B2 (en) * | 1990-04-19 | 1995-12-25 | 三洋電機株式会社 | Absorption refrigerator |
| JPH0571857A (en) * | 1991-09-13 | 1993-03-23 | Toshiba Corp | Water cooler/heater |
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| JP2000234535A (en) * | 1999-02-12 | 2000-08-29 | Yamaha Motor Co Ltd | Exhaust device for plopulsion of ship |
| JP2001099467A (en) * | 1999-09-30 | 2001-04-13 | Mitsubishi Electric Corp | Control unit for thermal storage device |
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| KR101176455B1 (en) * | 2006-01-14 | 2012-08-30 | 삼성전자주식회사 | An apparatus for super-cooling and a refrigerator and it's control method |
| JP5064052B2 (en) * | 2007-02-08 | 2012-10-31 | 三洋電機株式会社 | Beverage dispenser |
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- 2015-04-30 US US15/536,650 patent/US20190086144A1/en not_active Abandoned
- 2015-04-30 RU RU2017125022A patent/RU2671608C1/en not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104634030A (en) | 2015-05-20 |
| US20190086144A1 (en) | 2019-03-21 |
| MX2017007961A (en) | 2018-07-06 |
| RU2671608C1 (en) | 2018-11-02 |
| WO2016095402A1 (en) | 2016-06-23 |
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