CN109682161A - A kind of Fresh Juice vending machine frequency conversion refrigeration control method and its system - Google Patents
A kind of Fresh Juice vending machine frequency conversion refrigeration control method and its system Download PDFInfo
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- CN109682161A CN109682161A CN201811441597.8A CN201811441597A CN109682161A CN 109682161 A CN109682161 A CN 109682161A CN 201811441597 A CN201811441597 A CN 201811441597A CN 109682161 A CN109682161 A CN 109682161A
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- 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
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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
- F25B49/027—Condenser control arrangements
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
- G07F9/10—Casings or parts thereof, e.g. with means for heating or cooling
- G07F9/105—Heating or cooling means, for temperature and humidity control, for the conditioning of articles and their storage
-
- 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
- F25B2600/11—Fan speed control
- F25B2600/111—Fan speed control of condenser fans
-
- 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
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- 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
- F25B2700/2104—Temperatures of an indoor room or compartment
-
- 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
- F25D2600/06—Controlling according to a predetermined profile
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Physics & Mathematics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of Fresh Juice vending machine frequency conversion refrigeration control method and its systems, wherein, method includes: the temperature value and target temperature value set by user obtained inside reach in freezer, start refrigeration system, refrigeration system cools down to reach in freezer inside, in temperature-fall period, compressor rotary speed value meets compressor mathematical model in the refrigeration system.System includes compressor rotary speed controller, temperature sensor, target temperature acquisition module and starting module.By adjusting compressor rotary speed value in refrigeration system, to reduce the energy consumption of refrigeration system, simultaneously, cool down in the form slowly approached to fruit juice, it has been surprisingly found that, start adjustment when 4 DEG C of distance objective temperature value and cool down in this form slowly approached to fruit juice, obtained fruit juice getting well than the mouthfeel that other modes cool down in mouthfeel.In terms of this method and its system are mainly used for Fresh Juice vending machine refrigeration control.
Description
Technical field
The present invention relates to refrigeration control technical field, in particular to a kind of Fresh Juice vending machine frequency conversion refrigeration control method
And its system.
Background technique
In the prior art, there is a kind of Fresh Juice vending machine, fresh fruit directly can be directly squeezed by this vending machine
Juice is drunk for client, and the fruit juice vending machine includes reach in freezer, and the reach in freezer storage inside has fruit juice to be frozen.It is described
Fruit juice vending machine is equipped with refrigeration system, and the refrigeration system includes compressor, evaporator, condenser and throttling set, the steaming
Hair device and condenser are equipped with exhaust fan, and the refrigeration system can cool down to reach in freezer inside, to realize to fruit juice
Freezing.
Generally in summer, the fruit juice of frost is very favored by client.Refrigeration of the existing Fresh Juice vending machine to fruit juice
For mode also in the Full-Speed mode for determining frequency, this Full-Speed mode energy consumption is larger, moreover, because particular/special requirement of the fruit juice to temperature,
Existing cooling mode can not make the mouthfeel of fruit juice reach best.
Summary of the invention
The present invention provides a kind of reduction energy consumption, while taste of juice being made to reach optimal Fresh Juice vending machine frequency conversion system
Cooling control method and its system.
The solution that the present invention solves its technical problem is: on the one hand, a kind of Fresh Juice vending machine frequency conversion refrigeration control
Method processed, comprising: obtain the temperature value and target temperature value set by user inside reach in freezer, start refrigeration system, refrigeration system
System cools down to reach in freezer inside, and in temperature-fall period, compressor rotary speed value meets compressor mathematics in the refrigeration system
Model, the compressor mathematical model are as follows:
Wherein, K is compressor rotary speed value in refrigeration system, and t is the temperature value inside reach in freezer, and T is mesh set by user
Mark temperature value, the KmaxUnit for 4000r/min-4500r/min, the t and T is DEG C that the temperature-fall period continues
Time >=5 minute and≤30 minutes.
Further, before starting refrigeration system, judge target temperature value set by user whether in suitable consumption temperature model
Within enclosing, the suitable consumption temperature range is 2 DEG C -10 DEG C, when the target temperature is within the scope of suitable consumption temperature, is opened
Dynamic refrigeration system, does not otherwise start refrigeration system.
Further, in temperature-fall period, the slewing rate value of condenser exhaust fan meets condenser in the refrigeration system
Mathematical model, the condenser mathematical model are as follows:
Wherein, V is the exhaust fan slewing rate value of condenser in refrigeration system, and t is the temperature value inside reach in freezer, and T is
Target temperature value set by user, the VmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
Further, in temperature-fall period, the slewing rate value of evaporator exhaust fan meets evaporator in the refrigeration system
Mathematical model, the evaporator mathematical model are as follows:
Wherein, C is the exhaust fan slewing rate value of evaporator in refrigeration system, and t is the temperature value inside reach in freezer, and T is
Target temperature value set by user, the CmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
On the other hand, a kind of Fresh Juice vending machine frequency conversion refrigeration control system, comprising: compressor rotary speed controller, temperature
Spend sensor, target temperature obtains module and starting module；
The starting module is for starting refrigeration system, and the refrigeration system to reach in freezer inside for cooling down；
The temperature sensor is used to obtain the temperature value inside reach in freezer；
The target temperature obtains module for obtaining target temperature value set by user；
The compressor rotary speed controller is used to control the revolving speed of compressor in refrigeration system according to compressor mathematical model,
The compressor mathematical model are as follows:
Wherein, K is compressor rotary speed value in refrigeration system, and t is the temperature value inside reach in freezer, and T is mesh set by user
Mark temperature value, the KmaxUnit for 4000r/min-4500r/min, the t and T is DEG C reach in freezer internal cooling process
Duration >=5 minute and≤30 minutes.
Further, this refrigeration control system further includes judgment module, and the judgment module is used to start in starting module and make
Before cooling system, judge target temperature value set by user whether be suitble to consumption temperature within the scope of, the suitable consumption temperature
Range is 2 DEG C -10 DEG C, and when the target temperature is when being suitble within the scope of consumption temperature, starting module starts refrigeration system, otherwise
Starting module does not start refrigeration system.
Further, this refrigeration control system further includes condenser exhaust fan control module, the condenser exhaust fan control
Module is used to control the revolving speed of condenser exhaust fan in refrigeration system, the condenser mathematical model according to condenser mathematical model
Are as follows:
Wherein, V is the exhaust fan slewing rate value of condenser in refrigeration system, and t is the temperature value inside reach in freezer, and T is
Target temperature value set by user, the VmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
Further, this refrigeration control system further includes evaporator exhaust fan control module, the evaporator exhaust fan control
Module is used to control the revolving speed of evaporator exhaust fan in refrigeration system, the evaporator mathematical model according to evaporator mathematical model
Are as follows:
Wherein, C is the exhaust fan slewing rate value of evaporator in refrigeration system, and t is the temperature value inside reach in freezer, and T is
Target temperature value set by user, the CmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
The beneficial effects of the present invention are: on the one hand, by adjusting compressor rotary speed value in refrigeration system, to reduce refrigeration
The energy consumption of system, then reduce Fresh Juice vending machine energy consumption, meanwhile, start when 4 DEG C of distance objective temperature value into
Row adjustment compressor rotary speed value, that is, adjust refrigeration system refrigerating capacity so that with this form slowly approached come to fruit juice into
Row cooling, has been surprisingly found that, 4 DEG C of distance objective temperature value whens start to adjust and come in this form slowly approached to fruit juice
Cool down, obtained fruit juice is being got well than the mouthfeel that other modes cool down in mouthfeel.
On the other hand, a kind of Fresh Juice vending machine frequency conversion refrigeration control system is provided, which is turned by compressor
Fast controller, temperature sensor, target temperature obtain module and starting module effectively controls refrigeration system, to reduce refrigeration
The energy consumption of system, then reduces the energy consumption of Fresh Juice vending machine, while providing fruit juice in good taste.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the step flow chart of refrigeration control method.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text
All connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding
Few couple auxiliary, Lai Zucheng more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
Embodiment 1, with reference to Fig. 1, a kind of Fresh Juice vending machine frequency conversion refrigeration control method, comprising steps of
Temperature value and target temperature value set by user inside S100, acquisition reach in freezer；
S200, starting refrigeration system；
S300, refrigeration system cool down to reach in freezer inside；
S400, in temperature-fall period, in the refrigeration system compressor rotary speed value with meet compressor mathematical model operating；
Wherein, the compressor mathematical model are as follows:
K is compressor rotary speed value in refrigeration system, and t is the temperature value inside reach in freezer, and T is target temperature set by user
Value, the KmaxUnit for 4000r/min-4500r/min, the t and T is DEG C that reach in freezer internal cooling process continues
Time >=5 minute and≤30 minutes.
The refrigeration system includes compressor, evaporator, condenser and throttling set, and the evaporator and condenser are all provided with
There is exhaust fan, the refrigeration system can cool down to reach in freezer inside, and reach in freezer inside portion loads freezing in need
Fruit juice.
Mathematic sign " [] " in the compressor mathematical model is expressed as round numbers, with KmaxFor 4000r/min
Son, when t >=T+4 DEG C, K=[100% × Kmax], i.e. K=4000r/min, similarly, as t < T+4 DEG C and t >=T+3 DEG C, K
=2800r/min；As t < T+3 DEG C and t >=T+2 DEG C, K=2000r/min；As t < T+2 DEG C and t >=T+1 DEG C, K=
800r/min；As t < T+1 DEG C and t >=T, K=400r/min.
By adjusting compressor rotary speed value in refrigeration system, so that the energy consumption of refrigeration system is reduced, meanwhile, in distance objective
Start to be adjusted compressor rotary speed value when 4 DEG C of temperature value, that is, adjust the refrigerating capacity of refrigeration system, so that with this slow
The form approached cools down to fruit juice, has been surprisingly found that, 4 DEG C of distance objective temperature value whens start adjustment and with this slow
Slowly the form approached cools down to fruit juice, obtained fruit juice in mouthfeel when the mouthfeel that other modes cool down
Good, certainly, entire temperature-fall period duration >=5 minute and≤30 minutes just can guarantee that taste of juice will not degenerate in this way,
Preferably temperature-fall period duration >=10 minute and≤15 minutes.
As optimization, before step S200, further comprises the steps of: and judge whether target temperature value set by user is being suitble to drink
Within temperature range, the suitable consumption temperature range is 2 DEG C -10 DEG C, when the target temperature is in suitable consumption temperature model
When enclosing interior, starts refrigeration system, otherwise do not start refrigeration system.
By discovery, control method in embodiment 1 is set in 2 DEG C -10 DEG C this temperature ranges for target temperature value
Interior progress fruit juice cooling, it is optimal for obtaining the mouthfeel of fruit juice.Therefore, target temperature value set by user is judged, from
And provide the user with optimal taste of juice experience.
As optimization, in temperature-fall period, the slewing rate value of condenser exhaust fan meets condensation in the refrigeration system
Device mathematical model, the condenser mathematical model are as follows:
Wherein, V is the exhaust fan slewing rate value of condenser in refrigeration system, and t is the temperature value inside reach in freezer, and T is
Target temperature value set by user, the VmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
With VmaxIt is example for 1000r/min, when t >=T+4 DEG C, i.e. V=1000r/min, similarly, as t < T+4 DEG C and t
>=T+3 DEG C when, V=850r/min；As t < T+3 DEG C and t >=T+2 DEG C, V=750r/min；As t < T+2 DEG C and t >=T+1 DEG C
When, K=550/min；As t < T+1 DEG C and t >=T, V=450r/min.
Since the tachometer value of compressor has changed, the rate of heat exchange also corresponding change, in order to reduce energy
Consumption, also does corresponding adjustment to the exhaust fan slewing rate value of condenser.
As optimization, in temperature-fall period, the slewing rate value of evaporator exhaust fan meets evaporation in the refrigeration system
Device mathematical model, the evaporator mathematical model are as follows:
Wherein, C is the exhaust fan slewing rate value of evaporator in refrigeration system, and t is the temperature value inside reach in freezer, and T is
Target temperature value set by user, the CmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
With CmaxIt is example for 1000r/min, when t >=T+4 DEG C, i.e. C=1000r/min, similarly, as t < T+4 DEG C and t
>=T+3 DEG C when, C=850r/min；As t < T+3 DEG C and t >=T+2 DEG C, C=750r/min；As t < T+2 DEG C and t >=T+1 DEG C
When, K=550/min；As t < T+1 DEG C and t >=T, C=450r/min.
Since the exhaust fan slewing rate value of the tachometer value of compressor, condenser has changed, the speed of heat exchange
Also corresponding change in order to reduce energy consumption also does corresponding adjustment to the exhaust fan slewing rate value of evaporator to rate.
By the exhaust fan turn for accordingly adjusting the tachometer value of compressor, the exhaust fan slewing rate value of condenser, evaporator
Dynamic rate value is to reduce the power consumption of entire refrigeration system.
On the other hand, a kind of Fresh Juice vending machine frequency conversion refrigeration control system, comprising: compressor rotary speed controller, temperature
Spend sensor, target temperature obtains module and starting module；
The starting module is for starting refrigeration system, and the refrigeration system to reach in freezer inside for cooling down；
The temperature sensor is used to obtain the temperature value inside reach in freezer；
The target temperature obtains module for obtaining target temperature value set by user；
The compressor rotary speed controller is used to control the revolving speed of compressor in refrigeration system according to compressor mathematical model,
The compressor mathematical model are as follows:
Wherein, K is compressor rotary speed value in refrigeration system, and t is the temperature value inside reach in freezer, and T is mesh set by user
Mark temperature value, the KmaxUnit for 4000r/min-4500r/min, the t and T is DEG C that the temperature-fall period continues
Time >=5 minute and≤30 minutes.
As optimization, the refrigeration control system further includes judgment module, and the judgment module in starting module for opening
Before dynamic refrigeration system, judge target temperature value set by user whether within the scope of being suitble to consumption temperature, it is described to be suitble to drink
Temperature range is 2 DEG C -10 DEG C, and when the target temperature is when being suitble within the scope of consumption temperature, starting module starts refrigeration system,
Otherwise starting module does not start refrigeration system.
As optimization, the refrigeration control system further includes condenser exhaust fan control module, the condenser exhaust fan
Control module is used to control the revolving speed of condenser exhaust fan in refrigeration system, the condenser mathematics according to condenser mathematical model
Model are as follows:
Wherein, V is the exhaust fan slewing rate value of condenser in refrigeration system, and t is the temperature value inside reach in freezer, and T is
Target temperature value set by user, the VmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
As optimization, the refrigeration control system further includes evaporator exhaust fan control module, the evaporator exhaust fan
Control module is used to control the revolving speed of evaporator exhaust fan in refrigeration system, the evaporator mathematics according to evaporator mathematical model
Model are as follows:
Wherein, C is the exhaust fan slewing rate value of evaporator in refrigeration system, and t is the temperature value inside reach in freezer, and T is
Target temperature value set by user, the CmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of Fresh Juice vending machine frequency conversion refrigeration control method characterized by comprising obtain the temperature inside reach in freezer
Value and target temperature value set by user start refrigeration system, and refrigeration system cools down to reach in freezer inside, in temperature-fall period
In, compressor rotary speed value meets compressor mathematical model, the compressor mathematical model in the refrigeration system are as follows:
Wherein, K is compressor rotary speed value in refrigeration system, and t is the temperature value inside reach in freezer, and T is target temperature set by user
Angle value, the KmaxUnit for 4000r/min-4500r/min, the t and T is DEG C the duration of the temperature-fall period
>=5 minutes and≤30 minutes.
2. a kind of Fresh Juice vending machine frequency conversion refrigeration control method according to claim 1, which is characterized in that starting
Before refrigeration system, judge target temperature value set by user whether be suitble to consumption temperature within the scope of, it is described to be suitble to drink temperature
Spending range is 2 DEG C -10 DEG C, and when the target temperature is when being suitble within the scope of consumption temperature, otherwise starting refrigeration system does not start
Refrigeration system.
3. a kind of Fresh Juice vending machine frequency conversion refrigeration control method according to claim 2, which is characterized in that cooling down
In the process, the slewing rate value of condenser exhaust fan meets condenser mathematical model, the condenser number in the refrigeration system
Learn model are as follows:
Wherein, V is the exhaust fan slewing rate value of condenser in refrigeration system, and t is the temperature value inside reach in freezer, and T is user
The target temperature value of setting, the VmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
4. a kind of Fresh Juice vending machine frequency conversion refrigeration control method according to claim 3, which is characterized in that cooling down
In the process, the slewing rate value of evaporator exhaust fan meets evaporator mathematical model, the evaporator number in the refrigeration system
Learn model are as follows:
Wherein, C is the exhaust fan slewing rate value of evaporator in refrigeration system, and t is the temperature value inside reach in freezer, and T is user
The target temperature value of setting, the CmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
5. a kind of Fresh Juice vending machine frequency conversion refrigeration control system characterized by comprising compressor rotary speed controller, temperature
Spend sensor, target temperature obtains module and starting module；
The starting module is for starting refrigeration system, and the refrigeration system to reach in freezer inside for cooling down；
The temperature sensor is used to obtain the temperature value inside reach in freezer；
The target temperature obtains module for obtaining target temperature value set by user；
The compressor rotary speed controller is used to control the revolving speed of compressor in refrigeration system according to compressor mathematical model, described
Compressor mathematical model are as follows:
Wherein, K is compressor rotary speed value in refrigeration system, and t is the temperature value inside reach in freezer, and T is target temperature set by user
Angle value, the KmaxUnit for 4000r/min-4500r/min, the t and T is DEG C that reach in freezer internal cooling process is held
Continue time >=5 minute and≤30 minutes.
6. a kind of Fresh Juice vending machine frequency conversion refrigeration control system according to claim 5, which is characterized in that further include
Judgment module, the judgment module are used for before starting module starts refrigeration system, judge that target temperature value set by user is
No the suitable consumption temperature range is 2 DEG C -10 DEG C within the scope of being suitble to consumption temperature, when the target temperature is being suitble to
When within the scope of consumption temperature, starting module starts refrigeration system, and otherwise starting module does not start refrigeration system.
7. a kind of Fresh Juice vending machine frequency conversion refrigeration control system according to claim 6, which is characterized in that further include
Condenser exhaust fan control module, the condenser exhaust fan control module are used to control refrigeration system according to condenser mathematical model
The revolving speed of condenser exhaust fan in system, the condenser mathematical model are as follows:
Wherein, V is the exhaust fan slewing rate value of condenser in refrigeration system, and t is the temperature value inside reach in freezer, and T is user
The target temperature value of setting, the VmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
8. a kind of Fresh Juice vending machine frequency conversion refrigeration control system according to claim 7, which is characterized in that further include
Evaporator exhaust fan control module, the evaporator exhaust fan control module are used to control refrigeration system according to evaporator mathematical model
The revolving speed of evaporator exhaust fan in system, the evaporator mathematical model are as follows:
Wherein, C is the exhaust fan slewing rate value of evaporator in refrigeration system, and t is the temperature value inside reach in freezer, and T is user
The target temperature value of setting, the CmaxUnit for 1000r/min-1500r/min, the t and T is DEG C.
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Application publication date: 20190426 |
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