CN103592856A - Controller and control method for ice crystal cabinet - Google Patents
Controller and control method for ice crystal cabinet Download PDFInfo
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- CN103592856A CN103592856A CN201210294569.4A CN201210294569A CN103592856A CN 103592856 A CN103592856 A CN 103592856A CN 201210294569 A CN201210294569 A CN 201210294569A CN 103592856 A CN103592856 A CN 103592856A
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- 239000013078 crystal Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 24
- 235000013361 beverage Nutrition 0.000 claims abstract description 58
- 238000002425 crystallisation Methods 0.000 claims abstract description 45
- 230000008025 crystallization Effects 0.000 claims abstract description 45
- 238000004891 communication Methods 0.000 claims description 34
- 238000012545 processing Methods 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 230000004224 protection Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013178 mathematical model Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The invention provides a control method for an ice crystal cabinet. The method comprises the following steps: interruptedly detecting the temperature of a beverage storage space, the surface temperature of an evaporator and the switching state of the door of the ice crystal cabinet to acquire set parameters; determining the variance of a beverage crystallizing point according to the detected set parameters; and controlling a load to operate according to the determination value of the variance of the beverage crystallizing point to enable the temperature value of the beverage storage space to fluctuate nearby the beverage crystallizing point so as to automatically adjust crystallization completing time. By using the control method for the ice crystal cabinet, various protection and energy conservation effects can be provided for the load so as to realize an ideal crystallization state.
Description
Technical field
Invention relates to ice crystal cabinet controller field; especially relate to a kind of controller for ice crystal cabinet and control method thereof; by gathering various parameters, carry out Based Intelligent Control, and can control all loads of ice crystal cabinet, have and provide various protections and energy-conserving action to load.
Background technology
Ice crystal cabinet is a kind of a kind of beverage cabinet that is used for beverage to be chilled to part ice crystal crystalline state, along with society is pursued the trend that quality of the life promotes, people are for the mouthfeel of beverage high request more and more, the beverage of most of type, mouthfeel when crystalline state appears in beverage partially liq is best, but during due to beverage crystallization, required temperature environment and temperature variation are all different from conventional controller, apply conventional controller and cannot reach desirable beverage crystallization state of a control, so, the market demand of nonshared control unit that is applied to ice crystal cabinet is just more and more obvious.
In view of this, this area is needed a kind of controller for ice crystal cabinet badly, carries out Based Intelligent Control, and can control all loads of ice crystal cabinet by gathering various parameters, has and provides various protections and energy-conserving action to load.
Summary of the invention
In order to solve the deficiency of above-mentioned technology; invention provides a kind of controller for ice crystal cabinet and control method thereof, carries out Based Intelligent Control, and can control all loads of ice crystal cabinet by gathering various parameters; have and provide various protections and energy-conserving action to load, reached desirable crystalline state.
For solving the problems of the technologies described above, invention provides a kind of control method for ice crystal cabinet, comprises the steps: the on off state of the door of beverage storage space temperature, evaporator surface temperature, ice crystal cabinet uninterruptedly to detect, to gather setup parameter; According to the setup parameter detecting, judge beverage crystallization point variable quantity; And according to the judgment value control load operation of described beverage crystallization point variable quantity, the temperature value in described beverage storage space is floated up and down, automatically to adjust the crystallization deadline at beverage crystallization point.
What as another embodiment, provide is a kind of perfect, and described setup parameter comprises: the time point that opens the door, the temperature variation that opens the door time length, opens the door and cause.
What as another embodiment, provide is a kind of perfect, and described control method also comprises the steps: to adjust the duty parameter in described ice crystal cabinet, rationally controls each load switch time point and duration; Wherein: described duty parameter comprises: every operational factor of compressor, blower fan, defrost machine.
What as another embodiment, provide is a kind of perfect, and described control method also comprises the steps: to monitor the changing value of evaporator surface temperature, to control evaporator defrost, and when described evaporator surface temperature anomaly, starts ice crystal cabinet defencive function; The switch of the door of monitoring ice crystal cabinet, to control fan switch, headlamp switch and to judge whether to add high temperature beverage; And according to the door detecting the temperature while opening to the range of temperature of the beverage storage space in a period of time after closing, and according to the speed of temperature variation, carry out the number of the beverage quantity that analog computation puts into, to judge whether to add the beverage that needs crystallization.
What as another embodiment, provide is a kind of perfect, and described control method also comprises the steps: that according to compressor, temperature being reduced to the number of times of crystallization point and temperature recovery to the length of release time more than crystallization point comprehensively judges whether crystallization completes; According to the value that is reduced to setting of the accumulated time of compressor continuous service and intermittent duty and definite evaporator surface temperature, judge the opportunity that starts defrost; And finish defrost according to the value that the duration of defrost and evaporator surface temperature rise to setting, to realize defrost as required.
For solving the problems of the technologies described above, invention provides a kind of controller for ice crystal cabinet, comprising: the first micro-control unit; The first communication module, it connects described the first micro-control unit; The first power supply processing module, it connects described the first micro-control unit; The second micro-control unit; The second communication module, it connects described the second micro-control unit and described the first communication module; And second source processing module, it connects described the second micro-control unit.
What as another embodiment, provide is a kind of perfect, and described controlling party device also comprises: keyboard input module, and it connects described the first micro-control unit; And display module, it connects described the first micro-control unit.
What as another embodiment, provide is a kind of perfect, and described controlling party device also comprises: load control module, and it connects described the second micro-control unit; And load driver module, it is connected between described the second micro-control unit and described load control module.
What as another embodiment, provide is a kind of perfect, and described controlling party device also comprises: power cut-off duration detection module, and it connects described the second micro-control unit; And sensor assembly, it connects described the second micro-control unit.
What as another embodiment, provide is a kind of perfect, and described controlling party device also comprises: micro-control unit programming port, and it connects described the first micro-control unit; Reset and oscillating circuit, it connects described the first micro-control unit; The first communication terminal, it connects described the first communication module and described the first power supply processing module; And second communication terminal, it connects described the second communication module, described second source processing module and described the second communication module.
The controller for ice crystal cabinet and control method thereof that invention provides, carry out Based Intelligent Control by gathering various parameters, and can control all loads of ice crystal cabinet, has and provide various protections and energy-conserving action to load, reached desirable crystalline state
Accompanying drawing explanation
Fig. 1 is the circuit diagram according to the specific embodiment of the invention;
Fig. 2 is according to the module map of the controller of the specific embodiment of the invention;
Fig. 3 is according to the module map of the controller of the specific embodiment of the invention;
Fig. 4 is according to the process flow diagram of the controller of the specific embodiment of the invention.
Embodiment
Invention is invented in order to cater to above-mentioned expectation, it is the feature for beverage refrigeration according to ice crystal cabinet, by detecting the temperature of beverage storage space, evaporator surface temperature, according to the temperature value detecting, by specific mathematical model, corresponding load is controlled, pressure makes temperature in beverage storage space at the upper and lower forced-floating of crystallization point of beverage, on off state to the door of ice crystal cabinet is uninterruptedly monitored, time when opening the door, the open the door length of time, the collection of the relevant informations such as temperature impact that cause of opening the door, impact by preassigned pattern intelligent decision on crystalline state, automatically adjust the crystallization deadline.By the adjustment for duty parameters such as compressor, blower fan, defrosts, rationally control each load opening time and duration, and load is protected, load can be moved in energy-conservation and safe mode.By to the loaded integrative control of institute and monitoring, do not need external other control device, reach and reduce the object of controlling cost.Adopt operation display interface and control the separately design of power supply two parts, adopt three wires both can complete power supply and the communication function to display operation part, save the space that connecting line is installed, adapt to the more operating mode of installing.
As Figure 1-3, wherein Reference numeral has: P1: display module and keyboard input module, P2: the first micro-control unit (MCU), P3: the first communication module, P4: micro-control unit programming port, P5: the first power supply processing module, P6: reset and oscillating circuit, P7: the first communication terminal, P8: the second communication terminal, P9: second source processing module, P10: sensor assembly, P11: the second communication module, P12: the second micro-control unit (MCU), P13: load driver module, P14: power cut-off duration detection module, P15: load control module.
As shown in Figure 1-2, the present invention realizes according to following scheme, and it is realized principle and is illustrated as an example according to appended circuit theory diagrams one, and in figure mono-, P1 is partly the principle of demonstration and touch key-press; P2 and P12 are partly MCU(micro-control unit), the chip adopting in this example is HT66FU50, P3 and P11 are partly transmission communication principle, P4 and P8 center section are online burning program port, P7 and P8 left-hand component are three line communications and power delivery signal, only need to adopt as shown+12V; BUS; Tri-wires of GND just can meet request for utilization, and in figure, P5, P9 are partly power supply processing section, and P13 is relay drive circuit, and P15 is relay circuit, and P14 is power-off time testing circuit, and P10 is sensor and door switch testing circuit principle.Remaining circuit is auxiliary and MCU peripheral circuit.
The parameter that the present invention need to detect is the temperature of beverage storage space, evaporator surface temperature, the state of door switch etc., it detects principle as the P10 part of figure mono-, the temperature of beverage storage space and the crystallization point of stored beverage that it detects are compared, when temperature is reduced to crystallization point when following, compressor quits work, when temperature rising band crystallization point is above, compressor is opened, compressor is opened and is stopped all having minimum guard time and minimum restriction of holding time, its effect is to force the temperature of storage space is fluctuated at crystallization point according to certain mode, to reach crystallization rather than the whole effect of forming ice cube.
Evaporator surface temperature is for controlling the effect of evaporator defrost and monitoring evaporator surface temperature, starting protection function when evaporator temperature is abnormal.
Door switch monitoring is used for being controlled at and when door is opened, stops blower fan, for opening light, for judging whether to add a monitoring source of the operating modes such as high temperature beverage.
Detect whether to add that to need the beverage of crystallization determination methods be the range of temperature of the beverage storage space in a period of time after temperature when door being detected and opening is closed to door, and according to the speed of temperature variation and come beverage quantity that analog computation puts into number.
The judgement that crystallization completes: according to compressor, temperature is reduced to the number of times of crystallization point and temperature recovery to the length of release time more than crystallization point and comprehensively judges that crystallization completes.
The judgement of defrost judges the opportunity that starts defrost according to the value that is reduced to setting of the accumulated time of compressor continuous service and intermittent duty and definite evaporator surface temperature.And finish defrost according to the value that the duration of defrost and evaporator surface temperature rise to setting, to reach the demand of defrost as required.
Light is pressed to control and is opened and extinguish according to the unlatching of door and light button.
Blower fan according to the state of the start and stop of compressor, door switch and whether the parametric synthesis such as defrost control start and stop.
Communication line is that one, positive voltage wire, one, ground wire wire and one of signal conductor amount to three lines compositions.
As shown in Figure 4, for solving the problems of the technologies described above, invention provides a kind of control method for ice crystal cabinet, comprises the steps: the on off state of the door of beverage storage space temperature, evaporator surface temperature, ice crystal cabinet uninterruptedly to detect, to gather setup parameter; According to the setup parameter detecting, judge beverage crystallization point variable quantity; And according to the judgment value control load operation of described beverage crystallization point variable quantity, the temperature value in described beverage storage space is floated up and down, automatically to adjust the crystallization deadline at beverage crystallization point.
What as another embodiment, provide is a kind of perfect, and described setup parameter comprises: the time point that opens the door, the temperature variation that opens the door time length, opens the door and cause.
What as another embodiment, provide is a kind of perfect, and described control method also comprises the steps: to adjust the duty parameter in described ice crystal cabinet, rationally controls each load switch time point and duration; Wherein: described duty parameter comprises: every operational factor of compressor, blower fan, defrost machine.
What as another embodiment, provide is a kind of perfect, and described control method also comprises the steps: to monitor the changing value of evaporator surface temperature, to control evaporator defrost, and when described evaporator surface temperature anomaly, starts ice crystal cabinet defencive function; The switch of the door of monitoring ice crystal cabinet, to control fan switch, headlamp switch and to judge whether to add high temperature beverage; And according to the door detecting the temperature while opening to the range of temperature of the beverage storage space in a period of time after closing, and according to the speed of temperature variation, carry out the number of the beverage quantity that analog computation puts into, to judge whether to add the beverage that needs crystallization.
What as another embodiment, provide is a kind of perfect, and described control method also comprises the steps: that according to compressor, temperature being reduced to the number of times of crystallization point and temperature recovery to the length of release time more than crystallization point comprehensively judges whether crystallization completes; According to the value that is reduced to setting of the accumulated time of compressor continuous service and intermittent duty and definite evaporator surface temperature, judge the opportunity that starts defrost; And finish defrost according to the value that the duration of defrost and evaporator surface temperature rise to setting, to realize defrost as required.
As Figure 1-3, for solving the problems of the technologies described above, invention provides a kind of controller for ice crystal cabinet, comprising: the first micro-control unit P2; The first communication module P3, it connects described the first micro-control unit P2; The first power supply processing module P5, it connects described the first micro-control unit P2; The second micro-control unit P12; The second communication module P11, it connects described the second micro-control unit P12 and described the first communication module P3; And second source processing module P9, it connects described the second micro-control unit P12.
What as another embodiment, provide is a kind of perfect, and described controlling party device also comprises: keyboard input module, and it connects described the first micro-control unit P2; And display module, it connects described the first micro-control unit P2.
What as another embodiment, provide is a kind of perfect, and described controlling party device also comprises: load control module P15, and it meets described the second micro-control unit P12; And load driver module P13, it is connected between described the second micro-control unit P12 and described load control module P15.
What as another embodiment, provide is a kind of perfect, and described controlling party device also comprises: power cut-off duration detection module P14, and it connects described the second micro-control unit P12; And sensor assembly P10, it connects described the second micro-control unit P12.
What as another embodiment, provide is a kind of perfect, and described controlling party device also comprises: micro-control unit programming port P4, and it connects described the first micro-control unit P2; Reset and oscillating circuit P6, it connects described the first micro-control unit P2; The first communication terminal P7, it connects described the first communication module P3 and described the first power supply processing module P5; And the second communication terminal P8, it connects described the second communication module P11, described second source processing module P9 and described the second communication module P11.
The invention discloses a kind of controller that ice crystal cabinet is controlled that is applied to, it is the feature for beverage refrigeration according to ice crystal cabinet, by detecting the temperature of beverage storage space, evaporator surface temperature, according to the temperature value detecting, by specific mathematical model, corresponding load is controlled, pressure makes temperature in beverage storage space at the upper and lower forced-floating of crystallization point of beverage, on off state to the door of ice crystal cabinet is uninterruptedly monitored, time when opening the door, the open the door length of time, the collection of the relevant informations such as temperature impact that cause of opening the door, impact by preassigned pattern intelligent decision on crystalline state, automatically adjust the crystallization deadline.By the adjustment for duty parameters such as compressor, blower fan, defrosts, rationally control each load opening time and duration, and load is protected, load can be moved in energy-conservation and safe mode.By to the loaded integrative control of institute and monitoring, do not need external other control device, reach and reduce the object of controlling cost.Adopt operation display interface and control the separately design of power supply two parts, adopt three wires both can complete power supply and the communication function to display operation part, save the space that connecting line is installed, adapt to the more operating mode of installing.
The invention provides a controller that is mainly used in ice crystal cabinet, it is characterized in that the surface temperature of the space temperature in ice crystal cabinet, evaporator to detect, and according to the numerical value detecting and specific mathematical model, corresponding load is controlled, to reach the object of desirable crystallization.Temperature in storage beverage space forces to float back and forth at the Tc point of beverage according to certain pattern up and down, to reach the object of beverage crystallization.Described controller can be monitored the door switch of ice crystal cabinet and beverage gear, according to its state variation, crystallization time countdown is carried out to adjustment, to reach the object of Based Intelligent Control.Described controller can, by all carrying out comparatively detailed protection and the definition of control mode to each operating mode correlation parameters such as compressor, blower fan, defrosts, be protected object that can be energy-conservation during load running to load to reach.Described controller can be collected door opening and closing state, state of temperature, load condition, and be applied to ice crystal load cashier's office in a shop and control completely as: compressor, blower fan, defrost heater strip, door heater strip, light etc. all, do not need external other opertaing device.Described controller can be by display operation part and separately design of control section, and three wires of middle use can be realized communication and Power supply, and convenient installation, saves the space that connecting line is installed, the more operating mode of installing of adaptation.
The described device of invention is not limited to the embodiment described in embodiment, so long as those skilled in the art draw other embodiment according to the technical scheme of invention, belongs to equally the scope of technological innovation and the protection of invention.
Claims (10)
1. for a control method for ice crystal cabinet, it is characterized in that, comprise the steps:
On off state to the door of beverage storage space temperature, evaporator surface temperature, ice crystal cabinet uninterruptedly detects, to gather setup parameter;
According to the setup parameter detecting, judge beverage crystallization point variable quantity; And
Judgment value control load operation according to described beverage crystallization point variable quantity, makes the temperature value in described beverage storage space float up and down at beverage crystallization point, automatically to adjust the crystallization deadline.
2. control method as claimed in claim 1, is characterized in that: described setup parameter comprises: the time point that opens the door, the temperature variation that opens the door time length, opens the door and cause.
3. control method as claimed in claim 1, is characterized in that, also comprises the steps:
Adjust the duty parameter in described ice crystal cabinet, rationally control each load switch time point and duration;
Wherein: described duty parameter comprises: every operational factor of compressor, blower fan, defrost machine.
4. control method as claimed in claim 1, is characterized in that, also comprises the steps:
The changing value of monitoring evaporator surface temperature, to control evaporator defrost, and when described evaporator surface temperature anomaly, starts ice crystal cabinet defencive function;
The switch of the door of monitoring ice crystal cabinet, to control fan switch, headlamp switch and to judge whether to add high temperature beverage; And
Temperature according to the door detecting while opening is to the range of temperature of the beverage storage space in a period of time after closing, and according to the speed of temperature variation come beverage quantity that analog computation puts into number, to judge whether to add the beverage that needs crystallization.
5. control method as claimed in claim 1, is characterized in that, also comprises the steps:
According to compressor, temperature is reduced to the number of times of crystallization point and temperature recovery to the length of release time more than crystallization point and comprehensively judges whether crystallization completes;
According to the value that is reduced to setting of the accumulated time of compressor continuous service and intermittent duty and definite evaporator surface temperature, judge the opportunity that starts defrost; And
The value that rises to setting according to the duration of defrost and evaporator surface temperature finishes defrost, to realize defrost as required.
6. a controller that is exclusively used in the ice crystal cabinet of control method described in claim 1-5, is characterized in that, comprising:
The first micro-control unit;
The first communication module, it connects described the first micro-control unit;
The first power supply processing module, it connects described the first micro-control unit;
The second micro-control unit;
The second communication module, it connects described the second micro-control unit and described the first communication module; And
Second source processing module, it connects described the second micro-control unit.
7. controller as claimed in claim 6, is characterized in that, also comprises:
Keyboard input module, it connects described the first micro-control unit; And
Display module, it connects described the first micro-control unit.
8. controller as claimed in claim 6, is characterized in that, also comprises:
Load control module, it connects described the second micro-control unit; And
Load driver module, it is connected between described the second micro-control unit and described load control module.
9. controller as claimed in claim 6, is characterized in that: also comprise:
Power cut-off duration detection module, it connects described the second micro-control unit; And
Sensor assembly, it connects described the second micro-control unit.
10. controller as claimed in claim 6, is characterized in that: also comprise:
Micro-control unit programming port, it connects described the first micro-control unit;
Reset and oscillating circuit, it connects described the first micro-control unit;
The first communication terminal, it connects described the first communication module and described the first power supply processing module; And
The second communication terminal, it connects described the second communication module, described second source processing module and described the second communication module.
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| CN201210294569.4A CN103592856B (en) | 2012-08-17 | 2012-08-17 | A kind of controller for ice crystal cabinet and control method thereof |
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| CN201210294569.4A CN103592856B (en) | 2012-08-17 | 2012-08-17 | A kind of controller for ice crystal cabinet and control method thereof |
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| US6739146B1 (en) * | 2003-03-12 | 2004-05-25 | Maytag Corporation | Adaptive defrost control for a refrigerator |
| US20040187503A1 (en) * | 2003-03-14 | 2004-09-30 | Davis Kenneth E. | Variable speed refrigeration system |
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Address after: 221116 No. 21, the Pearl River East Road, No. 3 Industrial Park, Xuzhou High tech Industrial Development Zone, Xuzhou, Jiangsu Province Patentee after: JIANGSU JINGCHUANG ELECTRONICS Co.,Ltd. Country or region after: Zhong Guo Address before: No. 1, Mount Huangshan Road, High tech Industrial Development Zone, Xuzhou City, Jiangsu Province, 221116 Patentee before: JIANGSU JINGCHUANG ELECTRONICS Co.,Ltd. Country or region before: Zhong Guo |