CN103822435A - Intelligent control method for refrigerating cabinet - Google Patents
Intelligent control method for refrigerating cabinet Download PDFInfo
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- CN103822435A CN103822435A CN201410081887.1A CN201410081887A CN103822435A CN 103822435 A CN103822435 A CN 103822435A CN 201410081887 A CN201410081887 A CN 201410081887A CN 103822435 A CN103822435 A CN 103822435A
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Abstract
The invention relates to an intelligent control method for a refrigerating cabinet. According to the method, a controller controls the refrigerating cabinet to enter a refrigerating controlled mode, the temperature inside a box body is sensed through an evaporator refrigerating probe and is compared with a power-on set temperature and a power-off set temperature, the controller controls the refrigerating cabinet to enter the refrigerating mode or to output switch-off signals, through judging whether the evaporator refrigerating probe, the refrigerating performance of the refrigerating cabinet and a defogging probe of an evaporator fail or not, the controller sends out high-temperature warning signals to prompt maintenance personnel to do overhaul, or the controller controls the refrigerating cabinet to enter the corresponding error correcting mode and the control mode; in the condensing controlled mode, the temperature of a condenser is sensed through a condenser temperature sensing probe, the controller controls the refrigerating cabinet to enter a condenser environment mode, if the condenser temperature sensing probe fails, the controller controls the refrigerating cabinet to enter a condenser error correcting mode, the intelligent fuzzy error correcting control on the refrigerating cabinet is realized, the refrigerating system operation is optimized, the energy is saved, the environment is protected, unnecessary economic loss of customers caused by thawing of objects in the refrigerating cabinet is avoided.
Description
Technical field
The present invention relates to refrigerator-freezer technical field, specifically, relate to a kind of intelligent control method of refrigerator-freezer.
Background technology
Along with the raising day by day of people's living standard, people are more and more higher for commercialization and the energy consumption of family expenses refrigerator-freezer and the requirement of Based Intelligent Control.On market, the control mode of existing refrigerator-freezer mostly adopts mechanical control device, machinery is controlled function singleness and is broken down and cannot intelligence regulate, cannot meet the requirement of people to intellectuality control, existing Electronic Control refrigerator-freezer in household electrical appliances market, although realized intellectuality in some functions, but in the time that refrigerator-freezer breaks down, cannot self-control, can not realize intelligent fuzzy false detection.And if people do not have to find in time that the temperature control of refrigerator-freezer breaks down, in refrigerator-freezer, article very easily melt, and bring a lot of inconvenience even to cause serious economic loss to client.
Summary of the invention
The object of this invention is to provide a kind of intelligent controller of refrigerator-freezer, can realize the intellectuality control of refrigerator-freezer, once detect that inductive probe breaks down, controller control refrigerator-freezer enters corresponding error correction mode and control model, effectively improves the reliability of refrigerator-freezer work.
Technical scheme of the present invention is: a kind of intelligent control method of refrigerator-freezer, controller control refrigerator-freezer enters refrigeration controlled mode and condensation controlled mode, by judging whether each inductive probe breaks down, controller control refrigerator-freezer enters corresponding error correction mode and control model, it is characterized in that: this intelligent control method comprises following control step:
(1) after refrigerator energising, controller control refrigeration system resets, and opens defrosting magnetic valve simultaneously, and the evaporimeter of the refrigerator-freezer of controller control subsequently and condenser enter respectively refrigeration controlled mode and condensation controlled mode;
(2) under refrigeration controlled mode, by evaporimeter chiller probe induction casing internal temperature, the box house temperature that induction is obtained compares with start design temperature and shutdown design temperature, if box house temperature is higher than start design temperature, controller control refrigerator-freezer enters refrigeration mode, and compressor is normally worked; If box house temperature is lower than shutting down design temperature, controller is exported cut-off signal, and compressor for freezer is in holding state;
(3) refrigerator-freezer enters after the refrigeration mode of step (2), judge whether evaporimeter chiller probe breaks down, if evaporimeter chiller probe breaks down, controller control refrigerator-freezer enters refrigeration error correction mode, after refrigeration error correction completes, enter defrosting pattern and blower fan reversing pattern; Whether the refrigeration performance that judges refrigerator-freezer breaks down, if refrigeration performance breaks down, controller control refrigerator-freezer produces high temperature alarm signal; Judge whether evaporator defrost probe breaks down, if evaporator defrost probe breaks down, controller control refrigerator-freezer enters defrosting error correction mode, after defrosting error correction completes, returns to step (2); If the refrigeration performance of evaporimeter chiller probe, refrigerator and evaporator defrost probe are all normally worked, controller control refrigerator-freezer enters defrosting pattern and blower fan reversing pattern, returns to step (2);
(4) under condensation controlled mode, by condenser temperature-sensing probe induction condenser temperature, controller control refrigerator-freezer enters condenser environmental pattern, comprise summer pattern and winter pattern, if condenser temperature-sensing probe breaks down, controller control refrigerator-freezer enters condensation error correction mode.
Preferably, described controller is mainly made up of central control circuit, logic control circuit, control relay circuit, data storage circuitry, electric source monitoring circuit and power circuit, and central control circuit is electrically connected with data storage circuitry, logic control circuit and control relay circuit.
Preferably, described controller is also connected with stereo-circulation voice inductive pick-up, when sensor sensing to around while having personnel to arrive, send voice broadcast information.
Preferably, described controller is provided with holding circuit, and in the time that under-voltage overcurrent appears in controller circuitry, controller output alarm signal, cuts off circuit in time.
Preferably, described controller is built-in with the asset identification chip system of the uniqueness of automatically identifying this product.
Preferably, described controller is provided with has power alarm and high temperature alarm circuit, in the time of the unexpected power-off of power supply, and controller output alarm signal.
The present invention's beneficial effect is compared with prior art:
This intelligent control method, controller control refrigerator-freezer enters refrigeration controlled mode and condensation controlled mode, under refrigeration controlled mode, compare by evaporimeter chiller probe induction casing internal temperature and start design temperature and shutdown design temperature, controller control refrigerator-freezer enters refrigeration mode or output cut-off signal, by judging evaporimeter chiller probe, whether the refrigeration performance of refrigerator-freezer and evaporator defrost probe break down, controller sends high temperature alarm signal and reminds maintenance personal to overhaul, or controller control refrigerator-freezer enters corresponding error correction mode and control model, under condensation controlled mode, by condenser temperature-sensing probe induction condenser temperature, controller control refrigerator-freezer enters condenser environmental pattern, if condenser temperature-sensing probe breaks down, controller control refrigerator-freezer enters condensation error correction mode.By this intelligent control method, in the time that refrigerator-freezer system breaks down, realize the intelligent fuzzy false detection to refrigerator-freezer, optimize refrigeration system operation, energy-conserving and environment-protective, avoid article in refrigerator-freezer to melt, and bring unnecessary economic loss to client.
Accompanying drawing explanation
Fig. 1 is control method schematic diagram of the present invention;
Fig. 2 is electric control principle schematic diagram of the present invention;
Fig. 3 is the schematic diagram of refrigeration system of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described:
Referring to Fig. 1, a kind of intelligent control method of refrigerator-freezer, controller control refrigerator-freezer enters refrigeration controlled mode and condensation controlled mode, by judging whether each inductive probe breaks down, controller control refrigerator-freezer enters corresponding error correction mode and control model, and this intelligent control method comprises following control step:
(1) after refrigerator energising, controller control refrigeration system resets, open defrosting magnetic valve simultaneously, guarantee refrigerator high-pressure system and low-pressure system reset balance, the evaporimeter of controller control refrigerator-freezer and condenser enter respectively refrigeration controlled mode and condensation controlled mode;
(2) under refrigeration controlled mode, by evaporimeter chiller probe induction casing internal temperature, the box house temperature that induction is obtained compares with start design temperature and shutdown design temperature, if box house temperature is higher than start design temperature, controller control refrigerator-freezer enters refrigeration mode, and compressor is normally worked; If box house temperature is lower than shutting down design temperature, controller is exported cut-off signal, and compressor for freezer is in holding state; If box house temperature is lower than start design temperature and higher than shutting down design temperature, controller control refrigerator-freezer enters refrigeration mode, compressor is normally worked;
(3) refrigerator-freezer enters after the refrigeration mode of step (2), judge whether evaporimeter chiller probe breaks down, if evaporimeter chiller probe breaks down, controller control refrigerator-freezer enters refrigeration error correction mode, after refrigeration error correction completes, enter defrosting pattern and blower fan reversing pattern; Whether the refrigeration performance that judges refrigerator-freezer breaks down, if refrigeration performance breaks down, controller control refrigerator-freezer sends high temperature alarm signal, reminds maintenance personal to overhaul refrigerator-freezer; Judge whether evaporator defrost probe breaks down, if evaporator defrost probe breaks down, controller control refrigerator-freezer enters defrosting error correction mode, after defrosting error correction completes, returns to step (2); If the refrigeration performance of evaporimeter chiller probe, refrigerator-freezer and evaporator defrost probe are all normally worked, controller control refrigerator-freezer enters normal defrosting pattern and blower fan reversing pattern, blower fan reversing pattern is blown off the dust being adsorbed on condenser, improve the condensation effect of condenser, to reach the object of energy-conserving and environment-protective, then return to step (2);
(4) under condensation controlled mode, by condenser temperature-sensing probe induction condenser temperature, controller control refrigerator-freezer enters condenser environmental pattern, comprise summer pattern and winter pattern, if condenser temperature-sensing probe breaks down, controller control refrigerator-freezer enters condensation error correction mode.
Be illustrated in figure 2 electric control principle schematic diagram of the present invention, the controller of this refrigerator-freezer is mainly made up of central control circuit, logic control circuit, control relay circuit, data storage circuitry, electric source monitoring circuit and power circuit, and central control circuit is electrically connected with data storage circuitry, logic control circuit and control relay circuit; The input of controller is electrically connected with evaporimeter chiller probe, the refrigeration detection components that detects refrigeration performance, evaporator defrost probe, condenser temperature-sensing probe, controller is also connected with stereo-circulation voice inductive pick-up, when sensor sensing to around while having personnel to arrive, send voice broadcast information; Controller is provided with holding circuit; in the time there is under-voltage overcurrent in controller circuitry; controller output alarm signal; remind maintenance personal to overhaul; controller is built-in with the asset identification chip system of the uniqueness of automatically identifying this product, and controller is provided with has power alarm and high temperature alarm circuit, in the time of the unexpected power-off of power supply; controller output alarm signal, reminds client in time.
The controller of this refrigerator is also connected with compressor M2, condenser, condensation fan M1, evaporimeter, defrosting magnetic valve K1 and throttling arrangement, Fig. 3 is the schematic diagram of refrigeration system of the present invention, compressor sucks the steam from evaporimeter lower pressure out, after being raise, pressure delivers in condenser, in condenser, be condensed into the liquid that pressure is higher, after throttling arrangement throttling, become the liquid that pressure is lower, deliver in evaporimeter, heat absorption vaporization in evaporimeter, become the form of steam, complete circularly cooling, and in the time opening compressor, open defrosting magnetic valve, guarantee refrigerator high-pressure system and low-pressure system reset balance, guarantee that compressor starts rapidly.
Claims (6)
1. the intelligent control method of a refrigerator-freezer, controller control refrigerator-freezer enters refrigeration controlled mode and condensation controlled mode, by judging whether each inductive probe breaks down, controller control refrigerator-freezer enters corresponding error correction mode and control model, it is characterized in that: this intelligent control method comprises following control step:
(1) after refrigerator energising, controller control refrigeration system resets, and opens defrosting magnetic valve simultaneously, and the evaporimeter of the refrigerator-freezer of controller control subsequently and condenser enter respectively refrigeration controlled mode and condensation controlled mode;
(2) under refrigeration controlled mode, by evaporimeter chiller probe induction casing internal temperature, the box house temperature that induction is obtained compares with start design temperature and shutdown design temperature, if box house temperature is higher than start design temperature, controller control refrigerator-freezer enters refrigeration mode, and compressor is normally worked; If box house temperature is lower than shutting down design temperature, controller is exported cut-off signal, and compressor for freezer is in holding state;
(3) refrigerator-freezer enters after the refrigeration mode of step (2), judge whether evaporimeter chiller probe breaks down, if evaporimeter chiller probe breaks down, controller control refrigerator-freezer enters refrigeration error correction mode, after refrigeration error correction completes, enter defrosting pattern and blower fan reversing pattern; Whether the refrigeration performance that judges refrigerator-freezer breaks down, if refrigeration performance breaks down, controller control refrigerator-freezer sends high temperature alarm signal; Judge whether evaporator defrost probe breaks down, if evaporator defrost probe breaks down, controller control refrigerator-freezer enters defrosting error correction mode, after defrosting error correction completes, returns to step (2); If the refrigeration performance of evaporimeter chiller probe, refrigerator-freezer and evaporator defrost probe are all normally worked, controller control refrigerator-freezer enters defrosting pattern and blower fan reversing pattern, returns to step (2);
(4) under condensation controlled mode, by condenser temperature-sensing probe induction condenser temperature, controller control refrigerator-freezer enters condenser environmental pattern, comprise summer pattern and winter pattern, if condenser temperature-sensing probe breaks down, controller control refrigerator-freezer enters condensation error correction mode.
2. the intelligent control method of refrigerator-freezer according to claim 1, it is characterized in that: described controller is mainly made up of central control circuit, logic control circuit, control relay circuit, data storage circuitry, electric source monitoring circuit and power circuit, central control circuit is electrically connected with data storage circuitry, logic control circuit and control relay circuit.
3. the intelligent control method of refrigerator-freezer according to claim 2, is characterized in that: described controller is also connected with stereo-circulation voice inductive pick-up, when sensor sensing to around while having personnel to arrive, send voice broadcast information.
4. the intelligent control method of refrigerator-freezer according to claim 2, is characterized in that: described controller is provided with holding circuit, and in the time that under-voltage overcurrent appears in controller circuitry, controller output alarm signal, cuts off circuit in time.
5. the intelligent control method of refrigerator-freezer according to claim 2, is characterized in that: described controller is built-in with the asset identification chip system of the uniqueness of automatically identifying this product.
6. the intelligent control method of refrigerator-freezer according to claim 2, is further characterized in that, described controller is provided with has power alarm and high temperature alarm circuit, in the time of the unexpected power-off of power supply, and controller output alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410081887.1A CN103822435B (en) | 2014-03-07 | 2014-03-07 | The intelligent control method of refrigerator-freezer |
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| CN201410081887.1A CN103822435B (en) | 2014-03-07 | 2014-03-07 | The intelligent control method of refrigerator-freezer |
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| CN103822435B CN103822435B (en) | 2015-08-05 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613730A (en) * | 2015-03-05 | 2015-05-13 | 合肥美菱股份有限公司 | Fault operation method for refrigerators, and refrigerator using fault operation method |
| CN106949705A (en) * | 2017-03-24 | 2017-07-14 | 江西天地人环保科技有限公司 | Full intelligence refrigeration system of refrigerator |
| CN107543363A (en) * | 2017-08-01 | 2018-01-05 | 南京创维家用电器有限公司 | A kind of method, refrigerator and storage device for protecting compressor for refrigeration |
| CN108302895A (en) * | 2018-01-08 | 2018-07-20 | 合肥华凌股份有限公司 | The energy-saving control method and refrigerator of refrigerator |
| CN113028732A (en) * | 2021-04-07 | 2021-06-25 | 创维电器股份有限公司 | Defrosting control logic method based on refrigerating box |
| CN113142910A (en) * | 2021-05-09 | 2021-07-23 | 江苏星星冷链科技有限公司 | High-efficient steam defrosting freezing show cupboard |
| CN113819673A (en) * | 2021-09-28 | 2021-12-21 | 澳柯玛股份有限公司 | Variable flow reversing defrosting system and method for refrigerator and freezer |
| CN114098364A (en) * | 2021-11-22 | 2022-03-01 | 青岛海容商用冷链股份有限公司 | Multiple composite sensing method, system, electronic device and medium |
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| CN2658670Y (en) * | 2003-08-29 | 2004-11-24 | 鲍劲松 | Multifunction digital controlled refrigerator protective device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613730A (en) * | 2015-03-05 | 2015-05-13 | 合肥美菱股份有限公司 | Fault operation method for refrigerators, and refrigerator using fault operation method |
| CN104613730B (en) * | 2015-03-05 | 2017-09-26 | 合肥美菱股份有限公司 | A kind of breakdown of refrigerator operation method and its refrigerator |
| CN106949705A (en) * | 2017-03-24 | 2017-07-14 | 江西天地人环保科技有限公司 | Full intelligence refrigeration system of refrigerator |
| CN107543363A (en) * | 2017-08-01 | 2018-01-05 | 南京创维家用电器有限公司 | A kind of method, refrigerator and storage device for protecting compressor for refrigeration |
| CN108302895A (en) * | 2018-01-08 | 2018-07-20 | 合肥华凌股份有限公司 | The energy-saving control method and refrigerator of refrigerator |
| CN113028732A (en) * | 2021-04-07 | 2021-06-25 | 创维电器股份有限公司 | Defrosting control logic method based on refrigerating box |
| CN113142910A (en) * | 2021-05-09 | 2021-07-23 | 江苏星星冷链科技有限公司 | High-efficient steam defrosting freezing show cupboard |
| CN113819673A (en) * | 2021-09-28 | 2021-12-21 | 澳柯玛股份有限公司 | Variable flow reversing defrosting system and method for refrigerator and freezer |
| CN114098364A (en) * | 2021-11-22 | 2022-03-01 | 青岛海容商用冷链股份有限公司 | Multiple composite sensing method, system, electronic device and medium |
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| CN103822435B (en) | 2015-08-05 |
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