CN202221212U - Intelligent defrosting computer refrigerator control system - Google Patents
Intelligent defrosting computer refrigerator control system Download PDFInfo
- Publication number
- CN202221212U CN202221212U CN2011203231315U CN201120323131U CN202221212U CN 202221212 U CN202221212 U CN 202221212U CN 2011203231315 U CN2011203231315 U CN 2011203231315U CN 201120323131 U CN201120323131 U CN 201120323131U CN 202221212 U CN202221212 U CN 202221212U
- Authority
- CN
- China
- Prior art keywords
- temperature sensor
- module
- single chip
- control system
- refrigerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Defrosting Systems (AREA)
Abstract
The utility model relates to an intelligent defrosting computer refrigerator control system, which comprises a single chip processor, a power module, a refrigerating chamber upper temperature sensor, a freezing chamber temperature sensor, a refrigerating chamber lower temperature sensor, an evaporator temperature sensor, an ambient temperature sensor and a door opening/closing signal processing module. The power module, the refrigerating chamber upper temperature sensor, the freezing chamber temperature sensor, the refrigerating chamber lower temperature sensor, the evaporator temperature sensor, the ambient temperature sensor and the door opening/closing signal processing module are connected with the single chip processor. A drive circuit connected with the single chip processor comprises a compressor drive module, a fan drive module, a ventilation door drive module and a defrosting heater drive module. The intelligent defrosting computer refrigerator control system also comprises an evaporator frosting detection module and an RS 232 communication module connected with the single chip processor. According to the utility model, the frosting thickness of the evaporator is detected to be adopted as the judgment basis. Therefore, only when the frosting degree of the evaporator is serious enough so as to influence the refrigerating effect of the refrigerator, the heating and defrosting operation is started. The control system is not influenced by the surrounding environment and usage conditions and can reduced the temperature fluctuation inside the refrigerator. Meanwhile, the power consumption of the refrigerator is lowered and the performance of the entire refrigerator is improved.
Description
Technical field
The utility model relates to a kind of refrigerator, especially a kind of computer refrigerator control system of intelligent defrosting.
Background technology
Any type of refrigeration system all might produce the frosting phenomenon, and its principal element is the humidity and water content in kind of air in the refrigerator.When the frost layer is very thin in the case, not fairly obvious to the heat transfer influence of evaporimeter, when frost layer progressive additive and after whole evaporimeter is encased by frost; Will have a strong impact on the heat-transfer capability of evaporimeter, the interior temperature of refrigerator can not fallen, according to surveying and determination; Evaporator surface frosting thickness is during greater than 6 millimeters; It is about 30% that heat transfer efficiency descends, and in this case, need defrost.
The automatic defrosting mode of current routine is through the accumulated running time defrost of judging refrigerator or compressor or regularly defrost; This mode has significant limitation: dry environment, refrigerator seldom open the door or refrigerator in food fewer; Cumulative time to and evaporimeter frosting is few; Defrost this moment causes the temperature inside the box to rise the unnecessary waste of electric energy; Under the situation that ambient humidity is high, food water is big or door opening times is many, the cumulative time does not arrive, and causes the evaporimeter heat-transfer capability to reduce but evaporimeter frosting is very serious, and not defrost will add the power consumption of large refrigerator.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, and a kind of computer refrigerator control system that can accurately control the intelligent defrosting of defrost is provided.
The utility model solves the technical scheme that its technical problem adopts: the computer refrigerator control system of this intelligent defrosting; Comprise processor of single chip computer, also comprise on the power module that is connected with processor of single chip computer, the refrigerating chamber temperature sensor, evaporator temperature sensor, environment temperature sensor, door switch signal processing module under temperature sensor, freezer temperature sensor, the refrigerating chamber; The drive circuit that is connected with processor of single chip computer comprises driven compressor module, blower fan driver module, air door driver module, defrosting heater driver module; Evaporimeter frosting detection module that is connected with processor of single chip computer and RS232 communication module.
As preferably, said evaporimeter frosting detection module comprises infrarede emitting diode, infrarede emitting diode one end ground connection, and an end is connected with current-limiting resistance, and the current-limiting resistance other end is connected with power supply, photo resistance one end ground connection, the other end is connected with the A of processor of single chip computer
/D changes the input port, and is connected with power supply through divider resistance.
As preferably, the evaporimeter that said light emitting diode is located in the cool-air feed portion of internal face one side of refrigerating chamber is positive, and the evaporimeter back side is located in photo resistance.
The effect that utility model is useful is: the utility model is to detect evaporimeter frosting thickness as basis for estimation; Can control refrigerator so only reaches in the evaporimeter frosting degree and just heats defrost when influencing refrigeration; Thereby do not receive the influence of surrounding environment and service condition; Reach and reduce the temperature inside the box fluctuation, the power consumption of reduction refrigerator, the purpose of the complete machine performance of raising refrigerator.This Defrost mode can be realized the effect of " should remove then remove, that removes must use up ", has intelligentized self adaptation, can avoid taking place the situation that waste of energy and food degenerate.
Description of drawings
Fig. 1: the control system module figure of the utility model;
Fig. 2: evaporimeter frosting testing circuit and single-chip microcomputer connection layout;
Fig. 3: white control method flow chart;
Description of reference numerals: processor of single chip computer 1, power module 2, temperature sensor 3 on the refrigerating chamber, freezer temperature sensor 4; Temperature sensor 5 under the refrigerating chamber, evaporator temperature sensor 6, environment temperature sensor 7, door switch signal processing module 8; Driven compressor module 9, blower fan driver module 10, air door driver module 11, defrosting heater driver module 12; Evaporimeter frosting detection module 13, RS232 communication module 14, infrarede emitting diode 15, current-limiting resistance 16; Power supply 17, divider resistance 18, photo resistance 19.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Embodiment: like Fig. 1; The computer refrigerator control system of this intelligent defrosting; Comprise processor of single chip computer 1, also comprise on the power module 2 that is connected with processor of single chip computer 1, the refrigerating chamber temperature sensor 5, evaporator temperature sensor 6, environment temperature sensor 7, door switch signal processing module 8 under temperature sensor 3, freezer temperature sensor 4, the refrigerating chamber; With the drive circuit that processor of single chip computer 1 is connected, comprise driven compressor module 9, blower fan driver module 10, air door driver module 11, defrosting heater driver module 12; Evaporimeter frosting detection module 13 that is connected with processor of single chip computer 1 and RS232 communication module 14.
The composition that the control system load drives is identical with conventional wind cooling refrigerator control system, wherein on processor of single chip computer 1, environment temperature sensor 7, the refrigerating chamber under temperature sensor 3, the refrigerating chamber temperature sensor 5, freezer temperature sensor 4 be used for the startup of compressor
/Stop Rule of judgment, on the refrigerating chamber under temperature sensor 3, the refrigerating chamber temperature sensor 5 be used for the switch Rule of judgment of MOD.As the sensing element of defrost control, different with mainstream technology now is evaporator temperature sensor 6 not only to be arranged, and evaporimeter frosting detection module 13 circuit are set in addition.Processor of single chip computer 1, evaporator temperature sensor 6 and evaporimeter frosting detection module 13 are used for the entering of defrost process and the basis for estimation that withdraws from.
Like Fig. 2, evaporimeter frosting detects mould 13 and comprises infrarede emitting diode 15, infrarede emitting diode 15 1 end ground connection; One end is connected with current-limiting resistance 16; Current-limiting resistance 16 other ends are connected with power supply 17, photo resistance 19 1 end ground connection, and the other end is connected with the A of processor of single chip computer 1
/D changes the input port, and is connected with power supply 17 through divider resistance 18.The evaporimeter that said light emitting diode 15 is located in the cool-air feed portion of internal face one side of refrigerating chamber is positive, and the evaporimeter back side is located in photo resistance 19.Sign_GD is the A of processor of single chip computer among the figure
/The D input port, photo resistance Rt1 and divider resistance Rt dividing potential drop, its change in resistance causes the change in voltage of Sign_GD input port.The input voltage of Sign_GD=[Rt1/ (Rt1+Rt)] * 5V, at the A of the inner Sign_GD of single-chip microcomputer
/The D converter changes voltage analog signal into corresponding digital signals, obtains corresponding evaporimeter frosting thickness through the software look-up routine.
Following table be LED over against photo resistance, measurement result when 0 ~ 5 layer of shelter:
| Test condition | Measurement result |
| Light emitting diode blocks entirely | 250 |
| Light emitting diode, 0 layer blocks | 40 |
| Light emitting diode, 1 layer blocks | 67 |
| Light emitting diode, 2 layers block | 86 |
| Light emitting diode, 3 layers block | 97 |
| Light emitting diode, 4 layers block | 112 |
| Light emitting diode, 5 layers block | 132 |
About the photoelectric intelligent defrosting control method of this refrigerator control system, its step is following:
Step 1, read the A of evaporimeter frosting detection module circuit
/D sampled value Z, if Z, gets into step 2 more than or equal to Z1, if otherwise judge that Z less than Z2 then get into step 2, then gets into step 3 greater than Z2;
Step 2, counting compressor accumulated running time T are if T more than or equal to T1 hour, gets into step 3, otherwise returns step 1;
Step 3, empty compressor accumulated running time T, get into the defrost flow process.Detect evaporator temperature this moment, if evaporator temperature greater than Tt then withdraw from the defrost flow process, whether evaporator temperature then judges the defrost time greater than T2 less than Tt, is then to withdraw from defrost, then judges the A of evaporimeter frosting detection module circuit less than T2
/If D sampled value Z is Z≤Z3 then stops defrost, otherwise continues defrost.
Above-mentioned steps two is evaporimeter frosting module crash handling flow process.
Above-mentioned Z1 is 250, and Z2 is 97, and Z3 is 40; T1 is 15 hours; Tt is 7 ℃, and T2 is 40 minutes.
Above-mentioned defrost flow process comprises that compressor stops, blower fan stops, air door closes, Defrost heater moves.
When the evaporator surface frosting after a little while, it is the highest that photo resistance receives the infrared light intensity that light emitting diode sends, A
/The D conversion value is low; When evaporator surface frosting thickness increased, photo resistance received the infrared light intensity that light emitting diode sends and weakens A
/The D conversion value raises; Be A
/So D conversion value and the evaporimeter frosting thickness relation of being inversely proportional to are through judging A
/The D conversion value is just known the frosting situation of evaporimeter; Just carry out defrost in the time of so just can controlling evaporimeter frosting to certain thickness; And do not receive the influence of environment and service condition, and under actual operating position, reduced the overall power of refrigerator, improved the overall performance of refrigerator.
Except that the foregoing description, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (3)
1. the computer refrigerator control system of an intelligent defrosting; Comprise processor of single chip computer (1), it is characterized in that: also comprise on the power module (2) that is connected with processor of single chip computer (1), the refrigerating chamber temperature sensor (5), evaporator temperature sensor (6), environment temperature sensor (7), door switch signal processing module (8) under temperature sensor (3), freezer temperature sensor (4), the refrigerating chamber; With the drive circuit that processor of single chip computer (1) is connected, comprise driven compressor module (9), blower fan driver module (10), air door driver module (11), defrosting heater driver module (12); Evaporimeter frosting detection module (13) that is connected with processor of single chip computer (1) and RS232 communication module (14).
2. the computer refrigerator control system of intelligent defrosting according to claim 1; It is characterized in that: said evaporimeter frosting detection module (13) comprises infrarede emitting diode (15); Infrarede emitting diode (15) one end ground connection, an end is connected with current-limiting resistance (16), and current-limiting resistance (16) other end is connected with power supply (17); Photo resistance (19) one end ground connection, the other end is connected with the A of processor of single chip computer (1)
/D changes the input port, and is connected with power supply (17) through divider resistance (18).
3. the computer refrigerator control system of intelligent defrosting according to claim 2 is characterized in that: the evaporimeter that said light emitting diode (15) is located in the cool-air feed portion of internal face one side of refrigerating chamber is positive, and the evaporimeter back side is located in photo resistance (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203231315U CN202221212U (en) | 2011-08-31 | 2011-08-31 | Intelligent defrosting computer refrigerator control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203231315U CN202221212U (en) | 2011-08-31 | 2011-08-31 | Intelligent defrosting computer refrigerator control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202221212U true CN202221212U (en) | 2012-05-16 |
Family
ID=46043236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203231315U Expired - Fee Related CN202221212U (en) | 2011-08-31 | 2011-08-31 | Intelligent defrosting computer refrigerator control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202221212U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438660A (en) * | 2013-09-05 | 2013-12-11 | 海信容声(广东)冰箱有限公司 | Refrigerator with Sabbath function |
| CN103884150A (en) * | 2012-12-24 | 2014-06-25 | 蒋红娟 | Intelligent refrigerator controller of intelligent home furnishing |
| CN104154696A (en) * | 2014-08-05 | 2014-11-19 | 合肥荣事达三洋电器股份有限公司 | Control method of defrosting system of air-cooled refrigerator |
| CN104482716A (en) * | 2014-12-31 | 2015-04-01 | 合肥美的电冰箱有限公司 | Defrosting control method for refrigerator and refrigerator |
| CN104930813A (en) * | 2015-06-24 | 2015-09-23 | 合肥美的电冰箱有限公司 | Air-cooled refrigerator temperature control method and system and air-cooled refrigerator |
| CN104930810A (en) * | 2014-08-11 | 2015-09-23 | 王爱玲 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN105091188A (en) * | 2014-05-05 | 2015-11-25 | 美的集团股份有限公司 | Air-conditioning control device and air-conditioning control method |
| CN105571239A (en) * | 2016-03-04 | 2016-05-11 | 广东格兰仕集团有限公司 | Automatic-control refrigerator and control method and defrosting method thereof |
| CN109838757A (en) * | 2017-09-08 | 2019-06-04 | 南京钧乔行汽车灯具有限公司 | A kind of headlight for vehicles cover surface removes accumulated snow method |
| CN109869951A (en) * | 2018-12-29 | 2019-06-11 | 青岛海尔股份有限公司 | Refrigeration system, refrigerator and control method |
| CN112130601A (en) * | 2020-10-28 | 2020-12-25 | 广州市优仪科技股份有限公司 | Humidity control method and device for test chamber, electronic equipment and storage medium |
| WO2021218369A1 (en) * | 2020-05-13 | 2021-11-04 | 青岛海尔电冰箱有限公司 | Refrigeration and freezing device and evaporator defrosting control device thereof |
| CN113701438A (en) * | 2021-08-04 | 2021-11-26 | Tcl家用电器（合肥）有限公司 | Refrigerator defrosting method and device, control equipment, refrigerator and storage medium |
| CN113720082A (en) * | 2021-09-15 | 2021-11-30 | 珠海格力电器股份有限公司 | Air cooler defrosting control method, device, equipment and system and air cooler |
| CN113865249A (en) * | 2020-06-30 | 2021-12-31 | 青岛海尔电冰箱有限公司 | Defrosting control method of air-cooled refrigerator and air-cooled refrigerator |
| CN113883770A (en) * | 2020-07-01 | 2022-01-04 | 海信（山东）冰箱有限公司 | Refrigerator and defrosting control method |
| CN114992972A (en) * | 2022-05-25 | 2022-09-02 | 河南新飞制冷器具有限公司 | Defrosting control method for air-cooled refrigerator |
-
2011
- 2011-08-31 CN CN2011203231315U patent/CN202221212U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884150A (en) * | 2012-12-24 | 2014-06-25 | 蒋红娟 | Intelligent refrigerator controller of intelligent home furnishing |
| CN103438660A (en) * | 2013-09-05 | 2013-12-11 | 海信容声(广东)冰箱有限公司 | Refrigerator with Sabbath function |
| CN103438660B (en) * | 2013-09-05 | 2015-09-02 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator and control method thereof with sabbath day function |
| CN105091188A (en) * | 2014-05-05 | 2015-11-25 | 美的集团股份有限公司 | Air-conditioning control device and air-conditioning control method |
| CN104154696A (en) * | 2014-08-05 | 2014-11-19 | 合肥荣事达三洋电器股份有限公司 | Control method of defrosting system of air-cooled refrigerator |
| CN104930810A (en) * | 2014-08-11 | 2015-09-23 | 王爱玲 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN104930810B (en) * | 2014-08-11 | 2017-05-24 | 国家电网公司 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN104482716A (en) * | 2014-12-31 | 2015-04-01 | 合肥美的电冰箱有限公司 | Defrosting control method for refrigerator and refrigerator |
| CN104930813A (en) * | 2015-06-24 | 2015-09-23 | 合肥美的电冰箱有限公司 | Air-cooled refrigerator temperature control method and system and air-cooled refrigerator |
| CN105571239A (en) * | 2016-03-04 | 2016-05-11 | 广东格兰仕集团有限公司 | Automatic-control refrigerator and control method and defrosting method thereof |
| CN109838757A (en) * | 2017-09-08 | 2019-06-04 | 南京钧乔行汽车灯具有限公司 | A kind of headlight for vehicles cover surface removes accumulated snow method |
| CN109869951A (en) * | 2018-12-29 | 2019-06-11 | 青岛海尔股份有限公司 | Refrigeration system, refrigerator and control method |
| WO2021218369A1 (en) * | 2020-05-13 | 2021-11-04 | 青岛海尔电冰箱有限公司 | Refrigeration and freezing device and evaporator defrosting control device thereof |
| CN113865249A (en) * | 2020-06-30 | 2021-12-31 | 青岛海尔电冰箱有限公司 | Defrosting control method of air-cooled refrigerator and air-cooled refrigerator |
| CN113883770A (en) * | 2020-07-01 | 2022-01-04 | 海信（山东）冰箱有限公司 | Refrigerator and defrosting control method |
| CN112130601A (en) * | 2020-10-28 | 2020-12-25 | 广州市优仪科技股份有限公司 | Humidity control method and device for test chamber, electronic equipment and storage medium |
| CN112130601B (en) * | 2020-10-28 | 2021-11-23 | 广州市优仪科技股份有限公司 | Humidity control method and device for test chamber, electronic equipment and storage medium |
| CN113701438A (en) * | 2021-08-04 | 2021-11-26 | Tcl家用电器（合肥）有限公司 | Refrigerator defrosting method and device, control equipment, refrigerator and storage medium |
| CN113720082A (en) * | 2021-09-15 | 2021-11-30 | 珠海格力电器股份有限公司 | Air cooler defrosting control method, device, equipment and system and air cooler |
| CN113720082B (en) * | 2021-09-15 | 2022-07-29 | 珠海格力电器股份有限公司 | Air cooler defrosting control method, device, equipment and system and air cooler |
| CN114992972A (en) * | 2022-05-25 | 2022-09-02 | 河南新飞制冷器具有限公司 | Defrosting control method for air-cooled refrigerator |
| CN114992972B (en) * | 2022-05-25 | 2024-04-05 | 河南新飞制冷器具有限公司 | Defrosting control method for air-cooled refrigerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202221212U (en) | Intelligent defrosting computer refrigerator control system | |
| CN101392977B (en) | Defrosting control method of non-frost refrigerator control system | |
| CN106931693B (en) | The defrosting control system and control method of air source heat pump or air-to-water heat pump | |
| CN201281520Y (en) | Non-frost refrigerator control system | |
| CN105222478B (en) | The method defrosted using freezer outside air auxiliary electrical heater | |
| CN106595215B (en) | The defrosting control method and device of wind cooling refrigerator | |
| CN101392979B (en) | Door switch counting refrigerator control system and control method for defrosting | |
| CN201803567U (en) | Defrosting control system of refrigerator | |
| CN103868320B (en) | A kind of control method of protection compressor of refrigerator | |
| CN102297565A (en) | Automatic defrosting control method for frost free refrigerator | |
| CN111322812A (en) | Control method and control device for intelligently defrosting air-cooled refrigerator and refrigerator | |
| CN102927783A (en) | Refrigerator and control method thereof | |
| CN201072272Y (en) | Heat pump defrosting control device of cooling and heating blower | |
| CN106440585B (en) | A kind of the intelligent comprehensive defroster and its implementation of net for air-source heat pump units | |
| CN202420019U (en) | Air conditioning air-cooled heat pump unit | |
| CN103906985A (en) | Refrigeration device having an evaporation pan | |
| CN202938793U (en) | Shield type photoelectric sensor for frost ice on condenser pipe of refrigerator | |
| CN102650488B (en) | Refrigerator and control method thereof | |
| CN104374141A (en) | Refrigerator frost collection plate and defrosting prompt system and control method of refrigerator frost collection plate | |
| CN101922846A (en) | Control system for single-door frostless refrigerator | |
| CN202267298U (en) | Defrosting refrigerator | |
| CN212619639U (en) | Refrigerating and freezing device and evaporator defrosting control device thereof | |
| CN203364526U (en) | Dew-point control system suitable for environmental testing | |
| CN102954663B (en) | Refrigerator defrost control method | |
| CN2515614Y (en) | Intelligent frostless refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20170831 |