CN1624409A - Intelligent refrigerator and its control method - Google Patents
Intelligent refrigerator and its control method Download PDFInfo
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- CN1624409A CN1624409A CNA2003101124874A CN200310112487A CN1624409A CN 1624409 A CN1624409 A CN 1624409A CN A2003101124874 A CNA2003101124874 A CN A2003101124874A CN 200310112487 A CN200310112487 A CN 200310112487A CN 1624409 A CN1624409 A CN 1624409A
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Abstract
An intelligent refrigerator and its controlling method, includes master control board CPU processing unit, power source circuit, storage unit, testing unit and loading circuit, with the characteristic that it also includes refrigerator input unit and personal digital assistant PDA of display unit, making the CPU processing unit connecting to the data receiving-and-sending module and communication contact which are installed separately on master control board of refrigerator and the control board of PDA and connected by electric wires. And PDA can communicate with the data receiving-and-sending module of computer and communication contact installed on control board of PDA. PDA is the terminal, realizing digital communication between PDA and refrigerator MCU and PDA and PC(personal computer), strengthening the power of refrigerator, making the operation interface more visible so that the use is more convenient.
Description
Technical field
The present invention relates to refrigerator technology and digital communication technology, more particularly relate to the multifunctional intellectual refrigerator and the control method thereof that can be connected with network.
Background technology
Usually only stored food is its function to traditional refrigerator can freeze also as a kind of household appliances commonly used, and the user is also too simple to the set-up function of refrigerator temperature, and operation interface is little and not directly perceived.
The refrigerator that also has is provided with network communication module and communication port in control, make refrigerator to be connected with Internet (Internet) with outer computer by communication port, refrigerator operational factor in the user family can be sent to the supervisory control comuter of producer by the Internet, producer can carry out real-time monitoring to the internal state of refrigerator, can report to the police intuitively when refrigerator breaks down, maintenance department of producer can in time keep in repair.Though this network refrigerator is expanded on the conventional refrigerator function to some extent, but the control of the temperature of refrigerator is comparatively simple, user's operation interface complexity, the user can not directly control refrigerator by refrigerator display part simply, some online life informations can not be downloaded on the refrigerator.Now along with the development of digital technology and the raising of people's living standard, the intellectuality of refrigerator there has been more and more higher requirement, people require that refrigerator can provide more convenience for the life of oneself, more function.
Summary of the invention
For solving the problems of the technologies described above, the present invention aims to provide a kind of novel intelligent refrigerator, this refrigerator not only can be connected with Internet by outer computer, network information can also be downloaded on the refrigerator, and the control set-up function of refrigerator is powerful, operation interface is directly perceived.
Another object of the present invention provides a kind of control method of intelligent refrigerator, utilizes this method can solve the refrigerator input data problem of transmission between controlling with refrigerator, and make refrigerator can with the supervisory control comuter communication.
Solution of the above problems is such: construct a kind of intelligent refrigerator, comprise master board CPU processing unit, power circuit, memory cell, detecting unit, load circuit, it is characterized in that, also comprise the personal digital assistant PDA that comprises refrigerator input block and display unit; Communication data transceiver module and communication port that the CPU processing unit of described PDA is connected with the CPU processing unit communication of refrigerator master board, described communication port are installed on respectively on the control panel of refrigerator master board and described PDA and by cable and are connected; And described PDA can and be installed in communication port on the control panel of PDA with the communication data transceiver module of outer computer communication.
In the above-mentioned intelligent refrigerator, described communication module is an asynchronous serial RS-232 module.PDA is installed on the refrigerator doors with removably.Embedded plastic housing on refrigerator door, PDA can embed in the described plastic housing.PDA can also comprise an omnipotent RCU, and this omnipotent RCU comprises a fast transmitter and comprises the coding module of two above different coding methods.PDA comprises the charge inside control circuit, and links to each other with described power subsystem and makes PDA get the charging inlet of electric operation.All right built-in lithium battery of PDA or Ni-MH battery, the back powers to PDA in order to be removed at PDA.
The control method of above-mentioned intelligent refrigerator, the order of importing by touch-screen sends the refrigerator control panel to by communication channel, and accepts the information from the refrigerator real-time status of control panel; Control panel is changed the set information of refrigerator accordingly by the control information that PDA sends; It is characterized in that in this process, may further comprise the steps:
1) takes out the data that preset in the DA memory;
2) carry out screen display according to the data that preset;
3) send the querying command of refrigerator running status to MCU;
4) receiving the data that MCU sends it back correctly denys, as the incorrect step 3) of returning;
5) do to show in real time according to the data that received;
6) reception is changed from the setting of touch-screen, and these data are sent to MCU; MCU deposits these data in memory;
7) according to the operation of the Data Control refrigerator of memory;
8) running status is sent it back PDA;
9) return step 3).
The present invention compared with prior art has the following advantages and beneficial effect:
1. refrigerator utilizes the intelligent terminal of the embedded Chinese operating platform of PDA(Personal Digital Assistant) as refrigerator, can be the adjustment that the user provides intelligentized each greenhouse by the digital communication between PDA and the refrigerator MCU, make the control set-up function of refrigerator more powerful.Utilize the touch screen function of PDA(Personal Digital Assistant), make setting operation interface directly perceived, the user is easy to use.
2.PDA can also reach real-time fault and report for repairment and relevant technical support, and can download screen protection by the supervisory control comuter communication of PC and Internet and refrigerator producer, send relevant information to intelligent refrigerator.
Description of drawings
Fig. 1 is a communication system schematic diagram of the present invention
The structural representation that Fig. 2 is connected with PC, network for the present invention
Fig. 3 is the control flow chart of PDA
Fig. 4 is the control flow chart of refrigerator master board;
Fig. 5 is a circuit structure schematic diagram of the present invention
Fig. 6 is a refrigerator structure schematic diagram of the present invention
Fig. 7 is the structural representation of the omnipotent RCU of PDA of the present invention
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Referring to Fig. 1, intelligent refrigerator of the present invention utilizes the intelligent terminal of the power of the embedded Chinese operating platform of PDA(Personal Digital Assistant) as refrigerator on the basis of traditional computer refrigerator, forms refrigerator control system with refrigerator master board (MCU).MCU finishes the data acquisition of refrigerator physical parameter such as temperature etc. as slave computer; Be transferred to that host computer (PDA) shows and data are handled.PDA sets and sends control command as host computer to the parameter of refrigerator; Be transferred to slave computer (MCU) with certain format by communication interface equally, finish control the refrigerator load by the slave computer output control signal of telecommunication.
Fig. 2 illustrates a kind of outside connected mode of PDC.PDA 1 reaches real-time fault and reports for repairment and relevant technical support by supervisory control comuter 4 communications of outer computer 3 and internet and refrigerator producer.For with outer computer PC communication, comprise communication data transceiver module and communication port on the PDA control panel, communication port can be connected and realize data communication between PC and PDA by cable with outer computer PC, PDA sends to PC with the detected refrigerator service data of MCU, PC is by the supervisory control comuter networking of Internet net and producer on the modem, send data to supervisory control comuter, to maintenance department of company feedback refrigerator ruuning situation or carry out fault and report for repairment; PDA also can send to PC and require order that supervisory control comuter passes a parameter and the data of accepting supervisory control comuter, shows in display unit.Also can download screen protection information from the Internet, PC is stored in screen protection information among the PDA by certain format; Also can download and upgrade knowledge and the information relevant such as menu with food.Adopt serial asynchronous communication RS-232 mode, communication port RS-232 serial port between PDA and the refrigerator MCU, between PDA and the PC.Can also adopt usb communication mode and USB serial port; Accelerate transfer rate if desired, also can adopt parallel port communication.
Fig. 3 illustrates the control flow of PDA.When energising, PDA at first carries out initialization, carry out the setting of main program after the initialization, read and be presented at the data that preset in the PDA memory, PDA sent querying command every 3 seconds to MCU, so that MCU is detected in real time, querying command comprises equipment inspection order or each chamber design temperature of inquiry refrigerator.MCU replied the parameter that requires inquiry in 1 second, PDA transmits the parameter of returning to MCU and carries out verification, if check results normally then shows this parameter.If PDA is not receiving the data of MCU in the 1S sending behind the querying command to MCU, or receive and answer but data check is unusual, then retransmit this order, send continuously 5 times, then be judged as communication failure, show also and report to the police if do not receive the data that slave is answered yet every 1S.When PDA receive the user to the setting of refrigerator state change back 1S within to the design temperature of each chamber of MCU transmission refrigerator, the on off state of each chamber, the operational mode of refrigerator; PDA sends after the operational mode of on off state, refrigerator of above-mentioned design temperature, each chamber within the 3S, and PDA should inquire about the design temperature of each chamber of refrigerator, the on off state of each chamber, the operational mode of refrigerator to MCU.
Fig. 4 is the control flow of MCU, and master board CPU carried out initialization after refrigerator powered on, from E
2Reading data in the PROM memory controls refrigerator.Under normal condition, receive querying command and the verification of PDA.If after receiving the data of sending from main frame PDA, data exception then sends request instruction requirement PDA and retransmits order, data normally then master board CPU the order of setting is handled, change will be set write E
2PROM, the work of corresponding control load circuit.Parameters such as collection the temperature inside the box send to main frame PDA.
Further specify the present invention in conjunction with Fig. 5 and Fig. 6.In the refrigerator master board, mainly contain the CPU processing unit, the power module that comprises power circuit, memory cell (not shown among Fig. 5) in order to stored data, link to each other as the I/O part of signal conversion with the CPU processing unit, the main detecting unit of forming by temperature sensor, detecting unit detects and comprises temperature of refrigerating chamber, freezer temperature, data such as evaporator temperature, and partly import the CPU processing unit by I/O, control comprises compressor, the control module of heater even load circuit operation, importantly, personal digital assistant PDA is connected with refrigerator master board MCU communication.Mainly contain CPU processing unit and power module, clock module, voice module, omnipotent remote control module functional modules such as (not shown among Fig. 5) on the PDA control panel, crucial is also to comprise the communication module with refrigerator master board MCU communication.MCU and PDA use the RS-232 communication module, on both control panels communication port are installed, and connect with cable.Be connected to input block and display unit on the PDA Chinese operating platform, PDA accepts the modification of user command and parameter as host computer, and the user touches functional module on the PDA screen with hand, enters input block, and the control parameter of refrigerator is set.Parameter after the setting or order send MCU as slave computer by communication serial ports and the communication data transceiver module that includes communications protocol, data definition to by the RS-232 mode.The MCU detecting unit is gathered physical parameters such as refrigerator the temperature inside the box by temperature sensor, data are transmitted asynchronous serial RS-232 mode by bi-directional data and are sent to display unit on the PDA, shown in display unit.Video data comprises refrigerating chamber displays temperature, temperature-changing chamber displays temperature, refrigerating chamber displays temperature and door switch information etc.The CPU processing unit of MCU is handled according to data that collect and input setting, and the output control signal of telecommunication is finished the control to the refrigerator load.Load generally comprises compressor, magnetic valve, heater or the like.Load circuit is connected with the CPU of MCU by control module.PDA to the function of refrigerator control by the data setting of refrigerator MCU is realized.Data communication between PDA and the CPU adopts the communication modes of query formulation.Transmission bit rate is 4800bps; Transmission voltage is 12V.PDA is sent to CPU to the information of user's input on the screen by interface, and CPU information in view of the above controls load circuit output control signal.The user can also be provided with intelligence, cold, the quick-frozen function of speed on the PDA screen, or sets the function of refrigerating chamber, temperature-changing chamber, refrigerating chamber On/Off.See Fig. 6, PDA personal digital assistant 1 is embedded on the door face board of refrigerator 2.Embedded plastic housing on the door body of refrigerator 2, PDA embeds in the plastic housing with removably, specifically can be on the frame of the outer of PDA some grabs to be set, and the opening edge that hooks plastic housing with grab is along (Fig. 6 is not shown).
PDA of the present invention can dismantle use, becomes portable palm PDA.PDA takes off from door face board, and transfering to from communication port with the cable of MCU communication, the intelligent refrigerator that unloads PDA is from E
2Reading data in the PROM memory controls refrigerator.PDA go up with the RS-232 communication module mutually the communication port usefulness cable on limit be connected with outer computer PC, just can realize communication function with PC.PDA is last can plural RS-232 communication port, and one is used for linking to each other with MCU, and another links to each other with PC.PDA also has omnipotent distant control function, and referring to Fig. 7, omnipotent RCU 5 is arranged in the middle of the top of PDA 1, comprises a fast transmitter and comprises plural coding module, and coding module adopts coding method inequality according to different product, brand.Can be respectively the product of different household appliances such as for example air-conditioning, television set etc. or different brands be carried out remote control.
Include a charging control circuit and a charging inlet that can be connected in the PDA internal electric source module with master board MCU.When PDA places on the refrigerator doors when being connected with the MCU communication, can accept alternating current power supply charging from the MCU power circuit, make PDA get electric operation.PDA also has built-in lithium battery or Ni-MH battery, and is standby to do.
The clock module of PDA has time showing, time set, alarm clock function.Voice module comprises voice storage and recording, playback circuit, makes refrigerator have message-leaving function.
Claims (10)
1. an intelligent refrigerator comprises master board CPU processing unit, power circuit, memory cell, detecting unit, load circuit, it is characterized in that, also comprises the personal digital assistant PDA that comprises refrigerator input block and display unit; Communication data transceiver module and communication port that the CPU processing unit of described PDA is connected with the CPU processing unit communication of refrigerator master board, described communication port are installed on respectively on the control panel of refrigerator master board and described PDA and by cable and are connected; And described PDA can and be installed in communication port on the control panel of PDA with the communication data transceiver module of outer computer communication.
2. intelligent refrigerator according to claim 1 is characterized in that described communication module is an asynchronous serial RS-232 module.
3. intelligent refrigerator according to claim 1 and 2 is characterized in that described personal digital assistant PDA is installed on the refrigerator doors with removably.
4. intelligent refrigerator according to claim 3 is characterized in that embedded plastic housing on the described refrigerator door, and described PDA can embed in the described plastic housing.
5. intelligent refrigerator according to claim 1 and 2 is characterized in that described personal digital assistant PDA comprises omnipotent RCU, and described omnipotent RCU comprises a fast transmitter and comprises the coding module of two above different coding methods.
6. intelligent refrigerator according to claim 1 and 2 is characterized in that described personal digital assistant PDA comprises the charge inside control circuit, and links to each other with described power subsystem and makes PDA get the charging inlet of electric operation.
7. intelligent refrigerator according to claim 6 is characterized in that described personal digital assistant PDA built-in lithium battery or Ni-MH battery.
8. the control method of an intelligent refrigerator, the order by the touch-screen input sends the refrigerator control panel to by communication channel, and accepts the information from the refrigerator real-time status of control panel; Control panel is changed the set information of refrigerator accordingly by the control information that PDA sends; It is characterized in that in this process, may further comprise the steps:
1) from the PDA memory, takes out the data that preset;
2) carry out screen display according to the data that preset;
3) send the querying command of refrigerator running status to MCU;
4) receiving the data that MCU sends it back correctly denys, as the incorrect step 3) of returning;
5) do to show in real time according to the data that received;
6) reception is changed from the setting of touch-screen, and these data are sent to MCU; MCU deposits these data in memory;
7) according to the operation of the Data Control refrigerator of memory;
8) running status is sent it back PDA;
9) return step 3).
9. the control method of intelligent refrigerator according to claim 8 is characterized in that further comprising the steps of:
1) PDA sends to local computer with the refrigerator running state data;
2) local computer sends to supervisory control comuter with data by the Internet.
10. the control method of intelligent refrigerator according to claim 8 is characterized in that, and is further comprising the steps of:
PDA sends data or order to local PC request, and accepts the data of PC, shows these data in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101124874A CN1303390C (en) | 2003-12-04 | 2003-12-04 | Intelligent refrigerator and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101124874A CN1303390C (en) | 2003-12-04 | 2003-12-04 | Intelligent refrigerator and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1624409A true CN1624409A (en) | 2005-06-08 |
| CN1303390C CN1303390C (en) | 2007-03-07 |
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ID=34759781
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101124874A Expired - Fee Related CN1303390C (en) | 2003-12-04 | 2003-12-04 | Intelligent refrigerator and its control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN1303390C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385332A (en) * | 2010-05-17 | 2012-03-21 | 南京乐金熊猫电器有限公司 | Home appliance system and operating method thereof |
| CN102955734A (en) * | 2011-08-17 | 2013-03-06 | 青岛海信日立空调系统有限公司 | Testing system and testing method for function of air-conditioner controller software |
| CN104567266A (en) * | 2014-11-27 | 2015-04-29 | 青岛海尔股份有限公司 | Intelligent detecting terminal for refrigerator |
| CN104764288A (en) * | 2015-03-17 | 2015-07-08 | 广东奥马电器股份有限公司 | Refrigerator detection method of dynamic cooling line |
| CN104990362A (en) * | 2015-07-07 | 2015-10-21 | 合肥美的电冰箱有限公司 | Handheld testing device used for testing of refrigerator electric control board and testing method |
| CN104990363A (en) * | 2015-07-15 | 2015-10-21 | 杭州纳帕科技有限公司 | Novel special touch panel device of refrigerator |
| CN105204689A (en) * | 2015-10-13 | 2015-12-30 | 杭州纳帕科技有限公司 | Kit for embedding touch screen on refrigerator door and application method of kit |
| CN106969595A (en) * | 2017-05-10 | 2017-07-21 | 江苏新安电器有限公司 | A kind of refrigerator loads control and monitoring system |
| TWI605234B (en) * | 2016-12-16 | 2017-11-11 | Matsushita Electric (Taiwan) Co Ltd | Energy-saving control method and system for refrigerator |
| WO2018023434A1 (en) * | 2016-08-02 | 2018-02-08 | 步晓芳 | Automatic repair-reporting method, and refrigerator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175385Y (en) * | 1993-09-08 | 1994-08-24 | 四川长庆机器厂 | Micro-computer controlled device for electric refrigerator |
| CN2425337Y (en) * | 2000-05-26 | 2001-03-28 | 广东科龙电器股份有限公司 | Intelligent refrigerator with monitoring interface |
| JP4111720B2 (en) * | 2002-02-22 | 2008-07-02 | 三洋電機株式会社 | Atmosphere management system |
| CN2663889Y (en) * | 2003-12-04 | 2004-12-15 | 广东科龙电器股份有限公司 | A refrigerator with communication function |
-
2003
- 2003-12-04 CN CNB2003101124874A patent/CN1303390C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385332A (en) * | 2010-05-17 | 2012-03-21 | 南京乐金熊猫电器有限公司 | Home appliance system and operating method thereof |
| CN102385332B (en) * | 2010-05-17 | 2015-09-02 | 南京乐金熊猫电器有限公司 | home appliance system |
| CN102955734A (en) * | 2011-08-17 | 2013-03-06 | 青岛海信日立空调系统有限公司 | Testing system and testing method for function of air-conditioner controller software |
| CN104567266A (en) * | 2014-11-27 | 2015-04-29 | 青岛海尔股份有限公司 | Intelligent detecting terminal for refrigerator |
| CN104764288A (en) * | 2015-03-17 | 2015-07-08 | 广东奥马电器股份有限公司 | Refrigerator detection method of dynamic cooling line |
| CN104990362A (en) * | 2015-07-07 | 2015-10-21 | 合肥美的电冰箱有限公司 | Handheld testing device used for testing of refrigerator electric control board and testing method |
| CN104990363A (en) * | 2015-07-15 | 2015-10-21 | 杭州纳帕科技有限公司 | Novel special touch panel device of refrigerator |
| CN104990363B (en) * | 2015-07-15 | 2017-05-10 | 杭州纳帕科技有限公司 | Special touch panel device of refrigerator |
| CN105204689A (en) * | 2015-10-13 | 2015-12-30 | 杭州纳帕科技有限公司 | Kit for embedding touch screen on refrigerator door and application method of kit |
| CN105204689B (en) * | 2015-10-13 | 2019-08-30 | 杭州纳帕科技有限公司 | A kind of external member and its application method being embedded in touch screen in refrigerator doors |
| WO2018023434A1 (en) * | 2016-08-02 | 2018-02-08 | 步晓芳 | Automatic repair-reporting method, and refrigerator |
| TWI605234B (en) * | 2016-12-16 | 2017-11-11 | Matsushita Electric (Taiwan) Co Ltd | Energy-saving control method and system for refrigerator |
| CN106969595A (en) * | 2017-05-10 | 2017-07-21 | 江苏新安电器有限公司 | A kind of refrigerator loads control and monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1303390C (en) | 2007-03-07 |
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Granted publication date: 20070307 Termination date: 20100104 |