CN1277377C - Network refrigerator and its control method - Google Patents
Network refrigerator and its control method Download PDFInfo
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- CN1277377C CN1277377C CN 00131030 CN00131030A CN1277377C CN 1277377 C CN1277377 C CN 1277377C CN 00131030 CN00131030 CN 00131030 CN 00131030 A CN00131030 A CN 00131030A CN 1277377 C CN1277377 C CN 1277377C
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Abstract
The present invention relates to a network refrigerator and a control method thereof. A control unit of the network refrigerator can send state data detected by a state detecting unit to a comprehensive household server at definite time actively or according to an interrogation command from the comprehensive household server; a control unit can control and execute corresponding functional action in real time according to a prestored control rule or a control command from the comprehensive household server; the control unit comprises a microprocessor, and a re-writeable nonvolatile memory is arranged in or externally connected with the microprocessor and is used for storing the control rule and the historical running data of the refrigerator. In the network refrigerator and the control method thereof, the refrigerator is locally and remotely interrogated in states and controlled by the connection of a local comprehensive server.
Description
Technical field
The present invention relates to the refrigerator technical field, be specifically related to a kind of network refrigerator and control method thereof.
Background technology
Conventional refrigerator can only independently be used, the user might as well, refrigerator producer might as well, all can't understand the operating state of refrigerator in real time exactly, the control of refrigerator simultaneously also be fully reserve in advance and consideration with no personalization and intelligent.In the refrigerator use, read relevant information or accessed sharing, or carry out remote inquiry or function control, current refrigerator also can't be realized.
Summary of the invention
The objective of the invention is to, a kind of network refrigerator is provided, can connect communication network, by refrigerator being attached in the household network environment, make and in local network or telecommunication network, to understand electronic box ruuning situation on any position, can carry out personalized optimization to the control procedure of refrigerator simultaneously, make the intelligent network of refrigerator become possibility.
Another object of the present invention is to, a kind of control method of network refrigerator is provided, utilize this controlling method for refrigerator, by electronic box carries out state-detection and Long-distance Control in the household network environment to being attached in conjunction with communication network, make the network work state can in local network or telecommunication network, can inquire about on any position, can change, can carry out personalized optimization to the control procedure of refrigerator simultaneously, make the intelligent network of refrigerator become possibility.
The object of the present invention is achieved like this, construct a kind of network refrigerator, comprise refrigerator, the refrigerator state detection unit, refrigerator functions performance element and can detecting and by the control unit of certain control law controlled function performance element to state detection unit, it is characterized in that, also comprise communications portion, described control unit can regularly send to comprehensive household server with the detected status data of state detection unit on one's own initiative or according to the status inquiry command from comprehensive household server, described control unit can according to the described certain control law that prestores or according to from the control command of described comprehensive household server in real time the controlled function performance element carry out the corresponding function action, described control unit comprises a microprocessor, described microprocessor includes or is circumscribed with rewritable nonvolatile storage, is used to store described control law and refrigerator history data.
According to network refrigerator of the present invention, it is characterized in that, described state detection unit comprises time data detecting unit, temperature information detecting unit, mode of operation detecting unit, and the detection of MOD open and-shut mode, rotation speed of the fan detecting unit, fault detection unit, water receiver have anhydrous information detection, the detection of refrigerating chamber defrost information, the detection of chamber door opening and closing state, circuit board self-test unit.
According to network refrigerator of the present invention, it is characterized in that described function executing unit comprises automatic door operator, long-range self-checking unit, operational mode and running parameter setting device, defrosting device, load switch device.
According to network refrigerator of the present invention, it is characterized in that described control unit comprises the display unit that is connected with described microprocessor.
According to network refrigerator of the present invention, it is characterized in that described control unit comprises the key-press input unit that is connected with described microprocessor.
According to network refrigerator of the present invention, it is characterized in that described communications portion comprises the RS232 communication unit.
Another object of the present invention is achieved in that the control method of a kind of network refrigerator of structure, it is characterized in that, may further comprise the steps:
The refrigerator control unit regularly sends the refrigerator general information by communications portion and local communication network to comprehensive household server, described general information comprises device type, producer's sign, device id, message-length, type of message, message subtype, operating result, described comprehensive household server receives to judging certain model according to this information behind the general information bag, whether the refrigerator of certain batch has been connected in the network, and call corresponding driving program (sending to this network refrigerator is stored in the memory of control unit), this refrigerator is monitored, realized plug and play;
The refrigerator control unit sends the refrigerator current state to comprehensive household server according to the status inquiry command from comprehensive household server that receives, again can be according to the control command from family, return results;
Comprehensive household server is controlled described refrigerator function and is partly carried out corresponding actions according to the control command from comprehensive household server that receives;
When the refrigerator control unit detects breakdown of refrigerator information, initiatively and periodically packing sends this fault message to described comprehensive household server.
According to network refrigerator control method provided by the invention, described network refrigerator also is connected with remotely controlling computer by telecommunication network by the comprehensive household server that this locality communicates to connect.It is characterized in that, it is further comprising the steps of: when remotely controlling computer need be monitored network refrigerator, transmission information is to comprehensive household server, comprehensive household server is according to the communications protocol of network refrigerator, transmission is to the querying command and the control command of refrigerator, after the refrigerator control unit receives querying command, send corresponding Query Result to comprehensive household server; After the refrigerator control unit receives control command, carry out the control corresponding function, and send corresponding execution result information to comprehensive household server.
According to network refrigerator control method provided by the invention, it is characterized in that described fault message comprises refrigerating chamber temperature-sensitive head fault, refrigerating chamber temperature-sensitive head fault, environment temperature-sensitive head fault, ice machine temperature-sensitive head fault, defrost temperature-sensitive head fault, ice machine fault, communication failure information.
According to network refrigerator control method provided by the invention; it is characterized in that, can inquire about the following state information of refrigerator by described local comprehensive household server: mode of operation; desired temperature; each load on/off state of refrigerator; each chamber refrigeration demand state of refrigerator; the compressor accumulative total available machine time; the compressor forced stoppage time; each compartment door on off state; automatically set condition opens the door; the ice machine procedural information; the suction pump information of drawing water; water receiver has anhydrous information; refrigerating chamber defrost process information; the MOD open and-shut mode; rotation speed of the fan; remaining time regularly; each room temperature degree information; the quick-frozen time.
According to network refrigerator control method provided by the invention; it is characterized in that; can make refrigerator carry out following feature operation by described local comprehensive household server: set mode of operation, design temperature, the change compressor of refrigerator the accumulative total available machine time, change the compressor forced stoppage time, change the set condition that opens the door automatically, remote auto opens the door, sets timing mode, change timing, change quick-frozen time, carry out long-range ice machine self check, long-range pressure defrost self check, remote circuit plate input and output self check, long-range refrigerator system self check.
Implement network refrigerator provided by the invention and control method thereof, this refrigerator can be connected on the local comprehensive server,, can carry out remote inquiry and Long-distance Control refrigerator by local network or telenet.Thereby, to accomplish the internal operation state of refrigerator is come into plain view, and can control temperature, the mode of operation of refrigerator whenever and wherever possible, remote auto opens the door, long-range self check, the operational factor of remotely changing refrigerator etc.Can inquire about the mode of operation of refrigerator by network; desired temperature; each load on/off state of refrigerator; each chamber refrigeration demand state of refrigerator; the compressor accumulative total available machine time; the compressor forced stoppage time; each compartment door on off state; automatically set condition opens the door; the ice machine procedural information; the suction pump information of drawing water; water receiver has anhydrous information; refrigerating chamber defrost process information; the MOD open and-shut mode; rotation speed of the fan; remaining time regularly; each room temperature degree information; the quick-frozen time etc.By network can set mode of operation, preset temperature, the change compressor of refrigerator the accumulative total available machine time, change the compressor forced stoppage time, change the set condition that opens the door automatically, remote auto opens the door, sets timing mode, change timing, change the quick-frozen time, carry out long-range ice machine self check, long-range pressure defrost self check, remote circuit plate input and output self check, long-range refrigerator system self check.By network, refrigerator also can initiatively send to the remote port computer with fault message, reminds the remote port user to remove breakdown of refrigerator as early as possible.
Description of drawings
In conjunction with the accompanying drawings and embodiments, further specify characteristics of the present invention, in the accompanying drawing:
Fig. 1 is a simple schematic diagram of using the house system of refrigerator of the present invention;
Fig. 2 is the circuit theory diagrams of communications portion in the refrigerator embodiment of the present invention;
Fig. 3 is a circuit logic schematic diagram in the refrigerator embodiment of the present invention;
Fig. 4 is a communication process flow chart in the refrigerator embodiment of the present invention;
Fig. 5 is a communication process flow chart in the refrigerator embodiment of the present invention;
Fig. 6 is a communication process flow chart in the refrigerator embodiment of the present invention;
Embodiment
As described in Figure 1, the remote computer 5 that is connected with comprehensive household server 3 by the comprehensive household server 3 that comprises network refrigerator control unit 1, connect by RS-232 line 2, by the Internet 4 of network family's integrated service system of using network refrigerator of the present invention as remote server.
In the circuit theory diagrams of network refrigerator control unit 1 communications portion shown in Fig. 2, it is a core with single-chip microcomputer ST72314 (not shown), outside expansion RS-232 conversion of signals chip MAX202, carry out communication by the comprehensive household server among RS-232 serial port and Fig. 13, finish the monitoring of network refrigerator.
The concrete structure of the integral body of network refrigerator control unit as shown in Figure 3.Mainly comprise single-chip microcomputer 31, its model is ST72314, be connected RS-232 conversion of signals chip 32 (model MAX202) on the single-chip microcomputer 31, be connected with the single-chip microcomputer input port. button inputting circuits 33, the automatic door open button input circuit 34 that is connected with the single-chip microcomputer input port, temperature sensor signal input circuit 35 and. door switch input circuit 36, be connected to single-chip microcomputer 31 output ports each load driving circuits 37 and. display circuit 38 and power circuit 39.Wherein RS-232 is and the communication interface of comprehensive household server, if adopt different communication medias or mode, this communication interface modules can be the integrated circuit of other model.
System works principle to refrigerator of the present invention is described as follows: the RS-232 interface of this control unit by being made up of MAX202, with the comprehensive household server communication, finish data transmit-receive, comprehensive household server then is responsible for and is comprised that the home interconnect equipment of refrigerator carries out data transmit-receive, and finishes the teledata transmitting function.Concrete control method comprises the steps:
1 single-chip microcomputer is according to the communications protocol of network refrigerator, initiatively and periodically the general information of refrigerator is packed and send to comprehensive household server, general information comprises device type, producer's sign, device id, message-length, type of message, message subtype, operating result, reserving message byte.The data packet format of general information sees Table 2.
Comprehensive household server then judges according to this information whether the refrigerator of certain model, certain batch is connected in the network, and calls the corresponding driving program, and this refrigerator is monitored, and realizes plug and play.
When the network refrigerator control unit detected refrigerator and breaks down, initiatively and periodically the fault message packing with refrigerator sent to comprehensive household server.The data packet format of fault message sees Table 5.
When remote computer need be monitored network refrigerator, transmission information is to comprehensive household server, comprehensive household server is according to the communications protocol of network refrigerator, transmission is to the querying command and the control command of refrigerator, after the refrigerator control unit receives querying command, send corresponding Query Result to comprehensive household server; After the refrigerator control unit receives control command, carry out the control corresponding function, and send corresponding execution result information to comprehensive household server.Comprehensive household server then sends the information of network refrigerator control unit loopback to remote computer, finishes the transmitting-receiving of information.The initiation data packet format of inquiry and control information sees Table 3, and the return data packet format sees Table 4.
In the embodiment according to controlling method for refrigerator of the present invention based on Fig. 2, the program flow diagram of data such as Fig. 4, Fig. 5, Fig. 6 are accepted and sent to single-chip microcomputer 31 by asynchronous serial communication mouth 32.
The network refrigerator control unit also will be finished the refrigeration of refrigerator except that finishing above-mentioned remote monitoring function, defrost, and automatic ice-making, the button input is differentiated, the control of opening the door automatically, temperature sensor signal detects, and door opening and closing state detects, and sends functions such as display message.
Can inquire about the mode of operation of refrigerator by network; desired temperature; each load on/off state of refrigerator; each chamber refrigeration demand state of refrigerator; the compressor accumulative total available machine time; the compressor forced stoppage time; each compartment door on off state; automatically set condition opens the door; the ice machine procedural information; the suction pump information of drawing water; water receiver has anhydrous information; refrigerating chamber defrost process information; the MOD open and-shut mode; rotation speed of the fan; remaining time regularly; each room temperature degree information; the quick-frozen time.
By network can set mode of operation, design temperature, the change compressor of refrigerator the accumulative total available machine time, change the compressor forced stoppage time, change the set condition that opens the door automatically, remote auto opens the door, sets timing mode, change timing, change the quick-frozen time, carry out long-range ice machine self check, long-range pressure defrost self check, remote circuit plate input and output self check, long-range refrigerator system self check.
By local network with long-rangely come net, refrigerator of the present invention also can initiatively send to the remote port computer with fault message, reminds the remote port user to remove breakdown of refrigerator as early as possible.The information format of packet is described as follows:
1) message explanation:
The message of standard is divided into two parts: message header and message content.
Table 1:
| Message header | Message content |
Message header (totally 18 bytes=18*8bits) be defined as follows:
struct{
U16 DeviceClass
U16 VendorID
U32 DeviceID
U16 Length
U8 MessageType
U8 MessageSubType
U8 Result
U40 Reserved
}MessageHead
| Name | Length (byte=8bit) | Describe |
| DeviceClass | 2 | The type of equipment |
| VendorID | 2 | The sign of producer |
| DeviceID | 4 | The ID of equipment |
| Length | 2 | The length of |
| MessageType | ||
| 1 | The type of | |
| MessageSubType | ||
| 1 | The subtype of | |
| Result | ||
| 1 | The result of operation | |
| Reserved | 5 | Leave in the future and use |
Illustrate:
1, DeviceClass and VendorID are temporarily specified by manufactory, should be distributed by normal structure after international standard is arranged.
2, the ID of DeviceID indication equipment should contain this ID in each equipment.Distinct device with producer of the same type should have different signs.
DeviceClass herein, VendorID, DeviceID are represented by 2 systems.
3, (MessageType) type of message and message subtype (MessageSubType) are for to be numbered message, and what message identification is when receiving a bag with box lunch.The purpose that message is divided into type and subtype is to sort out for the message that will have general character, so that management.
4, Length represents the length of whole bag, and promptly message header adds the length of message content.When receiving a bag, judge the length of bag by Length.
5, Result represents the result that operates.
The 1----------------success
The 0----------------failure
------------is undefined for other
2) data packet format of general information:
Whatsoever equipment all should provide following message.
·DeviceAttach
Describe: this message is sent to control unit by equipment timing, periodicity, and its main purpose is for the connection status of equipment mark and judgment device is provided.This message does not need feedback.
Constitute: this message only is made of message header, does not comprise message content.
When the refrigerator control unit sends to comprehensive household server:
Table 2:
The message header definition:
| DeviceClass | |
| VendorID | |
| DeviceID | |
| Length | 18 |
| | 1 |
| | 0 |
| Result | Undefined |
| Reserved | Undefined |
3) data packet format of inquiry and control information:
Describe: this message is initiated by comprehensive household server, sends inquiry and control information to the refrigerator control unit.
Constitute: this message is made of message header and message content, comprises the message content of 0～n byte
When comprehensive household server is issued the refrigerator control unit:
Table 3:
The message header definition
| DeviceClass | |
| VendorID | |
| DevieeID | |
| Length | 18+n |
| MessageType | |
| MessageSubType | |
| Result | Undefined |
| Reserved | Undefined |
Message content (byte number is changeable as required)
| The 1st byte | |
| … | … |
| The n byte |
When the refrigerator control unit returns to comprehensive household server:
Table 4:
The message header definition
| DevieeClass | |
| VendorID | |
| DeviceID | |
| Length | 18+ |
| MessageType | |
| MessageSubType | |
| 0 | |
| Result | Dependent on operation(1 or 0) |
| Reserved | undefined |
Message content (byte number is changeable as required)
| The 1st byte | |
| … | … |
| The n byte |
4) data packet format of fault message
Describe: this message is initiated by the refrigerator control unit, to comprehensive household server report fault message.
Constitute: the message that the refrigerator control unit is issued comprehensive household server is made of the message content that message header adds 3 bytes.Comprehensive household server not return information is given refrigerator.
When the refrigerator control unit is issued comprehensive household server:
Table 5:
The message header definition
| DeviceClass | |
| VendorID | |
| DeviceID | |
| Length | 18+3 |
| MessageType | 201 |
| | 0 |
| Result | Undefined |
| Reserved | Undefined |
Message content:
| The 1st byte | Bit0:0---does not have refrigerating chamber temperature- |
| 1---refrigerating chamber temperature-sensitive head fault Bit1:0---does not have refrigerating chamber temperature- |
| The 2nd byte | Undifined |
| The 3rd byte | Undifined |
Claims (12)
1, a kind of network refrigerator, comprise refrigerator, the refrigerator state detection unit, refrigerator functions performance element and can detecting and by the control unit of certain control law controlled function performance element to state detection unit, it is characterized in that, also comprise the communications portion that is arranged in the control unit, described control unit regularly sends to comprehensive household server with the detected status data of state detection unit on one's own initiative or according to the status inquiry command from comprehensive household server, described control unit according to the described certain control law that prestores or according to from the control command of described comprehensive household server in real time the controlled function performance element carry out the corresponding function action, described control unit comprises a microprocessor, described microprocessor includes or is circumscribed with rewritable nonvolatile storage, is used to store described control law and refrigerator history data.
2, according to the described network refrigerator of claim 1, it is characterized in that, described state detection unit comprises time data detecting unit, temperature information detecting unit, mode of operation detecting unit, and the detection of MOD open and-shut mode, rotation speed of the fan detecting unit, fault detection unit, water receiver have anhydrous information detection, the detection of refrigerating chamber defrost information, the detection of chamber door opening and closing state, circuit board self-test unit.
According to the described network refrigerator of claim 1, it is characterized in that 3, described function executing unit comprises automatic door operator, long-range self-checking unit, operational mode and running parameter setting device, defrosting device, load switch device.
According to the described network refrigerator of claim 1, it is characterized in that 4, described control unit comprises the display unit that is connected with described microprocessor.
According to the described network refrigerator of claim 1, it is characterized in that 5, described control unit comprises the key-press input unit that is connected with described microprocessor.
According to the described network refrigerator of claim 1, it is characterized in that 6, described communications portion is the RS232 communication unit.
7, a kind of control method of network refrigerator is characterized in that, may further comprise the steps:
The refrigerator control unit regularly sends the refrigerator general information by control section and local communication network to comprehensive household server, and described general information comprises device type, producer's sign, device id, message-length, type of message, message subtype, operating result;
After described comprehensive household server receives the general information bag, judge according to this information whether the refrigerator of certain model, certain batch is connected in the network, and call the corresponding driving program, this refrigerator is monitored, realize plug and play;
The refrigerator control unit sends the refrigerator current state to comprehensive household server according to the status inquiry command from comprehensive household server that receives;
Comprehensive household server is controlled described refrigerator functions and is partly carried out corresponding actions according to the control command from comprehensive household server that receives;
When the refrigerator control unit detects breakdown of refrigerator information, initiatively and periodically pack and send this fault message to described comprehensive household server.
8, according to the described network refrigerator control method of claim 7, it is characterized in that, described driver or (with) control program sends to this network refrigerator by server in advance or in real time, and is stored in the recordable memory of control unit.
9, according to the described network refrigerator control method of claim 7, described network refrigerator also is connected with remotely controlling computer by telecommunication network by the comprehensive household server that this locality communicates to connect, it is characterized in that, it is further comprising the steps of: when remotely controlling computer need be monitored network refrigerator, transmission information is to comprehensive household server, comprehensive household server is according to the communications protocol of network refrigerator, transmission is to the querying command and the control command of refrigerator, after the refrigerator control unit receives querying command, send corresponding Query Result to comprehensive household server; After the refrigerator control unit receives control command, carry out the control corresponding function, and send corresponding execution result information to comprehensive household server.
10, described according to Claim 8 network refrigerator control method, it is characterized in that described fault message comprises refrigerating chamber temperature-sensitive head fault, refrigerating chamber temperature-sensitive head fault, environment temperature-sensitive head fault, ice machine temperature-sensitive head fault, defrost temperature-sensitive head fault, ice machine fault, communication failure information.
11; described according to Claim 8 network refrigerator control method; it is characterized in that, can inquire about the following state information of refrigerator by described local comprehensive household server: mode of operation; desired temperature; each load on/off state of refrigerator; each chamber refrigeration demand state of refrigerator; the compressor accumulative total available machine time; the compressor forced stoppage time; each compartment door on off state; automatically set condition opens the door; the ice machine procedural information; the suction pump information of drawing water; water receiver has anhydrous information; refrigerating chamber defrost process information; the MOD open and-shut mode; rotation speed of the fan; remaining time regularly; each room temperature degree information; the quick-frozen time.
12, described according to Claim 8 network refrigerator control method; it is characterized in that; can make refrigerator carry out following feature operation by described local comprehensive household server: set mode of operation, design temperature, the change compressor of refrigerator the accumulative total available machine time, change the compressor forced stoppage time, change the set condition that opens the door automatically, remote auto opens the door, sets timing mode, change timing, change quick-frozen time, carry out long-range ice machine self check, long-range pressure defrost self check, remote circuit plate input and output self check, long-range refrigerator system self check.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00131030 CN1277377C (en) | 2000-12-27 | 2000-12-27 | Network refrigerator and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00131030 CN1277377C (en) | 2000-12-27 | 2000-12-27 | Network refrigerator and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1501043A CN1501043A (en) | 2004-06-02 |
| CN1277377C true CN1277377C (en) | 2006-09-27 |
Family
ID=34230879
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00131030 Expired - Fee Related CN1277377C (en) | 2000-12-27 | 2000-12-27 | Network refrigerator and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1277377C (en) |
Cited By (1)
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| CN102032751A (en) * | 2010-11-29 | 2011-04-27 | 广东紫金正天药业有限公司 | Intelligent remote monitoring and management system for refrigerated counter |
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-
2000
- 2000-12-27 CN CN 00131030 patent/CN1277377C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032751A (en) * | 2010-11-29 | 2011-04-27 | 广东紫金正天药业有限公司 | Intelligent remote monitoring and management system for refrigerated counter |
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| Publication number | Publication date |
|---|---|
| CN1501043A (en) | 2004-06-02 |
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