CN2425337Y - Intelligent refrigerator with monitoring interface - Google Patents
Intelligent refrigerator with monitoring interface Download PDFInfo
- Publication number
- CN2425337Y CN2425337Y CN 00228299 CN00228299U CN2425337Y CN 2425337 Y CN2425337 Y CN 2425337Y CN 00228299 CN00228299 CN 00228299 CN 00228299 U CN00228299 U CN 00228299U CN 2425337 Y CN2425337 Y CN 2425337Y
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- intelligent refrigerator
- refrigerator
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- temperature
- door switch
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to an intelligent refrigerator with a monitoring interface, which comprises a CPU which is connected with an output load module, an output display module, a temperature sensing module and an input signal module of an operating panel. The input and output ports of the CPU is also connected with a data communication sending and receiving module and a communication port which is connected with the data communication sending and receiving module and is installed on a refrigerator. The intelligent refrigerator can be conveniently connected with a computer and realizes condition monitoring to the refrigerator. Meanwhile, intelligent refrigerator can be connected with interconnect network through externally connecting a computer and a local line, and therefore, each intelligent refrigerator on the web can be monitored, diagnosed and maintained in real time by a manufacturer's server on the web. Therefore, automatic remote monitoring on a refrigerator is realized.
Description
The utility model relates to the refrigerator technology and the communication technology, is specifically related to a kind of intelligent refrigerator with monitor-interface.
Refrigerator is as a kind of household electrical appliance commonly used, and be generally indivedual separately and use, and function only there is refrigerating function, no matter be that user or producer all can't carry out real-time automatic monitoring to the internal state of refrigerator.
The purpose of this utility model provides a kind of novel intelligent refrigerator, and this refrigerator also has monitor-interface except having refrigeration and cardinal temperature adjusting function, and this refrigerator can be realized automatic monitoring to the refrigerator state by outer computer.
Another purpose of the present utility model provides a kind of novel intelligent refrigerator, this refrigerator passes through outer computer, can pass through transmission line (as local telephone) and be connected, realize authorizing on the Internet end points (as producer's server) that refrigerator is implemented telemonitoring and maintenance with Internet (Internet).
The purpose of this utility model is to constitute like this, construct a kind of can by with the intelligent refrigerator of the band monitor-interface of outside microcomputer communication, comprise the CPU element that is connected to output loading module, output display module, TEMP module, control panel input signal module, input/the outbound port of described CPU element also is connected with the data communication transceiver module and is connected with this module and is installed in communication port on the refrigerator, and described communication port can be connected with the serial port of external microcomputer by cable.The input port of described CPU element also is connected with the door switch input signal module.
In the intelligent refrigerator of the band monitor-interface that provides according to the utility model, described temperature sensor input signal module comprises refrigerating chamber temperature-sensitive head, the steady head of refrigerating chamber sense, ice making temperature-sensitive head, defrost temperature-sensitive head and environment temperature-sensitive head.Described output loading module comprises and is connected with compressor, illuminating lamp, air channel fan electromotor, defrosting heating tube, water receiving tank heater, water inlet pipe heater strip, MOD, pulsating pump, ice machine assembly.Described control panel input signal module comprises and is connected with refrigeration room temperature accents, freezing room temperature accent, automatic button, surpasses and freeze button and ice making stops button etc.Described door switch input signal module comprises and is connected with refrigerating-chamber door switch, refrigerating chamber 1 door switch, refrigerating chamber 2 door switch and fruit and vegetable chamber door switch.Described output display module includes and super freezes that indicator lamp, ice making suspend indicator lamp, ice making stops indicator lamp, automatic pilot lamp and energy-saving indicating lamp.Wherein, described data communication transceiver module is the serial data transceiver module, specifically is the RS-232 serial transceiver.
Implement the intelligent refrigerator that the utility model provides, can realize easily that intelligent refrigerator is connected with computer, realization is to the refrigerator condition monitoring, also can pass through simultaneously external computer, local telephone connection Internet, make the producer's server on the Internet to carry out real-time automatic monitoring to online each intelligent refrigerator, comprise diagnosis and maintenance, thereby realize the automatic monitoring and the remote monitoring of refrigerator.
In conjunction with the accompanying drawings and embodiments, further specify characteristics of the present utility model, in the accompanying drawing:
Fig. 1 is the outside schematic diagram that connects of the intelligent refrigerator of the utility model band monitor-interface;
Fig. 2 is the another kind of outside schematic diagram that connects of the intelligent refrigerator of the utility model band monitor-interface;
Fig. 3 is a structural representation of using the intelligent refrigerator of the utility model band monitor-interface;
Fig. 4 is the logical construction schematic diagram of the intelligent refrigerator of the utility model band monitor-interface;
Fig. 5 is the circuit theory diagrams of interface section of the intelligent refrigerator of the utility model band monitor-interface;
Fig. 6 is the circuit theory diagrams of the intelligent refrigerator of the utility model band monitor-interface.
As shown in Figure 1, intelligent refrigerator links to each other by network connection with computer, in a kind of outside connection of the intelligent refrigerator of the utility model band monitor-interface, intelligent refrigerator 100 is connected with outer computer 300 by line 200, and this outer computer is connected to the INTERNET net by modem 400 simultaneously.
In another kind of outside the connection in the form of the intelligent refrigerator of the utility model band monitor-interface as shown in Figure 2, notebook 300 is directly placed on the door body of intelligent refrigerator 100 (can on the door body setting operation keyboard 500), this notebook computer 300 both was connected with intelligent refrigerator 100, be connected with modem 400 again, it is online to be connected to INTERNET by modem 400.
In the structural representation of the intelligent refrigerator of the utility model band monitor-interface shown in Fig. 3, outstandingly intelligent refrigerator 100 of the present utility model is shown the RS-232 interface 700 that can communicate by letter with outer PC is arranged; Described outer PC 300 also can be connected the real-time automatic condition monitoring of realization by special circuit or common line with central computer 600.
The logic block-diagram of the intelligent refrigerator of the band monitor-interface that the utility model shown in Fig. 4 provides, as seen from the figure, refrigerator microprocessor 10 is connected to TEMP input signal module 20, control panel input signal module 30 and door switch input signal module 40 at input port, be connected with output loading module 50 and output display module 60 at output port, importantly, also be connected with RS-232 transceiver module 70 on the I/O of microprocessor port, this module is carried out bidirectional data communication by the microcomputer that RS-232 interface 80 can be connected with the outside.
Fig. 5 shows the circuit theory diagrams of the data transmit-receive module in the intelligent refrigerator of band monitor-interface of the present utility model, as seen from the figure, the RS232 serial interface is one nine core plug (also can 25 core plugs), the transceiving chip that it is MAX202CPE that data transmit-receive module described in Fig. 4 is actually a model, the input/outbound port of this chip is connected with the refrigerator single-chip microcomputer by line.Chip MAX202CPE plays the bidirectional data transfers effect, the TTL signal that single-chip microcomputer can be sent is converted into the RS-232 level signal, and gives external computer and handle, simultaneously, the RS-232 level signal that external computer is sended over is converted into the Transistor-Transistor Logic level signal, and the operation of commander's refrigerator.
The circuit theory diagrams of the intelligent refrigerator of the band monitor-interface of the present utility model shown in Fig. 6.In conjunction with this figure, it is as follows to further specify importation, output and communication part:
One, 1. sensor signal importations, importation:
Temperature sensor input signal module among Fig. 4 comprises and is connected with the steady head of refrigerating chamber temperature-sensitive head, refrigerating chamber sense, ice making temperature-sensitive head, defrost temperature-sensitive head and environment temperature-sensitive head.Adopted 5 temperature-sensitive heads among Fig. 5, be used to experience variation of temperature, the dividing potential drop effect of the pull-up resistor by series connection with it is converted into the variation of voltage with variation of temperature, and the AD mouth that this magnitude of voltage is delivered to single-chip microcomputer is handled.2. man-machine interface (guidance panel) part:
Control panel input signal module among Fig. 4 comprises and is connected with refrigeration room temperature accents, freezing room temperature accent, automatic button, surpasses and freeze button and ice making stops button etc.
ⅰ) refrigeration room temperature accent, freezing room temperature are adjusted to analog quantity, and its magnitude of voltage is delivered to the AD mouth of single-chip microcomputer and handled.(principle is with 1. sensor signal importations)
ⅱ) each indicator lamp, each button are switching value, handle by the two-way I/O mouth of single-chip microcomputer.3. door switch signal input:
Door switch input signal module among Fig. 4 comprises and is connected with refrigerating-chamber door switch, refrigerating chamber 1 door switch, refrigerating chamber 2 door switch and fruit and vegetable chamber door switch.The door switch signal is a switching value, handles by the two-way I/O mouth of single-chip microcomputer.
Two, output
Output loading module among Fig. 4 comprises and is connected with compressor, illuminating lamp, air channel fan electromotor, defrosting heating tube, water receiving tank heater, water inlet pipe heater strip, MOD, pulsating pump, ice machine assembly.1. forceful electric power load control section:
This part comprises parts such as various heater strips, heating tube, compressor.All (JK2 ~ JK6) or light lotus root (IC110, IC112) are switched by relay in all loads.2003 (IC102, IC103) of its preceding utmost point are current driver.2. air channel fan electromotor part:
The air channel fan electromotor partly adopts speed regulating control, by triode VQ03, diode VD102 ~ VD104 change fan electromotor control voltage in D11 district, thus the purpose of realization speed governing.3. MOD, pulsating pump and from ice motor part:
Adopt special control circuit and special chip to control (principle slightly) among the figure.
Output display module among Fig. 4 includes and super freezes that indicator lamp, ice making suspend indicator lamp, ice making stops indicator lamp, automatic pilot lamp and energy-saving indicating lamp.
Three, serial signal processing section:
In this hardware circuit, communication chip MAX202CPE transceiver plays bidirectional data transfers, will be converted into the RS-232 level signal from the Transistor-Transistor Logic level signal that single-chip microcomputer sends, and give computer and handle.Simultaneously, the RS-232 level signal that computer is sended over is converted into the Transistor-Transistor Logic level signal, and the operation of commander's refrigerator.
As a supplement, illustrate that the control law of refrigerator each several part is as follows:
Stimulus part comprises temperature adjusting plate, temperature-sensitive head, door switch etc., and output comprises compressor, temperature fuse, gate light, heater, fan electromotor, MOD, pulsating pump and from the ice motor.
Its control principle is: the master board collecting temperature is provided with and the analog signal of temperature-sensitive head temperature-sensitive and the switching value signal of door switch, with analog signal after A/D converts numerical value to, judge through the singlechip microcomputer logic and to send control instruction that control signal drives load through output amplifier, and (the relay J K2 of executing agency ~ JK6) finishes the control to load.
The selection of control law and control parameter:
Compressor control: the control of compressor generally is that actual temperature value and desired temperature that temperature-sensitive head collects are compared, the start-stop of decision compressor.Generally, the startup-shutdown temperature of refrigerating chamber is: Tk=Ts+3 ℃, Tt=Ts-3 ℃.The startup-shutdown temperature of refrigerating chamber is: Tk=Ts+1 ℃, Tt=Ts-1 ℃.
Fan electromotor control: fan electromotor is provided with for heat exchange air-flow circulation in the case; so the start-stop of fan electromotor start-stop general and compressor is synchronous; be the compressor start, fan motor runs, compressor shutdown; fan electromotor shuts down; simultaneously, the cold air in order to prevent to open the door leaks, and the start-stop of fan electromotor also is subjected to the control of door switch; promptly any one door is opened in refrigeration, the refrigerating chamber, and fan electromotor shuts down.
Defrost heater control: from fresh-keeping, energy-conservation angle, Defrost heater should be automatic sensing frost thickness, accomplished that frost then removes, but the detection of frost layer can't be accurate at present, therefore, present stage Defrost heater the general bar of control reach the way control of predetermined defrosting temperature cutoff with regularly connecting defrosting, temperature.It generally is accumulation compressor operating 9 hours that Defrost heater is connected.Defrosting finishes to be generally evaporimeter (temperature-sensitive head promptly defrosts) temperature and reaches 6 ℃.The power of Defrost heater is generally 145 ~ 160W.
Because for refrigerator; Defrost heater is a heater, if Defrost heater can not effectively turn-off the danger that causes fire, therefore; in Defrost heater control, increased temperature fuse protection and the software judgement usually safeguard measures such as protection of the longest heat time heating time.
Temperature fuse is out of control when Defrost heater, makes evaporator temperature reach 72 ℃ of fusing automatically, cuts off heating circuit.
The control of Defrost heater heating maximum duration generally is when the continuous time of connecting of accumulation heater reaches 1 hour in software, to cut off the heater loop automatically.
Gate light control: gate light generally is a refrigerating chamber illumination usefulness, so be controlled by the refrigerating-chamber door switch.Frost-free refrigerator illuminating lamp power is generally 10W.
Duct insert heater control: duct insert heater (backwind tube heater strip among the figure and return air inlet heater strip) designs in order to prevent the air channel from freezing the obstruction air channel, and duct insert heater works asynchronously with Defrost heater.
MOD control: the switching of MOD is determined by the refrigerating chamber temperature-sensitive head.When temperature of refrigerating chamber hangs down to break point, close MOD, when temperature of refrigerating chamber exceeds the start point, open MOD.
Pulsating pump and from the ice Electric Machine Control: this part is automatic ice maker part (principle slightly)
The intelligent refrigerator that utilizes the utility model to provide carries out condition monitoring, process diagnosis and maintenance can be realized by comprising these three links of intelligent refrigerator, external microcomputer and diagnosis and maintenance centre's computer, wherein, intelligent refrigerator is connected by the serial communication circuit with external microcomputer, and microcomputer is connected by the Internet with maintenance centre's computer with diagnosis.Now as follows to the function declaration of each link: A) the intelligent refrigerator main composition of band monitor-interface: on the basis of traditional computer refrigerator, having increased serial transmitting-receiving communication module is standard RS-232 asynchronous serial port and relevant communication command control law and communications protocol.Major function:
1) refrigerator Based Intelligent Control is by optimum state operation (this point is a basic function, and general refrigerator also must have).
2) the refrigerator microprocessor can receive from microcomputer and send the communication command of coming by RS-232 Asynchronous Serial Interface biography, the computer refrigerator is according to the order of microcomputer, sends the desired data of microcomputer (these data are refrigerator operational factors such as the temperature, compressor operating state, door opening and closing state of each chamber of refrigerator) by the communication rule of being formulated.
3) refrigerator can receive from microcomputer and send the data of coming by RS-232 Asynchronous Serial Interface biography, and the operational factor that can rewrite refrigerator.B) external microcomputer main composition: PC, the MODEM that is connected with PC, communications protocol, browse the software major function by the refrigerator parameter of PC operation:
1. by each parts practical operation situation of dedicated network software observes refrigerator
2. with the network refrigerator communication, the operational factor of asking for network refrigerator
3. the operational factor with network refrigerator sends to the maintenance centre by MODEM
4. download the refrigerator major parameter that remote computer is sent by user's PC, reset the refrigerator operational factor, optimize the refrigerator runnability.C) maintenance centre's micro-computer function (service centre's computers of producer's server such as Guangdong Ke Long general headquarters) main composition: computer, communication apparatus (as MODEM), refrigerator parameter monitoring software major function: maintenance centre's microcomputer shows the parameter that user's microcomputer sends by special-purpose software, concludes the running status of network refrigerator for the maintenance expert.Communication modes:
Serial line interface adopts the RS-232 asynchronous communication mode, and baud rate is 15200bit/s to the maximum, and minimum is 2400bit/s.
The refrigerator of band monitor-interface 1. of the present utility model → user's PC → long-range PC: the computer refrigerator is according to the order of microcomputer, sends the desired data of microcomputer (these data are refrigerator operational factors such as the temperature, compressor operating state, door opening and closing state of each chamber of refrigerator) by the communication rule of being formulated.
But real-time monitored is to the operation conditions of refrigerator on user's PC.Can the refrigerator major parameter be sent to remote computer by the INTERNET net by user's PC, realize telemonitoring.
2. long-range PC → user's PC → intelligent refrigerator of the present utility model: download the main operational factor of refrigerator that remote computer is sent by user's PC, reset the refrigerator operational factor, rewrite refrigerator ROM, optimize the refrigerator runnability.Remote maintenance after realizing surfing the Net.
Claims (10)
1, a kind of intelligent refrigerator with monitor-interface, it is characterized in that, comprise the CPU element that is connected to output loading module, output display module, TEMP module, control panel input signal module, the input/outbound port of described CPU element also is connected with the data communication transceiver module and is connected with this module and is installed in communication port on the refrigerator.
2, intelligent refrigerator according to claim 1 is characterized in that, described communication port is connected with the serial port of external microcomputer by cable.
3, intelligent refrigerator according to claim 1 is characterized in that, the input port of described CPU element also is connected with the door switch input signal module.
4, intelligent refrigerator according to claim 1 is characterized in that, described data communication transceiver module is the serial data transceiver module.
5, intelligent refrigerator according to claim 4 is characterized in that, described serial data transceiver module is the RS-232 serial transceiver.
6, intelligent refrigerator according to claim 1 is characterized in that, described temperature sensor input signal module comprises refrigerating chamber temperature-sensitive head, the steady head of refrigerating chamber sense, ice making temperature-sensitive head, defrost temperature-sensitive head and environment temperature-sensitive head.
7, intelligent refrigerator according to claim 1, it is characterized in that described output loading module comprises and is connected with compressor, illuminating lamp, air channel fan electromotor, defrosting heating tube, water receiving tank heater, water inlet pipe heater strip, MOD, pulsating pump, ice machine assembly.
8, intelligent refrigerator according to claim 1 is characterized in that, described control panel input signal module comprises and is connected with refrigeration room temperature accents, freezing room temperature accent, automatic button, surpasses and freeze button and ice making stops button etc.
9, intelligent refrigerator according to claim 3, it is characterized in that, described door switch input signal module comprises and is connected with refrigerating-chamber door switch, refrigerating chamber 1 door switch, refrigerating chamber 2 door switch and fruit and vegetable chamber door switch, the door switch signal is a switching value, handles by the two-way I/O mouth of single-chip microcomputer.
10, intelligent refrigerator according to claim 1 is characterized in that, described output display module includes and super freezes that indicator lamp, ice making suspend indicator lamp, ice making stops indicator lamp, automatic pilot lamp and energy-saving indicating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00228299 CN2425337Y (en) | 2000-05-26 | 2000-05-26 | Intelligent refrigerator with monitoring interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00228299 CN2425337Y (en) | 2000-05-26 | 2000-05-26 | Intelligent refrigerator with monitoring interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2425337Y true CN2425337Y (en) | 2001-03-28 |
Family
ID=33591790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00228299 Expired - Fee Related CN2425337Y (en) | 2000-05-26 | 2000-05-26 | Intelligent refrigerator with monitoring interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2425337Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303390C (en) * | 2003-12-04 | 2007-03-07 | 广东科龙电器股份有限公司 | Intelligent refrigerator and its control method |
| CN102116568A (en) * | 2009-12-31 | 2011-07-06 | 青岛海尔软件有限公司 | Graphic management system for freezing and storing samples |
| CN110381234A (en) * | 2019-05-08 | 2019-10-25 | 惠州市桑莱士智能科技股份有限公司 | Network monitoring camera head for refrigerator |
| CN110500832A (en) * | 2019-08-27 | 2019-11-26 | 张掖市祥汇园果蔬有限公司 | A kind of remote controlled refrigeration control system |
-
2000
- 2000-05-26 CN CN 00228299 patent/CN2425337Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303390C (en) * | 2003-12-04 | 2007-03-07 | 广东科龙电器股份有限公司 | Intelligent refrigerator and its control method |
| CN102116568A (en) * | 2009-12-31 | 2011-07-06 | 青岛海尔软件有限公司 | Graphic management system for freezing and storing samples |
| CN110381234A (en) * | 2019-05-08 | 2019-10-25 | 惠州市桑莱士智能科技股份有限公司 | Network monitoring camera head for refrigerator |
| CN110381234B (en) * | 2019-05-08 | 2024-05-17 | 惠州市桑莱士智能科技股份有限公司 | Network monitoring camera for refrigerator |
| CN110500832A (en) * | 2019-08-27 | 2019-11-26 | 张掖市祥汇园果蔬有限公司 | A kind of remote controlled refrigeration control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |