CN2713937Y - Electric cooker capable of displaying heat preservation process - Google Patents
Electric cooker capable of displaying heat preservation process Download PDFInfo
- Publication number
- CN2713937Y CN2713937Y CN 200420046627 CN200420046627U CN2713937Y CN 2713937 Y CN2713937 Y CN 2713937Y CN 200420046627 CN200420046627 CN 200420046627 CN 200420046627 U CN200420046627 U CN 200420046627U CN 2713937 Y CN2713937 Y CN 2713937Y
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- China
- Prior art keywords
- indicator lamp
- electric cooker
- microprocessor
- circuit
- drive circuit
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Abstract
The utility model relates to an electric cooker, specifically relates to an electric cooker capable of displaying heat preservation process, which is provided for solving the problem of the existing electric cooker that the heat preservation time can not be displayed to puzzle the user of assessing whether the rice is cooked. Except for comprising a main electric hot tray, a subsidiary electric hot tray, and a thermoregulator, the electric cooker of the utility model also comprises a microprocessor which is connected with the thermoregulator, a calculagraph and an indicating drive circuit that are connected with the microprocessor, and a plurality of indicating lights which are connected with the indicating drive circuit and are installed on the visible positions on the electric cooker. The microprocessor can start the chronograph to time according to the switch motion signal input by the thermoregulator, and the microprocessor can output corresponding control signal to the indicating drive circuit according to the time variation quantity from the chronograph orderly, so that the plurality of indicating lights can be switched on or off orderly. By using the electric cooker, the user can judge the heat preservation time according to the amount of the indicating lights switched on, and whether the rice in the electric cooker is cooked can be judged accordingly.
Description
Technical field
The utility model relates to electric cooker, particularly a kind of electric cooker that shows the insulation process.
Background technology
Electric cooker is a kind of family's small electric apparatus commonly used, is mainly used in and cooks, and also can cook congee simultaneously, Baoshang etc., and use is general especially on China, Japan, Southeast Asia and other places.
To cook is example, and in use, electric cooker need be to water and Mi Jinhang heating, and lasting heating can make the moisture in the electric cooker constantly evaporate.When pot end lacked moisture, its temperature can rise gradually, and when rising to limiting temperature, the temperature controller of electric cooker inside can produce change action, and main heating electric hot tray is quit work, and secondary heating electric hot tray is started working, and this moment, electric cooker entered keeping warm mode; Correspondingly, electric cooker can show its keeping warm mode, but this moment, rice was unripe fully, and only rice just can be really well-done after insulation a period of time.What is more important if the user does not know to electric cooker it is when to enter keeping warm mode, just can't be known that rice is whether well-done and can eat.
Various electric cookers in the market all exist can only show keeping warm mode, can not show this problem of temperature retention time; Even those have the electric cooker of time display function, also just shown the whole time that begins to calculate that time from start work, can not show its temperature retention time especially.
The utility model content
At the above-mentioned defective of prior art, whether well-done the utility model will solve existing electric cooker because of the meal that can not show temperature retention time and allow the user be unable to estimate to be boiled problem.
The technical scheme that its technical problem that solves the utility model adopts is: constructs a kind of electric cooker that shows the insulation process, comprises main electric hot tray, and secondary electric hot tray, and be used for temperature-sensitive and between major and minor electric hot tray, realize the temperature controller of power supply switching controls; Wherein, also comprise and described temperature controller microprocessor linked, timer that is connected with described microprocessor and indication drive circuit, and be connected and be contained in many groups indicator lamp of viewing position on the electric cooker with described indication drive circuit; Described microprocessor can pick up counting according to the described timer of change action signal enabling by the temperature controller input, and according to the time variation amount of timer successively to described indication drive circuit output control signal corresponding, thereby make the described indicator lamp of respectively organizing light successively or extinguish.
In the utility model, described microprocessor can have N indicator lamp control signal output, correspondingly, N on-off circuit is arranged in the described indication drive circuit; Each indicator lamp control signal output is connected to the control end of an on-off circuit; The input termination indicator lamp working power of each on-off circuit, output then is connected to first end of at least one group of indicator lamp; Wherein, N is the integer more than or equal to 2.
In the utility model, described microprocessor also can have M indicator lamp feedback end, correspondingly, the output of each described on-off circuit is connected to first end of M group indicator lamp, and second end of described M group indicator lamp is connected to M indicator lamp feedback end of described microprocessor successively; Wherein, M is the integer more than or equal to 1.When M equals 1, each can be organized the direct ground connection of second end of indicator lamp.
In the utility model, comprise a triode in each described on-off circuit, the base stage of described triode is as the control end of on-off circuit, and one in the emitter and collector as indicator lamp working power input, and another is then as output.In addition, each group indicator lamp can comprise P light emitting diode in series or in parallel with each other; Wherein, P is the integer more than or equal to 1.
Electric cooker of the present utility model adopts simple circuit to realize the temperature retention time Presentation Function, when the temperature in the electric cooker reaches limiting temperature, the temperature controller action makes electric cooker enter keeping warm mode, this moment, timer picked up counting, microprocessor according to the time variation amount of timer successively to described indication drive circuit output control signal corresponding, thereby make the described indicator lamp of respectively organizing light successively or extinguish.The user can judge temperature retention time according to the quantity that display lamp lights, and then can judge whether the meal in the electric cooker is well-done.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the theory diagram of the utility model electric cooker;
Fig. 2 is the connecting circuit figure between microprocessor in preferred embodiment of the utility model, indication drive circuit and the indicator lamp.
The specific embodiment
Principle of the present utility model as shown in Figure 1, in this electric cooker, when the temperature of electric cooker reached limiting temperature, temperature controller produced change action, main electric hot tray 2 is quit work, and secondary electric hot tray 3 is started working, this moment, electric cooker entered keeping warm mode.When carrying out change action, temperature controller 1 can send a change action signal to microprocessor 4, after microprocessor is received this change action signal, can send a control signal to timer 5 makes it to pick up counting, then, microprocessor can be according to the time variation amount of timer successively to indication drive circuit 7 output control signal corresponding, and the indication drive circuit is controlled the many groups indicator lamp that is attached thereto again and lighted successively or extinguish.According to daily habits, in the present embodiment, indicator lamp all is in and extinguishes state during beginning, timer 5 starts the back and picks up counting and increase gradually from 0, every increase by one period scheduled time then microprocessor start one tunnel control signal, correspondingly, lighted successively by the indicator lamp of respectively organizing of its control.Working power 8 among Fig. 1 is meant microprocessor, timer, indication drive circuit warp and the required dc supply of indicator lamp.
As shown in Figure 2, in this enforcement, microprocessor has 5 indicator lamp control signal outputs 11, i.e. N=5, and 2 indicator lamp feedback ends, i.e. M=2 are arranged; With wherein first indicator lamp control signal output 11 is example, and this output is connected to the base stage of triode Q5 through a resistance R 5, and the emitter stage of Q5 meets working power VCC, and colelctor electrode then is connected to first end of two groups of indicator lamps; Wherein, comprise 2 indicator lamp L1 and L11 in first group of indicator lamp, i.e. P=2, both are parallel with one another, and second end is connected to first indicator lamp feedback end 21 of microprocessor; Also comprise 2 indicator lamp L6 and L16 in second group of indicator lamp, both are parallel with one another, and second end is connected to second indicator lamp feedback end 22 of microprocessor.
During concrete enforcement, available other switching device replaces triode wherein; Indicator lamp wherein can be common miniature bulb, preferably light emitting diode (LED).As want to reduce indicator lamp quantity, and can remove the whole indicator lamps of L11 and L16 column among Fig. 2, at this moment, each triode still is connected with 2 groups of indicator lamps (being M=2), but has only an indicator lamp (being P=1) in each group indicator lamp; In addition, also can further remove whole indicator lamps of those row of L6 place, this moment, each triode only connected 1 group of indicator lamp (be M=1, and P=1), at this moment, and also can be with the direct ground connection of second end of each indicator lamp of L1 column.
For embodiment shown in Figure 2, go out the required temperature retention time of variety classes electric cooker according to experimental test earlier, suppose that herein required temperature retention time is 5 minutes (300 seconds).After entering keeping warm mode, timing picks up counting, and after temperature retention time reached 30 seconds, first indicator lamp control signal output 11 made it conducting to triode Q5 output control signal, thereby makes L1 and L11 switch on shinny; After temperature retention time reached 60 seconds, L2 and L12 lamp were also switched on shinny; After temperature retention time reached 90 seconds, L3 and L13 also switched on shinny, and the rest may be inferred, and when temperature retention time reached 5 minutes, L10 and L20 also switched on shinny, and this moment, all lamp all was in shinny state, and expression rice is well-done and edible.
Circuit of the present utility model is simple, and required components and parts are less, and above-mentioned each indicator lamp is contained in the viewing position of electric cooker, and for example sidewall just can reach the purpose that shows temperature retention time, brings great convenience to the user.
Claims (6)
1, a kind of electric cooker that shows the insulation process comprises main electric hot tray, secondary electric hot tray, and be used for temperature-sensitive and between major and minor electric hot tray, realize the temperature controller of power supply switching controls; It is characterized in that,
Also comprise and described temperature controller microprocessor linked, timer that is connected with described microprocessor and indication drive circuit, and be connected and be contained in many groups indicator lamp of viewing position on the electric cooker with described indication drive circuit; Described microprocessor can pick up counting according to the described timer of change action signal enabling by the temperature controller input, and according to the time variation amount of timer successively to described indication drive circuit output control signal corresponding, thereby make the described indicator lamp of respectively organizing light successively or extinguish.
2, the electric cooker that shows the insulation process according to claim 1 is characterized in that, described microprocessor has N indicator lamp control signal output, and N on-off circuit arranged in the described indication drive circuit; Each indicator lamp control signal output is connected to the control end of an on-off circuit; The input termination indicator lamp working power of each on-off circuit, output then is connected to first end of at least one group of indicator lamp; Wherein, N is the integer more than or equal to 2.
3, the electric cooker that shows the insulation process according to claim 2 is characterized in that, each organizes the direct ground connection of second end of described indicator lamp.
4, the electric cooker that shows the insulation process according to claim 2, it is characterized in that, described microprocessor also has M indicator lamp feedback end, the output of each described on-off circuit is connected to first end of M group indicator lamp, and second end of described M group indicator lamp is connected to M indicator lamp feedback end of described microprocessor successively; Wherein, M is the integer more than or equal to 1.
5, according to each described electric cooker that shows the insulation process among the claim 1-4, it is characterized in that, comprise a triode in each described on-off circuit, the base stage of described triode is as the control end of on-off circuit, one in the emitter and collector as indicator lamp working power input, and another is then as output.
6, the electric cooker that shows the insulation process according to claim 5 is characterized in that, comprises P light emitting diode in series or in parallel with each other in each group indicator lamp; Wherein, P is the integer more than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420046627 CN2713937Y (en) | 2004-06-02 | 2004-06-02 | Electric cooker capable of displaying heat preservation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420046627 CN2713937Y (en) | 2004-06-02 | 2004-06-02 | Electric cooker capable of displaying heat preservation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2713937Y true CN2713937Y (en) | 2005-08-03 |
Family
ID=34872246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420046627 Expired - Fee Related CN2713937Y (en) | 2004-06-02 | 2004-06-02 | Electric cooker capable of displaying heat preservation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2713937Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071454A (en) * | 2014-06-23 | 2014-10-01 | 江苏爱思协尔电气设备有限公司 | Novel automatic alarming device of scrap wire box of winding machine |
| CN113543888A (en) * | 2019-12-27 | 2021-10-22 | 埃佩多夫海马克科技株式会社 | Centrifugal machine |
-
2004
- 2004-06-02 CN CN 200420046627 patent/CN2713937Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071454A (en) * | 2014-06-23 | 2014-10-01 | 江苏爱思协尔电气设备有限公司 | Novel automatic alarming device of scrap wire box of winding machine |
| CN113543888A (en) * | 2019-12-27 | 2021-10-22 | 埃佩多夫海马克科技株式会社 | Centrifugal machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |