CN204016009U - A kind of electric cooker with detection of power loss function - Google Patents
A kind of electric cooker with detection of power loss function Download PDFInfo
- Publication number
- CN204016009U CN204016009U CN201420334782.8U CN201420334782U CN204016009U CN 204016009 U CN204016009 U CN 204016009U CN 201420334782 U CN201420334782 U CN 201420334782U CN 204016009 U CN204016009 U CN 204016009U
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- CN
- China
- Prior art keywords
- divider resistance
- triode
- electric cooker
- power
- loss function
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Abstract
The utility model discloses a kind of electric cooker with detection of power loss function, it has power-fail detection circuit, described power-fail detection circuit comprises the input for being connected with electric cooker operating circuit, described input is connected with a current-limiting resistance R21, the output Yi road of described current-limiting resistance R21 is connected with a capacitor C 16, another road of the output of current-limiting resistance R21 connects respectively divider resistance R20 and divider resistance R33, the output of divider resistance R33 is connected with a triode, the colelctor electrode of described triode connects divider resistance R33, the emitter stage of triode is connected with a biasing resistor R18, the base stage of triode is connected with a biasing resistor R19, described capacitor C 16, the equal ground connection of the other end of divider resistance R20 and biasing resistor R19.The utility model can promptly and accurately capture the moment of electric cooker power-off, has improved its service life.
Description
Technical field
The utility model relates to household appliance technical field, specifically, specially refers to a kind of electric cooker with detection of power loss function.
Background technology
Existing electric cooker, in order to realize power failure memory function, needs constantly to detect the operating circuit of electric cooker, and this way greatly reduces the service life of whole operating circuit.
Utility model content
The technical problem that the utility model actual needs solves is: for deficiency of the prior art, provide a kind of electric cooker with detection of power loss function, to address the above problem.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of electric cooker with detection of power loss function, comprise rice cooker body, the top of described rice cooker body is provided with pot lid, one side of described pot lid is flexibly connected with rice cooker body by rotating shaft, and can switch open mode and closed condition around rotating shaft, the inside of described rice cooker body is provided with culinary art cavity;
Also comprise power-fail detection circuit, described power-fail detection circuit comprises the input for being connected with electric cooker operating circuit, described input is connected with a current-limiting resistance R21, the output Yi road of described current-limiting resistance R21 is connected with a capacitor C 16, another road of the output of current-limiting resistance R21 connects respectively divider resistance R20 and divider resistance R33, the output of divider resistance R33 is connected with a triode, the colelctor electrode of described triode connects divider resistance R33, the emitter stage of triode is connected with a biasing resistor R18, the base stage of triode is connected with a biasing resistor R19, described capacitor C 16, the equal ground connection of the other end of divider resistance R20 and biasing resistor R19.
Further, described culinary art cavity is also provided with temperature sensor, and described culinary art cavity is communicated with outside by steam channel, and described temperature sensor is installed on a side of steam channel.
Further, described steam channel offers mounting groove, and the end of described mounting groove is provided with heat transfer cover body, and described temperature sensor is installed in described mounting groove.
Compared with prior art, the beneficial effects of the utility model are as follows:
Simple in structure, design ingeniously, can promptly and accurately capture moment of electric cooker power-off, improve its service life.
Brief description of the drawings
Fig. 1 is the structural representation of the electric cooker with detection of power loss function described in the utility model.
Fig. 2 is the circuit diagram of power-fail detection circuit described in the utility model.
Number in the figure explanation: rice cooker body 1, pot covers 2, rotating shaft 3, cook cavity 4, temperature sensor 5, power-fail detection circuit 6.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with detailed description of the invention, further set forth the utility model.
Referring to Fig. 1, a kind of electric cooker with detection of power loss function described in the utility model, comprise rice cooker body 1, the top of described rice cooker body 1 is provided with pot and covers 2, one side of described pot lid 2 is flexibly connected with rice cooker body 1 by rotating shaft 3, and can switch open mode and closed condition around rotating shaft 3, the inside of described rice cooker body 1 is provided with culinary art cavity 4; Described culinary art cavity 4 is also provided with temperature sensor 5, and described culinary art cavity 4 is communicated with outside by steam channel, and described temperature sensor 5 is installed on a side of steam channel.Described steam channel offers mounting groove, and the end of described mounting groove is provided with heat transfer cover body, and described temperature sensor 5 is installed in described mounting groove.By adopting said structure design, ensureing, under the prerequisite of temperature sensor 5 accuracy of detection, to have extended its service life.
Referring to Fig. 2, the utility model also comprises power-fail detection circuit 6, described power-fail detection circuit 6 comprises the input for being connected with electric cooker operating circuit, described input is connected with a current-limiting resistance R21, the output Yi road of described current-limiting resistance R21 is connected with a capacitor C 16, another road of the output of current-limiting resistance R21 connects respectively divider resistance R20 and divider resistance R33, the output of divider resistance R33 is connected with a triode, the colelctor electrode of described triode connects divider resistance R33, the emitter stage of triode is connected with a biasing resistor R18, the base stage of triode is connected with a biasing resistor R19, described capacitor C 16, the equal ground connection of the other end of divider resistance R20 and biasing resistor R19.
The operation principle of above-mentioned power-fail detection circuit 6 is as follows:
In the time of normal power supply, utilize biasing resistor R18 and biasing resistor R19 to make triode conducting, input INT just obtains, by divider resistance R33 and divider resistance R20,12V is carried out to dividing potential drop, obtains high level.
In the time of power down, the 12V of input disappears, and the connectivity port of triode and input INT becomes low level, and input INT there will be the trailing edge to low transition by high level, thereby can detect power down moment.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. one kind has the electric cooker of detection of power loss function, comprise rice cooker body, the top of described rice cooker body is provided with pot lid, one side of described pot lid is flexibly connected with rice cooker body by rotating shaft, and can switch open mode and closed condition around rotating shaft, the inside of described rice cooker body is provided with culinary art cavity;
It is characterized in that: also comprise power-fail detection circuit, described power-fail detection circuit comprises the input for being connected with electric cooker operating circuit, described input is connected with a current-limiting resistance R21, the output Yi road of described current-limiting resistance R21 is connected with a capacitor C 16, another road of the output of current-limiting resistance R21 connects respectively divider resistance R20 and divider resistance R33, the output of divider resistance R33 is connected with a triode, the colelctor electrode of described triode connects divider resistance R33, the emitter stage of triode is connected with a biasing resistor R18, the base stage of triode is connected with a biasing resistor R19, described capacitor C 16, the equal ground connection of the other end of divider resistance R20 and biasing resistor R19.
2. the electric cooker with detection of power loss function according to claim 1, it is characterized in that: described culinary art cavity is also provided with temperature sensor, described culinary art cavity is communicated with outside by steam channel, and described temperature sensor is installed on a side of steam channel.
3. the electric cooker with detection of power loss function according to claim 2, is characterized in that: described steam channel offers mounting groove, the end of described mounting groove is provided with heat transfer cover body, and described temperature sensor is installed in described mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334782.8U CN204016009U (en) | 2014-06-20 | 2014-06-20 | A kind of electric cooker with detection of power loss function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334782.8U CN204016009U (en) | 2014-06-20 | 2014-06-20 | A kind of electric cooker with detection of power loss function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204016009U true CN204016009U (en) | 2014-12-17 |
Family
ID=52055937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420334782.8U Expired - Fee Related CN204016009U (en) | 2014-06-20 | 2014-06-20 | A kind of electric cooker with detection of power loss function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204016009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236419A (en) * | 2018-03-07 | 2019-09-17 | 广东美的生活电器制造有限公司 | Food processor and its control system and power down display control method |
-
2014
- 2014-06-20 CN CN201420334782.8U patent/CN204016009U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236419A (en) * | 2018-03-07 | 2019-09-17 | 广东美的生活电器制造有限公司 | Food processor and its control system and power down display control method |
| CN110236419B (en) * | 2018-03-07 | 2021-06-18 | 广东美的生活电器制造有限公司 | Food processor and control system and power-off display control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |