CN2734081Y - Controller of electric rice cooker with cake steaming function - Google Patents
Controller of electric rice cooker with cake steaming function Download PDFInfo
- Publication number
- CN2734081Y CN2734081Y CN 200420088578 CN200420088578U CN2734081Y CN 2734081 Y CN2734081 Y CN 2734081Y CN 200420088578 CN200420088578 CN 200420088578 CN 200420088578 U CN200420088578 U CN 200420088578U CN 2734081 Y CN2734081 Y CN 2734081Y
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- circuit
- cake
- rice cooker
- electric rice
- temperature
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Abstract
The utility model discloses a controller of an electric rice cooker with cake steaming function, comprising an SCM which is controlled according to the temperature curve of the cake, a temperature detection circuit, a key input circuit, a reset circuit, a loading output control circuit and a rectifier filter power circuit; all the functional circuits of the utility model are connected with the corresponding functional interface of the SCM. The temperature detection circuit comprises two temperature sensors which are respectively fixed on the top and the bottom of the electric rice cooker. Through checking the temperature of the sensors arranged on the top and the bottom of the electric rice cooker according to the temperature curve of the cake, the power of the electric rice cooker can be adjusted by the SCM; therefore, the steamed cake is delicious.
Description
Technical field
The utility model relates to a kind of computer controller of multifunctional electric cooker, especially relates to a kind of band cake steaming function electric cooker controller.
Background technology
General electric cooker is just merely cooked, but the development of making rapid progress along with technology, and present electric cooker has been realized a tractor serves several purposes, can cook gruel, boiling, stew.But the electric cooker of band cake steaming function is comparatively rare on the market.
The utility model content
The purpose of this utility model is to provide a kind of electric cooker computer controller with the cake steaming function,
The purpose of this utility model can realize by following technical measures: comprise single-chip microcomputer, temperature sensing circuit, button inputting circuits, reset circuit, load output control circuit and the rectification filtering power circuit that can control according to the temperature curve of cake steaming, above-mentioned each functional circuit is connected with function corresponding interface on the single-chip microcomputer; Described temperature sensing circuit comprises two temperature sensors, is individually fixed in electric cooker top and bottom.
The utility model also comprises auditory tone cues electric circuit and display circuit, and described auditory tone cues electric circuit is connected with function corresponding interface on the single-chip microcomputer with display circuit.
By detecting electric cooker top and bottom sensor temperature, according to the temperature curve of cake steaming, control the watt level of adjusting electric cooker by single-chip microcomputer, guarantee that the cake that is steamed is soft good to eat; The utility model does not increase the cost of existing electric cooker, can realize easily making a cake a tractor serves several purposes in the family.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of the utility model specific embodiment.
Embodiment
As shown in Figure 1, the main hardware of the utility model partly comprises single-chip microcomputer, temperature sensing circuit, button inputting circuits, auditory tone cues electric circuit, display circuit, output heating power and the rectification filtering power circuit that can control according to the temperature curve of cake steaming.
Above-mentioned each circuit is divided on two wiring boards, and first is power panel, and second is control panel, they is connected with the winding displacement cable with combination hub.Button inputting circuits, display circuit are arranged on the control panel.Main responsible user interface such as button, demonstration; On the power panel mainly is the output heating power, rectification filtering power circuit and single-chip microcomputer, temperature sensing circuit, auditory tone cues electric circuit.
As shown in Figure 2, button inputting circuits mainly is formed by connecting by resistance R 34, resistance R 17～R23, diode D6～D12, switch S 1～S3, button S4～S7, capacitor C 11 and trigger IC5.2,8 pin of trigger IC5 (being A1, A2 lead-in wire) connect 20,19 pin (being A1, A2 lead-in wire) of single-chip microcomputer IC1 respectively; Lead-in wire A5 connects 5 pin of single-chip microcomputer IC1.
It is the chip of LG1204A that single-chip microcomputer adopts model, and display circuit is the pilot lamp that is connected on the single-chip microcomputer.
Temperature sensing circuit, mainly by resistance R 14, R15, capacitor C 11～C12, temperature sensor TOP-SEN and BOM-SEN form.Wherein the input lead of top and bottom sensor connects 4,3 pin of single-chip microcomputer IC1 respectively.
Auditory tone cues electric circuit is mainly by resistance R 12, and triode Q7 and hummer BUZ form.Wherein the input lead B1 of auditory tone cues electric circuit connects 7 pin of single-chip microcomputer IC1.
As shown in Figure 3, rectification filtering power circuit is mainly by protective tube FUSE, cement resistor R*, capacitor C 3, resistance R 35, voltage dependent resistor (VDR) ZNR, diode D1, capacitor C 9, and C13, stabilivolt ZD1, ZD2 and regulator block 79L05 form.By AC_L and AC_N termination alternating current 220V, regulator block 2 pin meet direct current 12V, 3 pin ground connection, and regulator block 1 pin is the output of 5V direct current.The direct current 5V of voltage stabilizing chip supply auditory tone cues electric circuit and for the circuit use of other parts.
Reset circuit is by triode Q8, resistance R 38, R39, R40, and Leaded Ceramic Disc Capacitor C15, stabilivolt Z2 form.
Output control circuit is mainly by capacitor C 17, resistance R 9, R24, triode Q5, Q6, and diode D7, relay HEAT, controllable silicon T1 forms.Connection lead-in wire A5 and B0 connect 2 pin and 6 pin in the single-chip microcomputer respectively, and the load of relay HEAT control is main heating (620W or 1000W), thermal insulation thread 48W during controllable silicon T1 controls.
Control flow is as follows: after powering on, at first, initialization MCU has judged whether power-failure memory, does not have power-failure memory, and the computer controller self check enters holding state, enters master routine again; There is power-failure memory just to continue to carry out the cooking status of memory, enters master routine again.In master routine: at first, judged whether sensor fault, have and just change error handling processing over to, non-fault just reads key assignments, carries out key assignments and handles, and begins corresponding cooking process according to zone bit then, if have by the cake steaming key then enter the cake steaming handling procedure, carry out pre-service earlier, pause a few minutes, the last keeping warm mode that arrives of interrupted again heating.If not by the cake steaming key then the processing that enters other cooking process.At first prompt tone is handled in the interrupt routine, button and demonstration are handled, AD changes.At last, in these processes, the AD value of the real-time monitoring sensor of control program satisfies protective condition, and the perfect protection to the computer controller controller in time is provided.
Claims (2)
1, a kind of electric cooker controller with the cake steaming function, it is characterized in that: comprise single-chip microcomputer, temperature sensing circuit, button inputting circuits, reset circuit, load output control circuit and the rectification filtering power circuit that can control according to the temperature curve of cake steaming, above-mentioned each functional circuit is connected with function corresponding interface on the single-chip microcomputer; Described temperature sensing circuit comprises two temperature sensors, is individually fixed in electric cooker top and bottom.
2, the electric cooker controller of band cake steaming function according to claim 1 is characterized in that: also comprise auditory tone cues electric circuit and display circuit, described auditory tone cues electric circuit is connected with function corresponding interface on the single-chip microcomputer with display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420088578 CN2734081Y (en) | 2004-09-24 | 2004-09-24 | Controller of electric rice cooker with cake steaming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420088578 CN2734081Y (en) | 2004-09-24 | 2004-09-24 | Controller of electric rice cooker with cake steaming function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2734081Y true CN2734081Y (en) | 2005-10-19 |
Family
ID=35263965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420088578 Expired - Fee Related CN2734081Y (en) | 2004-09-24 | 2004-09-24 | Controller of electric rice cooker with cake steaming function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2734081Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683980A (en) * | 2013-12-17 | 2014-03-26 | 广东瑞德智能科技股份有限公司 | Electric cooker control circuit with simplified direct-current power supply structure |
| CN112040822A (en) * | 2018-04-19 | 2020-12-04 | 狮子辉政 | Popcorn production device |
-
2004
- 2004-09-24 CN CN 200420088578 patent/CN2734081Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683980A (en) * | 2013-12-17 | 2014-03-26 | 广东瑞德智能科技股份有限公司 | Electric cooker control circuit with simplified direct-current power supply structure |
| CN103683980B (en) * | 2013-12-17 | 2019-04-26 | 广东瑞德智能科技股份有限公司 | A kind of control circuit of electric rice cooker of simplified direct current supply structure |
| CN112040822A (en) * | 2018-04-19 | 2020-12-04 | 狮子辉政 | Popcorn production device |
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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 |