CN211380909U - Commercial power detection circuit for electric cooker - Google Patents
Commercial power detection circuit for electric cooker Download PDFInfo
- Publication number
- CN211380909U CN211380909U CN201921797484.1U CN201921797484U CN211380909U CN 211380909 U CN211380909 U CN 211380909U CN 201921797484 U CN201921797484 U CN 201921797484U CN 211380909 U CN211380909 U CN 211380909U
- Authority
- CN
- China
- Prior art keywords
- resistor
- resistance
- commercial power
- branch
- power detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cookers (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The utility model discloses a commercial power detection circuitry for electric rice cooker, including the ACL end that is used for being connected with the commercial power live wire, the other end of ACL end is connected with diode D201's one end, and diode D201's the other end is connected with resistance R201A, resistance R201B and resistance R201C that establish ties in proper order, the resistance R201C other end is connected with resistance R202 through first branch road, and the resistance R201C other end is connected with electric capacity C201 through the second branch road, resistance R202 and electric capacity C201's other end ground connection; and a third branch at the other end of the resistor R201C is set as a SWIM _ H end connected with the single chip microcomputer and used for inputting a control signal of the single chip microcomputer.
Description
Technical Field
The utility model relates to a domestic appliance circuit field, specifically speaking, in particular to a commercial power detection circuitry for electricity rice cooker.
Background
At present, electric cookers on the market do not have a mains supply voltage detection function, cannot identify the mains supply voltage, and have the problems that the effect of rice cooking is not as good as normal voltage due to insufficient or overhigh heating power at low voltage or high voltage, and the phenomena of undercooking and scorching occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a not enough among the prior art for electric rice cooker's commercial power detection circuitry to solve the problem that exists among the prior art.
The utility model provides a technical problem can adopt following technical scheme to realize:
a mains supply detection circuit for an electric cooker comprises an ACL end connected with a mains supply live wire, wherein the other end of the ACL end is connected with one end of a diode D201, the other end of the diode D201 is connected with a resistor R201A, a resistor R201B and a resistor R201C which are sequentially connected in series, the other end of the resistor R201C is connected with a resistor R202 through a first branch, the other end of the resistor R201C is connected with a capacitor C201 through a second branch, and the other ends of the resistor R202 and the capacitor C201 are grounded; and a third branch at the other end of the resistor R201C is set as a SWIM _ H end connected with the single chip microcomputer and used for inputting a control signal of the single chip microcomputer.
Compared with the prior art, the beneficial effects of the utility model reside in that:
when the mains supply is too low or too high, the electric heating device can identify through the circuit, and a user can adjust the heating ratio and the heating time according to the voltage, so that the optimal cooking effect of the rice is achieved.
Drawings
FIG. 1 is a schematic diagram of a commercial power detection circuit for an electric rice cooker.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1, the utility model discloses a commercial power detection circuit for electric rice cooker, including the ACL end that is used for being connected with the commercial power live wire, the other end of ACL end is connected with one end of diode D201, and the other end of diode D201 is connected with resistance R201A, resistance R201B and resistance R201C that establish ties in proper order, the other end of resistance R201C is connected with resistance R202 through the first branch road, and the other end of resistance R201C is connected with electric capacity C201 through the second branch road, resistance R202 and electric capacity C201's the other end ground connection; and a third branch at the other end of the resistor R201C is set as a SWIM _ H end connected with the single chip microcomputer and used for inputting a control signal of the single chip microcomputer.
The SWIM _ H end is connected with an input signal of the single chip microcomputer, the resistors R201A, R201B and R201C are connected in series and then are divided by the resistor R202, and the capacitor C201 plays a role in filtering.
The working principle of the utility model is as follows:
when the mains supply is too low or too high, the electric heating device can identify through the circuit, and a user can adjust the heating ratio and the heating time according to the voltage, so that the optimal cooking effect of the rice is achieved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a commercial power detection circuit for electric rice cooker which characterized in that: the LED driving circuit comprises an ACL end used for being connected with a live wire of a mains supply, the other end of the ACL end is connected with one end of a diode D201, the other end of the diode D201 is connected with a resistor R201A, a resistor R201B and a resistor R201C which are sequentially connected in series, the other end of the resistor R201C is connected with a resistor R202 through a first branch, the other end of the resistor R201C is connected with a capacitor C201 through a second branch, and the resistor R202 is grounded with the other end of the capacitor C201; and a third branch at the other end of the resistor R201C is set as a SWIM _ H end connected with the single chip microcomputer and used for inputting a control signal of the single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797484.1U CN211380909U (en) | 2019-10-24 | 2019-10-24 | Commercial power detection circuit for electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797484.1U CN211380909U (en) | 2019-10-24 | 2019-10-24 | Commercial power detection circuit for electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211380909U true CN211380909U (en) | 2020-09-01 |
Family
ID=72219987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921797484.1U Active CN211380909U (en) | 2019-10-24 | 2019-10-24 | Commercial power detection circuit for electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211380909U (en) |
-
2019
- 2019-10-24 CN CN201921797484.1U patent/CN211380909U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102846182A (en) | Electric cooker and heating control method thereof | |
| CN211380909U (en) | Commercial power detection circuit for electric cooker | |
| CN205483168U (en) | Water level detection circuit and electric rice cooker | |
| CN105807691B (en) | A kind of leak through type coffee machine control circuit and integrated MCU | |
| CN201299427Y (en) | Rice cooker control circuit | |
| CN101257280A (en) | Stepless speed regulating electric fan | |
| CN205094290U (en) | Light -operated hand drier of infrared ray | |
| CN210694387U (en) | Heating circuit and household appliance | |
| CN108670026A (en) | Kettle with prompting function | |
| CN210075604U (en) | Switch control circuit and foot tub | |
| CN209120505U (en) | heating circuit and induction cooker | |
| CN209404436U (en) | Pressure control circuit and cooking utensil | |
| CN105231941A (en) | Infrared light-operated hand drier | |
| CN208156530U (en) | A kind of control circuit for dry fruit function air fryer | |
| CN206180884U (en) | A circuit for brownout power | |
| CN204405142U (en) | For water level detection circuit and the cooking apparatus of cooking apparatus | |
| CN218037750U (en) | Electric heating cooker control circuit using relay to simulate output of silicon controlled rectifier | |
| CN216047879U (en) | Fire adjusting device of electric cooker | |
| CN117826690B (en) | Electrical protection circuit for household appliances | |
| CN212463524U (en) | Circuit of reversible multifunctional pot | |
| CN208856924U (en) | A kind of water bar filter core intelligent monitoring and controlling device | |
| CN210326998U (en) | Induction cooker protection circuit and induction cooker | |
| CN210007910U (en) | baking device control circuit | |
| CN204245985U (en) | A kind of multi-functional foam maker | |
| CN210573313U (en) | Voltage conversion circuit for mutual communication of single-chip microcomputers with different power supply voltages |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |