CN201005501Y - Power-saving device of the electric cooker - Google Patents
Power-saving device of the electric cooker Download PDFInfo
- Publication number
- CN201005501Y CN201005501Y CNU2007201072233U CN200720107223U CN201005501Y CN 201005501 Y CN201005501 Y CN 201005501Y CN U2007201072233 U CNU2007201072233 U CN U2007201072233U CN 200720107223 U CN200720107223 U CN 200720107223U CN 201005501 Y CN201005501 Y CN 201005501Y
- Authority
- CN
- China
- Prior art keywords
- resistance
- circuit
- output
- operational amplifier
- power
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an electricity-saving device of electric cooker, most of the conventional electric cookers have the shortcomings such as the electric-energy-wasting and the like. The utility model comprises a shell body, wherein a major loop circuit, a direct current stabilized voltage supply circuit, a temperature measurement circuit, a time delay circuit and a driving and converting circuit which are able to adjust the fire voltage are disposed in the shell body, the utility model collects the temperature of the air-outlet holes of the electric cooker via a heat meter, thereby converting to the direct current level which changes with the temperature changes via thermometry circuit. In the time of heating porridge, the high level output by the thermometry circuit drives the major loop circuit thereby keeping a relative lower pressure output of the major loop circuit and proper temperature for frying inside the pad, in the time of making lunch, the high level output by the thermometry circuit triggers the time delay circuit, the major loop circuit is capable of cutting off the electricity for a certain time via the drive-converted circuit, when the time delay is arrived, the major loop circuit recovers the power-supply, thereby achieving the purpose of energy-saving.
Description
Technical field
The utility model belongs to household electrical appliance control field, particularly relates to a kind of battery saving arrangement of electric cooker.
Background technology
There are some general problems in the most existing electric cooker: can only dryout meal, can not burn gruel or other need the food of smoldering, as pig's feet etc. (some is marking the electric cooker that can burn gruel, and actual is only to have added a diode in inside, and pressing when burning gruel as usual with half, meeting waterfall comes out); When dryouting meal, boiled just burn tripping operation, the solution thin rice gruel water in the electric cooker is also always at waterfall always, and nearly five minutes of this process had both been wasted electric energy, caused soup disorderly to overflow again easily, and was very unhygienic.Some high-grade electric cooker can be avoided these problems, but function setting program trouble, and the price comparison height, how general family does not use.
Summary of the invention
The purpose of this utility model is exactly at the deficiencies in the prior art, and the device of a kind of electric cooker economize on electricity and cleaning is provided.
The utility model comprises housing, and main loop circuit, DC-stabilized circuit, temperature measurement circuit, delay circuit and the driving change-over circuit that can regulate firepower voltage is set in the housing;
Main loop circuit comprises voltage accessory power outlet CZ, the two ends of voltage accessory power outlet CZ are connected with AC power L end with the anode of bidirectional triode thyristor T respectively, the negative electrode of bidirectional triode thyristor T is connected with AC power N end, and the control utmost point of bidirectional triode thyristor T is connected with the end of bidirectional trigger diode DB; The other end of bidirectional trigger diode DB is connected with pulse shaping resistance R 9 with the end of pulse electric capacity C4; The other end of pulse electric capacity C4 is connected with AC power N end with the negative electrode of bidirectional triode thyristor T; The other end of pulse shaping resistance R 9 is connected with the normally-closed contact of relay J;
DC-stabilized circuit comprises that step-down current limiting capacitance C5 in parallel and electric charge discharge resistance R 8, end after the parallel connection is connected with AC power L end, the other end is connected with the input of rectifier bridge heap Q, another input of rectifier bridge heap Q is connected with AC power N end with the negative electrode of bidirectional triode thyristor T, the output head grounding of rectifier bridge heap Q, another output is connected with the positive pole of filter capacitor C3 and the negative pole of Zener diode 2CW respectively, the negative pole of filter capacitor C3, the positive pole of Zener diode 2CW, the minus earth of filter capacitor C2, the input of integrated regulator IC2 is connected with the negative pole of Zener diode 2CW, output is connected with the positive pole of filter capacitor C2;
Temperature measurement circuit comprises operational amplifier Y1, and the positive input terminal of operational amplifier Y1 is connected with the center-side that temperature is provided with resistance W1 with the end of thermistor Rt0, and negative input end is connected with the end of last divider resistance R1 and the end of following divider resistance R2; The end that temperature is provided with resistance W1 is connected other end ground connection with the end of thermistor Rt0; The other end of the other end of thermistor Rt0 and last divider resistance R1 is connected with the output of integrated regulator IC2; The other end ground connection of following divider resistance R2;
Delay circuit comprises operational amplifier Y2, the positive input terminal of operational amplifier Y2 is connected with the negative pole of time-delay charging capacitor C1, the end of time-delay discharge resistance R3, the end of positive voltage feedback resistance R6, and negative input end is connected with the end of last divider resistance R4 and the end of following divider resistance R5; The other end of last divider resistance R4 is connected with the output of integrated regulator IC2, the other end ground connection of following divider resistance R5, and the positive pole of time-delay charging capacitor C1 is connected with the output of operational amplifier Y1; The other end of voltage positive feedback resistance R 6 is connected with the output of operational amplifier Y2 by change-over switch K1-2;
Drive change-over circuit and comprise transistor BG, the base stage of transistor BG is connected with the end of current-limiting resistance R7, and colelctor electrode is connected grounded emitter with an end of relay J and the positive pole of diode D1; The negative pole of the other end of relay J and diode D1 is connected with the input of integrated regulator IC2; The other end of current-limiting resistance R7 is connected with the output of operational amplifier Y2; The normally opened contact of relay J is connected with the end of AC voltage adjusting resistance W2, normally-closed contact and pulse shaping resistance R 9 be connected, central contact is connected with the anode of bidirectional triode thyristor T; The other end of AC voltage adjusting resistance W2 is connected with pulse electric capacity C4, pulse shaping resistance R 9 and bidirectional trigger diode DB by change-over switch K1-1; Change-over switch K1-1 and change-over switch K1-2 interlock.
Employed all devices of integrated regulator IC2 that comprise of the utility model all use existing product, can obtain by modes such as purchases.
The temperature that the utility model is gathered the electric cooker venthole by temperature sensor (thermistor Rt0) converts temperature variant DC level to by temperature measurement circuit.By temperature the height that resistance W1 is provided with level threshold is set in the temperature measurement circuit, the venthole temperature arrives when being provided with, temperature measurement circuit output high level.As when burning gruel, the high level of temperature measurement circuit output directly drives main loop circuit, makes main loop circuit keep lower output voltage, makes to keep the temperature that is fit to smoulder in the pot; As when dryouting meal, the high level of temperature measurement circuit output triggers delay circuit, by driving change-over circuit main loop circuit is stopped power supply a period of time, and after delay time arrived, main loop circuit restored electricity, and up to making the meal ready, has realized purpose of energy saving.
Description of drawings
Fig. 1 is a circuit diagram of the present utility model.
The specific embodiment
Power Saving Device of Rice Cookers comprises housing, and main loop circuit, DC-stabilized circuit, temperature measurement circuit, delay circuit and the driving change-over circuit that can regulate firepower voltage is set in the housing.
As shown in Figure 1, main loop circuit comprises voltage accessory power outlet CZ, the two ends of voltage accessory power outlet CZ are connected with AC power L end with the anode of bidirectional triode thyristor T respectively, the negative electrode of bidirectional triode thyristor T is connected with AC power N end, and the control utmost point of bidirectional triode thyristor T is connected with the end of bidirectional trigger diode DB.The other end of bidirectional trigger diode DB is connected with pulse shaping resistance R 9 with the end of pulse electric capacity C4.The other end of pulse electric capacity C4 is connected with AC power N end with the negative electrode of bidirectional triode thyristor T.The other end of pulse shaping resistance R 9 is connected with the normally-closed contact of relay J.
DC-stabilized circuit comprises that step-down current limiting capacitance C5 in parallel and electric charge discharge resistance R 8, end after the parallel connection is connected with AC power L end, the other end is connected with the input of rectifier bridge heap Q, another input of rectifier bridge heap Q is connected with AC power N end with the negative electrode of bidirectional triode thyristor T, the output head grounding of rectifier bridge heap Q, another output is connected with the positive pole of filter capacitor C3 and the negative pole of Zener diode 2CW respectively, the negative pole of filter capacitor C3, the positive pole of Zener diode 2CW, the minus earth of filter capacitor C2, the input of integrated regulator IC2 is connected with the negative pole of Zener diode 2CW, output is connected with the positive pole of filter capacitor C2.
Temperature measurement circuit comprises operational amplifier Y1, and the positive input terminal of operational amplifier Y1 is connected with the center-side that temperature is provided with resistance W1 with the end of thermistor Rt0, and negative input end is connected with the end of last divider resistance R1 and the end of following divider resistance R2.The end that temperature is provided with resistance W1 is connected other end ground connection with the end of thermistor Rt0.The other end of the other end of thermistor Rt0 and last divider resistance R1 is connected with the output of integrated regulator IC2.The other end ground connection of following divider resistance R2.
Delay circuit comprises operational amplifier Y2, the positive input terminal of operational amplifier Y2 is connected with the negative pole of time-delay charging capacitor C1, the end of time-delay discharge resistance R3, the end of positive voltage feedback resistance R6, and negative input end is connected with the end of last divider resistance R4 and the end of following divider resistance R5; The other end of last divider resistance R4 is connected with the output of integrated regulator IC2, the other end ground connection of following divider resistance R5, and the positive pole of time-delay charging capacitor C1 is connected with the output of operational amplifier Y1.The other end of voltage positive feedback resistance R 6 is connected with the output of operational amplifier Y2 by change-over switch K1-2.
Drive change-over circuit and comprise transistor BG, the base stage of transistor BG is connected with the end of current-limiting resistance R7, and colelctor electrode is connected grounded emitter with an end of relay J and the positive pole of diode D1; The negative pole of the other end of relay J and diode D1 is connected with the input of integrated regulator IC2.The other end of current-limiting resistance R7 is connected with the output of operational amplifier Y2; The normally opened contact of relay J is connected with the end of AC voltage adjusting resistance W2, normally-closed contact and pulse shaping resistance R 9 be connected, central contact is connected with the anode of bidirectional triode thyristor T.The other end of AC voltage adjusting resistance W2 is connected with pulse electric capacity C4, pulse shaping resistance R 9 and bidirectional trigger diode DB by change-over switch K1-1.Change-over switch K1-1 and change-over switch K1-2 interlock.
The course of work of the utility model " Power Saving Device of Rice Cookers ":
The power connection electric cooker is connected in the CZ jack, the temperature sensor of being made up of thermistor Rt0 is inserted in the venthole of electric cooker, the relay J of this moment does not have adhesive, the 220V AC power forms pulse voltage by charging resistor R9 and pulse electric capacity C4, because the resistance value of pulse shaping resistance R 9 is very little, it is very high to form pulse repetition frequency, make the complete conducting of bidirectional triode thyristor T by bidirectional trigger diode DB, be that full voltage 220V voltage is added on electric cooker, hot plate for normal big fire this moment.
1) when dryouting meal, when temperature reaches the value (about 100 ℃) of setting, temperature measurement circuit operational amplifier Y1 exports high level, at this moment, change-over switch K1-1 and change-over switch K1-2 disconnect, the high level process time-delay charging capacitor C1 and the time-delay discharge resistance R3 of operational amplifier Y1 output forms 5 minutes delay circuits when dryouting meal, make the positive input terminal of operational amplifier Y2 keep 5 minutes high level, thereby make the output of operational amplifier Y2 keep 5 minutes high level, in 5 minutes high level of this maintenance, the base stage of triode BG also is a high level, and triode BG is in conducting state, the relay J adhesive, the normally-closed contact of relay J disconnects, cut off the path of pulse shaping resistance R 9, bidirectional trigger diode DB and bidirectional triode thyristor T are ended, just stopped powering about 5 minutes to electric cooker.
2) when burning gruel, when temperature reaches the value (about 100 ℃) of setting, temperature measurement circuit operational amplifier Y1 exports high level, at this moment, change-over switch K1 and change-over switch K2 connect, the high level of operational amplifier Y1 output makes the positive input terminal of operational amplifier Y2 always be high level through capacitor C 1 (not being the time-delay charge function) here, because change-over switch K1 connects the access that voltage positive feedback resistance R 6 is arranged, thereby the output that makes operational amplifier Y2 also is a high level always, the base stage of triode BG also is a high level, triode BG is in conducting state, the relay J adhesive, the normally-closed contact of relay J disconnects, the path that has cut off pulse shaping resistance R 9, but the normally opened contact of relay J is connected, because change-over switch K2 and change-over switch K1 connect simultaneously, firepower voltage-regulation resistance W2 also connects, and makes bidirectional trigger diode DB constantly conducting under very low frequency, the angle of flow of bidirectional triode thyristor T is very little, and promptly output voltage is very low.
Claims (1)
1. Power Saving Device of Rice Cookers comprises housing, it is characterized in that being provided with in the housing main loop circuit, DC-stabilized circuit, temperature measurement circuit, delay circuit and the driving change-over circuit that can regulate firepower voltage;
Main loop circuit comprises voltage accessory power outlet (CZ), the two ends of voltage accessory power outlet (CZ) are connected with AC power L end with the anode of bidirectional triode thyristor (T) respectively, the negative electrode of bidirectional triode thyristor (T) is connected with AC power N end, and the control utmost point of bidirectional triode thyristor (T) is connected with an end of bidirectional trigger diode (DB); The other end of bidirectional trigger diode (DB) is connected with pulse shaping resistance (R9) with an end of pulse electric capacity (C4); The other end of pulse electric capacity (C4) is connected with AC power N end with the negative electrode of bidirectional triode thyristor (T); The other end of pulse shaping resistance (R9) is connected with the normally-closed contact of relay (J);
DC-stabilized circuit comprises that step-down current limiting capacitance (C5) in parallel and electric charge discharge resistance (R8), end after the parallel connection is connected with AC power L end, the other end is connected with an input of rectifier bridge heap (Q), another input of rectifier bridge heap (Q) is connected with AC power N end with the negative electrode of bidirectional triode thyristor (T), an output head grounding of rectifier bridge heap (Q), another output is connected with the positive pole of filter capacitor (C3) and the negative pole of Zener diode (2CW) respectively, the negative pole of filter capacitor (C3), the positive pole of Zener diode (2CW), the minus earth of filter capacitor (C2), the input of integrated regulator (IC2) is connected with the negative pole of Zener diode (2CW), output is connected with the positive pole of filter capacitor (C2);
Temperature measurement circuit comprises operational amplifier (Y1), the positive input terminal of operational amplifier (Y1) is connected with the center-side that temperature is provided with resistance (W1) with an end of thermistor (RtO), and negative input end is connected with an end of last divider resistance (R1) and an end of following divider resistance (R2); The end that temperature is provided with resistance (W1) is connected other end ground connection with an end of thermistor (RtO); The other end of the other end of thermistor (RtO) and last divider resistance (R1) is connected with the output of integrated regulator (IC2); The other end ground connection of following divider resistance (R2);
Delay circuit comprises operational amplifier (Y2), the positive input terminal of operational amplifier (Y2) is connected with the negative pole of time-delay charging capacitor (C1), an end of time-delay discharge resistance (R3), an end of positive voltage feedback resistance (R6), and negative input end is connected with an end of last divider resistance (R4) and an end of following divider resistance (R5); The other end of last divider resistance (R4) is connected with the output of integrated regulator (IC2), the other end ground connection of following divider resistance (R5), and the positive pole of time-delay charging capacitor (C1) is connected with the output of operational amplifier (Y1); The other end of voltage positive feedback resistance (R6) is connected with the output of operational amplifier (Y2) by change-over switch (K1-2);
Drive change-over circuit and comprise transistor (BG), the base stage of transistor (BG) is connected with an end of current-limiting resistance (R7), and colelctor electrode is connected grounded emitter with an end of relay (J) and the positive pole of diode (D1); The negative pole of the other end of relay (J) and diode (D1) is connected with the input of integrated regulator (IC2); The other end of current-limiting resistance (R7) is connected with the output of operational amplifier (Y2); The normally opened contact of relay (J) is connected with an end of AC voltage adjusting resistance (W2), normally-closed contact and pulse shaping resistance (R9) be connected, central contact is connected with the anode of bidirectional triode thyristor (T); The other end of AC voltage adjusting resistance (W2) is connected with pulse electric capacity (C4), pulse shaping resistance (R9) and bidirectional trigger diode (DB) by change-over switch (K1-1); Change-over switch (K1-1) and change-over switch (K1-2) interlock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201072233U CN201005501Y (en) | 2007-03-13 | 2007-03-13 | Power-saving device of the electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201072233U CN201005501Y (en) | 2007-03-13 | 2007-03-13 | Power-saving device of the electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201005501Y true CN201005501Y (en) | 2008-01-16 |
Family
ID=39001433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201072233U Expired - Fee Related CN201005501Y (en) | 2007-03-13 | 2007-03-13 | Power-saving device of the electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201005501Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035098A (en) * | 2010-10-31 | 2011-04-27 | 华南理工大学 | Photoelectric protective safety socket and photoelectric protective method thereof |
| CN103405161A (en) * | 2012-09-05 | 2013-11-27 | 浙江苏泊尔家电制造有限公司 | Electric cooking appliance and heating control method thereof |
| CN103417109A (en) * | 2012-05-22 | 2013-12-04 | 成都酷玩网络科技有限公司 | Efficient energy-saving electric kettle |
| CN108903592A (en) * | 2018-07-17 | 2018-11-30 | 芜湖职业技术学院 | Electric cooker |
| CN114300895A (en) * | 2021-12-06 | 2022-04-08 | 六安市同心畅能电子科技有限公司 | Energy-saving electric cooker wall socket circuit |
-
2007
- 2007-03-13 CN CNU2007201072233U patent/CN201005501Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035098A (en) * | 2010-10-31 | 2011-04-27 | 华南理工大学 | Photoelectric protective safety socket and photoelectric protective method thereof |
| CN103417109A (en) * | 2012-05-22 | 2013-12-04 | 成都酷玩网络科技有限公司 | Efficient energy-saving electric kettle |
| CN103417109B (en) * | 2012-05-22 | 2015-10-28 | 广东华博企业管理咨询有限公司 | Energy-efficient electric kettle |
| CN103405161A (en) * | 2012-09-05 | 2013-11-27 | 浙江苏泊尔家电制造有限公司 | Electric cooking appliance and heating control method thereof |
| CN103405161B (en) * | 2012-09-05 | 2017-11-10 | 浙江苏泊尔家电制造有限公司 | Electric cooking appliance and its method for heating and controlling |
| CN108903592A (en) * | 2018-07-17 | 2018-11-30 | 芜湖职业技术学院 | Electric cooker |
| CN114300895A (en) * | 2021-12-06 | 2022-04-08 | 六安市同心畅能电子科技有限公司 | Energy-saving electric cooker wall socket circuit |
| CN114300895B (en) * | 2021-12-06 | 2023-11-17 | 六安市同心畅能电子科技有限公司 | Wall socket circuit of energy-saving electric cooker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201005501Y (en) | Power-saving device of the electric cooker | |
| CN201122833Y (en) | Micro-controlled electricity-saving protection device | |
| CN101388506B (en) | Electric rice cooker socket intelligently connecting or disconnecting | |
| CN100449430C (en) | Electricity-saving circuit of rice cooker | |
| CN205563313U (en) | Thermistor automatic control temperature control circuit based on 555 timer | |
| CN103135630A (en) | Control circuit of heating and drying device indoor, towel rack and electric blanket thereof | |
| CN203178830U (en) | Control circuit of indoor warming and drying device, and controlled towel rack and heating blanket | |
| CN209121865U (en) | A kind of Split electric heating cooker | |
| CN204858160U (en) | A low -cost smart jack for domestic appliance | |
| CN201536195U (en) | Energy-saving socket for home appliances in standby state | |
| CN202973352U (en) | Heating wire breaking protection controller of household flexile heater | |
| CN201657346U (en) | Wide voltage control circuit of electric heating device | |
| CN2181876Y (en) | Energy-saving, multi-purpose electronic cooker | |
| CN202423739U (en) | Multifunctional energy-saving socket | |
| CN201271144Y (en) | Intelligent electricity-saving drinking machine | |
| CN209880982U (en) | Novel socket special for household water dispenser | |
| CN205018855U (en) | Automatic power saving device is used to water dispenser | |
| CN204483821U (en) | Based on the fully-automatic intelligent electric cooker of Internet of Things | |
| CN2158583Y (en) | Automatic delay and timing socket | |
| CN202908504U (en) | Pressure sensing energy-saving control circuit device of electric pressure cooker | |
| CN219204370U (en) | Control circuit of small household appliance | |
| CN213873236U (en) | Household electric water heater integrated with intelligent controller | |
| CN202371817U (en) | Intelligent control circuit for novel household electric radiator | |
| CN213780715U (en) | Anti-dry-burning stove circuit for small moving pot fire | |
| CN206805238U (en) | A kind of control circuit of warmer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20110313 |