CN202362685U - Automatic anti-overflowing power-saving control device and electric cooker/pot using same - Google Patents
Automatic anti-overflowing power-saving control device and electric cooker/pot using same Download PDFInfo
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- CN202362685U CN202362685U CN201120473530XU CN201120473530U CN202362685U CN 202362685 U CN202362685 U CN 202362685U CN 201120473530X U CN201120473530X U CN 201120473530XU CN 201120473530 U CN201120473530 U CN 201120473530U CN 202362685 U CN202362685 U CN 202362685U
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- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims abstract 2
- 230000002457 bidirectional effect Effects 0.000 claims description 17
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 14
- 239000003990 capacitor Substances 0.000 claims description 11
- 238000010411 cooking Methods 0.000 abstract description 7
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000009835 boiling Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 235000012054 meals Nutrition 0.000 description 6
- 230000036528 appetite Effects 0.000 description 5
- 235000019789 appetite Nutrition 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
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- 238000007600 charging Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229940074869 marquis Drugs 0.000 description 1
- VBUNOIXRZNJNAD-UHFFFAOYSA-N ponazuril Chemical compound CC1=CC(N2C(N(C)C(=O)NC2=O)=O)=CC=C1OC1=CC=C(S(=O)(=O)C(F)(F)F)C=C1 VBUNOIXRZNJNAD-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides an automatic anti-overflowing power-saving control device and an electric cooker/pot using the automatic anti-overflowing power-saving control device. A work voltage is supplied by an isolation type direct-current stable voltage power supply; a cooking state is monitored by using a temperature sensor through a control signal generating circuit and information obtained by the temperature sensor is converted into switching-off and switching-on instruction signals of a heating disc power supply to be transmitted to a power output circuit; the power output circuit switches off or switches on the heating disc power supply according to instructions sent by the control signal generating circuit so as to realize the paused heating and secondary heating of the electric cooker/pot. According to the automatic anti-overflowing power-saving control device and the electric cooker/pot using the automatic anti-overflowing power-saving control device, a temperature interval structure is designed in the control signal generating circuit, a sensor mounting position is suitably arranged and common controllable silicon can be controlled by using a photoconductive resistance type photoelectric coupler, so that the energy source use efficiency of the electric cooker is improved, liquid is prevented from being overflowed and the cooking quality is improved; meanwhile, the control signal generating circuit has the advantages of small power consumption, low cost, small space occupied by the whole installation, easiness in realizing modularization, miniaturization and ultrathin performance, and electric shock resistance.
Description
Technical field
The utility model relates to electric cooker/pot field, particularly a kind of automatic anti-overflow electricity-saving control device and adopt electric cooker/pot of this device.
Background technology
Existing electric cooker (pot) process of cooking is: Mi Shui is put into pot; The Curie temperature switch is pressed energized, and the heating of electric cooker heating plate begins the heating of pot body is also continued heating with same power when being heated to boiling; If cooking cooked rice is heated to liquid and receive does; Surpass 100 degrees centigrade until cooking bottom temperature and reach Curie point, at this moment the permanent magnet in Curie's switch loses magnetism, the switch disconnection that automatically resets.If cook congee, heating process will be sustained.Therefore prior art has following deficiency: the pot phenomenon of overflowing often takes place in the process of 1) cooking, not only influence the quality and the mouthfeel of meal, also be unfavorable for keeping the living environment cleaning.2) in fact boil the back power that heats as long as the assurance temperature of boiler just is enough to guarantee the quality of meal near 100 degrees centigrade.Continuation is a waste of electric energy with the continuous heating kettle body of identical power.3) keep the marquis by pot for anti-Spill stopping pan needs the people, when taking place to overflow the pot phenomenon, in time open pot cover, avoid continuing the pot that overflows.Wasted manpower.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art; Electric cooker/pot that the purpose of the utility model is that automatic anti-overflow electricity-saving control device is provided and adopts this device; Can reach boils pot phenomenon of overflowing can't occur, and guarantees the quality of meal, has characteristics such as anti-overflow pot, economize on electricity; And simple in structure, device is selected for use rationally.
To achieve these goals, the technical scheme of the utility model employing is:
The automatic anti-overflow power-saving control method of a kind of electric cooker/pot, this electric cooker/pot comprises pot body and pot cover, and the side of pot cover, end face or top surface side face connecting part are provided with gas orifice, and the bottom of pot body is provided with heating plate, may further comprise the steps:
Step 1 is provided with temperature sensor in the gas orifice position of electric cooker/pot, in order to measure the temperature at gas orifice place;
Step 2, send instruction by control signal generation circuit according to the temperature corresponding signal of measuring:
If the temperature of measuring is then sent the instruction that electric cooker/pot is stopped to heat greater than preset maximal value, the disconnection civil power is connected with heating plate, the minimum temperature value that equals to preset until temperature;
If the temperature of measuring is then sent the instruction that electric cooker/pot is begun to heat less than preset minimum value, the connection civil power is connected with heating plate, the maximum temperature values that equals to preset until temperature;
The circulation of repeating step two, until the people for cutting off the electricity supply.
Wherein, Said temperature sensor is the inner can that thermistor is installed; Said control signal generation circuit is based on the NE555 time base circuit, and temperature sensor is arranged on 1~15 centimetre of position, gas orifice the place ahead of electric cooker/pot, selects different distances according to the diverse location of gas orifice.
The utility model provides a kind of device based on said control method, comprising:
Isolated DC stabilized voltage supply 1 is for control signal generation circuit 2 provides WV;
Control signal generation circuit 2 is a core with the NE555 time base circuit, and 4,8 pin of NE555 are connected with the positive pole of said power supply 1, and 1 pin is connected with the negative pole of said power supply 1, and 5 pin are connected with said power supply 1 negative pole through first capacitor C 1, and 7 pin are unsettled; Thermistor Rt is installed in the can as sensor; RP is parallelly connected with potentiometer; Rt after the parallel connection, RP one end and said 1 anodal connection of power supply; The other end is connected with 6 pin of said NE555, is connected through first resistance R 1 between 6 pin of NE555 and 2 pin, and 2 pin of NE555 also are connected with said power supply 1 negative pole through second resistance R 2; The negative pole of the light emitting diode among 3 pin of NE555 and the photoresistance type photoelectrical coupler IC2 links to each other, and the light emitting diode among the said photoelectrical coupler IC2 is anodal to link to each other with said power supply 1 negative pole through the 3rd resistance R 3;
Power output circuit 3; With bidirectional triode thyristor VT1 is core; After connecting with bidirectional triode thyristor VT1, connects the heating plate of electric cooker/pot with civil power; Photoresistance among the said photoelectrical coupler IC2 be connected across between civil power two lines after second capacitor C 2 is connected, the control utmost point of bidirectional triode thyristor VT1 is connected on the line of photoresistance and capacitor C 2 through bidirectional trigger diode VD1.
Said control device is arranged on outside electric cooker/pot, is connected between the power lead and electric cooker/pot of electric cooker/pot, perhaps is arranged in electric cooker/pot, is connected between the heating plate of power lead and electric cooker/pot of electric cooker/pot.
A kind of electric cooker/pot of the utility model comprises attaching plug and heating plate, between its attaching plug and heating plate, is provided with described automatic anti-overflow electricity-saving control device.
The utility model advantage compared with prior art is:
1) full-automatic.Because the employing electronic circuit is gathered boiling automatically through sensor and has been cooled to information to a certain degree with pot, and can instruct to heating plate power supply and power failure, thereby after having guaranteed liquid boiling under the unserviced situation, can not overflow, and can guarantee the quality of meal.
2) anti-overflow pot.Gas orifice when boiling on the pot cover (window) can spray vapours to sensor, and control signal generation circuit instruction power output circuit is stopped the heating plate power supply, stops the heating of pot body, and therefore an excessive pot phenomenon can not take place.Thereby realized the function of anti-overflow pot.
3) economize on electricity.Owing to after the boiling,, except that the anti-overflow pot, also realized the function of economize on electricity simultaneously to the heating plate intermittent power supply.
4) low cost.The structure of the power output circuit that is adopted, thermosensitive resistance type photoelectronic coupler, bidirectional trigger diode, electric capacity, common bidirectional triode thyristor and to compare cost with light controllable silicon or ac solid relay low.
5) driving power output circuit electric current is little.With directly to utilize the DC driven bidirectional triode thyristor to compare drive current little.
6) little, in light weight, easy ultra-thinization of volume.Because drive current is little, therefore helps reducing the power of D.C. regulated power supply, thereby accomplish product design lightweight, ultra-thinization of volume Xiao Yi.
7) protection against electric shock.Because sensor and mains supply are in isolation, guaranteed that therefore human body can not get an electric shock through sensor.
Description of drawings
Accompanying drawing is the utility model electric cooker/automatic anti-overflow electricity-saving control device of pot circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is explained further details.
The utility model provides a kind of electric cooker/pot automatic anti-overflow power-saving control method; This electric cooker/pot comprises pot body and pot cover; The side of pot cover, end face or top surface side face connecting part are provided with gas orifice, and the bottom of pot body is provided with heating plate, may further comprise the steps:
Step 1 is provided with temperature sensor in the gas orifice position of electric cooker/pot, in order to measure the temperature at gas orifice place;
Step 2, send instruction by control signal generation circuit according to the temperature corresponding signal of measuring:
If the temperature of measuring is then sent the instruction that electric cooker/pot is stopped to heat greater than preset maximal value, break off being connected of civil power and heating plate, stop to heat the minimum temperature value that equals to preset until temperature;
If the temperature of measuring is then sent the instruction that electric cooker/pot is begun to heat less than preset minimum value, be communicated with being connected of civil power and heating plate, begin to heat the maximum temperature values that equals to preset until temperature;
The circulation of repeating step two, until the people for cutting off the electricity supply.
Wherein, Said temperature sensor is the inner can that thermistor is installed; Said control signal generation circuit is based on the NE555 time base circuit; Gas orifice is arranged on side, end face or the top surface side face connecting part of electric cooker/pot, and temperature sensor is arranged on 1~15 centimetre of position, gas orifice top of electric cooker/pot, selects different distances according to the diverse location of gas orifice.
As shown in Figure 1, the utility model provides a kind of device based on said control method, comprising:
Isolated DC stabilized voltage supply 1 for control signal generation circuit 2 and power output circuit 3 provide WV, is guaranteed the isolation of control signal generation circuit and utility grid simultaneously, to prevent that human body from passing through sensor and getting an electric shock.
Control signal generation circuit 2 is a core with the NE555 time base circuit, and 4,8 pin of NE555 are connected with the positive pole of said power supply 1, and 1 pin is connected with the negative pole of said power supply 1, and 5 pin are connected with said power supply 1 negative pole through first capacitor C 1, and 7 pin are unsettled; Thermistor Rt is installed in the can as sensor; RP is parallelly connected with potentiometer; Rt after the parallel connection, RP one end and 1 anodal connection of said power supply, the other end is connected with 6 pin of said NE555, is connected through first resistance R 1 between 6 pin of NE555 and 2 pin; 2 pin of NE555 also are connected with said power supply 1 negative pole through second resistance R 2; The negative pole of the light emitting diode among 3 pin of NE555 and the photoresistance type photoelectrical coupler IC2 links to each other, and the light emitting diode among the said photoelectrical coupler IC2 is anodal to link to each other with said power supply 1 negative pole through the 3rd resistance R 3, and A2, B2 are the terminals at thermistor Rt two ends among the figure;
The principle of work of control signal generation circuit 2 is following: thermistor Rt is installed in and is used as sensor in the can, and certain distance also and between the gas orifice is left in the dead ahead that is installed in the pot cover gas orifice.Rt is a negative tempperature coefficient thermistor; Be in high resistance state at normal temperatures; Electric cooker/pot energising begins to cook, and the gas orifice on the pot cover does not have the vapours ejection before not boiling; Even perhaps have vapours ejection intensity also a little less than weakened the heating efficiency of steam owing to leave certain distance between sensor and the gas orifice to sensor, the vapours deficiency of ejection is so that Rt reaches low resistive state before therefore boiling.Have only the vapours of ejection when boiling just can make Rt change low resistive state into by high-impedance state.The high-impedance state of Rt refers to 3 pin that make NE555 and keeps the resistance of high level interval always; The low resistive state of Rt refers to 3 pin that make NE555 and transfers low level resistance interval to by high level, when resistance continues to reduce up to making 3 pin interval by the resistance that low level transfers high level to.Can convert corresponding temperature range between the resistance state area.
The interval endpoint value of high-impedance state after the effect of parallelly connected RP on the Rt is the adjustment parallel connection.When cooking appetite not simultaneously with same pot; The pot such as
, different appetite thermal inertias is different.If high-impedance state interval endpoint value is constant, the pot meal non-overflow pan of doing
and do
pot causes the pot that overflows because the increase thermal inertia of appetite adds conference during meal.The pot phenomenon when just can avoiding having a good appetite, upper end, high-impedance state interval point value takes place to overflow if suitably turn down.
As A, when the B termination is led to mains supply, it is the direct current of V that the isolated DC stabilized voltage supply provides needed voltage to control signal generation circuit.This moment, Rt was in high-impedance state; The 2 pin voltages of NE555
thus 3 pin of NE555 output high level causes the lumination of light emitting diode among the photoelectronic coupler IC2.Electric cooker/stew to such an extent that electric heating plate begins heating.When being heated to when boiling; Vapours is ejected on the sensor through the gas orifice on the pot cover; The temperature of sensor is raise gradually; Thermistor changes low resistive state into by high-impedance state; This moment, 6 pin voltages
, 2 pin voltages
, the 3 pin saltus steps of NE555 were low level; Light emitting diode among the photoelectronic coupler IC2 extinguishes, and the heating plate dead electricity stops heating.Can continue a period of time because the effect of thermal inertia is boiled, and prolong with the increase of appetite duration of boiling.To stop at last boiling and cooling gradually.Sensor also stops to heat up and cooling gradually, and the Rt resistance increases gradually.When the Rt resistance is increased to the 2 pin voltages
that make NE555, will repeat said process.
Power output circuit 3; With bidirectional triode thyristor VT1 is core; After connecting with bidirectional triode thyristor VT1, connects the heating plate of electric cooker/pot with civil power; Photoresistance among the said photoelectrical coupler IC2 be connected across between civil power two lines after second capacitor C 2 is connected, the control utmost point of bidirectional triode thyristor VT1 is connected on the line of photoresistance and capacitor C 2 through bidirectional trigger diode VD1.
The principle of work of power output circuit 3 is following: the photoresistance light receiving area when the lumination of light emitting diode among the photoelectronic coupler IC2 among the IC2 is in low resistive state; To capacitor C 2 chargings; When voltage reaches the forward voltage of bidirectional trigger diode VD1; The VD1 conducting triggers controllable silicon VT1 conducting, makes heating plate energising heating.Photoresistance when the light emitting diode among the photoelectronic coupler IC2 is not luminous among the IC2 not light receiving area in high-impedance state; To capacitor C 2 chargings; Voltage does not reach the forward voltage of bidirectional trigger diode VD 1 in the half period of civil power; VD1 can conducting, can not trigger controllable silicon VT1 conducting, makes heating plate outage stopping heating.
Adopt electric cooker/pot of above-mentioned control device, can effectively prevent the Spill stopping pan phenomenon, and have the effect of economize on electricity.
Wherein said control device can be arranged on outside electric cooker/pot, is connected between the power lead and electric cooker/pot of electric cooker/pot, and the power supply of electric cooker/pot then connects between in the drawings A1, the B1.
Perhaps, said control device is arranged in electric cooker/pot, is connected between the heating plate of power lead and electric cooker/pot of electric cooker/pot, and the heating plate power supply connects between in the drawings A1, the B1.
Claims (5)
1. the automatic anti-overflow electricity-saving control device of electric cooker/pot is characterized in that, comprising:
Isolated DC stabilized voltage supply (1) is for control signal generation circuit (2) provides WV;
Control signal generation circuit (2) is a core with the NE555 time base circuit, and 4,8 pin of NE555 are connected with the positive pole of said power supply (1), and 1 pin is connected with the negative pole of said power supply (1), and 5 pin are connected with said power supply (1) negative pole through first capacitor C 1, and 7 pin are unsettled; Thermistor Rt is installed in the can as sensor; RP is parallelly connected with potentiometer; Rt after the parallel connection, RP one end and said power supply (1) positive pole are connected; The other end is connected with 6 pin of said NE555, is connected through first resistance R 1 between 6 pin of NE555 and 2 pin, and 2 pin of NE555 also are connected with said power supply (1) negative pole through second resistance R 2; The negative pole of the light emitting diode among 3 pin of NE555 and the photoresistance type photoelectrical coupler IC2 links to each other, and the light emitting diode among the said photoelectrical coupler IC2 is anodal to link to each other with said power supply (1) negative pole through the 3rd resistance R 3;
Power output circuit (3); With bidirectional triode thyristor VT1 is core; After connecting with bidirectional triode thyristor VT1, connects the heating plate of electric cooker/pot with civil power; Photoresistance among the said photoelectrical coupler IC2 be connected across between civil power two lines after second capacitor C 2 is connected, the control utmost point of bidirectional triode thyristor VT1 is connected on the line of photoresistance and capacitor C 2 through bidirectional trigger diode VD 1.
2. the automatic anti-overflow electricity-saving control device of electric cooker according to claim 1/pot is characterized in that, the can of said installation thermistor Rt is arranged on 1~15 centimetre of position, gas orifice top of electric cooker/pot.
3. the automatic anti-overflow electricity-saving control device of electric cooker according to claim 1/pot is characterized in that said control device is arranged on outside electric cooker/pot, is connected between the power lead and electric cooker/pot of electric cooker/pot.
4. the automatic anti-overflow electricity-saving control device of electric cooker according to claim 1/pot is characterized in that said control device is arranged in electric cooker/pot, is connected between the heating plate of power lead and electric cooker/pot of electric cooker/pot.
5. electric cooker/pot comprises attaching plug and heating plate, it is characterized in that, is provided with the described automatic anti-overflow electricity-saving control device of claim 1 between its attaching plug and the heating plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201120473530XU CN202362685U (en) | 2011-11-24 | 2011-11-24 | Automatic anti-overflowing power-saving control device and electric cooker/pot using same |
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CN201120473530XU CN202362685U (en) | 2011-11-24 | 2011-11-24 | Automatic anti-overflowing power-saving control device and electric cooker/pot using same |
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CN201120473530XU Expired - Fee Related CN202362685U (en) | 2011-11-24 | 2011-11-24 | Automatic anti-overflowing power-saving control device and electric cooker/pot using same |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102436277A (en) * | 2011-11-24 | 2012-05-02 | 清华大学 | Automatic anti-spill power-saving control method and device and electric cooker with device |
CN110618716A (en) * | 2018-06-19 | 2019-12-27 | 佛山市顺德区美的电热电器制造有限公司 | Overflow control method, heating equipment and computer readable storage medium |
-
2011
- 2011-11-24 CN CN201120473530XU patent/CN202362685U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102436277A (en) * | 2011-11-24 | 2012-05-02 | 清华大学 | Automatic anti-spill power-saving control method and device and electric cooker with device |
CN110618716A (en) * | 2018-06-19 | 2019-12-27 | 佛山市顺德区美的电热电器制造有限公司 | Overflow control method, heating equipment and computer readable storage medium |
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Granted publication date: 20120801 Termination date: 20171124 |
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CF01 | Termination of patent right due to non-payment of annual fee |