CN2574557Y - Handy dinner machine - Google Patents
Handy dinner machine Download PDFInfo
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- CN2574557Y CN2574557Y CN 02248669 CN02248669U CN2574557Y CN 2574557 Y CN2574557 Y CN 2574557Y CN 02248669 CN02248669 CN 02248669 CN 02248669 U CN02248669 U CN 02248669U CN 2574557 Y CN2574557 Y CN 2574557Y
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Abstract
The utility model discloses an electric heating teakettle with an automatic temperature control device with the function of cutting off electricity while water is boiled. The utility model comprises a kettle body, an electric heater, a steam discharge hole and a kettle base, wherein, the electric heater is installed in the kettle body, and the steam discharge hole is arranged on the upper part of the kettle body. The utility model is characterized in that the utility model is also provided with a steam temperature detection device and a control circuit, wherein, the steam temperature detection device is arranged on a position corresponding to the steam discharge hole, the control circuit is installed in the kettle base and comprises a control switch, and a steam signal detected by the steam temperature detection device is transmitted to the control circuit; after receiving the detection signal, the control circuit switches off the control switch connected in series with the heater. The utility model can avoid defects that electricity is cut off when water is not boiled, and the electricity can not be cut off when the water is boiled; at the same time, as the control circuit controls the work state of a heating pipe after the water is boiled, manual restoration is not needed, and the kettle body and the kettle base can be integrated and can also be separated; therefore, the device has reasonable structure and accurate temperature control, and is safe and practical.
Description
Technical field the utility model relates to a kind of electric heater, more specifically to a kind of electrical heating teapot that has water boiling outage automatic temp controller.
The water boiling temperature control technology of the existing electrical heating teapot of background technology has: one, a certain position of adopting the temperature threshold temperature-sensing element close with water boiling temperature value to be installed on the kettle body is directly detected water temperature or is detected kettle body temperature degree indirect detection water temperature, when detected temperature reaches the temperature threshold of temperature-sensing element, automatically cut off the electricity supply the purpose of outage control when reaching the water boiling temperature to be implemented in.This method is owing to the influence that has thermal resistance between the precision, temperature-sensing element and the water that are subjected to temperature-sensing element; Because the boiling temperature of water is subjected to factors vary such as impurity, atmospheric pressure in the water and changes, not a definite value again, so be difficult to realize the control of water fluidizing point.Easily cause water not seethe with excitement and cut off the power supply or water boiling and the defect that can't cut off the power supply.Two, be called the automatic control insulating pot as the disclosed name of Patent Office of the People's Republic of China, notification number is the utility model patent of CN2408796Y, this automatic control insulating pot has the boiling breaker device equally, it is characterized in that one steam guiding tube being housed in kettle body inside, steam guiding tube one end is positioned at the top of kettle body, the other end stretches on the exhaust passage on the housing, and is mounted with the boiling temperature switch on exhaust passage.Like this, when the water in the kettle seethed with excitement, steam affacted on the boiling temperature switch by steam guiding tube, when the temperature that detects steam when the boiling temperature switch reaches preset threshold and cut off the electricity supply, reached the control protection, but had complex structure, cost height.After the water boiling, temperature switch can be to boil water again after needing manual reset, can't realize temperature automatically controlledly, and kettle body and kettle seat must design as a wholely, can not separate.
Can cut off the power supply automatically when utility model content the purpose of this utility model provides the boiling of a kind of water and can transfer the electrical heating teapot that has water boiling outage automatic temp controller simple in structure, with low cost to by the control circuit automatic control state.
The utility model comprises kettle body, electric heater, steam exhaust-gas hole, kettle seat, electric heater is installed in the kettle body, above the kettle body, be provided with the steam exhaust hole, it is characterized in that: also be provided with vapor (steam) temperature checkout gear, control circuit, the vapor (steam) temperature checkout gear be located at the corresponding position of steam exhaust hole on, control circuit is installed in the kettle seat, control circuit includes gauge tap, the detected vapor signal of vapor (steam) temperature checkout gear is delivered to control circuit, and control circuit receives the gauge tap that will connect with heater behind the detection signal and disconnects.
Above-mentioned vapor (steam) temperature checkout gear can be designed to runback megadyne temperature degree switch, the gauge tap of runback megadyne temperature degree switch and electric heater, control circuit is in series, runback megadyne temperature degree switch cuts off the power supply when reaching its temperature threshold values under the effect of steam automatically, and power-off signal passes to control circuit.
For the cost that makes above-mentioned vapor (steam) temperature checkout gear is low, the temperature threshold values of above-mentioned runback megadyne temperature degree switch can be higher than normal temperature, be lower than value in the scope of minimum temperature broad of steam.
Above-mentioned runback megadyne temperature degree switch can be a mechanical switch.
Above-mentioned runback megadyne temperature degree switch can be an electronic switch.
In order to make control circuit design of the present utility model more reasonable, control circuit can be designed to comprise and detect power-off signal circuit, status display circuit, function circuit, central control circuit that detection power-off signal circuit, status display circuit, function circuit are connected with the central control circuit signal.
In order to make feature richness of the present utility model, above-mentioned control circuit can be designed to have the small-power insulation, temperature control, seethe with excitement again one or more work in combination states in three kinds of duties regularly, status display circuit, function circuit and central control circuit and three kinds of duties adapt, and correspondence is provided with corresponding console switch on the kettle seat.
The gauge tap of above-mentioned control circuit can be a relay.
The gauge tap of above-mentioned control circuit can be transistor or controllable silicon.
For easy to use, kettle body and kettle seat can be designed as split.
In the course of the work, after the gauge tap of connecting with runback megadyne temperature degree switch in the control circuit disconnects, with guarantee runback megadyne temperature degree switch reset after still no current by the electric heating part in the kettle body.Because the electric heating part no current is by stopping heating, the just very fast disappearance of steam, runback megadyne temperature degree switch is not having under the situation of steam, the very fast decline of temperature and resetting, after temperature switch resetted, the circuit in the kettle seat just entered the unskilled labourer automatically and leads insulation, temperature control or timing in the boiling program.
Because the control circuit in the kettle seat is arranged, the runback megadyne temperature degree switch here is in the temperature control process, only need the signal of water boiling is converted to of short duration power-off signal, and this signal offered control circuit, detection power-off signal electric circuit inspection in the control circuit just can realize temperature automatically controlled to this power-off signal.
The utility model since with the corresponding position of steam exhaust hole on be provided with the vapor (steam) temperature checkout gear, and detected signal is sent to control circuit, by control circuit the duty of heater is controlled, therefore can avoid water not seethe with excitement and cut off the power supply or water boiling and the defect that can't cut off the power supply, simultaneously owing to by control circuit the duty of heating tube is controlled after the water boiling, do not need hand-reset yet, the temperature threshold of runback megadyne temperature degree switch can be chosen at relative broad range, the temperature threshold required precision is not high, and cost is low; The temperature control signal only transmits by power circuit, have only two power lines to be connected between kettle body and the kettle seat, therefore promptly to can be an integral body also separable for kettle body and kettle seat, power line is not only powered but also transmit temperature signal, need not increase control circuit and just can realize temperature control, so this apparatus structure is reasonable, temperature control is accurate, and is safe and practical.
Description of drawings Fig. 1 is the utility model embodiment overall structure schematic diagram.
Fig. 2 is the circuit block diagram of the utility model embodiment.
Fig. 3 is the circuit diagram of the utility model embodiment 1.
Fig. 4 is the circuit diagram of the utility model embodiment 2.
Among Fig. 1: 1, kettle body, 2, electric heater, 3, the steam exhaust-gas hole, 4, the kettle seat, 5, runback megadyne temperature degree switch, 6, control circuit board, 7, console switch.
The utility model is described in further detail below in conjunction with the specific embodiment and accompanying drawing.
The specific embodiment
Electrical heating teapot in the present embodiment comprises kettle body 1, electric heater 2, steam exhaust-gas hole 3, kettle seat 4, runback megadyne temperature degree switch 5 (at this moment the vapor (steam) temperature checkout gear adopts self-resetting switch), control circuit board 6, electric heater 2 is installed in the kettle body 1, above kettle body 1, be provided with steam exhaust hole 3, runback megadyne temperature degree switch 3 be located at steam exhaust hole 3 corresponding positions on (and with steam can contacted optional position), control circuit is installed on the kettle seat 4 inner control circuit plates 6, control circuit includes gauge tap, runback megadyne temperature degree switch 5 and electric heater 2, the gauge tap of control circuit is in series, runback megadyne temperature degree switch 5 is under the effect of steam, automatically cut off the power supply when reaching its temperature threshold values, power-off signal (being detection signal) passes to control circuit, and control circuit receives the gauge tap that will connect with heater 2 behind the power-off signal and disconnects.Above-mentioned runback megadyne temperature degree switch 5 can adopt deformable bimetal leaf mechanical switch, above-mentioned runback megadyne temperature degree switch temperature threshold accuracy is less demanding, cost is low, and its temperature threshold values can be higher than normal temperature, be lower than value in the scope of minimum temperature broad of steam.Above-mentioned control circuit comprises detection power-off signal circuit, status display circuit, function circuit, central control circuit, detection power-off signal circuit (can adopt probe to detect electric current), status display circuit, function circuit are connected with the central control circuit signal, control circuit has small-power insulation, temperature control, the three kinds of duties of seething with excitement again regularly, status display circuit, function circuit and central control circuit and three kinds of duties adapt, and correspondence is provided with console switch 7 on kettle seat 4.Gauge tap in the control circuit adopts controllable silicon.Kettle body and kettle seat are designed to separable, heater 2 is connected with kettle seat 4 inner control circuits by connector with runback megadyne temperature degree switch 5 series connection backs, also can be provided with support spring on the kettle seat 4, when the water level in the kettle body is lower than safety level, spring utilizes the elastic force of self that kettle body 1 is popped up, thereby heater 2 and power supply are disconnected, so that safer in use.
Below in conjunction with Fig. 3 the water boiling outage temperature control principle of embodiment 1 (adopting SCR control electrode current detection technique) is described further.
R19 is the electric heating body in the kettle body among the figure, S3 is the runback megadyne temperature degree switch that is contained on the kettle body handle, Q4 is the bidirectional triode thyristor on the interior control circuit of kettle seat, after connecting power supply, the alternating current of 220V is through capacitor C 8, resistance R 18, the R17 step-down, resistance R 18 provides discharge path for capacitor C 8, diode D2, the D3 rectification, Zener diode D8 voltage stabilizing, capacitor C 4 filtering, obtain the stable DC voltage of 15v, resistance R 4 provides electric current for light emitting diode D5, and light emitting diode D5 is as the indication of 15v voltage, and 15v voltage is added on the 7th pin vcc end of integrated circuit U1, through the voltage stabilizing of IC interior mu balanced circuit, obtain the 5v burning voltage at the 8th pin vREF end.Capacitor C 5 is a filter capacitor.Press operating switch S1, integrated circuit U1 the 8th pin vREF end 5v voltage, through c3, C6, the differential circuit that R16 constituted produces the pulse voltage of an about 5v peak value, be added in the 4th pin of integrated circuit U1, the voltage of the 4th pin surpasses its threshold value (about 3V), make the bistable circuit upset of integrated circuit U1 inside, the 6th pin OUT end of integrated circuit U1 rises to 15v from 0V immediately, 15V voltage is through resistance R 3, be added on the base stage of triode Q2 after the R9 dividing potential drop, so triode Q2 conducting, negative current is through light emitting diode D7, triode Q2, resistance R 13, the control utmost point of bidirectional triode thyristor Q4 triggers controllable silicon Q4, and light emitting diode D7 is as the triggering indication of controllable silicon Q4.The 220v power supply through bidirectional triode thyristor Q4, temperature switch S3 to kettle in electric heating body R19 heating.The flow through alternating current of bidirectional triode thyristor, make its control utmost point produce an alternating voltage, this voltage adds to the base stage of triode Q1 after R11, R2 dividing potential drop, after triode Q1 amplifies, triode Q1 collector current is through light emitting diode D6, resistance R 10, R8 are divided to the base stage of triode Q3, heating indication light emitting diode D6 is lighted, also make periodically conducting of triode Q1, to capacitor C 7 periodic discharges, the 15v power supply is through 1 pair of capacitor C of resistance R 7 charging, and charging current is much smaller than discharge current, thereby the voltage of capacitor C 7 remains on closely current potential.So integrated circuit U1 the 4th pin is lower than its threshold value (3v) through R6, D4, C7 clamper to current potential closely, thereby integrated circuit U1 keeps duty, make the heating of switching on continuously of heating physical efficiency.In water when boiling in being heated to teapot, to runback megadyne temperature degree switch S 3, self-resetting switch S3's steam rapidly heats up under the effect of steam by steam vent row in the teapot, reaches its temperature threshold very soon and cuts off the power supply.The bidirectional triode thyristor no current passes through, so the control utmost point does not have alternating voltage yet, triode Q1, Q3 ends, so triode Q3 stops capacitor C 7 periodic discharges, capacitor C 7 rises its voltage through resistance R 1 charging, when capacitor C 7 voltages rise, capacitor C 6 is through resistance R 6, the R7 charging, its voltage also rises, when capacitor C 6 powers on when pressing the threshold value (3V) that is raised to integrated circuit U1 the 4th pin, and the bistable circuit upset among the integrated circuit U1, the voltage of integrated circuit U1 the 6th pin is reduced to 0v from 15v, so the control utmost point of triode Q2 turn off thyristor Q4 also no current passes through, when runback megadyne temperature degree switch resetted, controllable silicon just can conducting like this.So teapot is in not warm-up mode.After electric heating body in the kettle body stops heating, the just very fast disappearance of steam, the temperature of runback megadyne temperature degree switch, do not having under the situation of steam, the very fast decline of temperature and resetting, after temperature switch resets, when opening with the related Power Regulation switch S 2 of Power Regulation potentiometer R15, by resistance R 14, Power Regulation potentiometer R15, resistance R 12, capacitor C 2, C1, bidirectional trigger diode D1, the phase shift power regulation circuit that bidirectional triode thyristor Q4 forms will provide an amount of insulation power to the teapot calandria, the temperature that keeps water in the teapot, the watt level of insulation heating is regulated by potentiometer R21.Circuit just enters keeping warm mode automatically like this, turns off as being incubated Power Regulation switch S 2, and teapot will stop heating, have only and press operating switch S1 again, could heat again teapot, thus the water boiling outage of realization electric teapot and temperature automatically controlled.
Embodiment 2
Electrical heating teapot in the present embodiment comprises kettle body 1, electric heater 2, steam exhaust-gas hole 3, kettle seat 4, runback megadyne temperature degree switch 5 (at this moment the vapor (steam) temperature checkout gear adopts self-resetting switch), control circuit board 6, electric heater 2 is installed in the kettle body 1, above kettle body 1, be provided with steam exhaust hole 3, runback megadyne temperature degree switch 5 be located at steam exhaust hole 3 corresponding positions on (and with steam can contacted optional position), control circuit is installed on the kettle seat 4 inner control circuit plates 6, control circuit includes gauge tap, runback megadyne temperature degree switch 5 and electric heater 2, the gauge tap of control circuit is in series, runback megadyne temperature degree switch 5 is under the effect of steam, automatically cut off the power supply when reaching its temperature threshold values, power-off signal (being detection signal) passes to control circuit, and control circuit receives the gauge tap that will connect with heater 2 behind the power-off signal and disconnects.Above-mentioned runback megadyne temperature degree switch 5 can adopt electronic switches such as thermistor, and above-mentioned runback megadyne temperature degree switch 5 temperature threshold required precisions are not high, and cost is low, and its temperature threshold values can be higher than normal temperature, be lower than value in the scope of minimum temperature broad of steam.Above-mentioned control circuit comprises detection power-off signal circuit, status display circuit, function circuit, central control circuit, detection power-off signal circuit (can adopt probe to detect electric current), status display circuit, function circuit are connected with the central control circuit signal, control circuit has small-power insulation, temperature control, the three kinds of duties of seething with excitement again regularly, status display circuit, function circuit and central control circuit and three kinds of duties adapt, and correspondence is provided with console switch 7 on the kettle seat.Gauge tap in the control circuit adopts relay.Kettle body 1 and kettle seat 4 are made as separable, also can be provided with support spring on the kettle seat 4, and when the water level in the kettle body 1 was lower than safety level, spring utilized the elastic force of self that kettle body 1 is popped up, thereby heater 2 and power supply are disconnected, so that safer in use.
The temperature control of boiling again principle below in conjunction with 4 couples of embodiment 2 of accompanying drawing (printed circuit board (PCB) current sampling detection technique) is described further.
R17 is the electric heating body in the kettle body among Fig. 4, S3 is the runback megadyne temperature degree switch that is contained on the kettle body handle, K1-1 is the normal open switch of relay K 1 on the interior control circuit of kettle seat, after connecting power supply, the alternating current of 220v is through capacitor C 3, resistance R 6, the R7 step-down, resistance R 7 provides discharge path for capacitor C 3, through diode D1, D2, the D3 rectification, Zener diode D10, the D11 voltage stabilizing, capacitor C 1, C4 filtering, obtain the stable DC voltage of a 15V on capacitor C 1 and C4 respectively, the 15v power supply on the capacitor C 1 provides working power for relay K 1, and the 15v power supply on the capacitor C 4 is integrated circuit U1, U2 provides working power, this 15v voltage is added on the 7th pin vcc end of integrated circuit U1 respectively, the 8th pin vcc end of U2 through the inner mu balanced circuit voltage stabilizing of integrated circuit U1, obtains the 5v burning voltage at integrated circuit U1 the 8th pin VREF end.Capacitor C 2 is a filter capacitor, and resistance R 8 provides electric current for light emitting diode D7, and light emitting diode D7 indicates as working power.Press operating switch S1, integrated circuit U1 the 8th pin vREF end 5v voltage, the differential circuit that is constituted through capacitor C 5, C6, resistance R 3 produces the pulse voltage of an about 5V peak value, be added in the 4th pin of integrated circuit U1, the voltage of the 4th pin surpasses its threshold value (about 3v), make the bistable circuit upset of integrated circuit U1 inside, the 6th pin OUT end of integrated circuit U1 rises to 15v from 0v immediately, and relay indicating light light emitting diode D6 is bright to the 5v end points through resistance R 1.Rising along with the 6th pin OUT terminal voltage of integrated circuit U1, also rise by the voltage that offers triode Q1 base stage after resistance R 2 Zener diode D9, resistance R 4 dividing potential drops, triode Q1 becomes cut-off state by original conducting state, through diode D2 capacitor C 1 is charged, capacitor C 1 two terminal voltages reach 15v very soon, the relay K 1 energising adhesive in parallel with capacitor C 1, normal open switch K1-1 closure, the 220v power supply is through K switch 1-1, and temperature switch S3 is to electric heating body R17 heating in the kettle.Flow through the electric current of electric heating body by the one section conducting wire of A point among the figure to the printed circuit board (PCB) between the B point, on this section circuit, just produce the alternating voltage of an about 2mv, this voltage is added on the end of oppisite phase (the 6th pin) of the voltage comparator 2 among the integrated circuit U2, obtain the threshold voltage of an about 1.5mv by resistance R 15, R16 dividing potential drop, the in-phase end (the 5th pin) that is added on comparator 2 is like this after comparator 2 compares, its output 2OUT (the 7th pin) periodically conducting discharges to capacitor C 7, discharge current is much larger than the charging current of resistance R 11, and capacitor C 7 remains on closely current potential.Diode D5 ends, and integrated circuit U1 the 4th pin is lower than threshold potential, keeps duty, makes the heating of switching on continuously of electrical heating physical efficiency.In water when boiling in being heated to teapot, to runback megadyne temperature degree switch S 3, runback megadyne temperature degree switch S 3 heats up under the effect of steam steam rapidly by steam vent row in the teapot, reaches its temperature threshold values very soon and cuts off the power supply.Outage back A point does not just have voltage between the B point yet, so the 7th pin OUT terminal potential of the voltage comparator 2 among the integrated circuit U2 rises, capacitor C 7 voltage after resistance R 11 chargings rises, the voltage of capacitor C 7, through diode D5 resistance R 10, R3 capacitor C 6 is charged, when capacitor C 6 voltages rise to the threshold values (3v) of integrated circuit U1 the 4th pin, the voltage of integrated circuit U1 the 6th pin, reduce to 0v from 15V, so the base potential of triode Q1 also makes triode Q1 conducting along with decline.After the triode Q1 conducting, diode D2 ends, and capacitor C 1 voltage is also very fast reduces to 0v from 15v, and relay K 1 discharges, and normal open switch K1-1 disconnects, and teapot is in not warm-up mode.After electric heating body stops heating in the kettle body, the just very fast disappearance of steam, the temperature of runback megadyne temperature degree switch, do not having under the situation of steam, the very fast decline of temperature and resetting is after temperature switch resets, because normal open switch K1-1 still is an off-state, so teapot still is in not warm-up mode.At this moment, because integrated circuit U1 the 6th pin OUT terminal voltage is 0v, the end of oppisite phase (the 2nd pin) that is connected to the voltage comparator 1 among the integrated circuit U2 through resistance R 12 also is 0V, and the in-phase end of comparator 1 (the 3rd pin) is connected to the 5v H of the 8th pin of integrated circuit U1 through resistance R 13, so voltage also is 5V, so comparator OUT end (the 1st pin) (being the colelctor electrode of its output triode) is cut-off state.When boiling switch S2 closes again at this moment as with the related timing of timing potentiometer R14, timing indicator light emitting diode D8 lights, resistance R 5 provides operating current for light emitting diode D8,5v voltage is through switch S 2, potentiometer R14 is to capacitor C 8 chargings, the voltage of capacitor C 8 rises, through diode D4 resistance R 10, R3 is to capacitor C 6 chargings, after after a while, when integrated circuit U1 the 4th pin current potential rises to its threshold value (3v), the bistable circuit upset among the integrated circuit U1, circuit just changes heated condition again over to, realize timing boiling function again, the length of timing is by the adjusting of timing potentiometer R14, when boiling switch S2 turn-offs again as timing, circuit is after the water boiling, to keep closed condition always, and have only and press operating switch S1 again, could heat again teapot.Thereby the temperature controlling function that realization is seethed with excitement by the timing of teapot again.
Because have only two power lines to be connected between kettle body and kettle seat, power line is not only powered but also transmit temperature signal, need not increase control circuit and just can realize temperature control, so but kettle body and kettle seat are split also can be disjunctor.
The method of detection electric current of the present utility model also is not limited to the detection method among the embodiment, also can adopt methods such as resistance shunt method, current transformer.
Gauge tap in the utility model control circuit also is not limited to relay, the controllable silicon among the embodiment, also can adopt other electronic switches such as transistor.
Claims (10)
1. electrical heating teapot that has water boiling outage automatic temp controller, comprise the kettle body, electric heater, the steam exhaust-gas hole, the kettle seat, electric heater is installed in the kettle body, above the kettle body, be provided with the steam exhaust hole, it is characterized in that: also be provided with the vapor (steam) temperature checkout gear, control circuit, the vapor (steam) temperature checkout gear be located at the corresponding position of steam exhaust hole on, control circuit is installed in the kettle seat, control circuit includes gauge tap, the detected vapor signal of vapor (steam) temperature checkout gear is delivered to control circuit, and control circuit receives the gauge tap that will connect with heater behind the detection signal and disconnects.
2. according to the described a kind of electrical heating teapot that has water boiling outage automatic temp controller of claim 1, it is characterized in that: above-mentioned vapor (steam) temperature checkout gear is designed to runback megadyne temperature degree switch, the gauge tap of runback megadyne temperature degree switch and electric heater, control circuit is in series, runback megadyne temperature degree switch is under the effect of steam, automatically cut off the power supply when reaching its temperature threshold values, power-off signal passes to control circuit.
3. according to the described a kind of electrical heating teapot that has water boiling outage automatic temp controller of claim 2, it is characterized in that: the temperature threshold values of above-mentioned runback megadyne temperature degree switch can be higher than normal temperature, be lower than value in the scope of minimum temperature broad of steam.
4. according to claim 2 or 3 described a kind of electrical heating teapots that have water boiling outage automatic temp controller, it is characterized in that: above-mentioned runback megadyne temperature degree switch is a mechanical switch.
5. according to claim 2 or 3 described a kind of electrical heating teapots that have water boiling outage automatic temp controller, it is characterized in that: above-mentioned runback megadyne temperature degree switch is an electronic switch.
6. according to the described a kind of electrical heating teapot that has water boiling outage automatic temp controller of claim 2, it is characterized in that: control circuit is designed to comprise and detects power-off signal circuit, status display circuit, function circuit, central control circuit that detection power-off signal circuit, status display circuit, function circuit are connected with the central control circuit signal.
7. according to claim 1 or 6 described a kind of electrical heating teapots that have water boiling outage automatic temp controller, it is characterized in that: above-mentioned control circuit is designed to have the small-power insulation, temperature control, seethe with excitement again one or more work in combination states in three kinds of duties regularly, status display circuit, function circuit and central control circuit and three kinds of duties adapt, and are provided with corresponding console switch on the kettle seat.
8. according to claim 1 or 6 described a kind of electrical heating teapots that have water boiling outage automatic temp controller, it is characterized in that: the gauge tap of above-mentioned control circuit is a relay.
9. according to claim 1 or 6 described a kind of electrical heating teapots that have water boiling outage automatic temp controller, it is characterized in that: the gauge tap of above-mentioned control circuit be selected from transistor or controllable silicon both one of electronic switch.
10. according to claim 1 or 2 or 6 described a kind of electrical heating teapots that have water boiling outage automatic temp controller, it is characterized in that: kettle body and kettle seat are designed to split.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248669 CN2574557Y (en) | 2002-10-14 | 2002-10-14 | Handy dinner machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248669 CN2574557Y (en) | 2002-10-14 | 2002-10-14 | Handy dinner machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574557Y true CN2574557Y (en) | 2003-09-24 |
Family
ID=33719258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02248669 Expired - Fee Related CN2574557Y (en) | 2002-10-14 | 2002-10-14 | Handy dinner machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2574557Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104188517A (en) * | 2014-08-13 | 2014-12-10 | 蔡坚明 | Coffee machine |
| CN108567329A (en) * | 2018-07-06 | 2018-09-25 | 安徽升翔生态农业发展有限公司 | It is a kind of to have control water temperature to boil teapot |
| CN109581534A (en) * | 2018-12-06 | 2019-04-05 | 广东吉米有品智能科技有限公司 | Water-free detection method for cup |
-
2002
- 2002-10-14 CN CN 02248669 patent/CN2574557Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104188517A (en) * | 2014-08-13 | 2014-12-10 | 蔡坚明 | Coffee machine |
| CN104188517B (en) * | 2014-08-13 | 2017-04-26 | 蔡坚明 | Coffee machine |
| CN108567329A (en) * | 2018-07-06 | 2018-09-25 | 安徽升翔生态农业发展有限公司 | It is a kind of to have control water temperature to boil teapot |
| CN109581534A (en) * | 2018-12-06 | 2019-04-05 | 广东吉米有品智能科技有限公司 | Water-free detection method for cup |
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