CN216776682U - Automatic power-off heat-insulation circuit for stewpot - Google Patents
Automatic power-off heat-insulation circuit for stewpot Download PDFInfo
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- CN216776682U CN216776682U CN202122867542.7U CN202122867542U CN216776682U CN 216776682 U CN216776682 U CN 216776682U CN 202122867542 U CN202122867542 U CN 202122867542U CN 216776682 U CN216776682 U CN 216776682U
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Abstract
The utility model belongs to the technical field of stew pan heat preservation circuits, and particularly relates to an automatic power-off heat preservation circuit for a stew pan, aiming at the problems that the existing electric heating stew pan cannot be automatically powered off for heat preservation after being stewed for a certain time, so that electric energy is wasted, and the stewing purpose is influenced, the automatic power-off heat preservation circuit comprises an alternating current power supply U and a heater W, wherein one end of the alternating current power supply U is connected with a fusing protection circuit, a second resistor R2 is connected in parallel on the fusing protection circuit, an intelligent chip IC is connected in series on the second resistor R2, a temperature control adjusting circuit is connected on the fusing protection circuit, the temperature control adjusting circuit is connected with the intelligent chip IC, the temperature control adjusting circuit is connected with the heater W, a temperature sensor T is connected in parallel on the heater W, the temperature sensor T is connected with the intelligent chip IC, and the temperature sensor T is connected with the other end of the alternating current power supply U to form a closed loop. The utility model can automatically cut off the power to preserve the heat after stewing for a certain time.
Description
Technical Field
The utility model relates to the technical field of stewpot heat preservation circuits, in particular to an automatic power-off heat preservation circuit for a stewpot.
Background
Stewpots are common in life, and the stewpots are of various types, are heated by electricity or gas combustion, and are convenient to use and need to be heated by electricity.
However, the existing electric heating stewpot can not automatically cut off the power for heat preservation after stewing for a certain time, which not only wastes electric energy, but also affects the stewing purpose.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the existing electric heating stewpan cannot automatically power off to preserve heat after stewing for a certain time, not only wastes electric energy, but also influences the stewing purpose, and provides an automatic power-off heat preservation circuit for the stewpan.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic outage heat preservation circuit for saucepan, including alternating current power supply U and heater W, alternating current power supply U one end is connected with fusing protection circuit, the last parallel connection of fusing protection circuit has second resistance R2, it has intelligent chip IC to establish ties on the second resistance R2, be connected with temperature control regulating circuit on the fusing protection circuit, temperature control regulating circuit links to each other with intelligent chip IC, temperature control regulating circuit links to each other with heater W, the last parallel connection of heater W has temperature sensor T, temperature sensor T is connected with intelligent chip IC, temperature sensor T is connected with alternating current power supply U's the other end and is formed closed circuit.
Preferably, fusing protection circuit includes fusing resistance wire FU and alarm lamp L3, and fusing resistance wire FU establishes ties in alternating current power supply U's one end, and fusing resistance wire FU links to each other with temperature control regulating circuit, and fusing resistance wire FU's the outside is parallelly connected to have alarm lamp L3.
Preferably, the temperature control adjusting circuit comprises a first time switch K1, a second time switch K2, a first resistor R1, an operation indicator lamp L1, a heat preservation indicator lamp L2 and an adjustable resistor R3, wherein the first time switch K1, the first resistor R1 and the operation indicator lamp L1 are connected in series on the heater W to form a heating circuit.
Preferably, the second time switch K2, the heat preservation indicator lamp L2 and the adjustable resistor R3 are connected in series and in parallel to the heating circuit to form a heat preservation circuit.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, by setting the working time of the first time switch K1, the heater W works to convert electric energy into heat energy to heat the stew pan, the working indicator lamp L1 lights up, until the first time switch K1 reaches a specified time, the IC chip controls the first time switch K1 to be switched off, and meanwhile, the second time switch K2 is switched on, and the power of the heater W is reduced through the adjustable resistor R3, so that the stew pan is in a heat preservation state;
the adjustable resistor R3 is automatically adjusted according to the situation, the temperature of the stewpot is monitored by the temperature sensor T and is transmitted to the IC chip, automatic control is realized by the IC chip, when the stewpot is too high in temperature and has no sign of reduction for a long time, the second time switch K2 can be automatically switched off, and then heating and heat preservation are started after the stewpot is reduced in temperature, so that the purpose of automatic power-off and heat preservation can be realized on one hand, and electric energy can be saved on the other hand;
the fusing resistance wire FU arranged in the utility model can be automatically fused when the stewpot is in short circuit, and the alarm lamp L3 is electrified to flash and give an alarm.
The utility model can automatically cut off the power to preserve heat after stewing for a certain time, thereby saving the waste of electric energy and not influencing the stewing purpose.
Drawings
FIG. 1 is a circuit diagram of an automatic power-off heat preservation circuit for a saucepan according to the present invention.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Referring to fig. 1, an auto-power-off heat preservation circuit for saucepan, including alternating current power supply U and heater W, alternating current power supply U one end is connected with fusing protection circuit, it has second resistance R2 to connect in parallel on the fusing protection circuit, it has intelligent chip IC to establish ties on the second resistance R2, be connected with temperature-sensing control circuit on the fusing protection circuit, temperature-sensing control circuit links to each other with intelligent chip IC, temperature-sensing control circuit links to each other with heater W, it has temperature sensor T to connect in parallel on the heater W, temperature sensor T is connected with intelligent chip IC, temperature sensor T is connected with alternating current power supply U's the other end and is formed closed circuit.
In this embodiment, fusing protection circuit includes fusing resistance wire FU and alarm lamp L3, and fusing resistance wire FU establishes ties in alternating current power supply U's one end, and fusing resistance wire FU links to each other with temperature control regulating circuit, and fusing resistance wire FU's the outside is parallelly connected to have alarm lamp L3, and fusing resistance wire FU of setting can be automatic fusing when the saucepan takes place the short circuit, alarm lamp L3 circular telegram scintillation and warning.
In this embodiment, the temperature control adjusting circuit includes a first time switch K1, a second time switch K2, a first resistor R1, an operation indicator light L1, a heat preservation indicator light L2 and an adjustable resistor R3, the first time switch K1, the first resistor R1 and the operation indicator light L1 are connected in series to the heater W to form a heating circuit, the second time switch K2, the heat preservation indicator light L2 and the adjustable resistor R3 are connected in series and in parallel to the heating circuit to form a heat preservation circuit, the first time switch K1, the first resistor R1 and the operation indicator light L1 are connected in series to the heater W to cooperate with each other to control the heating operation of the heater W, and the second time switch K2, the heat preservation indicator light L2 and the adjustable resistor R3 cooperate with the heater W to control the heat preservation operation of the heater W.
In this embodiment, the resistance of the first resistor R1 is 50 Ω, the resistance of the second resistor R2 is 60 Ω, the resistance range of the adjustable resistor R3 is 100 Ω and 1000 Ω, when the adjustable resistor R3 is increased, the heating power of the heater W is decreased, and when the adjustable resistor R3 is decreased, the heating power of the heater W is increased.
In the embodiment, when the stewpot is used, the alternating current power supply U is powered on, the heater W works to convert electric energy into heat energy to heat the stewpot by setting the working time of the first time switch K1, the working indicator lamp L1 lights up until the first time switch K1 reaches the designated time, the IC chip controls the first time switch K1 to be switched off, the second time switch K2 is switched on, the power of the heater W is reduced through the adjustable resistor R3, so that the stewpot is in a heat preservation state, the adjustable resistor R3 automatically adjusts according to the situation, when the adjustable resistor R3 is increased, the heating power of the heater W is reduced, when the adjustable resistor R3 is reduced, the heating power of the heater W is increased, the temperature of the stewpot is monitored through the temperature sensor T and is transmitted to the IC chip, the automatic control is realized through the IC chip, when the stewpot has overhigh temperature and has no sign of reduction for a long time, the second time switch K2 can be automatically switched off, then wait to heat the heat preservation at the start-up heating after the stewpot temperature reduces, can realize the heat retaining purpose of auto-power-off on the one hand, on the other hand can practice thrift the electric energy, and fusing resistance wire FU that sets up can automatic fusing when the stewpot takes place the short circuit, and alarm lamp L3 circular telegram is glimmered and is reported to the police.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (4)
1. The utility model provides an automatic outage heat preservation circuit for saucepan, including AC power supply U and heater W, a serial communication port, AC power supply U one end is connected with fusing protection circuit, the last parallel connection of fusing protection circuit has second resistance R2, it has intelligent chip IC to establish ties on the second resistance R2, be connected with temperature control regulating circuit on the fusing protection circuit, temperature control regulating circuit links to each other with intelligent chip IC, temperature control regulating circuit links to each other with heater W, the last parallel connection of heater W has temperature sensor T, temperature sensor T is connected with intelligent chip IC, temperature sensor T is connected with AC power supply U's the other end and is formed closed circuit.
2. The automatic power-off and heat-preservation circuit for the stewpot as claimed in claim 1, characterized in that the fusing protection circuit comprises a fusing resistance wire FU and an alarm lamp L3, the fusing resistance wire FU is connected in series with one end of an alternating current power supply U, the fusing resistance wire FU is connected with a temperature control adjusting circuit, and the outer side of the fusing resistance wire FU is connected in parallel with an alarm lamp L3.
3. The automatic power-off heat preservation circuit for the stewpot as claimed in claim 1, characterized in that the temperature control adjusting circuit comprises a first time switch K1, a second time switch K2, a first resistor R1, an operation indicator lamp L1, a heat preservation indicator lamp L2 and an adjustable resistor R3, wherein the first time switch K1, the first resistor R1 and the operation indicator lamp L1 are connected in series on a heater W and form a heating circuit.
4. The automatic power-off and temperature keeping circuit for the stewpot as claimed in claim 3, wherein the second time switch K2, the temperature keeping indicator light L2 and the adjustable resistor R3 are connected in series and in parallel to the heating circuit to form a temperature keeping circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122867542.7U CN216776682U (en) | 2021-11-22 | 2021-11-22 | Automatic power-off heat-insulation circuit for stewpot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122867542.7U CN216776682U (en) | 2021-11-22 | 2021-11-22 | Automatic power-off heat-insulation circuit for stewpot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216776682U true CN216776682U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122867542.7U Active CN216776682U (en) | 2021-11-22 | 2021-11-22 | Automatic power-off heat-insulation circuit for stewpot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216776682U (en) |
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2021
- 2021-11-22 CN CN202122867542.7U patent/CN216776682U/en active Active
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