CN203930524U - A kind of circuit of intelligent pressure-sensitive electric pressure cooking saucepan - Google Patents
A kind of circuit of intelligent pressure-sensitive electric pressure cooking saucepan Download PDFInfo
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- CN203930524U CN203930524U CN201420098397.8U CN201420098397U CN203930524U CN 203930524 U CN203930524 U CN 203930524U CN 201420098397 U CN201420098397 U CN 201420098397U CN 203930524 U CN203930524 U CN 203930524U
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- cooking saucepan
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Abstract
The utility model discloses a kind of circuit of intelligent pressure-sensitive electric pressure cooking saucepan, it is characterized in that, the circuit of described intelligent pressure-sensitive electric pressure cooking saucepan consists of fuse R10, capacitor C 6, capacitor C 7, capacitor C 3, capacitor C 4, capacitor C 12, capacitor C 8, capacitor C 11, capacitor C 5, diode D7, inductance L 1, inductance L 2, special chip IC 1, voltage dependent resistor (VDR) RV1, fast recovery diode RS1M, fast recovery diode D1, fast recovery diode D6, stabilivolt Z1, voltage stabilizer U1, resistance R 28.The superior effect of the circuit of the utility model intelligence pressure-sensitive electric pressure cooking saucepan is: by intelligent pressure-sensitive technology for detection pot nside pressure, when internal pressure is too high, MCU drives blowdown valve work, discharges pot inner pressure.Timing is accurate, and the longest subscription time can reach 18 hours, and reservation error be no more than 1s, mainly by the zero cross signal in synchronous AC electrical network, realize clocking capability, and error is little.
Description
Technical field
The utility model belongs to the control circuit of electric pressure cooking saucepan, is specifically related to a kind of circuit of intelligent pressure-sensitive electric pressure cooking saucepan.
Background technology
The current electric pressure cooking saucepan of production and sales on the market, because there is defect in circuit structure design, Voltage force switch is connected with light current, not only product is in use easily oxidized contact, and can cause false break-make while having foul on Voltage force switch.In addition, pressure switch of electric pressure cooking saucepan does not in the past have heat-generating disc series connection, and after pressure switch power-off, heat-generating disc is in heated condition, and the electric pressure cooking saucepan great majority that have now can not cooking at fixed time.Because existing kinsfolk is daily, all must go to work, after going home, need to cook, therefore needing a kind of intelligent pressure pot badly can be regularly, before going home, to pressure cooker, send instruction, pressure cooker starts to cook, like this after we go back home, rice in pressure cooker boils, thereby for daily life brings many whiles easily, has saved the plenty of time.
Utility model content
The utility model provides a kind of circuit of intelligent pressure-sensitive electric pressure cooking saucepan, can not Based Intelligent Control to solve existing pressure cooker, technological deficiency regularly.
In order to solve above technical matters, the technical scheme that the utility model is taked is:
A kind of circuit of intelligent pressure-sensitive electric pressure cooking saucepan, the circuit of described intelligent pressure-sensitive electric pressure cooking saucepan is by fuse R10, capacitor C 6, capacitor C 7, capacitor C 3, capacitor C 4, capacitor C 12, capacitor C 8, capacitor C 11, capacitor C 5, diode D7, inductance L 1, inductance L 2, special chip IC 1, voltage dependent resistor (VDR) RV1, fast recovery diode RS1M, fast recovery diode D1, fast recovery diode D6, stabilivolt Z1, voltage stabilizer U1, resistance R 28 forms, described capacitor C 7, voltage dependent resistor (VDR) RV1, parallel with one another between capacitor C 3 and capacitor C 4, described fuse R10, diode D7, inductance L 1 and 1 series connection of described special chip IC, resistance R 28 after series connection, voltage stabilizer U1, capacitor C 6 and described fast recovery diode D6, capacitor C 5 parallel connections, described inductance L 2 is connected with capacitor C 5.
Be preferably, described fuse R10 is 5A/250V, and described C7 is 0.1 μ F/275V, and described special chip IC 1 is PN8112, described voltage stabilizer U1 is 78L05, described inductance L 1 is 470 μ H, and described inductance L 2 is 1mH, and described capacitor C 3 and C4 are 4.7 μ F/400V, described capacitor C 12 is 104 μ F/400V, described capacitor C 8 is 4.7 μ F/50V, and described capacitor C 6 is 100 μ F/16V, and described capacitor C 5 is 220 μ F/35V.
After adopting technique scheme, the utility model intelligence pressure-sensitive electric pressure cooking saucepan is by intelligent pressure-sensitive technology for detection pot nside pressure, and when internal pressure is too high, MCU drives blowdown valve work, discharges pot inner pressure.Timing is accurate, and the longest subscription time can reach 18 hours, and reservation error be no more than 1s, mainly by the zero cross signal in synchronous AC electrical network, realize clocking capability, and error is little.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit diagram of the utility model intelligence pressure-sensitive electric pressure cooking saucepan;
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the circuit of intelligent pressure-sensitive electric pressure cooking saucepan consists of fuse R10, capacitor C 6, capacitor C 7, capacitor C 3, capacitor C 4, capacitor C 12, capacitor C 8, capacitor C 11, capacitor C 5, diode D7, inductance L 1, inductance L 2, special chip IC 1, voltage dependent resistor (VDR) RV1, fast recovery diode RS1M, fast recovery diode D1, fast recovery diode D6, stabilivolt Z1, voltage stabilizer U1, resistance R 28.Fuse R10 is 5A/250V, C7 is 0.1 μ F/275V, special chip IC 1 is PN8112, and voltage stabilizer U1 is 78L05, and inductance L 1 is 470 μ H, inductance L 2 is 1mH, capacitor C 3 and C4 are 4.7 μ F/400V, and capacitor C 12 is 104 μ F/400V, and capacitor C 8 is 4.7 μ F/50V, capacitor C 6 is 100 μ F/16V, and capacitor C 5 is 220 μ F/35V.And parallel with one another between capacitor C 7, voltage dependent resistor (VDR) RV1, capacitor C 3 and capacitor C 4, fuse R10, diode D7, inductance L 1 and special chip IC 1 series connection, resistance R 28 after series connection, voltage stabilizer U1, capacitor C 6 and fast recovery diode D6, capacitor C 5 are in parallel, and inductance L 2 is connected with capacitor C 5.
Special chip IC 1 is passed into 5V power supply and in single-chip microcomputer, is guaranteed together with crystal oscillating circuit that special chip IC 1 normally works by filtering circuit filtering.User carries out corresponding function by operation push-button, and the effectively rear hummer of button and LED light have prompting, and charactron also can show corresponding value.Confirming that operating errorless rear relay can carry out corresponding action, special chip IC 1 judges that by NTC testing circuit and pressure switch testing circuit whether pressure cooker is in normal work.
This system is mainly comprised of the large module of control panel He Ge road sensor two.The power unit of control panel is mainly born whole system power supply task, alternating current 220V civil power is separately converted to direct current 12V and 5V light current for system simultaneously, Switching Power Supply, safety device, radiating element, connector, consists of.Control panel also comprises the device of control and display section, mainly comprises relay, charactron, hummer, LED lamp and chip and other input-output device.This part is mainly born control and the demonstration task of system, controls the work of heating plate, the demonstration of pattern, time and false alarm, and this part also comprises hummer notification portion.The state that control panel is connected with various kinds of sensors with winding displacement in Real-time Feedback case is processed and in real time each device is made to corresponding control through software.
Intelligence pressure-sensitive technology for detection pot nside pressure, when internal pressure is too high, MCU drives blowdown valve work, discharges pot inner pressure.Timing is accurate, and the longest subscription time can reach 18 hours, and reservation error be no more than 1s, mainly by the zero cross signal in synchronous AC electrical network, realize clocking capability, and error is little.In software, automatically identify the frequency in the different AC network of 50HZ/60HZ simultaneously.This scheme has also realized by a diode and electrochemical capacitor and has reached and in general data volatibility RAM, preserve the more than 4 hours achievement of power failure data simultaneously.
1, save data more than 4 hours in RAM after power down.
2, intelligent pressure sensor.
3, synchronization zero-cross signal, realizes timing object, and timing error is little.
4, automatically identify AC network frequency.
5, isolating switch power scheme, input voltage: 85-250V/AC.
6, rated power: 1200W.
7, RAM preserves power failure data more than 4 hours.
8, every 18 hours < 1s of reservation timing error.
Finally it should be noted that: above embodiment only illustrates the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (2)
1. the circuit of an intelligent pressure-sensitive electric pressure cooking saucepan, it is characterized in that, the circuit of described intelligent pressure-sensitive electric pressure cooking saucepan is by fuse R10, capacitor C 6, capacitor C 7, capacitor C 3, capacitor C 4, capacitor C 12, capacitor C 8, capacitor C 11, capacitor C 5, diode D7, inductance L 1, inductance L 2, special chip IC 1, voltage dependent resistor (VDR) RV1, fast recovery diode RS1M, fast recovery diode D1, fast recovery diode D6, stabilivolt Z1, voltage stabilizer U1, resistance R 28 forms, described capacitor C 7, voltage dependent resistor (VDR) RV1, parallel with one another between capacitor C 3 and capacitor C 4, described fuse R10, diode D7, inductance L 1 and 1 series connection of described special chip IC, resistance R 28 after series connection, voltage stabilizer U1, capacitor C 6 and described fast recovery diode D6, capacitor C 5 parallel connections, described inductance L 2 is connected with capacitor C 5.
2. the circuit of intelligent pressure-sensitive electric pressure cooking saucepan according to claim 1, it is characterized in that, described fuse R10 is 5A/250V, described C7 is 0.1 μ F/275V, described special chip IC 1 is PN8112, described voltage stabilizer U1 is 78L05, described inductance L 1 is 470 μ H, described inductance L 2 is 1mH, described capacitor C 3 and C4 are 4.7 μ F/400V, and described capacitor C 12 is 104 μ F/400V, and described capacitor C 8 is 4.7 μ F/50V, described capacitor C 6 is 100 μ F/16V, and described capacitor C 5 is 220 μ F/35V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098397.8U CN203930524U (en) | 2014-03-05 | 2014-03-05 | A kind of circuit of intelligent pressure-sensitive electric pressure cooking saucepan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098397.8U CN203930524U (en) | 2014-03-05 | 2014-03-05 | A kind of circuit of intelligent pressure-sensitive electric pressure cooking saucepan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203930524U true CN203930524U (en) | 2014-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098397.8U Expired - Fee Related CN203930524U (en) | 2014-03-05 | 2014-03-05 | A kind of circuit of intelligent pressure-sensitive electric pressure cooking saucepan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203930524U (en) |
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2014
- 2014-03-05 CN CN201420098397.8U patent/CN203930524U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160305 |