CN205458053U - Outage memory pressure cooker - Google Patents
Outage memory pressure cooker Download PDFInfo
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- CN205458053U CN205458053U CN201620065011.2U CN201620065011U CN205458053U CN 205458053 U CN205458053 U CN 205458053U CN 201620065011 U CN201620065011 U CN 201620065011U CN 205458053 U CN205458053 U CN 205458053U
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- power
- pressure cooker
- memory function
- controller
- fail memory
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Abstract
The utility model provides an outage memory pressure cooker, its characterized in that: which comprises a power supply module. The high voltage output end that has connection pressure pot electric heat source part to and the direct current low voltage output of connection pressure pot control circuit part, power module, driver chip, instruction lamp plate, a plurality of manipulating key and sensory control part are remembered including controller, outage to this control circuit part, and this driver chip is controlled by this controller should indicate lamp plate work with the drive, and this electric heat source part is controlled by this controller, this outage memory power module includes parallelly connected mutually energy -storage capacitor C9, resistance R9 and filter capacitance EC9, and direct current source vcc and ground end are connected respectively to this energy -storage capacitor C9's both ends, and the power end that is connected to this controller is held to its positive polarity, this sensory control part is at least including pressure switch. The utility model discloses have circuit structure list, low cost's outage memory power module, can realize simply that the outage of product sets up memory time in batches.
Description
Technical field
This utility model relates to intelligent cooking utensil, is specifically related to a kind of power-fail memory function pressure cooker.
Background technology
At present, some pressure cooker device on the market are provided with power failure memory function, it is possible to the running parameter of memory shutdown transient, to run by former running parameter after power supply to be restored, it is not necessary to reset and complete the whole process that boils.Power-fail memory function is in addition to the memory formula designed by Setup Controller, its memory time also relies on power-fail memory function power supply circuits, the power-fail memory function time of existing most of cooker disunity, even all there are differences with the power-fail memory function time of individuality each in parcel, what some was shorter only has a few minutes, what some was long can be more than one hour, the performance of the most difficult Uniform Product.
Trace it to its cause, be the power-fail memory function power pack discharge instability in the middle of existing apparatus, it is impossible to realizing unified power-fail memory function set of time, this is the problem that the art is urgently to be resolved hurrily.
Utility model content
For overcoming the power-fail memory function set of time problem proposed in background technology, the utility model proposes a kind of power-fail memory function pressure cooker, can the power-fail memory function set of time of simple realization bulk article, its memory time is unified and accurately can set according to needs, avoiding the bigger difference of same batch products power-fail memory function time, its concrete technology contents is as follows:
A kind of power-fail memory function pressure cooker, including
Power module；There is the high-voltage output end connecting pressure cooker electric heat source part, and connect the DC low-voltage outfan of pressure cooker control circuit part；
This control circuit part includes controller, power-fail memory function supply module, driving chip, LED Unit, some operated keys and sensing control part, this driving chip is controlled by this controller to drive this LED Unit to work, the corresponding difference that includes this LED Unit boils some display lamps of pattern, and this electric heat source part is controlled by this controller；
This power-fail memory function supply module includes storage capacitor C9, resistance R9 and the filter capacitor EC9 being in parallel, and the two ends of this storage capacitor C9 connect DC source Vcc and ground end respectively, and its positive ends is connected to the power end of this controller；
This sensing control part at least includes pressure switch.
In the middle of one or more embodiments of the present utility model, this sensing control part includes temperature sensor.
In the middle of one or more embodiments of the present utility model, an ON-OFF control circuit being mainly made up of it is provided with electromagnetism relay switch S1 and audion Q1 between this controller and electric heat source part, the switch sections of this electromagnetism relay switch S1 is located in the supply line of electric heat source part, its electromagnetism part part is connected with this audion Q1, and the base stage of this audion Q1 is connected to this controller.
In the middle of one or more embodiments of the present utility model, the electromagnetism part part in parallel of this electromagnetism relay switch S1 has diode D5.
In the middle of one or more embodiments of the present utility model, this power module includes transformator, rectifier bridge stack and the voltage regulator circuit being sequentially connected with, the simple winding of this transformator connects the power input of pressure cooker, its secondary windings connects rectifier bridge stack, the outfan of this rectifier bridge stack produces first order DC voltage, the outfan of this voltage regulator circuit produces second level DC voltage, and the high-voltage output end of this connection pressure cooker electric heat source part is directly drawn by the power input of pressure cooker.
In the middle of one or more embodiments of the present utility model, this voltage regulator circuit includes 78L05 voltage stabilizing chip, and it is located at the electric capacity C1 and electric capacity C2 at these 78L05 voltage stabilizing chip two ends, this 78L05 voltage stabilizing chip connects the anode of diode D11 through diode D11 ground connection, its grounding leg.
In the middle of one or more embodiments of the present utility model, the outfan of this rectifier bridge stack is connected to filter capacitor EC1.
In the middle of one or more embodiments of the present utility model, the outfan of this voltage regulator circuit connects has some output circuits to export those second level DC voltages with correspondence, each output circuit is mainly to be made up of diode, filter capacitor and storage capacitor, the anode of this diode connects the outfan of voltage regulator circuit, and this filter capacitor and storage capacitor are connected in parallel between diode cathode and ground end.
This utility model is compared with prior art, its advantageous exists: have circuit structure list, with low cost and accurate power-fail memory function supply module discharge time, can the power-fail memory function set of time of simple realization bulk article, it is to avoid the problem that there is bigger difference with the batch products power-fail memory function time；Meanwhile, there is the intelligent control circuit of multisensor part, it is achieved the full intelligentized control method of the process that boils, carry more preferably experience to user, no matter from practicality or economy, be all the product with excellent performance, be suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 is the theory diagram of power-fail memory function pressure cooker of the present utility model.
Fig. 2 is the circuit structure schematic diagram of the power-fail memory function supply module of power-fail memory function pressure cooker of the present utility model.
Fig. 3 is the circuit structure schematic diagram of the power module of power-fail memory function pressure cooker of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 to 3, the application scheme is further described:
A kind of power-fail memory function pressure cooker, including
Power module 1；There is the high-voltage output end connecting pressure cooker electric heat source part 2, and connect the DC low-voltage outfan of pressure cooker control circuit part；
This control circuit part includes controller 3, power-fail memory function supply module 4, driving chip 5, LED Unit 6, some operated keys 7 and sensing control part, this driving chip 5 is controlled by this controller 3 to drive this LED Unit 4 to work, the corresponding difference that includes this LED Unit 4 boils some display lamps of pattern, and this electric heat source part 2 is controlled by this controller 3；
This power-fail memory function supply module 4 includes storage capacitor C9, resistance R9 and the filter capacitor EC9 being in parallel, and the two ends of this storage capacitor C9 connect DC source Vcc and ground end respectively, and its positive ends is connected to the power end of this controller 3；
This sensing control part includes temperature sensor 81 and pressure switch 82.
In the present embodiment, power-fail memory function (electric discharge) Time Calculation formula:
V0 is the initial voltage value on electric capacity；
Vu is electric capacity final voltage value；
Vt is the magnitude of voltage on any time t electric capacity.
After power-off, initial voltage is that the electric capacity C9 of Vcc (+5V) is discharged by resistance R9, V0=Vcc, Vu=0；
During any time t, the voltage on electric capacity is: Vt=V0*exp (-t/RC)=Vcc*exp (-t/R9*C9)；
Therefore power-fail memory function (electric discharge) time: t=RCLn [V0/Vt]=R9*C9*Ln [Vcc/Vt]；
Above exp () represents the index with e as the end；Ln () be e be the logarithm at the end, select suitable resistance and electric capacity according to the requirement of power-fail memory function time.
An ON-OFF control circuit being mainly made up of it is provided with electromagnetism relay switch S1 and audion Q1 between this controller 3 and electric heat source part 2, the switch sections of this electromagnetism relay switch S1 is located in the supply line of electric heat source part 2, its electromagnetism part part is connected with this audion Q1, and the base stage of this audion Q1 is connected to this controller 3.
The electromagnetism part part in parallel of this electromagnetism relay switch S1 has diode D5.
This power supply mould 1 piece includes transformator T1, rectifier bridge stack and the voltage regulator circuit being sequentially connected with, the simple winding of this transformator T1 connects the power input of pressure cooker, its secondary windings connects rectifier bridge stack, the outfan of this rectifier bridge stack produces first order DC voltage (being+12V in the present embodiment), the outfan of this voltage regulator circuit produces second level DC voltage (being+5V in the present embodiment), and the high-voltage output end of this connection pressure cooker electric heat source part 2 is directly drawn by the power input of pressure cooker.
This voltage regulator circuit includes 78L05 voltage stabilizing chip, and is located at the electric capacity C1 and electric capacity C2 at these 78L05 voltage stabilizing chip two ends, and this 78L05 voltage stabilizing chip connects the anode of diode D11 through diode D11 ground connection, its grounding leg.
The outfan of this rectifier bridge stack is connected to filter capacitor EC1.
The outfan of this voltage regulator circuit connects has some output circuits to export those second level DC voltages with correspondence, each output circuit is mainly to be made up of diode, filter capacitor and storage capacitor, the anode of this diode connects the outfan of voltage regulator circuit, and this filter capacitor and storage capacitor are connected in parallel between diode cathode and ground end；At least provided with the first output circuit and the second output circuit in the present embodiment, this first output circuit includes diode D9, filter capacitor EC3 and storage capacitor C3, this second output circuit includes diode D10, filter capacitor EC2 and storage capacitor C5, and the also parallel connection of the two ends of R5 is connected to resistance R6.
Above-mentioned preferred implementation should be regarded as the illustration of the application scheme embodiment, and all, approximations identical with the application scheme or the technology made based on this are deduced, replaced, improvement etc., are regarded as the protection domain of this patent.
Claims (8)
1. a power-fail memory function pressure cooker, it is characterised in that: include
Power module；There is the high-voltage output end connecting pressure cooker electric heat source part, and connect the DC low-voltage outfan of pressure cooker control circuit part；
This control circuit part includes controller, power-fail memory function supply module, driving chip, LED Unit, some operated keys and sensing control part, this driving chip is controlled by this controller to drive this LED Unit to work, the corresponding difference that includes this LED Unit boils some display lamps of pattern, and this electric heat source part is controlled by this controller；
This power-fail memory function supply module includes storage capacitor C9, resistance R9 and the filter capacitor EC9 being in parallel, and the two ends of this storage capacitor C9 connect DC source Vcc and ground end respectively, and its positive ends is connected to the power end of this controller；
This sensing control part at least includes pressure switch.
Power-fail memory function pressure cooker the most according to claim 1, it is characterised in that: this sensing control part includes temperature sensor.
Power-fail memory function pressure cooker the most according to claim 1, it is characterized in that: between this controller and electric heat source part, be provided with an ON-OFF control circuit being mainly made up of electromagnetism relay switch S1 and audion Q1, the switch sections of this electromagnetism relay switch S1 is located in the supply line of electric heat source part, its electromagnetism part part is connected with this audion Q1, and the base stage of this audion Q1 is connected to this controller.
Power-fail memory function pressure cooker the most according to claim 3, it is characterised in that: the electromagnetism part part in parallel of this electromagnetism relay switch S1 has diode D5.
Power-fail memory function pressure cooker the most according to claim 1, it is characterized in that: this power module includes transformator, rectifier bridge stack and the voltage regulator circuit being sequentially connected with, the simple winding of this transformator connects the power input of pressure cooker, its secondary windings connects rectifier bridge stack, the outfan of this rectifier bridge stack produces first order DC voltage, the outfan of this voltage regulator circuit produces second level DC voltage, and the high-voltage output end of this connection pressure cooker electric heat source part is directly drawn by the power input of pressure cooker.
Power-fail memory function pressure cooker the most according to claim 5, it is characterized in that: this voltage regulator circuit includes 78L05 voltage stabilizing chip, and it is located at the electric capacity C1 and electric capacity C2 at these 78L05 voltage stabilizing chip two ends, this 78L05 voltage stabilizing chip connects the anode of diode D11 through diode D11 ground connection, its grounding leg.
Power-fail memory function pressure cooker the most according to claim 5, it is characterised in that: the outfan of this rectifier bridge stack is connected to filter capacitor EC1.
Power-fail memory function pressure cooker the most according to claim 5, it is characterized in that: the outfan of this voltage regulator circuit connects has some output circuits to export those second level DC voltages with correspondence, each output circuit is mainly to be made up of diode, filter capacitor and storage capacitor, the anode of this diode connects the outfan of voltage regulator circuit, and this filter capacitor and storage capacitor are connected in parallel between diode cathode and ground end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620065011.2U CN205458053U (en) | 2016-01-25 | 2016-01-25 | Outage memory pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620065011.2U CN205458053U (en) | 2016-01-25 | 2016-01-25 | Outage memory pressure cooker |
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| CN205458053U true CN205458053U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620065011.2U Expired - Fee Related CN205458053U (en) | 2016-01-25 | 2016-01-25 | Outage memory pressure cooker |
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| CN (1) | CN205458053U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108013750A (en) * | 2016-11-02 | 2018-05-11 | 广东美的生活电器制造有限公司 | Heating vessel and its control method |
| CN108923477A (en) * | 2018-06-01 | 2018-11-30 | 宁波三星医疗电气股份有限公司 | A kind of battery booster control circuit of interior display unit |
| CN109393939A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Split cooking apparatus and its memory control method |
-
2016
- 2016-01-25 CN CN201620065011.2U patent/CN205458053U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108013750A (en) * | 2016-11-02 | 2018-05-11 | 广东美的生活电器制造有限公司 | Heating vessel and its control method |
| CN109393939A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Split cooking apparatus and its memory control method |
| CN109393939B (en) * | 2017-08-16 | 2021-09-21 | 佛山市顺德区美的电热电器制造有限公司 | Split cooking utensil and memory control method thereof |
| CN108923477A (en) * | 2018-06-01 | 2018-11-30 | 宁波三星医疗电气股份有限公司 | A kind of battery booster control circuit of interior display unit |
| CN108923477B (en) * | 2018-06-01 | 2022-03-15 | 宁波三星医疗电气股份有限公司 | Battery boost control circuit of indoor display unit |
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| Date | Code | Title | Description |
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| 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: 20160817 Termination date: 20180125 |