CN2801015Y - Pressure-controlled and temperature-controlled combined pressure-adjustable electric pressure cooker - Google Patents
Pressure-controlled and temperature-controlled combined pressure-adjustable electric pressure cooker Download PDFInfo
- Publication number
- CN2801015Y CN2801015Y CN 200520059820 CN200520059820U CN2801015Y CN 2801015 Y CN2801015 Y CN 2801015Y CN 200520059820 CN200520059820 CN 200520059820 CN 200520059820 U CN200520059820 U CN 200520059820U CN 2801015 Y CN2801015 Y CN 2801015Y
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- Prior art keywords
- pressure
- switch
- circuit
- control
- controlled
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- Expired - Fee Related
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- 238000010411 cooking Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
A pressure-adjustable electric pressure cooker with pressure control and temperature control combined, a shift heating electric circuit in a control circuit is provided with a shift switch K4And diode D1After being connected in parallel, the heating tube is connected with an auxiliary heating tube R2Pressure switch K of control circuit formed by series connection1And a temperature control switch K2After being connected in series, the heater is connected with a timer A and a gear-shifting heating circuit in parallel and then connected with a heating tube R1Timer switch K3Are connected in series. The design is reasonable, the mechanical pressure control and the temperature control are mutually matched, the gear shifting and the pressure control are utilized, the application range is expanded, the safety performance is improved, the circuit structure is simple, the product cost is low, the work is reliable, the energy is saved, and the circuit is a product which is cheap and high in popularization value.
Description
Technical field
The utility model relates to a kind of Domestic Electric Cooker, particularly a kind of voltage-controlled, temperature control adjustable in pressure electric pressure cooking saucepan that combines.
Background technology
Existing voltage-controlled pot of electric pressure all adopts pressure to move the method that obtains control signal as Chinese patent " 9110026 " and " 982349483 " etc., automatically the electric pressure cooking saucepan of food pressure in the control pot.Though this method is feasible, ignored in case in running into pot O-ring seal sealing bad, interior pot gas leakage when control pressurer system is malfunctioning, will be burnt food, even can be caused fire.In addition, a kind of " the electric pressure rice cooker pressure insurance automaton " that Chinese patent " 032247557 " provides.This control device is that annular boss is arranged at the bottom of heating element, and be provided with three locating pins at least, locating pin is provided with spring and withstands between heating element and pot inner casing, and there is push rod the position at the bottom of the heating element of pot inner casing bottom surface discharge cock correspondence, and push rod passes the perforate of pot inner casing and cooperates with discharge cock.Its superpressure control is sensitive, and control device is simple in structure, low cost of manufacture.But when being applied in voltage-controlled pot of electric pressure, there are the problems referred to above equally.
Summary of the invention
The purpose of this utility model is that a kind of improved voltage-controlled, temperature control adjustable in pressure electric pressure cooking saucepan that combines is provided for the shortcoming that overcomes above-mentioned prior art, and the pressure shift is adjustable, improves its scope of application and security performance.
The purpose of this utility model can realize by following technical measures: this electric pressure cooking saucepan has a pot body, pot courage, pot cover, heat-generating pipe, pressure control device and control circuit, in control circuit, be provided with the shift heater circuit, the shift heater circuit by the shift switch be composed in series with auxiliary heat-generating pipe again after diode is in parallel, the pressure switch of the control circuit back of connecting with temperature detect switch (TDS) is in parallel with timer, shift heater circuit, connects with heat-generating pipe, timer switch again.
It is " the electric pressure rice cooker pressure insurance automaton " of " 032247557 " that pressure control device can adopt the patent No..
The utility model is reasonable in design, and utilization machinery is voltage-controlled to cooperatively interact with temperature control, and the shift pressure control enlarges applicable surface, improve security performance, and circuit structure is simple, and product cost is low, and reliable operation, energy-conservation is a product inexpensive, that have promotional value.
Description of drawings
Fig. 1 is a circuit diagram of the present utility model.
The specific embodiment
This electric pressure cooking saucepan is the improvement project that the basis proposes with the existing structure, and it is " the electric pressure rice cooker pressure insurance automaton " of " 032247557 " that pressure control device can adopt the patent No..
With reference to Fig. 1, in control circuit, be provided with the shift heater circuit, the shift heater circuit is by the shift K switch
4With diode D
1After the parallel connection again with auxiliary heat-generating pipe R
2Be composed in series the pressure switch K of control circuit
1With temperature detect switch (TDS) K
2Series connection back and timer A, shift heater circuit are in parallel, again with heat-generating pipe R
1, timer switch K
3Series connection.Utilize the shift K switch
4Carry out shift, during joint, electric current directly circulates and assists heat-generating pipe R
2, heat-generating pipe R
1, disconnect the shift K switch
4The time, electric current is through diode D
1Step-down flows to auxilliary heat-generating pipe R again
2, heat-generating pipe R
1This temperature detect switch (TDS) K
2Adopt magnet steel, its Curie-point temperature is 140～190 ℃.
When practical application, the operating pressure of pressure control device can be set at 50 kPas, and promptly when pot inner pressure reached 50 kPas, pressure control device can back down pressure switch K
1, and temperature detect switch (TDS) K
2Temperature controlling point be 140～190 ℃ (curie points).During use, timer switch K closes
3, connect heat-generating pipe R
1Power supply heats, when the pressure in the pot reaches 50 kPas of the values of establishing in advance, and pressure switch K
1Disconnect, electric current is through K
3, D
1, R
2With R
1Form the loop, heat-generating pipe R
1, auxilliary heat-generating pipe R
2Be series in the circuit, it is heat-generating pipe R that its power is lower than setting power
1Power, the pressure in this moment pot can rise between 50～70 kPas.If the gas leakage of interior pot O-ring seal, when pot inner pressure was lower than 5 kPas, pressure control device was malfunctioning, and the upper limit warm spot that kettle temperature reaches setting is promptly when 140～190 ℃ (curie point), with pressure switch K
1The temperature detect switch (TDS) K of series connection
2Auto power off.The utility model utilizes the shift heater circuit to reduce electrical power and realizes regulating pot inner pressure, and is simple in structure, safe and reliable, and is applicable to and cooks and prepare food.
Claims (2)
1, a kind of voltage-controlled, temperature control adjustable in pressure electric pressure cooking saucepan that combines has a pot body, pot courage, pot cover, heat-generating pipe, pressure control device and control circuit, it is characterized in that being provided with in control circuit the shift heater circuit, and the shift heater circuit is by the shift K switch
4With diode D
1After the parallel connection again with auxiliary heat-generating pipe R
2Be composed in series the pressure switch K of control circuit
1With temperature detect switch (TDS) K
2Series connection back and timer A, shift heater circuit are in parallel, again with heat-generating pipe R
1, timer switch K
3Series connection.
2, electric pressure cooking saucepan according to claim 1 is characterized in that temperature detect switch (TDS) K
2Curie-point temperature be 160～190 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520059820 CN2801015Y (en) | 2005-06-08 | 2005-06-08 | Pressure-controlled and temperature-controlled combined pressure-adjustable electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520059820 CN2801015Y (en) | 2005-06-08 | 2005-06-08 | Pressure-controlled and temperature-controlled combined pressure-adjustable electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2801015Y true CN2801015Y (en) | 2006-08-02 |
Family
ID=36845718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520059820 Expired - Fee Related CN2801015Y (en) | 2005-06-08 | 2005-06-08 | Pressure-controlled and temperature-controlled combined pressure-adjustable electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2801015Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103799847A (en) * | 2012-11-06 | 2014-05-21 | 美的集团股份有限公司 | Electric pressure cooker and control method for electric pressure cooker |
-
2005
- 2005-06-08 CN CN 200520059820 patent/CN2801015Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103799847A (en) * | 2012-11-06 | 2014-05-21 | 美的集团股份有限公司 | Electric pressure cooker and control method for electric pressure cooker |
| CN103799847B (en) * | 2012-11-06 | 2016-08-03 | 美的集团股份有限公司 | Electric pressure cooker control method and electric pressure cooking saucepan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060802 |