CN101620418A - Pressure detecting and controlling device of electric pressure cooker - Google Patents
Pressure detecting and controlling device of electric pressure cooker Download PDFInfo
- Publication number
- CN101620418A CN101620418A CN200910115798A CN200910115798A CN101620418A CN 101620418 A CN101620418 A CN 101620418A CN 200910115798 A CN200910115798 A CN 200910115798A CN 200910115798 A CN200910115798 A CN 200910115798A CN 101620418 A CN101620418 A CN 101620418A
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- CN
- China
- Prior art keywords
- pressure
- resistance
- moving body
- pin
- pressure detecting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
Abstract
The invention relates to a pressure detecting and controlling device of an electric pressure cooker, which comprises a direct current supply, a switching device, a warning device, a keying device, a pressure detecting device, a display driving device, a display and a microprocessing device, wherein the direct current supply is arranged on a circuit board and provides direct current working voltage for the following devices, the switching device controls an electric heating device, and the microprocessing device respectively receives and processes signals of the keying device and the pressure detecting device, and respectively outputs the signals to the switching device to control the electric heating device, the display driving device and the warning device. The pressure detecting and controlling device is characterized in that the pressure detecting device comprises a special Hall induction device, a magnetic body, a guide sleeve, a moving body, a connecting rod, a soft rubber sleeve and a restoring spring, wherein the special Hall induction device is arranged on an outer pot and electrically connected with the direct current supply on the circuit board and the microprocessing device through leads, the magnetic body is arranged at a position on a handle of a pot cover and corresponds to the special Hall induction device, the guide sleeve is fixed on the pot cover, the moving body is sleeved in the guide sleeve and can axially move, one end of the connecting rod is fixed above the moving body, the other end of the connecting rod is fixed with the magnetic body, the soft rubber sleeve is sleeved outside the guide sleeve and performs sealing and promoting functions, and the restoring spring is positioned between the moving body and the handle. The pressure detecting and controlling device can realize the direct stepless detection of the pressure intensity in a separate cover type or connecting cover type electric pressure cooker, and has high precision.
Description
Technical field
The present invention relates to a kind of pressure detection control device of electric pressure cooking saucepan.
Background technology
The pressure detection control device of existing electric pressure cooking saucepan comprise be located on the wiring board for following apparatus provides the direct supply of direct-current working volts, switchgear, warning device, key device, pressure-detecting device and the micro treatmenting device of control electric heating device, after the signal that micro treatmenting device receives key device and pressure-detecting device is respectively handled signal inputed to switchgear control electric heating device and warning device respectively.Pressure-detecting device is a kind of to be after detecting by temperature sensing, to convert pressure again to and detect, and it is not high to detect degree of accuracy.Another kind is a pressure switch, it can only detect certain a bit or 2 pressure and precision low, can't realize stepless detection.
Summary of the invention
The present invention be overcome the deficiencies in the prior art and provide a kind of can be directly stepless the detection electric pressure cooking saucepan in pressure, the pressure detection control device of a kind of electric pressure cooking saucepan that accuracy of detection is high.
In order to achieve the above object, the present invention realizes like this, it is a kind of pressure detection control device of electric pressure cooking saucepan, comprise be located on the wiring board for following apparatus provides the direct supply of direct-current working volts, switchgear, warning device, key device, pressure-detecting device, display drive apparatus, display device and the micro treatmenting device of control electric heating device, the signal that micro treatmenting device receives key device and pressure-detecting device is respectively handled the back and signal is inputed to switchgear control electric heating device, display drive apparatus and warning device respectively; It is characterized in that: described pressure-detecting device comprises the extraordinary hall sensing device that is located on the outer pot, extraordinary hall sensing device is electrically connected with direct supply and micro treatmenting device on the wiring board by lead, the corresponding magnetic of device is answered in the position and the impression of extraordinary Hall that are located on the pot cover handle, be fixed on the orienting sleeve on the pot cover, being located in the orienting sleeve can axially movable moving body, one end is fixed on the moving body top other end and the fixing connecting rod of magnetic, is set in orienting sleeve outer the soft rubber cover and the back-moving spring between moving body and handle that play sealing and impetus.
The upper end of described connecting rod is fork-shaped, and the centre that is positioned at fork-shaped on pot cover is provided with one makes the directed guidepost that moves of connecting rod.
Described pressure-detecting device also comprises the 4th resistance and the 5th resistance; Described extraordinary hall sensing device model is 503, and it has three legs, and its 1 pin connects direct supply by the 4th resistance, its 2 pin ground connection; The 5th resistance one termination direct supply, other end ground connection; Its 3 pin connects a pin of micro treatmenting device.
The present invention's advantage compared with prior art is can realize the pressure in minute lid formula or the direct stepless detection electric pressure cooking saucepan of cover linking type electric pressure cooking saucepan, and precision to be high.
Description of drawings
Fig. 1 is the circuit theory diagrams of direct supply of the present invention;
Fig. 2 is the circuit theory diagrams of warning device;
Fig. 3 is the circuit theory diagrams of weight switch;
Fig. 4 is the circuit theory diagrams of switchgear;
Fig. 5 is the circuit theory diagrams of pressure-detecting device;
Fig. 6 is the circuit theory diagrams of temperature-detecting device;
Fig. 7 is the circuit theory diagrams of key device;
Fig. 8 is the circuit theory diagrams of micro treatmenting device;
Fig. 9 is the circuit theory diagrams of display drive apparatus;
Figure 10 is the circuit theory diagrams of display device;
Figure 11 structural representation of the present invention;
Figure 12 is the vertical view of Figure 11;
Figure 13 is the enlarged drawing of the local A of Figure 11.
Embodiment
Below in conjunction with drawings and Examples the present invention is done further detailed description:
Shown in Fig. 1 to 13, it is a kind of pressure detection control device of electric pressure cooking saucepan, comprise be located on the wiring board for following apparatus provides the direct supply of direct-current working volts, switchgear, warning device, key device, pressure-detecting device, display drive apparatus, display and the micro treatmenting device of control electric heating device, the signal that micro treatmenting device receives key device and pressure-detecting device is respectively handled the back and signal is inputed to switchgear control electric heating device, display drive apparatus and warning device respectively; Characteristics of the present invention are: pressure-detecting device comprises the extraordinary hall sensing device 7 that is located on the outer pot 3, extraordinary hall sensing device 7 is electrically connected with direct supply and micro treatmenting device on the wiring board by lead 8, be located at position and the corresponding magnetic 6 of extraordinary hall sensing device on the pot cover handle 2, be fixed on the orienting sleeve 10 on the pot cover 1, being located in the orienting sleeve can axially movable moving body 11, one end is fixed on the moving body top other end and the fixing connecting rod 4 of magnetic, is set in orienting sleeve outer the soft rubber cover 9 and the back-moving spring 12 between moving body and handle 2 that play sealing and impetus.During use, when the pressure in the electric pressure cooking saucepan increases, steam up pushes up soft rubber cover 9, this moment, moving body 11 up moved thereupon, connecting rod 4 is being with magnetic 6 also up to move, extraordinary hall sensing device 7 is sensed the change in location of magnetic and this signal is inputed to micro treatmenting device, after being handled by micro treatmenting device this signal is inputed to warning device and key device and demonstration, has reached the purpose of pressure measurement and control.
In the present embodiment, the upper end of connecting rod 4 is fork-shaped, and the centre that is positioned at fork-shaped on pot cover 1 is provided with one makes the directed guidepost 5 that moves of connecting rod.
In the present embodiment, pressure-detecting device also comprises the 4th resistance R 4 and the 5th resistance R 5; Extraordinary hall sensing device 7 models are 503, and it has three legs, and its 1 pin connects direct supply by the 4th resistance, its 2 pin ground connection; The 5th resistance one termination direct supply, other end ground connection; Its 3 pin connects a pin of micro treatmenting device.
In the present embodiment, micro treatmenting device comprises little processing integrated package CPU, crystal X and the 13 resistance R 13; The model of little processing integrated package is JS9068, and it has 20 legs, 1 pin ground connection wherein, and 20 pin connect direct supply, and 8 pin are by the 13 resistance R 13 ground connection, and crystal X is connected between 2,3 pin, and 15 pin connect 3 pin of extraordinary Hall sensor device 7.
In the present embodiment, warning device comprises the first triode Q1, first resistance R 1 and loudspeaker Y; The base stage of first triode connects 17 pin of little processing integrated package CPU by first resistance R 1, grounded emitter, and collector connects direct supply by loudspeaker Y.
In the present embodiment, switchgear comprises the relay J K of the second triode Q2, the 3rd resistance R 3, the 6th diode D6 and band normally opened contact, the base stage of the second triode Q2 connects 16 pin of little processing integrated package CPU by the 3rd resistance R 3, grounded emitter, collector connects direct supply by the 6th diode D6 and relay J K respectively, and the normally opened contact of relay J K is connected with electric heating device RL.
In the present embodiment, display drive apparatus comprises the 14 to the 17 resistance R 14-R17, the 7th diode D7, the 7th capacitor C 7, the 8th capacitor C 8 and demonstration integrated package IC1, the model that shows integrated package IC1 is SC1628, it has 28 pin, its 1 pin is by the 17 resistance R 17 ground connection, 2,3,4 pin meet 5 of little processing integrated package CPU respectively, 6,7 pin, the 7th diode D7 one termination direct supply, another termination the 14 resistance R 14, the 15 resistance R 15, one end of the 16 resistance R 16,14 resistance R 14, the 15 resistance R 15, the other end of the 16 resistance R 16 connects respectively and shows 4 of integrated package IC1,3,2 pin, the 8th capacitor C 8 is connected on and shows 21 of integrated package IC1, between 22 pin, 22,28 pin ground connection.
In the present embodiment, the model of display is DB-
, having 16 pin, its 1 to 7 pin connects 27,26,24,23,20,19,18 pin that show integrated package IC1 respectively, and its 9 to 16 pin connects 15,18,19,20,14,13,12,11,10,9,8 pin that show integrated package IC1 respectively.
In the present embodiment, key device comprises that the output terminal of first button to the, six button SW1-SW6, the 7th resistance to the 12 resistance R 12, the first buttons to the six buttons connects 9,14,19,18,11,10 pin of little processing integrated package CPU respectively.
In the present embodiment, the direct supply bridge rectifier, second capacitor C, 2 to the 5th capacitor C 5, the 5th diode D5 and the three-terminal regulator block WZ that comprise fuse RJ1-RJ2, adjustable resistance RT1, transformer B, constitute by the first diode D1 to the, four diode D4.
In the present embodiment, also comprise the weight switch device, it comprises the weight switch K and second resistance R 2, and 2 pin of weight switch K connect 13 pin of little processing integrated package, and its 1 pin is by second resistance R, 2 ground connection.
In the present embodiment, also comprise temperature-detecting device, this device comprises the 6th resistance, the 6th capacitor C 6 and temperature sensor RT2, the 2 pin ground connection of temperature sensor RT2, its 1 pin connects direct supply by the 6th resistance R 6, this 1 pin connects 12 pin of little processing integrated package, and the 6th electric capacity is connected between 1,2 pin.
Claims (3)
1, a kind of pressure detection control device of electric pressure cooking saucepan, comprise be located on the wiring board for following apparatus provides the direct supply of direct-current working volts, switchgear, warning device, key device, pressure-detecting device, display drive apparatus, display and the micro treatmenting device of control electric heating device, the signal that micro treatmenting device receives key device and pressure-detecting device is respectively handled the back and signal is inputed to switchgear control electric heating device, display drive apparatus and warning device respectively; It is characterized in that: described pressure-detecting device comprises the extraordinary hall sensing device (7) that is located on the outer pot (3), extraordinary hall sensing device (7) is electrically connected with direct supply and micro treatmenting device on the wiring board by lead, be located at position and the corresponding magnetic of extraordinary hall sensing device (6) on the pot cover handle (2), be fixed on the orienting sleeve (10) on the pot cover (1), being located in the orienting sleeve can axially movable moving body (11), one end is fixed on the moving body top other end and the fixing connecting rod (4) of magnetic, be set in that outer the rising of orienting sleeve seals and the soft rubber cover (9) of impetus and be positioned at moving body and handle (1) between back-moving spring (12).
2, the pressure-detecting device of electric pressure cooking saucepan according to claim 1 is characterized in that: the upper end of described connecting rod (4) is fork-shaped, and the centre that is positioned at fork-shaped on pot cover (1) is provided with one makes the directed guidepost (5) that moves of connecting rod.
3, the pressure-detecting device of electric pressure cooking saucepan according to claim 1 is characterized in that: described pressure-detecting device also comprises the 4th resistance (R4) and the 5th resistance (R5); Described extraordinary hall sensing device (7) model is 503, and it has three legs, and its 1 pin connects direct supply by the 4th resistance, its 2 pin ground connection; The 5th resistance one termination direct supply, other end ground connection; Its 3 pin connects a pin of micro treatmenting device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910115798A CN101620418A (en) | 2009-07-26 | 2009-07-26 | Pressure detecting and controlling device of electric pressure cooker |
| PCT/CN2009/074740 WO2011011935A1 (en) | 2009-07-26 | 2009-10-31 | Pressure detection and control device for electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910115798A CN101620418A (en) | 2009-07-26 | 2009-07-26 | Pressure detecting and controlling device of electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101620418A true CN101620418A (en) | 2010-01-06 |
Family
ID=41513693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910115798A Pending CN101620418A (en) | 2009-07-26 | 2009-07-26 | Pressure detecting and controlling device of electric pressure cooker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101620418A (en) |
| WO (1) | WO2011011935A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519659A (en) * | 2011-12-02 | 2012-06-27 | 美的集团有限公司 | Pressure detection device and electric pressure cooker adopting same |
| EP3505020A4 (en) * | 2016-12-13 | 2020-04-15 | Midea Group Co., Ltd. | Pressure detection device and cooking appliance having same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH688419C1 (en) * | 1992-09-01 | 1999-09-30 | Heinrich Kuhn Metallwarenfabrik Ag | Safety valve for a vapor pressure cooker. |
| KR100402462B1 (en) * | 2000-12-11 | 2003-10-22 | 주식회사 엘지이아이 | Locking detecting circuit in induction heating cooker |
| CN100398043C (en) * | 2002-04-09 | 2008-07-02 | 乐金电子(天津)电器有限公司 | Pressure connection detection circuit for induction heating type cooker |
| CN1522642A (en) * | 2003-02-21 | 2004-08-25 | 乐金电子(天津)电器有限公司 | Pressure electric cooker hall sensor mounting structure |
| CN201005489Y (en) * | 2007-03-06 | 2008-01-16 | 佛山市富士宝电器科技有限公司 | Pressure testing apparatus of the electric pressure cooker |
-
2009
- 2009-07-26 CN CN200910115798A patent/CN101620418A/en active Pending
- 2009-10-31 WO PCT/CN2009/074740 patent/WO2011011935A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519659A (en) * | 2011-12-02 | 2012-06-27 | 美的集团有限公司 | Pressure detection device and electric pressure cooker adopting same |
| EP3505020A4 (en) * | 2016-12-13 | 2020-04-15 | Midea Group Co., Ltd. | Pressure detection device and cooking appliance having same |
| US11399651B2 (en) | 2016-12-13 | 2022-08-02 | Midea Group Co., Ltd. | Pressure detection device with improved control precision of pressure cooking appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011011935A1 (en) | 2011-02-03 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANS YILI ELECTRICAL APPLIANCES CO., LTD. Free format text: FORMER OWNER: JIAN GUANG Effective date: 20101115 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528318 NO.93, GONGYE AVENUE, LONGJIANG TOWN, SHUNDE DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE TO: 528318 NO.2, ZHONGXIN ROAD, AREA 10-10, PATOU INDUSTRIAL AREA, LONGJIANG TOWN, SHUNDE DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20101115 Address after: 528318 Guangdong City, Shunde District, Longjiang Town, the first industrial park in the center of the 10-10 block Road No. Applicant after: Foshan Jianshi Yili Electric Co., Ltd. Address before: 528318 Longjiang City, Foshan province Shunde District Town, Industrial Avenue, No. 93, No. Applicant before: Jian Guang |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100106 |