CN102334907A - Signal collection control device of contact type electric pressure cooker - Google Patents
Signal collection control device of contact type electric pressure cooker Download PDFInfo
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- CN102334907A CN102334907A CN201110232066XA CN201110232066A CN102334907A CN 102334907 A CN102334907 A CN 102334907A CN 201110232066X A CN201110232066X A CN 201110232066XA CN 201110232066 A CN201110232066 A CN 201110232066A CN 102334907 A CN102334907 A CN 102334907A
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- spool
- feeler lever
- housing
- electric pressure
- push rod
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Abstract
The invention relates to a signal collection control device of a contact type electric pressure cooker, which comprises a casing with a lower opening, a pressure relief valve, a circuit board, contacts arranged on the circuit board, a single chip computer arranged on the circuit board and a signal generation device, wherein the signal generation device is arranged in the casing, and the signal generation device and the contacts on the circuit board are matched; and the pressure relief valve and the signal generation device are matched, and the pressure relief valve is communicated with the inside of the electric pressure cooker. Because of adopting such a structure, the signal generation device can be replaced; and moreover, the sealing property of the inside of the cooker is good. The defect existing in the prior art is overcome.
Description
Technical field
The present invention relates to a kind of electric pressure cooking saucepan, especially a kind of electric pressure cooking saucepan internal pressure signals collecting and control device.
Background technology
Present prior art, a kind of signals collecting control device of contact electric pressure cooking saucepan comprises cylinder barrel, piston, transmission mechanism, spring and encoder; Existing problems: complex structure, long service life when piston and cylinder barrel sealing decline occurring, error occurs, has potential safety hazard.
Summary of the invention
The objective of the invention is: a kind of signals collecting control device of contact electric pressure cooking saucepan is provided, and it is good seal performance not only, and repair and replacement are convenient.
The present invention is achieved in that a kind of signals collecting control device of contact electric pressure cooking saucepan, and it comprises housing, relief valve, wiring board, setting contact, the setting single-chip microcomputer and the signal generation apparatus in the circuit board in the circuit board of under shed,
Said signal generation apparatus is arranged in the housing, and signal generation apparatus cooperates with contact on the wiring board; Relief valve cooperates with signal generation apparatus, and relief valve is communicated with electric pressure cooking saucepan is interior.
The signals collecting control device of described contact electric pressure cooking saucepan; Its special character is: said signal generation apparatus comprises the air bag of the tubular of a under shed; Several feeler lever and guide posts are radially arranged on the circumferential wall of said air bag, and said feeler lever is the determinant setting, or feeler lever has one;
Several feeler lever pilot hole and pilot holes radially that connect wall are arranged on the circumferential wall of said housing, and said feeler lever pilot hole is the determinant setting or said feeler lever pilot hole has one;
The contact of said wiring board is the determinant setting, or the contact has one;
Said air bag is arranged in the housing; Said air bag communicates with the electric pressure cooking saucepan inner chamber; Gapped between the outer surface of air bag and the inner surface of housing; Feeler lever and feeler lever pilot hole are slidingly matched, and the end of feeler lever cooperates with contact on the wiring board or the conductive metal layer that is arranged on the feeler lever end cooperates with the contact; Guide post and pilot hole are slidingly matched, and guide post cooperates with relief valve.
The signals collecting control device of described contact electric pressure cooking saucepan, its special character is: said feeler lever from bottom to top length increases gradually;
The signals collecting control device of described contact electric pressure cooking saucepan, its special character is: said wiring board and housing axis have the angle of an acute angle, the extended line and the axes intersect of wiring board upper end.
The signals collecting control device of described contact electric pressure cooking saucepan, its special character is: there is circular fixed disk the lower end of said housing, on the housing of fixed disk bottom external screw thread is arranged;
Said air bag has an annular table, and a flange is arranged on the under shed of the air bag of annular table bottom, and the end face of the under shed of flange and housing is fitted;
The fastening cover that also comprises a band centre bore, fastening cover comprise cover plate, around the tapped cylindrical shell of cover plate be positioned at the interface on the centre bore of cover plate;
The internal thread of fastening cover and the external thread spiro fastening of housing, plug receptacle inserts in the air bag, and cover plate compresses the flange of air bag, and interface and housing clamp the air bag of the annular table bottom of air bag.
The signals collecting control device of described contact electric pressure cooking saucepan, its special character is: also comprise the slow gland of bringing air flue into, that delays gland upwards has external screw thread in week; On the centre bore of cover plate internal thread is arranged, the centre bore of slow gland and cover plate screws togather.
The signals collecting control device of described contact electric pressure cooking saucepan; Its special character is: said relief valve comprises the valve gap of valve body, spool, spring and band pore; Said valve body has the spool chamber of taper type point-blank, the guide through hole that is communicated with spool chamber and outlet chamber, the air inlet pipe that valve body is communicated with spool chamber in addition; Said spool is tapered, and the awl end of spool has push rod, and spool cooperates with spool chamber, and push rod and guide through hole are slidingly matched, and valve gap and outlet chamber screw togather, and spring is arranged between valve gap and the spool; Communicate in air inlet pipe and the electric pressure cooking saucepan; Guide post on the said air bag cooperates with push rod.
The signals collecting control device of described contact electric pressure cooking saucepan; Its special character is: comprise that also one has the shell of under shed, a pressure release valve seat is arranged in the said shell, housing is positioned at shell; The valve body of relief valve is fixed on the pressure release valve seat, and the outlet chamber of valve seat stretches out shell and valve gap screws togather.
The signals collecting control device of described contact electric pressure cooking saucepan; Its special character is: said signal generation apparatus comprises the shell fragment that a cross section is curved; Piston and spring; Some feeler levers are radially arranged on the outer circumferential surface of said shell fragment, and said feeler lever is the determinant setting, or on the outer circumferential surface of shell fragment a feeler lever is arranged;
The embedded groove that shell fragment is arranged on the said inner walls has several feeler lever pilot holes radially that connect wall on the housing at embedded groove place, said feeler lever pilot hole is the determinant setting; Or a feeler lever pilot hole arranged;
Shell fragment and embedded groove be chimeric to reach hermetic seal, and feeler lever and feeler lever pilot hole are slidingly matched, and the feeler lever end cooperates with contact on the wiring board;
Spring is arranged between the top and piston of housing, and the interior circumferential surface of piston and inner walls and shell fragment is slidingly matched and reaches hermetic seal;
Also comprise second shell fragment, on second shell fragment push rod is arranged; The embedded groove that second shell fragment is arranged on the inner walls has the push rod pilot hole that connects wall on the housing at the embedded groove place of second shell fragment; Push rod and push rod pilot hole are slidingly matched;
Said relief valve comprises the valve gap of valve body, spool, spring and band pore, and said valve body has the spool chamber of taper type point-blank, the guide through hole that is communicated with spool chamber and outlet chamber, the air inlet pipe that valve body is communicated with spool chamber in addition; Said spool is tapered, and the awl end of spool has push rod, and spool cooperates with spool chamber, and push rod and guide through hole are slidingly matched, and valve gap and outlet chamber screw togather, and spring is arranged between valve gap and the spool; Communicate in air inlet pipe and the electric pressure cooking saucepan; Push rod on said second shell fragment cooperates with push rod.
The signal of a kind of electric pressure cooking saucepan of the present invention adopts control device, owing to adopt this spline structure, signal generation apparatus can be changed, and with pot in good airproof performance.Overcome the defective that exists in the prior art.
Description of drawings
Fig. 1 is one of three-dimensional exploded view of the present invention.
Fig. 2 is two of a three-dimensional exploded view of the present invention.
Fig. 3 is one of cutaway view of the present invention.
Fig. 4 is the partial enlarged drawing of Fig. 4.
Fig. 5 is two of a cutaway view of the present invention.
Fig. 6 is a stereogram of the present invention.
Fig. 7 is the cutaway view of relief valve of the present invention.
Fig. 8 is the front view of air bag of the present invention.
Fig. 9 is the left view of air bag of the present invention.
The block diagram of the circuit that Figure 10 wireless signal of the present invention transmits.
Figure 11 is the cutaway view of second kind of embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5; A kind of signals collecting control device of contact electric pressure cooking saucepan; It comprises a under shed housing 1, relief valve 2, wiring board 3, be arranged on contact on the wiring board 3, be arranged on single-chip microcomputer 4 and signal generation apparatus on the wiring board 3
Said signal generation apparatus is arranged in the housing 1, and signal generation apparatus cooperates with contact on the wiring board 3; Relief valve 2 cooperates with signal generation apparatus, and relief valve 2 is communicated with the electric pressure cooking saucepan inner chamber.
Said signal generation apparatus comprises the air bag 5 of the tubular of a under shed, like Fig. 8, shown in Figure 9, four row several rows feeler levers 51 and two guide posts 52 that are disposed radially along axis direction is arranged on the circumferential wall of said air bag 5; Row, two row, three row also can be set said feeler lever 51 or more than five row, that is to say: feeler lever 51 is the determinant setting; Said guide post 52 is arranged on the two ends of a diameter line.The distribution of the contact on the wiring board 3 is corresponding with feeler lever 51.
As shown in Figure 9, said feeler lever 51 from bottom to top length increases gradually;
Like Fig. 1, shown in Figure 2, several feeler lever pilot holes 11 and pilot hole 12 radially that connect wall are arranged on the circumferential wall of said housing 1; The distribution form of the distribution form of feeler lever pilot hole 11 and feeler lever 51 adapts.
Be arranged in the housing 1 like Fig. 3, Fig. 4, the said air bag 5 of Fig. 5; Said air bag 5 communicates with the electric pressure cooking saucepan inner chamber; Gapped between the inner surface of the outer surface of air bag 5 and housing 1, feeler lever 51 is slidingly matched with feeler lever pilot hole 11, and the end of feeler lever 51 cooperates with contact 31 on the wiring board 3; Guide post 52 is slidingly matched with pilot hole 12.Perhaps there is conductive metal layer the end of feeler lever 51, and conductive metal layer cooperates with the contact.Said air bag 5 is processed by elastomeric material.
As shown in Figure 3, said wiring board 3 and housing 1 axis have the angle of an acute angle, the extended line and the axes intersect of wiring board 3 upper ends.
Like Fig. 3, shown in Figure 4, there is circular fixed disk 13 lower end of said housing 1, on the housing 1 of fixed disk bottom external screw thread is arranged;
Said air bag 5 has an annular table 53, and a flange 54 is arranged on the under shed of the air bag 5 of annular table 53 bottoms, and flange 54 is fitted with the end face of the under shed of housing 1;
The fastening cover 6 that also comprises a band centre bore, fastening cover 6 comprise cover plate 61, around the tapped cylindrical shell 62 of cover plate be positioned at the interface 63 on the centre bore of cover plate;
The external thread spiro fastening of the internal thread of fastening cover 6 and housing 1, plug receptacle 63 inserts in the air bag 5, and cover plate 61 compresses the flange 54 of air bag 5, the air bag 5 of the interface 63 and annular table 53 bottoms of housing 1 clamping air bag 5.Being provided with between assurance air bag 5 and housing 1 inwall of annular table 53 is gapped.
Also comprise the slow gland 7 of bringing air flue into, that delays gland 7 upwards has external screw thread in week; On the centre bore of cover plate 61 internal thread is arranged, slow gland 7 screws togather with the centre bore of cover plate 61.
Like Fig. 1, Fig. 2, shown in Figure 4, electric pressure cooking saucepan lid 8.Housing 1 has Connection Block 14, one screws to pass Connection Block 14 housing 1 is fixed on the electric pressure cooking saucepan lid 8.Hole and fastening cover 6 that the housing of fixed disk 13 bottoms of housing 1 passes electric pressure cooking saucepan lid 8 screw togather.The surface of the axial end of the cylindrical shell 62 of fastening cover 6 and electric pressure cooking saucepan lid 8 against.
As shown in Figure 7; Said relief valve 2 comprises the valve gap 24 of valve body 21, spool 22, spring 23 and band pore; Said valve body 21 has the spool chamber of taper type point-blank, the guide through hole 211 that is communicated with spool chamber and outlet chamber 212, the air inlet pipe 23 that valve body 21 is communicated with spool chamber in addition; Said spool 22 is tapered, and the awl end of spool 22 has push rod 221, and spool 22 cooperates with spool chamber, and push rod 221 is slidingly matched with guide through hole 211, and valve gap 24 screws togather with outlet chamber 212, and spring 23 is arranged between valve gap 24 and the spool 22; As shown in Figure 5, air inlet pipe 23 is passed electric pressure cooking saucepan lid 8 and one nut and is screwed togather.
As shown in Figure 5, the guide post 52 on the said air bag 5 cooperates with push rod 221.When the pressure in the electric pressure cooking saucepan reached the limit of, when especially wiring board 3 or single-chip microcomputer 4 damaged, guide post 52 cooperated with push rod 221, reaches the purpose of pressure release.
Comprise that also one has the shell 9 of under shed, a pressure release valve seat 91 is arranged in the said shell 9, as shown in Figure 5, housing 1 is positioned at shell 9, and the valve body 21 of relief valve 2 is fixed on the pressure release valve seat 91, and the outlet chamber 212 of valve seat 21 stretches out shell 9 and screws togather with valve gap 24.Shell 9 is screwed with electric pressure cooking saucepan lid 8 and is connected.
In use, when the pot inner pressure rising, air bag 5 also has pressure to exist; Air bag 5 upper expansion, the feeler lever 51 on top radially move, and the contact on the wiring board 3 is touched in the end of feeler lever 51; Pass the signal along to single-chip microcomputer 4, single-chip microcomputer 4 passes the signal along to execution unit, the control heater; Or single-chip microcomputer 4 passes the signal to second singlechip, the execution unit of second singlechip control; Signal one be adopt direct-connected mode by pot cover be delivered to the control device, the 2nd in the seat of the bottom of a pan, carry out signal through wireless communication mode and transmit, shown in figure 10; The contact can switch contact, also can coding contact.Along with the pressure in the pot rises, top-down feeler lever 51 successively with wiring board 3 on the contact cooperates, when reaching the pressure of setting, single-chip microcomputer 4 output signals make the execution unit action, and heater is cut off the power supply.
When the pressure in the pot surpassed the peak of setting, the guide post 52 on the air bag 5 touched the push rod 221 of relief valve 2, and push rod moves; Spool 22 is subjected to displacement with respect to spool chamber; Pressure in the pot with pressure releasing, reaches the purpose of safeguard protection through air inlet pipe 23, spool chamber and outlet chamber 212.
Shown in figure 11, said signal generation apparatus comprises the curved shell fragment in a cross section 101, and piston 102 and spring 103 have several feeler levers radially on the outer circumferential surface of said shell fragment 101, and feeler lever is the determinant setting;
Or a feeler lever arranged on the outer circumferential surface of shell fragment 101;
The embedded groove 151 that shell fragment is arranged on said housing 1 inwall has several feeler lever pilot holes radially that connect wall on the housing 1 at embedded groove 151 places, the feeler lever pilot hole is the determinant setting; Or a feeler lever pilot hole arranged;
Also comprise on second shell fragment, 104, the second shell fragments 104 push rod 1041 is arranged; The embedded groove 152 that second shell fragment 104 is arranged on housing 1 inwall has the push rod pilot hole that connects wall on the housing 1 at embedded groove place; Push rod 104 is slidingly matched with the push rod pilot hole;
On the end face of the opening part of said housing 1 draw-in groove is arranged; Draw-in groove is communicated with the embedded groove 151 and second embedded groove 152, and there is a stator lower end of the shell fragment 101 and second shell fragment 104, and bearing embeds in the draw-in groove; Fastening cover 6 screws togather with housing 1, and the cover plate of fastening cover 6 61 remains on stator in the draw-in groove.
The shell fragment 101 and second shell fragment 104 are processed by metal material.
Above-described only is preferential embodiment of the present invention.Should be pointed out that for the person of ordinary skill of the art under the situation that does not break away from the principle of the invention, can also make some improvement and modification, this also is regarded as protection scope of the present invention.
Claims (10)
1. the signals collecting control device of a contact electric pressure cooking saucepan is characterized in that: in the circuit board contact of the housing, relief valve, wiring board, setting that it comprises under shed, in the circuit board single-chip microcomputer and signal generation apparatus are set,
Said signal generation apparatus is arranged in the housing, and signal generation apparatus cooperates with contact on the wiring board; Relief valve cooperates with signal generation apparatus, and relief valve is communicated with electric pressure cooking saucepan is interior.
2. the signals collecting control device of contact electric pressure cooking saucepan according to claim 1; It is characterized in that: said signal generation apparatus comprises the air bag of the tubular of a under shed; Several feeler lever and guide posts are radially arranged on the circumferential wall of said air bag; Said feeler lever is the determinant setting, or feeler lever has one;
Several feeler lever pilot hole and pilot holes radially that connect wall are arranged on the circumferential wall of said housing, and said feeler lever pilot hole is the determinant setting or said feeler lever pilot hole has one;
The contact of said wiring board is the determinant setting, or the contact has one;
Said air bag is arranged in the housing; Said air bag communicates with the electric pressure cooking saucepan inner chamber; Gapped between the outer surface of air bag and the inner surface of housing; Feeler lever and feeler lever pilot hole are slidingly matched, and the end of feeler lever cooperates with contact on the wiring board or the conductive metal layer that is arranged on the feeler lever end cooperates with the contact; Guide post and pilot hole are slidingly matched, and guide post cooperates with relief valve.
3. the signals collecting control device of contact electric pressure cooking saucepan according to claim 2 is characterized in that: said feeler lever from bottom to top length increases gradually.
4. the signals collecting control device of contact electric pressure cooking saucepan according to claim 3 is characterized in that: said wiring board and housing axis have the angle of an acute angle, the extended line and the axes intersect of wiring board upper end.
5. according to the signals collecting control device of claim 2,3 or 4 described contact electric pressure cooking saucepans, it is levied and is: there is circular fixed disk the lower end of said housing, on the housing of fixed disk bottom external screw thread is arranged;
Said air bag has an annular table, and a flange is arranged on the under shed of the air bag of annular table bottom, and the end face of the under shed of flange and housing is fitted;
The fastening cover that also comprises a band centre bore, fastening cover comprise cover plate, around the tapped cylindrical shell of cover plate be positioned at the interface on the centre bore of cover plate;
The internal thread of fastening cover and the external thread spiro fastening of housing, plug receptacle inserts in the air bag, and cover plate compresses the flange of air bag, and interface and housing clamp the air bag of the annular table bottom of air bag.
6. the signals collecting control device of contact electric pressure cooking saucepan according to claim 5, it is levied and is: also comprise the slow gland of bringing air flue into, that delays gland upwards has external screw thread in week; On the centre bore of cover plate internal thread is arranged, the centre bore of slow gland and cover plate screws togather.
7. according to the signals collecting control device of claim 2,3 or 4 described contact electric pressure cooking saucepans; It is levied and is: said relief valve comprises the valve gap of valve body, spool, spring and band pore; Said valve body has the spool chamber of taper type point-blank, the guide through hole that is communicated with spool chamber and outlet chamber, the air inlet pipe that valve body is communicated with spool chamber in addition; Said spool is tapered, and the awl end of spool has push rod, and spool cooperates with spool chamber, and push rod and guide through hole are slidingly matched, and valve gap and outlet chamber screw togather, and spring is arranged between valve gap and the spool; Communicate in air inlet pipe and the electric pressure cooking saucepan;
Guide post on the said air bag cooperates with push rod.
8. the signals collecting control device of contact electric pressure cooking saucepan according to claim 5; It is levied and is: said relief valve comprises the valve gap of valve body, spool, spring and band pore; Said valve body has the spool chamber of taper type point-blank, the guide through hole that is communicated with spool chamber and outlet chamber, the air inlet pipe that valve body is communicated with spool chamber in addition; Said spool is tapered, and the awl end of spool has push rod, and spool cooperates with spool chamber, and push rod and guide through hole are slidingly matched, and valve gap and outlet chamber screw togather, and spring is arranged between valve gap and the spool; Guide post on the said air bag cooperates with push rod.
9. the signals collecting control device of contact electric pressure cooking saucepan according to claim 8; It is levied and is: comprise that also one has the shell of under shed; One pressure release valve seat is arranged in the said shell; Housing is positioned at shell, and the valve body of relief valve is fixed on the pressure release valve seat, and the outlet chamber of valve seat stretches out shell and valve gap screws togather.
10. the signals collecting control device of contact electric pressure cooking saucepan according to claim 1; It is characterized in that: said signal generation apparatus comprises the shell fragment that a cross section is curved; Piston and spring; Some feeler levers are radially arranged on the outer circumferential surface of said shell fragment, and said feeler lever is the determinant setting, or on the outer circumferential surface of shell fragment a feeler lever is arranged;
The embedded groove that shell fragment is arranged on the said inner walls has several feeler lever pilot holes radially that connect wall on the housing at embedded groove place, said feeler lever pilot hole is the determinant setting; Or a feeler lever pilot hole arranged;
Shell fragment and embedded groove be chimeric to reach hermetic seal, and feeler lever and feeler lever pilot hole are slidingly matched, and the feeler lever end cooperates with contact on the wiring board;
Spring is arranged between the top and piston of housing, and the interior circumferential surface of piston and inner walls and shell fragment is slidingly matched and reaches hermetic seal;
Also comprise second shell fragment, on second shell fragment push rod is arranged; The embedded groove that second shell fragment is arranged on the inner walls has the push rod pilot hole that connects wall on the housing at the embedded groove place of second shell fragment; Push rod and push rod pilot hole are slidingly matched;
Said relief valve comprises the valve gap of valve body, spool, spring and band pore, and said valve body has the spool chamber of taper type point-blank, the guide through hole that is communicated with spool chamber and outlet chamber, the air inlet pipe that valve body is communicated with spool chamber in addition; Said spool is tapered, and the awl end of spool has push rod, and spool cooperates with spool chamber, and push rod and guide through hole are slidingly matched, and valve gap and outlet chamber screw togather, and spring is arranged between valve gap and the spool; Communicate in air inlet pipe and the electric pressure cooking saucepan; Push rod on said second shell fragment cooperates with push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110232066XA CN102334907B (en) | 2011-08-08 | 2011-08-08 | Signal collection control device of contact type electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110232066XA CN102334907B (en) | 2011-08-08 | 2011-08-08 | Signal collection control device of contact type electric pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102334907A true CN102334907A (en) | 2012-02-01 |
| CN102334907B CN102334907B (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110232066XA Expired - Fee Related CN102334907B (en) | 2011-08-08 | 2011-08-08 | Signal collection control device of contact type electric pressure cooker |
Country Status (1)
| Country | Link |
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| CN (1) | CN102334907B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040084091A1 (en) * | 2002-11-06 | 2004-05-06 | Loll Kerger | Check valve |
| CN1626860A (en) * | 2003-12-10 | 2005-06-15 | 胡龙 | Pressure release valve in electric water heater |
| CN101352309A (en) * | 2008-08-22 | 2009-01-28 | 九阳股份有限公司 | Electric pressure cooker |
| CN201528994U (en) * | 2009-06-04 | 2010-07-21 | 杭州九阳欧南多小家电有限公司 | Electric pressure cooker with a pressure detecting device |
| CN102008227A (en) * | 2010-09-15 | 2011-04-13 | 乔林友 | Pressure sensor for heating container |
-
2011
- 2011-08-08 CN CN201110232066XA patent/CN102334907B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040084091A1 (en) * | 2002-11-06 | 2004-05-06 | Loll Kerger | Check valve |
| CN1626860A (en) * | 2003-12-10 | 2005-06-15 | 胡龙 | Pressure release valve in electric water heater |
| CN101352309A (en) * | 2008-08-22 | 2009-01-28 | 九阳股份有限公司 | Electric pressure cooker |
| CN201528994U (en) * | 2009-06-04 | 2010-07-21 | 杭州九阳欧南多小家电有限公司 | Electric pressure cooker with a pressure detecting device |
| CN102008227A (en) * | 2010-09-15 | 2011-04-13 | 乔林友 | Pressure sensor for heating container |
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|---|---|
| CN102334907B (en) | 2013-11-20 |
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Granted publication date: 20131120 Termination date: 20160808 |