CN102068198B - Combined pressure switch and electric pressure cooker using same - Google Patents
Combined pressure switch and electric pressure cooker using same Download PDFInfo
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- CN102068198B CN102068198B CN201110031358A CN201110031358A CN102068198B CN 102068198 B CN102068198 B CN 102068198B CN 201110031358 A CN201110031358 A CN 201110031358A CN 201110031358 A CN201110031358 A CN 201110031358A CN 102068198 B CN102068198 B CN 102068198B
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- 239000012634 fragment Substances 0.000 claims description 22
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- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 5
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Abstract
The invention relates to a combined pressure switch and an electric pressure cooker applying the same. Because the combined pressure switch is arranged on the electric pressure cooker, and each pressure control switch of the combined pressure switch is arranged at the same horizontal height, different pressure values are realized by forming different force arms to act on the corresponding pressure spring. Compared with the prior art, the accuracy of pressure setting and adjustment is higher. Compared with the prior art, the combined pressure switch not only realizes high-low pressure cooking control and meets the requirements of different cooking effects, but also has compact structure and convenient installation and debugging, reduces the production and manufacturing procedures and reduces the process cost.
Description
Technical field
The invention belongs to the technical field of culinary art, a kind of especially combined pressure switch and use the electric pressure cooking saucepan of this switch.
Background technology
The electric pressure cooking saucepan of prior art normally the time is set a rated pressure value in design, and when the culinary art pressure in the pot reached this rated pressure, electric-control system was promptly controlled electric hot tray and stopped to heat restriction pressure and further raise.It realizes that principle is between electric hot tray and outer pot, elastic construction to be set, and pot bottom setting pressure switch outside, and elastic construction converts the culinary art pressure in the pot to displacement and passes to pressure switch; When reaching the rated pressure of setting; The electric hot tray heating is cut off in the pressure switch action, and when the pressure in the pot courage reduced, elastic construction resetted; Pressure switch also resets and makes electric hot tray continue heating, finishes until culinary art so repeatedly.The electric pressure cooking saucepan of said structure has only the control of a force value, and for the problem that solves culinary art different food and different culinary art effect.For solving this technical problem, the quantity that has the inventor to propose to increase pressure switch solves the problems of different culinary art pressure, like Chinese patent bulletin CN200970121Y.Though this technical scheme has solved the single problem of force value in the past; But it is inadvisable to increase force value through the quantity that increases pressure switch; Because each pressure switch is assemblied in the bottom of a pan separately; So not only increased the difficulty of assembling and in the production debug process also more complicated, also can increase product cost in addition, weakened the competitiveness of product in market.
Chinese patent bulletin CN201532903U discloses a kind of combined pressure switch in addition, and it is connected the upward pressure switch through a touch pole with the downforce switch, thereby can select high pressure or low-pressure; This mode; Though structurally simplify than independently two pressure switches being set, because two switches are to be provided with up and down, to be linked together by touch pole, so the upper-lower position degree of accuracy of switch will impact the degree of accuracy of pressure setting; And owing to link together through touch pole; Therefore when a switch being carried out the pressure setting, have influence on the pressure of another switch easily, thereby the setting of build-up of pressure is inaccurate.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, provide that a kind of structure and assembling and setting technology are simple, the pressure setting accurately and reliably, can realize that high-low pressure selects to satisfy the electric pressure cooking saucepan of this switch of combined pressure switch application of different culinary art demands.
The technical scheme that realizes the object of the invention is: a kind of combined pressure switch is characterized in that: two or more pressure control switch and at least one that said combined pressure switch comprises switch base, be arranged on the same level height of this switch base are touched the shake-up shell fragment of pressure switch action.
As further improvement of the present invention, shared one of each pressure control switch touches shell fragment, in the course of work, touches shell fragment and successively touches different pressure control switch.
Said pressure control switch is bimetal leaf flash switch or microswitch.
Specifically, said pressure control switch comprises pressure reed, pressure contact; All the pressure reed of pressure switch is in same level height, another par height of pressure contact; Be respectively equipped with the pressure connecting rod on each pressure reed, the other end of pressure connecting rod is corresponding with the shake-up shell fragment; The height of each pressure switch upward pressure connecting rod is consistent; And the pressure connecting rod is different with the distance of each self-corresponding pressure contact; Perhaps each pressure switch upward pressure connecting rod is identical with the distance of each self-corresponding pressure contact; And height separately is different, and perhaps the height of each pressure switch upward pressure connecting rod is inconsistent, and also inequality with the distance of each self-corresponding pressure contact.
Further improve as of the present invention, be respectively equipped with the pressure adjusting nut on each pressure switch.
Said pressure adjusting nut is arranged on the switch base, and the front end of each pressure adjusting nut is corresponding with the pressure reed of each pressure control switch respectively, and changes the distance between they and the pressure reed through regulating the pressure adjusting nut.
Said pressure reed is same specification or different size.
The present invention also provides a kind of electric pressure cooking saucepan, comprises a pot body, interior pot, outer pot and electric hot tray, and electric hot tray is arranged between interior pot and the outer pot; It is characterized in that: said pot body is provided with the pressure selecting arrangement; Be connected with each described combined pressure switch of claim 1 to 4 on the electric hot tray, said pressure selecting arrangement is electrically connected with the combined pressure switch, and said outer pot bottom is provided with the pressure switch support; In the said electric pressure cooking saucepan pressure uphill process; The pressure switch support touches the shake-up shell fragment of combined pressure switch, makes the combined pressure switch motion, and controls electric hot tray work according to the selection of pressure selecting arrangement.
Further, said pressure switch support is provided with pressure-regulating device.Each pressure control switch of said combined pressure switch is regulated through same pressure-regulating device or each self-corresponding pressure-regulating device.
The present invention is provided with the combined pressure switch on electric pressure cooking saucepan; This combined pressure switch is through the common switch seat; Each pressure control switch is arranged on same level height, acts on the corresponding pressure reed and realize different force value through forming the different arm of forces.With respect to prior art, owing to can in advance a plurality of pressure control switch be combined in the same level height on the switch base, the degree of accuracy that its pressure is provided with and adjusts is higher.Therefore the present invention compares with prior art and has not only realized high-low pressure culinary art control, and the combined pressure construction of switch is compact, and Installation and Debugging are convenient, reduced manufacturing operation, reduced the technology cost.
Description of drawings
Fig. 1 is the partial sectional view of electric pressure cooking saucepan stereoscopic-state of the present invention.
Fig. 2 is another structural representation of electric pressure cooking saucepan of the present invention.
Fig. 3 is the combined pressure switch perspective view of embodiment 1.
Fig. 4 is the side view of combined pressure switch among Fig. 3.
Fig. 5 is the front view of combined pressure switch among Fig. 3.
Fig. 6 is the combined pressure switch perspective view of embodiment 2.
Fig. 7 is the front view of combined pressure switch among Fig. 6.
Fig. 8 is the front view of the combined pressure switch of embodiment 3.
The specific embodiment
Be further described below in conjunction with the accompanying drawing specific embodiments of the invention.
Embodiment 1:
As Fig. 1, shown in Figure 2 be a kind of electric pressure cooking saucepan, comprise a pot body, pot cover 1, interior pot 2 and outer pot 3.Be provided with sealing ring 4 between pot cover 1 and the interior pot 2; Be provided with electric hot tray 5 between interior pot 2 and the outer pot 3; Elastic metal sheet 6 is installed as flexible member between electric hot tray 5 and the outer pot 3; Combined pressure switch 7 is fixed on the electric hot tray 5 through shift transmission part 51, and shift transmission part 51 is structure as a whole with electric hot tray 5.Pressure switch support 8 is housed on the outer pot, is used to touch combined pressure switch 7, thereby make corresponding pressure control switch produce response.Also be provided with pressure-regulating device 81 on the pressure switch support 8, be used to regulate the initial pressure value of pressure control switch of first triggering of combined pressure switch 7.In addition, electric pressure cooking saucepan also comprises a pressure selecting arrangement, and this device is connected with the combined pressure switch, is used for the force value of selected needs, controls the work or the disconnection of electric hot tray 5 then.
Like Fig. 3, Fig. 4 and the combined pressure switch 7 that discloses a kind of structure shown in Figure 5, combined pressure switch 7 comprises a shared switch base 9, is arranged on first pressure control switch and second pressure control switch at same level height place on the switch base 9.First pressure control switch and second pressure control switch comprise the first pressure reed 72, the second pressure reed 73 that is in sustained height, and first pressure contact 76, second pressure contact 77 that are in sustained height.The shared shake-up shell fragment 71 of first pressure control switch and second pressure control switch.Can certainly adopt each self-corresponding shake-up shell fragment; But the advantage that adopts shared shake-up shell fragment 71 is not only can simplified structure; And can guarantee to touch shell fragment in same level height, ensure the accuracy when pressure difference value is adjusted between each pressure control switch.In addition, on the first pressure reed 72, the second pressure reed 73, be connected with first respectively and touch connecting rod 78 and second and touch connecting rod 79, their other end is aimed at and is touched shell fragment 71.
Fig. 4, Fig. 5 show that first pressure contact 76 and second pressure contact 77 also are on the same horizontal plane; Touch shell fragment 71 and touch connecting rod 79 (being that they are different with the far and near distance of pairing pressure contact) through the first shake-up connecting rod 78 and second that front and back are provided with; Be connected with the second pressure reed 73 with the first pressure reed 72 respectively, act on the corresponding pressure reed 72,73 thereby form the different arm of forces.The front end face of the first pressure adjusting nut 74, the second pressure adjusting nut 75 contacts with the first pressure reed 72 and the second pressure reed 73 respectively; Through regulate the first pressure adjusting nut 74, the second pressure adjusting nut 75 is realized the high pressure of combined pressure switches 7 and the pressure difference value between the low pressure, as is set in 50 kPa.
The operation principle of present embodiment is: after first pressure control switch on the combined pressure switch 7 and the pressure difference value on second pressure control switch are set; Combined pressure switch 7 is fixed on the heat-generating disc 5; Pressure switch support 8 is provided with pressure-regulating device 81, and this pressure-regulating device is that front end face is over against an adjusting nut that touches shell fragment 71.Through regulating pressure-regulating device 81, set the first pressure control switch pressure or the second pressure controlled pressure switch pressure of product, as set the first pressure control switch pressure 80kPa, promptly the second pressure controlled pressure switch controlled pressure is 30 kPa; Realized the control of two kinds of culinary arts of high-low pressure pressure, to adapt to more food and culinary art effect requirements.In the course of the work; Behind pressure selector switch selection culinary art pressure, start electric hot tray 5 heating, along with the rising of cooking temp; Between pot cover 1 and interior pot 2, formed a hermetic cavity body; In pot 2 promote the effect of pressure under electric hot tray 5 make be arranged on 5 and outer pot 3 between elastic metal sheet 6 strains take place, electric hot tray 5 produces displacements downwards, is arranged on shift transmission part 51 on the electric hot tray 5 and drives and be fixed on the combined pressure switch 7 that heat coils and move down; Promote the first pressure controlled pressure switch and the second pressure controlled pressure switch motion simultaneously through touching shell fragment 71; If the culinary art pressure that the user selects is low pressure, then when the first pressure reed touches to first pressure contact action disconnection, cuts off electric hot tray 5 work and stop heating.When pressure descended, elastic metal sheet 6 resetted, and shift transmission part moves up, movable contact on the first pressure reed 72 of release combined pressure switch 7 and 76 actions of first pressure contact, and electric hot tray 5 restarts heating, so repeatedly, finishes up to culinary art.Otherwise when selecting second pressure control switch, promptly control whole cooking process through the action of the movable contact on the second pressure reed 73 and second pressure contact 77.
Therefore, in the present embodiment, different force value mainly is to act on the corresponding pressure reed 72,73 and realize through forming the different arm of forces.Simultaneously, finely tune, the difference of its pressure is adjusted to a definite value through each self-corresponding pressure adjusting nut 74,75.After being assembled on the electric pressure cooking saucepan at last, setting through the initial pressure value of 81 pairs of whole combined pressure switches of pressure-regulating device.
Embodiment 2:
The structural principle of present embodiment and embodiment 1 is basic identical; The structure of the combined pressure switch 7 that difference is to adopt is different.Embodiment 1 is on the same horizontal plane like Fig. 4, first pressure contact 76 shown in Figure 5 and second pressure contact 77; Touch shell fragment 71 through tandem shake-up connecting rod 78 and shake-up connecting rod 79; Be connected with the second pressure reed 73 with the first pressure reed 72 respectively, act on the pressure reed 72,73 thereby form the different arm of forces.In the present embodiment; Like Fig. 6, shown in Figure 7 with to touch the first pressure connecting rod 78 and the second pressure connecting rod 79 that shell fragment 71 contacts one high and one low; They are connected with the second pressure reed 73 with the first pressure reed 72 of same size respectively; They are consistent with the far and near distance of first pressure contact 76 and second pressure contact 77, and carry out the fine setting of pressure by the first pressure adjusting nut 74, the second pressure adjusting nut 75 of different size.The front end face of the first pressure adjusting nut 74, the second pressure adjusting nut 75 contacts with the first pressure reed 72 and the second pressure reed 73 respectively, realizes that through regulating the first pressure adjusting nut 74, the second pressure adjusting nut 75 pressure difference value between high pressure and the low pressure sets; Thereby realize the purpose of high-low pressure control, remainder is consistent with embodiment 1.
Embodiment 3:
The structural principle of present embodiment and embodiment 1 is basic identical; The structure of the combined pressure switch 7 that is outside the difference to adopt is different.As shown in Figure 8, on the basis of embodiment 1, increased by the 3rd pressure control switch, said the 3rd pressure control switch comprises that the 3rd pressure touches connecting rod 93, the 3rd pressure reed 92, the 3rd pressure adjusting nut 91, is used to carry out the selection of the 3rd pressure; Thereby realized the pressure controlled purpose of multistage.The 3rd pressure touch the height of connecting rod 93 can embodiment 1 or embodiment 2 in shake-up connecting rod 78,79 height or and pressure contact between far and near distance all inconsistent; It in fact also is to act on the corresponding pressure reed 72,73,92 and realize through forming the different arm of forces, thereby obtains another kind of optional pressure value.
In the present embodiment, can adopt three different shake-up shell fragments to come to touch respectively three pressure control switch; Also can adopt two different shake-up shell fragments, wherein a slice is used for touching wherein two pressure control switch, and wherein a slice is used to touch a remaining pressure control switch; Perhaps three shared a slices of pressure control switch are touched shell fragment.
Claims (8)
1. combined pressure switch; Said combined pressure switch comprises switch base (9), is arranged on the pressure control switch and the shared shake-up shell fragment (71) of each pressure control switch of the two or more control different pressures on the same level height of this switch base (9); In the course of work, touch shell fragment and successively touch different pressure control switch; It is characterized in that: said pressure control switch comprises pressure reed, pressure contact; All the pressure reed of pressure control switch is in same level height, and pressure contact is in another par height; Be respectively equipped with the pressure connecting rod on each pressure reed, the other end of pressure connecting rod is corresponding with the shake-up shell fragment; The height of each pressure control switch upward pressure connecting rod is consistent; And the pressure connecting rod is different with the distance of each self-corresponding pressure contact; Perhaps each pressure control switch upward pressure connecting rod is identical with the distance of each self-corresponding pressure contact; And height separately is different, and perhaps the height of each pressure control switch upward pressure connecting rod is inconsistent, and also inequality with the distance of each self-corresponding pressure contact.
2. according to the said combined pressure switch of claim 1, it is characterized in that: said pressure control switch is microswitch or bimetal leaf flash switch.
3. combined pressure switch according to claim 1 and 2 is characterized in that: be respectively equipped with the pressure adjusting nut on each pressure control switch.
4. combined pressure switch according to claim 3; It is characterized in that: said pressure adjusting nut is arranged on the switch base; The front end of each pressure adjusting nut is corresponding with the pressure reed of each pressure control switch respectively, and changes the distance between they and the pressure reed through regulating the pressure adjusting nut.
5. combined pressure switch according to claim 4 is characterized in that: said pressure reed is same specification or different size.
6. an electric pressure cooking saucepan comprises a pot body, interior pot, outer pot and electric hot tray, and electric hot tray is arranged between interior pot and the outer pot; It is characterized in that: said pot body is provided with the pressure selecting arrangement; Be connected with each described combined pressure switch of claim 1 to 4 on the electric hot tray, said pressure selecting arrangement is electrically connected with the combined pressure switch, and said outer pot bottom is provided with pressure switch support (8); In the said electric pressure cooking saucepan pressure uphill process; Pressure switch support (8) touches the shake-up shell fragment of combined pressure switch, makes the combined pressure switch motion, and controls electric hot tray work according to the selection of pressure selecting arrangement.
7. electric pressure cooking saucepan according to claim 6 is characterized in that: said pressure switch support (8) is provided with pressure-regulating device (81).
8. electric pressure cooking saucepan according to claim 7 is characterized in that: each pressure control switch of said combined pressure switch is regulated through same pressure-regulating device (81) or each self-corresponding pressure-regulating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110031358A CN102068198B (en) | 2011-01-28 | 2011-01-28 | Combined pressure switch and electric pressure cooker using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110031358A CN102068198B (en) | 2011-01-28 | 2011-01-28 | Combined pressure switch and electric pressure cooker using same |
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| CN102068198A CN102068198A (en) | 2011-05-25 |
| CN102068198B true CN102068198B (en) | 2012-09-12 |
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| CN201110031358A Active CN102068198B (en) | 2011-01-28 | 2011-01-28 | Combined pressure switch and electric pressure cooker using same |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102751137B (en) * | 2012-07-21 | 2015-03-25 | 佛山市利安达电器有限公司 | Abreast double pressure travel switch |
| CN107212734A (en) * | 2016-03-22 | 2017-09-29 | 浙江绍兴苏泊尔生活电器有限公司 | control method of pressure cooker |
| CN109148183A (en) * | 2018-11-07 | 2019-01-04 | 佛山市利安达电器有限公司 | A kind of double-pressure travel switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200970121Y (en) * | 2006-11-20 | 2007-11-07 | 佛山市顺德区爱德电器有限公司 | High and low voltage selecting controller of electric pressure cooker |
| EP1950546A1 (en) * | 2005-10-25 | 2008-07-30 | Guangdong Elecpro Electric Appliance Holding Co., Ltd. | A pressure-detection method and detection device for eletric pressure cooker |
| CN201532903U (en) * | 2009-10-29 | 2010-07-21 | 九阳股份有限公司 | Electric pressure cooker and combined type pressure switch thereof |
| CN201958650U (en) * | 2010-12-24 | 2011-09-07 | 九阳股份有限公司 | Multi-stage pressure adjusting electric pressure cooker and combined type flicker switch thereof |
| CN201994238U (en) * | 2011-01-28 | 2011-09-28 | 美的集团有限公司 | Combined pressure switch and electric pressure cooker using same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7718928B2 (en) * | 2006-12-15 | 2010-05-18 | Zhigang He | Multifunction and safe electric pressure cooker |
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- 2011-01-28 CN CN201110031358A patent/CN102068198B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1950546A1 (en) * | 2005-10-25 | 2008-07-30 | Guangdong Elecpro Electric Appliance Holding Co., Ltd. | A pressure-detection method and detection device for eletric pressure cooker |
| CN200970121Y (en) * | 2006-11-20 | 2007-11-07 | 佛山市顺德区爱德电器有限公司 | High and low voltage selecting controller of electric pressure cooker |
| CN201532903U (en) * | 2009-10-29 | 2010-07-21 | 九阳股份有限公司 | Electric pressure cooker and combined type pressure switch thereof |
| CN201958650U (en) * | 2010-12-24 | 2011-09-07 | 九阳股份有限公司 | Multi-stage pressure adjusting electric pressure cooker and combined type flicker switch thereof |
| CN201994238U (en) * | 2011-01-28 | 2011-09-28 | 美的集团有限公司 | Combined pressure switch and electric pressure cooker using same |
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| CN102068198A (en) | 2011-05-25 |
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Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
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Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: Midea Group |