CN102008227B - Pressure sensor for heating container - Google Patents
Pressure sensor for heating container Download PDFInfo
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- CN102008227B CN102008227B CN2010102899288A CN201010289928A CN102008227B CN 102008227 B CN102008227 B CN 102008227B CN 2010102899288 A CN2010102899288 A CN 2010102899288A CN 201010289928 A CN201010289928 A CN 201010289928A CN 102008227 B CN102008227 B CN 102008227B
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- cylinder barrel
- pressure sensor
- piston
- heating container
- drive link
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Abstract
The invention relates to a pressure sensor for a heating container, comprising a cylinder barrel with a lower opening, a piston, a pressure spring, a transmission rod and a signal generating device, wherein an axial guiding slot is arranged on the wall of the cylinder barrel, a clamp slot is arranged on the inner wall of the lower opening, and an elastic clamp ring with a gap is arranged in the clamp slot; the piston is arranged in the cylinder barrel and used for sealing liquid, and the pressure spring is arranged between the top of the piston and a top plate of the cylinder barrel; one end of the transmission rod is fixedly connected with the piston, the other end of the transmission rod is matched with the signal generating device, and the transmission rod is in sliding fit with the guiding slot; and the lower opening of the cylinder barrel is communicated with an inner cavity of the heating container. Due to the adoption of the structure, when the pressure of steam in the heating container gradually rises, the signal generating device outputs electric signals which are then transmitted to a control device of the heating container, therefore, the automatic control is realized. The pressure sensor has the characteristics of accuracy and reliability and energy saving; and when the pressure sensor is applied to an electric pressure cooker, the electric pressure cooker is free from air exhaust, therefore, the pressure sensor achieves the purpose of energy saving.
Description
Technical field
The present invention relates to a kind of pressure sensor, especially a kind of pressure sensor that is used for heating container.
Background technology
Present prior art, heating container such as electric pressure cooking saucepan, during use, the pressure in the inner bag reaches certain pressure, and heat-generating disc sinks to triggering pressure switch, reaches the purpose of the automatic outage control of control.
Summary of the invention
The objective of the invention is: the pressure sensor that provides a kind of heating container to use, it can change into signal of telecommunication output with the pressure in the heating container effectively, makes heating container control more accurate.
The present invention is achieved in that the pressure sensor that a kind of heating container is used, and its special character is: it comprises cylinder barrel, piston, compression spring, drive link and the signal generation apparatus with under shed;
One axial gathering sill is arranged on the wall of cylinder barrel, a draw-in groove is arranged on the inwall of lower opening, be provided with notched snap ring in the draw-in groove, the snap ring support piston; Piston is arranged in the cylinder barrel and the liquid hermetic seal, and compression spring is arranged between the top board of top and cylinder barrel of piston; Drive link one end is fixedly connected with piston, and the drive link other end cooperates with signal generation apparatus, and drive link and gathering sill are slidingly matched;
The under shed of cylinder barrel is communicated with the inner chamber of heating container.
The pressure sensor that described a kind of heating container is used, its special character is: on the said cylinder barrel relief hole is arranged.
The pressure sensor that described a kind of heating container is used, its special character is: externally threaded interface is with in the bottom of the flange on the under shed of said cylinder barrel, also comprises a clamp nut, and clamp nut is threaded with interface.
The pressure sensor that described a kind of heating container is used, its special character is: said piston has the cavity of an axial under shed, and a blind hole is arranged at the top of piston, and blind hole is as spring pedestal;
The lower end of compression spring embeds in the blind hole.
The pressure sensor that described a kind of heating container is used, its special character is: blind hole in is arranged on the inner surface of the top board of cylinder barrel, and the upper end of compression spring embeds in the interior blind hole.
The pressure sensor that described a kind of heating container is used, its special character is: said signal generation apparatus comprises a resistor disc, a plain conductor, a base and a travelling arm; Resistor disc and plain conductor laterally arrange on same plane, and are fixed on the base;
Said drive link is fixedly connected with an end of travelling arm, and the other end of travelling arm cooperates with resistor disc and plain conductor.
The pressure sensor that described a kind of heating container is used, its special character is: said drive link is made up of guide post and drive rod, and guide post is fixedly connected with piston, and guide post and gathering sill are slidingly matched, and drive rod is fixedly connected with travelling arm.
The pressure sensor that described a kind of heating container is used, its special character is: said signal generation apparatus comprises that one is arranged on upper rack, gear and the rotary encoder of drive link;
Rotary encoder is fixed on the base, and gear is fixedly connected with the rotating shaft of rotary encoder, and wheel and rack cooperates.
The pressure sensor that described a kind of heating container is used, its special character is: said signal generation apparatus comprises that one is arranged on upper rack, gear and the rotating potentiometer of drive link;
Rotating potentiometer is fixed on the base, and gear is fixedly connected with the rotating shaft of rotating potentiometer, and wheel and rack cooperates.
The pressure sensor that described a kind of heating container is used, its special character is: said signal generation apparatus is a direct slide potentiometer; Linear sliding potentiometer is fixed on the base; The cursor slide of linear sliding potentiometer is fixedly connected with an end of drive link.
The pressure sensor that described a kind of heating container is used, its special character is: also comprise an outer cover, said outer cover is by the cylindrical shell of parcel cylinder barrel, the pedestal of the hollow that is communicated with cylinder lumen, the cover plate formation of end flange and sealing pedestal opening;
Cylinder barrel is positioned at cylindrical shell, and the inner chamber of pedestal is relative with the gathering sill on the cylinder barrel, and an end of drive link moves in pedestal, and end flange is fixedly connected with the flange of cylinder barrel; On the signal generation apparatus securing cover plate, the opening of cover plate and pedestal removably connects;
Also have on the outer cover with cylinder barrel on the pressure guide hole that is communicated with of relief hole.
The pressure sensor that a kind of heating container of the present invention is used, owing to adopt such structure, the steam pressure in heating container rises gradually, the signal generation apparatus output signal of telecommunication, the signal of telecommunication is delivered to the control device of heating container then, realizes control automatically.It has accurately and reliably, realizes energy-conservation characteristics, when being applied to electric pressure cooking saucepan, makes electric pressure cooking saucepan exempt from exhaust, thereby reaches purpose of energy saving.
Description of drawings
Fig. 1 is a three-dimensional exploded view of the present invention.
Fig. 2 is a cutaway view of the present invention.
Fig. 2-the 1st one of schemes in the dynamic process of the present invention.
Fig. 2-the 2nd, scheme in the dynamic process of the present invention two.
Fig. 3 is a stereogram of the present invention.
Fig. 4 is the location diagram of resistor disc of the present invention and plain conductor.
Fig. 5 is the three-dimensional exploded view of second kind of embodiment of the present invention.
Fig. 6 is the stereogram of the drive link of second kind of embodiment of the present invention.
Fig. 7 is the three-dimensional exploded view of the signal generation apparatus of second kind of embodiment of the present invention.
Fig. 8 is the three-dimensional exploded view of the third embodiment of the present invention.
Fig. 9 is the stereogram of the signal generation apparatus of the third 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, shown in Figure 4, the pressure sensor that a kind of heating container is used, it comprises cylinder barrel 1, piston 2, compression spring 3, drive link 4 and the signal generation apparatus with under shed;
One axial gathering sill 11 is arranged on the wall of cylinder barrel 1, a draw-in groove 15 is arranged on the inwall of lower opening, as shown in Figure 2, be provided with notched snap ring 16 in the draw-in groove, snap ring 16 support piston 2; Piston 2 is arranged between the top board of draw-in groove 15 to cylinder barrel 1 in the cylinder barrel and the liquid hermetic seal, and compression spring 3 is arranged between the top board of top and cylinder barrel 1 of piston 2; Drive link 4 one ends are fixedly connected with piston 2, and drive link 4 other ends cooperate with signal generation apparatus, and drive link 4 is slidingly matched with gathering sill 11;
Notched snap ring 16 effects are support piston 2, prevent that piston 2 from separating with cylinder barrel 1.
The under shed of cylinder barrel 1 is communicated with the inner chamber of heating container.
Externally threaded interface 12 is with in the bottom of the flange on the under shed of said cylinder barrel 1, also comprises a clamp nut 13, and clamp nut 13 is threaded with interface 12, and cylinder barrel 1 and heating container are removably connected.
Said piston 2 has the cavity 21 of an axial under shed, and a blind hole 22 is arranged at the top of piston 2, and blind hole is as spring pedestal;
The lower end of compression spring 3 embeds in the blind hole 22.In order to make compression spring 3 solid and reliable, blind hole (not shown) in is arranged on the inner surface of the top board of cylinder barrel 1, the upper end of compression spring 3 embeds in the interior blind hole.
Do further to improve, on the said cylinder barrel 1 relief hole 14 is arranged.
Like Fig. 1, shown in Figure 4, said signal generation apparatus comprises a resistor disc 51, a plain conductor 52, a base 53 and a travelling arm 54; Resistor disc 51 laterally arranges on same plane with plain conductor 52, and is fixed on the base 53, and base 53 is fixed on the cylinder barrel;
Said drive link 4 is fixedly connected with an end of travelling arm 54, and the other end of travelling arm 54 cooperates with resistor disc 51 and plain conductor 52.
Said drive link 4 is made up of guide post 41 and drive rod 42, and guide post 41 is fixedly connected with piston 2, and guide post 41 is slidingly matched with gathering sill 11, and drive rod 42 is fixedly connected with travelling arm 54.
In use, cylinder barrel 1 is fixedly connected with heating container, and the inner chamber of cylinder barrel 1 communicates with the heating container inner chamber.Steam in the heating container promotes the resistance that piston 2 overcomes compression spring 3, moves up; Meanwhile, drive link 4 drives travelling arm 54 and slides at resistor disc 51 and plain conductor 52, and at this moment, the signal of changes in resistance passes to the control device of heating container; Fig. 1 is the cutaway view of original state, and Fig. 2-the 1st one of schemes in the dynamic process, the state from the state of Fig. 1 to Fig. 2, and displacement has taken place in travelling arm 54, has exported changes in resistance.Said resistance can rise gradually, also possibly descend gradually.
Fig. 2-the 2nd, at limiting condition figure, when the control device of heating container damaged or fault is arranged, the relief hole 14 on the cylinder barrel 1 was in communication with the outside, and the steam of releasing reduces the pressure in the heating container, when on electric pressure cooking saucepan, using, can prevent quick-fried pot phenomenon.
Further improve as of the present invention: also comprise an outer cover 6, said outer cover 6 is by the cylindrical shell 61 of parcel cylinder barrel 1, the pedestal 62 of the hollow that is communicated with cylindrical shell 1 inner chamber, cover plate 64 formations of end flange 63 and sealing pedestal opening;
Also have on the outer cover 6 with cylinder barrel 1 on pressure guide hole 65, one rubber tubes 66 that are communicated with of relief hole 14 pressure guide hole 65 is communicated with relief hole 14.
Like Fig. 5, Fig. 6, shown in Figure 7, said signal generation apparatus comprises that one is arranged on upper rack 43, gear 7 and the rotary encoder 55 of drive link 4;
Rotary encoder 55 product types: R38S
Manufacturer: A Pude electric Science and Technology Ltd. in Guangzhou produces.
The another kind of embodiment of present embodiment: said signal generation apparatus comprises that one is arranged on upper rack 43, gear 7 and a rotating potentiometer of drive link 4;
Rotating potentiometer is fixed on the base 53, and gear 7 is fixedly connected with the rotating shaft of rotating potentiometer, and gear 7 cooperates with tooth bar 43.
Like Fig. 8, shown in Figure 9, said signal generation apparatus is a direct slide potentiometer 56, and linear sliding potentiometer 56 is fixed on the base 53; Base 53 is fixed on the cover plate 64; Linear sliding potentiometer 56 is communicated with the control device of heating container.
The cursor slide 561 of linear sliding potentiometer 56 is fixedly connected with an end of drive link 4.
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 (9)
1. pressure sensor that heating container is used, it is characterized in that: it comprises cylinder barrel, piston, compression spring, drive link and the signal generation apparatus with under shed;
One axial gathering sill is arranged on the wall of cylinder barrel, a draw-in groove is arranged on the inwall of lower opening, be provided with notched snap ring in the draw-in groove, the snap ring support piston; Piston is arranged in the cylinder barrel and the liquid hermetic seal, and compression spring is arranged between the top board of top and cylinder barrel of piston;
Drive link one end is fixedly connected with piston, and the drive link other end cooperates with signal generation apparatus, and drive link and gathering sill are slidingly matched;
The under shed of cylinder barrel is communicated with the inner chamber of heating container;
Externally threaded interface is with in the bottom of the flange on the under shed of said cylinder barrel, also comprises a clamp nut, and clamp nut is threaded with interface;
Also comprise an outer cover, said outer cover is by the cylindrical shell of parcel cylinder barrel, the pedestal of the hollow that is communicated with cylinder lumen, the cover plate formation of end flange and sealing pedestal opening;
Cylinder barrel is positioned at cylindrical shell, and the inner chamber of pedestal is relative with the gathering sill on the cylinder barrel, and an end of drive link moves in pedestal, and end flange is fixedly connected with the flange of cylinder barrel;
On the signal generation apparatus securing cover plate, the opening of cover plate and pedestal removably connects.
2. the pressure sensor that a kind of heating container according to claim 1 is used is characterized in that: on the said cylinder barrel relief hole is arranged, also have on the outer cover with cylinder barrel on the pressure guide hole that is communicated with of relief hole.
3. the pressure sensor that a kind of heating container according to claim 1 is used is characterized in that: said piston has the cavity of an axial under shed, and a blind hole is arranged at the top of piston, and blind hole is as spring pedestal;
The lower end of compression spring embeds in the blind hole.
4. the pressure sensor that a kind of heating container according to claim 3 is used is characterized in that: blind hole in is arranged on the inner surface of the top board of cylinder barrel, and the upper end of compression spring embeds in the interior blind hole.
5. the pressure sensor of using according to claim 1,2,3 or 4 described a kind of heating containers, it is characterized in that: said signal generation apparatus comprises a resistor disc, a plain conductor, a base and a travelling arm; Resistor disc and plain conductor laterally arrange on same plane, and are fixed on the base, and base is fixing on the cover board;
Said drive link is fixedly connected with an end of travelling arm, and the other end of travelling arm cooperates with resistor disc and plain conductor.
6. the pressure sensor that a kind of heating container according to claim 5 is used is characterized in that: said drive link is made up of guide post and drive rod, and guide post is fixedly connected with piston, and guide post and gathering sill are slidingly matched, and drive rod is fixedly connected with travelling arm.
7. the pressure sensor of using according to claim 1,2,3 or 4 described a kind of heating containers is characterized in that: said signal generation apparatus comprises that one is arranged on upper rack, gear and the rotary encoder of drive link;
Rotary encoder is fixed on the base, and base is fixing on the cover board; Gear is fixedly connected with the rotating shaft of rotary encoder, and wheel and rack cooperates.
8. the pressure sensor of using according to claim 1,2,3 or 4 described a kind of heating containers is characterized in that: said signal generation apparatus comprises that one is arranged on upper rack, gear and the rotating potentiometer of drive link;
Rotating potentiometer is fixed on the base, and base is fixing on the cover board; Gear is fixedly connected with the rotating shaft of rotating potentiometer, and wheel and rack cooperates.
9. the pressure sensor of using according to claim 1,2,3 or 4 described a kind of heating containers is characterized in that: said signal generation apparatus is a direct slide potentiometer; Linear sliding potentiometer is fixed on the base, and base is fixing on the cover board;
The cursor slide of linear sliding potentiometer is fixedly connected with an end of drive link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102899288A CN102008227B (en) | 2010-09-15 | 2010-09-15 | Pressure sensor for heating container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102899288A CN102008227B (en) | 2010-09-15 | 2010-09-15 | Pressure sensor for heating container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102008227A CN102008227A (en) | 2011-04-13 |
| CN102008227B true CN102008227B (en) | 2012-03-28 |
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ID=43838724
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102899288A Expired - Fee Related CN102008227B (en) | 2010-09-15 | 2010-09-15 | Pressure sensor for heating container |
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| Country | Link |
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| CN (1) | CN102008227B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102334905B (en) * | 2011-06-27 | 2013-09-11 | 乔林友 | Signal acquisition output and safety protection device of heating container |
| CN102334907B (en) * | 2011-08-08 | 2013-11-20 | 乔林友 | Signal collection control device of contact type electric pressure cooker |
| CN202268266U (en) * | 2011-09-26 | 2012-06-06 | 雷通科技发展有限公司 | Rotating control mechanism for electric tools |
| CN102525260B (en) * | 2011-10-24 | 2014-09-17 | 乔林友 | Sealing type electric pressure cooker with embedded cooker cover |
| CN103376179B (en) * | 2012-04-12 | 2016-08-10 | 浙江三花股份有限公司 | A kind of pressure transducer |
| CN103158957B (en) * | 2013-03-06 | 2015-10-28 | 三一重工股份有限公司 | Powder tank and pressure test device, mixing plant |
| CN203424777U (en) * | 2013-07-29 | 2014-02-12 | 乔林友 | Pressure cooker with pressure sensor isolated from interior of cooker |
| CN107219027B (en) * | 2017-07-17 | 2024-06-11 | 合肥皖科智能技术有限公司 | Encapsulation structure of ceramic capacitor pressure sensor |
| CN107953561A (en) * | 2017-12-30 | 2018-04-24 | 福州万象三维电子科技有限公司 | 3 D-printing assistance platform |
Family Cites Families (6)
| 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. |
| ES2577305T3 (en) * | 2006-07-25 | 2016-07-14 | Wmf Group Gmbh | Pressure cooker |
| CN201066317Y (en) * | 2007-08-17 | 2008-05-28 | 佛山市富士宝电器科技有限公司 | Pressure detection device for electric pressure pan |
| CN101555923B (en) * | 2009-05-27 | 2010-09-08 | 陈蕊建 | Shock absorber piston assembly and self-adjusting damping shock absorber comprising same |
| 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 |
| CN201790567U (en) * | 2010-09-15 | 2011-04-13 | 乔林友 | Pressure sensor for heating container |
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2010
- 2010-09-15 CN CN2010102899288A patent/CN102008227B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN102008227A (en) | 2011-04-13 |
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Granted publication date: 20120328 Termination date: 20160915 |
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