CN100586349C - Electric pressure cooking saucepan capable of controlling the pressure automatically - Google Patents
Electric pressure cooking saucepan capable of controlling the pressure automatically Download PDFInfo
- Publication number
- CN100586349C CN100586349C CN200610124297A CN200610124297A CN100586349C CN 100586349 C CN100586349 C CN 100586349C CN 200610124297 A CN200610124297 A CN 200610124297A CN 200610124297 A CN200610124297 A CN 200610124297A CN 100586349 C CN100586349 C CN 100586349C
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- China
- Prior art keywords
- pressure
- pot cover
- cross bar
- cooking saucepan
- switch
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- Expired - Fee Related
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Abstract
The invention discloses an electric pressure cooker which can automatically control the pressure, comprising a cooker body, a cover, a heating plate and a control circuit. A pressure-limiting switch connected with the control circuit is equipped on the cooker body; a switch trigger device corresponding with the pressure-limiting switch is equipped on the cover. The switch trigger device comprisesa cross bar and a trigger. One end of the cross bar is fixed on the non-central position in the cover, the other end of the cross bar is connected with the trigger over the cover. The installation position of the trigger corresponds with the pressure-limiting switch. The invention utilizes the deformation of the cover self when heated to control whether the heating plate should work or not. The invention has the advantages that the invention simplifies components of the pressure-controlling device of the electric pressure cooker and reduces the failure chance of the pressure-controlling device; the invention is also characterized in that the cooker is easy and safe to operate, the simplified structure thereof enhances the production efficiency and is convenient to clean, and can satisfy each basic need of customers, which ensures a broad market prospect for the product.
Description
Technical field
The invention belongs to the technical field of electric pressure cooking saucepan.
Background technology
Electric pressure cooking saucepan relies on its high efficiency and energy saving to be greatly favored by consumers always.Yet the high pressure in the pressure cooker is a potential safety hazard all the time, controls the improper incident of blasting easily, therefore accurately controls the pressure in the pot, is the key of safe handling pressure cooker.
The electric pressure cooking saucepan in past generally adopts the lower controlling type structure, between heat-generating disc and stay-warm case, be provided with in realizing pot with stay-warm case between elastic supporting mechanisms such as the corrugated plating that is connected of elasticity or disk spring, by these elastic supporting mechanisms the pressure that produces in the interior pot is delivered to heat-generating disc, heat-generating disc extruding elastic supporting mechanism, make between heat-generating disc and the stay-warm case and produce relative displacement, thereby make the pressure control device action that is installed between heat-generating disc bottom stay-warm case and the shell, with the connecting and disconnecting of control heat-generating disc, reach the purpose of control inner pot pressure.Yet these elastic supporting mechanism complex structures such as corrugated plating or disk spring, processing and installation are not easy, and production cost is higher, and influence is promoted the use of; And pressure control device is installed on its installation and maintenance inconvenience between heat-generating disc bottom stay-warm case and the shell.
In recent years electric pressure cooking saucepan generally adopts the upper control type structure, between pot cover and pot body switch and the switch trigger gear be electrically connected with heat-generating disc is set, and makes it be switched on or switched off switch with the pressure pull switch flip flop equipment in the pot, controls heat-generating disc work.My utility model patent 200520055289.3 for example, but a kind of pressure regulation auto-electronic pressure cooker is disclosed, in the pot body, be provided with the annular seal space of forming by pot courage, pot cover, sealing ring, and can be to the electric heater of pot courage heating, have the through hole that communicates with annular seal space on its pot cover, be fixed with the up elastic component of deformation of pressurized on the through hole, also be provided with the switching device that can be controlled by elastic component and open or turn-off on the pot body outside the annular seal space, switching device is electrically connected with electric heater.Yet elastic component that it adopts and lever construction complexity, parts are many, processing time consuming, production efficiency is low, the cost height; And pot cover has circuit to be connected with pot between the body, and pot cover can not take out cleaning from the pot body, influence health and result of use.
Also have utility model patent 200520056869.4 disclosed a kind of auto-electronic pressure cookers, comprise pot cover, pot cover retaining mechanism, sealing ring, shell, middle pot, interior pot, heat-generating disc, temperature regulating device, timing means, heating circuit, it is provided with the pressure control device of being made up of sealing pressure valve, leverage, magnet and tongue tube, wherein sealing pressure valve, leverage and magnet are arranged on the pot cover and by folding lid handle and seal, and the spool of sealing pressure valve is connected with magnet by leverage; Corresponding to folding lid handle He Gai position the tongue tube that is started by above-mentioned magnet is housed in the pot body, tongue tube is electrically connected with the heating circuit.Though this has solved pot cover and the circuit problem of pot between the body, however its lever construction that still adopts remain with above-mentioned my utility patent in lever construction basic identical, complex structure; And the working pressure valve uses damage easily malfunctioning as the drive source of lever construction because pressure valve is long-term, and this moment, this lever construction can not normally disconnect the heating circuit, lacked the reserve guarantee, and security is lower.
Summary of the invention
At the problems referred to above, the invention provides a kind of simple in structurely, cost is low, the production efficiency height, the safety coefficient height is easy to promote automatic pressure-controlled electric pressure cooking saucepan for ease of maintenaince.
A kind of automatic pressure-controlled electric pressure cooking saucepan, comprise a pot body, pot cover, heat-generating disc and control circuit, the pot body is provided with the pressure limiting switch that is electrically connected with control circuit, pot cover is provided with the switch trigger gear with the corresponding setting of pressure limiting switch, wherein pot cover is made up of shell and inner panel, and switch trigger gear is made up of cross bar and triggering part, and an end of cross bar is fixed on the non-middle position of pot cover inner panel, the other end is crossed over the pot cover inner panel and is connected with the triggering part, and the installation site of triggering part is corresponding with the pressure limiting switch.
Described triggering part is a magnet.
Described pressure limiting switch is a magnetic switch.
Described pot cover is in the projection that is provided with restriction cross bar displacement increasing degree near a side that triggers part.
Described pot cover inner panel is an elastic metal sheet.
Described cross bar welds mutually with the pot cover inner panel.
Described cross bar is riveted mutually with the pot cover inner panel.
The present invention utilizes the thermal deformation that is subjected to of electric pressure cooking saucepan pot cover self, whether the work of control heat-generating disc, simplified the part of electric pressure cooking saucepan pressure control device in the past, reduced the chance that pressure control device breaks down, safe and reliable, simple structure has improved production efficiency, and is convenient to cleaning, can satisfy every basic demand of user, market prospects are wide.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Fig. 1 is atmospheric pressure state figure of the present invention;
Fig. 2 is high pressure conditions figure of the present invention.
The specific embodiment
As illustrated in fig. 1 and 2, a kind of automatic pressure-controlled electric pressure cooking saucepan of the present invention, comprise pot body 1, pot cover 2, heat-generating disc 3 and control circuit, pot body 1 is provided with the pressure limiting magnetic switch 4 that is electrically connected with control circuit, pot cover 2 is provided with the switch trigger gear 5 with the 4 corresponding settings of pressure limiting magnetic switch, wherein switch trigger gear 5 is made up of cross bar 51 and magnet triggering part 52, one end of cross bar 51 is fixed on the non-middle position of pot cover 2, the other end is crossed over pot cover 2 and is connected with magnet triggering part 52, and the installation site of magnet triggering part 52 is corresponding with pressure limiting magnetic switch 4.
Pot cover inner panel 22 is elastic metal sheets.
Operation principle: as shown in Figure 1, electric pressure cooking saucepan of the present invention is under atmospheric pressure state, and the cross bar 51 on pot cover inner panel 22 and the pot cover keeps the horizontal parallel states, and magnet triggers part 52 near magnetic switch 4, and circuit is connected, heat-generating disc 3 operate as normal.Along with temperature raises, pressure increases gradually in the pot, pot cover inner panel 22 pressurizeds, push up into the arcuation of Fig. 2 by the level of Fig. 1, be fulcrum with the point of contact between cross bar 51 and the arcuation inner panel 22 this moment, and cross bar 51 triggers the end position rising that part 52 is connected with magnet, and magnet triggers part 52 away from magnetic switch 4, circuit disconnects, and heat-generating disc 3 quits work.
When pot cover 2 was incorporated into the tram with pot body 1 turn buckle during use, magnet triggered part 52 and places on the magnetic switch 4, makes it to be in on-state, pressed the starting button this moment and just can switch on heat-generating disc 3 operate as normal are generated heat; When pot cover 2 fastened less than the tram with pot body 1, magnet triggered part 52 away from magnetic switch 4, and its magnetic force is not enough to connect magnetic switch 4, heat-generating disc 3 heating of can not working, and interior pot does not produce pressure, prevents the accident generation of pot body blast or dry combustion method.
Claims (7)
1, a kind of automatic pressure-controlled electric pressure cooking saucepan, comprise a pot body, pot cover, heat-generating disc and control circuit, the pot body is provided with the pressure limiting switch that is electrically connected with control circuit, pot cover is provided with the switch trigger gear with the corresponding setting of pressure limiting switch, it is characterized in that: described pot cover is made up of shell and inner panel, switch trigger gear is made up of cross bar and triggering part, one end of cross bar is fixed on the non-middle position of pot cover inner panel, the other end is crossed over the pot cover inner panel and is connected with the triggering part, and the installation site of triggering part is corresponding with the pressure limiting switch.
2, automatic pressure-controlled electric pressure cooking saucepan according to claim 1 is characterized in that: described triggering part is a magnet.
3, automatic pressure-controlled electric pressure cooking saucepan according to claim 1 is characterized in that: described pressure limiting switch is a magnetic switch.
4, automatic pressure-controlled electric pressure cooking saucepan according to claim 1 is characterized in that: described pot cover is in the projection that is provided with restriction cross bar displacement increasing degree near a side that triggers part.
5, automatic pressure-controlled electric pressure cooking saucepan according to claim 1 is characterized in that: described pot cover inner panel is an elastic metal sheet.
6, automatic pressure-controlled electric pressure cooking saucepan according to claim 1 is characterized in that: described cross bar welds mutually with the pot cover inner panel.
7, automatic pressure-controlled electric pressure cooking saucepan according to claim 1 is characterized in that: described cross bar is riveted mutually with the pot cover inner panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610124297A CN100586349C (en) | 2006-12-19 | 2006-12-19 | Electric pressure cooking saucepan capable of controlling the pressure automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610124297A CN100586349C (en) | 2006-12-19 | 2006-12-19 | Electric pressure cooking saucepan capable of controlling the pressure automatically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101204291A CN101204291A (en) | 2008-06-25 |
| CN100586349C true CN100586349C (en) | 2010-02-03 |
Family
ID=39564949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610124297A Expired - Fee Related CN100586349C (en) | 2006-12-19 | 2006-12-19 | Electric pressure cooking saucepan capable of controlling the pressure automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100586349C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110547673B (en) * | 2018-06-01 | 2022-01-14 | 佛山市顺德区美的电热电器制造有限公司 | Power switch assembly, cover body assembly and cooking utensil |
-
2006
- 2006-12-19 CN CN200610124297A patent/CN100586349C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101204291A (en) | 2008-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20121219 |