CN201452912U - Closed cover detection device of electric cooker - Google Patents
Closed cover detection device of electric cooker Download PDFInfo
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- CN201452912U CN201452912U CN2009200584657U CN200920058465U CN201452912U CN 201452912 U CN201452912 U CN 201452912U CN 2009200584657 U CN2009200584657 U CN 2009200584657U CN 200920058465 U CN200920058465 U CN 200920058465U CN 201452912 U CN201452912 U CN 201452912U
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- magnetic
- cooker
- electric food
- magnet
- food warmer
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Abstract
The utility model relates to a closed cover detection device of an electric cooker, which comprises an outer cooker and a cooker cover, wherein the cooker cover can be screwed and fixed on the raised edge of the external side of the top of the outer cooker through fastening teeth on the side of the cooker cover. A magnet and a magnetic reed pipe are arranged on the external side part of the outer cooker. The magnetic reed pipe is electrically connected with the central controller of the electric cooker in a signaling way. When the cooker cover is screwed to the closed position on the outer cooker, at least one fastening tooth on the cooker cover is at the position between the magnet and the magnetic reed pipe and can prevent the main magnetic line of the magnet from transferring toward the magnetic reed pipe. The fastening teeth of the cooker cover are made of magnetic permeable material or stainless steel sheets or common magnetic permeable iron sheets are arranged on the surface of the fastening teeth. By adopting the technical scheme, the utility model has the advantages that the situation that the cooker cover is not screwed to the right position can be detected before the electric cooker is heated, and the central controller can give the prompt to the abnormal state and even cut off the power. Thereby, the detection device can be used on household electric appliances such as electric pressure cookers, micro-pressure electric cookers and the like.
Description
Technical field
The utility model relates to the electric cooking appliance technical field, and particularly closing of electric food warmer such as electric pressure cooking saucepan or minute-pressure electric cooker covered location detecting technology.
Background technology
Existing electric pressure cooking saucepan or minute-pressure electric cooker generally comprise shell, hold installation outer pot in the enclosure, and electric heater and interior pot are set in the described outer pot, and interior pot is placed on the electric heater; Also comprise pot cover, described pot cover by its buckle tooth and the projection limit of the intermittence setting at described outer pot top screw cooperate be connected on the described outer pot and by sealing ring internally the pot of pot mouthful sealed.If it is not in place that pot cover closes lid in the electric food warmer product of these structures uses, will cause electric food warmer when work, to leak high-temperature steam easily, operating efficiency is reduced, and the food in the pot in burning.
Summary of the invention
At the problems referred to above, key point is how to prevent.Wherein a kind of design is to strengthen checking or detecting, and promptly can implement to detect to the leakage situation of pot cover reliably, thereby in time leakage problem be handled.Designed closing of a kind of electric food warmer for this reason especially and covered checkout gear, described electric food warmer comprises outer pot and pot cover, and wherein said pot cover can buckleing on the lug that tooth screws the top outer that is fixed on described outer pot by its side; It is characterized in that, be provided with magnet and magnetic red pipe in the pairing of the outside portion of described outer pot, described magnetic red pipe is connected with the central controller signal of telecommunication of described electric food warmer, when described pot cover screws on described outer pot when putting in place, at least one on the described pot cover buckled the position of tooth between described magnet and magnetic red pipe and can be given magnetic screen to described magnetic red pipe.
Described magnetic red pipe has another name called tongue tube, and it is closed or disconnect the characteristic of its electric contact to have the situation of changes of magnetic field around.
Because the top periphery of described outer pot is provided with the lug that tooth is used of buckleing with described pot cover, any device in the middle of described magnet or the magnetic red pipe can be embedded in the inboard of the described lug in the outside that is positioned at described outer pot for this reason, and the another one device is arranged on described and buckles the position that tooth is the basic symmetry of datum mark, is arranged on to promptly described magnet or the pairing of magnetic red pipe the both sides of described button tooth; When described button tooth is connected on the lug of described outer pot, just can be by the main magnetic line of force of the described magnet of described button tooth magnetic screen, perhaps change the energy value that described magnetic red pipe receives magnetic field, thereby guide described magnetic red pipe to occur closed or the disconnection two states by described button tooth.Described central controller receives the unlike signal that the magnetic red pipe provides, and correspondingly controls other signal device such as alarm prompting device, or the switch of cut-out main power source etc.
Further technical scheme can also be that the described pot cover of position buckles tooth by the permeability magnetic material manufacturing between described magnet and magnetic red pipe.Described permeability magnetic material is meant the soft magnetic materials that magneto resistive ratio is less, and described like this button tooth itself can be realized the magnetic screen function to described magnetic red pipe.
Further technical scheme can also be, at the common iron plate that tooth surface is provided with stainless iron steel disc or magnetic conduction of buckleing corresponding to the described pot cover of described magnet.Like this when described button tooth be non-magnet_conductible material such as stainless steel when making, can be on the basis that does not change described pot cover or described structure of buckleing tooth, material, realize magnetic screen function by the stainless iron steel disc to described magnetic red pipe.Certain described stainless iron steel disc can also substitute with the common iron plate with permeance, galvanized sheet iron etc., all have the magnetic screen function, but described stainless iron steel disc has strong relatively antirust and corrosion proof function.
Stainless iron compare with stainless steel mainly be whether nickeliferous.Stainless iron contains chromium and is not nickeliferous substantially, just becomes the Cr stainless steel, and certain anti-corrosion capability is just arranged.Stainless iron is to have ferromagnetic stainless steel; And common stainless steel material is that both to have contained chromium nickeliferous as No. 304 stainless steels, because nickel is the diamagnetism element, stainless steel does not have magnetic, and does not have suction between the magnet.
Further technical scheme can also be, the lug of the top outer of described outer pot is curling shape, and described magnetic red pipe is positioned at the curling chamber of described lug.
Further technical scheme can also be that at the arranged outside plastic support piece of described outer pot, described being closed property of magnet is contained in the described plastic support piece.So not only can fixed magnet, and can provide protection to magnet by described plastic support piece, make that it is not fragile, pollute.Secondly described back-up block can be independent member, also can be to comprise a building block around the shell in the form of a ring of the lateral wall of described outer pot or its, crucial function is the outside portion of realizing described being closed property of magnet is contained in described outer pot, but can not produce substantial effect to the magnetic field of described magnet.
Further technical scheme can also be that described magnetic red pipe is connected in the curling chamber of described lug by spacer.Certainly can also be as the scheme that is equal to by high temperature resistant adhesive with in the bonding curling chamber that is connected in described lug of described magnetic red pipe.
Further technical scheme can also be that described magnet and magnetic red pipe are two pairs, and are symmetrically distributed in the outside portion of described outer pot.
Further technical scheme can also be, is provided with temperature sensor at the inside line or the outside left of the sidewall of described outer pot, and described temperature sensor is connected with the central controller signal of telecommunication of described electric food warmer.
Further technical scheme can also be that described temperature sensor is arranged in the curling chamber of described lug.
Because this programme has adopted technique scheme, make the product of using the technical program before electric food warmer does not heat, just can detect pot cover and screw situation not in place, thereby this kind abnormal condition is pointed out even can be controlled and cut off the electricity supply by central controller.If it is promptly malfunctioning that above-mentioned detection device magnetic red pipe breaks down, further implement control thereby just can utilize temperature sensor further the high-temperature steam that leaks out from interior pot to be detected.
Because the present technique design has above-mentioned advantage, can be applied to electric pressure cooking saucepan, minute-pressure electric cooker etc. and have in the household electronic products of certain working inner pressure.
Description of drawings
Fig. 1 is a package assembly schematic diagram of using the product of the technical program;
Fig. 2 is the cover structure schematic diagram of electric food warmer product;
Fig. 3 is the A portion enlarged drawing among Fig. 1.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, electric food warmer comprises shell 4, holds the outer pot 3 that is installed in the described shell 4, and electric heater 32 and interior pot 2 are set in the described outer pot 3, and described interior pot 2 is placed on the electric heater 32; Also comprise pot cover 1, steel lid 11 in described pot cover 1 comprises, as shown in Figure 2, the neighboring of described steel lid 11 is provided with the button tooth of intermittently arranging 110; The top periphery of described outer pot 3 also intermittently is provided with the lug 31 adaptive with described button tooth 110, and described pot cover 1 screws mutually to cooperate and is connected on the described outer pot 3 and a pot mouth by pot 2 in 21 pairs of the sealing rings is sealed by buckle tooth 110 and the lug 31 at the top of described outer pot 3 of described steel lid 11.
The lug 31 at the top of described outer pot 3 is curl shape, and its curled portion includes container cavity 30, in described container cavity 30 magnetic red pipe 5 is set, and described magnetic red pipe 5 is connected on the internal face of described container cavity 30 by spacer 6.
Below described button tooth 110, be provided with magnet 7, described magnet 7 be permanent magnet and being closed property be arranged on the plastic support piece 8, wherein said plastic support piece 8 is in the form of a ring and be fixed on the lateral wall of described outer pot 3.Secondly described magnet 7 and described magnetic red pipe 5 are positioned at the both sides of described button tooth 110 substantially accordingly, so appropriate adjustment distance between the two, after described button tooth 110 basic fastenings put in place, just can be isolated with respect to described magnetic red pipe 5 or shield the main magnetic line of force of described magnet 7, the magnetic signal that described magnetic red pipe 5 is received changes.Thereby central controller just can be according to the signal output control signal corresponding of these variations, as driving the alarm prompting device or cutting off main power source etc.
In order effectively the magnetic signal of described magnet 7 to be isolated shielding in other words, the material at described button tooth 110 positions is with general permeability magnetic material manufacturing.But when described button tooth 110 is the stainless steel material manufacturing, can have stainless iron steel disc 12 or other common steel discs of soft magnetic characteristic (permeance) in the side setting with respect to described magnet 7 of described button tooth 110.Described stainless iron steel disc 12 bondings or be welded on the surface of described button tooth 110.
Secondly can also be that two pairs of described magnets 7 and described magnetic red pipe 5 are set symmetrically in the outside portion of described outer pot.So in fact, increase test point, not only can reduce the fault rate of described checkout gear, and can detect the leakage situation of described pot cover 1 as far as possible in detail and all sidedly.
Secondly, also be provided with temperature sensor 9 in the curling chamber 30 of described lug 31, described temperature sensor 9 is connected with the central controller signal of telecommunication of described electric food warmer.Wherein said temperature sensor 9 is parts of thermistor class, do not fasten when putting in place and can the temperature of pot 2 vapours of leaking out in described be detected at described pot cover 1, when thereby the first line of defence that is constituted at described magnetic red pipe 5 was malfunctioning, further the closed position to pot cover 1 was detected control.Certain described temperature sensor 9 can also be arranged on the inside line or outside left or sidewall bodies of sidewall of described outer pot 3.
Claims (9)
1. closing of electric food warmer covered checkout gear, and described electric food warmer comprises outer pot and pot cover, and wherein said pot cover can buckleing on the lug that tooth screws the top outer that is fixed on described outer pot by its side; It is characterized in that, be provided with magnet and magnetic red pipe in the pairing of the outside portion of described outer pot, described magnetic red pipe is connected with the central controller signal of telecommunication of described electric food warmer, when described pot cover screws on described outer pot when putting in place, at least one on the described pot cover buckled the position of tooth between described magnet and magnetic red pipe and can be given magnetic screen to described magnetic red pipe.
2. closing of electric food warmer according to claim 1 covered checkout gear, it is characterized in that, the tooth of buckleing of the described pot cover of position is a permeability magnetic material between described magnet and magnetic red pipe.
3. closing of electric food warmer according to claim 1 covered checkout gear, it is characterized in that, at the common iron plate that tooth surface is provided with stainless iron steel disc or magnetic conduction of buckleing corresponding to the described pot cover of described magnet.
4. cover checkout gear according to closing of claim 1,2 or 3 described electric food warmers, it is characterized in that, the lug of the top outer of described outer pot is curling shape, and described magnetic red pipe is positioned at the curling chamber of described lug.
5. closing of electric food warmer according to claim 4 covered checkout gear, it is characterized in that, at the arranged outside plastic support piece of described outer pot, described being closed property of magnet is contained in the described plastic support piece.
6. closing of electric food warmer according to claim 4 covered checkout gear, it is characterized in that, described magnetic red pipe is connected in the curling chamber of described lug by spacer.
7. closing of electric food warmer according to claim 4 covered checkout gear, it is characterized in that, described magnet and magnetic red pipe are two pairs, and is symmetrically distributed in the outside portion of described outer pot.
8. closing of electric food warmer according to claim 4 covered checkout gear, it is characterized in that, is provided with temperature sensor at the inside line or the outside left of the sidewall of described outer pot, and described temperature sensor is connected with the central controller signal of telecommunication of described electric food warmer.
9. closing of electric food warmer according to claim 8 covered checkout gear, it is characterized in that, described temperature sensor is arranged in the curling chamber of described lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200584657U CN201452912U (en) | 2009-06-10 | 2009-06-10 | Closed cover detection device of electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200584657U CN201452912U (en) | 2009-06-10 | 2009-06-10 | Closed cover detection device of electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201452912U true CN201452912U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200584657U Expired - Fee Related CN201452912U (en) | 2009-06-10 | 2009-06-10 | Closed cover detection device of electric cooker |
Country Status (1)
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| CN (1) | CN201452912U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104433775A (en) * | 2013-09-17 | 2015-03-25 | 珠海格力电器股份有限公司 | Electric pressure cooker and a cover in-place closure safety device thereof |
| CN108095526A (en) * | 2016-11-24 | 2018-06-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method and cookware of cookware |
| CN108261063A (en) * | 2016-12-30 | 2018-07-10 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
| WO2024016696A1 (en) * | 2022-07-16 | 2024-01-25 | 佛山市川东磁电股份有限公司 | Inclination sensor for household appliance |
-
2009
- 2009-06-10 CN CN2009200584657U patent/CN201452912U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104433775A (en) * | 2013-09-17 | 2015-03-25 | 珠海格力电器股份有限公司 | Electric pressure cooker and a cover in-place closure safety device thereof |
| CN108095526A (en) * | 2016-11-24 | 2018-06-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method and cookware of cookware |
| CN108261063A (en) * | 2016-12-30 | 2018-07-10 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
| CN108261063B (en) * | 2016-12-30 | 2024-01-19 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
| WO2024016696A1 (en) * | 2022-07-16 | 2024-01-25 | 佛山市川东磁电股份有限公司 | Inclination sensor for household appliance |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 528200 Foshan, China, Nanhai District, Songgang Industrial Park, Industrial Park Road West Patentee after: DEA GENERAL AVIATION CO., LTD. Address before: 528234 Foshan, China, Nanhai District, Songgang Industrial Park, Industrial Park Road West Patentee before: Guangdong Elecpro Electric Appliance Holding Co., Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Wang Shulin Document name: Notification of Passing Examination on Formalities |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20170610 |