CN114081337B - Electric food warmer with electric leakage detection and protection functions - Google Patents
Electric food warmer with electric leakage detection and protection functions Download PDFInfo
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- CN114081337B CN114081337B CN202111327590.5A CN202111327590A CN114081337B CN 114081337 B CN114081337 B CN 114081337B CN 202111327590 A CN202111327590 A CN 202111327590A CN 114081337 B CN114081337 B CN 114081337B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
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- Food Science & Technology (AREA)
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Abstract
The invention discloses an electric food warmer with an electric leakage detection protection function, and relates to the technical field of household appliance production. The invention comprises a working base, a direct heating pot and an additional layer, wherein a heating sleeve and a control panel are arranged in the working base, and an induction contact bolt and a control valve plate are also arranged in the working base. The induction contact bolt is arranged in the working base, so that the upper end of the induction contact bolt can be contacted with the bottom of the direct-heating pot, and the current on the surface of the induction contact bolt is guided to the control board and the rectifier in the working base to be temporarily stored when the current leaks; meanwhile, when the induction contact bolt is electrified, the bus board at the lower end of the induction contact bolt is magnetized, the guide plate is pressed down by using repulsive force, and part of current is grounded through the supporting legs and is led underground; on the other hand, through setting up the control valve plate, the contact current after utilizing the rectification makes its circular telegram take the magnetism, utilizes repulsion to lift water conservancy diversion magnetic shield and makes its principle control valve plate to realize the outage effect of heating jacket, cooperate relevant alarm device again, can protect user's safety.
Description
Technical Field
The invention belongs to the technical field of household appliance production, and particularly relates to an electric food warmer with an electric leakage detection protection function.
Background
The electric food warmer is one of the most common small household appliances in the society at present, and is used by vast office workers and students due to convenient energy source, high working efficiency and heating blocks; however, the quality of the electric heating cookers in the market is often uneven, the circuit is often aged due to overlong working time, or the safety accident of electric leakage occurs due to improper operation, and the life and property safety of users is greatly threatened; the electric heating cooker in the prior art usually has the leakage condition to cause the total electric switch to trip, but the electric shock danger still exists before the electric heating cooker trips, and the existing electric heating cooker also often lacks the leakage protection device and function; in order to solve the problems, an electric food warmer with an electric leakage detection protection function is designed.
Disclosure of Invention
The invention aims to provide an electric food warmer with an electric leakage detection protection function, which solves the problem that the existing electric food warmer lacks an electric leakage protection function and device.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an electric food warmer with an electric leakage detection protection function, which comprises a working base, a direct heating pan and an additional layer, wherein the upper surface of the working base is fixedly connected with the direct heating pan through a bolt; the direct heating pot is nested and matched with the additional layer, and a sealing cover is arranged on the upper surface of the additional layer;
the working base is of a box-shaped structure, the heating sleeve and the control panel are bolted to the inner surface of the working base, and the heating sleeve is electrically connected with the control panel; wherein the heating jacket is made of ceramic material and is contacted with the direct heating pot for heating the direct heating pot; the side surface of the periphery of the heating sleeve is provided with a plurality of induction sliding grooves and a plurality of control conductive grooves, wherein the induction sliding grooves and the control conductive grooves are in staggered circumferential array; an induction contact bolt is arranged in the induction sliding chute, an induction contact is welded at the upper end of the induction contact bolt and is in contact with the bottom surface of the direct-heating pot, and whether current exists on the surface of the shell of the direct-heating pot or not can be simultaneously induced; the lower end of the induction contact bolt is welded with a bus board, and the induction contact bolt is electrically connected with the control panel through the bus board; the induction contact bolt guides the current on the surface of the direct heating pot into the control board through the induction outlet head and the bus board respectively;
a flow guide sliding plate is slidably clamped in the control conductive groove, and a flow guide magnetic plate is welded on one side surface of the flow guide sliding plate; a plurality of control valve plates are welded on the peripheral side surfaces of the control plates, and limit bolts are welded on the upper surfaces of the control valve plates; the guide magnetic plate corresponds to the control valve plate in position and is in sliding fit with the limit bolt; the control valve plate is of an electromagnetic plate structure, the flow guide magnetic plate is of a permanent magnetic plate structure, and the control valve plate and the flow guide magnetic plate are magnetically repelled when the control valve plate is electrified; the control plate receives current on the surface of the direct heating pot, the control valve plate is electrified and magnetized, the guide magnetic plate is lifted up by utilizing magnetic repulsion force, the guide magnetic plate is separated from the control valve plate, and the guide sliding plate slides upwards and contacts the bottom of the direct heating pot to further guide the current on the surface of the direct heating pot.
Furthermore, a reset spring is connected between the flow guide sliding plate and the heating sleeve, so that the flow guide sliding plate and the flow guide magnetic plate can be quickly reset under the action of no current; the lower surface of the bus bar is welded with a connecting spring, the lower end of the connecting spring is welded with a guide plate, the guide plate is of a permanent magnet plate structure, the bus bar is of an electromagnetic plate structure, the magnetism of the bus bar is repelled by the guide plate when the bus bar is electrified, the sealing cover, the additional layer and the direct heating pot are sequentially clamped, and the sealing cover, the additional layer and the direct heating pot are sequentially contacted; the lower surface of the working base is in bolted connection with a plurality of supporting legs; the guide plate is grounded through the working base shell and the supporting legs; the collecting plate is magnetized when being electrified, the guide plate is pressed down by utilizing magnetic repulsion force to be contacted with the shell of the working base, and meanwhile, current carried on the surface of the direct heating pot is guided into the ground through the supporting legs.
Further, control panel internally mounted has the rectifier, and cylinder manifold and control valve plate all with rectifier electric connection, wherein the rectifier can collect and integrate the storage with the omission electric energy on direct-heating pot surface, provides operating time for disconnected water conservancy diversion magnetic sheet and response contact bolt drainage electric energy.
Furtherly, the inside nestification of heating jacket has the heating furnace circle, the heating furnace circle is the eddy current loop structure, and heating furnace circle and the equal electric connection of water conservancy diversion slide and control panel.
Furthermore, a plurality of heat insulation handles are bolted on the peripheral side surface of the direct heating pot, and the heat insulation handles are of an insulation structure.
The invention has the following beneficial effects:
the induction contact bolt is arranged in the working base, so that the upper end of the induction contact bolt can be contacted with the bottom of the direct-heating pot, and the current on the surface of the induction contact bolt is guided to the control board and the rectifier in the working base to be temporarily stored when the current leaks; meanwhile, when the induction contact bolt is electrified, the bus board at the lower end of the induction contact bolt is magnetized, the guide plate is pressed down by using repulsive force, and part of current is grounded through the supporting legs and is led underground;
on the other hand, through setting up the control valve plate, the contact current after utilizing the rectification makes its circular telegram take the magnetism, utilizes repulsion to lift water conservancy diversion magnetic shield and makes its principle control valve plate to realize the outage effect of heating jacket, cooperate relevant alarm device again, can protect user's safety.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an electric food warmer with leakage detection and protection functions according to the present invention;
FIG. 2 is a top view of an electric food warmer with electric leakage detection and protection functions according to the present invention;
FIG. 3 is a schematic structural view of section A-A in FIG. 2;
FIG. 4 is a partial display view of portion B of FIG. 3;
FIG. 5 is a partial view of portion C of FIG. 3;
FIG. 6 is a schematic view of the structure of section D-D in FIG. 3;
fig. 7 is a schematic structural view of section E-E in fig. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a working base; 2. directly heating the pan; 3. an additional layer; 4. a sealing cover; 101. heating a jacket; 102. a control panel; 1011. an induction chute; 1012. a control conductive slot; 103. sensing a touch bolt; 1031. an inductive contact; 1032. a bus bar; 104. a flow guide sliding plate; 1041. a flow guide magnetic plate; 1021. a control valve plate; 1022. a limit bolt; 1042. a reset spring; 1033. a connecting spring; 1034. a baffle; 1023. a rectifier; 1013. heating the furnace ring; 106. supporting legs; 201. a heat insulating handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate an orientation or positional relationship, are used merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention.
Referring to fig. 1-7, the present invention provides an electric heating pan with electric leakage detection and protection functions, which includes a working base 1, a direct heating pan 2 and an additional layer 3, wherein the upper surface of the working base 1 is fixedly connected to the direct heating pan 2 through bolts; the direct heating pot 2 is nested and matched with the additional layer 3, and the sealing cover 4 is arranged on the upper surface of the additional layer 3;
the working base 1 is of a box-shaped structure, the heating sleeve 101 and the control panel 102 are bolted on the inner surface of the working base, and the heating sleeve 101 is electrically connected with the control panel 102; wherein the heating jacket 101 is made of ceramic material and is contacted with the direct heating pot 2 for heating the direct heating pot; the circumferential side surface of the heating jacket 101 is provided with a plurality of induction chutes 1011 and a plurality of control conductive grooves 1012, wherein the induction chutes 1011 and the control conductive grooves 1012 are arranged in a staggered circumferential array; an induction contact bolt 103 is arranged in the induction sliding groove 1011, an induction contact 1031 is welded at the upper end of the induction contact bolt 103 and contacts with the bottom surface of the direct heating pot 2, and whether current is on the surface of the outer shell of the direct heating pot 2 can be induced; the bus plate 1032 is welded at the lower end of the induction contact bolt 103, and the induction contact bolt 103 is electrically connected with the control board 102 through the bus plate 1032; wherein the induction contact bolt 103 guides the current on the surface of the direct heating pot 2 into the control board 102 through the induction outlet 1031 and the bus plate 1032, respectively;
a flow guide sliding plate 104 is slidably clamped in the control conductive groove 1012, and a flow guide magnetic plate 1041 is welded on one side surface of the flow guide sliding plate 104; a plurality of control valve plates 1021 are welded on the peripheral side surface of the control plate 102, and limit bolts 1022 are welded on the upper surfaces of the control valve plates 1021; the guide magnetic plate 1041 corresponds to the position of the control valve plate 1021 and is in sliding fit with the limit bolt 1022; the control valve plate 1021 is of an electromagnetic plate structure, the diversion magnetic plate 1041 is of a permanent magnetic plate structure, and the control valve plate 1021 and the diversion magnetic plate 1041 are magnetically repelled when being electrified; wherein, after the control panel 102 receives the current on the surface of the direct heating pan 2, the control valve plate 1021 is electrified and magnetized, the magnetic repulsion is utilized to lift the flow guide magnetic plate 1041, so that the flow guide magnetic plate 1041 is separated from the control valve plate 1021, and the flow guide sliding plate 104 slides upwards and contacts the bottom of the direct heating pan 2, thereby further guiding the current on the surface of the direct heating pan 2.
Preferably, a reset spring 1042 is connected between the flow guide sliding plate 104 and the heating jacket 101, so that the flow guide sliding plate 104 and the flow guide magnetic plate 1041 can be reset rapidly under the action of no current; the lower surface of the manifold plate 1032 is welded with a connecting spring 1033, the lower end of the connecting spring 1033 is welded with a flow guide plate 1034, wherein the flow guide plate 1034 is of a permanent magnet plate structure, the manifold plate 1032 is of an electromagnetic plate structure, the flow guide plate 1034 magnetically repels when the manifold plate 1032 is electrified, the sealing cover 4, the additional layer 3 and the direct heating pot 2 are sequentially clamped, and the three are sequentially contacted; a plurality of supporting legs 106 are bolted on the lower surface of the working base 1; the flow guide 1034 is grounded through the housing of the work base 1 and the support legs 106; the current collecting plate 1032 is magnetized when being electrified, the current guide plate 1032 is pressed downwards by utilizing magnetic repulsion force to be in contact with the shell of the working base 1, and meanwhile, the current carried on the surface of the direct heating pot 2 is led into the ground through the supporting legs 106.
Preferably, the rectifier 1023 is installed inside the control board 102, and the bus board 1032 and the control valve plate 1021 are both electrically connected with the rectifier 1023, wherein the rectifier 1023 can collect and integrate the missing electric energy on the surface of the direct heating pan 2 for storage, and the conduction electric energy is provided with the working time for the disconnection of the magnetic guide plate 1041 and the induction contact bolt 103.
Preferably, a heating furnace ring 1013 is nested inside the heating jacket 101, the heating furnace ring 1013 is an eddy current coil structure, and the heating furnace ring 1013 is electrically connected with the flow guiding sliding plate 104 and the control plate 102.
Preferably, a plurality of heat insulation handles 201 are bolted on the peripheral side surface of the direct heating pot 2, and the heat insulation handles 201 are of an insulation structure.
Example (b):
it should be further noted that, in the normal working condition of the electric food warmer of the present invention, the surface of the direct heating pan 2 is in a current-free state, so that there is no electric energy in the rectifier 1023 in the control board 102; therefore, when the guide magnetic plate 1041 contacts the control valve plate 1021, the control valve plate 1021 has no current, and the current for heating is mainly transmitted through the limit bolt 1022, so that when the leakage phenomenon occurs, the guide magnetic plate 1041 slides away from the control valve plate 1021 in a sliding manner, and is also separated from the limit bolt 1022, and the heating jacket 101 is also in a power-off state at the time, thereby ensuring the safety of a user;
in addition, in the novel electric food warmer of the present invention, an alarm is further installed at the rectifier 1023, and the alarm can work when current exists in the rectifier 1023.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides an electric heat pot with electric leakage detection protect function, includes work base (1), directly heat pot (2) and additional layer (3), its characterized in that: the upper surface of the working base (1) is fixedly connected with the direct heating pot (2) through bolts; the direct heating pot (2) is in nested fit with the additional layer (3), and a sealing cover (4) is arranged on the upper surface of the additional layer (3);
the working base (1) is of a box-shaped structure, the inner surface of the working base is bolted with a heating sleeve (101) and a control panel (102), and the heating sleeve (101) is electrically connected with the control panel (102); a plurality of induction chutes (1011) and a plurality of control conductive grooves (1012) are formed in the peripheral side surface of the heating sleeve (101), wherein the induction chutes (1011) and the control conductive grooves (1012) are arranged in a staggered circumferential array; an induction contact bolt (103) is arranged in the induction sliding groove (1011), and an induction contact (1031) is welded at the upper end of the induction contact bolt (103) and is in contact with the bottom surface of the direct heating pot (2); the lower end of the induction contact bolt (103) is welded with a bus plate (1032), and the induction contact bolt (103) is electrically connected with the control board (102) through the bus plate (1032);
a flow guide sliding plate (104) is slidably clamped in the control conductive groove (1012), and a flow guide magnetic plate (1041) is welded on one side surface of the flow guide sliding plate (104); the peripheral side surface of the control plate (102) is welded with a plurality of control valve plates (1021), and the upper surface of each control valve plate (1021) is welded with a limit bolt (1022); the flow guide magnetic plate (1041) corresponds to the position of the control valve plate (1021) and is in sliding fit with the limit bolt (1022); the control valve plate (1021) is of an electromagnetic plate structure, the flow guide magnetic plate (1041) is of a permanent magnetic plate structure, and the control valve plate (1021) is magnetically repelled with the flow guide magnetic plate (1041) when being electrified;
the control plate (102) receives the current on the surface of the direct heating pot (2) and then enables the control valve plate (1021) to be electrified and magnetized, and the flow guide magnetic plate (1041) is lifted up by utilizing the magnetic repulsion force, so that the flow guide magnetic plate (1041) is separated from the control valve plate (1021).
2. The electric food warmer with the electric leakage detection and protection function as claimed in claim 1, wherein a return spring (1042) is connected between the air guide sliding plate (104) and the heating jacket (101); the welding of cylinder manifold (1032) lower surface has connection spring (1033), and the welding of connection spring (1033) lower extreme has guide plate (1034), and wherein guide plate (1034) are the permanent-magnet plate structure, and cylinder manifold (1032) are the electromagnetic plate structure, and repel each other with guide plate (1034) magnetism when cylinder manifold (1032) circular telegram.
3. The electric food warmer with the electric leakage detection and protection function as claimed in claim 2, wherein the rectifier (1023) is installed inside the control board (102), and the bus bar (1032) and the control valve plate (1021) are electrically connected with the rectifier (1023).
4. An electric pan with electric leakage detection and protection functions as claimed in claim 3, wherein a heating coil (1013) is nested inside the heating jacket (101), the heating coil (1013) is of an eddy current coil structure, and the heating coil (1013) is electrically connected with the flow guiding slide plate (104) and the control board (102).
5. The electric food warmer with the electric leakage detection and protection function as claimed in claim 4, wherein the sealing cover (4), the additional layer (3) and the direct heating pan (2) are sequentially clamped and sequentially contacted; the lower surface of the working base (1) is in bolted connection with a plurality of supporting feet (106); the flow guide plate (1034) is grounded through the shell of the working base (1) and the supporting feet (106).
6. The electric food warmer with the electric leakage detection and protection function as claimed in claim 5, wherein a plurality of heat insulation handles (201) are bolted to the peripheral side of the direct heating pan (2), and the heat insulation handles (201) are of an insulation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111327590.5A CN114081337B (en) | 2021-11-10 | 2021-11-10 | Electric food warmer with electric leakage detection and protection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111327590.5A CN114081337B (en) | 2021-11-10 | 2021-11-10 | Electric food warmer with electric leakage detection and protection functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114081337A CN114081337A (en) | 2022-02-25 |
| CN114081337B true CN114081337B (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111327590.5A Active CN114081337B (en) | 2021-11-10 | 2021-11-10 | Electric food warmer with electric leakage detection and protection functions |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006073543A (en) * | 2002-03-19 | 2006-03-16 | Matsushita Electric Ind Co Ltd | Induction heating device |
| CN103705104A (en) * | 2013-12-16 | 2014-04-09 | 广西柳州浚业科技有限公司 | Frequency-conversion electric heating pot |
| CN206755263U (en) * | 2017-05-26 | 2017-12-15 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic oven |
| CN206962161U (en) * | 2017-07-24 | 2018-02-02 | 广东省湛江市家用电器工业有限公司 | A kind of anticreep electric cooker plug |
| CN212438223U (en) * | 2020-04-22 | 2021-02-02 | 孙云娟 | Novel electric heating pot |
| CN214230893U (en) * | 2020-11-10 | 2021-09-21 | 云米互联科技(广东)有限公司 | Steaming and baking oven |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213786796U (en) * | 2020-11-23 | 2021-07-27 | 临海市康临电子有限公司 | Controller for electric heating pot |
-
2021
- 2021-11-10 CN CN202111327590.5A patent/CN114081337B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006073543A (en) * | 2002-03-19 | 2006-03-16 | Matsushita Electric Ind Co Ltd | Induction heating device |
| CN103705104A (en) * | 2013-12-16 | 2014-04-09 | 广西柳州浚业科技有限公司 | Frequency-conversion electric heating pot |
| CN206755263U (en) * | 2017-05-26 | 2017-12-15 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic oven |
| CN206962161U (en) * | 2017-07-24 | 2018-02-02 | 广东省湛江市家用电器工业有限公司 | A kind of anticreep electric cooker plug |
| CN212438223U (en) * | 2020-04-22 | 2021-02-02 | 孙云娟 | Novel electric heating pot |
| CN214230893U (en) * | 2020-11-10 | 2021-09-21 | 云米互联科技(广东)有限公司 | Steaming and baking oven |
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| CN114081337A (en) | 2022-02-25 |
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