CN102133050A - Energy-saving, safety and insulating electric food warmer container - Google Patents

Abstract

The invention discloses an energy-saving, safety and insulating electric food warmer container, which comprises a container shell, a warmer body arranged in the container shell, and an electric heater and a temperature controller that are arranged at the bottom of the warmer body. The energy-saving, safety and insulating electric food warmer container is characterized in that the container shell is a container with the diameter being larger than that of the warmer body, the bottom of the container shell is closed, and an opening for the bottom of the warmer body to be inserted in is arranged at the top of the container shell; the warmer body is inserted in the container body, a heat insulation sealing ring is arranged between the outer wall of the mouth of the warmer body and the opening of the container shell, and a closed heat insulation cavity is formed between the container shell and the warmer body due to the matching; the electric heater is arranged in the closed heat insulation cavity and at the bottom of the warmer body; the container shell is provided with a power supply connector that is connected with the electric heater and the temperature controller in the closed heat insulation cavity; and the container shell is provided with a one-way air valve capable of automatically regulating the air pressure in the closed heat insulation cavity. Compared with the prior art, the energy-saving, safety and insulating electric food warmer container has the benefits that the thermal efficiency is high, the heat insulation effect is good, the safety performance is good, the whole warmer container can be immersed in water for cleaning, and as the cooker body and the container body are in plug type cable connection, the production, the installation and the maintenance of the container are convenient.

Description

A kind of energy-saving safety insulation electric food warmer courage

Technical field

What the present invention relates to is electric food warmer, especially a kind of energy-saving safety insulation electric food warmer courage.

Background technology

At present, electric food warmer is all kinds of a lot of on the market, has or not the electric food warmer and the electric food warmer that heat insulation function is arranged of heat insulation function.The pot body of the electric food warmer of no heat insulation function exposes in air, the direct and air thermal convection current conduction of pot body, and a large amount of the loss be not so have heat insulation function.And the electric food warmer of tool heat insulation function normally adds heat-insulation layer in the pot body case, utilizes heat-insulation layer to slow down the circulation of pot body and extraneous air, reaches heat insulation function.Yet because the air between pot body and the heat-insulation layer does not seal, air still can be delivered to the outside with the heat of pot body, reduces heat insulation effect, causes energy waste.For making the modal method that the food temperature retention time increases in pot body is to install temperature controller additional, when temperature of boiler drops to design temperature, starts thermoelectric heating device work, heats the purpose that reaches insulation with continuous startup electric heater repeatedly, and this undoubtedly can consumed power.

Chinese patent ZL02272126.6, ZL92100900.3, ZL98215535.2 disclose the electric food warmer of the different tool heat insulation function of three kinds of structures.Adopt the improvement on the different structure, attempt to solve pot low problem of the volume surrounding insulation construction efficiency of heating surface, and heat insulation effect is had some lifting.But in actual fabrication is used, remain in following defective, as: if the inner vacuum structure of making, outer pot must use metal or use glass material directly to weld sealed-for-life in that, not only proposed high request to making to process to vacuumize, also the sealing to external terminal has proposed very high requirement, moreover a lot of materials all can quicken distillation under the vacuum environment, vacuum environment of a specified duration is in case destruction can influence heat insulation effect.It is poor that next is installed in the electrical connector sealing of protecting in the shell, if there is aqueous vapor to immerse, promptly can cause the electric heating system short circuit in the use, can initiation fire when serious.

Summary of the invention

Technical problem to be solved by this invention is the defective that remedies above-mentioned prior art, and a kind of energy-saving safety insulation electric food warmer courage is provided.

The technical problem of energy-saving safety insulation electric food warmer of the present invention is solved by the following technical programs.

This energy-saving safety insulation electric food warmer courage comprises the courage shell, is arranged on the pot body in the courage shell, the thermoelectric heating device that is arranged on bottom of pot body and temperature controller.

The characteristics of this energy-saving safety insulation electric food warmer courage are:

Described courage shell is the container of a diameter greater than the pot body, courage shell bottom lock, and courage shell top is provided with supply bottom of pot body to insert uncovered;

Described pot body is plugged in the courage shell, is provided with the heat-insulating and sealing circle between pot body pot mouth outer wall and courage shell are uncovered, and above-mentioned cooperation makes to be installed between courage shell and the pot body and forms the closed heat insulation chamber;

Described thermoelectric heating device is installed in the bottom of pot body in the closed heat insulation chamber;

Described courage shell be provided with the closed heat insulation chamber in the power supply connecting device that is connected with temperature controller of thermoelectric heating device;

Described courage shell is provided with the Non-return air valve that can regulate closed heat insulation chamber internal gas pressure automatically.When closed heat insulation chamber internal gas pressure exceeds setting pressure, Non-return air valve can be opened automatically and in time the gases at high pressure in the closed heat insulation chamber be discharged, and in time close, guarantee in the closed heat insulation chamber to keep the air pressure set, utilize the gas section of the resistance pot body pot wall closed heat insulation chamber in and the thermal convection current of extraneous air.And guarantee also that when the needs degreasing the pan is outside liquid that can not enters the inside.

The technical problem of energy-saving safety insulation electric food warmer of the present invention is solved by following further technical scheme.

Described power supply connecting device constitutes by being separately positioned on the corresponding one by one socket terminals of inserting column that the power supply of thermoelectric heating device with the temperature controller bottom surface be connected inserting column and be arranged on courage shell bottom and thermoelectric heating device and temperature controller bottom surface, and the bottom surface inserting column of thermoelectric heating device and temperature controller cooperates for insertion with courage shell bottom socket terminals.

Described socket terminals are made up of terminal post, the resilient socket that is nested with the insulated ring on terminal post and is connected terminal post the inner, and the socket terminals are installed in the courage shell bottom through-hole by insulated ring.

For being threaded, that is: terminal post the inner is provided with thread head between described terminal post the inner and the resilient socket, and the pedestal of resilient socket is provided with screwed hole.

Described terminal post is inner little, the pyramidal structure post that the outer end is big, during the terminal post of this structure holds thread head and resilient socket upper screwed hole to screw within it to cooperate, the taper position of terminal post can be oppressed and be overlapped insulated ring thereon, force insulated ring distortion with but being sealed and matched of shell through hole realizes that the sealing of socket terminals in courage shell bottom through-hole install.

Described thermoelectric heating device is resistance heating dish or inductance heat-generating disc.

Be provided with the electric jacket that the electric hot plate that contacts with the applying of pot body pot wall maybe can be placed in the external wall of pot in the described closed heat insulation chamber.It can add the heating of pressure cooker body.

Described heat-insulating and sealing circle is the sealed silicon cushion rubber.

Described courage shell wall of inner container is coated with insulating moulding coating.

Described insulating moulding coating is composite nano-ceramic or composition silicate.These materials itself have heatproof, easily construction, anti-heat radiation, low thermal conductivity.Heat conduction between its closed heat insulation intracavity gas capable of blocking and courage shell.

Described courage shell bottom is provided with the annular positioning groove with the shell assembling.

The design principle of energy-saving safety insulation electric food warmer of the present invention is: utilize sealing ring heat insulation with pot body and the separation of courage shell, the heat of pot body can't direct heat be conducted to the courage shell, so the heat of pot body can not distribute by the courage shell to the outside.Utilize the closed heat insulation chamber that forms between pot body and courage shell, the air in the closed heat insulation chamber itself is exactly good insulator, the air in the closed heat insulation chamber not with the extraneous air heat exchange, so the air in the closed heat insulation chamber will intercept a pot body heat content and put to the courage shell and transfer.

The beneficial effect compared with prior art of energy-saving safety insulation electric food warmer courage of the present invention is:

One, thermal efficiency height: pot body heat conductibility is good in the inner heating process, reduces to external heat conduction and convection current.Heat loss is few during heating, thermal efficiency height.

Two, high insulating effect: the air under this temperature of boiler condition itself has good low thermal conductivity, experimental results show that the heat propagation in the time of significantly reducing insulation, thereby reaches a pot body self-heat conserving, reduces electric consumption.

Three, safe: when the closed heat insulation chamber is inner abnormal conditions take place, as short circuit high temperature, temperature sensor damages, or heat reason such as unusual of a specified duration and cause the inner air excessive expansion, and safety valve can be discharged automatically, and is safe and reliable.

Four, inside is provided with the temperature control device, and temperature control is accurate.

Five, energy-saving safety insulation electric food warmer courage of the present invention has high leakproofness, and the whole cooker courage can immerse in the water and clean.Increase the facility on using.

Six, adopt the plug on cable wiring between pot body and courage shell, it is convenient that production is installed and keeped in repair.

Concrete structure of the present invention is provided in detail by the following drawings and embodiment.

Description of drawings

Fig. 1 is the structural representation of energy-saving safety insulation electric food warmer courage;

Fig. 2 is the decomposition texture schematic diagram of energy-saving safety insulation electric food warmer courage shown in Figure 1;

Fig. 3 is energy-saving safety insulation electric food warmer courage shown in Figure 1 mounting structure schematic diagram on the electric food warmer product;

Fig. 4 is energy-saving safety insulation electric food warmer courage shown in Figure 1 mounting structure schematic diagram on simple and easy electric food warmer product.

The specific embodiment

Can be clear that from Fig. 1 and Fig. 2 energy-saving safety insulation electric food warmer courage comprises:courage shell 2, be arranged on thepot body 1 in thecourage shell 2, the resistance heating dish 8 that is arranged onpot body 1 bottom andtemperature controller 9.

Describedcourage shell 2 is the container of a diameter greater thanpot body 1,courage shell 2 bottom locks, andcourage shell 2 tops are provided with for uncovered 11 ofpot body 1 insertion;

Describedpot body 1 is plugged in thecourage shell 2, pot mouthful 10 outer walls ofpot body 1 andcourage shell 2 uncovered 11 between be provided with sealedsilicon cushion rubber 4, above-mentionedly be engaged in formation closed heat insulation chamber 3 betweencourage shell 2 andpot body 1;

Described resistance heating dish 8 is installed inpot body 1 bottom in the closed heat insulation chamber 3;

Describedcourage shell 2 is provided with the power supply connecting device that is connected withtemperature controller 9 with closed heat insulation chamber 3 interior resistance heating dishes 8;

Describedcourage shell 2 is provided with theNon-return air valve 5 that can regulate closed heat insulation chamber 3 internal gas pressures automatically.

Describedcourage shell 2 bottoms are provided with theannular positioning groove 7 with the shell assembling.

Described power supply connecting device constitutes by being separately positioned on the corresponding one by onesocket terminals 6 ofinserting column 15 that the power supply of resistance heating dish 8 withtemperature controller 9 bottom surfaces be connectedinserting column 15 and be arranged oncourage shell 2 bottoms and resistance heating dish 8 andtemperature controller 9 bottom surfaces,socket terminals 6 are made ofterminal post 20, theresilient socket 14 that is nested with the insulatedring 18 onterminal post 20 and is connectedterminal post 20 the inners, andsocket terminals 6 are installed incourage shell 2 bottom through-holes 16 by insulated ring 18.Describedterminal post 20 inner withresilient socket 14 between for being threaded, that is:terminal post 20 the inners are provided withthread head 17, the pedestal ofresilient socket 14 is provided with screwed hole.

Describedterminal post 20 is thatthread head 17 ends are little, the pyramidal structure post that the outer end is big, duringterminal post 20 holdsthread head 17 andresilient socket 14 upper screwed holes to screw within it to cooperate, the taper position ofterminal post 20 can be oppressed and be overlapped insulatedring 18 thereon, force insulatedring 18 distortion to be sealed and matched, realize the sealing installation ofsocket terminals 6 incourage shell 2 bottom through-holes 16 with through hole 16.The bottomsurface inserting column 15 of resistance heating dish 8 andtemperature controller 9 cooperates for inserting with theresilient socket 14 ofcourage shell 2bottom socket terminals 6.

Be provided with theelectric jacket 13 that can proper be placed inpot body 1 outer wall in the described closed heat insulation chamber 3.Be nested withelectric jacket 13 onpot body 1 outer pot wall and can add the heating ofpressure cooker body 1.

For the further conduction of the heat between blocking-up closed heat insulation intracavity gas and courage shell, improve heat insulation effect,courage shell 2 wall of inner container are coated with has heatproof, easily construction, anti-heat radiation, the composite nano-ceramic insulatingmoulding coating layer 21 of low thermal conductivity.

Fig. 3 is energy-saving safety insulation electric food warmer courage of the present invention and electric food warmer shell assembling schematic diagram, and this is that a kind of electric food warmer courage of the present invention can being placed moulded the insulation electric food warmer product of making in theshell 82 as seen from Figure 3.

Energy-saving safety insulation electric food warmer courage of the present invention is arranged on to be moulded in thesystem shell 82, moulding is hinged on thesystem shell 82 be connected to one can be with pot mouthful 10 heat preservation cooker lids of closing 90 ofpot body 1,moulding system shell 82 inner bottom parts is provided with and the suitablebulge loop circle 83 ofcourage shell 2 basecircle locating slots 7,mould system shell 82 bottoms and be provided with,mould system shell 82 and also be provided withoutlet 81 andcontrol panel 84 bylead 88 and thecircuit board 89 that theterminal post 20 ofsocket terminals 6 is connected.

Fig. 4 is the mounting structure signal of energy-saving safety insulation electric food warmer courage of the present invention on simple and easy electric food warmer product.This is a kind of electric food warmer courage of the present invention directly to be placed an insulation electric food warmer product of moulding on thesystem pot seat 91 as seen from Figure 4.

Mouldingsystem pot seat 91 seat surfaces is provided with and the suitablebulge loop circle 83 ofcourage shell 2 basecircle locating slots 7, be provided with bylead 88 and thecircuit board 89 that theterminal post 20 ofsocket terminals 6 is connected in the system of themoulding pot seat 91, mouldsystem pot seat 91 and also be provided withoutlet 81 and control panel 84.Thepot mouth 10 ofpot body 1 is furnished with heat preservation cooker lid 90.

Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention; make some alternative or obvious modification that are equal to without departing from the inventive concept of the premise; and performance or purposes are identical, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.

Claims (10)

1. an energy-saving safety insulation electric food warmer courage comprises the courage shell, is arranged on the pot body in the courage shell, the thermoelectric heating device that is arranged on bottom of pot body and temperature controller, it is characterized in that:

Described courage shell is the container of a diameter greater than the pot body, courage shell bottom lock, and courage shell top is provided with supply bottom of pot body to insert uncovered;

Described pot body is plugged in the courage shell, is provided with the heat-insulating and sealing circle between pot body pot mouth outer wall and courage shell are uncovered, and above-mentioned cooperation makes to be installed between courage shell and the pot body and forms the closed heat insulation chamber;

Described thermoelectric heating device is installed in the bottom of pot body in the closed heat insulation chamber;

Described courage shell be provided with the closed heat insulation chamber in the power supply connecting device that is connected with temperature controller of thermoelectric heating device;

Described courage shell is provided with the Non-return air valve that can regulate closed heat insulation chamber internal gas pressure automatically.

2. energy-saving safety insulation electric food warmer courage according to claim 1 is characterized in that:

Described courage shell bottom is provided with the annular positioning groove with the shell assembling.

3. energy-saving safety insulation electric food warmer courage according to claim 1 and 2 is characterized in that:

Described thermoelectric heating device is resistance heating dish or inductance heat-generating disc.

4. energy-saving safety insulation electric food warmer courage according to claim 3 is characterized in that:

Described power supply connecting device constitutes by being separately positioned on the corresponding one by one socket terminals of inserting column that the power supply of thermoelectric heating device with the temperature controller bottom surface be connected inserting column and be arranged on courage shell bottom and thermoelectric heating device and temperature controller bottom surface, and the bottom surface inserting column of thermoelectric heating device and temperature controller cooperates for insertion with courage shell bottom socket terminals.

5. energy-saving safety insulation electric food warmer courage according to claim 4 is characterized in that:

Described socket terminals are made up of terminal post, the resilient socket that is nested with the insulated ring on terminal post and is connected terminal post the inner, the socket terminals are installed in the courage shell bottom through-hole by insulated ring, between terminal post the inner and the resilient socket for being threaded, that is: terminal post the inner is provided with thread head, and the pedestal of resilient socket is provided with screwed hole.

6. energy-saving safety insulation electric food warmer courage according to claim 5 is characterized in that:

Described terminal post is inner little, the pyramidal structure post that the outer end is big, during the terminal post of this structure holds thread head and resilient socket upper screwed hole to screw within it to cooperate, the taper position of terminal post can be oppressed and be overlapped insulated ring thereon, force insulated ring distortion with but being sealed and matched of shell through hole realizes that the sealing of socket terminals in courage shell bottom through-hole install.

7. energy-saving safety insulation electric food warmer courage according to claim 6 is characterized in that:

Be provided with the electric jacket that the electric hot plate that contacts with the applying of pot body pot wall maybe can be placed in the external wall of pot in the described closed heat insulation chamber.It can add the heating of pressure cooker body.

8. energy-saving safety insulation electric food warmer courage according to claim 7 is characterized in that:

Described heat-insulating and sealing circle is the sealed silicon cushion rubber.

9. energy-saving safety insulation electric food warmer courage according to claim 8 is characterized in that:

Described courage shell wall of inner container is coated with insulating moulding coating.

10. energy-saving safety insulation electric food warmer courage according to claim 8 is characterized in that:

Described insulating moulding coating is composite nano-ceramic or composition silicate.

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