Summary of the invention
The objective of the invention is in order to solve the deficiency that above-mentioned prior art exists, and provide a kind of simple and reasonable for structure, little, the light weight of volume, easy to carry, and energy-conserving and environment-protective, applicable to the miniature electric cooker of direct current with the alternating current use.
The objective of the invention is to realize like this.
A kind of miniature electric cooker comprises shell, inner bag and loam cake thereof, and the inner bag setting in the enclosure; It is characterized in that it also includes heat-conducting plate, electrothermal tube and insulating heat-conductive layer, the insulating heat-conductive layer can be the heat conducting film of insulation; And heat-conducting plate is provided with and compresses the chamber, and said insulating heat-conductive layer wraps electrothermal tube, and they are pressed in compressing in the chamber of heat-conducting plate together; Heat-conducting plate is provided with thermal conductive surface, and thermal conductive surface cements in the inner bag bottom through heat-conducting glue; This kind of miniature electric cooker utilizes electrothermal tube, insulating heat-conductive layer to compress compressing between the chamber with heat-conducting plate and is connected, and makes heat pass to heat-conducting plate fast; Heat is directly passed to the inner bag bottom that cements in each other together by the thermal conductive surface on the heat-conducting plate again; Realization is to the heating of inner bag, between thermal conductive surface is bottom inner bag, closely is connected for cementation, got rid of the possibility that can there be the gap in contact-making surface between thermal conductive surface and the inner bag; In order to avoid heat scatters and disappears, save electric energy.
The present invention can also adopt following technical measures to solve.
Said heat-conducting plate comprises heat conduction flat board and concave-board, and the upper opening edge of concave-board is connected with the heat conduction planar bottom surface, and they are Integratively formed by the aluminium plate; Groove on the concave-board is as compressing the chamber; The heat conduction planar surface is as thermal conductive surface, and the heat of electrothermal tube passes to the bigger heat conduction flat board of (heat conduction) area by concave-board, so that the heating surface of inner bag bottom is bigger; More even; And this Integratively formed design of heat-conducting plate, the installation, fixing of heat-conducting plate is convenient in the both production of favourable heat-conducting plate again.
Said inner bag bottom also is connected with temperature controller, to prevent the inner bag dry combustion method, also can monitor the heating-up temperature of inner bag in real time.
Also be connected with ground lead on the said heat-conducting plate, realize earth leakage protective.
For the ease of carrying, said loam cake is provided with flexible handle, and the upper surface of loam cake has handle collection groove, and flexible handle embeds in the handle collection groove; The embedded design of this flexible handle, both attractive in appearance, make things convenient for handle to open and use again.
As scheme more specifically; The two ends of said handle collection groove have spliced eye; The two ends of flexible handle are provided with corresponding inserting column; Flexible handle cooperates with the grafting of spliced eye through the two ends inserting column, so that be flexible connection between flexible handle and the loam cake, and be sectional type between flexible handle and the loam cake; That is: flexible handle both can be opened flexibly, was convenient for carrying, again can disassembly, cleaning.
The wall portion of said shell has the supply socket installation cavity, is provided with supply socket in the installation cavity, and the installation cavity surface of shell is provided with movable shielding cover; Avoid supply socket to expose, both played protective effect, can prevent again to pollute supply socket.
Can setting fastening between said movable shielding cover and the enclosure wall section close be connected, or be to slide connection, also can be that a rotation mode connects, as long as can open movable shielding cover.
The bottom surface of said loam cake also is connected with silica gel sealing ring and inner cap respectively through connector, and inner bag top bearing has steamer, and inner cap is covered on the steamer opening part of inner bag top; So that inner bag top constitutes good insulation (closure) state.
The top of said shell also spiral has loam cake to fasten circle, and the outer wall of loam cake fastening circle is provided with projection, and the loam cake periphery wall extends buckle ear, and the projection that the buckle ear of loam cake and loam cake fasten circle is fastened and connected, and makes the whole fastening of whole electric cooker.
The invention has the beneficial effects as follows.
(1) this kind of miniature electric cooker; Through electric heater unit being made into " heater that is made up of heat-conducting plate, electrothermal tube and insulating heat-conductive layer ", this heater utilizes electrothermal tube, insulating heat-conductive layer to compress compressing between the chamber with heat-conducting plate to be connected, to make heat pass to heat-conducting plate fast; Heat is directly passed to the inner bag bottom that cements in each other together by the thermal conductive surface on the heat-conducting plate again; Realization is to the direct heating of inner bag, between thermal conductive surface is bottom inner bag, closely is connected for cementation, got rid of the possibility that can there be the gap in contact-making surface between thermal conductive surface and the inner bag; In order to avoid heat scatters and disappears, save electric energy.
(2) have again, closely connect between each accessory of this heater, and, heater (thermal conductive surface) bottom inner bag between also for closely to contact, so its thermal efficiency is preferable.
(3) in view of between thermal conductive surface and the inner bag for the face formula contacts, the scope of heating is bigger, can not cause the hot-spot phenomenon; In addition, use the miniature electric cooker of this kind of heater, its volume is less, and lighter weight is fit to single edible needs very much, both be convenient for carrying, and the cost of product is also lower, helps promoting the use of of product.
(4) more have plenty of, this heater both had been fit to alternating current and had used, and can select the direct current heating again, had enlarged the environment for use of product; As: be applicable to that automobile (direct current) upward uses.
(5) this kind of electric cooker also through being covered with movable handgrip last, makes electric cooker easy to carry.
(6) last, electric cooker also has the supply socket installation cavity through the wall portion at shell, is provided with supply socket in the installation cavity, and the installation cavity surface of shell is provided with movable shielding cover; Avoid supply socket to expose, both played protective effect, can prevent again to pollute supply socket.
The specific embodiment
Below in conjunction with accompanying drawing invention is done further to detail.
To shown in Figure 3, a kind of miniature electric cooker comprises shell 1, inner bag 2 and loam cake 3 thereof like Fig. 1; Inner bag 2 is arranged in the shell 1, and it also includes heat-conducting plate 4, electrothermal tube 5 and insulating heat-conductive layer 6, and insulating heat-conductive layer 6 can be the heat conducting film of insulation; Said heat-conducting plate 4 comprises heat conduction dull and stereotyped 401 and concave-board 402, and the upper opening edge of concave-board 402 is connected with dull and stereotyped 401 bottom surfaces of heat conduction, and they are Integratively formed by the aluminium plate; Groove on the concave-board 402 is as compressing chamber 7; Said insulating heat-conductive layer 6 wraps electrothermal tube 5, and they are pressed in compressing in the chamber 7 of heat-conducting plate 4 together, and the thermal conductive surface of heat conduction dull and stereotyped 401 cements in inner bag 2 bottoms through heat-conducting glue 8; This kind of miniature electric cooker utilizes electrothermal tube 5, insulating heat-conductive layer 6 to compress compressing between the chamber 7 with heat-conducting plate 4 and is connected, and makes heat pass to heat-conducting plate 4 fast; Heat is directly passed to inner bag 2 bottoms that cement in each other together by the thermal conductive surface on the heat-conducting plate 4 again; Realization is to the heating of inner bag 2, closely is connected for cementation in view of between thermal conductive surface and inner bag 2 bottoms, got rid of the possibility that can there be the gap in contact-making surface between thermal conductive surface and the inner bag 2; In order to avoid heat scatters and disappears, save electric energy.
Said heat-conducting plate 4 comprises heat conduction dull and stereotyped 401 and concave-board 402; The upper opening edge of concave-board 402 is connected with dull and stereotyped 401 bottom surfaces of heat conduction, and they are Integratively formed by the aluminium plate, and the groove on the concave-board 402 is as compressing chamber 7; Dull and stereotyped 401 surfaces of heat conduction are as thermal conductive surface; The heat of electrothermal tube 5 passes to the bigger heat conduction flat board 401 of (heat conduction) area by concave-board 402, so that being heated of inner bag 2 bottoms is more even, and this Integratively formed design of heat-conducting plate 4; The installation, fixing of heat-conducting plate 4 is convenient in the production of both favourable heat-conducting plate 4 again.
Said inner bag 2 bottoms also are connected with temperature controller 9, to prevent inner bag 2 bottom dry combustion methods, also can monitor the heating-up temperature of inner bag 2 in real time.
Also be connected with ground lead 10 on the said heat-conducting plate 4, realize earth leakage protective.
For the ease of carrying, said loam cake 3 is provided with flexible handle 11, and the upper surface of loam cake 3 has handle collection groove 12, and flexible handle 11 embeds in the handle collection groove 12; The embedded design of this flexible handle 11, both attractive in appearance, make things convenient for handle to open and use again.
As scheme more specifically; The two ends of said handle collection groove 12 have spliced eye 121; The two ends of flexible handle 11 are provided with corresponding inserting column 111; Flexible handle 11 cooperates with the grafting of spliced eye 121 through two ends inserting column 111, so that be flexible connection between flexible handle 11 and the loam cake 3, and be sectional type between flexible handle 11 and the loam cake 3; That is: flexible handle 11 both can be opened flexibly, was convenient for carrying, again can disassembly, cleaning.
The wall portion of said shell 1 has supply socket installation cavity 13, is provided with supply socket in the installation cavity 13, and the installation cavity surface of shell 1 is provided with movable shielding cover 14; Avoid supply socket to expose, both played protective effect, can prevent again to pollute supply socket.
Can setting fastening between said movable shielding cover 14 and the shell 1 wall portion close be connected, or be to slide connection, also can be that a rotation mode connects, as long as can open movable shielding cover 14.
The bottom surface of said loam cake 3 also is connected with silica gel sealing ring 15 and inner cap 16 respectively through connector 19, and inner bag 2 top bearings have steamer 17, and inner cap is covered on the steamer opening part of inner bag 2 tops; So that courage top constitutes good insulation (closure) state.
The top of said shell 1 also spiral has loam cake to fasten circle 18; The outer wall that loam cake fastens circle 18 is provided with projection 181; Loam cake 3 periphery walls extend buckle ear 301, and the buckle ear 301 of loam cake 3 is fastened and connected with the projection 181 that loam cake fastens circle 18, make the whole fastening of whole electric cooker.