CN104720566A - Cooker - Google Patents
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- CN104720566A CN104720566A CN201510161704.1A CN201510161704A CN104720566A CN 104720566 A CN104720566 A CN 104720566A CN 201510161704 A CN201510161704 A CN 201510161704A CN 104720566 A CN104720566 A CN 104720566A
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Abstract
The invention belongs to the field of living electric apparatus and discloses a cooker. The cooker comprises an outer pot, a liner arranged in the outer pot, and a heater arranged in the outer pot and located below the liner, wherein an air heating cavity is formed between the inner wall of the outer pot and the outer wall of the liner, the heater is an infrared radiation heater which can radiate heat into the air heating cavity, and an axial distance exists between the top surface of the infrared radiation heater and the bottom surface of the liner. According to the cooker, in the specific heating process, the liner is not directly heated by the infrared radiation heater in a contact mode, radiation heating is conducted on air in the air heating cavity by means of the infrared radiation function of the infrared radiation heater, so that hot air is formed, then the outer surface of the liner is comprehensively heated in a three-dimensional mode through the hot air flowing in the air heating cavity, in this way, food in the liner is heated evenly, rapid and even heating of the cooker is achieved effectively, and the cooking effect of the cooker is improved.
Description
Technical field
The invention belongs to living electric apparatus field, particularly relate to cooker.
Background technology
The mode of heating of existing electric cooking pot is generally heating tape mode of heating or metal heating tray mode of heating.But, these two kinds of mode of heatings all Shortcomings part in a particular application, imbody is as follows:
1) power due to heating tape heating is lower, so heating tape mode of heating can not realize the effect of electric cooking pot Fast Heating, has had a strong impact on the efficiency of heating surface of electric cooking pot.
2) as shown in Figure 5, in the electric cooking pot of existing metal heating tray formula, inner bag 2 ＇ is directly placed in outer pot 1 ＇, and the be heated to be contact of metal heating tray 3 ＇ to inner bag 2 ＇ conducts heat, namely metal heating tray 3 ＇ realizes inner bag 2 ＇ bottom-heated by the contact of its end face and inner bag 2 ＇ bottom surface, visible, metal heating tray 3 ＇ mode of heating is the direct heating to inner bag 2 ＇ local location, like this, the food in inner bag 2 ＇ can be caused to there is the temperature difference, had a strong impact on the culinary art effect of food.In addition, side margins due to its temperature sensor 5 ＇ upper cover body is direct contacting metal heat-generating disc 3 ＇, therefore, in heating process, heat on metal heating tray 3 ＇ can be delivered on the lid of temperature sensor 5 ＇, thus have impact on the judgement of temperature sensor 5 ＇ to perceived inner bag 2 ＇ temperature, and then easily occur because temperature sensor 5 ＇ error in judgement causes electric cooking pot to cook bad phenomenon, have a strong impact on the culinary art reliability of electric cooking pot.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide cooker, which solve that existing electric cooking pot cannot realize fast, the technical problem of homogeneous heating.
For achieving the above object, the technical solution used in the present invention is: cooker, comprise outer pot, be located at the inner bag in described outer pot and be located in described outer pot and the heater be positioned at below described inner bag, formation one air heat chamber is enclosed between the inwall of described outer pot and the outer wall of described inner bag, described heater is to the infrared-radiation heater of described air heat intracavitary irradiation heat, and can there is axial spacing between the bottom surface of the end face of described infrared-radiation heater and described inner bag.
Preferably, above-mentioned cooker also comprises heat shield, and described heat shield to be fixedly installed in described outer pot and to form a part for described outer pot inwall.
Preferably, be provided with upper connection edge and lower connection edge that upper and lower interval is oppositely arranged in described outer pot, the top of described heat shield and bottom are fastenedly connected described upper connection edge and described lower connection edge respectively by locking member.
Preferably, described heat shield comprises hollow cover body, be convexly equipped in the screens edge, top on described hollow cover body top and be convexly equipped in the screens edge, bottom of described hollow cover body bottom, and screens edge, described top and screens edge, described bottom are fastenedly connected described upper connection edge and described lower connection edge respectively by described locking member.
Preferably, described heat shield be located at described upper connection edge with described under be connected between edge, and screens edge, described top be all convexly equipped with joint pin for being connected with described locking member back to the end face at described upper connection edge and the end face back to described lower connection edge at screens edge, described bottom.
Preferably, described infrared-radiation heater comprises heating wire, the ceramics insulator that adopts ceramic mud sinter molding outside described heating wire and be located at the external lead-in wire of described ceramic insulation, and one end of described lead-in wire is connected with described heating wire.
Preferably, above-mentioned cooker also comprises temperature sensor, and described infrared-radiation heater is provided with installing hole, and described temperature sensor wears and is installed in described installing hole, and the end face of described temperature sensor abuts with the bottom surface of described inner bag and coordinates.
Preferably, described temperature sensor comprises sensor body and is sheathed on the outer cup outside described sensor body, and described sensor body floating elastic is installed in described outer cup, and described sensor body has the induction end face abutting with described inner bag and coordinate.
Preferably, the spout hole being communicated with described air heat chamber and outside atmosphere is formed on described outer pot and/or on described inner bag.
Preferably, above-mentioned cooker is electric cooking pot or electric cooker.
Cooker provided by the invention, infrared-radiation heater is adopted to replace the heater of existing cooker, the infrared radiation function of infrared-radiation heater can be utilized, make infrared-radiation heater not only can carry out radiation heating to inner bag but also radiation heating can have been carried out to the air of inner bag periphery, even if thus make infrared-radiation heater not contact with inner bag also can its heat radiation to be passed on inner bag, to be beneficial to the non-contact thermal realizing cooker heater.Simultaneously, it is by making to enclose formation one air heat chamber between the inwall of outer pot and the outer wall of inner bag, make to there is axial spacing between the bottom surface of inner bag and the end face of infrared-radiation heater, like this, in the concrete heating process of cooker, infrared-radiation heater is not directly carry out contact heating to inner bag, but by carrying out radiation heating to the air in air heat chamber and forming hot-air, and by flowing in the hot-air in air heat chamber, omnibearing stereo heating is carried out to the outer surface of inner bag, and then the food thermally equivalent making in inner bag, achieve the quick of cooker, homogeneous heating effect, improve the culinary art effect of cooker.
Particularly, when the structure of above-mentioned cooker being applied in electric cooking pot or electric cooker, effectively can improve the culinary art effect of electric cooking pot or electric cooker or electric pressure cooking saucepan; When being especially applied in electric cooking pot, the mouthfeel that electric cooking pot stews can be improved well.
Accompanying drawing explanation
Fig. 1 is the generalized section of the cooker that the embodiment of the present invention provides;
Fig. 2 is the close-up schematic view at A place in Fig. 1;
Fig. 3 is the schematic perspective view of the heat shield that the embodiment of the present invention provides;
Fig. 4 is the generalized section of the infrared-radiation heater that the embodiment of the present invention provides;
Fig. 5 is the generalized section of the electric cooking pot of the metal dish heated type that prior art provides.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " connection " another element, it can be directly connect another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower, the top in following examples, end, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As shown in figures 1 and 3, the cooker that the embodiment of the present invention provides, comprise outer pot 1, be located at the inner bag 2 in outer pot 1, to be located in outer pot 1 and the heater 3 be positioned at below inner bag 2 and be fixedly installed in the heat shield 4 of outer pot 1, heat shield 4 forms a part for outer pot 1 inwall, formation one air heat chamber 100 is enclosed between the inwall of outer pot 1 and the outer wall of inner bag 2, heater 3 is can to the infrared-radiation heater 3 of radiations heat energy in air heat chamber 100, and there is axial spacing H between the bottom surface (wall being positioned at lowermost end of inner bag 2) of the end face of infrared-radiation heater 3 (wall being positioned at top of infrared-radiation heater 3) and inner bag 2.Axial spacing H specifically refers to the bottom surface of inner bag 2 and the end face of infrared-radiation heater 3 projector distance axially at infrared-radiation heater 3.The setting of axial spacing H, can make infrared-radiation heater 3 be not directly carry out contact heating to inner bag 2.Heat shield 4 concrete employing heat-proof quality preferably material is made, as nonmetal heat-insulating material etc.The cooker that the embodiment of the present invention provides, in concrete heating process, its infrared-radiation heater 3 is not directly carry out contact heating to inner bag 2, but utilize the infrared radiation function of infrared-radiation heater 3 carry out radiation heating to the air in air heat chamber 100 and form hot-air, and hot-air can flow in air heat chamber 100, thus a hot-air convection passage can be formed between heat shield 4 and inner bag 2, and then by the hot-air flowed in air heat chamber 100, omnibearing stereo heating is carried out to the outer surface of inner bag 2, make food 7 thermally equivalent in inner bag 2, effectively achieve the quick of cooker, homogeneous heating effect, improve the culinary art effect of cooker.
Preferably, heat shield 4 is installed by locking member (figure does not indicate) and is positioned in outer pot 1.The present embodiment is by the connection function of locking member, and effectively can realize the installation of heat shield 4 in outer pot 1 and fix, it is easy for installation, reliably fastening.Locking member specifically can be the combination etc. of screw or rivet or latch or screw and nut.
Preferably, as shown in figures 1 and 3, be provided with upper connection edge 101 and lower connection edge 102 that upper and lower interval is oppositely arranged in outer pot 1, the top of heat shield 4 and bottom are fastenedly connected upper connection edge 101 and lower connection edge 102 respectively by locking member.The present embodiment is by the setting at upper connection edge 101 and lower connection edge 102, and heat shield 4 can be made to be installed on after on outer pot 1, and the top of heat shield 4 and bottom all can obtain effective location, thus ensure that heat shield 4 is installed on the solid and reliable property in outer pot 1.
Preferably, as shown in figures 1 and 3, heat shield 4 comprises hollow cover body 401, be convexly equipped in the screens edge, top 402 on hollow cover body 401 top and be convexly equipped in the screens edge, bottom 403 of hollow cover body 401 bottom, screens edge, top 402 and screens edge, bottom 403 are all convexly equipped in the periphery of hollow cover body 401, and screens edge, top 402 and screens edge, bottom 403 are fastenedly connected upper connection edge 101 and lower connection edge 102 respectively by locking member.The present embodiment, by the setting at screens edge, top 402 and screens edge, bottom 403, can be more conducive to heat shield 4 with on be connected the connection at edge 101, lower connection edge 102; And just increase the radial dimension of heat shield 4 in local due to screens edge, top 402 and screens edge, bottom 403, therefore, it is ensureing that heat shield 4 is with under the prerequisite of outer pot 1 connection reliability, can make the wall ratio of hollow cover body 401 thinner, thus be beneficial to the material cost reducing heat shield 4.
Preferably, as shown in figures 1 and 3, heat shield 4 is all placed in outer pot 1, and heat shield 4 be located at connection edge 101 with under be connected between edge 102, screens edge, top 402 be all convexly equipped with joint pin 404 for being connected with locking member back to the end face at upper connection edge 101 and the end face back to lower connection edge 102 at screens edge, bottom 403.All being provided with to extend on joint pin 404 with the position that each joint pin 404 contraposition on it is arranged of screens edge, top 402 wears for locking member the first connecting hole (not shown) be connected, and being all provided with to extend on joint pin 404 with the position that each joint pin 404 contraposition on it is arranged of screens edge, bottom 403 wears for locking member the second connecting hole (not shown) be connected.The setting of joint pin 404, is beneficial to the structural strength strengthening heat shield 4 connecting portion place, thus is beneficial to the connection reliability improving heat shield 4 and outer pot 1 further.
Preferably, axial spacing H is more than or equal to 3mm, like this, be beneficial to heat that infrared-radiation heater 3 produces better radiation in the air in air heat chamber 100, thus be beneficial to and ensure the uniformity that food 7 is heated in inner bag 2 better.
Preferably, the spout hole 21 being communicated with air heat chamber 100 and outside atmosphere is formed on outer pot 1 and/or on inner bag 2.As shown in Figure 1, as a specific embodiments of the present embodiment, the spout hole 21 being provided with and being communicated with air heat chamber 100 is run through on the top sides edge of inner bag 2, like this, make the unnecessary hot-air of the part of cooker in heating process in air heating chamber 100 can flow out outside air heat chamber 100 from spout hole 21, thus prevent the unlimited increase of air heat chamber 100 internal gas pressure, and then ensure that the security reliability that product uses.In addition, the hot-air in air heat chamber 100 can also be made to have mobility by arranging of spout hole 21, prevent the hot-air in air heat chamber 100 from producing temperature difference, make the levels homogeneous temperature in air heat chamber 100, the large I of spout hole 21 adjusts the mobility of the air ensured in air heat chamber 100 suitably as required, thus ensures the uniform heating effect of air heat chamber 100 levels.Of course, the set-up mode of spout hole 21 is not limited to shown in Fig. 1, also on the contact site of outer pot 1 and inner bag 2 or outer pot 1, can arrange spout hole 21 by other suitable positions.
Preferably, as shown in Figure 1 and Figure 4, the ceramics insulator 32 that infrared-radiation heater 3 comprises heating wire 31, adopt ceramic mud sinter molding outside heating wire 31 and the lead-in wire 33 be located at outside ceramics insulator 32, one end of lead-in wire 33 is connected with heating wire 31, and ceramics insulator 32 is fastenedly connected outer pot 1 by several securing members 6.Above-mentioned axial spacing H is specially the bottom surface of inner bag 2 and the end face of ceramics insulator 32 projector distance axially at ceramics insulator 32.The setting of lead-in wire 33, is mainly used in the electrical connection realizing heating wire 31 and power supply, thus power supply can be made can to encourage cooker infrared-radiation heater 3 outwards radiations heat energy.The infrared-radiation heater 3 that the present embodiment provides, in concrete manufacture process, heating wire 31 to be imbedded in ceramic mud sinter molding together, like this, cooker infrared-radiation heater 3 can be made to have good insulating properties, and make the cooker infrared-radiation heater 3 of sinter molding have infrared radiation function, and then even if infrared-radiation heater 3 is not contacted with inner bag 2 also its heat radiation can be passed on inner bag 2, be beneficial to the non-contact thermal realizing infrared-radiation heater 3, and be beneficial to and realize the quick of cooker, homogeneous heating effect.
Preferably, as shown in Figure 1 and Figure 4, outer pot 1 is provided with quantity three connecting hole identical with securing member 6 quantity (scheming not indicate), infrared-radiation heater 3 is provided with quantity four connecting hole 36 identical with securing member 6 quantity, each 4th connecting hole 36 is arranged with each 3rd connecting hole contraposition respectively, each securing member 6 wears respectively and is installed in each 3rd connecting hole and Ge tetra-connecting hole 36, and namely each securing member 6 wears and is installed in the 3rd connecting hole and the 4th connecting hole 36.Be installed on after in each 3rd connecting hole and Ge tetra-connecting hole 36 when each securing member 6 wears respectively, can be locked on outer pot 1 by infrared-radiation heater 3, its installation process is simple, reliably fastening.
Preferably, securing member 6 is screw, each 4th connecting hole 36 is all for running through the light through hole be located on ceramics insulator 32, and each 3rd connecting hole is all for being located at the screwed hole on outer pot 1, and each securing member 6 is arranged in each 4th connecting hole 36 each 3rd connecting hole that is also threaded respectively respectively.Light through hole specifically refers to the through hole of inner wall smooth (not having the technology characteristics such as screw thread, annular knurl, wire drawing).Each 4th connecting hole 36 is all set to the light through hole running through and be located on ceramics insulator 32, the manufacturing process of the 4th connecting hole 36 can be made fairly simple, thus be beneficial to the manufacture difficulty reducing infrared-radiation heater 3; And if each 4th connecting hole 36 is all set to the screwed hole be located on ceramics insulator 32, then can make screw thread easily or burst apart by the impact of ceramics insulator 32 material characteristics, as can be seen here, each 4th connecting hole 36 is all set to light through hole, also can be beneficial to the long-term effectiveness of guarantee the 4th connecting hole 36, thus be beneficial to the solid and reliable property ensureing that infrared-radiation heater 3 is installed.In the present embodiment, securing member 6 adopts thread connecting mode to install, and it is fastening reliable, easy for installation; And be not be located on ceramics insulator 32 due to it for the screwed hole be threaded with securing member 6, therefore it is beneficial to the long-term effectiveness ensureing that securing member 6 is threaded, thus ensure that the solid and reliable property that infrared-radiation heater 3 is installed.
Or, as the alternate embodiment of above-mentioned securing member 6 set-up mode, securing member 6 is the combination of bolts and nuts, each 3rd connecting hole is all for being located at the light through hole on outer pot 1, each 4th connecting hole 36 is all for running through the light through hole be located on ceramics insulator 32, and each bolt is arranged in each 3rd connecting hole and Ge tetra-connecting hole 36 each nut that is also threaded respectively respectively.Like this, also the mounting means that is threaded of securing member 6 can be realized, and the screwed hole being used for securing member 6 and being threaded also is not set on ceramics insulator 32 due to it, therefore, it also can be beneficial to the long-term effectiveness ensureing that securing member 6 is threaded, thus ensure that the solid and reliable property that infrared-radiation heater 3 is installed.Of course, in embody rule, securing member 6 also can be set to other element, as rivet or latch etc.
Preferably, as shown in Figure 4, above-mentioned infrared-radiation heater 3 also comprises the insulating sleeve 34 be sheathed on outside lead-in wire 33.The setting of insulating sleeve 34, can play the effect of insulation and protection on the one hand, thus be beneficial to the security reliability improving product and use to lead-in wire 33; The effect of location can be played on the other hand to lead-in wire 33, be beneficial to and prevent lead-in wire 33 from producing interference with other parts in cooker.
Preferably, insulating sleeve 34 adopts ceramic material to make.Because the insulating properties of ceramic material, structural strength and rigidity are all better, therefore insulating sleeve 34 adopts ceramic material to make, and insulating sleeve 34 can be made all better to the insulation of lead-in wire 33, protection and locating effect.
Preferably, ceramics insulator 32 is disc-shaped structure, and its structure is simple, it is shaping to be easy to manufacture.
Preferably, as depicted in figs. 1 and 2, above-mentioned cooker also comprises temperature sensor 5, and infrared-radiation heater 3 is provided with installing hole 35, and temperature sensor 5 wears and is installed in installing hole 35, and the end face of temperature sensor 5 abuts with the bottom surface of inner bag 2 and coordinates.The setting of temperature sensor 5, is mainly used in the temperature detecting inner bag 2 in real time, thus is beneficial to the culinary art effect improving food 7 and the combination property improving cooker.The setting of installing hole 35 on infrared-radiation heater 3, both be beneficial to and realized temperature sensor 5 and coordinate with abutting of inner bag 2, be beneficial to again and prevent temperature sensor 5 and infrared-radiation heater 3 from producing interference, also can be beneficial to the structural compactness improving cooker simultaneously.
Preferably, as shown in Figure 1, Figure 2 and Figure 4, installing hole 35 runs through the center position being located at ceramics insulator 32, and each 4th connecting hole 36 is around the periphery being distributed in installing hole 35, like this, that can avoid on the one hand the 4th connecting hole 36 and installing hole 35 arranges generation interference; Infrared-radiation heater 3 can be made on the other hand to be installed on its distribution of force after on outer pot 1 more even.Heating wire 31 is the preferred periphery around being distributed in installing hole 35 also, like this, is beneficial to even, symmetrical in ceramics insulator 32 of heating wire 31, and then is beneficial to the uniformity ensureing the outside radiations heat energy of infrared-radiation heater 3.
Preferably, as depicted in figs. 1 and 2, temperature sensor 5 comprises sensor body 51 and is sheathed on the outer cup 52 outside sensor body 51, and sensor body 51 floating elastic is installed in outer cup 52, and sensor body 51 has and abuts with inner bag 2 bottom surface the induction end face 5121 coordinated.The bottom surface of inner bag 2 is planar base surface, the induction end face 5121 of temperature sensor 5 is flat top surface, namely the bottom surface of inner bag 2 and the induction end face 5121 of temperature sensor 5 are all flat surface, like this, be beneficial to and ensure that sensor body 51 and inner bag 2 have larger contact area, thus be beneficial to the reliability ensureing temperature sensor 5 temperature-sensitive.Sensor body 51 floating elastic is installed in outer cup 52, specifically refer to that sensor body 51 wears to be installed on after in outer cup 52 still to move up and down along the axis of outer cup 52, thus be beneficial to and ensure that the induction end face 5121 of sensor body 51 in heating process remains and to coordinate with abutting of inner bag 2, and then ensure that the reliability of temperature sensor 5 temperature-sensitive.The temperature sensor 5 that the present embodiment provides, by setting up an outer cup 52 outside sensor body 51, like this, the heat on infrared-radiation heater 3 can be effectively prevented directly to be passed in sensor body 51, thus to prevent on infrared-radiation heater 3 heat on the impact of sensor body 51 temperature-sensitive result, the heat avoided on infrared-radiation heater 3 judges the impact of inner bag 2 temperature on temperature sensor 5, and then avoid because temperature sensor 5 error in judgement causes cooker to cook bad phenomenon generation, ensure that the culinary art reliability of cooker.
Preferably, as depicted in figs. 1 and 2, radial spacing L is there is between the lateral wall of sensor body 51 and the madial wall of outer cup 52, like this, be beneficial to and form an air heat-insulation layer between sensor body 51 and outer cup 52, thus be beneficial to the heat reducing and to be passed to from outer cup 52 in sensor body 51, and then prevent the heat that infrared-radiation heater 3 produces to be passed in sensor body 51 through outer cup 52, the heat that effectively prevent on infrared-radiation heater 3 judges the impact of inner bag 2 temperature on temperature sensor 5, ensure that the accuracy of sensor body 51 pairs of inner bag 2 thermometrics.In the present embodiment, radial spacing L specifically refers to the lateral wall of sensor body 51 and the projector distance of madial wall in the radial direction of outer cup 52 of outer cup 52.
More preferably, radial spacing L is 3mm ~ 7mm.If radial spacing L establishes too small, then easily cause because of manufacturing tolerance sensor body 51 to wear when being installed in outer cup 52 catching phenomenon occurs, and easily cause the phenomenon of effect of heat insulation difference between outer cup 52 and sensor body 51 to occur because the spaced heat air of outer cup 52 and sensor body 51 is very few; And if radial spacing L establishes too much, then the situation that outer cup 52 volume is excessive, infrared-radiation heater 3 efficient heat generation area is too small can be caused to occur.In the present embodiment, radial spacing L is set between 3mm ~ 7mm, both can prevent sensor body 51 from wearing when being installed in outer cup 52 and catching phenomenon had occurred, the thermometric accuracy of heat to sensor body 51 can effectively avoiding again infrared-radiation heater 3 to produce has an impact, also can prevent the situation that outer cup 52 volume is excessive, infrared-radiation heater 3 efficient heat generation area is too small from occurring, its combination property is better simultaneously.
Particularly, as depicted in figs. 1 and 2, sensor body 51 comprises interior cup 511, be covered on the lid 512 at interior cup 511 top and be located in interior cup 511 and the temperature-sensing element (scheming not indicate) be connected with lid 512 heat transfer, induction end face 5121 is the top surface back to temperature-sensing element of lid 512, between the lateral wall that above-mentioned radial spacing L is formed at interior cup 511 and the madial wall of outer cup 52.Lid 512 concrete employing heat conductivility preferably material is made, and like this, by the setting of lid 512, both can ensure that sensor body 51 and inner bag 2 had larger contact area, and can ensure that again temperature-sensing element can be accurately measured the temperature on inner bag 2.The cooker temperature sensor 5 that the present embodiment provides, two a set of cups sensor construction is combined to form by interior cup 511 and outer cup 52, the heat be passed to from infrared-radiation heater 3 on temperature-sensing element can be reduced dramatically, avoid because the heat on infrared-radiation heater 3 is directly radiated in sensor body 51 and temperature sensor 5 is judged that inner bag 2 temperature impacts.
Preferably, as depicted in figs. 1 and 2, sensor body 51 also comprises for the geometrical clamp 513 on lid 512 that is locked by temperature-sensing element.The setting of geometrical clamp 513, the installation that effectively can realize temperature-sensing element is fixed, and it is easy for installation, structure is simple.Of course, in embody rule, temperature-sensing element is also mounted on lid 512 by alternate manner, as temperature-sensing element can bonding or welding or riveted joint or screw to be connected to lid 512 first-class.
Particularly, as depicted in figs. 1 and 2, outer cup 52 has and can be arranged in cup in installing hole 35 521 and be convexly equipped in cup 521 top and be stuck in the screens flange 522 outside installing hole 35.The radial dimension of screens flange 522 is greater than the radial dimension of cup 521, and when specifically installing, outer cup 52 blocks slotting being installed in installing hole 35 from top to bottom, and screens flange 522 is stuck in outside installing hole 35.Because it just realizes the installation of temperature sensor 5 on infrared-radiation heater 3 by screens flange 522 and the screens of installing hole 35, therefore its installation process is very simple, and it is beneficial to the number of components reducing product.
Particularly, sensor body 51 is installed in outer cup 52 by spring or the elastic component such as hollow elasticity plastic tube or shell fragment (figure does not indicate), like this, all can realize the floating elastic of sensor body 51 in outer cup 52 and install.
Preferably, above-mentioned cooker is electric cooking pot or electric cooker or electric pressure cooking saucepan.When the structure of above-mentioned cooker being applied in electric cooking pot or electric cooker or electric pressure cooking saucepan, the culinary art effect of electric cooking pot or electric cooker or electric pressure cooking saucepan effectively can be improved; When being especially applied in electric cooking pot, the mouthfeel of the soup that electric cooking pot is stewed out can be improved well.
The operation principle of the cooker that the embodiment of the present invention provides is: in the heating process of cooker, the heat that infrared-radiation heater 3 produces can heat the air in air heat chamber 100 and form hot-air, and hot-air can flow in air heat chamber 100, thus a hot-air convection passage can be formed between heat shield 4 and inner bag 2; And the hot-air flowed in air heat chamber 100 can carry out omnibearing stereo heating to the outer surface of inner bag 2, and then make food 7 thermally equivalent in inner bag 2, improve culinary art effect and the efficiency of heating surface of cooker.And the setting of outer cup 52 on temperature sensor 5, sensor body 51 can be avoided directly to be subject to the heat radiation of infrared-radiation heater 3, to reduce the impact of temperature sensor 5 temperature-sensitive performance by infrared-radiation heater 3 dramatically.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. cooker, comprise outer pot, be located at the inner bag in described outer pot and be located in described outer pot and the heater be positioned at below described inner bag, it is characterized in that: between the inwall of described outer pot and the outer wall of described inner bag, enclose formation one air heat chamber, described heater is to the infrared-radiation heater of described air heat intracavitary irradiation heat, and can there is axial spacing between the bottom surface of the end face of described infrared-radiation heater and described inner bag.
2. cooker as claimed in claim 1, is characterized in that: also comprise heat shield, and described heat shield to be fixedly installed in described outer pot and to form a part for described outer pot inwall.
3. cooker as claimed in claim 2, it is characterized in that: be provided with upper connection edge and lower connection edge that upper and lower interval is oppositely arranged in described outer pot, the top of described heat shield and bottom are fastenedly connected described upper connection edge and described lower connection edge respectively by locking member.
4. cooker as claimed in claim 3, it is characterized in that: described heat shield comprises hollow cover body, be convexly equipped in the screens edge, top on described hollow cover body top and be convexly equipped in the screens edge, bottom of described hollow cover body bottom, and screens edge, described top and screens edge, described bottom are fastenedly connected described upper connection edge and described lower connection edge respectively by described locking member.
5. cooker as claimed in claim 4, it is characterized in that: described heat shield be located at described upper connection edge with described under be connected between edge, and screens edge, described top be all convexly equipped with joint pin for being connected with described locking member back to the end face at described upper connection edge and the end face back to described lower connection edge at screens edge, described bottom.
6. the cooker as described in any one of claim 1 to 5, it is characterized in that: described infrared-radiation heater comprises heating wire, the ceramics insulator that adopts ceramic mud sinter molding outside described heating wire and be located at the external lead-in wire of described ceramic insulation, and one end of described lead-in wire is connected with described heating wire.
7. cooker as claimed in claim 6, it is characterized in that: also comprise temperature sensor, described infrared-radiation heater is provided with installing hole, and described temperature sensor wears and is installed in described installing hole, and the end face of described temperature sensor abuts with the bottom surface of described inner bag and coordinates.
8. cooker as claimed in claim 7, it is characterized in that: described temperature sensor comprises sensor body and is sheathed on the outer cup outside described sensor body, and described sensor body floating elastic is installed in described outer cup, described sensor body has the induction end face abutting with described inner bag and coordinate.
9. the cooker as described in any one of claim 1 to 5, is characterized in that: be formed with the spout hole being communicated with described air heat chamber and outside atmosphere on described outer pot and/or on described inner bag.
10. the cooker as described in any one of claim 1 to 5, is characterized in that: this cooker is electric cooking pot or electric cooker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161704.1A CN104720566B (en) | 2015-04-07 | 2015-04-07 | Cooker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161704.1A CN104720566B (en) | 2015-04-07 | 2015-04-07 | Cooker |
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| CN104720566A true CN104720566A (en) | 2015-06-24 |
| CN104720566B CN104720566B (en) | 2017-05-24 |
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| CN201510161704.1A Active CN104720566B (en) | 2015-04-07 | 2015-04-07 | Cooker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001282A1 (en) * | 2016-06-28 | 2018-01-04 | 佛山市顺德区美的电热电器制造有限公司 | Electrically-heated food processing appliance with radiant heating infrared plate and electric stewing pot using infrared plate |
| CN107536442A (en) * | 2016-06-28 | 2018-01-05 | 佛山市顺德区美的电热电器制造有限公司 | A kind of infrared drum electric heating food processing apparatus of radiant type heating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004160203A (en) * | 2003-09-25 | 2004-06-10 | Hitachi Hometec Ltd | Rice cooker |
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| CN204561859U (en) * | 2015-04-07 | 2015-08-19 | 佛山市顺德区美的电热电器制造有限公司 | Cooker |
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| JP2004160203A (en) * | 2003-09-25 | 2004-06-10 | Hitachi Hometec Ltd | Rice cooker |
| CN2698216Y (en) * | 2004-04-16 | 2005-05-11 | 罗喜沃 | Ceramic electric heating pot |
| CN2840863Y (en) * | 2005-11-08 | 2006-11-29 | 袁振华 | A kind of radiation heating electric cooker |
| CN200942013Y (en) * | 2006-09-01 | 2007-09-05 | 李胜才 | Ceramic electric cooker with energy-saving heat-transfer device |
| CN1935066A (en) * | 2006-10-12 | 2007-03-28 | 美的集团有限公司 | Electric rice cooker |
| CN201230821Y (en) * | 2007-12-10 | 2009-05-06 | 浙江苏泊尔家电制造有限公司 | Inner boiler supporting structure of electric food warmer |
| CN203828640U (en) * | 2014-04-09 | 2014-09-17 | 浙江苏泊尔家电制造有限公司 | Electric stewpot |
| CN204561859U (en) * | 2015-04-07 | 2015-08-19 | 佛山市顺德区美的电热电器制造有限公司 | Cooker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001282A1 (en) * | 2016-06-28 | 2018-01-04 | 佛山市顺德区美的电热电器制造有限公司 | Electrically-heated food processing appliance with radiant heating infrared plate and electric stewing pot using infrared plate |
| CN107536442A (en) * | 2016-06-28 | 2018-01-05 | 佛山市顺德区美的电热电器制造有限公司 | A kind of infrared drum electric heating food processing apparatus of radiant type heating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104720566B (en) | 2017-05-24 |
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