CN2904906Y - Food heating platform - Google Patents

Abstract

A food heating platform provided with a flat sheet shape homogeneous heat source, comprises a platform body made of appropriate material, a flat sheet shape heat generation plate with a thickness less than 1mm, and a power supply control unit. When the power in on, the flat sheet shape heat generation plate generates warm heat to reach the effect of food heating and preservation. The flat sheet shape heat generation plate is constructed by an electric heating element layer placed between two insulated sheets, which can be mounted any appropriate surface of the platform body and occupies no space of the platform body, can withstand cold-heat variations and impacts, is easy to clean, has very long service life, can emit heat uniformly owing to the large heat generation area, low surface temperature which can avoid scalding, conquers the shortcomings existed in common food heating platforms such as uneven heating, liable to scalding, potentiality of danger, frequent shutdown.

Description

The food warm stage

Technical field

This creation system is relevant for a kind of food warm stage of tool heating apparatus, especially refer to a kind of food warm stage, can increase safety in utilization with even thermal source, heating component be difficult for fault and service life longer, and evenly distribute temperature, use even heat food and reach heat insulation effect.

Background technology

The place of a large amount of canteens is provided for needs, similarly be company, the factory of supply employee noon dinner, or cafeteria etc., in order to satisfy numerous diners' demand at short notice, usually can be once that a large amount of cooking foods are good, keep the warm of food with the food warmer material again; Especially if temperature lower season properly insulation, is easy to turn cold rapidly and influences local flavor behind the food cooking, also influences diet health simultaneously, and is therefore good quite important to edible insulation preceding from cooking food.

With reference to figure 1 known food warm stage 10 designs, this known food warm stage 10 is to adopt the high electrothermal tube 11 of surface temperature as thermal source, the food incubation chamber 18 of splendid attire food can be emitted on this food warm stage 10 upper stratas, for avoiding having the situation that temperature is too concentrated with electrothermal tube 11 direct heat food, below discharging food incubation chamber 18, be provided with an aqua storage tank 12, produce steam by electrothermal tube 11 heating clear water after this aqua storage tank 12 is put into clear water and energising, the steam that sees through high temperature provides than uniform heating temperature with the usefulness as the food insulation.

With reference to the design of figure 2 known food warm stages 20, this design and Fig. 1 design roughly the same, deposit in clear water in the aqua storage tank 22 to produce the usefulness of steam as the food insulation but change with gas oven 21 as thermal source heating.

But known food warm stage 10 employed electrothermal tube 11 surface temperatures of Fig. 1 are high, scald easily during use, and safety in utilization is relatively poor; If the clear water of aqua storage tank 12 exhausts and does not in time replenish, this electrothermal tube 11 is easily because of the overheated fault of burning, and produce oil smoke unavoidably in the food heat tracing process, easily make electrothermal tube 11 cover with grease and easy to clean not, and this electrothermal tube 11 is a metal material, be immersed in the heating easy corrosion in rear surface in the water for a long time, not only the thermal efficiency can the also easy fault of variation.Though the known food warm stage 20 of Fig. 2 adopts gas oven 21 as thermal source, but temperature is on the contrary not as using electrothermal tube 11 to control easily, and in the numerous dining room of guest and nobody supervise under the situation and to use the stove fire of gas oven 21 to be incubated as food, as just in case stove fire extinguishes gas leakage, probably cause bigger danger.

Design with reference to figure 3 known food insulation meal stoves 30, this design is used as food insulation heating equally, often be used in the western-style restaurant, with adopt alcohol heater 31 that solid-state alcohol acts as a fuel as thermal source directly to depositing in the food heat tracing in the food incubation chamber 38, not only there is thermal source too concentrated, heat uneven shortcoming, and alcohol heater 31 in use may cause fire hazard because of toppling over so that the alcohol fuel leakage.

In addition, adopt thermal source heating clear water to produce the known food warm stage 10,20 of steam, be easy to generate the condensed water that is condensate in upper strata food incubation chamber 18, the food that keeps dry for needs, as crisp fry, as therefore being infected with condensed water also will influence the food delicious food.

In sum, the known heating apparatus that is equipped with has following shortcoming so that the food warm stage 10,20,30 of food heating, heat insulation effect to be provided:

1, electrothermal tube 11 surface temperatures are high, scald easily during use and produce danger, and gas oven 21 is looked after down at nobody probably has stove fire to extinguish gas leakage danger, and alcohol heater 31 might be toppled over the danger of initiation fire equally.

2, easy corrosion also becomes easily infected by greasy dirt in the water because of electrothermal tube 11 is immersed in for a long time, not only influences the thermal efficiency, also easy fault.

3, produce steam in heating clear water mode the food insulation is provided, may influence the food delicious food because condensed water is infected with food.

4, see through the heating clear water and produce the high-temperature vapor mode and be incubated food, energy be indirect utilization in insulation food, but and steam dissipation of energy and wasting, so energy utilization efficiency is relatively poor.

5, adopt the mode of alcohol heater 31 direct heat food, thermal source is too concentrated, and the uneven shortcoming of heating is arranged easily.

6, in order to provide than uniform heating insulation thermal source, known food warm stage 10,20 need be provided with aqua storage tank 12,22, so food warm stage 10,20 need have higher height, also need use more material manufacturing.

Summary of the invention

This creation system is with the thermal source of frivolous tabular heating board as the even heating of food warm stage, and provide the control of power switch, adjustment with power control, with as the food warm stage that possesses heating, heat insulation function, with solve known food warm stage design tool danger, easily fault, easily influence the food delicious food, energy efficiency is relatively poor, heating is inhomogeneous, need shortcomings such as the more material manufacturing of use.

This creation comprises one and makes the stage body, one or most tabular heating boards, a power control of appropriate size with suitable material, and this stage body can be a closed box or the top has the opening that can place the food incubation chamber.These tabular heating boards have an electric heating element layer that can produce thermal source, and coat two heat insulating lamellas that this electric heating element layer also can distribute thermal source, to form a heat-generating units, the thermal source of this electric heating element layer can be distributed equably with insulation food.

This tabular heating board thickness is 1mm only, and can be made as the various sizes of length and width difference, therefore can be installed on arbitrary inner surfaces such as following, left, right, front and rear side of side space under the food incubation chamber of food warm stage, or directly be installed on the food warm stage upper surface of sealing.

The effect of this creation be employed thermal source thickness as thin as a wafer, do not take food warm stage usage space; The thermal source surface temperature is low, can not scald, and promotes safety in utilization; The thermal source heating area is big, temperature is even, can effectively heat, be incubated; Adopt direct mode of heating insulation food, do not need to produce steam mode indirect food, energy utilization efficiency height with the heating clear water; And this thermal source surface is easy to cleaning, long service life is difficult for fault, and is very suitable for the food insulation purposes that is easy to generate oil smoke.

Description of drawings

Fig. 1 is a stereogram, and general food warm stage is described;

Fig. 2 is a stereogram, and general food warm stage is described;

Fig. 3 is a stereogram, and general food insulation meal stove is described;

Fig. 4 is a stereogram, and first preferred embodiment of this creation is described;

Fig. 5 is a stereogram, and the structure of the tabular heating board that this first preferred embodiment is used is described, comprises an electric heating element layer, two Copper Foils and two heat insulating lamellas;

Fig. 6 is a cutaway view, and the structure of the tabular heating board that this first preferred embodiment is used is described, comprises an electric heating element layer, two Copper Foils and two heat insulating lamellas;

Fig. 7 is a stereogram, and second preferred embodiment of this creation is described.

[primary clustering symbol description]

10 food warm stages, 11 electrothermal tubes

12 aqua storage tanks, 18 food incubation chamber

20 food warm stages, 21 gas ovens

22 aqua storage tanks, 30 foods insulation meal stove

31 alcohol heaters, 38 food incubation chamber

40 stage bodies, 41 tabular heating boards

42 power controls, 45 electric heating element layers

46 heat insulating lamellas, 47 Copper Foils

18 food incubation chamber, 50 stage bodies

52 power controls, 53 desks

The specific embodiment

About addressing other technology contents, characteristics and effect before this creation, in the following detailed description that cooperates with reference to graphic preferred embodiment, can clearly understand.

Consult Fig. 4, the food warm stage preferred embodiment of this creation comprises: a stage body 40, a tabular heating board 41, a power control 42, this power control 42 connects tabular heating board 41 with electric wire, in order to the control heating-up temperature, be contained in food in the food incubation chamber 18 with heat tracing.

Consult Fig. 5,6, and each tabular heating board 41 has can produce one of thermal source electric heating element layer 45, these electric heating element layer 45 two ends respectively engage a strip Copper Foil 47 in order to conduction, and seal two heat insulating lamellas 46 that coat this electric heating element layer 45 and strip Copper Foil 47 and can distribute thermal source in the sinter mode.But this electric heating element layer 45 is a kind of graphite linings of conductive exothermal in the present embodiment, can the wire mark mode be uniformly coated on two heat insulating lamellas, 46 faying faces.

This heat insulating lamella 46 is a kind of high temperature resistant, withstand voltage, acid and alkali-resistance, cold-resistant thermal change, shock-resistant, tool elasticity and the glass fibre that is easy to clear up in the present embodiment, is mainly used to protect this electric heating element layer 45, and conduction heat energy.

Because what these tabular heating board 41 thickness were suitable approaches, the thickness that contains heat insulating lamella 46 and electric heating element layer 45 is less than 1mm, just like a piece of paper plate, therefore be installed within the stage body 40 and can not take the space of depositing food incubation chamber 18 in the stage body 40, the length and width size of this tabular heating board 41 can cooperate stage body 40 inner spaces and inner surface size and make simultaneously, so this tabular heating board 41 can be installed on one of stage body 40 or most inner surface arbitrarily.

Because of 45 one-tenth planar even distribution of this electric heating element layer, therefore this tabular heating board 41 has under the big heating area situation, to be equal to the heating power of electrothermal tube 11, gas oven 21 or alcohol heater 31, the surface temperature of these tabular heating board 41 unit ares just can reduce relatively, the danger of being scalded when avoiding using, simultaneously big heating area and the elasticity that can be installed on stage body 40 inner arbitrary inner surfaces also can make stage body 40 temperature inside more even.

When the supply power supply is given these tabular heating boards 41, the electric heating element layer 45 of this tabular heating board 41 generation thermal source that will generate heat, and penetrate this heat insulating lamella 46 and outwards distribute heat energy, the heating temp of this tabular heating board 41 can be regulated by power control 42, food in the food incubation chamber 18 is placed in the stage body 40 can evenly accept heat energy, and reach good heat insulation effect, and unlikelyly make food lose delicious food because of local too high heating-up temperature, but the heat insulating lamella 46 on these tabular heating board 41 surfaces has acid and alkali-resistance simultaneously, the characteristic that is easy to clear up, be installed in stage body 40 inboards as the food warm stage, be easy to cleaning when being infected with the food greasy dirt, and the long-term use of reason is not corroded by oil smoke and is damaged this tabular heating board 41.

Consult Fig. 7, Fig. 2 preferred embodiment for this creation, this preferred embodiment is a desktop food warm stage, comprise a stage body 50, a tabular heating board 41, a power control 52, the structure of this tabular heating board 41 is identical with Fig. 1 preferred embodiment, is the upper surface that directly is installed in this stage body 50.Stage body 50 is positioned on the desktop of general desk 53, food incubation chamber 18 directly is placed in the surface of tabular heating board 41, promptly can be used as food insulation, heating use.To have temperature equally relatively low because of the design of the thermal source of this preferred embodiment, do not take advantages such as stage body 50 inner spaces, therefore this enforcement desktop food warm stage can have 50 designs of thin stage body, be positioned over when using on the desktop of general desk 53, the unlikely desktop that burns desk 53 does not also have and adopts high temperature electric heating tube 11, gas oven 21 or 31 issuable danger of alcohol heater.

According to the above as can be known, the food warm stage of this creation has following advantage:

1. owing to suitable the approaching of thickness of this tabular heating board 41, thickness is 1mm only, just like a piece of paper plate, takies the space in this creation food warm stage when therefore being installed in this creation food warm stage hardly, and the making material is comparatively saved.

2. under equal-wattage, these tabular heating boards 41 are because have bigger area, temperature in the unit are is reduced relatively, the heat energy that comes out still can reach food heating, heat preservation effect, but local temperature is unlikely too high, can not scald when therefore using, and then the security in the lifting use.

3. because suitable the approaching of tabular heating board 41 thickness of this creation use, and length and width size elasticity with the need changes, therefore can be installed on arbitrary surface of stage body, even be installed in the sealing stage body upper surface, and this tabular heating board 41 has bigger heating area, heating temp is even, therefore the heating-up temperature of the food warm stage of this creation is even, when using as the food warm stage, can make the food of insulation heating that heating temperature is uniformly arranged, reach even heat insulation effect, and can keep the delicious food of food, promoted the practicality of using.

4. because this tabular heating board 41 is to provide food insulation heating in xeothermic mode, therefore when not having known food warm stage and producing the steam mode and be incubated heat food with heating, may produce the shortcoming in the condensed water drippage food, therefore this creation more can keep the food delicious food, has promoted the practicality of using.

Since this tabular heating board 41 can be high temperature resistant, withstand voltage, acid and alkali-resistance, humidity, cold-resistant thermal change, shock-resistant, tool elasticity, long service life and be easy to cleaning, therefore even this creation is used in heating, the insulation food process this tabular heating board 41 and is infected with oil smoke, spot, also can clear up easily and keep the conduction of good heat, but the use of energy savings and be difficult for fault.

The above person of thought, only for the present invention's preferred embodiment, when the scope that can not limit this creation enforcement with this, promptly the simple equivalent of being done according to this creation claim and novel patent specification content generally changes and modification, all should still belong in the scope that this novel patent contains.

Claims (5)

1. food warm stage includes:

One makes the stage body of appropriate size with suitable material, stage body be a closed platform shape casing or top have one or most indefinite configured openings for the vessel of placing the splendid attire foods, one or most sheet tabular heating board, a power control, this tabular heating board is to have to lay the heat-generating units that an electric heating element layer that can produce thermal source is constituted between two heat insulating lamellas, one power supply then is connected in series this power control by one group of electric wire and is connected to this tabular heating board, constitutes energising and produces warm person.

2. according to the 1st described food warm stage of claim, wherein, this tabular heating board system is arranged at one of following, left, right, front and rear of this opening inboard, stage body top or most inner surface arbitrarily, or the upper surface of sealing stage body.

3. according to the 1st described food warm stage of claim, wherein the electric wire stage casing of this power supply is serially connected with the power control that can control tabular heating board heating temp.

4. according to the 1st described food warm stage of claim, wherein, but the graphite linings that this electric heating element layer is a kind of conductive exothermal.

5. according to the 1st described food warm stage of claim, wherein, this heat insulating lamella is that a kind of glass fibre material is made.

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