CN101672488A - Cooking device - Google Patents

Abstract

The invention relates to a cooking device. The device comprises cooking space, a cooling flow path and a leading device, wherein the cooling flow path which enables air to flow to an exhaust port outside the cooking device is arranged on at least one side of the cooking space; and the leading device is positioned close to the exhaust port for leading the exhaust direction of the air. For example,in the cooking device, the leading device covers part of directions of the exhaust port so as to ensure that the air bypasses the leading device and is exhausted from the exhaust port. The structure of the cooking device can prolong the length of the cooling flow path, prolongs the time of heat exchange of the air stayed in the cooking device with the cooking device so as to improve the cooling performance of products.

Description

Cooker

Technical field

The present invention relates to utilize the device of heating using microwave, say in more detail, relate to a kind ofly in order to prolong cooling flowing path and to improve cooling effect, and near the outlet of air, be provided with the cooker of guiding device.

Background technology

In general, cooker is a kind ofly to produce heat in set cooking space, and the device that food is cooked.It comprises micro-wave oven, possesses the micro-wave oven of electric oven function, electric oven etc.

Electric components such as the magnetron that uses in the cooking operation, high-voltage capacitor, high-tension transformer and convection current/pharoid can produce bigger heat when work, at this moment, if fail above-mentioned electric component is cooled off fully, to cause electric component impaired, and the cooker that causes because of electric component is impaired break down and the problem of maloperation.Therefore, generally in cooker, be provided with and produce the cooling fan that air flows for the cooling electric parts, and the cooling flowing path that flows and form by the air that cooling fan produces.

Recently, the more micro-wave oven that possesses electric oven function of developing in cooker, the micro-wave oven that possesses electric oven function carries out cooking operation by the microwave irradiation that will generate in the magnetron to food, or will carry out convection current/radiation and heat food by the air of the high temperature of heating around heater.In above-mentioned cooker, a plurality of electric components are installed in limited installing space, therefore need to improve its cooling performance especially.

Summary of the invention

In order to solve problems of the prior art, the object of the present invention is to provide a kind of prolongation to be used to cool off the length of the cooling flowing path of cooker, can be for a long time and the cooker cooker that carries out heat exchange thereby the air that forms cooling flowing path is flowed.

Another object of the present invention is to provide a kind of cooker, make the smooth and easy cooker outside that is discharged to of air that temperature rises by the heater of cooling down high-temperature state.

In order to achieve the above object, the cooker among the present invention includes following several sections: cooking space; Via at least one side of above-mentioned cooking space, be provided with the cooling flowing path that makes air flow to the outlet of cooker outside; Be positioned near the above-mentioned outlet, be provided with the guiding device that is used to guide air discharge direction.For example, in the present invention, guiding device will cover a part of direction of outlet, thereby air is made a circulation in guiding device, and discharge by outlet.By the structure among aforesaid the present invention, can prolong the length of cooling flowing path, the time that prolongs that air stays in the cooker and carry out heat exchange with cooker, thus can improve the cooling performance of product.

In the cooker of another embodiment of the present invention, it comprises the base that is provided with outlet, for example, forms the space between cooking space and base, and this space promptly is a lower space, can flow into the air of the cooling flowing path of space formation from the side by lower space.

In the cooker of another embodiment of the present invention, guiding device extends to form cooking space from base, and by aforesaid structure, guiding device can be breaking at the interval cooling flowing path that forms of a part of outlet fully.

In the cooker of another embodiment of the present invention, outlet is positioned at the central portion of base, when outlet is positioned at the position, corner of base, flowing of air may be in the state of excessive stagnation, wherein, central portion is not the centre position that refers to base, but the interior zone of the corner base in addition of base is removed in expression.

In the cooker of another embodiment of the present invention, cooling flowing path will be through at least two in the rear space of cooking space, upper space, lower space, the lateral space.

In the cooker of another embodiment of the present invention, the inside of cooling flowing path process cooking space, by aforesaid structure, the smell and the heat of the cooking space inside that will generate in the time of can removing cooking food.

In the cooker of another embodiment of the present invention, cooling flowing path will begin from the rear space of cooking space to form, for example, the electric component that culinary arts such as magnetron, high-tension transformer, high-voltage capacitor and convection heater are used is set at the rear of cooking space, and, the bottom in space is provided with cooling fan in the wings in order to cool off above-mentioned parts, thus, to cool off the parts that are provided with in the rear space by the air of above-mentioned cooling fan generation is mobile, and flow to upper space and lateral space from the rear space of cooking space.

In the cooker of another embodiment of the present invention, guiding device will cover outlet the place ahead, rear, left and right-hand in three directions, by aforesaid structure, cooling flowing path towards three directions that are directed the device cut-out will be to not being directed the direction prolongation formation that device cuts off, thus, to make the mobile time lengthening that rests in the cooker of the air that forms cooling flowing path, thereby make itself and cooker carry out the time lengthening of heat exchange, can improve cooling performance.

In the cooker of another embodiment of the present invention, also include: be positioned at the heater on the cooling flowing path of cooking space top; Side at heater is provided with the dividing plate that is used for the cooling flowing path via heater is directed to a sidepiece of cooking space.And, other electric component except heater will be installed on other position except the downstream part of the cooling flowing path of heater, by aforesaid structure, particularly will cool off the bigger heater of caloric value, thereby the air that prevents high temperature flow to other electric component, and causes other parts to break down and the situation of maloperation.

In the cooker of another embodiment of the present invention, outlet is arranged on a side of the cooking space that flows through than the more close cooling flowing path that passes through heater of the opposite side of cooking space, by aforesaid structure, can shorten the time that the cooling flowing path through the relatively-high temperature heater stops in cooker.

In the cooker of another embodiment of the present invention, also include: be installed in the bottom at cooking space rear, forced air flow forms the cooling fan of cooling flowing path; In order to prevent to form the cooling flowing path that is directly connected to the cooking space bottom from the bottom at cooking space rear, be provided with the back square bearer at the rear of cooking space.By aforesaid structure, can prevent the mobile bottom that is fed directly to cooking space of the air that produces by cooling fan, and the phenomenon of discharging by the outlet that is formed at base, that is, can prevent the situation that cooling flowing path is discharged and cooling flowing path excessively shortens under the state of uncolled heat generating components.

The effect of invention

According to aforesaid cooker of the present invention, can prolong cooling flowing path carries out heat exchange in cooker time, thereby can improve cooling effectiveness.

According to cooker of the present invention, the moving air that can prevent the heating in order to cool off heater simultaneously, can shorten the cooling flowing path via heater to the situation that other parts flow, and improves cooling effectiveness.

According to cooker of the present invention, magnetron, high-tension transformer and high-voltage capacitor etc. are installed near cooling fan heat sensitive parts, thereby can be prevented that above-mentioned parts from breaking down and maloperation.

Description of drawings

Fig. 1 is the exploded perspective view of the cooker in the embodiment of the invention;

Fig. 2 is a schematic diagram of observing cooker in the embodiment of the invention from behind;

Fig. 3 is the schematic diagram of cooker upper space in the embodiment of the invention;

Fig. 4 is the schematic diagram of cooker lower space in the embodiment of the invention.

With reference to the accompanying drawings the present invention is illustrated in more detail.

Fig. 1 and Fig. 2 are the decomposing schematic representations of the primary structure of the cooker among the present invention, it illustrates cooking space 100, door 200, be positioned at the upper space 300 above the cooking space 100, be positioned at the rear space 400 of cooking space 100 back, be positioned at the lateral space 500 of cooking space 100 both sides, be positioned at the lower space 600 below the cooking space 100.

Cooking space 100 is the spaces that are used to carry out cooking operation, and it is made of inner shell 110.Top in the inside of cooking space 100 is provided with heater 120; In cooking space 100, be provided with shelf 130.In inner shell 110,, be provided with air entry (not shown) and exhaust outlet 111 in the side of above-mentioned inner shell 110 in order to be formed for removing the heat in the cooking space 100 and the stream of smell.

Can enumerate sheathed heater (sheath heater) as an example of above-mentioned heater 120.Shelf 130 replaces circular rotating disk to use, thereby can change width and length (degree of depth) owing to the cooking space 100 that uses rotating disk to be restricted.In addition, be provided with the guiding device 140 that is used to guide shelf 130 in the side of cooking space 100, and, square bearer 150 and back square bearer 160 before the front and back of cooking space 100 is provided with.That is, inner shell 110 will be supported by square bearer 150 before above-mentioned and back square bearer 160, be communicated with rear space 400 in order to make back square bearer 160, and the upside of framework 160 at least in the wings is provided with peristome 161.

In addition, door 200 is connected in cooking space 100 by hinge, and opens and closes cooking space 100, and it will form across cooking space 100 and upper space 300.Include handle 210, front framework 220, input test section 230, door face board 240, control panel 250, central frame 260, carriage 270, door frame 280 and stop bonnet 290 in the above-mentioned door 200.

The position that the user used when handle 210 was shutter door 200, it can be fixed on the front framework 220 by the bolt (not shown), preferably form at least one groove (not shown) in inside along its length direction, thereby will reduce weight, and make groove and external communications, and when carrying out cooking operation, make the heat minimum that passes to the user from cooking space 100.

In order to make the user can observe the inside of cooking space 100, front framework 220 is preferably made by clear glass, and Pasting or coating setting include for the user to be selected the program that needs cook or is used to show the button display part (not shown) of button etc. of the mode of operation of cooker.

Input test section 230 is the parts that are used to discern user's selection key, under the situation at the rear that is positioned at the front framework of making by glass 220, input test section 230 will be made of touch screen unit, and can be used as the electrostatic transducer use, can utilize adhesive tape to paste simultaneously and be arranged on the front framework 220.Above-mentioned input test section 230 can be positioned at the top of the upper space 300 residing doors 200 of cooking space 100, by aforesaid structure, can guarantee the cooking space of broad, and make the user observe the inside of cooking space 100 without barrier.

Control panel 250 is parts of the operation of cooker being controlled according to the operation information of user's input, control panel 250 is fixed on the door face board 240 at the rear of input test section 230, in order to carry out interlock and to be connected with electric wire, will describe the electric wire drawer structure below with input test section 230 and relay circuit plate described later 350.

Upper space 300 is the spaces above the cooking space 100, and it is subjected to the restriction of external shell 310.Include heater 320, waveguide 330, adiabatic in the above-mentioned upper space 300 with upper frame 340, and relay circuit plate 350, and, also can be provided with the bulb (figure is not) that is used for illuminating cooking space 100.

External shell 310 will constitute with cooking space 100 separated by a distance, and surround the form of its top and two sides.External shell 310 combines with preceding square bearer 150 and back square bearer 160, and, also can be provided with exhaust outlet 311 as required, thereby make moving air be discharged to the outside via the heat generating components that uses in cooking space 100 and the cooker operation.

Example as heater 320 can be enumerated halogen heater, compare with the heater 120 that constitutes by sheathed heater, because heater 320 is subjected to the influence of microwave, heater 320 will be installed on inner shell 110 above, and supply with heats to cooking space 100.

Waveguide 330 is connected upper space 300 from rear space 400, and its effect is that the microwave that magnetron (not shown) described later produces is supplied in the cooking space 100.

Adiabatic effect with the place ahead, top framework 340 is that the heat that prevention will be positioned at heater 120 generations of inner shell 110 is delivered to upper space 300.The adiabatic shape that formation is covered cooking space 100 tops except heater 320 and waveguide 330 with upper frame 340.

Relay circuit plate 350 is installed in the thermal insulation of upper space 300 upsides with on the upper frame 340, it will carry out interlock with the control panel 250 that is arranged at door 200, and be used to drive the parts such as magnetron (not shown) that will narrate in the back that are positioned at rear space 400.

Rear space 400 is spaces of cooking space 100 back, and it is subjected to the restriction of bonnet 410.Above-mentioned rear space 400 is provided with heat generating components such as cooling fan 420, convection heater 430, magnetron 440, high-tension transformer 450, high-voltage capacitor 460, and will form the parts chamber of cooker.

Bonnet 410 will be incorporated into back square bearer 160 or external shell 310, and cover upper space 300 and rear space 400 from the rear, to combine with base 610 in its underpart, the bottom of bonnet 410 or base 610 are provided with air entry 411, and air will flow in the cooling fan 420 by air entry 411.

Cooling fan 420 is positioned at the bottom of rear space 400, and it will be along the width setting of rear space 400, and, be provided with the generating unit 421,422 that flows in its both sides, thus contraposition thereon the parts of side cool off.Because rear space 400, upper space 300, door 200 are communicated with mutually, utilize cooling fan 420 can cool off whole cooker among the present invention.And, for the moving air that prevents to produce in the cooling fan 420 flows to cooling fan 420, and being provided with next door 423, the both sides of next door 423 are provided with the peristome 424,425 that makes air flow rear space 400 tops.In addition, in the space 426 of flowing between generating unit 421 and the mobile generating unit 422, be provided with the motor (not shown) that is used to drive mobile generating unit 421,422.

Include fan 431, heater 432, interior heater bonnet 433, external heater bonnet 434 and motor 435 in the convection heater 430.Preferably between above-mentioned interior heater bonnet 433 and external heater bonnet 434, be provided with the thermal insulation member (not shown), in convection heater 430, must be provided with motor 435, owing to settle motor 435 to need the space of the thickness size of motor 435 at least, consider above-mentioned space among the present invention, the parts 440 of larger volume will be occupied in the critical piece that use in the cooker operation, 450,460 are arranged in the rear space 400, thereby in the degree of depth that loses cooking space 100 or a length part, the height and the width of cooking space 100 will be widened more.And, in the present invention, use shelf to replace turntable structure, thereby can change height, width and the degree of depth of above-mentioned cooking space 100.The present invention bottom in space 400 in the wings is provided with cooling fan 420, when utilizing rear space 400, can cool off above-mentioned heat generating components 440,450,460 effectively.The present invention is when the bottom in space 400 is provided with cooling fan 420 in the wings, rear space 400, upper space 300, door 200, cooking space 100 and lateral space 500 will be interconnected, thereby can effectively cool off whole cooker by a cooling fan 420.And, in the present invention, the width of cooling fan 420 along rear space 400 is provided with, thereby can cool off heat generating components such as the convection heater 430 that is positioned at rear space 400, magnetron 440, high-tension transformer 450, high-voltage capacitor 460 effectively, and can effectively supply with moving air to upper space 300, lateral space 500, cooking space 100, the outlet 611 of base 610 that simultaneously, can be by being formed at cooking space 100 bottoms is discharged air.Therefore flow through in the rear space, upper space, lower space, lateral space of cooking space at least two of cooling flowing path.Be provided with next door 423 and peristome 424,425 among the present invention, thus can be effectively and optionally form air flow circuit and air and flow, and can cool off heat generating components.In addition, can add in the framework 160 in the wings and be provided with the peristome 162 that is communicated with lateral space 500, peristome 162 can make air directly flow to lateral space 500 from rear space 400, and make air two side flow in space 400 rearward, thereby can realize smoothly that the cooling of rear space 400 both sides and air flow.

Magnetron 440, high-tension transformer 450, high-voltage capacitor 460 are the critical pieces that use in the cooker operation, they are the more parts of caloric value, wherein, magnetron 440 be positioned at peristome 424 above, high-tension transformer 450 and high-voltage capacitor 460 be positioned at peristome 425 above, the position of above-mentioned heat generating components can be changed.

Above-mentioned lateral space 500 is spaces of cooking space 100 both sides, and it is subjected to the restriction of external shell 310.Lateral space 500 preferably is communicated with upper space 300, rear space 400 and lower space 600, and is communicated with cooking space 100 by air entry (not shown) and exhaust outlet 111.Simultaneously, the air that produces from cooling fan 420 is flowing in via behind rear space 400, upper space 300 and the cooking space 100, to flow to lower space 600 by lateral space 500, at this moment, also play by exhaust outlet 111 and will guide the effect that flow to lower space 600 to lateral space 500 flow air from upper space 300 from the air that cooking space 100 is discharged.

Fig. 3 is the schematic diagram of cooker upper space in the embodiment of the invention, the heat that heater 320 produces will arrive relay circuit plate 350 with direct radiation delivery by the peristome 323 that forms in the heater installation portion 322, or the stream of cooling heater 320 extends to relay circuit plate 350 by peristome 323, and will make the heat of heater 320 be delivered to relay circuit plate 350 by convection action.Therefore, be provided with dividing plate 370 in cooker, aforementioned barriers 370 is used to prevent that the radiations heat energy of heater 320 is delivered to relay circuit plate 350, and prevents to extend to relay circuit plate 350 via the stream of heater 320.Dividing plate 370 is positioned at a side of heater 320, and will cover heater 320 fully from relay circuit plate 350.Dividing plate 370 can the part by crooked heat-insulating panel 340 form, and be under the situation of a part of heat-insulating panel 340 at dividing plate 370, with other making and be incorporated into the situation comparison of heat-insulating panel 340, can reduce required Production Time and cost of manufacture.

In dividing plate 370, preferably be arranged on upper end 375 to the direction bending of heater 320, being provided with under the situation of the upper end 375 of the direction bending of above-mentioned heater 320, can prevent more effectively that stream from flowing to relay circuit plate 350 via heater 320.

Fig. 4 is the schematic diagram of cooker lower space in the embodiment of the invention.Lower space 600 is in the space of cooking space 100 bottoms, and it is subjected to the restriction of base 610.Lower space 600 will combine with preceding square bearer 150 and back square bearer 160, and support cooker.Simultaneously, reach from cooking space 100 interior smell and the hot gas that produce in order to discharge the moving air that from cooling fan 420, produces, and be provided with outlet 611.In addition, lower space 600 will be subjected to the restriction of back square bearer 160 at its rear, and still, base 610 will stride across back square bearer 160 and combine with bonnet 410, and therefore, base 610 also can play the effect of the bottom of restriction rear space 400.

In base 610, outer periphery at outlet 611 is equipped with the guiding device 620 that is used to cover outlet 611 parts, guiding device 620 is positioned at the periphery of outlet 611, a part that covers outlet 611 between cooling flowing path and outlet 611 forms, and forms thereby the guiding cooling flowing path is circuitous.To from the lateral space of cooker, be directed to some spaces in right-hand and the left by dividing plate 370 via the moving air of heater 320,350 of relay circuit plates are avoided the stream of the air guide of flow of heater 320, in the opposite direction are provided with.The position of the sidepiece that the central authorities that outlet 611 preferably is arranged on base 610 arrive near the air guide of flow via heater 320, this can shorten in order to cool off through heater 320 and the time that the air of heating stops in cooker.

The height of guiding device 620 will be consistent with the height of lower space 600, promptly, guiding device 620 will extend to form cooking space 100 from base 610, and, guiding device 620 will cover other three directions except the direction that flows into via the moving air of heater 320 in lower space 600, promptly guiding device will cover outlet the place ahead, rear, left and right-hand in three directions.Thus, can shorten the time that the moving air of heating stops in order to cool off heater 320 in cooker, simultaneously, can prolong not via the relatively low moving air of the temperature of heater 320 and rest on time in the cooker, thereby can improve cooling effectiveness.

Because by the high moving air of outlet 611 discharge temperatures, if when being placed on cooker above the heat labile kitchen tools, may cause kitchen tools to sustain damage, therefore, also can below base 610, at intervals be provided for the panel (not shown) that combines with base 610, and heat is discharged from side direction.

Claims (11)

1. a cooker includes following several sections: cooking space; Via at least one side of cooking space, be provided with the cooling flowing path that makes air flow to the outlet of cooker outside; It is characterized in that: be positioned near the outlet, be provided with the guiding device that is used to guide air discharge direction.

2. cooker according to claim 1 is characterized in that: also comprise the base that is provided with outlet.

3. cooker according to claim 1, it is characterized in that: guiding device extends to form cooking space from base.

4. cooker according to claim 2 is characterized in that: outlet is positioned at the central portion of base.

5. according to claim 1 any one described cooker to the claim 4, it is characterized in that: flow through in the rear space, upper space, lower space, lateral space of cooking space at least two of cooling flowing path.

6. cooker according to claim 5 is characterized in that: the flow through inside of cooking space of cooling flowing path.

7. cooker according to claim 6 is characterized in that: cooling flowing path will begin from the rear space of cooking space to form.

8. cooker according to claim 1 is characterized in that: guiding device will cover outlet the place ahead, rear, left and right-hand in three directions.

9. cooker according to claim 1 is characterized in that, also includes: be positioned at the heater on the cooling flowing path on cooking space top; One side of heater is provided with the dividing plate that is used for the cooling flowing path via heater is directed to cooking space one sidepiece.

10. cooker according to claim 4 is characterized in that: with the other side of cooking space relatively, outlet is arranged on more the position near a sidepiece of the cooking space of the cooling flowing path process of the heater of flowing through.

11. cooker according to claim 1 is characterized in that, also includes: be installed on the bottom at cooking space rear, be used to produce the cooling fan of the forced air flow that forms cooling flowing path; In order to prevent to form the cooling flowing path that is directly connected to the cooking space bottom from the bottom at cooking space rear, be provided with the back square bearer at the rear of cooking space.

Images