CN204813479U - Oven surface cooling structure - Google Patents
Oven surface cooling structure Download PDFInfo
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- CN204813479U CN204813479U CN201520551464.1U CN201520551464U CN204813479U CN 204813479 U CN204813479 U CN 204813479U CN 201520551464 U CN201520551464 U CN 201520551464U CN 204813479 U CN204813479 U CN 204813479U
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Abstract
The utility model relates to an oven technical field especially indicates an oven surface cooling structure, including set up in and between thermal -insulated between the cavity and the inside interval of oven double glazing door of the shell of oven, still include offer in first hole on between thermal -insulated, and set up in second hole on the interval, first hole, thermal -insulated, the consecutive constitution air convection passageway that leads to in interval and second hole. The utility model has the advantages of simple structure, it is with low costs, especially can reduce the holistic surface temperature of oven simultaneously.
Description
Technical field
The utility model relates to oven technology field, especially a kind of baking box surface cooling structure.
Background technology
Baking box be a kind of sealing be used for roast food or dry the electrical equipment of product, be divided into domestic oven and industrial baking oven, domestic oven can be used for processing the dessert of some such as bread, Pizza, custard tart, little biscuit and so on, also can barbecue etc., the food made is usually with fragrance striking the nose, because it is easy to use, deeply like by numerous family.Baking box major part itself makes by metal material, and the inner fired temperature of baking box is higher, causes baking box case surface temperature also higher, on such as chamber door or guidance panel, is difficult to meet security performance requirement.Therefore, how controlling baking box surface temperature, is the matter of utmost importance that baking box manufacturer needs to consider.
In order to address this problem, manufacturer proposes some solutions.The disconnected heat structure of a kind of baking box exhaust that such as Chinese patent Authorization Notice No. CN204115450U discloses, heat-preservation cotton is increased between metallic plate inside and outside baking box, realized the shield heat away of inside and outside metallic plate by heat-preservation cotton, effectively can reduce the surface temperature of the outer metallic plate of baking box.Although this scheme has good effect in reduction surface temperature, but due to heat-preservation cotton be in high temperature for a long time under its heat-proof quality can reduce, cause baking box surface not keep cooling-down effect, and heat-preservation cotton material not environmentally, baking box assembly structure also can be caused simultaneously unstable.A kind of electric oven furnace door structure with insulated wall technology of Chinese patent application publication No. CN102808568A announcement for another example, its main technical scheme is on fire door, adopt thermal-insulated frame and heat-protecting glass, reach the object reducing fire door temperature, the same program can make fire door temperature reduce, but increase double-deck heat-protecting glass in fire door after, fire door can be caused thickening, baking box volume is increased, the use of heat-protecting glass simultaneously can make baking box cost increase.
In addition, in the scheme that above-mentioned two patent documents disclose, all only mention and carried out lowering the temperature process in baking box casing or fire door, the hull-skin temperature of baking box entirety can not be made to remain on low-temperature condition, meet security performance requirement equally.
Summary of the invention
The purpose of this utility model is to provide a kind of baking box surface cooling structure, and have structure simple, the advantage that cost is low, particularly can reduce the surface temperature of baking box entirety simultaneously.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of baking box surface cooling structure, described baking box comprises shell and is positioned at the inner chamber body of enclosure, and the double-layer glass door be installed on by doorframe on shell, it is characterized in that, described surface cooling structure comprises the insulated room be arranged between shell and inner chamber body, and the interval of double-layer glass door inside, also comprise the first hole be opened in described insulated room, and the second hole be opened on described interval, described first hole, insulated room, interval and the second hole are connected composition air convection channel successively, such setting, circulative convection is formed to make the air in air convection channel, reach the object reducing baking box surface temperature.
According to above scheme, described insulated room comprises the horizontal interlayer being arranged in sheath top plate, is arranged in the vertical interlayer of shell left side plate; The top at described horizontal interlayer and described interval is connected, and the side at described vertical interlayer and described interval is connected, and arranges like this, makes the fire door of baking box, end face and side all have convection channel, lowers the temperature simultaneously to baking box entirety.
According to above scheme, described insulated room and described interval are connected by the convection current air channel be opened on doorframe, arrange like this, the connectivity structure at insulated room and described interval is more simplified, and save cost.
According to above scheme, described first hole comprises the steam vent be opened in away from one end, described convection current air channel in insulated room; Described second hole comprises the air inlet be opened in away from one end, described convection current air channel on interval, the insulated room being positioned at top is made to connect steam vent, the interval being positioned at below connects air inlet, such setting, automatically the principle risen according to hot-air makes the air in convection channel automatically be exhausted heat radiation, reaches the effect of cooling.
According to above scheme, the inner side of described steam vent is provided with exhaust fan, and convection channel, in conjunction with after exhaust fan, can form radiating mode initiatively, reach efficient cooling-down effect.
According to above scheme, described air inlet has multiple, is opened in the base at described interval, top margin and side respectively, and air inlet is distributed in interval periphery, and cold air is easily entered in interval, accelerates heat transmission.
According to above scheme, be provided with dividing plate in described insulated room, described insulated room is separated into interior compartment and outer compartment by described dividing plate; Described interior compartment is all connected with described steam vent with the rear end of outer compartment, the air that baking box shell is contacted with inner chamber body is isolated, reduce heat transmission and be radiated to the speed of shell, greatly can reduce the temperature of shell like this, reach good cooling-down effect.
According to above scheme, be connected by the convection current air channel be arranged on described doorframe between the front end of described interior compartment and described interval, the front end of described outer compartment is enclosed construction, avoids the hot-air in interval to mix with the hot-air in outer compartment, can also accelerate air circulation speed simultaneously.
According to above scheme, the lateral wall of described outer compartment offers air-inlet window, makes cold air easily enter in outer compartment, accelerates heat transmission.
According to above scheme, one end size that described insulated room is connected to described steam vent is greater than the size of described other position of insulated room, promotes the suction air volume of exhaust fan, accelerates cross-ventilation.
According to above scheme, the rear end of described dividing plate has the kink extended towards interior compartment, and in promoting further, the isolation effect of compartment and outer compartment, promotes cross-ventilation speed simultaneously.
A kind of baking box surface cooling structure of the present utility model, insulated room is formed between shell and inner chamber body, on fire door, adopt the structure of double-layer glass door simultaneously, double-layer glass door inside is made to have interval, be connected between insulated room and interval simultaneously, be equipped with rational first hole, position and the second hole again, make the first hole, insulated room, interval and the second hole form air convection channel, one makes the surface metal of baking box be kept apart by spatial joint clearance with inner, heat is avoided to be directly conducted to baking box shell, two make these spatial joint clearances form cross-ventilated state, under the principle effect that hot-air rises automatically, hot-air in the interval of glass door and the hot-air between shell and inner chamber body can be discharged to baking box outside by convection channel, and the cold air of outside can enter from convection channel, form the convection current of air, the shell of baking box and glass door surface can be made all to obtain cooling-down effect simultaneously, case surface temperature rise is made to meet safety requirement, avoid scald accident occurs, also there is structure simultaneously simple, advantage with low cost.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view in the utility model side-looking direction;
Fig. 2 is the cross-sectional view that the utility model overlooks direction.
Reference numeral in figure comprises:
1, shell; 2, inner chamber body; 3, doorframe; 4, glass door; 5, insulated room; 6, interval; 7, convection current air channel; 8, steam vent; 9, exhaust fan; 41, air inlet; 51, horizontal interlayer; 52, vertical interlayer; 53, dividing plate; 54, outer compartment; 55, interior compartment; 56, air-inlet window; 57, kink.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the technical solution of the utility model is described; the directions such as " front " " afterwards " mentioned in declarative procedure; be all " front " with orientation, baking box glass door place; a relative side is then " afterwards "; conveniently be described with this, not limit the protection domain of this patent with this.
The utility model as depicted in figs. 1 and 2, the generalized section in the side-looking direction of a kind of baking box surface cooling structure described in the utility model respectively, and overlook the generalized section in direction, described baking box comprises shell 1 and the inner chamber body 2 being positioned at shell 1 inside and the double-layer glass door 4 be installed on by doorframe 3 on shell 1, described surface cooling structure comprises the interval 6 being arranged at insulated room 5 between shell 1 and inner chamber body 2 and double-layer glass door 4 inside, also comprise the first hole be opened in described insulated room 5, and the second hole be opened on described interval 6, described first hole, insulated room 5, interval 6 and the second hole are connected composition air convection channel successively, heat loss through convection is formed to make the air in air convection channel, reach the object reducing baking box surface temperature.
More specifically, a kind of baking box surface cooling structure of the present utility model, insulated room 5 is formed between shell 1 and inner chamber body 2, on fire door, adopt the structure of double-layer glass door 4 simultaneously, double-layer glass door 4 inside is made to have interval 6, be connected between insulated room 5 and interval 6 simultaneously, be equipped with rational first hole, position and the second hole again, make the first hole, insulated room 5, interval 6 and the second hole form air convection channel, one makes the surface metal of baking box be kept apart by spatial joint clearance with inner, heat is avoided to be directly conducted to baking box shell 1, two make these spatial joint clearances form cross-ventilated state, under the principle effect that hot-air rises automatically, hot-air in the interval 6 of glass door 4 and the hot-air between shell 1 and inner chamber body 2 can be discharged to baking box outside by convection channel, and the cold air of outside can enter from convection channel, form the heat loss through convection of air, the shell 1 of baking box and glass door 4 surface can be made all to obtain cooling-down effect simultaneously, meet security performance requirement, also there is structure simultaneously simple, advantage with low cost.
For insulated room 5, comprise the horizontal interlayer 51 being arranged in shell 1 top board particularly, be arranged in the vertical interlayer 52 of shell 1 left side plate; The top at described horizontal interlayer 51 and described interval 6 is connected, the side at described vertical interlayer 52 and described interval 6 is connected, the fire door of baking box, end face and side is made all to have convection channel, just the top of baking box and side surfaces temperature can be made all to be reduced, to be conducive to lowering the temperature to baking box entirety simultaneously.In order to make convection channel structure simple, described insulated room 5 and described interval 6 are connected by the convection current air channel 7 be opened on doorframe 3, and the connectivity structure at insulated room 5 and described interval 6 is more simplified, and save cost.
Described first hole is be opened in the steam vent 8 away from one end, described convection current air channel 7 in insulated room 5; Described second hole comprises the air inlet 41 be opened in away from one end, described convection current air channel 7 on interval 6, the insulated room 5 being positioned at top is made to connect steam vent 8, the interval 6 being positioned at below connects air inlet 41, automatically the principle risen according to hot-air makes the air in convection channel automatically circulate, and reaches the effect of cooling.
In order to strengthen radiating effect, the inner side of described steam vent 8 is provided with exhaust fan 9, and convection channel, in conjunction with after exhaust fan 9, can form radiating mode initiatively, improves cooling-down effect.For air inlet 41, described air inlet 41 has multiple particularly, be opened in the base at described interval 6, top margin and side respectively, preferably air inlet 41 can be opened in the doorframe 3 for fixing glass door 4, and make wind intake from bottom mouth many as far as possible, air inlet is large, and most of cold air is easily entered in interval 6 from bottom air inlet mouth.In addition, the suitable opening in other limit, makes air inlet 41 be distributed in interval 6 periphery, makes cold air easily enter in interval 6, accelerates heat transmission.
In addition, be provided with dividing plate 53 in described insulated room 5, described insulated room 5 is separated into interior compartment 55 and outer compartment 54 by described dividing plate 53; Described interior compartment 55 is all connected with described steam vent 8 with the rear end of outer compartment 54, and the air that baking box shell 1 is contacted with inner chamber body 2 is isolated, and reduces the speed that heat transmission is radiated to shell 1, greatly can reduce the temperature of shell 1 like this.Particularly, be connected by the convection current air channel 7 be arranged on described doorframe 3 between the front end of described interior compartment 55 and described interval 6, the front end of described outer compartment 54 is enclosed construction, avoids the hot-air in interval 6 to mix with the hot-air in outer compartment 54, accelerates hot-air flowing velocity simultaneously.Meanwhile, the lateral wall of described outer compartment 54 offers air-inlet window 56, can arrange multiple according to certain rules, makes cold air easily enter in outer compartment 54, accelerates heat transmission.And one end size that described insulated room 5 is connected to described steam vent 8 is greater than the size of described other position of insulated room 5, makes steam vent 8 form trumpet-shaped form, to promote the suction air volume of exhaust fan 9, accelerate cross-ventilation, hot inside air can be discharged fast.Further, the rear end of described dividing plate 53 has the kink 57 extended towards interior compartment 55, and in promoting further, compartment 55 and the isolation effect of outer compartment 54, promote cross-ventilation speed simultaneously, the air in interior compartment 55 can be made to discharge fast.
A concrete embodiment as depicted in figs. 1 and 2, shell 1 comprises top board, base plate and three side plates, glass door 4 is installed on shell by doorframe 3 and forms the 4th block of side plate, inner chamber body 2 is enclosed between shell 1 and glass door 4, gap simultaneously between shell 1 and inner chamber body 2 forms insulated room 5, and insulated room 5 comprises the horizontal interlayer 51 between sheath top plate and inner chamber body 2, and the vertical interlayer 52 between shell side plate and inner chamber body 2.Glass door 4 is double-decker, has gap equally between double glazing, the formation interval, gap 6 between glass.Simplify to make Roasting oven structure, connectivity structure between insulated room 5 and interval 6, realized by doorframe 3, convection current air channel 7 is offered by relevant position on doorframe 3, certainly, convection current air channel 7 can be opened in the position of horizontal interlayer 51, also can be opened in the position of vertical interlayer 52, or two kinds of structures possess all simultaneously.The air inlet 41 that interval 6 is offered can realize by offering on doorframe 3, preferably air inlet 41 is opened in the below at interval 6, is beneficial to cold air and enters and space, through whole interval 6 from lower air inlet, taken away by hot-air.The steam vent 8 that insulated room 5 is offered can be positioned at the back side of baking box, can not use impact safety test and user, and such air inlet 41 and steam vent 8 lay respectively at the convection channel two ends that insulated room 5 and interval 6 are formed, are conducive to cross-ventilation and circulate.Meanwhile, in the inner side of steam vent 8, exhaust fan 9 is installed, exhausting exhaust can be carried out in insulated room 5 after exhaust fan is opened, form compulsory cross-ventilation.In addition, some preferably design to be included on interval 6 periphery and doorframe 3 offers multiple air inlet 41, or offer multiple air-inlet window 56 at the lateral surface of insulated room 5, or by dividing plate 53, insulated room is separated into inside and outside two parts, etc. decision design as above, all can promote cross-ventilation speed, improve baking box surface cooling effect.It should be noted that, the design attitude of air inlet, needs to have comparatively suitable spacing distance with convection current air channel 7, avoids air directly to enter convection current air channel 7 from air inlet 41, the air in interval 6 can be caused like this can not to form air flowing, do not reach the object of cooling.Same, the position of the air-inlet window that insulated room 5 is offered, also needs to have suitable spacing distance with steam vent 8, and the air in insulated room 5 is flowed with cooling.
Baking box surface cooling structure of the present utility model, take into account the cooling-down effect on baking box case surface and glass door surface simultaneously, glass door is brought in the exhaust cooling system of complete machine, form complete machine integration heat loss through convection system, by simple structure and lower cost, achieve the control of baking box surface temperature.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in patent claim of the present invention.
Claims (11)
1. a baking box surface cooling structure, described baking box comprises shell (1), the double-layer glass door (4) being positioned at the inner inner chamber body (2) of shell (1) and being installed on by doorframe (3) on shell (1), it is characterized in that: described surface cooling structure comprises and is arranged at insulated room (5) between shell (1) and inner chamber body (2) and the inner interval (6) of double-layer glass door (4), also comprise the first hole be opened in described insulated room (5), and the second hole be opened on described interval (6), described first hole, insulated room (5), interval (6) and the second hole are connected composition air convection channel successively.
2. a kind of baking box surface cooling structure according to claim 1, it is characterized in that: described insulated room (5) comprises the horizontal interlayer (51) being arranged in shell (1) top board, be arranged in the vertical interlayer (52) of shell (1) left side plate; The top of described horizontal interlayer (51) and described interval (6) is connected, and the side of described vertical interlayer (52) and described interval (6) is connected.
3. a kind of baking box surface cooling structure according to claim 2, is characterized in that: described insulated room (5) and described interval (6) are connected by the convection current air channel (7) be opened on doorframe (3).
4. a kind of baking box surface cooling structure according to claim 3, is characterized in that: described first hole is for being opened in the steam vent (8) away from described convection current air channel (7) one end in insulated room (5); Described second hole is for being opened in the air inlet (41) away from described convection current air channel (7) one end on interval (6).
5. a kind of baking box surface cooling structure according to claim 4, is characterized in that, the inner side of described steam vent (8) is provided with exhaust fan (9).
6. a kind of baking box surface cooling structure according to claim 4, it is characterized in that, described air inlet (41) has multiple, is opened in the base of described interval (6), top margin and side respectively.
7. a kind of baking box surface cooling structure according to claim 4, it is characterized in that, be provided with dividing plate (53) in described insulated room (5), described insulated room (5) is separated into interior compartment (55) and outer compartment (54) by described dividing plate (53); Described interior compartment (55) is all connected with described steam vent (8) with the rear end of outer compartment (54).
8. a kind of baking box surface cooling structure according to claim 7, it is characterized in that, be connected by the convection current air channel (7) be arranged on described doorframe (3) between the front end of described interior compartment (55) and described interval (6), the front end of described outer compartment (54) is enclosed construction.
9. a kind of baking box surface cooling structure according to claim 8, is characterized in that, the lateral wall of described outer compartment (54) offers air-inlet window (56).
10. a kind of baking box surface cooling structure according to claim 4, is characterized in that, one end size that described insulated room (5) is connected to described steam vent (8) is greater than the size of described insulated room (5) other position.
11. a kind of baking box surface cooling structures according to claim 7, it is characterized in that, the rear end of described dividing plate (53) has the kink (57) extended towards interior compartment (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551464.1U CN204813479U (en) | 2015-07-27 | 2015-07-27 | Oven surface cooling structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551464.1U CN204813479U (en) | 2015-07-27 | 2015-07-27 | Oven surface cooling structure |
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| CN204813479U true CN204813479U (en) | 2015-12-02 |
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| CN201520551464.1U Active CN204813479U (en) | 2015-07-27 | 2015-07-27 | Oven surface cooling structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618260A (en) * | 2017-02-27 | 2017-05-10 | 赵海航 | Thermal insulation structure used for oven |
| CN107960884A (en) * | 2018-01-15 | 2018-04-27 | 张有成 | A kind of electric roasting device that can reduce skin temperature |
| CN108852029A (en) * | 2018-08-20 | 2018-11-23 | 广东格兰仕集团有限公司 | The double cooling structure of electric oven |
| CN110089950A (en) * | 2018-01-31 | 2019-08-06 | 青岛海尔智慧厨房电器有限公司 | A kind of oven |
-
2015
- 2015-07-27 CN CN201520551464.1U patent/CN204813479U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618260A (en) * | 2017-02-27 | 2017-05-10 | 赵海航 | Thermal insulation structure used for oven |
| CN106618260B (en) * | 2017-02-27 | 2023-08-25 | 赵海航 | Heat preservation structure for oven |
| CN107960884A (en) * | 2018-01-15 | 2018-04-27 | 张有成 | A kind of electric roasting device that can reduce skin temperature |
| WO2019136766A1 (en) * | 2018-01-15 | 2019-07-18 | 张有成 | Electric baking device capable of reducing temperature of housing |
| CN110089950A (en) * | 2018-01-31 | 2019-08-06 | 青岛海尔智慧厨房电器有限公司 | A kind of oven |
| CN108852029A (en) * | 2018-08-20 | 2018-11-23 | 广东格兰仕集团有限公司 | The double cooling structure of electric oven |
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