CN218096040U - Integrated kitchen with door body heat dissipation function - Google Patents

Abstract

The utility model relates to an integrated kitchen with door body heat dissipation function, including cooking utensils and culinary art device and the cigarette machine fan of setting under this cooking utensils, above-mentioned cooking utensils include that front side open-ended inner bag closes the door body on the opening of this inner bag with the lid, be provided with the ventilation intermediate layer that extends from top to bottom in the door body, this ventilation intermediate layer is including the lower air intake that is located a body bottom and the last air outlet that is located a body top, and the air intake communicates with each other and the fan air intake fluid intercommunication of air outlet and above-mentioned cigarette machine fan down with the external world. Compared with the prior art, the utility model discloses the hot-air in the intermediate layer that ventilates under the negative pressure drive of cigarette machine fan can be followed the air intake that the wind-guiding passageway was led the cigarette machine fan, promotes the radiating effect to the door body.

Description

Integrated kitchen with door body heat dissipation function

Technical Field

The utility model relates to a cooking utensils field especially relates to an integrated kitchen with door body heat dissipation function.

Background

An integrated range is a device that integrates a range with other household appliances, for example, a gas range is combined with a cooking device, a smoke extractor, or a sterilizing cabinet. For example, the present integrated cooker is disclosed in chinese invention patent No. CN202011409253.6 (publication No. CN 112555906A), chinese utility model patent No. ZL 202022154907.7 (publication No. CN 213686958U), chinese utility model patent No. CN202010107110.3 (publication No. CN 111389135A), and the like.

In the use process of the cooking device of the integrated cooker, high temperature in the inner container is transmitted to the door body to cause temperature rise of the door body, and heat dissipation of the door body is generally realized by additionally arranging a heat dissipation fan in the prior art, for example, the integrated cooker with the cooking device in the Chinese utility model patent with the patent number of ZL 201921126699.0 (the publication number of CN 210861190U), the integrated cooker with the cooking device in the Chinese utility model patent with the patent number of ZL 910090050.6 (the publication number of CN 111503668A), and the like. However, the addition of the cooling fan makes the internal structure of the integrated cooker complex, increases the working energy consumption and the working noise of the integrated cooker, and also increases the production cost of the integrated cooker.

Disclosure of Invention

The utility model aims to solve the first technical problem that provides an integrated kitchen that has a door body heat dissipation function that inner structure is succinct, low in production cost and radiating efficiency is high to prior art.

The utility model aims to solve the second technical problem that provides a compact and the good integrated kitchen that has a door body heat dissipation function of radiating effect of inner structure to prior art.

The utility model aims to solve the third technical problem that provides an integrated kitchen that has a body heat dissipation function that inside radiating effect is good to prior art.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: the utility model provides an integrated kitchen with door body heat dissipation function, includes cooking utensils and sets up culinary art device and the cigarette machine fan under this cooking utensils, and above-mentioned cooking device includes that the open-ended inner bag in front and the lid close the door body on the opening of this inner bag, its characterized in that, be provided with the ventilation intermediate layer that extends from top to bottom in the door body, this ventilation intermediate layer is including the lower air intake that is located a body bottom and the last air outlet that is located a body top, and the air intake communicates with each other with the external world down and the air intake of fan of above-mentioned cigarette machine fan is fluid communication mutually.

Furthermore, an installation gap is arranged below the cooker, an air guide channel extending forwards and backwards is arranged in the installation gap, the air guide channel comprises an air guide air inlet positioned at the front end and an air guide air outlet positioned at the rear end, the air guide air inlet is in fluid communication with the upper air outlet of the ventilation interlayer, and the air guide air outlet is in fluid communication with the fan air inlet of the fan of the range hood. Therefore, hot air in the ventilation interlayer can be guided to the air inlet of the smoke machine fan along the air guide channel under the driving of the negative pressure of the smoke machine fan, and the heat dissipation effect of the door body is improved.

Furthermore, the air guide channel sequentially comprises a first air channel, a second air channel and a third air channel from front to back, wherein the first air channel and the second air channel horizontally extend, the size of the cross section of the first air channel is gradually increased from front to back, the size of the cross section of the second air channel is kept unchanged from front to back, the third air channel obliquely extends upwards from front to back, and the size of the cross section of the third air channel is kept unchanged from front to back. Therefore, hot air in the ventilation interlayer can be quickly guided into the first air channel, the hot air flows into the second air channel after the speed of the hot air is reduced in the first air channel, the hot air entering the second air channel flows stably and then flows into the third air channel at an accelerated speed, the hot air flows from top to bottom into the air inlet of the smoke machine fan through the third air channel, the hot air in the ventilation interlayer can be guided to the air inlet of the smoke machine fan more smoothly through layer-by-layer guiding of the air channels, and the heat dissipation effect of the door body is further improved.

Furthermore, the front port of the first air duct forms an air guide air inlet of the air guide channel, the rear port of the third air duct forms an air guide air outlet of the air guide channel, the rear port of the first air duct is communicated with the front port of the second air duct, and the rear port of the second air duct is communicated with the front port of the third air duct. Therefore, the internal structure of the air guide channel is stable, and smooth flow of hot air in the air guide channel can be better ensured.

Furthermore, an upper mounting plate is horizontally arranged above the inner container in the mounting gap, a first air guiding cover and a second air guiding cover are respectively covered on the upper mounting plate, the first air guiding cover and the second air guiding cover respectively enclose the upper surface of the upper mounting plate to form a first air channel and a second air channel, and the top surfaces of the first air guiding cover and the second air guiding cover respectively form a first mounting surface and a second mounting surface which can be used for mounting electrical components. Thereby can realize above-mentioned first wind channel structure and second wind channel structure betterly to through setting up above-mentioned first installation face and second installation face, realize the abundant expansion to integrated kitchen internally mounted space on the one hand, on the other hand utilizes first wind channel and second wind channel to dispel the heat to installing the electrical components on corresponding installation face, avoids electrical components's operational environment temperature too high, guarantees electrical components's working property, and then prolongs integrated kitchen's life.

Further, a fan cavity for installing the fan of the range hood is arranged on the back side of the inner container of the cooking device, a guide plate is arranged on the upper portion of the fan cavity in a front-back mode, a third air guide cover covers the front surface of the guide plate, the third air guide cover and the front surface of the guide plate form a third air channel in a surrounding mode, a guide hole communicated with the fan cavity is formed in the guide plate, and an air guide outlet of the third air channel is in fluid communication with a fan air inlet of the range hood fan through the guide hole. On one hand, the third air duct structure can be better realized, and on the other hand, hot air flowing to the third air duct can be more smoothly guided to the air inlet of the fan of the range hood.

Furthermore, the bottom surface of the stove, the upper surface of the upper mounting plate and the upper surface of the guide plate enclose the mounting gap, the guide holes are arranged on the guide plate along the left-right direction, and the rear end of the third air guide cover is covered on part of the guide holes. Part water conservancy diversion hole plays the effect of intercommunication ventilation passageway and fan chamber like this to make during the hot-air in the wind-guiding passageway can smoothly be inhaled the cigarette machine fan, the effect of intercommunication installation clearance and fan chamber is then played in the water conservancy diversion hole of surplus part, thereby can make during cooking utensils and inner bag radiate the heat to the installation clearance can be inhaled the cigarette machine fan, play the inside radiating effect to integrated kitchen range, avoid under the operating condition (especially cooking utensils and culinary art device during simultaneous working) integrated kitchen range inside high temperature.

Further, the guide plate comprises a first plate body and a second plate body, wherein the first plate body extends upwards in an inclined mode from front to back, the second plate body extends vertically, the front end of the first plate body is connected with the rear end of the upper mounting plate, the rear end of the first plate body is connected with the lower end of the second plate body, the third air guide cover is covered on the upper surface of the first plate body, the rear end edge of the third air guide cover is covered on the front surface of the second plate body, and the guide hole is formed in the second plate body. Therefore, the hot air entering the third air duct can be guided better, and the hot air in the third air duct and the mounting gap can flow into the fan cavity better through the guide holes.

Furthermore, the rear hole edges of the guide holes of the guide plate are respectively covered with guide covers with downward openings. The hot air flowing to the diversion holes can be better guided to the fan of the range hood by arranging the diversion cover, and meanwhile, the oil smoke in the fan cavity can be prevented from flowing backwards to the air guide channel and the installation gap through the diversion holes.

Further, the cross section of each air guide sleeve is arc-shaped. The air guide sleeve can better guide the air flow and can play a certain acceleration role on the air flow, so that the hot air at the air guide hole can flow into the fan cavity more quickly, the hot air is accelerated to be discharged outwards, and the heat dissipation efficiency of the door body and the inside of the integrated stove is improved.

Furthermore, the rear surface of the first door panel and the front surface of the second door panel enclose the ventilation interlayer. Thereby can form ventilation sandwich structure betterly, further promote the radiating effect to the door body simultaneously.

Compared with the prior art, the utility model has the advantages of: be provided with the ventilation intermediate layer in the door body, this ventilation intermediate layer's last air outlet is fluid communication with the fan air intake of above-mentioned cigarette machine fan, and under cigarette machine fan operating condition like this, hot-air in the ventilation intermediate layer can be inhaled in the cigarette machine fan to take away the heat of radiation to the door body, play the effect to the heat dissipation cooling of the door body, need not additionally to add cooling fan, thereby make the inner structure of integrated kitchen simple, reduced the manufacturing cost of integrated kitchen. And, because the inner space of integrated kitchen is limited, can't adopt powerful radiator fan among the prior art, and the power of cigarette machine fan is great, consequently enables the hot-air in the ventilation intermediate layer and flows to the fan air intake of cigarette machine fan fast, improves the radiating efficiency to the door body.

Drawings

Fig. 1 is a schematic structural view of an integrated cooker in an embodiment of the present invention;

fig. 2 is a sectional view of an integrated cooker in the embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of an integrated cooker in an embodiment of the present invention (in a state of hiding the cooker);

fig. 4 is another schematic partial structure diagram of the integrated cooker according to the embodiment of the present invention (in a state of hiding the back plate);

FIG. 5 is an enlarged view of portion A of FIG. 2;

fig. 6 is an enlarged view of a portion B in fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered limiting, as "upper", "lower", and the like are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 to 6, an integrated kitchen range with a door body heat dissipation function comprises a kitchen range 2, a cooking device 3 and a smoke machine fan 4, wherein the cooking device 3 and the smoke machine fan 4 are arranged below the kitchen range 2. In this embodiment, the integrated kitchen range includes a box 1, the cooking device 2 is embedded in the top of the box 1, and the cooking device 3 and the fan 4 of the smoke ventilator are installed in the box 1. The cooking device 3 includes an inner container 31 having a front opening, and a door 32 covering the opening of the inner container 31.

Further, the door 32 is provided with a ventilation interlayer 320 extending up and down, the ventilation interlayer 320 includes a lower air inlet 3202 located at the bottom of the door 32 and an upper air outlet 3201 located at the top of the door 32, the lower air inlet 3202 is communicated with the outside, and the upper air outlet 3201 is in fluid communication with the blower air inlet 41 of the blower 4 of the range hood. The utility model discloses in, be provided with ventilation intermediate layer 320 in the door body 32, this last air outlet 3201 of ventilation intermediate layer 320 and the fan air intake 41 phase fluid intercommunication of above-mentioned cigarette machine fan 4, under the 4 operating condition of cigarette machine fan like this, during the hot-air energy suction cigarette machine fan 4 in the ventilation intermediate layer 320, thereby take away the heat of radiation to the door body 32, play the effect to the cooling of the heat dissipation of the door body 32, need not additionally to add cooling fan, thereby make the inner structure of integrated kitchen simple, the manufacturing cost of integrated kitchen has been reduced. Moreover, because the internal space of the integrated cooker is limited, a high-power heat radiation fan cannot be adopted in the prior art, and the power of the smoke machine fan 4 is large, hot air in the ventilation interlayer 320 can quickly flow to the fan air inlet 41 of the smoke machine fan 4, and the heat radiation efficiency of the door body 32 is improved.

The ventilation interlayer 320 may be implemented in various ways in the door 32, and preferably, the door 32 includes a first door panel 321 and a second door panel 322 located behind the first door panel 321, and a rear surface of the first door panel 321 and a front surface of the second door panel 322 enclose the ventilation interlayer 320. Therefore, the structure of the ventilation interlayer 320 can be well formed, and the heat dissipation effect on the door body 32 is further improved. In the present embodiment, the first door 32 and the second door 32 are both made of door glass.

Further, an installation gap is formed below the cooker 2, an air guide channel 50 extending forward and backward is provided in the installation gap, and the air guide channel 50 includes an air guide inlet 50a located at the front end and an air guide outlet 50b located at the rear end. The air guide inlet 50a is in fluid communication with the upper outlet 3201 of the ventilation interlayer 320, and the air guide outlet 50b is in fluid communication with the blower inlet 41 of the ventilator blower 4. Therefore, the hot air in the ventilation interlayer 320 can be guided to the fan air inlet 41 of the cigarette machine fan 4 along the air guide channel 50 under the driving of the negative pressure of the cigarette machine fan 4, and the heat dissipation effect on the door body 32 is improved.

Specifically, the air guide channel 50 sequentially includes a first air duct 501, a second air duct 502, and a third air duct 503 from front to back, wherein the first air duct 501 and the second air duct 502 both extend horizontally, the size of the cross section of the first air duct 501 increases from front to back, the size of the cross section of the second air duct 502 remains unchanged from front to back, the third air duct 503 extends obliquely upward from front to back, and the size of the cross section of the third air duct 503 remains unchanged from front to back. In this way, the hot air in the ventilation interlayer 320 can be quickly guided into the first air duct 501, and after the speed is reduced in the first air duct 501, the hot air flows into the second air duct 502, the hot air entering the second air duct 502 flows stably, then the hot air flows into the third air duct 503 at an increased speed, and flows from the third air duct 503 to the air inlet 41 of the smoke machine fan 4 from top to bottom, and the hot air in the ventilation interlayer 320 can be guided to the fan air inlet 41 of the smoke machine fan 4 more smoothly through the layer-by-layer guiding of each air duct, so that the heat dissipation effect on the door body 32 is further improved. More specifically, the front port of the first air duct 501 forms the air guide inlet 50a of the air guide passage 50, the rear port of the third air duct 503 forms the air guide outlet 50b of the air guide passage 50, the rear port of the first air duct 501 communicates with the front port of the second air duct 502, and the rear port of the second air duct 502 communicates with the front port of the third air duct 503. Thereby stabilizing the inner structure of the air guide passage 50 and better ensuring the smooth flow of the hot air in the air guide passage 50.

Furthermore, an upper mounting plate 33 is horizontally disposed above the inner container 31 in the mounting gap, the upper mounting plate 33 is covered by a first wind scooper 51 and a second wind scooper 52, the first wind scooper 51 and the second wind scooper 52 respectively surround the upper surface of the upper mounting plate 33 to form the first wind channel 501 and the second wind channel 502, and the top surfaces of the first wind scooper 51 and the second wind scooper 52 respectively form a first mounting surface 510 and a second mounting surface 520 for mounting an electrical component 7 (such as a furnace lamp, a PCB, and the like). Thereby can realize above-mentioned first wind channel 501 structure and second wind channel 502 structure betterly, and through setting up above-mentioned first installation face 510 and second installation face 520, realize the abundant expansion to integrated kitchen internally mounted space on the one hand, on the other hand utilizes first wind channel 501 and second wind channel 502 to dispel the heat to installing electrical components 7 on corresponding installation face, avoids electrical components 7's operational environment high temperature, guarantees electrical components 7's working property, and then the life of extension integrated kitchen.

Still further, the back side of the inner container 31 of the cooking device 3 is provided with a fan cavity 10 for installing the fan 4 of the cigarette machine, the upper part of the fan cavity 10 is provided with a guide plate 6 arranged in front and back, the front surface of the guide plate 6 is covered with a third air guiding cover 53, the third air guiding cover 53 and the front surface of the guide plate 6 enclose the third air duct 503, the guide plate 6 is provided with a guide hole 63 communicated with the fan cavity 10, and the air guiding outlet 50b of the third air duct 503 is in fluid communication with the fan inlet 41 of the cigarette machine fan 4 through the guide hole 63. On one hand, the structure of the third air duct 503 can be better realized, and on the other hand, the hot air flowing to the third air duct 503 can be more smoothly guided to the fan air inlet 41 of the fan 4 of the cigarette machine. Preferably, the bottom surface of the cooking utensil 2, the upper surface of the upper mounting plate 33 and the upper surface of the baffle 6 enclose the mounting gap, the baffle hole 63 is provided on the baffle 6 in the left-right direction, and the rear end of the third air guiding cover 53 is covered on part of the baffle hole 63. Like this part water conservancy diversion hole 63 plays the effect of intercommunication ventilation passageway and fan chamber 10 to make the hot-air in the wind-guiding passageway 50 smoothly inhaled in the cigarette machine fan 4, the water conservancy diversion hole 63 of surplus part then plays the effect of intercommunication installation clearance and fan chamber 10, thereby make cooking utensils 2 and inner bag 31 radiate to the heat in installation clearance can be inhaled in the cigarette machine fan 4, play the radiating effect to the inside of integrated kitchen, avoid under the operating condition (especially cooking utensils 2 and the simultaneous working of cooking device 3) the inside high temperature of integrated kitchen.

Specifically, the flow guide plate 6 includes a first plate 61 and a second plate 62, wherein the first plate 61 extends obliquely upward from front to back, the second plate 62 extends vertically, the front end of the first plate 61 is connected to the rear end of the upper mounting plate 33, the rear end of the first plate 61 is connected to the lower end of the second plate 62, the third wind scooper 53 is covered on the upper surface of the first plate 61, the rear end of the third wind scooper 53 is covered on the front surface of the second plate 62, and the flow guide hole 63 is opened in the second plate 62. Thereby better guiding the hot air entering the third air duct 503 and allowing the hot air in the third air duct 503 and the installation gap to better flow into the fan cavity 10 through the guiding holes 63. Preferably, the rear hole edge of each guide hole 63 of the guide plate 6 is covered with a guide cover 64 with a downward opening. The hot air flowing to the diversion holes 63 can be better guided to the fan 4 of the range hood by arranging the diversion cover 64, and meanwhile, the oil smoke in the fan cavity 10 can be prevented from flowing backwards to the air guide channel 50 and the installation gap through the diversion holes 63. Further preferably, each of the fairings 64 has an arc-shaped cross section. Therefore, the air guide sleeve 64 can better guide the air flow and can play a certain acceleration role on the air flow, so that the hot air at the position of the air guide hole 63 can flow into the fan cavity 10 more quickly, the outer discharge of the hot air is accelerated, and the heat dissipation efficiency of the door body 32 and the inside of the integrated stove is improved.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter, referred to as a first portion and a second portion) in a unified manner, i.e., a fluid (gas, liquid or a mixture thereof) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide member, a hole, a groove, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims (11)

1. The integrated stove with the door body heat dissipation function comprises a stove (2), a cooking device (3) and a smoke machine fan (4) which are arranged below the stove (2), wherein the cooking device (3) comprises an inner container (31) with an open front side and a door body (32) covering the opening of the inner container (31), and is characterized in that a ventilation interlayer (320) extending up and down is arranged in the door body (32), the ventilation interlayer (320) comprises a lower air inlet (3202) positioned at the bottom of the door body (32) and an upper air outlet (3201) positioned at the top of the door body (32), the lower air inlet (3202) is communicated with the outside, and the upper air outlet (3201) is communicated with the fan air inlet (41) of the smoke machine fan (4) in a fluid mode.

2. The integrated stove with door body heat dissipation function according to claim 1, wherein a mounting gap is formed below the stove (2), a wind guide channel (50) extending back and forth is disposed in the mounting gap, the wind guide channel (50) includes a wind guide inlet (50 a) at a front end and a wind guide outlet (50 b) at a rear end, wherein the wind guide inlet (50 a) is in fluid communication with the upper outlet (3201) of the ventilation interlayer (320), and the wind guide outlet (50 b) is in fluid communication with the fan inlet (41) of the fan (4) of the range hood.

3. The integrated oven with the door body heat dissipation function as claimed in claim 2, wherein the air guide channel (50) sequentially comprises a first air duct (501), a second air duct (502) and a third air duct (503) from front to back, wherein the first air duct (501) and the second air duct (502) both extend horizontally, the size of the cross section of the first air duct (501) increases progressively from front to back, the size of the cross section of the second air duct (502) remains unchanged from front to back, the third air duct (503) extends obliquely upwards from front to back, and the size of the cross section of the third air duct (503) remains unchanged from front to back.

4. The integrated oven with door body heat dissipation function as claimed in claim 3, wherein a front port of the first air duct (501) forms the air guide inlet (50 a) of the air guide channel (50), a rear port of the third air duct (503) forms the air guide outlet (50 b) of the air guide channel (50), a rear port of the first air duct (501) is communicated with a front port of the second air duct (502), and a rear port of the second air duct (502) is communicated with a front port of the third air duct (503).

5. The integrated stove with door heat dissipation function according to claim 4, wherein an upper mounting plate (33) is horizontally disposed above the inner container (31) in the mounting gap, the upper mounting plate (33) is covered with a first wind scooper (51) and a second wind scooper (52), the first wind scooper (51) and the second wind scooper (52) respectively surround the upper surface of the upper mounting plate (33) to form the first wind channel (501) and the second wind channel (502), and top surfaces of the first wind scooper (51) and the second wind scooper (52) respectively form a first mounting surface (510) and a second mounting surface (520) for mounting an electrical component (7).

6. The integrated stove with door heat dissipation function according to claim 4, wherein a fan cavity (10) for installing the fan (4) of the range hood is arranged on the back side of the inner container (31) of the cooking device (3), the guide plates (6) arranged in the front and at the back are arranged on the upper portion of the fan cavity (10), a third air guiding cover (53) is arranged on the front surface of each guide plate (6) in a covering manner, the third air guiding cover (53) and the front surface of each guide plate (6) enclose the third air duct (503), a flow guiding hole (63) communicated with the fan cavity (10) is formed in each guide plate (6), and the air guiding outlet (50 b) of each third air duct (503) is in fluid communication with the fan inlet (41) of the fan (4) of the range hood through the flow guiding hole (63).

7. The integrated cooker with door heat dissipation function according to claim 6, wherein the bottom surface of the cooker (2), the upper surface of the upper mounting plate (33) and the upper surface of the deflector (6) enclose the mounting gap, the deflector holes (63) are arranged on the deflector (6) along the left-right direction, and the rear end of the third wind scooper (53) is covered on part of the deflector holes (63).

8. The integrated cooker with door body heat dissipation function according to claim 7, wherein the deflector (6) comprises a first plate body (61) and a second plate body (62), wherein the first plate body (61) extends obliquely upward from front to back, the second plate body (62) extends vertically, the front end of the first plate body (61) is connected to the rear end of the upper mounting plate (33), the rear end of the first plate body (61) is connected to the lower end of the second plate body (62), the third wind scooper (53) is covered on the upper surface of the first plate body (61), the rear end edge of the third wind scooper (53) is covered on the front surface of the second plate body (62), and the diversion hole (63) is opened on the second plate body (62).

9. The integrated cooker with door body heat dissipation function according to claim 7 or 8, wherein the rear hole edges of the guiding holes (63) of the guiding plate (6) are respectively covered with a guiding cover (64) with a downward opening.

10. The integrated stove with door body heat dissipation function according to claim 9, wherein the cross section of each air guide sleeve (64) is arc-shaped.

11. The integrated oven with door body heat dissipation function according to any one of claims 1 to 8, wherein the door body (32) comprises a first door panel (321) and a second door panel (322) behind the first door panel (321), and the rear surface of the first door panel (321) and the front surface of the second door panel (322) enclose the ventilation interlayer (320).

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