CN219206604U

CN219206604U - Exhaust condensing structure and steaming cooking device

Info

Publication number: CN219206604U
Application number: CN202222025337.0U
Authority: CN
Inventors: 王黎喆; 杨均
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-06-20
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to an exhaust condensing structure and a steaming cooking device, which comprises an exhaust channel and a condensing box, wherein a first air inlet of the condensing box is used for being in fluid communication with an exhaust port of an inner container, a first air outlet of the condensing box is in fluid communication with a channel air inlet of the exhaust channel, the exhaust channel is provided with an exhaust fan, the channel air inlet is positioned between a fan air outlet of the exhaust fan and an air outlet port of the exhaust channel, the condensing box further comprises a heat exchange air channel which can exchange heat with the condensing box, an air channel air inlet of the heat exchange air channel is in fluid communication with the outside, and an air channel air outlet of the heat exchange air channel is in fluid communication with a fan air inlet of the exhaust fan. Compared with the prior art, the condensing box can continuously maintain a good condensing effect, and the steam discharge amount of the cooking device is continuously reduced.

Description

Exhaust condensing structure and steaming cooking device

Technical Field

The utility model relates to the field of cooking devices, in particular to an exhaust condensing structure and a steaming cooking device.

Background

The steam box, steam oven etc. steam cooking device's outer exhaust steam volume is too big, not only can influence the duration of water tank, also can gather the comdenstion water in gas vent department and influence user's use experience simultaneously, in addition can also influence the life of cupboard.

Therefore, in the prior art, the vapor amount in the exhaust gas can be reduced by condensation means, for example, chinese patent No. ZL202010324713.9 (issued publication No. CN 113545657B) discloses an air deflector structure and a cooking device with steaming function thereof, which includes an air deflector, a condensation box, an exhaust fan, a first joint, a second joint and a third joint, wherein the first joint has a first water inlet interface, a first air outlet interface, a first water outlet interface and a first air inlet interface, the second joint has a second water inlet interface, a second air outlet interface, a second water outlet interface and a second air inlet interface, the third joint has a third water inlet interface and a third water outlet interface, the condensation box includes a condensation chamber and a water ring groove, the first water outlet interface is communicated with a water inlet hole of the water ring groove, the second water outlet interface is communicated with a first water outlet hole Xiang Liantong of the water ring groove, the third water inlet interface is communicated with a second water outlet hole of the water ring groove, and the air inlet hole of the condensation chamber is communicated with the first air inlet interface.

The existing condensing box is composed of a box body with an upper opening and a condensing plate covered on the opening of the box body, and in the continuous working process of the cooking device, the temperature of the condensing plate can rise, so that the condensing effect of the condensing plate on steam is reduced, and the control of the amount of externally discharged steam is affected.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide an exhaust condensing structure with good continuous condensing effect of a condensing box aiming at the prior art.

The second technical problem to be solved by the present utility model is to provide a cooking device with the above exhaust condensing structure.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the utility model provides an exhaust condensing structure, includes exhaust passage and condensation box, and the first air inlet of this condensation box is used for being linked together with the gas vent of inner bag, and first gas outlet is linked together with the passageway air inlet of above-mentioned exhaust passage, and this exhaust passage has exhaust fan, and above-mentioned passageway air inlet is located between the fan air outlet of exhaust fan and the air outlet port of exhaust passage, its characterized in that still includes the heat transfer wind channel that can take place heat exchange with above-mentioned condensation box, and the wind channel air intake of this heat transfer wind channel communicates with each other with the external world, and wind channel air outlet and the fan air intake fluid communication of above-mentioned exhaust fan.

Further, the whole cuboid form that is the level setting of appearance of condensation box, above-mentioned heat transfer wind channel sets up on the top surface of this condensation box, and this heat transfer wind channel extends along the length direction of this condensation box. Therefore, the heat exchange air duct can be more efficiently and fully subjected to heat exchange with the condensation box.

Further, the condensation box includes the open box body in upper portion and covers the condensation plate on the opening of this box body, and above-mentioned heat transfer wind channel includes the casing that extends along condensation box length direction, and the both ends of this casing open respectively and form above-mentioned wind channel air intake and air flue air outlet, and vertically separate in this casing to be equipped with along the heat exchanger plate that condensation box length direction extends, and this heat exchanger plate sets up along the inside width direction interval of casing to, above-mentioned casing is fixed on the top surface of above-mentioned condensation plate. Therefore, the heat exchange effect of the heat exchange air duct can be effectively improved, heat exchange can be effectively performed with the condensing plate, the temperature rise of the condensing plate is effectively avoided, and the condensing effect of the condensing box is further guaranteed.

Further, the shell and the condensing plate are integrated. Therefore, the heat exchange air duct and the condensation box are simple in structure, and meanwhile, the heat exchange effect between the heat exchange air duct and the condensation box can be improved.

Further, the shell comprises a first part and a second part which are arranged continuously along the length direction of the shell, wherein the free end port of the first part forms the air inlet of the air channel, the free end port of the second part forms the air outlet of the air channel, the cross section of the first part is kept unchanged, the cross section of the second part is decreased along the length direction of the second part, and the length of the first part is larger than that of the second part. The cold air entering the heat exchange air duct can fully exchange heat with the condensing plate in the first part, and the warm air after heat exchange can rapidly flow to the exhaust fan through the second part.

Further, the exhaust fan is a centrifugal fan and is arranged on an air inlet port of the exhaust channel, and a fan air inlet of the exhaust fan is communicated with an air channel air outlet of the heat exchange air channel through an induced air channel, so that warm air exhausted outside the heat exchange air channel can be better led into the exhaust fan.

Further, the exhaust fan comprises a volute cover, the top wall of the volute cover is provided with the fan air inlet, the fan air inlet is vertically covered with an induced air cover, the inner cavity of the induced air cover forms the induced air channel, the induced air cover is provided with an induced air port, and the air channel air outlet of the shell is connected to the induced air port. Therefore, the air guide duct can be better formed, and the air duct air outlet of the heat exchange air duct can be better connected with the fan air inlet of the exhaust fan through the air guide duct.

Further, the fan air inlet on the top wall of the volute housing is arc-shaped, correspondingly, the cross section of the air guiding housing is arc-shaped and is matched with the fan air inlet, and the motor of the exhaust fan is arranged on the top surface of the volute housing and is surrounded by the inner concave part of the air guiding housing. The warm air (the temperature is still lower than the ambient temperature of motor) that gets into induced air wind channel like this can cool down the motor simultaneously, avoids motor operational environment temperature too high.

Further, the air inducing opening is arranged on the outer side wall of the air inducing cover, and the opening edge of the air outlet of the air duct is arc-shaped and is matched with the opening edge of the air inducing opening. Thereby the air in the heat exchange air duct can flow into the induced air duct more smoothly.

Further, the exhaust passage comprises a horizontal air deflector, and the condensing box is fixed on the top surface of the air deflector.

The technical scheme adopted for further solving the second technical problem is as follows: a steaming cooking device characterized by having an exhaust condensing structure as described above.

Compared with the prior art, the utility model has the advantages that: the utility model is provided with the heat exchange air duct, and in the working state, the exhaust fan rotates to drive external cold air to enter the heat exchange air duct through the air duct air inlet of the heat exchange air duct, and the cold air entering the heat exchange air duct exchanges heat with the condensing box to avoid the temperature rise of the condensing box, so that the condensing box can continuously keep good condensing effect, and the amount of the externally discharged steam of the cooking device is continuously reduced.

Drawings

Fig. 1 is a schematic structural view of a steaming cooking device according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a steaming cooking device according to an embodiment of the present utility model;

fig. 3 is a partially exploded view of a steaming cooking device according to an embodiment of the present utility model;

fig. 4 is a cross-sectional view of a steaming cooking device in another direction in an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

As shown in fig. 1 to 4, a steaming cooking device (for example, a steaming box, a steaming oven, etc.) comprises a liner 1, an upper mounting plate 2 is horizontally arranged above the liner 1, an air deflector 3 is covered on the upper surface of the upper mounting plate 2, an exhaust channel 30 is surrounded by the air deflector 3 and the upper surface of the upper mounting plate 2, and an exhaust fan 4 is mounted on an air inlet port of the exhaust channel 30. The exhaust fan 4 includes a volute casing 40 covered on the upper surface of the upper mounting plate 2, a fan air inlet 41 of the exhaust fan 4 is formed on the top wall of the volute casing 40, a motor 42 is mounted on the top surface of the volute casing 40, a motor 42 shaft of the motor 42 extends into the volute casing 40 and is provided with an impeller (not shown), and a fan air outlet of the exhaust fan 4 is communicated with an air inlet port of the exhaust channel 30.

Further, a condensation box 5 is fixed on the top surface of the air deflector 3, the condensation box 5 is rectangular and includes a box body 51 with an open upper part and a condensation plate 52 covering the opening of the box body 51, a first air inlet 511 of the condensation box 5 is communicated with an air outlet (not shown) of the liner 1 through an air outlet pipe, and a first air outlet 512 of the condensation box 5 is in fluid communication with the channel air inlet 31 of the air outlet channel 30. In this embodiment, the box body 51 of the condensation box 5 and the air deflector 3 are integrated, and the first air outlet 512 is directly connected to the channel air inlet 31.

Still further, the condensing box 5 further comprises a heat exchange air channel 6 capable of heat exchange with the condensing box 5, an air channel air inlet 601 of the heat exchange air channel 6 is communicated with the outside, and an air channel air outlet 602 is in fluid communication with a fan air inlet 41 of the exhaust fan 4. In this way, the heat exchange air duct 6 is arranged in the utility model, and in the working state, the exhaust fan 4 rotates to drive external cold air to enter the heat exchange air duct 6 through the air duct air inlet 601 of the heat exchange air duct 6, and the cold air entering the heat exchange air duct 6 exchanges heat with the condensation box 5 to avoid the temperature rise of the condensation box 5, so that the condensation box 5 can continuously maintain a good condensation effect, and the amount of the discharged steam of the cooking device is continuously reduced. Meanwhile, the gas exhausted from the heat exchange air duct 6 is exhausted into the exhaust channel 30 through the exhaust fan 5, and then is exhausted from the air outlet port 301 of the exhaust channel 30 together with the exhaust body outside the liner 1 after the condensation treatment.

Preferably, the heat exchanging air duct 6 is disposed on the top surface of the condensation box 5, and the heat exchanging air duct 6 extends along the length direction of the condensation box 5, so that the heat exchanging air duct 6 can exchange heat with the condensation box 5 more efficiently and sufficiently. In addition, the heat exchanging air duct 6 includes a housing 61 extending along the length direction of the condensation box 5, both ends of the housing 61 are respectively opened to form the air duct inlet 601 and the air duct outlet 602, heat exchanging fins 62 extending along the length direction of the condensation box 5 are vertically spaced from each other in the housing 61, the heat exchanging fins 62 are spaced from each other along the width direction of the inside of the housing 61, and the housing 61 is fixed to the top surface of the condensation plate 52. Thereby can effectively promote the heat transfer effect in heat transfer wind channel 6, can take place the heat exchange with condensation plate 52 simultaneously high-efficiently, effectively avoid condensation plate 52 temperature to rise, and then guarantee the condensation effect of condensation box 5. Preferably, the housing 61 and the condensing plate 52 are integrated, so that the heat exchanging air duct 6 and the condensing box 5 can be simply structured, and the heat exchanging effect between the two can be improved.

Further, the housing 61 includes a first portion 6a and a second portion 6b disposed continuously along a length direction thereof, wherein a free end port of the first portion 6a forms the air duct inlet 601, and a free end port of the second portion 6b forms the air duct outlet 602, and a cross-sectional size of the first portion 6a is kept unchanged, and a cross-sectional size of the second portion 6b is decreased along the length direction thereof, and a length of the first portion 6a is greater than a length of the second portion 6b. The cold air thus introduced into the heat exchanging duct 6 can be sufficiently heat-exchanged with the condensing plate 52 at the first portion 6a, and the heat-exchanged warm air can be rapidly flowed to the exhaust fan 4 through the second portion 6b.

Further, in this embodiment, the fan air inlet 41 of the exhaust fan 4 is communicated with the air duct air outlet 602 of the heat exchange air duct 6 through the air induction duct 70, so that warm air exhausted from the heat exchange air duct 6 can be better led into the exhaust fan 4. Still further, the fan air inlet 41 is vertically covered with an air guiding cover 7, the inner cavity of the air guiding cover 7 forms the air guiding duct 70, the air guiding cover 7 is provided with an air guiding opening 71, and the air guiding opening 602 of the housing 61 is connected to the air guiding opening 71. The air guiding duct 70 can be formed better, and the air duct air outlet 602 of the heat exchange air duct 6 can be connected with the fan air inlet 41 of the exhaust fan 4 better through the air guiding duct 70.

Preferably, the fan air inlet 41 on the top wall of the volute casing 40 is arc-shaped, correspondingly, the cross section of the induced draft casing 7 is arc-shaped and matched with the fan air inlet 41, and the motor 42 of the exhaust fan 4 is arranged on the top surface of the volute casing 40 and is surrounded in the concave of the induced draft casing 7. The warm air (the temperature is still lower than the ambient temperature of the motor 42) entering the induced air duct 70 can cool the motor 42 at the same time, so that the working ambient temperature of the motor 42 is prevented from being too high. Further, the air guiding opening 71 is provided on the outer sidewall of the air guiding cover 7, and the opening edge of the air guiding opening 602 is arc-shaped and matches with the opening edge of the air guiding opening 71, so that the air in the heat exchanging air duct 6 can more smoothly flow into the air guiding air duct 70.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, and may be directly communicated between the first part and the second part, or may be indirectly communicated between the first part and the second part through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guide, a hole, a groove, or the like, or may be a chamber allowing a fluid to flow through, or a combination of the above.

Claims

1. An exhaust condensing structure comprises an exhaust passage (30) and a condensing box (5), wherein a first air inlet (511) of the condensing box (5) is used for being in fluid communication with an exhaust port of an inner container (1), a first air outlet (512) is in fluid communication with a passage air inlet (31) of the exhaust passage (30), the exhaust passage (30) is provided with an exhaust fan (4), the passage air inlet (31) is positioned between a fan air outlet of the exhaust fan (4) and an air outlet port (301) of the exhaust passage (30), and the condensing box is characterized by further comprising a heat exchange air passage (6) capable of carrying out heat exchange with the condensing box (5), an air passage air inlet (601) of the heat exchange air passage (6) is in fluid communication with the outside, and an air passage air outlet (602) is in fluid communication with a fan air inlet (41) of the exhaust fan (4).

2. The exhaust condensing structure according to claim 1, characterized in that the condensing box (5) is in a rectangular parallelepiped shape with a horizontal shape, the heat exchanging air duct (6) is disposed on the top surface of the condensing box (5), and the heat exchanging air duct (6) extends along the length direction of the condensing box (5).

3. The exhaust condensing structure according to claim 2, characterized in that the condensing box (5) comprises a box body (51) with an open upper part and a condensing plate (52) covering the opening of the box body (51), the heat exchanging air duct (6) comprises a shell (61) extending along the length direction of the condensing box (5), two ends of the shell (61) are respectively opened to form the air duct air inlet (601) and the air duct air outlet (602), heat exchanging fins (62) extending along the length direction of the condensing box (5) are vertically arranged in the shell (61) at intervals along the width direction inside the shell (61), and the shell (61) is fixed on the top surface of the condensing plate (52).

4. A vent-gas condensing structure according to claim 3, characterized in that said housing (61) is integral with said condensing plate (52).

5. The exhaust condensing structure according to claim 3 or 4, characterized in that the housing (61) comprises a first portion (6 a) and a second portion (6 b) arranged in succession along its length, wherein the free end port of the first portion (6 a) constitutes the air duct intake (601) and the free end port of the second portion (6 b) constitutes the air duct outtake (602), and the cross-sectional size of the first portion (6 a) remains unchanged while the cross-sectional size of the second portion (6 b) decreases along its length, and the length of the first portion (6 a) is greater than the length of the second portion (6 b).

6. The exhaust condensing structure according to claim 3 or 4, characterized in that the exhaust fan (4) is a centrifugal fan and is disposed on an air inlet port of the exhaust channel (30), and a fan air inlet (41) of the exhaust fan (4) is communicated with an air channel air outlet (602) of the heat exchange air channel (6) through an air guiding air channel (70).

7. The exhaust condensing structure according to claim 6, characterized in that the exhaust fan (4) comprises a volute casing (40), the top wall of the volute casing (40) is provided with the fan air inlet (41), the vertical cover on the fan air inlet (41) is provided with an air guiding cover (7), the inner cavity of the air guiding cover (7) forms the air guiding duct (70), the air guiding cover (7) is provided with an air guiding opening (71), and the air duct air outlet (602) of the casing (61) is connected to the air guiding opening (71).

8. The exhaust condensing structure according to claim 7, characterized in that the fan inlet (41) on the top wall of the volute casing (40) is arc-shaped, and correspondingly, the cross section of the induced draft casing (7) is arc-shaped and matches with the fan inlet (41), and the motor (42) of the exhaust fan (4) is disposed on the top surface of the volute casing (40) and is enclosed in the concave of the induced draft casing (7).

9. The exhaust condensing structure according to claim 8, wherein the air intake (71) is provided on an outer sidewall of the air intake cover (7), and a mouth edge of the air outlet (602) of the air duct is arc-shaped and matches with a mouth edge of the air intake (71).

10. The exhaust condensing structure according to any one of claims 1 to 4, characterized in that the exhaust passage (30) comprises a horizontally disposed air deflector (3), and the condensing box (5) is fixed to the top surface of the air deflector (3).

11. A steaming cooking device, characterized by having an exhaust condensing structure according to any one of claims 1 to 10.