CN215838379U - Steaming cooking equipment - Google Patents

Abstract

The utility model relates to a steaming cooking device, which comprises an inner container with an air outlet, a water tank and a steam generator, wherein an upper mounting plate is arranged above the inner container, an exhaust channel with an exhaust fan is arranged on the upper mounting plate, the steaming cooking device also comprises a condensation cavity arranged on the upper mounting plate, a heat conduction clapboard is arranged in the condensation cavity in a separating way to vertically divide the condensation cavity into a first cavity body positioned at the upper part of the condensation cavity and a second cavity body positioned at the lower part of the condensation cavity, the first cavity body is provided with an air inlet hole and an air outlet hole, the air inlet hole is used for being in fluid communication with the air outlet of the inner container, the air outlet hole is used for being in fluid communication with the exhaust air inlet of the exhaust channel, the second cavity body is provided with an water inlet hole and a water outlet hole, the water inlet hole is used for being in fluid communication with the water outlet of the water tank, and the water outlet hole is used for being in fluid communication with the water inlet of the steam generator. The utility model can reduce the temperature of the steam, promote the condensation of the steam, reduce the outward discharge of the steam and simultaneously improve the steam generating efficiency of the steam generator.

Description

Steaming cooking equipment

Technical Field

The utility model relates to the field of cooking equipment, in particular to steaming cooking equipment.

Background

The steaming cooking equipment such as the electric steam box, the steaming and baking integrated machine and the like utilizes high-temperature steam to cook food, and redundant steam needs to be discharged outside the steam box in the cooking process. When most of existing electric steam boxes work, redundant steam in a cooking inner container is discharged into a wind guide structure through a gas outlet, and is mixed with cold air at a wind guide joint and then discharged outside the electric steam box.

Although there is certain cooling effect to high temperature steam in the above-mentioned exhaust mode of current electric steamer, but the wind-guiding structure is straight-through to the air outlet of wind-guiding structure is blown fast with the mist of steam and cold air to the air-out of exhaust fan, still has a large amount of steam emissions like this, especially finishes in the electric steamer culinary art, when opening the steam ager door body, has more steam and discharges in the twinkling of an eye, seriously influences user's use and experiences. And, with the discharge of a large amount of steam, the water vapor with higher temperature adheres to and even permeates the surrounding cupboard, and the long-term use has a great influence on the service life of the cupboard. In addition, the discharge of high-temperature steam, especially a large amount of steam is arranged outward when the steam ager finishes working, has the risk of scalding the user. In addition, the discharge of a large amount of steam may cause a waste of energy and may also affect the endurance time of the water tank.

Disclosure of Invention

The utility model aims to solve the technical problem of providing steaming cooking equipment with less outward steam emission amount aiming at the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a steaming cooking device comprises an inner container with an air outlet, a water tank and a steam generator, wherein an upper mounting plate is arranged above the inner container, an exhaust channel with an exhaust fan is arranged on the upper mounting plate, the steaming cooking device is characterized by also comprising a condensation cavity arranged on the upper mounting plate, the condensation cavity is provided with a heat conduction clapboard in a separating way to vertically divide the condensation cavity into a first cavity body positioned at the upper part of the condensation cavity and a second cavity body positioned at the lower part of the condensation cavity, the first cavity body is provided with an air inlet hole and an air outlet hole, the air inlet hole is used for being in fluid communication with the air outlet of the inner container, the air outlet hole is used for being in fluid communication with the exhaust air inlet of the exhaust channel, the second cavity body is provided with an water inlet hole and a water outlet hole, the water inlet hole is used for being in fluid communication with the water outlet of the water tank, and the water outlet hole is used for being in fluid communication with the water inlet of the steam generator.

Furthermore, an air deflector is covered on the upper surface of the upper mounting plate, the air deflector and the upper surface of the upper mounting plate enclose the exhaust channel, a condensation box is mounted on the top surface of the air deflector, and an inner cavity of the condensation box forms the condensation cavity. Therefore, the wind energy of the exhaust fan has a certain cooling effect on the water in the second cavity (the heat of the steam is far greater than the heat absorbed by the water energy), and the influence of overhigh water temperature in the second cavity on the heat dissipation effect of the steam in the first cavity is avoided.

Furthermore, the exhaust fan is arranged at the air inlet of the exhaust channel, and the condensation box is arranged on the top surface of the air inlet of the exhaust channel. Thereby further promoting the cooling effect of the air-out of the exhaust fan on the water in the second cavity.

Furthermore, the top wall of the rear end of the air deflector is inclined upwards from back to front to form a first inclined wall, the front edge of the first inclined wall is inclined downwards from back to front to form a second inclined wall, and the condensation box is installed on the upper surface of the first inclined wall. Therefore, the wind energy of the exhaust fan slowly flows and swirls in the space enclosed by the first inclined wall and the second inclined wall, and the cooling effect of the wind outlet of the exhaust fan on the water in the second cavity is further improved.

Furthermore, the upper surface of the heat-conducting partition plate is inclined downwards from front to back to form a first flow-guiding inclined plane, the lowest part of the first flow-guiding inclined plane is provided with a flow-guiding hole communicated with the second cavity, the air inlet hole is formed in the front cavity wall of the first cavity, and the air outlet hole is formed in the back cavity wall of the first cavity. Therefore, the steam entering the first cavity can be guided to the air outlet hole through the first diversion inclined plane, and condensed water formed in the first cavity can flow to the diversion hole along the first diversion inclined plane and flow into the second cavity through the diversion hole, so that the recycling of the condensed water is realized.

Furthermore, the rear end of the first diversion inclined plane extends horizontally backwards to form a first diversion slow surface, and the diversion hole is formed in the first diversion slow surface and is adjacent to the air outlet hole. On the one hand, the flow velocity of the steam in the first cavity can be reduced, so that the steam can be sufficiently in heat exchange with the water in the second cavity, the condensation effect on the steam is further improved, and on the other hand, the condensed water formed in the first cavity can be accumulated on the first flow guide slow surface and then smoothly flows into the second cavity.

Further, heat conduction fins are vertically arranged in the second cavity in an isolated mode, and flow guide gaps are reserved between at least one end of each heat conduction fin and the corresponding cavity wall of the second cavity respectively. Through setting up the heat conduction fin, on the one hand can reduce the velocity of flow of rivers in the second cavity to can make the hydroenergy in the second cavity more fully with the steam emergence heat exchange in the first cavity, on the other hand enables the water in the first cavity and absorbs the heat in the first cavity better, and then further promotes the condensation of the steam in the first cavity.

Furthermore, the inner bottom surface of the condensation box is inclined downwards from front to back to form a second flow guide inclined surface, the rear end of the second flow guide inclined surface extends horizontally backwards to form a second flow guide slow surface, the water inlet hole is formed in the rear end of the second cavity and is adjacent to the second flow guide slow surface, and the water outlet hole is formed in the front cavity wall of the second cavity. On the one hand, water in the second cavity can smoothly flow into the steam generator through the water outlet hole, on the other hand, the water flowing through the water outlet hole can be prevented from flowing out quickly through the second flow guide buffering surface, and the water in the second cavity is guaranteed to be fully subjected to heat exchange with steam in the first cavity.

Furthermore, the heat conduction fins are arranged between the lower surface of the heat conduction partition plate and the second flow guide inclined plane in a spaced mode and are arranged along the left-right direction, and the heat conduction fins are bent towards the back in an arc shape at one end forming the flow guide gap, so that water flow can be better guided to the water outlet hole.

Further, the heat conduction fins comprise first heat conduction fins and second heat conduction fins, wherein the two ends of each first heat conduction fin form the flow guide gaps respectively, the first heat conduction fins are at least two and are arranged at intervals along the front-rear direction of the second flow guide inclined plane, one ends of the second heat conduction fins form the flow guide gaps, and the second heat conduction fins are at least two and are arranged between the two adjacent first heat conduction fins at intervals along the left-right direction and oppositely. This enables the water in the second cavity to sufficiently absorb heat conducted to the heat conductive fins, further facilitating heat transfer between the water in the second cavity and the steam in the first cavity.

Furthermore, the water outlet of the second cavity is communicated with the water inlet of the steam generator through a water outlet pipe, the water outlet pipe is respectively provided with a water pump and an electromagnetic valve for controlling the opening and closing of the water outlet pipe, the second cavity is provided with a temperature sensor, the water tank is provided with a time sensor, and when the value detected by the temperature sensor and/or the time sensor exceeds a preset value, the electromagnetic valve is opened. So on the one hand can guarantee the condensation efficiency to the steam in the first cavity, on the other hand can guarantee the preheating effect to the water in the second cavity to promote steam generator's steam production efficiency.

Further, the preset value of the temperature sensor is 40 °, and the preset value of the time sensor is equal to the volume of the second chamber divided by the flow rate of the water in the second chamber.

Compared with the prior art, the utility model has the advantages that: the condensation cavity is respectively provided with the first cavity and the second cavity from top to bottom, wherein steam discharged from the inner container is discharged to the exhaust channel through the first cavity, water in the water tank is introduced into the second cavity and then enters the steam generator, so that cold water entering the second cavity can be in heat transfer with high-temperature steam in the first cavity through the heat-conducting partition plate, the temperature of the steam is reduced, the condensation of the steam is promoted, the discharge amount of the steam is reduced, and meanwhile, the residual temperature of the steam can preheat the water in the second cavity to a certain extent, so that the steam generating efficiency of the steam generator is improved.

Drawings

FIG. 1 is a schematic structural diagram of a steaming cooking device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is a schematic view of the structure of FIG. 1 in still another direction;

FIG. 4 is an exploded view of the condensing box according to the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a case according to an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of FIG. 5 in another direction;

FIG. 7 is a cross-sectional view taken along A-A of FIG. 5;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 6;

fig. 9 is a sectional view of a condensation box according to an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 9, a steaming cooking apparatus includes an inner container (not shown) having an air outlet, a water tank 2 and a steam generator 3, wherein an upper mounting plate 1 is disposed above the inner container, an air exhaust channel 40 having an air exhaust fan 41 is mounted on the upper mounting plate 1, and the air exhaust fan 41 is mounted at an air inlet of the air exhaust channel 40, and in addition, in this embodiment, the water tank 2 and the steam generator 3 are both mounted on an upper surface of the upper mounting plate 1. The upper surface of the upper mounting plate 1 is covered with a baffle plate 4, and the exhaust duct 40 is surrounded by the baffle plate 4 and the upper surface of the upper mounting plate 1.

Further, the steam generator further comprises a condensation chamber 50 disposed on the upper mounting plate 1, the condensation chamber 50 is partitioned by a heat conductive partition 503 into a first chamber 501 located at an upper portion of the condensation chamber 50 and a second chamber 502 located at a lower portion of the condensation chamber 50, the first chamber 501 has an air inlet hole 51 and an air outlet hole 52, wherein the air inlet hole 51 is used for being in fluid communication with an air outlet of the inner container, the air outlet hole 52 is used for being in fluid communication with an air outlet 401 of the exhaust channel 40 (in this embodiment, the air outlet hole 52 is in fluid communication with the air outlet 401 through the exhaust pipe 9), the second chamber 502 has an water inlet hole 53 and a water outlet hole 54, wherein the water inlet hole 53 is used for being in fluid communication with a water outlet of the water tank 2, and the water outlet hole 54 is used for being in fluid communication with a water inlet of the steam generator 3. In this sample embodiment, the condensation cavity 50 is provided with a first cavity 501 and a second cavity 502 respectively at the top and bottom, wherein the steam discharged from the inner container is discharged to the exhaust channel 40 through the first cavity 501, and the water in the water tank 2 is introduced into the second cavity 502 and then enters the steam generator 3, so that the cold water entering the second cavity 502 can generate heat transfer with the high-temperature steam in the first cavity 501 through the heat-conducting partition 503, thereby reducing the temperature of the steam, promoting the condensation of the steam, reducing the discharge amount of the steam, and simultaneously the residual temperature of the steam can preheat the water in the second cavity 502 to a certain extent, thereby improving the efficiency of the steam generator 3 for generating the steam.

Specifically, in the present embodiment, the top surface of the air guiding plate 4 is provided with a condensation box 5, an inner cavity of the condensation box 5 forms the condensation chamber 50, and specifically, the condensation box 5 includes a box body 5a with an upper opening and a cover body 5b covering the opening of the box body 5 a. Thus, the outlet air of the exhaust fan 41 has a certain cooling effect on the water in the second cavity 502 (the heat of the steam in the first cavity 501 is much larger than the heat absorbed by the water in the second cavity 502), and the influence of the overhigh water temperature in the second cavity 502 on the heat dissipation effect of the steam in the first cavity 501 is avoided. Preferably, the exhaust fan 41 is installed at the air inlet of the exhaust channel 40, and the condensation box 5 is disposed on the top surface of the air inlet of the exhaust channel 40, so as to further enhance the cooling effect of the outlet air of the exhaust fan 41 on the water in the second cavity 502. Further, it is preferable that a top wall of a rear end of the air guide plate 4 is upwardly inclined from rear to front to form a first inclined wall 42, a front edge of the first inclined wall 42 is downwardly inclined from rear to front to form a second inclined wall 43, and the condensation box 5 is mounted on an upper surface of the first inclined wall 42. Thus, the outlet air of the exhaust fan 41 can swirl slowly in the space enclosed by the first inclined wall 42 and the second inclined wall 43, so as to further improve the cooling effect of the outlet air of the exhaust fan 41 on the water in the second cavity 502.

Further, the upper surface of the heat conductive partition 503 is inclined downward from front to back to form a first diversion inclined plane 5032, the lowest portion of the first diversion inclined plane 5032 is provided with a diversion hole 5031 communicated with the second cavity 502, the air inlet 51 is provided on the front cavity wall of the first cavity 501, and the air outlet 52 is provided on the rear cavity wall of the first cavity 501. Thus, the steam entering the first cavity 501 can be guided to the air outlet 52 by the first diversion inclined plane 5032, and the condensed water formed in the first cavity 501 can flow to the diversion hole 5031 along the first diversion inclined plane 5032 and flow into the second cavity 502 through the diversion hole 5031, so as to recycle the condensed water. Preferably, the rear end of the first diversion inclined surface 5032 extends horizontally backward to form a first diversion slowing surface 5033, and the diversion hole 5031 is formed on the first diversion slowing surface 5033 and adjacent to the air outlet 52. On one hand, the flow rate of the steam in the first cavity 501 can be reduced, so that the steam can sufficiently exchange heat with the water in the second cavity 502, and further the condensation effect on the steam can be improved, and on the other hand, the condensed water formed in the first cavity 501 can be accumulated on the first flow guiding slow surface 5033 and then smoothly flows into the second cavity 502.

Further, the second cavity 502 is vertically provided with heat conducting fins 6 at intervals, and a flow guiding gap 63 is respectively reserved between at least one end of each heat conducting fin 6 and the corresponding cavity wall of the second cavity 502. Through setting up heat conduction fin 6, the velocity of flow of rivers in the second cavity 502 can be reduced on the one hand to can make the hydroenergy in the second cavity 502 more fully with the steam emergence heat exchange in the first cavity 501, on the other hand can make the water in the first cavity 501 absorb the heat in the first cavity 501 better, and then further promote the condensation effect to the steam in the first cavity 501.

In addition, the inner bottom surface of the condensing box 5 is inclined downward from front to back to form a second flow guiding inclined surface 5021, the rear end of the second flow guiding inclined surface 5021 extends horizontally backward to form a second flow guiding slow surface 5022, the water inlet 53 is formed at the rear end of the second cavity 502 and is adjacent to the second flow guiding slow surface 5022, and the water outlet 54 is formed in the front cavity wall of the second cavity 502. On the one hand, water in the second cavity 502 can smoothly flow into the steam generator 3 through the water outlet 54, and on the other hand, the water can be prevented from flowing out of the water outlet 54 quickly through the second flow guide slow surface 5022, so that heat exchange between the water in the second cavity 502 and the steam in the first cavity 501 is ensured.

Further, in this embodiment, the heat-conducting fin 6 is disposed between the lower surface of the heat-conducting partition 503 and the second diversion inclined plane 5021 in the left-right direction, and the heat-conducting fin 6 is bent backward in an arc shape at the end where the diversion gap 63 is formed, so that the water flow can be better guided to the water outlet 54. Preferably, in this embodiment, the heat conducting fins 6 include first heat conducting fins 61 and second heat conducting fins 62, wherein the two ends of the first heat conducting fins 61 respectively form the flow guiding gaps 63, the first heat conducting fins 61 are at least two and are spaced apart from each other along the front-rear direction of the second flow guiding inclined plane 5021, one end of the second heat conducting fins 62 forms the flow guiding gap 63, and the second heat conducting fins 62 are at least two and are spaced apart from each other in the left-right direction and are oppositely disposed between two adjacent first heat conducting fins 61. This enables the water in the second cavity 502 to sufficiently absorb the heat conducted to each heat conductive fin 6, further promoting the heat transfer between the water in the second cavity 502 and the steam in the first cavity 501.

In this embodiment, the water outlet 21 of the water tank 2 is communicated with the water inlet 53 of the second cavity 502 through the water inlet pipe 20, the water outlet 54 of the second cavity 502 is communicated with the water inlet of the steam generator 3 through the water outlet pipe 7, the water outlet pipe 7 is respectively provided with the water pump 71 and the electromagnetic valve 72 for controlling the opening and closing of the water outlet pipe 7, the second cavity 502 is provided with the temperature sensor 8, the water tank 2 is provided with the time sensor (not shown), and when the value detected by the temperature sensor 8 and/or the time sensor exceeds a preset value, the electromagnetic valve 72 is opened. So on the one hand can guarantee the condensation efficiency to the steam in first cavity 501, on the other hand can guarantee the effect of preheating to the water in second cavity 502 to promote steam generator 3's steam and produce efficiency. Specifically, in the present embodiment, the preset value of the temperature sensor 8 is 40 °, and the preset value of the time sensor is equal to the volume of the second cavity 502 divided by the flow rate of the water in the second cavity 502.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow from the first portion along a flow path or/and be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a conduit, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims (12)

1. A steaming cooking device comprises an inner container with an air outlet, a water tank (2) and a steam generator (3), wherein an upper mounting plate (1) is arranged above the inner container, an air outlet channel (40) with an air outlet fan (41) is arranged on the upper mounting plate (1), the steaming cooking device is characterized by also comprising a condensation cavity (50) arranged on the upper mounting plate (1), the condensation cavity (50) is provided with a heat conduction clapboard (503) in a middle-to-top manner to divide the condensation cavity (50) into a first cavity (501) positioned at the upper part of the condensation cavity (50) and a second cavity (502) positioned at the lower part of the condensation cavity (50), the first cavity (501) is provided with an air inlet (51) and an air outlet (52), wherein the air inlet (51) is in fluid communication with the air outlet of the inner container, and the air outlet (52) is in fluid communication with the air outlet of the air outlet channel (40), the second chamber (502) has an inlet opening (53) and an outlet opening (54), wherein the inlet opening (53) is adapted to be in fluid communication with an outlet opening of the water reservoir (2) and the outlet opening (54) is adapted to be in fluid communication with an inlet opening of the steam generator (3).

2. The steaming cooking device according to claim 1, wherein the upper surface of the upper mounting plate (1) is covered with a wind deflector (4), the wind deflector (4) and the upper surface of the upper mounting plate (1) enclose the exhaust passage (40), a condensation box (5) is mounted on the top surface of the wind deflector (4), and an inner cavity of the condensation box (5) forms the condensation chamber (50).

3. The steaming cooking apparatus according to claim 2, wherein the condensation box (5) is provided at an air intake end of the exhaust passage (40).

4. The steaming cooking device according to claim 3, wherein a top wall of a rear end of the air guide plate (4) is inclined upward from rear to front to form a first inclined wall (42), and a front edge of the first inclined wall (42) is inclined downward from rear to front to form a second inclined wall (43), and the condensation box (5) is mounted on an upper surface of the first inclined wall (42).

5. The steaming cooking device according to any one of claims 1 to 4, wherein the upper surface of the heat-conducting partition (503) is inclined downward from front to back to form a first diversion slope (5032), the lowest part of the first diversion slope (5032) is provided with a diversion hole (5031) communicated with the second cavity (502), the air inlet hole (51) is provided on the front cavity wall of the first cavity (501) and the air outlet hole (52) is provided on the back cavity wall of the first cavity (501).

6. The steaming cooking device according to claim 5, wherein the rear end of the first guide slope (5032) extends horizontally rearward to form a first guide relief surface (5033), and the guide hole (5031) is formed in the first guide relief surface (5033) and adjacent to the air outlet hole (52).

7. The steaming cooking device according to claim 5, wherein the second cavity (502) is vertically provided with heat conducting fins (6) at intervals, and a flow guiding gap (63) is respectively reserved between at least one end of each heat conducting fin (6) and the corresponding cavity wall of the second cavity (502).

8. The steaming cooking device according to claim 7, wherein the inner bottom surface of the condensation box (5) is inclined downward from front to back to form a second flow guiding inclined surface (5021), the rear end of the second flow guiding inclined surface (5021) extends horizontally backward to form a second flow guiding slow surface (5022), the water inlet hole (53) is formed at the rear end of the second cavity (502) and is adjacent to the second flow guiding slow surface (5022), and the water outlet hole (54) is formed in the front cavity wall of the second cavity (502).

9. The steaming cooking device according to claim 8, wherein the heat conducting fin (6) is provided between the lower surface of the heat conducting partition plate (503) and the second guide slope (5021) in the left-right direction, and the heat conducting fin (6) is bent backward in an arc shape at an end where the guide gap (63) is formed.

10. The steaming cooking apparatus according to claim 8, wherein the heat-conducting fins (6) comprise first heat-conducting fins (61) and second heat-conducting fins (62), wherein both ends of the first heat-conducting fins (61) form the flow-guiding gaps (63), respectively, and the first heat-conducting fins (61) are at least two and are spaced apart in a front-rear direction of the second flow-guiding inclined plane (5021), one ends of the second heat-conducting fins (62) form the flow-guiding gaps (63), and the second heat-conducting fins (62) are at least two and are spaced apart in a left-right direction and are oppositely disposed between two adjacent first heat-conducting fins (61).

11. The steaming cooking device according to any one of claims 1 to 4, wherein the water outlet (54) of the second cavity (502) is communicated with the water inlet of the steam generator (3) through a water outlet pipe (7), the water outlet pipe (7) is provided with a water pump (71) and an electromagnetic valve (72) for controlling the opening and closing of the water outlet pipe (7), the second cavity (502) is provided with a temperature sensor (8), the water tank (2) is provided with a time sensor, and the electromagnetic valve (72) is opened when a value detected by the temperature sensor (8) and/or the time sensor exceeds a preset value.

12. The steaming cooking device according to claim 11, wherein the preset value of the temperature sensor (8) is 40 ° and the preset value of the time sensor is equal to the volume of the second chamber (502) divided by the flow rate of water in the second chamber (502).

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