CN216090387U

CN216090387U - Exhaust system of kitchen appliance

Info

Publication number: CN216090387U
Application number: CN202120932699.0U
Authority: CN
Inventors: 王豪杰; 黎铭峰; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-03-22
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses an exhaust system of a kitchen appliance, which comprises a liner, an exhaust assembly, a water storage tank and a spray assembly, wherein the exhaust assembly is arranged on the liner, one end of the exhaust assembly is communicated with the liner, the other end of the exhaust assembly is communicated with the outside to discharge high-temperature steam in the liner, the spray assembly is arranged on the exhaust assembly, one end of the spray assembly, far away from the exhaust assembly, is communicated with the water storage tank, atomizes liquid in the water storage tank and then sprays the atomized water into the exhaust assembly, the atomized water mist carries out condensation heat exchange on the high-temperature steam in the exhaust assembly, and gas after condensation heat exchange is discharged outside through the exhaust assembly. Its simple structure mixes in order to realize the condensation heat transfer purpose through atomizer blowout water smoke to effectively reduce the steam content of high temperature steam, and then can not form the comdenstion water at the gas vent periphery.

Description

Exhaust system of kitchen appliance

Technical Field

The utility model relates to the technical field of kitchen electricity, in particular to an exhaust system of a kitchen appliance.

Background

In kitchen appliances, in addition to the capability of washing dishes, the drying of the dishes after washing is required, and the introduction of a ventilation system can enhance the drying capability. Wherein, one of the important component parts of the ventilation system is an exhaust system which is used for exhausting the damp and hot gas in the inner container to the outside of the machine in the drying stage, thereby avoiding the condensation of the water vapor on the tableware and the inner wall of the inner container after the temperature in the inner container is reduced, and further effectively ensuring the drying effect of the tableware. However, the discharged moisture-laden humid air is rich in water vapor, and the condensation in the exhaust air duct is relatively limited, so that the condensation is easily generated around the exhaust port in the exhaust process, water drops are formed to drip from the air outlet when the condensation amount is large, the use experience of a user is influenced, and the misunderstanding of water leakage of the user can be possibly caused. In summary, the problem of more sufficient condensation of the exhaust gas before it is exhausted outside the machine is one of the technical problems that the kitchen appliance industry is in urgent need to solve.

Disclosure of Invention

The utility model aims to solve at least one of the problems in the prior related art to a certain extent, and therefore the utility model provides an exhaust system of a kitchen appliance, which is simple in structure, and can be used for mixing water mist sprayed out by a sprayer with high-temperature steam to achieve the purpose of condensation and heat exchange, so that the water vapor content of the high-temperature steam is effectively reduced, and further, no condensed water is formed at the periphery of an exhaust port.

The above purpose is realized by the following technical scheme:

the utility model provides an exhaust system of kitchen appliance, includes the inner bag, still includes exhaust subassembly, storage water tank and spraying subassembly, wherein exhaust subassembly sets up on the inner bag, and exhaust subassembly one end with the inner bag is linked together, and the other end and outside intercommunication are in order with the high-temperature steam of inner bag the inside is toward outer discharge, spraying subassembly sets up on the exhaust subassembly, spraying subassembly is keeping away from in exhaust subassembly's one end with the storage water tank is linked together, spraying subassembly will behind the liquid atomization in the storage water tank toward spout in the exhaust subassembly again, atomized water smoke is right high-temperature steam in the exhaust subassembly carries out the condensation heat transfer, through exhaust subassembly is with the gas after the condensation heat transfer toward outer discharge.

In some embodiments, the spraying assembly includes a sprayer and a driving mechanism, wherein a nozzle of the sprayer is disposed in the exhaust assembly, a water suction port of the sprayer is communicated with the water storage tank, an air inlet of the sprayer is communicated with the outside of the inner container, and an output end of the driving mechanism is connected with the sprayer to drive the sprayer to suck the liquid in the water storage tank for atomization, and simultaneously spray the atomized water mist out of the exhaust assembly.

In some embodiments, the cross-sectional area of the nebulizer water-intake is smaller than the cross-sectional area of the nebulizer air-intake.

In some embodiments, the exhaust assembly includes an exhaust air duct and an exhaust fan, wherein the exhaust air duct is disposed on an outer side wall of the inner container, one end of the exhaust air duct communicates with the inner container, the other end communicates with the outside through the exhaust fan, and the spray assembly is disposed in the exhaust air duct.

In some embodiments, the exhaust assembly further comprises a plurality of ribs, and the plurality of ribs are arranged in the exhaust air duct in a staggered manner to condense high-temperature steam entering the exhaust air duct.

In some embodiments, the fixed end of the rib is connected with the inner wall of the exhaust air duct, and the free end of the rib extends from the inner wall of the exhaust air duct to the direction inside the exhaust air duct and is obliquely arranged along the flowing direction of the gas.

In some embodiments, the exhaust duct has a first side wall and a second side wall which are opposite to each other, the ribs are respectively disposed on the first side wall and the second side wall, and the height of the rib on the first side wall is higher than the height of the rib on the second side wall.

In some embodiments, the inner container further comprises a vent, the exhaust air duct is communicated with the inner container through the vent, the spraying assembly is arranged corresponding to the vent, and an exhaust port communicated with the outside and a water return port communicated with the inner container are respectively arranged at one end of the exhaust air duct far away from the vent.

In some embodiments, the spraying assembly includes a sprayer and a driving mechanism, wherein the nozzle of the sprayer is disposed in the exhaust assembly, the water suction port of the sprayer is communicated with the water storage tank, and the output end of the driving mechanism is connected to the sprayer to drive the sprayer to suck the liquid in the water storage tank for atomization, and simultaneously spray the atomized water mist out of the exhaust assembly.

In some embodiments, a water inlet is opened at the top position of the water storage tank, a water outlet is opened on the side wall of the water storage tank, and the water outlet is communicated with the spraying assembly.

In some embodiments, a drain pipe is communicated with the bottom of the water storage tank, one end of the drain pipe, which is far away from the water storage tank, is communicated with the inner container, and a drain valve is arranged on the drain pipe.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. the exhaust system for the kitchen appliance is simple in structure, and the aim of condensation and heat exchange is fulfilled by mixing the water mist sprayed out of the sprayer with the high-temperature steam, so that the water vapor content of the high-temperature steam is effectively reduced, and further, no condensed water is formed at the periphery of the exhaust port.

Drawings

Fig. 1 is a schematic structural diagram of an exhaust system of a kitchen appliance in an embodiment of the utility model.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the utility model or equivalent substitutions of parts of technical features without departing from the spirit of the utility model are intended to be covered by the scope of the claims of the utility model.

The first embodiment is as follows:

as shown in fig. 1, the embodiment provides an exhaust system of kitchen appliance, including inner bag 1, still include exhaust assembly 2, storage water tank 3 and spraying assembly 4, wherein exhaust assembly 2 sets up on inner bag 1, and exhaust assembly 2 one end is linked together with inner bag 1, the other end communicates with the outside in order to discharge the high temperature steam of inner bag 1 the inside toward the outside, spraying assembly 4 sets up on exhaust assembly 2, spraying assembly 4 is linked together with storage water tank 3 in the one end of keeping away from exhaust assembly 2, spraying assembly 4 spouts in exhaust assembly 2 again after atomizing the liquid in storage water tank 3, the water smoke after the atomizing carries out the condensation heat transfer to the high temperature steam in exhaust assembly 2, gas after the condensation heat transfer is discharged outward through exhaust assembly 2.

In this embodiment, the exhaust system is preferably used in a kitchen appliance to cool and condense high-temperature steam inside the inner container 1 of the kitchen appliance, the high-temperature steam generated inside the inner container 1 is exhausted to the outside through the exhaust assembly 2, the water storage tank 3 and the spraying component 4 which are communicated are additionally arranged on the inner container 1, one end of the spraying component 4 which is far away from the water storage tank 3 is connected with the drainage component to atomize the liquid in the water storage tank 3 and then spray the liquid into the exhaust component 2, the atomized water mist carries out condensation heat exchange on high-temperature steam in the exhaust component 2, the gas after condensation heat exchange is discharged outside through the exhaust component 2, the structure is simple, the water mist sprayed out by the spraying component 4 is mixed with high-temperature steam to realize the purpose of condensation and heat exchange, thereby effectively reducing the moisture content of the high temperature steam and further preventing the formation of condensed water around the exhaust port 54.

In this embodiment, the kitchen appliance is preferably a dishwasher, a steam box, an oven, a micro-steam box, a steaming and baking all-in-one machine, a microwave oven or a micro-steam oven, etc., but not limited to the above kitchen appliances, and other more suitable kitchen appliances may be selected according to actual requirements. The kitchen appliance of the present embodiment is described by way of example of a dishwasher, and the rest of the kitchen appliances will not be described in detail. While the kitchen appliance is described in this embodiment by way of example as a dishwasher, the exhaust system is preferably applied to all dishwashers requiring outward exhaust, including but not limited to floor dishwashers, table dishwashers, drawer dishwashers or sink dishwashers, among other types of dishwashers.

Further, spraying assembly 4 includes atomizer 41 and actuating mechanism 42, wherein the nozzle setting of atomizer 41 is in exhaust assembly 2, the water sucking mouth and the storage water tank 3 intercommunication of atomizer 41, the air inlet of atomizer 41 is linked together with the outside of inner bag 1, actuating mechanism 42's output is connected with atomizer 41 and is atomized with the liquid that drive atomizer 41 inhaled in storage water tank 3, spout in exhaust assembly 2 atomizing water smoke simultaneously, its simple structure can make high temperature steam and atomizing water smoke fuse fast, and carry out the heat transfer fully.

Preferably, the cross-sectional area of the water suction port of the sprayer 41 is smaller than that of the air inlet of the sprayer 41, and the design is reasonable and ingenious, so that the liquid in the water storage tank 3 can be atomized.

In this embodiment, the sprayer 41 preferably generates water mist based on bernoulli effect, that is, a bernoulli tube is disposed inside the sprayer, the bernoulli tube has a nozzle, an air inlet and a water suction port, the nozzle is installed in the exhaust air duct 5 and is located at the top position in the exhaust air duct 5, the nozzle and the air vent 53 are correspondingly disposed to facilitate heat exchange and condensation of high-temperature steam entering the exhaust air duct 5 through the air vent 53, the water suction port is communicated with the water storage tank 3 through a water pipe, the air inlet is communicated with the outside of the liner 1, more preferably, the air inlet is communicated with the outside of the dishwasher body, so that the sprayer sucks fresh air outside the dishwasher body, when the sprayer 41 works, the driving mechanism 42 drives the sprayer 41 to suck air, and during the process that the air outside the dishwasher flows through the bernoulli tube, at the position where the bernoulli tube is connected with the water pipe, because air velocity is fast and pressure intensity is little thereby produce suction, consequently inhale the water in the storage water tank 3 among the bernoulli pipe constantly, and then change into the droplet with the water that inhales, then mix in behind the air with in order to produce water smoke, spray out in exhaust duct 5 from the nozzle with the water smoke form at last, so can make water smoke and high temperature steam carry out the heat transfer condensation in exhaust duct 5.

Further, exhaust assembly 2 includes exhaust wind channel 5 and exhaust fan 6, and wherein exhaust wind channel 5 sets up on the lateral wall of

inner bag

1, and 5 one end in exhaust wind channel is linked together with inner bag 1, and the other end passes through exhaust fan 6 and outside intercommunication to spraying assembly 4 sets up in exhaust wind channel 5, and its simple structure, reasonable in design can be effectively with the high temperature steam after the condensation toward outer the discharge through exhaust wind channel 5.

Preferably, exhaust assembly 2 still includes a plurality of protruding muscle 7, and a plurality of protruding muscle 7 crisscross setting each other is in order to carry out the condensation to the high temperature steam that gets into in exhaust wind channel 5, and its simple structure can do benefit to and carry out the condensation to the high temperature steam in the exhaust wind channel 5.

Specifically, the stiff end of protruding muscle 7 and the interior wall connection of exhaust wind channel 5, its free end is extended and set up along the direction slope of gas flow toward the inside direction in exhaust wind channel 5 by exhaust wind channel 5 inner wall, and its simple structure, reasonable in design can do benefit to the comdenstion water that the condensation of exhaust wind channel 5 the inside formed and flow outward.

Preferably, the exhaust air duct 5 has a first side wall 51 and a second side wall 52 which are oppositely arranged, the first side wall 51 and the second side wall 52 are respectively provided with the convex rib 7, and the height of the convex rib 7 on the first side wall 51 is higher than that of the convex rib 7 on the second side wall 52, so that the design is reasonable, the flowing stroke of the gas can be effectively prolonged, and the condensation effect of the high-temperature steam is further improved.

Further, still include vent 53, exhaust wind channel 5 is linked together through vent 53 and inner bag 1 and spraying component 4 sets up with vent 53 is corresponding, exhaust wind channel 5 is provided with the gas vent 54 with outside intercommunication and the return water mouth 55 with inner bag 1 intercommunication respectively in the one end of keeping away from vent 53, and its simple structure can make the comdenstion water that the condensation formed flow inside inner bag 1, and the gas after the condensation heat transfer is discharged outward.

In this embodiment, an exhaust air duct 5 is disposed on an outer side wall of the inner container 1, and the exhaust air duct 5 is disposed along a vertical direction, that is, a mounting cavity is defined in the exhaust air duct 5, a vent 53 is disposed at a top position of the exhaust air duct 5 so as to enable the exhaust air duct 5 to communicate with the inner container 1 through the vent 53, at least one spraying component 4 is correspondingly disposed in the exhaust air duct 5, and the spraying component 4 is preferably disposed at the vent 53, an exhaust port 54 communicating with the outside and a return port 55 communicating with the inner container 1 are respectively disposed at one end of the exhaust air duct 5 away from the vent 53, that is, an air outlet duct and a return duct are respectively disposed at one end of the exhaust air duct 5 away from the vent 53, the exhaust air duct 5 communicates with the exhaust port 54 through the air outlet duct and the exhaust air duct 5 communicates with the return port 55 through the return duct, so as to discharge condensed heat-exchanged gas through the exhaust port 54, meanwhile, condensed water formed by condensation flows into the inner container 1 through the water return port 55, two opposite side walls are arranged in an installation cavity of the exhaust air duct 5, the convex ribs 7 are respectively arranged on any one of the opposite side walls in a staggered manner, the opposite side walls are respectively a first side wall 51 and a second side wall 52 which are arranged oppositely, the convex ribs 7 are respectively arranged on the first side wall 51 and the second side wall 52, so that high-temperature steam is further condensed, the fixed end of the convex rib 7 on the first side wall 51 is connected with the inner wall of the first side wall 51, the free end of the convex rib 7 on the second side wall 52 is downwards inclined from the first side wall 51 to the direction of the second side wall 52, the fixed end of the convex rib 7 on the second side wall 52 is connected with the inner wall of the second side wall 52, the free end of the convex rib 7 on the first side wall 51 is downwards inclined from the direction of the second side wall 52, and the height of the convex rib 7 on the first side wall 51 is higher than that of the convex rib 7 on the second side wall 52, so that the two adjacent ribs 7 on the first side wall 51 define troughs together, the ribs 7 on the second side wall 52 extend into the corresponding troughs, and the free ends of the ribs 7 on the second side wall 52 are arranged at intervals with the first side wall 51, thereby effectively prolonging the flowing stroke of gas, facilitating the condensed water formed by high-temperature steam condensation and the condensed water formed by water mist condensation sprayed from the spraying component 4 to flow onto the return water channel through the ribs 7 at the lowest position on the first side wall 51, so that the condensed water flows back into the inner container 1 after sequentially passing through the return water channel and the return water port 55, further avoiding excessive condensed water from flowing to the exhaust fan 6 position of the exhaust air channel 5, meanwhile, gas after condensation heat exchange continuously flows towards the lower air outlet channel, thereby enabling the gas after condensation heat exchange to sequentially pass through the air outlet channel and the air outlet 54 and then be discharged outwards, further avoiding that the steam can not form condensed water at the periphery of the air outlet 54, in addition, the direction of the gas flow inside the exhaust duct 5 in the present embodiment is preferably a top-down direction.

Specifically, the top of the water storage tank 3 is provided with a water inlet 31, the side wall of the water storage tank 3 is provided with a water outlet 32, the water outlet 32 is communicated with the spraying assembly 4, and the water storage tank is reasonable in design and can be favorable for the water storage tank 3 to provide water for the spraying assembly 4.

Particularly, the bottom of the water storage tank 3 is communicated with a drain pipe 33, one end of the drain pipe 33 far away from the water storage tank 3 is communicated with the inner container 1, and the drain pipe 33 is provided with a drain valve 34.

In this embodiment, a water inlet 31 is disposed at the top of the water storage tank 3, a user can add water into the water storage tank 3 through the water inlet 31, or the water storage tank 3 can be communicated with external water supply through the water inlet 31 so that the external water supply can directly supply water into the water storage tank 3, a water outlet 32 is disposed on the sidewall of the water storage tank 3 and is communicated with a water suction port of the atomizer 41, atomized water mist is sprayed into the exhaust duct 5 through the atomizer 41 to exchange heat with high-temperature steam for condensation, the steam continues to flow in the direction of the exhaust port 54, the steam is condensed again through the action of the ribs 7 at two sides in the exhaust duct 5, finally, the gas after heat exchange by condensation is discharged outside through the exhaust port 54, and condensed water generated by condensation flows into the inner container 1 through the water return port 55, so that the water storage tank 3 is mounted on the outer sidewall of the inner container 1 and is spaced from the inner container 1, thereby make the temperature in the storage water tank 3 be less than the temperature in the inner bag 1, spout water smoke in toward exhaust duct 5 through the water storage that adopts in the storage water tank 3, thereby can promote the exhaust better and the quick and abundant condensation that carries on of water smoke, in addition, at the final stage of dishwasher work, break-make work through control drain valve 34 is with flowing towards inner bag 1 the inside through drain pipe 33 with 3 remaining waters of storage water tank, thereby effectively avoid the water storage to lead to rotten or breed other health problems because of placing for a long time.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. The exhaust system of the kitchen appliance comprises an inner container (1) and is characterized by further comprising an exhaust assembly (2), a water storage tank (3) and a spraying assembly (4), wherein the exhaust assembly (2) is arranged on the inner container (1), one end of the exhaust assembly (2) is communicated with the inner container (1), the other end of the exhaust assembly (2) is communicated with the outside to discharge high-temperature steam in the inner container (1) outwards, the spraying assembly (4) is arranged on the exhaust assembly (2), one end, far away from the exhaust assembly (2), of the spraying assembly (4) is communicated with the water storage tank (3), liquid in the water storage tank (3) is atomized and then sprayed out in the exhaust assembly (2), and atomized water mist carries out condensation heat exchange on the high-temperature steam in the exhaust assembly (2), and the gas after condensation and heat exchange is discharged outwards through the exhaust assembly (2).

2. The exhaust system of a kitchen appliance according to claim 1, wherein said spray assembly (4) comprises a sprayer (41) and a driving mechanism (42), wherein a nozzle of said sprayer (41) is disposed in said exhaust assembly (2), a water suction port of said sprayer (41) is communicated with said water storage tank (3), an air inlet of said sprayer (41) is communicated with the outside of said inner container (1), and an output end of said driving mechanism (42) is connected with said sprayer (41) to drive said sprayer (41) to suck the liquid in said water storage tank (3) for atomization, and spray the atomized water mist into said exhaust assembly (2).

3. Exhaust system of a kitchen appliance according to claim 2, characterized in that the cross-sectional area of the water intake of the sprayer (41) is smaller than the cross-sectional area of the air intake of the sprayer (41).

4. An exhaust system of a kitchen appliance according to claim 1, characterized in that said exhaust assembly (2) comprises an exhaust air duct (5) and an exhaust fan (6), wherein said exhaust air duct (5) is disposed on the outer side wall of said inner container (1), one end of said exhaust air duct (5) is communicated with said inner container (1), the other end is communicated with the outside through said exhaust fan (6), and said spray assembly (4) is disposed in said exhaust air duct (5).

5. The exhaust system of the kitchen appliance according to claim 4, wherein the exhaust assembly (2) further comprises a plurality of ribs (7), and the plurality of ribs (7) are arranged in the exhaust duct (5) in a staggered manner to condense the high-temperature steam entering the exhaust duct (5).

6. The exhaust system of kitchen appliance according to claim 5, wherein the fixed end of the rib (7) is connected to the inner wall of the exhaust duct (5), and the free end extends from the inner wall of the exhaust duct (5) to the inside of the exhaust duct (5) and is inclined along the gas flowing direction.

7. The exhaust system of a kitchen appliance according to claim 6, wherein said exhaust duct (5) has a first side wall (51) and a second side wall (52) opposite to each other, said ribs (7) are respectively disposed on said first side wall (51) and said second side wall (52), and the height of said ribs (7) on said first side wall (51) is higher than the height of said ribs (7) on said second side wall (52).

8. The exhaust system of the kitchen appliance according to claim 4, further comprising a vent (53), wherein the exhaust duct (5) is communicated with the inner container (1) through the vent (53) and the spraying component (4) is arranged corresponding to the vent (53), and an exhaust port (54) communicated with the outside and a water return port (55) communicated with the inner container (1) are respectively arranged at one end of the exhaust duct (5) far away from the vent (53).

9. The exhaust system of a kitchen appliance according to any one of claims 1 to 8, characterized in that a water inlet (31) is opened at the top position of the water storage tank (3), a water outlet (32) is opened on the side wall of the water storage tank (3) and the water outlet (32) is communicated with the spray assembly (4).

10. The venting system of a kitchen appliance according to claim 9, characterized in that a drain pipe (33) is connected to the bottom of the water storage tank (3), the drain pipe (33) is connected to the inner container (1) at an end far from the water storage tank (3), and a drain valve (34) is disposed on the drain pipe (33).