CN111374622B

CN111374622B - Dish washing machine

Info

Publication number: CN111374622B
Application number: CN202010304100.9A
Authority: CN
Inventors: 鄢贵祥; 张宇; 陆金杏; 丘啸雄; 黄进杰; 李姗姗; 郭名威; 施国志
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-10-08
Anticipated expiration: 2040-04-16
Also published as: CN111374622A

Abstract

The present invention provides a dishwasher, comprising: the top of the shell is provided with an air hole, and a washing cavity and a water tank are arranged in the shell; one end of the air outlet pipe is communicated with the washing cavity, and the other end of the air outlet pipe is communicated with the air vent; at least part of the air outlet pipe is arranged in the water tank, and the outer wall of the air outlet pipe is provided with a radiating fin which is positioned in the water tank. The dishwasher solves the problem that the energy of the dishwasher in the prior art can not be recovered.

Description

Dish washing machine

Technical Field

The invention relates to the field of dish washing machines, in particular to a dish washing machine.

Background

In order to achieve a better washing effect, the inlet water of the dish washing machine needs to be heated to 70 ℃, and the power consumed by the heating of the inlet water accounts for more than 75 percent of the energy consumption of a dish washing machine system.

However, the conventional dish washing machine on the market does not have an energy recovery device and a steam recovery device, so that the energy consumption is large; and, because steam temperature is higher, has certain potential safety hazard to the user, scald easily, influence indoor environment simultaneously, increased indoor humidity, breed the mould easily.

Disclosure of Invention

The invention mainly aims to provide a dishwasher to solve the problem that the energy of the dishwasher in the prior art cannot be recovered.

In order to achieve the above object, the present invention provides a dishwasher, comprising: the top of the shell is provided with an air hole, and a washing cavity and a water tank are arranged in the shell; one end of the air outlet pipe is communicated with the washing cavity, and the other end of the air outlet pipe is communicated with the air vent; at least part of the air outlet pipe is arranged in the water tank, and the outer wall of the air outlet pipe is provided with a radiating fin which is positioned in the water tank.

Further, the section of the air outlet pipe is gradually reduced along the direction far away from the washing cavity.

Furthermore, a plurality of radiating fins are arranged, and all the radiating fins are positioned in the water tank; the plurality of radiating fins are arranged at intervals along the extending direction of the air outlet pipe.

Furthermore, the radiating fin is annular, and the radiating fin encircles the tuber pipe and sets up.

Furthermore, an air outlet is also arranged on the shell and comprises a first hole section and a second hole section, one end of the second hole section is connected with the first hole section, and the other end of the second hole section is connected and communicated with the air outlet pipe; one end of the first hole section, which is far away from the second hole section, is communicated with the air vent; wherein, along the direction of keeping away from first hole section, the cross-section of second hole section diminishes gradually.

Furthermore, an air outlet grid is arranged at the communication position of the air outlet pipe and the second hole section.

Further, the dishwasher further comprises: the heat exchange pipe is arranged in the water tank, and the inlet of the heat exchange pipe is communicated with a water cup of the dish-washing machine so that washing water in the water cup enters the heat exchange pipe; the outlet of the heat exchange pipe is used for discharging the washing water.

Further, the dishwasher further comprises: one end of the first connecting pipe is connected with the water cup, and the other end of the first connecting pipe is connected with an inlet of the heat exchange pipe; and the water pump is arranged on the first connecting pipe.

Further, the heat exchange tube comprises a plurality of U-shaped tubes, and two adjacent U-shaped tubes are connected through a second connecting tube.

Furthermore, the water tank comprises a first water tank part and a second water tank part, the first water tank part is communicated with the second water tank part, and the first water tank part and the second water tank part are arranged at a preset included angle; the first water tank part is positioned above the washing cavity, and the first water tank wall of the first water tank part is contacted with the top wall of the washing cavity; the second water tank part is positioned at one side of the washing cavity, and the second water tank wall of the second water tank part is contacted with the side wall of the washing cavity; the air outlet pipe penetrates through the first water tank component and then is communicated with the air holes, and the heat exchange pipe is arranged in the second water tank component.

The dish washing machine comprises a shell, wherein the top of the shell is provided with air holes, and a washing cavity and a water tank are arranged in the shell; the dish washing machine is also provided with an air outlet pipe, one end of the air outlet pipe is communicated with the washing cavity, and the other end of the air outlet pipe is communicated with the air vent; this dish washer is through making the play tuber pipe wear to establish the water tank, and makes the fin that sets up on the outer wall of play tuber pipe be located the water tank, can be when the steam upflow of washing intracavity goes out the tuber pipe for steam carries out heat transfer through the washing water that goes out tuber pipe and fin and water tank in, and then makes the intraductal steam condensation of air-out become the drop of water and flow back to the washing intracavity, and heats the washing water in the water tank. The dishwasher realizes energy recovery and has low energy consumption; and the discharged steam can not scald users, thereby improving the safety of the use of the electric appliance, reducing the indoor humidity and preventing mildew.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic view of an embodiment of a dishwasher according to the present invention;

FIG. 2 shows a close-up view of an embodiment of a dishwasher according to the invention;

FIG. 3 shows a schematic view of a heat exchange pipe of a dishwasher according to the present invention;

fig. 4 shows a schematic view of an air outlet grill of a dishwasher according to the present invention.

Wherein the figures include the following reference numerals:

10. a housing; 11. air holes are formed; 12. a washing chamber; 13. a water tank; 131. a first tank part; 132. a second tank part; 133. a first tank wall; 134. a second tank wall; 14. an air outlet; 141. a first bore section; 142. a second bore section; 20. an air outlet pipe; 30. a heat sink; 40. an air outlet grid; 41. a baffle plate; 42. a vent hole; 50. a heat exchange pipe; 51. an inlet; 52. an outlet; 53. a U-shaped pipe; 54. a second connecting pipe; 60. a first connecting pipe; 70. a water pump; 80. a water cup.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a dishwasher, referring to fig. 1 to 4, comprising: the washing machine comprises a shell 10, wherein the top of the shell 10 is provided with an air vent 11, and a washing cavity 12 and a water tank 13 are arranged in the shell 10; an air outlet pipe 20, one end of the air outlet pipe 20 is communicated with the washing cavity 12, and the other end of the air outlet pipe 20 is communicated with the air vent 11; at least part of the air outlet pipe 20 is arranged in the water tank 13, the outer wall of the air outlet pipe 20 is provided with a radiating fin 30, and the radiating fin 30 is positioned in the water tank 13.

The dishwasher of the invention comprises a shell 10, wherein the top of the shell 10 is provided with an air hole 11, and a washing cavity 12 and a water tank 13 are arranged in the shell 10; the dishwasher is also provided with an air outlet pipe 20, one end of the air outlet pipe 20 is communicated with the washing cavity 12, and the other end of the air outlet pipe 20 is communicated with the air vent 11; this dish washer is through making the tuber pipe 20 wear to establish water tank 13, and makes the fin 30 that sets up on the outer wall of tuber pipe 20 be located water tank 13, can be when the steam upward flow in washing chamber 12 goes out tuber pipe 20 for steam carries out heat transfer through the washing water in tuber pipe 20 and fin 30 and the water tank 13, and then makes the steam condensation in the tuber pipe 20 become the drop of water backward flow to washing chamber 12 in, and heats the washing water in the water tank 13. The dishwasher realizes energy recovery and has low energy consumption; and the discharged steam can not scald users, thereby improving the safety of the use of the electric appliance, reducing the indoor humidity and preventing mildew.

In this embodiment, the cross-section of the outlet duct 20 is gradually reduced in a direction away from the washing chamber 12. The arrangement can lead the condensed water formed after the steam condensation to gather and flow down along the inner wall of the air outlet pipe.

Specifically, the outlet duct 20 is tapered, and the small diameter section is located above the large diameter end.

Preferably, the number of the heat radiating fins 30 is plural, and each of the heat radiating fins 30 is located in the water tank 13; the plurality of fins 30 are provided at intervals along the extending direction of the outlet duct 20. Such an arrangement further enhances the heat exchange effect of the steam with the washing water in the water tank 13.

Preferably, the heat sink 30 has an annular shape, and the heat sink 30 is disposed around the outlet duct 20. Such an arrangement further enhances the heat exchange effect of the steam with the washing water in the water tank 13.

In this embodiment, the housing 10 is further provided with an air outlet 14, the air outlet 14 includes a first hole section 141 and a second hole section 142, one end of the second hole section 142 is connected to the first hole section 141, and the other end of the second hole section 142 is connected to and communicated with the air outlet pipe 20; one end of the first hole section 141 far away from the second hole section 142 is communicated with the air hole 11; wherein the second bore section 142 is tapered in cross-section in a direction away from the first bore section 141. This arrangement further condenses the upwardly flowing steam, resulting in better recovery of the steam and in turn lowers the temperature of the steam discharged into the room.

Preferably, the number of the ventilation holes 11 is multiple, the plurality of ventilation holes 11 are arranged on the top wall of the casing 10 at intervals, and the air outlet 14 is communicated with the plurality of ventilation holes 11.

In the present embodiment, the air outlet grid 40 is disposed at the connection between the air outlet duct 20 and the second perforated section 142. The arrangement enables the steam passing through the air outlet grid 40 to be changed from larger particles to smaller particles, and further enables the condensation effect of the steam entering the air outlet 14 to be better; at the same time, the particles of the steam exiting the dishwasher are made smaller.

The air outlet grid 40 comprises a baffle 41, a plurality of vent holes 42 are formed in the baffle 41, and the vent holes 42 are arranged on the baffle 41 at intervals; the baffle 41 seals the connection between the outlet duct 20 and the second perforated section 142, so that the air passing through the outlet grill 40 enters the second perforated section 142 through the plurality of vent holes 42. This arrangement causes the grill 40 to break up the collected steam, allowing more steam to condense into condensate within the outlet opening 14.

Specifically, the baffle 41 is a plate-like structure; preferably, the baffle 41 is a circular plate.

In this embodiment, the dishwasher further includes a heat exchange pipe 50, the heat exchange pipe 50 is disposed in the water tank 13, and an inlet 51 of the heat exchange pipe 50 is communicated with a water cup 80 of the dishwasher, so that the washing water in the water cup 80 enters the heat exchange pipe 50; an outlet 52 of the heat exchange pipe 50 is for discharging the washing water. In this way, as the heat exchange pipe is contacted with the washing water in the water tank, the heat in the hot waste water in the heat exchange pipe is transferred to the washing water in the water tank through the heat exchange pipe, thereby playing the role of energy recovery and utilization.

In this embodiment, the dishwasher further includes: a first connection pipe 60, one end of the first connection pipe 60 being connected to the water cup 80, and the other end of the first connection pipe 60 being connected to the inlet 51 of the heat exchange pipe 50; and a water pump 70 provided on the first connection pipe 60.

In the present embodiment, the heat exchange pipe 50 includes a plurality of U-shaped pipes 53, and two adjacent U-shaped pipes 53 are connected by a second connection pipe 54. Such an arrangement further enhances the heat exchange effect between the fluid in the heat exchange tube and the washing water in the water tank.

In this embodiment, the water tank 13 includes a first tank part 131 and a second tank part 132, the first tank part 131 and the second tank part 132 are communicated, and the first tank part 131 and the second tank part 132 are arranged at a predetermined angle; the first tank part 131 is positioned above the washing chamber 12, and the first tank wall 133 of the first tank part 131 is in contact with the top wall of the washing chamber 12; the second tank part 132 is located at one side of the washing chamber 12, and the second tank wall 134 of the second tank part 132 is in contact with a sidewall of the washing chamber 12; the air outlet pipe 20 is disposed through the first water tank component 131 and then communicated with the air vent 11, and the heat exchange pipe 50 is disposed in the second water tank component 132.

Preferably, the first tank wall 133 is attached to the top wall of the washing chamber 12, and the second tank wall 134 is attached to the side wall of the washing chamber 12. The heat exchange effect is better.

When the dishwasher is specifically implemented, the dishwasher also comprises a door body, and the door body is connected with the shell and can be arranged in an opening and closing manner; wherein the second sump member 132 is disposed opposite to the door at both sides of the washing chamber 12. The arrangement makes better use of the inner space of the dishwasher and reduces the volume of the dishwasher.

During concrete implementation, in the washing process, the higher steam of temperature up flows in the washing chamber, when touchhing out the tuber pipe, and most steam gives the fin through heat-conduction with heat transfer, and the condensation becomes the drop of water and attaches in air outlet department, because the structure of width under the narrow on the tuber pipe, the drop of water after the condensation gathers together and flows down along the tuber pipe edge, gets into the washing chamber, plays the effect of retrieving steam. And a small part of steam penetrates through the air outlet grid and enters the air outlet hole, and the steam is condensed into water drops through heat exchange of the air outlet hole, and then converged along the downhill surface of the second hole section to enter the washing cavity. Due to the structure of the radiating fins, the washing water in the water tank is contacted in a large area, and heat is transferred to the washing water in the water tank through the radiating fins, so that the purposes of recovering energy and preheating the washing water are achieved.

When the washing machine is specifically implemented, after a washing stage is finished, washing water with higher temperature in the washing cavity passes through the water cup, is discharged by the drainage pump and enters the heat exchange tube in the water tank, and because the heat exchange tube is in large-area contact with the washing water in the water tank, heat in hot waste water in the heat exchange tube is transferred to the washing water in the water tank through the heat exchange tube, so that the effect of energy recycling is achieved.

The dishwasher of the present application has the following advantages: energy recovery, electricity and energy saving and low energy consumption; the safety of the use of the electric appliance is improved, and the discharged steam can not scald users; the steam recovery not only recovers the water vapor, but also reduces the indoor humidity and prevents the mildew.

Compared with the common dish washing machine in the market, the dish washing machine can recover the steam in the exhausted hot air, saves water resources and reduces indoor humidity; meanwhile, the energy in the hot air can be recovered and is used for heating the washing water through heat transfer; the temperature of the exhaust gas after energy recovery is reduced, so that a user is not scalded, and the use safety and experience are improved; meanwhile, after washing, energy recovery can be carried out from the discharged hot water for heating the washing water in the water tank, so that the heating energy consumption and the heating time of the washing inlet water are reduced.

The dishwasher can recover water vapor in the discharged hot air, recover and recycle water resources, save water and reduce indoor humidity; while the water vapor is recovered, the heat is transferred to the washing inlet water in the water tank, and the washing inlet water is preheated, so that the heating energy consumption of the washing inlet water at the back is reduced, the heating time is also reduced, the temperature of the discharged hot air is also reduced, and the use safety of a user is improved; after a washing stage is finished, the energy of the hot water in the drainage process is transferred to the washing water in the water tank through the U-shaped pipe, so that the energy is recycled, and the energy consumption is reduced.

The present application also provides a control method of a dishwasher, the control method of the dishwasher including: starting to operate; water in the water tank enters the washing cavity; electrically heating the washing water in the washing cavity; the first stage washing begins; the first washing stage is finished; water is fed into the water tank; the washing water in the washing cavity and the water in the steam preheating water tank passing through the air outlet pipe; the washing cavity discharges washing water, and the washing water in the heat exchange pipe preheats water in the water tank; repeatedly executing the following steps that water in the water tank enters the washing cavity; electrically heating the washing water in the washing cavity; the first stage washing begins; the first washing stage is finished; water is fed into the water tank; the washing water in the washing cavity and the water in the steam preheating water tank passing through the air outlet pipe; the washing cavity discharges washing water, and the washing water in the heat exchange pipe preheats water in the water tank; and finishing the work.

Specifically, in the step "the washing chamber drains the washing water, the washing water in the heat exchange pipe preheats the water in the water tank", the washing water drained from the washing chamber is the high-temperature washing water after the first-stage washing is completed.

When the dishwasher is specifically implemented, the following circulation that water in the water tank enters the washing cavity is not repeatedly executed; electrically heating the washing water in the washing cavity; the first stage washing begins; the first washing stage is finished; water is fed into the water tank; the washing water in the washing cavity and the water in the steam preheating water tank passing through the air outlet pipe; the washing chamber discharges the washing water, the washing water in the heat exchange pipe preheats the water in the water tank, and the step of finishing the work is executed after the dishwasher executes the cycle. In particular, the dishwasher may also repeat the above cycle a plurality of times.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dishwasher, comprising:

the washing machine comprises a shell (10), wherein the top of the shell (10) is provided with an air vent (11), and a washing cavity (12) and a water tank (13) are arranged in the shell (10);

one end of the air outlet pipe (20) is communicated with the washing cavity (12), and the other end of the air outlet pipe (20) is communicated with the air vent (11); at least part of the air outlet pipe (20) is arranged in the water tank (13), the outer wall of the air outlet pipe (20) is provided with a radiating fin (30), and the radiating fin (30) is positioned in the water tank (13);

the heat exchange pipe (50), the heat exchange pipe (50) is arranged in the water tank (13), and an inlet (51) of the heat exchange pipe (50) is communicated with a water cup (80) of the dishwasher, so that washing water in the water cup (80) enters the heat exchange pipe (50); an outlet (52) of the heat exchange pipe (50) for discharging the washing water;

the water tank (13) comprises a first water tank component (131) and a second water tank component (132), the first water tank component (131) is communicated with the second water tank component (132), and the first water tank component (131) and the second water tank component (132) are arranged at a preset included angle; the first tank part (131) is positioned above the washing chamber (12), and a first tank wall (133) of the first tank part (131) is in contact with a top wall of the washing chamber (12); the second tank part (132) is located at one side of the washing chamber (12), and a second tank wall (134) of the second tank part (132) is in contact with a side wall of the washing chamber (12);

wherein, go out tuber pipe (20) wear to establish behind first water tank part (131) with bleeder vent (11) are linked together, heat exchange tube (50) set up in second water tank part (132).

2. A dishwasher according to claim 1, characterized in that the outlet duct (20) tapers in cross-section in a direction away from the washing chamber (12).

3. The dishwasher of claim 1, characterized in that said heat sink (30) is plural, each of said heat sinks (30) being located inside said water tank (13); the plurality of radiating fins (30) are arranged at intervals along the extending direction of the air outlet pipe (20).

4. The dishwasher of claim 1, characterized in that the cooling fin (30) is annular, the cooling fin (30) being arranged around the outlet duct (20).

5. The dishwasher of claim 1, characterized in that the housing (10) is further provided with an air outlet (14), the air outlet (14) comprises a first hole section (141) and a second hole section (142), one end of the second hole section (142) is connected with the first hole section (141), and the other end of the second hole section (142) is connected with and communicated with the air outlet pipe (20); one end of the first hole section (141) far away from the second hole section (142) is communicated with the air vent (11);

wherein the second bore section (142) tapers in cross-section in a direction away from the first bore section (141).

6. The dishwasher of claim 5, characterized in that the outlet duct (20) is provided with an outlet grill (40) in communication with the second perforated section (142).

7. The dishwasher of claim 1, further comprising:

a first connecting pipe (60), wherein one end of the first connecting pipe (60) is connected with the water cup (80), and the other end of the first connecting pipe (60) is connected with an inlet (51) of the heat exchange pipe (50);

a water pump (70) disposed on the first connection pipe (60).

8. The dishwasher of claim 1, wherein the heat exchange pipe (50) comprises a plurality of U-shaped pipes (53), and adjacent two U-shaped pipes (53) are connected by a second connection pipe (54).