CN113017525B

CN113017525B - Dish washing machine

Info

Publication number: CN113017525B
Application number: CN202110433983.8A
Authority: CN
Inventors: 林�智; 鄢瀚; 覃小倩; 陈茜
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-02-11
Anticipated expiration: 2041-04-22
Also published as: CN113017525A

Abstract

The invention discloses a dish washing machine, which comprises an inner container, wherein a spraying arm for spraying is arranged in the inner container, the spraying arm is connected with a main pipeline, the other end of the main pipeline is connected with a washing assembly, a flow guide assembly is communicated with the main pipeline, the flow guide assembly is connected with a drying assembly, when in drying, the drying assembly is opened, and air is blown to the inner container through the main pipeline and the spraying arm to dry tableware. According to the dish washing machine, the drying component is connected to the main pipeline, the spray arm serves as a water inlet and an air inlet, the integration of a washing system and a drying system of the dish washing machine is achieved, when the drying component is started, the spray arm rotates to supply air, the air is blown to all areas of the inner container, and the drying efficiency and the drying uniformity are improved.

Description

Dish washing machine

Technical Field

The invention relates to the technical field of dish washing machines, in particular to a dish washing machine integrating washing and drying functions.

Background

The current household dish washing machine comprises a washing process and a drying process, wherein the drying technology mainly comprises residual heat drying, fan drying and adsorption drying. And (4) residual temperature drying, namely, in the last rinsing stage in the washing process, continuously rinsing the tableware through high water temperature to raise the temperature of the tableware, stopping washing after the highest rinsing temperature is reached, and evaporating the surface water of the tableware through the temperature of the tableware. This kind of stoving mode is energy-conserving high-efficient comparatively, but the steam after the evaporation partly can be discharged through the respirator, and partly can condense on the machine inner wall for the inner wall can remain the drop of water. The water drops are left uncleaned for a long time and can breed bacteria, and the tableware is picked relatively, so that the drying effect on stainless steel tableware is poor. The adsorption drying is to absorb moisture and release heat by using substances such as natural mineral rock crystal buds and the like, and the technology has good drying effect but higher cost. The fan drying technology utilizes the air outlet of a fan, the air is heated through a heating pipe, hot air is introduced into the inner container, and the moisture on the bowls and dishes is evaporated to achieve the drying effect.

Traditional dish washer fan is dried and is set up air intake and air outlet on the lateral wall of inner bag, however, because the rigidity of air intake and air outlet leads to the inner bag direction of blowing fixed, causes hot-blast stoving tableware inhomogeneous, and the tableware that is close to air intake department receives better hot drying, and keeps away from the tableware of air intake because energy dissipation does not reach better stoving effect, and can increase the complete machine energy consumption.

Disclosure of Invention

The technical problems of poor drying effect and poor drying uniformity of the existing dish-washing machine in the background art are solved. The invention provides a dish washing machine, wherein a flow guide device is arranged on a main pipeline and is respectively connected with a washing component and a drying component through branch pipelines, the washing component is started to spray water to an inner container in the washing process, and the drying component is started to blow hot air to the inner container in the drying process.

In order to achieve the purpose, the specific technical scheme of the dishwasher is as follows:

the utility model provides a dish washer, includes the inner bag, is equipped with the spray arm that is used for spraying in the inner bag, and the spray arm is connected with the trunk line, and the trunk line intercommunication has the water conservancy diversion subassembly, and the both ends of water conservancy diversion subassembly are connected with washing subassembly and drying assembly respectively, and during the stoving, open drying assembly, blow to the inner bag through trunk line, spray arm and dry to the tableware.

Further, the drying assembly comprises a drying pipeline connected with the flow guide assembly, an air guide piece is connected to the drying pipeline, and the air guide piece drives air to blow towards the inner container through the main pipeline and the spray arm.

Furthermore, a heating element is arranged on the drying pipeline in the downstream direction of the air guide element.

Furthermore, the drying pipeline is obliquely arranged, and an air inlet of the drying pipeline is arranged above the air outlet.

Further, still include the waste heat recovery subassembly of being connected with the stoving subassembly.

Further, the waste heat recovery assembly comprises a waste heat recovery pipeline, one end of the waste heat recovery pipeline is connected with a respirator, the respirator is fixed on the side wall of the inner container, and hot air collected by the waste heat recovery pipeline is input into the drying pipeline.

Furthermore, the free end of the waste heat recovery pipeline extends to the air inlet of the air guide piece, and hot air enters the air guide piece through the air inlet of the air guide piece.

Furthermore, the other end of the waste heat recovery pipeline is communicated with the drying pipeline.

Furthermore, a temperature sensor and an inductive switch are arranged on the waste heat recovery pipeline, and the temperature sensor and the inductive switch are electrically connected with the controller.

Furthermore, the washing assembly comprises a washing pipeline, a spraying pump is connected to the washing pipeline, a washing electromagnetic valve is further arranged on the washing pipeline, and the spraying pump and the washing electromagnetic valve are respectively electrically connected with the controller.

Furthermore, the flow guide assembly is an electric three-way valve or a three-way pipe.

Furthermore, the diversion assembly is connected with a drain pipe, a drain valve is arranged on the drain pipe, and the drain valve is electrically connected with the controller.

The dishwasher of the invention has the following advantages:

firstly, the drying component is connected to the main pipeline of the dish washing machine, the spray arm is used as a water inlet and an air inlet, the integration of a washing system and a drying system of the dish washing machine is realized, when the drying component is opened, the spray arm rotates to supply air under the action of wind power, so that the air is blown to each area of the inner container, and the drying efficiency and the drying uniformity are improved.

Secondly, the dish washing machine is provided with the waste heat recovery assembly, hot air exhausted from the air outlet of the respirator is introduced into the waste heat recovery pipeline, and tableware is dried through the main pipeline and the spray arm, so that waste heat of the inner container is recovered and reused, and the energy consumption of the whole machine is greatly reduced.

Finally, the water guide assembly of the dishwasher is communicated with the drain pipe to drain accumulated water in the water guide assembly, so that the accumulated water is prevented from entering the drying assembly to cause electrical faults, and the stability of the system is improved.

Drawings

FIG. 1 is a schematic view of the structure of a dishwasher according to the present invention;

FIG. 2 is a schematic structural diagram of the connection between the drying assembly and the waste heat recovery assembly of the present invention;

FIG. 3 is a schematic view of the structure of the flow guide assembly of the present invention;

FIG. 4 is a velocity flow diagram of a drying pattern of a stationary air inlet in the prior art;

FIG. 5 is a velocity flow diagram of a drying mode of the present invention using a spray arm as an air inlet;

FIG. 6 is a velocity cloud chart of a drying pattern of a stationary air inlet in the prior art;

fig. 7 is a velocity cloud chart of a drying mode of the present invention using a spray arm as an air inlet.

The reference numbers in the figures illustrate: 1. an inner container; 2. a bowl basket; 3. a main pipeline; 4. a spray arm; 5. a spray pump; 6. a flow guide assembly; 61. a drain pipe; 7. a drying assembly; 71. an air guide member; 72. a heating member; 8. a waste heat recovery assembly; 81. a waste heat recovery pipeline; 82. filtering with a screen; 83. a respirator; 84. a temperature sensor; 85. and a controller.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Fig. 1 schematically shows a schematic configuration of a dishwasher according to an embodiment of the present invention. As shown in fig. 1, the dishwasher provided by the embodiment of the invention comprises an inner container 1, a bowl basket 2 for containing tableware is arranged in the inner container 1, a spray arm 4 for spraying is arranged in the inner container 1, the spray arm 4 is connected with a main pipeline 3, the main pipeline 3 is communicated with a flow guide assembly 6, the flow guide assembly 6 is respectively connected with a drying assembly 7 and a washing assembly, when drying, the drying assembly 7 is opened, and air is blown to the inner container 1 through the main pipeline 3 and the spray arm 4 to dry the tableware. Be connected with drying assembly 7 and washing subassembly through water conservancy diversion subassembly 6, make spray arm 4 both regard as the water inlet that is used for the washing, be used for the air outlet of drying again, possess stoving function and washing function, the tableware in to inner bag 1 is washed or is dried according to the job requirement of difference, the integration of dishwasher cleaning system and drying system has been realized, and simultaneously, when opening drying assembly 7, under the wind-force effect, spray arm 4 is rotatory to be supplied air, make wind blow to each region of inner bag 1, promote the homogeneity of drying efficiency and stoving.

In the use, in order to wash a large amount of tableware simultaneously, two-layer bowl basket 2 about setting up usually in the inner bag 1, each bowl basket 2 below is equipped with corresponding spray arm 4 respectively, and spray arm 4 pivoted is connected at the tip of

trunk line

3, and 3 water back that lead to of trunk line, spray arm 4 rotation under the effect of rivers drive power to spray the washing water to 1 each region of inner bag through spray arm 4, make the washing water cover whole bowl basket 2 place region.

Further, the drying component 7 comprises a drying pipeline connected with the flow guide component 6, an air guide member 71 is connected on the drying pipeline, and the air guide member 71 drives air to blow towards the inner container 1 through the main pipeline 3 and the spray arm 4. The air guide member 71 comprises a fan, and an air outlet of the fan is connected with the flow guide assembly 6. Spray arm 4 makes spray arm 4 rotatory air supply as the air outlet, can be so that the air supply is better even, solves the inhomogeneous problem of traditional dish washer hot-air drying, and tableware stoving effect is better.

In the drying process, in order to improve the drying effect, the heating member 72 is disposed on the drying duct, and the heating member 72 is disposed on the drying duct in the downstream direction of the air guide member 71. The air is heated by the heating element 72, and the hot air rapidly evaporates the residual moisture on the surface of the tableware; the heating element 72 is arranged at the downstream of the air guide member 71, so that the air guide member 71 is prevented from being damaged by high-temperature air. The heating member 72 may be a heating tube.

Furthermore, in order to prevent that the dish washer washing in-process, the on-off valve on the washing water infiltration stoving pipeline enters into air guide or the piece that generates heat, causes the electrical apparatus trouble of stoving subassembly, so with the slope setting of stoving pipeline, the air intake of stoving pipeline is in the top of air outlet to in the drop of water enters into stoving pipeline when effectively preventing to wash.

After the washing mode, the temperature in the inner bag 1 is higher, in order to reduce the energy consumption of dish washer when the mode of drying, this application has still designed 1 high-temperature gas recovery, reuse's of inner bag waste heat recovery subassembly 8 to greatly reduced dish washer's energy consumption.

Specifically, waste heat recovery subassembly 8 includes waste heat recovery pipeline 81, the gas vent of respirator 83 is connected to waste heat recovery pipeline 81 one end, respirator 83 is fixed on the lateral wall of inner bag 1, waste heat recovery pipeline 81 is with the steam input drying duct of collecting in, the moisture separation back is accomplished to respirator 83, high temperature air gets into in the waste heat recovery pipeline 81, through the exhaust waste heat of rational utilization respirator 83, realize heat cyclic utilization, reduce heat loss, to the waste heat recovery of inner bag 1, and the circulation is used for drying.

In a specific embodiment, one end of the waste heat recovery pipe 81 extends to an air inlet of the air guide 71, and hot air enters through the air inlet of the air guide 71. The heat in the liner 1 is collected by the heat collecting piece, so that the air in the waste heat recovery pipeline 81 is heated to be led into the drying pipeline.

In another embodiment, as shown in fig. 2, the other end of the waste heat recycling pipe 81 is connected to the drying pipe, and the end of the waste heat recycling pipe 81 is connected between the air guiding member 71 and the heating member 72.

Set up temperature sensor 84 on waste heat recovery pipeline 81 for respond to the air-out temperature, temperature sensor 84 links to each other with controller 85, still is equipped with the inductive switch that control waste heat recovery pipeline 81 opened and close on waste heat recovery pipeline 81, when real-time temperature reached the temperature threshold value of controller 85, opens inductive switch to close the former exhaust switch of establishing of dish washer, let hot-blast entering waste heat recovery pipeline 81, play the cyclic utilization effect. The replaceable filter screen 82 is arranged in the waste heat recovery pipeline 81 at the upstream of the air guide member 71 and is used for filtering water vapor in hot air, so that a drying effect is achieved, and an electric fault of a fan is avoided. When the real-time temperature does not reach the temperature threshold set by the controller 85, the inductive switch is closed, and the original air exhaust switch is opened to normally exhaust the hot air.

In the process of moisture separation by the respirator 83, a small amount of residue may enter the heat recovery pipe 81, and therefore the filter screen 82 is provided in the heat recovery pipe 81.

Further, the washing assembly comprises a washing pipeline, a spraying pump 5 is connected to the washing pipeline, one end of the washing pipeline is connected with the flow guide assembly 6, and the other end of the washing pipeline is communicated with a water source. The water source can be communicated with the washing cavity on the bottom surface of the inner container 1. The washing pipeline is also provided with a washing electromagnetic valve, and the spraying pump 5 and the washing electromagnetic valve are respectively and electrically connected with the controller 85.

In one embodiment, the flow guiding assembly 6 is disposed below the liner 1, the flow guiding assembly 6 is an electric three-way valve, an output port of the electric three-way valve is connected to the main pipe 3, an input port of the electric three-way valve is connected to the drying assembly 7, another input port of the electric three-way valve is connected to a washing pipe of the washing assembly, and the electric three-way valve is electrically connected to the controller 85.

In order to prevent the phenomenon of water accumulation at the electric three-way valve after the washing of the dish washing machine is finished, during the drying operation, the accumulated water flows into the drying pipeline to cause the faults of the electric appliance and influence the drying effect, as shown in fig. 3, a drain pipe 61 is communicated with the bottom surface of the electric three-way valve, a drain valve is arranged on the drain pipe 61, and the drain valve is electrically connected with a controller 85. After the dishwasher finishes washing work, the controller 85 closes the switch valve of the washing pipeline, opens the drain valve and empties accumulated water in the electric three-way valve; when the drying operation is performed, the controller 85 closes the drain valve and opens the switching valve for controlling the drying duct to perform the drying operation.

As a variation of the above embodiment, the flow guiding assembly 6 is a three-way pipe, an output port of the three-way pipe is connected with the main pipeline 3, and two input ports of the three-way pipe are respectively connected with the drying assembly 7 and the spray pump 5.

In order to control the opening of the corresponding pipelines in different working modes, the pipelines connected with the input ports of the three-way pipes are respectively provided with switch valves for controlling the opening and closing of the corresponding pipelines, and the switch valves are all electrically connected with the controller 85. The bottom surface of the three-way pipe is communicated with the water discharge pipe 61, and the water discharge valve on the water discharge pipe 61 is controlled by the controller 85.

When the dish-washing machine is used, if the dish-washing machine is used for washing, the controller 85 opens the switch valve for controlling the washing pipeline, closes the switch valve for controlling the drying pipeline, opens the spray pump 5 to supply water into the main pipeline 3, and washes the tableware in the bowl basket 2 by the spray arm 4; when the dish washer is in drying operation, the controller 85 opens the switch valve for controlling the drying pipeline, closes the switch valve for controlling the washing pipeline, opens the air guide, and introduces hot air into the pipeline, and the hot air dries the tableware through the spray arm 4.

This application adopts the spray arm as the air intake, blows hot-blast to the tableware. Compare with the fixed air intake of traditional dish washer, the biggest advantage lies in that the spray arm is rotatory air supply, can make the tableware receive the wind more even, can improve the stoving effect. To verify the conclusion, the two schemes of the traditional fixed air inlet and the spray arm as the air inlet are respectively subjected to simulation analysis to obtain a speed flow chart and a speed cloud chart of different schemes, fig. 4 and 6 are respectively a speed flow chart and a speed cloud chart obtained by a drying mode of the traditional fixed air inlet, and fig. 5 and 7 are respectively a speed flow chart and a speed cloud chart obtained by a drying mode of adopting the spray arm as the air inlet.

As can be seen from the speed flow chart and the speed cloud chart, when the spray arm 4 is used as an air inlet, the tableware is more uniformly ventilated. Therefore, the problem that the drying effect of the dish washing machine is poor can be solved, the fixed air outlet mode of the traditional dish washing machine is overcome, and the integration of a washing system and a drying system is realized.

This dish washer is through connecting drying assembly 7 on trunk line 3, both as the water inlet with spray arm 4, as the air inlet again, has realized the integration of dish washer cleaning system and drying system, when opening drying assembly 7, under the wind-force effect, the rotatory air supply of spray arm 4 makes wind blow to each region of inner bag 1, promotes the homogeneity of drying efficiency and stoving. The dish washer is equipped with waste heat recovery subassembly 8, through introducing waste heat recovery pipeline 81 with respirator 83 exhaust exit exhaust hot-blast to through trunk line 3 and spray arm 4 dry the tableware, thereby retrieve, reuse the waste heat of inner bag 1, greatly reduced the energy consumption of complete machine.

Those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a dish washer, including inner bag (1), be equipped with spray arm (4) that are used for spraying in inner bag (1), spray arm (4) are connected with trunk line (3), a serial communication port, trunk line (3) intercommunication has water conservancy diversion subassembly (6), the both ends of water conservancy diversion subassembly (6) are connected with washing subassembly and drying assembly (7) respectively, water conservancy diversion subassembly (6) are electronic three way valve or three-way pipe, water conservancy diversion subassembly (6) are connected with drain pipe (61), be equipped with the drain valve on drain pipe (61), the drain valve is connected with controller (85) electricity, during the stoving, open drying assembly (7), through trunk line (3), spray arm (4) are dried tableware to inner bag (1) blowing.

2. The dishwasher of claim 1, characterized in that the drying assembly (7) comprises a drying duct connected with the flow guide assembly (6), the drying duct is connected with a wind guide member (71), and the wind guide member (71) drives wind to blow towards the inner container (1) through the main duct (3) and the spray arm (4).

3. The dishwasher of claim 2, characterized in that a heating element (72) is provided in the drying duct downstream of the air guide (71).

4. The dishwasher of claim 2, wherein the drying duct is disposed at an angle, and the air inlet of the drying duct is above the air outlet.

5. The dishwasher of claim 2, further comprising a waste heat recovery assembly (8) connected to the drying assembly (7).

6. The dishwasher of claim 5, characterized in that the waste heat recovery assembly (8) comprises a waste heat recovery duct (81), the waste heat recovery duct (81) is connected with an exhaust port of the breather (83), the breather (83) is fixed on the side wall of the inner container (1), and hot air collected by the waste heat recovery duct (81) is input into the drying duct.

7. The dishwasher of claim 6, characterized in that the free end of the waste heat recovery duct (81) extends to the air inlet of the air guide (71), through which air inlet of the air guide (71) hot air enters; or the other end of the waste heat recovery pipeline (81) is communicated with the drying pipeline.

8. The dishwasher of claim 7, characterized in that the waste heat recovery duct (81) is provided with a temperature sensor (84) and an inductive switch, and the temperature sensor (84) and the inductive switch are electrically connected with the controller (85).

9. The dishwasher of claim 1, wherein the washing assembly comprises a washing pipeline, a spraying pump (5) is connected to the washing pipeline, a washing solenoid valve is further arranged on the washing pipeline, and the spraying pump (5) and the washing solenoid valve are respectively and electrically connected with the controller (85).