CN110974109B

CN110974109B - Steam generator and dish washing machine

Info

Publication number: CN110974109B
Application number: CN201911168307.1A
Authority: CN
Inventors: 张伟; 何杰辉
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2022-01-28
Anticipated expiration: 2039-11-25
Also published as: CN110974109A

Abstract

The utility model belongs to the household appliance field especially relates to a steam generator and dish washer, and steam generator includes the casing, and interior roof is equipped with the baffle, and the baffle encloses into the holding chamber that has bottom opening with the inner wall of casing jointly, have gas in the casing, to when the casing was watered gas gets into in the holding chamber, make water in the casing can stretch into when freezing in the holding chamber and compress gas. This application is at the in-process of dish washer operation test that intakes, to watering in the casing, certain gas can be deposited in the holding chamber, when the water among the steam generator freezes the inflation, partly ice stretches into in the holding chamber, the gas in the holding chamber can cushion the stress that freezes the production, thereby avoid steam generator because water freezes and spalling when the low temperature, and then lead to the phenomenon of the unable normal work of dish washer, after the test is accomplished, water that leaves over in the casing pipeline also can not lead to steam generator spalling when freezing, can be suitable for the transportation of ambient temperature below zero.

Description

Steam generator and dish washing machine

Technical Field

The application belongs to the technical field of household appliances, and particularly relates to a steam generator and a dish washing machine.

Background

The dish washing machine is used for automatically cleaning dishes, chopsticks, dishes, knives, forks and other tableware, the steam generator is an important part of the dish washing machine, the steam generator is mostly installed at the lowest position of the dish washing machine, the dish washing machine needs to be subjected to water inlet operation test in the production process, water needs to be canned for testing, the preset time is kept below zero, whether the steam generator has expansion crack and water leakage is observed, and the steam generator is often expanded when the water in the steam generator is frozen and expanded, so that the dish washing machine cannot normally work; after the test is accomplished, because there is the unable clean of discharging of a small amount of residual water in the machine, so the residual water can be stayed in steam generator and its inside pipe, when ambient temperature drops to below zero degree in the transportation, also may burst steam generator spalling when water freezes and swells, finally leads to the unable normal work of dish washer.

Disclosure of Invention

An object of the application is to provide a dish washer, aim at solving the dish washer among the prior art because the ice top that steam generator easily becomes when intaking the test holds the spalling, and remaining water can't be discharged totally after the test, and steam generator can spall after remaining water freezes, and then leads to the technical problem of the unable normal work of dish washer.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: a dishwasher, comprising:

the shell is of a hollow structure, a baffle is arranged on the inner top wall of the shell, the baffle and the inner wall of the shell jointly enclose an accommodating cavity with an opening at the bottom, gas is arranged in the shell, and the gas enters the accommodating cavity when the shell is filled with water, so that the water in the shell can extend into the accommodating cavity and compress the gas when the water is frozen.

In one embodiment, the housing comprises a top cover and a bottom cover which are connected, the baffle is arranged on the bottom surface of the top cover, the baffle and the bottom surface of the top cover jointly enclose the accommodating cavity, and the outer wall of the baffle and each side wall of the bottom cover are respectively provided with a space.

In one embodiment, a plurality of first reinforcing ribs are convexly arranged on the bottom surface of the top cover, and two ends of each first reinforcing rib are respectively connected with the inner wall of the baffle.

In one embodiment, a part of the first reinforcing ribs are arranged in a staggered mode, and a disc structure for improving structural strength is arranged at the junction of the two first reinforcing ribs.

In one embodiment, the top cover is recessed to form a receiving groove, and the baffle is disposed in the receiving groove and has one end extending into the bottom cover.

In one embodiment, a plurality of second reinforcing ribs are convexly disposed on the groove wall of the accommodating groove, wherein two ends of a part of the second reinforcing ribs are respectively connected with the groove wall of the accommodating groove and the outer wall of the baffle plate.

In one embodiment, the receiving cavity is located at an intermediate position of the top cover.

In one embodiment, the cross section of the accommodating cavity is rectangular, and the cross section is a plane perpendicular to the thickness direction of the top cover.

In one embodiment, the baffles are vertically arranged, and each baffle comprises two opposite first baffles and two opposite second baffles, wherein the first baffles are parallel to the length direction of the top cover, and the second baffles are parallel to the width direction of the top cover.

Another object of the present application is to provide a dishwasher including the above steam generator.

The beneficial effects of the embodiment of the application are as follows: the utility model provides a dishwasher, at the in-process of dishwasher water inflow operation test, water in to the casing, can deposit certain gas in the holding chamber, when the water among the steam generator freezes the inflation, partly ice stretches into in the holding chamber, the gas in the holding chamber can cushion the stress that freezes the production, thereby avoid steam generator because water freezes and spalling when the low temperature, and then avoid the phenomenon of the unable normal work of dishwasher, dishwasher with this steam generator can be suitable for into the water test better, after the test is accomplished, can not lead to steam generator spalling when the water that leaves over in the casing in the pipeline freezes, dishwasher with this steam generator can be suitable for the transportation of ambient temperature below zero degree, dishwasher can normally work.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a steam generator according to an embodiment of the present disclosure;

FIG. 2 is a schematic perspective view of a top cover of the steam generator shown in FIG. 1;

FIG. 3 is a simplified schematic view of the steam generator of FIG. 1 during a water inlet test to fill the enclosure with water;

FIG. 4 is a simplified schematic diagram of the steam generator of FIG. 1 during water ingress testing when water freezes and expands;

FIG. 5 is a schematic perspective view of another angle of the top cover of the steam generator shown in FIG. 1;

FIG. 6 is a schematic side view of a top cover of the steam generator of FIG. 1;

fig. 7 is a schematic bottom view of a top cover of the steam generator shown in fig. 1.

Wherein, in the figures, the respective reference numerals:

10-a housing; 100-a top cover; 200-bottom cover; 101-a containing cavity; 102-a receiving groove; 103-convex hull; 110-a baffle; 111-a first baffle; 112-a second baffle; 120-steam outlet pipe; 130-convex strips; 140-a first stiffener; 141-disc structure; 150-a second stiffener; 201-lumen; 210-a water inlet pipe; 220-temperature controller.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1 to 2, the steam generator according to the embodiment of the present application includes a casing 10, the casing 10 is a hollow structure, the whole casing 10 is substantially box-shaped, a heating element (not shown) is disposed in the casing 10, a water inlet pipe 210 is led out from one side of the casing 10, a steam outlet pipe 120 is led out from the other side of the casing 10, and a height position of the water inlet pipe 210 is lower than a height position of the steam outlet pipe 120. The inner top wall of the casing 10 is provided with a baffle 110, the baffle 110 and the inner wall of the casing 10 jointly enclose a containing cavity 101, and the containing cavity 101 may be only enclosed by the baffle 110 and the inner top wall of the casing 10, or enclosed by the baffle 110, the inner top wall of the casing 10 and the side wall. The bottom of the accommodating cavity 101 is open, the top is closed, and the accommodating cavity 101 is filled with gas, which may be air. As shown in fig. 3, when the dishwasher is used for water running test, the housing 10 is filled with water, a part of or all of the gas in the housing 10 is pressed into the accommodating chamber 101 enclosed by the baffle 110, and a part of the gas is always present at the top of the accommodating chamber 101 when the water is not frozen; as shown in fig. 4, when the water in the housing 10 freezes and expands, a part of ice extends into the accommodating chamber 101, and the gas in the accommodating chamber 101 is compressed, so that the gas in the accommodating chamber 101 can play a role of buffering the strong stress generated during freezing, and thus the low-temperature water can be ensured not to burst when freezing. When testing the steam generator, the steam generator needs to satisfy that both ends are sealed after natural watering, after 48 hours below-30 degrees are cold-stored, there is not fracture and the phenomenon of leaking, use the steam generator of this embodiment can satisfy this test of intaking to leave over the water in the steam generator pipeline after the test and freeze the back and also can not take place the spalling phenomenon, can be suitable for the transportation of the dish washer that will accomplish the test of intaking, and the dish washer can normally work.

The steam generator that this embodiment provided, at the in-process of dish washer operation test that intakes, water among the casing 10, can deposit certain gas in the holding chamber 101, during the frozen inflation of water among the steam generator, partly ice stretches into in the holding chamber 101, the stress that the gas in the holding chamber 101 can be iced and produce can be cushioned, thereby avoid steam generator because the frozen and spalling of water when the low temperature, and then lead to the unable normal operating's of dish washer phenomenon, the dish washer that has this steam generator can be suitable for the test of intaking better, after the test is accomplished, can not lead to steam generator spalling when the frozen water of leaving over in the casing 10 interior conduit, the dish washer that has this steam generator can be suitable for ambient temperature and in the transportation of below zero degree, the dish washer can normally work.

In one embodiment, as shown in fig. 1 and 3, the housing 10 includes a bottom cover 200 and a top cover 100 connected together. The bottom cover 200 and the top cover 100 are sealingly connected, and the joint surfaces of the two may be provided with sealing rings or other sealing structures for sealing, and the two may be fixed together by screw assemblies. The baffle 110 is arranged on the bottom surface of the top cover 100, and the baffle 110 and the top cover 100 can adopt an integrated structure and are formed by injection molding; the baffle 110 and the bottom surface of the top cover 100 may together define the receiving cavity 101, and the outer wall of the baffle 110 and the side walls of the bottom cover 200 have a space therebetween.

An inner cavity 201 with an opening at the top is enclosed by the bottom cover 200, and a heating body is arranged in the inner cavity 201; a water inlet is formed on the bottom cover 200, a water inlet pipe 210 can be arranged at the water inlet, one section of the water inlet pipe 210 extends into the bottom cover 200, and a gap is formed between the baffle 110 of the top cover 100 and the water inlet pipe 210; the top cover 100 is formed with a steam outlet, which may be provided with a steam outlet pipe 120, and the steam generator draws out steam through the steam outlet pipe 120.

In an embodiment, as shown in fig. 2 and 5, the top cover 100 is recessed to form the receiving cavity 102, the top surface of the top cover 100 forms a convex hull 103, the baffle 110 is disposed in the receiving cavity 102, and one end of the baffle 110 extends into the inner cavity 201 of the bottom cover 200, so that the chamber defined by the top cover 100 and the top cover 100 has more space to accommodate more gas, and it is convenient to add a reinforcing structure to the top cover 100. As shown in fig. 1 and 2, the circumferential edge of the bottom surface of the top cover 100 may be formed with a protruding strip 130 in an annular shape, the bottom cover 200 is provided with a locking groove adapted to the protruding strip 130, the protruding strip 130 is aligned to the locking groove of the bottom cover 200 during assembly, the protruding strip 130 is locked into the locking groove in an adapted manner, so that the top cover 100 and the bottom cover 200 are initially assembled, and then the top cover 100 and the bottom cover 200 are fixedly connected by screws, so as to form a sealing structure therebetween.

In an embodiment, as shown in fig. 1 and 7, a plurality of first ribs 140 protrude from the bottom surface of the top cover 100, and two ends of the first ribs 140 are respectively connected to the inner walls of the baffles 110, that is, the bottom surface of the top cover 100 is provided with a plurality of first ribs 140, and two ends of the first ribs 140 respectively extend to the opposite inner walls of the baffles 110. A part of the first reinforcing ribs 140 are arranged in a staggered manner to form a grid structure, so that the baffle 110 and the wall surface of the top cover 100 corresponding to the accommodating cavity 101 have better structural strength.

In one embodiment, as shown in fig. 1, a portion of the first reinforcing ribs 140 are arranged in a staggered manner, and a disc structure 141 for improving structural strength is provided at the junction of the two first reinforcing ribs 140. As shown in fig. 7, five first reinforcing ribs 140 are provided at intervals in the width direction on the bottom surface of the top cover 100, one first reinforcing rib 140 is provided in the length direction, the first reinforcing ribs 140 in the two directions are vertically staggered, disc structures 141 are provided at the intersections of the two sides, and the discs at the two sides are symmetrically arranged with respect to the first reinforcing rib 140 in the middle. The top surface of the disc structure 141 may be flush with the bottom surface of the first reinforcing rib 140, and the disc structure may further improve the structural strength of the baffle 110 and the top cover 100.

In an embodiment, as shown in fig. 2 and 7, a plurality of second reinforcing ribs 150 are convexly formed on the inner top wall of the top cover 100, wherein two ends of a part of the second reinforcing ribs 150 are respectively connected to the groove wall of the accommodating groove 102 and the outer wall of the baffle 110, and two ends of the other second reinforcing ribs 150 are respectively connected to two opposite groove walls of the accommodating groove 102, so that the overall structural strength of the top cover 100 can be improved, and the ability of resisting spalling when the interior of the housing 10 is frozen can be improved.

In one embodiment, the cross section of the receiving cavity 101 is rectangular, and the cross section is perpendicular to the thickness direction of the top cover 100. The cross section of the inner cavity 201 of the housing 10 is also substantially rectangular, and each side of the baffle 110 may be disposed parallel to the inner wall of the corresponding side of the housing 10. It is understood that the baffle 110 may be disposed vertically, or at an angle to the vertical; the shape of the cross section of the accommodating cavity 101 surrounded by the baffle 110 may be correspondingly set according to the shape of the cross section of the inner cavity 201 of the housing 10.

In an embodiment, as shown in fig. 2 and 7, the baffles 110 are vertically arranged, and when the cross section of the accommodating cavity 101 is rectangular, the accommodating space enclosed by the baffles 110 is substantially rectangular. The baffle 110 includes two first baffles 111 and two second baffles 112, and the cross section of the accommodating chamber 101 is rectangular. The first barrier 111 is disposed to be parallel to the length direction of the top cover 100, the second barrier 112 is disposed to be parallel to the width direction of the top cover 100, and the bottoms of the first barrier 111 and the second barrier 112 are protruded out of the top cover 100 and into the bottom cover 200. The junction of the first baffle 111 and the second baffle 112 can be in smooth transition, and the length of the first baffle 111 can be set to be greater than half of the length of the inner cavity 201 of the shell 10, so that more space can be reserved for gas in the accommodating cavity 101, and the shell 10 can be better buffered when water freezes and expands.

The thickness of the baffle 110 can be specifically set according to the application scenario of the steam generator; the baffle 110 may have a uniform thickness or a variable diameter. As shown in fig. 6, the thickness of the baffle 110 gradually increases from a direction away from the top cover 100 to a direction close to the top cover 100, an outer wall of the baffle 110 may have an angle with the vertical direction, and an inner wall of the baffle 110 is parallel to the vertical direction or has an angle with the vertical direction. The baffle 110 adopts a variable diameter structure to bear larger stress, the joint of the baffle 110 and the top cover 100 has better structural strength, and the baffle 110 is not easy to be supported by external force and is damaged and cracked at the joint of the top cover 100.

A plurality of first reinforcing ribs 140 may be disposed between the two first baffles 111 at intervals in parallel, at least one first reinforcing rib 140 may be disposed between the two second baffles 112, the first reinforcing ribs 140 in the two directions are arranged in a staggered manner, and a latticed reinforcing structure is formed in a corresponding region of the top cover 100 in the accommodating cavity 101.

In one embodiment, as shown in fig. 7, the accommodating chamber 101 is located at the middle position of the top cover 100, and when the water in the housing 10 freezes and expands, the stress on the opposite sides of the housing 10 and the opposite sides of the baffle 110 is relatively uniform, so that the situation that the stress on one side is too concentrated can be avoided. When the cross section of the accommodating chamber 101 is rectangular, the distance between the first baffle 111 on one side and the nearest sidewall of the bottom cover 200 is equal to the distance between the first baffle 111 on the other side and the nearest sidewall of the bottom cover 200, and the distance between the second baffle 112 on one side and the nearest sidewall of the bottom cover 200 is equal to the distance between the second baffle 112 on the other side and the nearest sidewall of the bottom cover 200. The intermediate position mentioned above is not an absolute position, and may be slightly shifted to one side depending on the actual condition of the housing 10, and the housing chamber 101 is substantially at the intermediate position of the housing 10.

The accommodating cavity 101 may be provided with a plurality of partition plates (not shown), two ends of each partition plate are respectively connected to the inner walls of the two first baffle plates 111, the partition plates are perpendicular to the first baffle plates 111, the height of each partition plate is less than or equal to the height of the first baffle plate 111, and each partition plate partitions the accommodating cavity 101 into a plurality of chambers.

As shown in FIG. 1, the steam generator may further include a temperature controller 220, the temperature controller 220 is disposed on the outer wall of the bottom cover 200, the temperature controller 220 is electrically connected to the heating element in the casing 10, and the temperature controller 220 may control the heating temperature of the heating element according to different dishes to control the temperature of the steam generator to generate steam.

The embodiment of the application provides a dish washer, including the steam generator of above-mentioned embodiment, the dish washer that uses above-mentioned steam generator can be suitable for into water operation test, can avoid steam generator because water freezes and the spalling when the low temperature, and then lead to the unable normal work's of dish washer phenomenon, the test is accomplished the back, and dish washer also can be suitable for ambient temperature in the transportation below the zero degree, can not take place the spalling after the water expansion that steam generator inner tube left over, and the dish washer can normally work. The dish washer further comprises an inner container (not shown), the steam generator is arranged outside the inner container, the steam outlet pipe 120 of the steam generator is connected with a steam nozzle assembly (not shown), steam generated by the steam generator can be sprayed into the inner container through the steam nozzle assembly, and high-temperature spraying washing of tableware placed in the inner container is achieved.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A steam generator, characterized by: the method comprises the following steps:

the shell is of a hollow structure and is box-shaped, a heating body is arranged in the shell, a baffle is arranged on the inner top wall of the shell, the baffle and the inner wall of the shell jointly enclose an accommodating cavity with an opening at the bottom, gas is arranged in the shell, and the gas enters the accommodating cavity when the shell is filled with water, so that the water in the shell can extend into the accommodating cavity and compress the gas when the water is frozen;

the shell comprises a top cover and a bottom cover which are connected, the baffle is arranged on the bottom surface of the top cover, the baffle and the bottom surface of the top cover jointly enclose the accommodating cavity, and the outer wall of the baffle and each side wall of the bottom cover are respectively provided with a space; the baffle with the top cap is an integrative injection moulding structure.

2. The steam generator of claim 1, wherein: the bottom surface of top cap is protruding to be equipped with a plurality of first strengthening ribs, the both ends of first strengthening rib respectively with the inner wall connection of baffle.

3. The steam generator of claim 2, wherein: one part of the first reinforcing ribs are distributed in a staggered mode, and a disc structure used for improving the structural strength is arranged at the junction of the two first reinforcing ribs.

4. The steam generator of claim 1, wherein: the top cover is sunken to form a containing groove, the baffle is arranged in the containing groove, and one end of the baffle extends into the bottom cover.

5. The steam generator of claim 4, wherein: and a plurality of second reinforcing ribs are convexly arranged on the groove wall of the accommodating groove, and two ends of a part of the second reinforcing ribs are respectively connected with the groove wall of the accommodating groove and the outer wall of the baffle.

6. The steam generator according to any one of claims 1 to 5, wherein: the accommodating cavity is located in the middle of the top cover.

7. The steam generator according to any one of claims 1 to 5, wherein: the cross section of the accommodating cavity is rectangular, and the cross section is a plane perpendicular to the thickness direction of the top cover.

8. The steam generator of claim 7, wherein: the baffle is vertically arranged, the baffle comprises two first baffles and two second baffles, the two first baffles are opposite to each other, the first baffles are parallel to the length direction of the top cover, and the second baffles are parallel to the width direction of the top cover.

9. A dishwasher, characterized by: a steam generator comprising a steam generator according to any of claims 1 to 8.