CN211289988U

CN211289988U - Steam generator

Info

Publication number: CN211289988U
Application number: CN201921972807.6U
Authority: CN
Inventors: 曹扶升
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-18
Anticipated expiration: 2029-11-14

Abstract

The utility model provides a steam generator, include: the steam chamber is formed by buckling at least a first shell and a second shell, and the first shell and the second shell are integrally connected; the concave parts are at least arranged on one of the first shell and the second shell, and the steam chamber is formed between the concave parts or formed by the concave parts and the one of the first shell and the second shell; and the heating component is arranged outside the steam chamber and used for transferring or radiating heat to the direction of the steam chamber. The steam chamber is formed by buckling a first shell and a second shell which are arranged in a split manner, and the concave parts are distributed on the first shell and the second shell, and the structure in the shape can be obtained by a stamping mode. Therefore, even if the alloy with better corrosion resistance, such as stainless steel, is selected for production, the cost is obviously reduced compared with that of a bent stainless steel pipeline, and the mass production is easier. Not only reduces the production cost, but also greatly improves the production efficiency.

Description

Steam generator

Technical Field

The utility model relates to a kitchen utensil technical field, concretely relates to steam generator.

Background

The steam generator is an important component constituting the steam oven, and the steam generator changes water into steam for the steam oven to use by heating the water inside.

A conventional steam generator is shown in fig. 1 and includes a housing 1, a steam chamber 3 is provided in the housing 1, and the steam chamber 3 is closed by a cover 11. The cover 11 is fastened to the housing 1 by means of screws 12. The steam chamber 3 also has a heating tube 2 therein. During operation, water enters the steam chamber 3 and is heated by the heating pipe 2, so that the water is changed into steam for cooking.

But since the cover 11 is closed by means of screws 12. The enclosure 1 is usually cast from an alloy, and the inside of the steam chamber 3 is in a high temperature, humid working environment, and corrosion occurs between the enclosure 1 and the cover 11. And the screw 12 is easily loosened, resulting in deterioration of sealability of the steam chamber 3.

In the prior art, there is another steam generator, as shown in fig. 2. The steam chamber 3 is formed by bending stainless steel into a pipe shape. A heating pipe 2 is fixed outside the stainless steel through a shell 1.

Since the pipe is made of stainless steel material and bent, the forming is difficult and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the steam generator inner structure difficulty of taking shape among the prior art, defect that the cost of manufacture is high to a steam generator is provided.

A steam generator comprising:

the steam chamber is formed by buckling at least a first shell and a second shell, and the first shell and the second shell are integrally connected;

the concave parts are at least arranged on one of the first shell and the second shell, and the steam chamber is formed between the concave parts or formed by the concave parts and the one of the first shell and the second shell;

and the heating component is arranged outside the steam chamber and used for transferring or radiating heat to the direction of the steam chamber.

Further comprising:

and the fixing layer is made of a heat conduction material and is wrapped outside the steam chamber.

The heating assembly is arranged in the fixed layer and is close to the first shell and/or the second shell.

The steam chamber includes at least one water inlet and outlet tube extending outwardly of the steam chamber.

The steam chamber is coiled in an S shape.

The concave part comprises a plurality of parallel channels, and the heating components are correspondingly arranged between the adjacent parallel channels.

The heating assembly includes:

and the heating pipe is arranged in parallel to the parallel channel.

Two heating pipes are correspondingly arranged on the same parallel channel, and the two heating pipes are respectively arranged on two sides of the steam chamber corresponding to the first shell and the second shell.

The first shell and the second shell are made of stainless steel, and the concave parts are formed by stamping.

The fixed layer is made of aluminum alloy through casting.

The fixing layer is correspondingly wrapped on the first shell and the second shell, the thickness of the fixing layer is the same at all positions, and a bulge is formed at the position corresponding to the concave part.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a steam generator, include: the steam chamber is formed by buckling at least a first shell and a second shell, and the first shell and the second shell are integrally connected; the concave parts are at least arranged on one of the first shell and the second shell, and the steam chamber is formed between the concave parts or formed by the concave parts and the one of the first shell and the second shell; and the heating component is arranged outside the steam chamber and used for transferring or radiating heat to the direction of the steam chamber.

The steam chamber is formed by buckling a first shell and a second shell which are arranged in a split manner, and the concave parts are distributed on the first shell and the second shell, and the structure in the shape can be obtained by a stamping mode. Therefore, even if the alloy with better corrosion resistance, such as stainless steel, is selected for production, the cost is obviously reduced compared with that of a bent stainless steel pipeline, and the mass production is easier. Not only reduces the production cost, but also greatly improves the production efficiency.

2. The utility model provides a steam generator still includes: and the fixing layer is made of a heat conduction material and is wrapped outside the steam chamber.

The fixed layer wraps the outside of the steam chamber, and the sealing performance of the steam chamber is further improved. Meanwhile, the fixing layer is made of heat conducting materials, so that the heating uniformity of the steam chamber is improved.

3. The utility model provides a steam generator, heating element locates in the fixed bed, be close to first casing and/or second casing setting.

The heating component wraps the fixing layer, and heat emitted by the heating component is directly transferred to the steam chamber and the fixing layer. The fixed layer transfers heat to the steam chamber more uniformly, thereby reducing the heat leaked by the heating component and improving the utilization rate of the heat generated by the heating component.

4. The utility model provides a steam generator, the steam chamber include at least one to the business turn over water pipe that the steam chamber extends outward.

The water inlet and outlet pipes are used for supplementing water into the steam chamber, steam flows out when the water is heated to become steam, and the flowing-out steam is conveyed into the steaming oven for cooking by a user.

5. The utility model provides a steam generator, the steam chamber is "S" shape and coils the setting.

The steam chamber that is "S" shape and coils the setting, rivers flow along the route of "S" shape in the steam chamber, fully contact with the inner wall of steam chamber, make water change into steam more easily, improve the production efficiency of steam.

6. The utility model provides a steam generator, the depressed part includes a plurality of parallel passage, heating element corresponds to set up in adjacent between the parallel passage.

The position of parallel passage, the position of depressed part promptly constitutes a recess between two depressed parts, and heating element corresponds the setting in the recess, has improved the area of contact of heating element with evaporating the room, has improved heating element's heat transfer efficiency.

7. The utility model provides a steam generator, heating element includes: and the heating pipe is arranged in parallel to the parallel channel.

The section of the heating pipe is circular, and can be matched with a groove formed by winding the steaming chamber in an S shape. Meanwhile, the heating pipe can uniformly radiate heat to the surrounding environment.

8. The utility model provides a steam generator is same parallel passage corresponds and sets up two heating pipes, two the heating pipe corresponds first casing and second casing setting respectively and is in the both sides of steam chamber.

The steam chamber both sides all set up the heating pipe, make water when the steam chamber is indoor to flow, can all obtain the heat from the steam chamber both sides to faster transformation steam.

9. The utility model provides a steam generator, first casing, second casing are made by the stainless steel, the depressed part is the punching press and forms.

Based on the structure of this scheme, can process the depressed part on the stainless steel through the mode of punching press, for the stainless steel pipeline of buckling among the prior art, the degree of difficulty of processing reduces by a wide margin, and processing cost and machining efficiency are showing and are improving.

10. The utility model provides a steam generator, the fixed bed is made for the aluminum alloy casting.

The anchoring layer does not need to be in contact with water and steam, and therefore an aluminium alloy with less corrosion resistance than stainless steel can be used for the anchoring layer. The cost of the whole product is reduced under the condition of keeping the overall performance unchanged. And after the steam chamber is manufactured, the steam chamber can be placed into a mold to form a fixed layer of the aluminum alloy in a casting mode.

11. The utility model provides a steam generator, the fixed bed corresponds the parcel the thickness of first casing and second casing is everywhere the same, and is corresponding depressed part department forms the arch.

The fixed layer with the uniformly distributed thickness has a more uniform heat transfer effect, the shape of the product is more regular, and the product is convenient to transport.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of background art;

FIG. 2 is a schematic diagram of the background art;

FIG. 3 is a schematic view of the structure of the steam generator of the present invention;

fig. 4 is a sectional view of the structure of the steam generator of the present invention;

fig. 5 is an exploded view showing a remaining structure of the steam generator according to the present invention after the fixing layer is removed.

Description of reference numerals:

1. a housing; 11. sealing the cover; 12. a screw; 2. a second housing; 3. a steam chamber; 31. a first housing; 32. a second housing; 33. a water inlet pipe and a water outlet pipe; 34. a recessed portion; 4. and fixing the layer.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a steam generator, as shown in fig. 3 and 4, including: a steam chamber 3 formed by at least a first casing 31 and a second casing 32, the first casing 31 and the second casing 32 being integrally connected; a recess 34 at least provided on one of the first casing 31 and the second casing 32, wherein the steam chamber 3 is formed between the recesses 34, or the recess 34 and one of the first casing 31 and the second casing 32; and a heating element disposed outside the steam chamber 3 for transferring or radiating heat toward the steam chamber 3. The steam chamber 3 is formed by fastening a first shell 31 and a second shell 32 which are separately arranged, and the concave parts 34 are distributed on the first shell 31 and the second shell 32, and the structure of the shape can be obtained by a stamping mode. Therefore, even if the alloy with better corrosion resistance, such as stainless steel, is selected for production, the cost is obviously reduced compared with that of a bent stainless steel pipeline, and the mass production is easier. Not only reduces the production cost, but also greatly improves the production efficiency.

The connection manner of the first housing 31 and the second housing 32 is not particularly limited, and in this embodiment, the first housing 31 and the second housing 32 are welded together. As an alternative embodiment, the first casing 31 and the second casing 32 are fixed together by an adhesive layer.

The structure of the steam generator is not particularly limited, and in this embodiment, as shown in fig. 4, the steam generator further includes: and the fixing layer 4 is made of heat conducting material and is wrapped outside the steam chamber 3. The fixing layer 4 is wrapped outside the steam chamber 3 to further improve the sealing property of the steam chamber 3. Meanwhile, the fixing layer 4 is made of heat conducting materials, so that the heating uniformity of the steam chamber 3 is improved.

The structural form of the fixing layer 4 is not particularly limited, and in the present embodiment, as shown in fig. 4, the fixing layer 4 is a solid layered structure wrapped outside the steam chamber 3. As an alternative embodiment, the fixing layer 4 is a hollow structure.

The position of the heating element is not particularly limited, and in this embodiment, the heating element is disposed in the fixing layer 4, and is disposed near the first shell 31 and/or the second shell 32. The heating element is wrapped in the fixing layer 4, and heat emitted by the heating element is directly transferred to the steam chamber 3 and the fixing layer 4. The fixing layer 4 transfers heat to the steam chamber 3 more uniformly, thereby reducing the heat leaked from the heating component and improving the utilization rate of the heat generated by the heating component. As an alternative, the heating element is arranged outside the fixing layer 4.

The structure of the heating element and the steam chamber 3 is not particularly limited, and in the present embodiment, the heating element is disposed to be attached to the outer wall of the steam chamber 3. As an alternative, the heating element is completely encapsulated in the fixing layer 4, the fixing layer 4 being arranged spaced apart from the steam chamber 3.

The structure of the steam chamber 3 is not particularly limited, and in this embodiment, the steam chamber 3 includes at least one water inlet/outlet pipe 33 extending outward of the steam chamber 3. The water inlet and outlet pipe 33 is used for supplementing water into the steam chamber 3 and for allowing steam to flow out when the water is heated to become steam, and the flowing steam is conveyed into the steaming oven for cooking by a user.

The number of the water inlet and outlet pipes 33 is not particularly limited, and in this embodiment, two water inlet and outlet pipes 33 are provided at both ends of the steam chamber 3 in stages. As an alternative embodiment, there is one water inlet and outlet pipe 33.

The shape of the steam chamber 3 is not particularly limited, and in the present embodiment, the steam chamber 3 is wound in an "S" shape as shown in fig. 5. The steam chamber 3 that is "S" shape coiling setting, rivers flow along the route of "S" shape in steam chamber 3, and the inner wall fully contact with steam chamber 3 makes water change into steam more easily, improves the production efficiency of steam. As an alternative embodiment, the steam chamber 3 is rectangular.

The steam chamber 3 has the same cross-sectional size throughout. As an alternative embodiment, the steam chamber 3 has a cross-sectional size that varies from place to place along its length.

The shape and structure of the recess 34 are not particularly limited, and in this embodiment, the recess 34 includes a plurality of parallel channels, and the heating elements are correspondingly disposed between adjacent parallel channels. The position of the parallel channel, namely the position of the concave part 34, forms a groove between the two concave parts 34, and the heating component is correspondingly arranged in the groove, so that the contact area of the heating component and the steaming chamber is increased, and the heat transfer efficiency of the heating component is improved.

The shape of the heating assembly is not particularly limited, and in the present embodiment, as shown in fig. 5, the heating assembly includes: and the heating pipe is arranged in parallel to the parallel channel. The section of the heating pipe is circular, and can be matched with a groove formed by winding the steaming chamber in an S shape. Meanwhile, the heating pipe can uniformly radiate heat to the surrounding environment. As an alternative embodiment, the heating tube has a polygonal cross-section.

The number of the heating pipes is not particularly limited, and in this embodiment, as shown in fig. 5, two heating pipes are correspondingly disposed in the same parallel channel, and the two heating pipes are respectively disposed on two sides of the steam chamber 3 corresponding to the first shell 31 and the second shell 32. The heating pipe is arranged on both sides of the steam chamber 3, so that when water flows in the steam chamber 3, heat can be obtained from both sides of the steam chamber 3, and the steam is converted into steam more quickly.

The material of the first housing 31 and the second housing 32 is not particularly limited, and in the present embodiment, as shown in fig. 5, the first housing 31 and the second housing 32 are made of stainless steel, and the recess 34 is formed by stamping. Based on the structure of this scheme, can process depressed part 34 on the stainless steel through the mode of punching press, for the stainless steel pipeline of buckling among the prior art, the degree of difficulty of processing reduces by a wide margin, and processing cost and machining efficiency are showing and are improving. As an alternative embodiment, the first and

second housings

31 and 32 are made of other heat conductive materials.

The material for forming the fixing layer 4 is not particularly limited, and in this embodiment, the fixing layer 4 is made of aluminum alloy by casting. The fixing layer 4 does not need to contact water and steam, and therefore the fixing layer 4 may be selected from an aluminum alloy having corrosion resistance inferior to that of stainless steel. The cost of the whole product is reduced under the condition of keeping the overall performance unchanged. And after the steam chamber 3 is manufactured, the steam chamber 3 may be put into a mold to form the fixing layer 4 of the aluminum alloy by casting. As an alternative embodiment, the fixing layer 4 is made of another heat conductive material.

The shape of the fixing layer 4 is not particularly limited, and in this embodiment, as shown in fig. 4 and 5, the fixing layer 4 wraps the first shell 31 and the second shell 32 in the same thickness, and a protrusion is formed at a position corresponding to the recess 34. The fixed layer 4 with the uniformly distributed thickness has a more uniform heat transfer effect, ensures that the shape of the product is more regular, and facilitates the transportation of the product.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A steam generator, comprising:

a steam chamber (3) formed by at least a first shell (31) and a second shell (32) in a buckling mode, wherein the first shell (31) and the second shell (32) are integrally connected;

a recessed part (34) at least provided on one of the first casing (31) and the second casing (32), wherein the steam chamber (3) is formed between the recessed parts (34) or formed by the recessed part (34) and the one of the first casing (31) and the second casing;

and the heating component is arranged outside the steam chamber (3) and is used for transferring or radiating heat to the direction of the steam chamber (3).

2. The steam generator of claim 1, further comprising:

and the fixing layer (4) is made of a heat conduction material and is wrapped outside the steam chamber (3).

3. The steam generator according to claim 2, characterized in that the heating assembly is provided within the fixing layer (4), adjacent to the first shell (31) and/or the second shell (32).

4. Steam generator according to any of claims 1-3, characterized in that the steam chamber (3) comprises at least one water inlet and outlet pipe (33) extending outside the steam chamber (3).

5. Steam generator according to any of claims 1-3, characterized in that the steam chamber (3) is coiled in an "S" shape.

6. The steam generator of claim 5, wherein the recess (34) comprises a plurality of parallel channels, and the heating elements are correspondingly disposed between adjacent parallel channels.

7. The steam generator of claim 6, wherein the heating assembly comprises:

the heating pipe (2), the heating pipe (2) is parallel to the parallel passageway setting.

8. The steam generator according to claim 7, characterized in that two heating tubes (2) are arranged in correspondence with one and the same parallel channel, and the two heating tubes (2) are arranged on both sides of the steam chamber (3) in correspondence with a first shell (31) and a second shell (32), respectively.

9. The steam generator according to any one of claims 1 to 3 and 6 to 8, wherein the first and second housings (31, 32) are made of stainless steel, and the recess (34) is formed by stamping.

10. The steam generator according to claim 2, characterized in that the fixing layer (4) is cast of an aluminium alloy.

11. The steam generator according to claim 2 or 10, characterized in that the fixing layer (4) wraps the first and second shells (31, 32) with the same thickness and forms a protrusion corresponding to the recess (34).