CN208349277U - Steam-type household electrical appliance, steam generator and its steam pipe - Google Patents

Abstract

It includes: tube wall that the utility model, which provides a kind of steam-type household electrical appliance, steam generator and its steam pipe, steam pipe, and the inner wall of tube wall limits flow channel, and being configured on the inner wall of tube wall makes tube wall in rough texture structure.The steam pipe that this programme provides, the texture structure for making tube wall show uneven shape is configured on the inner wall of tube wall, possess relative to tradition smooth, for the steam tube structure in smooth inner wall face, at texture structure due to uneven and flow resistance is larger, the choked flow that will receive texture structure when liquid water and texture structure contact acts on and is formed to have from steady fluidised form the turbulent flow of certain less turbulence, turbulent flow, it can be conducive to extend the heated duration of water, also it is conducive to the convective heat transfer efficiency of riser wall inner wall and water, to promote steam formation efficiency, and pipe inner heating surface product can be increased, with evaporation efficiency in corresponding riser, realize the comprehensive purpose for promoting steam generator work efficiency.

Description

Steam-type household electrical appliance, steam generator and its steam pipe

Technical field

The utility model relates to steam generator fields, steam pipe, one kind in particular to a kind of steam generator Steam generator and a kind of steam-type household electrical appliance.

Background technique

Steam generator generally comprises steam pipe and the heating element for heating to steam pipe, after heating element enables When in the condition of high temperature, cold water can be heated as hot water moment after entering steam pipe, or even become steam, realize steam pipe with this The purpose that interior steam generates, but in the process of implementing the utility model, following problem exists in the prior art in inventor: Actually there is the also sufficiently not heated vaporization of a large amount of water just to flow out in steam pipe, leads to steam generator real work efficiency not It is high.

Utility model content

At least one in order to solve the above-mentioned technical problem, one of the utility model is designed to provide a kind of steam generation The steam pipe of device.

Another of the utility model is designed to provide a kind of steam hair of steam pipe with above-mentioned steam generator Raw device.

The further object of the utility model is to provide a kind of steam-type household electrical appliance with above-mentioned steam generator.

To achieve the above object, the embodiment of the utility model first aspect provides a kind of steam of steam generator Pipe, comprising: tube wall, the inner wall of the tube wall limit flow channel, and be configured on the inner wall of the tube wall make it is described The inner wall of tube wall is in rough texture structure.

The steam pipe of the utility model steam generator provided by the above embodiment, being configured on the inner wall of tube wall makes The inner wall of tube wall shows the texture structure of uneven shape, and the steam in smooth smooth inner wall face is possessed relative to tradition For pipe structure, at texture structure due to uneven and flow resistance is larger, when liquid water flowed in pipe along flow channel and with When texture structure contacts, it will receive the choked flow effect of texture structure and be formed to have the disorderly of certain less turbulence from steady fluidised form Stream, turbulent flow can be conducive to extend the heated duration of water in this way, also be conducive to the convective heat transfer efficiency of riser wall inner wall and water, from And steam formation efficiency is promoted, and also increase pipe inner heating surface product to a certain extent due to uneven at texture structure, Can evaporation efficiency in corresponding riser, realize the comprehensive purpose for promoting steam generator work efficiency.

In addition, the steam pipe of the steam generator in above-described embodiment provided by the utility model can also have it is following attached Add technical characteristic:

In above-mentioned technical proposal, several protrusions are formed on the inner wall of the tube wall, several protrusions are in the pipe The texture structure is limited on the inner wall of wall.

In the present solution, protrusion baffle, flow-disturbing function and effect it is obvious, several protrusions are configured on the inner wall of tube wall To limit the texture structure that tube wall inner wall of sening as an envoy to shows uneven shape, when liquid water flows in pipe along flow channel And when with projection contacts, it will receive the straight tackling effect of protrusion and be formed to have the turbulent flow of certain less turbulence, turbulent flow, very To obvious vortex can be formed, it can greatly extend the heated duration of water in this way, also be conducive to the convection current of riser wall inner wall and water Heat transfer efficiency, to promote steam formation efficiency, and protrusion also increases the specific surface face of tube wall inner wall to a certain extent Product increases accordingly pipe inner heating surface product, can evaporation efficiency in corresponding riser, realize the mesh for promoting steam generator work efficiency 's.

In above-mentioned technical proposal, the circumferential array on the inner wall of the tube wall along the steam pipe has multiple described convex It rises；And/or the axial alignment on the inner wall of the tube wall along the steam pipe has multiple protrusions.

In the present solution, the circumferential array on the inner wall of setting tube wall along steam pipe has multiple protrusions, in this way, protrusion is removed It is outer to generate conventional local baffle effect, it can be near this in steam pipe along the distribution of steam pipe circumferential array using multiple protrusions It is formed at position to flow restriction-expansion alternating action form, increases the turbulence level of tube fluid, further to extend water Heated duration, and the convective heat transfer efficiency of riser wall inner wall and water promotes steam formation efficiency.

The axial alignment on the inner wall of tube wall along steam pipe, which is arranged, multiple protrusions, in this way, fluid is along steam pipe axial direction It will receive in flow process and repeatedly acted on from the baffle of protrusion, further increase the turbulence level of tube fluid, extend water Heated duration, the convective heat transfer efficiency of riser wall inner wall and water, promoted steam formation efficiency.

In any of the above-described technical solution, border on distribution between at least partly adjacent protrusion in several protrusions, And the boundary between the adjacent protrusion is lower than the top of the protrusion.

In the present solution, the top for bordering on distribution and boundary and being lower than the adjacent protrusion between setting adjacent protrusion, this Sample, the low structure between adjacent protrusion position is formed as two sides senior middle school, it is possible to provide the nucleus of boiling, this peomotes liquid in pipe Boiling, and flow-disturbing purpose is realized using wallop, it can equally promote evaporation efficiency.

In any of the above-described technical solution, border in two of the distribution protrusions, at least one protrusion it is minimum Border at point with other side.

In the present solution, being connect at the minimum point of at least one protrusion with other side in two protrusions that distribution is bordered in setting Earth, two protrusions that more preferably distribution is bordered in design, which all use, borders at its minimum point with other side, can further increase in this way The height fall of concave and convex part on tube wall inner wall has and promotes flow-disturbing effect, to promote to extend the heated duration of water, and promotes The convective heat transfer efficiency of riser wall inner wall and water promotes steam formation efficiency.

In any of the above-described technical solution, it is spaced apart between at least partly adjacent protrusion in several protrusions.

In any of the above-described technical solution, it is formed between at least partly adjacent protrusion in several protrusions recessed Slot；And/or the protrusion includes the convex closure of the shape high in middle part, periphery is low.

In the present solution, setting it is several protrusion at least partly adjacent protrusion between formed it is fluted, can using groove The nucleus of boiling is provided, this peomotes liquid in pipe boiling, and realizes flow-disturbing purpose using wallop, can equally promote steaming Send out efficiency.

The convex closure that protrusion includes the shape high in middle part, periphery is low is set, this can not only realize the gradient using protrusion into The purpose of row flow-disturbing, meanwhile, the side of the low convex closure of intermediate high surrounding can play shunting function to fluid, further to be promoted The scrambling of steam tube fluid flowing, promotes turbulence level, to extend the heated duration of water, and riser wall inner wall with The convective heat transfer efficiency of water promotes steam formation efficiency.

In any of the above-described technical solution, the steam pipe is heat-conducting component.

In the present solution, setting steam pipe be heat-conducting component, for example, the good aluminum pipe of thermal conductivity, aluminium-alloy pipe, Copper pipe etc., heat-conducting component have higher thermal coefficient, in this way can be in terms of being promoted to the heating efficiency of liquid in pipe It realizes and promotes steam formation efficiency.

The embodiment of the utility model second aspect provides a kind of steam generator, comprising: any of the above-described technical solution Described in steam generator steam pipe；Heating element heats the steam pipe when enabling.

The utility model steam generator provided by the above embodiment, by being provided with described in any of the above-described technical solution Steam generator steam pipe, thus have all of the above beneficial effect, details are not described herein.

The embodiment of the utility model third aspect provides a kind of steam-type household electrical appliance, including any of the above-described technical side Steam generator described in case.

The utility model steam-type household electrical appliance provided by the above embodiment, by being provided in any of the above-described technical solution The steam generator, to have all of the above beneficial effect, details are not described herein.

Optionally, the steam-type household electrical appliance are cooking machine, Garment Steamer Machine, steam oven etc..

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the cross-sectional structure schematic diagram of steam pipe described in the utility model one embodiment；

Fig. 2 is the vertical section structure schematic diagram of steam pipe described in the utility model one embodiment.

Wherein, the appended drawing reference in Fig. 1 and Fig. 2 and the corresponding relationship between component names are as follows:

10 steam pipes, 11 tube walls, 12 flow channels, 13 protrusions, 14 boundarys, 15 grooves.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.

Referring to the steaming for describing the steam generator according to the utility model some embodiments shown in Fig. 1 and Fig. 2 Steam pipe 10.

As depicted in figs. 1 and 2, the steam pipe 10 for the steam generator that the embodiment of the utility model first aspect provides, Including tube wall 11, the inner wall of tube wall 11 limits flow channel 12, and is configured on the inner wall of tube wall 11 and makes tube wall 11 Inner wall is in rough texture structure.

The steam pipe 10 of the utility model steam generator provided by the above embodiment, constructs on the inner wall of tube wall 11 There is the inner wall for making tube wall 11 to show the texture structure of uneven shape, possesses smooth, smooth inner wall face relative to tradition Steam tube structure for, at texture structure due to uneven and flow resistance is larger, when liquid water flows in pipe along flow channel When moving and being contacted with texture structure, it will receive the choked flow effect of texture structure and be formed to have certain turbulence journey from steady fluidised form The turbulent flow of degree, turbulent flow can be conducive to extend the heated duration of water in this way, also be conducive to the convective heat transfer of riser wall 11 inner wall and water Efficiency, to promote steam formation efficiency, and since uneven also increase to a certain extent in pipe adds at texture structure Heat area, can evaporation efficiency in corresponding riser, realize the comprehensive purpose for promoting steam generator work efficiency.

Preferably, as depicted in figs. 1 and 2, several raised 13, several raised 13 are formed on the inner wall of tube wall 11 in pipe Foregoing texture structure is limited on the inner wall of wall 11.

In the present solution, protrusion 13 baffle, flow-disturbing function and effect it is obvious, be configured on the inner wall of tube wall 11 several Protrusion 13 is to limit the texture structure that 11 inner wall of tube wall of sening as an envoy to shows uneven shape, when liquid water is along flow channel 12 When flowing in pipe and being contacted with protrusion 13, it will receive the straight tackling effect of protrusion 13 and be formed to have certain less turbulence Turbulent flow, turbulent flow, or even obvious vortex can be formed, can greatly extend the heated duration of water in this way, also be conducive to riser wall 11 The convective heat transfer efficiency of inner wall and water, to promote steam formation efficiency, and protrusion 13 also increases pipe to a certain extent The specific surface area of wall inner wall has increased accordingly pipe inner heating surface product, can evaporation efficiency in corresponding riser, realize and promote steam The purpose of generator work efficiency.Certainly, this programme is also not limited thereto, and those skilled in the art are in combination with pipe wall thickness reality Border situation can also design groove as the feature for limiting texture structure, for example, meeting setting groove enough in pipe wall thickness When demand, groove can also be designed and limit texture structure, alternatively, the mode of setting groove and combination of protrusions limits texture jointly Structure.

Preferably, as shown in Figure 1, the circumferential array on the inner wall of tube wall 11 along steam pipe 10 has multiple raised 13, this Sample, protrusion 13 is outer except generating conventional local baffle effect, and being distributed using multiple raised 13 along 10 circumferential array of steam pipe can be It is formed at the neighbouring position in steam pipe 10 to flow restriction-expansion alternating action form, further increases tube fluid Turbulence level it is raw to promote steam to extend the heated duration of water, and the convective heat transfer efficiency of 11 inner wall of riser wall and water At efficiency.

Preferably, as shown in Fig. 2, the axial alignment on the inner wall of tube wall 11 along steam pipe 10 has multiple raised 13, this Sample, fluid will receive the repeatedly baffle effect from protrusion 13 along the axial flow process of steam pipe 10, further increase pipe The turbulence level of interior fluid, extends the heated duration of water, and the convective heat transfer efficiency of 11 inner wall of riser wall and water promotes steam Formation efficiency.

It is as depicted in figs. 1 and 2, at least partly adjacent in several raised 13 in one embodiment of the utility model Border on distribution between protrusion 13, and top of the boundary 14 between adjacent protrusion 13 lower than raised 13, that is, adjacent and border on The top of any of two protrusions 13 of distribution is higher than the boundary 14 of the two, in this way, being formed as at 13 position of adjacent protrusion Low structure between the senior middle school of two sides, it is possible to provide the nucleus of boiling, this peomotes liquid in pipe boiling, and using wallop reality Existing flow-disturbing purpose, can equally promote evaporation efficiency.

Preferably, as depicted in figs. 1 and 2, border in two protrusions 13 of distribution, the minimum point of at least one protrusion 13 Place borders on other side, and two protrusions 13 that more preferably distribution is bordered in design, which all use, borders at its minimum point with other side, in this way may be used Further to increase the height fall of the concave and convex part on 11 inner wall of tube wall, have and promote flow-disturbing effect, to promote to extend water Heated duration, and promote the convective heat transfer efficiency of 11 inner wall of riser wall and water, promote steam formation efficiency.

In one embodiment of the utility model, interval point between at least partly adjacent protrusion 13 in several raised 13 Cloth.

In one embodiment of the utility model, it is formed between at least partly adjacent protrusion 13 in several raised 13 Groove 15 can provide the nucleus of boiling using groove 15, this peomotes liquid in pipe boiling, and is disturbed using wallop realization Purpose is flowed, evaporation efficiency can be equally promoted.

More specifically, as depicted in figs. 1 and 2, border on distribution between two protrusions 13 of arbitrary neighborhood in multiple raised 13, And its boundary 14 is lower than the top of two sides protrusion 13, so as to form groove 15 between adjacent protrusion 13, certainly, this programme is also simultaneously It is not limited to this, it, can be specifically such as by phase as the groove for can equally form groove between the protrusion 13 that is spaced apart Gap between adjacent protrusion 13 directly limits, alternatively, being arranged at the position that tube wall 11 is spaced between adjacent protrusion 13 There is the groove that sunk structure limits.

In any of the above-described embodiment, protrusion 13 includes the convex closure of the shape high in middle part, periphery is low, this can not only realize benefit The purpose of flow-disturbing is carried out with the gradient of protrusion 13, meanwhile, the side of the low convex closure of intermediate high surrounding can play shunting to fluid Effect promotes turbulence level further to promote the scrambling that fluid in steam pipe 10 flows, with extend water it is heated when It is long, and the convective heat transfer efficiency of 11 inner wall of riser wall and water, promote steam formation efficiency.

In any of the above-described embodiment, as depicted in figs. 1 and 2, preferably being parallel to for protrusion 13 protrudes out the section in direction in arch Shape can also design the section in rectangle, triangle, trapezoidal etc. certainly according to demand.

In any of the above-described embodiment, it is preferable that steam pipe 10 is heat-conducting component, for example, good aluminium of thermal conductivity Pipe, aluminium-alloy pipe, copper pipe etc., heat-conducting component have higher thermal coefficient, in this way can be from being promoted to liquid in pipe It is realized in terms of heating efficiency and promotes steam formation efficiency.

In a specific embodiment of the utility model, as shown in Figure 1, the section for steam pipe perpendicular to axis is illustrated Figure, the inner wall of the tube wall 11 of steam pipe 10 is circumferentially arranged multiple raised 13, this is in circumferentially arranged multiple raised 13 It is two neighboring between border on distribution, and boundary 14 is lower than the top of supply line of two sides protrusion 13, makes to limit between adjacent protrusion 13 Make groove 15.

In a specific embodiment of the utility model, as shown in Fig. 2, the schematic cross-section of axis is crossed for steam pipe, The inner wall of the tube wall 11 of steam pipe 10 is axially disposed multiple raised 13, the phase in axially disposed multiple raised 13 Border on distribution between two adjacent, and boundary 14 is lower than the top of supply line of two sides protrusion 13, makes to limit between adjacent protrusion 13 Groove 15.

The steam generator that the embodiment of the utility model second aspect provides, comprising: described in any of the above-described embodiment Steam generator steam pipe 10 and heating element, heating element enable when to steam pipe 10 heat.

The utility model steam generator provided by the above embodiment, it is any of the above-described as described in the examples by being provided with The steam pipe 10 of steam generator, to have all of the above beneficial effect, details are not described herein.

For example, heating element is heating wire, heating wire grafting is on 10 outer surface of steam pipe.

The steam-type household electrical appliance that the embodiment of the utility model third aspect provides, including institute in any of the above-described embodiment The steam generator stated.

The utility model steam-type household electrical appliance provided by the above embodiment, by being provided with institute in any of the above-described embodiment The steam generator stated, to have all of the above beneficial effect, details are not described herein.

Optionally, the steam-type household electrical appliance are cooking machine, Garment Steamer Machine, steam oven etc..

In conclusion the steam pipe 10 of steam generator provided by the utility model, increases special line in inner wall of the pipe Reason stops water flow that can change the direction of a stream of water, water flow is made to generate whirlpool when water flows through pipeline using protrusion 13, makees irregular Flowing, while stopping water velocity, and can increase heating surface area, to play multiple action.

In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, It can be and be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be Concrete meaning.

In the description of the utility model, it is to be understood that the orientation or positional relationship of the instructions such as term "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or unit must have specific direction, be constructed and operated in a specific orientation, it is thus impossible to understand For limitations of the present invention.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of steam pipe of steam generator characterized by comprising

Tube wall, the inner wall of the tube wall limit flow channel, and are configured on the inner wall of the tube wall and make the tube wall Inner wall be in rough texture structure.

2. the steam pipe of steam generator according to claim 1, which is characterized in that

Several protrusions are formed on the inner wall of the tube wall, several protrusions limit institute on the inner wall of the tube wall State texture structure.

3. the steam pipe of steam generator according to claim 2, which is characterized in that

Circumferential array on the inner wall of the tube wall along the steam pipe has multiple protrusions；And/or

Axial alignment on the inner wall of the tube wall along the steam pipe has multiple protrusions.

4. the steam pipe of steam generator according to claim 2 or 3, which is characterized in that

Border on distribution, and bordering between the adjacent protrusion between at least partly adjacent protrusion in several protrusions Place is lower than the top of the protrusion.

5. the steam pipe of steam generator according to claim 4, which is characterized in that

Border in two protrusions of distribution, borders at the minimum point of at least one protrusion with other side.

6. the steam pipe of steam generator according to claim 2 or 3, which is characterized in that

It is spaced apart between at least partly adjacent protrusion in several protrusions.

7. the steam pipe of steam generator according to claim 2 or 3, which is characterized in that

It is formed between at least partly adjacent protrusion in several protrusions fluted；And/or

The protrusion includes the convex closure of the shape high in middle part, periphery is low.

8. the steam pipe of steam generator according to any one of claim 1 to 3, which is characterized in that

The steam pipe is heat-conducting component.

9. a kind of steam generator characterized by comprising

The steam pipe of steam generator as described in any one of claims 1 to 8；

Heating element heats the steam pipe when enabling.

10. a kind of steam-type household electrical appliance, which is characterized in that include steam generator as claimed in claim 9.