CN114251639A - Steam generator, steam generating device and steam appliance - Google Patents
Steam generator, steam generating device and steam appliance Download PDFInfo
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- CN114251639A CN114251639A CN202011006799.7A CN202011006799A CN114251639A CN 114251639 A CN114251639 A CN 114251639A CN 202011006799 A CN202011006799 A CN 202011006799A CN 114251639 A CN114251639 A CN 114251639A
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- 238000005338 heat storage Methods 0.000 claims abstract description 102
- 230000008016 vaporization Effects 0.000 claims abstract description 87
- 238000009834 vaporization Methods 0.000 claims abstract description 86
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000005192 partition Methods 0.000 claims description 32
- 239000004020 conductor Substances 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 239000012782 phase change material Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 238000010025 steaming Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 37
- 238000009434 installation Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011232 storage material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/282—Methods of steam generation characterised by form of heating method in boilers heated electrically with water or steam circulating in tubes or ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/005—Control systems for instantaneous steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Irons (AREA)
Abstract
The invention discloses a steam generator, a steam generating device and a steam appliance. Wherein, the steam generator includes: casing, generate heat piece and heat accumulation piece. A heat storage cavity and a vaporization cavity are formed in the shell, and the shell is provided with an inlet and an outlet which are communicated with the vaporization cavity; the heating element is arranged in the shell and is positioned between the heat storage cavity and the vaporization cavity; the heat storage piece is arranged in the heat storage cavity and used for storing and releasing heat energy generated by the heating piece. The technical scheme provided by the invention can realize the power-off heating function of the steam generator, so that the steam appliance manufactured by the steam generator has the advantages of convenience in carrying and use and capability of improving the use experience of a user.
Description
Technical Field
The invention relates to the technical field of steam generation, in particular to a steam generator, a steam generating device and a steam appliance.
Background
The steam generator is used as a core component for generating steam, and the generated high-temperature steam can be used for ironing clothes or cooking food and the like and is widely applied to steam appliances such as a garment steamer, an electric iron, a steam cooker and the like. The current steam generator needs to continuously supply power to heat the heating body when in use so as to ensure the continuous generation of steam. The related art steam generator cannot achieve the off-circuit heating, and the efficiency of heat energy utilization and the efficiency of steam generation are low.
Disclosure of Invention
A primary object of the present invention is to provide a steam generator, which is intended to enable the steam generator to be heated without power interruption and to improve the heat energy utilization efficiency and the steam generation efficiency of the steam generator.
To achieve the above object, the present invention provides a steam generator including:
the heat storage device comprises a shell, a heat storage cavity and a vaporization cavity are formed in the shell, and the shell is provided with an inlet and an outlet which are communicated with the vaporization cavity;
the heating element is arranged in the shell and is positioned between the heat storage cavity and the vaporization cavity; and
the heat storage part is arranged in the heat storage cavity and used for storing and releasing heat energy generated by the heating part.
In an embodiment of the invention, the heat storage member is made of a phase change material.
In an embodiment of the invention, a heat conduction fin is further disposed in the heat storage chamber, and at least a portion of the heat storage member covers the heat conduction fin.
In an embodiment of the present invention, the number of the heat conducting fins is multiple, the multiple heat conducting fins are arranged at intervals, and the heat storage member is filled between at least two adjacent heat conducting fins;
or the heat conducting fins are arranged in the heat storage cavity in a bending mode, a heat transfer groove is formed between the heat conducting fins and the wall of the heat storage cavity, and the heat storage piece is filled in the heat transfer groove.
In an embodiment of the present invention, a heat conducting plate is disposed in the vaporization chamber, and the heat conducting plate and an inner wall of the vaporization chamber enclose to form a heat conducting channel.
In an embodiment of the present invention, the heat conductive plate includes a first heat conductive body and a second heat conductive body; the first heat conductor comprises a heat conduction main body, and the heat conduction main body and the inner wall of the vaporization cavity enclose to form a first heat conduction groove with a first opening; the second heat conductor and the inner wall of the vaporization cavity are enclosed to form a second heat conduction groove with a second opening, the second heat conduction groove is located in the first heat conduction groove, a guide channel is formed between the heat conduction main body and the second heat conductor, the first opening and the second opening are arranged towards the same direction, the projection of the inlet is located in the guide channel, and the outlet is located outside the liquid guide channel.
In an embodiment of the invention, the first heat conductor further includes a connecting portion and a bent portion, and the bent portion is connected to an end of the heat conducting main body through the connecting portion and extends toward the second heat conducting groove through the second opening.
In an embodiment of the invention, a heat-conducting protrusion is convexly arranged on the inner wall of the vaporization cavity adjacent to the heating element;
and/or the surface of the heat conduction channel where the heat conduction plate is located is convexly provided with heat conduction ribs.
In an embodiment of the present invention, the housing includes:
the shell body is internally provided with an accommodating cavity, and the inlet and the outlet are arranged on the shell body and are communicated with the accommodating cavity; and
the partition plate is arranged in the containing cavity and divides the containing cavity into a heat storage cavity and a vaporization cavity, and the heating piece is connected to the partition plate.
In an embodiment of the present invention, the number of the partition plates is one, and the heat generating member is embedded in the partition plate;
or the number of the partition plates is at least two, the at least two partition plates are oppositely arranged to divide the accommodating cavity into a heat storage cavity, a heating cavity and a vaporization cavity, and the heating element is arranged in the heating cavity;
in an embodiment of the present invention, the housing main body further includes a first cover plate, the housing main body is provided with a first communication port communicating with the accommodating cavity, the first cover plate is detachably covered on the first communication port, and the first cover plate and the side wall of the housing main body surround to form the vaporization cavity;
and/or the shell main body further comprises a second cover plate, the shell main body is provided with a second communicating opening communicated with the accommodating cavity, the second cover plate is detachably covered on the second communicating opening and surrounds the side wall of the shell main body to form the heat storage cavity;
in an embodiment of the invention, when the housing main body further includes a first cover plate, the inlet is disposed on the first cover plate, and the outlet is disposed on the housing main body.
The invention also provides a steam generating device which comprises a water tank and the steam generator, wherein the water tank is communicated with the steam generator.
The invention also provides a steam appliance, which comprises the steam generator, wherein the steam appliance is a steamer, a steam box, a garment steamer or an iron;
or, the steam generating device is included, and the steam appliance is a steamer, a steam box, a garment steamer or an iron.
According to the technical scheme, the heat storage piece is adopted, the heat storage cavity and the vaporization cavity are arranged in the shell, and the heat storage piece is arranged in the heat storage cavity. When the heating element between the heat storage cavity and the vaporization cavity heats, the heat storage element arranged in the heat storage cavity starts to absorb and store the heat energy generated by the heating element.
Therefore, when using the steam generator, the steam generator may be first powered on. At this time, the heat generating member provided in the case starts to generate heat, and the generated heat energy is absorbed and stored by the heat storage member. When the steam generator is required to generate steam, liquid enters the shell from the inlet, heat energy is released through the heat storage piece, the liquid entering the shell continuously absorbs heat and is vaporized, and finally the liquid is sprayed out from the outlet. The steam generator who so sets up because the heat-retaining characteristic of heat accumulation spare can absorb the heat energy that the storage or release heating element produced when charging according to the user demand to can realize steam generator's outage heating, and then make its steam utensil of making can portable use, thereby improve the advantage that the user used experience.
Meanwhile, when the steam generator is electrified for use, under the electrifying mode, the liquid is directly heated and vaporized by the heat energy generated by the heating element after being introduced into the vaporizing cavity from the inlet and is sprayed out from the outlet. When the steam generator is used in a power-on mode, heat energy generated by one side, close to the vaporization cavity, of the heating part can be directly and efficiently utilized by liquid in the vaporization cavity, heat energy generated by one side, close to the heat storage cavity, of the heating part can be absorbed and stored by the heat storage part, and then the heat energy is transmitted to the vaporization cavity from the heat storage cavity and then is secondarily utilized. The technical scheme provided by the invention can also improve the utilization rate of heat energy and the efficiency of steam generation, thereby saving energy.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of an embodiment of a steam generator according to the present invention;
FIG. 2 is a schematic view of a steam generator according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic diagram of an inner structure of a heat storage chamber of the steam generator shown in FIG. 2;
FIG. 5 is a schematic diagram of the internal structure of the vaporization chamber of the steam generator of FIG. 2;
fig. 6 is a schematic flow diagram of a heat conducting channel according to an embodiment of the steam generator of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| |
100 | |
50 | |
| |
10 | Heat conducting plate | 70 | |
| |
| Guide channel | 70a | |
| |
10b | |
71 | |
| An |
10c | First |
71a | |
| An |
10d | |
711 | |
| Shell |
11 | Connecting |
713 | |
| |
11a | A |
715 | |
| Second communicating |
11b | |
73 | |
| |
111 | Second |
73a | |
| |
113 | |
91 | |
| |
13 | |
93 | |
| |
30 | |
95 |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention proposes a steam generator 100.
Referring to fig. 1 to 3, in an embodiment of the present invention, a steam generator 100 includes a case 10, a heat generating member 30, and a heat accumulating member (not shown). The housing 10 has a heat storage chamber 10b and a vaporization chamber 10a formed therein, and the housing 10 is provided with an inlet 10c and an outlet 10d communicating with the vaporization chamber 10 a. The heat generating member 30 is disposed in the housing 10 and between the heat storage chamber 10b and the vaporization chamber 10 a. The heat accumulating member is provided in the heat accumulating chamber 10b, and the heat accumulating member serves to accumulate and release heat energy generated from the heat generating member 30.
The material of the housing 10 of the present application can be made of a heat conductive material, such as a metal heat conductive material. When provided, the thermal conductivity of the case 10 may be made greater than that of the heat storage member, thereby further improving the heat storage efficiency of the heat storage member. The shape of the housing 10 can be set according to the requirement, for example, it is set to be square or cylindrical, etc., and will not be described herein. Preferably in a regular square or cylindrical shape for ease of assembly and manufacture.
The heating member 30 in this application can be a heating tube, an electric heating plate, or other electric heating elements capable of heating the heating member 30 when power is supplied. For example, when the heat generating member 30 is a heat generating tube, at least one opening may be formed in the sidewall of the housing 10 for the end of the heat generating tube to pass through.
For example, in an embodiment of the present application, the material used for the heat storage member is a phase-change material, and the phase-change material may be a solid-solid phase-change heat storage material, a solid-liquid phase-change heat storage material, or a solid-gas phase-change heat storage material, for example: paraffin, polyethylene, nitrate and sulfate, etc. Because the phase-change material has the heat storage characteristic, the heat storage member made of the phase-change material can better realize the power-off heating effect of the steam generator 100 provided by the invention. Of course, other phase change materials can be adopted, the shape of the phase change materials can be granular, and the phase change materials are arranged in a filling mode, so that the phase change materials are convenient to install and arrange. It is also possible to provide the plate or block as a whole, all within the scope of protection of the present application.
According to the technical scheme, the heat storage piece is adopted, the heat storage cavity 10b and the vaporization cavity 10a are arranged in the shell 10, and the heat storage piece is arranged in the heat storage cavity 10 b. When the heat generating member 30 located between the heat storage chamber 10b and the vaporization chamber 10a generates heat, the heat storage member disposed in the heat storage chamber 10b starts to absorb the heat energy generated by the heat generating member 30. Therefore, when the steam generator 100 is used, the steam generator 100 may be first energized. At this time, the heat generating member 30 provided in the case 10 starts to generate heat, and the generated thermal energy is absorbed and stored by the heat storage member. When it is necessary to generate steam using the steam generator 100, the liquid enters the housing 10 through the inlet 10c, and the heat energy is released from the heat storage member, so that the liquid entering the housing 10 is vaporized while absorbing heat, and finally is ejected through the outlet 10 d. The steam generator 100 who so sets up because the heat-retaining characteristic of heat accumulation spare can absorb the heat energy that the storage or release when charging produced 30 according to the user demand to can realize steam generator 100's outage heating, and then make its steam utensil of making can portable use, thereby improve the advantage that the user used experience.
With the above technical solution, the using method of the steam generator 100 provided by the present invention may further include: the steam generator 100 is directly powered on, and in this power-on mode, the liquid is directly heated and vaporized by the heat energy generated by the heat generating member 30 after being introduced into the vaporization chamber 10a from the inlet 10c and is sprayed out from the outlet 10 d. When the steam generator 100 is used in the power-on mode, the heat energy generated by the side of the heat generating member 30 close to the vaporization chamber 10a can be directly and efficiently utilized by the liquid introduced into the vaporization chamber 10a, and the heat energy generated by the side of the heat generating member 30 close to the heat storage chamber 10b can be absorbed and stored by the heat storage member, and then transferred from the heat storage chamber 10b to the vaporization chamber 10a and then reused. The technical scheme provided by the invention can also improve the utilization rate of heat energy, thereby saving energy.
In order to facilitate heat transfer between the heat storage member and the heat generating member 30, in an embodiment of the present application, referring to fig. 4, a heat conducting fin 50 is further disposed in the heat storage chamber 10b, and at least a portion of the heat storage member covers the heat conducting fin 50.
The arrangement of the heat conduction fins 50 improves the utilization rate of the heat storage member in absorbing and releasing heat energy generated by the heating element, improves the heat transfer efficiency, accelerates the heat absorption and heat release rates of the heat storage member, and reduces the heat energy loss. When the heat conductive fins 50 are provided, the thermal conductivity of the fins may be set higher than that of the heat storage member, thereby further enhancing the efficiency of heat conduction.
With further reference to fig. 4, the number of the heat conducting fins 50 is multiple, the heat conducting fins 50 are arranged at intervals, and the heat storage member is filled between at least two adjacent heat conducting fins 50.
A plurality of heat conductive fins 50 are spaced apart such that two adjacent heat conductive fins 50 form a space for filling the installation. As above, the heat accumulation piece can be set to be granular, and the mode of filling is arranged the heat accumulation piece in the installation space between the heat conduction fins 50, thereby make the heat accumulation piece can be abundant contact with the heat conduction fins 50, increase the area of contact of heat accumulation piece and heat conduction fins 50, and then better promotion heat transfer efficiency of heat accumulation piece, guarantee from import 10c get into the liquid of vaporization chamber 10a can be vaporized into gas by the heat energy heating that the heat accumulation piece released more fast, improve the vaporization rate.
Of course, the heat-conducting fins 50 may also be a complete whole, and the heat-conducting fins 50 are bent and arranged in the heat storage cavity 10b, and form a heat-transferring groove with the cavity wall of the heat storage cavity 10b, and the heat-storing member is filled in the heat-transferring groove. The arrangement is also to increase the contact area between the heat storage member and the heat conduction fins 50, enhance the heat transfer efficiency of the heat storage member, ensure that the liquid entering the casing 10 can be vaporized more quickly, and improve the vaporization rate.
It is understood that the heat conducting fins 50 may be integrally formed on the inner sidewall of the heat storage chamber 10b for simple manufacture, or may be separately installed in the heat storage chamber 10b for easy installation and maintenance.
In order to improve the heat transfer efficiency of the heat storage member in the heat storage chamber 10b in the above-mentioned embodiment, the following is a scheme of improving the heat transfer efficiency in the vaporization chamber 10 a:
referring to fig. 5 and 6 in combination, in an embodiment of the present application, a heat conducting plate 70 is disposed in the vaporization chamber 10a, and the heat conducting plate 70 and the inner wall of the vaporization chamber 10a enclose to form a heat conducting channel. The heat conductive plate 70 is provided to increase a heat dissipation area of heat energy, thereby improving a heating efficiency of heat energy. Meanwhile, the heat conducting plate 70 encloses to form a heat conducting channel, thereby prolonging the vaporization time of the liquid after entering the vaporization chamber 10a and improving the vaporization efficiency.
Further, the heat conductive plate 70 includes a first heat conductor 71 and a second heat conductor 73; the first heat conductor 71 comprises a heat conducting body 711, and the heat conducting body 711 and the inner wall of the vaporization chamber 10a enclose to form a first heat conducting groove 71a with a first opening (not shown); the second heat conducting body 73 and the inner wall of the vaporization chamber 10a enclose a first heat conducting groove 73a having a second opening (not labeled in the figure), the first heat conducting groove 73a is located in the first heat conducting groove 71a, a guiding channel 70a is formed between the heat conducting body 711 and the second heat conducting body 73, the first opening and the second opening are arranged in the same direction, the projection (B in fig. 6) of the inlet 10c is located in the guiding channel 70a, and the outlet 10d is located outside the guiding channel 70 a.
The guide channel 70a is surrounded by the heat conductive body 711 and the second heat conductor 73. The projection of the inlet 10c is located between the heat conducting body 711 and the second heat conducting body 73, and the outlet 10d is located outside the sidewall of the heat conducting body 711 far from the first heat conducting groove 71a, for example, the outlet 10d may be located on the sidewall of the vaporization chamber 10a opposite to the opening direction of the first heat conducting groove 71a and the first heat conducting groove 73 a. The liquid enters the vaporization chamber 10a from the inlet 10c and then falls into the guide channel 70a between the heat conduction body 711 and the second heat conduction body 73, the liquid entering the vaporization chamber 10a from the inlet 10c is divided into two parts by the guide channel 70a formed between the heat conduction body 711 and the second heat conduction body 73, and the unvaporized liquid and the vaporized gas flow through the guide channel 70a and then flow to the outlet 10d along the side wall of the heat conduction body 711 far away from the first heat conduction groove 71a, so that the flow path of the liquid is increased, and the heating efficiency is improved.
In combination with the above solution, it may be further provided that the first heat conductor 71 further includes a connecting portion 713 and a bent portion 715, and the bent portion 715 is connected to the end of the heat conducting main body 711 through the connecting portion 713 and extends toward the first heat conducting groove 73a through the second opening.
The liquid enters the vaporization chamber 10a from the inlet 10c and then falls into the guide channel 70a between the heat conducting main body 711 and the second heat conducting body 73, the liquid that is not completely vaporized and the gas generated by vaporization are divided into two parts by the guide channel 70a, and the two parts flow through the guide channel 70a, then flow to an extended channel formed by the surrounding of the side wall of the second heat conducting body 73 facing the connecting part 713 and the bending part 715 and the side wall of the second heat conducting body 73 facing the first heat conducting groove 73a, then flow to the side wall of the heat conducting main body 711 away from the first heat conducting groove 71a along the side wall of the bending part 715 away from the extended channel, and finally flow to the outlet 10 d. The additional arrangement of the connecting portion 713 and the bending portion 715 on the first heat conductor 71 prolongs the length of the heat conducting channel, lengthens the flow path of the liquid, improves the heating efficiency, and makes the heating speed uniform and the energy utilization rate high.
A plurality of resistance plates 95 may be further disposed at intervals on the heat conducting channel, and the height of the resistance plates 95 is lower than the height of the first heat conductor 71 and the second heat conductor 73. The baffle 95 may be disposed at intervals in the guide passage 70a, the extension passage, and the flow passage defined by the heat conductive body 711 and the inner wall of the vaporization chamber 10 a.
The baffle 95 is disposed to block the liquid whose vaporization is not completed from flowing from the inlet 10c to the outlet 10d, thereby ensuring the rate of completion of vaporization of the liquid. The steam appliance such as a garment steamer, an ironing machine and the like manufactured by using the steam generator 100 can avoid the phenomenon that the sprayed liquid wets clothes. Meanwhile, the baffle 95 can also reduce the width of the heat conducting channel, so that the liquid can be uniformly and finely sprayed out from the outlet 10d after being vaporized.
To further enhance the heat transfer efficiency within the vaporization chamber 10a, referring to fig. 5, the vaporization chamber 10a may be configured as: the inner wall of the vaporization chamber 10a adjacent to the heat generating member 30 (which may be the lower wall of the vaporization chamber 10a in fig. 5) is convexly provided with a heat conducting protrusion 91. The heat conduction protrusions 91 are provided in plural, and the heat conduction protrusions 91 may be specifically provided on the inner wall surface of the vaporization chamber 10a close to the heat storage chamber 10 b. The heat conductive protrusions 91 increase the heat transfer area of the steam generator 100, increase the contact area of the liquid with the heat transfer portion inside the case 10, and improve the heating efficiency of the steam generator 100 and the vaporization efficiency of the liquid.
In order to improve the heating efficiency and the vaporization efficiency of the liquid, heat conducting ribs 93 may be protruded on the surface of the heat conducting channel where the heat conducting plate 70 is located. The heat conducting ribs 93 are provided for increasing the contact area of the liquid with the heat transfer portion in the casing 10. The heat conductive ribs 93 may be provided on one or both sides of the heat conductive plate 70, and may be provided on the inner sidewall of the vaporization chamber 10 a.
In providing the housing 10 of the steam generator 100 of the present application, with combined reference to fig. 2 and 3, the following embodiments may be employed: the housing 10 includes a housing main body 11 and a partition plate 13, an accommodating chamber is formed in the housing main body 11, and the inlet 10c and the outlet 10d are provided in the housing main body 11 and communicate with the accommodating chamber. The partition plate 13 is disposed in the accommodating chamber and divides the accommodating chamber into a heat storage chamber 10b and a vaporization chamber 10a, and the heat generating member 30 is connected to the partition plate 13.
The partition plate 13 is arranged to reasonably divide the accommodating cavity into the heat storage cavity 10b and the vaporization cavity 10a, so that the heating element 30 for generating heat energy can be stably connected with the shell body 11 through the partition plate 13. Meanwhile, the heating element 30 is connected to the partition plate 13 dividing the accommodating cavity into the heat storage cavity 10b and the vaporization cavity 10a, and heat energy generated by the heating element 30 can be efficiently and rapidly transmitted to the heat storage cavity 10b and the vaporization cavity 10a on two sides of the partition plate 13, so that the steam generator 100 is ensured to be used in a charging mode or a power-off mode, and enough heat energy can be obtained to rapidly and efficiently vaporize liquid entering the shell 10 of the steam generator 100. Furthermore, the partition plate 13 is provided so that the heat energy generated from the heat storage member 30 in the charging mode or the heat energy generated from the heat storage member in the power-off mode can be uniformly transferred to the vaporization chamber 10a, and the vaporized gas can be uniformly ejected from the outlet 10 d. It is understood that the partition plate 13 may be integrally formed on the inner side wall of the housing main body 11, or may be separately disposed in the accommodating cavity for easy installation and maintenance.
When the steam generator 100 is provided with the partition plate 13, the heat-conducting fins 50 can be abutted between the partition plate 13 and the inner wall of the heat storage chamber 10b, and the arrangement enables the heat generated by the heat generating member 30 to be better transferred to the heat storage chamber 10b and absorbed and stored by the heat storage member during the heat generation by electrifying. When the heat storage member releases the heat energy, the heat energy can be better transferred to the vaporization chamber 10a through the heat conductive fins 50 and the partition plate 13, and the heat transfer effect of the steam generator 100 and the vaporization efficiency in the vaporization chamber 10a are improved.
Referring to fig. 2 and 3, the number of the partition plates 13 is one, and the heat generating member 30 is embedded in the partition plates 13. The arrangement of embedding the heating member in the partition plate 13 allows the heat energy generated by the heating member 30 to directly contact with the heat storage member or the liquid flowing into the vaporization chamber 10a, thereby reducing the loss of the heat energy and enabling the heat energy generated by the heating member 30 to be more efficiently utilized.
The number of the partition plates 13 may be at least two, at least two partition plates 13 are oppositely disposed to partition the accommodating chamber into a heat storage chamber 10b, a heating chamber (not shown) and a vaporization chamber 10a, and the heat generating member 30 is disposed in the heating chamber. The heat generating member 30 is disposed in the chamber formed by the two partition plates 13, so that the surface of the heat generating member 30 is better prevented from being affected by the heat storage member or the liquid entering the vaporization chamber 10a, the loss of the heat generating member 30 is reduced, and the service life of the heat generating member 30 is prolonged.
Referring to fig. 1 to 4, in order to further facilitate the overall assembly of the components in the housing 10, in an embodiment of the present application, the housing main body 11 further includes a first cover plate 111, the housing main body 11 is provided with a first communication port 11a communicating with the accommodating cavity, and the first cover plate 111 is detachably covered on the first communication port 11a and encloses with a side wall of the housing main body 11 to form a vaporization cavity 10 a. The first cover plate 111 is arranged to facilitate opening of the vaporization chamber 10a, facilitate cleaning of dirt generated in the vaporization chamber 10a, and facilitate replacement of components in the vaporization chamber 10a, thereby ensuring heat transfer efficiency and liquid vaporization efficiency of the steam generator 100, and enabling the steam generator 100 to function efficiently for a long time.
Of course, similar to the design of the first cover plate 111, the housing main body 11 may further include a second cover plate 113, the housing main body 11 is provided with a second communication port 11b communicating with the accommodating cavity, and the second cover plate 113 is detachably covered on the second communication port 11b and encloses with the side wall of the housing main body 11 to form the heat storage cavity 10 b. The second cover plate 113 is convenient for cleaning the heat storage bin, so that the heat storage member and the heat conducting fins 50 can be supplemented or replaced in time, and the heat energy output and the heat transfer efficiency of the steam generator 100 during power-off heating are ensured.
Further, when the housing 10 further includes the first cover 111, the inlet 10c is disposed on the first cover 111, and the outlet 10d is disposed on the housing body 11. The inlet 10c is disposed on the first cover plate 111 so that the liquid can directly contact the partition plate 13 after entering the vaporization chamber 10a due to gravity, and the vaporization efficiency of the liquid can be improved due to the higher temperature of the partition plate 13 during the heat transfer process.
The present invention further provides a steam generating device (not shown), the steam generating device includes a steam generator 100, the specific structure of the steam generator 100 refers to the above embodiments, and since the steam generating device adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are provided, and no further description is given here.
Wherein the steam generating device further comprises a water tank (not shown) in communication with the steam generator 100, through which the steam generator 100 is supplied with a liquid.
Adopt the steam generating device of this application, when using, the liquid of water tank produces steam to steam generator 100 department via the pipeline, can set up the water pump on this pipeline and draw water. It is also possible to provide a descaling device on the piping between the water tank and the steam generator 100. Thus, when in use, the descaling device releases the descaling agent, and the water mixed with the water output from the water tank enters the cavity in the steam generator 100 for descaling, thereby prolonging the service life of the steam generator 100. The water pump can be an electromagnetic pump, so that the water pump can be conveniently and intelligently controlled to be opened and closed. The steam generator 100 may further be connected to a steam nozzle, and the steam nozzle increases the speed of the injected steam, so as to further facilitate the utilization of the injected steam.
The invention also proposes a steaming appliance (not shown) being a steamer, a steam box, a garment steamer or an iron or the like. The steam appliance includes a steam generating device including a steam generator 100, and the specific structure of the steam generator 100 refers to the above embodiments, and since the steam appliance adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (14)
1. A steam generator, comprising:
the heat storage device comprises a shell, a heat storage cavity and a vaporization cavity are formed in the shell, and the shell is provided with an inlet and an outlet which are communicated with the vaporization cavity;
the heating element is arranged in the shell and is positioned between the heat storage cavity and the vaporization cavity; and
the heat storage part is arranged in the heat storage cavity and used for storing and releasing heat energy generated by the heating part.
2. The steam generator of claim 1, wherein the heat storage member is made of a phase change material.
3. The steam generator of claim 1, wherein the heat storage chamber further comprises heat conductive fins, and at least a portion of the heat storage member covers the heat conductive fins.
4. The steam generator of claim 3, wherein the number of the heat conducting fins is plural, the plural heat conducting fins are arranged at intervals, and the heat accumulating member is filled between at least two adjacent heat conducting fins;
or the heat conducting fins are arranged in the heat storage cavity in a bending mode, a heat transfer groove is formed between the heat conducting fins and the wall of the heat storage cavity, and the heat storage piece is filled in the heat transfer groove.
5. The steam generator of claim 1, wherein a heat conducting plate is disposed in the vaporization chamber, and the heat conducting plate and an inner wall of the vaporization chamber enclose to form a heat conducting channel.
6. The steam generator of claim 5, wherein the thermally conductive plate comprises a first thermally conductive body and a second thermally conductive body;
the first heat conductor comprises a heat conducting main body, the heat conducting main body and the inner wall of the vaporization cavity enclose to form a first heat conducting groove with a first opening, the second heat conductor and the inner wall of the vaporization cavity enclose to form a second heat conducting groove with a second opening, and the second heat conducting groove is positioned in the first heat conducting groove;
a guide channel is formed between the heat conduction main body and the second heat conductor, the first opening and the second opening are arranged in the same direction, the projection of the inlet is positioned in the guide channel, and the outlet is positioned outside the guide channel.
7. The steam generator of claim 6, wherein the first heat conductor further comprises a connecting portion and a bent portion, wherein the bent portion is connected to an end of the heat conductive body through the connecting portion and extends toward the second heat conductive groove via the second opening.
8. The steam generator of claim 5, wherein the inner wall of the vaporization chamber adjacent to the heat generating member is convexly provided with a heat conducting protrusion;
and/or the surface of the heat conduction channel where the heat conduction plate is located is convexly provided with heat conduction ribs.
9. The steam generator of claim 1, wherein the housing comprises:
the shell body is internally provided with an accommodating cavity, and the inlet and the outlet are arranged on the shell body and are communicated with the accommodating cavity; and
the partition plate is arranged in the containing cavity and divides the containing cavity into a heat storage cavity and a vaporization cavity, and the heating piece is connected to the partition plate.
10. The steam generator of claim 9, wherein the number of the partition plates is one, and the heat generating member is embedded in the partition plate;
or, the quantity of division board is at least two, at least two the division board sets up relatively, will the holding chamber is separated for heat storage chamber, heating chamber and vaporization chamber, the piece that generates heat is located the heating intracavity.
11. The steam generator of claim 9, wherein the housing further comprises a first cover plate, the housing defines a first communication opening communicating with the accommodating cavity, the first cover plate is detachably covered on the first communication opening and surrounds the side wall of the housing to form the vaporization cavity;
and/or the shell main body further comprises a second cover plate, the shell main body is provided with a second communicating opening communicated with the accommodating cavity, and the second cover plate can be detachably covered on the second communicating opening and is surrounded with the side wall of the shell main body to form the heat storage cavity.
12. The steam generator of claim 11, wherein when the housing body further includes a first cover plate, the inlet is disposed in the first cover plate and the outlet is disposed in the housing body.
13. A steam generating device comprising a water tank and a steam generator according to any one of claims 1 to 12, said water tank being in communication with said steam generator.
14. A steaming appliance comprising a steam generator according to any one of claims 1 to 12, the steaming appliance being a steamer, a steam box, a garment steamer or an iron;
alternatively, comprising a steam generating device as claimed in claim 13, the steam appliance being a steamer, a steam box, a garment steamer or an iron.
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|---|---|---|---|
| CN202011006799.7A CN114251639B (en) | 2020-09-22 | 2020-09-22 | Steam generator, steam generating device and steam appliance |
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| CN202011006799.7A CN114251639B (en) | 2020-09-22 | 2020-09-22 | Steam generator, steam generating device and steam appliance |
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| CN114251639B (en) | 2023-12-12 |
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