WO2022121357A1 - Générateur de vapeur et dispositif électrique - Google Patents

Générateur de vapeur et dispositif électrique Download PDF

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Publication number
WO2022121357A1
WO2022121357A1 PCT/CN2021/112801 CN2021112801W WO2022121357A1 WO 2022121357 A1 WO2022121357 A1 WO 2022121357A1 CN 2021112801 W CN2021112801 W CN 2021112801W WO 2022121357 A1 WO2022121357 A1 WO 2022121357A1
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WO
WIPO (PCT)
Prior art keywords
steam
water
channel
sub
heating
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PCT/CN2021/112801
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English (en)
Chinese (zh)
Inventor
苏杭
奚伟永
程福萍
奚俊男
司鹏
唐相伟
Original Assignee
江苏美的清洁电器股份有限公司
美的集团股份有限公司
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Application filed by 江苏美的清洁电器股份有限公司, 美的集团股份有限公司 filed Critical 江苏美的清洁电器股份有限公司
Publication of WO2022121357A1 publication Critical patent/WO2022121357A1/fr

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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00—Control systems for 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
    • F22B37/26—Steam-separating arrangements

Definitions

  • the present application relates to the field of electrical equipment, in particular to a steam generator and electrical equipment.
  • Steam generators in electrical equipment such as steam mops, steam irons, and steam boxes usually use heating pipes as heat sources.
  • the heating pipes heat the water injected into the steam generator until the water turns into steam and then sprays out from the steam outlet .
  • a thermostat In order to protect the steam generator, a thermostat is generally installed on the steam generator. When there is anhydrous dry burning in the steam generator, the thermostat trips, the heating tube stops heating, and the steam generator gradually cools down. , when the temperature at the detection position drops to the recovery temperature of the thermostat, the thermostat is reconnected, and the heating tube starts to heat again.
  • the steam generator should not only move with the steam mop, but also change the usage angle with the steam mop according to the different usage scenarios, for example, when the steam mop works on a horizontal surface , the steam generator is in a horizontal working state. When the steam mop works on an inclined surface, the steam generator becomes an inclined working state. However, when the steam mop in the related art works on an inclined surface, the temperature control on the steam generator The steam mop is prone to over-temperature tripping and the steam mop cannot work properly.
  • the embodiments of the present application are expected to provide a steam generator and electrical equipment that can work normally at various angles.
  • a steam generator including:
  • the casing has a water inlet
  • a heating component the heating component includes a heating core and a heating tube arranged in the heating core, and a partial area of the heating core is arranged in the outer shell, so that the outer shell is formed between the heating core and the outer shell.
  • the water inlet channel, the first water boiling chamber and the second water boiling chamber between the shells, the first water boiling chamber and the second water boiling chamber are respectively located on opposite sides of the water inlet channel along the extending direction , the water inlet is communicated with the water inlet channel, and the steam outlet is communicated with the first water boiling chamber and the second water boiling chamber;
  • a thermostat at least a part of the area of the bottom wall corresponding to the water inlet channel forms a temperature sensing area of the thermostat, and the setting position of the temperature sensing area satisfies: the water flows from the water inlet to the first boiling water The water flow of the cavity and the water flow from the water inlet to the second water boiling cavity both flow through at least a part of the temperature sensing area; the thermostat is arranged on the outer surface of the temperature sensing area and is connected to the The heating pipes are connected in series.
  • the water inlet is located on the upper side of the bottom wall corresponding to the water inlet channel, and the temperature sensing area extends from right below the water inlet to opposite sides of the water inlet channel along the extending direction. ;and / or,
  • the water inlet flow rate of the water inlet is greater than the water outlet flow rate of the water inlet channel.
  • the casing is further formed with a steam flow channel between the heating core and the casing, and the start end of the steam flow channel along the steam flow direction is connected to the first water boiling cavity and the The second water boiling cavity is communicated with, and the end of the steam flow channel along the steam flow direction is communicated with the steam outlet.
  • a steam-water separation chamber is further formed in the housing between the heating core and the housing, and the steam flow channel passes through the steam-water separation chamber; and/or,
  • the heating core has a secondary heating channel running through the heating core, the start end of the secondary heating channel along the steam flow direction is communicated with the end of the steam flow channel along the steam flow direction, and the secondary heating channel is along the steam flow direction.
  • the end of the flow direction forms the steam outlet.
  • the heating core includes a core body and an end cap connected to a bottom end of the core body;
  • the core body is arranged in the outer casing, the end cover is arranged outside the outer casing and is connected with the outer casing, and the thermostat is attached to the surface of the end cover away from the water inlet channel. .
  • the heating core further comprises a first bent plate and a second bent plate disposed on the same side of the core body, the first bent plate and the second bent plate are along the transverse direction of the core body interval setting;
  • first bent plate is connected with the end cover, and the other end of the first bent plate extends toward the top side of the core body and is bent toward the direction close to the second bent plate, the core
  • the body, the first curved plate, the end cover and the outer shell together define the first boiling water cavity with a first opening; one end of the second curved plate is connected to the end cover, so The other end of the second bent plate extends toward the top side of the core body and is bent toward the direction close to the first bent plate, the core body, the second bent plate, the end cap and the The shell together defines the second water boiling cavity with a second opening; the water inlet channel is formed between the first opening and the second opening.
  • the heating core further includes a first separator disposed between the first opening and the second opening;
  • the first separator is connected to the core and is spaced from the end cap, and the water inlet channel is formed between the first separator and the end cap.
  • the first baffle divides the first opening into a first inlet in communication with the water inlet channel and a first outlet in communication with the steam outlet
  • the first baffle divides the first opening into a first inlet in communication with the water inlet channel and a first outlet in communication with the steam outlet
  • the second opening is divided into a second inlet communicated with the water inlet channel and a second outlet communicated with the steam outlet.
  • both the first curved plate and the second curved plate are in sealing contact with the inner surface of the housing; and/or,
  • the first baffle is in sealing contact with the inner surface of the housing.
  • the heating core further includes a plurality of first water hanging parts and a plurality of second water hanging parts, a plurality of the first water hanging parts are arranged at intervals in the first water boiling cavity, and a plurality of the first water hanging parts are arranged at intervals in the first water boiling cavity.
  • the second water-hanging members are arranged at intervals in the second water-boiling cavity.
  • a steam flow channel is further formed between the core body and the outer shell, and the steam flow channel includes a first sub-flow channel and a second sub-flow channel;
  • the start end of the first sub-flow channel along the steam flow direction is communicated with the first water boiling cavity
  • the end of the first sub-flow channel along the steam flow direction is communicated with the steam outlet
  • the second sub-flow channel is connected with the steam outlet.
  • the beginning end of the channel along the steam flow direction is communicated with the second water boiling cavity
  • the end end of the second sub-flow channel along the steam flow direction is communicated with the steam outlet.
  • the core body has a first side wall and a second side wall oppositely arranged and a third side wall and a fourth side wall oppositely arranged; the first curved plate and the second curved plate are arranged On the first side wall, the second side wall is located on the side of the first curved plate away from the second curved plate, and the fourth side wall is located on the second curved plate away from the first curved plate one side of a bent plate;
  • the heating core further includes a second partition plate and a third partition plate arranged on the first side wall, and the second partition plate sets the interval between the first curved plate and the second curved plate , the third partition plate is arranged on the top side of the first curved plate and the second curved plate, the core body, the first curved plate, the second partition plate, the third curved plate.
  • the partition plate and the shell together define a first sub-section of the first sub-channel, the core body, the second curved plate, the second partition plate, the third partition plate and the the outer shell together encloses the first sub-section of the second sub-flow channel; and/or,
  • the heating core further includes a fourth partition plate arranged on the second side wall and a fifth partition plate arranged on the fourth side wall; the fourth partition plate extends from the second side wall.
  • the top side extends to the bottom side of the second side wall and is spaced from the end cover, and the core body, the first bent plate, the fourth partition plate and the outer shell together surround the a second sub-portion of the first sub-channel, the fifth baffle extends from the top side of the fourth side wall to the bottom side of the fourth side wall and is spaced from the end cap, the core
  • the body, the second curved plate, the fifth partition plate and the outer casing together define a second sub-portion of the second sub-channel.
  • a steam-water separation cavity is formed between the third side wall and the housing, and the heating core further includes at least one steam-water separation plate disposed in the steam-water separation cavity;
  • At least one of the steam-water separation plates divides the steam-water separation chamber into a plurality of the sub-separation chambers arranged in layers along the vertical direction.
  • the end of the sub-section and the end of the second sub-section of the second sub-flow channel are respectively communicated with the sub-separation chamber on the bottommost side of the steam-water separation chamber, and the steam outlet is located at the steam-water separation chamber.
  • the topmost sub-separation chambers communicate.
  • the heating core has a secondary heating channel penetrating from the top side of the heating core to the bottom side of the heating core, and the top of the secondary heating channel is formed at the most position with the steam-water separation chamber.
  • the steam inlet is communicated with the sub-separation chambers on the top side, and the steam outlet is formed at the bottom end of the secondary heating channel.
  • the heating core further comprises a first shroud and a second shroud disposed on the top wall of the core, the first shroud having a third outlet;
  • the first enclosure is arranged around the periphery of the steam inlet
  • the second enclosure is arranged around the side of the first enclosure away from the steam inlet
  • the first enclosure is connected to the steam inlet.
  • a channel having a third inlet and a fourth inlet is formed between the second enclosure plates, and the third inlet and the fourth inlet are respectively communicated with the sub-separation chamber located at the topmost side of the steam-water separation chamber;
  • the area of the channel between the third inlet and the third outlet is the third subsection of the first sub-channel, and the channel is between the fourth inlet and the third outlet
  • the region is the third sub-section of the second sub-channel.
  • the third baffle, the fourth baffle, and the fifth baffle are all in sealing contact with the inner surface of the housing; and/or,
  • the first enclosure is in sealing contact with the inner surface of the housing.
  • the steam generator further includes a fuse, the fuse is disposed on the end cap and connected in series with the heating pipe.
  • Another aspect of the embodiments of the present application provides an electrical apparatus, including the above-mentioned steam generator.
  • the embodiment of the present application provides a steam generator and electrical equipment.
  • a water inlet channel, a first water boiling chamber and a second water boiling chamber are arranged between the heating core and the outer casing of the steam generator.
  • the second boiling water cavities are located on opposite sides of the water inlet channel along the extending direction, and at least part of the bottom wall corresponding to the water inlet channel forms the temperature sensing area of the thermostat.
  • the water flow of the first water-boiling chamber and the water flow from the water inlet to the second water-boiling chamber both flow through at least part of the temperature sensing area; the thermostat is arranged on the outer surface of the temperature sensing area and is connected in series with the heating tube.
  • the temperature sensing area When the steam generator is in the positive discharge state, no matter whether the steam generator is in the horizontal positive discharge state or the inclined positive discharge state, the temperature sensing area will not have dry burning without water.
  • the temperature can always be kept below the operating temperature set by the thermostat, and the thermostat will not trip over temperature, so that the heating tube can be kept in the heating state, and the steam generator can be kept in the heating state.
  • the temperature can always be kept below the operating temperature set by the thermostat, and the thermostat will not trip over temperature, so that the heating tube can be kept in the heating state, and the steam generator can be kept in the heating state.
  • FIG. 1 is a schematic structural diagram of a steam generator in an inverted state according to an embodiment of the application
  • Fig. 2 is a front view of the steam generator shown in Fig. 1 in an inverted state
  • Fig. 3 is the left side view of Fig. 2;
  • Fig. 4 is an exploded view of the steam generator shown in Fig. 1 from a perspective;
  • FIG. 5 is an exploded view of the steam generator shown in FIG. 1 from another perspective;
  • FIG. 6 is a schematic structural diagram of the heating core shown in FIG. 5;
  • Fig. 7 is the structural representation of the housing shown in Fig. 5;
  • Fig. 8 is a front view of the steam generator shown in Fig. 1 in a horizontal and upright state, the symbol "x" in the water inlet channel in the figure indicates the water inlet position of the water inlet, and the continuous arrows in the water inlet channel indicate the flow of water , the continuous arrows in the first sub-channel and the second sub-channel indicate the direction of steam flow;
  • Fig. 9 is a front view of the steam generator shown in Fig. 8 in an inclined upright state, the symbol "x" in the water inlet channel in the figure represents the water inlet position of the water inlet, and the continuous arrows in the water inlet channel indicate the water inlet position.
  • the direction of water flow, the continuous arrow in the second sub-channel indicates the direction of steam flow;
  • Fig. 10 is a front view of the steam generator shown in Fig. 8 in another inclined upright state, the symbol "x" in the water inlet channel in the figure represents the water inlet position of the water inlet, and the continuous arrows in the water inlet channel Indicates the direction of water flow, and the continuous arrows in the first sub-channel indicate the direction of steam flow;
  • Fig. 11 is the left side view of Fig. 8, the continuous arrow in the figure indicates the direction of steam flow;
  • Fig. 12 is a right side view of Fig. 8, in which the continuous arrows indicate the direction of steam flow;
  • Fig. 13 is the rear view of Fig. 8, the continuous arrow in the figure indicates the direction of steam flow;
  • FIG. 14 is a schematic structural diagram of the steam generator shown in FIG. 1 in a horizontal positive release state, and the continuous arrows in the figure indicate the direction of steam flow.
  • FIG. 1 to FIG. 8 An embodiment of the present application provides a steam generator, please refer to FIG. 1 to FIG. 8 , which includes a steam outlet 2102 a , a housing 100 , a heating component 200 and a thermostat 600 .
  • the housing 100 has a water inlet 100a;
  • the heating assembly 200 includes a heating core 210 and a heating tube 220 arranged in the heating core 210, and a part of the heating core 210 is arranged in the housing 100, so that the heating core 210 and the housing are formed in the housing 100
  • the water inlet channel 2101a, the first water boiling chamber 2101b and the second water boiling chamber 2101c between the The water inlet 100a is communicated with the water inlet channel 2101a, and the steam outlet 2102a is communicated with the first water boiling chamber 2101b and the second water boiling chamber 2101c; at least part of the bottom wall corresponding to the water inlet channel 2101a forms the temperature sensing of the thermostat 600
  • the location of the temperature sensing area
  • Another embodiment of the present application provides an electrical device, including the steam generator provided by any embodiment of the present application.
  • the electrical equipment can be any electrical equipment that needs to use a steam generator, such as a steam mop, a steam iron, and a steam box.
  • Electrodes are provided at both ends of the heating pipe 220, and the heating pipe 220 can continue to generate heat in the state of being energized, so as to heat the water injected into the steam generator from the water inlet 100a into steam.
  • the thermostat 600 is used to detect the temperature of the temperature sensing area. When the thermostat 600 detects that the temperature of the temperature sensing area exceeds the operating temperature set by the thermostat 600, the thermostat 600 is tripped and connected in series with the thermostat 600. The heating tube 220 stops heating, and the steam generator gradually cools down. When the temperature of the temperature sensing area drops to the recovery temperature of the thermostat 600, the thermostat 600 is reconnected, and the heating tube 220 starts to heat again.
  • the steam generator of the embodiment of the present application is provided with a water inlet channel 2101a that communicates with the water inlet 100a, and the water flows from the water inlet 100a into the water inlet channel 2101a, and then flows from the water inlet channel 2101a into the first water boiling cavity 2101b or in the second boiling water cavity 2101c.
  • the steam generator is in the normal release state (that is, the bottom wall corresponding to the water inlet channel 2101a is located on the lower side of the water inlet channel 2101a), please refer to FIG.
  • the water flowing from the water inlet 100a into the water inlet channel 2101a will flow into the second water boiling cavity 2101c at least along the inner surface of the bottom wall corresponding to the water inlet channel 2101a, Referring to FIG. 10 , if the steam generator is inclined downward from the side where the second water boiling chamber 2101c is provided to the side where the first water boiling chamber 2101b is provided, the steam generator will flow into the water inlet channel 2101a from the water inlet 100a The water flow will at least flow into the first boiling water cavity 2101b along the inner surface of the bottom wall corresponding to the water inlet channel 2101a.
  • the water flow in the device can flow into the corresponding boiling water cavity along the bottom wall corresponding to the water inlet channel 2101a.
  • the temperature sensing area on the bottom wall corresponding to the water inlet channel 2101a is set in a position that can flow from the water inlet 100a to the first
  • the water flow of the first water boiling chamber 2101b and the water flow from the water inlet 100a to the second water boiling chamber 2101c both flow through at least part of the temperature sensing area. Therefore, when the steam generator is in the normal discharge state, there will always be water flow through
  • the temperature sensing area is cooled and the temperature sensing area will not be dried without water, so that the temperature of the temperature sensing area detected by the thermostat 600 can always be maintained at the temperature set by the thermostat 600.
  • the thermostat 600 Under the operating temperature, the thermostat 600 will not trip over temperature, so that the heating tube 220 can be kept in a heating state, and the water flowing into the corresponding boiling water cavity can be at least blown by the heating tube 220. Heat to a vapor-liquid mixture. That is to say, when the steam generator is in the positive discharge state, no matter whether the steam generator is in the horizontal positive discharge state or the inclined positive discharge state, the steam generator can continue to generate steam. Works fine at multiple angles.
  • the steam generator of the embodiment of the present application is particularly suitable for electrical equipment with various usage angles, such as a steam mop.
  • the water inlet 100a is located on the upper side of the bottom wall corresponding to the water inlet channel 2101a, and the temperature sensing area extends from directly below the water inlet 100a toward the opposite sides of the water inlet channel 2101a along the extending direction, thus,
  • the steam generator is in the positive discharge state, no matter whether the steam generator is in the horizontal positive discharge state or the inclined positive discharge state, the water flow from the water inlet 100a into the water inlet channel 2101a will flow to the bottom of the water inlet 100a under the action of gravity on the temperature sensing zone.
  • the water inlet flow rate of the water inlet 100a is greater than the water outlet flow rate of the water inlet channel 2101a, that is, the water inlet flow rate of the water inlet port 100a is greater than the total flow rate of the water flowing out from the opposite sides of the water inlet channel 2101a along the extending direction , the water flow can fill the entire water inlet channel 2101a in a short period of time after flowing into the water inlet channel 2101a.
  • the steam generator is in an upright state or an inverted state (that is, the bottom wall corresponding to the water inlet channel 2101a is located in the water inlet state at this time) the upper side of the channel 2101a), or other special conditions (for example, the steam mop works on the wall so that the extension direction of the water inlet channel 2101a of the heating core 210 is perpendicular to the horizontal plane), the water flow in the water inlet channel 2101a will always flow along the water inlet channel 2101a.
  • the bottom wall corresponding to the water channel 2101a flows, a part of the water flow will flow into the first water boiling cavity 2101b, and the other part of the water flow will flow into the second water boiling cavity 2101c. It is cooled, and the temperature sensing area will not appear dry burning without water, so that the steam generator can work normally at any angle.
  • the steam mop can also be used in various Angled work surfaces are used normally.
  • the water flow direction shown in the water inlet channel 2101a in FIGS. 9 and 10 refers to the direction in which the water flow will at least flow under normal circumstances.
  • part of the water flow in the water inlet channel 2101a will flow into the boiling water chamber in the opposite direction to the water flow shown in Figure 9 and Figure 10.
  • the water flow will fill the entire water inlet channel 2101a.
  • the steam generator is in the inclined state shown in FIG. 10 the water flow will fill the entire water inlet channel 2101a. After that, a part of the water flow will flow into the second water boiling chamber 2101c.
  • the heating core 210 includes a core body 2101 and an end cap 2102 connected to the bottom end of the core body 2101 ; the core body 2101 is arranged in the housing 100 , and the end cap 2102 is arranged Outside the casing 100 and connected to the casing 100, the thermostat 600 is attached to the surface of the end cover 2102 on the side facing away from the water inlet channel 2101a. That is to say, a part of the end cover 2102 forms the bottom wall corresponding to the water inlet channel 2101a, and the position where the end cover 2102 fits with the thermostat 600 is the temperature sensing area on the bottom wall corresponding to the water inlet channel 2101a.
  • a first sealing ring 300 may be provided on the bottom end surface of the housing 100 , and the end cover 2102 and the housing 100 are sealed by the first sealing ring 300 , so that the housing 100 can be sealed with the first sealing ring 300 form a relatively closed space.
  • the steam outlet 2102 a is disposed on the end cover 2102 . That is to say, the steam outlet 2102a is located at the bottom of the steam generator, which is suitable for electrical equipment such as steam mops that need to directly align the steam outlet 2102a with a working surface such as the ground.
  • the steam outlet 2102a can also be provided on the top or side of the steam generator.
  • the steam generator further includes a fuse, which is arranged on the end cover 2102 and is connected in series with the heating pipe 220 .
  • the fuse can detect the overall temperature of the steam generator. If the detected temperature exceeds the safe temperature, the fuse is blown and cannot be recovered, and the steam generator fails. That is to say, setting the thermostat 600 and the fuse at the same time can provide double protection for the steam generator, thereby improving the safety of the steam generator.
  • the heating core 210 further includes a first bent plate 2103 and a second bent plate 2104 disposed on the same side of the core body 2101 .
  • the first bent plate 2103 and the second bent plate 2104 are along the The core body 2101 is arranged at a lateral interval; one end of the first curved plate 2103 is connected to the end cover 2102, and the other end of the first curved plate 2103 extends toward the top side of the core body 2101 and is bent toward the direction close to the second curved plate 2104,
  • the core 2101, the first curved plate 2103, the end cover 2102 and the outer casing 100 together define a first water boiling chamber 2101b with a first opening 2103a; one end of the second curved plate 2104 is connected to the end cover 2102, and the second curved plate The other end of the 2104 extends toward the top side of the core 2101 and is bent toward the direction close to the first curved plate 2103.
  • the core 2101, the second curved plate 2104, the end cover 2102 and the casing 100 together define a second opening 2104a.
  • the second boiling water cavity 2101c; the water inlet channel 2101a is formed between the first opening 2103a and the second opening 2104a. That is, the water flowing into the water inlet channel 2101a from the water inlet 100a flows into the first water boiling chamber 2101b from the first opening 2103a, and flows into the second water boiling chamber 2101c from the second opening 2104a.
  • the first water boiling chamber 2101b is surrounded by the first curved plate 2103, and the second water boiling chamber 2101c is formed by the second curved plate 2104, so that the water flowing into the first water boiling chamber 2101b and the second water boiling chamber 2101c can flow. It can be sufficiently heated into steam in the corresponding water-boiling chamber, thereby improving the dryness of the steam.
  • the heating core 210 further includes a first partition 2105 disposed between the first opening 2103a and the second opening 2104a; the first partition 2105 is connected to the core 2101 and to the The end caps 2102 are arranged at intervals, and a water inlet channel 2101 a is formed between the first partition plate 2105 and the end cap 2102 . That is to say, the first partition plate 2105 is actually the top wall corresponding to the water inlet channel 2101a, and the water flow in the water inlet channel 2101a can only flow between the first partition plate 2105 and the end cover 2102. The water flow is introduced into the first water boiling chamber 2101b or the second water boiling chamber 2101c.
  • the water inlet flow rate of the water inlet port 100a can be greater than the water outlet flow rate of the water inlet channel 2101a.
  • the first partition plate 2105 may not be provided, which means that the water inlet channel 2101a may not have a corresponding top wall.
  • the first partition 2105 divides the first opening 2103a into a first inlet 2103b communicating with the water inlet channel 2101a and a first outlet 2103c communicating with the steam outlet 2102a.
  • a partition 2105 divides the second opening 2104a into a second inlet 2104b communicating with the water inlet channel 2101a and a second outlet 2104c communicating with the steam outlet 2102a. That is to say, a part of the first opening 2103a is the first inlet 2103b through which the water flows from the water inlet channel 2101a into the first water boiling cavity 2101b, and the other part is the first outlet 2103c through which the steam flows out of the first water boiling cavity 2101b.
  • a part of the two openings 2104a is the second inlet 2104b through which the water flows from the water inlet channel 2101a into the second water-boiling cavity 2101c, and the other part is the second outlet 2104c through which the steam flows out of the second water-boiling cavity 2101c.
  • the first outlet 2103c and the second outlet 2104c are provided separately.
  • the heating core 210 further includes a plurality of first water hanging parts 2106 and a plurality of second water hanging parts 2107 , and the plurality of first water hanging parts 2106 are spaced apart in the first water boiling cavity 2101b In the second water-boiling cavity 2101c, a plurality of second water-hanging members 2107 are arranged at intervals.
  • the first water hanging piece 2106 and the second water hanging piece 2107 can be a water hanging column or a water hanging board.
  • the first water hanging piece 2106 and the second water hanging piece 2107 can slow down the flow of water in the corresponding boiling water cavity. speed so that the water flow can be heated sufficiently.
  • the casing 100 is further formed with a steam flow channel 2101d located between the heating core 210 and the casing 100 .
  • the second boiling water cavity 2101c is connected, and the end of the steam flow channel 2101d along the steam flow direction is connected with the steam outlet 2102a. After reaching the vapor-liquid mixed state, it can flow along the vapor flow channel 2101d and be ejected from the vapor outlet 2102a.
  • the provision of the steam flow channel 2101d can enable the steam flowing in the steam flow channel 2101d to be in sufficient contact with the heating core 210, thereby improving the dryness of the steam.
  • the steam flow channel 2101d includes a first sub-flow channel 2101e and a second sub-flow channel 2101f; the start end of the first sub-flow channel 2101e along the steam flow direction communicates with the first water boiling cavity 2101b, The end of the first sub-channel 2101e along the steam flow direction communicates with the steam outlet 2102a, the start end of the second sub-channel 2101f along the steam flow direction is communicated with the second water boiling cavity 2101c, and the second sub-channel 2101f is along the steam flow direction The end of is communicated with the steam outlet 2102a.
  • the steam flowing out of the first water-boiling chamber 2101b and the steam flowing out of the second water-boiling chamber 2101c can flow to the steam outlet 2102a along two different paths, respectively, so that the steam outlet 2102a can be increased. efficiency.
  • the core 2101 has a first side wall and a second side wall oppositely arranged and a third side wall and a fourth side wall oppositely arranged; the first curved plate 2103 and the second curved plate 2104 is arranged on the first side wall, the second side wall is located on the side of the first curved plate 2103 away from the second curved plate 2104, and the fourth side wall is located on the side of the second curved plate 2104 away from the first curved plate 2103;
  • the core 210 further includes a second spacer 2108 and a third spacer 2109 disposed on the first side wall, the second spacer 2108 is disposed at the interval between the first bent plate 2103 and the second bent plate 2104, and the third spacer
  • the plate 2109 is arranged on the top side of the first curved plate 2103 and the second curved plate 2104.
  • the core body 2101, the first curved plate 2103, the second partition plate 2108, the third partition plate 2109 and the shell 100 together form a first sub-plate
  • the first sub-section of the flow channel 2101e, the core 2101, the second curved plate 2104, the second partition plate 2108, the third partition plate 2109 and the casing 100 together define the first sub-section of the second sub-flow channel 2101f. That is, the first sub-channel 2101e and the second sub-channel 2101f may flow in two opposite directions along the sidewall of the core body 2101 .
  • the heating core 210 further includes a fourth partition 2110 arranged on the second side wall and a fifth partition 2111 arranged on the fourth side wall;
  • the four partitions 2110 extend from the top side of the second side wall to the bottom side of the second side wall and are spaced apart from the end cover 2102 .
  • the fifth partition 2111 extends from the top side of the fourth side wall to the bottom side of the fourth side wall and is spaced apart from the end cap 2102, the core 2101, the second bend
  • the plate 2104, the fifth partition 2111 and the housing 100 together define a second sub-portion of the second sub-channel 2101f.
  • the first sub-channel 2101e extends to the second side wall, it may extend from the top side of the second side wall to the bottom side of the second side wall, and the second sub-channel 2101f extends to the back of the fourth side wall , may extend from the top side of the fourth side wall to the bottom side of the fourth side wall, thus, the paths of the first sub-channel 2101e and the second sub-channel 2101f may be extended, so that the first sub-channel 2101e
  • the steam in the second sub-channel 2101f and the steam in the second sub-flow channel 2101f can fully contact the heating core 210, thereby improving the dryness of the steam.
  • a steam-water separation chamber 2101g is further formed in the casing 100 between the heating core 210 and the casing 100 , and the steam flow channel 2101d passes through the steam-water separation chamber 2101g . That is to say, before the steam in the steam flow channel 2101d is ejected from the steam outlet 2102a, steam-water separation can be carried out in the steam-water separation chamber 2101g, so as to filter out the liquid water in the steam as much as possible, so that the steam can be further increased. dryness.
  • the steam-water separation chamber 2101g is located between the third side wall and the housing 100 , and the heating core 210 further includes at least one steam-water separation chamber disposed in the steam-water separation chamber 2101g plate 2112; at least one steam-water separation plate 2112 divides the steam-water separation chamber 2101g into a plurality of sub-separation chambers 2101h arranged in layers in the vertical direction, the plurality of sub-separation chambers 2101h are connected in sequence, and the end of the second sub-section of the first sub-channel 2101e and the end of the second sub-section of the second sub-flow channel 2101f are respectively communicated with the sub-separation chamber 2101h of the steam-water separation chamber 2101g at the bottom side, and the steam outlet 2102a is communicated with the sub-separation chamber 2101h of the steam-water separation chamber 2101g at the top side. .
  • the heating core 210 has a secondary heating channel running through the heating core 210 , the beginning end of the secondary heating channel along the steam flow direction communicates with the end of the steam flow channel 2101d along the steam flow direction, and the secondary heating channel is along the steam flow direction
  • the end of the steam outlet 2102a is formed. That is to say, the steam in the steam flow channel 2101d can also be sprayed from the steam outlet 2102a after being heated for a second time in the heating core 210, so that while the dryness of the steam is further improved, the output of the steam can also be improved.
  • the steam temperature is overheated to above 180°C.
  • the secondary heating channel penetrates from the top side of the heating core 210 to the bottom side of the heating core 210 , and the top of the secondary heating channel is formed with the steam-water separation chamber 2101g on the top side
  • the sub-separation chamber 2101h communicates with the steam inlet port 2101I, and the bottom end of the secondary heating channel forms the steam outlet port 2102a. That is to say, the steam after steam-water separation in the steam-water separation chamber 2101g can enter the secondary heating channel from the top side of the heating core 210, and after being reheated in the secondary heating channel, the steam exits from the steam outlet located at the bottom of the heating core 210.
  • the port 2102a ejects.
  • the heating core 210 further includes a first enclosure plate 2113 and a second enclosure plate 2114 disposed on the top wall of the core body 2101 , the first enclosure plate 2113 has a third outlet 2113a;
  • the plate 2113 is arranged around the peripheral side of the steam inlet 2101I, and the second enclosure plate 2114 is arranged around the side of the first enclosure plate 2113 away from the steam inlet 2101I.
  • the channels of the third inlet 2114a and the fourth inlet 2114b, the third inlet 2114a and the fourth inlet 2114b respectively communicate with the sub-separation chamber 2101h of the steam-water separation chamber 2101g located on the top side; the channel is located between the third inlet 2114a and the third outlet 2113a
  • the region between is the third sub-portion of the first sub-channel 2101e, and the region where the channel is located between the fourth inlet 2114b and the third outlet 2113a is the third sub-portion of the second sub-channel 2101f. That is to say, the steam after steam-water separation in the steam-water separation chamber 2101g can also flow to the steam inlet 2101I of the secondary heating channel along two different paths before entering the secondary heating channel.
  • both the first curved plate 2103 and the second curved plate 2104 are in sealing contact with the inner surface of the housing 100 . That is to say, the first water boiling chamber 2101b and the second water boiling chamber 2101c can be set as sealed chambers with better sealing performance, and the water flow into the first water boiling chamber 2101b and the second water boiling chamber 2101c is relatively sealed. By heating in the environment, the heat exchange efficiency of the heating core 210 can be improved.
  • the first partition plate 2105 is in sealing contact with the inner surface of the casing 100 , so that water flow can be prevented from seeping out from the gap between the first partition plate 2105 and the inner surface of the casing 100 .
  • the third partition plate 2109 , the fourth partition plate 2110 and the fifth partition plate 2111 are all in sealing contact with the inner surface of the housing 100 . That is to say, at least part of the first sub-channel 2101e and at least part of the second sub-channel 2101f can be set as relatively sealed sealed channels, thereby also improving the heat exchange efficiency of the heating core 210 .
  • the first curved plate 2103 , the second curved plate 2104 , the first partition plate 2105 and the third partition plate 2109 are in sealing contact with the inner surface of the housing 100 , in order to facilitate sealing, the first curved plate
  • the plate 2103 , the second bent plate 2104 , the first partition plate 2105 and the third partition plate 2109 may share a second sealing ring 400 .
  • the first enclosure plate 2113 is in sealing contact with the inner surface of the housing 100 , that is, the regions of the first sub-channel 2101e and the second sub-channel 2101f on the top wall of the core body 2101 may also be arranged to be opposite to each other
  • the sealed flow channel can also improve the heat exchange efficiency of the heating core 210 .
  • the fourth partition plate 2110 , the fifth partition plate 2111 and the first enclosure plate 2113 are in sealing contact with the inner surface of the housing 100 , in order to facilitate sealing, the fourth partition plate 2110 , the fifth partition plate 2110 and the fifth partition plate 2113 are in sealing contact with the inner surface of the housing 100 .
  • the plate 2111 and the first enclosure plate 2113 may share a third sealing ring 500 .

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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)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Cookers (AREA)

Abstract

La présente invention concerne un générateur de vapeur et un dispositif électrique. Le générateur de vapeur comprend : une sortie de vapeur, un boîtier, un ensemble de chauffage et un dispositif de commande de température, le boîtier ayant une entrée d'eau, et l'ensemble de chauffage comprenant un noyau chauffant et un tube de chauffage. Une partie de la zone du noyau chauffant est disposée dans le boîtier, et un canal d'admission d'eau, une première cavité d'ébullition d'eau et une seconde cavité d'ébullition d'eau sont formés entre le noyau chauffant et le boîtier, la première cavité d'ébullition d'eau et la seconde cavité d'ébullition d'eau étant respectivement situées sur les deux côtés opposés du canal d'admission d'eau dans une direction d'extension de celui-ci ; l'entrée d'eau est en communication avec le canal d'admission d'eau ; la sortie de vapeur est en communication avec la première cavité d'ébullition d'eau et la seconde cavité d'ébullition d'eau ; au moins une partie de la zone d'une paroi inférieure correspondant au canal d'admission d'eau est formée en tant que zone de détection de température du régulateur de température, et la position d'agencement de la zone de détection de température satisfait à la condition suivante : à la fois un écoulement d'eau s'écoulant de l'entrée d'eau à la première cavité d'ébullition d'eau et un écoulement d'eau s'écoulant de l'entrée d'eau à la seconde cavité d'ébullition d'eau s'écoulent à travers au moins une partie de la zone de détection de température ; et le dispositif de commande de température est disposé sur une surface externe de la zone de détection de température et est connecté en série avec le tube de chauffage.
PCT/CN2021/112801 2020-12-09 2021-08-16 Générateur de vapeur et dispositif électrique WO2022121357A1 (fr)

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CN112503502B (zh) * 2020-12-09 2022-05-06 江苏美的清洁电器股份有限公司 一种蒸汽发生器及电器设备

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CN105229376A (zh) * 2013-05-14 2016-01-06 阿尔弗雷德·凯驰两合公司 蒸汽发生器
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