Iron equipped with an evaporation chamber having an inclined surface
By designing the first and second heating resistors and adjustment columns on the bottom wall of the evaporation chamber, water is guided to flow into the hottest surface, solving the problems of low water evaporation efficiency and water droplet sputtering, and improving the performance of the ironing equipment.
Patent Information
- Application Number
- CN202010581603.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2019-06-28
- Filing Date
- 2020-06-23
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2040-06-23
AI Technical Summary
The evaporation efficiency of existing irons in the evaporation chamber is low and difficult to increase the water flow, and there is a risk of water droplets sputtering on the clothes to be ironed.
A first and second heating resistors including extending in the central area of the bottom wall of the evaporation chamber are designed, and water is directed into the evaporation chamber through the adjustment column and the barrier portion, with the hottest surface flowing to improve evaporation efficiency while simultaneously passing through the sideways. The flow path and barrier wall avoid sputtering of water droplets.
The rapid evaporation of water in the evaporation chamber is achieved, the water flow rate is increased, and the sputtering of water droplets on the clothes to be ironed is effectively avoided, and the effectiveness of ironing is improved.
Smart Images

Figure CN112144256B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of ironing appliances and more particularly to the field of ironing appliances comprising an iron provided with a evaporation chamber. Background Art
[0002] The iron comprises in a known manner:
[0003] a heating body comprising an evaporation chamber having a flat bottom wall over which water is intended to flow in order to generate steam, the heating body comprising a first heating resistor extending at the periphery of the bottom wall and a second heating resistor situated in a central region of the bottom wall,
[0004] an ironing soleplate thermally and mechanically connected to the heating body, the ironing soleplate comprising an ironing surface and at least one steam outlet opening into the ironing surface, the ironing surface being parallel to the bottom wall,
[0005] A steam distribution circuit fluidically connects the evaporation chamber and the at least one steam outlet opening, the steam generated by the evaporation chamber being intended to flow in the steam distribution circuit.
[0006] When this iron is used, water is introduced into the evaporation chamber through the water injection hole, and accumulates below the water injection hole and forms a liquid water layer on the bottom wall, which is not conducive to the evaporation of the water introduced into the evaporation chamber.
[0007] This configuration of the iron therefore does not allow the evaporation chamber to be supplied with a greater water flow rate without creating the risk of water droplets splashing on the garment to be ironed. Summary of the invention
[0008] The object of the present invention is to overcome all or part of these drawbacks.
[0009] The technical problem underlying the invention relates in particular to providing an iron which allows increasing the amount of water supplied to the evaporation chamber and at the same time avoiding splashing of water droplets onto the garments to be ironed.
[0010] The invention therefore relates to an iron comprising an ironing soleplate comprising at least one steam output hole and a heating body comprising an evaporation chamber connected to the at least one steam output hole via a steam distribution circuit, the evaporation chamber having a bottom wall comprising a water injection area, water being injected into the water injection area in order to generate steam, the heating body comprising a first heating resistor extending in a first area of the bottom wall and a second heating resistor extending in a second area of the bottom wall, the bottom wall comprising a central area extending between the first area and the second area, the water injection area of the bottom wall comprising a surface configured to guide water to flow over the water injection area towards the central area when the iron is laid flat on the ironing soleplate.
[0011] This configuration of the bottom wall of the evaporation chamber allows water to be guided into the evaporation chamber and toward the central area, which is surrounded by the first heating resistor and the second heating resistor, so that the water flows toward the hottest surface of the evaporation chamber and thus facilitates rapid evaporation of the water flowing into the evaporation chamber.
[0012] Thus, the configuration of the bottom wall of the evaporation chamber allows a greater water flow to be supplied to the evaporation chamber and limits the splashing of water drops on the laundry to be ironed. The iron according to the invention thus has an improved ironing effectiveness.
[0013] The iron also has one or more of the following features, which may exist alone or in combination.
[0014] According to an embodiment of the present invention, the bottom wall includes an obstacle portion, which is arranged on the flow path of water injected from the water injection area to the bottom wall, and the obstacle portion diverts the water flow toward two lateral flow paths arranged on both sides of the obstacle portion.
[0015] According to an embodiment of the present invention, the obstacle is an adjustment column, and a temperature regulator is installed on the adjustment column.
[0016] According to an embodiment of the present invention, each lateral flow path is inclined toward the rear of the evaporation chamber. These arrangements are conducive to the flow of a pool of water formed in the evaporation chamber toward the rear of the evaporation chamber.
[0017] According to an embodiment of the present invention, the evaporation chamber is laterally defined by a peripheral wall comprising a connecting opening, through which steam is discharged from the evaporation chamber for delivery into a steam distribution circuit, and the obstacle is located between the water injection area and the connecting opening, and is preferably aligned with the water injection area and the connecting opening.
[0018] According to an embodiment of the present invention, the central area comprises at least one holding volume for holding a certain amount of water.
[0019] According to an embodiment of the invention, the bottom wall comprises a barrier wall defining a downstream end of the holding volume.
[0020] According to an embodiment of the present invention, the bottom wall comprises an adjusting column, a temperature regulator is mounted on the adjusting column, and the retaining cavity is arranged at the foot of the adjusting column.
[0021] According to an embodiment of the invention, the first heating resistor extends at the periphery of the bottom wall.
[0022] According to an embodiment of the present invention, the bottom wall includes two retaining cavities, and the retaining cavities are arranged on both sides of the adjusting column.
[0023] According to an embodiment of the present invention, the first heating resistor and / or the second heating resistor has a substantially U, V or Ω shape.
[0024] According to an embodiment of the present invention, the first heating resistor and / or the second heating resistor has a cumulative power greater than 2400W.
[0025] According to an embodiment of the present invention, the first heating resistor and the second heating resistor are arranged with their heads and feet facing each other.
[0026] According to an embodiment of the present invention, the first heating resistor includes a first branch extending near a first side portion of the evaporation chamber and a second branch extending near a second side portion of the evaporation chamber opposite to the first side portion.
[0027] According to an embodiment of the present invention, the first heating resistor includes a connection portion that connects the first branch and the second branch, respectively, and is located at the front of the evaporation chamber.
[0028] According to an embodiment of the present invention, the second heating resistor extends inside the first branch and the second branch of the first heating resistor.
[0029] According to an embodiment of the present invention, the bottom wall comprises a convex surface configured to guide water to flow on the convex surface towards the central area.
[0030] According to an embodiment of the present invention, the convex surface of the bottom wall is convex in the transverse direction and extends transversely in the longitudinal direction of the iron.
[0031] According to an embodiment of the invention, said convex surface is arranged substantially symmetrically with respect to a median longitudinal plane of the iron.
[0032] According to an embodiment of the present invention, the convex surface is located in a longitudinal central region of the bottom wall.
[0033] According to an embodiment of the invention, the convex surface comprises a first portion of the wall inclined towards a first side edge of the bottom wall, a second portion of the wall inclined towards a second side edge of the bottom wall, and a longitudinal ridge connecting the first and second portions of the wall. The longitudinal ridge may, for example, extend in a median longitudinal plane of the iron and may, for example, have a circular cross section.
[0034] According to an embodiment of the invention, the heating body comprises a water injection opening into the front part of the evaporation chamber, for example near the front end of the bottom wall.
[0035] According to an embodiment of the invention, the water injection opening is located above the convex surface. These arrangements avoid the accumulation of water in the portion of the evaporation chamber located below the water injection area in the evaporation chamber and thus facilitate the evaporation of the water introduced into the evaporation chamber. These arrangements thus improve the effectiveness of ironing with the iron according to the invention.
[0036] According to an embodiment of the invention, the bottom wall has a top portion which is located substantially below the water injection opening.
[0037] According to an embodiment of the present invention, the second heating resistor extends at the periphery of the convex surface.
[0038] According to an embodiment of the present invention, the second heating resistor includes a first branch extending near a first side of the convex surface and a second branch extending near a second side of the convex surface opposite to the first side.
[0039] According to an embodiment of the invention, the water injection opening opens above the region between the first branch and the second branch of the second heating resistor.
[0040] According to an embodiment of the present invention, the second heating resistor includes a connection portion connecting the first branch and the second branch, respectively, and located at the rear of the evaporation chamber.
[0041] According to an embodiment of the invention, the convex surface is configured to guide the water to flow on the convex surface towards two lateral flow paths. These arrangements allow a pool of water that may form in the evaporation chamber to be guided towards two lateral flow paths located near the first heating resistor and the second heating resistor, which allows evaporation of this pool of water to be facilitated, thus allowing further avoidance of splashing of water drops on the laundry to be ironed.
[0042] According to an embodiment of the invention, the central area is configured to direct the water to flow over the central area towards the regulating column on which the temperature regulator is mounted. These arrangements allow the presence of a pool of water at the regulating column to be monitored and therefore allow the power supply to the first and / or second heating resistor to be regulated by the temperature regulator in order to evaporate this pool of water and therefore avoid wetting of a scale collection container that may be located behind the evaporation chamber.
[0043] According to an embodiment of the invention, the regulating column is located between the two lateral flow paths. Advantageously, the regulating column is located at the rear part of the evaporation chamber. Advantageously, the second heating resistor comprises a curved portion, which is arranged perpendicular to the regulating column when the ironing surface is placed on a horizontal support plane.
[0044] According to an embodiment of the invention, the iron comprises an additional regulating column on which an additional temperature regulator is mounted, the additional regulating column being located at the front of the evaporation chamber. These arrangements allow the temperature in the evaporation chamber to be best regulated and in particular allow overheating in the front of the evaporation chamber to be avoided when a pool of water present in the evaporation chamber moves towards the rear of the evaporation chamber.
[0045] According to an embodiment of the invention, the first heating resistor comprises a curved portion which is arranged perpendicularly to the additional adjusting column when the ironing surface is placed on a horizontal supporting plane.
[0046] According to an embodiment of the invention, the iron comprises a regulating device configured to regulate the power supply to the first heating resistor by means of an additional temperature regulator mounted on an additional regulating column located in front of the evaporation chamber, and further configured to regulate the power supply to the second heating resistor by means of a temperature regulator mounted on an regulating column located behind the evaporation chamber.
[0047] According to an embodiment of the present invention, when the ironing surface is placed on a horizontal support plane, the first heating resistor is located above the second heating resistor. In other words, when the ironing surface is placed on a horizontal support plane, the first heating resistor is located at a higher height than the second heating resistor.
[0048] According to an embodiment of the invention, the heating body comprises a casting at least partially defining the evaporation chamber. Advantageously, the first heating resistor and the second heating resistor are integrated in the casting.
[0049] According to an embodiment of the invention, the heating body comprises a closing plate placed on said casting, said evaporation chamber being defined by said casting and said closing plate.
[0050] According to an embodiment of the present invention, the steam distribution circuit comprises a scale collection cavity, and the iron comprises a scale collection container arranged in the scale collection cavity.
[0051] According to an embodiment of the invention, the scale collecting container is configured to collect scale particles from the evaporation chamber.
[0052] According to an embodiment of the present invention, the scale collection container is detachable.
[0053] According to an embodiment of the present invention, the scale collection chamber is arranged behind the evaporation chamber.
[0054] According to an embodiment of the invention, the scale collecting cavity comprises a drain hole closed by a removable plug accessible from the outside of the iron.
[0055] According to an embodiment of the present invention, the discharge hole is provided at the rear of the iron.
[0056] According to an embodiment of the present invention, the scale collection container is integrally connected to a detachable plug.
[0057] According to an embodiment of the present invention, the scale collection chamber is connected to the evaporation chamber via a connecting opening, and the connecting opening leads to the rear end portion of the evaporation chamber.
[0058] According to an embodiment of the invention, the scale collection container comprises a filter element comprising through openings configured to retain scale particles entrained by steam flowing in the steam distribution circuit. Advantageously, each through opening has a size between 0.05 mm and 0.5 mm.
[0059] According to an embodiment of the invention, the steam distribution circuit comprises at least one discharge channel leading into the scale collection chamber, the at least one discharge channel being fluidly connected to the at least one steam output hole. Advantageously, the at least one discharge channel is located downstream of the filter element.
[0060] According to an embodiment of the invention, the steam distribution circuit comprises two discharge channels, one located on each side of the connection opening.
[0061] According to an embodiment of the invention, the steam distribution circuit comprises a distribution chamber arranged below the heating body, the steam distribution chamber fluidically connecting the at least one exhaust channel to the at least one steam output aperture.
[0062] According to an embodiment of the present invention, the first heating resistor extends in a first plane of extension, and the second heating resistor extends in a second plane of extension substantially parallel to the first plane of extension.
[0063] According to an embodiment of the present invention, the temperature regulator and the additional temperature regulator are respectively implemented by a temperature sensor and an additional temperature sensor connected to a microcontroller.
[0064] The invention also relates to an ironing appliance comprising an iron according to the invention, a water tank and a supply circuit fluidly connected to the water tank and configured to supply water to the evaporation chamber.
[0065] According to an embodiment of the invention, the supply circuit comprises a water conveying conduit fluidically connecting the water tank to the evaporation chamber.
[0066] According to an embodiment of the invention, the ironing device comprises a base on which the iron is arranged during an inactive phase of ironing.
[0067] According to an embodiment of the present invention, the base comprises a water tank.
[0068] According to an embodiment of the invention, the supply circuit comprises a supply pump configured to supply water from a water tank to the evaporation chamber. Advantageously, the supply pump is integrated in the base. BRIEF DESCRIPTION OF THE DRAWINGS
[0069] The invention will be better understood from the following description of an embodiment of the ironing device shown by way of non-limiting example with reference to the accompanying drawings, in which:
[0070] - Figure 1 is a perspective view of an ironing device according to the present invention.
[0071] - Figure 2 yes Figure 1 A partial perspective view of an iron of an ironing device.
[0072] - Figure 3 yes Figure 2 A three-dimensional view of the iron part.
[0073] - Figure 4 yes Figure 2 Top view of the iron part.
[0074] - Figure 5 is along Figure 4 A cross-sectional view along line VV of .
[0075] - Figure 6 is along Figure 4 A cross-sectional view taken along line VI-VI.
[0076] - Figure 7 is along Figure 4 Cross-sectional view along line VII-VII.
[0077] - Figure 8 is along Figure 4 A cross-sectional view along line VIII-VIII.
[0078] - Fig. 9 is along Figure 4 A cross-sectional view along line IX-IX.
[0079] - Fig.10The iron according to the second embodiment Figure 3 Similar view.
[0080] - Fig.11 yes Fig.10 Partial top view of the iron. DETAILED DESCRIPTION
[0081] Figures 1 to 9 An ironing device 2 is shown, comprising an iron 3 and a base 4 on which the iron 3 can be arranged in an inactive phase of ironing.
[0082] The ironing device 2 further comprises a water tank 5 integrated in the base 4 and which may be, for example, detachable, and a supply circuit fluidly connected to the water tank 5. The supply circuit comprises in particular a water delivery conduit 6 fluidly connecting the water tank 5 to the iron 3, and a supply pump (not shown in the figures) integrated in the base 4 and configured to supply the iron 3 with water from the water tank 5.
[0083] The iron 3 comprises a housing 7 comprising a gripping portion 8 at its upper end and an ironing soleplate 9 provided with a substantially flat ironing surface 11 and a plurality of steam output holes 12 opening into the ironing surface 11 .
[0084] like Figure 2 More specifically shown, the iron 3 also comprises a heating body 13 integrated in the lower part of the housing 7 and thermally and mechanically connected to the ironing soleplate 9. The heating body 13 comprises a casting 14, for example made of aluminium, and a closing plate 15 placed thereon.
[0085] The heating body 13 also comprises an evaporation chamber 16 of the flash evaporation type, which is defined by the casting 14 and the closing plate 15. The casting 14 more particularly comprises a peripheral wall 17 laterally defining the evaporation chamber 16. Advantageously, the interior of the evaporation chamber 16 is at least partially, for example almost entirely, covered by an antifouling coating.
[0086] The heating body 13 further comprises a first heating resistor 18 and a second heating resistor 19 integrated in the casting 14. Preferably, the first heating resistor 18 and the second heating resistor 19 have a substantially U, V or Ω shape.
[0087] The first heating resistor 18 and the second heating resistor 19 are Figure 4 is more clearly shown by the dotted line.
[0088] According to the embodiment shown in the figure, the first heating resistor 18 comprises a first branch 18.1 extending near a first side portion of the evaporation chamber 16 and a second branch 18.2 extending near a second side portion of the evaporation chamber 16, and the second heating resistor 19 extends inside the first branch 18.1 and the second branch 18.2 of the first heating resistor 18. Advantageously, the first heating resistor 18 and the second heating resistor 19 are arranged head to foot opposite to each other. As an example, in order to allow the first heating resistor 18 and the second heating resistor 19 to be powered, the first heating resistor 18 comprises two connection ends 18A, 18B protruding outside the casting 14 on the side of the rear end portion of the heating body 13, and the second heating resistor 19 comprises two connection ends 19A, 19B protruding outside the casting on the side of the front end portion of the heating body 13.
[0089] Preferably, the cumulative power of the first heating resistor 18 and the second heating resistor 19 is greater than 2400 W. As an example, the first heating resistor 18 may have an electrical power of about 2000 W, and the second heating resistor 19 may have an electrical power of about 1000 W, and this power distribution allows the power density to be balanced according to the respective lengths of the two heating resistors so as to reach a total power of 3000 W.
[0090] Advantageously, the first heating resistor 18 extends in a first plane of extension and the second heating resistor 19 extends in a second plane of extension substantially parallel to the first plane of extension and preferably substantially parallel to the plane of the ironing surface 11 .
[0091] According to the embodiment shown in the figures, when the ironing surface 11 is placed on a horizontal supporting plane, the first heating resistor 18 is located at a higher level than the second heating resistor 19 .
[0092] The evaporation chamber 16 comprises a bottom wall 21 on which water is intended to flow in order to generate steam, the bottom wall 21 advantageously having a plurality of pyramidal columns which protrude on the bottom wall 21 in order to increase the area of heat exchange. The bottom wall 21 advantageously comprises a convex surface 22 which is situated in a longitudinal central region of the bottom wall 21. The convex surface 22 more particularly protrudes in a transverse direction D1 which extends transversely to the longitudinal direction D2 of the iron 3.
[0093] According to the embodiment shown in the figures, the convex surface 22 is arranged symmetrically with respect to the middle longitudinal plane of the iron 3 and comprises a first wall portion 22.1 inclined towards a first side edge of the bottom wall 21, a second wall portion 22.2 inclined towards a second side edge of the bottom wall 21, and a longitudinal ridge 22.3 connecting the first wall portion 22.1 and the second wall portion 22.2. The longitudinal ridge 22.3 may, for example, extend in the middle longitudinal plane of the iron 3 and may, for example, have a circular cross section.
[0094] Advantageously, the first heating resistor 18 extends in a first region of the bottom wall 21 at the periphery of the bottom wall 21, while the second heating resistor 19 extends in a second region of the bottom wall 21 at the periphery of the convex surface 22. In other words, the first heating resistor 18 extends at the periphery of the bottom wall 21, while the second heating resistor 19 extends at the periphery of the convex surface 22.
[0095] The bottom wall 21 also includes a central area 23 extending between the first area and the second area of the bottom wall 21, the central area 23 therefore extending between the convex surface 22 and the periphery of the bottom wall 21. The central area 23 more specifically includes two lateral flow paths 23.1, 23.2 extending between the first heating resistor 18 and the second heating resistor 19, each of the lateral flow paths being inclined toward the rear of the evaporation chamber 16, and the convex surface 22 being configured to guide water to flow on the convex surface 22 toward each of the two lateral flow paths 23.1, 23.2.
[0096] The heating body 13 further comprises a regulating column 24 located at the rear end of the evaporation chamber 16 between two lateral flow paths 23.1, 23.2, each of which is inclined towards the rear of the evaporation chamber 16, that is to say towards the regulating column 24. The two lateral flow paths 23.1, 23.2 are advantageously located below the contour of the convex surface 22 at the rear part of the evaporation chamber 16, so as to form a height difference between the bottom of the two lateral flow paths 23.1, 23.2 and the contour of the convex surface 22. The rear end of the evaporation chamber 16 comprises two barrier walls 20, which protrude transversely on the bottom wall 21 of the evaporation chamber 16, between the regulating column 24 and the peripheral wall 17, which retain the water flowing along the lateral flow paths 23.1, 23.2, thus forming a retaining volume 27 upstream of the barrier walls 20.
[0097] like Figure 2 and Figure 3 More specifically, the adjusting column 24 is formed by the casting 14 and is located at the rear portion of the convex surface 22, and the upper end of the adjusting column extends through the closing plate 15. According to the embodiment shown in the figures, the iron 3 includes a temperature regulator (not shown) mounted on the adjusting column 24, and the central area 23 is configured to guide water to flow toward the adjusting column 24 on the central area 23.
[0098] The heating body 13 also includes an additional adjustment column 26 located at the front of the evaporation chamber 16. Advantageously, the additional adjustment column 26 is located vertically above the bent end of the first heating resistor 18, while the adjustment column 24 is located above the bent end of the second heating resistor 19. In particular, Figure 2 and Figure 3As shown, the additional adjustment column 26 is formed by the casting 14 and extends through the closing plate 15. According to the embodiment shown in the figures, the iron 3 comprises an additional temperature regulator (not shown) mounted on the additional adjustment column 26.
[0099] The iron 3 advantageously comprises a regulating device (not shown) configured to regulate the power supply to the first heating resistor 18 by means of an additional temperature regulator mounted on an additional regulating column 26 located in front of the evaporation chamber 16, and the regulating device is also configured to regulate the power supply to the second heating resistor 19 by means of a temperature regulator mounted on a regulating column 24 located behind the evaporation chamber 16.
[0100] The heating body 13 also comprises a water injection opening 28 fluidly connected to the supply pump and opening into the front part of the evaporation chamber 16, for example near the front end of the bottom wall 21. The supply pump is thus configured to supply water from the water tank 5 to the evaporation chamber 16 at a pressure greater than 500 Pa, the assembly being suitable for allowing the production of a flow rate of steam greater than 60 gr / min, and it produces steam according to a standardized cycle of evaporation for 5 seconds and rest for 15 seconds.
[0101] Advantageously, the water injection opening 28 is arranged on the closing plate 15 and opens into the evaporation chamber 16, above the water injection area located near the front end of the bottom wall 21 and between the first branch and the second branch of the second heating resistor 19. Advantageously, the bottom wall 21 has a top that is located approximately below the water injection opening 28.
[0102] The iron 3 further comprises a steam distribution circuit 29 defined by the casting 14 and the closing plate 15, the steam distribution circuit 29 fluidly connecting the evaporation chamber 16 to the steam output aperture 12 so as to enable the steam generated in the evaporation chamber 16 to flow to the steam output aperture 12. Advantageously, the interior of the steam distribution circuit 29 is at least partially covered by an anti-fouling coating.
[0103] The steam distribution circuit 29 comprises in particular a scale collection chamber 31 comprising a drainage orifice 32 closed by a removable plug 33 accessible from the outside of the iron 3. Advantageously, the drainage orifice 32 opens into the rear face of the housing 7 of the iron 3.
[0104] The scale collection cavity 31 is arranged behind the evaporation chamber 16 and is connected to the evaporation chamber 16 via a connection opening 34 opening into the rear end of the evaporation chamber 16. When the iron 3 is placed on the ironing soleplate 9, the scale collection cavity 31 is advantageously located in the part of the housing 7 protruding behind the ironing soleplate 9.
[0105] The iron 3 further comprises a scale collection container 35, which is for example detachably mounted in the scale collection cavity 31. The scale collection container 35 is configured to collect scale particles from the evaporation chamber 16. When the ironing soleplate 9 is tilted relative to the horizontal plane, these scale particles can fall from the evaporation chamber 16 by gravity, and for example when the iron 3 is placed on the base 4, the scale particles can also be entrained by the steam from the evaporation chamber 16. Advantageously, the scale collection container 35 is integrally connected to the detachable plug 33.
[0106] The scale collection container 35 may optionally comprise a filter element comprising through openings configured to retain scale particles entrained by the steam flowing in the steam distribution circuit. Advantageously, each through opening has a size between 0.05 mm and 0.5 mm.
[0107] Preferably, if Figure 8 As shown, the steam distribution circuit 29 includes two discharge channels 25 symmetrically arranged on both sides of the connecting opening 34, and the two discharge channels 25 connect the scale collection cavity 31 and the steam distribution chamber arranged below the heating body 13 to supply the steam output hole 12 of the ironing soleplate 9.
[0108] When water is injected into the evaporation chamber 16 of the iron 3 through the water injection opening 28, a part of the injected water is evaporated by contacting the convex surface 22 located below the water injection opening 28, while the water that is not evaporated is guided by the convex surface 22 toward the two lateral flow paths 23.1, 23.2, and the regulating column 24 forms an obstacle that prevents the water from flowing directly toward the connection opening 34 arranged at the rear of the evaporation chamber 16. The water that is not evaporated then flows in the form of a pool of water along the two lateral flow paths 23.1, 23.2 and toward the rear of the evaporation chamber 16, which is caused by the combined effects of, for example, gravity (the lateral flow paths are inclined toward the rear) and the resistance associated with the steam flow flowing toward the connection opening 34.
[0109] When this pool of water reaches the barrier wall 20 (through either of the two lateral flow paths 23.1, 23.2), this pool of water is blocked in the holding volume 27 formed upstream of the barrier wall 20, at the foot of the regulating column 24, so as to reduce the temperature of the regulating column 24, which allows the thermostat to inform the regulating device to start the power supply of the second heating resistor 19. The thermal power absorbed by this pool of water, which is located very close to the first heating resistor 18 and the second heating resistor 19, allows to reduce the volume of this pool of water, the presence of the barrier wall 20 allows to prevent water from being entrained to the connection opening 34 and therefore to prevent water from being entrained to the scale collection container 35.
[0110] In addition, the scale particles formed in the evaporation chamber 16 are entrained by the movement of the pool of water toward the rear of the evaporation chamber 16, and are also entrained by the steam flow under the action of the entraining force, and the scale particles are entrained in the direction toward the connecting opening 34 and the scale collection container 35. The scale particles are therefore collected by the scale collection container 35.
[0111] Fig. 9 and Fig.10 An iron according to a second embodiment is shown. Fig. 9 and Fig.10 On, for Figures 1 to 8 The first embodiment shown in FIG. 1 is provided with the same reference numerals as those elements which correspond to those already described.
[0112] The second embodiment differs from the first embodiment mainly in that the orientation of the second heating resistor 19 is different, and in the second embodiment, the second heating resistor 19 is arranged in the same direction as the first heating resistor 18. Therefore, the two connection ends 19A, 19B of the second heating resistor 19 protrude outside the casting on the side of the rear of the heating body 13, and the second heating resistor 19 extends from the two connection ends 19A, 19B toward the front in the shape of Ω.
[0113] The second embodiment also differs from the first embodiment in that in the second embodiment, there are no pyramidal columns or barrier walls on the bottom wall 21. This configuration has the advantage of being simple to implement. However, such elements may also be present on the bottom wall.
[0114] Of course, the invention is in no way limited to the embodiments shown and described, which are given by way of example only. Modifications may be made without exceeding the scope of protection of the invention, in particular in terms of the constitution of the different elements or by replacement by technical equivalents.
[0115] Thus, in an alternative embodiment not shown, the water can be injected dropwise into the evaporation chamber through a tap, which is fed with water from a container by gravity rather than by a pump.
Claims
1. An iron (3), comprising an ironing soleplate (9), the ironing soleplate (9) comprising at least one steam output hole (12) and a heating body (13), the heating body (13) comprising an evaporation chamber (16), the evaporation chamber (16) being connected to the at least one steam output hole (12) via a steam distribution circuit, the evaporation chamber (16) having a bottom wall (21) comprising a water injection area, water being injected into the water injection area in order to generate steam, the heating body (13) comprising a first heating resistor (18) extending in a first area of the bottom wall (21) and a second heating resistor (19) extending in a second area of the bottom wall (21), the second heating resistor (19) being independent of the first heating resistor (18), the bottom wall (21) comprising a central area (23) extending between the first area and the second area, characterized in that The bottom wall (21) comprises an obstacle (24), the obstacle (24) being arranged on the course of the water flow injected from the water injection area onto the bottom wall (21), the obstacle (24) diverting the water flow toward two lateral flow paths (23.1, 23.2) arranged on both sides of the obstacle, the water injection area of the bottom wall (21) comprising a surface (22), the surface (22) being configured such that when the iron is laid flat on the ironing soleplate (9), the lateral flow paths (23.1, 23.2) are located below the contour of the surface (22) at the rear part of the evaporation chamber (16), so as to form a height difference between the bottom of the lateral flow paths (23.1, 23.2) and the contour of the surface (22), thereby guiding the water to flow toward the central area (23) on the water injection area.
2. The iron (3) according to claim 1, characterized in that The obstacle is an adjustment column (24), and a temperature regulator is installed on the adjustment column (24).
3. The iron (3) according to claim 1 or 2, characterized in that The evaporation chamber (16) is laterally delimited by a peripheral wall (17) comprising a connection opening (34) through which steam is discharged from the evaporation chamber (16) for delivery to a steam distribution circuit (29), and the obstruction (24) is located between the water injection area and the connection opening (34).
4. The iron (3) according to claim 1 or 2, characterized in that The central region (23) includes at least one holding volume (27) for holding a certain amount of water.
5. The iron (3) according to claim 4, characterized in that The bottom wall (21) comprises a barrier wall (20) which defines the downstream end of the holding volume (27).
6. The iron (3) according to claim 4, characterized in that The bottom wall (21) comprises an adjusting column (24), a temperature regulator is mounted on the adjusting column (24), and the retaining cavity (27) is arranged at the foot of the adjusting column (24).
7. The iron (3) according to claim 6, characterized in that The bottom wall (21) comprises two retaining cavities (27), and the retaining cavities (27) are arranged on both sides of the adjusting column (24).
8. The iron (3) according to claim 1 or 2, characterized in that The first heating resistor (18) extends at the periphery of the bottom wall (21).
9. The iron (3) according to claim 1 or 2, characterized in that The first heating resistor (18) comprises a first branch (18.1) extending at the end of a first side portion of the evaporation chamber (16) and a second branch (18.2), the first branch (18.1) extending at the end of a second side portion of the evaporation chamber (16) opposite to the first side portion.
10. The iron (3) according to claim 9, characterized in that The second heating resistor (19) extends inside the first branch (18.1) and the second branch (18.2) of the first heating resistor (18).
11. The iron (3) according to claim 1 or 2, characterized in that The bottom wall (21) includes a convex surface (22) configured to guide water to flow on the convex surface (22) toward the central area (23).
12. The iron (3) according to claim 11, characterized in that The second heating resistor (19) extends at the periphery of the convex surface (22).
13. The iron (3) according to claim 1 or 2, characterized in that The steam distribution circuit (29) comprises a scale collection chamber (31), and the iron (3) comprises a scale collection container (35) arranged in the scale collection chamber (31).
14. An ironing device (2) comprising an iron (3) according to any one of the preceding claims, a water tank (5) and a supply circuit fluidly connected to the water tank (5) and configured to supply water to the evaporation chamber (16).
Citation Information
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