CN213624885U

CN213624885U - Steam generator and electric iron

Info

Publication number: CN213624885U
Application number: CN202022352218.7U
Authority: CN
Inventors: 李一峰; 黄天成; 梁海权
Original assignee: Foshan Xiaoxiong Life Electric Appliance Co ltd; Bear Electrical Appliance Co Ltd
Current assignee: Foshan Xiaoxiong Life Electric Appliance Co ltd; Bear Electrical Appliance Co Ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-07-06
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a steam generator and electric iron. The steam generator comprises an ironing panel, a vaporizing chamber and a cover plate, wherein an ironing area is arranged on the ironing panel, a plurality of steam outlets are distributed on the ironing area, the ironing panel is connected to the lower side surface of the steam chamber in a sealing mode, a water supply port is formed in the cover plate, and the cover plate is connected to the upper side surface of the steam chamber in a sealing mode; the vaporizing chamber comprises a heating bottom plate with an embedded heating body, the upper side surface of the heating bottom plate is provided with a water inlet communicated with the water supply inlet and at least two first steam channels extending from the water inlet, and the tail end of each first steam channel is provided with a through hole penetrating through the heating bottom plate; the lower side surface of the heating bottom plate is provided with at least two second steam channels communicated between the through holes and the ironing area. The utility model discloses can improve steam generator's vaporization ability in order to overcome the phenomenon that takes place the vaporizer and leak, improve the ironing effect of electric iron to the clothing.

Description

Steam generator and electric iron

Technical Field

The utility model relates to a domestic ironing device, especially a steam generator and electric iron.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

Users often seek to quickly discharge steam and a large amount of steam to improve the efficiency and effect of ironing clothes using the electric iron. However, the ironing base plate of the existing electric iron is not designed reasonably, so that the heating is insufficient or uneven, the water entering the ironing base plate is not completely vaporized, and a pain point of water spraying from a steam outlet may exist in the using process.

Chinese patent CN2017204779894 discloses an iron comprising: the ironing panel is provided with a plurality of steam through holes communicated with the first steam channel; the vaporizing chamber is arranged on the upper end surface of the surrounding rib, a vaporizing chamber and a second steam channel are defined in the vaporizing chamber, the inlet of the second steam channel is communicated with the vaporizing chamber, and a communicating hole for communicating the second steam channel with the first steam channel is formed in the bottom wall of the vaporizing chamber; the first blocking rib is arranged in the first steam channel to change the flow direction of the steam; the second blocking ribs are arranged in the second steam channel to change the flow direction of the steam; and a thermistor for detecting the temperature of the casing of the vaporization chamber. Although the technical scheme can improve the phenomenon of water leakage of the vaporization chamber to a certain extent, the distance between the first steam channel and the second steam channel is short, the vaporization effect is limited, and the phenomenon of water leakage of the vaporization chamber cannot be completely eradicated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a steam generator and electric iron can improve steam generator's vaporization ability in order to overcome the phenomenon that takes place the vaporizer and leak, improves electric iron to the ironing effect of clothing.

The utility model provides a steam generator, which comprises an ironing panel, a vaporizing chamber and a cover plate, wherein the ironing panel is provided with an ironing area, a plurality of steam outlets are distributed on the ironing area, the ironing panel is hermetically connected with the lower side surface of the steam chamber, the cover plate is provided with a water supply port, and the cover plate is hermetically connected with the upper side surface of the steam chamber; the vaporizing chamber comprises a heating bottom plate with an embedded heating body, the upper side surface of the heating bottom plate is provided with a water inlet communicated with the water supply inlet and at least two first steam channels extending from the water inlet, and the tail end of each first steam channel is provided with a through hole penetrating through the heating bottom plate; the lower side surface of the heating bottom plate is provided with at least two second steam channels communicated between the through holes and the ironing area.

In a preferred embodiment, the periphery of the upper side of the heating bottom plate is provided with an upper enclosure, two opposite sides of the upper side of the heating bottom plate, which are positioned at the water inlet level, are respectively provided with first blocking ribs, a continuous first gap is arranged between every two adjacent first blocking ribs or/and between the first blocking ribs and the upper enclosure, and the first gaps are covered by the cover plate to form first steam channels.

In a preferred embodiment, the two first steam channels are symmetrically distributed on two sides of the water inlet level.

In a preferred embodiment, the periphery of the lower side surface of the heating base plate is provided with a lower baffle, a second blocking rib is arranged on the lower side surface of the heating base plate and positioned at the inner side of the lower baffle, a continuous second gap is formed between the lower baffle and the second blocking rib, the through hole is positioned at one end of the second gap, a steam inlet is arranged at one end of the second blocking rib far away from the through hole, and a second steam channel is formed between the ironing panel and the second gap.

In a preferred embodiment, the second blocking rib and the ironing area enclose to form a steam cavity, and a second gap communicated between each through hole and the steam inlet is sealed by the ironing panel to form a second steam channel.

In a preferred embodiment, a surrounding groove corresponding to the second blocking rib is arranged on the ironing panel around the ironing area, and the second blocking rib is inserted into the surrounding groove; two circles of third blocking ribs are arranged on the periphery of the surrounding groove, a third gap is formed between the two circles of third blocking ribs, and the lower surrounding baffle is inserted into the third gap.

In a preferred embodiment, a plurality of surrounding ribs which are positioned on the inner side of the second blocking rib are arranged on the lower side surface of the heating bottom plate, each surrounding rib comprises a plurality of surrounding rib straight sections, each surrounding rib straight section is positioned between two adjacent steam outlets, and a gap is formed between two oppositely-arranged surrounding rib straight sections.

In a preferred embodiment, enclose the muscle still including being located the curved section of muscle that encloses of steam inlet one end is kept away from to the steam intracavity, enclose the curved section of muscle and enclose the muscle including just enclosing muscle and last segmental arc to the lower segmental arc that the breach set up, the length that the muscle was enclosed to lower segmental arc is good at the length that the muscle was enclosed to last segmental arc, and encloses the muscle and enclose the muscle through one section connection between the muscle with last segmental arc down and be connected.

The utility model discloses an electric iron, which is provided with the steam generator, and also comprises a shell, a water tank arranged in the shell, a control circuit board and a water pump connected between the water tank and a water supply port of a cover plate; the side is equipped with first detection seat near the water level on the bottom plate that generates heat, is fixed with temperature sensor on first detection seat, and temperature sensor and control circuit board electric connection control the work of water pump according to temperature sensor's testing result by control circuit board.

In a preferred embodiment, a second detection seat is arranged at one end of the upper side surface of the heating bottom plate far away from the water inlet level, a temperature controller is arranged on the second detection seat and is electrically connected with the heating body in series, or/and, in a preferred embodiment, a third detection seat is arranged at the upper side surface end of the heating bottom plate, a thermal fuse is arranged on the third detection seat, and the thermal fuse is electrically connected with the heating body in series.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a steam generator, overall structure is simple, the vaporizer is at the last side of bottom plate that generates heat, the downside sets up the double-deck vaporization passageway of first steam channel and second steam channel respectively, make two tunnel evaporation of moisture division, promote evaporation effect and shortened the evaporation time, the vaporization distance that the water was heated has been lengthened, it is more abundant to make the heating, can show and promote evaporation effect, thereby can avoid water not by abundant heating vaporization or heating to lead to steam to form the comdenstion water before following the steam outlet blowout inadequately, thereby avoided steam generator to produce water spray or the phenomenon of leaking inadequately because of the heating, and be favorable to having guaranteed electric iron's ironing effect and improvement ironing efficiency.

Drawings

Fig. 1 is a perspective view of a steam generator.

Fig. 2 is an exploded structural view of the steam generator.

Fig. 3 is a schematic view of the upper side of the vaporization chamber.

Fig. 4 is a schematic view of the underside of the vaporization chamber.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1-4, the steam generator includes an ironing panel 1, a vaporizing chamber 2 and a cover plate 3, wherein the ironing panel 1 is provided with an ironing area 11, a plurality of steam outlets 12 are distributed on the ironing area 11, the ironing panel 1 is hermetically connected to the lower side surface of the steam chamber 2, the cover plate 3 is provided with a water supply opening 31, and the cover plate 3 is hermetically connected to the upper side surface of the steam chamber 2; the steaming chamber 2 comprises a heating bottom plate 21 embedded with a heating element 22 (such as an electric heating tube), the upper side surface of the heating bottom plate 21 is provided with a water inlet 23 communicated with the water supply inlet 31 and at least two first steam channels 26 extending from the water inlet 23, the tail end of each first steam channel 26 is provided with a through hole 261 communicated with the heating bottom plate 21, and the lower side surface of the heating bottom plate 21 is provided with at least two second steam channels 28 communicated between the through holes 261 and the ironing area 11 around the ironing area 11.

The utility model discloses an at the last side of vaporizer 2, the downside sets up first steam passage 26 and second steam passage 28 respectively, form double-deck vaporization passageway, thereby the vaporization route has been lengthened, let the water droplet that gets into from water supply mouth 31 follow water level 23 after along first steam passage 26 in-process by the gradual vaporization, reentrant second steam passage 28 can also continuously heat and avoid steam condensation, provide abundant heating through first steam passage 26 and second steam passage 28 for the water droplet and ensure that the water droplet is fully vaporized, thereby can overcome and take place the water droplet that exists not fully vaporizing among the prior art from steam outlet 12 spun phenomenon. And each layer of vaporization channel is provided with at least two, and the double-channel design enables water drops to be separated into two paths for evaporation, thereby improving the vaporization effect, shortening the vaporization time and further preventing the phenomenon of water spraying from the steam outlet 12.

The periphery of the upper side surface of the heating bottom plate 21 is provided with an upper enclosure 211, the upper side surface of the heating bottom plate 21 is provided with first blocking ribs 25 at the outer sides of the water inlet level 23, a continuous first gap is arranged between two adjacent first blocking ribs 25 or/and between the first blocking ribs 25 and the upper enclosure 211, and when the cover plate 3 is connected to the upper side surface of the steam chamber 2 in a sealing manner, the cover plate 3 seals the top end surface of the first gap to form a first steam channel 26. In a preferred embodiment, the plurality of first blocking ribs 25 are distributed on two opposite sides of the water inlet level 23 and located between two opposite sides of the upper surrounding barrier 211, a first steam channel 26 is formed between the first blocking rib 25 located on one side of the water inlet level 23 and the upper surrounding barrier 211, another first steam channel 26 is formed between the first blocking rib 25 located on the other side of the water inlet level 23 and the upper surrounding barrier 211, and the two first steam channels 26 are symmetrically distributed on two sides of the water inlet level 23, so that uniform heating is facilitated to improve vaporization effect.

Particularly in conjunction with fig. 2 and 4. A lower surrounding barrier 212 is arranged on the periphery of the lower side surface of the heating bottom plate 21, a second blocking rib 27 is arranged on the lower side surface of the heating bottom plate 21 and positioned on the inner side of the lower surrounding barrier 212, a continuous second gap is formed between the lower surrounding barrier 212 and the second blocking rib 27, a through hole 261 is positioned at one end of the second gap, and a steam inlet 271 is arranged at one end, far away from the through hole 261, of the second blocking rib 27; when the ironing panel 1 is hermetically connected to the lower side of the steam chamber 2, the lower side of the second gap is sealed by the ironing panel 1, the area surrounded by the second blocking rib 27 corresponds to the ironing area 11 of the ironing panel 1, the area surrounded by the second blocking rib 27 and the ironing area 11 form a steam cavity, and the second gap communicated between each through hole 261 and the steam inlet 271 forms a second steam channel 28. Thus, the two second steam channels 28 are located respectively at two opposite outer sides of the ironing zone 11 or steam chamber, facilitating a uniform heating for improving the steaming effect.

In a preferred embodiment, a surrounding groove 13 corresponding to the second blocking rib 27 is arranged on the ironing panel 1 around the ironing area 11, two circles of third blocking ribs 14 are arranged on the periphery side of the surrounding groove 13, and a third gap 15 is arranged between the two circles of third blocking ribs 14; when the ironing panel 1 is sealingly mounted on the lower side of the vaporising chamber 2, the second blocking rib 27 is inserted in the slot 13 and the lower skirt 212 is inserted in the third gap 15. Through the cooperation of the second blocking rib 27 and the surrounding groove 13, the heat generated by the heating element 22 can be transferred to the ironing panel 1 through the second blocking rib 27, the heat conducting area to the steam is increased, and the steam can enter the steam cavity from the steam inlet 271 along the second steam channel 28 to ensure that the steam is continuously heated in the flowing process; the lower rail 212 is inserted into the third gap 15 formed between the two circles of the third barrier ribs 14, so as to prevent the steam or water from leaking during the flowing process in the second steam channel 28.

Wherein, any existing connection mode can be adopted for connecting the ironing panel 1, the vaporizing chamber 2 and the cover plate 3. For example, a plurality of first screw holes 38 are provided on the cover plate 3, a plurality of first studs 216 are correspondingly provided on the upper side surface of the heating soleplate 21, and the cover plate 3 can be fixed on the upper side surface of the vaporization chamber 2 by screwing screws through the first screw holes 38 and the first studs 216 at corresponding positions; even, still be equipped with a plurality of guiding holes 39 on apron 3, should be equipped with a plurality of guide post 217 on the side of generating heat bottom plate 21, utilize guide post 217 to pass one guiding hole 39 of corresponding position in order to provide location and direction function in installing apron 3 to the upside of vaporizer 2 in order to facilitate the assembly. For example, the vaporizing chamber 2 can be mounted on the ironing panel 1 by providing a plurality of second screw holes 218 on the heating base plate 21 outside the upper enclosure 211, providing a plurality of second studs 19 corresponding to the ironing panel 1, and screwing and fixing the second studs 19 corresponding to the positions through the second screw holes 218 by screws.

In a preferred embodiment, a plurality of surrounding ribs located at the inner side of the second blocking rib 27 are arranged on the lower side surface of the heating bottom plate 21, the surrounding ribs play a role in increasing the surface area of the lower side surface of the heating bottom plate 21, heat generated by the heating body 22 is conducted to the surrounding ribs through the heating bottom plate 21, and steam is heated in the steam cavity through the surrounding ribs, so that condensation of the steam before the steam is sprayed out from the steam outlet 12 is avoided, water entering the steam generator from the water supply port 31 can be heated more sufficiently and vaporized sufficiently, and the phenomenon of water spraying or water leakage of the steam outlet 12 of the steam generator is avoided.

Specifically, the surrounding rib comprises a plurality of surrounding rib straight sections 291, the surrounding rib straight sections 291 are located at one end of the steam cavity close to the steam inlet 271, each surrounding rib straight section 291 is located between two adjacent steam outlets 12, and a gap 292 for steam flowing is arranged between two opposite surrounding rib straight sections 291. Therefore, after steam enters the steam cavity from the steam inlet 271, part of the steam continues to flow forward along the gap 292 away from the steam inlet 271, and part of the steam is guided to the steam inlet 271 by each straight section 291 of the surrounding rib and is sprayed out.

The rail further comprises a rail bending section located at one end of the steam cavity far away from the steam inlet 271, that is, the rail bending section is arranged at the downstream of the steam flowing of the rail straight section 291. In a preferred embodiment, the rib bending section includes a lower arc-shaped rib 293 and an upper arc-shaped rib 294 opposite to the notch 292, the length of the lower arc-shaped rib 293 is longer than that of the upper arc-shaped rib 294, and the lower arc-shaped rib 293 and the upper arc-shaped rib 294 are connected by a connecting rib 295. The reason of so arranging, it is just enough effective evaporation to consider steam at the short straight section 291 of enclosing muscle of stroke mainly, and when steam arrived the curved section region of enclosing muscle, the temperature was showing and has reduced, and in order to compensate the influence that the temperature descends, the curved section of enclosing muscle sets up to arc and multistage integrated configuration and prolongs the route of marcing of steam and increase the heating area to steam, reaches the effect to steam supplementary heating.

The utility model discloses still disclose an electric iron, have aforementioned steam generator, be favorable to improving the steam volume, improve the steam continuity, improve steam and bottom plate temperature, can not produce the water spray phenomenon simultaneously. Specifically, the electric iron further comprises a housing, a water tank arranged in the housing, a control circuit board and a water pump connected between the water tank and the water supply opening 31 of the cover plate 3, wherein the water pump is controlled by the control circuit board to work so as to feed water in the water tank from the water supply opening 31 as required, the water is heated and vaporized to form steam in the process of flowing to the steam cavity along the first steam channel 26 and the second steam channel 28 in the steam generator, finally the steam is sprayed to clothes from each steam outlet 12 so as to moisten the clothes, and then the clothes are ironed and shaped by the ironing area 11 of the ironing panel 1.

In one embodiment, a first detecting seat 213 is disposed on the upper side of the heating bottom plate 21 near the water inlet level 23, a temperature sensor 5 is fixed on the first detecting seat 213, and the temperature sensor 5 is electrically connected to the control circuit board. The temperature sensor 5 is arranged on the heating bottom plate 21 and is positioned in the central area of water heat exchange, the temperature sensing is sensitive, the actual temperature of the heating bottom plate 21 can be quickly transmitted to the control circuit board, and a basis is provided for the control circuit board to control the work of the water pump by using the temperature, for example, if the actual temperature is detected to be higher than a preset value, the control circuit board controls the water pump to increase the water supply amount to the steam generator; on the contrary, if the actual temperature is lower than the preset value, the control circuit board controls the water pump to reduce the water supply amount to the steam generator, so that the actual temperature of the heating bottom plate 21 is stabilized in a heat balance, the phenomenon of water spraying from the steam outlet 12 due to insufficient vaporization of water when the actual temperature of the heating bottom plate 21 is too low is avoided, and the phenomenon of steam interruption of the steam outlet 12 due to rapid vaporization of water when the actual temperature of the heating bottom plate 21 is too high is also avoided.

In one embodiment, a second detecting seat 214 is disposed on an end of the upper side of the heating bottom plate 21 away from the water inlet level 23, a temperature controller 4 is mounted on the second detecting seat 214, and the temperature controller 4 is electrically connected in series with the heating body 22. For example, the thermostat 4 is located between two through holes 261. The utility model discloses arrange temperature controller 4 in the hot junction region of heating bottom plate 21, temperature controller 4 is as the temperature regulating element of mechanical type flatiron, and is in the more violent place of hydrothermal exchange, and the temperature sensing is sensitive for steam generator's job stabilization is reliable.

In one embodiment, in order to further protect the steam generator and avoid that the heating element 22 continuously generates heat even in a water-deficient state to cause the temperature of the ironing area 11 of the ironing panel 1 to be too high and damage the clothes due to the heat when the temperature controller 4 fails, a third detecting seat 215 is disposed at the upper side end of the heating base plate 21, a thermal fuse 6 is mounted on the third detecting seat 215, and the thermal fuse 6 is electrically connected in series with the heating element 22. When the temperature sensor 5 detects that the actual temperature of the heating bottom plate 21 is higher than the fusing temperature of the thermal link 6, the thermal link 6 fuses to make the heating body 22 unable to continue to be powered on to generate heat, thereby stopping the operation of the steam generator.

In order to maintain the steam generator conveniently, the temperature controller 4, the temperature sensor 5 and the thermal fuse 6 are exposed out of the cover plate 3, and the temperature controller 4, the temperature sensor 5 and the thermal fuse 6 can be replaced and maintained without detaching the cover plate 3.

After water in the water tank enters the steam generator from the water supply port 31 of the cover plate 1, two paths of water are separated from the water inlet level 23 and flow from the two first steam channels 26 respectively to be heated by the heating bottom plate 21, the water is vaporized basically when reaching the position of the through hole 261 at the tail end of the first steam channel 26, the discharged steam is ensured not to carry water, then a small amount of water and steam enter the second steam channel 28 through the through hole 261, the water and the steam are further heated by the heating bottom plate 21, the water can be rapidly and completely vaporized, finally, the steam enters the steam cavity and is continuously and uniformly sprayed to clothes from the steam outlet 12, the water spraying or water leakage phenomenon cannot be generated, the ironing effect is ensured, and the ironing efficiency can be improved.

To sum up, the utility model discloses a steam generator, overall structure is simple, the vaporizer is at the last side of bottom plate 21 that generates heat, the downside sets up the double-deck vaporization passageway of first steam passageway 26 and second steam passageway 28 respectively, make two tunnel evaporation of moisture division, promote the evaporation effect and shortened the evaporation time, the vaporization distance that water was heated has been lengthened, it is more abundant to make the heating, can show and promote the evaporation effect, thereby can avoid water not by abundant heating vaporization or heating to lead to steam to form the comdenstion water before 12 blowout from steam outlet inadequately, thereby avoided steam generator because of heating not enough produce water spray phenomenon, and be favorable to guaranteeing electric iron's ironing effect and improvement ironing efficiency.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A steam generator comprises an ironing panel, a vaporizing chamber and a cover plate, wherein the ironing panel is provided with an ironing area, a plurality of steam outlets are distributed on the ironing area, the ironing panel is connected to the lower side surface of a steam chamber in a sealing manner, the cover plate is provided with a water supply port, and the cover plate is connected to the upper side surface of the steam chamber in a sealing manner; the vaporizing chamber comprises a heating bottom plate with an embedded heating body, and the upper side surface of the heating bottom plate is provided with a water inlet position communicated with the water supply port and a first steam channel extending from the water inlet position; the steam heating device is characterized in that the number of the first steam channels is at least two, and the tail end of each first steam channel is provided with a through hole penetrating through the heating bottom plate; the lower side surface of the heating bottom plate is provided with at least two second steam channels communicated between the through holes and the ironing area.

2. The steam generator as claimed in claim 1, wherein the upper side of the heat-generating bottom plate is provided with an upper enclosure at a periphery thereof, the upper side of the heat-generating bottom plate is provided with first blocking ribs at two opposite sides of the water inlet level, a continuous first gap is provided between two adjacent first blocking ribs or/and between the first blocking ribs and the upper enclosure, and the first gap is covered by the cover plate to form the first steam channel.

3. The steam generator of claim 2, wherein the two first steam passages are symmetrically distributed on both sides of the water inlet level.

4. The steam generator as claimed in claim 1, wherein the periphery of the lower side of the heat generating base plate is provided with a lower dam, the lower side of the heat generating base plate is provided with a second blocking rib at an inner side of the lower dam, a continuous second gap is provided between the lower dam and the second blocking rib, the through hole is provided at one end of the second gap, and a steam inlet is provided at an end of the second blocking rib far from the through hole, and a second steam passage is formed between the ironing panel and the second gap.

5. The steam generator of claim 4, wherein the second barrier rib and the ironing area enclose to form a steam cavity, and a second gap communicating between each through hole and the steam inlet is sealed by the ironing panel to form a second steam channel.

6. The steam generator of claim 4, wherein a circumferential groove corresponding to the second blocking rib is formed on the ironing panel around the ironing zone, and the second blocking rib is inserted into the circumferential groove; two circles of third blocking ribs are arranged on the periphery of the surrounding groove, a third gap is formed between the two circles of third blocking ribs, and the lower surrounding baffle is inserted into the third gap.

7. The steam generator as claimed in claim 4, wherein the lower side of the heat-generating bottom plate is provided with a plurality of ribs inside the second blocking ribs, the ribs comprise a plurality of straight rib sections, each straight rib section is located between two adjacent steam outlets, and a gap is formed between two oppositely arranged straight rib sections.

8. The steam generator of claim 7, wherein the ribs further comprise a rib bending section located at an end of the steam chamber far away from the steam inlet, the rib bending section comprises a lower arc-shaped rib and an upper arc-shaped rib which are opposite to the notch, the length of the lower arc-shaped rib is longer than that of the upper arc-shaped rib, and the lower arc-shaped rib and the upper arc-shaped rib are connected through a connecting rib.

9. An electric iron having the steam generator according to any one of claims 1 to 8, further comprising a housing, a water tank provided in the housing, a control circuit board, and a water pump connected between the water tank and a water supply port of the cover plate; the side is equipped with first detection seat near the water level on the bottom plate that generates heat, is fixed with temperature sensor on first detection seat, and temperature sensor and control circuit board electric connection control the work of water pump according to temperature sensor's testing result by control circuit board.

10. An electric iron as claimed in claim 9, characterized in that a second detecting seat is provided at an end of the upper side of the heating soleplate, which is far from the water inlet level, and a temperature controller is mounted on the second detecting seat and electrically connected in series with the heating element; or/and a third detection seat is arranged at the upper side end of the heating bottom plate, a thermal fuse is arranged on the third detection seat, and the thermal fuse is electrically connected in series with the heating body.