CN220867800U - Steam generating device and ironing machine - Google Patents

Abstract

The application provides a steam generating device and an ironing machine, wherein the steam generating device comprises an ironing head and a main machine for placing the ironing machine; the main machine comprises a first reheating component, the ironing head comprises a second reheating component and a temperature sensor, the first reheating component is communicated with the second reheating component through a pipeline, the second reheating component is provided with a steam channel, and the steam channel is provided with a steam inlet communicated with the first reheating component and a steam outlet communicated with the external atmosphere; at least two temperature sensors are distributed on the second reheating component at intervals; the steam generating device has the advantages that the liquid to be heated is heated by the first reheating component and is conveyed to the second reheating component at a certain temperature, the temperature control difficulty of the second reheating component is reduced, then the temperature change at two ends of the steam channel is detected by adopting two-point temperature, the power of the second reheating component and/or the power of the first reheating component are adjusted, and the temperature of the steam output by the steam channel is accurately controlled within the threshold range.

Description

Steam generating device and ironing machine

Technical Field

The application relates to the technical field of household appliances, in particular to a steam generating device and an ironing machine.

Background

In order to improve the steam quantity and solve the problem of water leakage of the ironing heads, the prior ironing machine is generally provided with heating assemblies respectively at the main machine and the ironing heads so as to obtain a large steam quantity or a high steam temperature, but the high steam temperature is easy to be caused, the control of the steam temperature in a stable zone is difficult, and the ironing effect is uneven.

Disclosure of Invention

Accordingly, it is necessary to provide a steam generating device and an ironing machine, which solve the problem that the control of the steam temperature is difficult when the heating means is provided in the main unit and the ironing head, respectively, of the conventional ironing machine.

A steam generating device, comprising:

An ironing head and a host for placing the ironing head;

The main machine comprises a first reheating component, the ironing head comprises a second reheating component and a temperature sensor, the first reheating component is communicated with the second reheating component through a pipeline, the first reheating component is communicated with a water tank, the second reheating component is provided with a steam channel, and the steam channel is provided with a steam inlet communicated with the first reheating component and a steam outlet communicated with the external atmosphere;

The number of the temperature sensors is at least two, and at least two temperature sensors are distributed on the second reheating component at intervals and are used for detecting the temperatures at two ends of the steam channel and feeding back the temperatures to the second reheating component and/or the first reheating component.

According to the steam generating device disclosed by the first aspect of the application, the first reheating component and the second reheating component are respectively arranged on the main machine and the ironing head, firstly, liquid to be heated in the water tank is conveyed to the first reheating component to be heated so as to obtain water-containing steam with a certain temperature, then the water-containing steam is conveyed to the steam channel in the second reheating component to be heated again so as to obtain anhydrous steam, finally, at least two temperature sensors are arranged on the second reheating component, preferably, the number of the temperature sensors is two, the two temperature sensors respectively measure the temperature values at the two ends of the steam channel, and the output power of the second reheating component is controlled according to the measured temperature values, so that the temperature values measured by the temperature sensors at the steam outlet of the adjacent steam channel are controlled within a threshold range; according to the steam generating device with the structure, the liquid to be heated is heated by the first reheating component and is conveyed to the second reheating component at a certain temperature, so that the temperature control difficulty of the second reheating component is reduced, and then the heating power of the second reheating component and/or the first reheating component can be timely adjusted by adopting two-point temperature detection to detect the temperature changes at two ends of the steam channel, so that the steam temperature output by the steam channel is accurately controlled within the threshold range.

In one embodiment, the host further comprises a water pump and a water tank, and the first reheating component is communicated with the water tank through the water pump.

The steam generating device in the above embodiment further defines that the main unit further includes a water pump and a water tank, and the first reheating component is communicated with the water tank through the water pump, and when in operation, the liquid to be heated in the water tank is conveyed to the first reheating component for heating under the action of the water pump.

In one embodiment, the host further comprises a first housing, the water pump and the first reheating component are both located in a space formed in the first housing, and the water tank is detachably connected with the first housing.

In one embodiment, the first reheating component comprises an instant heating heater, a water inlet of the instant heating heater is communicated with the water tank, and an outlet of the instant heating heater is communicated with the steam inlet.

The steam generating device in the above embodiment further defines that the first reheating component heats the liquid to be heated for the first time through the instant heater, and compared with the instant heater, the instant heater can heat according to the preset temperature and generate the water-containing steam with the accurate temperature, thereby reducing the temperature control difficulty for the second heating. Specifically, the instant heater can immediately heat and rise to the required temperature when the liquid to be heated passes through the internal heating element, and the preheating time is saved without waiting for preheating.

In one embodiment, the first reheating component further comprises a temperature controller, wherein the temperature controller is electrically connected with the instant heating type heater and is used for detecting the temperature of the instant heating type heater and controlling the heating power of the instant heating type heater.

The steam generating device in the above embodiment is further defined that the temperature controller is disposed on the instant heating heater and is electrically connected with the instant heating heater, and the heating power of the instant heating heater can be controlled by monitoring the heating temperature of the instant heating heater and comparing with the corresponding threshold temperature, so as to ensure that the instant heating heater outputs water-containing steam with stable and precise temperature.

In one embodiment, the steam channel comprises a first flow channel, a second flow channel, a third flow channel, a fourth flow channel and a central flow channel, wherein the first flow channel and the second flow channel are symmetrically distributed on two sides of the central flow channel, the third flow channel and the fourth flow channel are symmetrically distributed on two sides of the central flow channel, the steam inlet is respectively communicated with the inlet of the first flow channel and the inlet of the second flow channel, the outlet of the first flow channel and the outlet of the second flow channel are respectively communicated with the inlet of the central flow channel, the outlet of the central flow channel is respectively communicated with the inlet of the third flow channel and the inlet of the fourth flow channel, and the outlet of the third flow channel and the outlet of the fourth flow channel are respectively communicated with the steam outlet;

The third flow channel is arranged adjacent to the first flow channel and is positioned at the outer side of the first flow channel, and the fourth flow channel is arranged adjacent to the second flow channel and is positioned at the outer side of the second flow channel.

The steam generating device in the above embodiment further defines that the first reheating component conveys the water vapor to the steam inlet through the pipeline, the water vapor enters the steam channel through the steam inlet, the water vapor is divided into two parts by taking the steam inlet as a base point, one part of the water vapor enters the first flow channel, the other part of the water vapor enters the second flow channel, the two parts of the water vapor respectively flow out after being heated in the first flow channel and the second flow channel and are converged at the central flow channel to be continuously heated so as to obtain anhydrous steam, wherein one part of the anhydrous steam enters the third flow channel, the other part of the anhydrous steam enters the fourth flow channel, the two parts of the anhydrous steam respectively flow out after being heated in the third flow channel and the fourth flow channel and are converged at the steam outlet, and finally the anhydrous steam is discharged through the steam outlet.

In one embodiment, at least one of the temperature sensors is disposed adjacent to the steam outlet, and at least one of the temperature sensors is disposed adjacent to the central flow passage.

The steam generating device of the above embodiment, further defining at least one temperature sensor for measuring a temperature of the steam channel adjacent the steam outlet, and further, at least one temperature sensor for measuring a temperature of the steam channel adjacent the central flow passage; specifically, the water-containing steam enters the steam channel from the steam inlet, is divided into two parts, flows through the first flow channel and the second flow channel respectively, is converged at the central flow channel and is continuously heated to obtain anhydrous steam, the heating power of the second reheating component is reduced or the heating of the second reheating component is stopped according to the temperature value measured by one of the temperature sensors at the central flow channel, if the temperature value is greater than a temperature threshold range, the heating power of the second reheating component is increased, if the temperature value is less than the temperature threshold range, the heating power of the second reheating component is maintained, and if the temperature value is in the temperature threshold range, the heating power of the second reheating component is maintained, so that the temperature value of the steam measured by the temperature sensor positioned adjacent to the steam outlet is ensured to be maintained in the temperature threshold range.

In one embodiment, the second reheating component comprises a steam cavity and a heating tube, the heating tube is arranged on the steam cavity, and a drainage plate is arranged in the steam cavity to divide the inner part of the steam cavity into the steam channels.

In one embodiment, the heat pipe is die-cast with the steam cavity.

In the above embodiment, it is further defined that the heat generating tube is integrally formed with the steam cavity by die casting to improve heat transfer efficiency.

In one embodiment, the heating tubes are strip-shaped and distributed in the steam cavity in a roundabout way.

In the above embodiment, it is further defined that the heating tube is strip-shaped and is distributed in the steam cavity in a roundabout manner, so as to increase the contact area between the heating tube and the steam cavity and improve the heat transfer efficiency.

In one embodiment, the steam cavity is made of metal aluminum, and the temperature sensor is respectively attached to the surface of the steam cavity to measure the corresponding temperature values of the steam cavity at different positions. At least one temperature sensor is arranged at the position, close to the steam exhaust port, of the steam cavity, and at least one temperature sensor is arranged at the position, close to the central flow passage, of the steam cavity.

An ironing machine, comprising:

the steam generating device, the ironing panel and the handheld shell;

The ironing panel cover is arranged at an opening formed by the handheld shell, the second reheating component and the temperature sensor are both positioned in a space enclosed by the ironing panel and the handheld shell, and the ironing panel and the steam exhaust port are oppositely arranged.

Drawings

FIG. 1 is a schematic view of a steam generator in one embodiment;

fig. 2 is a schematic structural view of an ironing head in one embodiment;

FIG. 3 is a perspective view of an ironing press in one embodiment;

FIG. 4 is an exploded view of an ironing press in one embodiment;

figure 5 is an exploded view of a portion of the structure of an ironing press in one embodiment.

Reference numerals:

110 second reheating component, 120 temperature sensor, 130 hand-held shell, 111 heating tube, 112 steam cavity, 113 drainage plate, 114 steam channel, 1141 first runner, 1142 second runner, 1143 third runner, 1144 fourth runner, 1145 central runner, 101 steam inlet, 102 steam outlet;

210 a first reheating component, 220 a water tank, 230 a water pump, 240 a first shell, 211 an instant heating type heater and 212 a temperature controller;

300 ironing a panel;

400 hand-held housing.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein.

As shown in fig. 1 to 2: the present embodiment provides a steam generating apparatus including:

An ironing head and a host for placing the ironing head;

The main machine comprises a first reheating component 210, the ironing head comprises a second reheating component 110 and a temperature sensor 120, the first reheating component 210 is communicated with the second reheating component 110 through a pipeline, the first reheating component 210 is communicated with a water tank 220, the second reheating component 110 is provided with a steam channel 114, and the steam channel 114 is provided with a steam inlet 101 communicated with the first reheating component 210 and a steam outlet 102 communicated with the external atmosphere;

The number of the temperature sensors 120 is at least two, and at least two temperature sensors 120 are distributed on the second reheating component 110 at intervals and are used for detecting the temperatures of two ends of the steam channel 114 and feeding back the temperatures to the second reheating component 110 and/or the first reheating component 210.

In the steam generating device, the first reheating component 210 and the second reheating component 110 are respectively arranged on the main machine and the ironing head, firstly, the liquid to be heated in the water tank 220 is conveyed to the first reheating component 210 to be heated so as to obtain water vapor with a certain temperature, then the water vapor is conveyed to the steam channel 114 in the second reheating component 110 to be heated again so as to obtain anhydrous steam, finally, at least two temperature sensors 120 are arranged on the second reheating component 110, preferably, the number of the temperature sensors 120 is two, the two temperature sensors 120 respectively measure the temperature values at the two ends of the steam channel 114, and the output power of the second reheating component 110 is controlled according to the measured temperature values so as to ensure that the temperature values measured by the temperature sensors 120 at the steam outlet 102 adjacent to the steam channel 114 are controlled within a threshold range; the steam generating device with the above structure heats the liquid to be heated at the first reheating component 210 to have a certain temperature and then transmits the heated liquid to the second reheating component 110, so that the temperature control difficulty of the second reheating component 110 is reduced, and then the heating power of the second reheating component 110 and/or the first reheating component 210 can be timely adjusted by adopting two-point temperature detection to detect the temperature changes at two ends of the steam channel 114, so that the steam temperature output by the steam channel 114 is accurately controlled within the threshold range.

Specifically, the principle of the steam generating device of the present application is that by conveying the liquid to be heated to the first reheating component 210 to heat according to the first preset temperature, water-containing steam with stable and accurate temperature is obtained, then the water-containing steam is conveyed to the steam channel 114 in the second reheating component 110 to heat secondarily according to the second preset temperature, because the water-containing steam already has a certain temperature, the second reheating component 110 does not need to heat and control the temperature of the water-containing steam in a large span, so that the temperature control difficulty of the second reheating component 110 can be reduced, then the first temperature value of the steam cavity 112 near the steam outlet 102 and the second temperature value of the steam cavity 112 near the central runner 1145 are respectively obtained through at least two temperature sensors 120, and the heating power of the second reheating component is controlled by comparing the second temperature value with the temperature threshold range, so as to ensure that the steam temperature near the steam outlet 102 is maintained within the temperature threshold range; by the control method of the steam generating device, the temperature of the steam channel 114 and the ironing panel 300 of the steam action object are maintained within the temperature threshold range, so that the variation range of the steam temperature in the steam channel 114 is small, and further, low-temperature ironing is realized, so that the steam achieves better balance in terms of visual effect, steam quantity and stability.

Further, if the first temperature value is outside the temperature threshold range, the heating power of the first reheating component 210 is adjusted.

As shown in fig. 1, 3, and 4, this embodiment further defines, in addition to the features of the above-described embodiment: the main unit further includes a water pump 230 and a water tank 220, and the first reheating component 210 is communicated with the water tank 220 through the water pump 230.

The above embodiment further defines that the host machine further includes a water pump 230 and a water tank 220, and the first reheating component 210 is communicated with the water tank 220 through the water pump 230, and in operation, the liquid to be heated in the water tank 220 is conveyed to the first reheating component 210 for heating under the action of the water pump 230.

As shown in fig. 3 to 4, this embodiment further defines, in addition to the features of the above-described embodiment: the main unit further includes a first housing 240, and the water pump 230 and the first reheating unit 210 are both disposed in a space formed in the first housing 240, and the water tank 220 is detachably connected to the first housing 240.

As shown in fig. 1, this embodiment further defines, in addition to the features of the above-described embodiment: the first reheating component 210 includes an instant heating type heater 211, a water inlet of the instant heating type heater 211 is communicated with the water tank 220, and an outlet of the instant heating type heater 211 is communicated with the steam inlet 101.

The above embodiment further defines that the first reheating component 210 heats the liquid to be heated for the first time through the instant heater 211, and compared with the instant heater, the instant heater 211 can heat according to the preset temperature and generate the water vapor with accurate temperature, so that the difficulty of temperature control is reduced for the second heating. Specifically, the instant heater 211 can be heated and raised to a desired temperature immediately when the liquid to be heated passes through by the internal heating element without waiting for preheating, saving the preheating time.

As shown in fig. 1, this embodiment further defines, in addition to the features of the above-described embodiment: the first reheating component 210 further includes a temperature controller 212, the temperature controller 212 is electrically connected to the instant heating heater 211, and the temperature controller 212 is used for detecting the temperature of the instant heating heater 211 and controlling the heating power of the instant heating heater.

The above embodiment further defines that the temperature controller 212 is disposed on the instant heater 211 and is electrically connected to the instant heater 211, so that the heating power of the instant heater 211 can be controlled by monitoring the heating temperature of the instant heater 211 and comparing with the corresponding threshold temperature, thereby ensuring that the instant heater 211 outputs water vapor with stable and precise temperature.

As shown in fig. 1 and 2, this embodiment further defines, in addition to the features of the above-described embodiment: the steam channel 114 includes a first flow channel 1141, a second flow channel 1142, a third flow channel 1143, a fourth flow channel 1144 and a central flow channel 1145, the first flow channel 1141 and the second flow channel 1142 are symmetrically distributed on two sides of the central flow channel 1145, the third flow channel 1143 and the fourth flow channel 1144 are symmetrically distributed on two sides of the central flow channel 1145, the steam inlet 101 is respectively communicated with an inlet of the first flow channel 1141 and an inlet of the second flow channel 1142, an outlet of the first flow channel 1141 and an outlet of the second flow channel 1142 are respectively communicated with an inlet of the central flow channel 1145, an outlet of the central flow channel 1145 is respectively communicated with an inlet of the third flow channel 1143 and an inlet of the fourth flow channel 1144, and an outlet of the third flow channel 1143 and an outlet of the fourth flow channel 1144 are respectively communicated with the steam outlet 102;

Wherein the third flow channel 1143 is disposed adjacent to the first flow channel 1141 and is located outside the first flow channel 1141, and the fourth flow channel 1144 is disposed adjacent to the second flow channel 1142 and is located outside the second flow channel 1142.

The above embodiment further defines that the first reheating component 210 delivers the water vapor to the steam inlet 101 through the pipe, the water vapor enters the steam channel 114 through the steam inlet 101, the water vapor is divided into two parts by taking the steam inlet 101 as a base point, one part of the water vapor enters the first flow channel 1141, the other part of the water vapor enters the second flow channel 1142, the two parts of the water vapor flow out after being heated in the first flow channel 1141 and the second flow channel 1142 respectively and are converged at the central flow channel 1145 to be heated continuously to obtain anhydrous vapor, one part of the anhydrous vapor enters the third flow channel 1143, the other part of the anhydrous vapor enters the fourth flow channel 1144, the two parts of the anhydrous vapor flow out after being heated in the third flow channel 1143 and the fourth flow channel 1144 respectively and are converged at the steam outlet 102, and finally the anhydrous vapor is discharged through the steam outlet 102.

Specifically, the first flow channel 1141, the central flow channel 1145, and the third flow channel 1143 are in communication and have a meandering shape, and the second flow channel 1142, the central flow channel 1145, and the fourth flow channel 1144 are in communication and have a meandering shape.

As shown in fig. 1 to 2, this embodiment further defines, in addition to the features of the above-described embodiment: at least one temperature sensor 120 is disposed adjacent the exhaust port 102, and at least one temperature sensor 120 is disposed adjacent the central flow passage 1145.

The above-described embodiments further define at least one temperature sensor 120 for measuring a temperature of the steam channel 114 adjacent the exhaust port 102, and further, the at least one temperature sensor 120 for measuring a temperature of the steam channel 114 at the central flow passage 1145; specifically, the water-containing steam enters the steam channel 114 from the steam inlet 101, flows through the first flow channel 1141 and the second flow channel 1142 respectively, merges at the central flow channel 1145 and continues to be heated to obtain anhydrous steam, and according to the temperature value measured by one of the temperature sensors 120 at the central flow channel 1145, if the temperature value is greater than the temperature threshold range, the heating power of the second reheating component 110 is reduced or the heating of the second reheating component 110 is suspended, if the temperature value is less than the temperature threshold range, the heating power of the second reheating component 110 is increased, and if the temperature value is within the temperature threshold range, the heating power of the second reheating component 110 is maintained to ensure that the temperature value measured by the temperature sensor 120 located adjacent to the steam outlet 102 is maintained within the temperature threshold range.

As shown in fig. 2, this embodiment further defines, in addition to the features of the above-described embodiment: the second reheating component 110 comprises a steam cavity 112 and a heating tube 111, the heating tube 111 is arranged on the steam cavity 112, and a drainage plate 113 is arranged in the steam cavity 112 to divide the interior of the steam cavity 112 into steam channels 114.

Specifically, the steam cavity 112 is made of metal aluminum, and the temperature sensor 120 is respectively attached to the surface of the steam cavity 112 to measure the corresponding temperature values of the steam cavity 112 at different positions. Wherein, at least one temperature sensor 120 is disposed at a position of the steam cavity near the steam exhaust port, and at least one temperature sensor 120 is disposed at a position of the steam cavity near the central flow passage.

In addition to the features of the above embodiments, the present embodiment further defines: the heating tube 111 is die-cast integrally with the steam chamber 112.

The above-described embodiment further defines that the heat generating tube 111 is integrated with the steam cavity 112 by die casting to improve heat transfer efficiency.

As shown in fig. 2, this embodiment further defines, in addition to the features of the above-described embodiment: the heating tubes 111 are strip-shaped and are distributed in the steam cavity 112 in a roundabout manner.

The above embodiment further defines that the heat generating tube 111 is strip-shaped and is distributed in the steam cavity 112 in a roundabout manner, so as to increase the contact area between the heat generating tube 111 and the steam cavity 112 and improve the heat transfer efficiency.

As shown in fig. 1, 3 to 5, the present embodiment further provides an ironing machine, comprising the steam generating device and ironing panel 300 described above, and a hand-held housing 400; the ironing board 300 is covered at the opening formed by the handheld shell 400, and the second reheating component 110 and the temperature sensor 120 are both positioned in the space enclosed by the ironing board 300 and the handheld shell 400, and the ironing board 300 is arranged opposite to the steam exhaust port 102.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. A steam generating apparatus, comprising:

An ironing head and a host for placing the ironing head;

The main machine comprises a first reheating component (210), the ironing head comprises a second reheating component (110) and a temperature sensor (120), the first reheating component (210) is communicated with the second reheating component (110) through a pipeline, the first reheating component (210) is communicated with a water tank (220), the second reheating component (110) is provided with a steam channel (114), and the steam channel (114) is provided with a steam inlet (101) communicated with the first reheating component (210) and a steam outlet (102) communicated with the external atmosphere;

The number of the temperature sensors (120) is at least two, at least two temperature sensors (120) are distributed on the second reheating component (110) at intervals, and the temperature sensors are used for detecting the temperatures at two ends of the steam channel (114) and feeding back the temperatures to the second reheating component (110) and/or the first reheating component (210).

2. The steam generator according to claim 1, wherein the main unit further comprises a water pump (230) and a water tank (220), the first reheating component (210) being in communication with the water tank (220) through the water pump (230).

3. The steam generator according to claim 1, wherein the first reheating component (210) comprises an instant heating heater (211), a water inlet of the instant heating heater (211) is communicated with a water tank (220), and an outlet of the instant heating heater (211) is communicated with the steam inlet (101).

4. A steam generator according to claim 3, wherein the first reheating component (210) further comprises a temperature controller (212), the temperature controller (212) being electrically connected to the instant heating heater (211), the temperature controller (212) being adapted to detect the temperature of the instant heating heater (211) and to control the heating power of the instant heating heater (211).

5. The steam generating device according to claim 1, wherein the steam channel (114) comprises a first flow channel (1141), a second flow channel (1142), a third flow channel (1143), a fourth flow channel (1144) and a central flow channel (1145), the first flow channel (1141) and the second flow channel (1142) are symmetrically distributed on both sides of the central flow channel (1145), the third flow channel (1143) and the fourth flow channel (1144) are symmetrically distributed on both sides of the central flow channel (1145), the steam inlet (101) is respectively communicated with an inlet of the first flow channel (1141) and an inlet of the second flow channel (1142), an outlet of the first flow channel (1141) and an outlet of the second flow channel (1142) are respectively communicated with an inlet of the central flow channel (1145), an outlet of the central flow channel (1145) is respectively communicated with an inlet of the third flow channel (1143), an inlet of the fourth flow channel (1144), and an outlet of the third flow channel (1143) are respectively communicated with an outlet of the fourth flow channel (1144);

Wherein the third flow channel (1143) is disposed adjacent to the first flow channel (1141) and is located outside the first flow channel (1141), and the fourth flow channel (1144) is disposed adjacent to the second flow channel (1142) and is located outside the second flow channel (1142).

6. The steam generator according to claim 5, wherein at least one of the temperature sensors (120) is arranged adjacent to the exhaust port (102), at least one of the temperature sensors (120) being arranged adjacent to the central flow passage (1145).

7. The steam generating device according to claim 1, wherein the second reheating component (110) comprises a steam cavity (112) and a heating tube (111), the heating tube (111) is arranged on the steam cavity (112), and a drainage plate (113) is arranged in the steam cavity (112) to divide the interior of the steam cavity (112) into the steam channels (114).

8. A steam generator according to claim 7, wherein,

The heating tube (111) and the steam cavity (112) are die-cast into a whole.

9. The steam generator according to claim 7, wherein the heat generating tube (111) is strip-shaped and is distributed in the steam cavity (112) in a meandering manner.

10. An ironing machine, comprising:

The steam generating device and ironing board (300), hand-held housing (400) according to any of claims 1-9, wherein the ironing board (300) is arranged at an opening formed by the hand-held housing (400) in a covering manner, and the second reheating component (110) and the temperature sensor (120) are both positioned in a space enclosed by the ironing board (300) and the hand-held housing (400), and the ironing board (300) is arranged opposite to the steam outlet (102).