CN109706717B - Ironing device capable of switching ironing modes - Google Patents

Abstract

The invention discloses an ironing device with switchable ironing modes. The ironing device includes an ironing cabinet. The ironing cabinet includes a steam generation module, a main control module, a steam output module, an air return module, a power supply and a signal transmission module. The steam generation module includes a steam furnace and a steam generator. The electric heating element for heating the steam furnace; the steam output module includes a steam output pipe connected with the inside of the steam furnace; the air return module includes an air return pipe with one end connected to the outside; the power supply And the signal transmission module is electrically connected to the main control module, and the main control module controls the on and off of the power supply and signal transmission module to the outside world; the present invention can choose to connect a steam electric iron or a pure steam iron to the ironing cabinet. Any one of them can realize switching between a pure steam iron and an electric steam iron on an ironing cabinet; therefore, it is helpful to improve the versatility of the ironing device, thereby reducing the user's cost.

Description

An ironing device with switchable ironing modes

Technical field

The present invention relates to the technical field of ironing equipment, and in particular to an ironing device with switchable ironing modes.

Background technique

The ironing device usually includes a cabinet part and an iron part. The cabinet part includes a steam generator for generating steam. The iron part is connected to the steam generator of the cabinet through a steam transmission pipe, etc., so that the steam can be released by the iron to realize the treatment of clothes, etc. Ironing; There are currently two main types of ironing devices. One type of ironing device uses a pure steam iron, while the other type of ironing device uses an electric steam iron. Pure steam irons Ironing is performed only by steam heating, which is connected to the cabinet steam generator and return air pipe through the steam delivery pipe and return air delivery pipe respectively; while the electric steam iron can be ironed by steam and electric heating elements at the same time, which is delivered by steam The pipe is connected to the steam generator of the cabinet and the cabinet is connected to the cabinet to supply power to the iron through a power supply line; and the two irons are suitable for cloth clothes of different materials and thicknesses; however, the iron types of the two existing ironing devices are Fixed, it is impossible to switch the iron type; for units or individuals engaged in the clothing industry because they involve a wide variety of clothes, they usually need to configure the above two types of ironing devices at the same time to achieve the ability to control different materials and thicknesses. The need for ironing clothes not only increases the purchase cost of the equipment, but also often requires frequent replacement of the entire ironing device during use, which also brings a lot of inconvenience to the ironing operation.

Contents of the invention

In order to overcome the shortcomings of the prior art, the present invention provides a switchable ironing device that can be connected to either a pure steam iron or an electric steam iron, thereby realizing switching between a pure steam ironing mode and an electric steam ironing mode. Mode ironing device.

The technical solutions adopted by the present invention to solve the technical problems are:

An ironing device with switchable ironing modes, including an ironing cabinet, a pure steam iron and a steam electric iron;

The ironing cabinet includes a steam generation module, a main control module, a steam output module, an air return module, a power supply and a signal transmission module; the steam generation module includes a steam furnace and an electric heating element for heating the steam furnace; The steam output module includes a steam output pipe connected to the inside of the steam furnace; the air return module includes an air return pipe with one end connected to the outside world; the power supply and signal transmission module is electrically connected to the main control module , the main control module controls the on and off of the power supply and signal transmission module to the outside world;

The pure steam iron is provided with a steam delivery pipe and a return air delivery pipe, and the steam electric heating iron is provided with a steam delivery pipe and a power supply and signal transmission line; the steam output pipe can be selected to be connected to any of a pure steam iron or a steam electric heating iron. A steam delivery pipe is connected, the return air delivery pipe is connected to the return air pipe, the power supply and signal transmission line is connected to the power supply and signal transmission module, and the ironing cabinet is connected to the power supply and signal transmission line through the power supply and signal transmission line. The power supply and signal transmission module supplies power to the steam electric heating iron.

As an improvement of the above technical solution, a water inlet module is also included. The water inlet module includes a water inlet pipe for connecting to the external water supply pipeline, a water inlet pump for delivering water to the inside of the steam furnace, and a water inlet pump arranged on the inside of the steam furnace. Water purification filter between the water inlet pipe and the water inlet pipe.

Furthermore, the water inlet module also includes an electromagnetic reversing valve. The inlet of the electromagnetic reversing valve is connected to the water inlet pump and the two outlets are connected to the steam furnace bladder and the exhaust pipe respectively. The electromagnetic reversing valve is connected to the main control valve. The module is electrically connected and controls the outlet of the water inlet pump to be selectively connected to the exhaust pipe or the steam furnace.

Further, a first temperature sensor is provided on the furnace wall of the steam furnace, and the first temperature sensor is electrically connected to the main control module. When the temperature of the furnace wall is greater than the set safety temperature, the main control module The module controls the electric heating element to stop working when the power is turned off.

Further, the upper part of the steam furnace is provided with a decompression exhaust port that communicates with the inside of the steam furnace. The decompression exhaust port is provided with a decompression automatic exhaust valve and is connected to an exhaust pipe.

Further, a steam pressure switch is provided on the steam furnace, and the steam pressure switch is electrically connected to the electric heating element. When the steam pressure inside the steam furnace is greater than the set safety pressure of the steam pressure switch, the electric heating is controlled. Components stop working when powered off.

Further, a drain pipe is provided at the bottom of the steam furnace bladder, and a drain solenoid valve is provided on the drain pipe. The drain solenoid valve is electrically connected to the main control module and controls the opening or closing of the drain pipe.

As an improvement to the above technical solution, the steam furnace is provided with a pressure sensor for detecting its internal pressure. The pressure sensor is electrically connected to the main control module. The main control module outputs a pressure value according to its built-in steam. The data transmitted by the pressure sensor controls the start and stop of the electric heating element or the heating power.

Further, the steam electric heating iron is provided with an auxiliary control module, which is electrically connected to the main control module through the power supply and signal transmission line, the power supply and signal transmission module, and realizes the steam output pressure value signal and steam pressure adjustment. Signal transmission; the auxiliary control module includes a pressure display screen for displaying the steam output pressure value and a pressure adjustment button for generating a steam pressure adjustment signal.

The beneficial effects of the present invention are: the ironing device is equipped with a steam output module, a power supply and signal transmission module, and an air return module at the same time, and the steam output module can be selectively connected to the steam delivery pipe of a pure steam iron or the steam delivery of a steam electric heating iron. pipe, and the power supply and signal transmission module can be connected to the power supply and signal transmission line of the steam electric heating iron to supply power to the steam electric heating iron, while the return air pipe in the air return module can be connected to the return air delivery pipe of the pure steam iron to supply power to the pure steam iron. Steam return; therefore, the operator can choose to connect either a steam electric iron or a pure steam iron to the ironing cabinet according to the material or thickness of the fabric to be ironed, thereby realizing a pure steam iron on an ironing cabinet Switching with electric steam iron; therefore, the present invention is conducive to improving the versatility of the ironing device, thereby reducing the user's cost.

Description of the drawings

The present invention will be further described below in conjunction with the accompanying drawings and examples.

Figure 1 is a schematic diagram of the overall structure of the ironing cabinet according to the present invention;

Figure 2 is a schematic diagram of the internal structure of the ironing cabinet according to the present invention after removing the casing;

Figure 3 is a schematic structural diagram of the steam electric heating iron according to the present invention;

Figure 4 is a schematic structural diagram of the pure steam iron according to the present invention;

Figure 5 is a schematic structural diagram of the display control panel in the present invention.

Detailed ways

Referring to Figures 1 to 4, embodiments of the present invention provide an ironing cabinet and an ironing device with switchable ironing modes. The ironing device includes the ironing cabinet, a pure steam iron and a steam electric iron; The ironing cabinet includes a steam generation module, a main control module 2, a steam output module 4, an air return module, a power supply and a signal transmission module; the steam generation module includes a steam furnace 11 and a furnace for heating the steam. The electric heating element 12 of the furnace 11; the steam output module 4 includes a steam output pipe 41 connected with the inside of the steam furnace 11; the air return module includes a return pipe 51 with one end connected to the outside; The power supply and signal transmission module is electrically connected to the main control module 2, and the main control module 2 controls the on and off of the power supply and signal transmission module to the outside world; the pure steam iron is provided with a steam delivery pipe 81 and a return air The steam electric heating iron is provided with a steam transportation pipe 81 and a power supply and signal transmission line 82; the steam output pipe 41 can be selectively connected to any steam transportation pipe 81 of a pure steam iron or a steam electric heating iron; The return air transport pipe 71 is connected to the other end of the return air pipe 51; the power supply and signal transmission line 82 is connected to the power supply and signal transmission module, and the ironing cabinet is connected to the power supply through the power supply and signal transmission line 82. and the signal transmission module supplies power to the steam electric iron.

When using the above-mentioned ironing device and ironing cabinet to perform ironing operations, the ironing device is equipped with a steam output module 4, a power supply and signal transmission module, and an air return module, and the steam output module 4 can optionally be connected to a pure steam iron. Or the steam delivery pipe 81 of any one of the steam electric irons, and the power supply and signal transmission module can be connected to the power supply and signal transmission line 82 of the steam electric iron for powering the steam electric iron, and the return pipe 51 in the air return module can be connected The air return pipe 71 of the pure steam iron is used to return steam to the pure steam iron; therefore, the operator can choose to connect a steam electric heating iron or a pure steam iron to the ironing cabinet according to the material or thickness of the fabric to be ironed. Any one of them, thereby realizing the switching between a pure steam iron and an electric steam iron on an ironing cabinet; therefore, it is beneficial to improve the versatility of the ironing device, so that the user does not need to configure two types of ironing devices, thereby reducing the user's cost.

Referring to Figure 5, in this embodiment, specifically, the main control module 2 includes a display control screen 21, and the display control screen 21 is provided with a "power switch" key 211, an "iron type" key 212, and an "iron type" key 211. "Steam Iron" key 213, "Heating Iron" key 214, "Iron Power" key 215, etc. Corresponding programs are preset in the main control module 2, so that the wake-up ironing function can be started by touching or pressing the "Power Switch" key 211. Ironing cabinet, and then touch or press the "iron type" key 212 to enter the step of selecting the iron type, and then touch or press the "steam iron" key 213 to make the ironing device enter the working mode of a pure steam iron; After touching or pressing the "iron type" key 212, and then touching or pressing the "heating iron" key 214 and the "iron power" key 215 in sequence, the ironing device enters the working mode of the steam electric iron, and the main control Module 2 controls the power supply and signal transmission module to provide power to the steam electric iron. At the same time, specifically, a "heating" flashing bar 2115 is provided on the display control screen 21. When the electric heating element 12 is powered on for heating, the "heating" flashing bar 2115 flashes.

In this embodiment, in order to facilitate the quick connection between the power supply and signal transmission module and the power supply and signal transmission line 82, specifically, the power supply and signal transmission module is provided with an aviation quick socket 31, and the power supply and signal transmission line 82 is provided with Matching aviation quick plug. Moreover, preferably, the electric heating element 12 is an electric heating tube and is arranged inside the steam furnace 11 so as to directly heat the water inside the steam furnace 11 and improve the heating efficiency. At the same time, specifically, the steam output pipe 41 is provided with an outlet solenoid valve 43 and a manual outlet valve 42. The outlet solenoid valve 43 is electrically connected to the main control module 2, and the steam passes through the outlet solenoid valve 43 and the manual outlet valve 42 at the same time. It can only be output after it is opened to improve safety performance.

Referring to FIG. 2 , in this embodiment, specifically, the ironing cabinet further includes a water inlet module. The water inlet module includes a water inlet pipe 61 for connecting to an external water supply pipe, and a water inlet pipe for connecting to the steam furnace bladder 11 The water inlet pump 62 for internal water delivery and the water purification filter 63 provided between the water inlet pump 62 and the water inlet pipe 61; through the above structure, tap water can be directly transported to the ironing cabinet through the external water supply pipeline, and the water purification filter 63 can be directly transported to the ironing cabinet through the external water supply pipeline. The water filter 63 can effectively remove a variety of impurities to prevent scale from being generated inside the steam furnace 11 and other pipelines, thereby causing malfunction or damage to the ironing device; and, specifically, the water inlet module also includes electromagnetic commutation Valve 64. The inlet of the electromagnetic reversing valve 64 is connected to the water inlet pump 62 and the two outlets are connected to the steam furnace 11 and the exhaust pipe 19 respectively. The electromagnetic reversing valve 64 is electrically connected to and controlled by the main control module 2. The outlet of the water inlet pump 62 is selectively connected to the exhaust pipe 19 or the steam furnace bladder 11 . At the initial stage of water inflow into the steam furnace bladder 11, there is still air inside the water inlet pipe 61, water inlet pump 62 and other structures. By arranging the above structure, in the early stage of water inflow, the main control module 2 controls the operation of the electromagnetic reversing valve 64, and the electromagnetic reversing valve 64 is controlled by the main control module 2. The outlet of the water inlet pump 62 is connected to the exhaust pipe 19 to discharge the air in the water inlet pipe 61 and the water inlet pump 62. After the air is discharged, the outlet of the water inlet pump 62 is controlled to be connected to the steam furnace gall 11 to realize the supply of air to the steam furnace gall. Water entered within 11 seconds.

Referring to Figure 2, in this embodiment, in order to realize automatic water addition and replenishment into the steam furnace 11, specifically, a water level sensor 65 is provided in the steam furnace 11, and the water level sensor 65 is electrically connected The main control module 2 controls the start and stop of the water inlet pump 62 according to the water level information detected by the water level sensor 65 . And, referring to Figure 5, specifically, a voice prompt module is also included, and the display control screen 21 is provided with a "water shortage" status display area 216 and an "automatic water addition" flashing bar 217. When the water level inside the steam furnace 11 is low When setting the water level, the "water shortage" status display area 216 lights up and the "automatic water addition" flashing bar 217 flashes. At the same time, the main control module 2 controls the water inlet pump 62 to start working and controls the voice prompt module to emit a water shortage prompt sound.

And, referring to Figure 5, specifically, the display control screen 21 is provided with a "steam pressure" display area 218, a "setting" key 219, a "pressure +" key 2110 and a "pressure -" key 2111. The "steam pressure" display area 218 is used to display the steam output pressure value; the main control module 2 is preset with a corresponding program. When the steam pressure needs to be adjusted, first press or touch the "setting" key 219, and then press or touch the "pressure +" key 2110 Or press the "pressure -" key 2111 to increase or decrease the steam output pressure value set by the main control module 2, thereby changing the steam pressure delivered to the steam electric iron or pure steam.

Referring to Figure 2, in this embodiment, specifically, a first temperature sensor 13 is provided on the furnace wall of the steam furnace 11, and the first temperature sensor 13 is electrically connected to the main control module 2. When the furnace When the temperature of the wall is greater than the set safety temperature, the main control module 2 controls the electric heating element 12 to cut off power and stop working. The above structure can prevent the electric heating element 12 from drying out the water inside the steam furnace 11 and then continuing to heat it when a malfunction occurs, thereby avoiding the problem of burning out the ironing cabinet or even causing a fire. And, referring to Figure 5, specifically, the display control screen 21 is provided with an "overheat protection" display area 2112. When the furnace wall temperature is greater than the set safety temperature, the "overheat protection" display area 2112 will be lit, and at the same time the main control Module 2 will also control the voice prompt module to issue an overheating warning sound.

Referring to Figure 2, in this embodiment, specifically, a decompression exhaust port 14 communicated with the inside of the steam furnace 11 is provided on the upper part of the steam furnace casing 11, and a decompression exhaust port 14 is provided on the decompression exhaust port 14. Press the automatic exhaust valve 15 and connect the exhaust pipe 19. When the steam pressure inside the steam furnace 11 exceeds the design pressure of the pressure reducing automatic exhaust valve 15, the pressure reducing automatic exhaust valve 15 will automatically open to release the steam inside the steam furnace 11 through the exhaust pipe 19. to prevent the steam pressure inside the steam furnace 11 from continuing to rise when a fault occurs; and, in order to achieve secondary protection, in this embodiment, specifically, a steam pressure switch 16 is provided on the steam furnace 11 , the steam pressure switch 16 is electrically connected to the electric heating element 12. When the steam pressure inside the steam furnace 11 is greater than the set safety pressure of the steam pressure switch 16, the electric heating element 12 is controlled to cut off power and stop working, thereby avoiding In the event of a malfunction, the steam boiler 11 generates more steam. At the same time, referring to Figure 5, specifically, the display control panel 21 is provided with an "overvoltage protection" display area 2113. When the steam pressure switch 16 cuts off power to the electric heating element 12, the "overvoltage protection" display area 2113 will be Lit, the main control module 2 will also control the voice prompt module to issue an overvoltage warning sound.

Referring to Figure 2, in this embodiment, in order to automatically discharge the remaining water and gas inside the steam furnace 11 after the ironing operation is completed, preferably, a drain pipe 17 is provided at the bottom of the steam furnace 11. A drain solenoid valve 18 is provided on the drain pipe 17 . The drain solenoid valve 18 is electrically connected to the main control module 2 and controls the opening or closing of the drain pipe 17 . Referring to Figure 5, and specifically, the display control screen 21 is provided with an "automatic drain" key 2114; the main control module 2 is preset with a corresponding program. During the work process, when the "automatic drain" key is pressed or touched 2114, and then press or touch the "power switch" key 211, the main control module 2 will control the drain solenoid valve 18 to start, discharge the water and gas inside the steam furnace 11 through the drain pipe 17, and then cut off the power and shut down; and At the same time, the main control module 2 will also control the voice prompt module to issue a sewage discharge voice prompt to remind the user not to cut off the main power supply during the sewage discharge process.

Referring to Figure 2, in this embodiment, specifically, the steam furnace 11 is provided with a pressure sensor 110 for detecting its internal pressure. The pressure sensor 110 is electrically connected to the main control module 2. The electric heater The element 12 is electrically connected to the main control module 2. The main control module 2 controls the start and stop of the electric heating element 12 or the heating power according to its built-in steam output pressure value and the data transmitted by the pressure sensor 110. And, specifically, when the steam pressure inside the steam furnace 11 is greater than the steam output pressure value set by the main control module 2, the main control module 2 controls the electric heating element 12 to stop working or reduce the heating power; When the steam pressure inside the steam furnace 11 is less than the steam output pressure value set by the main control module 2, the main control module 2 controls the electric heating element 12 to start working or increase the heating power. Therefore, through the above structure, the steam pressure delivered to the steam electric iron or pure steam is basically maintained stably at the steam output pressure value set by the main control module 2 .

Referring to Figure 3, the steam electric iron also includes a base plate 86, an auxiliary control module 83, and a steam switch; the steam generated from the steam generator will be transported to the base plate through the steam output pipe 41 and the steam delivery pipe 81 in sequence. 86; The steam switch is used to control the steam transported by the steam delivery pipe 81 to be ejected from the bottom plate 86; the power supply and signal transmission line 82 and the power supply and signal transmission module are both used to provide power to the steam electric heating iron. It is also used to transmit the steam output pressure value signal and the steam pressure adjustment signal between the auxiliary control module 83 and the main control module 2 of the ironing cabinet; the auxiliary control module 83 includes a pressure display for displaying the steam output pressure value. Screen 831 and pressure adjustment button 832 for generating a steam pressure adjustment signal; the main control module 2 transmits the current steam output pressure value to the auxiliary control module 83 and displays it to the ironing operator through the pressure display screen 831, while during operation When a person presses or touches the pressure adjustment button 832, the auxiliary control module 83 generates a steam pressure adjustment signal and transmits it to the main control module 2. The main control module 2 will adjust and modify its set steam output pressure value based on the signal. Therefore, the steam output pressure value set by the main control module 2 can be adjusted through the pressure adjustment button 832 .

When using the above steam electric heating iron and ironing device to perform ironing operations, the steam electric heating iron is provided with an auxiliary control module 83, and the auxiliary control module 83 is provided with a pressure display screen 831 for displaying the steam output pressure value and a pressure display screen 831 for adjusting the main pressure value. The pressure adjustment button 832 sets the steam output pressure value set by the control module 2, and the steam pressure signal and the steam pressure adjustment signal can be transmitted between the auxiliary control module 83 and the main control module 2 through the power supply and signal transmission line 82, so the operator can completely The current steam output pressure value can be viewed through the pressure display 831 on the steam electric iron, and the steam output pressure value can also be adjusted through the pressure adjustment button 832; therefore, through the above structure, the steam output pressure value can be adjusted directly on the steam electric iron. The steam pressure can be adjusted without moving to the ironing cabinet, which helps improve ironing efficiency.

Referring to Figure 3, and in this embodiment, specifically, the pressure adjustment button 832 of the auxiliary control module 83 also includes a "pressure ▲" key and a "pressure ▼" key. By pressing or touching the "pressure ▲" key and the "pressure ▼" key, Pressure ▼" key, the auxiliary control module 83 will send a steam pressure adjustment signal to the main control module 2, thereby increasing or decreasing the steam output pressure value.

Referring to Figure 3, in this embodiment, specifically, the steam electric heating iron further includes a second temperature sensor 84 and an electric heating device 85; the electric heating device 85 is used to heat the sole plate 86 and is used with the auxiliary The control module 83 is electrically connected; the second temperature sensor 84 is placed inside the base plate 86 for real-time monitoring of the temperature of the base plate 86 and transmitted to the auxiliary control module 83; the auxiliary control module 83 includes a display for displaying A temperature display screen 833 for setting the temperature of the base plate 86 and a temperature adjustment button 834 for adjusting the set temperature of the base plate 86; when the temperature of the base plate 86 reaches the set temperature, the auxiliary control module 83 controls the electric heating device 85 to stop heating. Or reduce the heating power; the above structure can stabilize the temperature of the bottom plate 86 at the set temperature, avoid the temperature of the bottom plate 86 being too high and scalding the fabric, and can also avoid the temperature of the bottom plate 86 being too low to meet the requirements and affecting the ironing effect. And, specifically, the temperature adjustment button 834 includes a "temperature ▲" key and a "temperature ▼" key. By pressing or touching the "temperature ▲" key and "temperature ▼" key, the auxiliary control module 83 will increase or decrease the temperature. The small bottom plate 86 sets the temperature. Preferably, the second temperature sensor 84 is a thermocouple, and the electric heating device 85 is an electric heating pipe.

In this embodiment, specifically, the steam electric heating iron further includes a flow control valve 87 for controlling the steam output flow of the steam delivery pipe 81 . By adjusting the flow control valve 87, the steam flow rate delivered by the steam delivery pipe 81 to the bottom plate 86 can be changed to adjust the amount of steam ejected to the fabric during ironing.

The above are only preferred embodiments of the present invention, but the present invention is not limited to the above embodiments. As long as the technical effects of the present invention are achieved by any same or similar means, they should fall within the protection scope of the present invention.

Claims (9)

1. An ironing device with switchable ironing modes, characterized by: including an ironing cabinet, a pure steam iron and a steam electric iron; The ironing cabinet includes a steam generation module, a main control module (2), a steam output module (4), an air return module, a power supply and a signal transmission module; the steam generation module includes a steam furnace (11) and a The electric heating element (12) that heats the steam furnace bladder (11); the steam output module (4) includes a steam output pipe (41) connected with the inside of the steam furnace bladder (11); the return air The module includes an air return pipe (51) with one end connected to the outside world; the power supply and signal transmission module is electrically connected to the main control module (2), and the main control module (2) controls the power supply and signal transmission module to On and off external power supply; The pure steam iron is provided with a steam delivery pipe (81) and a return air delivery pipe (71), the steam electric heating iron is provided with a steam delivery pipe (81) and a power supply and signal transmission line (82); the steam output pipe ( 41) Can optionally be connected to any steam delivery pipe (81) in a pure steam iron or a steam electric iron, the return air delivery pipe (71) is connected to the return air pipe (51), and the power supply and signal transmission line ( 82) is connected to the power supply and signal transmission module, and the ironing cabinet supplies power to the steam electric iron through the power supply and signal transmission line (82) and the power supply and signal transmission module. 2. An ironing device with switchable ironing modes according to claim 1, characterized in that: it further includes a water inlet module, and the water inlet module includes a water inlet pipe (61) for connecting to an external water supply pipeline. ), a water inlet pump (62) used to deliver water to the interior of the steam furnace (11), and a water purification filter (63) provided between the water inlet pump (62) and the water inlet pipe (61). 3. An ironing device with switchable ironing modes according to claim 2, characterized in that: the water inlet module further includes an electromagnetic reversing valve (64), and the electromagnetic reversing valve (64) The inlet is connected to the water inlet pump (62) and the two outlets are connected to the steam furnace (11) and the exhaust pipe (19) respectively. The electromagnetic reversing valve (64) is electrically connected to the main control module (2) and controls all The outlet of the water inlet pump (62) is selectively connected to the exhaust pipe (19) or the steam furnace bladder (11). 4. An ironing device with switchable ironing modes according to any one of claims 1 to 3, characterized in that: a first temperature sensor (13) is provided on the furnace wall of the steam furnace (11) , the first temperature sensor (13) is electrically connected to the main control module (2). When the temperature of the furnace wall is greater than the set safety temperature, the main control module (2) controls the electric heating element (12) ) stops working after power outage. 5. An ironing device with switchable ironing modes according to any one of claims 1 to 3, characterized in that: the upper part of the steam furnace (11) is provided with an internal structure connected to the steam furnace (11). A decompression exhaust port (14) is provided with a decompression automatic exhaust valve (15) and is connected to an exhaust pipe (19). 6. An ironing device with switchable ironing modes according to any one of claims 1 to 3, characterized in that: the steam furnace (11) is provided with a steam pressure switch (16), and the steam The pressure switch (16) is electrically connected to the electric heating element (12). When the steam pressure inside the steam furnace (11) is greater than the set safety pressure of the steam pressure switch (16), the electric heating element (12) is controlled to shut off. The electricity stopped working. 7. An ironing device with switchable ironing modes according to any one of claims 1 to 3, characterized in that: a drain pipe (17) is provided at the bottom of the steam oven bladder (11), and the drain pipe (17) is provided at the bottom of the steam furnace bladder (11). A drain solenoid valve (18) is provided on the pipe (17). The drain solenoid valve (18) is electrically connected to the main control module (2) and controls the opening or closing of the drain pipe (17). 8. An ironing device with switchable ironing modes according to claim 1, characterized in that: the steam furnace (11) is provided with a pressure sensor (110) for detecting its internal pressure, and the The pressure sensor (110) is electrically connected to the main control module (2). The main control module (2) controls the electric heating element (12) according to its built-in steam output pressure value and the data transmitted by the pressure sensor (110). start/stop or heating power. 9. An ironing device with switchable ironing modes according to claim 8, characterized in that: the steam electric iron is provided with an auxiliary control module (83), and the auxiliary control module (83) is powered by the And the signal transmission line (82), power supply and signal transmission module are electrically connected to the main control module (2), and realize the signal transmission of the steam output pressure value signal and the steam pressure adjustment signal; the auxiliary control module (83) includes A pressure display screen (831) that displays the steam output pressure value, and a pressure adjustment button (832) used to generate a steam pressure adjustment signal.