CN213113969U - Steam generator and washing machine of clothes treatment device - Google Patents

Abstract

The utility model provides a steam generator of a clothes processing device, wherein a generator body comprises a shell which is used for forming a cavity for storing articles; the thick film heating component is of a plate-shaped structure, is arranged on the shell and is used for heating the liquid water in the cavity to form steam and leading the steam out to a clothes containing barrel of the clothes care device; the thick film heating assembly extends vertically along the side wall of the shell so that the accumulated objects on the surface of the thick film heating assembly fall under the self gravity. The utility model also provides a washing machine. The generator body of the utility model adopts the thick film heating component which is in a plate shape, is thin and small in volume, has high space utilization rate and is beneficial to the miniaturization of the whole size of the generator body; and thick film heating element vertical setting can in time reduce the deposit on its surface of water level reduction in-process, including the water of its surface deposit, the incrustation scale that has formed, alleviates the formation of its surface incrustation scale.

Description

Steam generator and washing machine of clothes treatment device

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a clothes treatment device's steam generator, washing machine.

Background

The laundry treating apparatus has additional functions such as adding a steam generator to provide functions of steam scrubbing, steam drying, steam dewrinkling, steam sterilization, etc., in addition to the basic washing function. The heating element of the steam generator adopted by the current clothes treatment device is generally a heating pipe, and the heating pipe has a large size, so that the overall size of the steam generator is larger, the internal space of the washing machine is limited, and the application of the steam generator with the larger size has limitations. Furthermore, water tends to form scale during heating and accumulates on the surface of the heating element.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a clothes treatment device's steam generator, space utilization is high, and thick film heating element reduces the amount that thick film heating element surface incrustation scale formed along the vertical extension of casing lateral wall to a certain extent.

In order to achieve the above purpose, the utility model is realized by the following technical scheme.

The utility model provides a steam generator of clothing processing apparatus, including setting up the generator body in the clothing processing apparatus, the generator body includes:

a housing for forming a cavity for storing articles;

the thick film heating component is of a plate-shaped structure, is arranged on the shell and is used for heating the liquid water in the cavity to form steam and leading the steam out to a clothes containing barrel of the clothes care device;

the thick film heating assembly extends vertically along the side wall of the shell so that the accumulated objects on the surface of the thick film heating assembly fall under the self gravity.

Preferably, the thick film heating assembly is obliquely arranged and expands outwards along the steam flowing direction.

Preferably, the thick film heating assembly has an angle of 60-88 ° with the horizontal plane.

Preferably, the heating end surface of the thick film heating assembly is a curved surface structure.

Preferably, the cavity comprises a first cavity and a second cavity which are communicated with each other; the first cavity is located below the second cavity; the thick film heating assembly is positioned on one side of the first cavity;

the first cavity width is less than the second cavity width.

Preferably, the height of the first cavity is greater than the height of the second cavity.

Preferably, a first sealing ring is arranged on the peripheral side of the thick film heating assembly, and the peripheral side of the first sealing ring is abutted against the peripheral side of the inner wall of the shell.

Preferably, the peripheral side of the thick film heating assembly is clamped with the first sealing ring.

Preferably, the thick film heating component comprises a heat conducting plate, an inner insulating medium layer, a resistance heating layer and an outer insulating layer which are sequentially arranged; the thick film heating component also comprises an electrode end electrically connected with the resistance heating layer to be electrically connected with a control circuit of the clothes treatment device, and the resistance heating layer is switched to be electrified or powered off through the on-off of the control circuit.

Preferably, the thick film heating element is provided with a wiring assembly for electrical connection with an electrical circuit external to the housing.

Preferably, the generator body is provided with a temperature controlled switch for switching off the power supply to the thick film heating assembly when the temperature of the thick film heating assembly exceeds a temperature threshold.

Preferably, the temperature control switch is detachably connected to the outer wall of one side of the shell through a fixing plate; the temperature control switch corresponds to the thick film heating component in position.

Preferably, the housing is provided with a first notch to electrically connect the thick film heating assembly with a circuit outside the housing.

Preferably, the generator body is provided with a liquid level sensor to acquire current water level information in the shell.

The second purpose of the utility model is to provide a washing machine, which comprises a box body, wherein the steam generator of the clothes treatment device is arranged in the box body; the water inlet of the generator body is connected with a water pipe in the washing machine box body, and the air outlet of the generator body is communicated with the washing machine inner barrel to provide steam for the washing machine inner barrel.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a pair of clothes treatment device's steam generator heats water through thick film heating element, and thick film heating element is platelike, and is thin and small, and space utilization is high, is favorable to the miniaturization of generator body overall dimension, reduces steam generator greatly in the occupation space of clothing nursing device, and the range of application is wide. In addition, thick film heating element is vertical to be extended along the casing lateral wall to and the deposit on its surface in time reduction water level reduction process, including the water that its surface deposit was left, the incrustation scale that has formed, alleviate the formation of its surface incrustation scale, guarantee certain cleanliness, and then guarantee certain heating performance.

In a preferred scheme, thick film heating element slope sets up, expands along the steam flow direction outward, and the certain degree reduces the water that thick film heating element surface was long-pending and stays because of the speed that the water level descends and flow downwards, improves the water that stays and to the surperficial washing dynamics of thick film heating element at the flow process. And the thick film heating component expands outwards along the flowing direction of steam to guide the formed steam to rise and improve the rising speed of the steam.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the specification, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a cross-sectional view of a generator body of the present invention;

fig. 2 is a schematic diagram of an explosion structure of the generator body of the present invention;

fig. 3 is an exploded view of the thick film heating assembly of the present invention;

fig. 4 is a schematic perspective view of the thick film heating assembly of the present invention;

fig. 5 is a schematic perspective view of a first seal ring according to the present invention;

fig. 6 is a schematic view of an assembly structure of the first housing and the liquid level sensor according to the present invention;

fig. 7 is a schematic perspective view of the generator body according to the present invention.

In the figure: 1. a generator body;

10. a housing; 11. a cavity; 111. a first cavity; 112. a second cavity; 12. a first notch; 121. clamping the bulges; 13. an air outlet; 14. a water inlet; 15. a first housing; 16. a second housing; 17. a first baffle plate; 18. a second baffle;

20. a thick film heating assembly; 21. a heat conducting plate; 22. an inner insulating dielectric layer; 23. a resistance heating layer; 24. an electrode terminal; 25. a wiring assembly; 251. a wiring member; 252. a ground member; 26. a fixed part;

30. a first seal ring; 31. a first card slot; 32. a second card slot;

40. a fixing plate; 41. a second notch;

50. a liquid level sensor;

60. an automatic temperature control switch;

70. a manual temperature control switch;

80. a second seal ring;

90. an installation part.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Example 1

The utility model provides a steam generator of clothing processing apparatus, as shown in fig. 1, including setting up generator body 1 in the clothing processing apparatus, generator body 1 includes:

a housing 10 forming a housing structure of the generator body 1 and forming a cavity 11 for storing articles, wherein the cavity 11 is a sealed space, and the cavity 11 can be used for storing liquid water and/or steam;

the thick film heating component 20 is of a plate-shaped structure, the plate-shaped structure is thin, the contact area with water is large, and the heating speed is high; the thick film heating assembly 20 is disposed on the housing 10, and is used for heating the liquid water in the cavity 11 to form steam, and guiding the steam into a clothes containing drum of the clothes care device; liquid water in the cavity 11 contacts the heating end of the thick film heating assembly 20, when the thick film heating assembly 20 works, the water is heated to form steam, the steam is discharged through the air outlet 13 of the shell 10 and is guided into the clothes containing barrel through an air pipeline in the clothes processing device, and the steam is provided for the clothes in the clothes containing barrel to be subjected to steam processing such as steam drying, steam decontamination, steam wrinkle removal, steam sterilization and the like;

the thick film heating assembly 20 extends vertically along the side wall of the shell 10, so that the accumulated materials on the surface of the thick film heating assembly 20 fall under the self gravity; wherein the deposits on the surface of the thick film heating assembly 20 include water deposits and scale deposits. Along with liquid water becomes steam, the volume of liquid water in the cavity 11 reduces gradually, the water level descends, liquid water flows downwards along thick film heating element 20 surface, simultaneously, thick film heating element 20 is located the remaining water in the position surface above the water level and can flow downwards gradually under its self gravity until meeting in the water that is located the cavity 11 bottom, get rid of fast because of the drop in water that the water level descends and long-pending water droplet that stays in thick film heating element 20 surface, reduce the volume of thick film heating element 20 surface liquid water, the volume that the certain degree reduces thick film heating element 20 surface and forms the incrustation scale. In addition, the scale generated on the surface of the thick film heating assembly 20 falls down under the self gravity, and the scale on the surface of the thick film heating assembly 20 is removed to a certain extent.

In addition, when casing 10 supplyed liquid water, water gets into cavity 11 from the water inlet 14 of casing 10 in, rivers downward flow's in-process, can wash the thick film heating element 20 surface of vertical setting, and certain degree clears up thick film heating element 20 surface, improves the cleanliness on thick film heating element 20 surface to reduce because of polluting the influence to thick film heating element 20's heating performance.

In one embodiment, the thick film heating assembly 20 is vertically arranged, and the water flow speed is high because the accumulated water flows downwards fast when the water level drops, and the washing effect of the flowing water on the surface of the thick film heating assembly 20 is weak.

In one embodiment, the thick film heating assembly 20 is inclined to extend outwardly in the direction of vapor flow. When the liquid water level drops, the water flow flows along the thick film heating assembly 20 until the water flow converges into the water body, the downward flowing speed of the accumulated water is slightly lower than that of the accumulated water when the thick film heating assembly 20 is vertically arranged, and the surface of the thick film heating assembly 20 is cleaned to a certain degree. In addition, the thick film heating assembly 20 expands outward in the direction of the steam flow to increase the upward flow of steam formed by heating the liquid water.

Furthermore, the included angle between the thick film heating component 20 and the horizontal plane is 60-88 degrees, which is convenient for the accumulated objects on the surface of the thick film heating component 20 to fall down, and meanwhile, the structural size of the shell of the generator body 1 is suitable, so that the generator body does not occupy too much space inside the clothes treatment device due to too large size.

In one embodiment, the heating surface of the thick film heating assembly 20 is a curved surface structure to increase the heating surface area of the thick film heating assembly 20 and increase the heating speed to some extent. In yet another embodiment, the heating end surface of the thick film heating assembly 20 is planar to reduce the amount of residue on the heating end surface of the thick film heating assembly 20 and keep the heating end surface of the thick film heating assembly 20 clean.

In one embodiment, the cavity 11 includes a first cavity 111 and a second cavity 112 that are connected to each other. The first cavity 111 is located below the second cavity 112, and the thick film heating assembly 20 is located on one side of the first cavity 111; the first cavity 111 has a smaller width than the second cavity 112. The shell of the first cavity 111 is flat, so that the longitudinal size of the first cavity 111 is large, and the transverse size of the first cavity is small, the water level of the liquid water introduced into the cavity 11 of the shell 10 is improved, more water can contact the thick film heating assembly 20, namely the contact area between the liquid water and the thick film heating assembly 20 is improved, and the heating efficiency is improved.

In one embodiment, the width of the first cavity 111 is less than one-half of the width of the second cavity 112, so as to reasonably arrange the size of the inner space of the cavity 11. The second cavity 112 space may be used to temporarily store the steam inside before being discharged outside the casing 10. The second cavity 112 is sufficient for temporarily storing a desired amount of steam, while also being able to contain a portion of liquid water; the size of the second cavity 112 is determined by the amount of steam required for each course of the laundry treating apparatus. By defining the width of the first cavity 111 to be less than half the width of the second cavity 112, the required amount of liquid water can be contained in the cavity 11, and there is enough space to temporarily store the steam generated in the cavity 11, and furthermore the required amount of liquid water in the cavity 11 can be maintained at a certain level to contact the thick film heating assembly 20.

In one embodiment, the height of the first cavity 111 is greater than the height of the second cavity 112. The liquid water entering the cavity 11 enters the second cavity 112 after filling the first cavity 111, and since the width of the first cavity 111 is smaller than that of the second cavity 112, the same amount of water level in the first cavity 111 is higher than that in the second cavity 112, so that the height of the first cavity 111 is increased, and the water level of the liquid water contained in the cavity 11 is increased to a certain extent.

In one embodiment, the housing 10 is provided with a first notch 12 for allowing the terminals of the thick film heating element 20 or the wiring harness connected to the terminals of the thick film heating element 20 to pass through so as to electrically connect the thick film heating element 20 to the circuit outside the housing 10. Further, as shown in fig. 1 and 2, the housing 10 is provided with a first notch 12; the thick film heating element 20 is disposed in the first notch 12, and forms a side wall structure of the cavity 11 together with the side wall of the first notch 12. Reducing the space occupied by the thick film heating assembly 20 in the cavity 11 and facilitating the handling of the thick film heating assembly 20. That is, the thick film heating module 20 is detachable from the outside of the housing 10. In addition, the terminals of the thick film heating element 20 or the wiring harness to which the terminals of the thick film heating element 20 are connected may pass through the first notch 12 to electrically connect with the circuit outside the housing 10.

In one embodiment, as shown in fig. 1 and 2, a first sealing ring 30 is provided on the peripheral side of the thick film heating assembly 20, and the peripheral side of the first sealing ring 30 abuts against the peripheral side of the inner wall of the housing 10. The sealing performance between the peripheral side of the thick film heating assembly 20 and the inner wall of the shell 10 is increased, and liquid water or generated steam in the cavity 11 is prevented from leaking from the installation position of the thick film heating assembly 20. In addition, the first sealing ring 30 has certain flexibility, and in the process that the generator body 1 moves during transportation, installation and the like, the first sealing ring 30 provides certain buffering and anti-seismic performance for protecting the thick film heating assembly 20, so that the thick film heating assembly 20 is protected from being damaged.

In one embodiment, as shown in fig. 1, 2 and 5, the peripheral side of the thick film heating assembly 20 is engaged with the first sealing ring 30 to facilitate the assembly of the thick film heating assembly 20 and the first sealing ring 30. Specifically, the inner side of the first sealing ring 30 is provided with a first clamping groove 31, and the peripheral side of the thick film heating assembly 20 is clamped into the first clamping groove 31, so that the assembly of the thick film heating assembly 20 and the first sealing ring 30 is completed.

In one embodiment, the housing 10 is provided with a first notch 12; the thick film heating element 20 is disposed in the first notch 12, and forms a side wall structure of the housing 10 together with the side wall of the first notch 12. As shown in fig. 1 and 5, the outer periphery of the first seal ring 30 provided on the periphery of the thick film heating unit 20 is engaged with the contour of the first notch 12 of the housing 10. Install thick film heating element 20 in first breach 12 of casing 10 through first sealing washer 30, it is convenient to install, and because the protection of first sealing washer 30 during the installation, thick film heating element 20 is not fragile. Specifically, a second locking groove 32 is disposed on the outer peripheral side of the first sealing ring 30 to be locked with the locking protrusion 121 disposed on the first notch 12.

In one embodiment, as shown in fig. 3 and 4, the thick film heating assembly 20 includes a heat conducting plate 21, an inner insulating medium layer 22, a resistance heating layer 23, and an outer insulating layer (not shown), which are sequentially disposed, wherein the heat conducting plate 21 is located at a side facing the cavity 11; the thick film heating assembly 20 further includes an electrode terminal 24 electrically connected to the resistance heating layer 23 to electrically connect to a control circuit of the clothes treatment apparatus, and the resistance heating layer 23 is switched on or off by switching on or off the control circuit, that is, the heating of the resistance heating layer 23 is turned on or off by switching on or off the control circuit. Thick film heating element 20 circular telegram back resistance heating layer 23 sends the heat, and heat conduction to heat-conducting plate 21 for heat-conducting plate 21 temperature risees, heats the water that contacts with heat-conducting plate 21, and in addition, heat-conducting plate 21 that the temperature risees makes heat-conducting plate 21 week side ambient air temperature risees, and indirect water to in the casing 10 heats. The heat conducting plate 21 is an insulating member with high thermal conductivity, and in one embodiment, the heat conducting plate 21 is a stainless steel substrate. The inner insulating medium layer 22 protects the heat conductive plate 21 from being electrically neutral to cause water in the housing 10 to be electrically charged. The outer insulating layer makes the outer side of the resistance heating layer 23 insulated from the outside, and ensures the safety of electricity utilization. Further, the first locking groove 31 of the first sealing ring 30 is used for locking the outer periphery of the heat conducting plate 21.

In addition, conventional heating components on the market at present comprise a common heating pipe, a quartz heating pipe, a nickel-chromium alloy heating wire and an electromagnetic induction heating component. Wherein, the common heating pipe is easy to form scale, the heating wire is easy to blow, the use is unsafe and the service life is short; the quartz heating pipe is fragile, low in pressure bearing, slow in heat conduction and short in service life; the nickel-chromium alloy heating wire has strict requirements on water quality; the electromagnetic induction heating assembly has strong electromagnetic radiation, harms human health, and may cause interference to electronic devices or systems in the laundry care device, resulting in a reduction in its use performance. A steam generator for clothes treatment device at present, if heating element easily ties the incrustation scale, it is unrealistic and difficult realization to dismantle clothes treatment device and clear up in order to take out steam generator. If the heating element is fragile, it cannot be replaced. And because the clothing processing apparatus is used for processing the clothing, the quality of water is not good for drinking water, and it is costly and unrealistic to control the quality of water because of the requirement of heating element to quality of water. And thick film heating element 20 adopts the screen printing technique to print interior dielectric layer 22, resistance heating layer 23, outer insulating layer in proper order on heat-conducting plate 21 and form in this embodiment, and the heat-conduction distance from resistance heating layer 23 to heat-conducting plate 21 is short, therefore the thermal resistance is little, and the thermal response speed is fast, and the heat can in time be conducted away, and whole thick film heating element 20's surface temperature can not be too high, and the safety in utilization is high, and difficult incrustation scale, also not high to the water quality requirement. The thick film heating component 20 is formed by printing an inner insulating medium layer 22, a resistance heating layer 23 and an outer insulating layer on a heat conducting plate 21 by adopting a screen printing technology and sintering at high temperature, and has the advantages of mature and reliable process, small structure and easy cleaning. The shape and size of the thick film heating component 20 can be set according to the requirement, and the thick film heating component is realized by changing the formation and size of the heat conducting plate 21, the design is flexible, the temperature rises quickly during heating, the heating can be carried out by electrifying, and the heating efficiency is high.

In one embodiment, as shown in fig. 3 and 4, the thick film heating element 20 is provided with a wiring element 25 for electrically connecting with the circuit outside the housing 10. Specifically, the wiring member assembly 25 includes a wiring member 251 and a grounding member 252. The wiring member 251 is electrically connected to the electrode terminal 24 of the thick film heating assembly 20, and the wiring member 251 is located outside the casing 10 so as to electrically connect the electrode terminal 24 to the control circuit in the clothes treating apparatus. The grounding member 252 is used to electrically connect the thick film heating element 20 to the ground, so as to prevent the thick film heating element 20 from leaking electricity during operation. The wiring member 251 and the grounding member 252 are both located outside the housing 10, so as to facilitate the electrical connection between the thick film heating assembly 20 and the circuit outside the housing 10. Further, the thick film heating module 20 is provided with a fixing portion 26 for fixing the wiring module 25. Specifically, the fixing portion 26 is a seed nail.

In one embodiment, as shown in fig. 2, the generator body 1 is provided with a temperature controlled switch for switching off the power supply to the thick film heating element 20 when the temperature of the thick film heating element 20 exceeds a temperature threshold. Further, the temperature control switches include an automatic temperature control switch 60 and a manual temperature control switch 70. The automatic temperature control switch 60 and the manual temperature control switch 70 are fixed on the shell 10 and correspond to the position of the thick film heating assembly 20. In one embodiment, the automatic temperature control switch 60 is provided with a flexible bimetallic strip, and when the temperature of the bimetallic strip reaches a certain temperature, the bimetallic strip is bent and deformed to disconnect the power supply; when the temperature of the bimetallic strip is lower than the temperature lower limit of the bending deformation of the bimetallic strip, the bimetallic strip is electrified after the bending deformation is recovered, and the thick film heating component 20 is started. Further, the automatic temperature control switch is a 160 ℃ automatic temperature control switch; when the temperature of the bimetallic strip reaches 160 ℃, the bimetallic strip bends and deforms to disconnect the power supply. The manual temperature control switch 70 is a manual operation temperature control switch which is turned on and off when the automatic temperature control switch 60 is not turned on due to malfunction or other factors when the temperature of the detection object reaches a set temperature threshold value. If the manual temperature control switch 70 is not turned on when the temperature of the detected object reaches 190 ℃, the automatic temperature control switch is turned off manually. Further, a temperature sensor is arranged in the housing 10 to detect the temperature in the housing 10, when the temperature of the thick film heating assembly 20 exceeds a temperature threshold value, the thick film heating assembly 20 is dried, and when the temperature in the housing 10 is too high, the user is informed to judge whether to manually power off.

Further, in one embodiment, the housing 10 is provided with a first notch 12; the thick film heating element 20 is disposed in the first notch 12, and forms a side wall structure of the housing 10 together with the side wall of the first notch 12. Because the temperature-sensing switch needs to sense the temperature of the thick film heating element 20, the temperature-sensing switch corresponds to the position of the thick film heating element 20, that is, the temperature-sensing switch is arranged on the outer side of the thick film heating element 20. In order to facilitate the installation of the temperature controlled switch without affecting the thick film heating assembly 20, as shown in fig. 1 and 2, the temperature controlled switch is detachably connected to the outer wall of one side of the housing 10 through a fixing plate 40. Specifically, the temperature controlled switch is fixed to the fixing plate 40, and the fixing plate 40 is fixed to the case 10. The fixing plate 40 can be fixed to the housing 10 by snap-fitting, and fastening.

Further, a fixing plate 40 for fixing the temperature controlled switch of the generator body 1 covers the outer surface of the thick film heating element 20. Thick film heating element 20 is including the heat-conducting plate 21, the internal insulation dielectric layer 22, the resistance heating layer 23, the outer insulating layer that set gradually, and heat-conducting plate 21 is towards cavity 11, and then the outer insulating layer is outside towards casing 10, and in order to protect thick film heating element 20 simultaneously, avoid because of the outer insulating layer appears damaging the potential safety hazard that leads to the electric leakage when exposing, cover thick film heating element 20 surface through fixed plate 40. Further, since the thick film heating element 20 is further provided with the wiring element 25, in order to facilitate the electrical connection between the wiring element 25 and the circuit outside the housing 10, the fixing plate 40 is provided with the second notch 41, so that the wiring member 251 and the grounding member 252 of the wiring element 25 extend out of the housing 10.

Further, the fixing plate 40 is provided with an abutting portion 42 for abutting against a surface of the thick film heating element 20 away from the cavity 11, so as to stabilize the installation of the thick film heating element 20.

In one embodiment, as shown in fig. 7, the housing 10 is provided with an air outlet 13 and a water inlet 14 disposed at the top of the housing 10. Specifically, the air outlet 13 is disposed at the top of the casing 10, when the steam generated in the cavity 11 rises to the inner wall of the top of the casing 10, the steam can be discharged from the air outlet 13, and the steam can be discharged from the air outlet 13 upwards quickly at the upward movement speed, so that the exhaust is accelerated to a certain extent. If the air outlet 13 is disposed on the side wall of the housing 10, during the steam rising process, part of the steam is discharged after contacting the air outlet 13, and part of the steam still continues to flow upward, so that the exhaust speed of the air outlet 13 is reduced to some extent. When water inlet 14 set up in casing 10 top, increased the distance between water inlet 14 and thick film heating element 20, from the liquid water of water inlet 14 injection, the speed of decline is faster and faster, to the impact force on thick film heating element 20 surface when having increased water contact thick film heating element 20, improves the cleaning force.

In one embodiment, as shown in fig. 1 and 2, the housing 10 includes a first housing 15, a second housing 16; the first housing 15 and the second housing 16 together clamp the cavity 11. Specifically, the first housing 15 and the second housing 16 are clamped or buckled or fastened together, and the first housing 15 and the second housing 16 are detachably connected to clean the cavity 11.

In an embodiment, as shown in fig. 2 and 6, a plurality of first baffles 17 are disposed in the casing 10 to form a first enclosure wall structure partially enclosing the air outlet 13 of the casing 10 with the inner wall of the casing 10;

liquid water is the mixture of gaseous state hydrone and liquid hydrone through the steam that thick film heating element 20 heating formed, if direct export from gas outlet 13, then steam humidity is higher, be unfavorable for the drying process of clothing behind the contact clothing, and then set up first wall structure, the first wall structure of steam contact in the cavity 11, the heat of steam is behind first wall structure conduction, liquid hydrone condenses on first wall structure surface, with liquid hydrone and the separation of gaseous state hydrone in the steam, reduce the liquid hydrone that gas outlet 13 derived. The content of liquid water molecules in the steam led out from the air outlet 13 is reduced, the steam may still contain the liquid water molecules, but the amount of the liquid water molecules is reduced, so that the influence of the liquid water molecules on the drying process of the clothes is reduced. Further, a first baffle 17 is provided inside the first casing 15.

In one embodiment, as shown in fig. 2, the generator body 1 is provided with a liquid level sensor 50 to obtain information on the current water level in the housing 10. Specifically, the liquid level sensor 50 is a high-low level liquid level sensor, and a detection end of the liquid level sensor extends into the cavity 11 to detect the water level condition in the housing 10. Further, the liquid level sensor 50 is electrically connected to the alarm module to alarm when detecting that the current water level in the housing 10 reaches the high liquid level threshold or the low liquid level threshold set by the liquid level sensor 50, and remind the user to adjust the water level in the generator body 1. In one embodiment, the liquid level sensor 50 is a three-pin level switch, which is an electrode type liquid level switch having three pole rods with different heights, and when the water in the housing 10 touches the pole rods of the three-pin level switch to conduct electricity and detect a signal, the current water level information in the housing 10 is also output to the user. Further, a second sealing ring 80 is disposed at the assembly position of the three-pin water level switch and the housing 10 for sealing, so as to improve the sealing performance inside the housing 10.

Further, as shown in fig. 1, 2 and 5, a second baffle 18 is disposed in the housing 10, and forms a second enclosing wall structure enclosing the outer periphery of the liquid level sensor 50 with the inner wall of the housing 10, so as to prevent the steam in the cavity 11 from contacting the liquid level sensor 50. The steam temperature is high so as not to affect the service life of the liquid level sensor 50. The second baffle 18 is spaced from the inner wall of the housing 10 at the bottom thereof to allow liquid water to enter for the level sensor 50 to detect the water level. The distance between the bottom of the second baffle 18 and the inner wall of the housing 10 is controlled so as to reduce the influence of the steam on the liquid level sensor 50 while the liquid water is in contact with the liquid level sensor 50. Further, a second baffle 18 is provided within the first housing 15.

In one embodiment, the housing 10 further has a pressure relief opening (not shown) for opening the pressure relief opening when the pressure inside the cavity of the housing 10 reaches a predetermined upper limit to reduce the pressure inside the housing 10. Further, a pressure relief valve is arranged at the pressure relief opening, when the pressure in the cavity of the shell 10 exceeds a pressure threshold set by the pressure relief valve, the pressure relief is automatically opened, and the pressure in the cavity of the shell 10 is ensured to be below the pressure threshold; when the pressure in the cavity of the shell 10 is less than or equal to the pressure threshold set by the pressure relief valve, the pressure relief is automatically closed.

In one embodiment, the housing 10 is provided with a mounting portion 90 for mounting inside the laundry treating apparatus.

Example 2

The utility model provides a washing machine, which comprises a box body, wherein a steam generator of the clothes treatment device is arranged in the box body; the water inlet 14 of the generator body 1 is connected with a water pipe in the box body of the washing machine, and the air outlet 13 of the generator body 1 is communicated with the inner barrel of the washing machine so as to provide steam for the inner barrel of the washing machine. A user starts a steam decontamination mode, a steam drying mode, a steam wrinkle removal mode or a steam sterilization mode of the washing machine, water with a preset amount is introduced into a water inlet 14 of the generator body 1, the thick film heating assembly 20 is started to heat, the water is heated by contacting with the thick film heating assembly 20 to form steam, and the steam is provided for the inner cylinder of the washing machine so as to realize decontamination, drying, wrinkle removal or sterilization functions. As the liquid water is consumed as steam, the liquid water level drops, the liquid water falls along the surface of the thick film heating assembly 20, and meanwhile, the water accumulated on the surface of the thick film heating assembly 20 moves downwards along the surface until the water merges into the water body, so that the water accumulated on the surface of the thick film heating assembly 20 is reduced, and the generation of scale on the surface of the thick film heating assembly is reduced to a certain extent.

The utility model discloses compare prior art, the utility model provides a steam generator heats water through thick film heating element, and thick film heating element is small, and space utilization is high, is favorable to the miniaturization of the whole size of generator body, reduces steam generator greatly at the occupation space of clothing nursing device, and the range of application is wide. In addition, thick film heating element vertical setting to reduce the volume of deposit on its surface that reduces because of consuming the deposit that the water level reduces.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims (15)

1. A steam generator of a laundry treating apparatus, comprising a generator body (1) provided in the laundry treating apparatus, characterized in that the generator body (1) comprises:

a housing (10) for forming a cavity (11) for storing articles;

the thick film heating component (20) is of a plate-shaped structure, is arranged on the shell (10), and is used for heating the liquid water in the cavity (11) to form steam which is led out to a clothes containing barrel of the clothes care device;

the thick film heating assembly (20) vertically extends along the side wall of the shell (10) so that the accumulated objects on the surface of the thick film heating assembly (20) fall down under the self gravity.

2. The steam generator of a laundry treating apparatus according to claim 1, wherein the thick film heating assembly (20) is obliquely disposed to be outwardly expanded in a steam flowing direction.

3. The steam generator of a laundry treating apparatus according to claim 2, wherein the thick film heating assembly (20) is angled from 60 ° to 88 ° with respect to the horizontal plane.

4. The steam generator of a laundry treating apparatus according to claim 1, wherein the heating end surface of the thick film heating assembly (20) is a curved structure or a planar structure.

5. The steam generator of a laundry treatment apparatus according to claim 1, characterized in that the cavity (11) comprises a first cavity (111), a second cavity (112) in communication; the first cavity (111) is located below the second cavity (112); the thick film heating assembly (20) is located on one side of the first cavity (111);

the first cavity (111) has a smaller width than the second cavity (112).

6. The steam generator of a laundry treating apparatus according to claim 5, characterized in that the height of the first cavity (111) is greater than the height of the second cavity (112).

7. The steam generator of a clothes treating apparatus according to claim 1, wherein a first sealing ring (30) is disposed around the thick film heating assembly (20), and the outer circumference of the first sealing ring (30) abuts against the inner wall of the casing (10).

8. The steam generator of a laundry treating apparatus according to claim 7, wherein the thick film heating assembly (20) is circumferentially engaged with the first sealing ring (30).

9. The steam generator of a laundry treating apparatus according to claim 1, wherein the thick film heating assembly (20) comprises a heat conducting plate (21), an inner insulating medium layer (22), a resistance heating layer (23), an outer insulating layer; the thick film heating component (20) further comprises an electrode end (24) electrically connected with the resistance heating layer (23) so as to be electrically connected with a control circuit of the clothes treatment device, and the resistance heating layer (23) is switched to be electrified or powered off by controlling the on-off of the control circuit.

10. The steam generator of a laundry treatment apparatus according to claim 9, characterized in that, the thick film heating assembly (20) is provided with a wiring assembly (25) to electrically connect with an electric circuit outside the casing (10).

11. Steam generator of a laundry treatment apparatus according to any of claims 1-10, characterized in that the generator body (1) is provided with a temperature controlled switch for switching off the power supply to the thick film heating assembly (20) when the temperature of the thick film heating assembly (20) exceeds a temperature threshold.

12. The steam generator of a laundry treating apparatus according to claim 11, wherein the temperature controlled switch is detachably coupled to an outer wall of one side of the case (10) through a fixing plate (40); the temperature control switch corresponds to the position of the thick film heating component (20).

13. The steam generator of a laundry treatment apparatus according to claim 1, characterized in that the casing (10) is provided with a first notch (12) to electrically connect the thick film heating assembly (20) with an electric circuit outside the casing (10).

14. Steam generator of a laundry treatment apparatus according to claim 1, characterized in that the generator body (1) is provided with a level sensor (50) to obtain information of the current water level inside the casing (10).

15. A washing machine comprising a cabinet, wherein a steam generator of a laundry treating apparatus according to any one of claims 1 to 14 is provided in the cabinet; the water inlet (14) of the generator body (1) is connected with a water pipe in the washing machine box body, and the air outlet (13) of the generator body (1) is communicated with the washing machine inner barrel to provide steam for the washing machine inner barrel.

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