CN217013557U - Steam electric appliance - Google Patents

Abstract

The utility model discloses a steam electric appliance, which comprises: the steam generator is provided with a heating cavity; the cage, install in steam generator is located heat the intracavity, be formed with the liquid level monitoring chamber in the cage, the intercommunication has been seted up to the cage the heating chamber with the intercommunicating pore in liquid level monitoring chamber to and a temperature sensor, install in steam generator is used for right the temperature in the liquid level monitoring chamber monitors. The utility model improves the use safety performance of the steam electric appliance.

Description

Steam electric appliance

Technical Field

The utility model relates to the technical field of domestic appliances, in particular to a steam appliance.

Background

Steam appliances such as electric kettle, electric steamer, steam mop, garment steamer are through pouring into water into steam generator's heating intracavity, through the water of heating intracavity for water is heated and is formed steam and carry out operations such as food cooking, cleaning and disinfection, clothing and iron. Thus bringing convenience to the life of people.

In order to ensure the steam outlet heating efficiency or safety performance in the use process of the steam electric appliance, the proper water quantity in the heating cavity needs to be ensured in the heating process, and therefore the condition in the heating cavity needs to be monitored in real time. The first temperature sensor that also tries to set up of current steam electrical apparatus monitors the heating chamber in order to prevent that the heating chamber from appearing dry combustion method phenomenon, and in the in-service use process, in the heating chamber heating process, has a large amount of bubbles to produce during the water boiling, and a large amount of bubbles can directly interfere with first temperature sensor's temperature detection, lead to having the risk of dry combustion method.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a steam electric appliance, aiming at accurately detecting the temperature in a heating cavity and improving the use safety of the steam electric appliance.

In order to achieve the above object, the present invention provides a steam appliance, comprising:

the steam generator is provided with a heating cavity;

the cage, install in steam generator is located in the heating chamber, be formed with the liquid level monitoring chamber in the cage, the intercommunication has been seted up to the cage the heating chamber with the intercommunicating pore in liquid level monitoring chamber to and

and the first temperature sensor is arranged in the steam generator and used for monitoring the temperature in the liquid level monitoring cavity.

According to the technical scheme, the isolation cover is arranged in the heating cavity of the steam electric appliance, and the communication hole is formed in the isolation cover to communicate the liquid level monitoring cavity in the isolation cover with the heating cavity, so that when a large amount of bubbles are generated in the water heating process in the use process of the steam electric appliance, the bubbles are broken and difficult to directly flow into the liquid level monitoring cavity due to the arrangement of the communication hole when entering the liquid level monitoring cavity, the liquid level in the liquid level monitoring cavity can truly reflect the liquid level condition in the heating cavity, therefore, the first temperature sensor can stably and accurately feed back the temperature when the liquid level is lower than the detection position, the dry burning phenomenon of the heating cavity can be effectively prevented, and the use safety of the steam electric appliance is improved.

Optionally, the isolation hood is mounted at the bottom of the heating chamber.

Optionally, the bottom of the heating cavity is formed with a boss extending into the heating cavity, the isolation cover covers the boss, and the first temperature sensor is embedded and fixed in the boss.

Optionally, a second temperature sensor is further installed at the bottom of the heating cavity, and the second temperature sensor is located outside the boss.

Optionally, the cage is capped on a top surface of the boss.

Optionally, the communication hole includes a first communication hole provided on a side wall of the shield case and a second communication hole provided on a top wall of the shield case.

Optionally, the first communication hole is arranged in a long shape and extends upwards from the bottom of the isolation cover.

Optionally, the second communication holes are distributed in a middle region of the top wall of the shield case.

Optionally, the steam generator includes a housing and a heating plate assembly, the housing is formed with a heating groove, the heating plate assembly is capped at the bottom of the heating groove to form the heating cavity by cooperating with the housing, and the isolation cover is mounted on the heating plate assembly.

Optionally, the isolation hood includes a hood body and a connecting portion connected to an opening edge of the hood body, the connecting portion is fixedly connected to the heating plate assembly, and the communication hole is opened in the hood body.

Optionally, the housing further forms a water storage tank, the steam generator further includes a water pump assembly installed on the housing, and the water pump assembly is communicated with the water storage tank and the heating tank.

Optionally, the water storage tank is annularly arranged outside the heating tank.

Optionally, the steam generator further comprises a condensed water return plate, the condensed water return plate is connected with the shell and covers the water storage tank of the shell and the opening of the heating tank, wherein the condensed water return plate is provided with a steam outlet communicated with the heating chamber.

Optionally, a liquid level sensor is further arranged in the water storage tank.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a steam appliance according to an embodiment of the present invention in partial cross-section;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of a half-section of the steam appliance of FIG. 1;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a schematic perspective view of the steam appliance of FIG. 1;

FIG. 6 is an enlarged view at C of FIG. 5;

FIG. 7 is a schematic top view of the steam appliance of FIG. 1;

FIG. 8 is a schematic cross-sectional view of the steam appliance of FIG. 1;

FIG. 9 is an enlarged view taken at D in FIG. 8;

fig. 10 is an exploded view of the steam appliance of fig. 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a steam electric appliance.

Referring to fig. 1 to 6, in the embodiment of the present invention, the steam appliance includes a steam generator 10, a shielding case 20, and a first temperature sensor 30. The steam generator 10 includes a housing 110 and a heat-generating plate assembly 120, the heat-generating plate assembly 120 includes a heat-generating plate 121 and a heat-generating member 122 for heating the heat-generating plate 121, and in some embodiments, the heat-generating member 122 is a heat-generating tube or a heat-generating wire fixed to the heat-generating plate 121, and when the heat-generating member 122 is disposed on the heat-generating plate 121, a heat-conducting plate may be connected to a bottom surface of the heat-generating plate 121, and the heat-generating member 122 is fixed to the heat-conducting plate, so that heat generated by the heat-generating member 122 may be uniformly conducted to the heat-generating plate 121, or the heat-generating member 122 may also be a combination of an electromagnetic coil and the heat-conducting plate. In the scheme shown in the figures of the utility model, the heating element 122 is a heating pipe, the heating pipe is arranged around the periphery of the bottom surface of the heating plate 121, the outer shell 110 is formed with a heating groove 110b, the heating plate 121 is covered on the bottom of the heating groove 110b to form a heating cavity 110a, the first temperature sensor 30 of the present application is in contact with the heating plate 121, so that the first temperature sensor 30 can accurately detect the temperature in the heating chamber 110a, and then judge the water amount in the heating cavity 110a, it can be understood that the steam appliance of the present application further comprises a control circuit board, the first temperature sensor 30 is connected to the control circuit board, when the first temperature sensor 30 generates a temperature variation signal, it is provided to the control circuit board, and then judge whether can appear dry combustion method by control circuit board, control circuit board and then control spare parts such as piece 122 that generate heat and carry out next step's action to promote safety. The cage 20 is installed in steam generator 10 and is located heating chamber 110a, specifically speaking, cage 20 fixed connection is at the internal face that heating disc 121 is located heating chamber 110a, this application cage 20 encloses jointly with the cooperation of heating disc 121 and closes the liquid level monitoring chamber that forms in cage 20 inside, the intercommunicating pore 230 in intercommunication heating chamber 110a and liquid level monitoring chamber 20a has been seted up to cage 20, first temperature sensor 30 mounted position corresponds liquid level monitoring chamber 20a for monitor the temperature in liquid level monitoring chamber 20 a.

According to the technical scheme, the isolation cover 20 is arranged in the heating cavity 110a of the steam electric appliance, and the communication hole 230 is formed in the isolation cover 20 to communicate the liquid level monitoring cavity 20a in the isolation cover 20 with the heating cavity 110a, so that when a large amount of water bubbles are generated in the water heating process in the use process of the steam electric appliance, the water bubbles are broken when entering the liquid level monitoring cavity 20a due to the arrangement of the communication hole 230 and are difficult to directly flow into the liquid level monitoring cavity 20a, the liquid level in the liquid level monitoring cavity 20a can truly reflect the liquid level condition in the heating cavity 110a, and therefore the first temperature sensor 30 can stably and accurately feed back the temperature when the liquid level is lower than the detection position of the liquid level sensor, so that the dry burning phenomenon of the heating cavity 110a can be effectively prevented, and the use safety of the steam electric appliance is improved.

Further, with the above disclosure, in the steam appliance of the present application, the first temperature sensor 30 is installed on the heating plate 121, that is, located at the bottom of the heating cavity 110a, so that in the using process of the steam appliance, when the water in the heating cavity 110a is slowly consumed to the end, the first temperature sensor 30 can accurately detect the temperature of the heating plate 121 rising because of no water covering, and thus, the dry burning phenomenon can be effectively avoided.

In an embodiment, in order to further improve the safety of the steam appliance in use, a boss 123 extending towards the inside of the heating cavity 110a is formed at the bottom of the heating cavity 110a, specifically, the boss 123 is formed at the heating plate 121, the isolation cover 20 covers the boss 123, and the first temperature sensor 30 is embedded and fixed in the boss 123. In actual use, the heat transferred from the heating element 122 to the heating plate 121 is stored by the heating plate 121, so when the liquid level in the heating cavity 110a is lower than the liquid level at the position detected by the first temperature sensor 30, even if the heating element 122 stops heating, the heat stored in the heating plate 121 can still be continuously heated, and if the existing water amount is small, the water is evaporated by the stored heat of the heating plate 121, which may further result in a risk of dry burning. This application scheme is through being formed with boss 123 at heating plate 121, and inlay first temperature sensor 30 and establish in boss 123, make the liquid level that first temperature sensor 30 detected improve, be higher than heating plate 121's bottom surface, therefore, in the use, when the liquid level in heating chamber 110a is less than the liquid level that first temperature sensor 30 will detect, still surplus certain water yield in heating chamber 110a, this water yield can be according to the high setting of boss 123 and can ensure that heating plate 121's heat accumulation heats the condition of reserving the water down and also can not evaporate, so can ensure the phenomenon of dry combustion method can not appear, in the use safety, steam production also can be continuous.

Further, the boss 123 may be disposed at a middle position of the heat generating plate 121, or the boss 123 may be disposed at a position close to an edge, which is not limited in this application, and since the heat generating member 122 is disposed at an edge position of the heat generating plate 121, the boss 123 is located inside the heat generating member 122. The boss 123 may be cylindrical, polygonal, or irregular, without limitation. Further, the bosses 123 may be stepped by the heat generation plate 121 itself, and a portion of the heat generation plate 121 at a higher step is positioned as the bosses 123.

In order to further improve the safety of the steam appliance, in an embodiment, a second temperature sensor is further installed at the bottom of the heating cavity 110a, and the second temperature sensor is located outside the boss 123. In the long-time use process, the temperature detection of the first temperature sensor 30 may be inaccurate due to some factors, and at this time, the circuit board may control the heating member 122 to stop supplying power through the temperature detection signal of the second temperature sensor, thereby providing a guarantee for the whole machine.

In one embodiment, the communication hole 230 includes a first communication hole 231 provided on a sidewall of the shield case 20 and a second communication hole 232 provided on a top wall of the shield case 20. During the use of the steam electric appliance, a large amount of bubbles are generated in the heating cavity 110a, the bubbles are generated due to the high temperature at the position of the heating element 122, the bubbles spread and wander from the position of the heating element 122 to other positions, and through the arrangement of the first communication hole 231, when the bubbles outside the shielding case 20 enter the liquid level monitoring cavity 20a in the shielding case 20, the bubbles break due to the squeezing action in the process of passing through the first communication hole 231, and a small amount of bubbles can be discharged through the arrangement of the second communication hole 232, or a small amount of bubbles generated in the liquid level monitoring cavity 20a can be rapidly discharged through the first communication hole 231 and the second communication hole 232, and the influence of the small bubbles on the liquid level in the liquid level monitoring cavity 20a is limited, so that when the liquid level drops to the position of the shielding case 20, the liquid level in the liquid level monitoring cavity 20a can be ensured to be consistent with the liquid level in the heating cavity 110a, when the liquid level in the heating cavity 110a is lower, the detected liquid level value still points to the situation of high liquid level because large bubbles expand and break, which leads to water liquid sputtering, thus ensuring the detection accuracy.

Further, the first communication hole 231 is elongated and extends upward from the bottom of the isolation cover 20, and since the first communication hole 231 plays a role in guiding the liquid from the heating chamber 110a to the liquid level monitoring chamber 20a and breaking bubbles during use, the liquid level feedback in the heating chamber 110a can be effectively realized by the elongated arrangement of the first communication hole 231. The second communication hole 232 of the present invention is disposed in the middle of the top wall of the shielding case 20, wherein the second communication hole 232 may be divided into two types of through holes, i.e., a long bar type and a circular type, without limitation. In some embodiments, the top wall of the shielding case 20 may be provided with an arc-shaped configuration that is arched outward in the middle, and thus, in cooperation with the arrangement that the second communication hole 232 is opened in the middle of the top wall, the liquid level monitoring chamber 20a can be converged to the middle and guided to the outside of the liquid level monitoring chamber 20 a.

Specifically, the shielding cover 20 includes a cover body 210 and a connecting portion 220 connected to an opening edge of the cover body 210, the connecting portion 220 is fixedly connected to the heating plate assembly 120, and the first communicating hole 231 and the second communicating hole 232 are opened on the cover body 210. This application cage 20 can be the metal material, and cage 20 passes through connecting portion 220 to be fixed on foretell boss 123, and wherein, connecting portion 220 and boss 123 can be in the non-detachable connection under the condition of not removing the material, for example through welded fastening, also can be need not to abolish the structure, the connected mode that can directly dismantle, for example fix through modes such as buckle, can promote the connection steadiness and the simple to operate nature of cage 20 and heating plate 121 through the setting of connecting portion 220. Specifically, the insulating cover 20 of the present application is substantially a square cylinder, wherein the cover portion 210 is a hollow square cylinder with an opening at one end, the connecting portion 220 is a flanged structure connected to the edge of the opening, and the insulating cover 20 is welded and fixed to the boss 123 through the flanged structure, in this embodiment, the insulating cover 20 is fixed to the top surface of the boss 123, so that there is no gap between the side wall of the cover portion 210 of the insulating cover 20 and the outer wall of the boss 123, that is, there is no liquid remaining between the side wall of the cover portion 210 of the insulating cover 20 and the outer wall of the boss 123 due to a siphon phenomenon, which results in a situation where the detected temperature is not very accurate.

Referring to fig. 1 to 4 again, in order to further improve the temperature detection accuracy of the first temperature sensor 30, the heat conducting member 70 may be disposed in the boss 123, wherein the heat conducting member 70 is clamped between the first temperature sensor 30 and the inner wall of the boss 123, the heat conducting member 70 may be made of heat conducting silica gel or other materials, and the heat conducting member 70 is disposed to accurately transmit the temperature of the top surface of the boss 123 to the first temperature sensor 30, so that the temperature detection is more accurate.

In an embodiment, referring to fig. 7, the housing 110 is further formed with a water storage tank 110c, and the steam generator 10 further includes a water pump assembly 130 installed at the housing 110, wherein the water pump assembly 130 communicates the water storage tank 110c and the heating tank 110 b. The water pump assembly 130 comprises a pump body 131, a water inlet pipe 132 connected with a water inlet of the pump body 131, and a water outlet pipe 133 connected with a water outlet of the pump body 131, meanwhile, the shell 110 is provided with a water supply port 111 on the side wall of the heating tank 110b, a water suction port 112 is formed on the wall of the water storage tank 110c, the water inlet pipe 132 is connected with the water suction port 112, wherein the water suction port 112 is covered with a filter screen 80 (refer to fig. 9), the water outlet pipe 133 is connected with the water supply port 111, the pump body 131 is controlled by a control circuit board, when the control circuit board receives a signal triggered by the first temperature sensor 30, the pump body 131 can be controlled to operate to pump the water in the water storage tank 110c into the heating tank 110b, furthermore, the pipeline of the water pump assembly 130 can be provided with a flow meter, and the flow meter can enable the control circuit board to determine the pumped water amount in the automatic water replenishing process from the water pump assembly 130 into the heating tank 110b, and then control pump body 131 in good time the shutdown, so the complete machine operation is reliable, and in order to further promote the convenience of use, this application still is provided with level sensor 140 in aqua storage tank 110c, wherein level sensor 140's form can be structures such as hall switch, float, level sensor 140 is controlled by control circuit board, through level sensor 140's setting, can effectively monitor the water yield in the aqua storage tank 110c to under the circumstances of lack of water, timely moisturizing. Of course, in other embodiments, the water pump assembly 130 may not be provided, in this case, a prompting device may be further provided in the steam appliance, the prompting device may be a component such as a speaker and a warning light, and after the control circuit board receives the trigger signal of the first temperature sensor 30, the prompting device may be controlled to emit an audible and visual prompt, and the heating element may be controlled to stop operating until the water is manually added, and then the steam appliance is automatically or manually started.

Further, in order to prevent heat loss or prevent the risk of scalding during operation, in one embodiment, the water storage tank 110c is disposed around the heating tank 110 b. This application shell 110 comprises a bottom plate and the inboard bounding wall and the outside bounding wall that the interval set up on the bottom plate of protrusion, inject heating tank 110b in the inboard bounding wall, the outside bounding wall, bottom plate and inboard bounding wall inject aqua storage tank 110c, through setting up like this, can be in the operation in-process, heat in the heating tank 110b is absorbed by aqua storage tank 110c, produce the effect of preheating aqua storage tank 110c, and avoid the user direct contact to hotter heating tank 110b, avoid scalding.

Referring to fig. 10, in an embodiment, the steam generator 10 further includes a condensed water return plate 40, the condensed water return plate 40 is connected to the outer shell 110 and covers openings of the water storage tank 110c and the heating tank 110b of the outer shell 110, wherein the condensed water return plate 40 is provided with a steam outlet 410 communicating with the heating chamber 110 a. The condensed water return disk 40 and the shell 110 can be in a buckling connection or a screw connection, and the water storage tank 110c can be formed into a relatively closed space through the arrangement of the condensed water return disk 40, so that foreign matters are prevented from entering, and safety is ensured.

Further, in combination with the above, the steam appliance of the present application may be, for example, an electric steamer, a steam mop. The structure such as the hanging ironing machine, when being particularly suitable for the electric steamer, specifically, a handle can be arranged on the condensed water return tray 40 to facilitate carrying operation of the whole machine, the electric steamer can further comprise a steaming lattice 50, a pot cover 60, a cup and other parts, wherein the steaming lattice 50 can be erected above the condensed water return tray 40, the cup is arranged on the steaming lattice 50, the pot cover 60 covers the condensed water return tray 40, the condensed water return tray 40 comprises two parts respectively covering the water storage tank 110c and the heating tank 110b, and the steam outlet 410 is arranged on the part corresponding to the heating tank 110b, so that, in the using process, the heating tray 121 heats the water in the heating chamber 110a to generate steam, the steam can reach the space between the steaming lattice 50 and the condensed water return tray 40 through the steam outlet 410 of the condensed water return tray 40 to be uniformly diffused, and the steaming lattice 50 is uniformly provided with the steam outlet 51, the high-temperature steam heats the components such as the handleless cup on the steaming grid 50 after passing through the steam passing hole 51, and the scheme of the application, wherein the boss 123 is formed on the heating plate 121 and the isolating cover 20 is arranged, so that the continuity can be ensured in the steam generating process, the steam can not be interrupted in the steaming process, the steaming effect is good, and the taste of the prepared food is better.

The above description is only an alternative embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, which are within the spirit of the present invention, are included in the scope of the present invention.

Claims (13)

1. A steam appliance, comprising:

the steam generator is provided with a heating cavity;

the cage, install in steam generator is located in the heating chamber, be formed with water level monitoring chamber in the cage, the cage has seted up the intercommunication the heating chamber with the intercommunicating pore in water level monitoring chamber to and

and the first temperature sensor is arranged on the steam generator and used for monitoring the temperature in the water level monitoring cavity.

2. The steam appliance of claim 1, wherein the shield is mounted at the bottom of the heating cavity.

3. The steam appliance of claim 2, wherein the bottom of the heating cavity is formed with a boss extending inwardly of the heating cavity, the shield is covered over the boss, and the first temperature sensor is embedded and fixed in the boss.

4. A steam appliance according to claim 3, characterized in that the screening can covers the top surface of the boss.

5. The steam appliance of claim 1, wherein the communication holes include a first communication hole provided on a side wall of the insulation can and a second communication hole provided on a top wall of the insulation can.

6. The steam appliance of claim 5, wherein the first communication hole is elongated and extends upwardly from the bottom of the insulating enclosure.

7. The steam appliance of claim 5, wherein the second communication holes are distributed in a middle region of the top wall of the insulation cover.

8. The steam appliance of any one of claims 1 to 7, wherein the steam generator comprises a housing formed with a heating slot and a heat-generating tray assembly that covers the bottom of the heating slot to cooperate with the housing to form the heating cavity, the insulating cover being mounted on the heat-generating tray assembly.

9. The steam appliance according to claim 8, wherein the shielding case includes a case body and a connecting portion connected to an opening edge of the case body, the connecting portion is fixedly connected to the heat generating plate assembly, and the communication hole is opened in the case body.

10. The steam appliance of claim 8, wherein the housing further defines a water reservoir, and the steam generator further comprises a water pump assembly mounted to the housing, the water pump assembly communicating the water reservoir and the heating reservoir.

11. The steam appliance of claim 10, wherein the water storage tank is annularly disposed outside the heating tank.

12. The steam appliance of claim 10, wherein the steam generator further comprises a condensate trap connected to the housing and covering the openings of the water storage tank and the heating tank of the housing, wherein the condensate trap is opened with a steam outlet communicating with the heating chamber.

13. The steam appliance of claim 10, wherein a liquid level sensor is further disposed within the reservoir.

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